diff --git a/docs/app.min.js b/docs/app.min.js index 31f2027..6978982 100644 --- a/docs/app.min.js +++ b/docs/app.min.js @@ -1 +1 @@ -!function(e){function n(r){if(t[r])return t[r].exports;var o=t[r]={i:r,l:!1,exports:{}};return e[r].call(o.exports,o,o.exports,n),o.l=!0,o.exports}var t={};n.m=e,n.c=t,n.d=function(e,t,r){n.o(e,t)||Object.defineProperty(e,t,{configurable:!1,enumerable:!0,get:r})},n.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return n.d(t,"a",t),t},n.o=function(e,n){return Object.prototype.hasOwnProperty.call(e,n)},n.p="/",n(n.s=32)}([function(module,exports,__webpack_require__){"use strict";eval("\n\nif (Object({\"BUILD\":undefined}).NODE_ENV === 'production') {\n module.exports = __webpack_require__(33);\n} else {\n module.exports = __webpack_require__(34);\n}\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/react/index.js\n// module id = 0\n// module chunks = 0\n\n//# sourceURL=webpack:///./node_modules/react/index.js?")},function(module,exports,__webpack_require__){"use strict";eval("/*\nobject-assign\n(c) Sindre Sorhus\n@license MIT\n*/\n\n\n/* eslint-disable no-unused-vars */\nvar getOwnPropertySymbols = Object.getOwnPropertySymbols;\nvar hasOwnProperty = Object.prototype.hasOwnProperty;\nvar propIsEnumerable = Object.prototype.propertyIsEnumerable;\n\nfunction toObject(val) {\n\tif (val === null || val === undefined) {\n\t\tthrow new TypeError('Object.assign cannot be called with null or undefined');\n\t}\n\n\treturn Object(val);\n}\n\nfunction shouldUseNative() {\n\ttry {\n\t\tif (!Object.assign) {\n\t\t\treturn false;\n\t\t}\n\n\t\t// Detect buggy property enumeration order in older V8 versions.\n\n\t\t// https://bugs.chromium.org/p/v8/issues/detail?id=4118\n\t\tvar test1 = new String('abc'); // eslint-disable-line no-new-wrappers\n\t\ttest1[5] = 'de';\n\t\tif (Object.getOwnPropertyNames(test1)[0] === '5') {\n\t\t\treturn false;\n\t\t}\n\n\t\t// https://bugs.chromium.org/p/v8/issues/detail?id=3056\n\t\tvar test2 = {};\n\t\tfor (var i = 0; i < 10; i++) {\n\t\t\ttest2['_' + String.fromCharCode(i)] = i;\n\t\t}\n\t\tvar order2 = Object.getOwnPropertyNames(test2).map(function (n) {\n\t\t\treturn test2[n];\n\t\t});\n\t\tif (order2.join('') !== '0123456789') {\n\t\t\treturn false;\n\t\t}\n\n\t\t// https://bugs.chromium.org/p/v8/issues/detail?id=3056\n\t\tvar test3 = {};\n\t\t'abcdefghijklmnopqrst'.split('').forEach(function (letter) {\n\t\t\ttest3[letter] = letter;\n\t\t});\n\t\tif (Object.keys(Object.assign({}, test3)).join('') !==\n\t\t\t\t'abcdefghijklmnopqrst') {\n\t\t\treturn false;\n\t\t}\n\n\t\treturn true;\n\t} catch (err) {\n\t\t// We don't expect any of the above to throw, but better to be safe.\n\t\treturn false;\n\t}\n}\n\nmodule.exports = shouldUseNative() ? Object.assign : function (target, source) {\n\tvar from;\n\tvar to = toObject(target);\n\tvar symbols;\n\n\tfor (var s = 1; s < arguments.length; s++) {\n\t\tfrom = Object(arguments[s]);\n\n\t\tfor (var key in from) {\n\t\t\tif (hasOwnProperty.call(from, key)) {\n\t\t\t\tto[key] = from[key];\n\t\t\t}\n\t\t}\n\n\t\tif (getOwnPropertySymbols) {\n\t\t\tsymbols = getOwnPropertySymbols(from);\n\t\t\tfor (var i = 0; i < symbols.length; i++) {\n\t\t\t\tif (propIsEnumerable.call(from, symbols[i])) {\n\t\t\t\t\tto[symbols[i]] = from[symbols[i]];\n\t\t\t\t}\n\t\t\t}\n\t\t}\n\t}\n\n\treturn to;\n};\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/object-assign/index.js\n// module id = 1\n// module chunks = 0\n\n//# sourceURL=webpack:///./node_modules/object-assign/index.js?")},function(module,exports,__webpack_require__){"use strict";eval("\n\n/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n *\n * \n */\n\nfunction makeEmptyFunction(arg) {\n return function () {\n return arg;\n };\n}\n\n/**\n * This function accepts and discards inputs; it has no side effects. This is\n * primarily useful idiomatically for overridable function endpoints which\n * always need to be callable, since JS lacks a null-call idiom ala Cocoa.\n */\nvar emptyFunction = function emptyFunction() {};\n\nemptyFunction.thatReturns = makeEmptyFunction;\nemptyFunction.thatReturnsFalse = makeEmptyFunction(false);\nemptyFunction.thatReturnsTrue = makeEmptyFunction(true);\nemptyFunction.thatReturnsNull = makeEmptyFunction(null);\nemptyFunction.thatReturnsThis = function () {\n return this;\n};\nemptyFunction.thatReturnsArgument = function (arg) {\n return arg;\n};\n\nmodule.exports = emptyFunction;\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/react-dom/node_modules/fbjs/lib/emptyFunction.js\n// module id = 2\n// module chunks = 0\n\n//# sourceURL=webpack:///./node_modules/react-dom/node_modules/fbjs/lib/emptyFunction.js?")},function(module,exports,__webpack_require__){"use strict";eval("/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n *\n */\n\n\n\n/**\n * Use invariant() to assert state which your program assumes to be true.\n *\n * Provide sprintf-style format (only %s is supported) and arguments\n * to provide information about what broke and what you were\n * expecting.\n *\n * The invariant message will be stripped in production, but the invariant\n * will remain to ensure logic does not differ in production.\n */\n\nvar validateFormat = function validateFormat(format) {};\n\nif (Object({\"BUILD\":undefined}).NODE_ENV !== 'production') {\n validateFormat = function validateFormat(format) {\n if (format === undefined) {\n throw new Error('invariant requires an error message argument');\n }\n };\n}\n\nfunction invariant(condition, format, a, b, c, d, e, f) {\n validateFormat(format);\n\n if (!condition) {\n var error;\n if (format === undefined) {\n error = new Error('Minified exception occurred; use the non-minified dev environment ' + 'for the full error message and additional helpful warnings.');\n } else {\n var args = [a, b, c, d, e, f];\n var argIndex = 0;\n error = new Error(format.replace(/%s/g, function () {\n return args[argIndex++];\n }));\n error.name = 'Invariant Violation';\n }\n\n error.framesToPop = 1; // we don't care about invariant's own frame\n throw error;\n }\n}\n\nmodule.exports = invariant;\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/react-dom/node_modules/fbjs/lib/invariant.js\n// module id = 3\n// module chunks = 0\n\n//# sourceURL=webpack:///./node_modules/react-dom/node_modules/fbjs/lib/invariant.js?")},function(module,exports){eval('/*\n\tMIT License http://www.opensource.org/licenses/mit-license.php\n\tAuthor Tobias Koppers @sokra\n*/\n// css base code, injected by the css-loader\nmodule.exports = function(useSourceMap) {\n\tvar list = [];\n\n\t// return the list of modules as css string\n\tlist.toString = function toString() {\n\t\treturn this.map(function (item) {\n\t\t\tvar content = cssWithMappingToString(item, useSourceMap);\n\t\t\tif(item[2]) {\n\t\t\t\treturn "@media " + item[2] + "{" + content + "}";\n\t\t\t} else {\n\t\t\t\treturn content;\n\t\t\t}\n\t\t}).join("");\n\t};\n\n\t// import a list of modules into the list\n\tlist.i = function(modules, mediaQuery) {\n\t\tif(typeof modules === "string")\n\t\t\tmodules = [[null, modules, ""]];\n\t\tvar alreadyImportedModules = {};\n\t\tfor(var i = 0; i < this.length; i++) {\n\t\t\tvar id = this[i][0];\n\t\t\tif(typeof id === "number")\n\t\t\t\talreadyImportedModules[id] = true;\n\t\t}\n\t\tfor(i = 0; i < modules.length; i++) {\n\t\t\tvar item = modules[i];\n\t\t\t// skip already imported module\n\t\t\t// this implementation is not 100% perfect for weird media query combinations\n\t\t\t// when a module is imported multiple times with different media queries.\n\t\t\t// I hope this will never occur (Hey this way we have smaller bundles)\n\t\t\tif(typeof item[0] !== "number" || !alreadyImportedModules[item[0]]) {\n\t\t\t\tif(mediaQuery && !item[2]) {\n\t\t\t\t\titem[2] = mediaQuery;\n\t\t\t\t} else if(mediaQuery) {\n\t\t\t\t\titem[2] = "(" + item[2] + ") and (" + mediaQuery + ")";\n\t\t\t\t}\n\t\t\t\tlist.push(item);\n\t\t\t}\n\t\t}\n\t};\n\treturn list;\n};\n\nfunction cssWithMappingToString(item, useSourceMap) {\n\tvar content = item[1] || \'\';\n\tvar cssMapping = item[3];\n\tif (!cssMapping) {\n\t\treturn content;\n\t}\n\n\tif (useSourceMap && typeof btoa === \'function\') {\n\t\tvar sourceMapping = toComment(cssMapping);\n\t\tvar sourceURLs = cssMapping.sources.map(function (source) {\n\t\t\treturn \'/*# sourceURL=\' + cssMapping.sourceRoot + source + \' */\'\n\t\t});\n\n\t\treturn [content].concat(sourceURLs).concat([sourceMapping]).join(\'\\n\');\n\t}\n\n\treturn [content].join(\'\\n\');\n}\n\n// Adapted from convert-source-map (MIT)\nfunction toComment(sourceMap) {\n\t// eslint-disable-next-line no-undef\n\tvar base64 = btoa(unescape(encodeURIComponent(JSON.stringify(sourceMap))));\n\tvar data = \'sourceMappingURL=data:application/json;charset=utf-8;base64,\' + base64;\n\n\treturn \'/*# \' + data + \' */\';\n}\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/css-loader/lib/css-base.js\n// module id = 4\n// module chunks = 0\n\n//# sourceURL=webpack:///./node_modules/css-loader/lib/css-base.js?')},function(module,exports,__webpack_require__){"use strict";eval("/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n *\n */\n\n\n\n/**\n * Use invariant() to assert state which your program assumes to be true.\n *\n * Provide sprintf-style format (only %s is supported) and arguments\n * to provide information about what broke and what you were\n * expecting.\n *\n * The invariant message will be stripped in production, but the invariant\n * will remain to ensure logic does not differ in production.\n */\n\nvar validateFormat = function validateFormat(format) {};\n\nif (Object({\"BUILD\":undefined}).NODE_ENV !== 'production') {\n validateFormat = function validateFormat(format) {\n if (format === undefined) {\n throw new Error('invariant requires an error message argument');\n }\n };\n}\n\nfunction invariant(condition, format, a, b, c, d, e, f) {\n validateFormat(format);\n\n if (!condition) {\n var error;\n if (format === undefined) {\n error = new Error('Minified exception occurred; use the non-minified dev environment ' + 'for the full error message and additional helpful warnings.');\n } else {\n var args = [a, b, c, d, e, f];\n var argIndex = 0;\n error = new Error(format.replace(/%s/g, function () {\n return args[argIndex++];\n }));\n error.name = 'Invariant Violation';\n }\n\n error.framesToPop = 1; // we don't care about invariant's own frame\n throw error;\n }\n}\n\nmodule.exports = invariant;\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/react/node_modules/fbjs/lib/invariant.js\n// module id = 5\n// module chunks = 0\n\n//# sourceURL=webpack:///./node_modules/react/node_modules/fbjs/lib/invariant.js?")},function(module,exports,__webpack_require__){"use strict";eval("\n\n/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n *\n * \n */\n\nfunction makeEmptyFunction(arg) {\n return function () {\n return arg;\n };\n}\n\n/**\n * This function accepts and discards inputs; it has no side effects. This is\n * primarily useful idiomatically for overridable function endpoints which\n * always need to be callable, since JS lacks a null-call idiom ala Cocoa.\n */\nvar emptyFunction = function emptyFunction() {};\n\nemptyFunction.thatReturns = makeEmptyFunction;\nemptyFunction.thatReturnsFalse = makeEmptyFunction(false);\nemptyFunction.thatReturnsTrue = makeEmptyFunction(true);\nemptyFunction.thatReturnsNull = makeEmptyFunction(null);\nemptyFunction.thatReturnsThis = function () {\n return this;\n};\nemptyFunction.thatReturnsArgument = function (arg) {\n return arg;\n};\n\nmodule.exports = emptyFunction;\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/react/node_modules/fbjs/lib/emptyFunction.js\n// module id = 6\n// module chunks = 0\n\n//# sourceURL=webpack:///./node_modules/react/node_modules/fbjs/lib/emptyFunction.js?")},function(module,exports,__webpack_require__){"use strict";eval("/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n *\n */\n\n\n\nvar canUseDOM = !!(typeof window !== 'undefined' && window.document && window.document.createElement);\n\n/**\n * Simple, lightweight module assisting with the detection and context of\n * Worker. Helps avoid circular dependencies and allows code to reason about\n * whether or not they are in a Worker, even if they never include the main\n * `ReactWorker` dependency.\n */\nvar ExecutionEnvironment = {\n\n canUseDOM: canUseDOM,\n\n canUseWorkers: typeof Worker !== 'undefined',\n\n canUseEventListeners: canUseDOM && !!(window.addEventListener || window.attachEvent),\n\n canUseViewport: canUseDOM && !!window.screen,\n\n isInWorker: !canUseDOM // For now, this is true - might change in the future.\n\n};\n\nmodule.exports = ExecutionEnvironment;\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/react-dom/node_modules/fbjs/lib/ExecutionEnvironment.js\n// module id = 7\n// module chunks = 0\n\n//# sourceURL=webpack:///./node_modules/react-dom/node_modules/fbjs/lib/ExecutionEnvironment.js?")},function(module,exports,__webpack_require__){"use strict";eval("/**\n * Copyright (c) 2014-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n *\n */\n\n\n\nvar emptyFunction = __webpack_require__(2);\n\n/**\n * Similar to invariant but only logs a warning if the condition is not met.\n * This can be used to log issues in development environments in critical\n * paths. Removing the logging code for production environments will keep the\n * same logic and follow the same code paths.\n */\n\nvar warning = emptyFunction;\n\nif (Object({\"BUILD\":undefined}).NODE_ENV !== 'production') {\n var printWarning = function printWarning(format) {\n for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {\n args[_key - 1] = arguments[_key];\n }\n\n var argIndex = 0;\n var message = 'Warning: ' + format.replace(/%s/g, function () {\n return args[argIndex++];\n });\n if (typeof console !== 'undefined') {\n console.error(message);\n }\n try {\n // --- Welcome to debugging React ---\n // This error was thrown as a convenience so that you can use this stack\n // to find the callsite that caused this warning to fire.\n throw new Error(message);\n } catch (x) {}\n };\n\n warning = function warning(condition, format) {\n if (format === undefined) {\n throw new Error('`warning(condition, format, ...args)` requires a warning ' + 'message argument');\n }\n\n if (format.indexOf('Failed Composite propType: ') === 0) {\n return; // Ignore CompositeComponent proptype check.\n }\n\n if (!condition) {\n for (var _len2 = arguments.length, args = Array(_len2 > 2 ? _len2 - 2 : 0), _key2 = 2; _key2 < _len2; _key2++) {\n args[_key2 - 2] = arguments[_key2];\n }\n\n printWarning.apply(undefined, [format].concat(args));\n }\n };\n}\n\nmodule.exports = warning;\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/react-dom/node_modules/fbjs/lib/warning.js\n// module id = 8\n// module chunks = 0\n\n//# sourceURL=webpack:///./node_modules/react-dom/node_modules/fbjs/lib/warning.js?")},function(module,exports,__webpack_require__){"use strict";eval("/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n */\n\n\n\nvar ReactPropTypesSecret = 'SECRET_DO_NOT_PASS_THIS_OR_YOU_WILL_BE_FIRED';\n\nmodule.exports = ReactPropTypesSecret;\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/react-dom/node_modules/prop-types/lib/ReactPropTypesSecret.js\n// module id = 9\n// module chunks = 0\n\n//# sourceURL=webpack:///./node_modules/react-dom/node_modules/prop-types/lib/ReactPropTypesSecret.js?")},function(module,__webpack_exports__,__webpack_require__){"use strict";eval("Object.defineProperty(__webpack_exports__, \"__esModule\", { value: true });\n\n// EXTERNAL MODULE: ./node_modules/react/index.js\nvar react = __webpack_require__(0);\nvar react_default = /*#__PURE__*/__webpack_require__.n(react);\n\n// EXTERNAL MODULE: ./node_modules/prop-types/index.js\nvar prop_types = __webpack_require__(28);\nvar prop_types_default = /*#__PURE__*/__webpack_require__.n(prop_types);\n\n// CONCATENATED MODULE: ./node_modules/react-redux/es/utils/PropTypes.js\n\n\nvar subscriptionShape = prop_types_default.a.shape({\n trySubscribe: prop_types_default.a.func.isRequired,\n tryUnsubscribe: prop_types_default.a.func.isRequired,\n notifyNestedSubs: prop_types_default.a.func.isRequired,\n isSubscribed: prop_types_default.a.func.isRequired\n});\n\nvar storeShape = prop_types_default.a.shape({\n subscribe: prop_types_default.a.func.isRequired,\n dispatch: prop_types_default.a.func.isRequired,\n getState: prop_types_default.a.func.isRequired\n});\n// CONCATENATED MODULE: ./node_modules/react-redux/es/utils/warning.js\n/**\n * Prints a warning in the console if it exists.\n *\n * @param {String} message The warning message.\n * @returns {void}\n */\nfunction warning(message) {\n /* eslint-disable no-console */\n if (typeof console !== 'undefined' && typeof console.error === 'function') {\n console.error(message);\n }\n /* eslint-enable no-console */\n try {\n // This error was thrown as a convenience so that if you enable\n // \"break on all exceptions\" in your console,\n // it would pause the execution at this line.\n throw new Error(message);\n /* eslint-disable no-empty */\n } catch (e) {}\n /* eslint-enable no-empty */\n}\n// CONCATENATED MODULE: ./node_modules/react-redux/es/components/Provider.js\nfunction _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction _inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\n\n\n\n\n\nvar didWarnAboutReceivingStore = false;\nfunction warnAboutReceivingStore() {\n if (didWarnAboutReceivingStore) {\n return;\n }\n didWarnAboutReceivingStore = true;\n\n warning(' does not support changing `store` on the fly. ' + 'It is most likely that you see this error because you updated to ' + 'Redux 2.x and React Redux 2.x which no longer hot reload reducers ' + 'automatically. See https://github.com/reactjs/react-redux/releases/' + 'tag/v2.0.0 for the migration instructions.');\n}\n\nfunction createProvider() {\n var _Provider$childContex;\n\n var storeKey = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 'store';\n var subKey = arguments[1];\n\n var subscriptionKey = subKey || storeKey + 'Subscription';\n\n var Provider = function (_Component) {\n _inherits(Provider, _Component);\n\n Provider.prototype.getChildContext = function getChildContext() {\n var _ref;\n\n return _ref = {}, _ref[storeKey] = this[storeKey], _ref[subscriptionKey] = null, _ref;\n };\n\n function Provider(props, context) {\n _classCallCheck(this, Provider);\n\n var _this = _possibleConstructorReturn(this, _Component.call(this, props, context));\n\n _this[storeKey] = props.store;\n return _this;\n }\n\n Provider.prototype.render = function render() {\n return react[\"Children\"].only(this.props.children);\n };\n\n return Provider;\n }(react[\"Component\"]);\n\n if (Object({\"BUILD\":undefined}).NODE_ENV !== 'production') {\n Provider.prototype.componentWillReceiveProps = function (nextProps) {\n if (this[storeKey] !== nextProps.store) {\n warnAboutReceivingStore();\n }\n };\n }\n\n Provider.propTypes = {\n store: storeShape.isRequired,\n children: prop_types_default.a.element.isRequired\n };\n Provider.childContextTypes = (_Provider$childContex = {}, _Provider$childContex[storeKey] = storeShape.isRequired, _Provider$childContex[subscriptionKey] = subscriptionShape, _Provider$childContex);\n\n return Provider;\n}\n\n/* harmony default export */ var components_Provider = (createProvider());\n// EXTERNAL MODULE: ./node_modules/hoist-non-react-statics/index.js\nvar hoist_non_react_statics = __webpack_require__(54);\nvar hoist_non_react_statics_default = /*#__PURE__*/__webpack_require__.n(hoist_non_react_statics);\n\n// EXTERNAL MODULE: ./node_modules/invariant/browser.js\nvar browser = __webpack_require__(55);\nvar browser_default = /*#__PURE__*/__webpack_require__.n(browser);\n\n// CONCATENATED MODULE: ./node_modules/react-redux/es/utils/Subscription.js\nfunction Subscription__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\n// encapsulates the subscription logic for connecting a component to the redux store, as\n// well as nesting subscriptions of descendant components, so that we can ensure the\n// ancestor components re-render before descendants\n\nvar CLEARED = null;\nvar nullListeners = {\n notify: function notify() {}\n};\n\nfunction createListenerCollection() {\n // the current/next pattern is copied from redux's createStore code.\n // TODO: refactor+expose that code to be reusable here?\n var current = [];\n var next = [];\n\n return {\n clear: function clear() {\n next = CLEARED;\n current = CLEARED;\n },\n notify: function notify() {\n var listeners = current = next;\n for (var i = 0; i < listeners.length; i++) {\n listeners[i]();\n }\n },\n get: function get() {\n return next;\n },\n subscribe: function subscribe(listener) {\n var isSubscribed = true;\n if (next === current) next = current.slice();\n next.push(listener);\n\n return function unsubscribe() {\n if (!isSubscribed || current === CLEARED) return;\n isSubscribed = false;\n\n if (next === current) next = current.slice();\n next.splice(next.indexOf(listener), 1);\n };\n }\n };\n}\n\nvar Subscription = function () {\n function Subscription(store, parentSub, onStateChange) {\n Subscription__classCallCheck(this, Subscription);\n\n this.store = store;\n this.parentSub = parentSub;\n this.onStateChange = onStateChange;\n this.unsubscribe = null;\n this.listeners = nullListeners;\n }\n\n Subscription.prototype.addNestedSub = function addNestedSub(listener) {\n this.trySubscribe();\n return this.listeners.subscribe(listener);\n };\n\n Subscription.prototype.notifyNestedSubs = function notifyNestedSubs() {\n this.listeners.notify();\n };\n\n Subscription.prototype.isSubscribed = function isSubscribed() {\n return Boolean(this.unsubscribe);\n };\n\n Subscription.prototype.trySubscribe = function trySubscribe() {\n if (!this.unsubscribe) {\n this.unsubscribe = this.parentSub ? this.parentSub.addNestedSub(this.onStateChange) : this.store.subscribe(this.onStateChange);\n\n this.listeners = createListenerCollection();\n }\n };\n\n Subscription.prototype.tryUnsubscribe = function tryUnsubscribe() {\n if (this.unsubscribe) {\n this.unsubscribe();\n this.unsubscribe = null;\n this.listeners.clear();\n this.listeners = nullListeners;\n }\n };\n\n return Subscription;\n}();\n\n\n// CONCATENATED MODULE: ./node_modules/react-redux/es/components/connectAdvanced.js\nvar _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };\n\nfunction connectAdvanced__classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError(\"Cannot call a class as a function\"); } }\n\nfunction connectAdvanced__possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError(\"this hasn't been initialised - super() hasn't been called\"); } return call && (typeof call === \"object\" || typeof call === \"function\") ? call : self; }\n\nfunction connectAdvanced__inherits(subClass, superClass) { if (typeof superClass !== \"function\" && superClass !== null) { throw new TypeError(\"Super expression must either be null or a function, not \" + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }\n\nfunction _objectWithoutProperties(obj, keys) { var target = {}; for (var i in obj) { if (keys.indexOf(i) >= 0) continue; if (!Object.prototype.hasOwnProperty.call(obj, i)) continue; target[i] = obj[i]; } return target; }\n\n\n\n\n\n\n\n\nvar hotReloadingVersion = 0;\nvar dummyState = {};\nfunction noop() {}\nfunction makeSelectorStateful(sourceSelector, store) {\n // wrap the selector in an object that tracks its results between runs.\n var selector = {\n run: function runComponentSelector(props) {\n try {\n var nextProps = sourceSelector(store.getState(), props);\n if (nextProps !== selector.props || selector.error) {\n selector.shouldComponentUpdate = true;\n selector.props = nextProps;\n selector.error = null;\n }\n } catch (error) {\n selector.shouldComponentUpdate = true;\n selector.error = error;\n }\n }\n };\n\n return selector;\n}\n\nfunction connectAdvanced(\n/*\n selectorFactory is a func that is responsible for returning the selector function used to\n compute new props from state, props, and dispatch. For example:\n export default connectAdvanced((dispatch, options) => (state, props) => ({\n thing: state.things[props.thingId],\n saveThing: fields => dispatch(actionCreators.saveThing(props.thingId, fields)),\n }))(YourComponent)\n Access to dispatch is provided to the factory so selectorFactories can bind actionCreators\n outside of their selector as an optimization. Options passed to connectAdvanced are passed to\n the selectorFactory, along with displayName and WrappedComponent, as the second argument.\n Note that selectorFactory is responsible for all caching/memoization of inbound and outbound\n props. Do not use connectAdvanced directly without memoizing results between calls to your\n selector, otherwise the Connect component will re-render on every state or props change.\n*/\nselectorFactory) {\n var _contextTypes, _childContextTypes;\n\n var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},\n _ref$getDisplayName = _ref.getDisplayName,\n getDisplayName = _ref$getDisplayName === undefined ? function (name) {\n return 'ConnectAdvanced(' + name + ')';\n } : _ref$getDisplayName,\n _ref$methodName = _ref.methodName,\n methodName = _ref$methodName === undefined ? 'connectAdvanced' : _ref$methodName,\n _ref$renderCountProp = _ref.renderCountProp,\n renderCountProp = _ref$renderCountProp === undefined ? undefined : _ref$renderCountProp,\n _ref$shouldHandleStat = _ref.shouldHandleStateChanges,\n shouldHandleStateChanges = _ref$shouldHandleStat === undefined ? true : _ref$shouldHandleStat,\n _ref$storeKey = _ref.storeKey,\n storeKey = _ref$storeKey === undefined ? 'store' : _ref$storeKey,\n _ref$withRef = _ref.withRef,\n withRef = _ref$withRef === undefined ? false : _ref$withRef,\n connectOptions = _objectWithoutProperties(_ref, ['getDisplayName', 'methodName', 'renderCountProp', 'shouldHandleStateChanges', 'storeKey', 'withRef']);\n\n var subscriptionKey = storeKey + 'Subscription';\n var version = hotReloadingVersion++;\n\n var contextTypes = (_contextTypes = {}, _contextTypes[storeKey] = storeShape, _contextTypes[subscriptionKey] = subscriptionShape, _contextTypes);\n var childContextTypes = (_childContextTypes = {}, _childContextTypes[subscriptionKey] = subscriptionShape, _childContextTypes);\n\n return function wrapWithConnect(WrappedComponent) {\n browser_default()(typeof WrappedComponent == 'function', 'You must pass a component to the function returned by ' + ('connect. Instead received ' + JSON.stringify(WrappedComponent)));\n\n var wrappedComponentName = WrappedComponent.displayName || WrappedComponent.name || 'Component';\n\n var displayName = getDisplayName(wrappedComponentName);\n\n var selectorFactoryOptions = _extends({}, connectOptions, {\n getDisplayName: getDisplayName,\n methodName: methodName,\n renderCountProp: renderCountProp,\n shouldHandleStateChanges: shouldHandleStateChanges,\n storeKey: storeKey,\n withRef: withRef,\n displayName: displayName,\n wrappedComponentName: wrappedComponentName,\n WrappedComponent: WrappedComponent\n });\n\n var Connect = function (_Component) {\n connectAdvanced__inherits(Connect, _Component);\n\n function Connect(props, context) {\n connectAdvanced__classCallCheck(this, Connect);\n\n var _this = connectAdvanced__possibleConstructorReturn(this, _Component.call(this, props, context));\n\n _this.version = version;\n _this.state = {};\n _this.renderCount = 0;\n _this.store = props[storeKey] || context[storeKey];\n _this.propsMode = Boolean(props[storeKey]);\n _this.setWrappedInstance = _this.setWrappedInstance.bind(_this);\n\n browser_default()(_this.store, 'Could not find \"' + storeKey + '\" in either the context or props of ' + ('\"' + displayName + '\". Either wrap the root component in a , ') + ('or explicitly pass \"' + storeKey + '\" as a prop to \"' + displayName + '\".'));\n\n _this.initSelector();\n _this.initSubscription();\n return _this;\n }\n\n Connect.prototype.getChildContext = function getChildContext() {\n var _ref2;\n\n // If this component received store from props, its subscription should be transparent\n // to any descendants receiving store+subscription from context; it passes along\n // subscription passed to it. Otherwise, it shadows the parent subscription, which allows\n // Connect to control ordering of notifications to flow top-down.\n var subscription = this.propsMode ? null : this.subscription;\n return _ref2 = {}, _ref2[subscriptionKey] = subscription || this.context[subscriptionKey], _ref2;\n };\n\n Connect.prototype.componentDidMount = function componentDidMount() {\n if (!shouldHandleStateChanges) return;\n\n // componentWillMount fires during server side rendering, but componentDidMount and\n // componentWillUnmount do not. Because of this, trySubscribe happens during ...didMount.\n // Otherwise, unsubscription would never take place during SSR, causing a memory leak.\n // To handle the case where a child component may have triggered a state change by\n // dispatching an action in its componentWillMount, we have to re-run the select and maybe\n // re-render.\n this.subscription.trySubscribe();\n this.selector.run(this.props);\n if (this.selector.shouldComponentUpdate) this.forceUpdate();\n };\n\n Connect.prototype.componentWillReceiveProps = function componentWillReceiveProps(nextProps) {\n this.selector.run(nextProps);\n };\n\n Connect.prototype.shouldComponentUpdate = function shouldComponentUpdate() {\n return this.selector.shouldComponentUpdate;\n };\n\n Connect.prototype.componentWillUnmount = function componentWillUnmount() {\n if (this.subscription) this.subscription.tryUnsubscribe();\n this.subscription = null;\n this.notifyNestedSubs = noop;\n this.store = null;\n this.selector.run = noop;\n this.selector.shouldComponentUpdate = false;\n };\n\n Connect.prototype.getWrappedInstance = function getWrappedInstance() {\n browser_default()(withRef, 'To access the wrapped instance, you need to specify ' + ('{ withRef: true } in the options argument of the ' + methodName + '() call.'));\n return this.wrappedInstance;\n };\n\n Connect.prototype.setWrappedInstance = function setWrappedInstance(ref) {\n this.wrappedInstance = ref;\n };\n\n Connect.prototype.initSelector = function initSelector() {\n var sourceSelector = selectorFactory(this.store.dispatch, selectorFactoryOptions);\n this.selector = makeSelectorStateful(sourceSelector, this.store);\n this.selector.run(this.props);\n };\n\n Connect.prototype.initSubscription = function initSubscription() {\n if (!shouldHandleStateChanges) return;\n\n // parentSub's source should match where store came from: props vs. context. A component\n // connected to the store via props shouldn't use subscription from context, or vice versa.\n var parentSub = (this.propsMode ? this.props : this.context)[subscriptionKey];\n this.subscription = new Subscription(this.store, parentSub, this.onStateChange.bind(this));\n\n // `notifyNestedSubs` is duplicated to handle the case where the component is unmounted in\n // the middle of the notification loop, where `this.subscription` will then be null. An\n // extra null check every change can be avoided by copying the method onto `this` and then\n // replacing it with a no-op on unmount. This can probably be avoided if Subscription's\n // listeners logic is changed to not call listeners that have been unsubscribed in the\n // middle of the notification loop.\n this.notifyNestedSubs = this.subscription.notifyNestedSubs.bind(this.subscription);\n };\n\n Connect.prototype.onStateChange = function onStateChange() {\n this.selector.run(this.props);\n\n if (!this.selector.shouldComponentUpdate) {\n this.notifyNestedSubs();\n } else {\n this.componentDidUpdate = this.notifyNestedSubsOnComponentDidUpdate;\n this.setState(dummyState);\n }\n };\n\n Connect.prototype.notifyNestedSubsOnComponentDidUpdate = function notifyNestedSubsOnComponentDidUpdate() {\n // `componentDidUpdate` is conditionally implemented when `onStateChange` determines it\n // needs to notify nested subs. Once called, it unimplements itself until further state\n // changes occur. Doing it this way vs having a permanent `componentDidUpdate` that does\n // a boolean check every time avoids an extra method call most of the time, resulting\n // in some perf boost.\n this.componentDidUpdate = undefined;\n this.notifyNestedSubs();\n };\n\n Connect.prototype.isSubscribed = function isSubscribed() {\n return Boolean(this.subscription) && this.subscription.isSubscribed();\n };\n\n Connect.prototype.addExtraProps = function addExtraProps(props) {\n if (!withRef && !renderCountProp && !(this.propsMode && this.subscription)) return props;\n // make a shallow copy so that fields added don't leak to the original selector.\n // this is especially important for 'ref' since that's a reference back to the component\n // instance. a singleton memoized selector would then be holding a reference to the\n // instance, preventing the instance from being garbage collected, and that would be bad\n var withExtras = _extends({}, props);\n if (withRef) withExtras.ref = this.setWrappedInstance;\n if (renderCountProp) withExtras[renderCountProp] = this.renderCount++;\n if (this.propsMode && this.subscription) withExtras[subscriptionKey] = this.subscription;\n return withExtras;\n };\n\n Connect.prototype.render = function render() {\n var selector = this.selector;\n selector.shouldComponentUpdate = false;\n\n if (selector.error) {\n throw selector.error;\n } else {\n return Object(react[\"createElement\"])(WrappedComponent, this.addExtraProps(selector.props));\n }\n };\n\n return Connect;\n }(react[\"Component\"]);\n\n Connect.WrappedComponent = WrappedComponent;\n Connect.displayName = displayName;\n Connect.childContextTypes = childContextTypes;\n Connect.contextTypes = contextTypes;\n Connect.propTypes = contextTypes;\n\n if (Object({\"BUILD\":undefined}).NODE_ENV !== 'production') {\n Connect.prototype.componentWillUpdate = function componentWillUpdate() {\n var _this2 = this;\n\n // We are hot reloading!\n if (this.version !== version) {\n this.version = version;\n this.initSelector();\n\n // If any connected descendants don't hot reload (and resubscribe in the process), their\n // listeners will be lost when we unsubscribe. Unfortunately, by copying over all\n // listeners, this does mean that the old versions of connected descendants will still be\n // notified of state changes; however, their onStateChange function is a no-op so this\n // isn't a huge deal.\n var oldListeners = [];\n\n if (this.subscription) {\n oldListeners = this.subscription.listeners.get();\n this.subscription.tryUnsubscribe();\n }\n this.initSubscription();\n if (shouldHandleStateChanges) {\n this.subscription.trySubscribe();\n oldListeners.forEach(function (listener) {\n return _this2.subscription.listeners.subscribe(listener);\n });\n }\n }\n };\n }\n\n return hoist_non_react_statics_default()(Connect, WrappedComponent);\n };\n}\n// CONCATENATED MODULE: ./node_modules/react-redux/es/utils/shallowEqual.js\nvar hasOwn = Object.prototype.hasOwnProperty;\n\nfunction is(x, y) {\n if (x === y) {\n return x !== 0 || y !== 0 || 1 / x === 1 / y;\n } else {\n return x !== x && y !== y;\n }\n}\n\nfunction shallowEqual(objA, objB) {\n if (is(objA, objB)) return true;\n\n if (typeof objA !== 'object' || objA === null || typeof objB !== 'object' || objB === null) {\n return false;\n }\n\n var keysA = Object.keys(objA);\n var keysB = Object.keys(objB);\n\n if (keysA.length !== keysB.length) return false;\n\n for (var i = 0; i < keysA.length; i++) {\n if (!hasOwn.call(objB, keysA[i]) || !is(objA[keysA[i]], objB[keysA[i]])) {\n return false;\n }\n }\n\n return true;\n}\n// EXTERNAL MODULE: ./node_modules/redux/es/index.js + 6 modules\nvar es = __webpack_require__(30);\n\n// EXTERNAL MODULE: ./node_modules/lodash-es/isPlainObject.js + 8 modules\nvar isPlainObject = __webpack_require__(14);\n\n// CONCATENATED MODULE: ./node_modules/react-redux/es/utils/verifyPlainObject.js\n\n\n\nfunction verifyPlainObject(value, displayName, methodName) {\n if (!Object(isPlainObject[\"a\" /* default */])(value)) {\n warning(methodName + '() in ' + displayName + ' must return a plain object. Instead received ' + value + '.');\n }\n}\n// CONCATENATED MODULE: ./node_modules/react-redux/es/connect/wrapMapToProps.js\n\n\nfunction wrapMapToPropsConstant(getConstant) {\n return function initConstantSelector(dispatch, options) {\n var constant = getConstant(dispatch, options);\n\n function constantSelector() {\n return constant;\n }\n constantSelector.dependsOnOwnProps = false;\n return constantSelector;\n };\n}\n\n// dependsOnOwnProps is used by createMapToPropsProxy to determine whether to pass props as args\n// to the mapToProps function being wrapped. It is also used by makePurePropsSelector to determine\n// whether mapToProps needs to be invoked when props have changed.\n// \n// A length of one signals that mapToProps does not depend on props from the parent component.\n// A length of zero is assumed to mean mapToProps is getting args via arguments or ...args and\n// therefore not reporting its length accurately..\nfunction getDependsOnOwnProps(mapToProps) {\n return mapToProps.dependsOnOwnProps !== null && mapToProps.dependsOnOwnProps !== undefined ? Boolean(mapToProps.dependsOnOwnProps) : mapToProps.length !== 1;\n}\n\n// Used by whenMapStateToPropsIsFunction and whenMapDispatchToPropsIsFunction,\n// this function wraps mapToProps in a proxy function which does several things:\n// \n// * Detects whether the mapToProps function being called depends on props, which\n// is used by selectorFactory to decide if it should reinvoke on props changes.\n// \n// * On first call, handles mapToProps if returns another function, and treats that\n// new function as the true mapToProps for subsequent calls.\n// \n// * On first call, verifies the first result is a plain object, in order to warn\n// the developer that their mapToProps function is not returning a valid result.\n// \nfunction wrapMapToPropsFunc(mapToProps, methodName) {\n return function initProxySelector(dispatch, _ref) {\n var displayName = _ref.displayName;\n\n var proxy = function mapToPropsProxy(stateOrDispatch, ownProps) {\n return proxy.dependsOnOwnProps ? proxy.mapToProps(stateOrDispatch, ownProps) : proxy.mapToProps(stateOrDispatch);\n };\n\n // allow detectFactoryAndVerify to get ownProps\n proxy.dependsOnOwnProps = true;\n\n proxy.mapToProps = function detectFactoryAndVerify(stateOrDispatch, ownProps) {\n proxy.mapToProps = mapToProps;\n proxy.dependsOnOwnProps = getDependsOnOwnProps(mapToProps);\n var props = proxy(stateOrDispatch, ownProps);\n\n if (typeof props === 'function') {\n proxy.mapToProps = props;\n proxy.dependsOnOwnProps = getDependsOnOwnProps(props);\n props = proxy(stateOrDispatch, ownProps);\n }\n\n if (Object({\"BUILD\":undefined}).NODE_ENV !== 'production') verifyPlainObject(props, displayName, methodName);\n\n return props;\n };\n\n return proxy;\n };\n}\n// CONCATENATED MODULE: ./node_modules/react-redux/es/connect/mapDispatchToProps.js\n\n\n\nfunction whenMapDispatchToPropsIsFunction(mapDispatchToProps) {\n return typeof mapDispatchToProps === 'function' ? wrapMapToPropsFunc(mapDispatchToProps, 'mapDispatchToProps') : undefined;\n}\n\nfunction whenMapDispatchToPropsIsMissing(mapDispatchToProps) {\n return !mapDispatchToProps ? wrapMapToPropsConstant(function (dispatch) {\n return { dispatch: dispatch };\n }) : undefined;\n}\n\nfunction whenMapDispatchToPropsIsObject(mapDispatchToProps) {\n return mapDispatchToProps && typeof mapDispatchToProps === 'object' ? wrapMapToPropsConstant(function (dispatch) {\n return Object(es[\"bindActionCreators\"])(mapDispatchToProps, dispatch);\n }) : undefined;\n}\n\n/* harmony default export */ var connect_mapDispatchToProps = ([whenMapDispatchToPropsIsFunction, whenMapDispatchToPropsIsMissing, whenMapDispatchToPropsIsObject]);\n// CONCATENATED MODULE: ./node_modules/react-redux/es/connect/mapStateToProps.js\n\n\nfunction whenMapStateToPropsIsFunction(mapStateToProps) {\n return typeof mapStateToProps === 'function' ? wrapMapToPropsFunc(mapStateToProps, 'mapStateToProps') : undefined;\n}\n\nfunction whenMapStateToPropsIsMissing(mapStateToProps) {\n return !mapStateToProps ? wrapMapToPropsConstant(function () {\n return {};\n }) : undefined;\n}\n\n/* harmony default export */ var connect_mapStateToProps = ([whenMapStateToPropsIsFunction, whenMapStateToPropsIsMissing]);\n// CONCATENATED MODULE: ./node_modules/react-redux/es/connect/mergeProps.js\nvar mergeProps__extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };\n\n\n\nfunction defaultMergeProps(stateProps, dispatchProps, ownProps) {\n return mergeProps__extends({}, ownProps, stateProps, dispatchProps);\n}\n\nfunction wrapMergePropsFunc(mergeProps) {\n return function initMergePropsProxy(dispatch, _ref) {\n var displayName = _ref.displayName,\n pure = _ref.pure,\n areMergedPropsEqual = _ref.areMergedPropsEqual;\n\n var hasRunOnce = false;\n var mergedProps = void 0;\n\n return function mergePropsProxy(stateProps, dispatchProps, ownProps) {\n var nextMergedProps = mergeProps(stateProps, dispatchProps, ownProps);\n\n if (hasRunOnce) {\n if (!pure || !areMergedPropsEqual(nextMergedProps, mergedProps)) mergedProps = nextMergedProps;\n } else {\n hasRunOnce = true;\n mergedProps = nextMergedProps;\n\n if (Object({\"BUILD\":undefined}).NODE_ENV !== 'production') verifyPlainObject(mergedProps, displayName, 'mergeProps');\n }\n\n return mergedProps;\n };\n };\n}\n\nfunction whenMergePropsIsFunction(mergeProps) {\n return typeof mergeProps === 'function' ? wrapMergePropsFunc(mergeProps) : undefined;\n}\n\nfunction whenMergePropsIsOmitted(mergeProps) {\n return !mergeProps ? function () {\n return defaultMergeProps;\n } : undefined;\n}\n\n/* harmony default export */ var connect_mergeProps = ([whenMergePropsIsFunction, whenMergePropsIsOmitted]);\n// CONCATENATED MODULE: ./node_modules/react-redux/es/connect/verifySubselectors.js\n\n\nfunction verify(selector, methodName, displayName) {\n if (!selector) {\n throw new Error('Unexpected value for ' + methodName + ' in ' + displayName + '.');\n } else if (methodName === 'mapStateToProps' || methodName === 'mapDispatchToProps') {\n if (!selector.hasOwnProperty('dependsOnOwnProps')) {\n warning('The selector for ' + methodName + ' of ' + displayName + ' did not specify a value for dependsOnOwnProps.');\n }\n }\n}\n\nfunction verifySubselectors(mapStateToProps, mapDispatchToProps, mergeProps, displayName) {\n verify(mapStateToProps, 'mapStateToProps', displayName);\n verify(mapDispatchToProps, 'mapDispatchToProps', displayName);\n verify(mergeProps, 'mergeProps', displayName);\n}\n// CONCATENATED MODULE: ./node_modules/react-redux/es/connect/selectorFactory.js\nfunction selectorFactory__objectWithoutProperties(obj, keys) { var target = {}; for (var i in obj) { if (keys.indexOf(i) >= 0) continue; if (!Object.prototype.hasOwnProperty.call(obj, i)) continue; target[i] = obj[i]; } return target; }\n\n\n\nfunction impureFinalPropsSelectorFactory(mapStateToProps, mapDispatchToProps, mergeProps, dispatch) {\n return function impureFinalPropsSelector(state, ownProps) {\n return mergeProps(mapStateToProps(state, ownProps), mapDispatchToProps(dispatch, ownProps), ownProps);\n };\n}\n\nfunction pureFinalPropsSelectorFactory(mapStateToProps, mapDispatchToProps, mergeProps, dispatch, _ref) {\n var areStatesEqual = _ref.areStatesEqual,\n areOwnPropsEqual = _ref.areOwnPropsEqual,\n areStatePropsEqual = _ref.areStatePropsEqual;\n\n var hasRunAtLeastOnce = false;\n var state = void 0;\n var ownProps = void 0;\n var stateProps = void 0;\n var dispatchProps = void 0;\n var mergedProps = void 0;\n\n function handleFirstCall(firstState, firstOwnProps) {\n state = firstState;\n ownProps = firstOwnProps;\n stateProps = mapStateToProps(state, ownProps);\n dispatchProps = mapDispatchToProps(dispatch, ownProps);\n mergedProps = mergeProps(stateProps, dispatchProps, ownProps);\n hasRunAtLeastOnce = true;\n return mergedProps;\n }\n\n function handleNewPropsAndNewState() {\n stateProps = mapStateToProps(state, ownProps);\n\n if (mapDispatchToProps.dependsOnOwnProps) dispatchProps = mapDispatchToProps(dispatch, ownProps);\n\n mergedProps = mergeProps(stateProps, dispatchProps, ownProps);\n return mergedProps;\n }\n\n function handleNewProps() {\n if (mapStateToProps.dependsOnOwnProps) stateProps = mapStateToProps(state, ownProps);\n\n if (mapDispatchToProps.dependsOnOwnProps) dispatchProps = mapDispatchToProps(dispatch, ownProps);\n\n mergedProps = mergeProps(stateProps, dispatchProps, ownProps);\n return mergedProps;\n }\n\n function handleNewState() {\n var nextStateProps = mapStateToProps(state, ownProps);\n var statePropsChanged = !areStatePropsEqual(nextStateProps, stateProps);\n stateProps = nextStateProps;\n\n if (statePropsChanged) mergedProps = mergeProps(stateProps, dispatchProps, ownProps);\n\n return mergedProps;\n }\n\n function handleSubsequentCalls(nextState, nextOwnProps) {\n var propsChanged = !areOwnPropsEqual(nextOwnProps, ownProps);\n var stateChanged = !areStatesEqual(nextState, state);\n state = nextState;\n ownProps = nextOwnProps;\n\n if (propsChanged && stateChanged) return handleNewPropsAndNewState();\n if (propsChanged) return handleNewProps();\n if (stateChanged) return handleNewState();\n return mergedProps;\n }\n\n return function pureFinalPropsSelector(nextState, nextOwnProps) {\n return hasRunAtLeastOnce ? handleSubsequentCalls(nextState, nextOwnProps) : handleFirstCall(nextState, nextOwnProps);\n };\n}\n\n// TODO: Add more comments\n\n// If pure is true, the selector returned by selectorFactory will memoize its results,\n// allowing connectAdvanced's shouldComponentUpdate to return false if final\n// props have not changed. If false, the selector will always return a new\n// object and shouldComponentUpdate will always return true.\n\nfunction finalPropsSelectorFactory(dispatch, _ref2) {\n var initMapStateToProps = _ref2.initMapStateToProps,\n initMapDispatchToProps = _ref2.initMapDispatchToProps,\n initMergeProps = _ref2.initMergeProps,\n options = selectorFactory__objectWithoutProperties(_ref2, ['initMapStateToProps', 'initMapDispatchToProps', 'initMergeProps']);\n\n var mapStateToProps = initMapStateToProps(dispatch, options);\n var mapDispatchToProps = initMapDispatchToProps(dispatch, options);\n var mergeProps = initMergeProps(dispatch, options);\n\n if (Object({\"BUILD\":undefined}).NODE_ENV !== 'production') {\n verifySubselectors(mapStateToProps, mapDispatchToProps, mergeProps, options.displayName);\n }\n\n var selectorFactory = options.pure ? pureFinalPropsSelectorFactory : impureFinalPropsSelectorFactory;\n\n return selectorFactory(mapStateToProps, mapDispatchToProps, mergeProps, dispatch, options);\n}\n// CONCATENATED MODULE: ./node_modules/react-redux/es/connect/connect.js\nvar connect__extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };\n\nfunction connect__objectWithoutProperties(obj, keys) { var target = {}; for (var i in obj) { if (keys.indexOf(i) >= 0) continue; if (!Object.prototype.hasOwnProperty.call(obj, i)) continue; target[i] = obj[i]; } return target; }\n\n\n\n\n\n\n\n\n/*\n connect is a facade over connectAdvanced. It turns its args into a compatible\n selectorFactory, which has the signature:\n\n (dispatch, options) => (nextState, nextOwnProps) => nextFinalProps\n \n connect passes its args to connectAdvanced as options, which will in turn pass them to\n selectorFactory each time a Connect component instance is instantiated or hot reloaded.\n\n selectorFactory returns a final props selector from its mapStateToProps,\n mapStateToPropsFactories, mapDispatchToProps, mapDispatchToPropsFactories, mergeProps,\n mergePropsFactories, and pure args.\n\n The resulting final props selector is called by the Connect component instance whenever\n it receives new props or store state.\n */\n\nfunction match(arg, factories, name) {\n for (var i = factories.length - 1; i >= 0; i--) {\n var result = factories[i](arg);\n if (result) return result;\n }\n\n return function (dispatch, options) {\n throw new Error('Invalid value of type ' + typeof arg + ' for ' + name + ' argument when connecting component ' + options.wrappedComponentName + '.');\n };\n}\n\nfunction strictEqual(a, b) {\n return a === b;\n}\n\n// createConnect with default args builds the 'official' connect behavior. Calling it with\n// different options opens up some testing and extensibility scenarios\nfunction createConnect() {\n var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},\n _ref$connectHOC = _ref.connectHOC,\n connectHOC = _ref$connectHOC === undefined ? connectAdvanced : _ref$connectHOC,\n _ref$mapStateToPropsF = _ref.mapStateToPropsFactories,\n mapStateToPropsFactories = _ref$mapStateToPropsF === undefined ? connect_mapStateToProps : _ref$mapStateToPropsF,\n _ref$mapDispatchToPro = _ref.mapDispatchToPropsFactories,\n mapDispatchToPropsFactories = _ref$mapDispatchToPro === undefined ? connect_mapDispatchToProps : _ref$mapDispatchToPro,\n _ref$mergePropsFactor = _ref.mergePropsFactories,\n mergePropsFactories = _ref$mergePropsFactor === undefined ? connect_mergeProps : _ref$mergePropsFactor,\n _ref$selectorFactory = _ref.selectorFactory,\n selectorFactory = _ref$selectorFactory === undefined ? finalPropsSelectorFactory : _ref$selectorFactory;\n\n return function connect(mapStateToProps, mapDispatchToProps, mergeProps) {\n var _ref2 = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {},\n _ref2$pure = _ref2.pure,\n pure = _ref2$pure === undefined ? true : _ref2$pure,\n _ref2$areStatesEqual = _ref2.areStatesEqual,\n areStatesEqual = _ref2$areStatesEqual === undefined ? strictEqual : _ref2$areStatesEqual,\n _ref2$areOwnPropsEqua = _ref2.areOwnPropsEqual,\n areOwnPropsEqual = _ref2$areOwnPropsEqua === undefined ? shallowEqual : _ref2$areOwnPropsEqua,\n _ref2$areStatePropsEq = _ref2.areStatePropsEqual,\n areStatePropsEqual = _ref2$areStatePropsEq === undefined ? shallowEqual : _ref2$areStatePropsEq,\n _ref2$areMergedPropsE = _ref2.areMergedPropsEqual,\n areMergedPropsEqual = _ref2$areMergedPropsE === undefined ? shallowEqual : _ref2$areMergedPropsE,\n extraOptions = connect__objectWithoutProperties(_ref2, ['pure', 'areStatesEqual', 'areOwnPropsEqual', 'areStatePropsEqual', 'areMergedPropsEqual']);\n\n var initMapStateToProps = match(mapStateToProps, mapStateToPropsFactories, 'mapStateToProps');\n var initMapDispatchToProps = match(mapDispatchToProps, mapDispatchToPropsFactories, 'mapDispatchToProps');\n var initMergeProps = match(mergeProps, mergePropsFactories, 'mergeProps');\n\n return connectHOC(selectorFactory, connect__extends({\n // used in error messages\n methodName: 'connect',\n\n // used to compute Connect's displayName from the wrapped component's displayName.\n getDisplayName: function getDisplayName(name) {\n return 'Connect(' + name + ')';\n },\n\n // if mapStateToProps is falsy, the Connect component doesn't subscribe to store state changes\n shouldHandleStateChanges: Boolean(mapStateToProps),\n\n // passed through to selectorFactory\n initMapStateToProps: initMapStateToProps,\n initMapDispatchToProps: initMapDispatchToProps,\n initMergeProps: initMergeProps,\n pure: pure,\n areStatesEqual: areStatesEqual,\n areOwnPropsEqual: areOwnPropsEqual,\n areStatePropsEqual: areStatePropsEqual,\n areMergedPropsEqual: areMergedPropsEqual\n\n }, extraOptions));\n };\n}\n\n/* harmony default export */ var connect_connect = (createConnect());\n// CONCATENATED MODULE: ./node_modules/react-redux/es/index.js\n/* concated harmony reexport */__webpack_require__.d(__webpack_exports__, \"Provider\", function() { return components_Provider; });\n/* concated harmony reexport */__webpack_require__.d(__webpack_exports__, \"createProvider\", function() { return createProvider; });\n/* concated harmony reexport */__webpack_require__.d(__webpack_exports__, \"connectAdvanced\", function() { return connectAdvanced; });\n/* concated harmony reexport */__webpack_require__.d(__webpack_exports__, \"connect\", function() { return connect_connect; });\n\n\n\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/react-redux/es/index.js + 14 modules\n// module id = 10\n// module chunks = 0\n\n//# sourceURL=webpack:///./node_modules/react-redux/es/index.js_+_14_modules?")},function(module,exports,__webpack_require__){"use strict";eval("\n\n/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n *\n * \n */\n\nfunction makeEmptyFunction(arg) {\n return function () {\n return arg;\n };\n}\n\n/**\n * This function accepts and discards inputs; it has no side effects. This is\n * primarily useful idiomatically for overridable function endpoints which\n * always need to be callable, since JS lacks a null-call idiom ala Cocoa.\n */\nvar emptyFunction = function emptyFunction() {};\n\nemptyFunction.thatReturns = makeEmptyFunction;\nemptyFunction.thatReturnsFalse = makeEmptyFunction(false);\nemptyFunction.thatReturnsTrue = makeEmptyFunction(true);\nemptyFunction.thatReturnsNull = makeEmptyFunction(null);\nemptyFunction.thatReturnsThis = function () {\n return this;\n};\nemptyFunction.thatReturnsArgument = function (arg) {\n return arg;\n};\n\nmodule.exports = emptyFunction;\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/prop-types/node_modules/fbjs/lib/emptyFunction.js\n// module id = 11\n// module chunks = 0\n\n//# sourceURL=webpack:///./node_modules/prop-types/node_modules/fbjs/lib/emptyFunction.js?")},function(module,exports,__webpack_require__){"use strict";eval("/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n *\n */\n\n\n\n/**\n * Use invariant() to assert state which your program assumes to be true.\n *\n * Provide sprintf-style format (only %s is supported) and arguments\n * to provide information about what broke and what you were\n * expecting.\n *\n * The invariant message will be stripped in production, but the invariant\n * will remain to ensure logic does not differ in production.\n */\n\nvar validateFormat = function validateFormat(format) {};\n\nif (Object({\"BUILD\":undefined}).NODE_ENV !== 'production') {\n validateFormat = function validateFormat(format) {\n if (format === undefined) {\n throw new Error('invariant requires an error message argument');\n }\n };\n}\n\nfunction invariant(condition, format, a, b, c, d, e, f) {\n validateFormat(format);\n\n if (!condition) {\n var error;\n if (format === undefined) {\n error = new Error('Minified exception occurred; use the non-minified dev environment ' + 'for the full error message and additional helpful warnings.');\n } else {\n var args = [a, b, c, d, e, f];\n var argIndex = 0;\n error = new Error(format.replace(/%s/g, function () {\n return args[argIndex++];\n }));\n error.name = 'Invariant Violation';\n }\n\n error.framesToPop = 1; // we don't care about invariant's own frame\n throw error;\n }\n}\n\nmodule.exports = invariant;\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/prop-types/node_modules/fbjs/lib/invariant.js\n// module id = 12\n// module chunks = 0\n\n//# sourceURL=webpack:///./node_modules/prop-types/node_modules/fbjs/lib/invariant.js?")},function(module,exports,__webpack_require__){"use strict";eval("/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n */\n\n\n\nvar ReactPropTypesSecret = 'SECRET_DO_NOT_PASS_THIS_OR_YOU_WILL_BE_FIRED';\n\nmodule.exports = ReactPropTypesSecret;\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/prop-types/lib/ReactPropTypesSecret.js\n// module id = 13\n// module chunks = 0\n\n//# sourceURL=webpack:///./node_modules/prop-types/lib/ReactPropTypesSecret.js?")},function(module,__webpack_exports__,__webpack_require__){"use strict";eval("\n// EXTERNAL MODULE: ./node_modules/lodash-es/_freeGlobal.js\nvar _freeGlobal = __webpack_require__(56);\n\n// CONCATENATED MODULE: ./node_modules/lodash-es/_root.js\n\n\n/** Detect free variable `self`. */\nvar freeSelf = typeof self == 'object' && self && self.Object === Object && self;\n\n/** Used as a reference to the global object. */\nvar root = _freeGlobal[\"a\" /* default */] || freeSelf || Function('return this')();\n\n/* harmony default export */ var _root = (root);\n\n// CONCATENATED MODULE: ./node_modules/lodash-es/_Symbol.js\n\n\n/** Built-in value references. */\nvar Symbol = _root.Symbol;\n\n/* harmony default export */ var _Symbol = (Symbol);\n\n// CONCATENATED MODULE: ./node_modules/lodash-es/_getRawTag.js\n\n\n/** Used for built-in method references. */\nvar objectProto = Object.prototype;\n\n/** Used to check objects for own properties. */\nvar _getRawTag_hasOwnProperty = objectProto.hasOwnProperty;\n\n/**\n * Used to resolve the\n * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n * of values.\n */\nvar nativeObjectToString = objectProto.toString;\n\n/** Built-in value references. */\nvar symToStringTag = _Symbol ? _Symbol.toStringTag : undefined;\n\n/**\n * A specialized version of `baseGetTag` which ignores `Symbol.toStringTag` values.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the raw `toStringTag`.\n */\nfunction getRawTag(value) {\n var isOwn = _getRawTag_hasOwnProperty.call(value, symToStringTag),\n tag = value[symToStringTag];\n\n try {\n value[symToStringTag] = undefined;\n var unmasked = true;\n } catch (e) {}\n\n var result = nativeObjectToString.call(value);\n if (unmasked) {\n if (isOwn) {\n value[symToStringTag] = tag;\n } else {\n delete value[symToStringTag];\n }\n }\n return result;\n}\n\n/* harmony default export */ var _getRawTag = (getRawTag);\n\n// CONCATENATED MODULE: ./node_modules/lodash-es/_objectToString.js\n/** Used for built-in method references. */\nvar _objectToString_objectProto = Object.prototype;\n\n/**\n * Used to resolve the\n * [`toStringTag`](http://ecma-international.org/ecma-262/7.0/#sec-object.prototype.tostring)\n * of values.\n */\nvar _objectToString_nativeObjectToString = _objectToString_objectProto.toString;\n\n/**\n * Converts `value` to a string using `Object.prototype.toString`.\n *\n * @private\n * @param {*} value The value to convert.\n * @returns {string} Returns the converted string.\n */\nfunction objectToString(value) {\n return _objectToString_nativeObjectToString.call(value);\n}\n\n/* harmony default export */ var _objectToString = (objectToString);\n\n// CONCATENATED MODULE: ./node_modules/lodash-es/_baseGetTag.js\n\n\n\n\n/** `Object#toString` result references. */\nvar nullTag = '[object Null]',\n undefinedTag = '[object Undefined]';\n\n/** Built-in value references. */\nvar _baseGetTag_symToStringTag = _Symbol ? _Symbol.toStringTag : undefined;\n\n/**\n * The base implementation of `getTag` without fallbacks for buggy environments.\n *\n * @private\n * @param {*} value The value to query.\n * @returns {string} Returns the `toStringTag`.\n */\nfunction baseGetTag(value) {\n if (value == null) {\n return value === undefined ? undefinedTag : nullTag;\n }\n return (_baseGetTag_symToStringTag && _baseGetTag_symToStringTag in Object(value))\n ? _getRawTag(value)\n : _objectToString(value);\n}\n\n/* harmony default export */ var _baseGetTag = (baseGetTag);\n\n// CONCATENATED MODULE: ./node_modules/lodash-es/_overArg.js\n/**\n * Creates a unary function that invokes `func` with its argument transformed.\n *\n * @private\n * @param {Function} func The function to wrap.\n * @param {Function} transform The argument transform.\n * @returns {Function} Returns the new function.\n */\nfunction overArg(func, transform) {\n return function(arg) {\n return func(transform(arg));\n };\n}\n\n/* harmony default export */ var _overArg = (overArg);\n\n// CONCATENATED MODULE: ./node_modules/lodash-es/_getPrototype.js\n\n\n/** Built-in value references. */\nvar getPrototype = _overArg(Object.getPrototypeOf, Object);\n\n/* harmony default export */ var _getPrototype = (getPrototype);\n\n// CONCATENATED MODULE: ./node_modules/lodash-es/isObjectLike.js\n/**\n * Checks if `value` is object-like. A value is object-like if it's not `null`\n * and has a `typeof` result of \"object\".\n *\n * @static\n * @memberOf _\n * @since 4.0.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n * @example\n *\n * _.isObjectLike({});\n * // => true\n *\n * _.isObjectLike([1, 2, 3]);\n * // => true\n *\n * _.isObjectLike(_.noop);\n * // => false\n *\n * _.isObjectLike(null);\n * // => false\n */\nfunction isObjectLike(value) {\n return value != null && typeof value == 'object';\n}\n\n/* harmony default export */ var lodash_es_isObjectLike = (isObjectLike);\n\n// CONCATENATED MODULE: ./node_modules/lodash-es/isPlainObject.js\n\n\n\n\n/** `Object#toString` result references. */\nvar objectTag = '[object Object]';\n\n/** Used for built-in method references. */\nvar funcProto = Function.prototype,\n isPlainObject_objectProto = Object.prototype;\n\n/** Used to resolve the decompiled source of functions. */\nvar funcToString = funcProto.toString;\n\n/** Used to check objects for own properties. */\nvar isPlainObject_hasOwnProperty = isPlainObject_objectProto.hasOwnProperty;\n\n/** Used to infer the `Object` constructor. */\nvar objectCtorString = funcToString.call(Object);\n\n/**\n * Checks if `value` is a plain object, that is, an object created by the\n * `Object` constructor or one with a `[[Prototype]]` of `null`.\n *\n * @static\n * @memberOf _\n * @since 0.8.0\n * @category Lang\n * @param {*} value The value to check.\n * @returns {boolean} Returns `true` if `value` is a plain object, else `false`.\n * @example\n *\n * function Foo() {\n * this.a = 1;\n * }\n *\n * _.isPlainObject(new Foo);\n * // => false\n *\n * _.isPlainObject([1, 2, 3]);\n * // => false\n *\n * _.isPlainObject({ 'x': 0, 'y': 0 });\n * // => true\n *\n * _.isPlainObject(Object.create(null));\n * // => true\n */\nfunction isPlainObject(value) {\n if (!lodash_es_isObjectLike(value) || _baseGetTag(value) != objectTag) {\n return false;\n }\n var proto = _getPrototype(value);\n if (proto === null) {\n return true;\n }\n var Ctor = isPlainObject_hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n return typeof Ctor == 'function' && Ctor instanceof Ctor &&\n funcToString.call(Ctor) == objectCtorString;\n}\n\n/* harmony default export */ var lodash_es_isPlainObject = __webpack_exports__[\"a\"] = (isPlainObject);\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/lodash-es/isPlainObject.js + 8 modules\n// module id = 14\n// module chunks = 0\n\n//# sourceURL=webpack:///./node_modules/lodash-es/isPlainObject.js_+_8_modules?")},function(module,exports){eval('var g;\n\n// This works in non-strict mode\ng = (function() {\n\treturn this;\n})();\n\ntry {\n\t// This works if eval is allowed (see CSP)\n\tg = g || Function("return this")() || (1,eval)("this");\n} catch(e) {\n\t// This works if the window reference is available\n\tif(typeof window === "object")\n\t\tg = window;\n}\n\n// g can still be undefined, but nothing to do about it...\n// We return undefined, instead of nothing here, so it\'s\n// easier to handle this case. if(!global) { ...}\n\nmodule.exports = g;\n\n\n//////////////////\n// WEBPACK FOOTER\n// (webpack)/buildin/global.js\n// module id = 15\n// module chunks = 0\n\n//# sourceURL=webpack:///(webpack)/buildin/global.js?')},function(module,exports,__webpack_require__){eval('// CodeMirror, copyright (c) by Marijn Haverbeke and others\n// Distributed under an MIT license: http://codemirror.net/LICENSE\n\n// This is CodeMirror (http://codemirror.net), a code editor\n// implemented in JavaScript on top of the browser\'s DOM.\n//\n// You can find some technical background for some of the code below\n// at http://marijnhaverbeke.nl/blog/#cm-internals .\n\n(function (global, factory) {\n\t true ? module.exports = factory() :\n\ttypeof define === \'function\' && define.amd ? define(factory) :\n\t(global.CodeMirror = factory());\n}(this, (function () { \'use strict\';\n\n// Kludges for bugs and behavior differences that can\'t be feature\n// detected are enabled based on userAgent etc sniffing.\nvar userAgent = navigator.userAgent;\nvar platform = navigator.platform;\n\nvar gecko = /gecko\\/\\d/i.test(userAgent);\nvar ie_upto10 = /MSIE \\d/.test(userAgent);\nvar ie_11up = /Trident\\/(?:[7-9]|\\d{2,})\\..*rv:(\\d+)/.exec(userAgent);\nvar edge = /Edge\\/(\\d+)/.exec(userAgent);\nvar ie = ie_upto10 || ie_11up || edge;\nvar ie_version = ie && (ie_upto10 ? document.documentMode || 6 : +(edge || ie_11up)[1]);\nvar webkit = !edge && /WebKit\\//.test(userAgent);\nvar qtwebkit = webkit && /Qt\\/\\d+\\.\\d+/.test(userAgent);\nvar chrome = !edge && /Chrome\\//.test(userAgent);\nvar presto = /Opera\\//.test(userAgent);\nvar safari = /Apple Computer/.test(navigator.vendor);\nvar mac_geMountainLion = /Mac OS X 1\\d\\D([8-9]|\\d\\d)\\D/.test(userAgent);\nvar phantom = /PhantomJS/.test(userAgent);\n\nvar ios = !edge && /AppleWebKit/.test(userAgent) && /Mobile\\/\\w+/.test(userAgent);\nvar android = /Android/.test(userAgent);\n// This is woefully incomplete. Suggestions for alternative methods welcome.\nvar mobile = ios || android || /webOS|BlackBerry|Opera Mini|Opera Mobi|IEMobile/i.test(userAgent);\nvar mac = ios || /Mac/.test(platform);\nvar chromeOS = /\\bCrOS\\b/.test(userAgent);\nvar windows = /win/i.test(platform);\n\nvar presto_version = presto && userAgent.match(/Version\\/(\\d*\\.\\d*)/);\nif (presto_version) { presto_version = Number(presto_version[1]); }\nif (presto_version && presto_version >= 15) { presto = false; webkit = true; }\n// Some browsers use the wrong event properties to signal cmd/ctrl on OS X\nvar flipCtrlCmd = mac && (qtwebkit || presto && (presto_version == null || presto_version < 12.11));\nvar captureRightClick = gecko || (ie && ie_version >= 9);\n\nfunction classTest(cls) { return new RegExp("(^|\\\\s)" + cls + "(?:$|\\\\s)\\\\s*") }\n\nvar rmClass = function(node, cls) {\n var current = node.className;\n var match = classTest(cls).exec(current);\n if (match) {\n var after = current.slice(match.index + match[0].length);\n node.className = current.slice(0, match.index) + (after ? match[1] + after : "");\n }\n};\n\nfunction removeChildren(e) {\n for (var count = e.childNodes.length; count > 0; --count)\n { e.removeChild(e.firstChild); }\n return e\n}\n\nfunction removeChildrenAndAdd(parent, e) {\n return removeChildren(parent).appendChild(e)\n}\n\nfunction elt(tag, content, className, style) {\n var e = document.createElement(tag);\n if (className) { e.className = className; }\n if (style) { e.style.cssText = style; }\n if (typeof content == "string") { e.appendChild(document.createTextNode(content)); }\n else if (content) { for (var i = 0; i < content.length; ++i) { e.appendChild(content[i]); } }\n return e\n}\n// wrapper for elt, which removes the elt from the accessibility tree\nfunction eltP(tag, content, className, style) {\n var e = elt(tag, content, className, style);\n e.setAttribute("role", "presentation");\n return e\n}\n\nvar range;\nif (document.createRange) { range = function(node, start, end, endNode) {\n var r = document.createRange();\n r.setEnd(endNode || node, end);\n r.setStart(node, start);\n return r\n}; }\nelse { range = function(node, start, end) {\n var r = document.body.createTextRange();\n try { r.moveToElementText(node.parentNode); }\n catch(e) { return r }\n r.collapse(true);\n r.moveEnd("character", end);\n r.moveStart("character", start);\n return r\n}; }\n\nfunction contains(parent, child) {\n if (child.nodeType == 3) // Android browser always returns false when child is a textnode\n { child = child.parentNode; }\n if (parent.contains)\n { return parent.contains(child) }\n do {\n if (child.nodeType == 11) { child = child.host; }\n if (child == parent) { return true }\n } while (child = child.parentNode)\n}\n\nfunction activeElt() {\n // IE and Edge may throw an "Unspecified Error" when accessing document.activeElement.\n // IE < 10 will throw when accessed while the page is loading or in an iframe.\n // IE > 9 and Edge will throw when accessed in an iframe if document.body is unavailable.\n var activeElement;\n try {\n activeElement = document.activeElement;\n } catch(e) {\n activeElement = document.body || null;\n }\n while (activeElement && activeElement.shadowRoot && activeElement.shadowRoot.activeElement)\n { activeElement = activeElement.shadowRoot.activeElement; }\n return activeElement\n}\n\nfunction addClass(node, cls) {\n var current = node.className;\n if (!classTest(cls).test(current)) { node.className += (current ? " " : "") + cls; }\n}\nfunction joinClasses(a, b) {\n var as = a.split(" ");\n for (var i = 0; i < as.length; i++)\n { if (as[i] && !classTest(as[i]).test(b)) { b += " " + as[i]; } }\n return b\n}\n\nvar selectInput = function(node) { node.select(); };\nif (ios) // Mobile Safari apparently has a bug where select() is broken.\n { selectInput = function(node) { node.selectionStart = 0; node.selectionEnd = node.value.length; }; }\nelse if (ie) // Suppress mysterious IE10 errors\n { selectInput = function(node) { try { node.select(); } catch(_e) {} }; }\n\nfunction bind(f) {\n var args = Array.prototype.slice.call(arguments, 1);\n return function(){return f.apply(null, args)}\n}\n\nfunction copyObj(obj, target, overwrite) {\n if (!target) { target = {}; }\n for (var prop in obj)\n { if (obj.hasOwnProperty(prop) && (overwrite !== false || !target.hasOwnProperty(prop)))\n { target[prop] = obj[prop]; } }\n return target\n}\n\n// Counts the column offset in a string, taking tabs into account.\n// Used mostly to find indentation.\nfunction countColumn(string, end, tabSize, startIndex, startValue) {\n if (end == null) {\n end = string.search(/[^\\s\\u00a0]/);\n if (end == -1) { end = string.length; }\n }\n for (var i = startIndex || 0, n = startValue || 0;;) {\n var nextTab = string.indexOf("\\t", i);\n if (nextTab < 0 || nextTab >= end)\n { return n + (end - i) }\n n += nextTab - i;\n n += tabSize - (n % tabSize);\n i = nextTab + 1;\n }\n}\n\nvar Delayed = function() {this.id = null;};\nDelayed.prototype.set = function (ms, f) {\n clearTimeout(this.id);\n this.id = setTimeout(f, ms);\n};\n\nfunction indexOf(array, elt) {\n for (var i = 0; i < array.length; ++i)\n { if (array[i] == elt) { return i } }\n return -1\n}\n\n// Number of pixels added to scroller and sizer to hide scrollbar\nvar scrollerGap = 30;\n\n// Returned or thrown by various protocols to signal \'I\'m not\n// handling this\'.\nvar Pass = {toString: function(){return "CodeMirror.Pass"}};\n\n// Reused option objects for setSelection & friends\nvar sel_dontScroll = {scroll: false};\nvar sel_mouse = {origin: "*mouse"};\nvar sel_move = {origin: "+move"};\n\n// The inverse of countColumn -- find the offset that corresponds to\n// a particular column.\nfunction findColumn(string, goal, tabSize) {\n for (var pos = 0, col = 0;;) {\n var nextTab = string.indexOf("\\t", pos);\n if (nextTab == -1) { nextTab = string.length; }\n var skipped = nextTab - pos;\n if (nextTab == string.length || col + skipped >= goal)\n { return pos + Math.min(skipped, goal - col) }\n col += nextTab - pos;\n col += tabSize - (col % tabSize);\n pos = nextTab + 1;\n if (col >= goal) { return pos }\n }\n}\n\nvar spaceStrs = [""];\nfunction spaceStr(n) {\n while (spaceStrs.length <= n)\n { spaceStrs.push(lst(spaceStrs) + " "); }\n return spaceStrs[n]\n}\n\nfunction lst(arr) { return arr[arr.length-1] }\n\nfunction map(array, f) {\n var out = [];\n for (var i = 0; i < array.length; i++) { out[i] = f(array[i], i); }\n return out\n}\n\nfunction insertSorted(array, value, score) {\n var pos = 0, priority = score(value);\n while (pos < array.length && score(array[pos]) <= priority) { pos++; }\n array.splice(pos, 0, value);\n}\n\nfunction nothing() {}\n\nfunction createObj(base, props) {\n var inst;\n if (Object.create) {\n inst = Object.create(base);\n } else {\n nothing.prototype = base;\n inst = new nothing();\n }\n if (props) { copyObj(props, inst); }\n return inst\n}\n\nvar nonASCIISingleCaseWordChar = /[\\u00df\\u0587\\u0590-\\u05f4\\u0600-\\u06ff\\u3040-\\u309f\\u30a0-\\u30ff\\u3400-\\u4db5\\u4e00-\\u9fcc\\uac00-\\ud7af]/;\nfunction isWordCharBasic(ch) {\n return /\\w/.test(ch) || ch > "\\x80" &&\n (ch.toUpperCase() != ch.toLowerCase() || nonASCIISingleCaseWordChar.test(ch))\n}\nfunction isWordChar(ch, helper) {\n if (!helper) { return isWordCharBasic(ch) }\n if (helper.source.indexOf("\\\\w") > -1 && isWordCharBasic(ch)) { return true }\n return helper.test(ch)\n}\n\nfunction isEmpty(obj) {\n for (var n in obj) { if (obj.hasOwnProperty(n) && obj[n]) { return false } }\n return true\n}\n\n// Extending unicode characters. A series of a non-extending char +\n// any number of extending chars is treated as a single unit as far\n// as editing and measuring is concerned. This is not fully correct,\n// since some scripts/fonts/browsers also treat other configurations\n// of code points as a group.\nvar extendingChars = /[\\u0300-\\u036f\\u0483-\\u0489\\u0591-\\u05bd\\u05bf\\u05c1\\u05c2\\u05c4\\u05c5\\u05c7\\u0610-\\u061a\\u064b-\\u065e\\u0670\\u06d6-\\u06dc\\u06de-\\u06e4\\u06e7\\u06e8\\u06ea-\\u06ed\\u0711\\u0730-\\u074a\\u07a6-\\u07b0\\u07eb-\\u07f3\\u0816-\\u0819\\u081b-\\u0823\\u0825-\\u0827\\u0829-\\u082d\\u0900-\\u0902\\u093c\\u0941-\\u0948\\u094d\\u0951-\\u0955\\u0962\\u0963\\u0981\\u09bc\\u09be\\u09c1-\\u09c4\\u09cd\\u09d7\\u09e2\\u09e3\\u0a01\\u0a02\\u0a3c\\u0a41\\u0a42\\u0a47\\u0a48\\u0a4b-\\u0a4d\\u0a51\\u0a70\\u0a71\\u0a75\\u0a81\\u0a82\\u0abc\\u0ac1-\\u0ac5\\u0ac7\\u0ac8\\u0acd\\u0ae2\\u0ae3\\u0b01\\u0b3c\\u0b3e\\u0b3f\\u0b41-\\u0b44\\u0b4d\\u0b56\\u0b57\\u0b62\\u0b63\\u0b82\\u0bbe\\u0bc0\\u0bcd\\u0bd7\\u0c3e-\\u0c40\\u0c46-\\u0c48\\u0c4a-\\u0c4d\\u0c55\\u0c56\\u0c62\\u0c63\\u0cbc\\u0cbf\\u0cc2\\u0cc6\\u0ccc\\u0ccd\\u0cd5\\u0cd6\\u0ce2\\u0ce3\\u0d3e\\u0d41-\\u0d44\\u0d4d\\u0d57\\u0d62\\u0d63\\u0dca\\u0dcf\\u0dd2-\\u0dd4\\u0dd6\\u0ddf\\u0e31\\u0e34-\\u0e3a\\u0e47-\\u0e4e\\u0eb1\\u0eb4-\\u0eb9\\u0ebb\\u0ebc\\u0ec8-\\u0ecd\\u0f18\\u0f19\\u0f35\\u0f37\\u0f39\\u0f71-\\u0f7e\\u0f80-\\u0f84\\u0f86\\u0f87\\u0f90-\\u0f97\\u0f99-\\u0fbc\\u0fc6\\u102d-\\u1030\\u1032-\\u1037\\u1039\\u103a\\u103d\\u103e\\u1058\\u1059\\u105e-\\u1060\\u1071-\\u1074\\u1082\\u1085\\u1086\\u108d\\u109d\\u135f\\u1712-\\u1714\\u1732-\\u1734\\u1752\\u1753\\u1772\\u1773\\u17b7-\\u17bd\\u17c6\\u17c9-\\u17d3\\u17dd\\u180b-\\u180d\\u18a9\\u1920-\\u1922\\u1927\\u1928\\u1932\\u1939-\\u193b\\u1a17\\u1a18\\u1a56\\u1a58-\\u1a5e\\u1a60\\u1a62\\u1a65-\\u1a6c\\u1a73-\\u1a7c\\u1a7f\\u1b00-\\u1b03\\u1b34\\u1b36-\\u1b3a\\u1b3c\\u1b42\\u1b6b-\\u1b73\\u1b80\\u1b81\\u1ba2-\\u1ba5\\u1ba8\\u1ba9\\u1c2c-\\u1c33\\u1c36\\u1c37\\u1cd0-\\u1cd2\\u1cd4-\\u1ce0\\u1ce2-\\u1ce8\\u1ced\\u1dc0-\\u1de6\\u1dfd-\\u1dff\\u200c\\u200d\\u20d0-\\u20f0\\u2cef-\\u2cf1\\u2de0-\\u2dff\\u302a-\\u302f\\u3099\\u309a\\ua66f-\\ua672\\ua67c\\ua67d\\ua6f0\\ua6f1\\ua802\\ua806\\ua80b\\ua825\\ua826\\ua8c4\\ua8e0-\\ua8f1\\ua926-\\ua92d\\ua947-\\ua951\\ua980-\\ua982\\ua9b3\\ua9b6-\\ua9b9\\ua9bc\\uaa29-\\uaa2e\\uaa31\\uaa32\\uaa35\\uaa36\\uaa43\\uaa4c\\uaab0\\uaab2-\\uaab4\\uaab7\\uaab8\\uaabe\\uaabf\\uaac1\\uabe5\\uabe8\\uabed\\udc00-\\udfff\\ufb1e\\ufe00-\\ufe0f\\ufe20-\\ufe26\\uff9e\\uff9f]/;\nfunction isExtendingChar(ch) { return ch.charCodeAt(0) >= 768 && extendingChars.test(ch) }\n\n// Returns a number from the range [`0`; `str.length`] unless `pos` is outside that range.\nfunction skipExtendingChars(str, pos, dir) {\n while ((dir < 0 ? pos > 0 : pos < str.length) && isExtendingChar(str.charAt(pos))) { pos += dir; }\n return pos\n}\n\n// Returns the value from the range [`from`; `to`] that satisfies\n// `pred` and is closest to `from`. Assumes that at least `to`\n// satisfies `pred`. Supports `from` being greater than `to`.\nfunction findFirst(pred, from, to) {\n // At any point we are certain `to` satisfies `pred`, don\'t know\n // whether `from` does.\n var dir = from > to ? -1 : 1;\n for (;;) {\n if (from == to) { return from }\n var midF = (from + to) / 2, mid = dir < 0 ? Math.ceil(midF) : Math.floor(midF);\n if (mid == from) { return pred(mid) ? from : to }\n if (pred(mid)) { to = mid; }\n else { from = mid + dir; }\n }\n}\n\n// The display handles the DOM integration, both for input reading\n// and content drawing. It holds references to DOM nodes and\n// display-related state.\n\nfunction Display(place, doc, input) {\n var d = this;\n this.input = input;\n\n // Covers bottom-right square when both scrollbars are present.\n d.scrollbarFiller = elt("div", null, "CodeMirror-scrollbar-filler");\n d.scrollbarFiller.setAttribute("cm-not-content", "true");\n // Covers bottom of gutter when coverGutterNextToScrollbar is on\n // and h scrollbar is present.\n d.gutterFiller = elt("div", null, "CodeMirror-gutter-filler");\n d.gutterFiller.setAttribute("cm-not-content", "true");\n // Will contain the actual code, positioned to cover the viewport.\n d.lineDiv = eltP("div", null, "CodeMirror-code");\n // Elements are added to these to represent selection and cursors.\n d.selectionDiv = elt("div", null, null, "position: relative; z-index: 1");\n d.cursorDiv = elt("div", null, "CodeMirror-cursors");\n // A visibility: hidden element used to find the size of things.\n d.measure = elt("div", null, "CodeMirror-measure");\n // When lines outside of the viewport are measured, they are drawn in this.\n d.lineMeasure = elt("div", null, "CodeMirror-measure");\n // Wraps everything that needs to exist inside the vertically-padded coordinate system\n d.lineSpace = eltP("div", [d.measure, d.lineMeasure, d.selectionDiv, d.cursorDiv, d.lineDiv],\n null, "position: relative; outline: none");\n var lines = eltP("div", [d.lineSpace], "CodeMirror-lines");\n // Moved around its parent to cover visible view.\n d.mover = elt("div", [lines], null, "position: relative");\n // Set to the height of the document, allowing scrolling.\n d.sizer = elt("div", [d.mover], "CodeMirror-sizer");\n d.sizerWidth = null;\n // Behavior of elts with overflow: auto and padding is\n // inconsistent across browsers. This is used to ensure the\n // scrollable area is big enough.\n d.heightForcer = elt("div", null, null, "position: absolute; height: " + scrollerGap + "px; width: 1px;");\n // Will contain the gutters, if any.\n d.gutters = elt("div", null, "CodeMirror-gutters");\n d.lineGutter = null;\n // Actual scrollable element.\n d.scroller = elt("div", [d.sizer, d.heightForcer, d.gutters], "CodeMirror-scroll");\n d.scroller.setAttribute("tabIndex", "-1");\n // The element in which the editor lives.\n d.wrapper = elt("div", [d.scrollbarFiller, d.gutterFiller, d.scroller], "CodeMirror");\n\n // Work around IE7 z-index bug (not perfect, hence IE7 not really being supported)\n if (ie && ie_version < 8) { d.gutters.style.zIndex = -1; d.scroller.style.paddingRight = 0; }\n if (!webkit && !(gecko && mobile)) { d.scroller.draggable = true; }\n\n if (place) {\n if (place.appendChild) { place.appendChild(d.wrapper); }\n else { place(d.wrapper); }\n }\n\n // Current rendered range (may be bigger than the view window).\n d.viewFrom = d.viewTo = doc.first;\n d.reportedViewFrom = d.reportedViewTo = doc.first;\n // Information about the rendered lines.\n d.view = [];\n d.renderedView = null;\n // Holds info about a single rendered line when it was rendered\n // for measurement, while not in view.\n d.externalMeasured = null;\n // Empty space (in pixels) above the view\n d.viewOffset = 0;\n d.lastWrapHeight = d.lastWrapWidth = 0;\n d.updateLineNumbers = null;\n\n d.nativeBarWidth = d.barHeight = d.barWidth = 0;\n d.scrollbarsClipped = false;\n\n // Used to only resize the line number gutter when necessary (when\n // the amount of lines crosses a boundary that makes its width change)\n d.lineNumWidth = d.lineNumInnerWidth = d.lineNumChars = null;\n // Set to true when a non-horizontal-scrolling line widget is\n // added. As an optimization, line widget aligning is skipped when\n // this is false.\n d.alignWidgets = false;\n\n d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null;\n\n // Tracks the maximum line length so that the horizontal scrollbar\n // can be kept static when scrolling.\n d.maxLine = null;\n d.maxLineLength = 0;\n d.maxLineChanged = false;\n\n // Used for measuring wheel scrolling granularity\n d.wheelDX = d.wheelDY = d.wheelStartX = d.wheelStartY = null;\n\n // True when shift is held down.\n d.shift = false;\n\n // Used to track whether anything happened since the context menu\n // was opened.\n d.selForContextMenu = null;\n\n d.activeTouch = null;\n\n input.init(d);\n}\n\n// Find the line object corresponding to the given line number.\nfunction getLine(doc, n) {\n n -= doc.first;\n if (n < 0 || n >= doc.size) { throw new Error("There is no line " + (n + doc.first) + " in the document.") }\n var chunk = doc;\n while (!chunk.lines) {\n for (var i = 0;; ++i) {\n var child = chunk.children[i], sz = child.chunkSize();\n if (n < sz) { chunk = child; break }\n n -= sz;\n }\n }\n return chunk.lines[n]\n}\n\n// Get the part of a document between two positions, as an array of\n// strings.\nfunction getBetween(doc, start, end) {\n var out = [], n = start.line;\n doc.iter(start.line, end.line + 1, function (line) {\n var text = line.text;\n if (n == end.line) { text = text.slice(0, end.ch); }\n if (n == start.line) { text = text.slice(start.ch); }\n out.push(text);\n ++n;\n });\n return out\n}\n// Get the lines between from and to, as array of strings.\nfunction getLines(doc, from, to) {\n var out = [];\n doc.iter(from, to, function (line) { out.push(line.text); }); // iter aborts when callback returns truthy value\n return out\n}\n\n// Update the height of a line, propagating the height change\n// upwards to parent nodes.\nfunction updateLineHeight(line, height) {\n var diff = height - line.height;\n if (diff) { for (var n = line; n; n = n.parent) { n.height += diff; } }\n}\n\n// Given a line object, find its line number by walking up through\n// its parent links.\nfunction lineNo(line) {\n if (line.parent == null) { return null }\n var cur = line.parent, no = indexOf(cur.lines, line);\n for (var chunk = cur.parent; chunk; cur = chunk, chunk = chunk.parent) {\n for (var i = 0;; ++i) {\n if (chunk.children[i] == cur) { break }\n no += chunk.children[i].chunkSize();\n }\n }\n return no + cur.first\n}\n\n// Find the line at the given vertical position, using the height\n// information in the document tree.\nfunction lineAtHeight(chunk, h) {\n var n = chunk.first;\n outer: do {\n for (var i$1 = 0; i$1 < chunk.children.length; ++i$1) {\n var child = chunk.children[i$1], ch = child.height;\n if (h < ch) { chunk = child; continue outer }\n h -= ch;\n n += child.chunkSize();\n }\n return n\n } while (!chunk.lines)\n var i = 0;\n for (; i < chunk.lines.length; ++i) {\n var line = chunk.lines[i], lh = line.height;\n if (h < lh) { break }\n h -= lh;\n }\n return n + i\n}\n\nfunction isLine(doc, l) {return l >= doc.first && l < doc.first + doc.size}\n\nfunction lineNumberFor(options, i) {\n return String(options.lineNumberFormatter(i + options.firstLineNumber))\n}\n\n// A Pos instance represents a position within the text.\nfunction Pos(line, ch, sticky) {\n if ( sticky === void 0 ) sticky = null;\n\n if (!(this instanceof Pos)) { return new Pos(line, ch, sticky) }\n this.line = line;\n this.ch = ch;\n this.sticky = sticky;\n}\n\n// Compare two positions, return 0 if they are the same, a negative\n// number when a is less, and a positive number otherwise.\nfunction cmp(a, b) { return a.line - b.line || a.ch - b.ch }\n\nfunction equalCursorPos(a, b) { return a.sticky == b.sticky && cmp(a, b) == 0 }\n\nfunction copyPos(x) {return Pos(x.line, x.ch)}\nfunction maxPos(a, b) { return cmp(a, b) < 0 ? b : a }\nfunction minPos(a, b) { return cmp(a, b) < 0 ? a : b }\n\n// Most of the external API clips given positions to make sure they\n// actually exist within the document.\nfunction clipLine(doc, n) {return Math.max(doc.first, Math.min(n, doc.first + doc.size - 1))}\nfunction clipPos(doc, pos) {\n if (pos.line < doc.first) { return Pos(doc.first, 0) }\n var last = doc.first + doc.size - 1;\n if (pos.line > last) { return Pos(last, getLine(doc, last).text.length) }\n return clipToLen(pos, getLine(doc, pos.line).text.length)\n}\nfunction clipToLen(pos, linelen) {\n var ch = pos.ch;\n if (ch == null || ch > linelen) { return Pos(pos.line, linelen) }\n else if (ch < 0) { return Pos(pos.line, 0) }\n else { return pos }\n}\nfunction clipPosArray(doc, array) {\n var out = [];\n for (var i = 0; i < array.length; i++) { out[i] = clipPos(doc, array[i]); }\n return out\n}\n\n// Optimize some code when these features are not used.\nvar sawReadOnlySpans = false;\nvar sawCollapsedSpans = false;\n\nfunction seeReadOnlySpans() {\n sawReadOnlySpans = true;\n}\n\nfunction seeCollapsedSpans() {\n sawCollapsedSpans = true;\n}\n\n// TEXTMARKER SPANS\n\nfunction MarkedSpan(marker, from, to) {\n this.marker = marker;\n this.from = from; this.to = to;\n}\n\n// Search an array of spans for a span matching the given marker.\nfunction getMarkedSpanFor(spans, marker) {\n if (spans) { for (var i = 0; i < spans.length; ++i) {\n var span = spans[i];\n if (span.marker == marker) { return span }\n } }\n}\n// Remove a span from an array, returning undefined if no spans are\n// left (we don\'t store arrays for lines without spans).\nfunction removeMarkedSpan(spans, span) {\n var r;\n for (var i = 0; i < spans.length; ++i)\n { if (spans[i] != span) { (r || (r = [])).push(spans[i]); } }\n return r\n}\n// Add a span to a line.\nfunction addMarkedSpan(line, span) {\n line.markedSpans = line.markedSpans ? line.markedSpans.concat([span]) : [span];\n span.marker.attachLine(line);\n}\n\n// Used for the algorithm that adjusts markers for a change in the\n// document. These functions cut an array of spans at a given\n// character position, returning an array of remaining chunks (or\n// undefined if nothing remains).\nfunction markedSpansBefore(old, startCh, isInsert) {\n var nw;\n if (old) { for (var i = 0; i < old.length; ++i) {\n var span = old[i], marker = span.marker;\n var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= startCh : span.from < startCh);\n if (startsBefore || span.from == startCh && marker.type == "bookmark" && (!isInsert || !span.marker.insertLeft)) {\n var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= startCh : span.to > startCh);(nw || (nw = [])).push(new MarkedSpan(marker, span.from, endsAfter ? null : span.to));\n }\n } }\n return nw\n}\nfunction markedSpansAfter(old, endCh, isInsert) {\n var nw;\n if (old) { for (var i = 0; i < old.length; ++i) {\n var span = old[i], marker = span.marker;\n var endsAfter = span.to == null || (marker.inclusiveRight ? span.to >= endCh : span.to > endCh);\n if (endsAfter || span.from == endCh && marker.type == "bookmark" && (!isInsert || span.marker.insertLeft)) {\n var startsBefore = span.from == null || (marker.inclusiveLeft ? span.from <= endCh : span.from < endCh);(nw || (nw = [])).push(new MarkedSpan(marker, startsBefore ? null : span.from - endCh,\n span.to == null ? null : span.to - endCh));\n }\n } }\n return nw\n}\n\n// Given a change object, compute the new set of marker spans that\n// cover the line in which the change took place. Removes spans\n// entirely within the change, reconnects spans belonging to the\n// same marker that appear on both sides of the change, and cuts off\n// spans partially within the change. Returns an array of span\n// arrays with one element for each line in (after) the change.\nfunction stretchSpansOverChange(doc, change) {\n if (change.full) { return null }\n var oldFirst = isLine(doc, change.from.line) && getLine(doc, change.from.line).markedSpans;\n var oldLast = isLine(doc, change.to.line) && getLine(doc, change.to.line).markedSpans;\n if (!oldFirst && !oldLast) { return null }\n\n var startCh = change.from.ch, endCh = change.to.ch, isInsert = cmp(change.from, change.to) == 0;\n // Get the spans that \'stick out\' on both sides\n var first = markedSpansBefore(oldFirst, startCh, isInsert);\n var last = markedSpansAfter(oldLast, endCh, isInsert);\n\n // Next, merge those two ends\n var sameLine = change.text.length == 1, offset = lst(change.text).length + (sameLine ? startCh : 0);\n if (first) {\n // Fix up .to properties of first\n for (var i = 0; i < first.length; ++i) {\n var span = first[i];\n if (span.to == null) {\n var found = getMarkedSpanFor(last, span.marker);\n if (!found) { span.to = startCh; }\n else if (sameLine) { span.to = found.to == null ? null : found.to + offset; }\n }\n }\n }\n if (last) {\n // Fix up .from in last (or move them into first in case of sameLine)\n for (var i$1 = 0; i$1 < last.length; ++i$1) {\n var span$1 = last[i$1];\n if (span$1.to != null) { span$1.to += offset; }\n if (span$1.from == null) {\n var found$1 = getMarkedSpanFor(first, span$1.marker);\n if (!found$1) {\n span$1.from = offset;\n if (sameLine) { (first || (first = [])).push(span$1); }\n }\n } else {\n span$1.from += offset;\n if (sameLine) { (first || (first = [])).push(span$1); }\n }\n }\n }\n // Make sure we didn\'t create any zero-length spans\n if (first) { first = clearEmptySpans(first); }\n if (last && last != first) { last = clearEmptySpans(last); }\n\n var newMarkers = [first];\n if (!sameLine) {\n // Fill gap with whole-line-spans\n var gap = change.text.length - 2, gapMarkers;\n if (gap > 0 && first)\n { for (var i$2 = 0; i$2 < first.length; ++i$2)\n { if (first[i$2].to == null)\n { (gapMarkers || (gapMarkers = [])).push(new MarkedSpan(first[i$2].marker, null, null)); } } }\n for (var i$3 = 0; i$3 < gap; ++i$3)\n { newMarkers.push(gapMarkers); }\n newMarkers.push(last);\n }\n return newMarkers\n}\n\n// Remove spans that are empty and don\'t have a clearWhenEmpty\n// option of false.\nfunction clearEmptySpans(spans) {\n for (var i = 0; i < spans.length; ++i) {\n var span = spans[i];\n if (span.from != null && span.from == span.to && span.marker.clearWhenEmpty !== false)\n { spans.splice(i--, 1); }\n }\n if (!spans.length) { return null }\n return spans\n}\n\n// Used to \'clip\' out readOnly ranges when making a change.\nfunction removeReadOnlyRanges(doc, from, to) {\n var markers = null;\n doc.iter(from.line, to.line + 1, function (line) {\n if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) {\n var mark = line.markedSpans[i].marker;\n if (mark.readOnly && (!markers || indexOf(markers, mark) == -1))\n { (markers || (markers = [])).push(mark); }\n } }\n });\n if (!markers) { return null }\n var parts = [{from: from, to: to}];\n for (var i = 0; i < markers.length; ++i) {\n var mk = markers[i], m = mk.find(0);\n for (var j = 0; j < parts.length; ++j) {\n var p = parts[j];\n if (cmp(p.to, m.from) < 0 || cmp(p.from, m.to) > 0) { continue }\n var newParts = [j, 1], dfrom = cmp(p.from, m.from), dto = cmp(p.to, m.to);\n if (dfrom < 0 || !mk.inclusiveLeft && !dfrom)\n { newParts.push({from: p.from, to: m.from}); }\n if (dto > 0 || !mk.inclusiveRight && !dto)\n { newParts.push({from: m.to, to: p.to}); }\n parts.splice.apply(parts, newParts);\n j += newParts.length - 3;\n }\n }\n return parts\n}\n\n// Connect or disconnect spans from a line.\nfunction detachMarkedSpans(line) {\n var spans = line.markedSpans;\n if (!spans) { return }\n for (var i = 0; i < spans.length; ++i)\n { spans[i].marker.detachLine(line); }\n line.markedSpans = null;\n}\nfunction attachMarkedSpans(line, spans) {\n if (!spans) { return }\n for (var i = 0; i < spans.length; ++i)\n { spans[i].marker.attachLine(line); }\n line.markedSpans = spans;\n}\n\n// Helpers used when computing which overlapping collapsed span\n// counts as the larger one.\nfunction extraLeft(marker) { return marker.inclusiveLeft ? -1 : 0 }\nfunction extraRight(marker) { return marker.inclusiveRight ? 1 : 0 }\n\n// Returns a number indicating which of two overlapping collapsed\n// spans is larger (and thus includes the other). Falls back to\n// comparing ids when the spans cover exactly the same range.\nfunction compareCollapsedMarkers(a, b) {\n var lenDiff = a.lines.length - b.lines.length;\n if (lenDiff != 0) { return lenDiff }\n var aPos = a.find(), bPos = b.find();\n var fromCmp = cmp(aPos.from, bPos.from) || extraLeft(a) - extraLeft(b);\n if (fromCmp) { return -fromCmp }\n var toCmp = cmp(aPos.to, bPos.to) || extraRight(a) - extraRight(b);\n if (toCmp) { return toCmp }\n return b.id - a.id\n}\n\n// Find out whether a line ends or starts in a collapsed span. If\n// so, return the marker for that span.\nfunction collapsedSpanAtSide(line, start) {\n var sps = sawCollapsedSpans && line.markedSpans, found;\n if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) {\n sp = sps[i];\n if (sp.marker.collapsed && (start ? sp.from : sp.to) == null &&\n (!found || compareCollapsedMarkers(found, sp.marker) < 0))\n { found = sp.marker; }\n } }\n return found\n}\nfunction collapsedSpanAtStart(line) { return collapsedSpanAtSide(line, true) }\nfunction collapsedSpanAtEnd(line) { return collapsedSpanAtSide(line, false) }\n\n// Test whether there exists a collapsed span that partially\n// overlaps (covers the start or end, but not both) of a new span.\n// Such overlap is not allowed.\nfunction conflictingCollapsedRange(doc, lineNo$$1, from, to, marker) {\n var line = getLine(doc, lineNo$$1);\n var sps = sawCollapsedSpans && line.markedSpans;\n if (sps) { for (var i = 0; i < sps.length; ++i) {\n var sp = sps[i];\n if (!sp.marker.collapsed) { continue }\n var found = sp.marker.find(0);\n var fromCmp = cmp(found.from, from) || extraLeft(sp.marker) - extraLeft(marker);\n var toCmp = cmp(found.to, to) || extraRight(sp.marker) - extraRight(marker);\n if (fromCmp >= 0 && toCmp <= 0 || fromCmp <= 0 && toCmp >= 0) { continue }\n if (fromCmp <= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.to, from) >= 0 : cmp(found.to, from) > 0) ||\n fromCmp >= 0 && (sp.marker.inclusiveRight && marker.inclusiveLeft ? cmp(found.from, to) <= 0 : cmp(found.from, to) < 0))\n { return true }\n } }\n}\n\n// A visual line is a line as drawn on the screen. Folding, for\n// example, can cause multiple logical lines to appear on the same\n// visual line. This finds the start of the visual line that the\n// given line is part of (usually that is the line itself).\nfunction visualLine(line) {\n var merged;\n while (merged = collapsedSpanAtStart(line))\n { line = merged.find(-1, true).line; }\n return line\n}\n\nfunction visualLineEnd(line) {\n var merged;\n while (merged = collapsedSpanAtEnd(line))\n { line = merged.find(1, true).line; }\n return line\n}\n\n// Returns an array of logical lines that continue the visual line\n// started by the argument, or undefined if there are no such lines.\nfunction visualLineContinued(line) {\n var merged, lines;\n while (merged = collapsedSpanAtEnd(line)) {\n line = merged.find(1, true).line\n ;(lines || (lines = [])).push(line);\n }\n return lines\n}\n\n// Get the line number of the start of the visual line that the\n// given line number is part of.\nfunction visualLineNo(doc, lineN) {\n var line = getLine(doc, lineN), vis = visualLine(line);\n if (line == vis) { return lineN }\n return lineNo(vis)\n}\n\n// Get the line number of the start of the next visual line after\n// the given line.\nfunction visualLineEndNo(doc, lineN) {\n if (lineN > doc.lastLine()) { return lineN }\n var line = getLine(doc, lineN), merged;\n if (!lineIsHidden(doc, line)) { return lineN }\n while (merged = collapsedSpanAtEnd(line))\n { line = merged.find(1, true).line; }\n return lineNo(line) + 1\n}\n\n// Compute whether a line is hidden. Lines count as hidden when they\n// are part of a visual line that starts with another line, or when\n// they are entirely covered by collapsed, non-widget span.\nfunction lineIsHidden(doc, line) {\n var sps = sawCollapsedSpans && line.markedSpans;\n if (sps) { for (var sp = (void 0), i = 0; i < sps.length; ++i) {\n sp = sps[i];\n if (!sp.marker.collapsed) { continue }\n if (sp.from == null) { return true }\n if (sp.marker.widgetNode) { continue }\n if (sp.from == 0 && sp.marker.inclusiveLeft && lineIsHiddenInner(doc, line, sp))\n { return true }\n } }\n}\nfunction lineIsHiddenInner(doc, line, span) {\n if (span.to == null) {\n var end = span.marker.find(1, true);\n return lineIsHiddenInner(doc, end.line, getMarkedSpanFor(end.line.markedSpans, span.marker))\n }\n if (span.marker.inclusiveRight && span.to == line.text.length)\n { return true }\n for (var sp = (void 0), i = 0; i < line.markedSpans.length; ++i) {\n sp = line.markedSpans[i];\n if (sp.marker.collapsed && !sp.marker.widgetNode && sp.from == span.to &&\n (sp.to == null || sp.to != span.from) &&\n (sp.marker.inclusiveLeft || span.marker.inclusiveRight) &&\n lineIsHiddenInner(doc, line, sp)) { return true }\n }\n}\n\n// Find the height above the given line.\nfunction heightAtLine(lineObj) {\n lineObj = visualLine(lineObj);\n\n var h = 0, chunk = lineObj.parent;\n for (var i = 0; i < chunk.lines.length; ++i) {\n var line = chunk.lines[i];\n if (line == lineObj) { break }\n else { h += line.height; }\n }\n for (var p = chunk.parent; p; chunk = p, p = chunk.parent) {\n for (var i$1 = 0; i$1 < p.children.length; ++i$1) {\n var cur = p.children[i$1];\n if (cur == chunk) { break }\n else { h += cur.height; }\n }\n }\n return h\n}\n\n// Compute the character length of a line, taking into account\n// collapsed ranges (see markText) that might hide parts, and join\n// other lines onto it.\nfunction lineLength(line) {\n if (line.height == 0) { return 0 }\n var len = line.text.length, merged, cur = line;\n while (merged = collapsedSpanAtStart(cur)) {\n var found = merged.find(0, true);\n cur = found.from.line;\n len += found.from.ch - found.to.ch;\n }\n cur = line;\n while (merged = collapsedSpanAtEnd(cur)) {\n var found$1 = merged.find(0, true);\n len -= cur.text.length - found$1.from.ch;\n cur = found$1.to.line;\n len += cur.text.length - found$1.to.ch;\n }\n return len\n}\n\n// Find the longest line in the document.\nfunction findMaxLine(cm) {\n var d = cm.display, doc = cm.doc;\n d.maxLine = getLine(doc, doc.first);\n d.maxLineLength = lineLength(d.maxLine);\n d.maxLineChanged = true;\n doc.iter(function (line) {\n var len = lineLength(line);\n if (len > d.maxLineLength) {\n d.maxLineLength = len;\n d.maxLine = line;\n }\n });\n}\n\n// BIDI HELPERS\n\nfunction iterateBidiSections(order, from, to, f) {\n if (!order) { return f(from, to, "ltr", 0) }\n var found = false;\n for (var i = 0; i < order.length; ++i) {\n var part = order[i];\n if (part.from < to && part.to > from || from == to && part.to == from) {\n f(Math.max(part.from, from), Math.min(part.to, to), part.level == 1 ? "rtl" : "ltr", i);\n found = true;\n }\n }\n if (!found) { f(from, to, "ltr"); }\n}\n\nvar bidiOther = null;\nfunction getBidiPartAt(order, ch, sticky) {\n var found;\n bidiOther = null;\n for (var i = 0; i < order.length; ++i) {\n var cur = order[i];\n if (cur.from < ch && cur.to > ch) { return i }\n if (cur.to == ch) {\n if (cur.from != cur.to && sticky == "before") { found = i; }\n else { bidiOther = i; }\n }\n if (cur.from == ch) {\n if (cur.from != cur.to && sticky != "before") { found = i; }\n else { bidiOther = i; }\n }\n }\n return found != null ? found : bidiOther\n}\n\n// Bidirectional ordering algorithm\n// See http://unicode.org/reports/tr9/tr9-13.html for the algorithm\n// that this (partially) implements.\n\n// One-char codes used for character types:\n// L (L): Left-to-Right\n// R (R): Right-to-Left\n// r (AL): Right-to-Left Arabic\n// 1 (EN): European Number\n// + (ES): European Number Separator\n// % (ET): European Number Terminator\n// n (AN): Arabic Number\n// , (CS): Common Number Separator\n// m (NSM): Non-Spacing Mark\n// b (BN): Boundary Neutral\n// s (B): Paragraph Separator\n// t (S): Segment Separator\n// w (WS): Whitespace\n// N (ON): Other Neutrals\n\n// Returns null if characters are ordered as they appear\n// (left-to-right), or an array of sections ({from, to, level}\n// objects) in the order in which they occur visually.\nvar bidiOrdering = (function() {\n // Character types for codepoints 0 to 0xff\n var lowTypes = "bbbbbbbbbtstwsbbbbbbbbbbbbbbssstwNN%%%NNNNNN,N,N1111111111NNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNNNLLLLLLLLLLLLLLLLLLLLLLLLLLNNNNbbbbbbsbbbbbbbbbbbbbbbbbbbbbbbbbb,N%%%%NNNNLNNNNN%%11NLNNN1LNNNNNLLLLLLLLLLLLLLLLLLLLLLLNLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLN";\n // Character types for codepoints 0x600 to 0x6f9\n var arabicTypes = "nnnnnnNNr%%r,rNNmmmmmmmmmmmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmmmmmmmmmmmmmmmnnnnnnnnnn%nnrrrmrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrmmmmmmmnNmmmmmmrrmmNmmmmrr1111111111";\n function charType(code) {\n if (code <= 0xf7) { return lowTypes.charAt(code) }\n else if (0x590 <= code && code <= 0x5f4) { return "R" }\n else if (0x600 <= code && code <= 0x6f9) { return arabicTypes.charAt(code - 0x600) }\n else if (0x6ee <= code && code <= 0x8ac) { return "r" }\n else if (0x2000 <= code && code <= 0x200b) { return "w" }\n else if (code == 0x200c) { return "b" }\n else { return "L" }\n }\n\n var bidiRE = /[\\u0590-\\u05f4\\u0600-\\u06ff\\u0700-\\u08ac]/;\n var isNeutral = /[stwN]/, isStrong = /[LRr]/, countsAsLeft = /[Lb1n]/, countsAsNum = /[1n]/;\n\n function BidiSpan(level, from, to) {\n this.level = level;\n this.from = from; this.to = to;\n }\n\n return function(str, direction) {\n var outerType = direction == "ltr" ? "L" : "R";\n\n if (str.length == 0 || direction == "ltr" && !bidiRE.test(str)) { return false }\n var len = str.length, types = [];\n for (var i = 0; i < len; ++i)\n { types.push(charType(str.charCodeAt(i))); }\n\n // W1. Examine each non-spacing mark (NSM) in the level run, and\n // change the type of the NSM to the type of the previous\n // character. If the NSM is at the start of the level run, it will\n // get the type of sor.\n for (var i$1 = 0, prev = outerType; i$1 < len; ++i$1) {\n var type = types[i$1];\n if (type == "m") { types[i$1] = prev; }\n else { prev = type; }\n }\n\n // W2. Search backwards from each instance of a European number\n // until the first strong type (R, L, AL, or sor) is found. If an\n // AL is found, change the type of the European number to Arabic\n // number.\n // W3. Change all ALs to R.\n for (var i$2 = 0, cur = outerType; i$2 < len; ++i$2) {\n var type$1 = types[i$2];\n if (type$1 == "1" && cur == "r") { types[i$2] = "n"; }\n else if (isStrong.test(type$1)) { cur = type$1; if (type$1 == "r") { types[i$2] = "R"; } }\n }\n\n // W4. A single European separator between two European numbers\n // changes to a European number. A single common separator between\n // two numbers of the same type changes to that type.\n for (var i$3 = 1, prev$1 = types[0]; i$3 < len - 1; ++i$3) {\n var type$2 = types[i$3];\n if (type$2 == "+" && prev$1 == "1" && types[i$3+1] == "1") { types[i$3] = "1"; }\n else if (type$2 == "," && prev$1 == types[i$3+1] &&\n (prev$1 == "1" || prev$1 == "n")) { types[i$3] = prev$1; }\n prev$1 = type$2;\n }\n\n // W5. A sequence of European terminators adjacent to European\n // numbers changes to all European numbers.\n // W6. Otherwise, separators and terminators change to Other\n // Neutral.\n for (var i$4 = 0; i$4 < len; ++i$4) {\n var type$3 = types[i$4];\n if (type$3 == ",") { types[i$4] = "N"; }\n else if (type$3 == "%") {\n var end = (void 0);\n for (end = i$4 + 1; end < len && types[end] == "%"; ++end) {}\n var replace = (i$4 && types[i$4-1] == "!") || (end < len && types[end] == "1") ? "1" : "N";\n for (var j = i$4; j < end; ++j) { types[j] = replace; }\n i$4 = end - 1;\n }\n }\n\n // W7. Search backwards from each instance of a European number\n // until the first strong type (R, L, or sor) is found. If an L is\n // found, then change the type of the European number to L.\n for (var i$5 = 0, cur$1 = outerType; i$5 < len; ++i$5) {\n var type$4 = types[i$5];\n if (cur$1 == "L" && type$4 == "1") { types[i$5] = "L"; }\n else if (isStrong.test(type$4)) { cur$1 = type$4; }\n }\n\n // N1. A sequence of neutrals takes the direction of the\n // surrounding strong text if the text on both sides has the same\n // direction. European and Arabic numbers act as if they were R in\n // terms of their influence on neutrals. Start-of-level-run (sor)\n // and end-of-level-run (eor) are used at level run boundaries.\n // N2. Any remaining neutrals take the embedding direction.\n for (var i$6 = 0; i$6 < len; ++i$6) {\n if (isNeutral.test(types[i$6])) {\n var end$1 = (void 0);\n for (end$1 = i$6 + 1; end$1 < len && isNeutral.test(types[end$1]); ++end$1) {}\n var before = (i$6 ? types[i$6-1] : outerType) == "L";\n var after = (end$1 < len ? types[end$1] : outerType) == "L";\n var replace$1 = before == after ? (before ? "L" : "R") : outerType;\n for (var j$1 = i$6; j$1 < end$1; ++j$1) { types[j$1] = replace$1; }\n i$6 = end$1 - 1;\n }\n }\n\n // Here we depart from the documented algorithm, in order to avoid\n // building up an actual levels array. Since there are only three\n // levels (0, 1, 2) in an implementation that doesn\'t take\n // explicit embedding into account, we can build up the order on\n // the fly, without following the level-based algorithm.\n var order = [], m;\n for (var i$7 = 0; i$7 < len;) {\n if (countsAsLeft.test(types[i$7])) {\n var start = i$7;\n for (++i$7; i$7 < len && countsAsLeft.test(types[i$7]); ++i$7) {}\n order.push(new BidiSpan(0, start, i$7));\n } else {\n var pos = i$7, at = order.length;\n for (++i$7; i$7 < len && types[i$7] != "L"; ++i$7) {}\n for (var j$2 = pos; j$2 < i$7;) {\n if (countsAsNum.test(types[j$2])) {\n if (pos < j$2) { order.splice(at, 0, new BidiSpan(1, pos, j$2)); }\n var nstart = j$2;\n for (++j$2; j$2 < i$7 && countsAsNum.test(types[j$2]); ++j$2) {}\n order.splice(at, 0, new BidiSpan(2, nstart, j$2));\n pos = j$2;\n } else { ++j$2; }\n }\n if (pos < i$7) { order.splice(at, 0, new BidiSpan(1, pos, i$7)); }\n }\n }\n if (direction == "ltr") {\n if (order[0].level == 1 && (m = str.match(/^\\s+/))) {\n order[0].from = m[0].length;\n order.unshift(new BidiSpan(0, 0, m[0].length));\n }\n if (lst(order).level == 1 && (m = str.match(/\\s+$/))) {\n lst(order).to -= m[0].length;\n order.push(new BidiSpan(0, len - m[0].length, len));\n }\n }\n\n return direction == "rtl" ? order.reverse() : order\n }\n})();\n\n// Get the bidi ordering for the given line (and cache it). Returns\n// false for lines that are fully left-to-right, and an array of\n// BidiSpan objects otherwise.\nfunction getOrder(line, direction) {\n var order = line.order;\n if (order == null) { order = line.order = bidiOrdering(line.text, direction); }\n return order\n}\n\n// EVENT HANDLING\n\n// Lightweight event framework. on/off also work on DOM nodes,\n// registering native DOM handlers.\n\nvar noHandlers = [];\n\nvar on = function(emitter, type, f) {\n if (emitter.addEventListener) {\n emitter.addEventListener(type, f, false);\n } else if (emitter.attachEvent) {\n emitter.attachEvent("on" + type, f);\n } else {\n var map$$1 = emitter._handlers || (emitter._handlers = {});\n map$$1[type] = (map$$1[type] || noHandlers).concat(f);\n }\n};\n\nfunction getHandlers(emitter, type) {\n return emitter._handlers && emitter._handlers[type] || noHandlers\n}\n\nfunction off(emitter, type, f) {\n if (emitter.removeEventListener) {\n emitter.removeEventListener(type, f, false);\n } else if (emitter.detachEvent) {\n emitter.detachEvent("on" + type, f);\n } else {\n var map$$1 = emitter._handlers, arr = map$$1 && map$$1[type];\n if (arr) {\n var index = indexOf(arr, f);\n if (index > -1)\n { map$$1[type] = arr.slice(0, index).concat(arr.slice(index + 1)); }\n }\n }\n}\n\nfunction signal(emitter, type /*, values...*/) {\n var handlers = getHandlers(emitter, type);\n if (!handlers.length) { return }\n var args = Array.prototype.slice.call(arguments, 2);\n for (var i = 0; i < handlers.length; ++i) { handlers[i].apply(null, args); }\n}\n\n// The DOM events that CodeMirror handles can be overridden by\n// registering a (non-DOM) handler on the editor for the event name,\n// and preventDefault-ing the event in that handler.\nfunction signalDOMEvent(cm, e, override) {\n if (typeof e == "string")\n { e = {type: e, preventDefault: function() { this.defaultPrevented = true; }}; }\n signal(cm, override || e.type, cm, e);\n return e_defaultPrevented(e) || e.codemirrorIgnore\n}\n\nfunction signalCursorActivity(cm) {\n var arr = cm._handlers && cm._handlers.cursorActivity;\n if (!arr) { return }\n var set = cm.curOp.cursorActivityHandlers || (cm.curOp.cursorActivityHandlers = []);\n for (var i = 0; i < arr.length; ++i) { if (indexOf(set, arr[i]) == -1)\n { set.push(arr[i]); } }\n}\n\nfunction hasHandler(emitter, type) {\n return getHandlers(emitter, type).length > 0\n}\n\n// Add on and off methods to a constructor\'s prototype, to make\n// registering events on such objects more convenient.\nfunction eventMixin(ctor) {\n ctor.prototype.on = function(type, f) {on(this, type, f);};\n ctor.prototype.off = function(type, f) {off(this, type, f);};\n}\n\n// Due to the fact that we still support jurassic IE versions, some\n// compatibility wrappers are needed.\n\nfunction e_preventDefault(e) {\n if (e.preventDefault) { e.preventDefault(); }\n else { e.returnValue = false; }\n}\nfunction e_stopPropagation(e) {\n if (e.stopPropagation) { e.stopPropagation(); }\n else { e.cancelBubble = true; }\n}\nfunction e_defaultPrevented(e) {\n return e.defaultPrevented != null ? e.defaultPrevented : e.returnValue == false\n}\nfunction e_stop(e) {e_preventDefault(e); e_stopPropagation(e);}\n\nfunction e_target(e) {return e.target || e.srcElement}\nfunction e_button(e) {\n var b = e.which;\n if (b == null) {\n if (e.button & 1) { b = 1; }\n else if (e.button & 2) { b = 3; }\n else if (e.button & 4) { b = 2; }\n }\n if (mac && e.ctrlKey && b == 1) { b = 3; }\n return b\n}\n\n// Detect drag-and-drop\nvar dragAndDrop = function() {\n // There is *some* kind of drag-and-drop support in IE6-8, but I\n // couldn\'t get it to work yet.\n if (ie && ie_version < 9) { return false }\n var div = elt(\'div\');\n return "draggable" in div || "dragDrop" in div\n}();\n\nvar zwspSupported;\nfunction zeroWidthElement(measure) {\n if (zwspSupported == null) {\n var test = elt("span", "\\u200b");\n removeChildrenAndAdd(measure, elt("span", [test, document.createTextNode("x")]));\n if (measure.firstChild.offsetHeight != 0)\n { zwspSupported = test.offsetWidth <= 1 && test.offsetHeight > 2 && !(ie && ie_version < 8); }\n }\n var node = zwspSupported ? elt("span", "\\u200b") :\n elt("span", "\\u00a0", null, "display: inline-block; width: 1px; margin-right: -1px");\n node.setAttribute("cm-text", "");\n return node\n}\n\n// Feature-detect IE\'s crummy client rect reporting for bidi text\nvar badBidiRects;\nfunction hasBadBidiRects(measure) {\n if (badBidiRects != null) { return badBidiRects }\n var txt = removeChildrenAndAdd(measure, document.createTextNode("A\\u062eA"));\n var r0 = range(txt, 0, 1).getBoundingClientRect();\n var r1 = range(txt, 1, 2).getBoundingClientRect();\n removeChildren(measure);\n if (!r0 || r0.left == r0.right) { return false } // Safari returns null in some cases (#2780)\n return badBidiRects = (r1.right - r0.right < 3)\n}\n\n// See if "".split is the broken IE version, if so, provide an\n// alternative way to split lines.\nvar splitLinesAuto = "\\n\\nb".split(/\\n/).length != 3 ? function (string) {\n var pos = 0, result = [], l = string.length;\n while (pos <= l) {\n var nl = string.indexOf("\\n", pos);\n if (nl == -1) { nl = string.length; }\n var line = string.slice(pos, string.charAt(nl - 1) == "\\r" ? nl - 1 : nl);\n var rt = line.indexOf("\\r");\n if (rt != -1) {\n result.push(line.slice(0, rt));\n pos += rt + 1;\n } else {\n result.push(line);\n pos = nl + 1;\n }\n }\n return result\n} : function (string) { return string.split(/\\r\\n?|\\n/); };\n\nvar hasSelection = window.getSelection ? function (te) {\n try { return te.selectionStart != te.selectionEnd }\n catch(e) { return false }\n} : function (te) {\n var range$$1;\n try {range$$1 = te.ownerDocument.selection.createRange();}\n catch(e) {}\n if (!range$$1 || range$$1.parentElement() != te) { return false }\n return range$$1.compareEndPoints("StartToEnd", range$$1) != 0\n};\n\nvar hasCopyEvent = (function () {\n var e = elt("div");\n if ("oncopy" in e) { return true }\n e.setAttribute("oncopy", "return;");\n return typeof e.oncopy == "function"\n})();\n\nvar badZoomedRects = null;\nfunction hasBadZoomedRects(measure) {\n if (badZoomedRects != null) { return badZoomedRects }\n var node = removeChildrenAndAdd(measure, elt("span", "x"));\n var normal = node.getBoundingClientRect();\n var fromRange = range(node, 0, 1).getBoundingClientRect();\n return badZoomedRects = Math.abs(normal.left - fromRange.left) > 1\n}\n\n// Known modes, by name and by MIME\nvar modes = {};\nvar mimeModes = {};\n\n// Extra arguments are stored as the mode\'s dependencies, which is\n// used by (legacy) mechanisms like loadmode.js to automatically\n// load a mode. (Preferred mechanism is the require/define calls.)\nfunction defineMode(name, mode) {\n if (arguments.length > 2)\n { mode.dependencies = Array.prototype.slice.call(arguments, 2); }\n modes[name] = mode;\n}\n\nfunction defineMIME(mime, spec) {\n mimeModes[mime] = spec;\n}\n\n// Given a MIME type, a {name, ...options} config object, or a name\n// string, return a mode config object.\nfunction resolveMode(spec) {\n if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) {\n spec = mimeModes[spec];\n } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) {\n var found = mimeModes[spec.name];\n if (typeof found == "string") { found = {name: found}; }\n spec = createObj(found, spec);\n spec.name = found.name;\n } else if (typeof spec == "string" && /^[\\w\\-]+\\/[\\w\\-]+\\+xml$/.test(spec)) {\n return resolveMode("application/xml")\n } else if (typeof spec == "string" && /^[\\w\\-]+\\/[\\w\\-]+\\+json$/.test(spec)) {\n return resolveMode("application/json")\n }\n if (typeof spec == "string") { return {name: spec} }\n else { return spec || {name: "null"} }\n}\n\n// Given a mode spec (anything that resolveMode accepts), find and\n// initialize an actual mode object.\nfunction getMode(options, spec) {\n spec = resolveMode(spec);\n var mfactory = modes[spec.name];\n if (!mfactory) { return getMode(options, "text/plain") }\n var modeObj = mfactory(options, spec);\n if (modeExtensions.hasOwnProperty(spec.name)) {\n var exts = modeExtensions[spec.name];\n for (var prop in exts) {\n if (!exts.hasOwnProperty(prop)) { continue }\n if (modeObj.hasOwnProperty(prop)) { modeObj["_" + prop] = modeObj[prop]; }\n modeObj[prop] = exts[prop];\n }\n }\n modeObj.name = spec.name;\n if (spec.helperType) { modeObj.helperType = spec.helperType; }\n if (spec.modeProps) { for (var prop$1 in spec.modeProps)\n { modeObj[prop$1] = spec.modeProps[prop$1]; } }\n\n return modeObj\n}\n\n// This can be used to attach properties to mode objects from\n// outside the actual mode definition.\nvar modeExtensions = {};\nfunction extendMode(mode, properties) {\n var exts = modeExtensions.hasOwnProperty(mode) ? modeExtensions[mode] : (modeExtensions[mode] = {});\n copyObj(properties, exts);\n}\n\nfunction copyState(mode, state) {\n if (state === true) { return state }\n if (mode.copyState) { return mode.copyState(state) }\n var nstate = {};\n for (var n in state) {\n var val = state[n];\n if (val instanceof Array) { val = val.concat([]); }\n nstate[n] = val;\n }\n return nstate\n}\n\n// Given a mode and a state (for that mode), find the inner mode and\n// state at the position that the state refers to.\nfunction innerMode(mode, state) {\n var info;\n while (mode.innerMode) {\n info = mode.innerMode(state);\n if (!info || info.mode == mode) { break }\n state = info.state;\n mode = info.mode;\n }\n return info || {mode: mode, state: state}\n}\n\nfunction startState(mode, a1, a2) {\n return mode.startState ? mode.startState(a1, a2) : true\n}\n\n// STRING STREAM\n\n// Fed to the mode parsers, provides helper functions to make\n// parsers more succinct.\n\nvar StringStream = function(string, tabSize, lineOracle) {\n this.pos = this.start = 0;\n this.string = string;\n this.tabSize = tabSize || 8;\n this.lastColumnPos = this.lastColumnValue = 0;\n this.lineStart = 0;\n this.lineOracle = lineOracle;\n};\n\nStringStream.prototype.eol = function () {return this.pos >= this.string.length};\nStringStream.prototype.sol = function () {return this.pos == this.lineStart};\nStringStream.prototype.peek = function () {return this.string.charAt(this.pos) || undefined};\nStringStream.prototype.next = function () {\n if (this.pos < this.string.length)\n { return this.string.charAt(this.pos++) }\n};\nStringStream.prototype.eat = function (match) {\n var ch = this.string.charAt(this.pos);\n var ok;\n if (typeof match == "string") { ok = ch == match; }\n else { ok = ch && (match.test ? match.test(ch) : match(ch)); }\n if (ok) {++this.pos; return ch}\n};\nStringStream.prototype.eatWhile = function (match) {\n var start = this.pos;\n while (this.eat(match)){}\n return this.pos > start\n};\nStringStream.prototype.eatSpace = function () {\n var this$1 = this;\n\n var start = this.pos;\n while (/[\\s\\u00a0]/.test(this.string.charAt(this.pos))) { ++this$1.pos; }\n return this.pos > start\n};\nStringStream.prototype.skipToEnd = function () {this.pos = this.string.length;};\nStringStream.prototype.skipTo = function (ch) {\n var found = this.string.indexOf(ch, this.pos);\n if (found > -1) {this.pos = found; return true}\n};\nStringStream.prototype.backUp = function (n) {this.pos -= n;};\nStringStream.prototype.column = function () {\n if (this.lastColumnPos < this.start) {\n this.lastColumnValue = countColumn(this.string, this.start, this.tabSize, this.lastColumnPos, this.lastColumnValue);\n this.lastColumnPos = this.start;\n }\n return this.lastColumnValue - (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)\n};\nStringStream.prototype.indentation = function () {\n return countColumn(this.string, null, this.tabSize) -\n (this.lineStart ? countColumn(this.string, this.lineStart, this.tabSize) : 0)\n};\nStringStream.prototype.match = function (pattern, consume, caseInsensitive) {\n if (typeof pattern == "string") {\n var cased = function (str) { return caseInsensitive ? str.toLowerCase() : str; };\n var substr = this.string.substr(this.pos, pattern.length);\n if (cased(substr) == cased(pattern)) {\n if (consume !== false) { this.pos += pattern.length; }\n return true\n }\n } else {\n var match = this.string.slice(this.pos).match(pattern);\n if (match && match.index > 0) { return null }\n if (match && consume !== false) { this.pos += match[0].length; }\n return match\n }\n};\nStringStream.prototype.current = function (){return this.string.slice(this.start, this.pos)};\nStringStream.prototype.hideFirstChars = function (n, inner) {\n this.lineStart += n;\n try { return inner() }\n finally { this.lineStart -= n; }\n};\nStringStream.prototype.lookAhead = function (n) {\n var oracle = this.lineOracle;\n return oracle && oracle.lookAhead(n)\n};\nStringStream.prototype.baseToken = function () {\n var oracle = this.lineOracle;\n return oracle && oracle.baseToken(this.pos)\n};\n\nvar SavedContext = function(state, lookAhead) {\n this.state = state;\n this.lookAhead = lookAhead;\n};\n\nvar Context = function(doc, state, line, lookAhead) {\n this.state = state;\n this.doc = doc;\n this.line = line;\n this.maxLookAhead = lookAhead || 0;\n this.baseTokens = null;\n this.baseTokenPos = 1;\n};\n\nContext.prototype.lookAhead = function (n) {\n var line = this.doc.getLine(this.line + n);\n if (line != null && n > this.maxLookAhead) { this.maxLookAhead = n; }\n return line\n};\n\nContext.prototype.baseToken = function (n) {\n var this$1 = this;\n\n if (!this.baseTokens) { return null }\n while (this.baseTokens[this.baseTokenPos] <= n)\n { this$1.baseTokenPos += 2; }\n var type = this.baseTokens[this.baseTokenPos + 1];\n return {type: type && type.replace(/( |^)overlay .*/, ""),\n size: this.baseTokens[this.baseTokenPos] - n}\n};\n\nContext.prototype.nextLine = function () {\n this.line++;\n if (this.maxLookAhead > 0) { this.maxLookAhead--; }\n};\n\nContext.fromSaved = function (doc, saved, line) {\n if (saved instanceof SavedContext)\n { return new Context(doc, copyState(doc.mode, saved.state), line, saved.lookAhead) }\n else\n { return new Context(doc, copyState(doc.mode, saved), line) }\n};\n\nContext.prototype.save = function (copy) {\n var state = copy !== false ? copyState(this.doc.mode, this.state) : this.state;\n return this.maxLookAhead > 0 ? new SavedContext(state, this.maxLookAhead) : state\n};\n\n\n// Compute a style array (an array starting with a mode generation\n// -- for invalidation -- followed by pairs of end positions and\n// style strings), which is used to highlight the tokens on the\n// line.\nfunction highlightLine(cm, line, context, forceToEnd) {\n // A styles array always starts with a number identifying the\n // mode/overlays that it is based on (for easy invalidation).\n var st = [cm.state.modeGen], lineClasses = {};\n // Compute the base array of styles\n runMode(cm, line.text, cm.doc.mode, context, function (end, style) { return st.push(end, style); },\n lineClasses, forceToEnd);\n var state = context.state;\n\n // Run overlays, adjust style array.\n var loop = function ( o ) {\n context.baseTokens = st;\n var overlay = cm.state.overlays[o], i = 1, at = 0;\n context.state = true;\n runMode(cm, line.text, overlay.mode, context, function (end, style) {\n var start = i;\n // Ensure there\'s a token end at the current position, and that i points at it\n while (at < end) {\n var i_end = st[i];\n if (i_end > end)\n { st.splice(i, 1, end, st[i+1], i_end); }\n i += 2;\n at = Math.min(end, i_end);\n }\n if (!style) { return }\n if (overlay.opaque) {\n st.splice(start, i - start, end, "overlay " + style);\n i = start + 2;\n } else {\n for (; start < i; start += 2) {\n var cur = st[start+1];\n st[start+1] = (cur ? cur + " " : "") + "overlay " + style;\n }\n }\n }, lineClasses);\n context.state = state;\n context.baseTokens = null;\n context.baseTokenPos = 1;\n };\n\n for (var o = 0; o < cm.state.overlays.length; ++o) loop( o );\n\n return {styles: st, classes: lineClasses.bgClass || lineClasses.textClass ? lineClasses : null}\n}\n\nfunction getLineStyles(cm, line, updateFrontier) {\n if (!line.styles || line.styles[0] != cm.state.modeGen) {\n var context = getContextBefore(cm, lineNo(line));\n var resetState = line.text.length > cm.options.maxHighlightLength && copyState(cm.doc.mode, context.state);\n var result = highlightLine(cm, line, context);\n if (resetState) { context.state = resetState; }\n line.stateAfter = context.save(!resetState);\n line.styles = result.styles;\n if (result.classes) { line.styleClasses = result.classes; }\n else if (line.styleClasses) { line.styleClasses = null; }\n if (updateFrontier === cm.doc.highlightFrontier)\n { cm.doc.modeFrontier = Math.max(cm.doc.modeFrontier, ++cm.doc.highlightFrontier); }\n }\n return line.styles\n}\n\nfunction getContextBefore(cm, n, precise) {\n var doc = cm.doc, display = cm.display;\n if (!doc.mode.startState) { return new Context(doc, true, n) }\n var start = findStartLine(cm, n, precise);\n var saved = start > doc.first && getLine(doc, start - 1).stateAfter;\n var context = saved ? Context.fromSaved(doc, saved, start) : new Context(doc, startState(doc.mode), start);\n\n doc.iter(start, n, function (line) {\n processLine(cm, line.text, context);\n var pos = context.line;\n line.stateAfter = pos == n - 1 || pos % 5 == 0 || pos >= display.viewFrom && pos < display.viewTo ? context.save() : null;\n context.nextLine();\n });\n if (precise) { doc.modeFrontier = context.line; }\n return context\n}\n\n// Lightweight form of highlight -- proceed over this line and\n// update state, but don\'t save a style array. Used for lines that\n// aren\'t currently visible.\nfunction processLine(cm, text, context, startAt) {\n var mode = cm.doc.mode;\n var stream = new StringStream(text, cm.options.tabSize, context);\n stream.start = stream.pos = startAt || 0;\n if (text == "") { callBlankLine(mode, context.state); }\n while (!stream.eol()) {\n readToken(mode, stream, context.state);\n stream.start = stream.pos;\n }\n}\n\nfunction callBlankLine(mode, state) {\n if (mode.blankLine) { return mode.blankLine(state) }\n if (!mode.innerMode) { return }\n var inner = innerMode(mode, state);\n if (inner.mode.blankLine) { return inner.mode.blankLine(inner.state) }\n}\n\nfunction readToken(mode, stream, state, inner) {\n for (var i = 0; i < 10; i++) {\n if (inner) { inner[0] = innerMode(mode, state).mode; }\n var style = mode.token(stream, state);\n if (stream.pos > stream.start) { return style }\n }\n throw new Error("Mode " + mode.name + " failed to advance stream.")\n}\n\nvar Token = function(stream, type, state) {\n this.start = stream.start; this.end = stream.pos;\n this.string = stream.current();\n this.type = type || null;\n this.state = state;\n};\n\n// Utility for getTokenAt and getLineTokens\nfunction takeToken(cm, pos, precise, asArray) {\n var doc = cm.doc, mode = doc.mode, style;\n pos = clipPos(doc, pos);\n var line = getLine(doc, pos.line), context = getContextBefore(cm, pos.line, precise);\n var stream = new StringStream(line.text, cm.options.tabSize, context), tokens;\n if (asArray) { tokens = []; }\n while ((asArray || stream.pos < pos.ch) && !stream.eol()) {\n stream.start = stream.pos;\n style = readToken(mode, stream, context.state);\n if (asArray) { tokens.push(new Token(stream, style, copyState(doc.mode, context.state))); }\n }\n return asArray ? tokens : new Token(stream, style, context.state)\n}\n\nfunction extractLineClasses(type, output) {\n if (type) { for (;;) {\n var lineClass = type.match(/(?:^|\\s+)line-(background-)?(\\S+)/);\n if (!lineClass) { break }\n type = type.slice(0, lineClass.index) + type.slice(lineClass.index + lineClass[0].length);\n var prop = lineClass[1] ? "bgClass" : "textClass";\n if (output[prop] == null)\n { output[prop] = lineClass[2]; }\n else if (!(new RegExp("(?:^|\\s)" + lineClass[2] + "(?:$|\\s)")).test(output[prop]))\n { output[prop] += " " + lineClass[2]; }\n } }\n return type\n}\n\n// Run the given mode\'s parser over a line, calling f for each token.\nfunction runMode(cm, text, mode, context, f, lineClasses, forceToEnd) {\n var flattenSpans = mode.flattenSpans;\n if (flattenSpans == null) { flattenSpans = cm.options.flattenSpans; }\n var curStart = 0, curStyle = null;\n var stream = new StringStream(text, cm.options.tabSize, context), style;\n var inner = cm.options.addModeClass && [null];\n if (text == "") { extractLineClasses(callBlankLine(mode, context.state), lineClasses); }\n while (!stream.eol()) {\n if (stream.pos > cm.options.maxHighlightLength) {\n flattenSpans = false;\n if (forceToEnd) { processLine(cm, text, context, stream.pos); }\n stream.pos = text.length;\n style = null;\n } else {\n style = extractLineClasses(readToken(mode, stream, context.state, inner), lineClasses);\n }\n if (inner) {\n var mName = inner[0].name;\n if (mName) { style = "m-" + (style ? mName + " " + style : mName); }\n }\n if (!flattenSpans || curStyle != style) {\n while (curStart < stream.start) {\n curStart = Math.min(stream.start, curStart + 5000);\n f(curStart, curStyle);\n }\n curStyle = style;\n }\n stream.start = stream.pos;\n }\n while (curStart < stream.pos) {\n // Webkit seems to refuse to render text nodes longer than 57444\n // characters, and returns inaccurate measurements in nodes\n // starting around 5000 chars.\n var pos = Math.min(stream.pos, curStart + 5000);\n f(pos, curStyle);\n curStart = pos;\n }\n}\n\n// Finds the line to start with when starting a parse. Tries to\n// find a line with a stateAfter, so that it can start with a\n// valid state. If that fails, it returns the line with the\n// smallest indentation, which tends to need the least context to\n// parse correctly.\nfunction findStartLine(cm, n, precise) {\n var minindent, minline, doc = cm.doc;\n var lim = precise ? -1 : n - (cm.doc.mode.innerMode ? 1000 : 100);\n for (var search = n; search > lim; --search) {\n if (search <= doc.first) { return doc.first }\n var line = getLine(doc, search - 1), after = line.stateAfter;\n if (after && (!precise || search + (after instanceof SavedContext ? after.lookAhead : 0) <= doc.modeFrontier))\n { return search }\n var indented = countColumn(line.text, null, cm.options.tabSize);\n if (minline == null || minindent > indented) {\n minline = search - 1;\n minindent = indented;\n }\n }\n return minline\n}\n\nfunction retreatFrontier(doc, n) {\n doc.modeFrontier = Math.min(doc.modeFrontier, n);\n if (doc.highlightFrontier < n - 10) { return }\n var start = doc.first;\n for (var line = n - 1; line > start; line--) {\n var saved = getLine(doc, line).stateAfter;\n // change is on 3\n // state on line 1 looked ahead 2 -- so saw 3\n // test 1 + 2 < 3 should cover this\n if (saved && (!(saved instanceof SavedContext) || line + saved.lookAhead < n)) {\n start = line + 1;\n break\n }\n }\n doc.highlightFrontier = Math.min(doc.highlightFrontier, start);\n}\n\n// LINE DATA STRUCTURE\n\n// Line objects. These hold state related to a line, including\n// highlighting info (the styles array).\nvar Line = function(text, markedSpans, estimateHeight) {\n this.text = text;\n attachMarkedSpans(this, markedSpans);\n this.height = estimateHeight ? estimateHeight(this) : 1;\n};\n\nLine.prototype.lineNo = function () { return lineNo(this) };\neventMixin(Line);\n\n// Change the content (text, markers) of a line. Automatically\n// invalidates cached information and tries to re-estimate the\n// line\'s height.\nfunction updateLine(line, text, markedSpans, estimateHeight) {\n line.text = text;\n if (line.stateAfter) { line.stateAfter = null; }\n if (line.styles) { line.styles = null; }\n if (line.order != null) { line.order = null; }\n detachMarkedSpans(line);\n attachMarkedSpans(line, markedSpans);\n var estHeight = estimateHeight ? estimateHeight(line) : 1;\n if (estHeight != line.height) { updateLineHeight(line, estHeight); }\n}\n\n// Detach a line from the document tree and its markers.\nfunction cleanUpLine(line) {\n line.parent = null;\n detachMarkedSpans(line);\n}\n\n// Convert a style as returned by a mode (either null, or a string\n// containing one or more styles) to a CSS style. This is cached,\n// and also looks for line-wide styles.\nvar styleToClassCache = {};\nvar styleToClassCacheWithMode = {};\nfunction interpretTokenStyle(style, options) {\n if (!style || /^\\s*$/.test(style)) { return null }\n var cache = options.addModeClass ? styleToClassCacheWithMode : styleToClassCache;\n return cache[style] ||\n (cache[style] = style.replace(/\\S+/g, "cm-$&"))\n}\n\n// Render the DOM representation of the text of a line. Also builds\n// up a \'line map\', which points at the DOM nodes that represent\n// specific stretches of text, and is used by the measuring code.\n// The returned object contains the DOM node, this map, and\n// information about line-wide styles that were set by the mode.\nfunction buildLineContent(cm, lineView) {\n // The padding-right forces the element to have a \'border\', which\n // is needed on Webkit to be able to get line-level bounding\n // rectangles for it (in measureChar).\n var content = eltP("span", null, null, webkit ? "padding-right: .1px" : null);\n var builder = {pre: eltP("pre", [content], "CodeMirror-line"), content: content,\n col: 0, pos: 0, cm: cm,\n trailingSpace: false,\n splitSpaces: (ie || webkit) && cm.getOption("lineWrapping")};\n lineView.measure = {};\n\n // Iterate over the logical lines that make up this visual line.\n for (var i = 0; i <= (lineView.rest ? lineView.rest.length : 0); i++) {\n var line = i ? lineView.rest[i - 1] : lineView.line, order = (void 0);\n builder.pos = 0;\n builder.addToken = buildToken;\n // Optionally wire in some hacks into the token-rendering\n // algorithm, to deal with browser quirks.\n if (hasBadBidiRects(cm.display.measure) && (order = getOrder(line, cm.doc.direction)))\n { builder.addToken = buildTokenBadBidi(builder.addToken, order); }\n builder.map = [];\n var allowFrontierUpdate = lineView != cm.display.externalMeasured && lineNo(line);\n insertLineContent(line, builder, getLineStyles(cm, line, allowFrontierUpdate));\n if (line.styleClasses) {\n if (line.styleClasses.bgClass)\n { builder.bgClass = joinClasses(line.styleClasses.bgClass, builder.bgClass || ""); }\n if (line.styleClasses.textClass)\n { builder.textClass = joinClasses(line.styleClasses.textClass, builder.textClass || ""); }\n }\n\n // Ensure at least a single node is present, for measuring.\n if (builder.map.length == 0)\n { builder.map.push(0, 0, builder.content.appendChild(zeroWidthElement(cm.display.measure))); }\n\n // Store the map and a cache object for the current logical line\n if (i == 0) {\n lineView.measure.map = builder.map;\n lineView.measure.cache = {};\n } else {\n (lineView.measure.maps || (lineView.measure.maps = [])).push(builder.map)\n ;(lineView.measure.caches || (lineView.measure.caches = [])).push({});\n }\n }\n\n // See issue #2901\n if (webkit) {\n var last = builder.content.lastChild;\n if (/\\bcm-tab\\b/.test(last.className) || (last.querySelector && last.querySelector(".cm-tab")))\n { builder.content.className = "cm-tab-wrap-hack"; }\n }\n\n signal(cm, "renderLine", cm, lineView.line, builder.pre);\n if (builder.pre.className)\n { builder.textClass = joinClasses(builder.pre.className, builder.textClass || ""); }\n\n return builder\n}\n\nfunction defaultSpecialCharPlaceholder(ch) {\n var token = elt("span", "\\u2022", "cm-invalidchar");\n token.title = "\\\\u" + ch.charCodeAt(0).toString(16);\n token.setAttribute("aria-label", token.title);\n return token\n}\n\n// Build up the DOM representation for a single token, and add it to\n// the line map. Takes care to render special characters separately.\nfunction buildToken(builder, text, style, startStyle, endStyle, title, css) {\n if (!text) { return }\n var displayText = builder.splitSpaces ? splitSpaces(text, builder.trailingSpace) : text;\n var special = builder.cm.state.specialChars, mustWrap = false;\n var content;\n if (!special.test(text)) {\n builder.col += text.length;\n content = document.createTextNode(displayText);\n builder.map.push(builder.pos, builder.pos + text.length, content);\n if (ie && ie_version < 9) { mustWrap = true; }\n builder.pos += text.length;\n } else {\n content = document.createDocumentFragment();\n var pos = 0;\n while (true) {\n special.lastIndex = pos;\n var m = special.exec(text);\n var skipped = m ? m.index - pos : text.length - pos;\n if (skipped) {\n var txt = document.createTextNode(displayText.slice(pos, pos + skipped));\n if (ie && ie_version < 9) { content.appendChild(elt("span", [txt])); }\n else { content.appendChild(txt); }\n builder.map.push(builder.pos, builder.pos + skipped, txt);\n builder.col += skipped;\n builder.pos += skipped;\n }\n if (!m) { break }\n pos += skipped + 1;\n var txt$1 = (void 0);\n if (m[0] == "\\t") {\n var tabSize = builder.cm.options.tabSize, tabWidth = tabSize - builder.col % tabSize;\n txt$1 = content.appendChild(elt("span", spaceStr(tabWidth), "cm-tab"));\n txt$1.setAttribute("role", "presentation");\n txt$1.setAttribute("cm-text", "\\t");\n builder.col += tabWidth;\n } else if (m[0] == "\\r" || m[0] == "\\n") {\n txt$1 = content.appendChild(elt("span", m[0] == "\\r" ? "\\u240d" : "\\u2424", "cm-invalidchar"));\n txt$1.setAttribute("cm-text", m[0]);\n builder.col += 1;\n } else {\n txt$1 = builder.cm.options.specialCharPlaceholder(m[0]);\n txt$1.setAttribute("cm-text", m[0]);\n if (ie && ie_version < 9) { content.appendChild(elt("span", [txt$1])); }\n else { content.appendChild(txt$1); }\n builder.col += 1;\n }\n builder.map.push(builder.pos, builder.pos + 1, txt$1);\n builder.pos++;\n }\n }\n builder.trailingSpace = displayText.charCodeAt(text.length - 1) == 32;\n if (style || startStyle || endStyle || mustWrap || css) {\n var fullStyle = style || "";\n if (startStyle) { fullStyle += startStyle; }\n if (endStyle) { fullStyle += endStyle; }\n var token = elt("span", [content], fullStyle, css);\n if (title) { token.title = title; }\n return builder.content.appendChild(token)\n }\n builder.content.appendChild(content);\n}\n\nfunction splitSpaces(text, trailingBefore) {\n if (text.length > 1 && !/ /.test(text)) { return text }\n var spaceBefore = trailingBefore, result = "";\n for (var i = 0; i < text.length; i++) {\n var ch = text.charAt(i);\n if (ch == " " && spaceBefore && (i == text.length - 1 || text.charCodeAt(i + 1) == 32))\n { ch = "\\u00a0"; }\n result += ch;\n spaceBefore = ch == " ";\n }\n return result\n}\n\n// Work around nonsense dimensions being reported for stretches of\n// right-to-left text.\nfunction buildTokenBadBidi(inner, order) {\n return function (builder, text, style, startStyle, endStyle, title, css) {\n style = style ? style + " cm-force-border" : "cm-force-border";\n var start = builder.pos, end = start + text.length;\n for (;;) {\n // Find the part that overlaps with the start of this text\n var part = (void 0);\n for (var i = 0; i < order.length; i++) {\n part = order[i];\n if (part.to > start && part.from <= start) { break }\n }\n if (part.to >= end) { return inner(builder, text, style, startStyle, endStyle, title, css) }\n inner(builder, text.slice(0, part.to - start), style, startStyle, null, title, css);\n startStyle = null;\n text = text.slice(part.to - start);\n start = part.to;\n }\n }\n}\n\nfunction buildCollapsedSpan(builder, size, marker, ignoreWidget) {\n var widget = !ignoreWidget && marker.widgetNode;\n if (widget) { builder.map.push(builder.pos, builder.pos + size, widget); }\n if (!ignoreWidget && builder.cm.display.input.needsContentAttribute) {\n if (!widget)\n { widget = builder.content.appendChild(document.createElement("span")); }\n widget.setAttribute("cm-marker", marker.id);\n }\n if (widget) {\n builder.cm.display.input.setUneditable(widget);\n builder.content.appendChild(widget);\n }\n builder.pos += size;\n builder.trailingSpace = false;\n}\n\n// Outputs a number of spans to make up a line, taking highlighting\n// and marked text into account.\nfunction insertLineContent(line, builder, styles) {\n var spans = line.markedSpans, allText = line.text, at = 0;\n if (!spans) {\n for (var i$1 = 1; i$1 < styles.length; i$1+=2)\n { builder.addToken(builder, allText.slice(at, at = styles[i$1]), interpretTokenStyle(styles[i$1+1], builder.cm.options)); }\n return\n }\n\n var len = allText.length, pos = 0, i = 1, text = "", style, css;\n var nextChange = 0, spanStyle, spanEndStyle, spanStartStyle, title, collapsed;\n for (;;) {\n if (nextChange == pos) { // Update current marker set\n spanStyle = spanEndStyle = spanStartStyle = title = css = "";\n collapsed = null; nextChange = Infinity;\n var foundBookmarks = [], endStyles = (void 0);\n for (var j = 0; j < spans.length; ++j) {\n var sp = spans[j], m = sp.marker;\n if (m.type == "bookmark" && sp.from == pos && m.widgetNode) {\n foundBookmarks.push(m);\n } else if (sp.from <= pos && (sp.to == null || sp.to > pos || m.collapsed && sp.to == pos && sp.from == pos)) {\n if (sp.to != null && sp.to != pos && nextChange > sp.to) {\n nextChange = sp.to;\n spanEndStyle = "";\n }\n if (m.className) { spanStyle += " " + m.className; }\n if (m.css) { css = (css ? css + ";" : "") + m.css; }\n if (m.startStyle && sp.from == pos) { spanStartStyle += " " + m.startStyle; }\n if (m.endStyle && sp.to == nextChange) { (endStyles || (endStyles = [])).push(m.endStyle, sp.to); }\n if (m.title && !title) { title = m.title; }\n if (m.collapsed && (!collapsed || compareCollapsedMarkers(collapsed.marker, m) < 0))\n { collapsed = sp; }\n } else if (sp.from > pos && nextChange > sp.from) {\n nextChange = sp.from;\n }\n }\n if (endStyles) { for (var j$1 = 0; j$1 < endStyles.length; j$1 += 2)\n { if (endStyles[j$1 + 1] == nextChange) { spanEndStyle += " " + endStyles[j$1]; } } }\n\n if (!collapsed || collapsed.from == pos) { for (var j$2 = 0; j$2 < foundBookmarks.length; ++j$2)\n { buildCollapsedSpan(builder, 0, foundBookmarks[j$2]); } }\n if (collapsed && (collapsed.from || 0) == pos) {\n buildCollapsedSpan(builder, (collapsed.to == null ? len + 1 : collapsed.to) - pos,\n collapsed.marker, collapsed.from == null);\n if (collapsed.to == null) { return }\n if (collapsed.to == pos) { collapsed = false; }\n }\n }\n if (pos >= len) { break }\n\n var upto = Math.min(len, nextChange);\n while (true) {\n if (text) {\n var end = pos + text.length;\n if (!collapsed) {\n var tokenText = end > upto ? text.slice(0, upto - pos) : text;\n builder.addToken(builder, tokenText, style ? style + spanStyle : spanStyle,\n spanStartStyle, pos + tokenText.length == nextChange ? spanEndStyle : "", title, css);\n }\n if (end >= upto) {text = text.slice(upto - pos); pos = upto; break}\n pos = end;\n spanStartStyle = "";\n }\n text = allText.slice(at, at = styles[i++]);\n style = interpretTokenStyle(styles[i++], builder.cm.options);\n }\n }\n}\n\n\n// These objects are used to represent the visible (currently drawn)\n// part of the document. A LineView may correspond to multiple\n// logical lines, if those are connected by collapsed ranges.\nfunction LineView(doc, line, lineN) {\n // The starting line\n this.line = line;\n // Continuing lines, if any\n this.rest = visualLineContinued(line);\n // Number of logical lines in this visual line\n this.size = this.rest ? lineNo(lst(this.rest)) - lineN + 1 : 1;\n this.node = this.text = null;\n this.hidden = lineIsHidden(doc, line);\n}\n\n// Create a range of LineView objects for the given lines.\nfunction buildViewArray(cm, from, to) {\n var array = [], nextPos;\n for (var pos = from; pos < to; pos = nextPos) {\n var view = new LineView(cm.doc, getLine(cm.doc, pos), pos);\n nextPos = pos + view.size;\n array.push(view);\n }\n return array\n}\n\nvar operationGroup = null;\n\nfunction pushOperation(op) {\n if (operationGroup) {\n operationGroup.ops.push(op);\n } else {\n op.ownsGroup = operationGroup = {\n ops: [op],\n delayedCallbacks: []\n };\n }\n}\n\nfunction fireCallbacksForOps(group) {\n // Calls delayed callbacks and cursorActivity handlers until no\n // new ones appear\n var callbacks = group.delayedCallbacks, i = 0;\n do {\n for (; i < callbacks.length; i++)\n { callbacks[i].call(null); }\n for (var j = 0; j < group.ops.length; j++) {\n var op = group.ops[j];\n if (op.cursorActivityHandlers)\n { while (op.cursorActivityCalled < op.cursorActivityHandlers.length)\n { op.cursorActivityHandlers[op.cursorActivityCalled++].call(null, op.cm); } }\n }\n } while (i < callbacks.length)\n}\n\nfunction finishOperation(op, endCb) {\n var group = op.ownsGroup;\n if (!group) { return }\n\n try { fireCallbacksForOps(group); }\n finally {\n operationGroup = null;\n endCb(group);\n }\n}\n\nvar orphanDelayedCallbacks = null;\n\n// Often, we want to signal events at a point where we are in the\n// middle of some work, but don\'t want the handler to start calling\n// other methods on the editor, which might be in an inconsistent\n// state or simply not expect any other events to happen.\n// signalLater looks whether there are any handlers, and schedules\n// them to be executed when the last operation ends, or, if no\n// operation is active, when a timeout fires.\nfunction signalLater(emitter, type /*, values...*/) {\n var arr = getHandlers(emitter, type);\n if (!arr.length) { return }\n var args = Array.prototype.slice.call(arguments, 2), list;\n if (operationGroup) {\n list = operationGroup.delayedCallbacks;\n } else if (orphanDelayedCallbacks) {\n list = orphanDelayedCallbacks;\n } else {\n list = orphanDelayedCallbacks = [];\n setTimeout(fireOrphanDelayed, 0);\n }\n var loop = function ( i ) {\n list.push(function () { return arr[i].apply(null, args); });\n };\n\n for (var i = 0; i < arr.length; ++i)\n loop( i );\n}\n\nfunction fireOrphanDelayed() {\n var delayed = orphanDelayedCallbacks;\n orphanDelayedCallbacks = null;\n for (var i = 0; i < delayed.length; ++i) { delayed[i](); }\n}\n\n// When an aspect of a line changes, a string is added to\n// lineView.changes. This updates the relevant part of the line\'s\n// DOM structure.\nfunction updateLineForChanges(cm, lineView, lineN, dims) {\n for (var j = 0; j < lineView.changes.length; j++) {\n var type = lineView.changes[j];\n if (type == "text") { updateLineText(cm, lineView); }\n else if (type == "gutter") { updateLineGutter(cm, lineView, lineN, dims); }\n else if (type == "class") { updateLineClasses(cm, lineView); }\n else if (type == "widget") { updateLineWidgets(cm, lineView, dims); }\n }\n lineView.changes = null;\n}\n\n// Lines with gutter elements, widgets or a background class need to\n// be wrapped, and have the extra elements added to the wrapper div\nfunction ensureLineWrapped(lineView) {\n if (lineView.node == lineView.text) {\n lineView.node = elt("div", null, null, "position: relative");\n if (lineView.text.parentNode)\n { lineView.text.parentNode.replaceChild(lineView.node, lineView.text); }\n lineView.node.appendChild(lineView.text);\n if (ie && ie_version < 8) { lineView.node.style.zIndex = 2; }\n }\n return lineView.node\n}\n\nfunction updateLineBackground(cm, lineView) {\n var cls = lineView.bgClass ? lineView.bgClass + " " + (lineView.line.bgClass || "") : lineView.line.bgClass;\n if (cls) { cls += " CodeMirror-linebackground"; }\n if (lineView.background) {\n if (cls) { lineView.background.className = cls; }\n else { lineView.background.parentNode.removeChild(lineView.background); lineView.background = null; }\n } else if (cls) {\n var wrap = ensureLineWrapped(lineView);\n lineView.background = wrap.insertBefore(elt("div", null, cls), wrap.firstChild);\n cm.display.input.setUneditable(lineView.background);\n }\n}\n\n// Wrapper around buildLineContent which will reuse the structure\n// in display.externalMeasured when possible.\nfunction getLineContent(cm, lineView) {\n var ext = cm.display.externalMeasured;\n if (ext && ext.line == lineView.line) {\n cm.display.externalMeasured = null;\n lineView.measure = ext.measure;\n return ext.built\n }\n return buildLineContent(cm, lineView)\n}\n\n// Redraw the line\'s text. Interacts with the background and text\n// classes because the mode may output tokens that influence these\n// classes.\nfunction updateLineText(cm, lineView) {\n var cls = lineView.text.className;\n var built = getLineContent(cm, lineView);\n if (lineView.text == lineView.node) { lineView.node = built.pre; }\n lineView.text.parentNode.replaceChild(built.pre, lineView.text);\n lineView.text = built.pre;\n if (built.bgClass != lineView.bgClass || built.textClass != lineView.textClass) {\n lineView.bgClass = built.bgClass;\n lineView.textClass = built.textClass;\n updateLineClasses(cm, lineView);\n } else if (cls) {\n lineView.text.className = cls;\n }\n}\n\nfunction updateLineClasses(cm, lineView) {\n updateLineBackground(cm, lineView);\n if (lineView.line.wrapClass)\n { ensureLineWrapped(lineView).className = lineView.line.wrapClass; }\n else if (lineView.node != lineView.text)\n { lineView.node.className = ""; }\n var textClass = lineView.textClass ? lineView.textClass + " " + (lineView.line.textClass || "") : lineView.line.textClass;\n lineView.text.className = textClass || "";\n}\n\nfunction updateLineGutter(cm, lineView, lineN, dims) {\n if (lineView.gutter) {\n lineView.node.removeChild(lineView.gutter);\n lineView.gutter = null;\n }\n if (lineView.gutterBackground) {\n lineView.node.removeChild(lineView.gutterBackground);\n lineView.gutterBackground = null;\n }\n if (lineView.line.gutterClass) {\n var wrap = ensureLineWrapped(lineView);\n lineView.gutterBackground = elt("div", null, "CodeMirror-gutter-background " + lineView.line.gutterClass,\n ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px; width: " + (dims.gutterTotalWidth) + "px"));\n cm.display.input.setUneditable(lineView.gutterBackground);\n wrap.insertBefore(lineView.gutterBackground, lineView.text);\n }\n var markers = lineView.line.gutterMarkers;\n if (cm.options.lineNumbers || markers) {\n var wrap$1 = ensureLineWrapped(lineView);\n var gutterWrap = lineView.gutter = elt("div", null, "CodeMirror-gutter-wrapper", ("left: " + (cm.options.fixedGutter ? dims.fixedPos : -dims.gutterTotalWidth) + "px"));\n cm.display.input.setUneditable(gutterWrap);\n wrap$1.insertBefore(gutterWrap, lineView.text);\n if (lineView.line.gutterClass)\n { gutterWrap.className += " " + lineView.line.gutterClass; }\n if (cm.options.lineNumbers && (!markers || !markers["CodeMirror-linenumbers"]))\n { lineView.lineNumber = gutterWrap.appendChild(\n elt("div", lineNumberFor(cm.options, lineN),\n "CodeMirror-linenumber CodeMirror-gutter-elt",\n ("left: " + (dims.gutterLeft["CodeMirror-linenumbers"]) + "px; width: " + (cm.display.lineNumInnerWidth) + "px"))); }\n if (markers) { for (var k = 0; k < cm.options.gutters.length; ++k) {\n var id = cm.options.gutters[k], found = markers.hasOwnProperty(id) && markers[id];\n if (found)\n { gutterWrap.appendChild(elt("div", [found], "CodeMirror-gutter-elt",\n ("left: " + (dims.gutterLeft[id]) + "px; width: " + (dims.gutterWidth[id]) + "px"))); }\n } }\n }\n}\n\nfunction updateLineWidgets(cm, lineView, dims) {\n if (lineView.alignable) { lineView.alignable = null; }\n for (var node = lineView.node.firstChild, next = (void 0); node; node = next) {\n next = node.nextSibling;\n if (node.className == "CodeMirror-linewidget")\n { lineView.node.removeChild(node); }\n }\n insertLineWidgets(cm, lineView, dims);\n}\n\n// Build a line\'s DOM representation from scratch\nfunction buildLineElement(cm, lineView, lineN, dims) {\n var built = getLineContent(cm, lineView);\n lineView.text = lineView.node = built.pre;\n if (built.bgClass) { lineView.bgClass = built.bgClass; }\n if (built.textClass) { lineView.textClass = built.textClass; }\n\n updateLineClasses(cm, lineView);\n updateLineGutter(cm, lineView, lineN, dims);\n insertLineWidgets(cm, lineView, dims);\n return lineView.node\n}\n\n// A lineView may contain multiple logical lines (when merged by\n// collapsed spans). The widgets for all of them need to be drawn.\nfunction insertLineWidgets(cm, lineView, dims) {\n insertLineWidgetsFor(cm, lineView.line, lineView, dims, true);\n if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++)\n { insertLineWidgetsFor(cm, lineView.rest[i], lineView, dims, false); } }\n}\n\nfunction insertLineWidgetsFor(cm, line, lineView, dims, allowAbove) {\n if (!line.widgets) { return }\n var wrap = ensureLineWrapped(lineView);\n for (var i = 0, ws = line.widgets; i < ws.length; ++i) {\n var widget = ws[i], node = elt("div", [widget.node], "CodeMirror-linewidget");\n if (!widget.handleMouseEvents) { node.setAttribute("cm-ignore-events", "true"); }\n positionLineWidget(widget, node, lineView, dims);\n cm.display.input.setUneditable(node);\n if (allowAbove && widget.above)\n { wrap.insertBefore(node, lineView.gutter || lineView.text); }\n else\n { wrap.appendChild(node); }\n signalLater(widget, "redraw");\n }\n}\n\nfunction positionLineWidget(widget, node, lineView, dims) {\n if (widget.noHScroll) {\n (lineView.alignable || (lineView.alignable = [])).push(node);\n var width = dims.wrapperWidth;\n node.style.left = dims.fixedPos + "px";\n if (!widget.coverGutter) {\n width -= dims.gutterTotalWidth;\n node.style.paddingLeft = dims.gutterTotalWidth + "px";\n }\n node.style.width = width + "px";\n }\n if (widget.coverGutter) {\n node.style.zIndex = 5;\n node.style.position = "relative";\n if (!widget.noHScroll) { node.style.marginLeft = -dims.gutterTotalWidth + "px"; }\n }\n}\n\nfunction widgetHeight(widget) {\n if (widget.height != null) { return widget.height }\n var cm = widget.doc.cm;\n if (!cm) { return 0 }\n if (!contains(document.body, widget.node)) {\n var parentStyle = "position: relative;";\n if (widget.coverGutter)\n { parentStyle += "margin-left: -" + cm.display.gutters.offsetWidth + "px;"; }\n if (widget.noHScroll)\n { parentStyle += "width: " + cm.display.wrapper.clientWidth + "px;"; }\n removeChildrenAndAdd(cm.display.measure, elt("div", [widget.node], null, parentStyle));\n }\n return widget.height = widget.node.parentNode.offsetHeight\n}\n\n// Return true when the given mouse event happened in a widget\nfunction eventInWidget(display, e) {\n for (var n = e_target(e); n != display.wrapper; n = n.parentNode) {\n if (!n || (n.nodeType == 1 && n.getAttribute("cm-ignore-events") == "true") ||\n (n.parentNode == display.sizer && n != display.mover))\n { return true }\n }\n}\n\n// POSITION MEASUREMENT\n\nfunction paddingTop(display) {return display.lineSpace.offsetTop}\nfunction paddingVert(display) {return display.mover.offsetHeight - display.lineSpace.offsetHeight}\nfunction paddingH(display) {\n if (display.cachedPaddingH) { return display.cachedPaddingH }\n var e = removeChildrenAndAdd(display.measure, elt("pre", "x"));\n var style = window.getComputedStyle ? window.getComputedStyle(e) : e.currentStyle;\n var data = {left: parseInt(style.paddingLeft), right: parseInt(style.paddingRight)};\n if (!isNaN(data.left) && !isNaN(data.right)) { display.cachedPaddingH = data; }\n return data\n}\n\nfunction scrollGap(cm) { return scrollerGap - cm.display.nativeBarWidth }\nfunction displayWidth(cm) {\n return cm.display.scroller.clientWidth - scrollGap(cm) - cm.display.barWidth\n}\nfunction displayHeight(cm) {\n return cm.display.scroller.clientHeight - scrollGap(cm) - cm.display.barHeight\n}\n\n// Ensure the lineView.wrapping.heights array is populated. This is\n// an array of bottom offsets for the lines that make up a drawn\n// line. When lineWrapping is on, there might be more than one\n// height.\nfunction ensureLineHeights(cm, lineView, rect) {\n var wrapping = cm.options.lineWrapping;\n var curWidth = wrapping && displayWidth(cm);\n if (!lineView.measure.heights || wrapping && lineView.measure.width != curWidth) {\n var heights = lineView.measure.heights = [];\n if (wrapping) {\n lineView.measure.width = curWidth;\n var rects = lineView.text.firstChild.getClientRects();\n for (var i = 0; i < rects.length - 1; i++) {\n var cur = rects[i], next = rects[i + 1];\n if (Math.abs(cur.bottom - next.bottom) > 2)\n { heights.push((cur.bottom + next.top) / 2 - rect.top); }\n }\n }\n heights.push(rect.bottom - rect.top);\n }\n}\n\n// Find a line map (mapping character offsets to text nodes) and a\n// measurement cache for the given line number. (A line view might\n// contain multiple lines when collapsed ranges are present.)\nfunction mapFromLineView(lineView, line, lineN) {\n if (lineView.line == line)\n { return {map: lineView.measure.map, cache: lineView.measure.cache} }\n for (var i = 0; i < lineView.rest.length; i++)\n { if (lineView.rest[i] == line)\n { return {map: lineView.measure.maps[i], cache: lineView.measure.caches[i]} } }\n for (var i$1 = 0; i$1 < lineView.rest.length; i$1++)\n { if (lineNo(lineView.rest[i$1]) > lineN)\n { return {map: lineView.measure.maps[i$1], cache: lineView.measure.caches[i$1], before: true} } }\n}\n\n// Render a line into the hidden node display.externalMeasured. Used\n// when measurement is needed for a line that\'s not in the viewport.\nfunction updateExternalMeasurement(cm, line) {\n line = visualLine(line);\n var lineN = lineNo(line);\n var view = cm.display.externalMeasured = new LineView(cm.doc, line, lineN);\n view.lineN = lineN;\n var built = view.built = buildLineContent(cm, view);\n view.text = built.pre;\n removeChildrenAndAdd(cm.display.lineMeasure, built.pre);\n return view\n}\n\n// Get a {top, bottom, left, right} box (in line-local coordinates)\n// for a given character.\nfunction measureChar(cm, line, ch, bias) {\n return measureCharPrepared(cm, prepareMeasureForLine(cm, line), ch, bias)\n}\n\n// Find a line view that corresponds to the given line number.\nfunction findViewForLine(cm, lineN) {\n if (lineN >= cm.display.viewFrom && lineN < cm.display.viewTo)\n { return cm.display.view[findViewIndex(cm, lineN)] }\n var ext = cm.display.externalMeasured;\n if (ext && lineN >= ext.lineN && lineN < ext.lineN + ext.size)\n { return ext }\n}\n\n// Measurement can be split in two steps, the set-up work that\n// applies to the whole line, and the measurement of the actual\n// character. Functions like coordsChar, that need to do a lot of\n// measurements in a row, can thus ensure that the set-up work is\n// only done once.\nfunction prepareMeasureForLine(cm, line) {\n var lineN = lineNo(line);\n var view = findViewForLine(cm, lineN);\n if (view && !view.text) {\n view = null;\n } else if (view && view.changes) {\n updateLineForChanges(cm, view, lineN, getDimensions(cm));\n cm.curOp.forceUpdate = true;\n }\n if (!view)\n { view = updateExternalMeasurement(cm, line); }\n\n var info = mapFromLineView(view, line, lineN);\n return {\n line: line, view: view, rect: null,\n map: info.map, cache: info.cache, before: info.before,\n hasHeights: false\n }\n}\n\n// Given a prepared measurement object, measures the position of an\n// actual character (or fetches it from the cache).\nfunction measureCharPrepared(cm, prepared, ch, bias, varHeight) {\n if (prepared.before) { ch = -1; }\n var key = ch + (bias || ""), found;\n if (prepared.cache.hasOwnProperty(key)) {\n found = prepared.cache[key];\n } else {\n if (!prepared.rect)\n { prepared.rect = prepared.view.text.getBoundingClientRect(); }\n if (!prepared.hasHeights) {\n ensureLineHeights(cm, prepared.view, prepared.rect);\n prepared.hasHeights = true;\n }\n found = measureCharInner(cm, prepared, ch, bias);\n if (!found.bogus) { prepared.cache[key] = found; }\n }\n return {left: found.left, right: found.right,\n top: varHeight ? found.rtop : found.top,\n bottom: varHeight ? found.rbottom : found.bottom}\n}\n\nvar nullRect = {left: 0, right: 0, top: 0, bottom: 0};\n\nfunction nodeAndOffsetInLineMap(map$$1, ch, bias) {\n var node, start, end, collapse, mStart, mEnd;\n // First, search the line map for the text node corresponding to,\n // or closest to, the target character.\n for (var i = 0; i < map$$1.length; i += 3) {\n mStart = map$$1[i];\n mEnd = map$$1[i + 1];\n if (ch < mStart) {\n start = 0; end = 1;\n collapse = "left";\n } else if (ch < mEnd) {\n start = ch - mStart;\n end = start + 1;\n } else if (i == map$$1.length - 3 || ch == mEnd && map$$1[i + 3] > ch) {\n end = mEnd - mStart;\n start = end - 1;\n if (ch >= mEnd) { collapse = "right"; }\n }\n if (start != null) {\n node = map$$1[i + 2];\n if (mStart == mEnd && bias == (node.insertLeft ? "left" : "right"))\n { collapse = bias; }\n if (bias == "left" && start == 0)\n { while (i && map$$1[i - 2] == map$$1[i - 3] && map$$1[i - 1].insertLeft) {\n node = map$$1[(i -= 3) + 2];\n collapse = "left";\n } }\n if (bias == "right" && start == mEnd - mStart)\n { while (i < map$$1.length - 3 && map$$1[i + 3] == map$$1[i + 4] && !map$$1[i + 5].insertLeft) {\n node = map$$1[(i += 3) + 2];\n collapse = "right";\n } }\n break\n }\n }\n return {node: node, start: start, end: end, collapse: collapse, coverStart: mStart, coverEnd: mEnd}\n}\n\nfunction getUsefulRect(rects, bias) {\n var rect = nullRect;\n if (bias == "left") { for (var i = 0; i < rects.length; i++) {\n if ((rect = rects[i]).left != rect.right) { break }\n } } else { for (var i$1 = rects.length - 1; i$1 >= 0; i$1--) {\n if ((rect = rects[i$1]).left != rect.right) { break }\n } }\n return rect\n}\n\nfunction measureCharInner(cm, prepared, ch, bias) {\n var place = nodeAndOffsetInLineMap(prepared.map, ch, bias);\n var node = place.node, start = place.start, end = place.end, collapse = place.collapse;\n\n var rect;\n if (node.nodeType == 3) { // If it is a text node, use a range to retrieve the coordinates.\n for (var i$1 = 0; i$1 < 4; i$1++) { // Retry a maximum of 4 times when nonsense rectangles are returned\n while (start && isExtendingChar(prepared.line.text.charAt(place.coverStart + start))) { --start; }\n while (place.coverStart + end < place.coverEnd && isExtendingChar(prepared.line.text.charAt(place.coverStart + end))) { ++end; }\n if (ie && ie_version < 9 && start == 0 && end == place.coverEnd - place.coverStart)\n { rect = node.parentNode.getBoundingClientRect(); }\n else\n { rect = getUsefulRect(range(node, start, end).getClientRects(), bias); }\n if (rect.left || rect.right || start == 0) { break }\n end = start;\n start = start - 1;\n collapse = "right";\n }\n if (ie && ie_version < 11) { rect = maybeUpdateRectForZooming(cm.display.measure, rect); }\n } else { // If it is a widget, simply get the box for the whole widget.\n if (start > 0) { collapse = bias = "right"; }\n var rects;\n if (cm.options.lineWrapping && (rects = node.getClientRects()).length > 1)\n { rect = rects[bias == "right" ? rects.length - 1 : 0]; }\n else\n { rect = node.getBoundingClientRect(); }\n }\n if (ie && ie_version < 9 && !start && (!rect || !rect.left && !rect.right)) {\n var rSpan = node.parentNode.getClientRects()[0];\n if (rSpan)\n { rect = {left: rSpan.left, right: rSpan.left + charWidth(cm.display), top: rSpan.top, bottom: rSpan.bottom}; }\n else\n { rect = nullRect; }\n }\n\n var rtop = rect.top - prepared.rect.top, rbot = rect.bottom - prepared.rect.top;\n var mid = (rtop + rbot) / 2;\n var heights = prepared.view.measure.heights;\n var i = 0;\n for (; i < heights.length - 1; i++)\n { if (mid < heights[i]) { break } }\n var top = i ? heights[i - 1] : 0, bot = heights[i];\n var result = {left: (collapse == "right" ? rect.right : rect.left) - prepared.rect.left,\n right: (collapse == "left" ? rect.left : rect.right) - prepared.rect.left,\n top: top, bottom: bot};\n if (!rect.left && !rect.right) { result.bogus = true; }\n if (!cm.options.singleCursorHeightPerLine) { result.rtop = rtop; result.rbottom = rbot; }\n\n return result\n}\n\n// Work around problem with bounding client rects on ranges being\n// returned incorrectly when zoomed on IE10 and below.\nfunction maybeUpdateRectForZooming(measure, rect) {\n if (!window.screen || screen.logicalXDPI == null ||\n screen.logicalXDPI == screen.deviceXDPI || !hasBadZoomedRects(measure))\n { return rect }\n var scaleX = screen.logicalXDPI / screen.deviceXDPI;\n var scaleY = screen.logicalYDPI / screen.deviceYDPI;\n return {left: rect.left * scaleX, right: rect.right * scaleX,\n top: rect.top * scaleY, bottom: rect.bottom * scaleY}\n}\n\nfunction clearLineMeasurementCacheFor(lineView) {\n if (lineView.measure) {\n lineView.measure.cache = {};\n lineView.measure.heights = null;\n if (lineView.rest) { for (var i = 0; i < lineView.rest.length; i++)\n { lineView.measure.caches[i] = {}; } }\n }\n}\n\nfunction clearLineMeasurementCache(cm) {\n cm.display.externalMeasure = null;\n removeChildren(cm.display.lineMeasure);\n for (var i = 0; i < cm.display.view.length; i++)\n { clearLineMeasurementCacheFor(cm.display.view[i]); }\n}\n\nfunction clearCaches(cm) {\n clearLineMeasurementCache(cm);\n cm.display.cachedCharWidth = cm.display.cachedTextHeight = cm.display.cachedPaddingH = null;\n if (!cm.options.lineWrapping) { cm.display.maxLineChanged = true; }\n cm.display.lineNumChars = null;\n}\n\nfunction pageScrollX() {\n // Work around https://bugs.chromium.org/p/chromium/issues/detail?id=489206\n // which causes page_Offset and bounding client rects to use\n // different reference viewports and invalidate our calculations.\n if (chrome && android) { return -(document.body.getBoundingClientRect().left - parseInt(getComputedStyle(document.body).marginLeft)) }\n return window.pageXOffset || (document.documentElement || document.body).scrollLeft\n}\nfunction pageScrollY() {\n if (chrome && android) { return -(document.body.getBoundingClientRect().top - parseInt(getComputedStyle(document.body).marginTop)) }\n return window.pageYOffset || (document.documentElement || document.body).scrollTop\n}\n\nfunction widgetTopHeight(lineObj) {\n var height = 0;\n if (lineObj.widgets) { for (var i = 0; i < lineObj.widgets.length; ++i) { if (lineObj.widgets[i].above)\n { height += widgetHeight(lineObj.widgets[i]); } } }\n return height\n}\n\n// Converts a {top, bottom, left, right} box from line-local\n// coordinates into another coordinate system. Context may be one of\n// "line", "div" (display.lineDiv), "local"./null (editor), "window",\n// or "page".\nfunction intoCoordSystem(cm, lineObj, rect, context, includeWidgets) {\n if (!includeWidgets) {\n var height = widgetTopHeight(lineObj);\n rect.top += height; rect.bottom += height;\n }\n if (context == "line") { return rect }\n if (!context) { context = "local"; }\n var yOff = heightAtLine(lineObj);\n if (context == "local") { yOff += paddingTop(cm.display); }\n else { yOff -= cm.display.viewOffset; }\n if (context == "page" || context == "window") {\n var lOff = cm.display.lineSpace.getBoundingClientRect();\n yOff += lOff.top + (context == "window" ? 0 : pageScrollY());\n var xOff = lOff.left + (context == "window" ? 0 : pageScrollX());\n rect.left += xOff; rect.right += xOff;\n }\n rect.top += yOff; rect.bottom += yOff;\n return rect\n}\n\n// Coverts a box from "div" coords to another coordinate system.\n// Context may be "window", "page", "div", or "local"./null.\nfunction fromCoordSystem(cm, coords, context) {\n if (context == "div") { return coords }\n var left = coords.left, top = coords.top;\n // First move into "page" coordinate system\n if (context == "page") {\n left -= pageScrollX();\n top -= pageScrollY();\n } else if (context == "local" || !context) {\n var localBox = cm.display.sizer.getBoundingClientRect();\n left += localBox.left;\n top += localBox.top;\n }\n\n var lineSpaceBox = cm.display.lineSpace.getBoundingClientRect();\n return {left: left - lineSpaceBox.left, top: top - lineSpaceBox.top}\n}\n\nfunction charCoords(cm, pos, context, lineObj, bias) {\n if (!lineObj) { lineObj = getLine(cm.doc, pos.line); }\n return intoCoordSystem(cm, lineObj, measureChar(cm, lineObj, pos.ch, bias), context)\n}\n\n// Returns a box for a given cursor position, which may have an\n// \'other\' property containing the position of the secondary cursor\n// on a bidi boundary.\n// A cursor Pos(line, char, "before") is on the same visual line as `char - 1`\n// and after `char - 1` in writing order of `char - 1`\n// A cursor Pos(line, char, "after") is on the same visual line as `char`\n// and before `char` in writing order of `char`\n// Examples (upper-case letters are RTL, lower-case are LTR):\n// Pos(0, 1, ...)\n// before after\n// ab a|b a|b\n// aB a|B aB|\n// Ab |Ab A|b\n// AB B|A B|A\n// Every position after the last character on a line is considered to stick\n// to the last character on the line.\nfunction cursorCoords(cm, pos, context, lineObj, preparedMeasure, varHeight) {\n lineObj = lineObj || getLine(cm.doc, pos.line);\n if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj); }\n function get(ch, right) {\n var m = measureCharPrepared(cm, preparedMeasure, ch, right ? "right" : "left", varHeight);\n if (right) { m.left = m.right; } else { m.right = m.left; }\n return intoCoordSystem(cm, lineObj, m, context)\n }\n var order = getOrder(lineObj, cm.doc.direction), ch = pos.ch, sticky = pos.sticky;\n if (ch >= lineObj.text.length) {\n ch = lineObj.text.length;\n sticky = "before";\n } else if (ch <= 0) {\n ch = 0;\n sticky = "after";\n }\n if (!order) { return get(sticky == "before" ? ch - 1 : ch, sticky == "before") }\n\n function getBidi(ch, partPos, invert) {\n var part = order[partPos], right = part.level == 1;\n return get(invert ? ch - 1 : ch, right != invert)\n }\n var partPos = getBidiPartAt(order, ch, sticky);\n var other = bidiOther;\n var val = getBidi(ch, partPos, sticky == "before");\n if (other != null) { val.other = getBidi(ch, other, sticky != "before"); }\n return val\n}\n\n// Used to cheaply estimate the coordinates for a position. Used for\n// intermediate scroll updates.\nfunction estimateCoords(cm, pos) {\n var left = 0;\n pos = clipPos(cm.doc, pos);\n if (!cm.options.lineWrapping) { left = charWidth(cm.display) * pos.ch; }\n var lineObj = getLine(cm.doc, pos.line);\n var top = heightAtLine(lineObj) + paddingTop(cm.display);\n return {left: left, right: left, top: top, bottom: top + lineObj.height}\n}\n\n// Positions returned by coordsChar contain some extra information.\n// xRel is the relative x position of the input coordinates compared\n// to the found position (so xRel > 0 means the coordinates are to\n// the right of the character position, for example). When outside\n// is true, that means the coordinates lie outside the line\'s\n// vertical range.\nfunction PosWithInfo(line, ch, sticky, outside, xRel) {\n var pos = Pos(line, ch, sticky);\n pos.xRel = xRel;\n if (outside) { pos.outside = true; }\n return pos\n}\n\n// Compute the character position closest to the given coordinates.\n// Input must be lineSpace-local ("div" coordinate system).\nfunction coordsChar(cm, x, y) {\n var doc = cm.doc;\n y += cm.display.viewOffset;\n if (y < 0) { return PosWithInfo(doc.first, 0, null, true, -1) }\n var lineN = lineAtHeight(doc, y), last = doc.first + doc.size - 1;\n if (lineN > last)\n { return PosWithInfo(doc.first + doc.size - 1, getLine(doc, last).text.length, null, true, 1) }\n if (x < 0) { x = 0; }\n\n var lineObj = getLine(doc, lineN);\n for (;;) {\n var found = coordsCharInner(cm, lineObj, lineN, x, y);\n var merged = collapsedSpanAtEnd(lineObj);\n var mergedPos = merged && merged.find(0, true);\n if (merged && (found.ch > mergedPos.from.ch || found.ch == mergedPos.from.ch && found.xRel > 0))\n { lineN = lineNo(lineObj = mergedPos.to.line); }\n else\n { return found }\n }\n}\n\nfunction wrappedLineExtent(cm, lineObj, preparedMeasure, y) {\n y -= widgetTopHeight(lineObj);\n var end = lineObj.text.length;\n var begin = findFirst(function (ch) { return measureCharPrepared(cm, preparedMeasure, ch - 1).bottom <= y; }, end, 0);\n end = findFirst(function (ch) { return measureCharPrepared(cm, preparedMeasure, ch).top > y; }, begin, end);\n return {begin: begin, end: end}\n}\n\nfunction wrappedLineExtentChar(cm, lineObj, preparedMeasure, target) {\n if (!preparedMeasure) { preparedMeasure = prepareMeasureForLine(cm, lineObj); }\n var targetTop = intoCoordSystem(cm, lineObj, measureCharPrepared(cm, preparedMeasure, target), "line").top;\n return wrappedLineExtent(cm, lineObj, preparedMeasure, targetTop)\n}\n\n// Returns true if the given side of a box is after the given\n// coordinates, in top-to-bottom, left-to-right order.\nfunction boxIsAfter(box, x, y, left) {\n return box.bottom <= y ? false : box.top > y ? true : (left ? box.left : box.right) > x\n}\n\nfunction coordsCharInner(cm, lineObj, lineNo$$1, x, y) {\n // Move y into line-local coordinate space\n y -= heightAtLine(lineObj);\n var preparedMeasure = prepareMeasureForLine(cm, lineObj);\n // When directly calling `measureCharPrepared`, we have to adjust\n // for the widgets at this line.\n var widgetHeight$$1 = widgetTopHeight(lineObj);\n var begin = 0, end = lineObj.text.length, ltr = true;\n\n var order = getOrder(lineObj, cm.doc.direction);\n // If the line isn\'t plain left-to-right text, first figure out\n // which bidi section the coordinates fall into.\n if (order) {\n var part = (cm.options.lineWrapping ? coordsBidiPartWrapped : coordsBidiPart)\n (cm, lineObj, lineNo$$1, preparedMeasure, order, x, y);\n ltr = part.level != 1;\n // The awkward -1 offsets are needed because findFirst (called\n // on these below) will treat its first bound as inclusive,\n // second as exclusive, but we want to actually address the\n // characters in the part\'s range\n begin = ltr ? part.from : part.to - 1;\n end = ltr ? part.to : part.from - 1;\n }\n\n // A binary search to find the first character whose bounding box\n // starts after the coordinates. If we run across any whose box wrap\n // the coordinates, store that.\n var chAround = null, boxAround = null;\n var ch = findFirst(function (ch) {\n var box = measureCharPrepared(cm, preparedMeasure, ch);\n box.top += widgetHeight$$1; box.bottom += widgetHeight$$1;\n if (!boxIsAfter(box, x, y, false)) { return false }\n if (box.top <= y && box.left <= x) {\n chAround = ch;\n boxAround = box;\n }\n return true\n }, begin, end);\n\n var baseX, sticky, outside = false;\n // If a box around the coordinates was found, use that\n if (boxAround) {\n // Distinguish coordinates nearer to the left or right side of the box\n var atLeft = x - boxAround.left < boxAround.right - x, atStart = atLeft == ltr;\n ch = chAround + (atStart ? 0 : 1);\n sticky = atStart ? "after" : "before";\n baseX = atLeft ? boxAround.left : boxAround.right;\n } else {\n // (Adjust for extended bound, if necessary.)\n if (!ltr && (ch == end || ch == begin)) { ch++; }\n // To determine which side to associate with, get the box to the\n // left of the character and compare it\'s vertical position to the\n // coordinates\n sticky = ch == 0 ? "after" : ch == lineObj.text.length ? "before" :\n (measureCharPrepared(cm, preparedMeasure, ch - (ltr ? 1 : 0)).bottom + widgetHeight$$1 <= y) == ltr ?\n "after" : "before";\n // Now get accurate coordinates for this place, in order to get a\n // base X position\n var coords = cursorCoords(cm, Pos(lineNo$$1, ch, sticky), "line", lineObj, preparedMeasure);\n baseX = coords.left;\n outside = y < coords.top || y >= coords.bottom;\n }\n\n ch = skipExtendingChars(lineObj.text, ch, 1);\n return PosWithInfo(lineNo$$1, ch, sticky, outside, x - baseX)\n}\n\nfunction coordsBidiPart(cm, lineObj, lineNo$$1, preparedMeasure, order, x, y) {\n // Bidi parts are sorted left-to-right, and in a non-line-wrapping\n // situation, we can take this ordering to correspond to the visual\n // ordering. This finds the first part whose end is after the given\n // coordinates.\n var index = findFirst(function (i) {\n var part = order[i], ltr = part.level != 1;\n return boxIsAfter(cursorCoords(cm, Pos(lineNo$$1, ltr ? part.to : part.from, ltr ? "before" : "after"),\n "line", lineObj, preparedMeasure), x, y, true)\n }, 0, order.length - 1);\n var part = order[index];\n // If this isn\'t the first part, the part\'s start is also after\n // the coordinates, and the coordinates aren\'t on the same line as\n // that start, move one part back.\n if (index > 0) {\n var ltr = part.level != 1;\n var start = cursorCoords(cm, Pos(lineNo$$1, ltr ? part.from : part.to, ltr ? "after" : "before"),\n "line", lineObj, preparedMeasure);\n if (boxIsAfter(start, x, y, true) && start.top > y)\n { part = order[index - 1]; }\n }\n return part\n}\n\nfunction coordsBidiPartWrapped(cm, lineObj, _lineNo, preparedMeasure, order, x, y) {\n // In a wrapped line, rtl text on wrapping boundaries can do things\n // that don\'t correspond to the ordering in our `order` array at\n // all, so a binary search doesn\'t work, and we want to return a\n // part that only spans one line so that the binary search in\n // coordsCharInner is safe. As such, we first find the extent of the\n // wrapped line, and then do a flat search in which we discard any\n // spans that aren\'t on the line.\n var ref = wrappedLineExtent(cm, lineObj, preparedMeasure, y);\n var begin = ref.begin;\n var end = ref.end;\n if (/\\s/.test(lineObj.text.charAt(end - 1))) { end--; }\n var part = null, closestDist = null;\n for (var i = 0; i < order.length; i++) {\n var p = order[i];\n if (p.from >= end || p.to <= begin) { continue }\n var ltr = p.level != 1;\n var endX = measureCharPrepared(cm, preparedMeasure, ltr ? Math.min(end, p.to) - 1 : Math.max(begin, p.from)).right;\n // Weigh against spans ending before this, so that they are only\n // picked if nothing ends after\n var dist = endX < x ? x - endX + 1e9 : endX - x;\n if (!part || closestDist > dist) {\n part = p;\n closestDist = dist;\n }\n }\n if (!part) { part = order[order.length - 1]; }\n // Clip the part to the wrapped line.\n if (part.from < begin) { part = {from: begin, to: part.to, level: part.level}; }\n if (part.to > end) { part = {from: part.from, to: end, level: part.level}; }\n return part\n}\n\nvar measureText;\n// Compute the default text height.\nfunction textHeight(display) {\n if (display.cachedTextHeight != null) { return display.cachedTextHeight }\n if (measureText == null) {\n measureText = elt("pre");\n // Measure a bunch of lines, for browsers that compute\n // fractional heights.\n for (var i = 0; i < 49; ++i) {\n measureText.appendChild(document.createTextNode("x"));\n measureText.appendChild(elt("br"));\n }\n measureText.appendChild(document.createTextNode("x"));\n }\n removeChildrenAndAdd(display.measure, measureText);\n var height = measureText.offsetHeight / 50;\n if (height > 3) { display.cachedTextHeight = height; }\n removeChildren(display.measure);\n return height || 1\n}\n\n// Compute the default character width.\nfunction charWidth(display) {\n if (display.cachedCharWidth != null) { return display.cachedCharWidth }\n var anchor = elt("span", "xxxxxxxxxx");\n var pre = elt("pre", [anchor]);\n removeChildrenAndAdd(display.measure, pre);\n var rect = anchor.getBoundingClientRect(), width = (rect.right - rect.left) / 10;\n if (width > 2) { display.cachedCharWidth = width; }\n return width || 10\n}\n\n// Do a bulk-read of the DOM positions and sizes needed to draw the\n// view, so that we don\'t interleave reading and writing to the DOM.\nfunction getDimensions(cm) {\n var d = cm.display, left = {}, width = {};\n var gutterLeft = d.gutters.clientLeft;\n for (var n = d.gutters.firstChild, i = 0; n; n = n.nextSibling, ++i) {\n left[cm.options.gutters[i]] = n.offsetLeft + n.clientLeft + gutterLeft;\n width[cm.options.gutters[i]] = n.clientWidth;\n }\n return {fixedPos: compensateForHScroll(d),\n gutterTotalWidth: d.gutters.offsetWidth,\n gutterLeft: left,\n gutterWidth: width,\n wrapperWidth: d.wrapper.clientWidth}\n}\n\n// Computes display.scroller.scrollLeft + display.gutters.offsetWidth,\n// but using getBoundingClientRect to get a sub-pixel-accurate\n// result.\nfunction compensateForHScroll(display) {\n return display.scroller.getBoundingClientRect().left - display.sizer.getBoundingClientRect().left\n}\n\n// Returns a function that estimates the height of a line, to use as\n// first approximation until the line becomes visible (and is thus\n// properly measurable).\nfunction estimateHeight(cm) {\n var th = textHeight(cm.display), wrapping = cm.options.lineWrapping;\n var perLine = wrapping && Math.max(5, cm.display.scroller.clientWidth / charWidth(cm.display) - 3);\n return function (line) {\n if (lineIsHidden(cm.doc, line)) { return 0 }\n\n var widgetsHeight = 0;\n if (line.widgets) { for (var i = 0; i < line.widgets.length; i++) {\n if (line.widgets[i].height) { widgetsHeight += line.widgets[i].height; }\n } }\n\n if (wrapping)\n { return widgetsHeight + (Math.ceil(line.text.length / perLine) || 1) * th }\n else\n { return widgetsHeight + th }\n }\n}\n\nfunction estimateLineHeights(cm) {\n var doc = cm.doc, est = estimateHeight(cm);\n doc.iter(function (line) {\n var estHeight = est(line);\n if (estHeight != line.height) { updateLineHeight(line, estHeight); }\n });\n}\n\n// Given a mouse event, find the corresponding position. If liberal\n// is false, it checks whether a gutter or scrollbar was clicked,\n// and returns null if it was. forRect is used by rectangular\n// selections, and tries to estimate a character position even for\n// coordinates beyond the right of the text.\nfunction posFromMouse(cm, e, liberal, forRect) {\n var display = cm.display;\n if (!liberal && e_target(e).getAttribute("cm-not-content") == "true") { return null }\n\n var x, y, space = display.lineSpace.getBoundingClientRect();\n // Fails unpredictably on IE[67] when mouse is dragged around quickly.\n try { x = e.clientX - space.left; y = e.clientY - space.top; }\n catch (e) { return null }\n var coords = coordsChar(cm, x, y), line;\n if (forRect && coords.xRel == 1 && (line = getLine(cm.doc, coords.line).text).length == coords.ch) {\n var colDiff = countColumn(line, line.length, cm.options.tabSize) - line.length;\n coords = Pos(coords.line, Math.max(0, Math.round((x - paddingH(cm.display).left) / charWidth(cm.display)) - colDiff));\n }\n return coords\n}\n\n// Find the view element corresponding to a given line. Return null\n// when the line isn\'t visible.\nfunction findViewIndex(cm, n) {\n if (n >= cm.display.viewTo) { return null }\n n -= cm.display.viewFrom;\n if (n < 0) { return null }\n var view = cm.display.view;\n for (var i = 0; i < view.length; i++) {\n n -= view[i].size;\n if (n < 0) { return i }\n }\n}\n\nfunction updateSelection(cm) {\n cm.display.input.showSelection(cm.display.input.prepareSelection());\n}\n\nfunction prepareSelection(cm, primary) {\n if ( primary === void 0 ) primary = true;\n\n var doc = cm.doc, result = {};\n var curFragment = result.cursors = document.createDocumentFragment();\n var selFragment = result.selection = document.createDocumentFragment();\n\n for (var i = 0; i < doc.sel.ranges.length; i++) {\n if (!primary && i == doc.sel.primIndex) { continue }\n var range$$1 = doc.sel.ranges[i];\n if (range$$1.from().line >= cm.display.viewTo || range$$1.to().line < cm.display.viewFrom) { continue }\n var collapsed = range$$1.empty();\n if (collapsed || cm.options.showCursorWhenSelecting)\n { drawSelectionCursor(cm, range$$1.head, curFragment); }\n if (!collapsed)\n { drawSelectionRange(cm, range$$1, selFragment); }\n }\n return result\n}\n\n// Draws a cursor for the given range\nfunction drawSelectionCursor(cm, head, output) {\n var pos = cursorCoords(cm, head, "div", null, null, !cm.options.singleCursorHeightPerLine);\n\n var cursor = output.appendChild(elt("div", "\\u00a0", "CodeMirror-cursor"));\n cursor.style.left = pos.left + "px";\n cursor.style.top = pos.top + "px";\n cursor.style.height = Math.max(0, pos.bottom - pos.top) * cm.options.cursorHeight + "px";\n\n if (pos.other) {\n // Secondary cursor, shown when on a \'jump\' in bi-directional text\n var otherCursor = output.appendChild(elt("div", "\\u00a0", "CodeMirror-cursor CodeMirror-secondarycursor"));\n otherCursor.style.display = "";\n otherCursor.style.left = pos.other.left + "px";\n otherCursor.style.top = pos.other.top + "px";\n otherCursor.style.height = (pos.other.bottom - pos.other.top) * .85 + "px";\n }\n}\n\nfunction cmpCoords(a, b) { return a.top - b.top || a.left - b.left }\n\n// Draws the given range as a highlighted selection\nfunction drawSelectionRange(cm, range$$1, output) {\n var display = cm.display, doc = cm.doc;\n var fragment = document.createDocumentFragment();\n var padding = paddingH(cm.display), leftSide = padding.left;\n var rightSide = Math.max(display.sizerWidth, displayWidth(cm) - display.sizer.offsetLeft) - padding.right;\n var docLTR = doc.direction == "ltr";\n\n function add(left, top, width, bottom) {\n if (top < 0) { top = 0; }\n top = Math.round(top);\n bottom = Math.round(bottom);\n fragment.appendChild(elt("div", null, "CodeMirror-selected", ("position: absolute; left: " + left + "px;\\n top: " + top + "px; width: " + (width == null ? rightSide - left : width) + "px;\\n height: " + (bottom - top) + "px")));\n }\n\n function drawForLine(line, fromArg, toArg) {\n var lineObj = getLine(doc, line);\n var lineLen = lineObj.text.length;\n var start, end;\n function coords(ch, bias) {\n return charCoords(cm, Pos(line, ch), "div", lineObj, bias)\n }\n\n function wrapX(pos, dir, side) {\n var extent = wrappedLineExtentChar(cm, lineObj, null, pos);\n var prop = (dir == "ltr") == (side == "after") ? "left" : "right";\n var ch = side == "after" ? extent.begin : extent.end - (/\\s/.test(lineObj.text.charAt(extent.end - 1)) ? 2 : 1);\n return coords(ch, prop)[prop]\n }\n\n var order = getOrder(lineObj, doc.direction);\n iterateBidiSections(order, fromArg || 0, toArg == null ? lineLen : toArg, function (from, to, dir, i) {\n var ltr = dir == "ltr";\n var fromPos = coords(from, ltr ? "left" : "right");\n var toPos = coords(to - 1, ltr ? "right" : "left");\n\n var openStart = fromArg == null && from == 0, openEnd = toArg == null && to == lineLen;\n var first = i == 0, last = !order || i == order.length - 1;\n if (toPos.top - fromPos.top <= 3) { // Single line\n var openLeft = (docLTR ? openStart : openEnd) && first;\n var openRight = (docLTR ? openEnd : openStart) && last;\n var left = openLeft ? leftSide : (ltr ? fromPos : toPos).left;\n var right = openRight ? rightSide : (ltr ? toPos : fromPos).right;\n add(left, fromPos.top, right - left, fromPos.bottom);\n } else { // Multiple lines\n var topLeft, topRight, botLeft, botRight;\n if (ltr) {\n topLeft = docLTR && openStart && first ? leftSide : fromPos.left;\n topRight = docLTR ? rightSide : wrapX(from, dir, "before");\n botLeft = docLTR ? leftSide : wrapX(to, dir, "after");\n botRight = docLTR && openEnd && last ? rightSide : toPos.right;\n } else {\n topLeft = !docLTR ? leftSide : wrapX(from, dir, "before");\n topRight = !docLTR && openStart && first ? rightSide : fromPos.right;\n botLeft = !docLTR && openEnd && last ? leftSide : toPos.left;\n botRight = !docLTR ? rightSide : wrapX(to, dir, "after");\n }\n add(topLeft, fromPos.top, topRight - topLeft, fromPos.bottom);\n if (fromPos.bottom < toPos.top) { add(leftSide, fromPos.bottom, null, toPos.top); }\n add(botLeft, toPos.top, botRight - botLeft, toPos.bottom);\n }\n\n if (!start || cmpCoords(fromPos, start) < 0) { start = fromPos; }\n if (cmpCoords(toPos, start) < 0) { start = toPos; }\n if (!end || cmpCoords(fromPos, end) < 0) { end = fromPos; }\n if (cmpCoords(toPos, end) < 0) { end = toPos; }\n });\n return {start: start, end: end}\n }\n\n var sFrom = range$$1.from(), sTo = range$$1.to();\n if (sFrom.line == sTo.line) {\n drawForLine(sFrom.line, sFrom.ch, sTo.ch);\n } else {\n var fromLine = getLine(doc, sFrom.line), toLine = getLine(doc, sTo.line);\n var singleVLine = visualLine(fromLine) == visualLine(toLine);\n var leftEnd = drawForLine(sFrom.line, sFrom.ch, singleVLine ? fromLine.text.length + 1 : null).end;\n var rightStart = drawForLine(sTo.line, singleVLine ? 0 : null, sTo.ch).start;\n if (singleVLine) {\n if (leftEnd.top < rightStart.top - 2) {\n add(leftEnd.right, leftEnd.top, null, leftEnd.bottom);\n add(leftSide, rightStart.top, rightStart.left, rightStart.bottom);\n } else {\n add(leftEnd.right, leftEnd.top, rightStart.left - leftEnd.right, leftEnd.bottom);\n }\n }\n if (leftEnd.bottom < rightStart.top)\n { add(leftSide, leftEnd.bottom, null, rightStart.top); }\n }\n\n output.appendChild(fragment);\n}\n\n// Cursor-blinking\nfunction restartBlink(cm) {\n if (!cm.state.focused) { return }\n var display = cm.display;\n clearInterval(display.blinker);\n var on = true;\n display.cursorDiv.style.visibility = "";\n if (cm.options.cursorBlinkRate > 0)\n { display.blinker = setInterval(function () { return display.cursorDiv.style.visibility = (on = !on) ? "" : "hidden"; },\n cm.options.cursorBlinkRate); }\n else if (cm.options.cursorBlinkRate < 0)\n { display.cursorDiv.style.visibility = "hidden"; }\n}\n\nfunction ensureFocus(cm) {\n if (!cm.state.focused) { cm.display.input.focus(); onFocus(cm); }\n}\n\nfunction delayBlurEvent(cm) {\n cm.state.delayingBlurEvent = true;\n setTimeout(function () { if (cm.state.delayingBlurEvent) {\n cm.state.delayingBlurEvent = false;\n onBlur(cm);\n } }, 100);\n}\n\nfunction onFocus(cm, e) {\n if (cm.state.delayingBlurEvent) { cm.state.delayingBlurEvent = false; }\n\n if (cm.options.readOnly == "nocursor") { return }\n if (!cm.state.focused) {\n signal(cm, "focus", cm, e);\n cm.state.focused = true;\n addClass(cm.display.wrapper, "CodeMirror-focused");\n // This test prevents this from firing when a context\n // menu is closed (since the input reset would kill the\n // select-all detection hack)\n if (!cm.curOp && cm.display.selForContextMenu != cm.doc.sel) {\n cm.display.input.reset();\n if (webkit) { setTimeout(function () { return cm.display.input.reset(true); }, 20); } // Issue #1730\n }\n cm.display.input.receivedFocus();\n }\n restartBlink(cm);\n}\nfunction onBlur(cm, e) {\n if (cm.state.delayingBlurEvent) { return }\n\n if (cm.state.focused) {\n signal(cm, "blur", cm, e);\n cm.state.focused = false;\n rmClass(cm.display.wrapper, "CodeMirror-focused");\n }\n clearInterval(cm.display.blinker);\n setTimeout(function () { if (!cm.state.focused) { cm.display.shift = false; } }, 150);\n}\n\n// Read the actual heights of the rendered lines, and update their\n// stored heights to match.\nfunction updateHeightsInViewport(cm) {\n var display = cm.display;\n var prevBottom = display.lineDiv.offsetTop;\n for (var i = 0; i < display.view.length; i++) {\n var cur = display.view[i], height = (void 0);\n if (cur.hidden) { continue }\n if (ie && ie_version < 8) {\n var bot = cur.node.offsetTop + cur.node.offsetHeight;\n height = bot - prevBottom;\n prevBottom = bot;\n } else {\n var box = cur.node.getBoundingClientRect();\n height = box.bottom - box.top;\n }\n var diff = cur.line.height - height;\n if (height < 2) { height = textHeight(display); }\n if (diff > .005 || diff < -.005) {\n updateLineHeight(cur.line, height);\n updateWidgetHeight(cur.line);\n if (cur.rest) { for (var j = 0; j < cur.rest.length; j++)\n { updateWidgetHeight(cur.rest[j]); } }\n }\n }\n}\n\n// Read and store the height of line widgets associated with the\n// given line.\nfunction updateWidgetHeight(line) {\n if (line.widgets) { for (var i = 0; i < line.widgets.length; ++i)\n { line.widgets[i].height = line.widgets[i].node.parentNode.offsetHeight; } }\n}\n\n// Compute the lines that are visible in a given viewport (defaults\n// the the current scroll position). viewport may contain top,\n// height, and ensure (see op.scrollToPos) properties.\nfunction visibleLines(display, doc, viewport) {\n var top = viewport && viewport.top != null ? Math.max(0, viewport.top) : display.scroller.scrollTop;\n top = Math.floor(top - paddingTop(display));\n var bottom = viewport && viewport.bottom != null ? viewport.bottom : top + display.wrapper.clientHeight;\n\n var from = lineAtHeight(doc, top), to = lineAtHeight(doc, bottom);\n // Ensure is a {from: {line, ch}, to: {line, ch}} object, and\n // forces those lines into the viewport (if possible).\n if (viewport && viewport.ensure) {\n var ensureFrom = viewport.ensure.from.line, ensureTo = viewport.ensure.to.line;\n if (ensureFrom < from) {\n from = ensureFrom;\n to = lineAtHeight(doc, heightAtLine(getLine(doc, ensureFrom)) + display.wrapper.clientHeight);\n } else if (Math.min(ensureTo, doc.lastLine()) >= to) {\n from = lineAtHeight(doc, heightAtLine(getLine(doc, ensureTo)) - display.wrapper.clientHeight);\n to = ensureTo;\n }\n }\n return {from: from, to: Math.max(to, from + 1)}\n}\n\n// Re-align line numbers and gutter marks to compensate for\n// horizontal scrolling.\nfunction alignHorizontally(cm) {\n var display = cm.display, view = display.view;\n if (!display.alignWidgets && (!display.gutters.firstChild || !cm.options.fixedGutter)) { return }\n var comp = compensateForHScroll(display) - display.scroller.scrollLeft + cm.doc.scrollLeft;\n var gutterW = display.gutters.offsetWidth, left = comp + "px";\n for (var i = 0; i < view.length; i++) { if (!view[i].hidden) {\n if (cm.options.fixedGutter) {\n if (view[i].gutter)\n { view[i].gutter.style.left = left; }\n if (view[i].gutterBackground)\n { view[i].gutterBackground.style.left = left; }\n }\n var align = view[i].alignable;\n if (align) { for (var j = 0; j < align.length; j++)\n { align[j].style.left = left; } }\n } }\n if (cm.options.fixedGutter)\n { display.gutters.style.left = (comp + gutterW) + "px"; }\n}\n\n// Used to ensure that the line number gutter is still the right\n// size for the current document size. Returns true when an update\n// is needed.\nfunction maybeUpdateLineNumberWidth(cm) {\n if (!cm.options.lineNumbers) { return false }\n var doc = cm.doc, last = lineNumberFor(cm.options, doc.first + doc.size - 1), display = cm.display;\n if (last.length != display.lineNumChars) {\n var test = display.measure.appendChild(elt("div", [elt("div", last)],\n "CodeMirror-linenumber CodeMirror-gutter-elt"));\n var innerW = test.firstChild.offsetWidth, padding = test.offsetWidth - innerW;\n display.lineGutter.style.width = "";\n display.lineNumInnerWidth = Math.max(innerW, display.lineGutter.offsetWidth - padding) + 1;\n display.lineNumWidth = display.lineNumInnerWidth + padding;\n display.lineNumChars = display.lineNumInnerWidth ? last.length : -1;\n display.lineGutter.style.width = display.lineNumWidth + "px";\n updateGutterSpace(cm);\n return true\n }\n return false\n}\n\n// SCROLLING THINGS INTO VIEW\n\n// If an editor sits on the top or bottom of the window, partially\n// scrolled out of view, this ensures that the cursor is visible.\nfunction maybeScrollWindow(cm, rect) {\n if (signalDOMEvent(cm, "scrollCursorIntoView")) { return }\n\n var display = cm.display, box = display.sizer.getBoundingClientRect(), doScroll = null;\n if (rect.top + box.top < 0) { doScroll = true; }\n else if (rect.bottom + box.top > (window.innerHeight || document.documentElement.clientHeight)) { doScroll = false; }\n if (doScroll != null && !phantom) {\n var scrollNode = elt("div", "\\u200b", null, ("position: absolute;\\n top: " + (rect.top - display.viewOffset - paddingTop(cm.display)) + "px;\\n height: " + (rect.bottom - rect.top + scrollGap(cm) + display.barHeight) + "px;\\n left: " + (rect.left) + "px; width: " + (Math.max(2, rect.right - rect.left)) + "px;"));\n cm.display.lineSpace.appendChild(scrollNode);\n scrollNode.scrollIntoView(doScroll);\n cm.display.lineSpace.removeChild(scrollNode);\n }\n}\n\n// Scroll a given position into view (immediately), verifying that\n// it actually became visible (as line heights are accurately\n// measured, the position of something may \'drift\' during drawing).\nfunction scrollPosIntoView(cm, pos, end, margin) {\n if (margin == null) { margin = 0; }\n var rect;\n if (!cm.options.lineWrapping && pos == end) {\n // Set pos and end to the cursor positions around the character pos sticks to\n // If pos.sticky == "before", that is around pos.ch - 1, otherwise around pos.ch\n // If pos == Pos(_, 0, "before"), pos and end are unchanged\n pos = pos.ch ? Pos(pos.line, pos.sticky == "before" ? pos.ch - 1 : pos.ch, "after") : pos;\n end = pos.sticky == "before" ? Pos(pos.line, pos.ch + 1, "before") : pos;\n }\n for (var limit = 0; limit < 5; limit++) {\n var changed = false;\n var coords = cursorCoords(cm, pos);\n var endCoords = !end || end == pos ? coords : cursorCoords(cm, end);\n rect = {left: Math.min(coords.left, endCoords.left),\n top: Math.min(coords.top, endCoords.top) - margin,\n right: Math.max(coords.left, endCoords.left),\n bottom: Math.max(coords.bottom, endCoords.bottom) + margin};\n var scrollPos = calculateScrollPos(cm, rect);\n var startTop = cm.doc.scrollTop, startLeft = cm.doc.scrollLeft;\n if (scrollPos.scrollTop != null) {\n updateScrollTop(cm, scrollPos.scrollTop);\n if (Math.abs(cm.doc.scrollTop - startTop) > 1) { changed = true; }\n }\n if (scrollPos.scrollLeft != null) {\n setScrollLeft(cm, scrollPos.scrollLeft);\n if (Math.abs(cm.doc.scrollLeft - startLeft) > 1) { changed = true; }\n }\n if (!changed) { break }\n }\n return rect\n}\n\n// Scroll a given set of coordinates into view (immediately).\nfunction scrollIntoView(cm, rect) {\n var scrollPos = calculateScrollPos(cm, rect);\n if (scrollPos.scrollTop != null) { updateScrollTop(cm, scrollPos.scrollTop); }\n if (scrollPos.scrollLeft != null) { setScrollLeft(cm, scrollPos.scrollLeft); }\n}\n\n// Calculate a new scroll position needed to scroll the given\n// rectangle into view. Returns an object with scrollTop and\n// scrollLeft properties. When these are undefined, the\n// vertical/horizontal position does not need to be adjusted.\nfunction calculateScrollPos(cm, rect) {\n var display = cm.display, snapMargin = textHeight(cm.display);\n if (rect.top < 0) { rect.top = 0; }\n var screentop = cm.curOp && cm.curOp.scrollTop != null ? cm.curOp.scrollTop : display.scroller.scrollTop;\n var screen = displayHeight(cm), result = {};\n if (rect.bottom - rect.top > screen) { rect.bottom = rect.top + screen; }\n var docBottom = cm.doc.height + paddingVert(display);\n var atTop = rect.top < snapMargin, atBottom = rect.bottom > docBottom - snapMargin;\n if (rect.top < screentop) {\n result.scrollTop = atTop ? 0 : rect.top;\n } else if (rect.bottom > screentop + screen) {\n var newTop = Math.min(rect.top, (atBottom ? docBottom : rect.bottom) - screen);\n if (newTop != screentop) { result.scrollTop = newTop; }\n }\n\n var screenleft = cm.curOp && cm.curOp.scrollLeft != null ? cm.curOp.scrollLeft : display.scroller.scrollLeft;\n var screenw = displayWidth(cm) - (cm.options.fixedGutter ? display.gutters.offsetWidth : 0);\n var tooWide = rect.right - rect.left > screenw;\n if (tooWide) { rect.right = rect.left + screenw; }\n if (rect.left < 10)\n { result.scrollLeft = 0; }\n else if (rect.left < screenleft)\n { result.scrollLeft = Math.max(0, rect.left - (tooWide ? 0 : 10)); }\n else if (rect.right > screenw + screenleft - 3)\n { result.scrollLeft = rect.right + (tooWide ? 0 : 10) - screenw; }\n return result\n}\n\n// Store a relative adjustment to the scroll position in the current\n// operation (to be applied when the operation finishes).\nfunction addToScrollTop(cm, top) {\n if (top == null) { return }\n resolveScrollToPos(cm);\n cm.curOp.scrollTop = (cm.curOp.scrollTop == null ? cm.doc.scrollTop : cm.curOp.scrollTop) + top;\n}\n\n// Make sure that at the end of the operation the current cursor is\n// shown.\nfunction ensureCursorVisible(cm) {\n resolveScrollToPos(cm);\n var cur = cm.getCursor();\n cm.curOp.scrollToPos = {from: cur, to: cur, margin: cm.options.cursorScrollMargin};\n}\n\nfunction scrollToCoords(cm, x, y) {\n if (x != null || y != null) { resolveScrollToPos(cm); }\n if (x != null) { cm.curOp.scrollLeft = x; }\n if (y != null) { cm.curOp.scrollTop = y; }\n}\n\nfunction scrollToRange(cm, range$$1) {\n resolveScrollToPos(cm);\n cm.curOp.scrollToPos = range$$1;\n}\n\n// When an operation has its scrollToPos property set, and another\n// scroll action is applied before the end of the operation, this\n// \'simulates\' scrolling that position into view in a cheap way, so\n// that the effect of intermediate scroll commands is not ignored.\nfunction resolveScrollToPos(cm) {\n var range$$1 = cm.curOp.scrollToPos;\n if (range$$1) {\n cm.curOp.scrollToPos = null;\n var from = estimateCoords(cm, range$$1.from), to = estimateCoords(cm, range$$1.to);\n scrollToCoordsRange(cm, from, to, range$$1.margin);\n }\n}\n\nfunction scrollToCoordsRange(cm, from, to, margin) {\n var sPos = calculateScrollPos(cm, {\n left: Math.min(from.left, to.left),\n top: Math.min(from.top, to.top) - margin,\n right: Math.max(from.right, to.right),\n bottom: Math.max(from.bottom, to.bottom) + margin\n });\n scrollToCoords(cm, sPos.scrollLeft, sPos.scrollTop);\n}\n\n// Sync the scrollable area and scrollbars, ensure the viewport\n// covers the visible area.\nfunction updateScrollTop(cm, val) {\n if (Math.abs(cm.doc.scrollTop - val) < 2) { return }\n if (!gecko) { updateDisplaySimple(cm, {top: val}); }\n setScrollTop(cm, val, true);\n if (gecko) { updateDisplaySimple(cm); }\n startWorker(cm, 100);\n}\n\nfunction setScrollTop(cm, val, forceScroll) {\n val = Math.min(cm.display.scroller.scrollHeight - cm.display.scroller.clientHeight, val);\n if (cm.display.scroller.scrollTop == val && !forceScroll) { return }\n cm.doc.scrollTop = val;\n cm.display.scrollbars.setScrollTop(val);\n if (cm.display.scroller.scrollTop != val) { cm.display.scroller.scrollTop = val; }\n}\n\n// Sync scroller and scrollbar, ensure the gutter elements are\n// aligned.\nfunction setScrollLeft(cm, val, isScroller, forceScroll) {\n val = Math.min(val, cm.display.scroller.scrollWidth - cm.display.scroller.clientWidth);\n if ((isScroller ? val == cm.doc.scrollLeft : Math.abs(cm.doc.scrollLeft - val) < 2) && !forceScroll) { return }\n cm.doc.scrollLeft = val;\n alignHorizontally(cm);\n if (cm.display.scroller.scrollLeft != val) { cm.display.scroller.scrollLeft = val; }\n cm.display.scrollbars.setScrollLeft(val);\n}\n\n// SCROLLBARS\n\n// Prepare DOM reads needed to update the scrollbars. Done in one\n// shot to minimize update/measure roundtrips.\nfunction measureForScrollbars(cm) {\n var d = cm.display, gutterW = d.gutters.offsetWidth;\n var docH = Math.round(cm.doc.height + paddingVert(cm.display));\n return {\n clientHeight: d.scroller.clientHeight,\n viewHeight: d.wrapper.clientHeight,\n scrollWidth: d.scroller.scrollWidth, clientWidth: d.scroller.clientWidth,\n viewWidth: d.wrapper.clientWidth,\n barLeft: cm.options.fixedGutter ? gutterW : 0,\n docHeight: docH,\n scrollHeight: docH + scrollGap(cm) + d.barHeight,\n nativeBarWidth: d.nativeBarWidth,\n gutterWidth: gutterW\n }\n}\n\nvar NativeScrollbars = function(place, scroll, cm) {\n this.cm = cm;\n var vert = this.vert = elt("div", [elt("div", null, null, "min-width: 1px")], "CodeMirror-vscrollbar");\n var horiz = this.horiz = elt("div", [elt("div", null, null, "height: 100%; min-height: 1px")], "CodeMirror-hscrollbar");\n place(vert); place(horiz);\n\n on(vert, "scroll", function () {\n if (vert.clientHeight) { scroll(vert.scrollTop, "vertical"); }\n });\n on(horiz, "scroll", function () {\n if (horiz.clientWidth) { scroll(horiz.scrollLeft, "horizontal"); }\n });\n\n this.checkedZeroWidth = false;\n // Need to set a minimum width to see the scrollbar on IE7 (but must not set it on IE8).\n if (ie && ie_version < 8) { this.horiz.style.minHeight = this.vert.style.minWidth = "18px"; }\n};\n\nNativeScrollbars.prototype.update = function (measure) {\n var needsH = measure.scrollWidth > measure.clientWidth + 1;\n var needsV = measure.scrollHeight > measure.clientHeight + 1;\n var sWidth = measure.nativeBarWidth;\n\n if (needsV) {\n this.vert.style.display = "block";\n this.vert.style.bottom = needsH ? sWidth + "px" : "0";\n var totalHeight = measure.viewHeight - (needsH ? sWidth : 0);\n // A bug in IE8 can cause this value to be negative, so guard it.\n this.vert.firstChild.style.height =\n Math.max(0, measure.scrollHeight - measure.clientHeight + totalHeight) + "px";\n } else {\n this.vert.style.display = "";\n this.vert.firstChild.style.height = "0";\n }\n\n if (needsH) {\n this.horiz.style.display = "block";\n this.horiz.style.right = needsV ? sWidth + "px" : "0";\n this.horiz.style.left = measure.barLeft + "px";\n var totalWidth = measure.viewWidth - measure.barLeft - (needsV ? sWidth : 0);\n this.horiz.firstChild.style.width =\n Math.max(0, measure.scrollWidth - measure.clientWidth + totalWidth) + "px";\n } else {\n this.horiz.style.display = "";\n this.horiz.firstChild.style.width = "0";\n }\n\n if (!this.checkedZeroWidth && measure.clientHeight > 0) {\n if (sWidth == 0) { this.zeroWidthHack(); }\n this.checkedZeroWidth = true;\n }\n\n return {right: needsV ? sWidth : 0, bottom: needsH ? sWidth : 0}\n};\n\nNativeScrollbars.prototype.setScrollLeft = function (pos) {\n if (this.horiz.scrollLeft != pos) { this.horiz.scrollLeft = pos; }\n if (this.disableHoriz) { this.enableZeroWidthBar(this.horiz, this.disableHoriz, "horiz"); }\n};\n\nNativeScrollbars.prototype.setScrollTop = function (pos) {\n if (this.vert.scrollTop != pos) { this.vert.scrollTop = pos; }\n if (this.disableVert) { this.enableZeroWidthBar(this.vert, this.disableVert, "vert"); }\n};\n\nNativeScrollbars.prototype.zeroWidthHack = function () {\n var w = mac && !mac_geMountainLion ? "12px" : "18px";\n this.horiz.style.height = this.vert.style.width = w;\n this.horiz.style.pointerEvents = this.vert.style.pointerEvents = "none";\n this.disableHoriz = new Delayed;\n this.disableVert = new Delayed;\n};\n\nNativeScrollbars.prototype.enableZeroWidthBar = function (bar, delay, type) {\n bar.style.pointerEvents = "auto";\n function maybeDisable() {\n // To find out whether the scrollbar is still visible, we\n // check whether the element under the pixel in the bottom\n // right corner of the scrollbar box is the scrollbar box\n // itself (when the bar is still visible) or its filler child\n // (when the bar is hidden). If it is still visible, we keep\n // it enabled, if it\'s hidden, we disable pointer events.\n var box = bar.getBoundingClientRect();\n var elt$$1 = type == "vert" ? document.elementFromPoint(box.right - 1, (box.top + box.bottom) / 2)\n : document.elementFromPoint((box.right + box.left) / 2, box.bottom - 1);\n if (elt$$1 != bar) { bar.style.pointerEvents = "none"; }\n else { delay.set(1000, maybeDisable); }\n }\n delay.set(1000, maybeDisable);\n};\n\nNativeScrollbars.prototype.clear = function () {\n var parent = this.horiz.parentNode;\n parent.removeChild(this.horiz);\n parent.removeChild(this.vert);\n};\n\nvar NullScrollbars = function () {};\n\nNullScrollbars.prototype.update = function () { return {bottom: 0, right: 0} };\nNullScrollbars.prototype.setScrollLeft = function () {};\nNullScrollbars.prototype.setScrollTop = function () {};\nNullScrollbars.prototype.clear = function () {};\n\nfunction updateScrollbars(cm, measure) {\n if (!measure) { measure = measureForScrollbars(cm); }\n var startWidth = cm.display.barWidth, startHeight = cm.display.barHeight;\n updateScrollbarsInner(cm, measure);\n for (var i = 0; i < 4 && startWidth != cm.display.barWidth || startHeight != cm.display.barHeight; i++) {\n if (startWidth != cm.display.barWidth && cm.options.lineWrapping)\n { updateHeightsInViewport(cm); }\n updateScrollbarsInner(cm, measureForScrollbars(cm));\n startWidth = cm.display.barWidth; startHeight = cm.display.barHeight;\n }\n}\n\n// Re-synchronize the fake scrollbars with the actual size of the\n// content.\nfunction updateScrollbarsInner(cm, measure) {\n var d = cm.display;\n var sizes = d.scrollbars.update(measure);\n\n d.sizer.style.paddingRight = (d.barWidth = sizes.right) + "px";\n d.sizer.style.paddingBottom = (d.barHeight = sizes.bottom) + "px";\n d.heightForcer.style.borderBottom = sizes.bottom + "px solid transparent";\n\n if (sizes.right && sizes.bottom) {\n d.scrollbarFiller.style.display = "block";\n d.scrollbarFiller.style.height = sizes.bottom + "px";\n d.scrollbarFiller.style.width = sizes.right + "px";\n } else { d.scrollbarFiller.style.display = ""; }\n if (sizes.bottom && cm.options.coverGutterNextToScrollbar && cm.options.fixedGutter) {\n d.gutterFiller.style.display = "block";\n d.gutterFiller.style.height = sizes.bottom + "px";\n d.gutterFiller.style.width = measure.gutterWidth + "px";\n } else { d.gutterFiller.style.display = ""; }\n}\n\nvar scrollbarModel = {"native": NativeScrollbars, "null": NullScrollbars};\n\nfunction initScrollbars(cm) {\n if (cm.display.scrollbars) {\n cm.display.scrollbars.clear();\n if (cm.display.scrollbars.addClass)\n { rmClass(cm.display.wrapper, cm.display.scrollbars.addClass); }\n }\n\n cm.display.scrollbars = new scrollbarModel[cm.options.scrollbarStyle](function (node) {\n cm.display.wrapper.insertBefore(node, cm.display.scrollbarFiller);\n // Prevent clicks in the scrollbars from killing focus\n on(node, "mousedown", function () {\n if (cm.state.focused) { setTimeout(function () { return cm.display.input.focus(); }, 0); }\n });\n node.setAttribute("cm-not-content", "true");\n }, function (pos, axis) {\n if (axis == "horizontal") { setScrollLeft(cm, pos); }\n else { updateScrollTop(cm, pos); }\n }, cm);\n if (cm.display.scrollbars.addClass)\n { addClass(cm.display.wrapper, cm.display.scrollbars.addClass); }\n}\n\n// Operations are used to wrap a series of changes to the editor\n// state in such a way that each change won\'t have to update the\n// cursor and display (which would be awkward, slow, and\n// error-prone). Instead, display updates are batched and then all\n// combined and executed at once.\n\nvar nextOpId = 0;\n// Start a new operation.\nfunction startOperation(cm) {\n cm.curOp = {\n cm: cm,\n viewChanged: false, // Flag that indicates that lines might need to be redrawn\n startHeight: cm.doc.height, // Used to detect need to update scrollbar\n forceUpdate: false, // Used to force a redraw\n updateInput: null, // Whether to reset the input textarea\n typing: false, // Whether this reset should be careful to leave existing text (for compositing)\n changeObjs: null, // Accumulated changes, for firing change events\n cursorActivityHandlers: null, // Set of handlers to fire cursorActivity on\n cursorActivityCalled: 0, // Tracks which cursorActivity handlers have been called already\n selectionChanged: false, // Whether the selection needs to be redrawn\n updateMaxLine: false, // Set when the widest line needs to be determined anew\n scrollLeft: null, scrollTop: null, // Intermediate scroll position, not pushed to DOM yet\n scrollToPos: null, // Used to scroll to a specific position\n focus: false,\n id: ++nextOpId // Unique ID\n };\n pushOperation(cm.curOp);\n}\n\n// Finish an operation, updating the display and signalling delayed events\nfunction endOperation(cm) {\n var op = cm.curOp;\n finishOperation(op, function (group) {\n for (var i = 0; i < group.ops.length; i++)\n { group.ops[i].cm.curOp = null; }\n endOperations(group);\n });\n}\n\n// The DOM updates done when an operation finishes are batched so\n// that the minimum number of relayouts are required.\nfunction endOperations(group) {\n var ops = group.ops;\n for (var i = 0; i < ops.length; i++) // Read DOM\n { endOperation_R1(ops[i]); }\n for (var i$1 = 0; i$1 < ops.length; i$1++) // Write DOM (maybe)\n { endOperation_W1(ops[i$1]); }\n for (var i$2 = 0; i$2 < ops.length; i$2++) // Read DOM\n { endOperation_R2(ops[i$2]); }\n for (var i$3 = 0; i$3 < ops.length; i$3++) // Write DOM (maybe)\n { endOperation_W2(ops[i$3]); }\n for (var i$4 = 0; i$4 < ops.length; i$4++) // Read DOM\n { endOperation_finish(ops[i$4]); }\n}\n\nfunction endOperation_R1(op) {\n var cm = op.cm, display = cm.display;\n maybeClipScrollbars(cm);\n if (op.updateMaxLine) { findMaxLine(cm); }\n\n op.mustUpdate = op.viewChanged || op.forceUpdate || op.scrollTop != null ||\n op.scrollToPos && (op.scrollToPos.from.line < display.viewFrom ||\n op.scrollToPos.to.line >= display.viewTo) ||\n display.maxLineChanged && cm.options.lineWrapping;\n op.update = op.mustUpdate &&\n new DisplayUpdate(cm, op.mustUpdate && {top: op.scrollTop, ensure: op.scrollToPos}, op.forceUpdate);\n}\n\nfunction endOperation_W1(op) {\n op.updatedDisplay = op.mustUpdate && updateDisplayIfNeeded(op.cm, op.update);\n}\n\nfunction endOperation_R2(op) {\n var cm = op.cm, display = cm.display;\n if (op.updatedDisplay) { updateHeightsInViewport(cm); }\n\n op.barMeasure = measureForScrollbars(cm);\n\n // If the max line changed since it was last measured, measure it,\n // and ensure the document\'s width matches it.\n // updateDisplay_W2 will use these properties to do the actual resizing\n if (display.maxLineChanged && !cm.options.lineWrapping) {\n op.adjustWidthTo = measureChar(cm, display.maxLine, display.maxLine.text.length).left + 3;\n cm.display.sizerWidth = op.adjustWidthTo;\n op.barMeasure.scrollWidth =\n Math.max(display.scroller.clientWidth, display.sizer.offsetLeft + op.adjustWidthTo + scrollGap(cm) + cm.display.barWidth);\n op.maxScrollLeft = Math.max(0, display.sizer.offsetLeft + op.adjustWidthTo - displayWidth(cm));\n }\n\n if (op.updatedDisplay || op.selectionChanged)\n { op.preparedSelection = display.input.prepareSelection(); }\n}\n\nfunction endOperation_W2(op) {\n var cm = op.cm;\n\n if (op.adjustWidthTo != null) {\n cm.display.sizer.style.minWidth = op.adjustWidthTo + "px";\n if (op.maxScrollLeft < cm.doc.scrollLeft)\n { setScrollLeft(cm, Math.min(cm.display.scroller.scrollLeft, op.maxScrollLeft), true); }\n cm.display.maxLineChanged = false;\n }\n\n var takeFocus = op.focus && op.focus == activeElt();\n if (op.preparedSelection)\n { cm.display.input.showSelection(op.preparedSelection, takeFocus); }\n if (op.updatedDisplay || op.startHeight != cm.doc.height)\n { updateScrollbars(cm, op.barMeasure); }\n if (op.updatedDisplay)\n { setDocumentHeight(cm, op.barMeasure); }\n\n if (op.selectionChanged) { restartBlink(cm); }\n\n if (cm.state.focused && op.updateInput)\n { cm.display.input.reset(op.typing); }\n if (takeFocus) { ensureFocus(op.cm); }\n}\n\nfunction endOperation_finish(op) {\n var cm = op.cm, display = cm.display, doc = cm.doc;\n\n if (op.updatedDisplay) { postUpdateDisplay(cm, op.update); }\n\n // Abort mouse wheel delta measurement, when scrolling explicitly\n if (display.wheelStartX != null && (op.scrollTop != null || op.scrollLeft != null || op.scrollToPos))\n { display.wheelStartX = display.wheelStartY = null; }\n\n // Propagate the scroll position to the actual DOM scroller\n if (op.scrollTop != null) { setScrollTop(cm, op.scrollTop, op.forceScroll); }\n\n if (op.scrollLeft != null) { setScrollLeft(cm, op.scrollLeft, true, true); }\n // If we need to scroll a specific position into view, do so.\n if (op.scrollToPos) {\n var rect = scrollPosIntoView(cm, clipPos(doc, op.scrollToPos.from),\n clipPos(doc, op.scrollToPos.to), op.scrollToPos.margin);\n maybeScrollWindow(cm, rect);\n }\n\n // Fire events for markers that are hidden/unidden by editing or\n // undoing\n var hidden = op.maybeHiddenMarkers, unhidden = op.maybeUnhiddenMarkers;\n if (hidden) { for (var i = 0; i < hidden.length; ++i)\n { if (!hidden[i].lines.length) { signal(hidden[i], "hide"); } } }\n if (unhidden) { for (var i$1 = 0; i$1 < unhidden.length; ++i$1)\n { if (unhidden[i$1].lines.length) { signal(unhidden[i$1], "unhide"); } } }\n\n if (display.wrapper.offsetHeight)\n { doc.scrollTop = cm.display.scroller.scrollTop; }\n\n // Fire change events, and delayed event handlers\n if (op.changeObjs)\n { signal(cm, "changes", cm, op.changeObjs); }\n if (op.update)\n { op.update.finish(); }\n}\n\n// Run the given function in an operation\nfunction runInOp(cm, f) {\n if (cm.curOp) { return f() }\n startOperation(cm);\n try { return f() }\n finally { endOperation(cm); }\n}\n// Wraps a function in an operation. Returns the wrapped function.\nfunction operation(cm, f) {\n return function() {\n if (cm.curOp) { return f.apply(cm, arguments) }\n startOperation(cm);\n try { return f.apply(cm, arguments) }\n finally { endOperation(cm); }\n }\n}\n// Used to add methods to editor and doc instances, wrapping them in\n// operations.\nfunction methodOp(f) {\n return function() {\n if (this.curOp) { return f.apply(this, arguments) }\n startOperation(this);\n try { return f.apply(this, arguments) }\n finally { endOperation(this); }\n }\n}\nfunction docMethodOp(f) {\n return function() {\n var cm = this.cm;\n if (!cm || cm.curOp) { return f.apply(this, arguments) }\n startOperation(cm);\n try { return f.apply(this, arguments) }\n finally { endOperation(cm); }\n }\n}\n\n// Updates the display.view data structure for a given change to the\n// document. From and to are in pre-change coordinates. Lendiff is\n// the amount of lines added or subtracted by the change. This is\n// used for changes that span multiple lines, or change the way\n// lines are divided into visual lines. regLineChange (below)\n// registers single-line changes.\nfunction regChange(cm, from, to, lendiff) {\n if (from == null) { from = cm.doc.first; }\n if (to == null) { to = cm.doc.first + cm.doc.size; }\n if (!lendiff) { lendiff = 0; }\n\n var display = cm.display;\n if (lendiff && to < display.viewTo &&\n (display.updateLineNumbers == null || display.updateLineNumbers > from))\n { display.updateLineNumbers = from; }\n\n cm.curOp.viewChanged = true;\n\n if (from >= display.viewTo) { // Change after\n if (sawCollapsedSpans && visualLineNo(cm.doc, from) < display.viewTo)\n { resetView(cm); }\n } else if (to <= display.viewFrom) { // Change before\n if (sawCollapsedSpans && visualLineEndNo(cm.doc, to + lendiff) > display.viewFrom) {\n resetView(cm);\n } else {\n display.viewFrom += lendiff;\n display.viewTo += lendiff;\n }\n } else if (from <= display.viewFrom && to >= display.viewTo) { // Full overlap\n resetView(cm);\n } else if (from <= display.viewFrom) { // Top overlap\n var cut = viewCuttingPoint(cm, to, to + lendiff, 1);\n if (cut) {\n display.view = display.view.slice(cut.index);\n display.viewFrom = cut.lineN;\n display.viewTo += lendiff;\n } else {\n resetView(cm);\n }\n } else if (to >= display.viewTo) { // Bottom overlap\n var cut$1 = viewCuttingPoint(cm, from, from, -1);\n if (cut$1) {\n display.view = display.view.slice(0, cut$1.index);\n display.viewTo = cut$1.lineN;\n } else {\n resetView(cm);\n }\n } else { // Gap in the middle\n var cutTop = viewCuttingPoint(cm, from, from, -1);\n var cutBot = viewCuttingPoint(cm, to, to + lendiff, 1);\n if (cutTop && cutBot) {\n display.view = display.view.slice(0, cutTop.index)\n .concat(buildViewArray(cm, cutTop.lineN, cutBot.lineN))\n .concat(display.view.slice(cutBot.index));\n display.viewTo += lendiff;\n } else {\n resetView(cm);\n }\n }\n\n var ext = display.externalMeasured;\n if (ext) {\n if (to < ext.lineN)\n { ext.lineN += lendiff; }\n else if (from < ext.lineN + ext.size)\n { display.externalMeasured = null; }\n }\n}\n\n// Register a change to a single line. Type must be one of "text",\n// "gutter", "class", "widget"\nfunction regLineChange(cm, line, type) {\n cm.curOp.viewChanged = true;\n var display = cm.display, ext = cm.display.externalMeasured;\n if (ext && line >= ext.lineN && line < ext.lineN + ext.size)\n { display.externalMeasured = null; }\n\n if (line < display.viewFrom || line >= display.viewTo) { return }\n var lineView = display.view[findViewIndex(cm, line)];\n if (lineView.node == null) { return }\n var arr = lineView.changes || (lineView.changes = []);\n if (indexOf(arr, type) == -1) { arr.push(type); }\n}\n\n// Clear the view.\nfunction resetView(cm) {\n cm.display.viewFrom = cm.display.viewTo = cm.doc.first;\n cm.display.view = [];\n cm.display.viewOffset = 0;\n}\n\nfunction viewCuttingPoint(cm, oldN, newN, dir) {\n var index = findViewIndex(cm, oldN), diff, view = cm.display.view;\n if (!sawCollapsedSpans || newN == cm.doc.first + cm.doc.size)\n { return {index: index, lineN: newN} }\n var n = cm.display.viewFrom;\n for (var i = 0; i < index; i++)\n { n += view[i].size; }\n if (n != oldN) {\n if (dir > 0) {\n if (index == view.length - 1) { return null }\n diff = (n + view[index].size) - oldN;\n index++;\n } else {\n diff = n - oldN;\n }\n oldN += diff; newN += diff;\n }\n while (visualLineNo(cm.doc, newN) != newN) {\n if (index == (dir < 0 ? 0 : view.length - 1)) { return null }\n newN += dir * view[index - (dir < 0 ? 1 : 0)].size;\n index += dir;\n }\n return {index: index, lineN: newN}\n}\n\n// Force the view to cover a given range, adding empty view element\n// or clipping off existing ones as needed.\nfunction adjustView(cm, from, to) {\n var display = cm.display, view = display.view;\n if (view.length == 0 || from >= display.viewTo || to <= display.viewFrom) {\n display.view = buildViewArray(cm, from, to);\n display.viewFrom = from;\n } else {\n if (display.viewFrom > from)\n { display.view = buildViewArray(cm, from, display.viewFrom).concat(display.view); }\n else if (display.viewFrom < from)\n { display.view = display.view.slice(findViewIndex(cm, from)); }\n display.viewFrom = from;\n if (display.viewTo < to)\n { display.view = display.view.concat(buildViewArray(cm, display.viewTo, to)); }\n else if (display.viewTo > to)\n { display.view = display.view.slice(0, findViewIndex(cm, to)); }\n }\n display.viewTo = to;\n}\n\n// Count the number of lines in the view whose DOM representation is\n// out of date (or nonexistent).\nfunction countDirtyView(cm) {\n var view = cm.display.view, dirty = 0;\n for (var i = 0; i < view.length; i++) {\n var lineView = view[i];\n if (!lineView.hidden && (!lineView.node || lineView.changes)) { ++dirty; }\n }\n return dirty\n}\n\n// HIGHLIGHT WORKER\n\nfunction startWorker(cm, time) {\n if (cm.doc.highlightFrontier < cm.display.viewTo)\n { cm.state.highlight.set(time, bind(highlightWorker, cm)); }\n}\n\nfunction highlightWorker(cm) {\n var doc = cm.doc;\n if (doc.highlightFrontier >= cm.display.viewTo) { return }\n var end = +new Date + cm.options.workTime;\n var context = getContextBefore(cm, doc.highlightFrontier);\n var changedLines = [];\n\n doc.iter(context.line, Math.min(doc.first + doc.size, cm.display.viewTo + 500), function (line) {\n if (context.line >= cm.display.viewFrom) { // Visible\n var oldStyles = line.styles;\n var resetState = line.text.length > cm.options.maxHighlightLength ? copyState(doc.mode, context.state) : null;\n var highlighted = highlightLine(cm, line, context, true);\n if (resetState) { context.state = resetState; }\n line.styles = highlighted.styles;\n var oldCls = line.styleClasses, newCls = highlighted.classes;\n if (newCls) { line.styleClasses = newCls; }\n else if (oldCls) { line.styleClasses = null; }\n var ischange = !oldStyles || oldStyles.length != line.styles.length ||\n oldCls != newCls && (!oldCls || !newCls || oldCls.bgClass != newCls.bgClass || oldCls.textClass != newCls.textClass);\n for (var i = 0; !ischange && i < oldStyles.length; ++i) { ischange = oldStyles[i] != line.styles[i]; }\n if (ischange) { changedLines.push(context.line); }\n line.stateAfter = context.save();\n context.nextLine();\n } else {\n if (line.text.length <= cm.options.maxHighlightLength)\n { processLine(cm, line.text, context); }\n line.stateAfter = context.line % 5 == 0 ? context.save() : null;\n context.nextLine();\n }\n if (+new Date > end) {\n startWorker(cm, cm.options.workDelay);\n return true\n }\n });\n doc.highlightFrontier = context.line;\n doc.modeFrontier = Math.max(doc.modeFrontier, context.line);\n if (changedLines.length) { runInOp(cm, function () {\n for (var i = 0; i < changedLines.length; i++)\n { regLineChange(cm, changedLines[i], "text"); }\n }); }\n}\n\n// DISPLAY DRAWING\n\nvar DisplayUpdate = function(cm, viewport, force) {\n var display = cm.display;\n\n this.viewport = viewport;\n // Store some values that we\'ll need later (but don\'t want to force a relayout for)\n this.visible = visibleLines(display, cm.doc, viewport);\n this.editorIsHidden = !display.wrapper.offsetWidth;\n this.wrapperHeight = display.wrapper.clientHeight;\n this.wrapperWidth = display.wrapper.clientWidth;\n this.oldDisplayWidth = displayWidth(cm);\n this.force = force;\n this.dims = getDimensions(cm);\n this.events = [];\n};\n\nDisplayUpdate.prototype.signal = function (emitter, type) {\n if (hasHandler(emitter, type))\n { this.events.push(arguments); }\n};\nDisplayUpdate.prototype.finish = function () {\n var this$1 = this;\n\n for (var i = 0; i < this.events.length; i++)\n { signal.apply(null, this$1.events[i]); }\n};\n\nfunction maybeClipScrollbars(cm) {\n var display = cm.display;\n if (!display.scrollbarsClipped && display.scroller.offsetWidth) {\n display.nativeBarWidth = display.scroller.offsetWidth - display.scroller.clientWidth;\n display.heightForcer.style.height = scrollGap(cm) + "px";\n display.sizer.style.marginBottom = -display.nativeBarWidth + "px";\n display.sizer.style.borderRightWidth = scrollGap(cm) + "px";\n display.scrollbarsClipped = true;\n }\n}\n\nfunction selectionSnapshot(cm) {\n if (cm.hasFocus()) { return null }\n var active = activeElt();\n if (!active || !contains(cm.display.lineDiv, active)) { return null }\n var result = {activeElt: active};\n if (window.getSelection) {\n var sel = window.getSelection();\n if (sel.anchorNode && sel.extend && contains(cm.display.lineDiv, sel.anchorNode)) {\n result.anchorNode = sel.anchorNode;\n result.anchorOffset = sel.anchorOffset;\n result.focusNode = sel.focusNode;\n result.focusOffset = sel.focusOffset;\n }\n }\n return result\n}\n\nfunction restoreSelection(snapshot) {\n if (!snapshot || !snapshot.activeElt || snapshot.activeElt == activeElt()) { return }\n snapshot.activeElt.focus();\n if (snapshot.anchorNode && contains(document.body, snapshot.anchorNode) && contains(document.body, snapshot.focusNode)) {\n var sel = window.getSelection(), range$$1 = document.createRange();\n range$$1.setEnd(snapshot.anchorNode, snapshot.anchorOffset);\n range$$1.collapse(false);\n sel.removeAllRanges();\n sel.addRange(range$$1);\n sel.extend(snapshot.focusNode, snapshot.focusOffset);\n }\n}\n\n// Does the actual updating of the line display. Bails out\n// (returning false) when there is nothing to be done and forced is\n// false.\nfunction updateDisplayIfNeeded(cm, update) {\n var display = cm.display, doc = cm.doc;\n\n if (update.editorIsHidden) {\n resetView(cm);\n return false\n }\n\n // Bail out if the visible area is already rendered and nothing changed.\n if (!update.force &&\n update.visible.from >= display.viewFrom && update.visible.to <= display.viewTo &&\n (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo) &&\n display.renderedView == display.view && countDirtyView(cm) == 0)\n { return false }\n\n if (maybeUpdateLineNumberWidth(cm)) {\n resetView(cm);\n update.dims = getDimensions(cm);\n }\n\n // Compute a suitable new viewport (from & to)\n var end = doc.first + doc.size;\n var from = Math.max(update.visible.from - cm.options.viewportMargin, doc.first);\n var to = Math.min(end, update.visible.to + cm.options.viewportMargin);\n if (display.viewFrom < from && from - display.viewFrom < 20) { from = Math.max(doc.first, display.viewFrom); }\n if (display.viewTo > to && display.viewTo - to < 20) { to = Math.min(end, display.viewTo); }\n if (sawCollapsedSpans) {\n from = visualLineNo(cm.doc, from);\n to = visualLineEndNo(cm.doc, to);\n }\n\n var different = from != display.viewFrom || to != display.viewTo ||\n display.lastWrapHeight != update.wrapperHeight || display.lastWrapWidth != update.wrapperWidth;\n adjustView(cm, from, to);\n\n display.viewOffset = heightAtLine(getLine(cm.doc, display.viewFrom));\n // Position the mover div to align with the current scroll position\n cm.display.mover.style.top = display.viewOffset + "px";\n\n var toUpdate = countDirtyView(cm);\n if (!different && toUpdate == 0 && !update.force && display.renderedView == display.view &&\n (display.updateLineNumbers == null || display.updateLineNumbers >= display.viewTo))\n { return false }\n\n // For big changes, we hide the enclosing element during the\n // update, since that speeds up the operations on most browsers.\n var selSnapshot = selectionSnapshot(cm);\n if (toUpdate > 4) { display.lineDiv.style.display = "none"; }\n patchDisplay(cm, display.updateLineNumbers, update.dims);\n if (toUpdate > 4) { display.lineDiv.style.display = ""; }\n display.renderedView = display.view;\n // There might have been a widget with a focused element that got\n // hidden or updated, if so re-focus it.\n restoreSelection(selSnapshot);\n\n // Prevent selection and cursors from interfering with the scroll\n // width and height.\n removeChildren(display.cursorDiv);\n removeChildren(display.selectionDiv);\n display.gutters.style.height = display.sizer.style.minHeight = 0;\n\n if (different) {\n display.lastWrapHeight = update.wrapperHeight;\n display.lastWrapWidth = update.wrapperWidth;\n startWorker(cm, 400);\n }\n\n display.updateLineNumbers = null;\n\n return true\n}\n\nfunction postUpdateDisplay(cm, update) {\n var viewport = update.viewport;\n\n for (var first = true;; first = false) {\n if (!first || !cm.options.lineWrapping || update.oldDisplayWidth == displayWidth(cm)) {\n // Clip forced viewport to actual scrollable area.\n if (viewport && viewport.top != null)\n { viewport = {top: Math.min(cm.doc.height + paddingVert(cm.display) - displayHeight(cm), viewport.top)}; }\n // Updated line heights might result in the drawn area not\n // actually covering the viewport. Keep looping until it does.\n update.visible = visibleLines(cm.display, cm.doc, viewport);\n if (update.visible.from >= cm.display.viewFrom && update.visible.to <= cm.display.viewTo)\n { break }\n }\n if (!updateDisplayIfNeeded(cm, update)) { break }\n updateHeightsInViewport(cm);\n var barMeasure = measureForScrollbars(cm);\n updateSelection(cm);\n updateScrollbars(cm, barMeasure);\n setDocumentHeight(cm, barMeasure);\n update.force = false;\n }\n\n update.signal(cm, "update", cm);\n if (cm.display.viewFrom != cm.display.reportedViewFrom || cm.display.viewTo != cm.display.reportedViewTo) {\n update.signal(cm, "viewportChange", cm, cm.display.viewFrom, cm.display.viewTo);\n cm.display.reportedViewFrom = cm.display.viewFrom; cm.display.reportedViewTo = cm.display.viewTo;\n }\n}\n\nfunction updateDisplaySimple(cm, viewport) {\n var update = new DisplayUpdate(cm, viewport);\n if (updateDisplayIfNeeded(cm, update)) {\n updateHeightsInViewport(cm);\n postUpdateDisplay(cm, update);\n var barMeasure = measureForScrollbars(cm);\n updateSelection(cm);\n updateScrollbars(cm, barMeasure);\n setDocumentHeight(cm, barMeasure);\n update.finish();\n }\n}\n\n// Sync the actual display DOM structure with display.view, removing\n// nodes for lines that are no longer in view, and creating the ones\n// that are not there yet, and updating the ones that are out of\n// date.\nfunction patchDisplay(cm, updateNumbersFrom, dims) {\n var display = cm.display, lineNumbers = cm.options.lineNumbers;\n var container = display.lineDiv, cur = container.firstChild;\n\n function rm(node) {\n var next = node.nextSibling;\n // Works around a throw-scroll bug in OS X Webkit\n if (webkit && mac && cm.display.currentWheelTarget == node)\n { node.style.display = "none"; }\n else\n { node.parentNode.removeChild(node); }\n return next\n }\n\n var view = display.view, lineN = display.viewFrom;\n // Loop over the elements in the view, syncing cur (the DOM nodes\n // in display.lineDiv) with the view as we go.\n for (var i = 0; i < view.length; i++) {\n var lineView = view[i];\n if (lineView.hidden) {\n } else if (!lineView.node || lineView.node.parentNode != container) { // Not drawn yet\n var node = buildLineElement(cm, lineView, lineN, dims);\n container.insertBefore(node, cur);\n } else { // Already drawn\n while (cur != lineView.node) { cur = rm(cur); }\n var updateNumber = lineNumbers && updateNumbersFrom != null &&\n updateNumbersFrom <= lineN && lineView.lineNumber;\n if (lineView.changes) {\n if (indexOf(lineView.changes, "gutter") > -1) { updateNumber = false; }\n updateLineForChanges(cm, lineView, lineN, dims);\n }\n if (updateNumber) {\n removeChildren(lineView.lineNumber);\n lineView.lineNumber.appendChild(document.createTextNode(lineNumberFor(cm.options, lineN)));\n }\n cur = lineView.node.nextSibling;\n }\n lineN += lineView.size;\n }\n while (cur) { cur = rm(cur); }\n}\n\nfunction updateGutterSpace(cm) {\n var width = cm.display.gutters.offsetWidth;\n cm.display.sizer.style.marginLeft = width + "px";\n}\n\nfunction setDocumentHeight(cm, measure) {\n cm.display.sizer.style.minHeight = measure.docHeight + "px";\n cm.display.heightForcer.style.top = measure.docHeight + "px";\n cm.display.gutters.style.height = (measure.docHeight + cm.display.barHeight + scrollGap(cm)) + "px";\n}\n\n// Rebuild the gutter elements, ensure the margin to the left of the\n// code matches their width.\nfunction updateGutters(cm) {\n var gutters = cm.display.gutters, specs = cm.options.gutters;\n removeChildren(gutters);\n var i = 0;\n for (; i < specs.length; ++i) {\n var gutterClass = specs[i];\n var gElt = gutters.appendChild(elt("div", null, "CodeMirror-gutter " + gutterClass));\n if (gutterClass == "CodeMirror-linenumbers") {\n cm.display.lineGutter = gElt;\n gElt.style.width = (cm.display.lineNumWidth || 1) + "px";\n }\n }\n gutters.style.display = i ? "" : "none";\n updateGutterSpace(cm);\n}\n\n// Make sure the gutters options contains the element\n// "CodeMirror-linenumbers" when the lineNumbers option is true.\nfunction setGuttersForLineNumbers(options) {\n var found = indexOf(options.gutters, "CodeMirror-linenumbers");\n if (found == -1 && options.lineNumbers) {\n options.gutters = options.gutters.concat(["CodeMirror-linenumbers"]);\n } else if (found > -1 && !options.lineNumbers) {\n options.gutters = options.gutters.slice(0);\n options.gutters.splice(found, 1);\n }\n}\n\n// Since the delta values reported on mouse wheel events are\n// unstandardized between browsers and even browser versions, and\n// generally horribly unpredictable, this code starts by measuring\n// the scroll effect that the first few mouse wheel events have,\n// and, from that, detects the way it can convert deltas to pixel\n// offsets afterwards.\n//\n// The reason we want to know the amount a wheel event will scroll\n// is that it gives us a chance to update the display before the\n// actual scrolling happens, reducing flickering.\n\nvar wheelSamples = 0;\nvar wheelPixelsPerUnit = null;\n// Fill in a browser-detected starting value on browsers where we\n// know one. These don\'t have to be accurate -- the result of them\n// being wrong would just be a slight flicker on the first wheel\n// scroll (if it is large enough).\nif (ie) { wheelPixelsPerUnit = -.53; }\nelse if (gecko) { wheelPixelsPerUnit = 15; }\nelse if (chrome) { wheelPixelsPerUnit = -.7; }\nelse if (safari) { wheelPixelsPerUnit = -1/3; }\n\nfunction wheelEventDelta(e) {\n var dx = e.wheelDeltaX, dy = e.wheelDeltaY;\n if (dx == null && e.detail && e.axis == e.HORIZONTAL_AXIS) { dx = e.detail; }\n if (dy == null && e.detail && e.axis == e.VERTICAL_AXIS) { dy = e.detail; }\n else if (dy == null) { dy = e.wheelDelta; }\n return {x: dx, y: dy}\n}\nfunction wheelEventPixels(e) {\n var delta = wheelEventDelta(e);\n delta.x *= wheelPixelsPerUnit;\n delta.y *= wheelPixelsPerUnit;\n return delta\n}\n\nfunction onScrollWheel(cm, e) {\n var delta = wheelEventDelta(e), dx = delta.x, dy = delta.y;\n\n var display = cm.display, scroll = display.scroller;\n // Quit if there\'s nothing to scroll here\n var canScrollX = scroll.scrollWidth > scroll.clientWidth;\n var canScrollY = scroll.scrollHeight > scroll.clientHeight;\n if (!(dx && canScrollX || dy && canScrollY)) { return }\n\n // Webkit browsers on OS X abort momentum scrolls when the target\n // of the scroll event is removed from the scrollable element.\n // This hack (see related code in patchDisplay) makes sure the\n // element is kept around.\n if (dy && mac && webkit) {\n outer: for (var cur = e.target, view = display.view; cur != scroll; cur = cur.parentNode) {\n for (var i = 0; i < view.length; i++) {\n if (view[i].node == cur) {\n cm.display.currentWheelTarget = cur;\n break outer\n }\n }\n }\n }\n\n // On some browsers, horizontal scrolling will cause redraws to\n // happen before the gutter has been realigned, causing it to\n // wriggle around in a most unseemly way. When we have an\n // estimated pixels/delta value, we just handle horizontal\n // scrolling entirely here. It\'ll be slightly off from native, but\n // better than glitching out.\n if (dx && !gecko && !presto && wheelPixelsPerUnit != null) {\n if (dy && canScrollY)\n { updateScrollTop(cm, Math.max(0, scroll.scrollTop + dy * wheelPixelsPerUnit)); }\n setScrollLeft(cm, Math.max(0, scroll.scrollLeft + dx * wheelPixelsPerUnit));\n // Only prevent default scrolling if vertical scrolling is\n // actually possible. Otherwise, it causes vertical scroll\n // jitter on OSX trackpads when deltaX is small and deltaY\n // is large (issue #3579)\n if (!dy || (dy && canScrollY))\n { e_preventDefault(e); }\n display.wheelStartX = null; // Abort measurement, if in progress\n return\n }\n\n // \'Project\' the visible viewport to cover the area that is being\n // scrolled into view (if we know enough to estimate it).\n if (dy && wheelPixelsPerUnit != null) {\n var pixels = dy * wheelPixelsPerUnit;\n var top = cm.doc.scrollTop, bot = top + display.wrapper.clientHeight;\n if (pixels < 0) { top = Math.max(0, top + pixels - 50); }\n else { bot = Math.min(cm.doc.height, bot + pixels + 50); }\n updateDisplaySimple(cm, {top: top, bottom: bot});\n }\n\n if (wheelSamples < 20) {\n if (display.wheelStartX == null) {\n display.wheelStartX = scroll.scrollLeft; display.wheelStartY = scroll.scrollTop;\n display.wheelDX = dx; display.wheelDY = dy;\n setTimeout(function () {\n if (display.wheelStartX == null) { return }\n var movedX = scroll.scrollLeft - display.wheelStartX;\n var movedY = scroll.scrollTop - display.wheelStartY;\n var sample = (movedY && display.wheelDY && movedY / display.wheelDY) ||\n (movedX && display.wheelDX && movedX / display.wheelDX);\n display.wheelStartX = display.wheelStartY = null;\n if (!sample) { return }\n wheelPixelsPerUnit = (wheelPixelsPerUnit * wheelSamples + sample) / (wheelSamples + 1);\n ++wheelSamples;\n }, 200);\n } else {\n display.wheelDX += dx; display.wheelDY += dy;\n }\n }\n}\n\n// Selection objects are immutable. A new one is created every time\n// the selection changes. A selection is one or more non-overlapping\n// (and non-touching) ranges, sorted, and an integer that indicates\n// which one is the primary selection (the one that\'s scrolled into\n// view, that getCursor returns, etc).\nvar Selection = function(ranges, primIndex) {\n this.ranges = ranges;\n this.primIndex = primIndex;\n};\n\nSelection.prototype.primary = function () { return this.ranges[this.primIndex] };\n\nSelection.prototype.equals = function (other) {\n var this$1 = this;\n\n if (other == this) { return true }\n if (other.primIndex != this.primIndex || other.ranges.length != this.ranges.length) { return false }\n for (var i = 0; i < this.ranges.length; i++) {\n var here = this$1.ranges[i], there = other.ranges[i];\n if (!equalCursorPos(here.anchor, there.anchor) || !equalCursorPos(here.head, there.head)) { return false }\n }\n return true\n};\n\nSelection.prototype.deepCopy = function () {\n var this$1 = this;\n\n var out = [];\n for (var i = 0; i < this.ranges.length; i++)\n { out[i] = new Range(copyPos(this$1.ranges[i].anchor), copyPos(this$1.ranges[i].head)); }\n return new Selection(out, this.primIndex)\n};\n\nSelection.prototype.somethingSelected = function () {\n var this$1 = this;\n\n for (var i = 0; i < this.ranges.length; i++)\n { if (!this$1.ranges[i].empty()) { return true } }\n return false\n};\n\nSelection.prototype.contains = function (pos, end) {\n var this$1 = this;\n\n if (!end) { end = pos; }\n for (var i = 0; i < this.ranges.length; i++) {\n var range = this$1.ranges[i];\n if (cmp(end, range.from()) >= 0 && cmp(pos, range.to()) <= 0)\n { return i }\n }\n return -1\n};\n\nvar Range = function(anchor, head) {\n this.anchor = anchor; this.head = head;\n};\n\nRange.prototype.from = function () { return minPos(this.anchor, this.head) };\nRange.prototype.to = function () { return maxPos(this.anchor, this.head) };\nRange.prototype.empty = function () { return this.head.line == this.anchor.line && this.head.ch == this.anchor.ch };\n\n// Take an unsorted, potentially overlapping set of ranges, and\n// build a selection out of it. \'Consumes\' ranges array (modifying\n// it).\nfunction normalizeSelection(ranges, primIndex) {\n var prim = ranges[primIndex];\n ranges.sort(function (a, b) { return cmp(a.from(), b.from()); });\n primIndex = indexOf(ranges, prim);\n for (var i = 1; i < ranges.length; i++) {\n var cur = ranges[i], prev = ranges[i - 1];\n if (cmp(prev.to(), cur.from()) >= 0) {\n var from = minPos(prev.from(), cur.from()), to = maxPos(prev.to(), cur.to());\n var inv = prev.empty() ? cur.from() == cur.head : prev.from() == prev.head;\n if (i <= primIndex) { --primIndex; }\n ranges.splice(--i, 2, new Range(inv ? to : from, inv ? from : to));\n }\n }\n return new Selection(ranges, primIndex)\n}\n\nfunction simpleSelection(anchor, head) {\n return new Selection([new Range(anchor, head || anchor)], 0)\n}\n\n// Compute the position of the end of a change (its \'to\' property\n// refers to the pre-change end).\nfunction changeEnd(change) {\n if (!change.text) { return change.to }\n return Pos(change.from.line + change.text.length - 1,\n lst(change.text).length + (change.text.length == 1 ? change.from.ch : 0))\n}\n\n// Adjust a position to refer to the post-change position of the\n// same text, or the end of the change if the change covers it.\nfunction adjustForChange(pos, change) {\n if (cmp(pos, change.from) < 0) { return pos }\n if (cmp(pos, change.to) <= 0) { return changeEnd(change) }\n\n var line = pos.line + change.text.length - (change.to.line - change.from.line) - 1, ch = pos.ch;\n if (pos.line == change.to.line) { ch += changeEnd(change).ch - change.to.ch; }\n return Pos(line, ch)\n}\n\nfunction computeSelAfterChange(doc, change) {\n var out = [];\n for (var i = 0; i < doc.sel.ranges.length; i++) {\n var range = doc.sel.ranges[i];\n out.push(new Range(adjustForChange(range.anchor, change),\n adjustForChange(range.head, change)));\n }\n return normalizeSelection(out, doc.sel.primIndex)\n}\n\nfunction offsetPos(pos, old, nw) {\n if (pos.line == old.line)\n { return Pos(nw.line, pos.ch - old.ch + nw.ch) }\n else\n { return Pos(nw.line + (pos.line - old.line), pos.ch) }\n}\n\n// Used by replaceSelections to allow moving the selection to the\n// start or around the replaced test. Hint may be "start" or "around".\nfunction computeReplacedSel(doc, changes, hint) {\n var out = [];\n var oldPrev = Pos(doc.first, 0), newPrev = oldPrev;\n for (var i = 0; i < changes.length; i++) {\n var change = changes[i];\n var from = offsetPos(change.from, oldPrev, newPrev);\n var to = offsetPos(changeEnd(change), oldPrev, newPrev);\n oldPrev = change.to;\n newPrev = to;\n if (hint == "around") {\n var range = doc.sel.ranges[i], inv = cmp(range.head, range.anchor) < 0;\n out[i] = new Range(inv ? to : from, inv ? from : to);\n } else {\n out[i] = new Range(from, from);\n }\n }\n return new Selection(out, doc.sel.primIndex)\n}\n\n// Used to get the editor into a consistent state again when options change.\n\nfunction loadMode(cm) {\n cm.doc.mode = getMode(cm.options, cm.doc.modeOption);\n resetModeState(cm);\n}\n\nfunction resetModeState(cm) {\n cm.doc.iter(function (line) {\n if (line.stateAfter) { line.stateAfter = null; }\n if (line.styles) { line.styles = null; }\n });\n cm.doc.modeFrontier = cm.doc.highlightFrontier = cm.doc.first;\n startWorker(cm, 100);\n cm.state.modeGen++;\n if (cm.curOp) { regChange(cm); }\n}\n\n// DOCUMENT DATA STRUCTURE\n\n// By default, updates that start and end at the beginning of a line\n// are treated specially, in order to make the association of line\n// widgets and marker elements with the text behave more intuitive.\nfunction isWholeLineUpdate(doc, change) {\n return change.from.ch == 0 && change.to.ch == 0 && lst(change.text) == "" &&\n (!doc.cm || doc.cm.options.wholeLineUpdateBefore)\n}\n\n// Perform a change on the document data structure.\nfunction updateDoc(doc, change, markedSpans, estimateHeight$$1) {\n function spansFor(n) {return markedSpans ? markedSpans[n] : null}\n function update(line, text, spans) {\n updateLine(line, text, spans, estimateHeight$$1);\n signalLater(line, "change", line, change);\n }\n function linesFor(start, end) {\n var result = [];\n for (var i = start; i < end; ++i)\n { result.push(new Line(text[i], spansFor(i), estimateHeight$$1)); }\n return result\n }\n\n var from = change.from, to = change.to, text = change.text;\n var firstLine = getLine(doc, from.line), lastLine = getLine(doc, to.line);\n var lastText = lst(text), lastSpans = spansFor(text.length - 1), nlines = to.line - from.line;\n\n // Adjust the line structure\n if (change.full) {\n doc.insert(0, linesFor(0, text.length));\n doc.remove(text.length, doc.size - text.length);\n } else if (isWholeLineUpdate(doc, change)) {\n // This is a whole-line replace. Treated specially to make\n // sure line objects move the way they are supposed to.\n var added = linesFor(0, text.length - 1);\n update(lastLine, lastLine.text, lastSpans);\n if (nlines) { doc.remove(from.line, nlines); }\n if (added.length) { doc.insert(from.line, added); }\n } else if (firstLine == lastLine) {\n if (text.length == 1) {\n update(firstLine, firstLine.text.slice(0, from.ch) + lastText + firstLine.text.slice(to.ch), lastSpans);\n } else {\n var added$1 = linesFor(1, text.length - 1);\n added$1.push(new Line(lastText + firstLine.text.slice(to.ch), lastSpans, estimateHeight$$1));\n update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0));\n doc.insert(from.line + 1, added$1);\n }\n } else if (text.length == 1) {\n update(firstLine, firstLine.text.slice(0, from.ch) + text[0] + lastLine.text.slice(to.ch), spansFor(0));\n doc.remove(from.line + 1, nlines);\n } else {\n update(firstLine, firstLine.text.slice(0, from.ch) + text[0], spansFor(0));\n update(lastLine, lastText + lastLine.text.slice(to.ch), lastSpans);\n var added$2 = linesFor(1, text.length - 1);\n if (nlines > 1) { doc.remove(from.line + 1, nlines - 1); }\n doc.insert(from.line + 1, added$2);\n }\n\n signalLater(doc, "change", doc, change);\n}\n\n// Call f for all linked documents.\nfunction linkedDocs(doc, f, sharedHistOnly) {\n function propagate(doc, skip, sharedHist) {\n if (doc.linked) { for (var i = 0; i < doc.linked.length; ++i) {\n var rel = doc.linked[i];\n if (rel.doc == skip) { continue }\n var shared = sharedHist && rel.sharedHist;\n if (sharedHistOnly && !shared) { continue }\n f(rel.doc, shared);\n propagate(rel.doc, doc, shared);\n } }\n }\n propagate(doc, null, true);\n}\n\n// Attach a document to an editor.\nfunction attachDoc(cm, doc) {\n if (doc.cm) { throw new Error("This document is already in use.") }\n cm.doc = doc;\n doc.cm = cm;\n estimateLineHeights(cm);\n loadMode(cm);\n setDirectionClass(cm);\n if (!cm.options.lineWrapping) { findMaxLine(cm); }\n cm.options.mode = doc.modeOption;\n regChange(cm);\n}\n\nfunction setDirectionClass(cm) {\n (cm.doc.direction == "rtl" ? addClass : rmClass)(cm.display.lineDiv, "CodeMirror-rtl");\n}\n\nfunction directionChanged(cm) {\n runInOp(cm, function () {\n setDirectionClass(cm);\n regChange(cm);\n });\n}\n\nfunction History(startGen) {\n // Arrays of change events and selections. Doing something adds an\n // event to done and clears undo. Undoing moves events from done\n // to undone, redoing moves them in the other direction.\n this.done = []; this.undone = [];\n this.undoDepth = Infinity;\n // Used to track when changes can be merged into a single undo\n // event\n this.lastModTime = this.lastSelTime = 0;\n this.lastOp = this.lastSelOp = null;\n this.lastOrigin = this.lastSelOrigin = null;\n // Used by the isClean() method\n this.generation = this.maxGeneration = startGen || 1;\n}\n\n// Create a history change event from an updateDoc-style change\n// object.\nfunction historyChangeFromChange(doc, change) {\n var histChange = {from: copyPos(change.from), to: changeEnd(change), text: getBetween(doc, change.from, change.to)};\n attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1);\n linkedDocs(doc, function (doc) { return attachLocalSpans(doc, histChange, change.from.line, change.to.line + 1); }, true);\n return histChange\n}\n\n// Pop all selection events off the end of a history array. Stop at\n// a change event.\nfunction clearSelectionEvents(array) {\n while (array.length) {\n var last = lst(array);\n if (last.ranges) { array.pop(); }\n else { break }\n }\n}\n\n// Find the top change event in the history. Pop off selection\n// events that are in the way.\nfunction lastChangeEvent(hist, force) {\n if (force) {\n clearSelectionEvents(hist.done);\n return lst(hist.done)\n } else if (hist.done.length && !lst(hist.done).ranges) {\n return lst(hist.done)\n } else if (hist.done.length > 1 && !hist.done[hist.done.length - 2].ranges) {\n hist.done.pop();\n return lst(hist.done)\n }\n}\n\n// Register a change in the history. Merges changes that are within\n// a single operation, or are close together with an origin that\n// allows merging (starting with "+") into a single event.\nfunction addChangeToHistory(doc, change, selAfter, opId) {\n var hist = doc.history;\n hist.undone.length = 0;\n var time = +new Date, cur;\n var last;\n\n if ((hist.lastOp == opId ||\n hist.lastOrigin == change.origin && change.origin &&\n ((change.origin.charAt(0) == "+" && doc.cm && hist.lastModTime > time - doc.cm.options.historyEventDelay) ||\n change.origin.charAt(0) == "*")) &&\n (cur = lastChangeEvent(hist, hist.lastOp == opId))) {\n // Merge this change into the last event\n last = lst(cur.changes);\n if (cmp(change.from, change.to) == 0 && cmp(change.from, last.to) == 0) {\n // Optimized case for simple insertion -- don\'t want to add\n // new changesets for every character typed\n last.to = changeEnd(change);\n } else {\n // Add new sub-event\n cur.changes.push(historyChangeFromChange(doc, change));\n }\n } else {\n // Can not be merged, start a new event.\n var before = lst(hist.done);\n if (!before || !before.ranges)\n { pushSelectionToHistory(doc.sel, hist.done); }\n cur = {changes: [historyChangeFromChange(doc, change)],\n generation: hist.generation};\n hist.done.push(cur);\n while (hist.done.length > hist.undoDepth) {\n hist.done.shift();\n if (!hist.done[0].ranges) { hist.done.shift(); }\n }\n }\n hist.done.push(selAfter);\n hist.generation = ++hist.maxGeneration;\n hist.lastModTime = hist.lastSelTime = time;\n hist.lastOp = hist.lastSelOp = opId;\n hist.lastOrigin = hist.lastSelOrigin = change.origin;\n\n if (!last) { signal(doc, "historyAdded"); }\n}\n\nfunction selectionEventCanBeMerged(doc, origin, prev, sel) {\n var ch = origin.charAt(0);\n return ch == "*" ||\n ch == "+" &&\n prev.ranges.length == sel.ranges.length &&\n prev.somethingSelected() == sel.somethingSelected() &&\n new Date - doc.history.lastSelTime <= (doc.cm ? doc.cm.options.historyEventDelay : 500)\n}\n\n// Called whenever the selection changes, sets the new selection as\n// the pending selection in the history, and pushes the old pending\n// selection into the \'done\' array when it was significantly\n// different (in number of selected ranges, emptiness, or time).\nfunction addSelectionToHistory(doc, sel, opId, options) {\n var hist = doc.history, origin = options && options.origin;\n\n // A new event is started when the previous origin does not match\n // the current, or the origins don\'t allow matching. Origins\n // starting with * are always merged, those starting with + are\n // merged when similar and close together in time.\n if (opId == hist.lastSelOp ||\n (origin && hist.lastSelOrigin == origin &&\n (hist.lastModTime == hist.lastSelTime && hist.lastOrigin == origin ||\n selectionEventCanBeMerged(doc, origin, lst(hist.done), sel))))\n { hist.done[hist.done.length - 1] = sel; }\n else\n { pushSelectionToHistory(sel, hist.done); }\n\n hist.lastSelTime = +new Date;\n hist.lastSelOrigin = origin;\n hist.lastSelOp = opId;\n if (options && options.clearRedo !== false)\n { clearSelectionEvents(hist.undone); }\n}\n\nfunction pushSelectionToHistory(sel, dest) {\n var top = lst(dest);\n if (!(top && top.ranges && top.equals(sel)))\n { dest.push(sel); }\n}\n\n// Used to store marked span information in the history.\nfunction attachLocalSpans(doc, change, from, to) {\n var existing = change["spans_" + doc.id], n = 0;\n doc.iter(Math.max(doc.first, from), Math.min(doc.first + doc.size, to), function (line) {\n if (line.markedSpans)\n { (existing || (existing = change["spans_" + doc.id] = {}))[n] = line.markedSpans; }\n ++n;\n });\n}\n\n// When un/re-doing restores text containing marked spans, those\n// that have been explicitly cleared should not be restored.\nfunction removeClearedSpans(spans) {\n if (!spans) { return null }\n var out;\n for (var i = 0; i < spans.length; ++i) {\n if (spans[i].marker.explicitlyCleared) { if (!out) { out = spans.slice(0, i); } }\n else if (out) { out.push(spans[i]); }\n }\n return !out ? spans : out.length ? out : null\n}\n\n// Retrieve and filter the old marked spans stored in a change event.\nfunction getOldSpans(doc, change) {\n var found = change["spans_" + doc.id];\n if (!found) { return null }\n var nw = [];\n for (var i = 0; i < change.text.length; ++i)\n { nw.push(removeClearedSpans(found[i])); }\n return nw\n}\n\n// Used for un/re-doing changes from the history. Combines the\n// result of computing the existing spans with the set of spans that\n// existed in the history (so that deleting around a span and then\n// undoing brings back the span).\nfunction mergeOldSpans(doc, change) {\n var old = getOldSpans(doc, change);\n var stretched = stretchSpansOverChange(doc, change);\n if (!old) { return stretched }\n if (!stretched) { return old }\n\n for (var i = 0; i < old.length; ++i) {\n var oldCur = old[i], stretchCur = stretched[i];\n if (oldCur && stretchCur) {\n spans: for (var j = 0; j < stretchCur.length; ++j) {\n var span = stretchCur[j];\n for (var k = 0; k < oldCur.length; ++k)\n { if (oldCur[k].marker == span.marker) { continue spans } }\n oldCur.push(span);\n }\n } else if (stretchCur) {\n old[i] = stretchCur;\n }\n }\n return old\n}\n\n// Used both to provide a JSON-safe object in .getHistory, and, when\n// detaching a document, to split the history in two\nfunction copyHistoryArray(events, newGroup, instantiateSel) {\n var copy = [];\n for (var i = 0; i < events.length; ++i) {\n var event = events[i];\n if (event.ranges) {\n copy.push(instantiateSel ? Selection.prototype.deepCopy.call(event) : event);\n continue\n }\n var changes = event.changes, newChanges = [];\n copy.push({changes: newChanges});\n for (var j = 0; j < changes.length; ++j) {\n var change = changes[j], m = (void 0);\n newChanges.push({from: change.from, to: change.to, text: change.text});\n if (newGroup) { for (var prop in change) { if (m = prop.match(/^spans_(\\d+)$/)) {\n if (indexOf(newGroup, Number(m[1])) > -1) {\n lst(newChanges)[prop] = change[prop];\n delete change[prop];\n }\n } } }\n }\n }\n return copy\n}\n\n// The \'scroll\' parameter given to many of these indicated whether\n// the new cursor position should be scrolled into view after\n// modifying the selection.\n\n// If shift is held or the extend flag is set, extends a range to\n// include a given position (and optionally a second position).\n// Otherwise, simply returns the range between the given positions.\n// Used for cursor motion and such.\nfunction extendRange(range, head, other, extend) {\n if (extend) {\n var anchor = range.anchor;\n if (other) {\n var posBefore = cmp(head, anchor) < 0;\n if (posBefore != (cmp(other, anchor) < 0)) {\n anchor = head;\n head = other;\n } else if (posBefore != (cmp(head, other) < 0)) {\n head = other;\n }\n }\n return new Range(anchor, head)\n } else {\n return new Range(other || head, head)\n }\n}\n\n// Extend the primary selection range, discard the rest.\nfunction extendSelection(doc, head, other, options, extend) {\n if (extend == null) { extend = doc.cm && (doc.cm.display.shift || doc.extend); }\n setSelection(doc, new Selection([extendRange(doc.sel.primary(), head, other, extend)], 0), options);\n}\n\n// Extend all selections (pos is an array of selections with length\n// equal the number of selections)\nfunction extendSelections(doc, heads, options) {\n var out = [];\n var extend = doc.cm && (doc.cm.display.shift || doc.extend);\n for (var i = 0; i < doc.sel.ranges.length; i++)\n { out[i] = extendRange(doc.sel.ranges[i], heads[i], null, extend); }\n var newSel = normalizeSelection(out, doc.sel.primIndex);\n setSelection(doc, newSel, options);\n}\n\n// Updates a single range in the selection.\nfunction replaceOneSelection(doc, i, range, options) {\n var ranges = doc.sel.ranges.slice(0);\n ranges[i] = range;\n setSelection(doc, normalizeSelection(ranges, doc.sel.primIndex), options);\n}\n\n// Reset the selection to a single range.\nfunction setSimpleSelection(doc, anchor, head, options) {\n setSelection(doc, simpleSelection(anchor, head), options);\n}\n\n// Give beforeSelectionChange handlers a change to influence a\n// selection update.\nfunction filterSelectionChange(doc, sel, options) {\n var obj = {\n ranges: sel.ranges,\n update: function(ranges) {\n var this$1 = this;\n\n this.ranges = [];\n for (var i = 0; i < ranges.length; i++)\n { this$1.ranges[i] = new Range(clipPos(doc, ranges[i].anchor),\n clipPos(doc, ranges[i].head)); }\n },\n origin: options && options.origin\n };\n signal(doc, "beforeSelectionChange", doc, obj);\n if (doc.cm) { signal(doc.cm, "beforeSelectionChange", doc.cm, obj); }\n if (obj.ranges != sel.ranges) { return normalizeSelection(obj.ranges, obj.ranges.length - 1) }\n else { return sel }\n}\n\nfunction setSelectionReplaceHistory(doc, sel, options) {\n var done = doc.history.done, last = lst(done);\n if (last && last.ranges) {\n done[done.length - 1] = sel;\n setSelectionNoUndo(doc, sel, options);\n } else {\n setSelection(doc, sel, options);\n }\n}\n\n// Set a new selection.\nfunction setSelection(doc, sel, options) {\n setSelectionNoUndo(doc, sel, options);\n addSelectionToHistory(doc, doc.sel, doc.cm ? doc.cm.curOp.id : NaN, options);\n}\n\nfunction setSelectionNoUndo(doc, sel, options) {\n if (hasHandler(doc, "beforeSelectionChange") || doc.cm && hasHandler(doc.cm, "beforeSelectionChange"))\n { sel = filterSelectionChange(doc, sel, options); }\n\n var bias = options && options.bias ||\n (cmp(sel.primary().head, doc.sel.primary().head) < 0 ? -1 : 1);\n setSelectionInner(doc, skipAtomicInSelection(doc, sel, bias, true));\n\n if (!(options && options.scroll === false) && doc.cm)\n { ensureCursorVisible(doc.cm); }\n}\n\nfunction setSelectionInner(doc, sel) {\n if (sel.equals(doc.sel)) { return }\n\n doc.sel = sel;\n\n if (doc.cm) {\n doc.cm.curOp.updateInput = doc.cm.curOp.selectionChanged = true;\n signalCursorActivity(doc.cm);\n }\n signalLater(doc, "cursorActivity", doc);\n}\n\n// Verify that the selection does not partially select any atomic\n// marked ranges.\nfunction reCheckSelection(doc) {\n setSelectionInner(doc, skipAtomicInSelection(doc, doc.sel, null, false));\n}\n\n// Return a selection that does not partially select any atomic\n// ranges.\nfunction skipAtomicInSelection(doc, sel, bias, mayClear) {\n var out;\n for (var i = 0; i < sel.ranges.length; i++) {\n var range = sel.ranges[i];\n var old = sel.ranges.length == doc.sel.ranges.length && doc.sel.ranges[i];\n var newAnchor = skipAtomic(doc, range.anchor, old && old.anchor, bias, mayClear);\n var newHead = skipAtomic(doc, range.head, old && old.head, bias, mayClear);\n if (out || newAnchor != range.anchor || newHead != range.head) {\n if (!out) { out = sel.ranges.slice(0, i); }\n out[i] = new Range(newAnchor, newHead);\n }\n }\n return out ? normalizeSelection(out, sel.primIndex) : sel\n}\n\nfunction skipAtomicInner(doc, pos, oldPos, dir, mayClear) {\n var line = getLine(doc, pos.line);\n if (line.markedSpans) { for (var i = 0; i < line.markedSpans.length; ++i) {\n var sp = line.markedSpans[i], m = sp.marker;\n if ((sp.from == null || (m.inclusiveLeft ? sp.from <= pos.ch : sp.from < pos.ch)) &&\n (sp.to == null || (m.inclusiveRight ? sp.to >= pos.ch : sp.to > pos.ch))) {\n if (mayClear) {\n signal(m, "beforeCursorEnter");\n if (m.explicitlyCleared) {\n if (!line.markedSpans) { break }\n else {--i; continue}\n }\n }\n if (!m.atomic) { continue }\n\n if (oldPos) {\n var near = m.find(dir < 0 ? 1 : -1), diff = (void 0);\n if (dir < 0 ? m.inclusiveRight : m.inclusiveLeft)\n { near = movePos(doc, near, -dir, near && near.line == pos.line ? line : null); }\n if (near && near.line == pos.line && (diff = cmp(near, oldPos)) && (dir < 0 ? diff < 0 : diff > 0))\n { return skipAtomicInner(doc, near, pos, dir, mayClear) }\n }\n\n var far = m.find(dir < 0 ? -1 : 1);\n if (dir < 0 ? m.inclusiveLeft : m.inclusiveRight)\n { far = movePos(doc, far, dir, far.line == pos.line ? line : null); }\n return far ? skipAtomicInner(doc, far, pos, dir, mayClear) : null\n }\n } }\n return pos\n}\n\n// Ensure a given position is not inside an atomic range.\nfunction skipAtomic(doc, pos, oldPos, bias, mayClear) {\n var dir = bias || 1;\n var found = skipAtomicInner(doc, pos, oldPos, dir, mayClear) ||\n (!mayClear && skipAtomicInner(doc, pos, oldPos, dir, true)) ||\n skipAtomicInner(doc, pos, oldPos, -dir, mayClear) ||\n (!mayClear && skipAtomicInner(doc, pos, oldPos, -dir, true));\n if (!found) {\n doc.cantEdit = true;\n return Pos(doc.first, 0)\n }\n return found\n}\n\nfunction movePos(doc, pos, dir, line) {\n if (dir < 0 && pos.ch == 0) {\n if (pos.line > doc.first) { return clipPos(doc, Pos(pos.line - 1)) }\n else { return null }\n } else if (dir > 0 && pos.ch == (line || getLine(doc, pos.line)).text.length) {\n if (pos.line < doc.first + doc.size - 1) { return Pos(pos.line + 1, 0) }\n else { return null }\n } else {\n return new Pos(pos.line, pos.ch + dir)\n }\n}\n\nfunction selectAll(cm) {\n cm.setSelection(Pos(cm.firstLine(), 0), Pos(cm.lastLine()), sel_dontScroll);\n}\n\n// UPDATING\n\n// Allow "beforeChange" event handlers to influence a change\nfunction filterChange(doc, change, update) {\n var obj = {\n canceled: false,\n from: change.from,\n to: change.to,\n text: change.text,\n origin: change.origin,\n cancel: function () { return obj.canceled = true; }\n };\n if (update) { obj.update = function (from, to, text, origin) {\n if (from) { obj.from = clipPos(doc, from); }\n if (to) { obj.to = clipPos(doc, to); }\n if (text) { obj.text = text; }\n if (origin !== undefined) { obj.origin = origin; }\n }; }\n signal(doc, "beforeChange", doc, obj);\n if (doc.cm) { signal(doc.cm, "beforeChange", doc.cm, obj); }\n\n if (obj.canceled) { return null }\n return {from: obj.from, to: obj.to, text: obj.text, origin: obj.origin}\n}\n\n// Apply a change to a document, and add it to the document\'s\n// history, and propagating it to all linked documents.\nfunction makeChange(doc, change, ignoreReadOnly) {\n if (doc.cm) {\n if (!doc.cm.curOp) { return operation(doc.cm, makeChange)(doc, change, ignoreReadOnly) }\n if (doc.cm.state.suppressEdits) { return }\n }\n\n if (hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange")) {\n change = filterChange(doc, change, true);\n if (!change) { return }\n }\n\n // Possibly split or suppress the update based on the presence\n // of read-only spans in its range.\n var split = sawReadOnlySpans && !ignoreReadOnly && removeReadOnlyRanges(doc, change.from, change.to);\n if (split) {\n for (var i = split.length - 1; i >= 0; --i)\n { makeChangeInner(doc, {from: split[i].from, to: split[i].to, text: i ? [""] : change.text, origin: change.origin}); }\n } else {\n makeChangeInner(doc, change);\n }\n}\n\nfunction makeChangeInner(doc, change) {\n if (change.text.length == 1 && change.text[0] == "" && cmp(change.from, change.to) == 0) { return }\n var selAfter = computeSelAfterChange(doc, change);\n addChangeToHistory(doc, change, selAfter, doc.cm ? doc.cm.curOp.id : NaN);\n\n makeChangeSingleDoc(doc, change, selAfter, stretchSpansOverChange(doc, change));\n var rebased = [];\n\n linkedDocs(doc, function (doc, sharedHist) {\n if (!sharedHist && indexOf(rebased, doc.history) == -1) {\n rebaseHist(doc.history, change);\n rebased.push(doc.history);\n }\n makeChangeSingleDoc(doc, change, null, stretchSpansOverChange(doc, change));\n });\n}\n\n// Revert a change stored in a document\'s history.\nfunction makeChangeFromHistory(doc, type, allowSelectionOnly) {\n if (doc.cm && doc.cm.state.suppressEdits && !allowSelectionOnly) { return }\n\n var hist = doc.history, event, selAfter = doc.sel;\n var source = type == "undo" ? hist.done : hist.undone, dest = type == "undo" ? hist.undone : hist.done;\n\n // Verify that there is a useable event (so that ctrl-z won\'t\n // needlessly clear selection events)\n var i = 0;\n for (; i < source.length; i++) {\n event = source[i];\n if (allowSelectionOnly ? event.ranges && !event.equals(doc.sel) : !event.ranges)\n { break }\n }\n if (i == source.length) { return }\n hist.lastOrigin = hist.lastSelOrigin = null;\n\n for (;;) {\n event = source.pop();\n if (event.ranges) {\n pushSelectionToHistory(event, dest);\n if (allowSelectionOnly && !event.equals(doc.sel)) {\n setSelection(doc, event, {clearRedo: false});\n return\n }\n selAfter = event;\n }\n else { break }\n }\n\n // Build up a reverse change object to add to the opposite history\n // stack (redo when undoing, and vice versa).\n var antiChanges = [];\n pushSelectionToHistory(selAfter, dest);\n dest.push({changes: antiChanges, generation: hist.generation});\n hist.generation = event.generation || ++hist.maxGeneration;\n\n var filter = hasHandler(doc, "beforeChange") || doc.cm && hasHandler(doc.cm, "beforeChange");\n\n var loop = function ( i ) {\n var change = event.changes[i];\n change.origin = type;\n if (filter && !filterChange(doc, change, false)) {\n source.length = 0;\n return {}\n }\n\n antiChanges.push(historyChangeFromChange(doc, change));\n\n var after = i ? computeSelAfterChange(doc, change) : lst(source);\n makeChangeSingleDoc(doc, change, after, mergeOldSpans(doc, change));\n if (!i && doc.cm) { doc.cm.scrollIntoView({from: change.from, to: changeEnd(change)}); }\n var rebased = [];\n\n // Propagate to the linked documents\n linkedDocs(doc, function (doc, sharedHist) {\n if (!sharedHist && indexOf(rebased, doc.history) == -1) {\n rebaseHist(doc.history, change);\n rebased.push(doc.history);\n }\n makeChangeSingleDoc(doc, change, null, mergeOldSpans(doc, change));\n });\n };\n\n for (var i$1 = event.changes.length - 1; i$1 >= 0; --i$1) {\n var returned = loop( i$1 );\n\n if ( returned ) return returned.v;\n }\n}\n\n// Sub-views need their line numbers shifted when text is added\n// above or below them in the parent document.\nfunction shiftDoc(doc, distance) {\n if (distance == 0) { return }\n doc.first += distance;\n doc.sel = new Selection(map(doc.sel.ranges, function (range) { return new Range(\n Pos(range.anchor.line + distance, range.anchor.ch),\n Pos(range.head.line + distance, range.head.ch)\n ); }), doc.sel.primIndex);\n if (doc.cm) {\n regChange(doc.cm, doc.first, doc.first - distance, distance);\n for (var d = doc.cm.display, l = d.viewFrom; l < d.viewTo; l++)\n { regLineChange(doc.cm, l, "gutter"); }\n }\n}\n\n// More lower-level change function, handling only a single document\n// (not linked ones).\nfunction makeChangeSingleDoc(doc, change, selAfter, spans) {\n if (doc.cm && !doc.cm.curOp)\n { return operation(doc.cm, makeChangeSingleDoc)(doc, change, selAfter, spans) }\n\n if (change.to.line < doc.first) {\n shiftDoc(doc, change.text.length - 1 - (change.to.line - change.from.line));\n return\n }\n if (change.from.line > doc.lastLine()) { return }\n\n // Clip the change to the size of this doc\n if (change.from.line < doc.first) {\n var shift = change.text.length - 1 - (doc.first - change.from.line);\n shiftDoc(doc, shift);\n change = {from: Pos(doc.first, 0), to: Pos(change.to.line + shift, change.to.ch),\n text: [lst(change.text)], origin: change.origin};\n }\n var last = doc.lastLine();\n if (change.to.line > last) {\n change = {from: change.from, to: Pos(last, getLine(doc, last).text.length),\n text: [change.text[0]], origin: change.origin};\n }\n\n change.removed = getBetween(doc, change.from, change.to);\n\n if (!selAfter) { selAfter = computeSelAfterChange(doc, change); }\n if (doc.cm) { makeChangeSingleDocInEditor(doc.cm, change, spans); }\n else { updateDoc(doc, change, spans); }\n setSelectionNoUndo(doc, selAfter, sel_dontScroll);\n}\n\n// Handle the interaction of a change to a document with the editor\n// that this document is part of.\nfunction makeChangeSingleDocInEditor(cm, change, spans) {\n var doc = cm.doc, display = cm.display, from = change.from, to = change.to;\n\n var recomputeMaxLength = false, checkWidthStart = from.line;\n if (!cm.options.lineWrapping) {\n checkWidthStart = lineNo(visualLine(getLine(doc, from.line)));\n doc.iter(checkWidthStart, to.line + 1, function (line) {\n if (line == display.maxLine) {\n recomputeMaxLength = true;\n return true\n }\n });\n }\n\n if (doc.sel.contains(change.from, change.to) > -1)\n { signalCursorActivity(cm); }\n\n updateDoc(doc, change, spans, estimateHeight(cm));\n\n if (!cm.options.lineWrapping) {\n doc.iter(checkWidthStart, from.line + change.text.length, function (line) {\n var len = lineLength(line);\n if (len > display.maxLineLength) {\n display.maxLine = line;\n display.maxLineLength = len;\n display.maxLineChanged = true;\n recomputeMaxLength = false;\n }\n });\n if (recomputeMaxLength) { cm.curOp.updateMaxLine = true; }\n }\n\n retreatFrontier(doc, from.line);\n startWorker(cm, 400);\n\n var lendiff = change.text.length - (to.line - from.line) - 1;\n // Remember that these lines changed, for updating the display\n if (change.full)\n { regChange(cm); }\n else if (from.line == to.line && change.text.length == 1 && !isWholeLineUpdate(cm.doc, change))\n { regLineChange(cm, from.line, "text"); }\n else\n { regChange(cm, from.line, to.line + 1, lendiff); }\n\n var changesHandler = hasHandler(cm, "changes"), changeHandler = hasHandler(cm, "change");\n if (changeHandler || changesHandler) {\n var obj = {\n from: from, to: to,\n text: change.text,\n removed: change.removed,\n origin: change.origin\n };\n if (changeHandler) { signalLater(cm, "change", cm, obj); }\n if (changesHandler) { (cm.curOp.changeObjs || (cm.curOp.changeObjs = [])).push(obj); }\n }\n cm.display.selForContextMenu = null;\n}\n\nfunction replaceRange(doc, code, from, to, origin) {\n if (!to) { to = from; }\n if (cmp(to, from) < 0) { var assign;\n (assign = [to, from], from = assign[0], to = assign[1], assign); }\n if (typeof code == "string") { code = doc.splitLines(code); }\n makeChange(doc, {from: from, to: to, text: code, origin: origin});\n}\n\n// Rebasing/resetting history to deal with externally-sourced changes\n\nfunction rebaseHistSelSingle(pos, from, to, diff) {\n if (to < pos.line) {\n pos.line += diff;\n } else if (from < pos.line) {\n pos.line = from;\n pos.ch = 0;\n }\n}\n\n// Tries to rebase an array of history events given a change in the\n// document. If the change touches the same lines as the event, the\n// event, and everything \'behind\' it, is discarded. If the change is\n// before the event, the event\'s positions are updated. Uses a\n// copy-on-write scheme for the positions, to avoid having to\n// reallocate them all on every rebase, but also avoid problems with\n// shared position objects being unsafely updated.\nfunction rebaseHistArray(array, from, to, diff) {\n for (var i = 0; i < array.length; ++i) {\n var sub = array[i], ok = true;\n if (sub.ranges) {\n if (!sub.copied) { sub = array[i] = sub.deepCopy(); sub.copied = true; }\n for (var j = 0; j < sub.ranges.length; j++) {\n rebaseHistSelSingle(sub.ranges[j].anchor, from, to, diff);\n rebaseHistSelSingle(sub.ranges[j].head, from, to, diff);\n }\n continue\n }\n for (var j$1 = 0; j$1 < sub.changes.length; ++j$1) {\n var cur = sub.changes[j$1];\n if (to < cur.from.line) {\n cur.from = Pos(cur.from.line + diff, cur.from.ch);\n cur.to = Pos(cur.to.line + diff, cur.to.ch);\n } else if (from <= cur.to.line) {\n ok = false;\n break\n }\n }\n if (!ok) {\n array.splice(0, i + 1);\n i = 0;\n }\n }\n}\n\nfunction rebaseHist(hist, change) {\n var from = change.from.line, to = change.to.line, diff = change.text.length - (to - from) - 1;\n rebaseHistArray(hist.done, from, to, diff);\n rebaseHistArray(hist.undone, from, to, diff);\n}\n\n// Utility for applying a change to a line by handle or number,\n// returning the number and optionally registering the line as\n// changed.\nfunction changeLine(doc, handle, changeType, op) {\n var no = handle, line = handle;\n if (typeof handle == "number") { line = getLine(doc, clipLine(doc, handle)); }\n else { no = lineNo(handle); }\n if (no == null) { return null }\n if (op(line, no) && doc.cm) { regLineChange(doc.cm, no, changeType); }\n return line\n}\n\n// The document is represented as a BTree consisting of leaves, with\n// chunk of lines in them, and branches, with up to ten leaves or\n// other branch nodes below them. The top node is always a branch\n// node, and is the document object itself (meaning it has\n// additional methods and properties).\n//\n// All nodes have parent links. The tree is used both to go from\n// line numbers to line objects, and to go from objects to numbers.\n// It also indexes by height, and is used to convert between height\n// and line object, and to find the total height of the document.\n//\n// See also http://marijnhaverbeke.nl/blog/codemirror-line-tree.html\n\nfunction LeafChunk(lines) {\n var this$1 = this;\n\n this.lines = lines;\n this.parent = null;\n var height = 0;\n for (var i = 0; i < lines.length; ++i) {\n lines[i].parent = this$1;\n height += lines[i].height;\n }\n this.height = height;\n}\n\nLeafChunk.prototype = {\n chunkSize: function chunkSize() { return this.lines.length },\n\n // Remove the n lines at offset \'at\'.\n removeInner: function removeInner(at, n) {\n var this$1 = this;\n\n for (var i = at, e = at + n; i < e; ++i) {\n var line = this$1.lines[i];\n this$1.height -= line.height;\n cleanUpLine(line);\n signalLater(line, "delete");\n }\n this.lines.splice(at, n);\n },\n\n // Helper used to collapse a small branch into a single leaf.\n collapse: function collapse(lines) {\n lines.push.apply(lines, this.lines);\n },\n\n // Insert the given array of lines at offset \'at\', count them as\n // having the given height.\n insertInner: function insertInner(at, lines, height) {\n var this$1 = this;\n\n this.height += height;\n this.lines = this.lines.slice(0, at).concat(lines).concat(this.lines.slice(at));\n for (var i = 0; i < lines.length; ++i) { lines[i].parent = this$1; }\n },\n\n // Used to iterate over a part of the tree.\n iterN: function iterN(at, n, op) {\n var this$1 = this;\n\n for (var e = at + n; at < e; ++at)\n { if (op(this$1.lines[at])) { return true } }\n }\n};\n\nfunction BranchChunk(children) {\n var this$1 = this;\n\n this.children = children;\n var size = 0, height = 0;\n for (var i = 0; i < children.length; ++i) {\n var ch = children[i];\n size += ch.chunkSize(); height += ch.height;\n ch.parent = this$1;\n }\n this.size = size;\n this.height = height;\n this.parent = null;\n}\n\nBranchChunk.prototype = {\n chunkSize: function chunkSize() { return this.size },\n\n removeInner: function removeInner(at, n) {\n var this$1 = this;\n\n this.size -= n;\n for (var i = 0; i < this.children.length; ++i) {\n var child = this$1.children[i], sz = child.chunkSize();\n if (at < sz) {\n var rm = Math.min(n, sz - at), oldHeight = child.height;\n child.removeInner(at, rm);\n this$1.height -= oldHeight - child.height;\n if (sz == rm) { this$1.children.splice(i--, 1); child.parent = null; }\n if ((n -= rm) == 0) { break }\n at = 0;\n } else { at -= sz; }\n }\n // If the result is smaller than 25 lines, ensure that it is a\n // single leaf node.\n if (this.size - n < 25 &&\n (this.children.length > 1 || !(this.children[0] instanceof LeafChunk))) {\n var lines = [];\n this.collapse(lines);\n this.children = [new LeafChunk(lines)];\n this.children[0].parent = this;\n }\n },\n\n collapse: function collapse(lines) {\n var this$1 = this;\n\n for (var i = 0; i < this.children.length; ++i) { this$1.children[i].collapse(lines); }\n },\n\n insertInner: function insertInner(at, lines, height) {\n var this$1 = this;\n\n this.size += lines.length;\n this.height += height;\n for (var i = 0; i < this.children.length; ++i) {\n var child = this$1.children[i], sz = child.chunkSize();\n if (at <= sz) {\n child.insertInner(at, lines, height);\n if (child.lines && child.lines.length > 50) {\n // To avoid memory thrashing when child.lines is huge (e.g. first view of a large file), it\'s never spliced.\n // Instead, small slices are taken. They\'re taken in order because sequential memory accesses are fastest.\n var remaining = child.lines.length % 25 + 25;\n for (var pos = remaining; pos < child.lines.length;) {\n var leaf = new LeafChunk(child.lines.slice(pos, pos += 25));\n child.height -= leaf.height;\n this$1.children.splice(++i, 0, leaf);\n leaf.parent = this$1;\n }\n child.lines = child.lines.slice(0, remaining);\n this$1.maybeSpill();\n }\n break\n }\n at -= sz;\n }\n },\n\n // When a node has grown, check whether it should be split.\n maybeSpill: function maybeSpill() {\n if (this.children.length <= 10) { return }\n var me = this;\n do {\n var spilled = me.children.splice(me.children.length - 5, 5);\n var sibling = new BranchChunk(spilled);\n if (!me.parent) { // Become the parent node\n var copy = new BranchChunk(me.children);\n copy.parent = me;\n me.children = [copy, sibling];\n me = copy;\n } else {\n me.size -= sibling.size;\n me.height -= sibling.height;\n var myIndex = indexOf(me.parent.children, me);\n me.parent.children.splice(myIndex + 1, 0, sibling);\n }\n sibling.parent = me.parent;\n } while (me.children.length > 10)\n me.parent.maybeSpill();\n },\n\n iterN: function iterN(at, n, op) {\n var this$1 = this;\n\n for (var i = 0; i < this.children.length; ++i) {\n var child = this$1.children[i], sz = child.chunkSize();\n if (at < sz) {\n var used = Math.min(n, sz - at);\n if (child.iterN(at, used, op)) { return true }\n if ((n -= used) == 0) { break }\n at = 0;\n } else { at -= sz; }\n }\n }\n};\n\n// Line widgets are block elements displayed above or below a line.\n\nvar LineWidget = function(doc, node, options) {\n var this$1 = this;\n\n if (options) { for (var opt in options) { if (options.hasOwnProperty(opt))\n { this$1[opt] = options[opt]; } } }\n this.doc = doc;\n this.node = node;\n};\n\nLineWidget.prototype.clear = function () {\n var this$1 = this;\n\n var cm = this.doc.cm, ws = this.line.widgets, line = this.line, no = lineNo(line);\n if (no == null || !ws) { return }\n for (var i = 0; i < ws.length; ++i) { if (ws[i] == this$1) { ws.splice(i--, 1); } }\n if (!ws.length) { line.widgets = null; }\n var height = widgetHeight(this);\n updateLineHeight(line, Math.max(0, line.height - height));\n if (cm) {\n runInOp(cm, function () {\n adjustScrollWhenAboveVisible(cm, line, -height);\n regLineChange(cm, no, "widget");\n });\n signalLater(cm, "lineWidgetCleared", cm, this, no);\n }\n};\n\nLineWidget.prototype.changed = function () {\n var this$1 = this;\n\n var oldH = this.height, cm = this.doc.cm, line = this.line;\n this.height = null;\n var diff = widgetHeight(this) - oldH;\n if (!diff) { return }\n updateLineHeight(line, line.height + diff);\n if (cm) {\n runInOp(cm, function () {\n cm.curOp.forceUpdate = true;\n adjustScrollWhenAboveVisible(cm, line, diff);\n signalLater(cm, "lineWidgetChanged", cm, this$1, lineNo(line));\n });\n }\n};\neventMixin(LineWidget);\n\nfunction adjustScrollWhenAboveVisible(cm, line, diff) {\n if (heightAtLine(line) < ((cm.curOp && cm.curOp.scrollTop) || cm.doc.scrollTop))\n { addToScrollTop(cm, diff); }\n}\n\nfunction addLineWidget(doc, handle, node, options) {\n var widget = new LineWidget(doc, node, options);\n var cm = doc.cm;\n if (cm && widget.noHScroll) { cm.display.alignWidgets = true; }\n changeLine(doc, handle, "widget", function (line) {\n var widgets = line.widgets || (line.widgets = []);\n if (widget.insertAt == null) { widgets.push(widget); }\n else { widgets.splice(Math.min(widgets.length - 1, Math.max(0, widget.insertAt)), 0, widget); }\n widget.line = line;\n if (cm && !lineIsHidden(doc, line)) {\n var aboveVisible = heightAtLine(line) < doc.scrollTop;\n updateLineHeight(line, line.height + widgetHeight(widget));\n if (aboveVisible) { addToScrollTop(cm, widget.height); }\n cm.curOp.forceUpdate = true;\n }\n return true\n });\n signalLater(cm, "lineWidgetAdded", cm, widget, typeof handle == "number" ? handle : lineNo(handle));\n return widget\n}\n\n// TEXTMARKERS\n\n// Created with markText and setBookmark methods. A TextMarker is a\n// handle that can be used to clear or find a marked position in the\n// document. Line objects hold arrays (markedSpans) containing\n// {from, to, marker} object pointing to such marker objects, and\n// indicating that such a marker is present on that line. Multiple\n// lines may point to the same marker when it spans across lines.\n// The spans will have null for their from/to properties when the\n// marker continues beyond the start/end of the line. Markers have\n// links back to the lines they currently touch.\n\n// Collapsed markers have unique ids, in order to be able to order\n// them, which is needed for uniquely determining an outer marker\n// when they overlap (they may nest, but not partially overlap).\nvar nextMarkerId = 0;\n\nvar TextMarker = function(doc, type) {\n this.lines = [];\n this.type = type;\n this.doc = doc;\n this.id = ++nextMarkerId;\n};\n\n// Clear the marker.\nTextMarker.prototype.clear = function () {\n var this$1 = this;\n\n if (this.explicitlyCleared) { return }\n var cm = this.doc.cm, withOp = cm && !cm.curOp;\n if (withOp) { startOperation(cm); }\n if (hasHandler(this, "clear")) {\n var found = this.find();\n if (found) { signalLater(this, "clear", found.from, found.to); }\n }\n var min = null, max = null;\n for (var i = 0; i < this.lines.length; ++i) {\n var line = this$1.lines[i];\n var span = getMarkedSpanFor(line.markedSpans, this$1);\n if (cm && !this$1.collapsed) { regLineChange(cm, lineNo(line), "text"); }\n else if (cm) {\n if (span.to != null) { max = lineNo(line); }\n if (span.from != null) { min = lineNo(line); }\n }\n line.markedSpans = removeMarkedSpan(line.markedSpans, span);\n if (span.from == null && this$1.collapsed && !lineIsHidden(this$1.doc, line) && cm)\n { updateLineHeight(line, textHeight(cm.display)); }\n }\n if (cm && this.collapsed && !cm.options.lineWrapping) { for (var i$1 = 0; i$1 < this.lines.length; ++i$1) {\n var visual = visualLine(this$1.lines[i$1]), len = lineLength(visual);\n if (len > cm.display.maxLineLength) {\n cm.display.maxLine = visual;\n cm.display.maxLineLength = len;\n cm.display.maxLineChanged = true;\n }\n } }\n\n if (min != null && cm && this.collapsed) { regChange(cm, min, max + 1); }\n this.lines.length = 0;\n this.explicitlyCleared = true;\n if (this.atomic && this.doc.cantEdit) {\n this.doc.cantEdit = false;\n if (cm) { reCheckSelection(cm.doc); }\n }\n if (cm) { signalLater(cm, "markerCleared", cm, this, min, max); }\n if (withOp) { endOperation(cm); }\n if (this.parent) { this.parent.clear(); }\n};\n\n// Find the position of the marker in the document. Returns a {from,\n// to} object by default. Side can be passed to get a specific side\n// -- 0 (both), -1 (left), or 1 (right). When lineObj is true, the\n// Pos objects returned contain a line object, rather than a line\n// number (used to prevent looking up the same line twice).\nTextMarker.prototype.find = function (side, lineObj) {\n var this$1 = this;\n\n if (side == null && this.type == "bookmark") { side = 1; }\n var from, to;\n for (var i = 0; i < this.lines.length; ++i) {\n var line = this$1.lines[i];\n var span = getMarkedSpanFor(line.markedSpans, this$1);\n if (span.from != null) {\n from = Pos(lineObj ? line : lineNo(line), span.from);\n if (side == -1) { return from }\n }\n if (span.to != null) {\n to = Pos(lineObj ? line : lineNo(line), span.to);\n if (side == 1) { return to }\n }\n }\n return from && {from: from, to: to}\n};\n\n// Signals that the marker\'s widget changed, and surrounding layout\n// should be recomputed.\nTextMarker.prototype.changed = function () {\n var this$1 = this;\n\n var pos = this.find(-1, true), widget = this, cm = this.doc.cm;\n if (!pos || !cm) { return }\n runInOp(cm, function () {\n var line = pos.line, lineN = lineNo(pos.line);\n var view = findViewForLine(cm, lineN);\n if (view) {\n clearLineMeasurementCacheFor(view);\n cm.curOp.selectionChanged = cm.curOp.forceUpdate = true;\n }\n cm.curOp.updateMaxLine = true;\n if (!lineIsHidden(widget.doc, line) && widget.height != null) {\n var oldHeight = widget.height;\n widget.height = null;\n var dHeight = widgetHeight(widget) - oldHeight;\n if (dHeight)\n { updateLineHeight(line, line.height + dHeight); }\n }\n signalLater(cm, "markerChanged", cm, this$1);\n });\n};\n\nTextMarker.prototype.attachLine = function (line) {\n if (!this.lines.length && this.doc.cm) {\n var op = this.doc.cm.curOp;\n if (!op.maybeHiddenMarkers || indexOf(op.maybeHiddenMarkers, this) == -1)\n { (op.maybeUnhiddenMarkers || (op.maybeUnhiddenMarkers = [])).push(this); }\n }\n this.lines.push(line);\n};\n\nTextMarker.prototype.detachLine = function (line) {\n this.lines.splice(indexOf(this.lines, line), 1);\n if (!this.lines.length && this.doc.cm) {\n var op = this.doc.cm.curOp;(op.maybeHiddenMarkers || (op.maybeHiddenMarkers = [])).push(this);\n }\n};\neventMixin(TextMarker);\n\n// Create a marker, wire it up to the right lines, and\nfunction markText(doc, from, to, options, type) {\n // Shared markers (across linked documents) are handled separately\n // (markTextShared will call out to this again, once per\n // document).\n if (options && options.shared) { return markTextShared(doc, from, to, options, type) }\n // Ensure we are in an operation.\n if (doc.cm && !doc.cm.curOp) { return operation(doc.cm, markText)(doc, from, to, options, type) }\n\n var marker = new TextMarker(doc, type), diff = cmp(from, to);\n if (options) { copyObj(options, marker, false); }\n // Don\'t connect empty markers unless clearWhenEmpty is false\n if (diff > 0 || diff == 0 && marker.clearWhenEmpty !== false)\n { return marker }\n if (marker.replacedWith) {\n // Showing up as a widget implies collapsed (widget replaces text)\n marker.collapsed = true;\n marker.widgetNode = eltP("span", [marker.replacedWith], "CodeMirror-widget");\n if (!options.handleMouseEvents) { marker.widgetNode.setAttribute("cm-ignore-events", "true"); }\n if (options.insertLeft) { marker.widgetNode.insertLeft = true; }\n }\n if (marker.collapsed) {\n if (conflictingCollapsedRange(doc, from.line, from, to, marker) ||\n from.line != to.line && conflictingCollapsedRange(doc, to.line, from, to, marker))\n { throw new Error("Inserting collapsed marker partially overlapping an existing one") }\n seeCollapsedSpans();\n }\n\n if (marker.addToHistory)\n { addChangeToHistory(doc, {from: from, to: to, origin: "markText"}, doc.sel, NaN); }\n\n var curLine = from.line, cm = doc.cm, updateMaxLine;\n doc.iter(curLine, to.line + 1, function (line) {\n if (cm && marker.collapsed && !cm.options.lineWrapping && visualLine(line) == cm.display.maxLine)\n { updateMaxLine = true; }\n if (marker.collapsed && curLine != from.line) { updateLineHeight(line, 0); }\n addMarkedSpan(line, new MarkedSpan(marker,\n curLine == from.line ? from.ch : null,\n curLine == to.line ? to.ch : null));\n ++curLine;\n });\n // lineIsHidden depends on the presence of the spans, so needs a second pass\n if (marker.collapsed) { doc.iter(from.line, to.line + 1, function (line) {\n if (lineIsHidden(doc, line)) { updateLineHeight(line, 0); }\n }); }\n\n if (marker.clearOnEnter) { on(marker, "beforeCursorEnter", function () { return marker.clear(); }); }\n\n if (marker.readOnly) {\n seeReadOnlySpans();\n if (doc.history.done.length || doc.history.undone.length)\n { doc.clearHistory(); }\n }\n if (marker.collapsed) {\n marker.id = ++nextMarkerId;\n marker.atomic = true;\n }\n if (cm) {\n // Sync editor state\n if (updateMaxLine) { cm.curOp.updateMaxLine = true; }\n if (marker.collapsed)\n { regChange(cm, from.line, to.line + 1); }\n else if (marker.className || marker.title || marker.startStyle || marker.endStyle || marker.css)\n { for (var i = from.line; i <= to.line; i++) { regLineChange(cm, i, "text"); } }\n if (marker.atomic) { reCheckSelection(cm.doc); }\n signalLater(cm, "markerAdded", cm, marker);\n }\n return marker\n}\n\n// SHARED TEXTMARKERS\n\n// A shared marker spans multiple linked documents. It is\n// implemented as a meta-marker-object controlling multiple normal\n// markers.\nvar SharedTextMarker = function(markers, primary) {\n var this$1 = this;\n\n this.markers = markers;\n this.primary = primary;\n for (var i = 0; i < markers.length; ++i)\n { markers[i].parent = this$1; }\n};\n\nSharedTextMarker.prototype.clear = function () {\n var this$1 = this;\n\n if (this.explicitlyCleared) { return }\n this.explicitlyCleared = true;\n for (var i = 0; i < this.markers.length; ++i)\n { this$1.markers[i].clear(); }\n signalLater(this, "clear");\n};\n\nSharedTextMarker.prototype.find = function (side, lineObj) {\n return this.primary.find(side, lineObj)\n};\neventMixin(SharedTextMarker);\n\nfunction markTextShared(doc, from, to, options, type) {\n options = copyObj(options);\n options.shared = false;\n var markers = [markText(doc, from, to, options, type)], primary = markers[0];\n var widget = options.widgetNode;\n linkedDocs(doc, function (doc) {\n if (widget) { options.widgetNode = widget.cloneNode(true); }\n markers.push(markText(doc, clipPos(doc, from), clipPos(doc, to), options, type));\n for (var i = 0; i < doc.linked.length; ++i)\n { if (doc.linked[i].isParent) { return } }\n primary = lst(markers);\n });\n return new SharedTextMarker(markers, primary)\n}\n\nfunction findSharedMarkers(doc) {\n return doc.findMarks(Pos(doc.first, 0), doc.clipPos(Pos(doc.lastLine())), function (m) { return m.parent; })\n}\n\nfunction copySharedMarkers(doc, markers) {\n for (var i = 0; i < markers.length; i++) {\n var marker = markers[i], pos = marker.find();\n var mFrom = doc.clipPos(pos.from), mTo = doc.clipPos(pos.to);\n if (cmp(mFrom, mTo)) {\n var subMark = markText(doc, mFrom, mTo, marker.primary, marker.primary.type);\n marker.markers.push(subMark);\n subMark.parent = marker;\n }\n }\n}\n\nfunction detachSharedMarkers(markers) {\n var loop = function ( i ) {\n var marker = markers[i], linked = [marker.primary.doc];\n linkedDocs(marker.primary.doc, function (d) { return linked.push(d); });\n for (var j = 0; j < marker.markers.length; j++) {\n var subMarker = marker.markers[j];\n if (indexOf(linked, subMarker.doc) == -1) {\n subMarker.parent = null;\n marker.markers.splice(j--, 1);\n }\n }\n };\n\n for (var i = 0; i < markers.length; i++) loop( i );\n}\n\nvar nextDocId = 0;\nvar Doc = function(text, mode, firstLine, lineSep, direction) {\n if (!(this instanceof Doc)) { return new Doc(text, mode, firstLine, lineSep, direction) }\n if (firstLine == null) { firstLine = 0; }\n\n BranchChunk.call(this, [new LeafChunk([new Line("", null)])]);\n this.first = firstLine;\n this.scrollTop = this.scrollLeft = 0;\n this.cantEdit = false;\n this.cleanGeneration = 1;\n this.modeFrontier = this.highlightFrontier = firstLine;\n var start = Pos(firstLine, 0);\n this.sel = simpleSelection(start);\n this.history = new History(null);\n this.id = ++nextDocId;\n this.modeOption = mode;\n this.lineSep = lineSep;\n this.direction = (direction == "rtl") ? "rtl" : "ltr";\n this.extend = false;\n\n if (typeof text == "string") { text = this.splitLines(text); }\n updateDoc(this, {from: start, to: start, text: text});\n setSelection(this, simpleSelection(start), sel_dontScroll);\n};\n\nDoc.prototype = createObj(BranchChunk.prototype, {\n constructor: Doc,\n // Iterate over the document. Supports two forms -- with only one\n // argument, it calls that for each line in the document. With\n // three, it iterates over the range given by the first two (with\n // the second being non-inclusive).\n iter: function(from, to, op) {\n if (op) { this.iterN(from - this.first, to - from, op); }\n else { this.iterN(this.first, this.first + this.size, from); }\n },\n\n // Non-public interface for adding and removing lines.\n insert: function(at, lines) {\n var height = 0;\n for (var i = 0; i < lines.length; ++i) { height += lines[i].height; }\n this.insertInner(at - this.first, lines, height);\n },\n remove: function(at, n) { this.removeInner(at - this.first, n); },\n\n // From here, the methods are part of the public interface. Most\n // are also available from CodeMirror (editor) instances.\n\n getValue: function(lineSep) {\n var lines = getLines(this, this.first, this.first + this.size);\n if (lineSep === false) { return lines }\n return lines.join(lineSep || this.lineSeparator())\n },\n setValue: docMethodOp(function(code) {\n var top = Pos(this.first, 0), last = this.first + this.size - 1;\n makeChange(this, {from: top, to: Pos(last, getLine(this, last).text.length),\n text: this.splitLines(code), origin: "setValue", full: true}, true);\n if (this.cm) { scrollToCoords(this.cm, 0, 0); }\n setSelection(this, simpleSelection(top), sel_dontScroll);\n }),\n replaceRange: function(code, from, to, origin) {\n from = clipPos(this, from);\n to = to ? clipPos(this, to) : from;\n replaceRange(this, code, from, to, origin);\n },\n getRange: function(from, to, lineSep) {\n var lines = getBetween(this, clipPos(this, from), clipPos(this, to));\n if (lineSep === false) { return lines }\n return lines.join(lineSep || this.lineSeparator())\n },\n\n getLine: function(line) {var l = this.getLineHandle(line); return l && l.text},\n\n getLineHandle: function(line) {if (isLine(this, line)) { return getLine(this, line) }},\n getLineNumber: function(line) {return lineNo(line)},\n\n getLineHandleVisualStart: function(line) {\n if (typeof line == "number") { line = getLine(this, line); }\n return visualLine(line)\n },\n\n lineCount: function() {return this.size},\n firstLine: function() {return this.first},\n lastLine: function() {return this.first + this.size - 1},\n\n clipPos: function(pos) {return clipPos(this, pos)},\n\n getCursor: function(start) {\n var range$$1 = this.sel.primary(), pos;\n if (start == null || start == "head") { pos = range$$1.head; }\n else if (start == "anchor") { pos = range$$1.anchor; }\n else if (start == "end" || start == "to" || start === false) { pos = range$$1.to(); }\n else { pos = range$$1.from(); }\n return pos\n },\n listSelections: function() { return this.sel.ranges },\n somethingSelected: function() {return this.sel.somethingSelected()},\n\n setCursor: docMethodOp(function(line, ch, options) {\n setSimpleSelection(this, clipPos(this, typeof line == "number" ? Pos(line, ch || 0) : line), null, options);\n }),\n setSelection: docMethodOp(function(anchor, head, options) {\n setSimpleSelection(this, clipPos(this, anchor), clipPos(this, head || anchor), options);\n }),\n extendSelection: docMethodOp(function(head, other, options) {\n extendSelection(this, clipPos(this, head), other && clipPos(this, other), options);\n }),\n extendSelections: docMethodOp(function(heads, options) {\n extendSelections(this, clipPosArray(this, heads), options);\n }),\n extendSelectionsBy: docMethodOp(function(f, options) {\n var heads = map(this.sel.ranges, f);\n extendSelections(this, clipPosArray(this, heads), options);\n }),\n setSelections: docMethodOp(function(ranges, primary, options) {\n var this$1 = this;\n\n if (!ranges.length) { return }\n var out = [];\n for (var i = 0; i < ranges.length; i++)\n { out[i] = new Range(clipPos(this$1, ranges[i].anchor),\n clipPos(this$1, ranges[i].head)); }\n if (primary == null) { primary = Math.min(ranges.length - 1, this.sel.primIndex); }\n setSelection(this, normalizeSelection(out, primary), options);\n }),\n addSelection: docMethodOp(function(anchor, head, options) {\n var ranges = this.sel.ranges.slice(0);\n ranges.push(new Range(clipPos(this, anchor), clipPos(this, head || anchor)));\n setSelection(this, normalizeSelection(ranges, ranges.length - 1), options);\n }),\n\n getSelection: function(lineSep) {\n var this$1 = this;\n\n var ranges = this.sel.ranges, lines;\n for (var i = 0; i < ranges.length; i++) {\n var sel = getBetween(this$1, ranges[i].from(), ranges[i].to());\n lines = lines ? lines.concat(sel) : sel;\n }\n if (lineSep === false) { return lines }\n else { return lines.join(lineSep || this.lineSeparator()) }\n },\n getSelections: function(lineSep) {\n var this$1 = this;\n\n var parts = [], ranges = this.sel.ranges;\n for (var i = 0; i < ranges.length; i++) {\n var sel = getBetween(this$1, ranges[i].from(), ranges[i].to());\n if (lineSep !== false) { sel = sel.join(lineSep || this$1.lineSeparator()); }\n parts[i] = sel;\n }\n return parts\n },\n replaceSelection: function(code, collapse, origin) {\n var dup = [];\n for (var i = 0; i < this.sel.ranges.length; i++)\n { dup[i] = code; }\n this.replaceSelections(dup, collapse, origin || "+input");\n },\n replaceSelections: docMethodOp(function(code, collapse, origin) {\n var this$1 = this;\n\n var changes = [], sel = this.sel;\n for (var i = 0; i < sel.ranges.length; i++) {\n var range$$1 = sel.ranges[i];\n changes[i] = {from: range$$1.from(), to: range$$1.to(), text: this$1.splitLines(code[i]), origin: origin};\n }\n var newSel = collapse && collapse != "end" && computeReplacedSel(this, changes, collapse);\n for (var i$1 = changes.length - 1; i$1 >= 0; i$1--)\n { makeChange(this$1, changes[i$1]); }\n if (newSel) { setSelectionReplaceHistory(this, newSel); }\n else if (this.cm) { ensureCursorVisible(this.cm); }\n }),\n undo: docMethodOp(function() {makeChangeFromHistory(this, "undo");}),\n redo: docMethodOp(function() {makeChangeFromHistory(this, "redo");}),\n undoSelection: docMethodOp(function() {makeChangeFromHistory(this, "undo", true);}),\n redoSelection: docMethodOp(function() {makeChangeFromHistory(this, "redo", true);}),\n\n setExtending: function(val) {this.extend = val;},\n getExtending: function() {return this.extend},\n\n historySize: function() {\n var hist = this.history, done = 0, undone = 0;\n for (var i = 0; i < hist.done.length; i++) { if (!hist.done[i].ranges) { ++done; } }\n for (var i$1 = 0; i$1 < hist.undone.length; i$1++) { if (!hist.undone[i$1].ranges) { ++undone; } }\n return {undo: done, redo: undone}\n },\n clearHistory: function() {this.history = new History(this.history.maxGeneration);},\n\n markClean: function() {\n this.cleanGeneration = this.changeGeneration(true);\n },\n changeGeneration: function(forceSplit) {\n if (forceSplit)\n { this.history.lastOp = this.history.lastSelOp = this.history.lastOrigin = null; }\n return this.history.generation\n },\n isClean: function (gen) {\n return this.history.generation == (gen || this.cleanGeneration)\n },\n\n getHistory: function() {\n return {done: copyHistoryArray(this.history.done),\n undone: copyHistoryArray(this.history.undone)}\n },\n setHistory: function(histData) {\n var hist = this.history = new History(this.history.maxGeneration);\n hist.done = copyHistoryArray(histData.done.slice(0), null, true);\n hist.undone = copyHistoryArray(histData.undone.slice(0), null, true);\n },\n\n setGutterMarker: docMethodOp(function(line, gutterID, value) {\n return changeLine(this, line, "gutter", function (line) {\n var markers = line.gutterMarkers || (line.gutterMarkers = {});\n markers[gutterID] = value;\n if (!value && isEmpty(markers)) { line.gutterMarkers = null; }\n return true\n })\n }),\n\n clearGutter: docMethodOp(function(gutterID) {\n var this$1 = this;\n\n this.iter(function (line) {\n if (line.gutterMarkers && line.gutterMarkers[gutterID]) {\n changeLine(this$1, line, "gutter", function () {\n line.gutterMarkers[gutterID] = null;\n if (isEmpty(line.gutterMarkers)) { line.gutterMarkers = null; }\n return true\n });\n }\n });\n }),\n\n lineInfo: function(line) {\n var n;\n if (typeof line == "number") {\n if (!isLine(this, line)) { return null }\n n = line;\n line = getLine(this, line);\n if (!line) { return null }\n } else {\n n = lineNo(line);\n if (n == null) { return null }\n }\n return {line: n, handle: line, text: line.text, gutterMarkers: line.gutterMarkers,\n textClass: line.textClass, bgClass: line.bgClass, wrapClass: line.wrapClass,\n widgets: line.widgets}\n },\n\n addLineClass: docMethodOp(function(handle, where, cls) {\n return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) {\n var prop = where == "text" ? "textClass"\n : where == "background" ? "bgClass"\n : where == "gutter" ? "gutterClass" : "wrapClass";\n if (!line[prop]) { line[prop] = cls; }\n else if (classTest(cls).test(line[prop])) { return false }\n else { line[prop] += " " + cls; }\n return true\n })\n }),\n removeLineClass: docMethodOp(function(handle, where, cls) {\n return changeLine(this, handle, where == "gutter" ? "gutter" : "class", function (line) {\n var prop = where == "text" ? "textClass"\n : where == "background" ? "bgClass"\n : where == "gutter" ? "gutterClass" : "wrapClass";\n var cur = line[prop];\n if (!cur) { return false }\n else if (cls == null) { line[prop] = null; }\n else {\n var found = cur.match(classTest(cls));\n if (!found) { return false }\n var end = found.index + found[0].length;\n line[prop] = cur.slice(0, found.index) + (!found.index || end == cur.length ? "" : " ") + cur.slice(end) || null;\n }\n return true\n })\n }),\n\n addLineWidget: docMethodOp(function(handle, node, options) {\n return addLineWidget(this, handle, node, options)\n }),\n removeLineWidget: function(widget) { widget.clear(); },\n\n markText: function(from, to, options) {\n return markText(this, clipPos(this, from), clipPos(this, to), options, options && options.type || "range")\n },\n setBookmark: function(pos, options) {\n var realOpts = {replacedWith: options && (options.nodeType == null ? options.widget : options),\n insertLeft: options && options.insertLeft,\n clearWhenEmpty: false, shared: options && options.shared,\n handleMouseEvents: options && options.handleMouseEvents};\n pos = clipPos(this, pos);\n return markText(this, pos, pos, realOpts, "bookmark")\n },\n findMarksAt: function(pos) {\n pos = clipPos(this, pos);\n var markers = [], spans = getLine(this, pos.line).markedSpans;\n if (spans) { for (var i = 0; i < spans.length; ++i) {\n var span = spans[i];\n if ((span.from == null || span.from <= pos.ch) &&\n (span.to == null || span.to >= pos.ch))\n { markers.push(span.marker.parent || span.marker); }\n } }\n return markers\n },\n findMarks: function(from, to, filter) {\n from = clipPos(this, from); to = clipPos(this, to);\n var found = [], lineNo$$1 = from.line;\n this.iter(from.line, to.line + 1, function (line) {\n var spans = line.markedSpans;\n if (spans) { for (var i = 0; i < spans.length; i++) {\n var span = spans[i];\n if (!(span.to != null && lineNo$$1 == from.line && from.ch >= span.to ||\n span.from == null && lineNo$$1 != from.line ||\n span.from != null && lineNo$$1 == to.line && span.from >= to.ch) &&\n (!filter || filter(span.marker)))\n { found.push(span.marker.parent || span.marker); }\n } }\n ++lineNo$$1;\n });\n return found\n },\n getAllMarks: function() {\n var markers = [];\n this.iter(function (line) {\n var sps = line.markedSpans;\n if (sps) { for (var i = 0; i < sps.length; ++i)\n { if (sps[i].from != null) { markers.push(sps[i].marker); } } }\n });\n return markers\n },\n\n posFromIndex: function(off) {\n var ch, lineNo$$1 = this.first, sepSize = this.lineSeparator().length;\n this.iter(function (line) {\n var sz = line.text.length + sepSize;\n if (sz > off) { ch = off; return true }\n off -= sz;\n ++lineNo$$1;\n });\n return clipPos(this, Pos(lineNo$$1, ch))\n },\n indexFromPos: function (coords) {\n coords = clipPos(this, coords);\n var index = coords.ch;\n if (coords.line < this.first || coords.ch < 0) { return 0 }\n var sepSize = this.lineSeparator().length;\n this.iter(this.first, coords.line, function (line) { // iter aborts when callback returns a truthy value\n index += line.text.length + sepSize;\n });\n return index\n },\n\n copy: function(copyHistory) {\n var doc = new Doc(getLines(this, this.first, this.first + this.size),\n this.modeOption, this.first, this.lineSep, this.direction);\n doc.scrollTop = this.scrollTop; doc.scrollLeft = this.scrollLeft;\n doc.sel = this.sel;\n doc.extend = false;\n if (copyHistory) {\n doc.history.undoDepth = this.history.undoDepth;\n doc.setHistory(this.getHistory());\n }\n return doc\n },\n\n linkedDoc: function(options) {\n if (!options) { options = {}; }\n var from = this.first, to = this.first + this.size;\n if (options.from != null && options.from > from) { from = options.from; }\n if (options.to != null && options.to < to) { to = options.to; }\n var copy = new Doc(getLines(this, from, to), options.mode || this.modeOption, from, this.lineSep, this.direction);\n if (options.sharedHist) { copy.history = this.history\n ; }(this.linked || (this.linked = [])).push({doc: copy, sharedHist: options.sharedHist});\n copy.linked = [{doc: this, isParent: true, sharedHist: options.sharedHist}];\n copySharedMarkers(copy, findSharedMarkers(this));\n return copy\n },\n unlinkDoc: function(other) {\n var this$1 = this;\n\n if (other instanceof CodeMirror$1) { other = other.doc; }\n if (this.linked) { for (var i = 0; i < this.linked.length; ++i) {\n var link = this$1.linked[i];\n if (link.doc != other) { continue }\n this$1.linked.splice(i, 1);\n other.unlinkDoc(this$1);\n detachSharedMarkers(findSharedMarkers(this$1));\n break\n } }\n // If the histories were shared, split them again\n if (other.history == this.history) {\n var splitIds = [other.id];\n linkedDocs(other, function (doc) { return splitIds.push(doc.id); }, true);\n other.history = new History(null);\n other.history.done = copyHistoryArray(this.history.done, splitIds);\n other.history.undone = copyHistoryArray(this.history.undone, splitIds);\n }\n },\n iterLinkedDocs: function(f) {linkedDocs(this, f);},\n\n getMode: function() {return this.mode},\n getEditor: function() {return this.cm},\n\n splitLines: function(str) {\n if (this.lineSep) { return str.split(this.lineSep) }\n return splitLinesAuto(str)\n },\n lineSeparator: function() { return this.lineSep || "\\n" },\n\n setDirection: docMethodOp(function (dir) {\n if (dir != "rtl") { dir = "ltr"; }\n if (dir == this.direction) { return }\n this.direction = dir;\n this.iter(function (line) { return line.order = null; });\n if (this.cm) { directionChanged(this.cm); }\n })\n});\n\n// Public alias.\nDoc.prototype.eachLine = Doc.prototype.iter;\n\n// Kludge to work around strange IE behavior where it\'ll sometimes\n// re-fire a series of drag-related events right after the drop (#1551)\nvar lastDrop = 0;\n\nfunction onDrop(e) {\n var cm = this;\n clearDragCursor(cm);\n if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e))\n { return }\n e_preventDefault(e);\n if (ie) { lastDrop = +new Date; }\n var pos = posFromMouse(cm, e, true), files = e.dataTransfer.files;\n if (!pos || cm.isReadOnly()) { return }\n // Might be a file drop, in which case we simply extract the text\n // and insert it.\n if (files && files.length && window.FileReader && window.File) {\n var n = files.length, text = Array(n), read = 0;\n var loadFile = function (file, i) {\n if (cm.options.allowDropFileTypes &&\n indexOf(cm.options.allowDropFileTypes, file.type) == -1)\n { return }\n\n var reader = new FileReader;\n reader.onload = operation(cm, function () {\n var content = reader.result;\n if (/[\\x00-\\x08\\x0e-\\x1f]{2}/.test(content)) { content = ""; }\n text[i] = content;\n if (++read == n) {\n pos = clipPos(cm.doc, pos);\n var change = {from: pos, to: pos,\n text: cm.doc.splitLines(text.join(cm.doc.lineSeparator())),\n origin: "paste"};\n makeChange(cm.doc, change);\n setSelectionReplaceHistory(cm.doc, simpleSelection(pos, changeEnd(change)));\n }\n });\n reader.readAsText(file);\n };\n for (var i = 0; i < n; ++i) { loadFile(files[i], i); }\n } else { // Normal drop\n // Don\'t do a replace if the drop happened inside of the selected text.\n if (cm.state.draggingText && cm.doc.sel.contains(pos) > -1) {\n cm.state.draggingText(e);\n // Ensure the editor is re-focused\n setTimeout(function () { return cm.display.input.focus(); }, 20);\n return\n }\n try {\n var text$1 = e.dataTransfer.getData("Text");\n if (text$1) {\n var selected;\n if (cm.state.draggingText && !cm.state.draggingText.copy)\n { selected = cm.listSelections(); }\n setSelectionNoUndo(cm.doc, simpleSelection(pos, pos));\n if (selected) { for (var i$1 = 0; i$1 < selected.length; ++i$1)\n { replaceRange(cm.doc, "", selected[i$1].anchor, selected[i$1].head, "drag"); } }\n cm.replaceSelection(text$1, "around", "paste");\n cm.display.input.focus();\n }\n }\n catch(e){}\n }\n}\n\nfunction onDragStart(cm, e) {\n if (ie && (!cm.state.draggingText || +new Date - lastDrop < 100)) { e_stop(e); return }\n if (signalDOMEvent(cm, e) || eventInWidget(cm.display, e)) { return }\n\n e.dataTransfer.setData("Text", cm.getSelection());\n e.dataTransfer.effectAllowed = "copyMove";\n\n // Use dummy image instead of default browsers image.\n // Recent Safari (~6.0.2) have a tendency to segfault when this happens, so we don\'t do it there.\n if (e.dataTransfer.setDragImage && !safari) {\n var img = elt("img", null, null, "position: fixed; left: 0; top: 0;");\n img.src = "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==";\n if (presto) {\n img.width = img.height = 1;\n cm.display.wrapper.appendChild(img);\n // Force a relayout, or Opera won\'t use our image for some obscure reason\n img._top = img.offsetTop;\n }\n e.dataTransfer.setDragImage(img, 0, 0);\n if (presto) { img.parentNode.removeChild(img); }\n }\n}\n\nfunction onDragOver(cm, e) {\n var pos = posFromMouse(cm, e);\n if (!pos) { return }\n var frag = document.createDocumentFragment();\n drawSelectionCursor(cm, pos, frag);\n if (!cm.display.dragCursor) {\n cm.display.dragCursor = elt("div", null, "CodeMirror-cursors CodeMirror-dragcursors");\n cm.display.lineSpace.insertBefore(cm.display.dragCursor, cm.display.cursorDiv);\n }\n removeChildrenAndAdd(cm.display.dragCursor, frag);\n}\n\nfunction clearDragCursor(cm) {\n if (cm.display.dragCursor) {\n cm.display.lineSpace.removeChild(cm.display.dragCursor);\n cm.display.dragCursor = null;\n }\n}\n\n// These must be handled carefully, because naively registering a\n// handler for each editor will cause the editors to never be\n// garbage collected.\n\nfunction forEachCodeMirror(f) {\n if (!document.getElementsByClassName) { return }\n var byClass = document.getElementsByClassName("CodeMirror");\n for (var i = 0; i < byClass.length; i++) {\n var cm = byClass[i].CodeMirror;\n if (cm) { f(cm); }\n }\n}\n\nvar globalsRegistered = false;\nfunction ensureGlobalHandlers() {\n if (globalsRegistered) { return }\n registerGlobalHandlers();\n globalsRegistered = true;\n}\nfunction registerGlobalHandlers() {\n // When the window resizes, we need to refresh active editors.\n var resizeTimer;\n on(window, "resize", function () {\n if (resizeTimer == null) { resizeTimer = setTimeout(function () {\n resizeTimer = null;\n forEachCodeMirror(onResize);\n }, 100); }\n });\n // When the window loses focus, we want to show the editor as blurred\n on(window, "blur", function () { return forEachCodeMirror(onBlur); });\n}\n// Called when the window resizes\nfunction onResize(cm) {\n var d = cm.display;\n if (d.lastWrapHeight == d.wrapper.clientHeight && d.lastWrapWidth == d.wrapper.clientWidth)\n { return }\n // Might be a text scaling operation, clear size caches.\n d.cachedCharWidth = d.cachedTextHeight = d.cachedPaddingH = null;\n d.scrollbarsClipped = false;\n cm.setSize();\n}\n\nvar keyNames = {\n 3: "Enter", 8: "Backspace", 9: "Tab", 13: "Enter", 16: "Shift", 17: "Ctrl", 18: "Alt",\n 19: "Pause", 20: "CapsLock", 27: "Esc", 32: "Space", 33: "PageUp", 34: "PageDown", 35: "End",\n 36: "Home", 37: "Left", 38: "Up", 39: "Right", 40: "Down", 44: "PrintScrn", 45: "Insert",\n 46: "Delete", 59: ";", 61: "=", 91: "Mod", 92: "Mod", 93: "Mod",\n 106: "*", 107: "=", 109: "-", 110: ".", 111: "/", 127: "Delete",\n 173: "-", 186: ";", 187: "=", 188: ",", 189: "-", 190: ".", 191: "/", 192: "`", 219: "[", 220: "\\\\",\n 221: "]", 222: "\'", 63232: "Up", 63233: "Down", 63234: "Left", 63235: "Right", 63272: "Delete",\n 63273: "Home", 63275: "End", 63276: "PageUp", 63277: "PageDown", 63302: "Insert"\n};\n\n// Number keys\nfor (var i = 0; i < 10; i++) { keyNames[i + 48] = keyNames[i + 96] = String(i); }\n// Alphabetic keys\nfor (var i$1 = 65; i$1 <= 90; i$1++) { keyNames[i$1] = String.fromCharCode(i$1); }\n// Function keys\nfor (var i$2 = 1; i$2 <= 12; i$2++) { keyNames[i$2 + 111] = keyNames[i$2 + 63235] = "F" + i$2; }\n\nvar keyMap = {};\n\nkeyMap.basic = {\n "Left": "goCharLeft", "Right": "goCharRight", "Up": "goLineUp", "Down": "goLineDown",\n "End": "goLineEnd", "Home": "goLineStartSmart", "PageUp": "goPageUp", "PageDown": "goPageDown",\n "Delete": "delCharAfter", "Backspace": "delCharBefore", "Shift-Backspace": "delCharBefore",\n "Tab": "defaultTab", "Shift-Tab": "indentAuto",\n "Enter": "newlineAndIndent", "Insert": "toggleOverwrite",\n "Esc": "singleSelection"\n};\n// Note that the save and find-related commands aren\'t defined by\n// default. User code or addons can define them. Unknown commands\n// are simply ignored.\nkeyMap.pcDefault = {\n "Ctrl-A": "selectAll", "Ctrl-D": "deleteLine", "Ctrl-Z": "undo", "Shift-Ctrl-Z": "redo", "Ctrl-Y": "redo",\n "Ctrl-Home": "goDocStart", "Ctrl-End": "goDocEnd", "Ctrl-Up": "goLineUp", "Ctrl-Down": "goLineDown",\n "Ctrl-Left": "goGroupLeft", "Ctrl-Right": "goGroupRight", "Alt-Left": "goLineStart", "Alt-Right": "goLineEnd",\n "Ctrl-Backspace": "delGroupBefore", "Ctrl-Delete": "delGroupAfter", "Ctrl-S": "save", "Ctrl-F": "find",\n "Ctrl-G": "findNext", "Shift-Ctrl-G": "findPrev", "Shift-Ctrl-F": "replace", "Shift-Ctrl-R": "replaceAll",\n "Ctrl-[": "indentLess", "Ctrl-]": "indentMore",\n "Ctrl-U": "undoSelection", "Shift-Ctrl-U": "redoSelection", "Alt-U": "redoSelection",\n fallthrough: "basic"\n};\n// Very basic readline/emacs-style bindings, which are standard on Mac.\nkeyMap.emacsy = {\n "Ctrl-F": "goCharRight", "Ctrl-B": "goCharLeft", "Ctrl-P": "goLineUp", "Ctrl-N": "goLineDown",\n "Alt-F": "goWordRight", "Alt-B": "goWordLeft", "Ctrl-A": "goLineStart", "Ctrl-E": "goLineEnd",\n "Ctrl-V": "goPageDown", "Shift-Ctrl-V": "goPageUp", "Ctrl-D": "delCharAfter", "Ctrl-H": "delCharBefore",\n "Alt-D": "delWordAfter", "Alt-Backspace": "delWordBefore", "Ctrl-K": "killLine", "Ctrl-T": "transposeChars",\n "Ctrl-O": "openLine"\n};\nkeyMap.macDefault = {\n "Cmd-A": "selectAll", "Cmd-D": "deleteLine", "Cmd-Z": "undo", "Shift-Cmd-Z": "redo", "Cmd-Y": "redo",\n "Cmd-Home": "goDocStart", "Cmd-Up": "goDocStart", "Cmd-End": "goDocEnd", "Cmd-Down": "goDocEnd", "Alt-Left": "goGroupLeft",\n "Alt-Right": "goGroupRight", "Cmd-Left": "goLineLeft", "Cmd-Right": "goLineRight", "Alt-Backspace": "delGroupBefore",\n "Ctrl-Alt-Backspace": "delGroupAfter", "Alt-Delete": "delGroupAfter", "Cmd-S": "save", "Cmd-F": "find",\n "Cmd-G": "findNext", "Shift-Cmd-G": "findPrev", "Cmd-Alt-F": "replace", "Shift-Cmd-Alt-F": "replaceAll",\n "Cmd-[": "indentLess", "Cmd-]": "indentMore", "Cmd-Backspace": "delWrappedLineLeft", "Cmd-Delete": "delWrappedLineRight",\n "Cmd-U": "undoSelection", "Shift-Cmd-U": "redoSelection", "Ctrl-Up": "goDocStart", "Ctrl-Down": "goDocEnd",\n fallthrough: ["basic", "emacsy"]\n};\nkeyMap["default"] = mac ? keyMap.macDefault : keyMap.pcDefault;\n\n// KEYMAP DISPATCH\n\nfunction normalizeKeyName(name) {\n var parts = name.split(/-(?!$)/);\n name = parts[parts.length - 1];\n var alt, ctrl, shift, cmd;\n for (var i = 0; i < parts.length - 1; i++) {\n var mod = parts[i];\n if (/^(cmd|meta|m)$/i.test(mod)) { cmd = true; }\n else if (/^a(lt)?$/i.test(mod)) { alt = true; }\n else if (/^(c|ctrl|control)$/i.test(mod)) { ctrl = true; }\n else if (/^s(hift)?$/i.test(mod)) { shift = true; }\n else { throw new Error("Unrecognized modifier name: " + mod) }\n }\n if (alt) { name = "Alt-" + name; }\n if (ctrl) { name = "Ctrl-" + name; }\n if (cmd) { name = "Cmd-" + name; }\n if (shift) { name = "Shift-" + name; }\n return name\n}\n\n// This is a kludge to keep keymaps mostly working as raw objects\n// (backwards compatibility) while at the same time support features\n// like normalization and multi-stroke key bindings. It compiles a\n// new normalized keymap, and then updates the old object to reflect\n// this.\nfunction normalizeKeyMap(keymap) {\n var copy = {};\n for (var keyname in keymap) { if (keymap.hasOwnProperty(keyname)) {\n var value = keymap[keyname];\n if (/^(name|fallthrough|(de|at)tach)$/.test(keyname)) { continue }\n if (value == "...") { delete keymap[keyname]; continue }\n\n var keys = map(keyname.split(" "), normalizeKeyName);\n for (var i = 0; i < keys.length; i++) {\n var val = (void 0), name = (void 0);\n if (i == keys.length - 1) {\n name = keys.join(" ");\n val = value;\n } else {\n name = keys.slice(0, i + 1).join(" ");\n val = "...";\n }\n var prev = copy[name];\n if (!prev) { copy[name] = val; }\n else if (prev != val) { throw new Error("Inconsistent bindings for " + name) }\n }\n delete keymap[keyname];\n } }\n for (var prop in copy) { keymap[prop] = copy[prop]; }\n return keymap\n}\n\nfunction lookupKey(key, map$$1, handle, context) {\n map$$1 = getKeyMap(map$$1);\n var found = map$$1.call ? map$$1.call(key, context) : map$$1[key];\n if (found === false) { return "nothing" }\n if (found === "...") { return "multi" }\n if (found != null && handle(found)) { return "handled" }\n\n if (map$$1.fallthrough) {\n if (Object.prototype.toString.call(map$$1.fallthrough) != "[object Array]")\n { return lookupKey(key, map$$1.fallthrough, handle, context) }\n for (var i = 0; i < map$$1.fallthrough.length; i++) {\n var result = lookupKey(key, map$$1.fallthrough[i], handle, context);\n if (result) { return result }\n }\n }\n}\n\n// Modifier key presses don\'t count as \'real\' key presses for the\n// purpose of keymap fallthrough.\nfunction isModifierKey(value) {\n var name = typeof value == "string" ? value : keyNames[value.keyCode];\n return name == "Ctrl" || name == "Alt" || name == "Shift" || name == "Mod"\n}\n\nfunction addModifierNames(name, event, noShift) {\n var base = name;\n if (event.altKey && base != "Alt") { name = "Alt-" + name; }\n if ((flipCtrlCmd ? event.metaKey : event.ctrlKey) && base != "Ctrl") { name = "Ctrl-" + name; }\n if ((flipCtrlCmd ? event.ctrlKey : event.metaKey) && base != "Cmd") { name = "Cmd-" + name; }\n if (!noShift && event.shiftKey && base != "Shift") { name = "Shift-" + name; }\n return name\n}\n\n// Look up the name of a key as indicated by an event object.\nfunction keyName(event, noShift) {\n if (presto && event.keyCode == 34 && event["char"]) { return false }\n var name = keyNames[event.keyCode];\n if (name == null || event.altGraphKey) { return false }\n return addModifierNames(name, event, noShift)\n}\n\nfunction getKeyMap(val) {\n return typeof val == "string" ? keyMap[val] : val\n}\n\n// Helper for deleting text near the selection(s), used to implement\n// backspace, delete, and similar functionality.\nfunction deleteNearSelection(cm, compute) {\n var ranges = cm.doc.sel.ranges, kill = [];\n // Build up a set of ranges to kill first, merging overlapping\n // ranges.\n for (var i = 0; i < ranges.length; i++) {\n var toKill = compute(ranges[i]);\n while (kill.length && cmp(toKill.from, lst(kill).to) <= 0) {\n var replaced = kill.pop();\n if (cmp(replaced.from, toKill.from) < 0) {\n toKill.from = replaced.from;\n break\n }\n }\n kill.push(toKill);\n }\n // Next, remove those actual ranges.\n runInOp(cm, function () {\n for (var i = kill.length - 1; i >= 0; i--)\n { replaceRange(cm.doc, "", kill[i].from, kill[i].to, "+delete"); }\n ensureCursorVisible(cm);\n });\n}\n\nfunction moveCharLogically(line, ch, dir) {\n var target = skipExtendingChars(line.text, ch + dir, dir);\n return target < 0 || target > line.text.length ? null : target\n}\n\nfunction moveLogically(line, start, dir) {\n var ch = moveCharLogically(line, start.ch, dir);\n return ch == null ? null : new Pos(start.line, ch, dir < 0 ? "after" : "before")\n}\n\nfunction endOfLine(visually, cm, lineObj, lineNo, dir) {\n if (visually) {\n var order = getOrder(lineObj, cm.doc.direction);\n if (order) {\n var part = dir < 0 ? lst(order) : order[0];\n var moveInStorageOrder = (dir < 0) == (part.level == 1);\n var sticky = moveInStorageOrder ? "after" : "before";\n var ch;\n // With a wrapped rtl chunk (possibly spanning multiple bidi parts),\n // it could be that the last bidi part is not on the last visual line,\n // since visual lines contain content order-consecutive chunks.\n // Thus, in rtl, we are looking for the first (content-order) character\n // in the rtl chunk that is on the last line (that is, the same line\n // as the last (content-order) character).\n if (part.level > 0 || cm.doc.direction == "rtl") {\n var prep = prepareMeasureForLine(cm, lineObj);\n ch = dir < 0 ? lineObj.text.length - 1 : 0;\n var targetTop = measureCharPrepared(cm, prep, ch).top;\n ch = findFirst(function (ch) { return measureCharPrepared(cm, prep, ch).top == targetTop; }, (dir < 0) == (part.level == 1) ? part.from : part.to - 1, ch);\n if (sticky == "before") { ch = moveCharLogically(lineObj, ch, 1); }\n } else { ch = dir < 0 ? part.to : part.from; }\n return new Pos(lineNo, ch, sticky)\n }\n }\n return new Pos(lineNo, dir < 0 ? lineObj.text.length : 0, dir < 0 ? "before" : "after")\n}\n\nfunction moveVisually(cm, line, start, dir) {\n var bidi = getOrder(line, cm.doc.direction);\n if (!bidi) { return moveLogically(line, start, dir) }\n if (start.ch >= line.text.length) {\n start.ch = line.text.length;\n start.sticky = "before";\n } else if (start.ch <= 0) {\n start.ch = 0;\n start.sticky = "after";\n }\n var partPos = getBidiPartAt(bidi, start.ch, start.sticky), part = bidi[partPos];\n if (cm.doc.direction == "ltr" && part.level % 2 == 0 && (dir > 0 ? part.to > start.ch : part.from < start.ch)) {\n // Case 1: We move within an ltr part in an ltr editor. Even with wrapped lines,\n // nothing interesting happens.\n return moveLogically(line, start, dir)\n }\n\n var mv = function (pos, dir) { return moveCharLogically(line, pos instanceof Pos ? pos.ch : pos, dir); };\n var prep;\n var getWrappedLineExtent = function (ch) {\n if (!cm.options.lineWrapping) { return {begin: 0, end: line.text.length} }\n prep = prep || prepareMeasureForLine(cm, line);\n return wrappedLineExtentChar(cm, line, prep, ch)\n };\n var wrappedLineExtent = getWrappedLineExtent(start.sticky == "before" ? mv(start, -1) : start.ch);\n\n if (cm.doc.direction == "rtl" || part.level == 1) {\n var moveInStorageOrder = (part.level == 1) == (dir < 0);\n var ch = mv(start, moveInStorageOrder ? 1 : -1);\n if (ch != null && (!moveInStorageOrder ? ch >= part.from && ch >= wrappedLineExtent.begin : ch <= part.to && ch <= wrappedLineExtent.end)) {\n // Case 2: We move within an rtl part or in an rtl editor on the same visual line\n var sticky = moveInStorageOrder ? "before" : "after";\n return new Pos(start.line, ch, sticky)\n }\n }\n\n // Case 3: Could not move within this bidi part in this visual line, so leave\n // the current bidi part\n\n var searchInVisualLine = function (partPos, dir, wrappedLineExtent) {\n var getRes = function (ch, moveInStorageOrder) { return moveInStorageOrder\n ? new Pos(start.line, mv(ch, 1), "before")\n : new Pos(start.line, ch, "after"); };\n\n for (; partPos >= 0 && partPos < bidi.length; partPos += dir) {\n var part = bidi[partPos];\n var moveInStorageOrder = (dir > 0) == (part.level != 1);\n var ch = moveInStorageOrder ? wrappedLineExtent.begin : mv(wrappedLineExtent.end, -1);\n if (part.from <= ch && ch < part.to) { return getRes(ch, moveInStorageOrder) }\n ch = moveInStorageOrder ? part.from : mv(part.to, -1);\n if (wrappedLineExtent.begin <= ch && ch < wrappedLineExtent.end) { return getRes(ch, moveInStorageOrder) }\n }\n };\n\n // Case 3a: Look for other bidi parts on the same visual line\n var res = searchInVisualLine(partPos + dir, dir, wrappedLineExtent);\n if (res) { return res }\n\n // Case 3b: Look for other bidi parts on the next visual line\n var nextCh = dir > 0 ? wrappedLineExtent.end : mv(wrappedLineExtent.begin, -1);\n if (nextCh != null && !(dir > 0 && nextCh == line.text.length)) {\n res = searchInVisualLine(dir > 0 ? 0 : bidi.length - 1, dir, getWrappedLineExtent(nextCh));\n if (res) { return res }\n }\n\n // Case 4: Nowhere to move\n return null\n}\n\n// Commands are parameter-less actions that can be performed on an\n// editor, mostly used for keybindings.\nvar commands = {\n selectAll: selectAll,\n singleSelection: function (cm) { return cm.setSelection(cm.getCursor("anchor"), cm.getCursor("head"), sel_dontScroll); },\n killLine: function (cm) { return deleteNearSelection(cm, function (range) {\n if (range.empty()) {\n var len = getLine(cm.doc, range.head.line).text.length;\n if (range.head.ch == len && range.head.line < cm.lastLine())\n { return {from: range.head, to: Pos(range.head.line + 1, 0)} }\n else\n { return {from: range.head, to: Pos(range.head.line, len)} }\n } else {\n return {from: range.from(), to: range.to()}\n }\n }); },\n deleteLine: function (cm) { return deleteNearSelection(cm, function (range) { return ({\n from: Pos(range.from().line, 0),\n to: clipPos(cm.doc, Pos(range.to().line + 1, 0))\n }); }); },\n delLineLeft: function (cm) { return deleteNearSelection(cm, function (range) { return ({\n from: Pos(range.from().line, 0), to: range.from()\n }); }); },\n delWrappedLineLeft: function (cm) { return deleteNearSelection(cm, function (range) {\n var top = cm.charCoords(range.head, "div").top + 5;\n var leftPos = cm.coordsChar({left: 0, top: top}, "div");\n return {from: leftPos, to: range.from()}\n }); },\n delWrappedLineRight: function (cm) { return deleteNearSelection(cm, function (range) {\n var top = cm.charCoords(range.head, "div").top + 5;\n var rightPos = cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div");\n return {from: range.from(), to: rightPos }\n }); },\n undo: function (cm) { return cm.undo(); },\n redo: function (cm) { return cm.redo(); },\n undoSelection: function (cm) { return cm.undoSelection(); },\n redoSelection: function (cm) { return cm.redoSelection(); },\n goDocStart: function (cm) { return cm.extendSelection(Pos(cm.firstLine(), 0)); },\n goDocEnd: function (cm) { return cm.extendSelection(Pos(cm.lastLine())); },\n goLineStart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStart(cm, range.head.line); },\n {origin: "+move", bias: 1}\n ); },\n goLineStartSmart: function (cm) { return cm.extendSelectionsBy(function (range) { return lineStartSmart(cm, range.head); },\n {origin: "+move", bias: 1}\n ); },\n goLineEnd: function (cm) { return cm.extendSelectionsBy(function (range) { return lineEnd(cm, range.head.line); },\n {origin: "+move", bias: -1}\n ); },\n goLineRight: function (cm) { return cm.extendSelectionsBy(function (range) {\n var top = cm.cursorCoords(range.head, "div").top + 5;\n return cm.coordsChar({left: cm.display.lineDiv.offsetWidth + 100, top: top}, "div")\n }, sel_move); },\n goLineLeft: function (cm) { return cm.extendSelectionsBy(function (range) {\n var top = cm.cursorCoords(range.head, "div").top + 5;\n return cm.coordsChar({left: 0, top: top}, "div")\n }, sel_move); },\n goLineLeftSmart: function (cm) { return cm.extendSelectionsBy(function (range) {\n var top = cm.cursorCoords(range.head, "div").top + 5;\n var pos = cm.coordsChar({left: 0, top: top}, "div");\n if (pos.ch < cm.getLine(pos.line).search(/\\S/)) { return lineStartSmart(cm, range.head) }\n return pos\n }, sel_move); },\n goLineUp: function (cm) { return cm.moveV(-1, "line"); },\n goLineDown: function (cm) { return cm.moveV(1, "line"); },\n goPageUp: function (cm) { return cm.moveV(-1, "page"); },\n goPageDown: function (cm) { return cm.moveV(1, "page"); },\n goCharLeft: function (cm) { return cm.moveH(-1, "char"); },\n goCharRight: function (cm) { return cm.moveH(1, "char"); },\n goColumnLeft: function (cm) { return cm.moveH(-1, "column"); },\n goColumnRight: function (cm) { return cm.moveH(1, "column"); },\n goWordLeft: function (cm) { return cm.moveH(-1, "word"); },\n goGroupRight: function (cm) { return cm.moveH(1, "group"); },\n goGroupLeft: function (cm) { return cm.moveH(-1, "group"); },\n goWordRight: function (cm) { return cm.moveH(1, "word"); },\n delCharBefore: function (cm) { return cm.deleteH(-1, "char"); },\n delCharAfter: function (cm) { return cm.deleteH(1, "char"); },\n delWordBefore: function (cm) { return cm.deleteH(-1, "word"); },\n delWordAfter: function (cm) { return cm.deleteH(1, "word"); },\n delGroupBefore: function (cm) { return cm.deleteH(-1, "group"); },\n delGroupAfter: function (cm) { return cm.deleteH(1, "group"); },\n indentAuto: function (cm) { return cm.indentSelection("smart"); },\n indentMore: function (cm) { return cm.indentSelection("add"); },\n indentLess: function (cm) { return cm.indentSelection("subtract"); },\n insertTab: function (cm) { return cm.replaceSelection("\\t"); },\n insertSoftTab: function (cm) {\n var spaces = [], ranges = cm.listSelections(), tabSize = cm.options.tabSize;\n for (var i = 0; i < ranges.length; i++) {\n var pos = ranges[i].from();\n var col = countColumn(cm.getLine(pos.line), pos.ch, tabSize);\n spaces.push(spaceStr(tabSize - col % tabSize));\n }\n cm.replaceSelections(spaces);\n },\n defaultTab: function (cm) {\n if (cm.somethingSelected()) { cm.indentSelection("add"); }\n else { cm.execCommand("insertTab"); }\n },\n // Swap the two chars left and right of each selection\'s head.\n // Move cursor behind the two swapped characters afterwards.\n //\n // Doesn\'t consider line feeds a character.\n // Doesn\'t scan more than one line above to find a character.\n // Doesn\'t do anything on an empty line.\n // Doesn\'t do anything with non-empty selections.\n transposeChars: function (cm) { return runInOp(cm, function () {\n var ranges = cm.listSelections(), newSel = [];\n for (var i = 0; i < ranges.length; i++) {\n if (!ranges[i].empty()) { continue }\n var cur = ranges[i].head, line = getLine(cm.doc, cur.line).text;\n if (line) {\n if (cur.ch == line.length) { cur = new Pos(cur.line, cur.ch - 1); }\n if (cur.ch > 0) {\n cur = new Pos(cur.line, cur.ch + 1);\n cm.replaceRange(line.charAt(cur.ch - 1) + line.charAt(cur.ch - 2),\n Pos(cur.line, cur.ch - 2), cur, "+transpose");\n } else if (cur.line > cm.doc.first) {\n var prev = getLine(cm.doc, cur.line - 1).text;\n if (prev) {\n cur = new Pos(cur.line, 1);\n cm.replaceRange(line.charAt(0) + cm.doc.lineSeparator() +\n prev.charAt(prev.length - 1),\n Pos(cur.line - 1, prev.length - 1), cur, "+transpose");\n }\n }\n }\n newSel.push(new Range(cur, cur));\n }\n cm.setSelections(newSel);\n }); },\n newlineAndIndent: function (cm) { return runInOp(cm, function () {\n var sels = cm.listSelections();\n for (var i = sels.length - 1; i >= 0; i--)\n { cm.replaceRange(cm.doc.lineSeparator(), sels[i].anchor, sels[i].head, "+input"); }\n sels = cm.listSelections();\n for (var i$1 = 0; i$1 < sels.length; i$1++)\n { cm.indentLine(sels[i$1].from().line, null, true); }\n ensureCursorVisible(cm);\n }); },\n openLine: function (cm) { return cm.replaceSelection("\\n", "start"); },\n toggleOverwrite: function (cm) { return cm.toggleOverwrite(); }\n};\n\n\nfunction lineStart(cm, lineN) {\n var line = getLine(cm.doc, lineN);\n var visual = visualLine(line);\n if (visual != line) { lineN = lineNo(visual); }\n return endOfLine(true, cm, visual, lineN, 1)\n}\nfunction lineEnd(cm, lineN) {\n var line = getLine(cm.doc, lineN);\n var visual = visualLineEnd(line);\n if (visual != line) { lineN = lineNo(visual); }\n return endOfLine(true, cm, line, lineN, -1)\n}\nfunction lineStartSmart(cm, pos) {\n var start = lineStart(cm, pos.line);\n var line = getLine(cm.doc, start.line);\n var order = getOrder(line, cm.doc.direction);\n if (!order || order[0].level == 0) {\n var firstNonWS = Math.max(0, line.text.search(/\\S/));\n var inWS = pos.line == start.line && pos.ch <= firstNonWS && pos.ch;\n return Pos(start.line, inWS ? 0 : firstNonWS, start.sticky)\n }\n return start\n}\n\n// Run a handler that was bound to a key.\nfunction doHandleBinding(cm, bound, dropShift) {\n if (typeof bound == "string") {\n bound = commands[bound];\n if (!bound) { return false }\n }\n // Ensure previous input has been read, so that the handler sees a\n // consistent view of the document\n cm.display.input.ensurePolled();\n var prevShift = cm.display.shift, done = false;\n try {\n if (cm.isReadOnly()) { cm.state.suppressEdits = true; }\n if (dropShift) { cm.display.shift = false; }\n done = bound(cm) != Pass;\n } finally {\n cm.display.shift = prevShift;\n cm.state.suppressEdits = false;\n }\n return done\n}\n\nfunction lookupKeyForEditor(cm, name, handle) {\n for (var i = 0; i < cm.state.keyMaps.length; i++) {\n var result = lookupKey(name, cm.state.keyMaps[i], handle, cm);\n if (result) { return result }\n }\n return (cm.options.extraKeys && lookupKey(name, cm.options.extraKeys, handle, cm))\n || lookupKey(name, cm.options.keyMap, handle, cm)\n}\n\n// Note that, despite the name, this function is also used to check\n// for bound mouse clicks.\n\nvar stopSeq = new Delayed;\nfunction dispatchKey(cm, name, e, handle) {\n var seq = cm.state.keySeq;\n if (seq) {\n if (isModifierKey(name)) { return "handled" }\n stopSeq.set(50, function () {\n if (cm.state.keySeq == seq) {\n cm.state.keySeq = null;\n cm.display.input.reset();\n }\n });\n name = seq + " " + name;\n }\n var result = lookupKeyForEditor(cm, name, handle);\n\n if (result == "multi")\n { cm.state.keySeq = name; }\n if (result == "handled")\n { signalLater(cm, "keyHandled", cm, name, e); }\n\n if (result == "handled" || result == "multi") {\n e_preventDefault(e);\n restartBlink(cm);\n }\n\n if (seq && !result && /\\\'$/.test(name)) {\n e_preventDefault(e);\n return true\n }\n return !!result\n}\n\n// Handle a key from the keydown event.\nfunction handleKeyBinding(cm, e) {\n var name = keyName(e, true);\n if (!name) { return false }\n\n if (e.shiftKey && !cm.state.keySeq) {\n // First try to resolve full name (including \'Shift-\'). Failing\n // that, see if there is a cursor-motion command (starting with\n // \'go\') bound to the keyname without \'Shift-\'.\n return dispatchKey(cm, "Shift-" + name, e, function (b) { return doHandleBinding(cm, b, true); })\n || dispatchKey(cm, name, e, function (b) {\n if (typeof b == "string" ? /^go[A-Z]/.test(b) : b.motion)\n { return doHandleBinding(cm, b) }\n })\n } else {\n return dispatchKey(cm, name, e, function (b) { return doHandleBinding(cm, b); })\n }\n}\n\n// Handle a key from the keypress event\nfunction handleCharBinding(cm, e, ch) {\n return dispatchKey(cm, "\'" + ch + "\'", e, function (b) { return doHandleBinding(cm, b, true); })\n}\n\nvar lastStoppedKey = null;\nfunction onKeyDown(e) {\n var cm = this;\n cm.curOp.focus = activeElt();\n if (signalDOMEvent(cm, e)) { return }\n // IE does strange things with escape.\n if (ie && ie_version < 11 && e.keyCode == 27) { e.returnValue = false; }\n var code = e.keyCode;\n cm.display.shift = code == 16 || e.shiftKey;\n var handled = handleKeyBinding(cm, e);\n if (presto) {\n lastStoppedKey = handled ? code : null;\n // Opera has no cut event... we try to at least catch the key combo\n if (!handled && code == 88 && !hasCopyEvent && (mac ? e.metaKey : e.ctrlKey))\n { cm.replaceSelection("", null, "cut"); }\n }\n\n // Turn mouse into crosshair when Alt is held on Mac.\n if (code == 18 && !/\\bCodeMirror-crosshair\\b/.test(cm.display.lineDiv.className))\n { showCrossHair(cm); }\n}\n\nfunction showCrossHair(cm) {\n var lineDiv = cm.display.lineDiv;\n addClass(lineDiv, "CodeMirror-crosshair");\n\n function up(e) {\n if (e.keyCode == 18 || !e.altKey) {\n rmClass(lineDiv, "CodeMirror-crosshair");\n off(document, "keyup", up);\n off(document, "mouseover", up);\n }\n }\n on(document, "keyup", up);\n on(document, "mouseover", up);\n}\n\nfunction onKeyUp(e) {\n if (e.keyCode == 16) { this.doc.sel.shift = false; }\n signalDOMEvent(this, e);\n}\n\nfunction onKeyPress(e) {\n var cm = this;\n if (eventInWidget(cm.display, e) || signalDOMEvent(cm, e) || e.ctrlKey && !e.altKey || mac && e.metaKey) { return }\n var keyCode = e.keyCode, charCode = e.charCode;\n if (presto && keyCode == lastStoppedKey) {lastStoppedKey = null; e_preventDefault(e); return}\n if ((presto && (!e.which || e.which < 10)) && handleKeyBinding(cm, e)) { return }\n var ch = String.fromCharCode(charCode == null ? keyCode : charCode);\n // Some browsers fire keypress events for backspace\n if (ch == "\\x08") { return }\n if (handleCharBinding(cm, e, ch)) { return }\n cm.display.input.onKeyPress(e);\n}\n\nvar DOUBLECLICK_DELAY = 400;\n\nvar PastClick = function(time, pos, button) {\n this.time = time;\n this.pos = pos;\n this.button = button;\n};\n\nPastClick.prototype.compare = function (time, pos, button) {\n return this.time + DOUBLECLICK_DELAY > time &&\n cmp(pos, this.pos) == 0 && button == this.button\n};\n\nvar lastClick;\nvar lastDoubleClick;\nfunction clickRepeat(pos, button) {\n var now = +new Date;\n if (lastDoubleClick && lastDoubleClick.compare(now, pos, button)) {\n lastClick = lastDoubleClick = null;\n return "triple"\n } else if (lastClick && lastClick.compare(now, pos, button)) {\n lastDoubleClick = new PastClick(now, pos, button);\n lastClick = null;\n return "double"\n } else {\n lastClick = new PastClick(now, pos, button);\n lastDoubleClick = null;\n return "single"\n }\n}\n\n// A mouse down can be a single click, double click, triple click,\n// start of selection drag, start of text drag, new cursor\n// (ctrl-click), rectangle drag (alt-drag), or xwin\n// middle-click-paste. Or it might be a click on something we should\n// not interfere with, such as a scrollbar or widget.\nfunction onMouseDown(e) {\n var cm = this, display = cm.display;\n if (signalDOMEvent(cm, e) || display.activeTouch && display.input.supportsTouch()) { return }\n display.input.ensurePolled();\n display.shift = e.shiftKey;\n\n if (eventInWidget(display, e)) {\n if (!webkit) {\n // Briefly turn off draggability, to allow widgets to do\n // normal dragging things.\n display.scroller.draggable = false;\n setTimeout(function () { return display.scroller.draggable = true; }, 100);\n }\n return\n }\n if (clickInGutter(cm, e)) { return }\n var pos = posFromMouse(cm, e), button = e_button(e), repeat = pos ? clickRepeat(pos, button) : "single";\n window.focus();\n\n // #3261: make sure, that we\'re not starting a second selection\n if (button == 1 && cm.state.selectingText)\n { cm.state.selectingText(e); }\n\n if (pos && handleMappedButton(cm, button, pos, repeat, e)) { return }\n\n if (button == 1) {\n if (pos) { leftButtonDown(cm, pos, repeat, e); }\n else if (e_target(e) == display.scroller) { e_preventDefault(e); }\n } else if (button == 2) {\n if (pos) { extendSelection(cm.doc, pos); }\n setTimeout(function () { return display.input.focus(); }, 20);\n } else if (button == 3) {\n if (captureRightClick) { onContextMenu(cm, e); }\n else { delayBlurEvent(cm); }\n }\n}\n\nfunction handleMappedButton(cm, button, pos, repeat, event) {\n var name = "Click";\n if (repeat == "double") { name = "Double" + name; }\n else if (repeat == "triple") { name = "Triple" + name; }\n name = (button == 1 ? "Left" : button == 2 ? "Middle" : "Right") + name;\n\n return dispatchKey(cm, addModifierNames(name, event), event, function (bound) {\n if (typeof bound == "string") { bound = commands[bound]; }\n if (!bound) { return false }\n var done = false;\n try {\n if (cm.isReadOnly()) { cm.state.suppressEdits = true; }\n done = bound(cm, pos) != Pass;\n } finally {\n cm.state.suppressEdits = false;\n }\n return done\n })\n}\n\nfunction configureMouse(cm, repeat, event) {\n var option = cm.getOption("configureMouse");\n var value = option ? option(cm, repeat, event) : {};\n if (value.unit == null) {\n var rect = chromeOS ? event.shiftKey && event.metaKey : event.altKey;\n value.unit = rect ? "rectangle" : repeat == "single" ? "char" : repeat == "double" ? "word" : "line";\n }\n if (value.extend == null || cm.doc.extend) { value.extend = cm.doc.extend || event.shiftKey; }\n if (value.addNew == null) { value.addNew = mac ? event.metaKey : event.ctrlKey; }\n if (value.moveOnDrag == null) { value.moveOnDrag = !(mac ? event.altKey : event.ctrlKey); }\n return value\n}\n\nfunction leftButtonDown(cm, pos, repeat, event) {\n if (ie) { setTimeout(bind(ensureFocus, cm), 0); }\n else { cm.curOp.focus = activeElt(); }\n\n var behavior = configureMouse(cm, repeat, event);\n\n var sel = cm.doc.sel, contained;\n if (cm.options.dragDrop && dragAndDrop && !cm.isReadOnly() &&\n repeat == "single" && (contained = sel.contains(pos)) > -1 &&\n (cmp((contained = sel.ranges[contained]).from(), pos) < 0 || pos.xRel > 0) &&\n (cmp(contained.to(), pos) > 0 || pos.xRel < 0))\n { leftButtonStartDrag(cm, event, pos, behavior); }\n else\n { leftButtonSelect(cm, event, pos, behavior); }\n}\n\n// Start a text drag. When it ends, see if any dragging actually\n// happen, and treat as a click if it didn\'t.\nfunction leftButtonStartDrag(cm, event, pos, behavior) {\n var display = cm.display, moved = false;\n var dragEnd = operation(cm, function (e) {\n if (webkit) { display.scroller.draggable = false; }\n cm.state.draggingText = false;\n off(document, "mouseup", dragEnd);\n off(document, "mousemove", mouseMove);\n off(display.scroller, "dragstart", dragStart);\n off(display.scroller, "drop", dragEnd);\n if (!moved) {\n e_preventDefault(e);\n if (!behavior.addNew)\n { extendSelection(cm.doc, pos, null, null, behavior.extend); }\n // Work around unexplainable focus problem in IE9 (#2127) and Chrome (#3081)\n if (webkit || ie && ie_version == 9)\n { setTimeout(function () {document.body.focus(); display.input.focus();}, 20); }\n else\n { display.input.focus(); }\n }\n });\n var mouseMove = function(e2) {\n moved = moved || Math.abs(event.clientX - e2.clientX) + Math.abs(event.clientY - e2.clientY) >= 10;\n };\n var dragStart = function () { return moved = true; };\n // Let the drag handler handle this.\n if (webkit) { display.scroller.draggable = true; }\n cm.state.draggingText = dragEnd;\n dragEnd.copy = !behavior.moveOnDrag;\n // IE\'s approach to draggable\n if (display.scroller.dragDrop) { display.scroller.dragDrop(); }\n on(document, "mouseup", dragEnd);\n on(document, "mousemove", mouseMove);\n on(display.scroller, "dragstart", dragStart);\n on(display.scroller, "drop", dragEnd);\n\n delayBlurEvent(cm);\n setTimeout(function () { return display.input.focus(); }, 20);\n}\n\nfunction rangeForUnit(cm, pos, unit) {\n if (unit == "char") { return new Range(pos, pos) }\n if (unit == "word") { return cm.findWordAt(pos) }\n if (unit == "line") { return new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))) }\n var result = unit(cm, pos);\n return new Range(result.from, result.to)\n}\n\n// Normal selection, as opposed to text dragging.\nfunction leftButtonSelect(cm, event, start, behavior) {\n var display = cm.display, doc = cm.doc;\n e_preventDefault(event);\n\n var ourRange, ourIndex, startSel = doc.sel, ranges = startSel.ranges;\n if (behavior.addNew && !behavior.extend) {\n ourIndex = doc.sel.contains(start);\n if (ourIndex > -1)\n { ourRange = ranges[ourIndex]; }\n else\n { ourRange = new Range(start, start); }\n } else {\n ourRange = doc.sel.primary();\n ourIndex = doc.sel.primIndex;\n }\n\n if (behavior.unit == "rectangle") {\n if (!behavior.addNew) { ourRange = new Range(start, start); }\n start = posFromMouse(cm, event, true, true);\n ourIndex = -1;\n } else {\n var range$$1 = rangeForUnit(cm, start, behavior.unit);\n if (behavior.extend)\n { ourRange = extendRange(ourRange, range$$1.anchor, range$$1.head, behavior.extend); }\n else\n { ourRange = range$$1; }\n }\n\n if (!behavior.addNew) {\n ourIndex = 0;\n setSelection(doc, new Selection([ourRange], 0), sel_mouse);\n startSel = doc.sel;\n } else if (ourIndex == -1) {\n ourIndex = ranges.length;\n setSelection(doc, normalizeSelection(ranges.concat([ourRange]), ourIndex),\n {scroll: false, origin: "*mouse"});\n } else if (ranges.length > 1 && ranges[ourIndex].empty() && behavior.unit == "char" && !behavior.extend) {\n setSelection(doc, normalizeSelection(ranges.slice(0, ourIndex).concat(ranges.slice(ourIndex + 1)), 0),\n {scroll: false, origin: "*mouse"});\n startSel = doc.sel;\n } else {\n replaceOneSelection(doc, ourIndex, ourRange, sel_mouse);\n }\n\n var lastPos = start;\n function extendTo(pos) {\n if (cmp(lastPos, pos) == 0) { return }\n lastPos = pos;\n\n if (behavior.unit == "rectangle") {\n var ranges = [], tabSize = cm.options.tabSize;\n var startCol = countColumn(getLine(doc, start.line).text, start.ch, tabSize);\n var posCol = countColumn(getLine(doc, pos.line).text, pos.ch, tabSize);\n var left = Math.min(startCol, posCol), right = Math.max(startCol, posCol);\n for (var line = Math.min(start.line, pos.line), end = Math.min(cm.lastLine(), Math.max(start.line, pos.line));\n line <= end; line++) {\n var text = getLine(doc, line).text, leftPos = findColumn(text, left, tabSize);\n if (left == right)\n { ranges.push(new Range(Pos(line, leftPos), Pos(line, leftPos))); }\n else if (text.length > leftPos)\n { ranges.push(new Range(Pos(line, leftPos), Pos(line, findColumn(text, right, tabSize)))); }\n }\n if (!ranges.length) { ranges.push(new Range(start, start)); }\n setSelection(doc, normalizeSelection(startSel.ranges.slice(0, ourIndex).concat(ranges), ourIndex),\n {origin: "*mouse", scroll: false});\n cm.scrollIntoView(pos);\n } else {\n var oldRange = ourRange;\n var range$$1 = rangeForUnit(cm, pos, behavior.unit);\n var anchor = oldRange.anchor, head;\n if (cmp(range$$1.anchor, anchor) > 0) {\n head = range$$1.head;\n anchor = minPos(oldRange.from(), range$$1.anchor);\n } else {\n head = range$$1.anchor;\n anchor = maxPos(oldRange.to(), range$$1.head);\n }\n var ranges$1 = startSel.ranges.slice(0);\n ranges$1[ourIndex] = bidiSimplify(cm, new Range(clipPos(doc, anchor), head));\n setSelection(doc, normalizeSelection(ranges$1, ourIndex), sel_mouse);\n }\n }\n\n var editorSize = display.wrapper.getBoundingClientRect();\n // Used to ensure timeout re-tries don\'t fire when another extend\n // happened in the meantime (clearTimeout isn\'t reliable -- at\n // least on Chrome, the timeouts still happen even when cleared,\n // if the clear happens after their scheduled firing time).\n var counter = 0;\n\n function extend(e) {\n var curCount = ++counter;\n var cur = posFromMouse(cm, e, true, behavior.unit == "rectangle");\n if (!cur) { return }\n if (cmp(cur, lastPos) != 0) {\n cm.curOp.focus = activeElt();\n extendTo(cur);\n var visible = visibleLines(display, doc);\n if (cur.line >= visible.to || cur.line < visible.from)\n { setTimeout(operation(cm, function () {if (counter == curCount) { extend(e); }}), 150); }\n } else {\n var outside = e.clientY < editorSize.top ? -20 : e.clientY > editorSize.bottom ? 20 : 0;\n if (outside) { setTimeout(operation(cm, function () {\n if (counter != curCount) { return }\n display.scroller.scrollTop += outside;\n extend(e);\n }), 50); }\n }\n }\n\n function done(e) {\n cm.state.selectingText = false;\n counter = Infinity;\n e_preventDefault(e);\n display.input.focus();\n off(document, "mousemove", move);\n off(document, "mouseup", up);\n doc.history.lastSelOrigin = null;\n }\n\n var move = operation(cm, function (e) {\n if (!e_button(e)) { done(e); }\n else { extend(e); }\n });\n var up = operation(cm, done);\n cm.state.selectingText = up;\n on(document, "mousemove", move);\n on(document, "mouseup", up);\n}\n\n// Used when mouse-selecting to adjust the anchor to the proper side\n// of a bidi jump depending on the visual position of the head.\nfunction bidiSimplify(cm, range$$1) {\n var anchor = range$$1.anchor;\n var head = range$$1.head;\n var anchorLine = getLine(cm.doc, anchor.line);\n if (cmp(anchor, head) == 0 && anchor.sticky == head.sticky) { return range$$1 }\n var order = getOrder(anchorLine);\n if (!order) { return range$$1 }\n var index = getBidiPartAt(order, anchor.ch, anchor.sticky), part = order[index];\n if (part.from != anchor.ch && part.to != anchor.ch) { return range$$1 }\n var boundary = index + ((part.from == anchor.ch) == (part.level != 1) ? 0 : 1);\n if (boundary == 0 || boundary == order.length) { return range$$1 }\n\n // Compute the relative visual position of the head compared to the\n // anchor (<0 is to the left, >0 to the right)\n var leftSide;\n if (head.line != anchor.line) {\n leftSide = (head.line - anchor.line) * (cm.doc.direction == "ltr" ? 1 : -1) > 0;\n } else {\n var headIndex = getBidiPartAt(order, head.ch, head.sticky);\n var dir = headIndex - index || (head.ch - anchor.ch) * (part.level == 1 ? -1 : 1);\n if (headIndex == boundary - 1 || headIndex == boundary)\n { leftSide = dir < 0; }\n else\n { leftSide = dir > 0; }\n }\n\n var usePart = order[boundary + (leftSide ? -1 : 0)];\n var from = leftSide == (usePart.level == 1);\n var ch = from ? usePart.from : usePart.to, sticky = from ? "after" : "before";\n return anchor.ch == ch && anchor.sticky == sticky ? range$$1 : new Range(new Pos(anchor.line, ch, sticky), head)\n}\n\n\n// Determines whether an event happened in the gutter, and fires the\n// handlers for the corresponding event.\nfunction gutterEvent(cm, e, type, prevent) {\n var mX, mY;\n if (e.touches) {\n mX = e.touches[0].clientX;\n mY = e.touches[0].clientY;\n } else {\n try { mX = e.clientX; mY = e.clientY; }\n catch(e) { return false }\n }\n if (mX >= Math.floor(cm.display.gutters.getBoundingClientRect().right)) { return false }\n if (prevent) { e_preventDefault(e); }\n\n var display = cm.display;\n var lineBox = display.lineDiv.getBoundingClientRect();\n\n if (mY > lineBox.bottom || !hasHandler(cm, type)) { return e_defaultPrevented(e) }\n mY -= lineBox.top - display.viewOffset;\n\n for (var i = 0; i < cm.options.gutters.length; ++i) {\n var g = display.gutters.childNodes[i];\n if (g && g.getBoundingClientRect().right >= mX) {\n var line = lineAtHeight(cm.doc, mY);\n var gutter = cm.options.gutters[i];\n signal(cm, type, cm, line, gutter, e);\n return e_defaultPrevented(e)\n }\n }\n}\n\nfunction clickInGutter(cm, e) {\n return gutterEvent(cm, e, "gutterClick", true)\n}\n\n// CONTEXT MENU HANDLING\n\n// To make the context menu work, we need to briefly unhide the\n// textarea (making it as unobtrusive as possible) to let the\n// right-click take effect on it.\nfunction onContextMenu(cm, e) {\n if (eventInWidget(cm.display, e) || contextMenuInGutter(cm, e)) { return }\n if (signalDOMEvent(cm, e, "contextmenu")) { return }\n cm.display.input.onContextMenu(e);\n}\n\nfunction contextMenuInGutter(cm, e) {\n if (!hasHandler(cm, "gutterContextMenu")) { return false }\n return gutterEvent(cm, e, "gutterContextMenu", false)\n}\n\nfunction themeChanged(cm) {\n cm.display.wrapper.className = cm.display.wrapper.className.replace(/\\s*cm-s-\\S+/g, "") +\n cm.options.theme.replace(/(^|\\s)\\s*/g, " cm-s-");\n clearCaches(cm);\n}\n\nvar Init = {toString: function(){return "CodeMirror.Init"}};\n\nvar defaults = {};\nvar optionHandlers = {};\n\nfunction defineOptions(CodeMirror) {\n var optionHandlers = CodeMirror.optionHandlers;\n\n function option(name, deflt, handle, notOnInit) {\n CodeMirror.defaults[name] = deflt;\n if (handle) { optionHandlers[name] =\n notOnInit ? function (cm, val, old) {if (old != Init) { handle(cm, val, old); }} : handle; }\n }\n\n CodeMirror.defineOption = option;\n\n // Passed to option handlers when there is no old value.\n CodeMirror.Init = Init;\n\n // These two are, on init, called from the constructor because they\n // have to be initialized before the editor can start at all.\n option("value", "", function (cm, val) { return cm.setValue(val); }, true);\n option("mode", null, function (cm, val) {\n cm.doc.modeOption = val;\n loadMode(cm);\n }, true);\n\n option("indentUnit", 2, loadMode, true);\n option("indentWithTabs", false);\n option("smartIndent", true);\n option("tabSize", 4, function (cm) {\n resetModeState(cm);\n clearCaches(cm);\n regChange(cm);\n }, true);\n option("lineSeparator", null, function (cm, val) {\n cm.doc.lineSep = val;\n if (!val) { return }\n var newBreaks = [], lineNo = cm.doc.first;\n cm.doc.iter(function (line) {\n for (var pos = 0;;) {\n var found = line.text.indexOf(val, pos);\n if (found == -1) { break }\n pos = found + val.length;\n newBreaks.push(Pos(lineNo, found));\n }\n lineNo++;\n });\n for (var i = newBreaks.length - 1; i >= 0; i--)\n { replaceRange(cm.doc, val, newBreaks[i], Pos(newBreaks[i].line, newBreaks[i].ch + val.length)); }\n });\n option("specialChars", /[\\u0000-\\u001f\\u007f-\\u009f\\u00ad\\u061c\\u200b-\\u200f\\u2028\\u2029\\ufeff]/g, function (cm, val, old) {\n cm.state.specialChars = new RegExp(val.source + (val.test("\\t") ? "" : "|\\t"), "g");\n if (old != Init) { cm.refresh(); }\n });\n option("specialCharPlaceholder", defaultSpecialCharPlaceholder, function (cm) { return cm.refresh(); }, true);\n option("electricChars", true);\n option("inputStyle", mobile ? "contenteditable" : "textarea", function () {\n throw new Error("inputStyle can not (yet) be changed in a running editor") // FIXME\n }, true);\n option("spellcheck", false, function (cm, val) { return cm.getInputField().spellcheck = val; }, true);\n option("rtlMoveVisually", !windows);\n option("wholeLineUpdateBefore", true);\n\n option("theme", "default", function (cm) {\n themeChanged(cm);\n guttersChanged(cm);\n }, true);\n option("keyMap", "default", function (cm, val, old) {\n var next = getKeyMap(val);\n var prev = old != Init && getKeyMap(old);\n if (prev && prev.detach) { prev.detach(cm, next); }\n if (next.attach) { next.attach(cm, prev || null); }\n });\n option("extraKeys", null);\n option("configureMouse", null);\n\n option("lineWrapping", false, wrappingChanged, true);\n option("gutters", [], function (cm) {\n setGuttersForLineNumbers(cm.options);\n guttersChanged(cm);\n }, true);\n option("fixedGutter", true, function (cm, val) {\n cm.display.gutters.style.left = val ? compensateForHScroll(cm.display) + "px" : "0";\n cm.refresh();\n }, true);\n option("coverGutterNextToScrollbar", false, function (cm) { return updateScrollbars(cm); }, true);\n option("scrollbarStyle", "native", function (cm) {\n initScrollbars(cm);\n updateScrollbars(cm);\n cm.display.scrollbars.setScrollTop(cm.doc.scrollTop);\n cm.display.scrollbars.setScrollLeft(cm.doc.scrollLeft);\n }, true);\n option("lineNumbers", false, function (cm) {\n setGuttersForLineNumbers(cm.options);\n guttersChanged(cm);\n }, true);\n option("firstLineNumber", 1, guttersChanged, true);\n option("lineNumberFormatter", function (integer) { return integer; }, guttersChanged, true);\n option("showCursorWhenSelecting", false, updateSelection, true);\n\n option("resetSelectionOnContextMenu", true);\n option("lineWiseCopyCut", true);\n option("pasteLinesPerSelection", true);\n\n option("readOnly", false, function (cm, val) {\n if (val == "nocursor") {\n onBlur(cm);\n cm.display.input.blur();\n }\n cm.display.input.readOnlyChanged(val);\n });\n option("disableInput", false, function (cm, val) {if (!val) { cm.display.input.reset(); }}, true);\n option("dragDrop", true, dragDropChanged);\n option("allowDropFileTypes", null);\n\n option("cursorBlinkRate", 530);\n option("cursorScrollMargin", 0);\n option("cursorHeight", 1, updateSelection, true);\n option("singleCursorHeightPerLine", true, updateSelection, true);\n option("workTime", 100);\n option("workDelay", 100);\n option("flattenSpans", true, resetModeState, true);\n option("addModeClass", false, resetModeState, true);\n option("pollInterval", 100);\n option("undoDepth", 200, function (cm, val) { return cm.doc.history.undoDepth = val; });\n option("historyEventDelay", 1250);\n option("viewportMargin", 10, function (cm) { return cm.refresh(); }, true);\n option("maxHighlightLength", 10000, resetModeState, true);\n option("moveInputWithCursor", true, function (cm, val) {\n if (!val) { cm.display.input.resetPosition(); }\n });\n\n option("tabindex", null, function (cm, val) { return cm.display.input.getField().tabIndex = val || ""; });\n option("autofocus", null);\n option("direction", "ltr", function (cm, val) { return cm.doc.setDirection(val); }, true);\n}\n\nfunction guttersChanged(cm) {\n updateGutters(cm);\n regChange(cm);\n alignHorizontally(cm);\n}\n\nfunction dragDropChanged(cm, value, old) {\n var wasOn = old && old != Init;\n if (!value != !wasOn) {\n var funcs = cm.display.dragFunctions;\n var toggle = value ? on : off;\n toggle(cm.display.scroller, "dragstart", funcs.start);\n toggle(cm.display.scroller, "dragenter", funcs.enter);\n toggle(cm.display.scroller, "dragover", funcs.over);\n toggle(cm.display.scroller, "dragleave", funcs.leave);\n toggle(cm.display.scroller, "drop", funcs.drop);\n }\n}\n\nfunction wrappingChanged(cm) {\n if (cm.options.lineWrapping) {\n addClass(cm.display.wrapper, "CodeMirror-wrap");\n cm.display.sizer.style.minWidth = "";\n cm.display.sizerWidth = null;\n } else {\n rmClass(cm.display.wrapper, "CodeMirror-wrap");\n findMaxLine(cm);\n }\n estimateLineHeights(cm);\n regChange(cm);\n clearCaches(cm);\n setTimeout(function () { return updateScrollbars(cm); }, 100);\n}\n\n// A CodeMirror instance represents an editor. This is the object\n// that user code is usually dealing with.\n\nfunction CodeMirror$1(place, options) {\n var this$1 = this;\n\n if (!(this instanceof CodeMirror$1)) { return new CodeMirror$1(place, options) }\n\n this.options = options = options ? copyObj(options) : {};\n // Determine effective options based on given values and defaults.\n copyObj(defaults, options, false);\n setGuttersForLineNumbers(options);\n\n var doc = options.value;\n if (typeof doc == "string") { doc = new Doc(doc, options.mode, null, options.lineSeparator, options.direction); }\n this.doc = doc;\n\n var input = new CodeMirror$1.inputStyles[options.inputStyle](this);\n var display = this.display = new Display(place, doc, input);\n display.wrapper.CodeMirror = this;\n updateGutters(this);\n themeChanged(this);\n if (options.lineWrapping)\n { this.display.wrapper.className += " CodeMirror-wrap"; }\n initScrollbars(this);\n\n this.state = {\n keyMaps: [], // stores maps added by addKeyMap\n overlays: [], // highlighting overlays, as added by addOverlay\n modeGen: 0, // bumped when mode/overlay changes, used to invalidate highlighting info\n overwrite: false,\n delayingBlurEvent: false,\n focused: false,\n suppressEdits: false, // used to disable editing during key handlers when in readOnly mode\n pasteIncoming: false, cutIncoming: false, // help recognize paste/cut edits in input.poll\n selectingText: false,\n draggingText: false,\n highlight: new Delayed(), // stores highlight worker timeout\n keySeq: null, // Unfinished key sequence\n specialChars: null\n };\n\n if (options.autofocus && !mobile) { display.input.focus(); }\n\n // Override magic textarea content restore that IE sometimes does\n // on our hidden textarea on reload\n if (ie && ie_version < 11) { setTimeout(function () { return this$1.display.input.reset(true); }, 20); }\n\n registerEventHandlers(this);\n ensureGlobalHandlers();\n\n startOperation(this);\n this.curOp.forceUpdate = true;\n attachDoc(this, doc);\n\n if ((options.autofocus && !mobile) || this.hasFocus())\n { setTimeout(bind(onFocus, this), 20); }\n else\n { onBlur(this); }\n\n for (var opt in optionHandlers) { if (optionHandlers.hasOwnProperty(opt))\n { optionHandlers[opt](this$1, options[opt], Init); } }\n maybeUpdateLineNumberWidth(this);\n if (options.finishInit) { options.finishInit(this); }\n for (var i = 0; i < initHooks.length; ++i) { initHooks[i](this$1); }\n endOperation(this);\n // Suppress optimizelegibility in Webkit, since it breaks text\n // measuring on line wrapping boundaries.\n if (webkit && options.lineWrapping &&\n getComputedStyle(display.lineDiv).textRendering == "optimizelegibility")\n { display.lineDiv.style.textRendering = "auto"; }\n}\n\n// The default configuration options.\nCodeMirror$1.defaults = defaults;\n// Functions to run when options are changed.\nCodeMirror$1.optionHandlers = optionHandlers;\n\n// Attach the necessary event handlers when initializing the editor\nfunction registerEventHandlers(cm) {\n var d = cm.display;\n on(d.scroller, "mousedown", operation(cm, onMouseDown));\n // Older IE\'s will not fire a second mousedown for a double click\n if (ie && ie_version < 11)\n { on(d.scroller, "dblclick", operation(cm, function (e) {\n if (signalDOMEvent(cm, e)) { return }\n var pos = posFromMouse(cm, e);\n if (!pos || clickInGutter(cm, e) || eventInWidget(cm.display, e)) { return }\n e_preventDefault(e);\n var word = cm.findWordAt(pos);\n extendSelection(cm.doc, word.anchor, word.head);\n })); }\n else\n { on(d.scroller, "dblclick", function (e) { return signalDOMEvent(cm, e) || e_preventDefault(e); }); }\n // Some browsers fire contextmenu *after* opening the menu, at\n // which point we can\'t mess with it anymore. Context menu is\n // handled in onMouseDown for these browsers.\n if (!captureRightClick) { on(d.scroller, "contextmenu", function (e) { return onContextMenu(cm, e); }); }\n\n // Used to suppress mouse event handling when a touch happens\n var touchFinished, prevTouch = {end: 0};\n function finishTouch() {\n if (d.activeTouch) {\n touchFinished = setTimeout(function () { return d.activeTouch = null; }, 1000);\n prevTouch = d.activeTouch;\n prevTouch.end = +new Date;\n }\n }\n function isMouseLikeTouchEvent(e) {\n if (e.touches.length != 1) { return false }\n var touch = e.touches[0];\n return touch.radiusX <= 1 && touch.radiusY <= 1\n }\n function farAway(touch, other) {\n if (other.left == null) { return true }\n var dx = other.left - touch.left, dy = other.top - touch.top;\n return dx * dx + dy * dy > 20 * 20\n }\n on(d.scroller, "touchstart", function (e) {\n if (!signalDOMEvent(cm, e) && !isMouseLikeTouchEvent(e) && !clickInGutter(cm, e)) {\n d.input.ensurePolled();\n clearTimeout(touchFinished);\n var now = +new Date;\n d.activeTouch = {start: now, moved: false,\n prev: now - prevTouch.end <= 300 ? prevTouch : null};\n if (e.touches.length == 1) {\n d.activeTouch.left = e.touches[0].pageX;\n d.activeTouch.top = e.touches[0].pageY;\n }\n }\n });\n on(d.scroller, "touchmove", function () {\n if (d.activeTouch) { d.activeTouch.moved = true; }\n });\n on(d.scroller, "touchend", function (e) {\n var touch = d.activeTouch;\n if (touch && !eventInWidget(d, e) && touch.left != null &&\n !touch.moved && new Date - touch.start < 300) {\n var pos = cm.coordsChar(d.activeTouch, "page"), range;\n if (!touch.prev || farAway(touch, touch.prev)) // Single tap\n { range = new Range(pos, pos); }\n else if (!touch.prev.prev || farAway(touch, touch.prev.prev)) // Double tap\n { range = cm.findWordAt(pos); }\n else // Triple tap\n { range = new Range(Pos(pos.line, 0), clipPos(cm.doc, Pos(pos.line + 1, 0))); }\n cm.setSelection(range.anchor, range.head);\n cm.focus();\n e_preventDefault(e);\n }\n finishTouch();\n });\n on(d.scroller, "touchcancel", finishTouch);\n\n // Sync scrolling between fake scrollbars and real scrollable\n // area, ensure viewport is updated when scrolling.\n on(d.scroller, "scroll", function () {\n if (d.scroller.clientHeight) {\n updateScrollTop(cm, d.scroller.scrollTop);\n setScrollLeft(cm, d.scroller.scrollLeft, true);\n signal(cm, "scroll", cm);\n }\n });\n\n // Listen to wheel events in order to try and update the viewport on time.\n on(d.scroller, "mousewheel", function (e) { return onScrollWheel(cm, e); });\n on(d.scroller, "DOMMouseScroll", function (e) { return onScrollWheel(cm, e); });\n\n // Prevent wrapper from ever scrolling\n on(d.wrapper, "scroll", function () { return d.wrapper.scrollTop = d.wrapper.scrollLeft = 0; });\n\n d.dragFunctions = {\n enter: function (e) {if (!signalDOMEvent(cm, e)) { e_stop(e); }},\n over: function (e) {if (!signalDOMEvent(cm, e)) { onDragOver(cm, e); e_stop(e); }},\n start: function (e) { return onDragStart(cm, e); },\n drop: operation(cm, onDrop),\n leave: function (e) {if (!signalDOMEvent(cm, e)) { clearDragCursor(cm); }}\n };\n\n var inp = d.input.getField();\n on(inp, "keyup", function (e) { return onKeyUp.call(cm, e); });\n on(inp, "keydown", operation(cm, onKeyDown));\n on(inp, "keypress", operation(cm, onKeyPress));\n on(inp, "focus", function (e) { return onFocus(cm, e); });\n on(inp, "blur", function (e) { return onBlur(cm, e); });\n}\n\nvar initHooks = [];\nCodeMirror$1.defineInitHook = function (f) { return initHooks.push(f); };\n\n// Indent the given line. The how parameter can be "smart",\n// "add"/null, "subtract", or "prev". When aggressive is false\n// (typically set to true for forced single-line indents), empty\n// lines are not indented, and places where the mode returns Pass\n// are left alone.\nfunction indentLine(cm, n, how, aggressive) {\n var doc = cm.doc, state;\n if (how == null) { how = "add"; }\n if (how == "smart") {\n // Fall back to "prev" when the mode doesn\'t have an indentation\n // method.\n if (!doc.mode.indent) { how = "prev"; }\n else { state = getContextBefore(cm, n).state; }\n }\n\n var tabSize = cm.options.tabSize;\n var line = getLine(doc, n), curSpace = countColumn(line.text, null, tabSize);\n if (line.stateAfter) { line.stateAfter = null; }\n var curSpaceString = line.text.match(/^\\s*/)[0], indentation;\n if (!aggressive && !/\\S/.test(line.text)) {\n indentation = 0;\n how = "not";\n } else if (how == "smart") {\n indentation = doc.mode.indent(state, line.text.slice(curSpaceString.length), line.text);\n if (indentation == Pass || indentation > 150) {\n if (!aggressive) { return }\n how = "prev";\n }\n }\n if (how == "prev") {\n if (n > doc.first) { indentation = countColumn(getLine(doc, n-1).text, null, tabSize); }\n else { indentation = 0; }\n } else if (how == "add") {\n indentation = curSpace + cm.options.indentUnit;\n } else if (how == "subtract") {\n indentation = curSpace - cm.options.indentUnit;\n } else if (typeof how == "number") {\n indentation = curSpace + how;\n }\n indentation = Math.max(0, indentation);\n\n var indentString = "", pos = 0;\n if (cm.options.indentWithTabs)\n { for (var i = Math.floor(indentation / tabSize); i; --i) {pos += tabSize; indentString += "\\t";} }\n if (pos < indentation) { indentString += spaceStr(indentation - pos); }\n\n if (indentString != curSpaceString) {\n replaceRange(doc, indentString, Pos(n, 0), Pos(n, curSpaceString.length), "+input");\n line.stateAfter = null;\n return true\n } else {\n // Ensure that, if the cursor was in the whitespace at the start\n // of the line, it is moved to the end of that space.\n for (var i$1 = 0; i$1 < doc.sel.ranges.length; i$1++) {\n var range = doc.sel.ranges[i$1];\n if (range.head.line == n && range.head.ch < curSpaceString.length) {\n var pos$1 = Pos(n, curSpaceString.length);\n replaceOneSelection(doc, i$1, new Range(pos$1, pos$1));\n break\n }\n }\n }\n}\n\n// This will be set to a {lineWise: bool, text: [string]} object, so\n// that, when pasting, we know what kind of selections the copied\n// text was made out of.\nvar lastCopied = null;\n\nfunction setLastCopied(newLastCopied) {\n lastCopied = newLastCopied;\n}\n\nfunction applyTextInput(cm, inserted, deleted, sel, origin) {\n var doc = cm.doc;\n cm.display.shift = false;\n if (!sel) { sel = doc.sel; }\n\n var paste = cm.state.pasteIncoming || origin == "paste";\n var textLines = splitLinesAuto(inserted), multiPaste = null;\n // When pasing N lines into N selections, insert one line per selection\n if (paste && sel.ranges.length > 1) {\n if (lastCopied && lastCopied.text.join("\\n") == inserted) {\n if (sel.ranges.length % lastCopied.text.length == 0) {\n multiPaste = [];\n for (var i = 0; i < lastCopied.text.length; i++)\n { multiPaste.push(doc.splitLines(lastCopied.text[i])); }\n }\n } else if (textLines.length == sel.ranges.length && cm.options.pasteLinesPerSelection) {\n multiPaste = map(textLines, function (l) { return [l]; });\n }\n }\n\n var updateInput;\n // Normal behavior is to insert the new text into every selection\n for (var i$1 = sel.ranges.length - 1; i$1 >= 0; i$1--) {\n var range$$1 = sel.ranges[i$1];\n var from = range$$1.from(), to = range$$1.to();\n if (range$$1.empty()) {\n if (deleted && deleted > 0) // Handle deletion\n { from = Pos(from.line, from.ch - deleted); }\n else if (cm.state.overwrite && !paste) // Handle overwrite\n { to = Pos(to.line, Math.min(getLine(doc, to.line).text.length, to.ch + lst(textLines).length)); }\n else if (lastCopied && lastCopied.lineWise && lastCopied.text.join("\\n") == inserted)\n { from = to = Pos(from.line, 0); }\n }\n updateInput = cm.curOp.updateInput;\n var changeEvent = {from: from, to: to, text: multiPaste ? multiPaste[i$1 % multiPaste.length] : textLines,\n origin: origin || (paste ? "paste" : cm.state.cutIncoming ? "cut" : "+input")};\n makeChange(cm.doc, changeEvent);\n signalLater(cm, "inputRead", cm, changeEvent);\n }\n if (inserted && !paste)\n { triggerElectric(cm, inserted); }\n\n ensureCursorVisible(cm);\n cm.curOp.updateInput = updateInput;\n cm.curOp.typing = true;\n cm.state.pasteIncoming = cm.state.cutIncoming = false;\n}\n\nfunction handlePaste(e, cm) {\n var pasted = e.clipboardData && e.clipboardData.getData("Text");\n if (pasted) {\n e.preventDefault();\n if (!cm.isReadOnly() && !cm.options.disableInput)\n { runInOp(cm, function () { return applyTextInput(cm, pasted, 0, null, "paste"); }); }\n return true\n }\n}\n\nfunction triggerElectric(cm, inserted) {\n // When an \'electric\' character is inserted, immediately trigger a reindent\n if (!cm.options.electricChars || !cm.options.smartIndent) { return }\n var sel = cm.doc.sel;\n\n for (var i = sel.ranges.length - 1; i >= 0; i--) {\n var range$$1 = sel.ranges[i];\n if (range$$1.head.ch > 100 || (i && sel.ranges[i - 1].head.line == range$$1.head.line)) { continue }\n var mode = cm.getModeAt(range$$1.head);\n var indented = false;\n if (mode.electricChars) {\n for (var j = 0; j < mode.electricChars.length; j++)\n { if (inserted.indexOf(mode.electricChars.charAt(j)) > -1) {\n indented = indentLine(cm, range$$1.head.line, "smart");\n break\n } }\n } else if (mode.electricInput) {\n if (mode.electricInput.test(getLine(cm.doc, range$$1.head.line).text.slice(0, range$$1.head.ch)))\n { indented = indentLine(cm, range$$1.head.line, "smart"); }\n }\n if (indented) { signalLater(cm, "electricInput", cm, range$$1.head.line); }\n }\n}\n\nfunction copyableRanges(cm) {\n var text = [], ranges = [];\n for (var i = 0; i < cm.doc.sel.ranges.length; i++) {\n var line = cm.doc.sel.ranges[i].head.line;\n var lineRange = {anchor: Pos(line, 0), head: Pos(line + 1, 0)};\n ranges.push(lineRange);\n text.push(cm.getRange(lineRange.anchor, lineRange.head));\n }\n return {text: text, ranges: ranges}\n}\n\nfunction disableBrowserMagic(field, spellcheck) {\n field.setAttribute("autocorrect", "off");\n field.setAttribute("autocapitalize", "off");\n field.setAttribute("spellcheck", !!spellcheck);\n}\n\nfunction hiddenTextarea() {\n var te = elt("textarea", null, null, "position: absolute; bottom: -1em; padding: 0; width: 1px; height: 1em; outline: none");\n var div = elt("div", [te], null, "overflow: hidden; position: relative; width: 3px; height: 0px;");\n // The textarea is kept positioned near the cursor to prevent the\n // fact that it\'ll be scrolled into view on input from scrolling\n // our fake cursor out of view. On webkit, when wrap=off, paste is\n // very slow. So make the area wide instead.\n if (webkit) { te.style.width = "1000px"; }\n else { te.setAttribute("wrap", "off"); }\n // If border: 0; -- iOS fails to open keyboard (issue #1287)\n if (ios) { te.style.border = "1px solid black"; }\n disableBrowserMagic(te);\n return div\n}\n\n// The publicly visible API. Note that methodOp(f) means\n// \'wrap f in an operation, performed on its `this` parameter\'.\n\n// This is not the complete set of editor methods. Most of the\n// methods defined on the Doc type are also injected into\n// CodeMirror.prototype, for backwards compatibility and\n// convenience.\n\nvar addEditorMethods = function(CodeMirror) {\n var optionHandlers = CodeMirror.optionHandlers;\n\n var helpers = CodeMirror.helpers = {};\n\n CodeMirror.prototype = {\n constructor: CodeMirror,\n focus: function(){window.focus(); this.display.input.focus();},\n\n setOption: function(option, value) {\n var options = this.options, old = options[option];\n if (options[option] == value && option != "mode") { return }\n options[option] = value;\n if (optionHandlers.hasOwnProperty(option))\n { operation(this, optionHandlers[option])(this, value, old); }\n signal(this, "optionChange", this, option);\n },\n\n getOption: function(option) {return this.options[option]},\n getDoc: function() {return this.doc},\n\n addKeyMap: function(map$$1, bottom) {\n this.state.keyMaps[bottom ? "push" : "unshift"](getKeyMap(map$$1));\n },\n removeKeyMap: function(map$$1) {\n var maps = this.state.keyMaps;\n for (var i = 0; i < maps.length; ++i)\n { if (maps[i] == map$$1 || maps[i].name == map$$1) {\n maps.splice(i, 1);\n return true\n } }\n },\n\n addOverlay: methodOp(function(spec, options) {\n var mode = spec.token ? spec : CodeMirror.getMode(this.options, spec);\n if (mode.startState) { throw new Error("Overlays may not be stateful.") }\n insertSorted(this.state.overlays,\n {mode: mode, modeSpec: spec, opaque: options && options.opaque,\n priority: (options && options.priority) || 0},\n function (overlay) { return overlay.priority; });\n this.state.modeGen++;\n regChange(this);\n }),\n removeOverlay: methodOp(function(spec) {\n var this$1 = this;\n\n var overlays = this.state.overlays;\n for (var i = 0; i < overlays.length; ++i) {\n var cur = overlays[i].modeSpec;\n if (cur == spec || typeof spec == "string" && cur.name == spec) {\n overlays.splice(i, 1);\n this$1.state.modeGen++;\n regChange(this$1);\n return\n }\n }\n }),\n\n indentLine: methodOp(function(n, dir, aggressive) {\n if (typeof dir != "string" && typeof dir != "number") {\n if (dir == null) { dir = this.options.smartIndent ? "smart" : "prev"; }\n else { dir = dir ? "add" : "subtract"; }\n }\n if (isLine(this.doc, n)) { indentLine(this, n, dir, aggressive); }\n }),\n indentSelection: methodOp(function(how) {\n var this$1 = this;\n\n var ranges = this.doc.sel.ranges, end = -1;\n for (var i = 0; i < ranges.length; i++) {\n var range$$1 = ranges[i];\n if (!range$$1.empty()) {\n var from = range$$1.from(), to = range$$1.to();\n var start = Math.max(end, from.line);\n end = Math.min(this$1.lastLine(), to.line - (to.ch ? 0 : 1)) + 1;\n for (var j = start; j < end; ++j)\n { indentLine(this$1, j, how); }\n var newRanges = this$1.doc.sel.ranges;\n if (from.ch == 0 && ranges.length == newRanges.length && newRanges[i].from().ch > 0)\n { replaceOneSelection(this$1.doc, i, new Range(from, newRanges[i].to()), sel_dontScroll); }\n } else if (range$$1.head.line > end) {\n indentLine(this$1, range$$1.head.line, how, true);\n end = range$$1.head.line;\n if (i == this$1.doc.sel.primIndex) { ensureCursorVisible(this$1); }\n }\n }\n }),\n\n // Fetch the parser token for a given character. Useful for hacks\n // that want to inspect the mode state (say, for completion).\n getTokenAt: function(pos, precise) {\n return takeToken(this, pos, precise)\n },\n\n getLineTokens: function(line, precise) {\n return takeToken(this, Pos(line), precise, true)\n },\n\n getTokenTypeAt: function(pos) {\n pos = clipPos(this.doc, pos);\n var styles = getLineStyles(this, getLine(this.doc, pos.line));\n var before = 0, after = (styles.length - 1) / 2, ch = pos.ch;\n var type;\n if (ch == 0) { type = styles[2]; }\n else { for (;;) {\n var mid = (before + after) >> 1;\n if ((mid ? styles[mid * 2 - 1] : 0) >= ch) { after = mid; }\n else if (styles[mid * 2 + 1] < ch) { before = mid + 1; }\n else { type = styles[mid * 2 + 2]; break }\n } }\n var cut = type ? type.indexOf("overlay ") : -1;\n return cut < 0 ? type : cut == 0 ? null : type.slice(0, cut - 1)\n },\n\n getModeAt: function(pos) {\n var mode = this.doc.mode;\n if (!mode.innerMode) { return mode }\n return CodeMirror.innerMode(mode, this.getTokenAt(pos).state).mode\n },\n\n getHelper: function(pos, type) {\n return this.getHelpers(pos, type)[0]\n },\n\n getHelpers: function(pos, type) {\n var this$1 = this;\n\n var found = [];\n if (!helpers.hasOwnProperty(type)) { return found }\n var help = helpers[type], mode = this.getModeAt(pos);\n if (typeof mode[type] == "string") {\n if (help[mode[type]]) { found.push(help[mode[type]]); }\n } else if (mode[type]) {\n for (var i = 0; i < mode[type].length; i++) {\n var val = help[mode[type][i]];\n if (val) { found.push(val); }\n }\n } else if (mode.helperType && help[mode.helperType]) {\n found.push(help[mode.helperType]);\n } else if (help[mode.name]) {\n found.push(help[mode.name]);\n }\n for (var i$1 = 0; i$1 < help._global.length; i$1++) {\n var cur = help._global[i$1];\n if (cur.pred(mode, this$1) && indexOf(found, cur.val) == -1)\n { found.push(cur.val); }\n }\n return found\n },\n\n getStateAfter: function(line, precise) {\n var doc = this.doc;\n line = clipLine(doc, line == null ? doc.first + doc.size - 1: line);\n return getContextBefore(this, line + 1, precise).state\n },\n\n cursorCoords: function(start, mode) {\n var pos, range$$1 = this.doc.sel.primary();\n if (start == null) { pos = range$$1.head; }\n else if (typeof start == "object") { pos = clipPos(this.doc, start); }\n else { pos = start ? range$$1.from() : range$$1.to(); }\n return cursorCoords(this, pos, mode || "page")\n },\n\n charCoords: function(pos, mode) {\n return charCoords(this, clipPos(this.doc, pos), mode || "page")\n },\n\n coordsChar: function(coords, mode) {\n coords = fromCoordSystem(this, coords, mode || "page");\n return coordsChar(this, coords.left, coords.top)\n },\n\n lineAtHeight: function(height, mode) {\n height = fromCoordSystem(this, {top: height, left: 0}, mode || "page").top;\n return lineAtHeight(this.doc, height + this.display.viewOffset)\n },\n heightAtLine: function(line, mode, includeWidgets) {\n var end = false, lineObj;\n if (typeof line == "number") {\n var last = this.doc.first + this.doc.size - 1;\n if (line < this.doc.first) { line = this.doc.first; }\n else if (line > last) { line = last; end = true; }\n lineObj = getLine(this.doc, line);\n } else {\n lineObj = line;\n }\n return intoCoordSystem(this, lineObj, {top: 0, left: 0}, mode || "page", includeWidgets || end).top +\n (end ? this.doc.height - heightAtLine(lineObj) : 0)\n },\n\n defaultTextHeight: function() { return textHeight(this.display) },\n defaultCharWidth: function() { return charWidth(this.display) },\n\n getViewport: function() { return {from: this.display.viewFrom, to: this.display.viewTo}},\n\n addWidget: function(pos, node, scroll, vert, horiz) {\n var display = this.display;\n pos = cursorCoords(this, clipPos(this.doc, pos));\n var top = pos.bottom, left = pos.left;\n node.style.position = "absolute";\n node.setAttribute("cm-ignore-events", "true");\n this.display.input.setUneditable(node);\n display.sizer.appendChild(node);\n if (vert == "over") {\n top = pos.top;\n } else if (vert == "above" || vert == "near") {\n var vspace = Math.max(display.wrapper.clientHeight, this.doc.height),\n hspace = Math.max(display.sizer.clientWidth, display.lineSpace.clientWidth);\n // Default to positioning above (if specified and possible); otherwise default to positioning below\n if ((vert == \'above\' || pos.bottom + node.offsetHeight > vspace) && pos.top > node.offsetHeight)\n { top = pos.top - node.offsetHeight; }\n else if (pos.bottom + node.offsetHeight <= vspace)\n { top = pos.bottom; }\n if (left + node.offsetWidth > hspace)\n { left = hspace - node.offsetWidth; }\n }\n node.style.top = top + "px";\n node.style.left = node.style.right = "";\n if (horiz == "right") {\n left = display.sizer.clientWidth - node.offsetWidth;\n node.style.right = "0px";\n } else {\n if (horiz == "left") { left = 0; }\n else if (horiz == "middle") { left = (display.sizer.clientWidth - node.offsetWidth) / 2; }\n node.style.left = left + "px";\n }\n if (scroll)\n { scrollIntoView(this, {left: left, top: top, right: left + node.offsetWidth, bottom: top + node.offsetHeight}); }\n },\n\n triggerOnKeyDown: methodOp(onKeyDown),\n triggerOnKeyPress: methodOp(onKeyPress),\n triggerOnKeyUp: onKeyUp,\n triggerOnMouseDown: methodOp(onMouseDown),\n\n execCommand: function(cmd) {\n if (commands.hasOwnProperty(cmd))\n { return commands[cmd].call(null, this) }\n },\n\n triggerElectric: methodOp(function(text) { triggerElectric(this, text); }),\n\n findPosH: function(from, amount, unit, visually) {\n var this$1 = this;\n\n var dir = 1;\n if (amount < 0) { dir = -1; amount = -amount; }\n var cur = clipPos(this.doc, from);\n for (var i = 0; i < amount; ++i) {\n cur = findPosH(this$1.doc, cur, dir, unit, visually);\n if (cur.hitSide) { break }\n }\n return cur\n },\n\n moveH: methodOp(function(dir, unit) {\n var this$1 = this;\n\n this.extendSelectionsBy(function (range$$1) {\n if (this$1.display.shift || this$1.doc.extend || range$$1.empty())\n { return findPosH(this$1.doc, range$$1.head, dir, unit, this$1.options.rtlMoveVisually) }\n else\n { return dir < 0 ? range$$1.from() : range$$1.to() }\n }, sel_move);\n }),\n\n deleteH: methodOp(function(dir, unit) {\n var sel = this.doc.sel, doc = this.doc;\n if (sel.somethingSelected())\n { doc.replaceSelection("", null, "+delete"); }\n else\n { deleteNearSelection(this, function (range$$1) {\n var other = findPosH(doc, range$$1.head, dir, unit, false);\n return dir < 0 ? {from: other, to: range$$1.head} : {from: range$$1.head, to: other}\n }); }\n }),\n\n findPosV: function(from, amount, unit, goalColumn) {\n var this$1 = this;\n\n var dir = 1, x = goalColumn;\n if (amount < 0) { dir = -1; amount = -amount; }\n var cur = clipPos(this.doc, from);\n for (var i = 0; i < amount; ++i) {\n var coords = cursorCoords(this$1, cur, "div");\n if (x == null) { x = coords.left; }\n else { coords.left = x; }\n cur = findPosV(this$1, coords, dir, unit);\n if (cur.hitSide) { break }\n }\n return cur\n },\n\n moveV: methodOp(function(dir, unit) {\n var this$1 = this;\n\n var doc = this.doc, goals = [];\n var collapse = !this.display.shift && !doc.extend && doc.sel.somethingSelected();\n doc.extendSelectionsBy(function (range$$1) {\n if (collapse)\n { return dir < 0 ? range$$1.from() : range$$1.to() }\n var headPos = cursorCoords(this$1, range$$1.head, "div");\n if (range$$1.goalColumn != null) { headPos.left = range$$1.goalColumn; }\n goals.push(headPos.left);\n var pos = findPosV(this$1, headPos, dir, unit);\n if (unit == "page" && range$$1 == doc.sel.primary())\n { addToScrollTop(this$1, charCoords(this$1, pos, "div").top - headPos.top); }\n return pos\n }, sel_move);\n if (goals.length) { for (var i = 0; i < doc.sel.ranges.length; i++)\n { doc.sel.ranges[i].goalColumn = goals[i]; } }\n }),\n\n // Find the word at the given position (as returned by coordsChar).\n findWordAt: function(pos) {\n var doc = this.doc, line = getLine(doc, pos.line).text;\n var start = pos.ch, end = pos.ch;\n if (line) {\n var helper = this.getHelper(pos, "wordChars");\n if ((pos.sticky == "before" || end == line.length) && start) { --start; } else { ++end; }\n var startChar = line.charAt(start);\n var check = isWordChar(startChar, helper)\n ? function (ch) { return isWordChar(ch, helper); }\n : /\\s/.test(startChar) ? function (ch) { return /\\s/.test(ch); }\n : function (ch) { return (!/\\s/.test(ch) && !isWordChar(ch)); };\n while (start > 0 && check(line.charAt(start - 1))) { --start; }\n while (end < line.length && check(line.charAt(end))) { ++end; }\n }\n return new Range(Pos(pos.line, start), Pos(pos.line, end))\n },\n\n toggleOverwrite: function(value) {\n if (value != null && value == this.state.overwrite) { return }\n if (this.state.overwrite = !this.state.overwrite)\n { addClass(this.display.cursorDiv, "CodeMirror-overwrite"); }\n else\n { rmClass(this.display.cursorDiv, "CodeMirror-overwrite"); }\n\n signal(this, "overwriteToggle", this, this.state.overwrite);\n },\n hasFocus: function() { return this.display.input.getField() == activeElt() },\n isReadOnly: function() { return !!(this.options.readOnly || this.doc.cantEdit) },\n\n scrollTo: methodOp(function (x, y) { scrollToCoords(this, x, y); }),\n getScrollInfo: function() {\n var scroller = this.display.scroller;\n return {left: scroller.scrollLeft, top: scroller.scrollTop,\n height: scroller.scrollHeight - scrollGap(this) - this.display.barHeight,\n width: scroller.scrollWidth - scrollGap(this) - this.display.barWidth,\n clientHeight: displayHeight(this), clientWidth: displayWidth(this)}\n },\n\n scrollIntoView: methodOp(function(range$$1, margin) {\n if (range$$1 == null) {\n range$$1 = {from: this.doc.sel.primary().head, to: null};\n if (margin == null) { margin = this.options.cursorScrollMargin; }\n } else if (typeof range$$1 == "number") {\n range$$1 = {from: Pos(range$$1, 0), to: null};\n } else if (range$$1.from == null) {\n range$$1 = {from: range$$1, to: null};\n }\n if (!range$$1.to) { range$$1.to = range$$1.from; }\n range$$1.margin = margin || 0;\n\n if (range$$1.from.line != null) {\n scrollToRange(this, range$$1);\n } else {\n scrollToCoordsRange(this, range$$1.from, range$$1.to, range$$1.margin);\n }\n }),\n\n setSize: methodOp(function(width, height) {\n var this$1 = this;\n\n var interpret = function (val) { return typeof val == "number" || /^\\d+$/.test(String(val)) ? val + "px" : val; };\n if (width != null) { this.display.wrapper.style.width = interpret(width); }\n if (height != null) { this.display.wrapper.style.height = interpret(height); }\n if (this.options.lineWrapping) { clearLineMeasurementCache(this); }\n var lineNo$$1 = this.display.viewFrom;\n this.doc.iter(lineNo$$1, this.display.viewTo, function (line) {\n if (line.widgets) { for (var i = 0; i < line.widgets.length; i++)\n { if (line.widgets[i].noHScroll) { regLineChange(this$1, lineNo$$1, "widget"); break } } }\n ++lineNo$$1;\n });\n this.curOp.forceUpdate = true;\n signal(this, "refresh", this);\n }),\n\n operation: function(f){return runInOp(this, f)},\n startOperation: function(){return startOperation(this)},\n endOperation: function(){return endOperation(this)},\n\n refresh: methodOp(function() {\n var oldHeight = this.display.cachedTextHeight;\n regChange(this);\n this.curOp.forceUpdate = true;\n clearCaches(this);\n scrollToCoords(this, this.doc.scrollLeft, this.doc.scrollTop);\n updateGutterSpace(this);\n if (oldHeight == null || Math.abs(oldHeight - textHeight(this.display)) > .5)\n { estimateLineHeights(this); }\n signal(this, "refresh", this);\n }),\n\n swapDoc: methodOp(function(doc) {\n var old = this.doc;\n old.cm = null;\n attachDoc(this, doc);\n clearCaches(this);\n this.display.input.reset();\n scrollToCoords(this, doc.scrollLeft, doc.scrollTop);\n this.curOp.forceScroll = true;\n signalLater(this, "swapDoc", this, old);\n return old\n }),\n\n getInputField: function(){return this.display.input.getField()},\n getWrapperElement: function(){return this.display.wrapper},\n getScrollerElement: function(){return this.display.scroller},\n getGutterElement: function(){return this.display.gutters}\n };\n eventMixin(CodeMirror);\n\n CodeMirror.registerHelper = function(type, name, value) {\n if (!helpers.hasOwnProperty(type)) { helpers[type] = CodeMirror[type] = {_global: []}; }\n helpers[type][name] = value;\n };\n CodeMirror.registerGlobalHelper = function(type, name, predicate, value) {\n CodeMirror.registerHelper(type, name, value);\n helpers[type]._global.push({pred: predicate, val: value});\n };\n};\n\n// Used for horizontal relative motion. Dir is -1 or 1 (left or\n// right), unit can be "char", "column" (like char, but doesn\'t\n// cross line boundaries), "word" (across next word), or "group" (to\n// the start of next group of word or non-word-non-whitespace\n// chars). The visually param controls whether, in right-to-left\n// text, direction 1 means to move towards the next index in the\n// string, or towards the character to the right of the current\n// position. The resulting position will have a hitSide=true\n// property if it reached the end of the document.\nfunction findPosH(doc, pos, dir, unit, visually) {\n var oldPos = pos;\n var origDir = dir;\n var lineObj = getLine(doc, pos.line);\n function findNextLine() {\n var l = pos.line + dir;\n if (l < doc.first || l >= doc.first + doc.size) { return false }\n pos = new Pos(l, pos.ch, pos.sticky);\n return lineObj = getLine(doc, l)\n }\n function moveOnce(boundToLine) {\n var next;\n if (visually) {\n next = moveVisually(doc.cm, lineObj, pos, dir);\n } else {\n next = moveLogically(lineObj, pos, dir);\n }\n if (next == null) {\n if (!boundToLine && findNextLine())\n { pos = endOfLine(visually, doc.cm, lineObj, pos.line, dir); }\n else\n { return false }\n } else {\n pos = next;\n }\n return true\n }\n\n if (unit == "char") {\n moveOnce();\n } else if (unit == "column") {\n moveOnce(true);\n } else if (unit == "word" || unit == "group") {\n var sawType = null, group = unit == "group";\n var helper = doc.cm && doc.cm.getHelper(pos, "wordChars");\n for (var first = true;; first = false) {\n if (dir < 0 && !moveOnce(!first)) { break }\n var cur = lineObj.text.charAt(pos.ch) || "\\n";\n var type = isWordChar(cur, helper) ? "w"\n : group && cur == "\\n" ? "n"\n : !group || /\\s/.test(cur) ? null\n : "p";\n if (group && !first && !type) { type = "s"; }\n if (sawType && sawType != type) {\n if (dir < 0) {dir = 1; moveOnce(); pos.sticky = "after";}\n break\n }\n\n if (type) { sawType = type; }\n if (dir > 0 && !moveOnce(!first)) { break }\n }\n }\n var result = skipAtomic(doc, pos, oldPos, origDir, true);\n if (equalCursorPos(oldPos, result)) { result.hitSide = true; }\n return result\n}\n\n// For relative vertical movement. Dir may be -1 or 1. Unit can be\n// "page" or "line". The resulting position will have a hitSide=true\n// property if it reached the end of the document.\nfunction findPosV(cm, pos, dir, unit) {\n var doc = cm.doc, x = pos.left, y;\n if (unit == "page") {\n var pageSize = Math.min(cm.display.wrapper.clientHeight, window.innerHeight || document.documentElement.clientHeight);\n var moveAmount = Math.max(pageSize - .5 * textHeight(cm.display), 3);\n y = (dir > 0 ? pos.bottom : pos.top) + dir * moveAmount;\n\n } else if (unit == "line") {\n y = dir > 0 ? pos.bottom + 3 : pos.top - 3;\n }\n var target;\n for (;;) {\n target = coordsChar(cm, x, y);\n if (!target.outside) { break }\n if (dir < 0 ? y <= 0 : y >= doc.height) { target.hitSide = true; break }\n y += dir * 5;\n }\n return target\n}\n\n// CONTENTEDITABLE INPUT STYLE\n\nvar ContentEditableInput = function(cm) {\n this.cm = cm;\n this.lastAnchorNode = this.lastAnchorOffset = this.lastFocusNode = this.lastFocusOffset = null;\n this.polling = new Delayed();\n this.composing = null;\n this.gracePeriod = false;\n this.readDOMTimeout = null;\n};\n\nContentEditableInput.prototype.init = function (display) {\n var this$1 = this;\n\n var input = this, cm = input.cm;\n var div = input.div = display.lineDiv;\n disableBrowserMagic(div, cm.options.spellcheck);\n\n on(div, "paste", function (e) {\n if (signalDOMEvent(cm, e) || handlePaste(e, cm)) { return }\n // IE doesn\'t fire input events, so we schedule a read for the pasted content in this way\n if (ie_version <= 11) { setTimeout(operation(cm, function () { return this$1.updateFromDOM(); }), 20); }\n });\n\n on(div, "compositionstart", function (e) {\n this$1.composing = {data: e.data, done: false};\n });\n on(div, "compositionupdate", function (e) {\n if (!this$1.composing) { this$1.composing = {data: e.data, done: false}; }\n });\n on(div, "compositionend", function (e) {\n if (this$1.composing) {\n if (e.data != this$1.composing.data) { this$1.readFromDOMSoon(); }\n this$1.composing.done = true;\n }\n });\n\n on(div, "touchstart", function () { return input.forceCompositionEnd(); });\n\n on(div, "input", function () {\n if (!this$1.composing) { this$1.readFromDOMSoon(); }\n });\n\n function onCopyCut(e) {\n if (signalDOMEvent(cm, e)) { return }\n if (cm.somethingSelected()) {\n setLastCopied({lineWise: false, text: cm.getSelections()});\n if (e.type == "cut") { cm.replaceSelection("", null, "cut"); }\n } else if (!cm.options.lineWiseCopyCut) {\n return\n } else {\n var ranges = copyableRanges(cm);\n setLastCopied({lineWise: true, text: ranges.text});\n if (e.type == "cut") {\n cm.operation(function () {\n cm.setSelections(ranges.ranges, 0, sel_dontScroll);\n cm.replaceSelection("", null, "cut");\n });\n }\n }\n if (e.clipboardData) {\n e.clipboardData.clearData();\n var content = lastCopied.text.join("\\n");\n // iOS exposes the clipboard API, but seems to discard content inserted into it\n e.clipboardData.setData("Text", content);\n if (e.clipboardData.getData("Text") == content) {\n e.preventDefault();\n return\n }\n }\n // Old-fashioned briefly-focus-a-textarea hack\n var kludge = hiddenTextarea(), te = kludge.firstChild;\n cm.display.lineSpace.insertBefore(kludge, cm.display.lineSpace.firstChild);\n te.value = lastCopied.text.join("\\n");\n var hadFocus = document.activeElement;\n selectInput(te);\n setTimeout(function () {\n cm.display.lineSpace.removeChild(kludge);\n hadFocus.focus();\n if (hadFocus == div) { input.showPrimarySelection(); }\n }, 50);\n }\n on(div, "copy", onCopyCut);\n on(div, "cut", onCopyCut);\n};\n\nContentEditableInput.prototype.prepareSelection = function () {\n var result = prepareSelection(this.cm, false);\n result.focus = this.cm.state.focused;\n return result\n};\n\nContentEditableInput.prototype.showSelection = function (info, takeFocus) {\n if (!info || !this.cm.display.view.length) { return }\n if (info.focus || takeFocus) { this.showPrimarySelection(); }\n this.showMultipleSelections(info);\n};\n\nContentEditableInput.prototype.showPrimarySelection = function () {\n var sel = window.getSelection(), cm = this.cm, prim = cm.doc.sel.primary();\n var from = prim.from(), to = prim.to();\n\n if (cm.display.viewTo == cm.display.viewFrom || from.line >= cm.display.viewTo || to.line < cm.display.viewFrom) {\n sel.removeAllRanges();\n return\n }\n\n var curAnchor = domToPos(cm, sel.anchorNode, sel.anchorOffset);\n var curFocus = domToPos(cm, sel.focusNode, sel.focusOffset);\n if (curAnchor && !curAnchor.bad && curFocus && !curFocus.bad &&\n cmp(minPos(curAnchor, curFocus), from) == 0 &&\n cmp(maxPos(curAnchor, curFocus), to) == 0)\n { return }\n\n var view = cm.display.view;\n var start = (from.line >= cm.display.viewFrom && posToDOM(cm, from)) ||\n {node: view[0].measure.map[2], offset: 0};\n var end = to.line < cm.display.viewTo && posToDOM(cm, to);\n if (!end) {\n var measure = view[view.length - 1].measure;\n var map$$1 = measure.maps ? measure.maps[measure.maps.length - 1] : measure.map;\n end = {node: map$$1[map$$1.length - 1], offset: map$$1[map$$1.length - 2] - map$$1[map$$1.length - 3]};\n }\n\n if (!start || !end) {\n sel.removeAllRanges();\n return\n }\n\n var old = sel.rangeCount && sel.getRangeAt(0), rng;\n try { rng = range(start.node, start.offset, end.offset, end.node); }\n catch(e) {} // Our model of the DOM might be outdated, in which case the range we try to set can be impossible\n if (rng) {\n if (!gecko && cm.state.focused) {\n sel.collapse(start.node, start.offset);\n if (!rng.collapsed) {\n sel.removeAllRanges();\n sel.addRange(rng);\n }\n } else {\n sel.removeAllRanges();\n sel.addRange(rng);\n }\n if (old && sel.anchorNode == null) { sel.addRange(old); }\n else if (gecko) { this.startGracePeriod(); }\n }\n this.rememberSelection();\n};\n\nContentEditableInput.prototype.startGracePeriod = function () {\n var this$1 = this;\n\n clearTimeout(this.gracePeriod);\n this.gracePeriod = setTimeout(function () {\n this$1.gracePeriod = false;\n if (this$1.selectionChanged())\n { this$1.cm.operation(function () { return this$1.cm.curOp.selectionChanged = true; }); }\n }, 20);\n};\n\nContentEditableInput.prototype.showMultipleSelections = function (info) {\n removeChildrenAndAdd(this.cm.display.cursorDiv, info.cursors);\n removeChildrenAndAdd(this.cm.display.selectionDiv, info.selection);\n};\n\nContentEditableInput.prototype.rememberSelection = function () {\n var sel = window.getSelection();\n this.lastAnchorNode = sel.anchorNode; this.lastAnchorOffset = sel.anchorOffset;\n this.lastFocusNode = sel.focusNode; this.lastFocusOffset = sel.focusOffset;\n};\n\nContentEditableInput.prototype.selectionInEditor = function () {\n var sel = window.getSelection();\n if (!sel.rangeCount) { return false }\n var node = sel.getRangeAt(0).commonAncestorContainer;\n return contains(this.div, node)\n};\n\nContentEditableInput.prototype.focus = function () {\n if (this.cm.options.readOnly != "nocursor") {\n if (!this.selectionInEditor())\n { this.showSelection(this.prepareSelection(), true); }\n this.div.focus();\n }\n};\nContentEditableInput.prototype.blur = function () { this.div.blur(); };\nContentEditableInput.prototype.getField = function () { return this.div };\n\nContentEditableInput.prototype.supportsTouch = function () { return true };\n\nContentEditableInput.prototype.receivedFocus = function () {\n var input = this;\n if (this.selectionInEditor())\n { this.pollSelection(); }\n else\n { runInOp(this.cm, function () { return input.cm.curOp.selectionChanged = true; }); }\n\n function poll() {\n if (input.cm.state.focused) {\n input.pollSelection();\n input.polling.set(input.cm.options.pollInterval, poll);\n }\n }\n this.polling.set(this.cm.options.pollInterval, poll);\n};\n\nContentEditableInput.prototype.selectionChanged = function () {\n var sel = window.getSelection();\n return sel.anchorNode != this.lastAnchorNode || sel.anchorOffset != this.lastAnchorOffset ||\n sel.focusNode != this.lastFocusNode || sel.focusOffset != this.lastFocusOffset\n};\n\nContentEditableInput.prototype.pollSelection = function () {\n if (this.readDOMTimeout != null || this.gracePeriod || !this.selectionChanged()) { return }\n var sel = window.getSelection(), cm = this.cm;\n // On Android Chrome (version 56, at least), backspacing into an\n // uneditable block element will put the cursor in that element,\n // and then, because it\'s not editable, hide the virtual keyboard.\n // Because Android doesn\'t allow us to actually detect backspace\n // presses in a sane way, this code checks for when that happens\n // and simulates a backspace press in this case.\n if (android && chrome && this.cm.options.gutters.length && isInGutter(sel.anchorNode)) {\n this.cm.triggerOnKeyDown({type: "keydown", keyCode: 8, preventDefault: Math.abs});\n this.blur();\n this.focus();\n return\n }\n if (this.composing) { return }\n this.rememberSelection();\n var anchor = domToPos(cm, sel.anchorNode, sel.anchorOffset);\n var head = domToPos(cm, sel.focusNode, sel.focusOffset);\n if (anchor && head) { runInOp(cm, function () {\n setSelection(cm.doc, simpleSelection(anchor, head), sel_dontScroll);\n if (anchor.bad || head.bad) { cm.curOp.selectionChanged = true; }\n }); }\n};\n\nContentEditableInput.prototype.pollContent = function () {\n if (this.readDOMTimeout != null) {\n clearTimeout(this.readDOMTimeout);\n this.readDOMTimeout = null;\n }\n\n var cm = this.cm, display = cm.display, sel = cm.doc.sel.primary();\n var from = sel.from(), to = sel.to();\n if (from.ch == 0 && from.line > cm.firstLine())\n { from = Pos(from.line - 1, getLine(cm.doc, from.line - 1).length); }\n if (to.ch == getLine(cm.doc, to.line).text.length && to.line < cm.lastLine())\n { to = Pos(to.line + 1, 0); }\n if (from.line < display.viewFrom || to.line > display.viewTo - 1) { return false }\n\n var fromIndex, fromLine, fromNode;\n if (from.line == display.viewFrom || (fromIndex = findViewIndex(cm, from.line)) == 0) {\n fromLine = lineNo(display.view[0].line);\n fromNode = display.view[0].node;\n } else {\n fromLine = lineNo(display.view[fromIndex].line);\n fromNode = display.view[fromIndex - 1].node.nextSibling;\n }\n var toIndex = findViewIndex(cm, to.line);\n var toLine, toNode;\n if (toIndex == display.view.length - 1) {\n toLine = display.viewTo - 1;\n toNode = display.lineDiv.lastChild;\n } else {\n toLine = lineNo(display.view[toIndex + 1].line) - 1;\n toNode = display.view[toIndex + 1].node.previousSibling;\n }\n\n if (!fromNode) { return false }\n var newText = cm.doc.splitLines(domTextBetween(cm, fromNode, toNode, fromLine, toLine));\n var oldText = getBetween(cm.doc, Pos(fromLine, 0), Pos(toLine, getLine(cm.doc, toLine).text.length));\n while (newText.length > 1 && oldText.length > 1) {\n if (lst(newText) == lst(oldText)) { newText.pop(); oldText.pop(); toLine--; }\n else if (newText[0] == oldText[0]) { newText.shift(); oldText.shift(); fromLine++; }\n else { break }\n }\n\n var cutFront = 0, cutEnd = 0;\n var newTop = newText[0], oldTop = oldText[0], maxCutFront = Math.min(newTop.length, oldTop.length);\n while (cutFront < maxCutFront && newTop.charCodeAt(cutFront) == oldTop.charCodeAt(cutFront))\n { ++cutFront; }\n var newBot = lst(newText), oldBot = lst(oldText);\n var maxCutEnd = Math.min(newBot.length - (newText.length == 1 ? cutFront : 0),\n oldBot.length - (oldText.length == 1 ? cutFront : 0));\n while (cutEnd < maxCutEnd &&\n newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1))\n { ++cutEnd; }\n // Try to move start of change to start of selection if ambiguous\n if (newText.length == 1 && oldText.length == 1 && fromLine == from.line) {\n while (cutFront && cutFront > from.ch &&\n newBot.charCodeAt(newBot.length - cutEnd - 1) == oldBot.charCodeAt(oldBot.length - cutEnd - 1)) {\n cutFront--;\n cutEnd++;\n }\n }\n\n newText[newText.length - 1] = newBot.slice(0, newBot.length - cutEnd).replace(/^\\u200b+/, "");\n newText[0] = newText[0].slice(cutFront).replace(/\\u200b+$/, "");\n\n var chFrom = Pos(fromLine, cutFront);\n var chTo = Pos(toLine, oldText.length ? lst(oldText).length - cutEnd : 0);\n if (newText.length > 1 || newText[0] || cmp(chFrom, chTo)) {\n replaceRange(cm.doc, newText, chFrom, chTo, "+input");\n return true\n }\n};\n\nContentEditableInput.prototype.ensurePolled = function () {\n this.forceCompositionEnd();\n};\nContentEditableInput.prototype.reset = function () {\n this.forceCompositionEnd();\n};\nContentEditableInput.prototype.forceCompositionEnd = function () {\n if (!this.composing) { return }\n clearTimeout(this.readDOMTimeout);\n this.composing = null;\n this.updateFromDOM();\n this.div.blur();\n this.div.focus();\n};\nContentEditableInput.prototype.readFromDOMSoon = function () {\n var this$1 = this;\n\n if (this.readDOMTimeout != null) { return }\n this.readDOMTimeout = setTimeout(function () {\n this$1.readDOMTimeout = null;\n if (this$1.composing) {\n if (this$1.composing.done) { this$1.composing = null; }\n else { return }\n }\n this$1.updateFromDOM();\n }, 80);\n};\n\nContentEditableInput.prototype.updateFromDOM = function () {\n var this$1 = this;\n\n if (this.cm.isReadOnly() || !this.pollContent())\n { runInOp(this.cm, function () { return regChange(this$1.cm); }); }\n};\n\nContentEditableInput.prototype.setUneditable = function (node) {\n node.contentEditable = "false";\n};\n\nContentEditableInput.prototype.onKeyPress = function (e) {\n if (e.charCode == 0) { return }\n e.preventDefault();\n if (!this.cm.isReadOnly())\n { operation(this.cm, applyTextInput)(this.cm, String.fromCharCode(e.charCode == null ? e.keyCode : e.charCode), 0); }\n};\n\nContentEditableInput.prototype.readOnlyChanged = function (val) {\n this.div.contentEditable = String(val != "nocursor");\n};\n\nContentEditableInput.prototype.onContextMenu = function () {};\nContentEditableInput.prototype.resetPosition = function () {};\n\nContentEditableInput.prototype.needsContentAttribute = true;\n\nfunction posToDOM(cm, pos) {\n var view = findViewForLine(cm, pos.line);\n if (!view || view.hidden) { return null }\n var line = getLine(cm.doc, pos.line);\n var info = mapFromLineView(view, line, pos.line);\n\n var order = getOrder(line, cm.doc.direction), side = "left";\n if (order) {\n var partPos = getBidiPartAt(order, pos.ch);\n side = partPos % 2 ? "right" : "left";\n }\n var result = nodeAndOffsetInLineMap(info.map, pos.ch, side);\n result.offset = result.collapse == "right" ? result.end : result.start;\n return result\n}\n\nfunction isInGutter(node) {\n for (var scan = node; scan; scan = scan.parentNode)\n { if (/CodeMirror-gutter-wrapper/.test(scan.className)) { return true } }\n return false\n}\n\nfunction badPos(pos, bad) { if (bad) { pos.bad = true; } return pos }\n\nfunction domTextBetween(cm, from, to, fromLine, toLine) {\n var text = "", closing = false, lineSep = cm.doc.lineSeparator();\n function recognizeMarker(id) { return function (marker) { return marker.id == id; } }\n function close() {\n if (closing) {\n text += lineSep;\n closing = false;\n }\n }\n function addText(str) {\n if (str) {\n close();\n text += str;\n }\n }\n function walk(node) {\n if (node.nodeType == 1) {\n var cmText = node.getAttribute("cm-text");\n if (cmText != null) {\n addText(cmText || node.textContent.replace(/\\u200b/g, ""));\n return\n }\n var markerID = node.getAttribute("cm-marker"), range$$1;\n if (markerID) {\n var found = cm.findMarks(Pos(fromLine, 0), Pos(toLine + 1, 0), recognizeMarker(+markerID));\n if (found.length && (range$$1 = found[0].find(0)))\n { addText(getBetween(cm.doc, range$$1.from, range$$1.to).join(lineSep)); }\n return\n }\n if (node.getAttribute("contenteditable") == "false") { return }\n var isBlock = /^(pre|div|p)$/i.test(node.nodeName);\n if (isBlock) { close(); }\n for (var i = 0; i < node.childNodes.length; i++)\n { walk(node.childNodes[i]); }\n if (isBlock) { closing = true; }\n } else if (node.nodeType == 3) {\n addText(node.nodeValue);\n }\n }\n for (;;) {\n walk(from);\n if (from == to) { break }\n from = from.nextSibling;\n }\n return text\n}\n\nfunction domToPos(cm, node, offset) {\n var lineNode;\n if (node == cm.display.lineDiv) {\n lineNode = cm.display.lineDiv.childNodes[offset];\n if (!lineNode) { return badPos(cm.clipPos(Pos(cm.display.viewTo - 1)), true) }\n node = null; offset = 0;\n } else {\n for (lineNode = node;; lineNode = lineNode.parentNode) {\n if (!lineNode || lineNode == cm.display.lineDiv) { return null }\n if (lineNode.parentNode && lineNode.parentNode == cm.display.lineDiv) { break }\n }\n }\n for (var i = 0; i < cm.display.view.length; i++) {\n var lineView = cm.display.view[i];\n if (lineView.node == lineNode)\n { return locateNodeInLineView(lineView, node, offset) }\n }\n}\n\nfunction locateNodeInLineView(lineView, node, offset) {\n var wrapper = lineView.text.firstChild, bad = false;\n if (!node || !contains(wrapper, node)) { return badPos(Pos(lineNo(lineView.line), 0), true) }\n if (node == wrapper) {\n bad = true;\n node = wrapper.childNodes[offset];\n offset = 0;\n if (!node) {\n var line = lineView.rest ? lst(lineView.rest) : lineView.line;\n return badPos(Pos(lineNo(line), line.text.length), bad)\n }\n }\n\n var textNode = node.nodeType == 3 ? node : null, topNode = node;\n if (!textNode && node.childNodes.length == 1 && node.firstChild.nodeType == 3) {\n textNode = node.firstChild;\n if (offset) { offset = textNode.nodeValue.length; }\n }\n while (topNode.parentNode != wrapper) { topNode = topNode.parentNode; }\n var measure = lineView.measure, maps = measure.maps;\n\n function find(textNode, topNode, offset) {\n for (var i = -1; i < (maps ? maps.length : 0); i++) {\n var map$$1 = i < 0 ? measure.map : maps[i];\n for (var j = 0; j < map$$1.length; j += 3) {\n var curNode = map$$1[j + 2];\n if (curNode == textNode || curNode == topNode) {\n var line = lineNo(i < 0 ? lineView.line : lineView.rest[i]);\n var ch = map$$1[j] + offset;\n if (offset < 0 || curNode != textNode) { ch = map$$1[j + (offset ? 1 : 0)]; }\n return Pos(line, ch)\n }\n }\n }\n }\n var found = find(textNode, topNode, offset);\n if (found) { return badPos(found, bad) }\n\n // FIXME this is all really shaky. might handle the few cases it needs to handle, but likely to cause problems\n for (var after = topNode.nextSibling, dist = textNode ? textNode.nodeValue.length - offset : 0; after; after = after.nextSibling) {\n found = find(after, after.firstChild, 0);\n if (found)\n { return badPos(Pos(found.line, found.ch - dist), bad) }\n else\n { dist += after.textContent.length; }\n }\n for (var before = topNode.previousSibling, dist$1 = offset; before; before = before.previousSibling) {\n found = find(before, before.firstChild, -1);\n if (found)\n { return badPos(Pos(found.line, found.ch + dist$1), bad) }\n else\n { dist$1 += before.textContent.length; }\n }\n}\n\n// TEXTAREA INPUT STYLE\n\nvar TextareaInput = function(cm) {\n this.cm = cm;\n // See input.poll and input.reset\n this.prevInput = "";\n\n // Flag that indicates whether we expect input to appear real soon\n // now (after some event like \'keypress\' or \'input\') and are\n // polling intensively.\n this.pollingFast = false;\n // Self-resetting timeout for the poller\n this.polling = new Delayed();\n // Used to work around IE issue with selection being forgotten when focus moves away from textarea\n this.hasSelection = false;\n this.composing = null;\n};\n\nTextareaInput.prototype.init = function (display) {\n var this$1 = this;\n\n var input = this, cm = this.cm;\n\n // Wraps and hides input textarea\n var div = this.wrapper = hiddenTextarea();\n // The semihidden textarea that is focused when the editor is\n // focused, and receives input.\n var te = this.textarea = div.firstChild;\n display.wrapper.insertBefore(div, display.wrapper.firstChild);\n\n // Needed to hide big blue blinking cursor on Mobile Safari (doesn\'t seem to work in iOS 8 anymore)\n if (ios) { te.style.width = "0px"; }\n\n on(te, "input", function () {\n if (ie && ie_version >= 9 && this$1.hasSelection) { this$1.hasSelection = null; }\n input.poll();\n });\n\n on(te, "paste", function (e) {\n if (signalDOMEvent(cm, e) || handlePaste(e, cm)) { return }\n\n cm.state.pasteIncoming = true;\n input.fastPoll();\n });\n\n function prepareCopyCut(e) {\n if (signalDOMEvent(cm, e)) { return }\n if (cm.somethingSelected()) {\n setLastCopied({lineWise: false, text: cm.getSelections()});\n } else if (!cm.options.lineWiseCopyCut) {\n return\n } else {\n var ranges = copyableRanges(cm);\n setLastCopied({lineWise: true, text: ranges.text});\n if (e.type == "cut") {\n cm.setSelections(ranges.ranges, null, sel_dontScroll);\n } else {\n input.prevInput = "";\n te.value = ranges.text.join("\\n");\n selectInput(te);\n }\n }\n if (e.type == "cut") { cm.state.cutIncoming = true; }\n }\n on(te, "cut", prepareCopyCut);\n on(te, "copy", prepareCopyCut);\n\n on(display.scroller, "paste", function (e) {\n if (eventInWidget(display, e) || signalDOMEvent(cm, e)) { return }\n cm.state.pasteIncoming = true;\n input.focus();\n });\n\n // Prevent normal selection in the editor (we handle our own)\n on(display.lineSpace, "selectstart", function (e) {\n if (!eventInWidget(display, e)) { e_preventDefault(e); }\n });\n\n on(te, "compositionstart", function () {\n var start = cm.getCursor("from");\n if (input.composing) { input.composing.range.clear(); }\n input.composing = {\n start: start,\n range: cm.markText(start, cm.getCursor("to"), {className: "CodeMirror-composing"})\n };\n });\n on(te, "compositionend", function () {\n if (input.composing) {\n input.poll();\n input.composing.range.clear();\n input.composing = null;\n }\n });\n};\n\nTextareaInput.prototype.prepareSelection = function () {\n // Redraw the selection and/or cursor\n var cm = this.cm, display = cm.display, doc = cm.doc;\n var result = prepareSelection(cm);\n\n // Move the hidden textarea near the cursor to prevent scrolling artifacts\n if (cm.options.moveInputWithCursor) {\n var headPos = cursorCoords(cm, doc.sel.primary().head, "div");\n var wrapOff = display.wrapper.getBoundingClientRect(), lineOff = display.lineDiv.getBoundingClientRect();\n result.teTop = Math.max(0, Math.min(display.wrapper.clientHeight - 10,\n headPos.top + lineOff.top - wrapOff.top));\n result.teLeft = Math.max(0, Math.min(display.wrapper.clientWidth - 10,\n headPos.left + lineOff.left - wrapOff.left));\n }\n\n return result\n};\n\nTextareaInput.prototype.showSelection = function (drawn) {\n var cm = this.cm, display = cm.display;\n removeChildrenAndAdd(display.cursorDiv, drawn.cursors);\n removeChildrenAndAdd(display.selectionDiv, drawn.selection);\n if (drawn.teTop != null) {\n this.wrapper.style.top = drawn.teTop + "px";\n this.wrapper.style.left = drawn.teLeft + "px";\n }\n};\n\n// Reset the input to correspond to the selection (or to be empty,\n// when not typing and nothing is selected)\nTextareaInput.prototype.reset = function (typing) {\n if (this.contextMenuPending || this.composing) { return }\n var cm = this.cm;\n if (cm.somethingSelected()) {\n this.prevInput = "";\n var content = cm.getSelection();\n this.textarea.value = content;\n if (cm.state.focused) { selectInput(this.textarea); }\n if (ie && ie_version >= 9) { this.hasSelection = content; }\n } else if (!typing) {\n this.prevInput = this.textarea.value = "";\n if (ie && ie_version >= 9) { this.hasSelection = null; }\n }\n};\n\nTextareaInput.prototype.getField = function () { return this.textarea };\n\nTextareaInput.prototype.supportsTouch = function () { return false };\n\nTextareaInput.prototype.focus = function () {\n if (this.cm.options.readOnly != "nocursor" && (!mobile || activeElt() != this.textarea)) {\n try { this.textarea.focus(); }\n catch (e) {} // IE8 will throw if the textarea is display: none or not in DOM\n }\n};\n\nTextareaInput.prototype.blur = function () { this.textarea.blur(); };\n\nTextareaInput.prototype.resetPosition = function () {\n this.wrapper.style.top = this.wrapper.style.left = 0;\n};\n\nTextareaInput.prototype.receivedFocus = function () { this.slowPoll(); };\n\n// Poll for input changes, using the normal rate of polling. This\n// runs as long as the editor is focused.\nTextareaInput.prototype.slowPoll = function () {\n var this$1 = this;\n\n if (this.pollingFast) { return }\n this.polling.set(this.cm.options.pollInterval, function () {\n this$1.poll();\n if (this$1.cm.state.focused) { this$1.slowPoll(); }\n });\n};\n\n// When an event has just come in that is likely to add or change\n// something in the input textarea, we poll faster, to ensure that\n// the change appears on the screen quickly.\nTextareaInput.prototype.fastPoll = function () {\n var missed = false, input = this;\n input.pollingFast = true;\n function p() {\n var changed = input.poll();\n if (!changed && !missed) {missed = true; input.polling.set(60, p);}\n else {input.pollingFast = false; input.slowPoll();}\n }\n input.polling.set(20, p);\n};\n\n// Read input from the textarea, and update the document to match.\n// When something is selected, it is present in the textarea, and\n// selected (unless it is huge, in which case a placeholder is\n// used). When nothing is selected, the cursor sits after previously\n// seen text (can be empty), which is stored in prevInput (we must\n// not reset the textarea when typing, because that breaks IME).\nTextareaInput.prototype.poll = function () {\n var this$1 = this;\n\n var cm = this.cm, input = this.textarea, prevInput = this.prevInput;\n // Since this is called a *lot*, try to bail out as cheaply as\n // possible when it is clear that nothing happened. hasSelection\n // will be the case when there is a lot of text in the textarea,\n // in which case reading its value would be expensive.\n if (this.contextMenuPending || !cm.state.focused ||\n (hasSelection(input) && !prevInput && !this.composing) ||\n cm.isReadOnly() || cm.options.disableInput || cm.state.keySeq)\n { return false }\n\n var text = input.value;\n // If nothing changed, bail.\n if (text == prevInput && !cm.somethingSelected()) { return false }\n // Work around nonsensical selection resetting in IE9/10, and\n // inexplicable appearance of private area unicode characters on\n // some key combos in Mac (#2689).\n if (ie && ie_version >= 9 && this.hasSelection === text ||\n mac && /[\\uf700-\\uf7ff]/.test(text)) {\n cm.display.input.reset();\n return false\n }\n\n if (cm.doc.sel == cm.display.selForContextMenu) {\n var first = text.charCodeAt(0);\n if (first == 0x200b && !prevInput) { prevInput = "\\u200b"; }\n if (first == 0x21da) { this.reset(); return this.cm.execCommand("undo") }\n }\n // Find the part of the input that is actually new\n var same = 0, l = Math.min(prevInput.length, text.length);\n while (same < l && prevInput.charCodeAt(same) == text.charCodeAt(same)) { ++same; }\n\n runInOp(cm, function () {\n applyTextInput(cm, text.slice(same), prevInput.length - same,\n null, this$1.composing ? "*compose" : null);\n\n // Don\'t leave long text in the textarea, since it makes further polling slow\n if (text.length > 1000 || text.indexOf("\\n") > -1) { input.value = this$1.prevInput = ""; }\n else { this$1.prevInput = text; }\n\n if (this$1.composing) {\n this$1.composing.range.clear();\n this$1.composing.range = cm.markText(this$1.composing.start, cm.getCursor("to"),\n {className: "CodeMirror-composing"});\n }\n });\n return true\n};\n\nTextareaInput.prototype.ensurePolled = function () {\n if (this.pollingFast && this.poll()) { this.pollingFast = false; }\n};\n\nTextareaInput.prototype.onKeyPress = function () {\n if (ie && ie_version >= 9) { this.hasSelection = null; }\n this.fastPoll();\n};\n\nTextareaInput.prototype.onContextMenu = function (e) {\n var input = this, cm = input.cm, display = cm.display, te = input.textarea;\n var pos = posFromMouse(cm, e), scrollPos = display.scroller.scrollTop;\n if (!pos || presto) { return } // Opera is difficult.\n\n // Reset the current text selection only if the click is done outside of the selection\n // and \'resetSelectionOnContextMenu\' option is true.\n var reset = cm.options.resetSelectionOnContextMenu;\n if (reset && cm.doc.sel.contains(pos) == -1)\n { operation(cm, setSelection)(cm.doc, simpleSelection(pos), sel_dontScroll); }\n\n var oldCSS = te.style.cssText, oldWrapperCSS = input.wrapper.style.cssText;\n input.wrapper.style.cssText = "position: absolute";\n var wrapperBox = input.wrapper.getBoundingClientRect();\n te.style.cssText = "position: absolute; width: 30px; height: 30px;\\n top: " + (e.clientY - wrapperBox.top - 5) + "px; left: " + (e.clientX - wrapperBox.left - 5) + "px;\\n z-index: 1000; background: " + (ie ? "rgba(255, 255, 255, .05)" : "transparent") + ";\\n outline: none; border-width: 0; outline: none; overflow: hidden; opacity: .05; filter: alpha(opacity=5);";\n var oldScrollY;\n if (webkit) { oldScrollY = window.scrollY; } // Work around Chrome issue (#2712)\n display.input.focus();\n if (webkit) { window.scrollTo(null, oldScrollY); }\n display.input.reset();\n // Adds "Select all" to context menu in FF\n if (!cm.somethingSelected()) { te.value = input.prevInput = " "; }\n input.contextMenuPending = true;\n display.selForContextMenu = cm.doc.sel;\n clearTimeout(display.detectingSelectAll);\n\n // Select-all will be greyed out if there\'s nothing to select, so\n // this adds a zero-width space so that we can later check whether\n // it got selected.\n function prepareSelectAllHack() {\n if (te.selectionStart != null) {\n var selected = cm.somethingSelected();\n var extval = "\\u200b" + (selected ? te.value : "");\n te.value = "\\u21da"; // Used to catch context-menu undo\n te.value = extval;\n input.prevInput = selected ? "" : "\\u200b";\n te.selectionStart = 1; te.selectionEnd = extval.length;\n // Re-set this, in case some other handler touched the\n // selection in the meantime.\n display.selForContextMenu = cm.doc.sel;\n }\n }\n function rehide() {\n input.contextMenuPending = false;\n input.wrapper.style.cssText = oldWrapperCSS;\n te.style.cssText = oldCSS;\n if (ie && ie_version < 9) { display.scrollbars.setScrollTop(display.scroller.scrollTop = scrollPos); }\n\n // Try to detect the user choosing select-all\n if (te.selectionStart != null) {\n if (!ie || (ie && ie_version < 9)) { prepareSelectAllHack(); }\n var i = 0, poll = function () {\n if (display.selForContextMenu == cm.doc.sel && te.selectionStart == 0 &&\n te.selectionEnd > 0 && input.prevInput == "\\u200b") {\n operation(cm, selectAll)(cm);\n } else if (i++ < 10) {\n display.detectingSelectAll = setTimeout(poll, 500);\n } else {\n display.selForContextMenu = null;\n display.input.reset();\n }\n };\n display.detectingSelectAll = setTimeout(poll, 200);\n }\n }\n\n if (ie && ie_version >= 9) { prepareSelectAllHack(); }\n if (captureRightClick) {\n e_stop(e);\n var mouseup = function () {\n off(window, "mouseup", mouseup);\n setTimeout(rehide, 20);\n };\n on(window, "mouseup", mouseup);\n } else {\n setTimeout(rehide, 50);\n }\n};\n\nTextareaInput.prototype.readOnlyChanged = function (val) {\n if (!val) { this.reset(); }\n this.textarea.disabled = val == "nocursor";\n};\n\nTextareaInput.prototype.setUneditable = function () {};\n\nTextareaInput.prototype.needsContentAttribute = false;\n\nfunction fromTextArea(textarea, options) {\n options = options ? copyObj(options) : {};\n options.value = textarea.value;\n if (!options.tabindex && textarea.tabIndex)\n { options.tabindex = textarea.tabIndex; }\n if (!options.placeholder && textarea.placeholder)\n { options.placeholder = textarea.placeholder; }\n // Set autofocus to true if this textarea is focused, or if it has\n // autofocus and no other element is focused.\n if (options.autofocus == null) {\n var hasFocus = activeElt();\n options.autofocus = hasFocus == textarea ||\n textarea.getAttribute("autofocus") != null && hasFocus == document.body;\n }\n\n function save() {textarea.value = cm.getValue();}\n\n var realSubmit;\n if (textarea.form) {\n on(textarea.form, "submit", save);\n // Deplorable hack to make the submit method do the right thing.\n if (!options.leaveSubmitMethodAlone) {\n var form = textarea.form;\n realSubmit = form.submit;\n try {\n var wrappedSubmit = form.submit = function () {\n save();\n form.submit = realSubmit;\n form.submit();\n form.submit = wrappedSubmit;\n };\n } catch(e) {}\n }\n }\n\n options.finishInit = function (cm) {\n cm.save = save;\n cm.getTextArea = function () { return textarea; };\n cm.toTextArea = function () {\n cm.toTextArea = isNaN; // Prevent this from being ran twice\n save();\n textarea.parentNode.removeChild(cm.getWrapperElement());\n textarea.style.display = "";\n if (textarea.form) {\n off(textarea.form, "submit", save);\n if (typeof textarea.form.submit == "function")\n { textarea.form.submit = realSubmit; }\n }\n };\n };\n\n textarea.style.display = "none";\n var cm = CodeMirror$1(function (node) { return textarea.parentNode.insertBefore(node, textarea.nextSibling); },\n options);\n return cm\n}\n\nfunction addLegacyProps(CodeMirror) {\n CodeMirror.off = off;\n CodeMirror.on = on;\n CodeMirror.wheelEventPixels = wheelEventPixels;\n CodeMirror.Doc = Doc;\n CodeMirror.splitLines = splitLinesAuto;\n CodeMirror.countColumn = countColumn;\n CodeMirror.findColumn = findColumn;\n CodeMirror.isWordChar = isWordCharBasic;\n CodeMirror.Pass = Pass;\n CodeMirror.signal = signal;\n CodeMirror.Line = Line;\n CodeMirror.changeEnd = changeEnd;\n CodeMirror.scrollbarModel = scrollbarModel;\n CodeMirror.Pos = Pos;\n CodeMirror.cmpPos = cmp;\n CodeMirror.modes = modes;\n CodeMirror.mimeModes = mimeModes;\n CodeMirror.resolveMode = resolveMode;\n CodeMirror.getMode = getMode;\n CodeMirror.modeExtensions = modeExtensions;\n CodeMirror.extendMode = extendMode;\n CodeMirror.copyState = copyState;\n CodeMirror.startState = startState;\n CodeMirror.innerMode = innerMode;\n CodeMirror.commands = commands;\n CodeMirror.keyMap = keyMap;\n CodeMirror.keyName = keyName;\n CodeMirror.isModifierKey = isModifierKey;\n CodeMirror.lookupKey = lookupKey;\n CodeMirror.normalizeKeyMap = normalizeKeyMap;\n CodeMirror.StringStream = StringStream;\n CodeMirror.SharedTextMarker = SharedTextMarker;\n CodeMirror.TextMarker = TextMarker;\n CodeMirror.LineWidget = LineWidget;\n CodeMirror.e_preventDefault = e_preventDefault;\n CodeMirror.e_stopPropagation = e_stopPropagation;\n CodeMirror.e_stop = e_stop;\n CodeMirror.addClass = addClass;\n CodeMirror.contains = contains;\n CodeMirror.rmClass = rmClass;\n CodeMirror.keyNames = keyNames;\n}\n\n// EDITOR CONSTRUCTOR\n\ndefineOptions(CodeMirror$1);\n\naddEditorMethods(CodeMirror$1);\n\n// Set up methods on CodeMirror\'s prototype to redirect to the editor\'s document.\nvar dontDelegate = "iter insert remove copy getEditor constructor".split(" ");\nfor (var prop in Doc.prototype) { if (Doc.prototype.hasOwnProperty(prop) && indexOf(dontDelegate, prop) < 0)\n { CodeMirror$1.prototype[prop] = (function(method) {\n return function() {return method.apply(this.doc, arguments)}\n })(Doc.prototype[prop]); } }\n\neventMixin(Doc);\n\n// INPUT HANDLING\n\nCodeMirror$1.inputStyles = {"textarea": TextareaInput, "contenteditable": ContentEditableInput};\n\n// MODE DEFINITION AND QUERYING\n\n// Extra arguments are stored as the mode\'s dependencies, which is\n// used by (legacy) mechanisms like loadmode.js to automatically\n// load a mode. (Preferred mechanism is the require/define calls.)\nCodeMirror$1.defineMode = function(name/*, mode, …*/) {\n if (!CodeMirror$1.defaults.mode && name != "null") { CodeMirror$1.defaults.mode = name; }\n defineMode.apply(this, arguments);\n};\n\nCodeMirror$1.defineMIME = defineMIME;\n\n// Minimal default mode.\nCodeMirror$1.defineMode("null", function () { return ({token: function (stream) { return stream.skipToEnd(); }}); });\nCodeMirror$1.defineMIME("text/plain", "null");\n\n// EXTENSIONS\n\nCodeMirror$1.defineExtension = function (name, func) {\n CodeMirror$1.prototype[name] = func;\n};\nCodeMirror$1.defineDocExtension = function (name, func) {\n Doc.prototype[name] = func;\n};\n\nCodeMirror$1.fromTextArea = fromTextArea;\n\naddLegacyProps(CodeMirror$1);\n\nCodeMirror$1.version = "5.31.0";\n\nreturn CodeMirror$1;\n\n})));\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/codemirror/lib/codemirror.js\n// module id = 16\n// module chunks = 0\n\n//# sourceURL=webpack:///./node_modules/codemirror/lib/codemirror.js?')},function(module,exports,__webpack_require__){eval("var __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;/*jshint curly:false, eqeqeq:true, laxbreak:true, noempty:false */\n/* AUTO-GENERATED. DO NOT MODIFY. */\n/* see js/src/javascript/index.js */\n/*\n\n The MIT License (MIT)\n\n Copyright (c) 2007-2017 Einar Lielmanis, Liam Newman, and contributors.\n\n Permission is hereby granted, free of charge, to any person\n obtaining a copy of this software and associated documentation files\n (the \"Software\"), to deal in the Software without restriction,\n including without limitation the rights to use, copy, modify, merge,\n publish, distribute, sublicense, and/or sell copies of the Software,\n and to permit persons to whom the Software is furnished to do so,\n subject to the following conditions:\n\n The above copyright notice and this permission notice shall be\n included in all copies or substantial portions of the Software.\n\n THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND,\n EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\n NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS\n BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN\n ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\n CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n SOFTWARE.\n\n JS Beautifier\n---------------\n\n\n Written by Einar Lielmanis, \n http://jsbeautifier.org/\n\n Originally converted to javascript by Vital, \n \"End braces on own line\" added by Chris J. Shull, \n Parsing improvements for brace-less statements by Liam Newman \n\n\n Usage:\n js_beautify(js_source_text);\n js_beautify(js_source_text, options);\n\n The options are:\n indent_size (default 4) - indentation size,\n indent_char (default space) - character to indent with,\n preserve_newlines (default true) - whether existing line breaks should be preserved,\n max_preserve_newlines (default unlimited) - maximum number of line breaks to be preserved in one chunk,\n\n jslint_happy (default false) - if true, then jslint-stricter mode is enforced.\n\n jslint_happy !jslint_happy\n ---------------------------------\n function () function()\n\n switch () { switch() {\n case 1: case 1:\n break; break;\n } }\n\n space_after_anon_function (default false) - should the space before an anonymous function's parens be added, \"function()\" vs \"function ()\",\n NOTE: This option is overriden by jslint_happy (i.e. if jslint_happy is true, space_after_anon_function is true by design)\n\n brace_style (default \"collapse\") - \"collapse\" | \"expand\" | \"end-expand\" | \"none\" | any of the former + \",preserve-inline\"\n put braces on the same line as control statements (default), or put braces on own line (Allman / ANSI style), or just put end braces on own line, or attempt to keep them where they are.\n preserve-inline will try to preserve inline blocks of curly braces\n\n space_before_conditional (default true) - should the space before conditional statement be added, \"if(true)\" vs \"if (true)\",\n\n unescape_strings (default false) - should printable characters in strings encoded in \\xNN notation be unescaped, \"example\" vs \"\\x65\\x78\\x61\\x6d\\x70\\x6c\\x65\"\n\n wrap_line_length (default unlimited) - lines should wrap at next opportunity after this number of characters.\n NOTE: This is not a hard limit. Lines will continue until a point where a newline would\n be preserved if it were present.\n\n end_with_newline (default false) - end output with a newline\n\n\n e.g\n\n js_beautify(js_source_text, {\n 'indent_size': 1,\n 'indent_char': '\\t'\n });\n\n*/\n\n(function() {\nvar legacy_beautify_js =\n/******/ (function(modules) { // webpackBootstrap\n/******/ \t// The module cache\n/******/ \tvar installedModules = {};\n/******/\n/******/ \t// The require function\n/******/ \tfunction __webpack_require__(moduleId) {\n/******/\n/******/ \t\t// Check if module is in cache\n/******/ \t\tif(installedModules[moduleId]) {\n/******/ \t\t\treturn installedModules[moduleId].exports;\n/******/ \t\t}\n/******/ \t\t// Create a new module (and put it into the cache)\n/******/ \t\tvar module = installedModules[moduleId] = {\n/******/ \t\t\ti: moduleId,\n/******/ \t\t\tl: false,\n/******/ \t\t\texports: {}\n/******/ \t\t};\n/******/\n/******/ \t\t// Execute the module function\n/******/ \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n/******/\n/******/ \t\t// Flag the module as loaded\n/******/ \t\tmodule.l = true;\n/******/\n/******/ \t\t// Return the exports of the module\n/******/ \t\treturn module.exports;\n/******/ \t}\n/******/\n/******/\n/******/ \t// expose the modules object (__webpack_modules__)\n/******/ \t__webpack_require__.m = modules;\n/******/\n/******/ \t// expose the module cache\n/******/ \t__webpack_require__.c = installedModules;\n/******/\n/******/ \t// identity function for calling harmony imports with the correct context\n/******/ \t__webpack_require__.i = function(value) { return value; };\n/******/\n/******/ \t// define getter function for harmony exports\n/******/ \t__webpack_require__.d = function(exports, name, getter) {\n/******/ \t\tif(!__webpack_require__.o(exports, name)) {\n/******/ \t\t\tObject.defineProperty(exports, name, {\n/******/ \t\t\t\tconfigurable: false,\n/******/ \t\t\t\tenumerable: true,\n/******/ \t\t\t\tget: getter\n/******/ \t\t\t});\n/******/ \t\t}\n/******/ \t};\n/******/\n/******/ \t// getDefaultExport function for compatibility with non-harmony modules\n/******/ \t__webpack_require__.n = function(module) {\n/******/ \t\tvar getter = module && module.__esModule ?\n/******/ \t\t\tfunction getDefault() { return module['default']; } :\n/******/ \t\t\tfunction getModuleExports() { return module; };\n/******/ \t\t__webpack_require__.d(getter, 'a', getter);\n/******/ \t\treturn getter;\n/******/ \t};\n/******/\n/******/ \t// Object.prototype.hasOwnProperty.call\n/******/ \t__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n/******/\n/******/ \t// __webpack_public_path__\n/******/ \t__webpack_require__.p = \"\";\n/******/\n/******/ \t// Load entry module and return exports\n/******/ \treturn __webpack_require__(__webpack_require__.s = 6);\n/******/ })\n/************************************************************************/\n/******/ ([\n/* 0 */\n/***/ (function(module, exports) {\n\n/* jshint curly: false */\n// This section of code is taken from acorn.\n//\n// Acorn was written by Marijn Haverbeke and released under an MIT\n// license. The Unicode regexps (for identifiers and whitespace) were\n// taken from [Esprima](http://esprima.org) by Ariya Hidayat.\n//\n// Git repositories for Acorn are available at\n//\n// http://marijnhaverbeke.nl/git/acorn\n// https://github.com/marijnh/acorn.git\n\n// ## Character categories\n\n// Big ugly regular expressions that match characters in the\n// whitespace, identifier, and identifier-start categories. These\n// are only applied when a character is found to actually have a\n// code point above 128.\n\nvar nonASCIIwhitespace = /[\\u1680\\u180e\\u2000-\\u200a\\u202f\\u205f\\u3000\\ufeff]/; // jshint ignore:line\nvar nonASCIIidentifierStartChars = \"\\xaa\\xb5\\xba\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\u02c1\\u02c6-\\u02d1\\u02e0-\\u02e4\\u02ec\\u02ee\\u0370-\\u0374\\u0376\\u0377\\u037a-\\u037d\\u0386\\u0388-\\u038a\\u038c\\u038e-\\u03a1\\u03a3-\\u03f5\\u03f7-\\u0481\\u048a-\\u0527\\u0531-\\u0556\\u0559\\u0561-\\u0587\\u05d0-\\u05ea\\u05f0-\\u05f2\\u0620-\\u064a\\u066e\\u066f\\u0671-\\u06d3\\u06d5\\u06e5\\u06e6\\u06ee\\u06ef\\u06fa-\\u06fc\\u06ff\\u0710\\u0712-\\u072f\\u074d-\\u07a5\\u07b1\\u07ca-\\u07ea\\u07f4\\u07f5\\u07fa\\u0800-\\u0815\\u081a\\u0824\\u0828\\u0840-\\u0858\\u08a0\\u08a2-\\u08ac\\u0904-\\u0939\\u093d\\u0950\\u0958-\\u0961\\u0971-\\u0977\\u0979-\\u097f\\u0985-\\u098c\\u098f\\u0990\\u0993-\\u09a8\\u09aa-\\u09b0\\u09b2\\u09b6-\\u09b9\\u09bd\\u09ce\\u09dc\\u09dd\\u09df-\\u09e1\\u09f0\\u09f1\\u0a05-\\u0a0a\\u0a0f\\u0a10\\u0a13-\\u0a28\\u0a2a-\\u0a30\\u0a32\\u0a33\\u0a35\\u0a36\\u0a38\\u0a39\\u0a59-\\u0a5c\\u0a5e\\u0a72-\\u0a74\\u0a85-\\u0a8d\\u0a8f-\\u0a91\\u0a93-\\u0aa8\\u0aaa-\\u0ab0\\u0ab2\\u0ab3\\u0ab5-\\u0ab9\\u0abd\\u0ad0\\u0ae0\\u0ae1\\u0b05-\\u0b0c\\u0b0f\\u0b10\\u0b13-\\u0b28\\u0b2a-\\u0b30\\u0b32\\u0b33\\u0b35-\\u0b39\\u0b3d\\u0b5c\\u0b5d\\u0b5f-\\u0b61\\u0b71\\u0b83\\u0b85-\\u0b8a\\u0b8e-\\u0b90\\u0b92-\\u0b95\\u0b99\\u0b9a\\u0b9c\\u0b9e\\u0b9f\\u0ba3\\u0ba4\\u0ba8-\\u0baa\\u0bae-\\u0bb9\\u0bd0\\u0c05-\\u0c0c\\u0c0e-\\u0c10\\u0c12-\\u0c28\\u0c2a-\\u0c33\\u0c35-\\u0c39\\u0c3d\\u0c58\\u0c59\\u0c60\\u0c61\\u0c85-\\u0c8c\\u0c8e-\\u0c90\\u0c92-\\u0ca8\\u0caa-\\u0cb3\\u0cb5-\\u0cb9\\u0cbd\\u0cde\\u0ce0\\u0ce1\\u0cf1\\u0cf2\\u0d05-\\u0d0c\\u0d0e-\\u0d10\\u0d12-\\u0d3a\\u0d3d\\u0d4e\\u0d60\\u0d61\\u0d7a-\\u0d7f\\u0d85-\\u0d96\\u0d9a-\\u0db1\\u0db3-\\u0dbb\\u0dbd\\u0dc0-\\u0dc6\\u0e01-\\u0e30\\u0e32\\u0e33\\u0e40-\\u0e46\\u0e81\\u0e82\\u0e84\\u0e87\\u0e88\\u0e8a\\u0e8d\\u0e94-\\u0e97\\u0e99-\\u0e9f\\u0ea1-\\u0ea3\\u0ea5\\u0ea7\\u0eaa\\u0eab\\u0ead-\\u0eb0\\u0eb2\\u0eb3\\u0ebd\\u0ec0-\\u0ec4\\u0ec6\\u0edc-\\u0edf\\u0f00\\u0f40-\\u0f47\\u0f49-\\u0f6c\\u0f88-\\u0f8c\\u1000-\\u102a\\u103f\\u1050-\\u1055\\u105a-\\u105d\\u1061\\u1065\\u1066\\u106e-\\u1070\\u1075-\\u1081\\u108e\\u10a0-\\u10c5\\u10c7\\u10cd\\u10d0-\\u10fa\\u10fc-\\u1248\\u124a-\\u124d\\u1250-\\u1256\\u1258\\u125a-\\u125d\\u1260-\\u1288\\u128a-\\u128d\\u1290-\\u12b0\\u12b2-\\u12b5\\u12b8-\\u12be\\u12c0\\u12c2-\\u12c5\\u12c8-\\u12d6\\u12d8-\\u1310\\u1312-\\u1315\\u1318-\\u135a\\u1380-\\u138f\\u13a0-\\u13f4\\u1401-\\u166c\\u166f-\\u167f\\u1681-\\u169a\\u16a0-\\u16ea\\u16ee-\\u16f0\\u1700-\\u170c\\u170e-\\u1711\\u1720-\\u1731\\u1740-\\u1751\\u1760-\\u176c\\u176e-\\u1770\\u1780-\\u17b3\\u17d7\\u17dc\\u1820-\\u1877\\u1880-\\u18a8\\u18aa\\u18b0-\\u18f5\\u1900-\\u191c\\u1950-\\u196d\\u1970-\\u1974\\u1980-\\u19ab\\u19c1-\\u19c7\\u1a00-\\u1a16\\u1a20-\\u1a54\\u1aa7\\u1b05-\\u1b33\\u1b45-\\u1b4b\\u1b83-\\u1ba0\\u1bae\\u1baf\\u1bba-\\u1be5\\u1c00-\\u1c23\\u1c4d-\\u1c4f\\u1c5a-\\u1c7d\\u1ce9-\\u1cec\\u1cee-\\u1cf1\\u1cf5\\u1cf6\\u1d00-\\u1dbf\\u1e00-\\u1f15\\u1f18-\\u1f1d\\u1f20-\\u1f45\\u1f48-\\u1f4d\\u1f50-\\u1f57\\u1f59\\u1f5b\\u1f5d\\u1f5f-\\u1f7d\\u1f80-\\u1fb4\\u1fb6-\\u1fbc\\u1fbe\\u1fc2-\\u1fc4\\u1fc6-\\u1fcc\\u1fd0-\\u1fd3\\u1fd6-\\u1fdb\\u1fe0-\\u1fec\\u1ff2-\\u1ff4\\u1ff6-\\u1ffc\\u2071\\u207f\\u2090-\\u209c\\u2102\\u2107\\u210a-\\u2113\\u2115\\u2119-\\u211d\\u2124\\u2126\\u2128\\u212a-\\u212d\\u212f-\\u2139\\u213c-\\u213f\\u2145-\\u2149\\u214e\\u2160-\\u2188\\u2c00-\\u2c2e\\u2c30-\\u2c5e\\u2c60-\\u2ce4\\u2ceb-\\u2cee\\u2cf2\\u2cf3\\u2d00-\\u2d25\\u2d27\\u2d2d\\u2d30-\\u2d67\\u2d6f\\u2d80-\\u2d96\\u2da0-\\u2da6\\u2da8-\\u2dae\\u2db0-\\u2db6\\u2db8-\\u2dbe\\u2dc0-\\u2dc6\\u2dc8-\\u2dce\\u2dd0-\\u2dd6\\u2dd8-\\u2dde\\u2e2f\\u3005-\\u3007\\u3021-\\u3029\\u3031-\\u3035\\u3038-\\u303c\\u3041-\\u3096\\u309d-\\u309f\\u30a1-\\u30fa\\u30fc-\\u30ff\\u3105-\\u312d\\u3131-\\u318e\\u31a0-\\u31ba\\u31f0-\\u31ff\\u3400-\\u4db5\\u4e00-\\u9fcc\\ua000-\\ua48c\\ua4d0-\\ua4fd\\ua500-\\ua60c\\ua610-\\ua61f\\ua62a\\ua62b\\ua640-\\ua66e\\ua67f-\\ua697\\ua6a0-\\ua6ef\\ua717-\\ua71f\\ua722-\\ua788\\ua78b-\\ua78e\\ua790-\\ua793\\ua7a0-\\ua7aa\\ua7f8-\\ua801\\ua803-\\ua805\\ua807-\\ua80a\\ua80c-\\ua822\\ua840-\\ua873\\ua882-\\ua8b3\\ua8f2-\\ua8f7\\ua8fb\\ua90a-\\ua925\\ua930-\\ua946\\ua960-\\ua97c\\ua984-\\ua9b2\\ua9cf\\uaa00-\\uaa28\\uaa40-\\uaa42\\uaa44-\\uaa4b\\uaa60-\\uaa76\\uaa7a\\uaa80-\\uaaaf\\uaab1\\uaab5\\uaab6\\uaab9-\\uaabd\\uaac0\\uaac2\\uaadb-\\uaadd\\uaae0-\\uaaea\\uaaf2-\\uaaf4\\uab01-\\uab06\\uab09-\\uab0e\\uab11-\\uab16\\uab20-\\uab26\\uab28-\\uab2e\\uabc0-\\uabe2\\uac00-\\ud7a3\\ud7b0-\\ud7c6\\ud7cb-\\ud7fb\\uf900-\\ufa6d\\ufa70-\\ufad9\\ufb00-\\ufb06\\ufb13-\\ufb17\\ufb1d\\ufb1f-\\ufb28\\ufb2a-\\ufb36\\ufb38-\\ufb3c\\ufb3e\\ufb40\\ufb41\\ufb43\\ufb44\\ufb46-\\ufbb1\\ufbd3-\\ufd3d\\ufd50-\\ufd8f\\ufd92-\\ufdc7\\ufdf0-\\ufdfb\\ufe70-\\ufe74\\ufe76-\\ufefc\\uff21-\\uff3a\\uff41-\\uff5a\\uff66-\\uffbe\\uffc2-\\uffc7\\uffca-\\uffcf\\uffd2-\\uffd7\\uffda-\\uffdc\";\nvar nonASCIIidentifierChars = \"\\u0300-\\u036f\\u0483-\\u0487\\u0591-\\u05bd\\u05bf\\u05c1\\u05c2\\u05c4\\u05c5\\u05c7\\u0610-\\u061a\\u0620-\\u0649\\u0672-\\u06d3\\u06e7-\\u06e8\\u06fb-\\u06fc\\u0730-\\u074a\\u0800-\\u0814\\u081b-\\u0823\\u0825-\\u0827\\u0829-\\u082d\\u0840-\\u0857\\u08e4-\\u08fe\\u0900-\\u0903\\u093a-\\u093c\\u093e-\\u094f\\u0951-\\u0957\\u0962-\\u0963\\u0966-\\u096f\\u0981-\\u0983\\u09bc\\u09be-\\u09c4\\u09c7\\u09c8\\u09d7\\u09df-\\u09e0\\u0a01-\\u0a03\\u0a3c\\u0a3e-\\u0a42\\u0a47\\u0a48\\u0a4b-\\u0a4d\\u0a51\\u0a66-\\u0a71\\u0a75\\u0a81-\\u0a83\\u0abc\\u0abe-\\u0ac5\\u0ac7-\\u0ac9\\u0acb-\\u0acd\\u0ae2-\\u0ae3\\u0ae6-\\u0aef\\u0b01-\\u0b03\\u0b3c\\u0b3e-\\u0b44\\u0b47\\u0b48\\u0b4b-\\u0b4d\\u0b56\\u0b57\\u0b5f-\\u0b60\\u0b66-\\u0b6f\\u0b82\\u0bbe-\\u0bc2\\u0bc6-\\u0bc8\\u0bca-\\u0bcd\\u0bd7\\u0be6-\\u0bef\\u0c01-\\u0c03\\u0c46-\\u0c48\\u0c4a-\\u0c4d\\u0c55\\u0c56\\u0c62-\\u0c63\\u0c66-\\u0c6f\\u0c82\\u0c83\\u0cbc\\u0cbe-\\u0cc4\\u0cc6-\\u0cc8\\u0cca-\\u0ccd\\u0cd5\\u0cd6\\u0ce2-\\u0ce3\\u0ce6-\\u0cef\\u0d02\\u0d03\\u0d46-\\u0d48\\u0d57\\u0d62-\\u0d63\\u0d66-\\u0d6f\\u0d82\\u0d83\\u0dca\\u0dcf-\\u0dd4\\u0dd6\\u0dd8-\\u0ddf\\u0df2\\u0df3\\u0e34-\\u0e3a\\u0e40-\\u0e45\\u0e50-\\u0e59\\u0eb4-\\u0eb9\\u0ec8-\\u0ecd\\u0ed0-\\u0ed9\\u0f18\\u0f19\\u0f20-\\u0f29\\u0f35\\u0f37\\u0f39\\u0f41-\\u0f47\\u0f71-\\u0f84\\u0f86-\\u0f87\\u0f8d-\\u0f97\\u0f99-\\u0fbc\\u0fc6\\u1000-\\u1029\\u1040-\\u1049\\u1067-\\u106d\\u1071-\\u1074\\u1082-\\u108d\\u108f-\\u109d\\u135d-\\u135f\\u170e-\\u1710\\u1720-\\u1730\\u1740-\\u1750\\u1772\\u1773\\u1780-\\u17b2\\u17dd\\u17e0-\\u17e9\\u180b-\\u180d\\u1810-\\u1819\\u1920-\\u192b\\u1930-\\u193b\\u1951-\\u196d\\u19b0-\\u19c0\\u19c8-\\u19c9\\u19d0-\\u19d9\\u1a00-\\u1a15\\u1a20-\\u1a53\\u1a60-\\u1a7c\\u1a7f-\\u1a89\\u1a90-\\u1a99\\u1b46-\\u1b4b\\u1b50-\\u1b59\\u1b6b-\\u1b73\\u1bb0-\\u1bb9\\u1be6-\\u1bf3\\u1c00-\\u1c22\\u1c40-\\u1c49\\u1c5b-\\u1c7d\\u1cd0-\\u1cd2\\u1d00-\\u1dbe\\u1e01-\\u1f15\\u200c\\u200d\\u203f\\u2040\\u2054\\u20d0-\\u20dc\\u20e1\\u20e5-\\u20f0\\u2d81-\\u2d96\\u2de0-\\u2dff\\u3021-\\u3028\\u3099\\u309a\\ua640-\\ua66d\\ua674-\\ua67d\\ua69f\\ua6f0-\\ua6f1\\ua7f8-\\ua800\\ua806\\ua80b\\ua823-\\ua827\\ua880-\\ua881\\ua8b4-\\ua8c4\\ua8d0-\\ua8d9\\ua8f3-\\ua8f7\\ua900-\\ua909\\ua926-\\ua92d\\ua930-\\ua945\\ua980-\\ua983\\ua9b3-\\ua9c0\\uaa00-\\uaa27\\uaa40-\\uaa41\\uaa4c-\\uaa4d\\uaa50-\\uaa59\\uaa7b\\uaae0-\\uaae9\\uaaf2-\\uaaf3\\uabc0-\\uabe1\\uabec\\uabed\\uabf0-\\uabf9\\ufb20-\\ufb28\\ufe00-\\ufe0f\\ufe20-\\ufe26\\ufe33\\ufe34\\ufe4d-\\ufe4f\\uff10-\\uff19\\uff3f\";\nvar nonASCIIidentifierStart = new RegExp(\"[\" + nonASCIIidentifierStartChars + \"]\");\nvar nonASCIIidentifier = new RegExp(\"[\" + nonASCIIidentifierStartChars + nonASCIIidentifierChars + \"]\");\n\n// Whether a single character denotes a newline.\n\nexports.newline = /[\\n\\r\\u2028\\u2029]/;\n\n// Matches a whole line break (where CRLF is considered a single\n// line break). Used to count lines.\n\n// in javascript, these two differ\n// in python they are the same, different methods are called on them\nexports.lineBreak = new RegExp('\\r\\n|' + exports.newline.source);\nexports.allLineBreaks = new RegExp(exports.lineBreak.source, 'g');\n\n\n// Test whether a given character code starts an identifier.\n\nexports.isIdentifierStart = function(code) {\n // permit $ (36) and @ (64). @ is used in ES7 decorators.\n if (code < 65) return code === 36 || code === 64;\n // 65 through 91 are uppercase letters.\n if (code < 91) return true;\n // permit _ (95).\n if (code < 97) return code === 95;\n // 97 through 123 are lowercase letters.\n if (code < 123) return true;\n return code >= 0xaa && nonASCIIidentifierStart.test(String.fromCharCode(code));\n};\n\n// Test whether a given character is part of an identifier.\n\nexports.isIdentifierChar = function(code) {\n if (code < 48) return code === 36;\n if (code < 58) return true;\n if (code < 65) return false;\n if (code < 91) return true;\n if (code < 97) return code === 95;\n if (code < 123) return true;\n return code >= 0xaa && nonASCIIidentifier.test(String.fromCharCode(code));\n};\n\n\n/***/ }),\n/* 1 */\n/***/ (function(module, exports, __webpack_require__) {\n\n/*jshint curly:true, eqeqeq:true, laxbreak:true, noempty:false */\n/*\n\n The MIT License (MIT)\n\n Copyright (c) 2007-2017 Einar Lielmanis, Liam Newman, and contributors.\n\n Permission is hereby granted, free of charge, to any person\n obtaining a copy of this software and associated documentation files\n (the \"Software\"), to deal in the Software without restriction,\n including without limitation the rights to use, copy, modify, merge,\n publish, distribute, sublicense, and/or sell copies of the Software,\n and to permit persons to whom the Software is furnished to do so,\n subject to the following conditions:\n\n The above copyright notice and this permission notice shall be\n included in all copies or substantial portions of the Software.\n\n THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND,\n EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\n NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS\n BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN\n ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\n CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n SOFTWARE.\n*/\n\nvar mergeOpts = __webpack_require__(3).mergeOpts;\nvar acorn = __webpack_require__(0);\nvar Output = __webpack_require__(4).Output;\nvar Tokenizer = __webpack_require__(7).Tokenizer;\n\nfunction remove_redundant_indentation(output, frame) {\n // This implementation is effective but has some issues:\n // - can cause line wrap to happen too soon due to indent removal\n // after wrap points are calculated\n // These issues are minor compared to ugly indentation.\n\n if (frame.multiline_frame ||\n frame.mode === MODE.ForInitializer ||\n frame.mode === MODE.Conditional) {\n return;\n }\n\n // remove one indent from each line inside this section\n var start_index = frame.start_line_index;\n\n output.remove_indent(start_index);\n}\n\nfunction in_array(what, arr) {\n for (var i = 0; i < arr.length; i += 1) {\n if (arr[i] === what) {\n return true;\n }\n }\n return false;\n}\n\nfunction trim(s) {\n return s.replace(/^\\s+|\\s+$/g, '');\n}\n\nfunction ltrim(s) {\n return s.replace(/^\\s+/g, '');\n}\n\n// function rtrim(s) {\n// return s.replace(/\\s+$/g, '');\n// }\n\n\nfunction generateMapFromStrings(list) {\n var result = {};\n for (var x = 0; x < list.length; x++) {\n // make the mapped names underscored instead of dash\n result[list[x].replace(/-/g, '_')] = list[x];\n }\n return result;\n}\n\nfunction sanitizeOperatorPosition(opPosition) {\n opPosition = opPosition || OPERATOR_POSITION.before_newline;\n\n if (!in_array(opPosition, validPositionValues)) {\n throw new Error(\"Invalid Option Value: The option 'operator_position' must be one of the following values\\n\" +\n validPositionValues +\n \"\\nYou passed in: '\" + opPosition + \"'\");\n }\n\n return opPosition;\n}\n\nvar validPositionValues = ['before-newline', 'after-newline', 'preserve-newline'];\n\n// Generate map from array\nvar OPERATOR_POSITION = generateMapFromStrings(validPositionValues);\n\nvar OPERATOR_POSITION_BEFORE_OR_PRESERVE = [OPERATOR_POSITION.before_newline, OPERATOR_POSITION.preserve_newline];\n\nvar MODE = {\n BlockStatement: 'BlockStatement', // 'BLOCK'\n Statement: 'Statement', // 'STATEMENT'\n ObjectLiteral: 'ObjectLiteral', // 'OBJECT',\n ArrayLiteral: 'ArrayLiteral', //'[EXPRESSION]',\n ForInitializer: 'ForInitializer', //'(FOR-EXPRESSION)',\n Conditional: 'Conditional', //'(COND-EXPRESSION)',\n Expression: 'Expression' //'(EXPRESSION)'\n};\n\nfunction Beautifier(js_source_text, options) {\n \"use strict\";\n var output;\n var tokens = [],\n token_pos;\n var tokenizer;\n var current_token;\n var last_type, last_last_text, indent_string;\n var flags, previous_flags, flag_store;\n var prefix;\n\n var handlers, opt;\n var baseIndentString = '';\n\n handlers = {\n 'TK_START_EXPR': handle_start_expr,\n 'TK_END_EXPR': handle_end_expr,\n 'TK_START_BLOCK': handle_start_block,\n 'TK_END_BLOCK': handle_end_block,\n 'TK_WORD': handle_word,\n 'TK_RESERVED': handle_word,\n 'TK_SEMICOLON': handle_semicolon,\n 'TK_STRING': handle_string,\n 'TK_EQUALS': handle_equals,\n 'TK_OPERATOR': handle_operator,\n 'TK_COMMA': handle_comma,\n 'TK_BLOCK_COMMENT': handle_block_comment,\n 'TK_COMMENT': handle_comment,\n 'TK_DOT': handle_dot,\n 'TK_UNKNOWN': handle_unknown,\n 'TK_EOF': handle_eof\n };\n\n function create_flags(flags_base, mode) {\n var next_indent_level = 0;\n if (flags_base) {\n next_indent_level = flags_base.indentation_level;\n if (!output.just_added_newline() &&\n flags_base.line_indent_level > next_indent_level) {\n next_indent_level = flags_base.line_indent_level;\n }\n }\n\n var next_flags = {\n mode: mode,\n parent: flags_base,\n last_text: flags_base ? flags_base.last_text : '', // last token text\n last_word: flags_base ? flags_base.last_word : '', // last 'TK_WORD' passed\n declaration_statement: false,\n declaration_assignment: false,\n multiline_frame: false,\n inline_frame: false,\n if_block: false,\n else_block: false,\n do_block: false,\n do_while: false,\n import_block: false,\n in_case_statement: false, // switch(..){ INSIDE HERE }\n in_case: false, // we're on the exact line with \"case 0:\"\n case_body: false, // the indented case-action block\n indentation_level: next_indent_level,\n line_indent_level: flags_base ? flags_base.line_indent_level : next_indent_level,\n start_line_index: output.get_line_number(),\n ternary_depth: 0\n };\n return next_flags;\n }\n\n // Some interpreters have unexpected results with foo = baz || bar;\n options = options ? options : {};\n\n // Allow the setting of language/file-type specific options\n // with inheritance of overall settings\n options = mergeOpts(options, 'js');\n\n opt = {};\n\n // compatibility, re\n if (options.brace_style === \"expand-strict\") { //graceful handling of deprecated option\n options.brace_style = \"expand\";\n } else if (options.brace_style === \"collapse-preserve-inline\") { //graceful handling of deprecated option\n options.brace_style = \"collapse,preserve-inline\";\n } else if (options.braces_on_own_line !== undefined) { //graceful handling of deprecated option\n options.brace_style = options.braces_on_own_line ? \"expand\" : \"collapse\";\n } else if (!options.brace_style) //Nothing exists to set it\n {\n options.brace_style = \"collapse\";\n }\n\n\n var brace_style_split = options.brace_style.split(/[^a-zA-Z0-9_\\-]+/);\n opt.brace_style = brace_style_split[0];\n opt.brace_preserve_inline = brace_style_split[1] ? brace_style_split[1] : false;\n\n opt.indent_size = options.indent_size ? parseInt(options.indent_size, 10) : 4;\n opt.indent_char = options.indent_char ? options.indent_char : ' ';\n opt.eol = options.eol ? options.eol : 'auto';\n opt.preserve_newlines = (options.preserve_newlines === undefined) ? true : options.preserve_newlines;\n opt.unindent_chained_methods = (options.unindent_chained_methods === undefined) ? false : options.unindent_chained_methods;\n opt.break_chained_methods = (options.break_chained_methods === undefined) ? false : options.break_chained_methods;\n opt.max_preserve_newlines = (options.max_preserve_newlines === undefined) ? 0 : parseInt(options.max_preserve_newlines, 10);\n opt.space_in_paren = (options.space_in_paren === undefined) ? false : options.space_in_paren;\n opt.space_in_empty_paren = (options.space_in_empty_paren === undefined) ? false : options.space_in_empty_paren;\n opt.jslint_happy = (options.jslint_happy === undefined) ? false : options.jslint_happy;\n opt.space_after_anon_function = (options.space_after_anon_function === undefined) ? false : options.space_after_anon_function;\n opt.keep_array_indentation = (options.keep_array_indentation === undefined) ? false : options.keep_array_indentation;\n opt.space_before_conditional = (options.space_before_conditional === undefined) ? true : options.space_before_conditional;\n opt.unescape_strings = (options.unescape_strings === undefined) ? false : options.unescape_strings;\n opt.wrap_line_length = (options.wrap_line_length === undefined) ? 0 : parseInt(options.wrap_line_length, 10);\n opt.e4x = (options.e4x === undefined) ? false : options.e4x;\n opt.end_with_newline = (options.end_with_newline === undefined) ? false : options.end_with_newline;\n opt.comma_first = (options.comma_first === undefined) ? false : options.comma_first;\n opt.operator_position = sanitizeOperatorPosition(options.operator_position);\n\n // For testing of beautify ignore:start directive\n opt.test_output_raw = (options.test_output_raw === undefined) ? false : options.test_output_raw;\n\n // force opt.space_after_anon_function to true if opt.jslint_happy\n if (opt.jslint_happy) {\n opt.space_after_anon_function = true;\n }\n\n if (options.indent_with_tabs) {\n opt.indent_char = '\\t';\n opt.indent_size = 1;\n }\n\n if (opt.eol === 'auto') {\n opt.eol = '\\n';\n if (js_source_text && acorn.lineBreak.test(js_source_text || '')) {\n opt.eol = js_source_text.match(acorn.lineBreak)[0];\n }\n }\n\n opt.eol = opt.eol.replace(/\\\\r/, '\\r').replace(/\\\\n/, '\\n');\n\n //----------------------------------\n indent_string = '';\n while (opt.indent_size > 0) {\n indent_string += opt.indent_char;\n opt.indent_size -= 1;\n }\n\n var preindent_index = 0;\n if (js_source_text && js_source_text.length) {\n while ((js_source_text.charAt(preindent_index) === ' ' ||\n js_source_text.charAt(preindent_index) === '\\t')) {\n preindent_index += 1;\n }\n baseIndentString = js_source_text.substring(0, preindent_index);\n js_source_text = js_source_text.substring(preindent_index);\n }\n\n last_type = 'TK_START_BLOCK'; // last token type\n last_last_text = ''; // pre-last token text\n output = new Output(indent_string, baseIndentString);\n\n // If testing the ignore directive, start with output disable set to true\n output.raw = opt.test_output_raw;\n\n\n // Stack of parsing/formatting states, including MODE.\n // We tokenize, parse, and output in an almost purely a forward-only stream of token input\n // and formatted output. This makes the beautifier less accurate than full parsers\n // but also far more tolerant of syntax errors.\n //\n // For example, the default mode is MODE.BlockStatement. If we see a '{' we push a new frame of type\n // MODE.BlockStatement on the the stack, even though it could be object literal. If we later\n // encounter a \":\", we'll switch to to MODE.ObjectLiteral. If we then see a \";\",\n // most full parsers would die, but the beautifier gracefully falls back to\n // MODE.BlockStatement and continues on.\n flag_store = [];\n set_mode(MODE.BlockStatement);\n\n this.beautify = function() {\n\n /*jshint onevar:true */\n var sweet_code;\n tokenizer = new Tokenizer(js_source_text, opt, indent_string);\n tokens = tokenizer.tokenize();\n token_pos = 0;\n\n current_token = get_token();\n while (current_token) {\n handlers[current_token.type]();\n\n last_last_text = flags.last_text;\n last_type = current_token.type;\n flags.last_text = current_token.text;\n\n token_pos += 1;\n current_token = get_token();\n }\n\n sweet_code = output.get_code(opt.end_with_newline, opt.eol);\n\n return sweet_code;\n };\n\n function handle_whitespace_and_comments(local_token, preserve_statement_flags) {\n var newlines = local_token.newlines;\n var keep_whitespace = opt.keep_array_indentation && is_array(flags.mode);\n var temp_token = current_token;\n\n for (var h = 0; h < local_token.comments_before.length; h++) {\n // The cleanest handling of inline comments is to treat them as though they aren't there.\n // Just continue formatting and the behavior should be logical.\n // Also ignore unknown tokens. Again, this should result in better behavior.\n current_token = local_token.comments_before[h];\n handle_whitespace_and_comments(current_token, preserve_statement_flags);\n handlers[current_token.type](preserve_statement_flags);\n }\n current_token = temp_token;\n\n if (keep_whitespace) {\n for (var i = 0; i < newlines; i += 1) {\n print_newline(i > 0, preserve_statement_flags);\n }\n } else {\n if (opt.max_preserve_newlines && newlines > opt.max_preserve_newlines) {\n newlines = opt.max_preserve_newlines;\n }\n\n if (opt.preserve_newlines) {\n if (local_token.newlines > 1) {\n print_newline(false, preserve_statement_flags);\n for (var j = 1; j < newlines; j += 1) {\n print_newline(true, preserve_statement_flags);\n }\n }\n }\n }\n\n }\n\n // we could use just string.split, but\n // IE doesn't like returning empty strings\n function split_linebreaks(s) {\n //return s.split(/\\x0d\\x0a|\\x0a/);\n\n s = s.replace(acorn.allLineBreaks, '\\n');\n var out = [],\n idx = s.indexOf(\"\\n\");\n while (idx !== -1) {\n out.push(s.substring(0, idx));\n s = s.substring(idx + 1);\n idx = s.indexOf(\"\\n\");\n }\n if (s.length) {\n out.push(s);\n }\n return out;\n }\n\n var newline_restricted_tokens = ['break', 'continue', 'return', 'throw', 'yield'];\n\n function allow_wrap_or_preserved_newline(force_linewrap) {\n force_linewrap = (force_linewrap === undefined) ? false : force_linewrap;\n\n // Never wrap the first token on a line\n if (output.just_added_newline()) {\n return;\n }\n\n var shouldPreserveOrForce = (opt.preserve_newlines && current_token.wanted_newline) || force_linewrap;\n var operatorLogicApplies = in_array(flags.last_text, tokenizer.positionable_operators) || in_array(current_token.text, tokenizer.positionable_operators);\n\n if (operatorLogicApplies) {\n var shouldPrintOperatorNewline = (\n in_array(flags.last_text, tokenizer.positionable_operators) &&\n in_array(opt.operator_position, OPERATOR_POSITION_BEFORE_OR_PRESERVE)\n ) ||\n in_array(current_token.text, tokenizer.positionable_operators);\n shouldPreserveOrForce = shouldPreserveOrForce && shouldPrintOperatorNewline;\n }\n\n if (shouldPreserveOrForce) {\n print_newline(false, true);\n } else if (opt.wrap_line_length) {\n if (last_type === 'TK_RESERVED' && in_array(flags.last_text, newline_restricted_tokens)) {\n // These tokens should never have a newline inserted\n // between them and the following expression.\n return;\n }\n var proposed_line_length = output.current_line.get_character_count() + current_token.text.length +\n (output.space_before_token ? 1 : 0);\n if (proposed_line_length >= opt.wrap_line_length) {\n print_newline(false, true);\n }\n }\n }\n\n function print_newline(force_newline, preserve_statement_flags) {\n if (!preserve_statement_flags) {\n if (flags.last_text !== ';' && flags.last_text !== ',' && flags.last_text !== '=' && last_type !== 'TK_OPERATOR') {\n var next_token = get_token(1);\n while (flags.mode === MODE.Statement &&\n !(flags.if_block && next_token && next_token.type === 'TK_RESERVED' && next_token.text === 'else') &&\n !flags.do_block) {\n restore_mode();\n }\n }\n }\n\n if (output.add_new_line(force_newline)) {\n flags.multiline_frame = true;\n }\n }\n\n function print_token_line_indentation() {\n if (output.just_added_newline()) {\n if (opt.keep_array_indentation && is_array(flags.mode) && current_token.wanted_newline) {\n output.current_line.push(current_token.whitespace_before);\n output.space_before_token = false;\n } else if (output.set_indent(flags.indentation_level)) {\n flags.line_indent_level = flags.indentation_level;\n }\n }\n }\n\n function print_token(printable_token) {\n if (output.raw) {\n output.add_raw_token(current_token);\n return;\n }\n\n if (opt.comma_first && last_type === 'TK_COMMA' &&\n output.just_added_newline()) {\n if (output.previous_line.last() === ',') {\n var popped = output.previous_line.pop();\n // if the comma was already at the start of the line,\n // pull back onto that line and reprint the indentation\n if (output.previous_line.is_empty()) {\n output.previous_line.push(popped);\n output.trim(true);\n output.current_line.pop();\n output.trim();\n }\n\n // add the comma in front of the next token\n print_token_line_indentation();\n output.add_token(',');\n output.space_before_token = true;\n }\n }\n\n printable_token = printable_token || current_token.text;\n print_token_line_indentation();\n output.add_token(printable_token);\n }\n\n function indent() {\n flags.indentation_level += 1;\n }\n\n function deindent() {\n if (flags.indentation_level > 0 &&\n ((!flags.parent) || flags.indentation_level > flags.parent.indentation_level)) {\n flags.indentation_level -= 1;\n\n }\n }\n\n function set_mode(mode) {\n if (flags) {\n flag_store.push(flags);\n previous_flags = flags;\n } else {\n previous_flags = create_flags(null, mode);\n }\n\n flags = create_flags(previous_flags, mode);\n }\n\n function is_array(mode) {\n return mode === MODE.ArrayLiteral;\n }\n\n function is_expression(mode) {\n return in_array(mode, [MODE.Expression, MODE.ForInitializer, MODE.Conditional]);\n }\n\n function restore_mode() {\n if (flag_store.length > 0) {\n previous_flags = flags;\n flags = flag_store.pop();\n if (previous_flags.mode === MODE.Statement && !opt.unindent_chained_methods) {\n remove_redundant_indentation(output, previous_flags);\n }\n }\n }\n\n function start_of_object_property() {\n return flags.parent.mode === MODE.ObjectLiteral && flags.mode === MODE.Statement && (\n (flags.last_text === ':' && flags.ternary_depth === 0) || (last_type === 'TK_RESERVED' && in_array(flags.last_text, ['get', 'set'])));\n }\n\n function start_of_statement() {\n if (\n (last_type === 'TK_RESERVED' && in_array(flags.last_text, ['var', 'let', 'const']) && current_token.type === 'TK_WORD') ||\n (last_type === 'TK_RESERVED' && flags.last_text === 'do') ||\n (last_type === 'TK_RESERVED' && in_array(flags.last_text, newline_restricted_tokens) && !current_token.wanted_newline) ||\n (last_type === 'TK_RESERVED' && flags.last_text === 'else' &&\n !(current_token.type === 'TK_RESERVED' && current_token.text === 'if' && !current_token.comments_before.length)) ||\n (last_type === 'TK_END_EXPR' && (previous_flags.mode === MODE.ForInitializer || previous_flags.mode === MODE.Conditional)) ||\n (last_type === 'TK_WORD' && flags.mode === MODE.BlockStatement &&\n !flags.in_case &&\n !(current_token.text === '--' || current_token.text === '++') &&\n last_last_text !== 'function' &&\n current_token.type !== 'TK_WORD' && current_token.type !== 'TK_RESERVED') ||\n (flags.mode === MODE.ObjectLiteral && (\n (flags.last_text === ':' && flags.ternary_depth === 0) || (last_type === 'TK_RESERVED' && in_array(flags.last_text, ['get', 'set']))))\n ) {\n\n set_mode(MODE.Statement);\n if (!opt.unindent_chained_methods) {\n indent();\n }\n\n handle_whitespace_and_comments(current_token, true);\n\n // Issue #276:\n // If starting a new statement with [if, for, while, do], push to a new line.\n // if (a) if (b) if(c) d(); else e(); else f();\n if (!start_of_object_property()) {\n allow_wrap_or_preserved_newline(\n current_token.type === 'TK_RESERVED' && in_array(current_token.text, ['do', 'for', 'if', 'while']));\n }\n\n return true;\n }\n return false;\n }\n\n function all_lines_start_with(lines, c) {\n for (var i = 0; i < lines.length; i++) {\n var line = trim(lines[i]);\n if (line.charAt(0) !== c) {\n return false;\n }\n }\n return true;\n }\n\n function each_line_matches_indent(lines, indent) {\n var i = 0,\n len = lines.length,\n line;\n for (; i < len; i++) {\n line = lines[i];\n // allow empty lines to pass through\n if (line && line.indexOf(indent) !== 0) {\n return false;\n }\n }\n return true;\n }\n\n function is_special_word(word) {\n return in_array(word, ['case', 'return', 'do', 'if', 'throw', 'else']);\n }\n\n function get_token(offset) {\n var index = token_pos + (offset || 0);\n return (index < 0 || index >= tokens.length) ? null : tokens[index];\n }\n\n function handle_start_expr() {\n // The conditional starts the statement if appropriate.\n if (!start_of_statement()) {\n handle_whitespace_and_comments(current_token);\n }\n\n var next_mode = MODE.Expression;\n if (current_token.text === '[') {\n\n if (last_type === 'TK_WORD' || flags.last_text === ')') {\n // this is array index specifier, break immediately\n // a[x], fn()[x]\n if (last_type === 'TK_RESERVED' && in_array(flags.last_text, tokenizer.line_starters)) {\n output.space_before_token = true;\n }\n set_mode(next_mode);\n print_token();\n indent();\n if (opt.space_in_paren) {\n output.space_before_token = true;\n }\n return;\n }\n\n next_mode = MODE.ArrayLiteral;\n if (is_array(flags.mode)) {\n if (flags.last_text === '[' ||\n (flags.last_text === ',' && (last_last_text === ']' || last_last_text === '}'))) {\n // ], [ goes to new line\n // }, [ goes to new line\n if (!opt.keep_array_indentation) {\n print_newline();\n }\n }\n }\n\n } else {\n if (last_type === 'TK_RESERVED' && flags.last_text === 'for') {\n next_mode = MODE.ForInitializer;\n } else if (last_type === 'TK_RESERVED' && in_array(flags.last_text, ['if', 'while'])) {\n next_mode = MODE.Conditional;\n } else {\n // next_mode = MODE.Expression;\n }\n }\n\n if (flags.last_text === ';' || last_type === 'TK_START_BLOCK') {\n print_newline();\n } else if (last_type === 'TK_END_EXPR' || last_type === 'TK_START_EXPR' || last_type === 'TK_END_BLOCK' || flags.last_text === '.') {\n // TODO: Consider whether forcing this is required. Review failing tests when removed.\n allow_wrap_or_preserved_newline(current_token.wanted_newline);\n // do nothing on (( and )( and ][ and ]( and .(\n } else if (!(last_type === 'TK_RESERVED' && current_token.text === '(') && last_type !== 'TK_WORD' && last_type !== 'TK_OPERATOR') {\n output.space_before_token = true;\n } else if ((last_type === 'TK_RESERVED' && (flags.last_word === 'function' || flags.last_word === 'typeof')) ||\n (flags.last_text === '*' &&\n (in_array(last_last_text, ['function', 'yield']) ||\n (flags.mode === MODE.ObjectLiteral && in_array(last_last_text, ['{', ',']))))) {\n // function() vs function ()\n // yield*() vs yield* ()\n // function*() vs function* ()\n if (opt.space_after_anon_function) {\n output.space_before_token = true;\n }\n } else if (last_type === 'TK_RESERVED' && (in_array(flags.last_text, tokenizer.line_starters) || flags.last_text === 'catch')) {\n if (opt.space_before_conditional) {\n output.space_before_token = true;\n }\n }\n\n // Should be a space between await and an IIFE, or async and an arrow function\n if (current_token.text === '(' && last_type === 'TK_RESERVED' && in_array(flags.last_word, ['await', 'async'])) {\n output.space_before_token = true;\n }\n\n // Support of this kind of newline preservation.\n // a = (b &&\n // (c || d));\n if (current_token.text === '(') {\n if (last_type === 'TK_EQUALS' || last_type === 'TK_OPERATOR') {\n if (!start_of_object_property()) {\n allow_wrap_or_preserved_newline();\n }\n }\n }\n\n // Support preserving wrapped arrow function expressions\n // a.b('c',\n // () => d.e\n // )\n if (current_token.text === '(' && last_type !== 'TK_WORD' && last_type !== 'TK_RESERVED') {\n allow_wrap_or_preserved_newline();\n }\n\n set_mode(next_mode);\n print_token();\n if (opt.space_in_paren) {\n output.space_before_token = true;\n }\n\n // In all cases, if we newline while inside an expression it should be indented.\n indent();\n }\n\n function handle_end_expr() {\n // statements inside expressions are not valid syntax, but...\n // statements must all be closed when their container closes\n while (flags.mode === MODE.Statement) {\n restore_mode();\n }\n\n handle_whitespace_and_comments(current_token);\n\n if (flags.multiline_frame) {\n allow_wrap_or_preserved_newline(current_token.text === ']' && is_array(flags.mode) && !opt.keep_array_indentation);\n }\n\n if (opt.space_in_paren) {\n if (last_type === 'TK_START_EXPR' && !opt.space_in_empty_paren) {\n // () [] no inner space in empty parens like these, ever, ref #320\n output.trim();\n output.space_before_token = false;\n } else {\n output.space_before_token = true;\n }\n }\n if (current_token.text === ']' && opt.keep_array_indentation) {\n print_token();\n restore_mode();\n } else {\n restore_mode();\n print_token();\n }\n remove_redundant_indentation(output, previous_flags);\n\n // do {} while () // no statement required after\n if (flags.do_while && previous_flags.mode === MODE.Conditional) {\n previous_flags.mode = MODE.Expression;\n flags.do_block = false;\n flags.do_while = false;\n\n }\n }\n\n function handle_start_block() {\n handle_whitespace_and_comments(current_token);\n\n // Check if this is should be treated as a ObjectLiteral\n var next_token = get_token(1);\n var second_token = get_token(2);\n if (second_token && (\n (in_array(second_token.text, [':', ',']) && in_array(next_token.type, ['TK_STRING', 'TK_WORD', 'TK_RESERVED'])) ||\n (in_array(next_token.text, ['get', 'set', '...']) && in_array(second_token.type, ['TK_WORD', 'TK_RESERVED']))\n )) {\n // We don't support TypeScript,but we didn't break it for a very long time.\n // We'll try to keep not breaking it.\n if (!in_array(last_last_text, ['class', 'interface'])) {\n set_mode(MODE.ObjectLiteral);\n } else {\n set_mode(MODE.BlockStatement);\n }\n } else if (last_type === 'TK_OPERATOR' && flags.last_text === '=>') {\n // arrow function: (param1, paramN) => { statements }\n set_mode(MODE.BlockStatement);\n } else if (in_array(last_type, ['TK_EQUALS', 'TK_START_EXPR', 'TK_COMMA', 'TK_OPERATOR']) ||\n (last_type === 'TK_RESERVED' && in_array(flags.last_text, ['return', 'throw', 'import', 'default']))\n ) {\n // Detecting shorthand function syntax is difficult by scanning forward,\n // so check the surrounding context.\n // If the block is being returned, imported, export default, passed as arg,\n // assigned with = or assigned in a nested object, treat as an ObjectLiteral.\n set_mode(MODE.ObjectLiteral);\n } else {\n set_mode(MODE.BlockStatement);\n }\n\n var empty_braces = !next_token.comments_before.length && next_token.text === '}';\n var empty_anonymous_function = empty_braces && flags.last_word === 'function' &&\n last_type === 'TK_END_EXPR';\n\n if (opt.brace_preserve_inline) // check for inline, set inline_frame if so\n {\n // search forward for a newline wanted inside this block\n var index = 0;\n var check_token = null;\n flags.inline_frame = true;\n do {\n index += 1;\n check_token = get_token(index);\n if (check_token.wanted_newline) {\n flags.inline_frame = false;\n break;\n }\n } while (check_token.type !== 'TK_EOF' &&\n !(check_token.type === 'TK_END_BLOCK' && check_token.opened === current_token));\n }\n\n if ((opt.brace_style === \"expand\" ||\n (opt.brace_style === \"none\" && current_token.wanted_newline)) &&\n !flags.inline_frame) {\n if (last_type !== 'TK_OPERATOR' &&\n (empty_anonymous_function ||\n last_type === 'TK_EQUALS' ||\n (last_type === 'TK_RESERVED' && is_special_word(flags.last_text) && flags.last_text !== 'else'))) {\n output.space_before_token = true;\n } else {\n print_newline(false, true);\n }\n } else { // collapse || inline_frame\n if (is_array(previous_flags.mode) && (last_type === 'TK_START_EXPR' || last_type === 'TK_COMMA')) {\n if (last_type === 'TK_COMMA' || opt.space_in_paren) {\n output.space_before_token = true;\n }\n\n if (last_type === 'TK_COMMA' || (last_type === 'TK_START_EXPR' && flags.inline_frame)) {\n allow_wrap_or_preserved_newline();\n previous_flags.multiline_frame = previous_flags.multiline_frame || flags.multiline_frame;\n flags.multiline_frame = false;\n }\n }\n if (last_type !== 'TK_OPERATOR' && last_type !== 'TK_START_EXPR') {\n if (last_type === 'TK_START_BLOCK' && !flags.inline_frame) {\n print_newline();\n } else {\n output.space_before_token = true;\n }\n }\n }\n print_token();\n indent();\n }\n\n function handle_end_block() {\n // statements must all be closed when their container closes\n handle_whitespace_and_comments(current_token);\n\n while (flags.mode === MODE.Statement) {\n restore_mode();\n }\n\n var empty_braces = last_type === 'TK_START_BLOCK';\n\n if (flags.inline_frame && !empty_braces) { // try inline_frame (only set if opt.braces-preserve-inline) first\n output.space_before_token = true;\n } else if (opt.brace_style === \"expand\") {\n if (!empty_braces) {\n print_newline();\n }\n } else {\n // skip {}\n if (!empty_braces) {\n if (is_array(flags.mode) && opt.keep_array_indentation) {\n // we REALLY need a newline here, but newliner would skip that\n opt.keep_array_indentation = false;\n print_newline();\n opt.keep_array_indentation = true;\n\n } else {\n print_newline();\n }\n }\n }\n restore_mode();\n print_token();\n }\n\n function handle_word() {\n if (current_token.type === 'TK_RESERVED') {\n if (in_array(current_token.text, ['set', 'get']) && flags.mode !== MODE.ObjectLiteral) {\n current_token.type = 'TK_WORD';\n } else if (in_array(current_token.text, ['as', 'from']) && !flags.import_block) {\n current_token.type = 'TK_WORD';\n } else if (flags.mode === MODE.ObjectLiteral) {\n var next_token = get_token(1);\n if (next_token.text === ':') {\n current_token.type = 'TK_WORD';\n }\n }\n }\n\n if (start_of_statement()) {\n // The conditional starts the statement if appropriate.\n if (last_type === 'TK_RESERVED' && in_array(flags.last_text, ['var', 'let', 'const']) && current_token.type === 'TK_WORD') {\n flags.declaration_statement = true;\n }\n } else if (current_token.wanted_newline && !is_expression(flags.mode) &&\n (last_type !== 'TK_OPERATOR' || (flags.last_text === '--' || flags.last_text === '++')) &&\n last_type !== 'TK_EQUALS' &&\n (opt.preserve_newlines || !(last_type === 'TK_RESERVED' && in_array(flags.last_text, ['var', 'let', 'const', 'set', 'get'])))) {\n handle_whitespace_and_comments(current_token);\n print_newline();\n } else {\n handle_whitespace_and_comments(current_token);\n }\n\n if (flags.do_block && !flags.do_while) {\n if (current_token.type === 'TK_RESERVED' && current_token.text === 'while') {\n // do {} ## while ()\n output.space_before_token = true;\n print_token();\n output.space_before_token = true;\n flags.do_while = true;\n return;\n } else {\n // do {} should always have while as the next word.\n // if we don't see the expected while, recover\n print_newline();\n flags.do_block = false;\n }\n }\n\n // if may be followed by else, or not\n // Bare/inline ifs are tricky\n // Need to unwind the modes correctly: if (a) if (b) c(); else d(); else e();\n if (flags.if_block) {\n if (!flags.else_block && (current_token.type === 'TK_RESERVED' && current_token.text === 'else')) {\n flags.else_block = true;\n } else {\n while (flags.mode === MODE.Statement) {\n restore_mode();\n }\n flags.if_block = false;\n flags.else_block = false;\n }\n }\n\n if (current_token.type === 'TK_RESERVED' && (current_token.text === 'case' || (current_token.text === 'default' && flags.in_case_statement))) {\n print_newline();\n if (flags.case_body || opt.jslint_happy) {\n // switch cases following one another\n deindent();\n flags.case_body = false;\n }\n print_token();\n flags.in_case = true;\n flags.in_case_statement = true;\n return;\n }\n\n if (last_type === 'TK_COMMA' || last_type === 'TK_START_EXPR' || last_type === 'TK_EQUALS' || last_type === 'TK_OPERATOR') {\n if (!start_of_object_property()) {\n allow_wrap_or_preserved_newline();\n }\n }\n\n if (current_token.type === 'TK_RESERVED' && current_token.text === 'function') {\n if (in_array(flags.last_text, ['}', ';']) ||\n (output.just_added_newline() && !(in_array(flags.last_text, ['(', '[', '{', ':', '=', ',']) || last_type === 'TK_OPERATOR'))) {\n // make sure there is a nice clean space of at least one blank line\n // before a new function definition\n if (!output.just_added_blankline() && !current_token.comments_before.length) {\n print_newline();\n print_newline(true);\n }\n }\n if (last_type === 'TK_RESERVED' || last_type === 'TK_WORD') {\n if (last_type === 'TK_RESERVED' && (\n in_array(flags.last_text, ['get', 'set', 'new', 'export', 'async']) ||\n in_array(flags.last_text, newline_restricted_tokens))) {\n output.space_before_token = true;\n } else if (last_type === 'TK_RESERVED' && flags.last_text === 'default' && last_last_text === 'export') {\n output.space_before_token = true;\n } else {\n print_newline();\n }\n } else if (last_type === 'TK_OPERATOR' || flags.last_text === '=') {\n // foo = function\n output.space_before_token = true;\n } else if (!flags.multiline_frame && (is_expression(flags.mode) || is_array(flags.mode))) {\n // (function\n } else {\n print_newline();\n }\n\n print_token();\n flags.last_word = current_token.text;\n return;\n }\n\n prefix = 'NONE';\n\n if (last_type === 'TK_END_BLOCK') {\n\n if (previous_flags.inline_frame) {\n prefix = 'SPACE';\n } else if (!(current_token.type === 'TK_RESERVED' && in_array(current_token.text, ['else', 'catch', 'finally', 'from']))) {\n prefix = 'NEWLINE';\n } else {\n if (opt.brace_style === \"expand\" ||\n opt.brace_style === \"end-expand\" ||\n (opt.brace_style === \"none\" && current_token.wanted_newline)) {\n prefix = 'NEWLINE';\n } else {\n prefix = 'SPACE';\n output.space_before_token = true;\n }\n }\n } else if (last_type === 'TK_SEMICOLON' && flags.mode === MODE.BlockStatement) {\n // TODO: Should this be for STATEMENT as well?\n prefix = 'NEWLINE';\n } else if (last_type === 'TK_SEMICOLON' && is_expression(flags.mode)) {\n prefix = 'SPACE';\n } else if (last_type === 'TK_STRING') {\n prefix = 'NEWLINE';\n } else if (last_type === 'TK_RESERVED' || last_type === 'TK_WORD' ||\n (flags.last_text === '*' &&\n (in_array(last_last_text, ['function', 'yield']) ||\n (flags.mode === MODE.ObjectLiteral && in_array(last_last_text, ['{', ',']))))) {\n prefix = 'SPACE';\n } else if (last_type === 'TK_START_BLOCK') {\n if (flags.inline_frame) {\n prefix = 'SPACE';\n } else {\n prefix = 'NEWLINE';\n }\n } else if (last_type === 'TK_END_EXPR') {\n output.space_before_token = true;\n prefix = 'NEWLINE';\n }\n\n if (current_token.type === 'TK_RESERVED' && in_array(current_token.text, tokenizer.line_starters) && flags.last_text !== ')') {\n if (flags.inline_frame || flags.last_text === 'else' || flags.last_text === 'export') {\n prefix = 'SPACE';\n } else {\n prefix = 'NEWLINE';\n }\n\n }\n\n if (current_token.type === 'TK_RESERVED' && in_array(current_token.text, ['else', 'catch', 'finally'])) {\n if ((!(last_type === 'TK_END_BLOCK' && previous_flags.mode === MODE.BlockStatement) ||\n opt.brace_style === \"expand\" ||\n opt.brace_style === \"end-expand\" ||\n (opt.brace_style === \"none\" && current_token.wanted_newline)) &&\n !flags.inline_frame) {\n print_newline();\n } else {\n output.trim(true);\n var line = output.current_line;\n // If we trimmed and there's something other than a close block before us\n // put a newline back in. Handles '} // comment' scenario.\n if (line.last() !== '}') {\n print_newline();\n }\n output.space_before_token = true;\n }\n } else if (prefix === 'NEWLINE') {\n if (last_type === 'TK_RESERVED' && is_special_word(flags.last_text)) {\n // no newline between 'return nnn'\n output.space_before_token = true;\n } else if (last_type !== 'TK_END_EXPR') {\n if ((last_type !== 'TK_START_EXPR' || !(current_token.type === 'TK_RESERVED' && in_array(current_token.text, ['var', 'let', 'const']))) && flags.last_text !== ':') {\n // no need to force newline on 'var': for (var x = 0...)\n if (current_token.type === 'TK_RESERVED' && current_token.text === 'if' && flags.last_text === 'else') {\n // no newline for } else if {\n output.space_before_token = true;\n } else {\n print_newline();\n }\n }\n } else if (current_token.type === 'TK_RESERVED' && in_array(current_token.text, tokenizer.line_starters) && flags.last_text !== ')') {\n print_newline();\n }\n } else if (flags.multiline_frame && is_array(flags.mode) && flags.last_text === ',' && last_last_text === '}') {\n print_newline(); // }, in lists get a newline treatment\n } else if (prefix === 'SPACE') {\n output.space_before_token = true;\n }\n print_token();\n flags.last_word = current_token.text;\n\n if (current_token.type === 'TK_RESERVED') {\n if (current_token.text === 'do') {\n flags.do_block = true;\n } else if (current_token.text === 'if') {\n flags.if_block = true;\n } else if (current_token.text === 'import') {\n flags.import_block = true;\n } else if (flags.import_block && current_token.type === 'TK_RESERVED' && current_token.text === 'from') {\n flags.import_block = false;\n }\n }\n }\n\n function handle_semicolon() {\n if (start_of_statement()) {\n // The conditional starts the statement if appropriate.\n // Semicolon can be the start (and end) of a statement\n output.space_before_token = false;\n } else {\n handle_whitespace_and_comments(current_token);\n }\n\n var next_token = get_token(1);\n while (flags.mode === MODE.Statement &&\n !(flags.if_block && next_token && next_token.type === 'TK_RESERVED' && next_token.text === 'else') &&\n !flags.do_block) {\n restore_mode();\n }\n\n // hacky but effective for the moment\n if (flags.import_block) {\n flags.import_block = false;\n }\n print_token();\n }\n\n function handle_string() {\n if (start_of_statement()) {\n // The conditional starts the statement if appropriate.\n // One difference - strings want at least a space before\n output.space_before_token = true;\n } else {\n handle_whitespace_and_comments(current_token);\n if (last_type === 'TK_RESERVED' || last_type === 'TK_WORD' || flags.inline_frame) {\n output.space_before_token = true;\n } else if (last_type === 'TK_COMMA' || last_type === 'TK_START_EXPR' || last_type === 'TK_EQUALS' || last_type === 'TK_OPERATOR') {\n if (!start_of_object_property()) {\n allow_wrap_or_preserved_newline();\n }\n } else {\n print_newline();\n }\n }\n print_token();\n }\n\n function handle_equals() {\n if (start_of_statement()) {\n // The conditional starts the statement if appropriate.\n } else {\n handle_whitespace_and_comments(current_token);\n }\n\n if (flags.declaration_statement) {\n // just got an '=' in a var-line, different formatting/line-breaking, etc will now be done\n flags.declaration_assignment = true;\n }\n output.space_before_token = true;\n print_token();\n output.space_before_token = true;\n }\n\n function handle_comma() {\n handle_whitespace_and_comments(current_token, true);\n\n print_token();\n output.space_before_token = true;\n if (flags.declaration_statement) {\n if (is_expression(flags.parent.mode)) {\n // do not break on comma, for(var a = 1, b = 2)\n flags.declaration_assignment = false;\n }\n\n if (flags.declaration_assignment) {\n flags.declaration_assignment = false;\n print_newline(false, true);\n } else if (opt.comma_first) {\n // for comma-first, we want to allow a newline before the comma\n // to turn into a newline after the comma, which we will fixup later\n allow_wrap_or_preserved_newline();\n }\n } else if (flags.mode === MODE.ObjectLiteral ||\n (flags.mode === MODE.Statement && flags.parent.mode === MODE.ObjectLiteral)) {\n if (flags.mode === MODE.Statement) {\n restore_mode();\n }\n\n if (!flags.inline_frame) {\n print_newline();\n }\n } else if (opt.comma_first) {\n // EXPR or DO_BLOCK\n // for comma-first, we want to allow a newline before the comma\n // to turn into a newline after the comma, which we will fixup later\n allow_wrap_or_preserved_newline();\n }\n }\n\n function handle_operator() {\n var isGeneratorAsterisk = current_token.text === '*' &&\n ((last_type === 'TK_RESERVED' && in_array(flags.last_text, ['function', 'yield'])) ||\n (in_array(last_type, ['TK_START_BLOCK', 'TK_COMMA', 'TK_END_BLOCK', 'TK_SEMICOLON']))\n );\n var isUnary = in_array(current_token.text, ['-', '+']) && (\n in_array(last_type, ['TK_START_BLOCK', 'TK_START_EXPR', 'TK_EQUALS', 'TK_OPERATOR']) ||\n in_array(flags.last_text, tokenizer.line_starters) ||\n flags.last_text === ','\n );\n\n if (start_of_statement()) {\n // The conditional starts the statement if appropriate.\n } else {\n var preserve_statement_flags = !isGeneratorAsterisk;\n handle_whitespace_and_comments(current_token, preserve_statement_flags);\n }\n\n if (last_type === 'TK_RESERVED' && is_special_word(flags.last_text)) {\n // \"return\" had a special handling in TK_WORD. Now we need to return the favor\n output.space_before_token = true;\n print_token();\n return;\n }\n\n // hack for actionscript's import .*;\n if (current_token.text === '*' && last_type === 'TK_DOT') {\n print_token();\n return;\n }\n\n if (current_token.text === '::') {\n // no spaces around exotic namespacing syntax operator\n print_token();\n return;\n }\n\n // Allow line wrapping between operators when operator_position is\n // set to before or preserve\n if (last_type === 'TK_OPERATOR' && in_array(opt.operator_position, OPERATOR_POSITION_BEFORE_OR_PRESERVE)) {\n allow_wrap_or_preserved_newline();\n }\n\n if (current_token.text === ':' && flags.in_case) {\n flags.case_body = true;\n indent();\n print_token();\n print_newline();\n flags.in_case = false;\n return;\n }\n\n var space_before = true;\n var space_after = true;\n var in_ternary = false;\n if (current_token.text === ':') {\n if (flags.ternary_depth === 0) {\n // Colon is invalid javascript outside of ternary and object, but do our best to guess what was meant.\n space_before = false;\n } else {\n flags.ternary_depth -= 1;\n in_ternary = true;\n }\n } else if (current_token.text === '?') {\n flags.ternary_depth += 1;\n }\n\n // let's handle the operator_position option prior to any conflicting logic\n if (!isUnary && !isGeneratorAsterisk && opt.preserve_newlines && in_array(current_token.text, tokenizer.positionable_operators)) {\n var isColon = current_token.text === ':';\n var isTernaryColon = (isColon && in_ternary);\n var isOtherColon = (isColon && !in_ternary);\n\n switch (opt.operator_position) {\n case OPERATOR_POSITION.before_newline:\n // if the current token is : and it's not a ternary statement then we set space_before to false\n output.space_before_token = !isOtherColon;\n\n print_token();\n\n if (!isColon || isTernaryColon) {\n allow_wrap_or_preserved_newline();\n }\n\n output.space_before_token = true;\n return;\n\n case OPERATOR_POSITION.after_newline:\n // if the current token is anything but colon, or (via deduction) it's a colon and in a ternary statement,\n // then print a newline.\n\n output.space_before_token = true;\n\n if (!isColon || isTernaryColon) {\n if (get_token(1).wanted_newline) {\n print_newline(false, true);\n } else {\n allow_wrap_or_preserved_newline();\n }\n } else {\n output.space_before_token = false;\n }\n\n print_token();\n\n output.space_before_token = true;\n return;\n\n case OPERATOR_POSITION.preserve_newline:\n if (!isOtherColon) {\n allow_wrap_or_preserved_newline();\n }\n\n // if we just added a newline, or the current token is : and it's not a ternary statement,\n // then we set space_before to false\n space_before = !(output.just_added_newline() || isOtherColon);\n\n output.space_before_token = space_before;\n print_token();\n output.space_before_token = true;\n return;\n }\n }\n\n if (isGeneratorAsterisk) {\n allow_wrap_or_preserved_newline();\n space_before = false;\n var next_token = get_token(1);\n space_after = next_token && in_array(next_token.type, ['TK_WORD', 'TK_RESERVED']);\n } else if (current_token.text === '...') {\n allow_wrap_or_preserved_newline();\n space_before = last_type === 'TK_START_BLOCK';\n space_after = false;\n } else if (in_array(current_token.text, ['--', '++', '!', '~']) || isUnary) {\n // unary operators (and binary +/- pretending to be unary) special cases\n\n space_before = false;\n space_after = false;\n\n // http://www.ecma-international.org/ecma-262/5.1/#sec-7.9.1\n // if there is a newline between -- or ++ and anything else we should preserve it.\n if (current_token.wanted_newline && (current_token.text === '--' || current_token.text === '++')) {\n print_newline(false, true);\n }\n\n if (flags.last_text === ';' && is_expression(flags.mode)) {\n // for (;; ++i)\n // ^^^\n space_before = true;\n }\n\n if (last_type === 'TK_RESERVED') {\n space_before = true;\n } else if (last_type === 'TK_END_EXPR') {\n space_before = !(flags.last_text === ']' && (current_token.text === '--' || current_token.text === '++'));\n } else if (last_type === 'TK_OPERATOR') {\n // a++ + ++b;\n // a - -b\n space_before = in_array(current_token.text, ['--', '-', '++', '+']) && in_array(flags.last_text, ['--', '-', '++', '+']);\n // + and - are not unary when preceeded by -- or ++ operator\n // a-- + b\n // a * +b\n // a - -b\n if (in_array(current_token.text, ['+', '-']) && in_array(flags.last_text, ['--', '++'])) {\n space_after = true;\n }\n }\n\n\n if (((flags.mode === MODE.BlockStatement && !flags.inline_frame) || flags.mode === MODE.Statement) &&\n (flags.last_text === '{' || flags.last_text === ';')) {\n // { foo; --i }\n // foo(); --bar;\n print_newline();\n }\n }\n\n output.space_before_token = output.space_before_token || space_before;\n print_token();\n output.space_before_token = space_after;\n }\n\n function handle_block_comment(preserve_statement_flags) {\n if (output.raw) {\n output.add_raw_token(current_token);\n if (current_token.directives && current_token.directives.preserve === 'end') {\n // If we're testing the raw output behavior, do not allow a directive to turn it off.\n output.raw = opt.test_output_raw;\n }\n return;\n }\n\n if (current_token.directives) {\n print_newline(false, preserve_statement_flags);\n print_token();\n if (current_token.directives.preserve === 'start') {\n output.raw = true;\n }\n print_newline(false, true);\n return;\n }\n\n // inline block\n if (!acorn.newline.test(current_token.text) && !current_token.wanted_newline) {\n output.space_before_token = true;\n print_token();\n output.space_before_token = true;\n return;\n }\n\n var lines = split_linebreaks(current_token.text);\n var j; // iterator for this case\n var javadoc = false;\n var starless = false;\n var lastIndent = current_token.whitespace_before;\n var lastIndentLength = lastIndent.length;\n\n // block comment starts with a new line\n print_newline(false, preserve_statement_flags);\n if (lines.length > 1) {\n javadoc = all_lines_start_with(lines.slice(1), '*');\n starless = each_line_matches_indent(lines.slice(1), lastIndent);\n }\n\n // first line always indented\n print_token(lines[0]);\n for (j = 1; j < lines.length; j++) {\n print_newline(false, true);\n if (javadoc) {\n // javadoc: reformat and re-indent\n print_token(' ' + ltrim(lines[j]));\n } else if (starless && lines[j].length > lastIndentLength) {\n // starless: re-indent non-empty content, avoiding trim\n print_token(lines[j].substring(lastIndentLength));\n } else {\n // normal comments output raw\n output.add_token(lines[j]);\n }\n }\n\n // for comments of more than one line, make sure there's a new line after\n print_newline(false, preserve_statement_flags);\n }\n\n function handle_comment(preserve_statement_flags) {\n if (current_token.wanted_newline) {\n print_newline(false, preserve_statement_flags);\n } else {\n output.trim(true);\n }\n\n output.space_before_token = true;\n print_token();\n print_newline(false, preserve_statement_flags);\n }\n\n function handle_dot() {\n if (start_of_statement()) {\n // The conditional starts the statement if appropriate.\n } else {\n handle_whitespace_and_comments(current_token, true);\n }\n\n if (last_type === 'TK_RESERVED' && is_special_word(flags.last_text)) {\n output.space_before_token = true;\n } else {\n // allow preserved newlines before dots in general\n // force newlines on dots after close paren when break_chained - for bar().baz()\n allow_wrap_or_preserved_newline(flags.last_text === ')' && opt.break_chained_methods);\n }\n\n print_token();\n }\n\n function handle_unknown(preserve_statement_flags) {\n print_token();\n\n if (current_token.text[current_token.text.length - 1] === '\\n') {\n print_newline(false, preserve_statement_flags);\n }\n }\n\n function handle_eof() {\n // Unwind any open statements\n while (flags.mode === MODE.Statement) {\n restore_mode();\n }\n handle_whitespace_and_comments(current_token);\n }\n}\n\nmodule.exports.Beautifier = Beautifier;\n\n/***/ }),\n/* 2 */\n/***/ (function(module, exports) {\n\n/*jshint curly:true, eqeqeq:true, laxbreak:true, noempty:false */\n/*\n\n The MIT License (MIT)\n\n Copyright (c) 2007-2017 Einar Lielmanis, Liam Newman, and contributors.\n\n Permission is hereby granted, free of charge, to any person\n obtaining a copy of this software and associated documentation files\n (the \"Software\"), to deal in the Software without restriction,\n including without limitation the rights to use, copy, modify, merge,\n publish, distribute, sublicense, and/or sell copies of the Software,\n and to permit persons to whom the Software is furnished to do so,\n subject to the following conditions:\n\n The above copyright notice and this permission notice shall be\n included in all copies or substantial portions of the Software.\n\n THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND,\n EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\n NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS\n BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN\n ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\n CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n SOFTWARE.\n*/\n\nfunction InputScanner(input) {\n var _input = input;\n var _input_length = _input.length;\n var _position = 0;\n\n this.back = function() {\n _position -= 1;\n };\n\n this.hasNext = function() {\n return _position < _input_length;\n };\n\n this.next = function() {\n var val = null;\n if (this.hasNext()) {\n val = _input.charAt(_position);\n _position += 1;\n }\n return val;\n };\n\n this.peek = function(index) {\n var val = null;\n index = index || 0;\n index += _position;\n if (index >= 0 && index < _input_length) {\n val = _input.charAt(index);\n }\n return val;\n };\n\n this.peekCharCode = function(index) {\n var val = 0;\n index = index || 0;\n index += _position;\n if (index >= 0 && index < _input_length) {\n val = _input.charCodeAt(index);\n }\n return val;\n };\n\n this.test = function(pattern, index) {\n index = index || 0;\n pattern.lastIndex = _position + index;\n return pattern.test(_input);\n };\n\n this.testChar = function(pattern, index) {\n var val = this.peek(index);\n return val !== null && pattern.test(val);\n };\n\n this.match = function(pattern) {\n pattern.lastIndex = _position;\n var pattern_match = pattern.exec(_input);\n if (pattern_match && pattern_match.index === _position) {\n _position += pattern_match[0].length;\n } else {\n pattern_match = null;\n }\n return pattern_match;\n };\n}\n\n\nmodule.exports.InputScanner = InputScanner;\n\n\n/***/ }),\n/* 3 */\n/***/ (function(module, exports) {\n\n/*jshint curly:true, eqeqeq:true, laxbreak:true, noempty:false */\n/*\n\n The MIT License (MIT)\n\n Copyright (c) 2007-2017 Einar Lielmanis, Liam Newman, and contributors.\n\n Permission is hereby granted, free of charge, to any person\n obtaining a copy of this software and associated documentation files\n (the \"Software\"), to deal in the Software without restriction,\n including without limitation the rights to use, copy, modify, merge,\n publish, distribute, sublicense, and/or sell copies of the Software,\n and to permit persons to whom the Software is furnished to do so,\n subject to the following conditions:\n\n The above copyright notice and this permission notice shall be\n included in all copies or substantial portions of the Software.\n\n THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND,\n EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\n NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS\n BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN\n ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\n CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n SOFTWARE.\n*/\n\nfunction mergeOpts(allOptions, targetType) {\n var finalOpts = {};\n var name;\n\n for (name in allOptions) {\n if (name !== targetType) {\n finalOpts[name] = allOptions[name];\n }\n }\n\n //merge in the per type settings for the targetType\n if (targetType in allOptions) {\n for (name in allOptions[targetType]) {\n finalOpts[name] = allOptions[targetType][name];\n }\n }\n return finalOpts;\n}\n\nmodule.exports.mergeOpts = mergeOpts;\n\n\n/***/ }),\n/* 4 */\n/***/ (function(module, exports) {\n\n/*jshint curly:true, eqeqeq:true, laxbreak:true, noempty:false */\n/*\n\n The MIT License (MIT)\n\n Copyright (c) 2007-2017 Einar Lielmanis, Liam Newman, and contributors.\n\n Permission is hereby granted, free of charge, to any person\n obtaining a copy of this software and associated documentation files\n (the \"Software\"), to deal in the Software without restriction,\n including without limitation the rights to use, copy, modify, merge,\n publish, distribute, sublicense, and/or sell copies of the Software,\n and to permit persons to whom the Software is furnished to do so,\n subject to the following conditions:\n\n The above copyright notice and this permission notice shall be\n included in all copies or substantial portions of the Software.\n\n THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND,\n EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\n NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS\n BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN\n ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\n CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n SOFTWARE.\n*/\n\nfunction OutputLine(parent) {\n var _character_count = 0;\n // use indent_count as a marker for lines that have preserved indentation\n var _indent_count = -1;\n\n var _items = [];\n var _empty = true;\n\n this.set_indent = function(level) {\n _character_count = parent.baseIndentLength + level * parent.indent_length;\n _indent_count = level;\n };\n\n this.get_character_count = function() {\n return _character_count;\n };\n\n this.is_empty = function() {\n return _empty;\n };\n\n this.last = function() {\n if (!this._empty) {\n return _items[_items.length - 1];\n } else {\n return null;\n }\n };\n\n this.push = function(input) {\n _items.push(input);\n _character_count += input.length;\n _empty = false;\n };\n\n this.pop = function() {\n var item = null;\n if (!_empty) {\n item = _items.pop();\n _character_count -= item.length;\n _empty = _items.length === 0;\n }\n return item;\n };\n\n this.remove_indent = function() {\n if (_indent_count > 0) {\n _indent_count -= 1;\n _character_count -= parent.indent_length;\n }\n };\n\n this.trim = function() {\n while (this.last() === ' ') {\n _items.pop();\n _character_count -= 1;\n }\n _empty = _items.length === 0;\n };\n\n this.toString = function() {\n var result = '';\n if (!this._empty) {\n if (_indent_count >= 0) {\n result = parent.indent_cache[_indent_count];\n }\n result += _items.join('');\n }\n return result;\n };\n}\n\nfunction Output(indent_string, baseIndentString) {\n baseIndentString = baseIndentString || '';\n this.indent_cache = [baseIndentString];\n this.baseIndentLength = baseIndentString.length;\n this.indent_length = indent_string.length;\n this.raw = false;\n\n var lines = [];\n this.baseIndentString = baseIndentString;\n this.indent_string = indent_string;\n this.previous_line = null;\n this.current_line = null;\n this.space_before_token = false;\n\n this.add_outputline = function() {\n this.previous_line = this.current_line;\n this.current_line = new OutputLine(this);\n lines.push(this.current_line);\n };\n\n // initialize\n this.add_outputline();\n\n\n this.get_line_number = function() {\n return lines.length;\n };\n\n // Using object instead of string to allow for later expansion of info about each line\n this.add_new_line = function(force_newline) {\n if (this.get_line_number() === 1 && this.just_added_newline()) {\n return false; // no newline on start of file\n }\n\n if (force_newline || !this.just_added_newline()) {\n if (!this.raw) {\n this.add_outputline();\n }\n return true;\n }\n\n return false;\n };\n\n this.get_code = function(end_with_newline, eol) {\n var sweet_code = lines.join('\\n').replace(/[\\r\\n\\t ]+$/, '');\n\n if (end_with_newline) {\n sweet_code += '\\n';\n }\n\n if (eol !== '\\n') {\n sweet_code = sweet_code.replace(/[\\n]/g, eol);\n }\n\n return sweet_code;\n };\n\n this.set_indent = function(level) {\n // Never indent your first output indent at the start of the file\n if (lines.length > 1) {\n while (level >= this.indent_cache.length) {\n this.indent_cache.push(this.indent_cache[this.indent_cache.length - 1] + this.indent_string);\n }\n\n this.current_line.set_indent(level);\n return true;\n }\n this.current_line.set_indent(0);\n return false;\n };\n\n this.add_raw_token = function(token) {\n for (var x = 0; x < token.newlines; x++) {\n this.add_outputline();\n }\n this.current_line.push(token.whitespace_before);\n this.current_line.push(token.text);\n this.space_before_token = false;\n };\n\n this.add_token = function(printable_token) {\n this.add_space_before_token();\n this.current_line.push(printable_token);\n };\n\n this.add_space_before_token = function() {\n if (this.space_before_token && !this.just_added_newline()) {\n this.current_line.push(' ');\n }\n this.space_before_token = false;\n };\n\n this.remove_indent = function(index) {\n var output_length = lines.length;\n while (index < output_length) {\n lines[index].remove_indent();\n index++;\n }\n };\n\n this.trim = function(eat_newlines) {\n eat_newlines = (eat_newlines === undefined) ? false : eat_newlines;\n\n this.current_line.trim(indent_string, baseIndentString);\n\n while (eat_newlines && lines.length > 1 &&\n this.current_line.is_empty()) {\n lines.pop();\n this.current_line = lines[lines.length - 1];\n this.current_line.trim();\n }\n\n this.previous_line = lines.length > 1 ? lines[lines.length - 2] : null;\n };\n\n this.just_added_newline = function() {\n return this.current_line.is_empty();\n };\n\n this.just_added_blankline = function() {\n if (this.just_added_newline()) {\n if (lines.length === 1) {\n return true; // start of the file and newline = blank\n }\n\n var line = lines[lines.length - 2];\n return line.is_empty();\n }\n return false;\n };\n}\n\nmodule.exports.Output = Output;\n\n\n/***/ }),\n/* 5 */\n/***/ (function(module, exports) {\n\n/*jshint curly:true, eqeqeq:true, laxbreak:true, noempty:false */\n/*\n\n The MIT License (MIT)\n\n Copyright (c) 2007-2017 Einar Lielmanis, Liam Newman, and contributors.\n\n Permission is hereby granted, free of charge, to any person\n obtaining a copy of this software and associated documentation files\n (the \"Software\"), to deal in the Software without restriction,\n including without limitation the rights to use, copy, modify, merge,\n publish, distribute, sublicense, and/or sell copies of the Software,\n and to permit persons to whom the Software is furnished to do so,\n subject to the following conditions:\n\n The above copyright notice and this permission notice shall be\n included in all copies or substantial portions of the Software.\n\n THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND,\n EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\n NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS\n BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN\n ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\n CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n SOFTWARE.\n*/\n\nfunction Token(type, text, newlines, whitespace_before, parent) {\n this.type = type;\n this.text = text;\n\n // comments_before are\n // comments that have a new line before them\n // and may or may not have a newline after\n // this is a set of comments before\n this.comments_before = /* inline comment*/ [];\n\n\n this.comments_after = []; // no new line before and newline after\n this.newlines = newlines || 0;\n this.wanted_newline = newlines > 0;\n this.whitespace_before = whitespace_before || '';\n this.parent = parent || null;\n this.opened = null;\n this.directives = null;\n}\n\nmodule.exports.Token = Token;\n\n\n/***/ }),\n/* 6 */\n/***/ (function(module, exports, __webpack_require__) {\n\n/*jshint curly:true, eqeqeq:true, laxbreak:true, noempty:false */\n/*\n\n The MIT License (MIT)\n\n Copyright (c) 2007-2017 Einar Lielmanis, Liam Newman, and contributors.\n\n Permission is hereby granted, free of charge, to any person\n obtaining a copy of this software and associated documentation files\n (the \"Software\"), to deal in the Software without restriction,\n including without limitation the rights to use, copy, modify, merge,\n publish, distribute, sublicense, and/or sell copies of the Software,\n and to permit persons to whom the Software is furnished to do so,\n subject to the following conditions:\n\n The above copyright notice and this permission notice shall be\n included in all copies or substantial portions of the Software.\n\n THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND,\n EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\n NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS\n BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN\n ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\n CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n SOFTWARE.\n*/\n\nvar Beautifier = __webpack_require__(1).Beautifier;\n\nfunction js_beautify(js_source_text, options) {\n var beautifier = new Beautifier(js_source_text, options);\n return beautifier.beautify();\n}\n\nmodule.exports = js_beautify;\n\n/***/ }),\n/* 7 */\n/***/ (function(module, exports, __webpack_require__) {\n\n/*jshint curly:true, eqeqeq:true, laxbreak:true, noempty:false */\n/*\n\n The MIT License (MIT)\n\n Copyright (c) 2007-2017 Einar Lielmanis, Liam Newman, and contributors.\n\n Permission is hereby granted, free of charge, to any person\n obtaining a copy of this software and associated documentation files\n (the \"Software\"), to deal in the Software without restriction,\n including without limitation the rights to use, copy, modify, merge,\n publish, distribute, sublicense, and/or sell copies of the Software,\n and to permit persons to whom the Software is furnished to do so,\n subject to the following conditions:\n\n The above copyright notice and this permission notice shall be\n included in all copies or substantial portions of the Software.\n\n THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND,\n EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\n NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS\n BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN\n ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\n CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n SOFTWARE.\n*/\n\nvar InputScanner = __webpack_require__(2).InputScanner;\nvar Token = __webpack_require__(5).Token;\nvar acorn = __webpack_require__(0);\n\nfunction trim(s) {\n return s.replace(/^\\s+|\\s+$/g, '');\n}\n\nfunction in_array(what, arr) {\n for (var i = 0; i < arr.length; i += 1) {\n if (arr[i] === what) {\n return true;\n }\n }\n return false;\n}\n\nfunction Tokenizer(input_string, opts) {\n\n var whitespace = \"\\n\\r\\t \".split('');\n var digit = /[0-9]/;\n var digit_bin = /[01]/;\n var digit_oct = /[01234567]/;\n var digit_hex = /[0123456789abcdefABCDEF]/;\n\n this.positionable_operators = '!= !== % & && * ** + - / : < << <= == === > >= >> >>> ? ^ | ||'.split(' ');\n var punct = this.positionable_operators.concat(\n // non-positionable operators - these do not follow operator position settings\n '! %= &= *= **= ++ += , -- -= /= :: <<= = => >>= >>>= ^= |= ~ ...'.split(' '));\n\n // words which should always start on new line.\n this.line_starters = 'continue,try,throw,return,var,let,const,if,switch,case,default,for,while,break,function,import,export'.split(',');\n var reserved_words = this.line_starters.concat(['do', 'in', 'of', 'else', 'get', 'set', 'new', 'catch', 'finally', 'typeof', 'yield', 'async', 'await', 'from', 'as']);\n\n // /* ... */ comment ends with nearest */ or end of file\n var block_comment_pattern = /([\\s\\S]*?)((?:\\*\\/)|$)/g;\n\n // comment ends just before nearest linefeed or end of file\n var comment_pattern = /([^\\n\\r\\u2028\\u2029]*)/g;\n\n var directives_block_pattern = /\\/\\* beautify( \\w+[:]\\w+)+ \\*\\//g;\n var directive_pattern = / (\\w+)[:](\\w+)/g;\n var directives_end_ignore_pattern = /([\\s\\S]*?)((?:\\/\\*\\sbeautify\\signore:end\\s\\*\\/)|$)/g;\n\n var template_pattern = /((<\\?php|<\\?=)[\\s\\S]*?\\?>)|(<%[\\s\\S]*?%>)/g;\n\n var n_newlines, whitespace_before_token, in_html_comment, tokens;\n var input;\n\n this.tokenize = function() {\n input = new InputScanner(input_string);\n in_html_comment = false;\n tokens = [];\n\n var next, last;\n var token_values;\n var open = null;\n var open_stack = [];\n var comments = [];\n\n while (!(last && last.type === 'TK_EOF')) {\n token_values = tokenize_next();\n next = new Token(token_values[1], token_values[0], n_newlines, whitespace_before_token);\n while (next.type === 'TK_COMMENT' || next.type === 'TK_BLOCK_COMMENT' || next.type === 'TK_UNKNOWN') {\n if (next.type === 'TK_BLOCK_COMMENT') {\n next.directives = token_values[2];\n }\n comments.push(next);\n token_values = tokenize_next();\n next = new Token(token_values[1], token_values[0], n_newlines, whitespace_before_token);\n }\n\n if (comments.length) {\n next.comments_before = comments;\n comments = [];\n }\n\n if (next.type === 'TK_START_BLOCK' || next.type === 'TK_START_EXPR') {\n next.parent = last;\n open_stack.push(open);\n open = next;\n } else if ((next.type === 'TK_END_BLOCK' || next.type === 'TK_END_EXPR') &&\n (open && (\n (next.text === ']' && open.text === '[') ||\n (next.text === ')' && open.text === '(') ||\n (next.text === '}' && open.text === '{')))) {\n next.parent = open.parent;\n next.opened = open;\n\n open = open_stack.pop();\n }\n\n tokens.push(next);\n last = next;\n }\n\n return tokens;\n };\n\n function get_directives(text) {\n if (!text.match(directives_block_pattern)) {\n return null;\n }\n\n var directives = {};\n directive_pattern.lastIndex = 0;\n var directive_match = directive_pattern.exec(text);\n\n while (directive_match) {\n directives[directive_match[1]] = directive_match[2];\n directive_match = directive_pattern.exec(text);\n }\n\n return directives;\n }\n\n function tokenize_next() {\n var resulting_string;\n var whitespace_on_this_line = [];\n\n n_newlines = 0;\n whitespace_before_token = '';\n\n var c = input.next();\n\n if (c === null) {\n return ['', 'TK_EOF'];\n }\n\n var last_token;\n if (tokens.length) {\n last_token = tokens[tokens.length - 1];\n } else {\n // For the sake of tokenizing we can pretend that there was on open brace to start\n last_token = new Token('TK_START_BLOCK', '{');\n }\n\n while (in_array(c, whitespace)) {\n\n if (acorn.newline.test(c)) {\n if (!(c === '\\n' && input.peek(-2) === '\\r')) {\n n_newlines += 1;\n whitespace_on_this_line = [];\n }\n } else {\n whitespace_on_this_line.push(c);\n }\n\n c = input.next();\n\n if (c === null) {\n return ['', 'TK_EOF'];\n }\n }\n\n if (whitespace_on_this_line.length) {\n whitespace_before_token = whitespace_on_this_line.join('');\n }\n\n if (digit.test(c) || (c === '.' && input.testChar(digit))) {\n var allow_decimal = true;\n var allow_e = true;\n var local_digit = digit;\n\n if (c === '0' && input.testChar(/[XxOoBb]/)) {\n // switch to hex/oct/bin number, no decimal or e, just hex/oct/bin digits\n allow_decimal = false;\n allow_e = false;\n if (input.testChar(/[Bb]/)) {\n local_digit = digit_bin;\n } else if (input.testChar(/[Oo]/)) {\n local_digit = digit_oct;\n } else {\n local_digit = digit_hex;\n }\n c += input.next();\n } else if (c === '.') {\n // Already have a decimal for this literal, don't allow another\n allow_decimal = false;\n } else {\n // we know this first loop will run. It keeps the logic simpler.\n c = '';\n input.back();\n }\n\n // Add the digits\n while (input.testChar(local_digit)) {\n c += input.next();\n\n if (allow_decimal && input.peek() === '.') {\n c += input.next();\n allow_decimal = false;\n }\n\n // a = 1.e-7 is valid, so we test for . then e in one loop\n if (allow_e && input.testChar(/[Ee]/)) {\n c += input.next();\n\n if (input.testChar(/[+-]/)) {\n c += input.next();\n }\n\n allow_e = false;\n allow_decimal = false;\n }\n }\n\n return [c, 'TK_WORD'];\n }\n\n if (acorn.isIdentifierStart(input.peekCharCode(-1))) {\n if (input.hasNext()) {\n while (acorn.isIdentifierChar(input.peekCharCode())) {\n c += input.next();\n if (!input.hasNext()) {\n break;\n }\n }\n }\n\n if (!(last_token.type === 'TK_DOT' ||\n (last_token.type === 'TK_RESERVED' && in_array(last_token.text, ['set', 'get']))) &&\n in_array(c, reserved_words)) {\n if (c === 'in' || c === 'of') { // hack for 'in' and 'of' operators\n return [c, 'TK_OPERATOR'];\n }\n return [c, 'TK_RESERVED'];\n }\n\n return [c, 'TK_WORD'];\n }\n\n if (c === '(' || c === '[') {\n return [c, 'TK_START_EXPR'];\n }\n\n if (c === ')' || c === ']') {\n return [c, 'TK_END_EXPR'];\n }\n\n if (c === '{') {\n return [c, 'TK_START_BLOCK'];\n }\n\n if (c === '}') {\n return [c, 'TK_END_BLOCK'];\n }\n\n if (c === ';') {\n return [c, 'TK_SEMICOLON'];\n }\n\n if (c === '/') {\n var comment = '';\n var comment_match;\n // peek for comment /* ... */\n if (input.peek() === '*') {\n input.next();\n comment_match = input.match(block_comment_pattern);\n comment = '/*' + comment_match[0];\n var directives = get_directives(comment);\n if (directives && directives.ignore === 'start') {\n comment_match = input.match(directives_end_ignore_pattern);\n comment += comment_match[0];\n }\n comment = comment.replace(acorn.allLineBreaks, '\\n');\n return [comment, 'TK_BLOCK_COMMENT', directives];\n }\n // peek for comment // ...\n if (input.peek() === '/') {\n input.next();\n comment_match = input.match(comment_pattern);\n comment = '//' + comment_match[0];\n return [comment, 'TK_COMMENT'];\n }\n\n }\n\n var startXmlRegExp = /<()([-a-zA-Z:0-9_.]+|{[\\s\\S]+?}|!\\[CDATA\\[[\\s\\S]*?\\]\\])(\\s+{[\\s\\S]+?}|\\s+[-a-zA-Z:0-9_.]+|\\s+[-a-zA-Z:0-9_.]+\\s*=\\s*('[^']*'|\"[^\"]*\"|{[\\s\\S]+?}))*\\s*(\\/?)\\s*>/g;\n\n if (c === '`' || c === \"'\" || c === '\"' || // string\n (\n (c === '/') || // regexp\n (opts.e4x && c === \"<\" && input.test(startXmlRegExp, -1)) // xml\n ) && ( // regex and xml can only appear in specific locations during parsing\n (last_token.type === 'TK_RESERVED' && in_array(last_token.text, ['return', 'case', 'throw', 'else', 'do', 'typeof', 'yield'])) ||\n (last_token.type === 'TK_END_EXPR' && last_token.text === ')' &&\n last_token.parent && last_token.parent.type === 'TK_RESERVED' && in_array(last_token.parent.text, ['if', 'while', 'for'])) ||\n (in_array(last_token.type, ['TK_COMMENT', 'TK_START_EXPR', 'TK_START_BLOCK',\n 'TK_END_BLOCK', 'TK_OPERATOR', 'TK_EQUALS', 'TK_EOF', 'TK_SEMICOLON', 'TK_COMMA'\n ]))\n )) {\n\n var sep = c,\n esc = false,\n has_char_escapes = false;\n\n resulting_string = c;\n\n if (sep === '/') {\n //\n // handle regexp\n //\n var in_char_class = false;\n while (input.hasNext() &&\n ((esc || in_char_class || input.peek() !== sep) &&\n !input.testChar(acorn.newline))) {\n resulting_string += input.peek();\n if (!esc) {\n esc = input.peek() === '\\\\';\n if (input.peek() === '[') {\n in_char_class = true;\n } else if (input.peek() === ']') {\n in_char_class = false;\n }\n } else {\n esc = false;\n }\n input.next();\n }\n } else if (opts.e4x && sep === '<') {\n //\n // handle e4x xml literals\n //\n\n var xmlRegExp = /[\\s\\S]*?<(\\/?)([-a-zA-Z:0-9_.]+|{[\\s\\S]+?}|!\\[CDATA\\[[\\s\\S]*?\\]\\])(\\s+{[\\s\\S]+?}|\\s+[-a-zA-Z:0-9_.]+|\\s+[-a-zA-Z:0-9_.]+\\s*=\\s*('[^']*'|\"[^\"]*\"|{[\\s\\S]+?}))*\\s*(\\/?)\\s*>/g;\n input.back();\n var xmlStr = '';\n var match = input.match(startXmlRegExp);\n if (match) {\n // Trim root tag to attempt to\n var rootTag = match[2].replace(/^{\\s+/, '{').replace(/\\s+}$/, '}');\n var isCurlyRoot = rootTag.indexOf('{') === 0;\n var depth = 0;\n while (match) {\n var isEndTag = !!match[1];\n var tagName = match[2];\n var isSingletonTag = (!!match[match.length - 1]) || (tagName.slice(0, 8) === \"![CDATA[\");\n if (!isSingletonTag &&\n (tagName === rootTag || (isCurlyRoot && tagName.replace(/^{\\s+/, '{').replace(/\\s+}$/, '}')))) {\n if (isEndTag) {\n --depth;\n } else {\n ++depth;\n }\n }\n xmlStr += match[0];\n if (depth <= 0) {\n break;\n }\n match = input.match(xmlRegExp);\n }\n // if we didn't close correctly, keep unformatted.\n if (!match) {\n xmlStr += input.match(/[\\s\\S]*/g)[0];\n }\n xmlStr = xmlStr.replace(acorn.allLineBreaks, '\\n');\n return [xmlStr, \"TK_STRING\"];\n }\n } else {\n //\n // handle string\n //\n var parse_string = function(delimiter, allow_unescaped_newlines, start_sub) {\n // Template strings can travers lines without escape characters.\n // Other strings cannot\n var current_char;\n while (input.hasNext()) {\n current_char = input.peek();\n if (!(esc || (current_char !== delimiter &&\n (allow_unescaped_newlines || !acorn.newline.test(current_char))))) {\n break;\n }\n\n // Handle \\r\\n linebreaks after escapes or in template strings\n if ((esc || allow_unescaped_newlines) && acorn.newline.test(current_char)) {\n if (current_char === '\\r' && input.peek(1) === '\\n') {\n input.next();\n current_char = input.peek();\n }\n resulting_string += '\\n';\n } else {\n resulting_string += current_char;\n }\n\n if (esc) {\n if (current_char === 'x' || current_char === 'u') {\n has_char_escapes = true;\n }\n esc = false;\n } else {\n esc = current_char === '\\\\';\n }\n\n input.next();\n\n if (start_sub && resulting_string.indexOf(start_sub, resulting_string.length - start_sub.length) !== -1) {\n if (delimiter === '`') {\n parse_string('}', allow_unescaped_newlines, '`');\n } else {\n parse_string('`', allow_unescaped_newlines, '${');\n }\n\n if (input.hasNext()) {\n resulting_string += input.next();\n }\n }\n }\n };\n\n if (sep === '`') {\n parse_string('`', true, '${');\n } else {\n parse_string(sep);\n }\n }\n\n if (has_char_escapes && opts.unescape_strings) {\n resulting_string = unescape_string(resulting_string);\n }\n\n if (input.peek() === sep) {\n resulting_string += sep;\n input.next();\n\n if (sep === '/') {\n // regexps may have modifiers /regexp/MOD , so fetch those, too\n // Only [gim] are valid, but if the user puts in garbage, do what we can to take it.\n while (input.hasNext() && acorn.isIdentifierStart(input.peekCharCode())) {\n resulting_string += input.next();\n }\n }\n }\n return [resulting_string, 'TK_STRING'];\n }\n\n if (c === '#') {\n\n if (tokens.length === 0 && input.peek() === '!') {\n // shebang\n resulting_string = c;\n while (input.hasNext() && c !== '\\n') {\n c = input.next();\n resulting_string += c;\n }\n return [trim(resulting_string) + '\\n', 'TK_UNKNOWN'];\n }\n\n\n\n // Spidermonkey-specific sharp variables for circular references\n // https://developer.mozilla.org/En/Sharp_variables_in_JavaScript\n // http://mxr.mozilla.org/mozilla-central/source/js/src/jsscan.cpp around line 1935\n var sharp = '#';\n if (input.hasNext() && input.testChar(digit)) {\n do {\n c = input.next();\n sharp += c;\n } while (input.hasNext() && c !== '#' && c !== '=');\n if (c === '#') {\n //\n } else if (input.peek() === '[' && input.peek(1) === ']') {\n sharp += '[]';\n input.next();\n input.next();\n } else if (input.peek() === '{' && input.peek(1) === '}') {\n sharp += '{}';\n input.next();\n input.next();\n }\n return [sharp, 'TK_WORD'];\n }\n }\n\n if (c === '<' && (input.peek() === '?' || input.peek() === '%')) {\n input.back();\n var template_match = input.match(template_pattern);\n if (template_match) {\n c = template_match[0];\n c = c.replace(acorn.allLineBreaks, '\\n');\n return [c, 'TK_STRING'];\n }\n }\n\n if (c === '<' && input.match(/\\!--/g)) {\n c = '\x3c!--';\n while (input.hasNext() && !input.testChar(acorn.newline)) {\n c += input.next();\n }\n in_html_comment = true;\n return [c, 'TK_COMMENT'];\n }\n\n if (c === '-' && in_html_comment && input.match(/->/g)) {\n in_html_comment = false;\n return ['--\x3e', 'TK_COMMENT'];\n }\n\n if (c === '.') {\n if (input.peek() === '.' && input.peek(1) === '.') {\n c += input.next() + input.next();\n return [c, 'TK_OPERATOR'];\n }\n return [c, 'TK_DOT'];\n }\n\n if (in_array(c, punct)) {\n while (input.hasNext() && in_array(c + input.peek(), punct)) {\n c += input.next();\n if (!input.hasNext()) {\n break;\n }\n }\n\n if (c === ',') {\n return [c, 'TK_COMMA'];\n } else if (c === '=') {\n return [c, 'TK_EQUALS'];\n } else {\n return [c, 'TK_OPERATOR'];\n }\n }\n\n return [c, 'TK_UNKNOWN'];\n }\n\n\n function unescape_string(s) {\n // You think that a regex would work for this\n // return s.replace(/\\\\x([0-9a-f]{2})/gi, function(match, val) {\n // return String.fromCharCode(parseInt(val, 16));\n // })\n // However, dealing with '\\xff', '\\\\xff', '\\\\\\xff' makes this more fun.\n var out = '',\n escaped = 0;\n\n var input_scan = new InputScanner(s);\n var matched = null;\n\n while (input_scan.hasNext()) {\n // Keep any whitespace, non-slash characters\n // also keep slash pairs.\n matched = input_scan.match(/([\\s]|[^\\\\]|\\\\\\\\)+/g);\n\n if (matched) {\n out += matched[0];\n }\n\n if (input_scan.peek() === '\\\\') {\n input_scan.next();\n if (input_scan.peek() === 'x') {\n matched = input_scan.match(/x([0-9A-Fa-f]{2})/g);\n } else if (input_scan.peek() === 'u') {\n matched = input_scan.match(/u([0-9A-Fa-f]{4})/g);\n } else {\n out += '\\\\';\n if (input_scan.hasNext()) {\n out += input_scan.next();\n }\n continue;\n }\n\n // If there's some error decoding, return the original string\n if (!matched) {\n return s;\n }\n\n escaped = parseInt(matched[1], 16);\n\n if (escaped > 0x7e && escaped <= 0xff && matched[0].indexOf('x') === 0) {\n // we bail out on \\x7f..\\xff,\n // leaving whole string escaped,\n // as it's probably completely binary\n return s;\n } else if (escaped >= 0x00 && escaped < 0x20) {\n // leave 0x00...0x1f escaped\n out += '\\\\' + matched[0];\n continue;\n } else if (escaped === 0x22 || escaped === 0x27 || escaped === 0x5c) {\n // single-quote, apostrophe, backslash - escape these\n out += '\\\\' + String.fromCharCode(escaped);\n } else {\n out += String.fromCharCode(escaped);\n }\n }\n }\n\n return out;\n }\n}\n\nmodule.exports.Tokenizer = Tokenizer;\n\n/***/ })\n/******/ ]);\nvar js_beautify = legacy_beautify_js;\n/* Footer */\nif (true) {\n // Add support for AMD ( https://github.com/amdjs/amdjs-api/wiki/AMD#defineamd-property- )\n !(__WEBPACK_AMD_DEFINE_ARRAY__ = [], __WEBPACK_AMD_DEFINE_RESULT__ = function() {\n return { js_beautify: js_beautify };\n }.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__),\n\t\t\t\t__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));\n} else if (typeof exports !== \"undefined\") {\n // Add support for CommonJS. Just put this file somewhere on your require.paths\n // and you will be able to `var js_beautify = require(\"beautify\").js_beautify`.\n exports.js_beautify = js_beautify;\n} else if (typeof window !== \"undefined\") {\n // If we're running a web page and don't have either of the above, add our one global\n window.js_beautify = js_beautify;\n} else if (typeof global !== \"undefined\") {\n // If we don't even have window, try global.\n global.js_beautify = js_beautify;\n}\n\n}());\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/js-beautify/js/lib/beautify.js\n// module id = 17\n// module chunks = 0\n\n//# sourceURL=webpack:///./node_modules/js-beautify/js/lib/beautify.js?")},function(module,exports,__webpack_require__){eval("var __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;/*jshint curly:false, eqeqeq:true, laxbreak:true, noempty:false */\n/* AUTO-GENERATED. DO NOT MODIFY. */\n/*\n\n The MIT License (MIT)\n\n Copyright (c) 2007-2017 Einar Lielmanis, Liam Newman, and contributors.\n\n Permission is hereby granted, free of charge, to any person\n obtaining a copy of this software and associated documentation files\n (the \"Software\"), to deal in the Software without restriction,\n including without limitation the rights to use, copy, modify, merge,\n publish, distribute, sublicense, and/or sell copies of the Software,\n and to permit persons to whom the Software is furnished to do so,\n subject to the following conditions:\n\n The above copyright notice and this permission notice shall be\n included in all copies or substantial portions of the Software.\n\n THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND,\n EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\n NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS\n BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN\n ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\n CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n SOFTWARE.\n\n\n CSS Beautifier\n---------------\n\n Written by Harutyun Amirjanyan, (amirjanyan@gmail.com)\n\n Based on code initially developed by: Einar Lielmanis, \n http://jsbeautifier.org/\n\n Usage:\n css_beautify(source_text);\n css_beautify(source_text, options);\n\n The options are (default in brackets):\n indent_size (4) — indentation size,\n indent_char (space) — character to indent with,\n selector_separator_newline (true) - separate selectors with newline or\n not (e.g. \"a,\\nbr\" or \"a, br\")\n end_with_newline (false) - end with a newline\n newline_between_rules (true) - add a new line after every css rule\n space_around_selector_separator (false) - ensure space around selector separators:\n '>', '+', '~' (e.g. \"a>b\" -> \"a > b\")\n e.g\n\n css_beautify(css_source_text, {\n 'indent_size': 1,\n 'indent_char': '\\t',\n 'selector_separator': ' ',\n 'end_with_newline': false,\n 'newline_between_rules': true,\n 'space_around_selector_separator': true\n });\n*/\n\n// http://www.w3.org/TR/CSS21/syndata.html#tokenization\n// http://www.w3.org/TR/css3-syntax/\n\n(function() {\nvar legacy_beautify_css =\n/******/ (function(modules) { // webpackBootstrap\n/******/ \t// The module cache\n/******/ \tvar installedModules = {};\n/******/\n/******/ \t// The require function\n/******/ \tfunction __webpack_require__(moduleId) {\n/******/\n/******/ \t\t// Check if module is in cache\n/******/ \t\tif(installedModules[moduleId]) {\n/******/ \t\t\treturn installedModules[moduleId].exports;\n/******/ \t\t}\n/******/ \t\t// Create a new module (and put it into the cache)\n/******/ \t\tvar module = installedModules[moduleId] = {\n/******/ \t\t\ti: moduleId,\n/******/ \t\t\tl: false,\n/******/ \t\t\texports: {}\n/******/ \t\t};\n/******/\n/******/ \t\t// Execute the module function\n/******/ \t\tmodules[moduleId].call(module.exports, module, module.exports, __webpack_require__);\n/******/\n/******/ \t\t// Flag the module as loaded\n/******/ \t\tmodule.l = true;\n/******/\n/******/ \t\t// Return the exports of the module\n/******/ \t\treturn module.exports;\n/******/ \t}\n/******/\n/******/\n/******/ \t// expose the modules object (__webpack_modules__)\n/******/ \t__webpack_require__.m = modules;\n/******/\n/******/ \t// expose the module cache\n/******/ \t__webpack_require__.c = installedModules;\n/******/\n/******/ \t// identity function for calling harmony imports with the correct context\n/******/ \t__webpack_require__.i = function(value) { return value; };\n/******/\n/******/ \t// define getter function for harmony exports\n/******/ \t__webpack_require__.d = function(exports, name, getter) {\n/******/ \t\tif(!__webpack_require__.o(exports, name)) {\n/******/ \t\t\tObject.defineProperty(exports, name, {\n/******/ \t\t\t\tconfigurable: false,\n/******/ \t\t\t\tenumerable: true,\n/******/ \t\t\t\tget: getter\n/******/ \t\t\t});\n/******/ \t\t}\n/******/ \t};\n/******/\n/******/ \t// getDefaultExport function for compatibility with non-harmony modules\n/******/ \t__webpack_require__.n = function(module) {\n/******/ \t\tvar getter = module && module.__esModule ?\n/******/ \t\t\tfunction getDefault() { return module['default']; } :\n/******/ \t\t\tfunction getModuleExports() { return module; };\n/******/ \t\t__webpack_require__.d(getter, 'a', getter);\n/******/ \t\treturn getter;\n/******/ \t};\n/******/\n/******/ \t// Object.prototype.hasOwnProperty.call\n/******/ \t__webpack_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };\n/******/\n/******/ \t// __webpack_public_path__\n/******/ \t__webpack_require__.p = \"\";\n/******/\n/******/ \t// Load entry module and return exports\n/******/ \treturn __webpack_require__(__webpack_require__.s = 4);\n/******/ })\n/************************************************************************/\n/******/ ([\n/* 0 */\n/***/ (function(module, exports, __webpack_require__) {\n\n/*jshint curly:true, eqeqeq:true, laxbreak:true, noempty:false */\n/*\n\n The MIT License (MIT)\n\n Copyright (c) 2007-2017 Einar Lielmanis, Liam Newman, and contributors.\n\n Permission is hereby granted, free of charge, to any person\n obtaining a copy of this software and associated documentation files\n (the \"Software\"), to deal in the Software without restriction,\n including without limitation the rights to use, copy, modify, merge,\n publish, distribute, sublicense, and/or sell copies of the Software,\n and to permit persons to whom the Software is furnished to do so,\n subject to the following conditions:\n\n The above copyright notice and this permission notice shall be\n included in all copies or substantial portions of the Software.\n\n THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND,\n EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\n NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS\n BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN\n ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\n CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n SOFTWARE.\n*/\n\nvar mergeOpts = __webpack_require__(2).mergeOpts;\nvar acorn = __webpack_require__(1);\nvar Output = __webpack_require__(3).Output;\n\n\nvar lineBreak = acorn.lineBreak;\nvar allLineBreaks = acorn.allLineBreaks;\n\nfunction Beautifier(source_text, options) {\n options = options || {};\n\n // Allow the setting of language/file-type specific options\n // with inheritance of overall settings\n options = mergeOpts(options, 'css');\n\n source_text = source_text || '';\n\n var newlinesFromLastWSEat = 0;\n var indentSize = options.indent_size ? parseInt(options.indent_size, 10) : 4;\n var indentCharacter = options.indent_char || ' ';\n var preserve_newlines = (options.preserve_newlines === undefined) ? false : options.preserve_newlines;\n var selectorSeparatorNewline = (options.selector_separator_newline === undefined) ? true : options.selector_separator_newline;\n var end_with_newline = (options.end_with_newline === undefined) ? false : options.end_with_newline;\n var newline_between_rules = (options.newline_between_rules === undefined) ? true : options.newline_between_rules;\n var space_around_combinator = (options.space_around_combinator === undefined) ? false : options.space_around_combinator;\n space_around_combinator = space_around_combinator || ((options.space_around_selector_separator === undefined) ? false : options.space_around_selector_separator);\n var eol = options.eol ? options.eol : 'auto';\n\n if (options.indent_with_tabs) {\n indentCharacter = '\\t';\n indentSize = 1;\n }\n\n if (eol === 'auto') {\n eol = '\\n';\n if (source_text && lineBreak.test(source_text || '')) {\n eol = source_text.match(lineBreak)[0];\n }\n }\n\n eol = eol.replace(/\\\\r/, '\\r').replace(/\\\\n/, '\\n');\n\n // HACK: newline parsing inconsistent. This brute force normalizes the input.\n source_text = source_text.replace(allLineBreaks, '\\n');\n\n // tokenizer\n var whiteRe = /^\\s+$/;\n\n var pos = -1,\n ch;\n var parenLevel = 0;\n\n function next() {\n ch = source_text.charAt(++pos);\n return ch || '';\n }\n\n function peek(skipWhitespace) {\n var result = '';\n var prev_pos = pos;\n if (skipWhitespace) {\n eatWhitespace();\n }\n result = source_text.charAt(pos + 1) || '';\n pos = prev_pos - 1;\n next();\n return result;\n }\n\n function eatString(endChars) {\n var start = pos;\n while (next()) {\n if (ch === \"\\\\\") {\n next();\n } else if (endChars.indexOf(ch) !== -1) {\n break;\n } else if (ch === \"\\n\") {\n break;\n }\n }\n return source_text.substring(start, pos + 1);\n }\n\n function peekString(endChar) {\n var prev_pos = pos;\n var str = eatString(endChar);\n pos = prev_pos - 1;\n next();\n return str;\n }\n\n function eatWhitespace(preserve_newlines_local) {\n var result = 0;\n while (whiteRe.test(peek())) {\n next();\n if (ch === '\\n' && preserve_newlines_local && preserve_newlines) {\n output.add_new_line(true);\n result++;\n }\n }\n newlinesFromLastWSEat = result;\n return result;\n }\n\n function skipWhitespace() {\n var result = '';\n if (ch && whiteRe.test(ch)) {\n result = ch;\n }\n while (whiteRe.test(next())) {\n result += ch;\n }\n return result;\n }\n\n function eatComment() {\n var start = pos;\n var singleLine = peek() === \"/\";\n next();\n while (next()) {\n if (!singleLine && ch === \"*\" && peek() === \"/\") {\n next();\n break;\n } else if (singleLine && ch === \"\\n\") {\n return source_text.substring(start, pos);\n }\n }\n\n return source_text.substring(start, pos) + ch;\n }\n\n\n function lookBack(str) {\n return source_text.substring(pos - str.length, pos).toLowerCase() ===\n str;\n }\n\n // Nested pseudo-class if we are insideRule\n // and the next special character found opens\n // a new block\n function foundNestedPseudoClass() {\n var openParen = 0;\n for (var i = pos + 1; i < source_text.length; i++) {\n var ch = source_text.charAt(i);\n if (ch === \"{\") {\n return true;\n } else if (ch === '(') {\n // pseudoclasses can contain ()\n openParen += 1;\n } else if (ch === ')') {\n if (openParen === 0) {\n return false;\n }\n openParen -= 1;\n } else if (ch === \";\" || ch === \"}\") {\n return false;\n }\n }\n return false;\n }\n\n // printer\n var baseIndentString = '';\n var preindent_index = 0;\n if (source_text && source_text.length) {\n while ((source_text.charAt(preindent_index) === ' ' ||\n source_text.charAt(preindent_index) === '\\t')) {\n preindent_index += 1;\n }\n baseIndentString = source_text.substring(0, preindent_index);\n js_source_text = source_text.substring(preindent_index);\n }\n\n\n var singleIndent = new Array(indentSize + 1).join(indentCharacter);\n var indentLevel;\n var nestedLevel;\n var output;\n\n function print_string(output_string) {\n if (output.just_added_newline()) {\n output.set_indent(indentLevel);\n }\n output.add_token(output_string);\n }\n\n function preserveSingleSpace(isAfterSpace) {\n if (isAfterSpace) {\n output.space_before_token = true;\n }\n }\n\n function indent() {\n indentLevel++;\n }\n\n function outdent() {\n if (indentLevel > 0) {\n indentLevel--;\n }\n }\n\n /*_____________________--------------------_____________________*/\n\n this.beautify = function() {\n // reset\n output = new Output(singleIndent, baseIndentString);\n indentLevel = 0;\n nestedLevel = 0;\n\n pos = -1;\n ch = null;\n parenLevel = 0;\n\n var insideRule = false;\n var insidePropertyValue = false;\n var enteringConditionalGroup = false;\n var top_ch = '';\n var last_top_ch = '';\n\n while (true) {\n var whitespace = skipWhitespace();\n var isAfterSpace = whitespace !== '';\n var isAfterNewline = whitespace.indexOf('\\n') !== -1;\n last_top_ch = top_ch;\n top_ch = ch;\n\n if (!ch) {\n break;\n } else if (ch === '/' && peek() === '*') { /* css comment */\n var header = indentLevel === 0;\n\n if (isAfterNewline || header) {\n output.add_new_line();\n }\n\n print_string(eatComment());\n output.add_new_line();\n if (header) {\n output.add_new_line(true);\n }\n } else if (ch === '/' && peek() === '/') { // single line comment\n if (!isAfterNewline && last_top_ch !== '{') {\n output.trim(true);\n }\n output.space_before_token = true;\n print_string(eatComment());\n output.add_new_line();\n } else if (ch === '@') {\n preserveSingleSpace(isAfterSpace);\n\n // deal with less propery mixins @{...}\n if (peek() === '{') {\n print_string(eatString('}'));\n } else {\n print_string(ch);\n\n // strip trailing space, if present, for hash property checks\n var variableOrRule = peekString(\": ,;{}()[]/='\\\"\");\n\n if (variableOrRule.match(/[ :]$/)) {\n // we have a variable or pseudo-class, add it and insert one space before continuing\n next();\n variableOrRule = eatString(\": \").replace(/\\s$/, '');\n print_string(variableOrRule);\n output.space_before_token = true;\n }\n\n variableOrRule = variableOrRule.replace(/\\s$/, '');\n\n // might be a nesting at-rule\n if (variableOrRule in this.NESTED_AT_RULE) {\n nestedLevel += 1;\n if (variableOrRule in this.CONDITIONAL_GROUP_RULE) {\n enteringConditionalGroup = true;\n }\n }\n }\n } else if (ch === '#' && peek() === '{') {\n preserveSingleSpace(isAfterSpace);\n print_string(eatString('}'));\n } else if (ch === '{') {\n if (peek(true) === '}') {\n eatWhitespace();\n next();\n output.space_before_token = true;\n print_string(\"{}\");\n if (!eatWhitespace(true)) {\n output.add_new_line();\n }\n\n if (newlinesFromLastWSEat < 2 && newline_between_rules && indentLevel === 0) {\n output.add_new_line(true);\n }\n } else {\n indent();\n output.space_before_token = true;\n print_string(ch);\n if (!eatWhitespace(true)) {\n output.add_new_line();\n }\n\n // when entering conditional groups, only rulesets are allowed\n if (enteringConditionalGroup) {\n enteringConditionalGroup = false;\n insideRule = (indentLevel > nestedLevel);\n } else {\n // otherwise, declarations are also allowed\n insideRule = (indentLevel >= nestedLevel);\n }\n }\n } else if (ch === '}') {\n outdent();\n output.add_new_line();\n print_string(ch);\n insideRule = false;\n insidePropertyValue = false;\n if (nestedLevel) {\n nestedLevel--;\n }\n\n if (!eatWhitespace(true)) {\n output.add_new_line();\n }\n\n if (newlinesFromLastWSEat < 2 && newline_between_rules && indentLevel === 0) {\n output.add_new_line(true);\n }\n } else if (ch === \":\") {\n eatWhitespace();\n if ((insideRule || enteringConditionalGroup) &&\n !(lookBack(\"&\") || foundNestedPseudoClass()) &&\n !lookBack(\"(\")) {\n // 'property: value' delimiter\n // which could be in a conditional group query\n print_string(':');\n if (!insidePropertyValue) {\n insidePropertyValue = true;\n output.space_before_token = true;\n }\n } else {\n // sass/less parent reference don't use a space\n // sass nested pseudo-class don't use a space\n\n // preserve space before pseudoclasses/pseudoelements, as it means \"in any child\"\n if (lookBack(\" \")) {\n output.space_before_token = true;\n }\n if (peek() === \":\") {\n // pseudo-element\n next();\n print_string(\"::\");\n } else {\n // pseudo-class\n print_string(':');\n }\n }\n } else if (ch === '\"' || ch === '\\'') {\n preserveSingleSpace(isAfterSpace);\n print_string(eatString(ch));\n } else if (ch === ';') {\n insidePropertyValue = false;\n print_string(ch);\n if (!eatWhitespace(true)) {\n output.add_new_line();\n }\n } else if (ch === '(') { // may be a url\n if (lookBack(\"url\")) {\n print_string(ch);\n eatWhitespace();\n if (next()) {\n if (ch !== ')' && ch !== '\"' && ch !== '\\'') {\n print_string(eatString(')'));\n } else {\n pos--;\n }\n }\n } else {\n parenLevel++;\n preserveSingleSpace(isAfterSpace);\n print_string(ch);\n eatWhitespace();\n }\n } else if (ch === ')') {\n print_string(ch);\n parenLevel--;\n } else if (ch === ',') {\n print_string(ch);\n if (!eatWhitespace(true) && selectorSeparatorNewline && !insidePropertyValue && parenLevel < 1) {\n output.add_new_line();\n } else {\n output.space_before_token = true;\n }\n } else if ((ch === '>' || ch === '+' || ch === '~') &&\n !insidePropertyValue && parenLevel < 1) {\n //handle combinator spacing\n if (space_around_combinator) {\n output.space_before_token = true;\n print_string(ch);\n output.space_before_token = true;\n } else {\n print_string(ch);\n eatWhitespace();\n // squash extra whitespace\n if (ch && whiteRe.test(ch)) {\n ch = '';\n }\n }\n } else if (ch === ']') {\n print_string(ch);\n } else if (ch === '[') {\n preserveSingleSpace(isAfterSpace);\n print_string(ch);\n } else if (ch === '=') { // no whitespace before or after\n eatWhitespace();\n print_string('=');\n if (whiteRe.test(ch)) {\n ch = '';\n }\n\n } else {\n preserveSingleSpace(isAfterSpace);\n print_string(ch);\n }\n }\n\n var sweetCode = output.get_code(end_with_newline, eol);\n\n return sweetCode;\n };\n\n // https://developer.mozilla.org/en-US/docs/Web/CSS/At-rule\n this.NESTED_AT_RULE = {\n \"@page\": true,\n \"@font-face\": true,\n \"@keyframes\": true,\n // also in CONDITIONAL_GROUP_RULE below\n \"@media\": true,\n \"@supports\": true,\n \"@document\": true\n };\n this.CONDITIONAL_GROUP_RULE = {\n \"@media\": true,\n \"@supports\": true,\n \"@document\": true\n };\n}\n\nmodule.exports.Beautifier = Beautifier;\n\n\n/***/ }),\n/* 1 */\n/***/ (function(module, exports) {\n\n/* jshint curly: false */\n// This section of code is taken from acorn.\n//\n// Acorn was written by Marijn Haverbeke and released under an MIT\n// license. The Unicode regexps (for identifiers and whitespace) were\n// taken from [Esprima](http://esprima.org) by Ariya Hidayat.\n//\n// Git repositories for Acorn are available at\n//\n// http://marijnhaverbeke.nl/git/acorn\n// https://github.com/marijnh/acorn.git\n\n// ## Character categories\n\n// Big ugly regular expressions that match characters in the\n// whitespace, identifier, and identifier-start categories. These\n// are only applied when a character is found to actually have a\n// code point above 128.\n\nvar nonASCIIwhitespace = /[\\u1680\\u180e\\u2000-\\u200a\\u202f\\u205f\\u3000\\ufeff]/; // jshint ignore:line\nvar nonASCIIidentifierStartChars = \"\\xaa\\xb5\\xba\\xc0-\\xd6\\xd8-\\xf6\\xf8-\\u02c1\\u02c6-\\u02d1\\u02e0-\\u02e4\\u02ec\\u02ee\\u0370-\\u0374\\u0376\\u0377\\u037a-\\u037d\\u0386\\u0388-\\u038a\\u038c\\u038e-\\u03a1\\u03a3-\\u03f5\\u03f7-\\u0481\\u048a-\\u0527\\u0531-\\u0556\\u0559\\u0561-\\u0587\\u05d0-\\u05ea\\u05f0-\\u05f2\\u0620-\\u064a\\u066e\\u066f\\u0671-\\u06d3\\u06d5\\u06e5\\u06e6\\u06ee\\u06ef\\u06fa-\\u06fc\\u06ff\\u0710\\u0712-\\u072f\\u074d-\\u07a5\\u07b1\\u07ca-\\u07ea\\u07f4\\u07f5\\u07fa\\u0800-\\u0815\\u081a\\u0824\\u0828\\u0840-\\u0858\\u08a0\\u08a2-\\u08ac\\u0904-\\u0939\\u093d\\u0950\\u0958-\\u0961\\u0971-\\u0977\\u0979-\\u097f\\u0985-\\u098c\\u098f\\u0990\\u0993-\\u09a8\\u09aa-\\u09b0\\u09b2\\u09b6-\\u09b9\\u09bd\\u09ce\\u09dc\\u09dd\\u09df-\\u09e1\\u09f0\\u09f1\\u0a05-\\u0a0a\\u0a0f\\u0a10\\u0a13-\\u0a28\\u0a2a-\\u0a30\\u0a32\\u0a33\\u0a35\\u0a36\\u0a38\\u0a39\\u0a59-\\u0a5c\\u0a5e\\u0a72-\\u0a74\\u0a85-\\u0a8d\\u0a8f-\\u0a91\\u0a93-\\u0aa8\\u0aaa-\\u0ab0\\u0ab2\\u0ab3\\u0ab5-\\u0ab9\\u0abd\\u0ad0\\u0ae0\\u0ae1\\u0b05-\\u0b0c\\u0b0f\\u0b10\\u0b13-\\u0b28\\u0b2a-\\u0b30\\u0b32\\u0b33\\u0b35-\\u0b39\\u0b3d\\u0b5c\\u0b5d\\u0b5f-\\u0b61\\u0b71\\u0b83\\u0b85-\\u0b8a\\u0b8e-\\u0b90\\u0b92-\\u0b95\\u0b99\\u0b9a\\u0b9c\\u0b9e\\u0b9f\\u0ba3\\u0ba4\\u0ba8-\\u0baa\\u0bae-\\u0bb9\\u0bd0\\u0c05-\\u0c0c\\u0c0e-\\u0c10\\u0c12-\\u0c28\\u0c2a-\\u0c33\\u0c35-\\u0c39\\u0c3d\\u0c58\\u0c59\\u0c60\\u0c61\\u0c85-\\u0c8c\\u0c8e-\\u0c90\\u0c92-\\u0ca8\\u0caa-\\u0cb3\\u0cb5-\\u0cb9\\u0cbd\\u0cde\\u0ce0\\u0ce1\\u0cf1\\u0cf2\\u0d05-\\u0d0c\\u0d0e-\\u0d10\\u0d12-\\u0d3a\\u0d3d\\u0d4e\\u0d60\\u0d61\\u0d7a-\\u0d7f\\u0d85-\\u0d96\\u0d9a-\\u0db1\\u0db3-\\u0dbb\\u0dbd\\u0dc0-\\u0dc6\\u0e01-\\u0e30\\u0e32\\u0e33\\u0e40-\\u0e46\\u0e81\\u0e82\\u0e84\\u0e87\\u0e88\\u0e8a\\u0e8d\\u0e94-\\u0e97\\u0e99-\\u0e9f\\u0ea1-\\u0ea3\\u0ea5\\u0ea7\\u0eaa\\u0eab\\u0ead-\\u0eb0\\u0eb2\\u0eb3\\u0ebd\\u0ec0-\\u0ec4\\u0ec6\\u0edc-\\u0edf\\u0f00\\u0f40-\\u0f47\\u0f49-\\u0f6c\\u0f88-\\u0f8c\\u1000-\\u102a\\u103f\\u1050-\\u1055\\u105a-\\u105d\\u1061\\u1065\\u1066\\u106e-\\u1070\\u1075-\\u1081\\u108e\\u10a0-\\u10c5\\u10c7\\u10cd\\u10d0-\\u10fa\\u10fc-\\u1248\\u124a-\\u124d\\u1250-\\u1256\\u1258\\u125a-\\u125d\\u1260-\\u1288\\u128a-\\u128d\\u1290-\\u12b0\\u12b2-\\u12b5\\u12b8-\\u12be\\u12c0\\u12c2-\\u12c5\\u12c8-\\u12d6\\u12d8-\\u1310\\u1312-\\u1315\\u1318-\\u135a\\u1380-\\u138f\\u13a0-\\u13f4\\u1401-\\u166c\\u166f-\\u167f\\u1681-\\u169a\\u16a0-\\u16ea\\u16ee-\\u16f0\\u1700-\\u170c\\u170e-\\u1711\\u1720-\\u1731\\u1740-\\u1751\\u1760-\\u176c\\u176e-\\u1770\\u1780-\\u17b3\\u17d7\\u17dc\\u1820-\\u1877\\u1880-\\u18a8\\u18aa\\u18b0-\\u18f5\\u1900-\\u191c\\u1950-\\u196d\\u1970-\\u1974\\u1980-\\u19ab\\u19c1-\\u19c7\\u1a00-\\u1a16\\u1a20-\\u1a54\\u1aa7\\u1b05-\\u1b33\\u1b45-\\u1b4b\\u1b83-\\u1ba0\\u1bae\\u1baf\\u1bba-\\u1be5\\u1c00-\\u1c23\\u1c4d-\\u1c4f\\u1c5a-\\u1c7d\\u1ce9-\\u1cec\\u1cee-\\u1cf1\\u1cf5\\u1cf6\\u1d00-\\u1dbf\\u1e00-\\u1f15\\u1f18-\\u1f1d\\u1f20-\\u1f45\\u1f48-\\u1f4d\\u1f50-\\u1f57\\u1f59\\u1f5b\\u1f5d\\u1f5f-\\u1f7d\\u1f80-\\u1fb4\\u1fb6-\\u1fbc\\u1fbe\\u1fc2-\\u1fc4\\u1fc6-\\u1fcc\\u1fd0-\\u1fd3\\u1fd6-\\u1fdb\\u1fe0-\\u1fec\\u1ff2-\\u1ff4\\u1ff6-\\u1ffc\\u2071\\u207f\\u2090-\\u209c\\u2102\\u2107\\u210a-\\u2113\\u2115\\u2119-\\u211d\\u2124\\u2126\\u2128\\u212a-\\u212d\\u212f-\\u2139\\u213c-\\u213f\\u2145-\\u2149\\u214e\\u2160-\\u2188\\u2c00-\\u2c2e\\u2c30-\\u2c5e\\u2c60-\\u2ce4\\u2ceb-\\u2cee\\u2cf2\\u2cf3\\u2d00-\\u2d25\\u2d27\\u2d2d\\u2d30-\\u2d67\\u2d6f\\u2d80-\\u2d96\\u2da0-\\u2da6\\u2da8-\\u2dae\\u2db0-\\u2db6\\u2db8-\\u2dbe\\u2dc0-\\u2dc6\\u2dc8-\\u2dce\\u2dd0-\\u2dd6\\u2dd8-\\u2dde\\u2e2f\\u3005-\\u3007\\u3021-\\u3029\\u3031-\\u3035\\u3038-\\u303c\\u3041-\\u3096\\u309d-\\u309f\\u30a1-\\u30fa\\u30fc-\\u30ff\\u3105-\\u312d\\u3131-\\u318e\\u31a0-\\u31ba\\u31f0-\\u31ff\\u3400-\\u4db5\\u4e00-\\u9fcc\\ua000-\\ua48c\\ua4d0-\\ua4fd\\ua500-\\ua60c\\ua610-\\ua61f\\ua62a\\ua62b\\ua640-\\ua66e\\ua67f-\\ua697\\ua6a0-\\ua6ef\\ua717-\\ua71f\\ua722-\\ua788\\ua78b-\\ua78e\\ua790-\\ua793\\ua7a0-\\ua7aa\\ua7f8-\\ua801\\ua803-\\ua805\\ua807-\\ua80a\\ua80c-\\ua822\\ua840-\\ua873\\ua882-\\ua8b3\\ua8f2-\\ua8f7\\ua8fb\\ua90a-\\ua925\\ua930-\\ua946\\ua960-\\ua97c\\ua984-\\ua9b2\\ua9cf\\uaa00-\\uaa28\\uaa40-\\uaa42\\uaa44-\\uaa4b\\uaa60-\\uaa76\\uaa7a\\uaa80-\\uaaaf\\uaab1\\uaab5\\uaab6\\uaab9-\\uaabd\\uaac0\\uaac2\\uaadb-\\uaadd\\uaae0-\\uaaea\\uaaf2-\\uaaf4\\uab01-\\uab06\\uab09-\\uab0e\\uab11-\\uab16\\uab20-\\uab26\\uab28-\\uab2e\\uabc0-\\uabe2\\uac00-\\ud7a3\\ud7b0-\\ud7c6\\ud7cb-\\ud7fb\\uf900-\\ufa6d\\ufa70-\\ufad9\\ufb00-\\ufb06\\ufb13-\\ufb17\\ufb1d\\ufb1f-\\ufb28\\ufb2a-\\ufb36\\ufb38-\\ufb3c\\ufb3e\\ufb40\\ufb41\\ufb43\\ufb44\\ufb46-\\ufbb1\\ufbd3-\\ufd3d\\ufd50-\\ufd8f\\ufd92-\\ufdc7\\ufdf0-\\ufdfb\\ufe70-\\ufe74\\ufe76-\\ufefc\\uff21-\\uff3a\\uff41-\\uff5a\\uff66-\\uffbe\\uffc2-\\uffc7\\uffca-\\uffcf\\uffd2-\\uffd7\\uffda-\\uffdc\";\nvar nonASCIIidentifierChars = \"\\u0300-\\u036f\\u0483-\\u0487\\u0591-\\u05bd\\u05bf\\u05c1\\u05c2\\u05c4\\u05c5\\u05c7\\u0610-\\u061a\\u0620-\\u0649\\u0672-\\u06d3\\u06e7-\\u06e8\\u06fb-\\u06fc\\u0730-\\u074a\\u0800-\\u0814\\u081b-\\u0823\\u0825-\\u0827\\u0829-\\u082d\\u0840-\\u0857\\u08e4-\\u08fe\\u0900-\\u0903\\u093a-\\u093c\\u093e-\\u094f\\u0951-\\u0957\\u0962-\\u0963\\u0966-\\u096f\\u0981-\\u0983\\u09bc\\u09be-\\u09c4\\u09c7\\u09c8\\u09d7\\u09df-\\u09e0\\u0a01-\\u0a03\\u0a3c\\u0a3e-\\u0a42\\u0a47\\u0a48\\u0a4b-\\u0a4d\\u0a51\\u0a66-\\u0a71\\u0a75\\u0a81-\\u0a83\\u0abc\\u0abe-\\u0ac5\\u0ac7-\\u0ac9\\u0acb-\\u0acd\\u0ae2-\\u0ae3\\u0ae6-\\u0aef\\u0b01-\\u0b03\\u0b3c\\u0b3e-\\u0b44\\u0b47\\u0b48\\u0b4b-\\u0b4d\\u0b56\\u0b57\\u0b5f-\\u0b60\\u0b66-\\u0b6f\\u0b82\\u0bbe-\\u0bc2\\u0bc6-\\u0bc8\\u0bca-\\u0bcd\\u0bd7\\u0be6-\\u0bef\\u0c01-\\u0c03\\u0c46-\\u0c48\\u0c4a-\\u0c4d\\u0c55\\u0c56\\u0c62-\\u0c63\\u0c66-\\u0c6f\\u0c82\\u0c83\\u0cbc\\u0cbe-\\u0cc4\\u0cc6-\\u0cc8\\u0cca-\\u0ccd\\u0cd5\\u0cd6\\u0ce2-\\u0ce3\\u0ce6-\\u0cef\\u0d02\\u0d03\\u0d46-\\u0d48\\u0d57\\u0d62-\\u0d63\\u0d66-\\u0d6f\\u0d82\\u0d83\\u0dca\\u0dcf-\\u0dd4\\u0dd6\\u0dd8-\\u0ddf\\u0df2\\u0df3\\u0e34-\\u0e3a\\u0e40-\\u0e45\\u0e50-\\u0e59\\u0eb4-\\u0eb9\\u0ec8-\\u0ecd\\u0ed0-\\u0ed9\\u0f18\\u0f19\\u0f20-\\u0f29\\u0f35\\u0f37\\u0f39\\u0f41-\\u0f47\\u0f71-\\u0f84\\u0f86-\\u0f87\\u0f8d-\\u0f97\\u0f99-\\u0fbc\\u0fc6\\u1000-\\u1029\\u1040-\\u1049\\u1067-\\u106d\\u1071-\\u1074\\u1082-\\u108d\\u108f-\\u109d\\u135d-\\u135f\\u170e-\\u1710\\u1720-\\u1730\\u1740-\\u1750\\u1772\\u1773\\u1780-\\u17b2\\u17dd\\u17e0-\\u17e9\\u180b-\\u180d\\u1810-\\u1819\\u1920-\\u192b\\u1930-\\u193b\\u1951-\\u196d\\u19b0-\\u19c0\\u19c8-\\u19c9\\u19d0-\\u19d9\\u1a00-\\u1a15\\u1a20-\\u1a53\\u1a60-\\u1a7c\\u1a7f-\\u1a89\\u1a90-\\u1a99\\u1b46-\\u1b4b\\u1b50-\\u1b59\\u1b6b-\\u1b73\\u1bb0-\\u1bb9\\u1be6-\\u1bf3\\u1c00-\\u1c22\\u1c40-\\u1c49\\u1c5b-\\u1c7d\\u1cd0-\\u1cd2\\u1d00-\\u1dbe\\u1e01-\\u1f15\\u200c\\u200d\\u203f\\u2040\\u2054\\u20d0-\\u20dc\\u20e1\\u20e5-\\u20f0\\u2d81-\\u2d96\\u2de0-\\u2dff\\u3021-\\u3028\\u3099\\u309a\\ua640-\\ua66d\\ua674-\\ua67d\\ua69f\\ua6f0-\\ua6f1\\ua7f8-\\ua800\\ua806\\ua80b\\ua823-\\ua827\\ua880-\\ua881\\ua8b4-\\ua8c4\\ua8d0-\\ua8d9\\ua8f3-\\ua8f7\\ua900-\\ua909\\ua926-\\ua92d\\ua930-\\ua945\\ua980-\\ua983\\ua9b3-\\ua9c0\\uaa00-\\uaa27\\uaa40-\\uaa41\\uaa4c-\\uaa4d\\uaa50-\\uaa59\\uaa7b\\uaae0-\\uaae9\\uaaf2-\\uaaf3\\uabc0-\\uabe1\\uabec\\uabed\\uabf0-\\uabf9\\ufb20-\\ufb28\\ufe00-\\ufe0f\\ufe20-\\ufe26\\ufe33\\ufe34\\ufe4d-\\ufe4f\\uff10-\\uff19\\uff3f\";\nvar nonASCIIidentifierStart = new RegExp(\"[\" + nonASCIIidentifierStartChars + \"]\");\nvar nonASCIIidentifier = new RegExp(\"[\" + nonASCIIidentifierStartChars + nonASCIIidentifierChars + \"]\");\n\n// Whether a single character denotes a newline.\n\nexports.newline = /[\\n\\r\\u2028\\u2029]/;\n\n// Matches a whole line break (where CRLF is considered a single\n// line break). Used to count lines.\n\n// in javascript, these two differ\n// in python they are the same, different methods are called on them\nexports.lineBreak = new RegExp('\\r\\n|' + exports.newline.source);\nexports.allLineBreaks = new RegExp(exports.lineBreak.source, 'g');\n\n\n// Test whether a given character code starts an identifier.\n\nexports.isIdentifierStart = function(code) {\n // permit $ (36) and @ (64). @ is used in ES7 decorators.\n if (code < 65) return code === 36 || code === 64;\n // 65 through 91 are uppercase letters.\n if (code < 91) return true;\n // permit _ (95).\n if (code < 97) return code === 95;\n // 97 through 123 are lowercase letters.\n if (code < 123) return true;\n return code >= 0xaa && nonASCIIidentifierStart.test(String.fromCharCode(code));\n};\n\n// Test whether a given character is part of an identifier.\n\nexports.isIdentifierChar = function(code) {\n if (code < 48) return code === 36;\n if (code < 58) return true;\n if (code < 65) return false;\n if (code < 91) return true;\n if (code < 97) return code === 95;\n if (code < 123) return true;\n return code >= 0xaa && nonASCIIidentifier.test(String.fromCharCode(code));\n};\n\n\n/***/ }),\n/* 2 */\n/***/ (function(module, exports) {\n\n/*jshint curly:true, eqeqeq:true, laxbreak:true, noempty:false */\n/*\n\n The MIT License (MIT)\n\n Copyright (c) 2007-2017 Einar Lielmanis, Liam Newman, and contributors.\n\n Permission is hereby granted, free of charge, to any person\n obtaining a copy of this software and associated documentation files\n (the \"Software\"), to deal in the Software without restriction,\n including without limitation the rights to use, copy, modify, merge,\n publish, distribute, sublicense, and/or sell copies of the Software,\n and to permit persons to whom the Software is furnished to do so,\n subject to the following conditions:\n\n The above copyright notice and this permission notice shall be\n included in all copies or substantial portions of the Software.\n\n THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND,\n EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\n NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS\n BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN\n ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\n CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n SOFTWARE.\n*/\n\nfunction mergeOpts(allOptions, targetType) {\n var finalOpts = {};\n var name;\n\n for (name in allOptions) {\n if (name !== targetType) {\n finalOpts[name] = allOptions[name];\n }\n }\n\n //merge in the per type settings for the targetType\n if (targetType in allOptions) {\n for (name in allOptions[targetType]) {\n finalOpts[name] = allOptions[targetType][name];\n }\n }\n return finalOpts;\n}\n\nmodule.exports.mergeOpts = mergeOpts;\n\n\n/***/ }),\n/* 3 */\n/***/ (function(module, exports) {\n\n/*jshint curly:true, eqeqeq:true, laxbreak:true, noempty:false */\n/*\n\n The MIT License (MIT)\n\n Copyright (c) 2007-2017 Einar Lielmanis, Liam Newman, and contributors.\n\n Permission is hereby granted, free of charge, to any person\n obtaining a copy of this software and associated documentation files\n (the \"Software\"), to deal in the Software without restriction,\n including without limitation the rights to use, copy, modify, merge,\n publish, distribute, sublicense, and/or sell copies of the Software,\n and to permit persons to whom the Software is furnished to do so,\n subject to the following conditions:\n\n The above copyright notice and this permission notice shall be\n included in all copies or substantial portions of the Software.\n\n THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND,\n EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\n NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS\n BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN\n ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\n CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n SOFTWARE.\n*/\n\nfunction OutputLine(parent) {\n var _character_count = 0;\n // use indent_count as a marker for lines that have preserved indentation\n var _indent_count = -1;\n\n var _items = [];\n var _empty = true;\n\n this.set_indent = function(level) {\n _character_count = parent.baseIndentLength + level * parent.indent_length;\n _indent_count = level;\n };\n\n this.get_character_count = function() {\n return _character_count;\n };\n\n this.is_empty = function() {\n return _empty;\n };\n\n this.last = function() {\n if (!this._empty) {\n return _items[_items.length - 1];\n } else {\n return null;\n }\n };\n\n this.push = function(input) {\n _items.push(input);\n _character_count += input.length;\n _empty = false;\n };\n\n this.pop = function() {\n var item = null;\n if (!_empty) {\n item = _items.pop();\n _character_count -= item.length;\n _empty = _items.length === 0;\n }\n return item;\n };\n\n this.remove_indent = function() {\n if (_indent_count > 0) {\n _indent_count -= 1;\n _character_count -= parent.indent_length;\n }\n };\n\n this.trim = function() {\n while (this.last() === ' ') {\n _items.pop();\n _character_count -= 1;\n }\n _empty = _items.length === 0;\n };\n\n this.toString = function() {\n var result = '';\n if (!this._empty) {\n if (_indent_count >= 0) {\n result = parent.indent_cache[_indent_count];\n }\n result += _items.join('');\n }\n return result;\n };\n}\n\nfunction Output(indent_string, baseIndentString) {\n baseIndentString = baseIndentString || '';\n this.indent_cache = [baseIndentString];\n this.baseIndentLength = baseIndentString.length;\n this.indent_length = indent_string.length;\n this.raw = false;\n\n var lines = [];\n this.baseIndentString = baseIndentString;\n this.indent_string = indent_string;\n this.previous_line = null;\n this.current_line = null;\n this.space_before_token = false;\n\n this.add_outputline = function() {\n this.previous_line = this.current_line;\n this.current_line = new OutputLine(this);\n lines.push(this.current_line);\n };\n\n // initialize\n this.add_outputline();\n\n\n this.get_line_number = function() {\n return lines.length;\n };\n\n // Using object instead of string to allow for later expansion of info about each line\n this.add_new_line = function(force_newline) {\n if (this.get_line_number() === 1 && this.just_added_newline()) {\n return false; // no newline on start of file\n }\n\n if (force_newline || !this.just_added_newline()) {\n if (!this.raw) {\n this.add_outputline();\n }\n return true;\n }\n\n return false;\n };\n\n this.get_code = function(end_with_newline, eol) {\n var sweet_code = lines.join('\\n').replace(/[\\r\\n\\t ]+$/, '');\n\n if (end_with_newline) {\n sweet_code += '\\n';\n }\n\n if (eol !== '\\n') {\n sweet_code = sweet_code.replace(/[\\n]/g, eol);\n }\n\n return sweet_code;\n };\n\n this.set_indent = function(level) {\n // Never indent your first output indent at the start of the file\n if (lines.length > 1) {\n while (level >= this.indent_cache.length) {\n this.indent_cache.push(this.indent_cache[this.indent_cache.length - 1] + this.indent_string);\n }\n\n this.current_line.set_indent(level);\n return true;\n }\n this.current_line.set_indent(0);\n return false;\n };\n\n this.add_raw_token = function(token) {\n for (var x = 0; x < token.newlines; x++) {\n this.add_outputline();\n }\n this.current_line.push(token.whitespace_before);\n this.current_line.push(token.text);\n this.space_before_token = false;\n };\n\n this.add_token = function(printable_token) {\n this.add_space_before_token();\n this.current_line.push(printable_token);\n };\n\n this.add_space_before_token = function() {\n if (this.space_before_token && !this.just_added_newline()) {\n this.current_line.push(' ');\n }\n this.space_before_token = false;\n };\n\n this.remove_indent = function(index) {\n var output_length = lines.length;\n while (index < output_length) {\n lines[index].remove_indent();\n index++;\n }\n };\n\n this.trim = function(eat_newlines) {\n eat_newlines = (eat_newlines === undefined) ? false : eat_newlines;\n\n this.current_line.trim(indent_string, baseIndentString);\n\n while (eat_newlines && lines.length > 1 &&\n this.current_line.is_empty()) {\n lines.pop();\n this.current_line = lines[lines.length - 1];\n this.current_line.trim();\n }\n\n this.previous_line = lines.length > 1 ? lines[lines.length - 2] : null;\n };\n\n this.just_added_newline = function() {\n return this.current_line.is_empty();\n };\n\n this.just_added_blankline = function() {\n if (this.just_added_newline()) {\n if (lines.length === 1) {\n return true; // start of the file and newline = blank\n }\n\n var line = lines[lines.length - 2];\n return line.is_empty();\n }\n return false;\n };\n}\n\nmodule.exports.Output = Output;\n\n\n/***/ }),\n/* 4 */\n/***/ (function(module, exports, __webpack_require__) {\n\n/*jshint curly:true, eqeqeq:true, laxbreak:true, noempty:false */\n/*\n\n The MIT License (MIT)\n\n Copyright (c) 2007-2017 Einar Lielmanis, Liam Newman, and contributors.\n\n Permission is hereby granted, free of charge, to any person\n obtaining a copy of this software and associated documentation files\n (the \"Software\"), to deal in the Software without restriction,\n including without limitation the rights to use, copy, modify, merge,\n publish, distribute, sublicense, and/or sell copies of the Software,\n and to permit persons to whom the Software is furnished to do so,\n subject to the following conditions:\n\n The above copyright notice and this permission notice shall be\n included in all copies or substantial portions of the Software.\n\n THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND,\n EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\n NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS\n BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN\n ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\n CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n SOFTWARE.\n*/\n\nvar Beautifier = __webpack_require__(0).Beautifier;\n\nfunction css_beautify(source_text, options) {\n var beautifier = new Beautifier(source_text, options);\n return beautifier.beautify();\n}\n\nmodule.exports = css_beautify;\n\n/***/ })\n/******/ ]);\nvar css_beautify = legacy_beautify_css;\n/* Footer */\nif (true) {\n // Add support for AMD ( https://github.com/amdjs/amdjs-api/wiki/AMD#defineamd-property- )\n !(__WEBPACK_AMD_DEFINE_ARRAY__ = [], __WEBPACK_AMD_DEFINE_RESULT__ = function() {\n return {\n css_beautify: css_beautify\n };\n }.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__),\n\t\t\t\t__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));\n} else if (typeof exports !== \"undefined\") {\n // Add support for CommonJS. Just put this file somewhere on your require.paths\n // and you will be able to `var html_beautify = require(\"beautify\").html_beautify`.\n exports.css_beautify = css_beautify;\n} else if (typeof window !== \"undefined\") {\n // If we're running a web page and don't have either of the above, add our one global\n window.css_beautify = css_beautify;\n} else if (typeof global !== \"undefined\") {\n // If we don't even have window, try global.\n global.css_beautify = css_beautify;\n}\n\n}());\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/js-beautify/js/lib/beautify-css.js\n// module id = 18\n// module chunks = 0\n\n//# sourceURL=webpack:///./node_modules/js-beautify/js/lib/beautify-css.js?")},function(module,exports,__webpack_require__){"use strict";eval("/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n *\n */\n\n\n\nvar emptyObject = {};\n\nif (Object({\"BUILD\":undefined}).NODE_ENV !== 'production') {\n Object.freeze(emptyObject);\n}\n\nmodule.exports = emptyObject;\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/react/node_modules/fbjs/lib/emptyObject.js\n// module id = 19\n// module chunks = 0\n\n//# sourceURL=webpack:///./node_modules/react/node_modules/fbjs/lib/emptyObject.js?")},function(module,exports,__webpack_require__){"use strict";eval("/**\n * Copyright (c) 2014-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n *\n */\n\n\n\nvar emptyFunction = __webpack_require__(6);\n\n/**\n * Similar to invariant but only logs a warning if the condition is not met.\n * This can be used to log issues in development environments in critical\n * paths. Removing the logging code for production environments will keep the\n * same logic and follow the same code paths.\n */\n\nvar warning = emptyFunction;\n\nif (Object({\"BUILD\":undefined}).NODE_ENV !== 'production') {\n var printWarning = function printWarning(format) {\n for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {\n args[_key - 1] = arguments[_key];\n }\n\n var argIndex = 0;\n var message = 'Warning: ' + format.replace(/%s/g, function () {\n return args[argIndex++];\n });\n if (typeof console !== 'undefined') {\n console.error(message);\n }\n try {\n // --- Welcome to debugging React ---\n // This error was thrown as a convenience so that you can use this stack\n // to find the callsite that caused this warning to fire.\n throw new Error(message);\n } catch (x) {}\n };\n\n warning = function warning(condition, format) {\n if (format === undefined) {\n throw new Error('`warning(condition, format, ...args)` requires a warning ' + 'message argument');\n }\n\n if (format.indexOf('Failed Composite propType: ') === 0) {\n return; // Ignore CompositeComponent proptype check.\n }\n\n if (!condition) {\n for (var _len2 = arguments.length, args = Array(_len2 > 2 ? _len2 - 2 : 0), _key2 = 2; _key2 < _len2; _key2++) {\n args[_key2 - 2] = arguments[_key2];\n }\n\n printWarning.apply(undefined, [format].concat(args));\n }\n };\n}\n\nmodule.exports = warning;\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/react/node_modules/fbjs/lib/warning.js\n// module id = 20\n// module chunks = 0\n\n//# sourceURL=webpack:///./node_modules/react/node_modules/fbjs/lib/warning.js?")},function(module,exports,__webpack_require__){"use strict";eval("\n\n/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n *\n * @typechecks\n */\n\nvar emptyFunction = __webpack_require__(2);\n\n/**\n * Upstream version of event listener. Does not take into account specific\n * nature of platform.\n */\nvar EventListener = {\n /**\n * Listen to DOM events during the bubble phase.\n *\n * @param {DOMEventTarget} target DOM element to register listener on.\n * @param {string} eventType Event type, e.g. 'click' or 'mouseover'.\n * @param {function} callback Callback function.\n * @return {object} Object with a `remove` method.\n */\n listen: function listen(target, eventType, callback) {\n if (target.addEventListener) {\n target.addEventListener(eventType, callback, false);\n return {\n remove: function remove() {\n target.removeEventListener(eventType, callback, false);\n }\n };\n } else if (target.attachEvent) {\n target.attachEvent('on' + eventType, callback);\n return {\n remove: function remove() {\n target.detachEvent('on' + eventType, callback);\n }\n };\n }\n },\n\n /**\n * Listen to DOM events during the capture phase.\n *\n * @param {DOMEventTarget} target DOM element to register listener on.\n * @param {string} eventType Event type, e.g. 'click' or 'mouseover'.\n * @param {function} callback Callback function.\n * @return {object} Object with a `remove` method.\n */\n capture: function capture(target, eventType, callback) {\n if (target.addEventListener) {\n target.addEventListener(eventType, callback, true);\n return {\n remove: function remove() {\n target.removeEventListener(eventType, callback, true);\n }\n };\n } else {\n if (Object({\"BUILD\":undefined}).NODE_ENV !== 'production') {\n console.error('Attempted to listen to events during the capture phase on a ' + 'browser that does not support the capture phase. Your application ' + 'will not receive some events.');\n }\n return {\n remove: emptyFunction\n };\n }\n },\n\n registerDefault: function registerDefault() {}\n};\n\nmodule.exports = EventListener;\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/react-dom/node_modules/fbjs/lib/EventListener.js\n// module id = 21\n// module chunks = 0\n\n//# sourceURL=webpack:///./node_modules/react-dom/node_modules/fbjs/lib/EventListener.js?")},function(module,exports,__webpack_require__){"use strict";eval("/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n *\n */\n\n\n\nvar emptyObject = {};\n\nif (Object({\"BUILD\":undefined}).NODE_ENV !== 'production') {\n Object.freeze(emptyObject);\n}\n\nmodule.exports = emptyObject;\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/react-dom/node_modules/fbjs/lib/emptyObject.js\n// module id = 22\n// module chunks = 0\n\n//# sourceURL=webpack:///./node_modules/react-dom/node_modules/fbjs/lib/emptyObject.js?")},function(module,exports,__webpack_require__){"use strict";eval("/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n *\n * @typechecks\n * \n */\n\n/*eslint-disable no-self-compare */\n\n\n\nvar hasOwnProperty = Object.prototype.hasOwnProperty;\n\n/**\n * inlined Object.is polyfill to avoid requiring consumers ship their own\n * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is\n */\nfunction is(x, y) {\n // SameValue algorithm\n if (x === y) {\n // Steps 1-5, 7-10\n // Steps 6.b-6.e: +0 != -0\n // Added the nonzero y check to make Flow happy, but it is redundant\n return x !== 0 || y !== 0 || 1 / x === 1 / y;\n } else {\n // Step 6.a: NaN == NaN\n return x !== x && y !== y;\n }\n}\n\n/**\n * Performs equality by iterating through keys on an object and returning false\n * when any key has values which are not strictly equal between the arguments.\n * Returns true when the values of all keys are strictly equal.\n */\nfunction shallowEqual(objA, objB) {\n if (is(objA, objB)) {\n return true;\n }\n\n if (typeof objA !== 'object' || objA === null || typeof objB !== 'object' || objB === null) {\n return false;\n }\n\n var keysA = Object.keys(objA);\n var keysB = Object.keys(objB);\n\n if (keysA.length !== keysB.length) {\n return false;\n }\n\n // Test for A's keys different from B.\n for (var i = 0; i < keysA.length; i++) {\n if (!hasOwnProperty.call(objB, keysA[i]) || !is(objA[keysA[i]], objB[keysA[i]])) {\n return false;\n }\n }\n\n return true;\n}\n\nmodule.exports = shallowEqual;\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/react-dom/node_modules/fbjs/lib/shallowEqual.js\n// module id = 23\n// module chunks = 0\n\n//# sourceURL=webpack:///./node_modules/react-dom/node_modules/fbjs/lib/shallowEqual.js?")},function(module,exports,__webpack_require__){"use strict";eval("\n\n/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n *\n * \n */\n\nvar isTextNode = __webpack_require__(39);\n\n/*eslint-disable no-bitwise */\n\n/**\n * Checks if a given DOM node contains or is another DOM node.\n */\nfunction containsNode(outerNode, innerNode) {\n if (!outerNode || !innerNode) {\n return false;\n } else if (outerNode === innerNode) {\n return true;\n } else if (isTextNode(outerNode)) {\n return false;\n } else if (isTextNode(innerNode)) {\n return containsNode(outerNode, innerNode.parentNode);\n } else if ('contains' in outerNode) {\n return outerNode.contains(innerNode);\n } else if (outerNode.compareDocumentPosition) {\n return !!(outerNode.compareDocumentPosition(innerNode) & 16);\n } else {\n return false;\n }\n}\n\nmodule.exports = containsNode;\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/react-dom/node_modules/fbjs/lib/containsNode.js\n// module id = 24\n// module chunks = 0\n\n//# sourceURL=webpack:///./node_modules/react-dom/node_modules/fbjs/lib/containsNode.js?")},function(module,exports,__webpack_require__){"use strict";eval('/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n *\n */\n\n\n\n/**\n * @param {DOMElement} node input/textarea to focus\n */\n\nfunction focusNode(node) {\n // IE8 can throw "Can\'t move focus to the control because it is invisible,\n // not enabled, or of a type that does not accept the focus." for all kinds of\n // reasons that are too expensive and fragile to test.\n try {\n node.focus();\n } catch (e) {}\n}\n\nmodule.exports = focusNode;\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/react-dom/node_modules/fbjs/lib/focusNode.js\n// module id = 25\n// module chunks = 0\n\n//# sourceURL=webpack:///./node_modules/react-dom/node_modules/fbjs/lib/focusNode.js?')},function(module,exports,__webpack_require__){"use strict";eval("\n\n/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n *\n * @typechecks\n */\n\n/* eslint-disable fb-www/typeof-undefined */\n\n/**\n * Same as document.activeElement but wraps in a try-catch block. In IE it is\n * not safe to call document.activeElement if there is nothing focused.\n *\n * The activeElement will be null only if the document or document body is not\n * yet defined.\n *\n * @param {?DOMDocument} doc Defaults to current document.\n * @return {?DOMElement}\n */\nfunction getActiveElement(doc) /*?DOMElement*/{\n doc = doc || (typeof document !== 'undefined' ? document : undefined);\n if (typeof doc === 'undefined') {\n return null;\n }\n try {\n return doc.activeElement || doc.body;\n } catch (e) {\n return doc.body;\n }\n}\n\nmodule.exports = getActiveElement;\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/react-dom/node_modules/fbjs/lib/getActiveElement.js\n// module id = 26\n// module chunks = 0\n\n//# sourceURL=webpack:///./node_modules/react-dom/node_modules/fbjs/lib/getActiveElement.js?")},function(module,exports,__webpack_require__){"use strict";eval("/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n */\n\n\n\nif (Object({\"BUILD\":undefined}).NODE_ENV !== 'production') {\n var invariant = __webpack_require__(3);\n var warning = __webpack_require__(8);\n var ReactPropTypesSecret = __webpack_require__(9);\n var loggedTypeFailures = {};\n}\n\n/**\n * Assert that the values match with the type specs.\n * Error messages are memorized and will only be shown once.\n *\n * @param {object} typeSpecs Map of name to a ReactPropType\n * @param {object} values Runtime values that need to be type-checked\n * @param {string} location e.g. \"prop\", \"context\", \"child context\"\n * @param {string} componentName Name of the component for error messages.\n * @param {?Function} getStack Returns the component stack.\n * @private\n */\nfunction checkPropTypes(typeSpecs, values, location, componentName, getStack) {\n if (Object({\"BUILD\":undefined}).NODE_ENV !== 'production') {\n for (var typeSpecName in typeSpecs) {\n if (typeSpecs.hasOwnProperty(typeSpecName)) {\n var error;\n // Prop type validation may throw. In case they do, we don't want to\n // fail the render phase where it didn't fail before. So we log it.\n // After these have been cleaned up, we'll let them throw.\n try {\n // This is intentionally an invariant that gets caught. It's the same\n // behavior as without this statement except with a better message.\n invariant(typeof typeSpecs[typeSpecName] === 'function', '%s: %s type `%s` is invalid; it must be a function, usually from ' + 'the `prop-types` package, but received `%s`.', componentName || 'React class', location, typeSpecName, typeof typeSpecs[typeSpecName]);\n error = typeSpecs[typeSpecName](values, typeSpecName, componentName, location, null, ReactPropTypesSecret);\n } catch (ex) {\n error = ex;\n }\n warning(!error || error instanceof Error, '%s: type specification of %s `%s` is invalid; the type checker ' + 'function must return `null` or an `Error` but returned a %s. ' + 'You may have forgotten to pass an argument to the type checker ' + 'creator (arrayOf, instanceOf, objectOf, oneOf, oneOfType, and ' + 'shape all require an argument).', componentName || 'React class', location, typeSpecName, typeof error);\n if (error instanceof Error && !(error.message in loggedTypeFailures)) {\n // Only monitor this failure once because there tends to be a lot of the\n // same error.\n loggedTypeFailures[error.message] = true;\n\n var stack = getStack ? getStack() : '';\n\n warning(false, 'Failed %s type: %s%s', location, error.message, stack != null ? stack : '');\n }\n }\n }\n }\n}\n\nmodule.exports = checkPropTypes;\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/react-dom/node_modules/prop-types/checkPropTypes.js\n// module id = 27\n// module chunks = 0\n\n//# sourceURL=webpack:///./node_modules/react-dom/node_modules/prop-types/checkPropTypes.js?")},function(module,exports,__webpack_require__){eval("/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n */\n\nif (Object({\"BUILD\":undefined}).NODE_ENV !== 'production') {\n var REACT_ELEMENT_TYPE = (typeof Symbol === 'function' &&\n Symbol.for &&\n Symbol.for('react.element')) ||\n 0xeac7;\n\n var isValidElement = function(object) {\n return typeof object === 'object' &&\n object !== null &&\n object.$$typeof === REACT_ELEMENT_TYPE;\n };\n\n // By explicitly using `prop-types` you are opting into new development behavior.\n // http://fb.me/prop-types-in-prod\n var throwOnDirectAccess = true;\n module.exports = __webpack_require__(51)(isValidElement, throwOnDirectAccess);\n} else {\n // By explicitly using `prop-types` you are opting into new production behavior.\n // http://fb.me/prop-types-in-prod\n module.exports = __webpack_require__(53)();\n}\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/prop-types/index.js\n// module id = 28\n// module chunks = 0\n\n//# sourceURL=webpack:///./node_modules/prop-types/index.js?")},function(module,exports,__webpack_require__){"use strict";eval("/**\n * Copyright (c) 2014-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n *\n */\n\n\n\nvar emptyFunction = __webpack_require__(11);\n\n/**\n * Similar to invariant but only logs a warning if the condition is not met.\n * This can be used to log issues in development environments in critical\n * paths. Removing the logging code for production environments will keep the\n * same logic and follow the same code paths.\n */\n\nvar warning = emptyFunction;\n\nif (Object({\"BUILD\":undefined}).NODE_ENV !== 'production') {\n var printWarning = function printWarning(format) {\n for (var _len = arguments.length, args = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {\n args[_key - 1] = arguments[_key];\n }\n\n var argIndex = 0;\n var message = 'Warning: ' + format.replace(/%s/g, function () {\n return args[argIndex++];\n });\n if (typeof console !== 'undefined') {\n console.error(message);\n }\n try {\n // --- Welcome to debugging React ---\n // This error was thrown as a convenience so that you can use this stack\n // to find the callsite that caused this warning to fire.\n throw new Error(message);\n } catch (x) {}\n };\n\n warning = function warning(condition, format) {\n if (format === undefined) {\n throw new Error('`warning(condition, format, ...args)` requires a warning ' + 'message argument');\n }\n\n if (format.indexOf('Failed Composite propType: ') === 0) {\n return; // Ignore CompositeComponent proptype check.\n }\n\n if (!condition) {\n for (var _len2 = arguments.length, args = Array(_len2 > 2 ? _len2 - 2 : 0), _key2 = 2; _key2 < _len2; _key2++) {\n args[_key2 - 2] = arguments[_key2];\n }\n\n printWarning.apply(undefined, [format].concat(args));\n }\n };\n}\n\nmodule.exports = warning;\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/prop-types/node_modules/fbjs/lib/warning.js\n// module id = 29\n// module chunks = 0\n\n//# sourceURL=webpack:///./node_modules/prop-types/node_modules/fbjs/lib/warning.js?")},function(module,__webpack_exports__,__webpack_require__){"use strict";eval("Object.defineProperty(__webpack_exports__, \"__esModule\", { value: true });\n\n// EXTERNAL MODULE: ./node_modules/lodash-es/isPlainObject.js + 8 modules\nvar isPlainObject = __webpack_require__(14);\n\n// EXTERNAL MODULE: ./node_modules/symbol-observable/index.js\nvar symbol_observable = __webpack_require__(57);\nvar symbol_observable_default = /*#__PURE__*/__webpack_require__.n(symbol_observable);\n\n// CONCATENATED MODULE: ./node_modules/redux/es/createStore.js\n\n\n\n/**\n * These are private action types reserved by Redux.\n * For any unknown actions, you must return the current state.\n * If the current state is undefined, you must return the initial state.\n * Do not reference these action types directly in your code.\n */\nvar ActionTypes = {\n INIT: '@@redux/INIT'\n\n /**\n * Creates a Redux store that holds the state tree.\n * The only way to change the data in the store is to call `dispatch()` on it.\n *\n * There should only be a single store in your app. To specify how different\n * parts of the state tree respond to actions, you may combine several reducers\n * into a single reducer function by using `combineReducers`.\n *\n * @param {Function} reducer A function that returns the next state tree, given\n * the current state tree and the action to handle.\n *\n * @param {any} [preloadedState] The initial state. You may optionally specify it\n * to hydrate the state from the server in universal apps, or to restore a\n * previously serialized user session.\n * If you use `combineReducers` to produce the root reducer function, this must be\n * an object with the same shape as `combineReducers` keys.\n *\n * @param {Function} [enhancer] The store enhancer. You may optionally specify it\n * to enhance the store with third-party capabilities such as middleware,\n * time travel, persistence, etc. The only store enhancer that ships with Redux\n * is `applyMiddleware()`.\n *\n * @returns {Store} A Redux store that lets you read the state, dispatch actions\n * and subscribe to changes.\n */\n};function createStore_createStore(reducer, preloadedState, enhancer) {\n var _ref2;\n\n if (typeof preloadedState === 'function' && typeof enhancer === 'undefined') {\n enhancer = preloadedState;\n preloadedState = undefined;\n }\n\n if (typeof enhancer !== 'undefined') {\n if (typeof enhancer !== 'function') {\n throw new Error('Expected the enhancer to be a function.');\n }\n\n return enhancer(createStore_createStore)(reducer, preloadedState);\n }\n\n if (typeof reducer !== 'function') {\n throw new Error('Expected the reducer to be a function.');\n }\n\n var currentReducer = reducer;\n var currentState = preloadedState;\n var currentListeners = [];\n var nextListeners = currentListeners;\n var isDispatching = false;\n\n function ensureCanMutateNextListeners() {\n if (nextListeners === currentListeners) {\n nextListeners = currentListeners.slice();\n }\n }\n\n /**\n * Reads the state tree managed by the store.\n *\n * @returns {any} The current state tree of your application.\n */\n function getState() {\n return currentState;\n }\n\n /**\n * Adds a change listener. It will be called any time an action is dispatched,\n * and some part of the state tree may potentially have changed. You may then\n * call `getState()` to read the current state tree inside the callback.\n *\n * You may call `dispatch()` from a change listener, with the following\n * caveats:\n *\n * 1. The subscriptions are snapshotted just before every `dispatch()` call.\n * If you subscribe or unsubscribe while the listeners are being invoked, this\n * will not have any effect on the `dispatch()` that is currently in progress.\n * However, the next `dispatch()` call, whether nested or not, will use a more\n * recent snapshot of the subscription list.\n *\n * 2. The listener should not expect to see all state changes, as the state\n * might have been updated multiple times during a nested `dispatch()` before\n * the listener is called. It is, however, guaranteed that all subscribers\n * registered before the `dispatch()` started will be called with the latest\n * state by the time it exits.\n *\n * @param {Function} listener A callback to be invoked on every dispatch.\n * @returns {Function} A function to remove this change listener.\n */\n function subscribe(listener) {\n if (typeof listener !== 'function') {\n throw new Error('Expected listener to be a function.');\n }\n\n var isSubscribed = true;\n\n ensureCanMutateNextListeners();\n nextListeners.push(listener);\n\n return function unsubscribe() {\n if (!isSubscribed) {\n return;\n }\n\n isSubscribed = false;\n\n ensureCanMutateNextListeners();\n var index = nextListeners.indexOf(listener);\n nextListeners.splice(index, 1);\n };\n }\n\n /**\n * Dispatches an action. It is the only way to trigger a state change.\n *\n * The `reducer` function, used to create the store, will be called with the\n * current state tree and the given `action`. Its return value will\n * be considered the **next** state of the tree, and the change listeners\n * will be notified.\n *\n * The base implementation only supports plain object actions. If you want to\n * dispatch a Promise, an Observable, a thunk, or something else, you need to\n * wrap your store creating function into the corresponding middleware. For\n * example, see the documentation for the `redux-thunk` package. Even the\n * middleware will eventually dispatch plain object actions using this method.\n *\n * @param {Object} action A plain object representing “what changed”. It is\n * a good idea to keep actions serializable so you can record and replay user\n * sessions, or use the time travelling `redux-devtools`. An action must have\n * a `type` property which may not be `undefined`. It is a good idea to use\n * string constants for action types.\n *\n * @returns {Object} For convenience, the same action object you dispatched.\n *\n * Note that, if you use a custom middleware, it may wrap `dispatch()` to\n * return something else (for example, a Promise you can await).\n */\n function dispatch(action) {\n if (!Object(isPlainObject[\"a\" /* default */])(action)) {\n throw new Error('Actions must be plain objects. ' + 'Use custom middleware for async actions.');\n }\n\n if (typeof action.type === 'undefined') {\n throw new Error('Actions may not have an undefined \"type\" property. ' + 'Have you misspelled a constant?');\n }\n\n if (isDispatching) {\n throw new Error('Reducers may not dispatch actions.');\n }\n\n try {\n isDispatching = true;\n currentState = currentReducer(currentState, action);\n } finally {\n isDispatching = false;\n }\n\n var listeners = currentListeners = nextListeners;\n for (var i = 0; i < listeners.length; i++) {\n var listener = listeners[i];\n listener();\n }\n\n return action;\n }\n\n /**\n * Replaces the reducer currently used by the store to calculate the state.\n *\n * You might need this if your app implements code splitting and you want to\n * load some of the reducers dynamically. You might also need this if you\n * implement a hot reloading mechanism for Redux.\n *\n * @param {Function} nextReducer The reducer for the store to use instead.\n * @returns {void}\n */\n function replaceReducer(nextReducer) {\n if (typeof nextReducer !== 'function') {\n throw new Error('Expected the nextReducer to be a function.');\n }\n\n currentReducer = nextReducer;\n dispatch({ type: ActionTypes.INIT });\n }\n\n /**\n * Interoperability point for observable/reactive libraries.\n * @returns {observable} A minimal observable of state changes.\n * For more information, see the observable proposal:\n * https://github.com/tc39/proposal-observable\n */\n function observable() {\n var _ref;\n\n var outerSubscribe = subscribe;\n return _ref = {\n /**\n * The minimal observable subscription method.\n * @param {Object} observer Any object that can be used as an observer.\n * The observer object should have a `next` method.\n * @returns {subscription} An object with an `unsubscribe` method that can\n * be used to unsubscribe the observable from the store, and prevent further\n * emission of values from the observable.\n */\n subscribe: function subscribe(observer) {\n if (typeof observer !== 'object') {\n throw new TypeError('Expected the observer to be an object.');\n }\n\n function observeState() {\n if (observer.next) {\n observer.next(getState());\n }\n }\n\n observeState();\n var unsubscribe = outerSubscribe(observeState);\n return { unsubscribe: unsubscribe };\n }\n }, _ref[symbol_observable_default.a] = function () {\n return this;\n }, _ref;\n }\n\n // When a store is created, an \"INIT\" action is dispatched so that every\n // reducer returns their initial state. This effectively populates\n // the initial state tree.\n dispatch({ type: ActionTypes.INIT });\n\n return _ref2 = {\n dispatch: dispatch,\n subscribe: subscribe,\n getState: getState,\n replaceReducer: replaceReducer\n }, _ref2[symbol_observable_default.a] = observable, _ref2;\n}\n// CONCATENATED MODULE: ./node_modules/redux/es/utils/warning.js\n/**\n * Prints a warning in the console if it exists.\n *\n * @param {String} message The warning message.\n * @returns {void}\n */\nfunction warning(message) {\n /* eslint-disable no-console */\n if (typeof console !== 'undefined' && typeof console.error === 'function') {\n console.error(message);\n }\n /* eslint-enable no-console */\n try {\n // This error was thrown as a convenience so that if you enable\n // \"break on all exceptions\" in your console,\n // it would pause the execution at this line.\n throw new Error(message);\n /* eslint-disable no-empty */\n } catch (e) {}\n /* eslint-enable no-empty */\n}\n// CONCATENATED MODULE: ./node_modules/redux/es/combineReducers.js\n\n\n\n\nfunction getUndefinedStateErrorMessage(key, action) {\n var actionType = action && action.type;\n var actionName = actionType && '\"' + actionType.toString() + '\"' || 'an action';\n\n return 'Given action ' + actionName + ', reducer \"' + key + '\" returned undefined. ' + 'To ignore an action, you must explicitly return the previous state. ' + 'If you want this reducer to hold no value, you can return null instead of undefined.';\n}\n\nfunction getUnexpectedStateShapeWarningMessage(inputState, reducers, action, unexpectedKeyCache) {\n var reducerKeys = Object.keys(reducers);\n var argumentName = action && action.type === ActionTypes.INIT ? 'preloadedState argument passed to createStore' : 'previous state received by the reducer';\n\n if (reducerKeys.length === 0) {\n return 'Store does not have a valid reducer. Make sure the argument passed ' + 'to combineReducers is an object whose values are reducers.';\n }\n\n if (!Object(isPlainObject[\"a\" /* default */])(inputState)) {\n return 'The ' + argumentName + ' has unexpected type of \"' + {}.toString.call(inputState).match(/\\s([a-z|A-Z]+)/)[1] + '\". Expected argument to be an object with the following ' + ('keys: \"' + reducerKeys.join('\", \"') + '\"');\n }\n\n var unexpectedKeys = Object.keys(inputState).filter(function (key) {\n return !reducers.hasOwnProperty(key) && !unexpectedKeyCache[key];\n });\n\n unexpectedKeys.forEach(function (key) {\n unexpectedKeyCache[key] = true;\n });\n\n if (unexpectedKeys.length > 0) {\n return 'Unexpected ' + (unexpectedKeys.length > 1 ? 'keys' : 'key') + ' ' + ('\"' + unexpectedKeys.join('\", \"') + '\" found in ' + argumentName + '. ') + 'Expected to find one of the known reducer keys instead: ' + ('\"' + reducerKeys.join('\", \"') + '\". Unexpected keys will be ignored.');\n }\n}\n\nfunction assertReducerShape(reducers) {\n Object.keys(reducers).forEach(function (key) {\n var reducer = reducers[key];\n var initialState = reducer(undefined, { type: ActionTypes.INIT });\n\n if (typeof initialState === 'undefined') {\n throw new Error('Reducer \"' + key + '\" returned undefined during initialization. ' + 'If the state passed to the reducer is undefined, you must ' + 'explicitly return the initial state. The initial state may ' + 'not be undefined. If you don\\'t want to set a value for this reducer, ' + 'you can use null instead of undefined.');\n }\n\n var type = '@@redux/PROBE_UNKNOWN_ACTION_' + Math.random().toString(36).substring(7).split('').join('.');\n if (typeof reducer(undefined, { type: type }) === 'undefined') {\n throw new Error('Reducer \"' + key + '\" returned undefined when probed with a random type. ' + ('Don\\'t try to handle ' + ActionTypes.INIT + ' or other actions in \"redux/*\" ') + 'namespace. They are considered private. Instead, you must return the ' + 'current state for any unknown actions, unless it is undefined, ' + 'in which case you must return the initial state, regardless of the ' + 'action type. The initial state may not be undefined, but can be null.');\n }\n });\n}\n\n/**\n * Turns an object whose values are different reducer functions, into a single\n * reducer function. It will call every child reducer, and gather their results\n * into a single state object, whose keys correspond to the keys of the passed\n * reducer functions.\n *\n * @param {Object} reducers An object whose values correspond to different\n * reducer functions that need to be combined into one. One handy way to obtain\n * it is to use ES6 `import * as reducers` syntax. The reducers may never return\n * undefined for any action. Instead, they should return their initial state\n * if the state passed to them was undefined, and the current state for any\n * unrecognized action.\n *\n * @returns {Function} A reducer function that invokes every reducer inside the\n * passed object, and builds a state object with the same shape.\n */\nfunction combineReducers(reducers) {\n var reducerKeys = Object.keys(reducers);\n var finalReducers = {};\n for (var i = 0; i < reducerKeys.length; i++) {\n var key = reducerKeys[i];\n\n if (Object({\"BUILD\":undefined}).NODE_ENV !== 'production') {\n if (typeof reducers[key] === 'undefined') {\n warning('No reducer provided for key \"' + key + '\"');\n }\n }\n\n if (typeof reducers[key] === 'function') {\n finalReducers[key] = reducers[key];\n }\n }\n var finalReducerKeys = Object.keys(finalReducers);\n\n var unexpectedKeyCache = void 0;\n if (Object({\"BUILD\":undefined}).NODE_ENV !== 'production') {\n unexpectedKeyCache = {};\n }\n\n var shapeAssertionError = void 0;\n try {\n assertReducerShape(finalReducers);\n } catch (e) {\n shapeAssertionError = e;\n }\n\n return function combination() {\n var state = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};\n var action = arguments[1];\n\n if (shapeAssertionError) {\n throw shapeAssertionError;\n }\n\n if (Object({\"BUILD\":undefined}).NODE_ENV !== 'production') {\n var warningMessage = getUnexpectedStateShapeWarningMessage(state, finalReducers, action, unexpectedKeyCache);\n if (warningMessage) {\n warning(warningMessage);\n }\n }\n\n var hasChanged = false;\n var nextState = {};\n for (var _i = 0; _i < finalReducerKeys.length; _i++) {\n var _key = finalReducerKeys[_i];\n var reducer = finalReducers[_key];\n var previousStateForKey = state[_key];\n var nextStateForKey = reducer(previousStateForKey, action);\n if (typeof nextStateForKey === 'undefined') {\n var errorMessage = getUndefinedStateErrorMessage(_key, action);\n throw new Error(errorMessage);\n }\n nextState[_key] = nextStateForKey;\n hasChanged = hasChanged || nextStateForKey !== previousStateForKey;\n }\n return hasChanged ? nextState : state;\n };\n}\n// CONCATENATED MODULE: ./node_modules/redux/es/bindActionCreators.js\nfunction bindActionCreator(actionCreator, dispatch) {\n return function () {\n return dispatch(actionCreator.apply(undefined, arguments));\n };\n}\n\n/**\n * Turns an object whose values are action creators, into an object with the\n * same keys, but with every function wrapped into a `dispatch` call so they\n * may be invoked directly. This is just a convenience method, as you can call\n * `store.dispatch(MyActionCreators.doSomething())` yourself just fine.\n *\n * For convenience, you can also pass a single function as the first argument,\n * and get a function in return.\n *\n * @param {Function|Object} actionCreators An object whose values are action\n * creator functions. One handy way to obtain it is to use ES6 `import * as`\n * syntax. You may also pass a single function.\n *\n * @param {Function} dispatch The `dispatch` function available on your Redux\n * store.\n *\n * @returns {Function|Object} The object mimicking the original object, but with\n * every action creator wrapped into the `dispatch` call. If you passed a\n * function as `actionCreators`, the return value will also be a single\n * function.\n */\nfunction bindActionCreators(actionCreators, dispatch) {\n if (typeof actionCreators === 'function') {\n return bindActionCreator(actionCreators, dispatch);\n }\n\n if (typeof actionCreators !== 'object' || actionCreators === null) {\n throw new Error('bindActionCreators expected an object or a function, instead received ' + (actionCreators === null ? 'null' : typeof actionCreators) + '. ' + 'Did you write \"import ActionCreators from\" instead of \"import * as ActionCreators from\"?');\n }\n\n var keys = Object.keys(actionCreators);\n var boundActionCreators = {};\n for (var i = 0; i < keys.length; i++) {\n var key = keys[i];\n var actionCreator = actionCreators[key];\n if (typeof actionCreator === 'function') {\n boundActionCreators[key] = bindActionCreator(actionCreator, dispatch);\n }\n }\n return boundActionCreators;\n}\n// CONCATENATED MODULE: ./node_modules/redux/es/compose.js\n/**\n * Composes single-argument functions from right to left. The rightmost\n * function can take multiple arguments as it provides the signature for\n * the resulting composite function.\n *\n * @param {...Function} funcs The functions to compose.\n * @returns {Function} A function obtained by composing the argument functions\n * from right to left. For example, compose(f, g, h) is identical to doing\n * (...args) => f(g(h(...args))).\n */\n\nfunction compose() {\n for (var _len = arguments.length, funcs = Array(_len), _key = 0; _key < _len; _key++) {\n funcs[_key] = arguments[_key];\n }\n\n if (funcs.length === 0) {\n return function (arg) {\n return arg;\n };\n }\n\n if (funcs.length === 1) {\n return funcs[0];\n }\n\n return funcs.reduce(function (a, b) {\n return function () {\n return a(b.apply(undefined, arguments));\n };\n });\n}\n// CONCATENATED MODULE: ./node_modules/redux/es/applyMiddleware.js\nvar _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };\n\n\n\n/**\n * Creates a store enhancer that applies middleware to the dispatch method\n * of the Redux store. This is handy for a variety of tasks, such as expressing\n * asynchronous actions in a concise manner, or logging every action payload.\n *\n * See `redux-thunk` package as an example of the Redux middleware.\n *\n * Because middleware is potentially asynchronous, this should be the first\n * store enhancer in the composition chain.\n *\n * Note that each middleware will be given the `dispatch` and `getState` functions\n * as named arguments.\n *\n * @param {...Function} middlewares The middleware chain to be applied.\n * @returns {Function} A store enhancer applying the middleware.\n */\nfunction applyMiddleware() {\n for (var _len = arguments.length, middlewares = Array(_len), _key = 0; _key < _len; _key++) {\n middlewares[_key] = arguments[_key];\n }\n\n return function (createStore) {\n return function (reducer, preloadedState, enhancer) {\n var store = createStore(reducer, preloadedState, enhancer);\n var _dispatch = store.dispatch;\n var chain = [];\n\n var middlewareAPI = {\n getState: store.getState,\n dispatch: function dispatch(action) {\n return _dispatch(action);\n }\n };\n chain = middlewares.map(function (middleware) {\n return middleware(middlewareAPI);\n });\n _dispatch = compose.apply(undefined, chain)(store.dispatch);\n\n return _extends({}, store, {\n dispatch: _dispatch\n });\n };\n };\n}\n// CONCATENATED MODULE: ./node_modules/redux/es/index.js\n/* concated harmony reexport */__webpack_require__.d(__webpack_exports__, \"createStore\", function() { return createStore_createStore; });\n/* concated harmony reexport */__webpack_require__.d(__webpack_exports__, \"combineReducers\", function() { return combineReducers; });\n/* concated harmony reexport */__webpack_require__.d(__webpack_exports__, \"bindActionCreators\", function() { return bindActionCreators; });\n/* concated harmony reexport */__webpack_require__.d(__webpack_exports__, \"applyMiddleware\", function() { return applyMiddleware; });\n/* concated harmony reexport */__webpack_require__.d(__webpack_exports__, \"compose\", function() { return compose; });\n\n\n\n\n\n\n\n/*\n* This is a dummy function to check if the function name has been altered by minification.\n* If the function has been minified and NODE_ENV !== 'production', warn the user.\n*/\nfunction isCrushed() {}\n\nif (Object({\"BUILD\":undefined}).NODE_ENV !== 'production' && typeof isCrushed.name === 'string' && isCrushed.name !== 'isCrushed') {\n warning('You are currently using minified code outside of NODE_ENV === \\'production\\'. ' + 'This means that you are running a slower development build of Redux. ' + 'You can use loose-envify (https://github.com/zertosh/loose-envify) for browserify ' + 'or DefinePlugin for webpack (http://stackoverflow.com/questions/30030031) ' + 'to ensure you have the correct code for your production build.');\n}\n\n\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/redux/es/index.js + 6 modules\n// module id = 30\n// module chunks = 0\n\n//# sourceURL=webpack:///./node_modules/redux/es/index.js_+_6_modules?")},function(module,exports,__webpack_require__){eval("var __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;/*\n The MIT License (MIT)\n\n Copyright (c) 2007-2017 Einar Lielmanis, Liam Newman, and contributors.\n\n Permission is hereby granted, free of charge, to any person\n obtaining a copy of this software and associated documentation files\n (the \"Software\"), to deal in the Software without restriction,\n including without limitation the rights to use, copy, modify, merge,\n publish, distribute, sublicense, and/or sell copies of the Software,\n and to permit persons to whom the Software is furnished to do so,\n subject to the following conditions:\n\n The above copyright notice and this permission notice shall be\n included in all copies or substantial portions of the Software.\n\n THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND,\n EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\n NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS\n BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN\n ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\n CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n SOFTWARE.\n\n*/\n\n/**\nThe following batches are equivalent:\n\nvar beautify_js = require('js-beautify');\nvar beautify_js = require('js-beautify').js;\nvar beautify_js = require('js-beautify').js_beautify;\n\nvar beautify_css = require('js-beautify').css;\nvar beautify_css = require('js-beautify').css_beautify;\n\nvar beautify_html = require('js-beautify').html;\nvar beautify_html = require('js-beautify').html_beautify;\n\nAll methods returned accept two arguments, the source string and an options object.\n**/\n\nfunction get_beautify(js_beautify, css_beautify, html_beautify) {\n // the default is js\n var beautify = function(src, config) {\n return js_beautify.js_beautify(src, config);\n };\n\n // short aliases\n beautify.js = js_beautify.js_beautify;\n beautify.css = css_beautify.css_beautify;\n beautify.html = html_beautify.html_beautify;\n\n // legacy aliases\n beautify.js_beautify = js_beautify.js_beautify;\n beautify.css_beautify = css_beautify.css_beautify;\n beautify.html_beautify = html_beautify.html_beautify;\n\n return beautify;\n}\n\nif (true) {\n // Add support for AMD ( https://github.com/amdjs/amdjs-api/wiki/AMD#defineamd-property- )\n !(__WEBPACK_AMD_DEFINE_ARRAY__ = [\n __webpack_require__(17),\n __webpack_require__(18),\n __webpack_require__(65)\n ], __WEBPACK_AMD_DEFINE_RESULT__ = function(js_beautify, css_beautify, html_beautify) {\n return get_beautify(js_beautify, css_beautify, html_beautify);\n }.apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__),\n\t\t\t\t__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__));\n} else {\n (function(mod) {\n var js_beautify = require('./lib/beautify');\n var css_beautify = require('./lib/beautify-css');\n var html_beautify = require('./lib/beautify-html');\n\n mod.exports = get_beautify(js_beautify, css_beautify, html_beautify);\n\n })(module);\n}\n\n//////////////////\n// WEBPACK FOOTER\n// ./node_modules/js-beautify/js/index.js\n// module id = 31\n// module chunks = 0\n\n//# sourceURL=webpack:///./node_modules/js-beautify/js/index.js?")},function(module,exports,__webpack_require__){"use strict";eval("\n\nvar _react = __webpack_require__(0);\n\nvar _react2 = _interopRequireDefault(_react);\n\nvar _reactDom = __webpack_require__(37);\n\nvar _reactRedux = __webpack_require__(10);\n\nvar _redux = __webpack_require__(30);\n\nvar _reducers = __webpack_require__(61);\n\nvar _reducers2 = _interopRequireDefault(_reducers);\n\nvar _App = __webpack_require__(62);\n\nvar _App2 = _interopRequireDefault(_App);\n\nfunction _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }\n\n__webpack_require__(71);\n__webpack_require__(79);\n__webpack_require__(80);\n__webpack_require__(81);\n\nvar initialState = {\n app: {\n theme: 'xq-light',\n mode: 'xml'\n }\n};\n\nvar app = (0, _redux.combineReducers)({\n app: _reducers2.default\n});\n\nvar store = (0, _redux.createStore)(app, initialState);\n\n(0, _reactDom.render)(_react2.default.createElement(\n _reactRedux.Provider,\n { store: store },\n _react2.default.createElement(_App2.default, null)\n), document.getElementById('app'));\n\n//////////////////\n// WEBPACK FOOTER\n// ./docs/src/index.jsx\n// module id = 32\n// module chunks = 0\n\n//# sourceURL=webpack:///./docs/src/index.jsx?")},function(module,exports,__webpack_require__){"use strict";eval('/*\n React v16.0.0\n react.production.min.js\n\n Copyright (c) 2013-present, Facebook, Inc.\n\n This source code is licensed under the MIT license found in the\n LICENSE file in the root directory of this source tree.\n*/\nvar f=__webpack_require__(1),p=__webpack_require__(19);__webpack_require__(5);var r=__webpack_require__(6);\nfunction t(a){for(var b=arguments.length-1,d="Minified React error #"+a+"; visit http://facebook.github.io/react/docs/error-decoder.html?invariant\\x3d"+a,e=0;eK.length&&K.push(a)}\nfunction N(a,b,d,e){var c=typeof a;if("undefined"===c||"boolean"===c)a=null;if(null===a||"string"===c||"number"===c||"object"===c&&a.$$typeof===I)return d(e,a,""===b?"."+O(a,0):b),1;var g=0;b=""===b?".":b+":";if(Array.isArray(a))for(var k=0;k 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {\n args[_key - 1] = arguments[_key];\n }\n\n var argIndex = 0;\n var message = 'Warning: ' + format.replace(/%s/g, function () {\n return args[argIndex++];\n });\n if (typeof console !== 'undefined') {\n console.warn(message);\n }\n try {\n // --- Welcome to debugging React ---\n // This error was thrown as a convenience so that you can use this stack\n // to find the callsite that caused this warning to fire.\n throw new Error(message);\n } catch (x) {}\n };\n\n lowPriorityWarning = function (condition, format) {\n if (format === undefined) {\n throw new Error('`warning(condition, format, ...args)` requires a warning ' + 'message argument');\n }\n if (!condition) {\n for (var _len2 = arguments.length, args = Array(_len2 > 2 ? _len2 - 2 : 0), _key2 = 2; _key2 < _len2; _key2++) {\n args[_key2 - 2] = arguments[_key2];\n }\n\n printWarning.apply(undefined, [format].concat(args));\n }\n };\n}\n\nvar lowPriorityWarning_1 = lowPriorityWarning;\n\n/**\n * Base class helpers for the updating state of a component.\n */\nfunction ReactComponent(props, context, updater) {\n this.props = props;\n this.context = context;\n this.refs = emptyObject;\n // We initialize the default updater but the real one gets injected by the\n // renderer.\n this.updater = updater || ReactNoopUpdateQueue_1;\n}\n\nReactComponent.prototype.isReactComponent = {};\n\n/**\n * Sets a subset of the state. Always use this to mutate\n * state. You should treat `this.state` as immutable.\n *\n * There is no guarantee that `this.state` will be immediately updated, so\n * accessing `this.state` after calling this method may return the old value.\n *\n * There is no guarantee that calls to `setState` will run synchronously,\n * as they may eventually be batched together. You can provide an optional\n * callback that will be executed when the call to setState is actually\n * completed.\n *\n * When a function is provided to setState, it will be called at some point in\n * the future (not synchronously). It will be called with the up to date\n * component arguments (state, props, context). These values can be different\n * from this.* because your function may be called after receiveProps but before\n * shouldComponentUpdate, and this new state, props, and context will not yet be\n * assigned to this.\n *\n * @param {object|function} partialState Next partial state or function to\n * produce next partial state to be merged with current state.\n * @param {?function} callback Called after state is updated.\n * @final\n * @protected\n */\nReactComponent.prototype.setState = function (partialState, callback) {\n !(typeof partialState === 'object' || typeof partialState === 'function' || partialState == null) ? invariant(false, 'setState(...): takes an object of state variables to update or a function which returns an object of state variables.') : void 0;\n this.updater.enqueueSetState(this, partialState, callback, 'setState');\n};\n\n/**\n * Forces an update. This should only be invoked when it is known with\n * certainty that we are **not** in a DOM transaction.\n *\n * You may want to call this when you know that some deeper aspect of the\n * component's state has changed but `setState` was not called.\n *\n * This will not invoke `shouldComponentUpdate`, but it will invoke\n * `componentWillUpdate` and `componentDidUpdate`.\n *\n * @param {?function} callback Called after update is complete.\n * @final\n * @protected\n */\nReactComponent.prototype.forceUpdate = function (callback) {\n this.updater.enqueueForceUpdate(this, callback, 'forceUpdate');\n};\n\n/**\n * Deprecated APIs. These APIs used to exist on classic React classes but since\n * we would like to deprecate them, we're not going to move them over to this\n * modern base class. Instead, we define a getter that warns if it's accessed.\n */\n{\n var deprecatedAPIs = {\n isMounted: ['isMounted', 'Instead, make sure to clean up subscriptions and pending requests in ' + 'componentWillUnmount to prevent memory leaks.'],\n replaceState: ['replaceState', 'Refactor your code to use setState instead (see ' + 'https://github.com/facebook/react/issues/3236).']\n };\n var defineDeprecationWarning = function (methodName, info) {\n Object.defineProperty(ReactComponent.prototype, methodName, {\n get: function () {\n lowPriorityWarning_1(false, '%s(...) is deprecated in plain JavaScript React classes. %s', info[0], info[1]);\n return undefined;\n }\n });\n };\n for (var fnName in deprecatedAPIs) {\n if (deprecatedAPIs.hasOwnProperty(fnName)) {\n defineDeprecationWarning(fnName, deprecatedAPIs[fnName]);\n }\n }\n}\n\n/**\n * Base class helpers for the updating state of a component.\n */\nfunction ReactPureComponent(props, context, updater) {\n // Duplicated from ReactComponent.\n this.props = props;\n this.context = context;\n this.refs = emptyObject;\n // We initialize the default updater but the real one gets injected by the\n // renderer.\n this.updater = updater || ReactNoopUpdateQueue_1;\n}\n\nfunction ComponentDummy() {}\nComponentDummy.prototype = ReactComponent.prototype;\nvar pureComponentPrototype = ReactPureComponent.prototype = new ComponentDummy();\npureComponentPrototype.constructor = ReactPureComponent;\n// Avoid an extra prototype jump for these methods.\nobjectAssign$1(pureComponentPrototype, ReactComponent.prototype);\npureComponentPrototype.isPureReactComponent = true;\n\nfunction ReactAsyncComponent(props, context, updater) {\n // Duplicated from ReactComponent.\n this.props = props;\n this.context = context;\n this.refs = emptyObject;\n // We initialize the default updater but the real one gets injected by the\n // renderer.\n this.updater = updater || ReactNoopUpdateQueue_1;\n}\n\nvar asyncComponentPrototype = ReactAsyncComponent.prototype = new ComponentDummy();\nasyncComponentPrototype.constructor = ReactAsyncComponent;\n// Avoid an extra prototype jump for these methods.\nobjectAssign$1(asyncComponentPrototype, ReactComponent.prototype);\nasyncComponentPrototype.unstable_isAsyncReactComponent = true;\nasyncComponentPrototype.render = function () {\n return this.props.children;\n};\n\nvar ReactBaseClasses = {\n Component: ReactComponent,\n PureComponent: ReactPureComponent,\n AsyncComponent: ReactAsyncComponent\n};\n\n/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n *\n * @providesModule ReactCurrentOwner\n * \n */\n\n/**\n * Keeps track of the current owner.\n *\n * The current owner is the component who should own any components that are\n * currently being constructed.\n */\nvar ReactCurrentOwner = {\n /**\n * @internal\n * @type {ReactComponent}\n */\n current: null\n};\n\nvar ReactCurrentOwner_1 = ReactCurrentOwner;\n\nvar hasOwnProperty = Object.prototype.hasOwnProperty;\n\n{\n var warning$2 = require$$0;\n}\n\n// The Symbol used to tag the ReactElement type. If there is no native Symbol\n// nor polyfill, then a plain number is used for performance.\nvar REACT_ELEMENT_TYPE$1 = typeof Symbol === 'function' && Symbol['for'] && Symbol['for']('react.element') || 0xeac7;\n\nvar RESERVED_PROPS = {\n key: true,\n ref: true,\n __self: true,\n __source: true\n};\n\nvar specialPropKeyWarningShown;\nvar specialPropRefWarningShown;\n\nfunction hasValidRef(config) {\n {\n if (hasOwnProperty.call(config, 'ref')) {\n var getter = Object.getOwnPropertyDescriptor(config, 'ref').get;\n if (getter && getter.isReactWarning) {\n return false;\n }\n }\n }\n return config.ref !== undefined;\n}\n\nfunction hasValidKey(config) {\n {\n if (hasOwnProperty.call(config, 'key')) {\n var getter = Object.getOwnPropertyDescriptor(config, 'key').get;\n if (getter && getter.isReactWarning) {\n return false;\n }\n }\n }\n return config.key !== undefined;\n}\n\nfunction defineKeyPropWarningGetter(props, displayName) {\n var warnAboutAccessingKey = function () {\n if (!specialPropKeyWarningShown) {\n specialPropKeyWarningShown = true;\n warning$2(false, '%s: `key` is not a prop. Trying to access it will result ' + 'in `undefined` being returned. If you need to access the same ' + 'value within the child component, you should pass it as a different ' + 'prop. (https://fb.me/react-special-props)', displayName);\n }\n };\n warnAboutAccessingKey.isReactWarning = true;\n Object.defineProperty(props, 'key', {\n get: warnAboutAccessingKey,\n configurable: true\n });\n}\n\nfunction defineRefPropWarningGetter(props, displayName) {\n var warnAboutAccessingRef = function () {\n if (!specialPropRefWarningShown) {\n specialPropRefWarningShown = true;\n warning$2(false, '%s: `ref` is not a prop. Trying to access it will result ' + 'in `undefined` being returned. If you need to access the same ' + 'value within the child component, you should pass it as a different ' + 'prop. (https://fb.me/react-special-props)', displayName);\n }\n };\n warnAboutAccessingRef.isReactWarning = true;\n Object.defineProperty(props, 'ref', {\n get: warnAboutAccessingRef,\n configurable: true\n });\n}\n\n/**\n * Factory method to create a new React element. This no longer adheres to\n * the class pattern, so do not use new to call it. Also, no instanceof check\n * will work. Instead test $$typeof field against Symbol.for('react.element') to check\n * if something is a React Element.\n *\n * @param {*} type\n * @param {*} key\n * @param {string|object} ref\n * @param {*} self A *temporary* helper to detect places where `this` is\n * different from the `owner` when React.createElement is called, so that we\n * can warn. We want to get rid of owner and replace string `ref`s with arrow\n * functions, and as long as `this` and owner are the same, there will be no\n * change in behavior.\n * @param {*} source An annotation object (added by a transpiler or otherwise)\n * indicating filename, line number, and/or other information.\n * @param {*} owner\n * @param {*} props\n * @internal\n */\nvar ReactElement = function (type, key, ref, self, source, owner, props) {\n var element = {\n // This tag allow us to uniquely identify this as a React Element\n $$typeof: REACT_ELEMENT_TYPE$1,\n\n // Built-in properties that belong on the element\n type: type,\n key: key,\n ref: ref,\n props: props,\n\n // Record the component responsible for creating this element.\n _owner: owner\n };\n\n {\n // The validation flag is currently mutative. We put it on\n // an external backing store so that we can freeze the whole object.\n // This can be replaced with a WeakMap once they are implemented in\n // commonly used development environments.\n element._store = {};\n\n // To make comparing ReactElements easier for testing purposes, we make\n // the validation flag non-enumerable (where possible, which should\n // include every environment we run tests in), so the test framework\n // ignores it.\n Object.defineProperty(element._store, 'validated', {\n configurable: false,\n enumerable: false,\n writable: true,\n value: false\n });\n // self and source are DEV only properties.\n Object.defineProperty(element, '_self', {\n configurable: false,\n enumerable: false,\n writable: false,\n value: self\n });\n // Two elements created in two different places should be considered\n // equal for testing purposes and therefore we hide it from enumeration.\n Object.defineProperty(element, '_source', {\n configurable: false,\n enumerable: false,\n writable: false,\n value: source\n });\n if (Object.freeze) {\n Object.freeze(element.props);\n Object.freeze(element);\n }\n }\n\n return element;\n};\n\n/**\n * Create and return a new ReactElement of the given type.\n * See https://facebook.github.io/react/docs/react-api.html#createelement\n */\nReactElement.createElement = function (type, config, children) {\n var propName;\n\n // Reserved names are extracted\n var props = {};\n\n var key = null;\n var ref = null;\n var self = null;\n var source = null;\n\n if (config != null) {\n if (hasValidRef(config)) {\n ref = config.ref;\n }\n if (hasValidKey(config)) {\n key = '' + config.key;\n }\n\n self = config.__self === undefined ? null : config.__self;\n source = config.__source === undefined ? null : config.__source;\n // Remaining properties are added to a new props object\n for (propName in config) {\n if (hasOwnProperty.call(config, propName) && !RESERVED_PROPS.hasOwnProperty(propName)) {\n props[propName] = config[propName];\n }\n }\n }\n\n // Children can be more than one argument, and those are transferred onto\n // the newly allocated props object.\n var childrenLength = arguments.length - 2;\n if (childrenLength === 1) {\n props.children = children;\n } else if (childrenLength > 1) {\n var childArray = Array(childrenLength);\n for (var i = 0; i < childrenLength; i++) {\n childArray[i] = arguments[i + 2];\n }\n {\n if (Object.freeze) {\n Object.freeze(childArray);\n }\n }\n props.children = childArray;\n }\n\n // Resolve default props\n if (type && type.defaultProps) {\n var defaultProps = type.defaultProps;\n for (propName in defaultProps) {\n if (props[propName] === undefined) {\n props[propName] = defaultProps[propName];\n }\n }\n }\n {\n if (key || ref) {\n if (typeof props.$$typeof === 'undefined' || props.$$typeof !== REACT_ELEMENT_TYPE$1) {\n var displayName = typeof type === 'function' ? type.displayName || type.name || 'Unknown' : type;\n if (key) {\n defineKeyPropWarningGetter(props, displayName);\n }\n if (ref) {\n defineRefPropWarningGetter(props, displayName);\n }\n }\n }\n }\n return ReactElement(type, key, ref, self, source, ReactCurrentOwner_1.current, props);\n};\n\n/**\n * Return a function that produces ReactElements of a given type.\n * See https://facebook.github.io/react/docs/react-api.html#createfactory\n */\nReactElement.createFactory = function (type) {\n var factory = ReactElement.createElement.bind(null, type);\n // Expose the type on the factory and the prototype so that it can be\n // easily accessed on elements. E.g. `.type === Foo`.\n // This should not be named `constructor` since this may not be the function\n // that created the element, and it may not even be a constructor.\n // Legacy hook TODO: Warn if this is accessed\n factory.type = type;\n return factory;\n};\n\nReactElement.cloneAndReplaceKey = function (oldElement, newKey) {\n var newElement = ReactElement(oldElement.type, newKey, oldElement.ref, oldElement._self, oldElement._source, oldElement._owner, oldElement.props);\n\n return newElement;\n};\n\n/**\n * Clone and return a new ReactElement using element as the starting point.\n * See https://facebook.github.io/react/docs/react-api.html#cloneelement\n */\nReactElement.cloneElement = function (element, config, children) {\n var propName;\n\n // Original props are copied\n var props = objectAssign$1({}, element.props);\n\n // Reserved names are extracted\n var key = element.key;\n var ref = element.ref;\n // Self is preserved since the owner is preserved.\n var self = element._self;\n // Source is preserved since cloneElement is unlikely to be targeted by a\n // transpiler, and the original source is probably a better indicator of the\n // true owner.\n var source = element._source;\n\n // Owner will be preserved, unless ref is overridden\n var owner = element._owner;\n\n if (config != null) {\n if (hasValidRef(config)) {\n // Silently steal the ref from the parent.\n ref = config.ref;\n owner = ReactCurrentOwner_1.current;\n }\n if (hasValidKey(config)) {\n key = '' + config.key;\n }\n\n // Remaining properties override existing props\n var defaultProps;\n if (element.type && element.type.defaultProps) {\n defaultProps = element.type.defaultProps;\n }\n for (propName in config) {\n if (hasOwnProperty.call(config, propName) && !RESERVED_PROPS.hasOwnProperty(propName)) {\n if (config[propName] === undefined && defaultProps !== undefined) {\n // Resolve default props\n props[propName] = defaultProps[propName];\n } else {\n props[propName] = config[propName];\n }\n }\n }\n }\n\n // Children can be more than one argument, and those are transferred onto\n // the newly allocated props object.\n var childrenLength = arguments.length - 2;\n if (childrenLength === 1) {\n props.children = children;\n } else if (childrenLength > 1) {\n var childArray = Array(childrenLength);\n for (var i = 0; i < childrenLength; i++) {\n childArray[i] = arguments[i + 2];\n }\n props.children = childArray;\n }\n\n return ReactElement(element.type, key, ref, self, source, owner, props);\n};\n\n/**\n * Verifies the object is a ReactElement.\n * See https://facebook.github.io/react/docs/react-api.html#isvalidelement\n * @param {?object} object\n * @return {boolean} True if `object` is a valid component.\n * @final\n */\nReactElement.isValidElement = function (object) {\n return typeof object === 'object' && object !== null && object.$$typeof === REACT_ELEMENT_TYPE$1;\n};\n\nvar ReactElement_1 = ReactElement;\n\n/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n *\n * @providesModule ReactDebugCurrentFrame\n * \n */\n\nvar ReactDebugCurrentFrame = {};\n\n{\n // Component that is being worked on\n ReactDebugCurrentFrame.getCurrentStack = null;\n\n ReactDebugCurrentFrame.getStackAddendum = function () {\n var impl = ReactDebugCurrentFrame.getCurrentStack;\n if (impl) {\n return impl();\n }\n return null;\n };\n}\n\nvar ReactDebugCurrentFrame_1 = ReactDebugCurrentFrame;\n\n{\n var warning$1 = require$$0;\n\n var _require = ReactDebugCurrentFrame_1,\n getStackAddendum = _require.getStackAddendum;\n}\n\nvar ITERATOR_SYMBOL = typeof Symbol === 'function' && Symbol.iterator;\nvar FAUX_ITERATOR_SYMBOL = '@@iterator'; // Before Symbol spec.\n// The Symbol used to tag the ReactElement type. If there is no native Symbol\n// nor polyfill, then a plain number is used for performance.\nvar REACT_ELEMENT_TYPE = typeof Symbol === 'function' && Symbol['for'] && Symbol['for']('react.element') || 0xeac7;\n\nvar SEPARATOR = '.';\nvar SUBSEPARATOR = ':';\n\n/**\n * Escape and wrap key so it is safe to use as a reactid\n *\n * @param {string} key to be escaped.\n * @return {string} the escaped key.\n */\nfunction escape(key) {\n var escapeRegex = /[=:]/g;\n var escaperLookup = {\n '=': '=0',\n ':': '=2'\n };\n var escapedString = ('' + key).replace(escapeRegex, function (match) {\n return escaperLookup[match];\n });\n\n return '$' + escapedString;\n}\n\n/**\n * TODO: Test that a single child and an array with one item have the same key\n * pattern.\n */\n\nvar didWarnAboutMaps = false;\n\nvar userProvidedKeyEscapeRegex = /\\/+/g;\nfunction escapeUserProvidedKey(text) {\n return ('' + text).replace(userProvidedKeyEscapeRegex, '$&/');\n}\n\nvar POOL_SIZE = 10;\nvar traverseContextPool = [];\nfunction getPooledTraverseContext(mapResult, keyPrefix, mapFunction, mapContext) {\n if (traverseContextPool.length) {\n var traverseContext = traverseContextPool.pop();\n traverseContext.result = mapResult;\n traverseContext.keyPrefix = keyPrefix;\n traverseContext.func = mapFunction;\n traverseContext.context = mapContext;\n traverseContext.count = 0;\n return traverseContext;\n } else {\n return {\n result: mapResult,\n keyPrefix: keyPrefix,\n func: mapFunction,\n context: mapContext,\n count: 0\n };\n }\n}\n\nfunction releaseTraverseContext(traverseContext) {\n traverseContext.result = null;\n traverseContext.keyPrefix = null;\n traverseContext.func = null;\n traverseContext.context = null;\n traverseContext.count = 0;\n if (traverseContextPool.length < POOL_SIZE) {\n traverseContextPool.push(traverseContext);\n }\n}\n\n/**\n * @param {?*} children Children tree container.\n * @param {!string} nameSoFar Name of the key path so far.\n * @param {!function} callback Callback to invoke with each child found.\n * @param {?*} traverseContext Used to pass information throughout the traversal\n * process.\n * @return {!number} The number of children in this subtree.\n */\nfunction traverseAllChildrenImpl(children, nameSoFar, callback, traverseContext) {\n var type = typeof children;\n\n if (type === 'undefined' || type === 'boolean') {\n // All of the above are perceived as null.\n children = null;\n }\n\n if (children === null || type === 'string' || type === 'number' ||\n // The following is inlined from ReactElement. This means we can optimize\n // some checks. React Fiber also inlines this logic for similar purposes.\n type === 'object' && children.$$typeof === REACT_ELEMENT_TYPE) {\n callback(traverseContext, children,\n // If it's the only child, treat the name as if it was wrapped in an array\n // so that it's consistent if the number of children grows.\n nameSoFar === '' ? SEPARATOR + getComponentKey(children, 0) : nameSoFar);\n return 1;\n }\n\n var child;\n var nextName;\n var subtreeCount = 0; // Count of children found in the current subtree.\n var nextNamePrefix = nameSoFar === '' ? SEPARATOR : nameSoFar + SUBSEPARATOR;\n\n if (Array.isArray(children)) {\n for (var i = 0; i < children.length; i++) {\n child = children[i];\n nextName = nextNamePrefix + getComponentKey(child, i);\n subtreeCount += traverseAllChildrenImpl(child, nextName, callback, traverseContext);\n }\n } else {\n var iteratorFn = ITERATOR_SYMBOL && children[ITERATOR_SYMBOL] || children[FAUX_ITERATOR_SYMBOL];\n if (typeof iteratorFn === 'function') {\n {\n // Warn about using Maps as children\n if (iteratorFn === children.entries) {\n warning$1(didWarnAboutMaps, 'Using Maps as children is unsupported and will likely yield ' + 'unexpected results. Convert it to a sequence/iterable of keyed ' + 'ReactElements instead.%s', getStackAddendum());\n didWarnAboutMaps = true;\n }\n }\n\n var iterator = iteratorFn.call(children);\n var step;\n var ii = 0;\n while (!(step = iterator.next()).done) {\n child = step.value;\n nextName = nextNamePrefix + getComponentKey(child, ii++);\n subtreeCount += traverseAllChildrenImpl(child, nextName, callback, traverseContext);\n }\n } else if (type === 'object') {\n var addendum = '';\n {\n addendum = ' If you meant to render a collection of children, use an array ' + 'instead.' + getStackAddendum();\n }\n var childrenString = '' + children;\n invariant(false, 'Objects are not valid as a React child (found: %s).%s', childrenString === '[object Object]' ? 'object with keys {' + Object.keys(children).join(', ') + '}' : childrenString, addendum);\n }\n }\n\n return subtreeCount;\n}\n\n/**\n * Traverses children that are typically specified as `props.children`, but\n * might also be specified through attributes:\n *\n * - `traverseAllChildren(this.props.children, ...)`\n * - `traverseAllChildren(this.props.leftPanelChildren, ...)`\n *\n * The `traverseContext` is an optional argument that is passed through the\n * entire traversal. It can be used to store accumulations or anything else that\n * the callback might find relevant.\n *\n * @param {?*} children Children tree object.\n * @param {!function} callback To invoke upon traversing each child.\n * @param {?*} traverseContext Context for traversal.\n * @return {!number} The number of children in this subtree.\n */\nfunction traverseAllChildren(children, callback, traverseContext) {\n if (children == null) {\n return 0;\n }\n\n return traverseAllChildrenImpl(children, '', callback, traverseContext);\n}\n\n/**\n * Generate a key string that identifies a component within a set.\n *\n * @param {*} component A component that could contain a manual key.\n * @param {number} index Index that is used if a manual key is not provided.\n * @return {string}\n */\nfunction getComponentKey(component, index) {\n // Do some typechecking here since we call this blindly. We want to ensure\n // that we don't block potential future ES APIs.\n if (typeof component === 'object' && component !== null && component.key != null) {\n // Explicit key\n return escape(component.key);\n }\n // Implicit key determined by the index in the set\n return index.toString(36);\n}\n\nfunction forEachSingleChild(bookKeeping, child, name) {\n var func = bookKeeping.func,\n context = bookKeeping.context;\n\n func.call(context, child, bookKeeping.count++);\n}\n\n/**\n * Iterates through children that are typically specified as `props.children`.\n *\n * See https://facebook.github.io/react/docs/react-api.html#react.children.foreach\n *\n * The provided forEachFunc(child, index) will be called for each\n * leaf child.\n *\n * @param {?*} children Children tree container.\n * @param {function(*, int)} forEachFunc\n * @param {*} forEachContext Context for forEachContext.\n */\nfunction forEachChildren(children, forEachFunc, forEachContext) {\n if (children == null) {\n return children;\n }\n var traverseContext = getPooledTraverseContext(null, null, forEachFunc, forEachContext);\n traverseAllChildren(children, forEachSingleChild, traverseContext);\n releaseTraverseContext(traverseContext);\n}\n\nfunction mapSingleChildIntoContext(bookKeeping, child, childKey) {\n var result = bookKeeping.result,\n keyPrefix = bookKeeping.keyPrefix,\n func = bookKeeping.func,\n context = bookKeeping.context;\n\n\n var mappedChild = func.call(context, child, bookKeeping.count++);\n if (Array.isArray(mappedChild)) {\n mapIntoWithKeyPrefixInternal(mappedChild, result, childKey, emptyFunction.thatReturnsArgument);\n } else if (mappedChild != null) {\n if (ReactElement_1.isValidElement(mappedChild)) {\n mappedChild = ReactElement_1.cloneAndReplaceKey(mappedChild,\n // Keep both the (mapped) and old keys if they differ, just as\n // traverseAllChildren used to do for objects as children\n keyPrefix + (mappedChild.key && (!child || child.key !== mappedChild.key) ? escapeUserProvidedKey(mappedChild.key) + '/' : '') + childKey);\n }\n result.push(mappedChild);\n }\n}\n\nfunction mapIntoWithKeyPrefixInternal(children, array, prefix, func, context) {\n var escapedPrefix = '';\n if (prefix != null) {\n escapedPrefix = escapeUserProvidedKey(prefix) + '/';\n }\n var traverseContext = getPooledTraverseContext(array, escapedPrefix, func, context);\n traverseAllChildren(children, mapSingleChildIntoContext, traverseContext);\n releaseTraverseContext(traverseContext);\n}\n\n/**\n * Maps children that are typically specified as `props.children`.\n *\n * See https://facebook.github.io/react/docs/react-api.html#react.children.map\n *\n * The provided mapFunction(child, key, index) will be called for each\n * leaf child.\n *\n * @param {?*} children Children tree container.\n * @param {function(*, int)} func The map function.\n * @param {*} context Context for mapFunction.\n * @return {object} Object containing the ordered map of results.\n */\nfunction mapChildren(children, func, context) {\n if (children == null) {\n return children;\n }\n var result = [];\n mapIntoWithKeyPrefixInternal(children, result, null, func, context);\n return result;\n}\n\n/**\n * Count the number of children that are typically specified as\n * `props.children`.\n *\n * See https://facebook.github.io/react/docs/react-api.html#react.children.count\n *\n * @param {?*} children Children tree container.\n * @return {number} The number of children.\n */\nfunction countChildren(children, context) {\n return traverseAllChildren(children, emptyFunction.thatReturnsNull, null);\n}\n\n/**\n * Flatten a children object (typically specified as `props.children`) and\n * return an array with appropriately re-keyed children.\n *\n * See https://facebook.github.io/react/docs/react-api.html#react.children.toarray\n */\nfunction toArray(children) {\n var result = [];\n mapIntoWithKeyPrefixInternal(children, result, null, emptyFunction.thatReturnsArgument);\n return result;\n}\n\nvar ReactChildren = {\n forEach: forEachChildren,\n map: mapChildren,\n count: countChildren,\n toArray: toArray\n};\n\nvar ReactChildren_1 = ReactChildren;\n\n/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n *\n * @providesModule ReactVersion\n */\n\nvar ReactVersion = '16.0.0';\n\n/**\n * Returns the first child in a collection of children and verifies that there\n * is only one child in the collection.\n *\n * See https://facebook.github.io/react/docs/react-api.html#react.children.only\n *\n * The current implementation of this function assumes that a single child gets\n * passed without a wrapper, but the purpose of this helper function is to\n * abstract away the particular structure of children.\n *\n * @param {?object} children Child collection structure.\n * @return {ReactElement} The first and only `ReactElement` contained in the\n * structure.\n */\nfunction onlyChild(children) {\n !ReactElement_1.isValidElement(children) ? invariant(false, 'React.Children.only expected to receive a single React element child.') : void 0;\n return children;\n}\n\nvar onlyChild_1 = onlyChild;\n\n/**\n * Copyright (c) 2016-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n *\n * \n * @providesModule describeComponentFrame\n */\n\nvar describeComponentFrame$1 = function (name, source, ownerName) {\n return '\\n in ' + (name || 'Unknown') + (source ? ' (at ' + source.fileName.replace(/^.*[\\\\\\/]/, '') + ':' + source.lineNumber + ')' : ownerName ? ' (created by ' + ownerName + ')' : '');\n};\n\n/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n *\n * @providesModule getComponentName\n * \n */\n\nfunction getComponentName$1(instanceOrFiber) {\n if (typeof instanceOrFiber.getName === 'function') {\n // Stack reconciler\n var instance = instanceOrFiber;\n return instance.getName();\n }\n if (typeof instanceOrFiber.tag === 'number') {\n // Fiber reconciler\n var fiber = instanceOrFiber;\n var type = fiber.type;\n\n if (typeof type === 'string') {\n return type;\n }\n if (typeof type === 'function') {\n return type.displayName || type.name;\n }\n }\n return null;\n}\n\nvar getComponentName_1 = getComponentName$1;\n\n{\n var checkPropTypes$1 = checkPropTypes;\n var lowPriorityWarning$1 = lowPriorityWarning_1;\n var ReactDebugCurrentFrame$1 = ReactDebugCurrentFrame_1;\n var warning$3 = require$$0;\n var describeComponentFrame = describeComponentFrame$1;\n var getComponentName = getComponentName_1;\n\n var currentlyValidatingElement = null;\n\n var getDisplayName = function (element) {\n if (element == null) {\n return '#empty';\n } else if (typeof element === 'string' || typeof element === 'number') {\n return '#text';\n } else if (typeof element.type === 'string') {\n return element.type;\n } else {\n return element.type.displayName || element.type.name || 'Unknown';\n }\n };\n\n var getStackAddendum$1 = function () {\n var stack = '';\n if (currentlyValidatingElement) {\n var name = getDisplayName(currentlyValidatingElement);\n var owner = currentlyValidatingElement._owner;\n stack += describeComponentFrame(name, currentlyValidatingElement._source, owner && getComponentName(owner));\n }\n stack += ReactDebugCurrentFrame$1.getStackAddendum() || '';\n return stack;\n };\n}\n\nvar ITERATOR_SYMBOL$1 = typeof Symbol === 'function' && Symbol.iterator;\nvar FAUX_ITERATOR_SYMBOL$1 = '@@iterator'; // Before Symbol spec.\n\nfunction getDeclarationErrorAddendum() {\n if (ReactCurrentOwner_1.current) {\n var name = getComponentName(ReactCurrentOwner_1.current);\n if (name) {\n return '\\n\\nCheck the render method of `' + name + '`.';\n }\n }\n return '';\n}\n\nfunction getSourceInfoErrorAddendum(elementProps) {\n if (elementProps !== null && elementProps !== undefined && elementProps.__source !== undefined) {\n var source = elementProps.__source;\n var fileName = source.fileName.replace(/^.*[\\\\\\/]/, '');\n var lineNumber = source.lineNumber;\n return '\\n\\nCheck your code at ' + fileName + ':' + lineNumber + '.';\n }\n return '';\n}\n\n/**\n * Warn if there's no key explicitly set on dynamic arrays of children or\n * object keys are not valid. This allows us to keep track of children between\n * updates.\n */\nvar ownerHasKeyUseWarning = {};\n\nfunction getCurrentComponentErrorInfo(parentType) {\n var info = getDeclarationErrorAddendum();\n\n if (!info) {\n var parentName = typeof parentType === 'string' ? parentType : parentType.displayName || parentType.name;\n if (parentName) {\n info = '\\n\\nCheck the top-level render call using <' + parentName + '>.';\n }\n }\n return info;\n}\n\n/**\n * Warn if the element doesn't have an explicit key assigned to it.\n * This element is in an array. The array could grow and shrink or be\n * reordered. All children that haven't already been validated are required to\n * have a \"key\" property assigned to it. Error statuses are cached so a warning\n * will only be shown once.\n *\n * @internal\n * @param {ReactElement} element Element that requires a key.\n * @param {*} parentType element's parent's type.\n */\nfunction validateExplicitKey(element, parentType) {\n if (!element._store || element._store.validated || element.key != null) {\n return;\n }\n element._store.validated = true;\n\n var currentComponentErrorInfo = getCurrentComponentErrorInfo(parentType);\n if (ownerHasKeyUseWarning[currentComponentErrorInfo]) {\n return;\n }\n ownerHasKeyUseWarning[currentComponentErrorInfo] = true;\n\n // Usually the current owner is the offender, but if it accepts children as a\n // property, it may be the creator of the child that's responsible for\n // assigning it a key.\n var childOwner = '';\n if (element && element._owner && element._owner !== ReactCurrentOwner_1.current) {\n // Give the component that originally created this child.\n childOwner = ' It was passed a child from ' + getComponentName(element._owner) + '.';\n }\n\n currentlyValidatingElement = element;\n {\n warning$3(false, 'Each child in an array or iterator should have a unique \"key\" prop.' + '%s%s See https://fb.me/react-warning-keys for more information.%s', currentComponentErrorInfo, childOwner, getStackAddendum$1());\n }\n currentlyValidatingElement = null;\n}\n\n/**\n * Ensure that every element either is passed in a static location, in an\n * array with an explicit keys property defined, or in an object literal\n * with valid key property.\n *\n * @internal\n * @param {ReactNode} node Statically passed child of any type.\n * @param {*} parentType node's parent's type.\n */\nfunction validateChildKeys(node, parentType) {\n if (typeof node !== 'object') {\n return;\n }\n if (Array.isArray(node)) {\n for (var i = 0; i < node.length; i++) {\n var child = node[i];\n if (ReactElement_1.isValidElement(child)) {\n validateExplicitKey(child, parentType);\n }\n }\n } else if (ReactElement_1.isValidElement(node)) {\n // This element was passed in a valid location.\n if (node._store) {\n node._store.validated = true;\n }\n } else if (node) {\n var iteratorFn = ITERATOR_SYMBOL$1 && node[ITERATOR_SYMBOL$1] || node[FAUX_ITERATOR_SYMBOL$1];\n if (typeof iteratorFn === 'function') {\n // Entry iterators used to provide implicit keys,\n // but now we print a separate warning for them later.\n if (iteratorFn !== node.entries) {\n var iterator = iteratorFn.call(node);\n var step;\n while (!(step = iterator.next()).done) {\n if (ReactElement_1.isValidElement(step.value)) {\n validateExplicitKey(step.value, parentType);\n }\n }\n }\n }\n }\n}\n\n/**\n * Given an element, validate that its props follow the propTypes definition,\n * provided by the type.\n *\n * @param {ReactElement} element\n */\nfunction validatePropTypes(element) {\n var componentClass = element.type;\n if (typeof componentClass !== 'function') {\n return;\n }\n var name = componentClass.displayName || componentClass.name;\n var propTypes = componentClass.propTypes;\n\n if (propTypes) {\n currentlyValidatingElement = element;\n checkPropTypes$1(propTypes, element.props, 'prop', name, getStackAddendum$1);\n currentlyValidatingElement = null;\n }\n if (typeof componentClass.getDefaultProps === 'function') {\n warning$3(componentClass.getDefaultProps.isReactClassApproved, 'getDefaultProps is only used on classic React.createClass ' + 'definitions. Use a static property named `defaultProps` instead.');\n }\n}\n\nvar ReactElementValidator$1 = {\n createElement: function (type, props, children) {\n var validType = typeof type === 'string' || typeof type === 'function';\n // We warn in this case but don't throw. We expect the element creation to\n // succeed and there will likely be errors in render.\n if (!validType) {\n var info = '';\n if (type === undefined || typeof type === 'object' && type !== null && Object.keys(type).length === 0) {\n info += ' You likely forgot to export your component from the file ' + \"it's defined in.\";\n }\n\n var sourceInfo = getSourceInfoErrorAddendum(props);\n if (sourceInfo) {\n info += sourceInfo;\n } else {\n info += getDeclarationErrorAddendum();\n }\n\n info += ReactDebugCurrentFrame$1.getStackAddendum() || '';\n\n warning$3(false, 'React.createElement: type is invalid -- expected a string (for ' + 'built-in components) or a class/function (for composite ' + 'components) but got: %s.%s', type == null ? type : typeof type, info);\n }\n\n var element = ReactElement_1.createElement.apply(this, arguments);\n\n // The result can be nullish if a mock or a custom function is used.\n // TODO: Drop this when these are no longer allowed as the type argument.\n if (element == null) {\n return element;\n }\n\n // Skip key warning if the type isn't valid since our key validation logic\n // doesn't expect a non-string/function type and can throw confusing errors.\n // We don't want exception behavior to differ between dev and prod.\n // (Rendering will throw with a helpful message and as soon as the type is\n // fixed, the key warnings will appear.)\n if (validType) {\n for (var i = 2; i < arguments.length; i++) {\n validateChildKeys(arguments[i], type);\n }\n }\n\n validatePropTypes(element);\n\n return element;\n },\n\n createFactory: function (type) {\n var validatedFactory = ReactElementValidator$1.createElement.bind(null, type);\n // Legacy hook TODO: Warn if this is accessed\n validatedFactory.type = type;\n\n {\n Object.defineProperty(validatedFactory, 'type', {\n enumerable: false,\n get: function () {\n lowPriorityWarning$1(false, 'Factory.type is deprecated. Access the class directly ' + 'before passing it to createFactory.');\n Object.defineProperty(this, 'type', {\n value: type\n });\n return type;\n }\n });\n }\n\n return validatedFactory;\n },\n\n cloneElement: function (element, props, children) {\n var newElement = ReactElement_1.cloneElement.apply(this, arguments);\n for (var i = 2; i < arguments.length; i++) {\n validateChildKeys(arguments[i], newElement.type);\n }\n validatePropTypes(newElement);\n return newElement;\n }\n};\n\nvar ReactElementValidator_1 = ReactElementValidator$1;\n\n{\n var warning$4 = require$$0;\n}\n\nfunction isNative(fn) {\n // Based on isNative() from Lodash\n var funcToString = Function.prototype.toString;\n var reIsNative = RegExp('^' + funcToString\n // Take an example native function source for comparison\n .call(Object.prototype.hasOwnProperty)\n // Strip regex characters so we can use it for regex\n .replace(/[\\\\^$.*+?()[\\]{}|]/g, '\\\\$&')\n // Remove hasOwnProperty from the template to make it generic\n .replace(/hasOwnProperty|(function).*?(?=\\\\\\()| for .+?(?=\\\\\\])/g, '$1.*?') + '$');\n try {\n var source = funcToString.call(fn);\n return reIsNative.test(source);\n } catch (err) {\n return false;\n }\n}\n\nvar canUseCollections =\n// Array.from\ntypeof Array.from === 'function' &&\n// Map\ntypeof Map === 'function' && isNative(Map) &&\n// Map.prototype.keys\nMap.prototype != null && typeof Map.prototype.keys === 'function' && isNative(Map.prototype.keys) &&\n// Set\ntypeof Set === 'function' && isNative(Set) &&\n// Set.prototype.keys\nSet.prototype != null && typeof Set.prototype.keys === 'function' && isNative(Set.prototype.keys);\n\nvar setItem;\nvar getItem;\nvar removeItem;\nvar getItemIDs;\nvar addRoot;\nvar removeRoot;\nvar getRootIDs;\n\nif (canUseCollections) {\n var itemMap = new Map();\n var rootIDSet = new Set();\n\n setItem = function (id, item) {\n itemMap.set(id, item);\n };\n getItem = function (id) {\n return itemMap.get(id);\n };\n removeItem = function (id) {\n itemMap['delete'](id);\n };\n getItemIDs = function () {\n return Array.from(itemMap.keys());\n };\n\n addRoot = function (id) {\n rootIDSet.add(id);\n };\n removeRoot = function (id) {\n rootIDSet['delete'](id);\n };\n getRootIDs = function () {\n return Array.from(rootIDSet.keys());\n };\n} else {\n var itemByKey = {};\n var rootByKey = {};\n\n // Use non-numeric keys to prevent V8 performance issues:\n // https://github.com/facebook/react/pull/7232\n var getKeyFromID = function (id) {\n return '.' + id;\n };\n var getIDFromKey = function (key) {\n return parseInt(key.substr(1), 10);\n };\n\n setItem = function (id, item) {\n var key = getKeyFromID(id);\n itemByKey[key] = item;\n };\n getItem = function (id) {\n var key = getKeyFromID(id);\n return itemByKey[key];\n };\n removeItem = function (id) {\n var key = getKeyFromID(id);\n delete itemByKey[key];\n };\n getItemIDs = function () {\n return Object.keys(itemByKey).map(getIDFromKey);\n };\n\n addRoot = function (id) {\n var key = getKeyFromID(id);\n rootByKey[key] = true;\n };\n removeRoot = function (id) {\n var key = getKeyFromID(id);\n delete rootByKey[key];\n };\n getRootIDs = function () {\n return Object.keys(rootByKey).map(getIDFromKey);\n };\n}\n\nvar unmountedIDs = [];\n\nfunction purgeDeep(id) {\n var item = getItem(id);\n if (item) {\n var childIDs = item.childIDs;\n\n removeItem(id);\n childIDs.forEach(purgeDeep);\n }\n}\n\nfunction getDisplayName$1(element) {\n if (element == null) {\n return '#empty';\n } else if (typeof element === 'string' || typeof element === 'number') {\n return '#text';\n } else if (typeof element.type === 'string') {\n return element.type;\n } else {\n return element.type.displayName || element.type.name || 'Unknown';\n }\n}\n\nfunction describeID(id) {\n var name = ReactComponentTreeHook.getDisplayName(id);\n var element = ReactComponentTreeHook.getElement(id);\n var ownerID = ReactComponentTreeHook.getOwnerID(id);\n var ownerName = void 0;\n\n if (ownerID) {\n ownerName = ReactComponentTreeHook.getDisplayName(ownerID);\n }\n warning$4(element, 'ReactComponentTreeHook: Missing React element for debugID %s when ' + 'building stack', id);\n return describeComponentFrame$1(name || '', element && element._source, ownerName || '');\n}\n\nvar ReactComponentTreeHook = {\n onSetChildren: function (id, nextChildIDs) {\n var item = getItem(id);\n !item ? invariant(false, 'Item must have been set') : void 0;\n item.childIDs = nextChildIDs;\n\n for (var i = 0; i < nextChildIDs.length; i++) {\n var nextChildID = nextChildIDs[i];\n var nextChild = getItem(nextChildID);\n !nextChild ? invariant(false, 'Expected hook events to fire for the child before its parent includes it in onSetChildren().') : void 0;\n !(nextChild.childIDs != null || typeof nextChild.element !== 'object' || nextChild.element == null) ? invariant(false, 'Expected onSetChildren() to fire for a container child before its parent includes it in onSetChildren().') : void 0;\n !nextChild.isMounted ? invariant(false, 'Expected onMountComponent() to fire for the child before its parent includes it in onSetChildren().') : void 0;\n if (nextChild.parentID == null) {\n nextChild.parentID = id;\n // TODO: This shouldn't be necessary but mounting a new root during in\n // componentWillMount currently causes not-yet-mounted components to\n // be purged from our tree data so their parent id is missing.\n }\n !(nextChild.parentID === id) ? invariant(false, 'Expected onBeforeMountComponent() parent and onSetChildren() to be consistent (%s has parents %s and %s).', nextChildID, nextChild.parentID, id) : void 0;\n }\n },\n onBeforeMountComponent: function (id, element, parentID) {\n var item = {\n element: element,\n parentID: parentID,\n text: null,\n childIDs: [],\n isMounted: false,\n updateCount: 0\n };\n setItem(id, item);\n },\n onBeforeUpdateComponent: function (id, element) {\n var item = getItem(id);\n if (!item || !item.isMounted) {\n // We may end up here as a result of setState() in componentWillUnmount().\n // In this case, ignore the element.\n return;\n }\n item.element = element;\n },\n onMountComponent: function (id) {\n var item = getItem(id);\n !item ? invariant(false, 'Item must have been set') : void 0;\n item.isMounted = true;\n var isRoot = item.parentID === 0;\n if (isRoot) {\n addRoot(id);\n }\n },\n onUpdateComponent: function (id) {\n var item = getItem(id);\n if (!item || !item.isMounted) {\n // We may end up here as a result of setState() in componentWillUnmount().\n // In this case, ignore the element.\n return;\n }\n item.updateCount++;\n },\n onUnmountComponent: function (id) {\n var item = getItem(id);\n if (item) {\n // We need to check if it exists.\n // `item` might not exist if it is inside an error boundary, and a sibling\n // error boundary child threw while mounting. 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Pj(a,b,c,e,d)},hydrateTextInstance:function(a,b,c){Vj(c,a);return Qj(a,b)},didNotHydrateInstance:function(a,b){1===b.nodeType?Rj(a,b):Sj(a,b)},didNotFindHydratableInstance:function(a,b,c){Tj(a,b,c)},didNotFindHydratableTextInstance:function(a,b){Uj(a,b)},scheduleDeferredCallback:dd.rIC,useSyncScheduling:!0});sb.injection.injectFiberBatchedUpdates(Xj.batchedUpdates);\nfunction ck(a,b,c,d,e){ak(c)?void 0:w("200");var f=c._reactRootContainer;if(f)Xj.updateContainer(b,f,a,e);else{if(!d&&!bk(c))for(d=void 0;d=c.lastChild;)c.removeChild(d);var g=Xj.createContainer(c);f=c._reactRootContainer=g;Xj.unbatchedUpdates(function(){Xj.updateContainer(b,g,a,e)})}return Xj.getPublicRootInstance(f)}function dk(a,b){var c=2 -1) ? invariant(false, 'EventPluginRegistry: Cannot inject event plugins that do not exist in the plugin ordering, `%s`.', pluginName) : void 0;\n if (EventPluginRegistry.plugins[pluginIndex]) {\n continue;\n }\n !pluginModule.extractEvents ? invariant(false, 'EventPluginRegistry: Event plugins must implement an `extractEvents` method, but `%s` does not.', pluginName) : void 0;\n EventPluginRegistry.plugins[pluginIndex] = pluginModule;\n var publishedEvents = pluginModule.eventTypes;\n for (var eventName in publishedEvents) {\n !publishEventForPlugin(publishedEvents[eventName], pluginModule, eventName) ? invariant(false, 'EventPluginRegistry: Failed to publish event `%s` for plugin `%s`.', eventName, pluginName) : void 0;\n }\n }\n}\n\n/**\n * Publishes an event so that it can be dispatched by the supplied plugin.\n *\n * @param {object} dispatchConfig Dispatch configuration for the event.\n * @param {object} PluginModule Plugin publishing the event.\n * @return {boolean} True if the event was successfully published.\n * @private\n */\nfunction publishEventForPlugin(dispatchConfig, pluginModule, eventName) {\n !!EventPluginRegistry.eventNameDispatchConfigs.hasOwnProperty(eventName) ? invariant(false, 'EventPluginHub: More than one plugin attempted to publish the same event name, `%s`.', eventName) : void 0;\n EventPluginRegistry.eventNameDispatchConfigs[eventName] = dispatchConfig;\n\n var phasedRegistrationNames = dispatchConfig.phasedRegistrationNames;\n if (phasedRegistrationNames) {\n for (var phaseName in phasedRegistrationNames) {\n if (phasedRegistrationNames.hasOwnProperty(phaseName)) {\n var phasedRegistrationName = phasedRegistrationNames[phaseName];\n publishRegistrationName(phasedRegistrationName, pluginModule, eventName);\n }\n }\n return true;\n } else if (dispatchConfig.registrationName) {\n publishRegistrationName(dispatchConfig.registrationName, pluginModule, eventName);\n return true;\n }\n return false;\n}\n\n/**\n * Publishes a registration name that is used to identify dispatched events.\n *\n * @param {string} registrationName Registration name to add.\n * @param {object} PluginModule Plugin publishing the event.\n * @private\n */\nfunction publishRegistrationName(registrationName, pluginModule, eventName) {\n !!EventPluginRegistry.registrationNameModules[registrationName] ? invariant(false, 'EventPluginHub: More than one plugin attempted to publish the same registration name, `%s`.', registrationName) : void 0;\n EventPluginRegistry.registrationNameModules[registrationName] = pluginModule;\n EventPluginRegistry.registrationNameDependencies[registrationName] = pluginModule.eventTypes[eventName].dependencies;\n\n {\n var lowerCasedName = registrationName.toLowerCase();\n EventPluginRegistry.possibleRegistrationNames[lowerCasedName] = registrationName;\n\n if (registrationName === 'onDoubleClick') {\n EventPluginRegistry.possibleRegistrationNames.ondblclick = registrationName;\n }\n }\n}\n\n/**\n * Registers plugins so that they can extract and dispatch events.\n *\n * @see {EventPluginHub}\n */\nvar EventPluginRegistry = {\n /**\n * Ordered list of injected plugins.\n */\n plugins: [],\n\n /**\n * Mapping from event name to dispatch config\n */\n eventNameDispatchConfigs: {},\n\n /**\n * Mapping from registration name to plugin module\n */\n registrationNameModules: {},\n\n /**\n * Mapping from registration name to event name\n */\n registrationNameDependencies: {},\n\n /**\n * Mapping from lowercase registration names to the properly cased version,\n * used to warn in the case of missing event handlers. Available\n * only in true.\n * @type {Object}\n */\n possibleRegistrationNames: {},\n // Trust the developer to only use possibleRegistrationNames in true\n\n /**\n * Injects an ordering of plugins (by plugin name). This allows the ordering\n * to be decoupled from injection of the actual plugins so that ordering is\n * always deterministic regardless of packaging, on-the-fly injection, etc.\n *\n * @param {array} InjectedEventPluginOrder\n * @internal\n * @see {EventPluginHub.injection.injectEventPluginOrder}\n */\n injectEventPluginOrder: function (injectedEventPluginOrder) {\n !!eventPluginOrder ? invariant(false, 'EventPluginRegistry: Cannot inject event plugin ordering more than once. You are likely trying to load more than one copy of React.') : void 0;\n // Clone the ordering so it cannot be dynamically mutated.\n eventPluginOrder = Array.prototype.slice.call(injectedEventPluginOrder);\n recomputePluginOrdering();\n },\n\n /**\n * Injects plugins to be used by `EventPluginHub`. The plugin names must be\n * in the ordering injected by `injectEventPluginOrder`.\n *\n * Plugins can be injected as part of page initialization or on-the-fly.\n *\n * @param {object} injectedNamesToPlugins Map from names to plugin modules.\n * @internal\n * @see {EventPluginHub.injection.injectEventPluginsByName}\n */\n injectEventPluginsByName: function (injectedNamesToPlugins) {\n var isOrderingDirty = false;\n for (var pluginName in injectedNamesToPlugins) {\n if (!injectedNamesToPlugins.hasOwnProperty(pluginName)) {\n continue;\n }\n var pluginModule = injectedNamesToPlugins[pluginName];\n if (!namesToPlugins.hasOwnProperty(pluginName) || namesToPlugins[pluginName] !== pluginModule) {\n !!namesToPlugins[pluginName] ? invariant(false, 'EventPluginRegistry: Cannot inject two different event plugins using the same name, `%s`.', pluginName) : void 0;\n namesToPlugins[pluginName] = pluginModule;\n isOrderingDirty = true;\n }\n }\n if (isOrderingDirty) {\n recomputePluginOrdering();\n }\n }\n};\n\nvar EventPluginRegistry_1 = EventPluginRegistry;\n\n// These attributes should be all lowercase to allow for\n// case insensitive checks\nvar RESERVED_PROPS = {\n children: true,\n dangerouslySetInnerHTML: true,\n autoFocus: true,\n defaultValue: true,\n defaultChecked: true,\n innerHTML: true,\n suppressContentEditableWarning: true,\n style: true\n};\n\nfunction checkMask(value, bitmask) {\n return (value & bitmask) === bitmask;\n}\n\nvar DOMPropertyInjection = {\n /**\n * Mapping from normalized, camelcased property names to a configuration that\n * specifies how the associated DOM property should be accessed or rendered.\n */\n MUST_USE_PROPERTY: 0x1,\n HAS_BOOLEAN_VALUE: 0x4,\n HAS_NUMERIC_VALUE: 0x8,\n HAS_POSITIVE_NUMERIC_VALUE: 0x10 | 0x8,\n HAS_OVERLOADED_BOOLEAN_VALUE: 0x20,\n HAS_STRING_BOOLEAN_VALUE: 0x40,\n\n /**\n * Inject some specialized knowledge about the DOM. This takes a config object\n * with the following properties:\n *\n * Properties: object mapping DOM property name to one of the\n * DOMPropertyInjection constants or null. If your attribute isn't in here,\n * it won't get written to the DOM.\n *\n * DOMAttributeNames: object mapping React attribute name to the DOM\n * attribute name. Attribute names not specified use the **lowercase**\n * normalized name.\n *\n * DOMAttributeNamespaces: object mapping React attribute name to the DOM\n * attribute namespace URL. (Attribute names not specified use no namespace.)\n *\n * DOMPropertyNames: similar to DOMAttributeNames but for DOM properties.\n * Property names not specified use the normalized name.\n *\n * DOMMutationMethods: Properties that require special mutation methods. If\n * `value` is undefined, the mutation method should unset the property.\n *\n * @param {object} domPropertyConfig the config as described above.\n */\n injectDOMPropertyConfig: function (domPropertyConfig) {\n var Injection = DOMPropertyInjection;\n var Properties = domPropertyConfig.Properties || {};\n var DOMAttributeNamespaces = domPropertyConfig.DOMAttributeNamespaces || {};\n var DOMAttributeNames = domPropertyConfig.DOMAttributeNames || {};\n var DOMMutationMethods = domPropertyConfig.DOMMutationMethods || {};\n\n for (var propName in Properties) {\n !!DOMProperty.properties.hasOwnProperty(propName) ? invariant(false, 'injectDOMPropertyConfig(...): You\\'re trying to inject DOM property \\'%s\\' which has already been injected. You may be accidentally injecting the same DOM property config twice, or you may be injecting two configs that have conflicting property names.', propName) : void 0;\n\n var lowerCased = propName.toLowerCase();\n var propConfig = Properties[propName];\n\n var propertyInfo = {\n attributeName: lowerCased,\n attributeNamespace: null,\n propertyName: propName,\n mutationMethod: null,\n\n mustUseProperty: checkMask(propConfig, Injection.MUST_USE_PROPERTY),\n hasBooleanValue: checkMask(propConfig, Injection.HAS_BOOLEAN_VALUE),\n hasNumericValue: checkMask(propConfig, Injection.HAS_NUMERIC_VALUE),\n hasPositiveNumericValue: checkMask(propConfig, Injection.HAS_POSITIVE_NUMERIC_VALUE),\n hasOverloadedBooleanValue: checkMask(propConfig, Injection.HAS_OVERLOADED_BOOLEAN_VALUE),\n hasStringBooleanValue: checkMask(propConfig, Injection.HAS_STRING_BOOLEAN_VALUE)\n };\n !(propertyInfo.hasBooleanValue + propertyInfo.hasNumericValue + propertyInfo.hasOverloadedBooleanValue <= 1) ? invariant(false, 'DOMProperty: Value can be one of boolean, overloaded boolean, or numeric value, but not a combination: %s', propName) : void 0;\n\n if (DOMAttributeNames.hasOwnProperty(propName)) {\n var attributeName = DOMAttributeNames[propName];\n\n propertyInfo.attributeName = attributeName;\n }\n\n if (DOMAttributeNamespaces.hasOwnProperty(propName)) {\n propertyInfo.attributeNamespace = DOMAttributeNamespaces[propName];\n }\n\n if (DOMMutationMethods.hasOwnProperty(propName)) {\n propertyInfo.mutationMethod = DOMMutationMethods[propName];\n }\n\n // Downcase references to whitelist properties to check for membership\n // without case-sensitivity. This allows the whitelist to pick up\n // `allowfullscreen`, which should be written using the property configuration\n // for `allowFullscreen`\n DOMProperty.properties[propName] = propertyInfo;\n }\n }\n};\n\n/* eslint-disable max-len */\nvar ATTRIBUTE_NAME_START_CHAR = ':A-Z_a-z\\\\u00C0-\\\\u00D6\\\\u00D8-\\\\u00F6\\\\u00F8-\\\\u02FF\\\\u0370-\\\\u037D\\\\u037F-\\\\u1FFF\\\\u200C-\\\\u200D\\\\u2070-\\\\u218F\\\\u2C00-\\\\u2FEF\\\\u3001-\\\\uD7FF\\\\uF900-\\\\uFDCF\\\\uFDF0-\\\\uFFFD';\n/* eslint-enable max-len */\n\n/**\n * DOMProperty exports lookup objects that can be used like functions:\n *\n * > DOMProperty.isValid['id']\n * true\n * > DOMProperty.isValid['foobar']\n * undefined\n *\n * Although this may be confusing, it performs better in general.\n *\n * @see http://jsperf.com/key-exists\n * @see http://jsperf.com/key-missing\n */\nvar DOMProperty = {\n ID_ATTRIBUTE_NAME: 'data-reactid',\n ROOT_ATTRIBUTE_NAME: 'data-reactroot',\n\n ATTRIBUTE_NAME_START_CHAR: ATTRIBUTE_NAME_START_CHAR,\n ATTRIBUTE_NAME_CHAR: ATTRIBUTE_NAME_START_CHAR + '\\\\-.0-9\\\\u00B7\\\\u0300-\\\\u036F\\\\u203F-\\\\u2040',\n\n /**\n * Map from property \"standard name\" to an object with info about how to set\n * the property in the DOM. Each object contains:\n *\n * attributeName:\n * Used when rendering markup or with `*Attribute()`.\n * attributeNamespace\n * propertyName:\n * Used on DOM node instances. (This includes properties that mutate due to\n * external factors.)\n * mutationMethod:\n * If non-null, used instead of the property or `setAttribute()` after\n * initial render.\n * mustUseProperty:\n * Whether the property must be accessed and mutated as an object property.\n * hasBooleanValue:\n * Whether the property should be removed when set to a falsey value.\n * hasNumericValue:\n * Whether the property must be numeric or parse as a numeric and should be\n * removed when set to a falsey value.\n * hasPositiveNumericValue:\n * Whether the property must be positive numeric or parse as a positive\n * numeric and should be removed when set to a falsey value.\n * hasOverloadedBooleanValue:\n * Whether the property can be used as a flag as well as with a value.\n * Removed when strictly equal to false; present without a value when\n * strictly equal to true; present with a value otherwise.\n */\n properties: {},\n\n /**\n * Checks whether a property name is a writeable attribute.\n * @method\n */\n shouldSetAttribute: function (name, value) {\n if (DOMProperty.isReservedProp(name)) {\n return false;\n }\n if ((name[0] === 'o' || name[0] === 'O') && (name[1] === 'n' || name[1] === 'N')) {\n return false;\n }\n if (value === null) {\n return true;\n }\n switch (typeof value) {\n case 'boolean':\n return DOMProperty.shouldAttributeAcceptBooleanValue(name);\n case 'undefined':\n case 'number':\n case 'string':\n case 'object':\n return true;\n default:\n // function, symbol\n return false;\n }\n },\n\n getPropertyInfo: function (name) {\n return DOMProperty.properties.hasOwnProperty(name) ? DOMProperty.properties[name] : null;\n },\n shouldAttributeAcceptBooleanValue: function (name) {\n if (DOMProperty.isReservedProp(name)) {\n return true;\n }\n var propertyInfo = DOMProperty.getPropertyInfo(name);\n if (propertyInfo) {\n return propertyInfo.hasBooleanValue || propertyInfo.hasStringBooleanValue || propertyInfo.hasOverloadedBooleanValue;\n }\n var prefix = name.toLowerCase().slice(0, 5);\n return prefix === 'data-' || prefix === 'aria-';\n },\n\n\n /**\n * Checks to see if a property name is within the list of properties\n * reserved for internal React operations. These properties should\n * not be set on an HTML element.\n *\n * @private\n * @param {string} name\n * @return {boolean} If the name is within reserved props\n */\n isReservedProp: function (name) {\n return RESERVED_PROPS.hasOwnProperty(name);\n },\n\n\n injection: DOMPropertyInjection\n};\n\nvar DOMProperty_1 = DOMProperty;\n\n/**\n * Copyright (c) 2015-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n *\n * @providesModule ReactDOMComponentFlags\n */\n\nvar ReactDOMComponentFlags = {\n hasCachedChildNodes: 1 << 0\n};\n\nvar ReactDOMComponentFlags_1 = ReactDOMComponentFlags;\n\n/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n *\n * @providesModule ReactTypeOfWork\n * \n */\n\nvar ReactTypeOfWork = {\n IndeterminateComponent: 0, // Before we know whether it is functional or class\n FunctionalComponent: 1,\n ClassComponent: 2,\n HostRoot: 3, // Root of a host tree. Could be nested inside another node.\n HostPortal: 4, // A subtree. Could be an entry point to a different renderer.\n HostComponent: 5,\n HostText: 6,\n CoroutineComponent: 7,\n CoroutineHandlerPhase: 8,\n YieldComponent: 9,\n Fragment: 10\n};\n\n/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n *\n * @providesModule HTMLNodeType\n */\n\n/**\n * HTML nodeType values that represent the type of the node\n */\n\nvar HTMLNodeType = {\n ELEMENT_NODE: 1,\n TEXT_NODE: 3,\n COMMENT_NODE: 8,\n DOCUMENT_NODE: 9,\n DOCUMENT_FRAGMENT_NODE: 11\n};\n\nvar HTMLNodeType_1 = HTMLNodeType;\n\nvar HostComponent = ReactTypeOfWork.HostComponent;\nvar HostText = ReactTypeOfWork.HostText;\n\nvar ELEMENT_NODE$1 = HTMLNodeType_1.ELEMENT_NODE;\nvar COMMENT_NODE$1 = HTMLNodeType_1.COMMENT_NODE;\n\n\n\nvar ATTR_NAME = DOMProperty_1.ID_ATTRIBUTE_NAME;\nvar Flags = ReactDOMComponentFlags_1;\n\nvar randomKey = Math.random().toString(36).slice(2);\n\nvar internalInstanceKey = '__reactInternalInstance$' + randomKey;\n\nvar internalEventHandlersKey = '__reactEventHandlers$' + randomKey;\n\n/**\n * Check if a given node should be cached.\n */\nfunction shouldPrecacheNode(node, nodeID) {\n return node.nodeType === ELEMENT_NODE$1 && node.getAttribute(ATTR_NAME) === '' + nodeID || node.nodeType === COMMENT_NODE$1 && node.nodeValue === ' react-text: ' + nodeID + ' ' || node.nodeType === COMMENT_NODE$1 && node.nodeValue === ' react-empty: ' + nodeID + ' ';\n}\n\n/**\n * Drill down (through composites and empty components) until we get a host or\n * host text component.\n *\n * This is pretty polymorphic but unavoidable with the current structure we have\n * for `_renderedChildren`.\n */\nfunction getRenderedHostOrTextFromComponent(component) {\n var rendered;\n while (rendered = component._renderedComponent) {\n component = rendered;\n }\n return component;\n}\n\n/**\n * Populate `_hostNode` on the rendered host/text component with the given\n * DOM node. The passed `inst` can be a composite.\n */\nfunction precacheNode(inst, node) {\n var hostInst = getRenderedHostOrTextFromComponent(inst);\n hostInst._hostNode = node;\n node[internalInstanceKey] = hostInst;\n}\n\nfunction precacheFiberNode$1(hostInst, node) {\n node[internalInstanceKey] = hostInst;\n}\n\nfunction uncacheNode(inst) {\n var node = inst._hostNode;\n if (node) {\n delete node[internalInstanceKey];\n inst._hostNode = null;\n }\n}\n\n/**\n * Populate `_hostNode` on each child of `inst`, assuming that the children\n * match up with the DOM (element) children of `node`.\n *\n * We cache entire levels at once to avoid an n^2 problem where we access the\n * children of a node sequentially and have to walk from the start to our target\n * node every time.\n *\n * Since we update `_renderedChildren` and the actual DOM at (slightly)\n * different times, we could race here and see a newer `_renderedChildren` than\n * the DOM nodes we see. To avoid this, ReactMultiChild calls\n * `prepareToManageChildren` before we change `_renderedChildren`, at which\n * time the container's child nodes are always cached (until it unmounts).\n */\nfunction precacheChildNodes(inst, node) {\n if (inst._flags & Flags.hasCachedChildNodes) {\n return;\n }\n var children = inst._renderedChildren;\n var childNode = node.firstChild;\n outer: for (var name in children) {\n if (!children.hasOwnProperty(name)) {\n continue;\n }\n var childInst = children[name];\n var childID = getRenderedHostOrTextFromComponent(childInst)._domID;\n if (childID === 0) {\n // We're currently unmounting this child in ReactMultiChild; skip it.\n continue;\n }\n // We assume the child nodes are in the same order as the child instances.\n for (; childNode !== null; childNode = childNode.nextSibling) {\n if (shouldPrecacheNode(childNode, childID)) {\n precacheNode(childInst, childNode);\n continue outer;\n }\n }\n // We reached the end of the DOM children without finding an ID match.\n invariant(false, 'Unable to find element with ID %s.', childID);\n }\n inst._flags |= Flags.hasCachedChildNodes;\n}\n\n/**\n * Given a DOM node, return the closest ReactDOMComponent or\n * ReactDOMTextComponent instance ancestor.\n */\nfunction getClosestInstanceFromNode(node) {\n if (node[internalInstanceKey]) {\n return node[internalInstanceKey];\n }\n\n // Walk up the tree until we find an ancestor whose instance we have cached.\n var parents = [];\n while (!node[internalInstanceKey]) {\n parents.push(node);\n if (node.parentNode) {\n node = node.parentNode;\n } else {\n // Top of the tree. This node must not be part of a React tree (or is\n // unmounted, potentially).\n return null;\n }\n }\n\n var closest;\n var inst = node[internalInstanceKey];\n if (inst.tag === HostComponent || inst.tag === HostText) {\n // In Fiber, this will always be the deepest root.\n return inst;\n }\n for (; node && (inst = node[internalInstanceKey]); node = parents.pop()) {\n closest = inst;\n if (parents.length) {\n precacheChildNodes(inst, node);\n }\n }\n\n return closest;\n}\n\n/**\n * Given a DOM node, return the ReactDOMComponent or ReactDOMTextComponent\n * instance, or null if the node was not rendered by this React.\n */\nfunction getInstanceFromNode(node) {\n var inst = node[internalInstanceKey];\n if (inst) {\n if (inst.tag === HostComponent || inst.tag === HostText) {\n return inst;\n } else if (inst._hostNode === node) {\n return inst;\n } else {\n return null;\n }\n }\n inst = getClosestInstanceFromNode(node);\n if (inst != null && inst._hostNode === node) {\n return inst;\n } else {\n return null;\n }\n}\n\n/**\n * Given a ReactDOMComponent or ReactDOMTextComponent, return the corresponding\n * DOM node.\n */\nfunction getNodeFromInstance(inst) {\n if (inst.tag === HostComponent || inst.tag === HostText) {\n // In Fiber this, is just the state node right now. We assume it will be\n // a host component or host text.\n return inst.stateNode;\n }\n\n // Without this first invariant, passing a non-DOM-component triggers the next\n // invariant for a missing parent, which is super confusing.\n !(inst._hostNode !== undefined) ? invariant(false, 'getNodeFromInstance: Invalid argument.') : void 0;\n\n if (inst._hostNode) {\n return inst._hostNode;\n }\n\n // Walk up the tree until we find an ancestor whose DOM node we have cached.\n var parents = [];\n while (!inst._hostNode) {\n parents.push(inst);\n !inst._hostParent ? invariant(false, 'React DOM tree root should always have a node reference.') : void 0;\n inst = inst._hostParent;\n }\n\n // Now parents contains each ancestor that does *not* have a cached native\n // node, and `inst` is the deepest ancestor that does.\n for (; parents.length; inst = parents.pop()) {\n precacheChildNodes(inst, inst._hostNode);\n }\n\n return inst._hostNode;\n}\n\nfunction getFiberCurrentPropsFromNode(node) {\n return node[internalEventHandlersKey] || null;\n}\n\nfunction updateFiberProps$1(node, props) {\n node[internalEventHandlersKey] = props;\n}\n\nvar ReactDOMComponentTree = {\n getClosestInstanceFromNode: getClosestInstanceFromNode,\n getInstanceFromNode: getInstanceFromNode,\n getNodeFromInstance: getNodeFromInstance,\n precacheChildNodes: precacheChildNodes,\n precacheNode: precacheNode,\n uncacheNode: uncacheNode,\n precacheFiberNode: precacheFiberNode$1,\n getFiberCurrentPropsFromNode: getFiberCurrentPropsFromNode,\n updateFiberProps: updateFiberProps$1\n};\n\nvar ReactDOMComponentTree_1 = ReactDOMComponentTree;\n\n/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n *\n * @providesModule ReactInstanceMap\n */\n\n/**\n * `ReactInstanceMap` maintains a mapping from a public facing stateful\n * instance (key) and the internal representation (value). This allows public\n * methods to accept the user facing instance as an argument and map them back\n * to internal methods.\n */\n\n// TODO: Replace this with ES6: var ReactInstanceMap = new Map();\n\nvar ReactInstanceMap = {\n /**\n * This API should be called `delete` but we'd have to make sure to always\n * transform these to strings for IE support. When this transform is fully\n * supported we can rename it.\n */\n remove: function (key) {\n key._reactInternalFiber = undefined;\n },\n\n get: function (key) {\n return key._reactInternalFiber;\n },\n\n has: function (key) {\n return key._reactInternalFiber !== undefined;\n },\n\n set: function (key, value) {\n key._reactInternalFiber = value;\n }\n};\n\nvar ReactInstanceMap_1 = ReactInstanceMap;\n\nvar ReactInternals = react.__SECRET_INTERNALS_DO_NOT_USE_OR_YOU_WILL_BE_FIRED;\n\nvar ReactGlobalSharedState = {\n ReactCurrentOwner: ReactInternals.ReactCurrentOwner\n};\n\n{\n _assign(ReactGlobalSharedState, {\n ReactComponentTreeHook: ReactInternals.ReactComponentTreeHook,\n ReactDebugCurrentFrame: ReactInternals.ReactDebugCurrentFrame\n });\n}\n\nvar ReactGlobalSharedState_1 = ReactGlobalSharedState;\n\n/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n *\n * @providesModule getComponentName\n * \n */\n\nfunction getComponentName(instanceOrFiber) {\n if (typeof instanceOrFiber.getName === 'function') {\n // Stack reconciler\n var instance = instanceOrFiber;\n return instance.getName();\n }\n if (typeof instanceOrFiber.tag === 'number') {\n // Fiber reconciler\n var fiber = instanceOrFiber;\n var type = fiber.type;\n\n if (typeof type === 'string') {\n return type;\n }\n if (typeof type === 'function') {\n return type.displayName || type.name;\n }\n }\n return null;\n}\n\nvar getComponentName_1 = getComponentName;\n\n/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n *\n * @providesModule ReactTypeOfSideEffect\n * \n */\n\nvar ReactTypeOfSideEffect = {\n // Don't change these two values:\n NoEffect: 0, // 0b00000000\n PerformedWork: 1, // 0b00000001\n // You can change the rest (and add more).\n Placement: 2, // 0b00000010\n Update: 4, // 0b00000100\n PlacementAndUpdate: 6, // 0b00000110\n Deletion: 8, // 0b00001000\n ContentReset: 16, // 0b00010000\n Callback: 32, // 0b00100000\n Err: 64, // 0b01000000\n Ref: 128 };\n\nvar ReactCurrentOwner = ReactGlobalSharedState_1.ReactCurrentOwner;\n\n\n\n\n{\n var warning$1 = require$$0;\n}\n\nvar ClassComponent = ReactTypeOfWork.ClassComponent;\nvar HostComponent$1 = ReactTypeOfWork.HostComponent;\nvar HostRoot$1 = ReactTypeOfWork.HostRoot;\nvar HostPortal = ReactTypeOfWork.HostPortal;\nvar HostText$1 = ReactTypeOfWork.HostText;\n\nvar NoEffect = ReactTypeOfSideEffect.NoEffect;\nvar Placement = ReactTypeOfSideEffect.Placement;\n\nvar MOUNTING = 1;\nvar MOUNTED = 2;\nvar UNMOUNTED = 3;\n\nfunction isFiberMountedImpl(fiber) {\n var node = fiber;\n if (!fiber.alternate) {\n // If there is no alternate, this might be a new tree that isn't inserted\n // yet. If it is, then it will have a pending insertion effect on it.\n if ((node.effectTag & Placement) !== NoEffect) {\n return MOUNTING;\n }\n while (node['return']) {\n node = node['return'];\n if ((node.effectTag & Placement) !== NoEffect) {\n return MOUNTING;\n }\n }\n } else {\n while (node['return']) {\n node = node['return'];\n }\n }\n if (node.tag === HostRoot$1) {\n // TODO: Check if this was a nested HostRoot when used with\n // renderContainerIntoSubtree.\n return MOUNTED;\n }\n // If we didn't hit the root, that means that we're in an disconnected tree\n // that has been unmounted.\n return UNMOUNTED;\n}\nvar isFiberMounted = function (fiber) {\n return isFiberMountedImpl(fiber) === MOUNTED;\n};\n\nvar isMounted = function (component) {\n {\n var owner = ReactCurrentOwner.current;\n if (owner !== null && owner.tag === ClassComponent) {\n var ownerFiber = owner;\n var instance = ownerFiber.stateNode;\n warning$1(instance._warnedAboutRefsInRender, '%s is accessing isMounted inside its render() function. ' + 'render() should be a pure function of props and state. It should ' + 'never access something that requires stale data from the previous ' + 'render, such as refs. Move this logic to componentDidMount and ' + 'componentDidUpdate instead.', getComponentName_1(ownerFiber) || 'A component');\n instance._warnedAboutRefsInRender = true;\n }\n }\n\n var fiber = ReactInstanceMap_1.get(component);\n if (!fiber) {\n return false;\n }\n return isFiberMountedImpl(fiber) === MOUNTED;\n};\n\nfunction assertIsMounted(fiber) {\n !(isFiberMountedImpl(fiber) === MOUNTED) ? invariant(false, 'Unable to find node on an unmounted component.') : void 0;\n}\n\nfunction findCurrentFiberUsingSlowPath(fiber) {\n var alternate = fiber.alternate;\n if (!alternate) {\n // If there is no alternate, then we only need to check if it is mounted.\n var state = isFiberMountedImpl(fiber);\n !(state !== UNMOUNTED) ? invariant(false, 'Unable to find node on an unmounted component.') : void 0;\n if (state === MOUNTING) {\n return null;\n }\n return fiber;\n }\n // If we have two possible branches, we'll walk backwards up to the root\n // to see what path the root points to. On the way we may hit one of the\n // special cases and we'll deal with them.\n var a = fiber;\n var b = alternate;\n while (true) {\n var parentA = a['return'];\n var parentB = parentA ? parentA.alternate : null;\n if (!parentA || !parentB) {\n // We're at the root.\n break;\n }\n\n // If both copies of the parent fiber point to the same child, we can\n // assume that the child is current. This happens when we bailout on low\n // priority: the bailed out fiber's child reuses the current child.\n if (parentA.child === parentB.child) {\n var child = parentA.child;\n while (child) {\n if (child === a) {\n // We've determined that A is the current branch.\n assertIsMounted(parentA);\n return fiber;\n }\n if (child === b) {\n // We've determined that B is the current branch.\n assertIsMounted(parentA);\n return alternate;\n }\n child = child.sibling;\n }\n // We should never have an alternate for any mounting node. So the only\n // way this could possibly happen is if this was unmounted, if at all.\n invariant(false, 'Unable to find node on an unmounted component.');\n }\n\n if (a['return'] !== b['return']) {\n // The return pointer of A and the return pointer of B point to different\n // fibers. We assume that return pointers never criss-cross, so A must\n // belong to the child set of A.return, and B must belong to the child\n // set of B.return.\n a = parentA;\n b = parentB;\n } else {\n // The return pointers point to the same fiber. We'll have to use the\n // default, slow path: scan the child sets of each parent alternate to see\n // which child belongs to which set.\n //\n // Search parent A's child set\n var didFindChild = false;\n var _child = parentA.child;\n while (_child) {\n if (_child === a) {\n didFindChild = true;\n a = parentA;\n b = parentB;\n break;\n }\n if (_child === b) {\n didFindChild = true;\n b = parentA;\n a = parentB;\n break;\n }\n _child = _child.sibling;\n }\n if (!didFindChild) {\n // Search parent B's child set\n _child = parentB.child;\n while (_child) {\n if (_child === a) {\n didFindChild = true;\n a = parentB;\n b = parentA;\n break;\n }\n if (_child === b) {\n didFindChild = true;\n b = parentB;\n a = parentA;\n break;\n }\n _child = _child.sibling;\n }\n !didFindChild ? invariant(false, 'Child was not found in either parent set. This indicates a bug in React related to the return pointer. Please file an issue.') : void 0;\n }\n }\n\n !(a.alternate === b) ? invariant(false, 'Return fibers should always be each others\\' alternates. This error is likely caused by a bug in React. Please file an issue.') : void 0;\n }\n // If the root is not a host container, we're in a disconnected tree. I.e.\n // unmounted.\n !(a.tag === HostRoot$1) ? invariant(false, 'Unable to find node on an unmounted component.') : void 0;\n if (a.stateNode.current === a) {\n // We've determined that A is the current branch.\n return fiber;\n }\n // Otherwise B has to be current branch.\n return alternate;\n}\nvar findCurrentFiberUsingSlowPath_1 = findCurrentFiberUsingSlowPath;\n\nvar findCurrentHostFiber = function (parent) {\n var currentParent = findCurrentFiberUsingSlowPath(parent);\n if (!currentParent) {\n return null;\n }\n\n // Next we'll drill down this component to find the first HostComponent/Text.\n var node = currentParent;\n while (true) {\n if (node.tag === HostComponent$1 || node.tag === HostText$1) {\n return node;\n } else if (node.child) {\n node.child['return'] = node;\n node = node.child;\n continue;\n }\n if (node === currentParent) {\n return null;\n }\n while (!node.sibling) {\n if (!node['return'] || node['return'] === currentParent) {\n return null;\n }\n node = node['return'];\n }\n node.sibling['return'] = node['return'];\n node = node.sibling;\n }\n // Flow needs the return null here, but ESLint complains about it.\n // eslint-disable-next-line no-unreachable\n return null;\n};\n\nvar findCurrentHostFiberWithNoPortals = function (parent) {\n var currentParent = findCurrentFiberUsingSlowPath(parent);\n if (!currentParent) {\n return null;\n }\n\n // Next we'll drill down this component to find the first HostComponent/Text.\n var node = currentParent;\n while (true) {\n if (node.tag === HostComponent$1 || node.tag === HostText$1) {\n return node;\n } else if (node.child && node.tag !== HostPortal) {\n node.child['return'] = node;\n node = node.child;\n continue;\n }\n if (node === currentParent) {\n return null;\n }\n while (!node.sibling) {\n if (!node['return'] || node['return'] === currentParent) {\n return null;\n }\n node = node['return'];\n }\n node.sibling['return'] = node['return'];\n node = node.sibling;\n }\n // Flow needs the return null here, but ESLint complains about it.\n // eslint-disable-next-line no-unreachable\n return null;\n};\n\nvar ReactFiberTreeReflection = {\n\tisFiberMounted: isFiberMounted,\n\tisMounted: isMounted,\n\tfindCurrentFiberUsingSlowPath: findCurrentFiberUsingSlowPath_1,\n\tfindCurrentHostFiber: findCurrentHostFiber,\n\tfindCurrentHostFiberWithNoPortals: findCurrentHostFiberWithNoPortals\n};\n\nvar ReactErrorUtils = {\n // Used by Fiber to simulate a try-catch.\n _caughtError: null,\n _hasCaughtError: false,\n\n // Used by event system to capture/rethrow the first error.\n _rethrowError: null,\n _hasRethrowError: false,\n\n injection: {\n injectErrorUtils: function (injectedErrorUtils) {\n !(typeof injectedErrorUtils.invokeGuardedCallback === 'function') ? invariant(false, 'Injected invokeGuardedCallback() must be a function.') : void 0;\n invokeGuardedCallback = injectedErrorUtils.invokeGuardedCallback;\n }\n },\n\n /**\n * Call a function while guarding against errors that happens within it.\n * Returns an error if it throws, otherwise null.\n *\n * In production, this is implemented using a try-catch. The reason we don't\n * use a try-catch directly is so that we can swap out a different\n * implementation in DEV mode.\n *\n * @param {String} name of the guard to use for logging or debugging\n * @param {Function} func The function to invoke\n * @param {*} context The context to use when calling the function\n * @param {...*} args Arguments for function\n */\n invokeGuardedCallback: function (name, func, context, a, b, c, d, e, f) {\n invokeGuardedCallback.apply(ReactErrorUtils, arguments);\n },\n\n /**\n * Same as invokeGuardedCallback, but instead of returning an error, it stores\n * it in a global so it can be rethrown by `rethrowCaughtError` later.\n * TODO: See if _caughtError and _rethrowError can be unified.\n *\n * @param {String} name of the guard to use for logging or debugging\n * @param {Function} func The function to invoke\n * @param {*} context The context to use when calling the function\n * @param {...*} args Arguments for function\n */\n invokeGuardedCallbackAndCatchFirstError: function (name, func, context, a, b, c, d, e, f) {\n ReactErrorUtils.invokeGuardedCallback.apply(this, arguments);\n if (ReactErrorUtils.hasCaughtError()) {\n var error = ReactErrorUtils.clearCaughtError();\n if (!ReactErrorUtils._hasRethrowError) {\n ReactErrorUtils._hasRethrowError = true;\n ReactErrorUtils._rethrowError = error;\n }\n }\n },\n\n /**\n * During execution of guarded functions we will capture the first error which\n * we will rethrow to be handled by the top level error handler.\n */\n rethrowCaughtError: function () {\n return rethrowCaughtError.apply(ReactErrorUtils, arguments);\n },\n\n hasCaughtError: function () {\n return ReactErrorUtils._hasCaughtError;\n },\n\n clearCaughtError: function () {\n if (ReactErrorUtils._hasCaughtError) {\n var error = ReactErrorUtils._caughtError;\n ReactErrorUtils._caughtError = null;\n ReactErrorUtils._hasCaughtError = false;\n return error;\n } else {\n invariant(false, 'clearCaughtError was called but no error was captured. This error is likely caused by a bug in React. Please file an issue.');\n }\n }\n};\n\nvar invokeGuardedCallback = function (name, func, context, a, b, c, d, e, f) {\n ReactErrorUtils._hasCaughtError = false;\n ReactErrorUtils._caughtError = null;\n var funcArgs = Array.prototype.slice.call(arguments, 3);\n try {\n func.apply(context, funcArgs);\n } catch (error) {\n ReactErrorUtils._caughtError = error;\n ReactErrorUtils._hasCaughtError = true;\n }\n};\n\n{\n // In DEV mode, we swap out invokeGuardedCallback for a special version\n // that plays more nicely with the browser's DevTools. The idea is to preserve\n // \"Pause on exceptions\" behavior. Because React wraps all user-provided\n // functions in invokeGuardedCallback, and the production version of\n // invokeGuardedCallback uses a try-catch, all user exceptions are treated\n // like caught exceptions, and the DevTools won't pause unless the developer\n // takes the extra step of enabling pause on caught exceptions. This is\n // untintuitive, though, because even though React has caught the error, from\n // the developer's perspective, the error is uncaught.\n //\n // To preserve the expected \"Pause on exceptions\" behavior, we don't use a\n // try-catch in DEV. Instead, we synchronously dispatch a fake event to a fake\n // DOM node, and call the user-provided callback from inside an event handler\n // for that fake event. If the callback throws, the error is \"captured\" using\n // a global event handler. But because the error happens in a different\n // event loop context, it does not interrupt the normal program flow.\n // Effectively, this gives us try-catch behavior without actually using\n // try-catch. Neat!\n\n // Check that the browser supports the APIs we need to implement our special\n // DEV version of invokeGuardedCallback\n if (typeof window !== 'undefined' && typeof window.dispatchEvent === 'function' && typeof document !== 'undefined' && typeof document.createEvent === 'function') {\n var fakeNode = document.createElement('react');\n\n var invokeGuardedCallbackDev = function (name, func, context, a, b, c, d, e, f) {\n // Keeps track of whether the user-provided callback threw an error. We\n // set this to true at the beginning, then set it to false right after\n // calling the function. If the function errors, `didError` will never be\n // set to false. This strategy works even if the browser is flaky and\n // fails to call our global error handler, because it doesn't rely on\n // the error event at all.\n var didError = true;\n\n // Create an event handler for our fake event. We will synchronously\n // dispatch our fake event using `dispatchEvent`. Inside the handler, we\n // call the user-provided callback.\n var funcArgs = Array.prototype.slice.call(arguments, 3);\n function callCallback() {\n // We immediately remove the callback from event listeners so that\n // nested `invokeGuardedCallback` calls do not clash. Otherwise, a\n // nested call would trigger the fake event handlers of any call higher\n // in the stack.\n fakeNode.removeEventListener(evtType, callCallback, false);\n func.apply(context, funcArgs);\n didError = false;\n }\n\n // Create a global error event handler. We use this to capture the value\n // that was thrown. It's possible that this error handler will fire more\n // than once; for example, if non-React code also calls `dispatchEvent`\n // and a handler for that event throws. We should be resilient to most of\n // those cases. Even if our error event handler fires more than once, the\n // last error event is always used. If the callback actually does error,\n // we know that the last error event is the correct one, because it's not\n // possible for anything else to have happened in between our callback\n // erroring and the code that follows the `dispatchEvent` call below. If\n // the callback doesn't error, but the error event was fired, we know to\n // ignore it because `didError` will be false, as described above.\n var error = void 0;\n // Use this to track whether the error event is ever called.\n var didSetError = false;\n var isCrossOriginError = false;\n\n function onError(event) {\n error = event.error;\n didSetError = true;\n if (error === null && event.colno === 0 && event.lineno === 0) {\n isCrossOriginError = true;\n }\n }\n\n // Create a fake event type.\n var evtType = 'react-' + (name ? name : 'invokeguardedcallback');\n\n // Attach our event handlers\n window.addEventListener('error', onError);\n fakeNode.addEventListener(evtType, callCallback, false);\n\n // Synchronously dispatch our fake event. If the user-provided function\n // errors, it will trigger our global error handler.\n var evt = document.createEvent('Event');\n evt.initEvent(evtType, false, false);\n fakeNode.dispatchEvent(evt);\n\n if (didError) {\n if (!didSetError) {\n // The callback errored, but the error event never fired.\n error = new Error('An error was thrown inside one of your components, but React ' + \"doesn't know what it was. This is likely due to browser \" + 'flakiness. React does its best to preserve the \"Pause on ' + 'exceptions\" behavior of the DevTools, which requires some ' + \"DEV-mode only tricks. It's possible that these don't work in \" + 'your browser. Try triggering the error in production mode, ' + 'or switching to a modern browser. If you suspect that this is ' + 'actually an issue with React, please file an issue.');\n } else if (isCrossOriginError) {\n error = new Error(\"A cross-origin error was thrown. React doesn't have access to \" + 'the actual error object in development. ' + 'See https://fb.me/react-crossorigin-error for more information.');\n }\n ReactErrorUtils._hasCaughtError = true;\n ReactErrorUtils._caughtError = error;\n } else {\n ReactErrorUtils._hasCaughtError = false;\n ReactErrorUtils._caughtError = null;\n }\n\n // Remove our event listeners\n window.removeEventListener('error', onError);\n };\n\n invokeGuardedCallback = invokeGuardedCallbackDev;\n }\n}\n\nvar rethrowCaughtError = function () {\n if (ReactErrorUtils._hasRethrowError) {\n var error = ReactErrorUtils._rethrowError;\n ReactErrorUtils._rethrowError = null;\n ReactErrorUtils._hasRethrowError = false;\n throw error;\n }\n};\n\nvar ReactErrorUtils_1 = ReactErrorUtils;\n\n{\n var warning$2 = require$$0;\n}\n\n/**\n * Injected dependencies:\n */\n\n/**\n * - `ComponentTree`: [required] Module that can convert between React instances\n * and actual node references.\n */\nvar ComponentTree;\nvar injection = {\n injectComponentTree: function (Injected) {\n ComponentTree = Injected;\n {\n warning$2(Injected && Injected.getNodeFromInstance && Injected.getInstanceFromNode, 'EventPluginUtils.injection.injectComponentTree(...): Injected ' + 'module is missing getNodeFromInstance or getInstanceFromNode.');\n }\n }\n};\n\nfunction isEndish(topLevelType) {\n return topLevelType === 'topMouseUp' || topLevelType === 'topTouchEnd' || topLevelType === 'topTouchCancel';\n}\n\nfunction isMoveish(topLevelType) {\n return topLevelType === 'topMouseMove' || topLevelType === 'topTouchMove';\n}\nfunction isStartish(topLevelType) {\n return topLevelType === 'topMouseDown' || topLevelType === 'topTouchStart';\n}\n\nvar validateEventDispatches;\n{\n validateEventDispatches = function (event) {\n var dispatchListeners = event._dispatchListeners;\n var dispatchInstances = event._dispatchInstances;\n\n var listenersIsArr = Array.isArray(dispatchListeners);\n var listenersLen = listenersIsArr ? dispatchListeners.length : dispatchListeners ? 1 : 0;\n\n var instancesIsArr = Array.isArray(dispatchInstances);\n var instancesLen = instancesIsArr ? dispatchInstances.length : dispatchInstances ? 1 : 0;\n\n warning$2(instancesIsArr === listenersIsArr && instancesLen === listenersLen, 'EventPluginUtils: Invalid `event`.');\n };\n}\n\n/**\n * Dispatch the event to the listener.\n * @param {SyntheticEvent} event SyntheticEvent to handle\n * @param {boolean} simulated If the event is simulated (changes exn behavior)\n * @param {function} listener Application-level callback\n * @param {*} inst Internal component instance\n */\nfunction executeDispatch(event, simulated, listener, inst) {\n var type = event.type || 'unknown-event';\n event.currentTarget = EventPluginUtils.getNodeFromInstance(inst);\n ReactErrorUtils_1.invokeGuardedCallbackAndCatchFirstError(type, listener, undefined, event);\n event.currentTarget = null;\n}\n\n/**\n * Standard/simple iteration through an event's collected dispatches.\n */\nfunction executeDispatchesInOrder(event, simulated) {\n var dispatchListeners = event._dispatchListeners;\n var dispatchInstances = event._dispatchInstances;\n {\n validateEventDispatches(event);\n }\n if (Array.isArray(dispatchListeners)) {\n for (var i = 0; i < dispatchListeners.length; i++) {\n if (event.isPropagationStopped()) {\n break;\n }\n // Listeners and Instances are two parallel arrays that are always in sync.\n executeDispatch(event, simulated, dispatchListeners[i], dispatchInstances[i]);\n }\n } else if (dispatchListeners) {\n executeDispatch(event, simulated, dispatchListeners, dispatchInstances);\n }\n event._dispatchListeners = null;\n event._dispatchInstances = null;\n}\n\n/**\n * Standard/simple iteration through an event's collected dispatches, but stops\n * at the first dispatch execution returning true, and returns that id.\n *\n * @return {?string} id of the first dispatch execution who's listener returns\n * true, or null if no listener returned true.\n */\nfunction executeDispatchesInOrderStopAtTrueImpl(event) {\n var dispatchListeners = event._dispatchListeners;\n var dispatchInstances = event._dispatchInstances;\n {\n validateEventDispatches(event);\n }\n if (Array.isArray(dispatchListeners)) {\n for (var i = 0; i < dispatchListeners.length; i++) {\n if (event.isPropagationStopped()) {\n break;\n }\n // Listeners and Instances are two parallel arrays that are always in sync.\n if (dispatchListeners[i](event, dispatchInstances[i])) {\n return dispatchInstances[i];\n }\n }\n } else if (dispatchListeners) {\n if (dispatchListeners(event, dispatchInstances)) {\n return dispatchInstances;\n }\n }\n return null;\n}\n\n/**\n * @see executeDispatchesInOrderStopAtTrueImpl\n */\nfunction executeDispatchesInOrderStopAtTrue(event) {\n var ret = executeDispatchesInOrderStopAtTrueImpl(event);\n event._dispatchInstances = null;\n event._dispatchListeners = null;\n return ret;\n}\n\n/**\n * Execution of a \"direct\" dispatch - there must be at most one dispatch\n * accumulated on the event or it is considered an error. It doesn't really make\n * sense for an event with multiple dispatches (bubbled) to keep track of the\n * return values at each dispatch execution, but it does tend to make sense when\n * dealing with \"direct\" dispatches.\n *\n * @return {*} The return value of executing the single dispatch.\n */\nfunction executeDirectDispatch(event) {\n {\n validateEventDispatches(event);\n }\n var dispatchListener = event._dispatchListeners;\n var dispatchInstance = event._dispatchInstances;\n !!Array.isArray(dispatchListener) ? invariant(false, 'executeDirectDispatch(...): Invalid `event`.') : void 0;\n event.currentTarget = dispatchListener ? EventPluginUtils.getNodeFromInstance(dispatchInstance) : null;\n var res = dispatchListener ? dispatchListener(event) : null;\n event.currentTarget = null;\n event._dispatchListeners = null;\n event._dispatchInstances = null;\n return res;\n}\n\n/**\n * @param {SyntheticEvent} event\n * @return {boolean} True iff number of dispatches accumulated is greater than 0.\n */\nfunction hasDispatches(event) {\n return !!event._dispatchListeners;\n}\n\n/**\n * General utilities that are useful in creating custom Event Plugins.\n */\nvar EventPluginUtils = {\n isEndish: isEndish,\n isMoveish: isMoveish,\n isStartish: isStartish,\n\n executeDirectDispatch: executeDirectDispatch,\n executeDispatchesInOrder: executeDispatchesInOrder,\n executeDispatchesInOrderStopAtTrue: executeDispatchesInOrderStopAtTrue,\n hasDispatches: hasDispatches,\n\n getFiberCurrentPropsFromNode: function (node) {\n return ComponentTree.getFiberCurrentPropsFromNode(node);\n },\n getInstanceFromNode: function (node) {\n return ComponentTree.getInstanceFromNode(node);\n },\n getNodeFromInstance: function (node) {\n return ComponentTree.getNodeFromInstance(node);\n },\n\n injection: injection\n};\n\nvar EventPluginUtils_1 = EventPluginUtils;\n\n// Use to restore controlled state after a change event has fired.\n\nvar fiberHostComponent = null;\n\nvar ReactControlledComponentInjection = {\n injectFiberControlledHostComponent: function (hostComponentImpl) {\n // The fiber implementation doesn't use dynamic dispatch so we need to\n // inject the implementation.\n fiberHostComponent = hostComponentImpl;\n }\n};\n\nvar restoreTarget = null;\nvar restoreQueue = null;\n\nfunction restoreStateOfTarget(target) {\n // We perform this translation at the end of the event loop so that we\n // always receive the correct fiber here\n var internalInstance = EventPluginUtils_1.getInstanceFromNode(target);\n if (!internalInstance) {\n // Unmounted\n return;\n }\n if (typeof internalInstance.tag === 'number') {\n !(fiberHostComponent && typeof fiberHostComponent.restoreControlledState === 'function') ? invariant(false, 'Fiber needs to be injected to handle a fiber target for controlled events. This error is likely caused by a bug in React. Please file an issue.') : void 0;\n var props = EventPluginUtils_1.getFiberCurrentPropsFromNode(internalInstance.stateNode);\n fiberHostComponent.restoreControlledState(internalInstance.stateNode, internalInstance.type, props);\n return;\n }\n !(typeof internalInstance.restoreControlledState === 'function') ? invariant(false, 'The internal instance must be a React host component. This error is likely caused by a bug in React. Please file an issue.') : void 0;\n // If it is not a Fiber, we can just use dynamic dispatch.\n internalInstance.restoreControlledState();\n}\n\nvar ReactControlledComponent = {\n injection: ReactControlledComponentInjection,\n\n enqueueStateRestore: function (target) {\n if (restoreTarget) {\n if (restoreQueue) {\n restoreQueue.push(target);\n } else {\n restoreQueue = [target];\n }\n } else {\n restoreTarget = target;\n }\n },\n restoreStateIfNeeded: function () {\n if (!restoreTarget) {\n return;\n }\n var target = restoreTarget;\n var queuedTargets = restoreQueue;\n restoreTarget = null;\n restoreQueue = null;\n\n restoreStateOfTarget(target);\n if (queuedTargets) {\n for (var i = 0; i < queuedTargets.length; i++) {\n restoreStateOfTarget(queuedTargets[i]);\n }\n }\n }\n};\n\nvar ReactControlledComponent_1 = ReactControlledComponent;\n\n// Used as a way to call batchedUpdates when we don't know if we're in a Fiber\n// or Stack context. Such as when we're dispatching events or if third party\n// libraries need to call batchedUpdates. Eventually, this API will go away when\n// everything is batched by default. We'll then have a similar API to opt-out of\n// scheduled work and instead do synchronous work.\n\n// Defaults\nvar stackBatchedUpdates = function (fn, a, b, c, d, e) {\n return fn(a, b, c, d, e);\n};\nvar fiberBatchedUpdates = function (fn, bookkeeping) {\n return fn(bookkeeping);\n};\n\nfunction performFiberBatchedUpdates(fn, bookkeeping) {\n // If we have Fiber loaded, we need to wrap this in a batching call so that\n // Fiber can apply its default priority for this call.\n return fiberBatchedUpdates(fn, bookkeeping);\n}\nfunction batchedUpdates(fn, bookkeeping) {\n // We first perform work with the stack batching strategy, by passing our\n // indirection to it.\n return stackBatchedUpdates(performFiberBatchedUpdates, fn, bookkeeping);\n}\n\nvar isNestingBatched = false;\nfunction batchedUpdatesWithControlledComponents(fn, bookkeeping) {\n if (isNestingBatched) {\n // If we are currently inside another batch, we need to wait until it\n // fully completes before restoring state. Therefore, we add the target to\n // a queue of work.\n return batchedUpdates(fn, bookkeeping);\n }\n isNestingBatched = true;\n try {\n return batchedUpdates(fn, bookkeeping);\n } finally {\n // Here we wait until all updates have propagated, which is important\n // when using controlled components within layers:\n // https://github.com/facebook/react/issues/1698\n // Then we restore state of any controlled component.\n isNestingBatched = false;\n ReactControlledComponent_1.restoreStateIfNeeded();\n }\n}\n\nvar ReactGenericBatchingInjection = {\n injectStackBatchedUpdates: function (_batchedUpdates) {\n stackBatchedUpdates = _batchedUpdates;\n },\n injectFiberBatchedUpdates: function (_batchedUpdates) {\n fiberBatchedUpdates = _batchedUpdates;\n }\n};\n\nvar ReactGenericBatching = {\n batchedUpdates: batchedUpdatesWithControlledComponents,\n injection: ReactGenericBatchingInjection\n};\n\nvar ReactGenericBatching_1 = ReactGenericBatching;\n\nvar TEXT_NODE$1 = HTMLNodeType_1.TEXT_NODE;\n\n/**\n * Gets the target node from a native browser event by accounting for\n * inconsistencies in browser DOM APIs.\n *\n * @param {object} nativeEvent Native browser event.\n * @return {DOMEventTarget} Target node.\n */\n\n\nfunction getEventTarget(nativeEvent) {\n var target = nativeEvent.target || nativeEvent.srcElement || window;\n\n // Normalize SVG element events #4963\n if (target.correspondingUseElement) {\n target = target.correspondingUseElement;\n }\n\n // Safari may fire events on text nodes (Node.TEXT_NODE is 3).\n // @see http://www.quirksmode.org/js/events_properties.html\n return target.nodeType === TEXT_NODE$1 ? target.parentNode : target;\n}\n\nvar getEventTarget_1 = getEventTarget;\n\nvar HostRoot = ReactTypeOfWork.HostRoot;\n\n\nvar CALLBACK_BOOKKEEPING_POOL_SIZE = 10;\nvar callbackBookkeepingPool = [];\n\n/**\n * Find the deepest React component completely containing the root of the\n * passed-in instance (for use when entire React trees are nested within each\n * other). If React trees are not nested, returns null.\n */\nfunction findRootContainerNode(inst) {\n // TODO: It may be a good idea to cache this to prevent unnecessary DOM\n // traversal, but caching is difficult to do correctly without using a\n // mutation observer to listen for all DOM changes.\n if (typeof inst.tag === 'number') {\n while (inst['return']) {\n inst = inst['return'];\n }\n if (inst.tag !== HostRoot) {\n // This can happen if we're in a detached tree.\n return null;\n }\n return inst.stateNode.containerInfo;\n } else {\n while (inst._hostParent) {\n inst = inst._hostParent;\n }\n var rootNode = ReactDOMComponentTree_1.getNodeFromInstance(inst);\n return rootNode.parentNode;\n }\n}\n\n// Used to store ancestor hierarchy in top level callback\nfunction getTopLevelCallbackBookKeeping(topLevelType, nativeEvent, targetInst) {\n if (callbackBookkeepingPool.length) {\n var instance = callbackBookkeepingPool.pop();\n instance.topLevelType = topLevelType;\n instance.nativeEvent = nativeEvent;\n instance.targetInst = targetInst;\n return instance;\n }\n return {\n topLevelType: topLevelType,\n nativeEvent: nativeEvent,\n targetInst: targetInst,\n ancestors: []\n };\n}\n\nfunction releaseTopLevelCallbackBookKeeping(instance) {\n instance.topLevelType = null;\n instance.nativeEvent = null;\n instance.targetInst = null;\n instance.ancestors.length = 0;\n if (callbackBookkeepingPool.length < CALLBACK_BOOKKEEPING_POOL_SIZE) {\n callbackBookkeepingPool.push(instance);\n }\n}\n\nfunction handleTopLevelImpl(bookKeeping) {\n var targetInst = bookKeeping.targetInst;\n\n // Loop through the hierarchy, in case there's any nested components.\n // It's important that we build the array of ancestors before calling any\n // event handlers, because event handlers can modify the DOM, leading to\n // inconsistencies with ReactMount's node cache. See #1105.\n var ancestor = targetInst;\n do {\n if (!ancestor) {\n bookKeeping.ancestors.push(ancestor);\n break;\n }\n var root = findRootContainerNode(ancestor);\n if (!root) {\n break;\n }\n bookKeeping.ancestors.push(ancestor);\n ancestor = ReactDOMComponentTree_1.getClosestInstanceFromNode(root);\n } while (ancestor);\n\n for (var i = 0; i < bookKeeping.ancestors.length; i++) {\n targetInst = bookKeeping.ancestors[i];\n ReactDOMEventListener._handleTopLevel(bookKeeping.topLevelType, targetInst, bookKeeping.nativeEvent, getEventTarget_1(bookKeeping.nativeEvent));\n }\n}\n\nvar ReactDOMEventListener = {\n _enabled: true,\n _handleTopLevel: null,\n\n setHandleTopLevel: function (handleTopLevel) {\n ReactDOMEventListener._handleTopLevel = handleTopLevel;\n },\n\n setEnabled: function (enabled) {\n ReactDOMEventListener._enabled = !!enabled;\n },\n\n isEnabled: function () {\n return ReactDOMEventListener._enabled;\n },\n\n /**\n * Traps top-level events by using event bubbling.\n *\n * @param {string} topLevelType Record from `BrowserEventConstants`.\n * @param {string} handlerBaseName Event name (e.g. \"click\").\n * @param {object} element Element on which to attach listener.\n * @return {?object} An object with a remove function which will forcefully\n * remove the listener.\n * @internal\n */\n trapBubbledEvent: function (topLevelType, handlerBaseName, element) {\n if (!element) {\n return null;\n }\n return EventListener.listen(element, handlerBaseName, ReactDOMEventListener.dispatchEvent.bind(null, topLevelType));\n },\n\n /**\n * Traps a top-level event by using event capturing.\n *\n * @param {string} topLevelType Record from `BrowserEventConstants`.\n * @param {string} handlerBaseName Event name (e.g. \"click\").\n * @param {object} element Element on which to attach listener.\n * @return {?object} An object with a remove function which will forcefully\n * remove the listener.\n * @internal\n */\n trapCapturedEvent: function (topLevelType, handlerBaseName, element) {\n if (!element) {\n return null;\n }\n return EventListener.capture(element, handlerBaseName, ReactDOMEventListener.dispatchEvent.bind(null, topLevelType));\n },\n\n dispatchEvent: function (topLevelType, nativeEvent) {\n if (!ReactDOMEventListener._enabled) {\n return;\n }\n\n var nativeEventTarget = getEventTarget_1(nativeEvent);\n var targetInst = ReactDOMComponentTree_1.getClosestInstanceFromNode(nativeEventTarget);\n if (targetInst !== null && typeof targetInst.tag === 'number' && !ReactFiberTreeReflection.isFiberMounted(targetInst)) {\n // If we get an event (ex: img onload) before committing that\n // component's mount, ignore it for now (that is, treat it as if it was an\n // event on a non-React tree). We might also consider queueing events and\n // dispatching them after the mount.\n targetInst = null;\n }\n\n var bookKeeping = getTopLevelCallbackBookKeeping(topLevelType, nativeEvent, targetInst);\n\n try {\n // Event queue being processed in the same cycle allows\n // `preventDefault`.\n ReactGenericBatching_1.batchedUpdates(handleTopLevelImpl, bookKeeping);\n } finally {\n releaseTopLevelCallbackBookKeeping(bookKeeping);\n }\n }\n};\n\nvar ReactDOMEventListener_1 = ReactDOMEventListener;\n\n/**\n * Accumulates items that must not be null or undefined into the first one. This\n * is used to conserve memory by avoiding array allocations, and thus sacrifices\n * API cleanness. Since `current` can be null before being passed in and not\n * null after this function, make sure to assign it back to `current`:\n *\n * `a = accumulateInto(a, b);`\n *\n * This API should be sparingly used. Try `accumulate` for something cleaner.\n *\n * @return {*|array<*>} An accumulation of items.\n */\n\nfunction accumulateInto(current, next) {\n !(next != null) ? invariant(false, 'accumulateInto(...): Accumulated items must not be null or undefined.') : void 0;\n\n if (current == null) {\n return next;\n }\n\n // Both are not empty. Warning: Never call x.concat(y) when you are not\n // certain that x is an Array (x could be a string with concat method).\n if (Array.isArray(current)) {\n if (Array.isArray(next)) {\n current.push.apply(current, next);\n return current;\n }\n current.push(next);\n return current;\n }\n\n if (Array.isArray(next)) {\n // A bit too dangerous to mutate `next`.\n return [current].concat(next);\n }\n\n return [current, next];\n}\n\nvar accumulateInto_1 = accumulateInto;\n\n/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n *\n * @providesModule forEachAccumulated\n * \n */\n\n/**\n * @param {array} arr an \"accumulation\" of items which is either an Array or\n * a single item. Useful when paired with the `accumulate` module. This is a\n * simple utility that allows us to reason about a collection of items, but\n * handling the case when there is exactly one item (and we do not need to\n * allocate an array).\n * @param {function} cb Callback invoked with each element or a collection.\n * @param {?} [scope] Scope used as `this` in a callback.\n */\n\nfunction forEachAccumulated(arr, cb, scope) {\n if (Array.isArray(arr)) {\n arr.forEach(cb, scope);\n } else if (arr) {\n cb.call(scope, arr);\n }\n}\n\nvar forEachAccumulated_1 = forEachAccumulated;\n\n/**\n * Internal queue of events that have accumulated their dispatches and are\n * waiting to have their dispatches executed.\n */\nvar eventQueue = null;\n\n/**\n * Dispatches an event and releases it back into the pool, unless persistent.\n *\n * @param {?object} event Synthetic event to be dispatched.\n * @param {boolean} simulated If the event is simulated (changes exn behavior)\n * @private\n */\nvar executeDispatchesAndRelease = function (event, simulated) {\n if (event) {\n EventPluginUtils_1.executeDispatchesInOrder(event, simulated);\n\n if (!event.isPersistent()) {\n event.constructor.release(event);\n }\n }\n};\nvar executeDispatchesAndReleaseSimulated = function (e) {\n return executeDispatchesAndRelease(e, true);\n};\nvar executeDispatchesAndReleaseTopLevel = function (e) {\n return executeDispatchesAndRelease(e, false);\n};\n\nfunction isInteractive(tag) {\n return tag === 'button' || tag === 'input' || tag === 'select' || tag === 'textarea';\n}\n\nfunction shouldPreventMouseEvent(name, type, props) {\n switch (name) {\n case 'onClick':\n case 'onClickCapture':\n case 'onDoubleClick':\n case 'onDoubleClickCapture':\n case 'onMouseDown':\n case 'onMouseDownCapture':\n case 'onMouseMove':\n case 'onMouseMoveCapture':\n case 'onMouseUp':\n case 'onMouseUpCapture':\n return !!(props.disabled && isInteractive(type));\n default:\n return false;\n }\n}\n\n/**\n * This is a unified interface for event plugins to be installed and configured.\n *\n * Event plugins can implement the following properties:\n *\n * `extractEvents` {function(string, DOMEventTarget, string, object): *}\n * Required. When a top-level event is fired, this method is expected to\n * extract synthetic events that will in turn be queued and dispatched.\n *\n * `eventTypes` {object}\n * Optional, plugins that fire events must publish a mapping of registration\n * names that are used to register listeners. Values of this mapping must\n * be objects that contain `registrationName` or `phasedRegistrationNames`.\n *\n * `executeDispatch` {function(object, function, string)}\n * Optional, allows plugins to override how an event gets dispatched. By\n * default, the listener is simply invoked.\n *\n * Each plugin that is injected into `EventsPluginHub` is immediately operable.\n *\n * @public\n */\nvar EventPluginHub = {\n /**\n * Methods for injecting dependencies.\n */\n injection: {\n /**\n * @param {array} InjectedEventPluginOrder\n * @public\n */\n injectEventPluginOrder: EventPluginRegistry_1.injectEventPluginOrder,\n\n /**\n * @param {object} injectedNamesToPlugins Map from names to plugin modules.\n */\n injectEventPluginsByName: EventPluginRegistry_1.injectEventPluginsByName\n },\n\n /**\n * @param {object} inst The instance, which is the source of events.\n * @param {string} registrationName Name of listener (e.g. `onClick`).\n * @return {?function} The stored callback.\n */\n getListener: function (inst, registrationName) {\n var listener;\n\n // TODO: shouldPreventMouseEvent is DOM-specific and definitely should not\n // live here; needs to be moved to a better place soon\n if (typeof inst.tag === 'number') {\n var stateNode = inst.stateNode;\n if (!stateNode) {\n // Work in progress (ex: onload events in incremental mode).\n return null;\n }\n var props = EventPluginUtils_1.getFiberCurrentPropsFromNode(stateNode);\n if (!props) {\n // Work in progress.\n return null;\n }\n listener = props[registrationName];\n if (shouldPreventMouseEvent(registrationName, inst.type, props)) {\n return null;\n }\n } else {\n var currentElement = inst._currentElement;\n if (typeof currentElement === 'string' || typeof currentElement === 'number') {\n // Text node, let it bubble through.\n return null;\n }\n if (!inst._rootNodeID) {\n // If the instance is already unmounted, we have no listeners.\n return null;\n }\n var _props = currentElement.props;\n listener = _props[registrationName];\n if (shouldPreventMouseEvent(registrationName, currentElement.type, _props)) {\n return null;\n }\n }\n\n !(!listener || typeof listener === 'function') ? invariant(false, 'Expected `%s` listener to be a function, instead got a value of `%s` type.', registrationName, typeof listener) : void 0;\n return listener;\n },\n\n /**\n * Allows registered plugins an opportunity to extract events from top-level\n * native browser events.\n *\n * @return {*} An accumulation of synthetic events.\n * @internal\n */\n extractEvents: function (topLevelType, targetInst, nativeEvent, nativeEventTarget) {\n var events;\n var plugins = EventPluginRegistry_1.plugins;\n for (var i = 0; i < plugins.length; i++) {\n // Not every plugin in the ordering may be loaded at runtime.\n var possiblePlugin = plugins[i];\n if (possiblePlugin) {\n var extractedEvents = possiblePlugin.extractEvents(topLevelType, targetInst, nativeEvent, nativeEventTarget);\n if (extractedEvents) {\n events = accumulateInto_1(events, extractedEvents);\n }\n }\n }\n return events;\n },\n\n /**\n * Enqueues a synthetic event that should be dispatched when\n * `processEventQueue` is invoked.\n *\n * @param {*} events An accumulation of synthetic events.\n * @internal\n */\n enqueueEvents: function (events) {\n if (events) {\n eventQueue = accumulateInto_1(eventQueue, events);\n }\n },\n\n /**\n * Dispatches all synthetic events on the event queue.\n *\n * @internal\n */\n processEventQueue: function (simulated) {\n // Set `eventQueue` to null before processing it so that we can tell if more\n // events get enqueued while processing.\n var processingEventQueue = eventQueue;\n eventQueue = null;\n if (simulated) {\n forEachAccumulated_1(processingEventQueue, executeDispatchesAndReleaseSimulated);\n } else {\n forEachAccumulated_1(processingEventQueue, executeDispatchesAndReleaseTopLevel);\n }\n !!eventQueue ? invariant(false, 'processEventQueue(): Additional events were enqueued while processing an event queue. Support for this has not yet been implemented.') : void 0;\n // This would be a good time to rethrow if any of the event handlers threw.\n ReactErrorUtils_1.rethrowCaughtError();\n }\n};\n\nvar EventPluginHub_1 = EventPluginHub;\n\nfunction runEventQueueInBatch(events) {\n EventPluginHub_1.enqueueEvents(events);\n EventPluginHub_1.processEventQueue(false);\n}\n\nvar ReactEventEmitterMixin = {\n /**\n * Streams a fired top-level event to `EventPluginHub` where plugins have the\n * opportunity to create `ReactEvent`s to be dispatched.\n */\n handleTopLevel: function (topLevelType, targetInst, nativeEvent, nativeEventTarget) {\n var events = EventPluginHub_1.extractEvents(topLevelType, targetInst, nativeEvent, nativeEventTarget);\n runEventQueueInBatch(events);\n }\n};\n\nvar ReactEventEmitterMixin_1 = ReactEventEmitterMixin;\n\nvar useHasFeature;\nif (ExecutionEnvironment.canUseDOM) {\n useHasFeature = document.implementation && document.implementation.hasFeature &&\n // always returns true in newer browsers as per the standard.\n // @see http://dom.spec.whatwg.org/#dom-domimplementation-hasfeature\n document.implementation.hasFeature('', '') !== true;\n}\n\n/**\n * Checks if an event is supported in the current execution environment.\n *\n * NOTE: This will not work correctly for non-generic events such as `change`,\n * `reset`, `load`, `error`, and `select`.\n *\n * Borrows from Modernizr.\n *\n * @param {string} eventNameSuffix Event name, e.g. \"click\".\n * @param {?boolean} capture Check if the capture phase is supported.\n * @return {boolean} True if the event is supported.\n * @internal\n * @license Modernizr 3.0.0pre (Custom Build) | MIT\n */\nfunction isEventSupported(eventNameSuffix, capture) {\n if (!ExecutionEnvironment.canUseDOM || capture && !('addEventListener' in document)) {\n return false;\n }\n\n var eventName = 'on' + eventNameSuffix;\n var isSupported = eventName in document;\n\n if (!isSupported) {\n var element = document.createElement('div');\n element.setAttribute(eventName, 'return;');\n isSupported = typeof element[eventName] === 'function';\n }\n\n if (!isSupported && useHasFeature && eventNameSuffix === 'wheel') {\n // This is the only way to test support for the `wheel` event in IE9+.\n isSupported = document.implementation.hasFeature('Events.wheel', '3.0');\n }\n\n return isSupported;\n}\n\nvar isEventSupported_1 = isEventSupported;\n\n/**\n * Generate a mapping of standard vendor prefixes using the defined style property and event name.\n *\n * @param {string} styleProp\n * @param {string} eventName\n * @returns {object}\n */\nfunction makePrefixMap(styleProp, eventName) {\n var prefixes = {};\n\n prefixes[styleProp.toLowerCase()] = eventName.toLowerCase();\n prefixes['Webkit' + styleProp] = 'webkit' + eventName;\n prefixes['Moz' + styleProp] = 'moz' + eventName;\n prefixes['ms' + styleProp] = 'MS' + eventName;\n prefixes['O' + styleProp] = 'o' + eventName.toLowerCase();\n\n return prefixes;\n}\n\n/**\n * A list of event names to a configurable list of vendor prefixes.\n */\nvar vendorPrefixes = {\n animationend: makePrefixMap('Animation', 'AnimationEnd'),\n animationiteration: makePrefixMap('Animation', 'AnimationIteration'),\n animationstart: makePrefixMap('Animation', 'AnimationStart'),\n transitionend: makePrefixMap('Transition', 'TransitionEnd')\n};\n\n/**\n * Event names that have already been detected and prefixed (if applicable).\n */\nvar prefixedEventNames = {};\n\n/**\n * Element to check for prefixes on.\n */\nvar style = {};\n\n/**\n * Bootstrap if a DOM exists.\n */\nif (ExecutionEnvironment.canUseDOM) {\n style = document.createElement('div').style;\n\n // On some platforms, in particular some releases of Android 4.x,\n // the un-prefixed \"animation\" and \"transition\" properties are defined on the\n // style object but the events that fire will still be prefixed, so we need\n // to check if the un-prefixed events are usable, and if not remove them from the map.\n if (!('AnimationEvent' in window)) {\n delete vendorPrefixes.animationend.animation;\n delete vendorPrefixes.animationiteration.animation;\n delete vendorPrefixes.animationstart.animation;\n }\n\n // Same as above\n if (!('TransitionEvent' in window)) {\n delete vendorPrefixes.transitionend.transition;\n }\n}\n\n/**\n * Attempts to determine the correct vendor prefixed event name.\n *\n * @param {string} eventName\n * @returns {string}\n */\nfunction getVendorPrefixedEventName(eventName) {\n if (prefixedEventNames[eventName]) {\n return prefixedEventNames[eventName];\n } else if (!vendorPrefixes[eventName]) {\n return eventName;\n }\n\n var prefixMap = vendorPrefixes[eventName];\n\n for (var styleProp in prefixMap) {\n if (prefixMap.hasOwnProperty(styleProp) && styleProp in style) {\n return prefixedEventNames[eventName] = prefixMap[styleProp];\n }\n }\n\n return '';\n}\n\nvar getVendorPrefixedEventName_1 = getVendorPrefixedEventName;\n\n/**\n * Types of raw signals from the browser caught at the top level.\n *\n * For events like 'submit' which don't consistently bubble (which we\n * trap at a lower node than `document`), binding at `document` would\n * cause duplicate events so we don't include them here.\n */\nvar topLevelTypes$1 = {\n topAbort: 'abort',\n topAnimationEnd: getVendorPrefixedEventName_1('animationend') || 'animationend',\n topAnimationIteration: getVendorPrefixedEventName_1('animationiteration') || 'animationiteration',\n topAnimationStart: getVendorPrefixedEventName_1('animationstart') || 'animationstart',\n topBlur: 'blur',\n topCancel: 'cancel',\n topCanPlay: 'canplay',\n topCanPlayThrough: 'canplaythrough',\n topChange: 'change',\n topClick: 'click',\n topClose: 'close',\n topCompositionEnd: 'compositionend',\n topCompositionStart: 'compositionstart',\n topCompositionUpdate: 'compositionupdate',\n topContextMenu: 'contextmenu',\n topCopy: 'copy',\n topCut: 'cut',\n topDoubleClick: 'dblclick',\n topDrag: 'drag',\n topDragEnd: 'dragend',\n topDragEnter: 'dragenter',\n topDragExit: 'dragexit',\n topDragLeave: 'dragleave',\n topDragOver: 'dragover',\n topDragStart: 'dragstart',\n topDrop: 'drop',\n topDurationChange: 'durationchange',\n topEmptied: 'emptied',\n topEncrypted: 'encrypted',\n topEnded: 'ended',\n topError: 'error',\n topFocus: 'focus',\n topInput: 'input',\n topKeyDown: 'keydown',\n topKeyPress: 'keypress',\n topKeyUp: 'keyup',\n topLoadedData: 'loadeddata',\n topLoad: 'load',\n topLoadedMetadata: 'loadedmetadata',\n topLoadStart: 'loadstart',\n topMouseDown: 'mousedown',\n topMouseMove: 'mousemove',\n topMouseOut: 'mouseout',\n topMouseOver: 'mouseover',\n topMouseUp: 'mouseup',\n topPaste: 'paste',\n topPause: 'pause',\n topPlay: 'play',\n topPlaying: 'playing',\n topProgress: 'progress',\n topRateChange: 'ratechange',\n topScroll: 'scroll',\n topSeeked: 'seeked',\n topSeeking: 'seeking',\n topSelectionChange: 'selectionchange',\n topStalled: 'stalled',\n topSuspend: 'suspend',\n topTextInput: 'textInput',\n topTimeUpdate: 'timeupdate',\n topToggle: 'toggle',\n topTouchCancel: 'touchcancel',\n topTouchEnd: 'touchend',\n topTouchMove: 'touchmove',\n topTouchStart: 'touchstart',\n topTransitionEnd: getVendorPrefixedEventName_1('transitionend') || 'transitionend',\n topVolumeChange: 'volumechange',\n topWaiting: 'waiting',\n topWheel: 'wheel'\n};\n\nvar BrowserEventConstants = {\n topLevelTypes: topLevelTypes$1\n};\n\nvar BrowserEventConstants_1 = BrowserEventConstants;\n\nvar topLevelTypes = BrowserEventConstants_1.topLevelTypes;\n\n/**\n * Summary of `ReactBrowserEventEmitter` event handling:\n *\n * - Top-level delegation is used to trap most native browser events. This\n * may only occur in the main thread and is the responsibility of\n * ReactDOMEventListener, which is injected and can therefore support\n * pluggable event sources. This is the only work that occurs in the main\n * thread.\n *\n * - We normalize and de-duplicate events to account for browser quirks. This\n * may be done in the worker thread.\n *\n * - Forward these native events (with the associated top-level type used to\n * trap it) to `EventPluginHub`, which in turn will ask plugins if they want\n * to extract any synthetic events.\n *\n * - The `EventPluginHub` will then process each event by annotating them with\n * \"dispatches\", a sequence of listeners and IDs that care about that event.\n *\n * - The `EventPluginHub` then dispatches the events.\n *\n * Overview of React and the event system:\n *\n * +------------+ .\n * | DOM | .\n * +------------+ .\n * | .\n * v .\n * +------------+ .\n * | ReactEvent | .\n * | Listener | .\n * +------------+ . +-----------+\n * | . +--------+|SimpleEvent|\n * | . | |Plugin |\n * +-----|------+ . v +-----------+\n * | | | . +--------------+ +------------+\n * | +-----------.---\x3e|EventPluginHub| | Event |\n * | | . | | +-----------+ | Propagators|\n * | ReactEvent | . | | |TapEvent | |------------|\n * | Emitter | . | |<---+|Plugin | |other plugin|\n * | | . | | +-----------+ | utilities |\n * | +-----------.---\x3e| | +------------+\n * | | | . +--------------+\n * +-----|------+ . ^ +-----------+\n * | . | |Enter/Leave|\n * + . +-------+|Plugin |\n * +-------------+ . +-----------+\n * | application | .\n * |-------------| .\n * | | .\n * | | .\n * +-------------+ .\n * .\n * React Core . General Purpose Event Plugin System\n */\n\nvar alreadyListeningTo = {};\nvar reactTopListenersCounter = 0;\n\n/**\n * To ensure no conflicts with other potential React instances on the page\n */\nvar topListenersIDKey = '_reactListenersID' + ('' + Math.random()).slice(2);\n\nfunction getListeningForDocument(mountAt) {\n // In IE8, `mountAt` is a host object and doesn't have `hasOwnProperty`\n // directly.\n if (!Object.prototype.hasOwnProperty.call(mountAt, topListenersIDKey)) {\n mountAt[topListenersIDKey] = reactTopListenersCounter++;\n alreadyListeningTo[mountAt[topListenersIDKey]] = {};\n }\n return alreadyListeningTo[mountAt[topListenersIDKey]];\n}\n\nvar ReactBrowserEventEmitter = _assign({}, ReactEventEmitterMixin_1, {\n /**\n * Sets whether or not any created callbacks should be enabled.\n *\n * @param {boolean} enabled True if callbacks should be enabled.\n */\n setEnabled: function (enabled) {\n if (ReactDOMEventListener_1) {\n ReactDOMEventListener_1.setEnabled(enabled);\n }\n },\n\n /**\n * @return {boolean} True if callbacks are enabled.\n */\n isEnabled: function () {\n return !!(ReactDOMEventListener_1 && ReactDOMEventListener_1.isEnabled());\n },\n\n /**\n * We listen for bubbled touch events on the document object.\n *\n * Firefox v8.01 (and possibly others) exhibited strange behavior when\n * mounting `onmousemove` events at some node that was not the document\n * element. The symptoms were that if your mouse is not moving over something\n * contained within that mount point (for example on the background) the\n * top-level listeners for `onmousemove` won't be called. However, if you\n * register the `mousemove` on the document object, then it will of course\n * catch all `mousemove`s. This along with iOS quirks, justifies restricting\n * top-level listeners to the document object only, at least for these\n * movement types of events and possibly all events.\n *\n * @see http://www.quirksmode.org/blog/archives/2010/09/click_event_del.html\n *\n * Also, `keyup`/`keypress`/`keydown` do not bubble to the window on IE, but\n * they bubble to document.\n *\n * @param {string} registrationName Name of listener (e.g. `onClick`).\n * @param {object} contentDocumentHandle Document which owns the container\n */\n listenTo: function (registrationName, contentDocumentHandle) {\n var mountAt = contentDocumentHandle;\n var isListening = getListeningForDocument(mountAt);\n var dependencies = EventPluginRegistry_1.registrationNameDependencies[registrationName];\n\n for (var i = 0; i < dependencies.length; i++) {\n var dependency = dependencies[i];\n if (!(isListening.hasOwnProperty(dependency) && isListening[dependency])) {\n if (dependency === 'topWheel') {\n if (isEventSupported_1('wheel')) {\n ReactDOMEventListener_1.trapBubbledEvent('topWheel', 'wheel', mountAt);\n } else if (isEventSupported_1('mousewheel')) {\n ReactDOMEventListener_1.trapBubbledEvent('topWheel', 'mousewheel', mountAt);\n } else {\n // Firefox needs to capture a different mouse scroll event.\n // @see http://www.quirksmode.org/dom/events/tests/scroll.html\n ReactDOMEventListener_1.trapBubbledEvent('topWheel', 'DOMMouseScroll', mountAt);\n }\n } else if (dependency === 'topScroll') {\n ReactDOMEventListener_1.trapCapturedEvent('topScroll', 'scroll', mountAt);\n } else if (dependency === 'topFocus' || dependency === 'topBlur') {\n ReactDOMEventListener_1.trapCapturedEvent('topFocus', 'focus', mountAt);\n ReactDOMEventListener_1.trapCapturedEvent('topBlur', 'blur', mountAt);\n\n // to make sure blur and focus event listeners are only attached once\n isListening.topBlur = true;\n isListening.topFocus = true;\n } else if (dependency === 'topCancel') {\n if (isEventSupported_1('cancel', true)) {\n ReactDOMEventListener_1.trapCapturedEvent('topCancel', 'cancel', mountAt);\n }\n isListening.topCancel = true;\n } else if (dependency === 'topClose') {\n if (isEventSupported_1('close', true)) {\n ReactDOMEventListener_1.trapCapturedEvent('topClose', 'close', mountAt);\n }\n isListening.topClose = true;\n } else if (topLevelTypes.hasOwnProperty(dependency)) {\n ReactDOMEventListener_1.trapBubbledEvent(dependency, topLevelTypes[dependency], mountAt);\n }\n\n isListening[dependency] = true;\n }\n }\n },\n\n isListeningToAllDependencies: function (registrationName, mountAt) {\n var isListening = getListeningForDocument(mountAt);\n var dependencies = EventPluginRegistry_1.registrationNameDependencies[registrationName];\n for (var i = 0; i < dependencies.length; i++) {\n var dependency = dependencies[i];\n if (!(isListening.hasOwnProperty(dependency) && isListening[dependency])) {\n return false;\n }\n }\n return true;\n },\n\n trapBubbledEvent: function (topLevelType, handlerBaseName, handle) {\n return ReactDOMEventListener_1.trapBubbledEvent(topLevelType, handlerBaseName, handle);\n },\n\n trapCapturedEvent: function (topLevelType, handlerBaseName, handle) {\n return ReactDOMEventListener_1.trapCapturedEvent(topLevelType, handlerBaseName, handle);\n }\n});\n\nvar ReactBrowserEventEmitter_1 = ReactBrowserEventEmitter;\n\n/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n *\n * @providesModule ReactDOMFeatureFlags\n */\n\nvar ReactDOMFeatureFlags = {\n fiberAsyncScheduling: false,\n useFiber: true\n};\n\nvar ReactDOMFeatureFlags_1 = ReactDOMFeatureFlags;\n\n/**\n * Copyright (c) 2013-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n *\n * @providesModule CSSProperty\n */\n\n/**\n * CSS properties which accept numbers but are not in units of \"px\".\n */\n\nvar isUnitlessNumber = {\n animationIterationCount: true,\n borderImageOutset: true,\n borderImageSlice: true,\n borderImageWidth: true,\n boxFlex: true,\n boxFlexGroup: true,\n boxOrdinalGroup: true,\n columnCount: true,\n columns: true,\n flex: true,\n flexGrow: true,\n flexPositive: true,\n flexShrink: true,\n flexNegative: true,\n flexOrder: true,\n gridRow: true,\n gridRowEnd: true,\n gridRowSpan: true,\n gridRowStart: true,\n gridColumn: true,\n gridColumnEnd: true,\n gridColumnSpan: true,\n gridColumnStart: true,\n fontWeight: true,\n lineClamp: true,\n lineHeight: true,\n opacity: true,\n order: true,\n orphans: true,\n tabSize: true,\n widows: true,\n zIndex: true,\n zoom: true,\n\n // SVG-related properties\n fillOpacity: true,\n floodOpacity: true,\n stopOpacity: true,\n strokeDasharray: true,\n strokeDashoffset: true,\n strokeMiterlimit: true,\n strokeOpacity: true,\n strokeWidth: true\n};\n\n/**\n * @param {string} prefix vendor-specific prefix, eg: Webkit\n * @param {string} key style name, eg: transitionDuration\n * @return {string} style name prefixed with `prefix`, properly camelCased, eg:\n * WebkitTransitionDuration\n */\nfunction prefixKey(prefix, key) {\n return prefix + key.charAt(0).toUpperCase() + key.substring(1);\n}\n\n/**\n * Support style names that may come passed in prefixed by adding permutations\n * of vendor prefixes.\n */\nvar prefixes = ['Webkit', 'ms', 'Moz', 'O'];\n\n// Using Object.keys here, or else the vanilla for-in loop makes IE8 go into an\n// infinite loop, because it iterates over the newly added props too.\nObject.keys(isUnitlessNumber).forEach(function (prop) {\n prefixes.forEach(function (prefix) {\n isUnitlessNumber[prefixKey(prefix, prop)] = isUnitlessNumber[prop];\n });\n});\n\n/**\n * Most style properties can be unset by doing .style[prop] = '' but IE8\n * doesn't like doing that with shorthand properties so for the properties that\n * IE8 breaks on, which are listed here, we instead unset each of the\n * individual properties. See http://bugs.jquery.com/ticket/12385.\n * The 4-value 'clock' properties like margin, padding, border-width seem to\n * behave without any problems. Curiously, list-style works too without any\n * special prodding.\n */\nvar shorthandPropertyExpansions = {\n background: {\n backgroundAttachment: true,\n backgroundColor: true,\n backgroundImage: true,\n backgroundPositionX: true,\n backgroundPositionY: true,\n backgroundRepeat: true\n },\n backgroundPosition: {\n backgroundPositionX: true,\n backgroundPositionY: true\n },\n border: {\n borderWidth: true,\n borderStyle: true,\n borderColor: true\n },\n borderBottom: {\n borderBottomWidth: true,\n borderBottomStyle: true,\n borderBottomColor: true\n },\n borderLeft: {\n borderLeftWidth: true,\n borderLeftStyle: true,\n borderLeftColor: true\n },\n borderRight: {\n borderRightWidth: true,\n borderRightStyle: true,\n borderRightColor: true\n },\n borderTop: {\n borderTopWidth: true,\n borderTopStyle: true,\n borderTopColor: true\n },\n font: {\n fontStyle: true,\n fontVariant: true,\n fontWeight: true,\n fontSize: true,\n lineHeight: true,\n fontFamily: true\n },\n outline: {\n outlineWidth: true,\n outlineStyle: true,\n outlineColor: true\n }\n};\n\nvar CSSProperty = {\n isUnitlessNumber: isUnitlessNumber,\n shorthandPropertyExpansions: shorthandPropertyExpansions\n};\n\nvar CSSProperty_1 = CSSProperty;\n\nvar isUnitlessNumber$1 = CSSProperty_1.isUnitlessNumber;\n\n/**\n * Convert a value into the proper css writable value. The style name `name`\n * should be logical (no hyphens), as specified\n * in `CSSProperty.isUnitlessNumber`.\n *\n * @param {string} name CSS property name such as `topMargin`.\n * @param {*} value CSS property value such as `10px`.\n * @return {string} Normalized style value with dimensions applied.\n */\nfunction dangerousStyleValue(name, value, isCustomProperty) {\n // Note that we've removed escapeTextForBrowser() calls here since the\n // whole string will be escaped when the attribute is injected into\n // the markup. If you provide unsafe user data here they can inject\n // arbitrary CSS which may be problematic (I couldn't repro this):\n // https://www.owasp.org/index.php/XSS_Filter_Evasion_Cheat_Sheet\n // http://www.thespanner.co.uk/2007/11/26/ultimate-xss-css-injection/\n // This is not an XSS hole but instead a potential CSS injection issue\n // which has lead to a greater discussion about how we're going to\n // trust URLs moving forward. See #2115901\n\n var isEmpty = value == null || typeof value === 'boolean' || value === '';\n if (isEmpty) {\n return '';\n }\n\n if (!isCustomProperty && typeof value === 'number' && value !== 0 && !(isUnitlessNumber$1.hasOwnProperty(name) && isUnitlessNumber$1[name])) {\n return value + 'px'; // Presumes implicit 'px' suffix for unitless numbers\n }\n\n return ('' + value).trim();\n}\n\nvar dangerousStyleValue_1 = dangerousStyleValue;\n\n/**\n * Copyright (c) 2016-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n *\n * \n * @providesModule describeComponentFrame\n */\n\nvar describeComponentFrame = function (name, source, ownerName) {\n return '\\n in ' + (name || 'Unknown') + (source ? ' (at ' + source.fileName.replace(/^.*[\\\\\\/]/, '') + ':' + source.lineNumber + ')' : ownerName ? ' (created by ' + ownerName + ')' : '');\n};\n\nvar IndeterminateComponent = ReactTypeOfWork.IndeterminateComponent;\nvar FunctionalComponent = ReactTypeOfWork.FunctionalComponent;\nvar ClassComponent$1 = ReactTypeOfWork.ClassComponent;\nvar HostComponent$2 = ReactTypeOfWork.HostComponent;\n\n\n\n\nfunction describeFiber(fiber) {\n switch (fiber.tag) {\n case IndeterminateComponent:\n case FunctionalComponent:\n case ClassComponent$1:\n case HostComponent$2:\n var owner = fiber._debugOwner;\n var source = fiber._debugSource;\n var name = getComponentName_1(fiber);\n var ownerName = null;\n if (owner) {\n ownerName = getComponentName_1(owner);\n }\n return describeComponentFrame(name, source, ownerName);\n default:\n return '';\n }\n}\n\n// This function can only be called with a work-in-progress fiber and\n// only during begin or complete phase. Do not call it under any other\n// circumstances.\nfunction getStackAddendumByWorkInProgressFiber$1(workInProgress) {\n var info = '';\n var node = workInProgress;\n do {\n info += describeFiber(node);\n // Otherwise this return pointer might point to the wrong tree:\n node = node['return'];\n } while (node);\n return info;\n}\n\nvar ReactFiberComponentTreeHook = {\n getStackAddendumByWorkInProgressFiber: getStackAddendumByWorkInProgressFiber$1\n};\n\nvar ReactDebugCurrentFrame = ReactGlobalSharedState_1.ReactDebugCurrentFrame;\n\n{\n var getComponentName$3 = getComponentName_1;\n\n var _require2$2 = ReactFiberComponentTreeHook,\n getStackAddendumByWorkInProgressFiber = _require2$2.getStackAddendumByWorkInProgressFiber;\n}\n\nfunction getCurrentFiberOwnerName$2() {\n {\n var fiber = ReactDebugCurrentFiber.current;\n if (fiber === null) {\n return null;\n }\n if (fiber._debugOwner != null) {\n return getComponentName$3(fiber._debugOwner);\n }\n }\n return null;\n}\n\nfunction getCurrentFiberStackAddendum$1() {\n {\n var fiber = ReactDebugCurrentFiber.current;\n if (fiber === null) {\n return null;\n }\n // Safe because if current fiber exists, we are reconciling,\n // and it is guaranteed to be the work-in-progress version.\n return getStackAddendumByWorkInProgressFiber(fiber);\n }\n return null;\n}\n\nfunction resetCurrentFiber() {\n ReactDebugCurrentFrame.getCurrentStack = null;\n ReactDebugCurrentFiber.current = null;\n ReactDebugCurrentFiber.phase = null;\n}\n\nfunction setCurrentFiber(fiber, phase) {\n ReactDebugCurrentFrame.getCurrentStack = getCurrentFiberStackAddendum$1;\n ReactDebugCurrentFiber.current = fiber;\n ReactDebugCurrentFiber.phase = phase;\n}\n\nvar ReactDebugCurrentFiber = {\n current: null,\n phase: null,\n resetCurrentFiber: resetCurrentFiber,\n setCurrentFiber: setCurrentFiber,\n getCurrentFiberOwnerName: getCurrentFiberOwnerName$2,\n getCurrentFiberStackAddendum: getCurrentFiberStackAddendum$1\n};\n\nvar ReactDebugCurrentFiber_1 = ReactDebugCurrentFiber;\n\nvar warnValidStyle$1 = emptyFunction;\n\n{\n var camelizeStyleName$1 = camelizeStyleName;\n var getComponentName$2 = getComponentName_1;\n var warning$4 = require$$0;\n\n var _require$3 = ReactDebugCurrentFiber_1,\n getCurrentFiberOwnerName$1 = _require$3.getCurrentFiberOwnerName;\n\n // 'msTransform' is correct, but the other prefixes should be capitalized\n\n\n var badVendoredStyleNamePattern = /^(?:webkit|moz|o)[A-Z]/;\n\n // style values shouldn't contain a semicolon\n var badStyleValueWithSemicolonPattern = /;\\s*$/;\n\n var warnedStyleNames = {};\n var warnedStyleValues = {};\n var warnedForNaNValue = false;\n var warnedForInfinityValue = false;\n\n var warnHyphenatedStyleName = function (name, owner) {\n if (warnedStyleNames.hasOwnProperty(name) && warnedStyleNames[name]) {\n return;\n }\n\n warnedStyleNames[name] = true;\n warning$4(false, 'Unsupported style property %s. Did you mean %s?%s', name, camelizeStyleName$1(name), checkRenderMessage(owner));\n };\n\n var warnBadVendoredStyleName = function (name, owner) {\n if (warnedStyleNames.hasOwnProperty(name) && warnedStyleNames[name]) {\n return;\n }\n\n warnedStyleNames[name] = true;\n warning$4(false, 'Unsupported vendor-prefixed style property %s. Did you mean %s?%s', name, name.charAt(0).toUpperCase() + name.slice(1), checkRenderMessage(owner));\n };\n\n var warnStyleValueWithSemicolon = function (name, value, owner) {\n if (warnedStyleValues.hasOwnProperty(value) && warnedStyleValues[value]) {\n return;\n }\n\n warnedStyleValues[value] = true;\n warning$4(false, \"Style property values shouldn't contain a semicolon.%s \" + 'Try \"%s: %s\" instead.', checkRenderMessage(owner), name, value.replace(badStyleValueWithSemicolonPattern, ''));\n };\n\n var warnStyleValueIsNaN = function (name, value, owner) {\n if (warnedForNaNValue) {\n return;\n }\n\n warnedForNaNValue = true;\n warning$4(false, '`NaN` is an invalid value for the `%s` css style property.%s', name, checkRenderMessage(owner));\n };\n\n var warnStyleValueIsInfinity = function (name, value, owner) {\n if (warnedForInfinityValue) {\n return;\n }\n\n warnedForInfinityValue = true;\n warning$4(false, '`Infinity` is an invalid value for the `%s` css style property.%s', name, checkRenderMessage(owner));\n };\n\n var checkRenderMessage = function (owner) {\n var ownerName;\n if (owner != null) {\n // Stack passes the owner manually all the way to CSSPropertyOperations.\n ownerName = getComponentName$2(owner);\n } else {\n // Fiber doesn't pass it but uses ReactDebugCurrentFiber to track it.\n // It is only enabled in development and tracks host components too.\n ownerName = getCurrentFiberOwnerName$1();\n // TODO: also report the stack.\n }\n if (ownerName) {\n return '\\n\\nCheck the render method of `' + ownerName + '`.';\n }\n return '';\n };\n\n warnValidStyle$1 = function (name, value, component) {\n var owner;\n if (component) {\n // TODO: this only works with Stack. Seems like we need to add unit tests?\n owner = component._currentElement._owner;\n }\n if (name.indexOf('-') > -1) {\n warnHyphenatedStyleName(name, owner);\n } else if (badVendoredStyleNamePattern.test(name)) {\n warnBadVendoredStyleName(name, owner);\n } else if (badStyleValueWithSemicolonPattern.test(value)) {\n warnStyleValueWithSemicolon(name, value, owner);\n }\n\n if (typeof value === 'number') {\n if (isNaN(value)) {\n warnStyleValueIsNaN(name, value, owner);\n } else if (!isFinite(value)) {\n warnStyleValueIsInfinity(name, value, owner);\n }\n }\n };\n}\n\nvar warnValidStyle_1 = warnValidStyle$1;\n\n{\n var hyphenateStyleName$1 = hyphenateStyleName;\n var warnValidStyle = warnValidStyle_1;\n}\n\nvar hasShorthandPropertyBug = false;\nif (ExecutionEnvironment.canUseDOM) {\n var tempStyle = document.createElement('div').style;\n try {\n // IE8 throws \"Invalid argument.\" if resetting shorthand style properties.\n tempStyle.font = '';\n } catch (e) {\n hasShorthandPropertyBug = true;\n }\n}\n\n/**\n * Operations for dealing with CSS properties.\n */\nvar CSSPropertyOperations = {\n /**\n * This creates a string that is expected to be equivalent to the style\n * attribute generated by server-side rendering. It by-passes warnings and\n * security checks so it's not safe to use this value for anything other than\n * comparison. It is only used in DEV for SSR validation.\n */\n createDangerousStringForStyles: function (styles) {\n {\n var serialized = '';\n var delimiter = '';\n for (var styleName in styles) {\n if (!styles.hasOwnProperty(styleName)) {\n continue;\n }\n var styleValue = styles[styleName];\n if (styleValue != null) {\n var isCustomProperty = styleName.indexOf('--') === 0;\n serialized += delimiter + hyphenateStyleName$1(styleName) + ':';\n serialized += dangerousStyleValue_1(styleName, styleValue, isCustomProperty);\n\n delimiter = ';';\n }\n }\n return serialized || null;\n }\n },\n\n /**\n * Sets the value for multiple styles on a node. If a value is specified as\n * '' (empty string), the corresponding style property will be unset.\n *\n * @param {DOMElement} node\n * @param {object} styles\n * @param {ReactDOMComponent} component\n */\n setValueForStyles: function (node, styles, component) {\n var style = node.style;\n for (var styleName in styles) {\n if (!styles.hasOwnProperty(styleName)) {\n continue;\n }\n var isCustomProperty = styleName.indexOf('--') === 0;\n {\n if (!isCustomProperty) {\n warnValidStyle(styleName, styles[styleName], component);\n }\n }\n var styleValue = dangerousStyleValue_1(styleName, styles[styleName], isCustomProperty);\n if (styleName === 'float') {\n styleName = 'cssFloat';\n }\n if (isCustomProperty) {\n style.setProperty(styleName, styleValue);\n } else if (styleValue) {\n style[styleName] = styleValue;\n } else {\n var expansion = hasShorthandPropertyBug && CSSProperty_1.shorthandPropertyExpansions[styleName];\n if (expansion) {\n // Shorthand property that IE8 won't like unsetting, so unset each\n // component to placate it\n for (var individualStyleName in expansion) {\n style[individualStyleName] = '';\n }\n } else {\n style[styleName] = '';\n }\n }\n }\n }\n};\n\nvar CSSPropertyOperations_1 = CSSPropertyOperations;\n\nvar ReactInvalidSetStateWarningHook = {};\n\n{\n var warning$7 = require$$0;\n var processingChildContext = false;\n\n var warnInvalidSetState = function () {\n warning$7(!processingChildContext, 'setState(...): Cannot call setState() inside getChildContext()');\n };\n\n ReactInvalidSetStateWarningHook = {\n onBeginProcessingChildContext: function () {\n processingChildContext = true;\n },\n onEndProcessingChildContext: function () {\n processingChildContext = false;\n },\n onSetState: function () {\n warnInvalidSetState();\n }\n };\n}\n\nvar ReactInvalidSetStateWarningHook_1 = ReactInvalidSetStateWarningHook;\n\n/**\n * Copyright (c) 2016-present, Facebook, Inc.\n *\n * This source code is licensed under the MIT license found in the\n * LICENSE file in the root directory of this source tree.\n *\n * @providesModule ReactHostOperationHistoryHook\n * \n */\n\n// Trust the developer to only use this with a true check\nvar ReactHostOperationHistoryHook = null;\n\n{\n var history = [];\n\n ReactHostOperationHistoryHook = {\n onHostOperation: function (operation) {\n history.push(operation);\n },\n clearHistory: function () {\n if (ReactHostOperationHistoryHook._preventClearing) {\n // Should only be used for tests.\n return;\n }\n\n history = [];\n },\n getHistory: function () {\n return history;\n }\n };\n}\n\nvar ReactHostOperationHistoryHook_1 = ReactHostOperationHistoryHook;\n\nvar ReactComponentTreeHook = ReactGlobalSharedState_1.ReactComponentTreeHook;\n\n\n\n{\n var warning$6 = require$$0;\n}\n\n// Trust the developer to only use this with a true check\nvar ReactDebugTool$1 = null;\n\n{\n var hooks = [];\n var didHookThrowForEvent = {};\n\n var callHook = function (event, fn, context, arg1, arg2, arg3, arg4, arg5) {\n try {\n fn.call(context, arg1, arg2, arg3, arg4, arg5);\n } catch (e) {\n warning$6(didHookThrowForEvent[event], 'Exception thrown by hook while handling %s: %s', event, e + '\\n' + e.stack);\n didHookThrowForEvent[event] = true;\n }\n };\n\n var emitEvent = function (event, arg1, arg2, arg3, arg4, arg5) {\n for (var i = 0; i < hooks.length; i++) {\n var hook = hooks[i];\n var fn = hook[event];\n if (fn) {\n callHook(event, fn, hook, arg1, arg2, arg3, arg4, arg5);\n }\n }\n };\n\n var isProfiling = false;\n var flushHistory = [];\n var lifeCycleTimerStack = [];\n var currentFlushNesting = 0;\n var currentFlushMeasurements = [];\n var currentFlushStartTime = 0;\n var currentTimerDebugID = null;\n var currentTimerStartTime = 0;\n var currentTimerNestedFlushDuration = 0;\n var currentTimerType = null;\n\n var lifeCycleTimerHasWarned = false;\n\n var clearHistory = function () {\n ReactComponentTreeHook.purgeUnmountedComponents();\n ReactHostOperationHistoryHook_1.clearHistory();\n };\n\n var getTreeSnapshot = function (registeredIDs) {\n return registeredIDs.reduce(function (tree, id) {\n var ownerID = ReactComponentTreeHook.getOwnerID(id);\n var parentID = ReactComponentTreeHook.getParentID(id);\n tree[id] = {\n displayName: ReactComponentTreeHook.getDisplayName(id),\n text: ReactComponentTreeHook.getText(id),\n updateCount: ReactComponentTreeHook.getUpdateCount(id),\n childIDs: ReactComponentTreeHook.getChildIDs(id),\n // Text nodes don't have owners but this is close enough.\n ownerID: ownerID || parentID && ReactComponentTreeHook.getOwnerID(parentID) || 0,\n parentID: parentID\n };\n return tree;\n }, {});\n };\n\n var resetMeasurements = function () {\n var previousStartTime = currentFlushStartTime;\n var previousMeasurements = currentFlushMeasurements;\n var previousOperations = ReactHostOperationHistoryHook_1.getHistory();\n\n if (currentFlushNesting === 0) {\n currentFlushStartTime = 0;\n currentFlushMeasurements = [];\n clearHistory();\n return;\n }\n\n if (previousMeasurements.length || previousOperations.length) {\n var registeredIDs = ReactComponentTreeHook.getRegisteredIDs();\n flushHistory.push({\n duration: performanceNow() - previousStartTime,\n measurements: previousMeasurements || [],\n operations: previousOperations || [],\n treeSnapshot: getTreeSnapshot(registeredIDs)\n });\n }\n\n clearHistory();\n currentFlushStartTime = performanceNow();\n currentFlushMeasurements = [];\n };\n\n var checkDebugID = function (debugID) {\n var allowRoot = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;\n\n if (allowRoot && debugID === 0) {\n return;\n }\n if (!debugID) {\n warning$6(false, 'ReactDebugTool: debugID may not be empty.');\n }\n };\n\n var beginLifeCycleTimer = function (debugID, timerType) {\n if (currentFlushNesting === 0) {\n return;\n }\n if (currentTimerType && !lifeCycleTimerHasWarned) {\n warning$6(false, 'There is an internal error in the React performance measurement code.' + '\\n\\nDid not expect %s timer to start while %s timer is still in ' + 'progress for %s instance.', timerType, currentTimerType || 'no', debugID === currentTimerDebugID ? 'the same' : 'another');\n lifeCycleTimerHasWarned = true;\n }\n currentTimerStartTime = performanceNow();\n currentTimerNestedFlushDuration = 0;\n currentTimerDebugID = debugID;\n currentTimerType = timerType;\n };\n\n var endLifeCycleTimer = function (debugID, timerType) {\n if (currentFlushNesting === 0) {\n return;\n }\n if (currentTimerType !== timerType && !lifeCycleTimerHasWarned) {\n warning$6(false, 'There is an internal error in the React performance measurement code. ' + 'We did not expect %s timer to stop while %s timer is still in ' + 'progress for %s instance. Please report this as a bug in React.', timerType, currentTimerType || 'no', debugID === currentTimerDebugID ? 'the same' : 'another');\n lifeCycleTimerHasWarned = true;\n }\n if (isProfiling) {\n currentFlushMeasurements.push({\n timerType: timerType,\n instanceID: debugID,\n duration: performanceNow() - currentTimerStartTime - currentTimerNestedFlushDuration\n });\n }\n currentTimerStartTime = 0;\n currentTimerNestedFlushDuration = 0;\n currentTimerDebugID = null;\n currentTimerType = null;\n };\n\n var pauseCurrentLifeCycleTimer = function () {\n var currentTimer = {\n startTime: currentTimerStartTime,\n nestedFlushStartTime: performanceNow(),\n debugID: currentTimerDebugID,\n timerType: currentTimerType\n };\n lifeCycleTimerStack.push(currentTimer);\n currentTimerStartTime = 0;\n currentTimerNestedFlushDuration = 0;\n currentTimerDebugID = null;\n currentTimerType = null;\n };\n\n var resumeCurrentLifeCycleTimer = function () {\n var _lifeCycleTimerStack$ = lifeCycleTimerStack.pop(),\n startTime = _lifeCycleTimerStack$.startTime,\n nestedFlushStartTime = _lifeCycleTimerStack$.nestedFlushStartTime,\n debugID = _lifeCycleTimerStack$.debugID,\n timerType = _lifeCycleTimerStack$.timerType;\n\n var nestedFlushDuration = performanceNow() - nestedFlushStartTime;\n currentTimerStartTime = startTime;\n currentTimerNestedFlushDuration += nestedFlushDuration;\n currentTimerDebugID = debugID;\n currentTimerType = timerType;\n };\n\n var lastMarkTimeStamp = 0;\n var canUsePerformanceMeasure = typeof performance !== 'undefined' && typeof performance.mark === 'function' && typeof performance.clearMarks === 'function' && typeof performance.measure === 'function' && typeof performance.clearMeasures === 'function';\n\n var shouldMark = function (debugID) {\n if (!isProfiling || !canUsePerformanceMeasure) {\n return false;\n }\n var element = ReactComponentTreeHook.getElement(debugID);\n if (element == null || typeof element !== 'object') {\n return false;\n }\n var isHostElement = typeof element.type === 'string';\n if (isHostElement) {\n return false;\n }\n return true;\n };\n\n var markBegin = function (debugID, markType) {\n if (!shouldMark(debugID)) {\n return;\n }\n\n var markName = debugID + '::' + markType;\n lastMarkTimeStamp = performanceNow();\n performance.mark(markName);\n };\n\n var markEnd = function (debugID, markType) {\n if (!shouldMark(debugID)) {\n return;\n }\n\n var markName = debugID + '::' + markType;\n var displayName = ReactComponentTreeHook.getDisplayName(debugID) || 'Unknown';\n\n // Chrome has an issue of dropping markers recorded too fast:\n // https://bugs.chromium.org/p/chromium/issues/detail?id=640652\n // To work around this, we will not report very small measurements.\n // I determined the magic number by tweaking it back and forth.\n // 0.05ms was enough to prevent the issue, but I set it to 0.1ms to be safe.\n // When the bug is fixed, we can `measure()` unconditionally if we want to.\n var timeStamp = performanceNow();\n if (timeStamp - lastMarkTimeStamp > 0.1) {\n var measurementName = displayName + ' [' + markType + ']';\n performance.measure(measurementName, markName);\n }\n\n performance.clearMarks(markName);\n if (measurementName) {\n performance.clearMeasures(measurementName);\n }\n };\n\n ReactDebugTool$1 = {\n addHook: function (hook) {\n hooks.push(hook);\n },\n removeHook: function (hook) {\n for (var i = 0; i < hooks.length; i++) {\n if (hooks[i] === hook) {\n hooks.splice(i, 1);\n i--;\n }\n }\n },\n isProfiling: function () {\n return isProfiling;\n },\n beginProfiling: function () {\n if (isProfiling) {\n return;\n }\n\n isProfiling = true;\n flushHistory.length = 0;\n resetMeasurements();\n ReactDebugTool$1.addHook(ReactHostOperationHistoryHook_1);\n },\n endProfiling: function () {\n if (!isProfiling) {\n return;\n }\n\n isProfiling = false;\n resetMeasurements();\n ReactDebugTool$1.removeHook(ReactHostOperationHistoryHook_1);\n },\n getFlushHistory: function () {\n return flushHistory;\n },\n onBeginFlush: function () {\n currentFlushNesting++;\n resetMeasurements();\n pauseCurrentLifeCycleTimer();\n emitEvent('onBeginFlush');\n },\n onEndFlush: function () {\n resetMeasurements();\n currentFlushNesting--;\n resumeCurrentLifeCycleTimer();\n emitEvent('onEndFlush');\n },\n onBeginLifeCycleTimer: function (debugID, timerType) {\n checkDebugID(debugID);\n emitEvent('onBeginLifeCycleTimer', debugID, timerType);\n markBegin(debugID, timerType);\n beginLifeCycleTimer(debugID, timerType);\n },\n onEndLifeCycleTimer: function (debugID, timerType) {\n checkDebugID(debugID);\n endLifeCycleTimer(debugID, timerType);\n markEnd(debugID, timerType);\n emitEvent('onEndLifeCycleTimer', debugID, timerType);\n },\n onBeginProcessingChildContext: function () {\n emitEvent('onBeginProcessingChildContext');\n },\n onEndProcessingChildContext: function () {\n emitEvent('onEndProcessingChildContext');\n },\n onHostOperation: function (operation) {\n checkDebugID(operation.instanceID);\n emitEvent('onHostOperation', operation);\n },\n onSetState: function () {\n emitEvent('onSetState');\n },\n onSetChildren: function (debugID, childDebugIDs) {\n checkDebugID(debugID);\n childDebugIDs.forEach(checkDebugID);\n emitEvent('onSetChildren', debugID, childDebugIDs);\n },\n onBeforeMountComponent: function (debugID, element, parentDebugID) {\n checkDebugID(debugID);\n checkDebugID(parentDebugID, true);\n emitEvent('onBeforeMountComponent', debugID, element, parentDebugID);\n markBegin(debugID, 'mount');\n },\n onMountComponent: function (debugID) {\n checkDebugID(debugID);\n markEnd(debugID, 'mount');\n emitEvent('onMountComponent', debugID);\n },\n onBeforeUpdateComponent: function (debugID, element) {\n checkDebugID(debugID);\n emitEvent('onBeforeUpdateComponent', debugID, element);\n markBegin(debugID, 'update');\n },\n onUpdateComponent: function (debugID) {\n checkDebugID(debugID);\n markEnd(debugID, 'update');\n emitEvent('onUpdateComponent', debugID);\n },\n onBeforeUnmountComponent: function (debugID) {\n checkDebugID(debugID);\n emitEvent('onBeforeUnmountComponent', debugID);\n markBegin(debugID, 'unmount');\n },\n onUnmountComponent: function (debugID) {\n checkDebugID(debugID);\n markEnd(debugID, 'unmount');\n emitEvent('onUnmountComponent', debugID);\n },\n onTestEvent: function () {\n emitEvent('onTestEvent');\n }\n };\n\n ReactDebugTool$1.addHook(ReactInvalidSetStateWarningHook_1);\n ReactDebugTool$1.addHook(ReactComponentTreeHook);\n var url = ExecutionEnvironment.canUseDOM && window.location.href || '';\n if (/[?&]react_perf\\b/.test(url)) {\n ReactDebugTool$1.beginProfiling();\n }\n}\n\nvar ReactDebugTool_1 = ReactDebugTool$1;\n\n// Trust the developer to only use ReactInstrumentation with a true check\n\nvar debugTool = null;\n\n{\n var ReactDebugTool = ReactDebugTool_1;\n debugTool = ReactDebugTool;\n}\n\nvar ReactInstrumentation = { debugTool: debugTool };\n\n{\n var warning$5 = require$$0;\n}\n\n// isAttributeNameSafe() is currently duplicated in DOMMarkupOperations.\n// TODO: Find a better place for this.\nvar VALID_ATTRIBUTE_NAME_REGEX = new RegExp('^[' + DOMProperty_1.ATTRIBUTE_NAME_START_CHAR + '][' + DOMProperty_1.ATTRIBUTE_NAME_CHAR + ']*$');\nvar illegalAttributeNameCache = {};\nvar validatedAttributeNameCache = {};\nfunction isAttributeNameSafe(attributeName) {\n if (validatedAttributeNameCache.hasOwnProperty(attributeName)) {\n return true;\n }\n if (illegalAttributeNameCache.hasOwnProperty(attributeName)) {\n return false;\n }\n if (VALID_ATTRIBUTE_NAME_REGEX.test(attributeName)) {\n validatedAttributeNameCache[attributeName] = true;\n return true;\n }\n illegalAttributeNameCache[attributeName] = true;\n {\n warning$5(false, 'Invalid attribute name: `%s`', attributeName);\n }\n return false;\n}\n\n// shouldIgnoreValue() is currently duplicated in DOMMarkupOperations.\n// TODO: Find a better place for this.\nfunction shouldIgnoreValue(propertyInfo, value) {\n return value == null || propertyInfo.hasBooleanValue && !value || propertyInfo.hasNumericValue && isNaN(value) || propertyInfo.hasPositiveNumericValue && value < 1 || propertyInfo.hasOverloadedBooleanValue && value === false;\n}\n\n/**\n * Operations for dealing with DOM properties.\n */\nvar DOMPropertyOperations = {\n setAttributeForID: function (node, id) {\n node.setAttribute(DOMProperty_1.ID_ATTRIBUTE_NAME, id);\n },\n\n setAttributeForRoot: function (node) {\n node.setAttribute(DOMProperty_1.ROOT_ATTRIBUTE_NAME, '');\n },\n\n /**\n * Get the value for a property on a node. Only used in DEV for SSR validation.\n * The \"expected\" argument is used as a hint of what the expected value is.\n * Some properties have multiple equivalent values.\n */\n getValueForProperty: function (node, name, expected) {\n {\n var propertyInfo = DOMProperty_1.getPropertyInfo(name);\n if (propertyInfo) {\n var mutationMethod = propertyInfo.mutationMethod;\n if (mutationMethod || propertyInfo.mustUseProperty) {\n return node[propertyInfo.propertyName];\n } else {\n var attributeName = propertyInfo.attributeName;\n\n var stringValue = null;\n\n if (propertyInfo.hasOverloadedBooleanValue) {\n if (node.hasAttribute(attributeName)) {\n var value = node.getAttribute(attributeName);\n if (value === '') {\n return true;\n }\n if (shouldIgnoreValue(propertyInfo, expected)) {\n return value;\n }\n if (value === '' + expected) {\n return expected;\n }\n return value;\n }\n } else if (node.hasAttribute(attributeName)) {\n if (shouldIgnoreValue(propertyInfo, expected)) {\n // We had an attribute but shouldn't have had one, so read it\n // for the error message.\n return node.getAttribute(attributeName);\n }\n if (propertyInfo.hasBooleanValue) {\n // If this was a boolean, it doesn't matter what the value is\n // the fact that we have it is the same as the expected.\n return expected;\n }\n // Even if this property uses a namespace we use getAttribute\n // because we assume its namespaced name is the same as our config.\n // To use getAttributeNS we need the local name which we don't have\n // in our config atm.\n stringValue = node.getAttribute(attributeName);\n }\n\n if (shouldIgnoreValue(propertyInfo, expected)) {\n return stringValue === null ? expected : stringValue;\n } else if (stringValue === '' + expected) {\n return expected;\n } else {\n return stringValue;\n }\n }\n }\n }\n },\n\n /**\n * Get the value for a attribute on a node. Only used in DEV for SSR validation.\n * The third argument is used as a hint of what the expected value is. Some\n * attributes have multiple equivalent values.\n */\n getValueForAttribute: function (node, name, expected) {\n {\n if (!isAttributeNameSafe(name)) {\n return;\n }\n if (!node.hasAttribute(name)) {\n return expected === undefined ? undefined : null;\n }\n var value = node.getAttribute(name);\n if (value === '' + expected) {\n return expected;\n }\n return value;\n }\n },\n\n /**\n * Sets the value for a property on a node.\n *\n * @param {DOMElement} node\n * @param {string} name\n * @param {*} value\n */\n setValueForProperty: function (node, name, value) {\n var propertyInfo = DOMProperty_1.getPropertyInfo(name);\n\n if (propertyInfo && DOMProperty_1.shouldSetAttribute(name, value)) {\n var mutationMethod = propertyInfo.mutationMethod;\n if (mutationMethod) {\n mutationMethod(node, value);\n } else if (shouldIgnoreValue(propertyInfo, value)) {\n DOMPropertyOperations.deleteValueForProperty(node, name);\n return;\n } else if (propertyInfo.mustUseProperty) {\n // Contrary to `setAttribute`, object properties are properly\n // `toString`ed by IE8/9.\n node[propertyInfo.propertyName] = value;\n } else {\n var attributeName = propertyInfo.attributeName;\n var namespace = propertyInfo.attributeNamespace;\n // `setAttribute` with objects becomes only `[object]` in IE8/9,\n // ('' + value) makes it output the correct toString()-value.\n if (namespace) {\n node.setAttributeNS(namespace, attributeName, '' + value);\n } else if (propertyInfo.hasBooleanValue || propertyInfo.hasOverloadedBooleanValue && value === true) {\n node.setAttribute(attributeName, '');\n } else {\n node.setAttribute(attributeName, '' + value);\n }\n }\n } else {\n DOMPropertyOperations.setValueForAttribute(node, name, DOMProperty_1.shouldSetAttribute(name, value) ? value : null);\n return;\n }\n\n {\n var payload = {};\n payload[name] = value;\n ReactInstrumentation.debugTool.onHostOperation({\n instanceID: ReactDOMComponentTree_1.getInstanceFromNode(node)._debugID,\n type: 'update attribute',\n payload: payload\n });\n }\n },\n\n setValueForAttribute: function (node, name, value) {\n if (!isAttributeNameSafe(name)) {\n return;\n }\n if (value == null) {\n node.removeAttribute(name);\n } else {\n node.setAttribute(name, '' + value);\n }\n\n {\n var payload = {};\n payload[name] = value;\n ReactInstrumentation.debugTool.onHostOperation({\n instanceID: ReactDOMComponentTree_1.getInstanceFromNode(node)._debugID,\n type: 'update attribute',\n payload: payload\n });\n }\n },\n\n /**\n * Deletes an attributes from a node.\n *\n * @param {DOMElement} node\n * @param {string} name\n */\n deleteValueForAttribute: function (node, name) {\n node.removeAttribute(name);\n {\n ReactInstrumentation.debugTool.onHostOperation({\n instanceID: ReactDOMComponentTree_1.getInstanceFromNode(node)._debugID,\n type: 'remove attribute',\n payload: name\n });\n }\n },\n\n /**\n * Deletes the value for a property on a node.\n *\n * @param {DOMElement} node\n * @param {string} name\n */\n deleteValueForProperty: function (node, name) {\n var propertyInfo = DOMProperty_1.getPropertyInfo(name);\n if (propertyInfo) {\n var mutationMethod = propertyInfo.mutationMethod;\n if (mutationMethod) {\n mutationMethod(node, undefined);\n } else if (propertyInfo.mustUseProperty) {\n var propName = propertyInfo.propertyName;\n if (propertyInfo.hasBooleanValue) {\n node[propName] = false;\n } else {\n node[propName] = '';\n }\n } else {\n node.removeAttribute(propertyInfo.attributeName);\n }\n } else {\n node.removeAttribute(name);\n }\n\n {\n ReactInstrumentation.debugTool.onHostOperation({\n instanceID: ReactDOMComponentTree_1.getInstanceFromNode(node)._debugID,\n type: 'remove attribute',\n payload: name\n });\n }\n }\n};\n\nvar DOMPropertyOperations_1 = DOMPropertyOperations;\n\nvar ReactControlledValuePropTypes = {\n checkPropTypes: null\n};\n\n{\n var warning$9 = require$$0;\n var emptyFunction$2 = emptyFunction;\n var PropTypes = propTypes;\n var ReactPropTypesSecret = 'SECRET_DO_NOT_PASS_THIS_OR_YOU_WILL_BE_FIRED';\n\n ReactControlledValuePropTypes.checkPropTypes = emptyFunction$2;\n var hasReadOnlyValue = {\n button: true,\n checkbox: true,\n image: true,\n hidden: true,\n radio: true,\n reset: true,\n submit: true\n };\n\n var propTypes$1 = {\n value: function (props, propName, componentName) {\n if (!props[propName] || hasReadOnlyValue[props.type] || props.onChange || props.readOnly || props.disabled) {\n return null;\n }\n return new Error('You provided a `value` prop to a form field without an ' + '`onChange` handler. This will render a read-only field. If ' + 'the field should be mutable use `defaultValue`. Otherwise, ' + 'set either `onChange` or `readOnly`.');\n },\n checked: function (props, propName, componentName) {\n if (!props[propName] || props.onChange || props.readOnly || props.disabled) {\n return null;\n }\n return new Error('You provided a `checked` prop to a form field without an ' + '`onChange` handler. This will render a read-only field. If ' + 'the field should be mutable use `defaultChecked`. Otherwise, ' + 'set either `onChange` or `readOnly`.');\n },\n onChange: PropTypes.func\n };\n\n var loggedTypeFailures = {};\n\n /**\n * Provide a linked `value` attribute for controlled forms. You should not use\n * this outside of the ReactDOM controlled form components.\n */\n ReactControlledValuePropTypes.checkPropTypes = function (tagName, props, getStack) {\n for (var propName in propTypes$1) {\n if (propTypes$1.hasOwnProperty(propName)) {\n var error = propTypes$1[propName](props, propName, tagName, 'prop', null, ReactPropTypesSecret);\n }\n if (error instanceof Error && !(error.message in loggedTypeFailures)) {\n // Only monitor this failure once because there tends to be a lot of the\n // same error.\n loggedTypeFailures[error.message] = true;\n\n warning$9(false, 'Failed form propType: %s%s', error.message, getStack());\n }\n }\n };\n}\n\nvar ReactControlledValuePropTypes_1 = ReactControlledValuePropTypes;\n\nvar getCurrentFiberOwnerName$3 = ReactDebugCurrentFiber_1.getCurrentFiberOwnerName;\n\n{\n var _require2$3 = ReactDebugCurrentFiber_1,\n getCurrentFiberStackAddendum$2 = _require2$3.getCurrentFiberStackAddendum;\n\n var warning$8 = require$$0;\n}\n\n\n\nvar didWarnValueDefaultValue = false;\nvar didWarnCheckedDefaultChecked = false;\nvar didWarnControlledToUncontrolled = false;\nvar didWarnUncontrolledToControlled = false;\n\nfunction isControlled(props) {\n var usesChecked = props.type === 'checkbox' || props.type === 'radio';\n return usesChecked ? props.checked != null : props.value != null;\n}\n\n/**\n * Implements an host component that allows setting these optional\n * props: `checked`, `value`, `defaultChecked`, and `defaultValue`.\n *\n * If `checked` or `value` are not supplied (or null/undefined), user actions\n * that affect the checked state or value will trigger updates to the element.\n *\n * If they are supplied (and not null/undefined), the rendered element will not\n * trigger updates to the element. Instead, the props must change in order for\n * the rendered element to be updated.\n *\n * The rendered element will be initialized as unchecked (or `defaultChecked`)\n * with an empty value (or `defaultValue`).\n *\n * See http://www.w3.org/TR/2012/WD-html5-20121025/the-input-element.html\n */\nvar ReactDOMInput = {\n getHostProps: function (element, props) {\n var node = element;\n var value = props.value;\n var checked = props.checked;\n\n var hostProps = _assign({\n // Make sure we set .type before any other properties (setting .value\n // before .type means .value is lost in IE11 and below)\n type: undefined,\n // Make sure we set .step before .value (setting .value before .step\n // means .value is rounded on mount, based upon step precision)\n step: undefined,\n // Make sure we set .min & .max before .value (to ensure proper order\n // in corner cases such as min or max deriving from value, e.g. Issue #7170)\n min: undefined,\n max: undefined\n }, props, {\n defaultChecked: undefined,\n defaultValue: undefined,\n value: value != null ? value : node._wrapperState.initialValue,\n checked: checked != null ? checked : node._wrapperState.initialChecked\n });\n\n return hostProps;\n },\n\n initWrapperState: function (element, props) {\n {\n ReactControlledValuePropTypes_1.checkPropTypes('input', props, getCurrentFiberStackAddendum$2);\n\n if (props.checked !== undefined && props.defaultChecked !== undefined && !didWarnCheckedDefaultChecked) {\n warning$8(false, '%s contains an input of type %s with both checked and defaultChecked props. ' + 'Input elements must be either controlled or uncontrolled ' + '(specify either the checked prop, or the defaultChecked prop, but not ' + 'both). Decide between using a controlled or uncontrolled input ' + 'element and remove one of these props. More info: ' + 'https://fb.me/react-controlled-components', getCurrentFiberOwnerName$3() || 'A component', props.type);\n didWarnCheckedDefaultChecked = true;\n }\n if (props.value !== undefined && props.defaultValue !== undefined && !didWarnValueDefaultValue) {\n warning$8(false, '%s contains an input of type %s with both value and defaultValue props. ' + 'Input elements must be either controlled or uncontrolled ' + '(specify either the value prop, or the defaultValue prop, but not ' + 'both). Decide between using a controlled or uncontrolled input ' + 'element and remove one of these props. More info: ' + 'https://fb.me/react-controlled-components', getCurrentFiberOwnerName$3() || 'A component', props.type);\n didWarnValueDefaultValue = true;\n }\n }\n\n var defaultValue = props.defaultValue;\n var node = element;\n node._wrapperState = {\n initialChecked: props.checked != null ? props.checked : props.defaultChecked,\n initialValue: props.value != null ? props.value : defaultValue,\n controlled: isControlled(props)\n };\n },\n\n updateWrapper: function (element, props) {\n var node = element;\n {\n var controlled = isControlled(props);\n\n if (!node._wrapperState.controlled && controlled && !didWarnUncontrolledToControlled) {\n warning$8(false, 'A component is changing an uncontrolled input of type %s to be controlled. ' + 'Input elements should not switch from uncontrolled to controlled (or vice versa). ' + 'Decide between using a controlled or uncontrolled input ' + 'element for the lifetime of the component. More info: https://fb.me/react-controlled-components%s', props.type, getCurrentFiberStackAddendum$2());\n didWarnUncontrolledToControlled = true;\n }\n if (node._wrapperState.controlled && !controlled && !didWarnControlledToUncontrolled) {\n warning$8(false, 'A component is changing a controlled input of type %s to be uncontrolled. ' + 'Input elements should not switch from controlled to uncontrolled (or vice versa). ' + 'Decide between using a controlled or uncontrolled input ' + 'element for the lifetime of the component. More info: https://fb.me/react-controlled-components%s', props.type, getCurrentFiberStackAddendum$2());\n didWarnControlledToUncontrolled = true;\n }\n }\n\n var checked = props.checked;\n if (checked != null) {\n DOMPropertyOperations_1.setValueForProperty(node, 'checked', checked || false);\n }\n\n var value = props.value;\n if (value != null) {\n if (value === 0 && node.value === '') {\n node.value = '0';\n // Note: IE9 reports a number inputs as 'text', so check props instead.\n } else if (props.type === 'number') {\n // Simulate `input.valueAsNumber`. IE9 does not support it\n var valueAsNumber = parseFloat(node.value) || 0;\n\n if (\n // eslint-disable-next-line\n value != valueAsNumber ||\n // eslint-disable-next-line\n value == valueAsNumber && node.value != value) {\n // Cast `value` to a string to ensure the value is set correctly. While\n // browsers typically do this as necessary, jsdom doesn't.\n node.value = '' + value;\n }\n } else if (node.value !== '' + value) {\n // Cast `value` to a string to ensure the value is set correctly. While\n // browsers typically do this as necessary, jsdom doesn't.\n node.value = '' + value;\n }\n } else {\n if (props.value == null && props.defaultValue != null) {\n // In Chrome, assigning defaultValue to certain input types triggers input validation.\n // For number inputs, the display value loses trailing decimal points. For email inputs,\n // Chrome raises \"The specified value is not a valid email address\".\n //\n // Here we check to see if the defaultValue has actually changed, avoiding these problems\n // when the user is inputting text\n //\n // https://github.com/facebook/react/issues/7253\n if (node.defaultValue !== '' + props.defaultValue) {\n node.defaultValue = '' + props.defaultValue;\n }\n }\n if (props.checked == null && props.defaultChecked != null) {\n node.defaultChecked = !!props.defaultChecked;\n }\n }\n },\n\n postMountWrapper: function (element, props) {\n var node = element;\n\n // Detach value from defaultValue. We won't do anything if we're working on\n // submit or reset inputs as those values & defaultValues are linked. They\n // are not resetable nodes so this operation doesn't matter and actually\n // removes browser-default values (eg \"Submit Query\") when no value is\n // provided.\n\n switch (props.type) {\n case 'submit':\n case 'reset':\n break;\n case 'color':\n case 'date':\n case 'datetime':\n case 'datetime-local':\n case 'month':\n case 'time':\n case 'week':\n // This fixes the no-show issue on iOS Safari and Android Chrome:\n // https://github.com/facebook/react/issues/7233\n node.value = '';\n node.value = node.defaultValue;\n break;\n default:\n node.value = node.value;\n break;\n }\n\n // Normally, we'd just do `node.checked = node.checked` upon initial mount, less this bug\n // this is needed to work around a chrome bug where setting defaultChecked\n // will sometimes influence the value of checked (even after detachment).\n // Reference: https://bugs.chromium.org/p/chromium/issues/detail?id=608416\n // We need to temporarily unset name to avoid disrupting radio button groups.\n var name = node.name;\n if (name !== '') {\n node.name = '';\n }\n node.defaultChecked = !node.defaultChecked;\n node.defaultChecked = !node.defaultChecked;\n if (name !== '') {\n node.name = name;\n }\n },\n\n restoreControlledState: function (element, props) {\n var node = element;\n ReactDOMInput.updateWrapper(node, props);\n updateNamedCousins(node, props);\n }\n};\n\nfunction updateNamedCousins(rootNode, props) {\n var name = props.name;\n if (props.type === 'radio' && name != null) {\n var queryRoot = rootNode;\n\n while (queryRoot.parentNode) {\n queryRoot = queryRoot.parentNode;\n }\n\n // If `rootNode.form` was non-null, then we could try `form.elements`,\n // but that sometimes behaves strangely in IE8. We could also try using\n // `form.getElementsByName`, but that will only return direct children\n // and won't include inputs that use the HTML5 `form=` attribute. Since\n // the input might not even be in a form. It might not even be in the\n // document. Let's just use the local `querySelectorAll` to ensure we don't\n // miss anything.\n var group = queryRoot.querySelectorAll('input[name=' + JSON.stringify('' + name) + '][type=\"radio\"]');\n\n for (var i = 0; i < group.length; i++) {\n var otherNode = group[i];\n if (otherNode === rootNode || otherNode.form !== rootNode.form) {\n continue;\n }\n // This will throw if radio buttons rendered by different copies of React\n // and the same name are rendered into the same form (same as #1939).\n // That's probably okay; we don't support it just as we don't support\n // mixing React radio buttons with non-React ones.\n var otherProps = ReactDOMComponentTree_1.getFiberCurrentPropsFromNode(otherNode);\n !otherProps ? invariant(false, 'ReactDOMInput: Mixing React and non-React radio inputs with the same `name` is not supported.') : void 0;\n // If this is a controlled radio button group, forcing the input that\n // was previously checked to update will cause it to be come re-checked\n // as appropriate.\n ReactDOMInput.updateWrapper(otherNode, otherProps);\n }\n }\n}\n\nvar ReactDOMFiberInput = ReactDOMInput;\n\n{\n var warning$10 = require$$0;\n}\n\nfunction flattenChildren(children) {\n var content = '';\n\n // Flatten children and warn if they aren't strings or numbers;\n // invalid types are ignored.\n // We can silently skip them because invalid DOM nesting warning\n // catches these cases in Fiber.\n react.Children.forEach(children, function (child) {\n if (child == null) {\n return;\n }\n if (typeof child === 'string' || typeof child === 'number') {\n content += child;\n }\n });\n\n return content;\n}\n\n/**\n * Implements an