0||this.badInput},isEnclosed:function(){return this.filled||this.isSolo||this.outlined},isLabelActive:function(){return this.isDirty||y.includes(this.type)},isSingle:function(){return this.isSolo||this.singleLine||this.fullWidth||this.filled&&!this.hasLabel},isSolo:function(){return this.solo||this.soloInverted},labelPosition:function(){var t=this.prefix&&!this.labelValue?this.prefixWidth:0;return this.labelValue&&this.prependWidth&&(t-=this.prependWidth),this.$vuetify.rtl===this.reverse?{left:t,right:"auto"}:{left:"auto",right:t}},showLabel:function(){return this.hasLabel&&!(this.isSingle&&this.labelValue)},labelValue:function(){return this.isFocused||this.isLabelActive}},watch:{outlined:"setLabelWidth",label:function(){this.$nextTick(this.setLabelWidth)},prefix:function(){this.$nextTick(this.setPrefixWidth)},isFocused:"updateValue",value:function(t){this.lazyValue=t}},created:function(){this.$attrs.hasOwnProperty("box")&&Object(f["breaking"])("box","filled",this),this.$attrs.hasOwnProperty("browser-autocomplete")&&Object(f["breaking"])("browser-autocomplete","autocomplete",this),this.shaped&&!(this.filled||this.outlined||this.isSolo)&&Object(f["consoleWarn"])("shaped should be used with either filled or outlined",this)},mounted:function(){var t=this;this.$watch((function(){return t.labelValue}),this.setLabelWidth),this.autofocus&&this.tryAutofocus(),requestAnimationFrame((function(){return t.isBooted=!0}))},methods:{focus:function(){this.onFocus()},blur:function(t){var e=this;window.requestAnimationFrame((function(){e.$refs.input&&e.$refs.input.blur()}))},clearableCallback:function(){var t=this;this.$refs.input&&this.$refs.input.focus(),this.$nextTick((function(){return t.internalValue=null}))},genAppendSlot:function(){var t=[];return this.$slots["append-outer"]?t.push(this.$slots["append-outer"]):this.appendOuterIcon&&t.push(this.genIcon("appendOuter")),this.genSlot("append","outer",t)},genPrependInnerSlot:function(){var t=[];return this.$slots["prepend-inner"]?t.push(this.$slots["prepend-inner"]):this.prependInnerIcon&&t.push(this.genIcon("prependInner")),this.genSlot("prepend","inner",t)},genIconSlot:function(){var t=[];return this.$slots.append?t.push(this.$slots.append):this.appendIcon&&t.push(this.genIcon("append")),this.genSlot("append","inner",t)},genInputSlot:function(){var t=i["default"].options.methods.genInputSlot.call(this),e=this.genPrependInnerSlot();return e&&(t.children=t.children||[],t.children.unshift(e)),t},genClearIcon:function(){if(!this.clearable)return null;var t=this.isDirty?void 0:{attrs:{disabled:!0}};return this.genSlot("append","inner",[this.genIcon("clear",this.clearableCallback,t)])},genCounter:function(){var t,e,n;if(!this.hasCounter)return null;var i=!0===this.counter?this.attrs$.maxlength:this.counter,s={dark:this.dark,light:this.light,max:i,value:this.computedCounterValue};return null!==(n=null===(e=(t=this.$scopedSlots).counter)||void 0===e?void 0:e.call(t,{props:s}))&&void 0!==n?n:this.$createElement(r["default"],{props:s})},genControl:function(){return i["default"].options.methods.genControl.call(this)},genDefaultSlot:function(){return[this.genFieldset(),this.genTextFieldSlot(),this.genClearIcon(),this.genIconSlot(),this.genProgress()]},genFieldset:function(){return this.outlined?this.$createElement("fieldset",{attrs:{"aria-hidden":!0}},[this.genLegend()]):null},genLabel:function(){if(!this.showLabel)return null;var t={props:{absolute:!0,color:this.validationState,dark:this.dark,disabled:this.isDisabled,focused:!this.isSingle&&(this.isFocused||!!this.validationState),for:this.computedId,left:this.labelPosition.left,light:this.light,right:this.labelPosition.right,value:this.labelValue}};return this.$createElement(s["default"],t,this.$slots.label||this.label)},genLegend:function(){var t=this.singleLine||!this.labelValue&&!this.isDirty?0:this.labelWidth,e=this.$createElement("span",{domProps:{innerHTML:""}});return this.$createElement("legend",{style:{width:this.isSingle?void 0:Object(h["convertToUnit"])(t)}},[e])},genInput:function(){var t=Object.assign({},this.listeners$);return delete t.change,this.$createElement("input",{style:{},domProps:{value:"number"===this.type&&Object.is(this.lazyValue,-0)?"-0":this.lazyValue},attrs:m(m({},this.attrs$),{autofocus:this.autofocus,disabled:this.isDisabled,id:this.computedId,placeholder:this.isFocused||!this.hasLabel?this.placeholder:void 0,readonly:this.isReadonly,type:this.type}),on:Object.assign(t,{blur:this.onBlur,input:this.onInput,focus:this.onFocus,keydown:this.onKeyDown}),ref:"input",directives:[{name:"resize",modifiers:{quiet:!0},value:this.onResize}]})},genMessages:function(){if(!this.showDetails)return null;var t=i["default"].options.methods.genMessages.call(this),e=this.genCounter();return this.$createElement("div",{staticClass:"v-text-field__details"},[t,e])},genTextFieldSlot:function(){return this.$createElement("div",{staticClass:"v-text-field__slot"},[this.genLabel(),this.prefix?this.genAffix("prefix"):null,this.genInput(),this.suffix?this.genAffix("suffix"):null])},genAffix:function(t){return this.$createElement("div",{class:"v-text-field__"+t,ref:t},this[t])},onBlur:function(t){var e=this;this.isFocused=!1,t&&this.$nextTick((function(){return e.$emit("blur",t)}))},onClick:function(){this.isFocused||this.isDisabled||!this.$refs.input||this.$refs.input.focus()},onFocus:function(t){if(this.$refs.input){var e=Object(d["attachedRoot"])(this.$el);if(e)return e.activeElement!==this.$refs.input?this.$refs.input.focus():void(this.isFocused||(this.isFocused=!0,t&&this.$emit("focus",t)))}},onInput:function(t){var e=t.target;this.internalValue=e.value,this.badInput=e.validity&&e.validity.badInput},onKeyDown:function(t){t.keyCode===h["keyCodes"].enter&&this.$emit("change",this.internalValue),this.$emit("keydown",t)},onMouseDown:function(t){t.target!==this.$refs.input&&(t.preventDefault(),t.stopPropagation()),i["default"].options.methods.onMouseDown.call(this,t)},onMouseUp:function(t){this.hasMouseDown&&this.focus(),i["default"].options.methods.onMouseUp.call(this,t)},setLabelWidth:function(){this.outlined&&(this.labelWidth=this.$refs.label?Math.min(.75*this.$refs.label.scrollWidth+6,this.$el.offsetWidth-24):0)},setPrefixWidth:function(){this.$refs.prefix&&(this.prefixWidth=this.$refs.prefix.offsetWidth)},setPrependWidth:function(){this.outlined&&this.$refs["prepend-inner"]&&(this.prependWidth=this.$refs["prepend-inner"].offsetWidth)},tryAutofocus:function(){if(!this.autofocus||"undefined"===typeof document||!this.$refs.input)return!1;var t=Object(d["attachedRoot"])(this.$el);return!(!t||t.activeElement===this.$refs.input)&&(this.$refs.input.focus(),!0)},updateValue:function(t){this.hasColor=t,t?this.initialValue=this.lazyValue:this.initialValue!==this.lazyValue&&this.$emit("change",this.lazyValue)},onResize:function(){this.setLabelWidth(),this.setPrefixWidth(),this.setPrependWidth()}}})},"./src/components/VTextField/index.ts":
+/*!********************************************!*\
+ !*** ./src/components/VTextField/index.ts ***!
+ \********************************************/
+/*! exports provided: VTextField, default */function(t,e,n){"use strict";n.r(e);var i=n(/*! ./VTextField */"./src/components/VTextField/VTextField.ts");n.d(e,"VTextField",(function(){return i["default"]})),e["default"]=i["default"]},"./src/components/VTextarea/VTextarea.sass":
+/*!*************************************************!*\
+ !*** ./src/components/VTextarea/VTextarea.sass ***!
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+/*! no static exports found */function(t,e,n){},"./src/components/VTextarea/VTextarea.ts":
+/*!***********************************************!*\
+ !*** ./src/components/VTextarea/VTextarea.ts ***!
+ \***********************************************/
+/*! exports provided: default */function(t,e,n){"use strict";n.r(e);n(/*! ./VTextarea.sass */"./src/components/VTextarea/VTextarea.sass");var i=n(/*! ../VTextField/VTextField */"./src/components/VTextField/VTextField.ts"),r=n(/*! ../../util/mixins */"./src/util/mixins.ts"),s=function(){return s=Object.assign||function(t){for(var e,n=1,i=arguments.length;n0)&&!(i=s.next()).done)a.push(i.value)}catch(o){r={error:o}}finally{try{i&&!i.done&&(n=s["return"])&&n.call(s)}finally{if(r)throw r.error}}return a},h=Object(o["createRange"])(24),f=Object(o["createRange"])(12),p=f.map((function(t){return t+12})),m=Object(o["createRange"])(60),v={1:"hour",2:"minute",3:"second"};e["default"]=Object(l["default"])(s["default"],a["default"]).extend({name:"v-time-picker",props:{allowedHours:[Function,Array],allowedMinutes:[Function,Array],allowedSeconds:[Function,Array],disabled:Boolean,format:{type:String,default:"ampm",validator:function(t){return["ampm","24hr"].includes(t)}},min:String,max:String,readonly:Boolean,scrollable:Boolean,useSeconds:Boolean,value:null,ampmInTitle:Boolean},data:function(){return{inputHour:null,inputMinute:null,inputSecond:null,lazyInputHour:null,lazyInputMinute:null,lazyInputSecond:null,period:"am",selecting:u["SelectingTimes"].Hour}},computed:{selectingHour:{get:function(){return this.selecting===u["SelectingTimes"].Hour},set:function(t){this.selecting=u["SelectingTimes"].Hour}},selectingMinute:{get:function(){return this.selecting===u["SelectingTimes"].Minute},set:function(t){this.selecting=u["SelectingTimes"].Minute}},selectingSecond:{get:function(){return this.selecting===u["SelectingTimes"].Second},set:function(t){this.selecting=u["SelectingTimes"].Second}},isAllowedHourCb:function(){var t,e=this;if(t=this.allowedHours instanceof Array?function(t){return e.allowedHours.includes(t)}:this.allowedHours,!this.min&&!this.max)return t;var n=this.min?Number(this.min.split(":")[0]):0,i=this.max?Number(this.max.split(":")[0]):23;return function(e){return e>=1*n&&e<=1*i&&(!t||t(e))}},isAllowedMinuteCb:function(){var t,e=this,n=!this.isAllowedHourCb||null===this.inputHour||this.isAllowedHourCb(this.inputHour);if(t=this.allowedMinutes instanceof Array?function(t){return e.allowedMinutes.includes(t)}:this.allowedMinutes,!this.min&&!this.max)return n?t:function(){return!1};var i=d(this.min?this.min.split(":").map(Number):[0,0],2),r=i[0],s=i[1],a=d(this.max?this.max.split(":").map(Number):[23,59],2),o=a[0],c=a[1],l=60*r+1*s,u=60*o+1*c;return function(i){var r=60*e.inputHour+i;return r>=l&&r<=u&&n&&(!t||t(i))}},isAllowedSecondCb:function(){var t,e=this,n=!this.isAllowedHourCb||null===this.inputHour||this.isAllowedHourCb(this.inputHour),i=n&&(!this.isAllowedMinuteCb||null===this.inputMinute||this.isAllowedMinuteCb(this.inputMinute));if(t=this.allowedSeconds instanceof Array?function(t){return e.allowedSeconds.includes(t)}:this.allowedSeconds,!this.min&&!this.max)return i?t:function(){return!1};var r=d(this.min?this.min.split(":").map(Number):[0,0,0],3),s=r[0],a=r[1],o=r[2],c=d(this.max?this.max.split(":").map(Number):[23,59,59],3),l=c[0],u=c[1],h=c[2],f=3600*s+60*a+1*(o||0),p=3600*l+60*u+1*(h||0);return function(n){var r=3600*e.inputHour+60*e.inputMinute+n;return r>=f&&r<=p&&i&&(!t||t(n))}},isAmPm:function(){return"ampm"===this.format}},watch:{value:"setInputData"},mounted:function(){this.setInputData(this.value),this.$on("update:period",this.setPeriod)},methods:{genValue:function(){return null==this.inputHour||null==this.inputMinute||this.useSeconds&&null==this.inputSecond?null:Object(c["default"])(this.inputHour)+":"+Object(c["default"])(this.inputMinute)+(this.useSeconds?":"+Object(c["default"])(this.inputSecond):"")},emitValue:function(){var t=this.genValue();null!==t&&this.$emit("input",t)},setPeriod:function(t){if(this.period=t,null!=this.inputHour){var e=this.inputHour+("am"===t?-12:12);this.inputHour=this.firstAllowed("hour",e),this.emitValue()}},setInputData:function(t){if(null==t||""===t)this.inputHour=null,this.inputMinute=null,this.inputSecond=null;else if(t instanceof Date)this.inputHour=t.getHours(),this.inputMinute=t.getMinutes(),this.inputSecond=t.getSeconds();else{var e=d(t.trim().toLowerCase().match(/^(\d+):(\d+)(:(\d+))?([ap]m)?$/)||new Array(6),6),n=e[1],i=e[2],r=e[4],s=e[5];this.inputHour=s?this.convert12to24(parseInt(n,10),s):parseInt(n,10),this.inputMinute=parseInt(i,10),this.inputSecond=parseInt(r||0,10)}this.period=null==this.inputHour||this.inputHour<12?"am":"pm"},convert24to12:function(t){return t?(t-1)%12+1:12},convert12to24:function(t,e){return t%12+("pm"===e?12:0)},onInput:function(t){this.selecting===u["SelectingTimes"].Hour?this.inputHour=this.isAmPm?this.convert12to24(t,this.period):t:this.selecting===u["SelectingTimes"].Minute?this.inputMinute=t:this.inputSecond=t,this.emitValue()},onChange:function(t){this.$emit("click:"+v[this.selecting],t);var e=this.selecting===(this.useSeconds?u["SelectingTimes"].Second:u["SelectingTimes"].Minute);if(this.selecting===u["SelectingTimes"].Hour?this.selecting=u["SelectingTimes"].Minute:this.useSeconds&&this.selecting===u["SelectingTimes"].Minute&&(this.selecting=u["SelectingTimes"].Second),this.inputHour!==this.lazyInputHour||this.inputMinute!==this.lazyInputMinute||this.useSeconds&&this.inputSecond!==this.lazyInputSecond){var n=this.genValue();null!==n&&(this.lazyInputHour=this.inputHour,this.lazyInputMinute=this.inputMinute,this.useSeconds&&(this.lazyInputSecond=this.inputSecond),e&&this.$emit("change",n))}},firstAllowed:function(t,e){var n="hour"===t?this.isAllowedHourCb:"minute"===t?this.isAllowedMinuteCb:this.isAllowedSecondCb;if(!n)return e;var i="minute"===t||"second"===t?m:this.isAmPm?e<12?f:p:h,r=i.find((function(t){return n((t+e)%i.length+i[0])}));return((r||0)+e)%i.length+i[0]},genClock:function(){return this.$createElement(r["default"],{props:{allowedValues:this.selecting===u["SelectingTimes"].Hour?this.isAllowedHourCb:this.selecting===u["SelectingTimes"].Minute?this.isAllowedMinuteCb:this.isAllowedSecondCb,color:this.color,dark:this.dark,disabled:this.disabled,double:this.selecting===u["SelectingTimes"].Hour&&!this.isAmPm,format:this.selecting===u["SelectingTimes"].Hour?this.isAmPm?this.convert24to12:function(t){return t}:function(t){return Object(c["default"])(t,2)},light:this.light,max:this.selecting===u["SelectingTimes"].Hour?this.isAmPm&&"am"===this.period?11:23:59,min:this.selecting===u["SelectingTimes"].Hour&&this.isAmPm&&"pm"===this.period?12:0,readonly:this.readonly,scrollable:this.scrollable,size:Number(this.width)-(!this.fullWidth&&this.landscape?80:20),step:this.selecting===u["SelectingTimes"].Hour?1:5,value:this.selecting===u["SelectingTimes"].Hour?this.inputHour:this.selecting===u["SelectingTimes"].Minute?this.inputMinute:this.inputSecond},on:{input:this.onInput,change:this.onChange},ref:"clock"})},genClockAmPm:function(){return this.$createElement("div",this.setTextColor(this.color||"primary",{staticClass:"v-time-picker-clock__ampm"}),[this.genPickerButton("period","am",this.$vuetify.lang.t("$vuetify.timePicker.am"),this.disabled||this.readonly),this.genPickerButton("period","pm",this.$vuetify.lang.t("$vuetify.timePicker.pm"),this.disabled||this.readonly)])},genPickerBody:function(){return this.$createElement("div",{staticClass:"v-time-picker-clock__container",key:this.selecting},[!this.ampmInTitle&&this.isAmPm&&this.genClockAmPm(),this.genClock()])},genPickerTitle:function(){var t=this;return this.$createElement(i["default"],{props:{ampm:this.isAmPm,ampmReadonly:this.isAmPm&&!this.ampmInTitle,disabled:this.disabled,hour:this.inputHour,minute:this.inputMinute,second:this.inputSecond,period:this.period,readonly:this.readonly,useSeconds:this.useSeconds,selecting:this.selecting},on:{"update:selecting":function(e){return t.selecting=e},"update:period":function(e){return t.$emit("update:period",e)}},ref:"title",slot:"title"})}},render:function(){return this.genPicker("v-picker--time")}})},"./src/components/VTimePicker/VTimePickerClock.sass":
+/*!**********************************************************!*\
+ !*** ./src/components/VTimePicker/VTimePickerClock.sass ***!
+ \**********************************************************/
+/*! no static exports found */function(t,e,n){},"./src/components/VTimePicker/VTimePickerClock.ts":
+/*!********************************************************!*\
+ !*** ./src/components/VTimePicker/VTimePickerClock.ts ***!
+ \********************************************************/
+/*! exports provided: default */function(t,e,n){"use strict";n.r(e);n(/*! ./VTimePickerClock.sass */"./src/components/VTimePicker/VTimePickerClock.sass");var i=n(/*! ../../mixins/colorable */"./src/mixins/colorable/index.ts"),r=n(/*! ../../mixins/themeable */"./src/mixins/themeable/index.ts"),s=n(/*! ../../util/mixins */"./src/util/mixins.ts"),a=function(){return a=Object.assign||function(t){for(var e,n=1,i=arguments.length;n=this.roundCount},handScale:function(t){return this.isInner(t)?this.innerRadiusScale:1},isAllowed:function(t){return!this.allowedValues||this.allowedValues(t)},genValues:function(){for(var t=[],e=this.min;e<=this.max;e+=this.step){var n=e===this.value&&(this.color||"accent");t.push(this.$createElement("span",this.setBackgroundColor(n,{staticClass:"v-time-picker-clock__item",class:{"v-time-picker-clock__item--active":e===this.displayedValue,"v-time-picker-clock__item--disabled":this.disabled||!this.isAllowed(e)},style:this.getTransform(e),domProps:{innerHTML:""+this.format(e)+""}})))}return t},genHand:function(){var t="scaleY("+this.handScale(this.displayedValue)+")",e=this.rotate+this.degreesPerUnit*(this.displayedValue-this.min),n=null!=this.value&&(this.color||"accent");return this.$createElement("div",this.setBackgroundColor(n,{staticClass:"v-time-picker-clock__hand",class:{"v-time-picker-clock__hand--inner":this.isInner(this.value)},style:{transform:"rotate("+e+"deg) "+t}}))},getTransform:function(t){var e=this.getPosition(t),n=e.x,i=e.y;return{left:50+50*n+"%",top:50+50*i+"%"}},getPosition:function(t){var e=this.rotate*Math.PI/180;return{x:Math.sin((t-this.min)*this.degrees+e)*this.handScale(t),y:-Math.cos((t-this.min)*this.degrees+e)*this.handScale(t)}},onMouseDown:function(t){t.preventDefault(),this.valueOnMouseDown=null,this.valueOnMouseUp=null,this.isDragging=!0,this.onDragMove(t)},onMouseUp:function(t){t.stopPropagation(),this.isDragging=!1,null!==this.valueOnMouseUp&&this.isAllowed(this.valueOnMouseUp)&&this.$emit("change",this.valueOnMouseUp)},onDragMove:function(t){if(t.preventDefault(),this.isDragging||"click"===t.type)for(var e,n=this.$refs.clock.getBoundingClientRect(),i=n.width,r=n.top,s=n.left,a=this.$refs.innerClock.getBoundingClientRect().width,o=("touches"in t?t.touches[0]:t),c=o.clientX,l=o.clientY,u={x:i/2,y:-i/2},d={x:c-s,y:r-l},h=Math.round(this.angle(u,d)-this.rotate+360)%360,f=this.double&&this.euclidean(u,d)<(a+a*this.innerRadiusScale)/4,p=Math.ceil(15/this.degreesPerUnit),m=0;m0)&&!(i=s.next()).done)a.push(i.value)}catch(o){r={error:o}}finally{try{i&&!i.done&&(n=s["return"])&&n.call(s)}finally{if(r)throw r.error}}return a};e["default"]=i["default"].extend({name:"v-toolbar",props:{absolute:Boolean,bottom:Boolean,collapse:Boolean,dense:Boolean,extended:Boolean,extensionHeight:{default:48,type:[Number,String]},flat:Boolean,floating:Boolean,prominent:Boolean,short:Boolean,src:{type:[String,Object],default:""},tag:{type:String,default:"header"}},data:function(){return{isExtended:!1}},computed:{computedHeight:function(){var t=this.computedContentHeight;if(!this.isExtended)return t;var e=parseInt(this.extensionHeight);return this.isCollapsed?t:t+(isNaN(e)?0:e)},computedContentHeight:function(){return this.height?parseInt(this.height):this.isProminent&&this.dense?96:this.isProminent&&this.short?112:this.isProminent?128:this.dense?48:this.short||this.$vuetify.breakpoint.smAndDown?56:64},classes:function(){return o(o({},i["default"].options.computed.classes.call(this)),{"v-toolbar":!0,"v-toolbar--absolute":this.absolute,"v-toolbar--bottom":this.bottom,"v-toolbar--collapse":this.collapse,"v-toolbar--collapsed":this.isCollapsed,"v-toolbar--dense":this.dense,"v-toolbar--extended":this.isExtended,"v-toolbar--flat":this.flat,"v-toolbar--floating":this.floating,"v-toolbar--prominent":this.isProminent})},isCollapsed:function(){return this.collapse},isProminent:function(){return this.prominent},styles:function(){return o(o({},this.measurableStyles),{height:Object(s["convertToUnit"])(this.computedHeight)})}},created:function(){var t=this,e=[["app",""],["manual-scroll",''],["clipped-left",""],["clipped-right",""],["inverted-scroll",""],["scroll-off-screen",""],["scroll-target",""],["scroll-threshold",""],["card",""]];e.forEach((function(e){var n=c(e,2),i=n[0],r=n[1];t.$attrs.hasOwnProperty(i)&&Object(a["breaking"])(i,r,t)}))},methods:{genBackground:function(){var t={height:Object(s["convertToUnit"])(this.computedHeight),src:this.src},e=this.$scopedSlots.img?this.$scopedSlots.img({props:t}):this.$createElement(r["default"],{props:t});return this.$createElement("div",{staticClass:"v-toolbar__image"},[e])},genContent:function(){return this.$createElement("div",{staticClass:"v-toolbar__content",style:{height:Object(s["convertToUnit"])(this.computedContentHeight)}},Object(s["getSlot"])(this))},genExtension:function(){return this.$createElement("div",{staticClass:"v-toolbar__extension",style:{height:Object(s["convertToUnit"])(this.extensionHeight)}},Object(s["getSlot"])(this,"extension"))}},render:function(t){this.isExtended=this.extended||!!this.$scopedSlots.extension;var e=[this.genContent()],n=this.setBackgroundColor(this.color,{class:this.classes,style:this.styles,on:this.$listeners});return this.isExtended&&e.push(this.genExtension()),(this.src||this.$scopedSlots.img)&&e.unshift(this.genBackground()),t(this.tag,n,e)}})},"./src/components/VToolbar/index.ts":
+/*!******************************************!*\
+ !*** ./src/components/VToolbar/index.ts ***!
+ \******************************************/
+/*! exports provided: VToolbar, VToolbarItems, VToolbarTitle, default */function(t,e,n){"use strict";n.r(e),n.d(e,"VToolbarItems",(function(){return a})),n.d(e,"VToolbarTitle",(function(){return s}));var i=n(/*! ./VToolbar */"./src/components/VToolbar/VToolbar.ts");n.d(e,"VToolbar",(function(){return i["default"]}));var r=n(/*! ../../util/helpers */"./src/util/helpers.ts"),s=Object(r["createSimpleFunctional"])("v-toolbar__title"),a=Object(r["createSimpleFunctional"])("v-toolbar__items");e["default"]={$_vuetify_subcomponents:{VToolbar:i["default"],VToolbarItems:a,VToolbarTitle:s}}},"./src/components/VTooltip/VTooltip.sass":
+/*!***********************************************!*\
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+/*! no static exports found */function(t,e,n){},"./src/components/VTooltip/VTooltip.ts":
+/*!*********************************************!*\
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ToInteger(index).\n// If integer < 0, let result be max((length + integer), 0); else let result be min(integer, length).\nmodule.exports = function (index, length) {\n var integer = toInteger(index);\n return integer < 0 ? max(integer + length, 0) : min(integer, length);\n};\n","var global = require('../internals/global');\nvar getOwnPropertyDescriptor = require('../internals/object-get-own-property-descriptor').f;\nvar createNonEnumerableProperty = require('../internals/create-non-enumerable-property');\nvar redefine = require('../internals/redefine');\nvar setGlobal = require('../internals/set-global');\nvar copyConstructorProperties = require('../internals/copy-constructor-properties');\nvar isForced = require('../internals/is-forced');\n\n/*\n options.target - name of the target object\n options.global - target is the global object\n options.stat - export as static methods of target\n options.proto - export as prototype methods of target\n options.real - real prototype method for the `pure` version\n options.forced - export even if the native feature is available\n options.bind - bind methods to the target, required for the `pure` version\n options.wrap - wrap constructors to preventing global pollution, required for the `pure` version\n options.unsafe - use the simple assignment of property instead of delete + defineProperty\n options.sham - add a flag to not completely full polyfills\n options.enumerable - export as enumerable property\n options.noTargetGet - prevent calling a getter on target\n*/\nmodule.exports = function (options, source) {\n var TARGET = options.target;\n var GLOBAL = options.global;\n var STATIC = options.stat;\n var FORCED, target, key, targetProperty, sourceProperty, descriptor;\n if (GLOBAL) {\n target = global;\n } else if (STATIC) {\n target = global[TARGET] || setGlobal(TARGET, {});\n } else {\n target = (global[TARGET] || {}).prototype;\n }\n if (target) for (key in source) {\n sourceProperty = source[key];\n if (options.noTargetGet) {\n descriptor = getOwnPropertyDescriptor(target, key);\n targetProperty = descriptor && descriptor.value;\n } else targetProperty = target[key];\n FORCED = isForced(GLOBAL ? key : TARGET + (STATIC ? '.' : '#') + key, options.forced);\n // contained in target\n if (!FORCED && targetProperty !== undefined) {\n if (typeof sourceProperty === typeof targetProperty) continue;\n copyConstructorProperties(sourceProperty, targetProperty);\n }\n // add a flag to not completely full polyfills\n if (options.sham || (targetProperty && targetProperty.sham)) {\n createNonEnumerableProperty(sourceProperty, 'sham', true);\n }\n // extend global\n redefine(target, key, sourceProperty, options);\n }\n};\n","var internalObjectKeys = require('../internals/object-keys-internal');\nvar enumBugKeys = require('../internals/enum-bug-keys');\n\nvar hiddenKeys = enumBugKeys.concat('length', 'prototype');\n\n// `Object.getOwnPropertyNames` method\n// https://tc39.es/ecma262/#sec-object.getownpropertynames\n// eslint-disable-next-line es/no-object-getownpropertynames -- safe\nexports.f = Object.getOwnPropertyNames || function getOwnPropertyNames(O) {\n return internalObjectKeys(O, hiddenKeys);\n};\n","'use strict';\n\nvar utils = require('./utils');\nvar normalizeHeaderName = require('./helpers/normalizeHeaderName');\n\nvar DEFAULT_CONTENT_TYPE = {\n 'Content-Type': 'application/x-www-form-urlencoded'\n};\n\nfunction setContentTypeIfUnset(headers, value) {\n if (!utils.isUndefined(headers) && utils.isUndefined(headers['Content-Type'])) {\n headers['Content-Type'] = value;\n }\n}\n\nfunction getDefaultAdapter() {\n var adapter;\n if (typeof XMLHttpRequest !== 'undefined') {\n // For browsers use XHR adapter\n adapter = require('./adapters/xhr');\n } else if (typeof process !== 'undefined' && Object.prototype.toString.call(process) === '[object process]') {\n // For node use HTTP adapter\n adapter = require('./adapters/http');\n }\n return adapter;\n}\n\nvar defaults = {\n adapter: getDefaultAdapter(),\n\n transformRequest: [function transformRequest(data, headers) {\n normalizeHeaderName(headers, 'Accept');\n normalizeHeaderName(headers, 'Content-Type');\n if (utils.isFormData(data) ||\n utils.isArrayBuffer(data) ||\n utils.isBuffer(data) ||\n utils.isStream(data) ||\n utils.isFile(data) ||\n utils.isBlob(data)\n ) {\n return data;\n }\n if (utils.isArrayBufferView(data)) {\n return data.buffer;\n }\n if (utils.isURLSearchParams(data)) {\n setContentTypeIfUnset(headers, 'application/x-www-form-urlencoded;charset=utf-8');\n return data.toString();\n }\n if (utils.isObject(data)) {\n setContentTypeIfUnset(headers, 'application/json;charset=utf-8');\n return JSON.stringify(data);\n }\n return data;\n }],\n\n transformResponse: [function transformResponse(data) {\n /*eslint no-param-reassign:0*/\n if (typeof data === 'string') {\n try {\n data = JSON.parse(data);\n } catch (e) { /* Ignore */ }\n }\n return data;\n }],\n\n /**\n * A timeout in milliseconds to abort a request. If set to 0 (default) a\n * timeout is not created.\n */\n timeout: 0,\n\n xsrfCookieName: 'XSRF-TOKEN',\n xsrfHeaderName: 'X-XSRF-TOKEN',\n\n maxContentLength: -1,\n maxBodyLength: -1,\n\n validateStatus: function validateStatus(status) {\n return status >= 200 && status < 300;\n }\n};\n\ndefaults.headers = {\n common: {\n 'Accept': 'application/json, text/plain, */*'\n }\n};\n\nutils.forEach(['delete', 'get', 'head'], function forEachMethodNoData(method) {\n defaults.headers[method] = {};\n});\n\nutils.forEach(['post', 'put', 'patch'], function forEachMethodWithData(method) {\n defaults.headers[method] = utils.merge(DEFAULT_CONTENT_TYPE);\n});\n\nmodule.exports = defaults;\n","'use strict';\nvar redefine = require('../internals/redefine');\nvar anObject = require('../internals/an-object');\nvar fails = require('../internals/fails');\nvar flags = require('../internals/regexp-flags');\n\nvar TO_STRING = 'toString';\nvar RegExpPrototype = RegExp.prototype;\nvar nativeToString = RegExpPrototype[TO_STRING];\n\nvar NOT_GENERIC = fails(function () { return nativeToString.call({ source: 'a', flags: 'b' }) != '/a/b'; });\n// FF44- RegExp#toString has a wrong name\nvar INCORRECT_NAME = nativeToString.name != TO_STRING;\n\n// `RegExp.prototype.toString` method\n// https://tc39.es/ecma262/#sec-regexp.prototype.tostring\nif (NOT_GENERIC || INCORRECT_NAME) {\n redefine(RegExp.prototype, TO_STRING, function toString() {\n var R = anObject(this);\n var p = String(R.source);\n var rf = R.flags;\n var f = String(rf === undefined && R instanceof RegExp && !('flags' in RegExpPrototype) ? flags.call(R) : rf);\n return '/' + p + '/' + f;\n }, { unsafe: true });\n}\n","'use strict';\nvar getBuiltIn = require('../internals/get-built-in');\nvar definePropertyModule = require('../internals/object-define-property');\nvar wellKnownSymbol = require('../internals/well-known-symbol');\nvar DESCRIPTORS = require('../internals/descriptors');\n\nvar SPECIES = wellKnownSymbol('species');\n\nmodule.exports = function (CONSTRUCTOR_NAME) {\n var Constructor = getBuiltIn(CONSTRUCTOR_NAME);\n var defineProperty = definePropertyModule.f;\n\n if (DESCRIPTORS && Constructor && !Constructor[SPECIES]) {\n defineProperty(Constructor, SPECIES, {\n configurable: true,\n get: function () { return this; }\n });\n }\n};\n","/* globals __VUE_SSR_CONTEXT__ */\n\n// IMPORTANT: Do NOT use ES2015 features in this file (except for modules).\n// This module is a runtime utility for cleaner component module output and will\n// be included in the final webpack user bundle.\n\nexport default function normalizeComponent (\n scriptExports,\n render,\n staticRenderFns,\n functionalTemplate,\n injectStyles,\n scopeId,\n moduleIdentifier, /* server only */\n shadowMode /* vue-cli only */\n) {\n // Vue.extend constructor export interop\n var options = typeof scriptExports === 'function'\n ? scriptExports.options\n : scriptExports\n\n // render functions\n if (render) {\n options.render = render\n options.staticRenderFns = staticRenderFns\n options._compiled = true\n }\n\n // functional template\n if (functionalTemplate) {\n options.functional = true\n }\n\n // scopedId\n if (scopeId) {\n options._scopeId = 'data-v-' + scopeId\n }\n\n var hook\n if (moduleIdentifier) { // server build\n hook = function (context) {\n // 2.3 injection\n context =\n context || // cached call\n (this.$vnode && this.$vnode.ssrContext) || // stateful\n (this.parent && this.parent.$vnode && this.parent.$vnode.ssrContext) // functional\n // 2.2 with runInNewContext: true\n if (!context && typeof __VUE_SSR_CONTEXT__ !== 'undefined') {\n context = __VUE_SSR_CONTEXT__\n }\n // inject component styles\n if (injectStyles) {\n injectStyles.call(this, context)\n }\n // register component module identifier for async chunk inferrence\n if (context && context._registeredComponents) {\n context._registeredComponents.add(moduleIdentifier)\n }\n }\n // used by ssr in case component is cached and beforeCreate\n // never gets called\n options._ssrRegister = hook\n } else if (injectStyles) {\n hook = shadowMode\n ? function () {\n injectStyles.call(\n this,\n (options.functional ? this.parent : this).$root.$options.shadowRoot\n )\n }\n : injectStyles\n }\n\n if (hook) {\n if (options.functional) {\n // for template-only hot-reload because in that case the render fn doesn't\n // go through the normalizer\n options._injectStyles = hook\n // register for functional component in vue file\n var originalRender = options.render\n options.render = function renderWithStyleInjection (h, context) {\n hook.call(context)\n return originalRender(h, context)\n }\n } else {\n // inject component registration as beforeCreate hook\n var existing = options.beforeCreate\n options.beforeCreate = existing\n ? [].concat(existing, hook)\n : [hook]\n }\n }\n\n return {\n exports: scriptExports,\n options: options\n }\n}\n","var anObject = require('../internals/an-object');\n\nmodule.exports = function (iterator) {\n var returnMethod = iterator['return'];\n if (returnMethod !== undefined) {\n return anObject(returnMethod.call(iterator)).value;\n }\n};\n","/*!\n * Vue.js v2.6.12\n * (c) 2014-2020 Evan You\n * Released under the MIT License.\n */\n/* */\n\nvar emptyObject = Object.freeze({});\n\n// These helpers produce better VM code in JS engines due to their\n// explicitness and function inlining.\nfunction isUndef (v) {\n return v === undefined || v === null\n}\n\nfunction isDef (v) {\n return v !== undefined && v !== null\n}\n\nfunction isTrue (v) {\n return v === true\n}\n\nfunction isFalse (v) {\n return v === false\n}\n\n/**\n * Check if value is primitive.\n */\nfunction isPrimitive (value) {\n return (\n typeof value === 'string' ||\n typeof value === 'number' ||\n // $flow-disable-line\n typeof value === 'symbol' ||\n typeof value === 'boolean'\n )\n}\n\n/**\n * Quick object check - this is primarily used to tell\n * Objects from primitive values when we know the value\n * is a JSON-compliant type.\n */\nfunction isObject (obj) {\n return obj !== null && typeof obj === 'object'\n}\n\n/**\n * Get the raw type string of a value, e.g., [object Object].\n */\nvar _toString = Object.prototype.toString;\n\nfunction toRawType (value) {\n return _toString.call(value).slice(8, -1)\n}\n\n/**\n * Strict object type check. Only returns true\n * for plain JavaScript objects.\n */\nfunction isPlainObject (obj) {\n return _toString.call(obj) === '[object Object]'\n}\n\nfunction isRegExp (v) {\n return _toString.call(v) === '[object RegExp]'\n}\n\n/**\n * Check if val is a valid array index.\n */\nfunction isValidArrayIndex (val) {\n var n = parseFloat(String(val));\n return n >= 0 && Math.floor(n) === n && isFinite(val)\n}\n\nfunction isPromise (val) {\n return (\n isDef(val) &&\n typeof val.then === 'function' &&\n typeof val.catch === 'function'\n )\n}\n\n/**\n * Convert a value to a string that is actually rendered.\n */\nfunction toString (val) {\n return val == null\n ? ''\n : Array.isArray(val) || (isPlainObject(val) && val.toString === _toString)\n ? JSON.stringify(val, null, 2)\n : String(val)\n}\n\n/**\n * Convert an input value to a number for persistence.\n * If the conversion fails, return original string.\n */\nfunction toNumber (val) {\n var n = parseFloat(val);\n return isNaN(n) ? val : n\n}\n\n/**\n * Make a map and return a function for checking if a key\n * is in that map.\n */\nfunction makeMap (\n str,\n expectsLowerCase\n) {\n var map = Object.create(null);\n var list = str.split(',');\n for (var i = 0; i < list.length; i++) {\n map[list[i]] = true;\n }\n return expectsLowerCase\n ? function (val) { return map[val.toLowerCase()]; }\n : function (val) { return map[val]; }\n}\n\n/**\n * Check if a tag is a built-in tag.\n */\nvar isBuiltInTag = makeMap('slot,component', true);\n\n/**\n * Check if an attribute is a reserved attribute.\n */\nvar isReservedAttribute = makeMap('key,ref,slot,slot-scope,is');\n\n/**\n * Remove an item from an array.\n */\nfunction remove (arr, item) {\n if (arr.length) {\n var index = arr.indexOf(item);\n if (index > -1) {\n return arr.splice(index, 1)\n }\n }\n}\n\n/**\n * Check whether an object has the property.\n */\nvar hasOwnProperty = Object.prototype.hasOwnProperty;\nfunction hasOwn (obj, key) {\n return hasOwnProperty.call(obj, key)\n}\n\n/**\n * Create a cached version of a pure function.\n */\nfunction cached (fn) {\n var cache = Object.create(null);\n return (function cachedFn (str) {\n var hit = cache[str];\n return hit || (cache[str] = fn(str))\n })\n}\n\n/**\n * Camelize a hyphen-delimited string.\n */\nvar camelizeRE = /-(\\w)/g;\nvar camelize = cached(function (str) {\n return str.replace(camelizeRE, function (_, c) { return c ? c.toUpperCase() : ''; })\n});\n\n/**\n * Capitalize a string.\n */\nvar capitalize = cached(function (str) {\n return str.charAt(0).toUpperCase() + str.slice(1)\n});\n\n/**\n * Hyphenate a camelCase string.\n */\nvar hyphenateRE = /\\B([A-Z])/g;\nvar hyphenate = cached(function (str) {\n return str.replace(hyphenateRE, '-$1').toLowerCase()\n});\n\n/**\n * Simple bind polyfill for environments that do not support it,\n * e.g., PhantomJS 1.x. Technically, we don't need this anymore\n * since native bind is now performant enough in most browsers.\n * But removing it would mean breaking code that was able to run in\n * PhantomJS 1.x, so this must be kept for backward compatibility.\n */\n\n/* istanbul ignore next */\nfunction polyfillBind (fn, ctx) {\n function boundFn (a) {\n var l = arguments.length;\n return l\n ? l > 1\n ? fn.apply(ctx, arguments)\n : fn.call(ctx, a)\n : fn.call(ctx)\n }\n\n boundFn._length = fn.length;\n return boundFn\n}\n\nfunction nativeBind (fn, ctx) {\n return fn.bind(ctx)\n}\n\nvar bind = Function.prototype.bind\n ? nativeBind\n : polyfillBind;\n\n/**\n * Convert an Array-like object to a real Array.\n */\nfunction toArray (list, start) {\n start = start || 0;\n var i = list.length - start;\n var ret = new Array(i);\n while (i--) {\n ret[i] = list[i + start];\n }\n return ret\n}\n\n/**\n * Mix properties into target object.\n */\nfunction extend (to, _from) {\n for (var key in _from) {\n to[key] = _from[key];\n }\n return to\n}\n\n/**\n * Merge an Array of Objects into a single Object.\n */\nfunction toObject (arr) {\n var res = {};\n for (var i = 0; i < arr.length; i++) {\n if (arr[i]) {\n extend(res, arr[i]);\n }\n }\n return res\n}\n\n/* eslint-disable no-unused-vars */\n\n/**\n * Perform no operation.\n * Stubbing args to make Flow happy without leaving useless transpiled code\n * with ...rest (https://flow.org/blog/2017/05/07/Strict-Function-Call-Arity/).\n */\nfunction noop (a, b, c) {}\n\n/**\n * Always return false.\n */\nvar no = function (a, b, c) { return false; };\n\n/* eslint-enable no-unused-vars */\n\n/**\n * Return the same value.\n */\nvar identity = function (_) { return _; };\n\n/**\n * Check if two values are loosely equal - that is,\n * if they are plain objects, do they have the same shape?\n */\nfunction looseEqual (a, b) {\n if (a === b) { return true }\n var isObjectA = isObject(a);\n var isObjectB = isObject(b);\n if (isObjectA && isObjectB) {\n try {\n var isArrayA = Array.isArray(a);\n var isArrayB = Array.isArray(b);\n if (isArrayA && isArrayB) {\n return a.length === b.length && a.every(function (e, i) {\n return looseEqual(e, b[i])\n })\n } else if (a instanceof Date && b instanceof Date) {\n return a.getTime() === b.getTime()\n } else if (!isArrayA && !isArrayB) {\n var keysA = Object.keys(a);\n var keysB = Object.keys(b);\n return keysA.length === keysB.length && keysA.every(function (key) {\n return looseEqual(a[key], b[key])\n })\n } else {\n /* istanbul ignore next */\n return false\n }\n } catch (e) {\n /* istanbul ignore next */\n return false\n }\n } else if (!isObjectA && !isObjectB) {\n return String(a) === String(b)\n } else {\n return false\n }\n}\n\n/**\n * Return the first index at which a loosely equal value can be\n * found in the array (if value is a plain object, the array must\n * contain an object of the same shape), or -1 if it is not present.\n */\nfunction looseIndexOf (arr, val) {\n for (var i = 0; i < arr.length; i++) {\n if (looseEqual(arr[i], val)) { return i }\n }\n return -1\n}\n\n/**\n * Ensure a function is called only once.\n */\nfunction once (fn) {\n var called = false;\n return function () {\n if (!called) {\n called = true;\n fn.apply(this, arguments);\n }\n }\n}\n\nvar SSR_ATTR = 'data-server-rendered';\n\nvar ASSET_TYPES = [\n 'component',\n 'directive',\n 'filter'\n];\n\nvar LIFECYCLE_HOOKS = [\n 'beforeCreate',\n 'created',\n 'beforeMount',\n 'mounted',\n 'beforeUpdate',\n 'updated',\n 'beforeDestroy',\n 'destroyed',\n 'activated',\n 'deactivated',\n 'errorCaptured',\n 'serverPrefetch'\n];\n\n/* */\n\n\n\nvar config = ({\n /**\n * Option merge strategies (used in core/util/options)\n */\n // $flow-disable-line\n optionMergeStrategies: Object.create(null),\n\n /**\n * Whether to suppress warnings.\n */\n silent: false,\n\n /**\n * Show production mode tip message on boot?\n */\n productionTip: process.env.NODE_ENV !== 'production',\n\n /**\n * Whether to enable devtools\n */\n devtools: process.env.NODE_ENV !== 'production',\n\n /**\n * Whether to record perf\n */\n performance: false,\n\n /**\n * Error handler for watcher errors\n */\n errorHandler: null,\n\n /**\n * Warn handler for watcher warns\n */\n warnHandler: null,\n\n /**\n * Ignore certain custom elements\n */\n ignoredElements: [],\n\n /**\n * Custom user key aliases for v-on\n */\n // $flow-disable-line\n keyCodes: Object.create(null),\n\n /**\n * Check if a tag is reserved so that it cannot be registered as a\n * component. This is platform-dependent and may be overwritten.\n */\n isReservedTag: no,\n\n /**\n * Check if an attribute is reserved so that it cannot be used as a component\n * prop. This is platform-dependent and may be overwritten.\n */\n isReservedAttr: no,\n\n /**\n * Check if a tag is an unknown element.\n * Platform-dependent.\n */\n isUnknownElement: no,\n\n /**\n * Get the namespace of an element\n */\n getTagNamespace: noop,\n\n /**\n * Parse the real tag name for the specific platform.\n */\n parsePlatformTagName: identity,\n\n /**\n * Check if an attribute must be bound using property, e.g. value\n * Platform-dependent.\n */\n mustUseProp: no,\n\n /**\n * Perform updates asynchronously. Intended to be used by Vue Test Utils\n * This will significantly reduce performance if set to false.\n */\n async: true,\n\n /**\n * Exposed for legacy reasons\n */\n _lifecycleHooks: LIFECYCLE_HOOKS\n});\n\n/* */\n\n/**\n * unicode letters used for parsing html tags, component names and property paths.\n * using https://www.w3.org/TR/html53/semantics-scripting.html#potentialcustomelementname\n * skipping \\u10000-\\uEFFFF due to it freezing up PhantomJS\n */\nvar unicodeRegExp = /a-zA-Z\\u00B7\\u00C0-\\u00D6\\u00D8-\\u00F6\\u00F8-\\u037D\\u037F-\\u1FFF\\u200C-\\u200D\\u203F-\\u2040\\u2070-\\u218F\\u2C00-\\u2FEF\\u3001-\\uD7FF\\uF900-\\uFDCF\\uFDF0-\\uFFFD/;\n\n/**\n * Check if a string starts with $ or _\n */\nfunction isReserved (str) {\n var c = (str + '').charCodeAt(0);\n return c === 0x24 || c === 0x5F\n}\n\n/**\n * Define a property.\n */\nfunction def (obj, key, val, enumerable) {\n Object.defineProperty(obj, key, {\n value: val,\n enumerable: !!enumerable,\n writable: true,\n configurable: true\n });\n}\n\n/**\n * Parse simple path.\n */\nvar bailRE = new RegExp((\"[^\" + (unicodeRegExp.source) + \".$_\\\\d]\"));\nfunction parsePath (path) {\n if (bailRE.test(path)) {\n return\n }\n var segments = path.split('.');\n return function (obj) {\n for (var i = 0; i < segments.length; i++) {\n if (!obj) { return }\n obj = obj[segments[i]];\n }\n return obj\n }\n}\n\n/* */\n\n// can we use __proto__?\nvar hasProto = '__proto__' in {};\n\n// Browser environment sniffing\nvar inBrowser = typeof window !== 'undefined';\nvar inWeex = typeof WXEnvironment !== 'undefined' && !!WXEnvironment.platform;\nvar weexPlatform = inWeex && WXEnvironment.platform.toLowerCase();\nvar UA = inBrowser && window.navigator.userAgent.toLowerCase();\nvar isIE = UA && /msie|trident/.test(UA);\nvar isIE9 = UA && UA.indexOf('msie 9.0') > 0;\nvar isEdge = UA && UA.indexOf('edge/') > 0;\nvar isAndroid = (UA && UA.indexOf('android') > 0) || (weexPlatform === 'android');\nvar isIOS = (UA && /iphone|ipad|ipod|ios/.test(UA)) || (weexPlatform === 'ios');\nvar isChrome = UA && /chrome\\/\\d+/.test(UA) && !isEdge;\nvar isPhantomJS = UA && /phantomjs/.test(UA);\nvar isFF = UA && UA.match(/firefox\\/(\\d+)/);\n\n// Firefox has a \"watch\" function on Object.prototype...\nvar nativeWatch = ({}).watch;\n\nvar supportsPassive = false;\nif (inBrowser) {\n try {\n var opts = {};\n Object.defineProperty(opts, 'passive', ({\n get: function get () {\n /* istanbul ignore next */\n supportsPassive = true;\n }\n })); // https://github.com/facebook/flow/issues/285\n window.addEventListener('test-passive', null, opts);\n } catch (e) {}\n}\n\n// this needs to be lazy-evaled because vue may be required before\n// vue-server-renderer can set VUE_ENV\nvar _isServer;\nvar isServerRendering = function () {\n if (_isServer === undefined) {\n /* istanbul ignore if */\n if (!inBrowser && !inWeex && typeof global !== 'undefined') {\n // detect presence of vue-server-renderer and avoid\n // Webpack shimming the process\n _isServer = global['process'] && global['process'].env.VUE_ENV === 'server';\n } else {\n _isServer = false;\n }\n }\n return _isServer\n};\n\n// detect devtools\nvar devtools = inBrowser && window.__VUE_DEVTOOLS_GLOBAL_HOOK__;\n\n/* istanbul ignore next */\nfunction isNative (Ctor) {\n return typeof Ctor === 'function' && /native code/.test(Ctor.toString())\n}\n\nvar hasSymbol =\n typeof Symbol !== 'undefined' && isNative(Symbol) &&\n typeof Reflect !== 'undefined' && isNative(Reflect.ownKeys);\n\nvar _Set;\n/* istanbul ignore if */ // $flow-disable-line\nif (typeof Set !== 'undefined' && isNative(Set)) {\n // use native Set when available.\n _Set = Set;\n} else {\n // a non-standard Set polyfill that only works with primitive keys.\n _Set = /*@__PURE__*/(function () {\n function Set () {\n this.set = Object.create(null);\n }\n Set.prototype.has = function has (key) {\n return this.set[key] === true\n };\n Set.prototype.add = function add (key) {\n this.set[key] = true;\n };\n Set.prototype.clear = function clear () {\n this.set = Object.create(null);\n };\n\n return Set;\n }());\n}\n\n/* */\n\nvar warn = noop;\nvar tip = noop;\nvar generateComponentTrace = (noop); // work around flow check\nvar formatComponentName = (noop);\n\nif (process.env.NODE_ENV !== 'production') {\n var hasConsole = typeof console !== 'undefined';\n var classifyRE = /(?:^|[-_])(\\w)/g;\n var classify = function (str) { return str\n .replace(classifyRE, function (c) { return c.toUpperCase(); })\n .replace(/[-_]/g, ''); };\n\n warn = function (msg, vm) {\n var trace = vm ? generateComponentTrace(vm) : '';\n\n if (config.warnHandler) {\n config.warnHandler.call(null, msg, vm, trace);\n } else if (hasConsole && (!config.silent)) {\n console.error((\"[Vue warn]: \" + msg + trace));\n }\n };\n\n tip = function (msg, vm) {\n if (hasConsole && (!config.silent)) {\n console.warn(\"[Vue tip]: \" + msg + (\n vm ? generateComponentTrace(vm) : ''\n ));\n }\n };\n\n formatComponentName = function (vm, includeFile) {\n if (vm.$root === vm) {\n return ''\n }\n var options = typeof vm === 'function' && vm.cid != null\n ? vm.options\n : vm._isVue\n ? vm.$options || vm.constructor.options\n : vm;\n var name = options.name || options._componentTag;\n var file = options.__file;\n if (!name && file) {\n var match = file.match(/([^/\\\\]+)\\.vue$/);\n name = match && match[1];\n }\n\n return (\n (name ? (\"<\" + (classify(name)) + \">\") : \"\") +\n (file && includeFile !== false ? (\" at \" + file) : '')\n )\n };\n\n var repeat = function (str, n) {\n var res = '';\n while (n) {\n if (n % 2 === 1) { res += str; }\n if (n > 1) { str += str; }\n n >>= 1;\n }\n return res\n };\n\n generateComponentTrace = function (vm) {\n if (vm._isVue && vm.$parent) {\n var tree = [];\n var currentRecursiveSequence = 0;\n while (vm) {\n if (tree.length > 0) {\n var last = tree[tree.length - 1];\n if (last.constructor === vm.constructor) {\n currentRecursiveSequence++;\n vm = vm.$parent;\n continue\n } else if (currentRecursiveSequence > 0) {\n tree[tree.length - 1] = [last, currentRecursiveSequence];\n currentRecursiveSequence = 0;\n }\n }\n tree.push(vm);\n vm = vm.$parent;\n }\n return '\\n\\nfound in\\n\\n' + tree\n .map(function (vm, i) { return (\"\" + (i === 0 ? '---> ' : repeat(' ', 5 + i * 2)) + (Array.isArray(vm)\n ? ((formatComponentName(vm[0])) + \"... (\" + (vm[1]) + \" recursive calls)\")\n : formatComponentName(vm))); })\n .join('\\n')\n } else {\n return (\"\\n\\n(found in \" + (formatComponentName(vm)) + \")\")\n }\n };\n}\n\n/* */\n\nvar uid = 0;\n\n/**\n * A dep is an observable that can have multiple\n * directives subscribing to it.\n */\nvar Dep = function Dep () {\n this.id = uid++;\n this.subs = [];\n};\n\nDep.prototype.addSub = function addSub (sub) {\n this.subs.push(sub);\n};\n\nDep.prototype.removeSub = function removeSub (sub) {\n remove(this.subs, sub);\n};\n\nDep.prototype.depend = function depend () {\n if (Dep.target) {\n Dep.target.addDep(this);\n }\n};\n\nDep.prototype.notify = function notify () {\n // stabilize the subscriber list first\n var subs = this.subs.slice();\n if (process.env.NODE_ENV !== 'production' && !config.async) {\n // subs aren't sorted in scheduler if not running async\n // we need to sort them now to make sure they fire in correct\n // order\n subs.sort(function (a, b) { return a.id - b.id; });\n }\n for (var i = 0, l = subs.length; i < l; i++) {\n subs[i].update();\n }\n};\n\n// The current target watcher being evaluated.\n// This is globally unique because only one watcher\n// can be evaluated at a time.\nDep.target = null;\nvar targetStack = [];\n\nfunction pushTarget (target) {\n targetStack.push(target);\n Dep.target = target;\n}\n\nfunction popTarget () {\n targetStack.pop();\n Dep.target = targetStack[targetStack.length - 1];\n}\n\n/* */\n\nvar VNode = function VNode (\n tag,\n data,\n children,\n text,\n elm,\n context,\n componentOptions,\n asyncFactory\n) {\n this.tag = tag;\n this.data = data;\n this.children = children;\n this.text = text;\n this.elm = elm;\n this.ns = undefined;\n this.context = context;\n this.fnContext = undefined;\n this.fnOptions = undefined;\n this.fnScopeId = undefined;\n this.key = data && data.key;\n this.componentOptions = componentOptions;\n this.componentInstance = undefined;\n this.parent = undefined;\n this.raw = false;\n this.isStatic = false;\n this.isRootInsert = true;\n this.isComment = false;\n this.isCloned = false;\n this.isOnce = false;\n this.asyncFactory = asyncFactory;\n this.asyncMeta = undefined;\n this.isAsyncPlaceholder = false;\n};\n\nvar prototypeAccessors = { child: { configurable: true } };\n\n// DEPRECATED: alias for componentInstance for backwards compat.\n/* istanbul ignore next */\nprototypeAccessors.child.get = function () {\n return this.componentInstance\n};\n\nObject.defineProperties( VNode.prototype, prototypeAccessors );\n\nvar createEmptyVNode = function (text) {\n if ( text === void 0 ) text = '';\n\n var node = new VNode();\n node.text = text;\n node.isComment = true;\n return node\n};\n\nfunction createTextVNode (val) {\n return new VNode(undefined, undefined, undefined, String(val))\n}\n\n// optimized shallow clone\n// used for static nodes and slot nodes because they may be reused across\n// multiple renders, cloning them avoids errors when DOM manipulations rely\n// on their elm reference.\nfunction cloneVNode (vnode) {\n var cloned = new VNode(\n vnode.tag,\n vnode.data,\n // #7975\n // clone children array to avoid mutating original in case of cloning\n // a child.\n vnode.children && vnode.children.slice(),\n vnode.text,\n vnode.elm,\n vnode.context,\n vnode.componentOptions,\n vnode.asyncFactory\n );\n cloned.ns = vnode.ns;\n cloned.isStatic = vnode.isStatic;\n cloned.key = vnode.key;\n cloned.isComment = vnode.isComment;\n cloned.fnContext = vnode.fnContext;\n cloned.fnOptions = vnode.fnOptions;\n cloned.fnScopeId = vnode.fnScopeId;\n cloned.asyncMeta = vnode.asyncMeta;\n cloned.isCloned = true;\n return cloned\n}\n\n/*\n * not type checking this file because flow doesn't play well with\n * dynamically accessing methods on Array prototype\n */\n\nvar arrayProto = Array.prototype;\nvar arrayMethods = Object.create(arrayProto);\n\nvar methodsToPatch = [\n 'push',\n 'pop',\n 'shift',\n 'unshift',\n 'splice',\n 'sort',\n 'reverse'\n];\n\n/**\n * Intercept mutating methods and emit events\n */\nmethodsToPatch.forEach(function (method) {\n // cache original method\n var original = arrayProto[method];\n def(arrayMethods, method, function mutator () {\n var args = [], len = arguments.length;\n while ( len-- ) args[ len ] = arguments[ len ];\n\n var result = original.apply(this, args);\n var ob = this.__ob__;\n var inserted;\n switch (method) {\n case 'push':\n case 'unshift':\n inserted = args;\n break\n case 'splice':\n inserted = args.slice(2);\n break\n }\n if (inserted) { ob.observeArray(inserted); }\n // notify change\n ob.dep.notify();\n return result\n });\n});\n\n/* */\n\nvar arrayKeys = Object.getOwnPropertyNames(arrayMethods);\n\n/**\n * In some cases we may want to disable observation inside a component's\n * update computation.\n */\nvar shouldObserve = true;\n\nfunction toggleObserving (value) {\n shouldObserve = value;\n}\n\n/**\n * Observer class that is attached to each observed\n * object. Once attached, the observer converts the target\n * object's property keys into getter/setters that\n * collect dependencies and dispatch updates.\n */\nvar Observer = function Observer (value) {\n this.value = value;\n this.dep = new Dep();\n this.vmCount = 0;\n def(value, '__ob__', this);\n if (Array.isArray(value)) {\n if (hasProto) {\n protoAugment(value, arrayMethods);\n } else {\n copyAugment(value, arrayMethods, arrayKeys);\n }\n this.observeArray(value);\n } else {\n this.walk(value);\n }\n};\n\n/**\n * Walk through all properties and convert them into\n * getter/setters. This method should only be called when\n * value type is Object.\n */\nObserver.prototype.walk = function walk (obj) {\n var keys = Object.keys(obj);\n for (var i = 0; i < keys.length; i++) {\n defineReactive$$1(obj, keys[i]);\n }\n};\n\n/**\n * Observe a list of Array items.\n */\nObserver.prototype.observeArray = function observeArray (items) {\n for (var i = 0, l = items.length; i < l; i++) {\n observe(items[i]);\n }\n};\n\n// helpers\n\n/**\n * Augment a target Object or Array by intercepting\n * the prototype chain using __proto__\n */\nfunction protoAugment (target, src) {\n /* eslint-disable no-proto */\n target.__proto__ = src;\n /* eslint-enable no-proto */\n}\n\n/**\n * Augment a target Object or Array by defining\n * hidden properties.\n */\n/* istanbul ignore next */\nfunction copyAugment (target, src, keys) {\n for (var i = 0, l = keys.length; i < l; i++) {\n var key = keys[i];\n def(target, key, src[key]);\n }\n}\n\n/**\n * Attempt to create an observer instance for a value,\n * returns the new observer if successfully observed,\n * or the existing observer if the value already has one.\n */\nfunction observe (value, asRootData) {\n if (!isObject(value) || value instanceof VNode) {\n return\n }\n var ob;\n if (hasOwn(value, '__ob__') && value.__ob__ instanceof Observer) {\n ob = value.__ob__;\n } else if (\n shouldObserve &&\n !isServerRendering() &&\n (Array.isArray(value) || isPlainObject(value)) &&\n Object.isExtensible(value) &&\n !value._isVue\n ) {\n ob = new Observer(value);\n }\n if (asRootData && ob) {\n ob.vmCount++;\n }\n return ob\n}\n\n/**\n * Define a reactive property on an Object.\n */\nfunction defineReactive$$1 (\n obj,\n key,\n val,\n customSetter,\n shallow\n) {\n var dep = new Dep();\n\n var property = Object.getOwnPropertyDescriptor(obj, key);\n if (property && property.configurable === false) {\n return\n }\n\n // cater for pre-defined getter/setters\n var getter = property && property.get;\n var setter = property && property.set;\n if ((!getter || setter) && arguments.length === 2) {\n val = obj[key];\n }\n\n var childOb = !shallow && observe(val);\n Object.defineProperty(obj, key, {\n enumerable: true,\n configurable: true,\n get: function reactiveGetter () {\n var value = getter ? getter.call(obj) : val;\n if (Dep.target) {\n dep.depend();\n if (childOb) {\n childOb.dep.depend();\n if (Array.isArray(value)) {\n dependArray(value);\n }\n }\n }\n return value\n },\n set: function reactiveSetter (newVal) {\n var value = getter ? getter.call(obj) : val;\n /* eslint-disable no-self-compare */\n if (newVal === value || (newVal !== newVal && value !== value)) {\n return\n }\n /* eslint-enable no-self-compare */\n if (process.env.NODE_ENV !== 'production' && customSetter) {\n customSetter();\n }\n // #7981: for accessor properties without setter\n if (getter && !setter) { return }\n if (setter) {\n setter.call(obj, newVal);\n } else {\n val = newVal;\n }\n childOb = !shallow && observe(newVal);\n dep.notify();\n }\n });\n}\n\n/**\n * Set a property on an object. Adds the new property and\n * triggers change notification if the property doesn't\n * already exist.\n */\nfunction set (target, key, val) {\n if (process.env.NODE_ENV !== 'production' &&\n (isUndef(target) || isPrimitive(target))\n ) {\n warn((\"Cannot set reactive property on undefined, null, or primitive value: \" + ((target))));\n }\n if (Array.isArray(target) && isValidArrayIndex(key)) {\n target.length = Math.max(target.length, key);\n target.splice(key, 1, val);\n return val\n }\n if (key in target && !(key in Object.prototype)) {\n target[key] = val;\n return val\n }\n var ob = (target).__ob__;\n if (target._isVue || (ob && ob.vmCount)) {\n process.env.NODE_ENV !== 'production' && warn(\n 'Avoid adding reactive properties to a Vue instance or its root $data ' +\n 'at runtime - declare it upfront in the data option.'\n );\n return val\n }\n if (!ob) {\n target[key] = val;\n return val\n }\n defineReactive$$1(ob.value, key, val);\n ob.dep.notify();\n return val\n}\n\n/**\n * Delete a property and trigger change if necessary.\n */\nfunction del (target, key) {\n if (process.env.NODE_ENV !== 'production' &&\n (isUndef(target) || isPrimitive(target))\n ) {\n warn((\"Cannot delete reactive property on undefined, null, or primitive value: \" + ((target))));\n }\n if (Array.isArray(target) && isValidArrayIndex(key)) {\n target.splice(key, 1);\n return\n }\n var ob = (target).__ob__;\n if (target._isVue || (ob && ob.vmCount)) {\n process.env.NODE_ENV !== 'production' && warn(\n 'Avoid deleting properties on a Vue instance or its root $data ' +\n '- just set it to null.'\n );\n return\n }\n if (!hasOwn(target, key)) {\n return\n }\n delete target[key];\n if (!ob) {\n return\n }\n ob.dep.notify();\n}\n\n/**\n * Collect dependencies on array elements when the array is touched, since\n * we cannot intercept array element access like property getters.\n */\nfunction dependArray (value) {\n for (var e = (void 0), i = 0, l = value.length; i < l; i++) {\n e = value[i];\n e && e.__ob__ && e.__ob__.dep.depend();\n if (Array.isArray(e)) {\n dependArray(e);\n }\n }\n}\n\n/* */\n\n/**\n * Option overwriting strategies are functions that handle\n * how to merge a parent option value and a child option\n * value into the final value.\n */\nvar strats = config.optionMergeStrategies;\n\n/**\n * Options with restrictions\n */\nif (process.env.NODE_ENV !== 'production') {\n strats.el = strats.propsData = function (parent, child, vm, key) {\n if (!vm) {\n warn(\n \"option \\\"\" + key + \"\\\" can only be used during instance \" +\n 'creation with the `new` keyword.'\n );\n }\n return defaultStrat(parent, child)\n };\n}\n\n/**\n * Helper that recursively merges two data objects together.\n */\nfunction mergeData (to, from) {\n if (!from) { return to }\n var key, toVal, fromVal;\n\n var keys = hasSymbol\n ? Reflect.ownKeys(from)\n : Object.keys(from);\n\n for (var i = 0; i < keys.length; i++) {\n key = keys[i];\n // in case the object is already observed...\n if (key === '__ob__') { continue }\n toVal = to[key];\n fromVal = from[key];\n if (!hasOwn(to, key)) {\n set(to, key, fromVal);\n } else if (\n toVal !== fromVal &&\n isPlainObject(toVal) &&\n isPlainObject(fromVal)\n ) {\n mergeData(toVal, fromVal);\n }\n }\n return to\n}\n\n/**\n * Data\n */\nfunction mergeDataOrFn (\n parentVal,\n childVal,\n vm\n) {\n if (!vm) {\n // in a Vue.extend merge, both should be functions\n if (!childVal) {\n return parentVal\n }\n if (!parentVal) {\n return childVal\n }\n // when parentVal & childVal are both present,\n // we need to return a function that returns the\n // merged result of both functions... no need to\n // check if parentVal is a function here because\n // it has to be a function to pass previous merges.\n return function mergedDataFn () {\n return mergeData(\n typeof childVal === 'function' ? childVal.call(this, this) : childVal,\n typeof parentVal === 'function' ? parentVal.call(this, this) : parentVal\n )\n }\n } else {\n return function mergedInstanceDataFn () {\n // instance merge\n var instanceData = typeof childVal === 'function'\n ? childVal.call(vm, vm)\n : childVal;\n var defaultData = typeof parentVal === 'function'\n ? parentVal.call(vm, vm)\n : parentVal;\n if (instanceData) {\n return mergeData(instanceData, defaultData)\n } else {\n return defaultData\n }\n }\n }\n}\n\nstrats.data = function (\n parentVal,\n childVal,\n vm\n) {\n if (!vm) {\n if (childVal && typeof childVal !== 'function') {\n process.env.NODE_ENV !== 'production' && warn(\n 'The \"data\" option should be a function ' +\n 'that returns a per-instance value in component ' +\n 'definitions.',\n vm\n );\n\n return parentVal\n }\n return mergeDataOrFn(parentVal, childVal)\n }\n\n return mergeDataOrFn(parentVal, childVal, vm)\n};\n\n/**\n * Hooks and props are merged as arrays.\n */\nfunction mergeHook (\n parentVal,\n childVal\n) {\n var res = childVal\n ? parentVal\n ? parentVal.concat(childVal)\n : Array.isArray(childVal)\n ? childVal\n : [childVal]\n : parentVal;\n return res\n ? dedupeHooks(res)\n : res\n}\n\nfunction dedupeHooks (hooks) {\n var res = [];\n for (var i = 0; i < hooks.length; i++) {\n if (res.indexOf(hooks[i]) === -1) {\n res.push(hooks[i]);\n }\n }\n return res\n}\n\nLIFECYCLE_HOOKS.forEach(function (hook) {\n strats[hook] = mergeHook;\n});\n\n/**\n * Assets\n *\n * When a vm is present (instance creation), we need to do\n * a three-way merge between constructor options, instance\n * options and parent options.\n */\nfunction mergeAssets (\n parentVal,\n childVal,\n vm,\n key\n) {\n var res = Object.create(parentVal || null);\n if (childVal) {\n process.env.NODE_ENV !== 'production' && assertObjectType(key, childVal, vm);\n return extend(res, childVal)\n } else {\n return res\n }\n}\n\nASSET_TYPES.forEach(function (type) {\n strats[type + 's'] = mergeAssets;\n});\n\n/**\n * Watchers.\n *\n * Watchers hashes should not overwrite one\n * another, so we merge them as arrays.\n */\nstrats.watch = function (\n parentVal,\n childVal,\n vm,\n key\n) {\n // work around Firefox's Object.prototype.watch...\n if (parentVal === nativeWatch) { parentVal = undefined; }\n if (childVal === nativeWatch) { childVal = undefined; }\n /* istanbul ignore if */\n if (!childVal) { return Object.create(parentVal || null) }\n if (process.env.NODE_ENV !== 'production') {\n assertObjectType(key, childVal, vm);\n }\n if (!parentVal) { return childVal }\n var ret = {};\n extend(ret, parentVal);\n for (var key$1 in childVal) {\n var parent = ret[key$1];\n var child = childVal[key$1];\n if (parent && !Array.isArray(parent)) {\n parent = [parent];\n }\n ret[key$1] = parent\n ? parent.concat(child)\n : Array.isArray(child) ? child : [child];\n }\n return ret\n};\n\n/**\n * Other object hashes.\n */\nstrats.props =\nstrats.methods =\nstrats.inject =\nstrats.computed = function (\n parentVal,\n childVal,\n vm,\n key\n) {\n if (childVal && process.env.NODE_ENV !== 'production') {\n assertObjectType(key, childVal, vm);\n }\n if (!parentVal) { return childVal }\n var ret = Object.create(null);\n extend(ret, parentVal);\n if (childVal) { extend(ret, childVal); }\n return ret\n};\nstrats.provide = mergeDataOrFn;\n\n/**\n * Default strategy.\n */\nvar defaultStrat = function (parentVal, childVal) {\n return childVal === undefined\n ? parentVal\n : childVal\n};\n\n/**\n * Validate component names\n */\nfunction checkComponents (options) {\n for (var key in options.components) {\n validateComponentName(key);\n }\n}\n\nfunction validateComponentName (name) {\n if (!new RegExp((\"^[a-zA-Z][\\\\-\\\\.0-9_\" + (unicodeRegExp.source) + \"]*$\")).test(name)) {\n warn(\n 'Invalid component name: \"' + name + '\". Component names ' +\n 'should conform to valid custom element name in html5 specification.'\n );\n }\n if (isBuiltInTag(name) || config.isReservedTag(name)) {\n warn(\n 'Do not use built-in or reserved HTML elements as component ' +\n 'id: ' + name\n );\n }\n}\n\n/**\n * Ensure all props option syntax are normalized into the\n * Object-based format.\n */\nfunction normalizeProps (options, vm) {\n var props = options.props;\n if (!props) { return }\n var res = {};\n var i, val, name;\n if (Array.isArray(props)) {\n i = props.length;\n while (i--) {\n val = props[i];\n if (typeof val === 'string') {\n name = camelize(val);\n res[name] = { type: null };\n } else if (process.env.NODE_ENV !== 'production') {\n warn('props must be strings when using array syntax.');\n }\n }\n } else if (isPlainObject(props)) {\n for (var key in props) {\n val = props[key];\n name = camelize(key);\n res[name] = isPlainObject(val)\n ? val\n : { type: val };\n }\n } else if (process.env.NODE_ENV !== 'production') {\n warn(\n \"Invalid value for option \\\"props\\\": expected an Array or an Object, \" +\n \"but got \" + (toRawType(props)) + \".\",\n vm\n );\n }\n options.props = res;\n}\n\n/**\n * Normalize all injections into Object-based format\n */\nfunction normalizeInject (options, vm) {\n var inject = options.inject;\n if (!inject) { return }\n var normalized = options.inject = {};\n if (Array.isArray(inject)) {\n for (var i = 0; i < inject.length; i++) {\n normalized[inject[i]] = { from: inject[i] };\n }\n } else if (isPlainObject(inject)) {\n for (var key in inject) {\n var val = inject[key];\n normalized[key] = isPlainObject(val)\n ? extend({ from: key }, val)\n : { from: val };\n }\n } else if (process.env.NODE_ENV !== 'production') {\n warn(\n \"Invalid value for option \\\"inject\\\": expected an Array or an Object, \" +\n \"but got \" + (toRawType(inject)) + \".\",\n vm\n );\n }\n}\n\n/**\n * Normalize raw function directives into object format.\n */\nfunction normalizeDirectives (options) {\n var dirs = options.directives;\n if (dirs) {\n for (var key in dirs) {\n var def$$1 = dirs[key];\n if (typeof def$$1 === 'function') {\n dirs[key] = { bind: def$$1, update: def$$1 };\n }\n }\n }\n}\n\nfunction assertObjectType (name, value, vm) {\n if (!isPlainObject(value)) {\n warn(\n \"Invalid value for option \\\"\" + name + \"\\\": expected an Object, \" +\n \"but got \" + (toRawType(value)) + \".\",\n vm\n );\n }\n}\n\n/**\n * Merge two option objects into a new one.\n * Core utility used in both instantiation and inheritance.\n */\nfunction mergeOptions (\n parent,\n child,\n vm\n) {\n if (process.env.NODE_ENV !== 'production') {\n checkComponents(child);\n }\n\n if (typeof child === 'function') {\n child = child.options;\n }\n\n normalizeProps(child, vm);\n normalizeInject(child, vm);\n normalizeDirectives(child);\n\n // Apply extends and mixins on the child options,\n // but only if it is a raw options object that isn't\n // the result of another mergeOptions call.\n // Only merged options has the _base property.\n if (!child._base) {\n if (child.extends) {\n parent = mergeOptions(parent, child.extends, vm);\n }\n if (child.mixins) {\n for (var i = 0, l = child.mixins.length; i < l; i++) {\n parent = mergeOptions(parent, child.mixins[i], vm);\n }\n }\n }\n\n var options = {};\n var key;\n for (key in parent) {\n mergeField(key);\n }\n for (key in child) {\n if (!hasOwn(parent, key)) {\n mergeField(key);\n }\n }\n function mergeField (key) {\n var strat = strats[key] || defaultStrat;\n options[key] = strat(parent[key], child[key], vm, key);\n }\n return options\n}\n\n/**\n * Resolve an asset.\n * This function is used because child instances need access\n * to assets defined in its ancestor chain.\n */\nfunction resolveAsset (\n options,\n type,\n id,\n warnMissing\n) {\n /* istanbul ignore if */\n if (typeof id !== 'string') {\n return\n }\n var assets = options[type];\n // check local registration variations first\n if (hasOwn(assets, id)) { return assets[id] }\n var camelizedId = camelize(id);\n if (hasOwn(assets, camelizedId)) { return assets[camelizedId] }\n var PascalCaseId = capitalize(camelizedId);\n if (hasOwn(assets, PascalCaseId)) { return assets[PascalCaseId] }\n // fallback to prototype chain\n var res = assets[id] || assets[camelizedId] || assets[PascalCaseId];\n if (process.env.NODE_ENV !== 'production' && warnMissing && !res) {\n warn(\n 'Failed to resolve ' + type.slice(0, -1) + ': ' + id,\n options\n );\n }\n return res\n}\n\n/* */\n\n\n\nfunction validateProp (\n key,\n propOptions,\n propsData,\n vm\n) {\n var prop = propOptions[key];\n var absent = !hasOwn(propsData, key);\n var value = propsData[key];\n // boolean casting\n var booleanIndex = getTypeIndex(Boolean, prop.type);\n if (booleanIndex > -1) {\n if (absent && !hasOwn(prop, 'default')) {\n value = false;\n } else if (value === '' || value === hyphenate(key)) {\n // only cast empty string / same name to boolean if\n // boolean has higher priority\n var stringIndex = getTypeIndex(String, prop.type);\n if (stringIndex < 0 || booleanIndex < stringIndex) {\n value = true;\n }\n }\n }\n // check default value\n if (value === undefined) {\n value = getPropDefaultValue(vm, prop, key);\n // since the default value is a fresh copy,\n // make sure to observe it.\n var prevShouldObserve = shouldObserve;\n toggleObserving(true);\n observe(value);\n toggleObserving(prevShouldObserve);\n }\n if (\n process.env.NODE_ENV !== 'production' &&\n // skip validation for weex recycle-list child component props\n !(false)\n ) {\n assertProp(prop, key, value, vm, absent);\n }\n return value\n}\n\n/**\n * Get the default value of a prop.\n */\nfunction getPropDefaultValue (vm, prop, key) {\n // no default, return undefined\n if (!hasOwn(prop, 'default')) {\n return undefined\n }\n var def = prop.default;\n // warn against non-factory defaults for Object & Array\n if (process.env.NODE_ENV !== 'production' && isObject(def)) {\n warn(\n 'Invalid default value for prop \"' + key + '\": ' +\n 'Props with type Object/Array must use a factory function ' +\n 'to return the default value.',\n vm\n );\n }\n // the raw prop value was also undefined from previous render,\n // return previous default value to avoid unnecessary watcher trigger\n if (vm && vm.$options.propsData &&\n vm.$options.propsData[key] === undefined &&\n vm._props[key] !== undefined\n ) {\n return vm._props[key]\n }\n // call factory function for non-Function types\n // a value is Function if its prototype is function even across different execution context\n return typeof def === 'function' && getType(prop.type) !== 'Function'\n ? def.call(vm)\n : def\n}\n\n/**\n * Assert whether a prop is valid.\n */\nfunction assertProp (\n prop,\n name,\n value,\n vm,\n absent\n) {\n if (prop.required && absent) {\n warn(\n 'Missing required prop: \"' + name + '\"',\n vm\n );\n return\n }\n if (value == null && !prop.required) {\n return\n }\n var type = prop.type;\n var valid = !type || type === true;\n var expectedTypes = [];\n if (type) {\n if (!Array.isArray(type)) {\n type = [type];\n }\n for (var i = 0; i < type.length && !valid; i++) {\n var assertedType = assertType(value, type[i]);\n expectedTypes.push(assertedType.expectedType || '');\n valid = assertedType.valid;\n }\n }\n\n if (!valid) {\n warn(\n getInvalidTypeMessage(name, value, expectedTypes),\n vm\n );\n return\n }\n var validator = prop.validator;\n if (validator) {\n if (!validator(value)) {\n warn(\n 'Invalid prop: custom validator check failed for prop \"' + name + '\".',\n vm\n );\n }\n }\n}\n\nvar simpleCheckRE = /^(String|Number|Boolean|Function|Symbol)$/;\n\nfunction assertType (value, type) {\n var valid;\n var expectedType = getType(type);\n if (simpleCheckRE.test(expectedType)) {\n var t = typeof value;\n valid = t === expectedType.toLowerCase();\n // for primitive wrapper objects\n if (!valid && t === 'object') {\n valid = value instanceof type;\n }\n } else if (expectedType === 'Object') {\n valid = isPlainObject(value);\n } else if (expectedType === 'Array') {\n valid = Array.isArray(value);\n } else {\n valid = value instanceof type;\n }\n return {\n valid: valid,\n expectedType: expectedType\n }\n}\n\n/**\n * Use function string name to check built-in types,\n * because a simple equality check will fail when running\n * across different vms / iframes.\n */\nfunction getType (fn) {\n var match = fn && fn.toString().match(/^\\s*function (\\w+)/);\n return match ? match[1] : ''\n}\n\nfunction isSameType (a, b) {\n return getType(a) === getType(b)\n}\n\nfunction getTypeIndex (type, expectedTypes) {\n if (!Array.isArray(expectedTypes)) {\n return isSameType(expectedTypes, type) ? 0 : -1\n }\n for (var i = 0, len = expectedTypes.length; i < len; i++) {\n if (isSameType(expectedTypes[i], type)) {\n return i\n }\n }\n return -1\n}\n\nfunction getInvalidTypeMessage (name, value, expectedTypes) {\n var message = \"Invalid prop: type check failed for prop \\\"\" + name + \"\\\".\" +\n \" Expected \" + (expectedTypes.map(capitalize).join(', '));\n var expectedType = expectedTypes[0];\n var receivedType = toRawType(value);\n var expectedValue = styleValue(value, expectedType);\n var receivedValue = styleValue(value, receivedType);\n // check if we need to specify expected value\n if (expectedTypes.length === 1 &&\n isExplicable(expectedType) &&\n !isBoolean(expectedType, receivedType)) {\n message += \" with value \" + expectedValue;\n }\n message += \", got \" + receivedType + \" \";\n // check if we need to specify received value\n if (isExplicable(receivedType)) {\n message += \"with value \" + receivedValue + \".\";\n }\n return message\n}\n\nfunction styleValue (value, type) {\n if (type === 'String') {\n return (\"\\\"\" + value + \"\\\"\")\n } else if (type === 'Number') {\n return (\"\" + (Number(value)))\n } else {\n return (\"\" + value)\n }\n}\n\nfunction isExplicable (value) {\n var explicitTypes = ['string', 'number', 'boolean'];\n return explicitTypes.some(function (elem) { return value.toLowerCase() === elem; })\n}\n\nfunction isBoolean () {\n var args = [], len = arguments.length;\n while ( len-- ) args[ len ] = arguments[ len ];\n\n return args.some(function (elem) { return elem.toLowerCase() === 'boolean'; })\n}\n\n/* */\n\nfunction handleError (err, vm, info) {\n // Deactivate deps tracking while processing error handler to avoid possible infinite rendering.\n // See: https://github.com/vuejs/vuex/issues/1505\n pushTarget();\n try {\n if (vm) {\n var cur = vm;\n while ((cur = cur.$parent)) {\n var hooks = cur.$options.errorCaptured;\n if (hooks) {\n for (var i = 0; i < hooks.length; i++) {\n try {\n var capture = hooks[i].call(cur, err, vm, info) === false;\n if (capture) { return }\n } catch (e) {\n globalHandleError(e, cur, 'errorCaptured hook');\n }\n }\n }\n }\n }\n globalHandleError(err, vm, info);\n } finally {\n popTarget();\n }\n}\n\nfunction invokeWithErrorHandling (\n handler,\n context,\n args,\n vm,\n info\n) {\n var res;\n try {\n res = args ? handler.apply(context, args) : handler.call(context);\n if (res && !res._isVue && isPromise(res) && !res._handled) {\n res.catch(function (e) { return handleError(e, vm, info + \" (Promise/async)\"); });\n // issue #9511\n // avoid catch triggering multiple times when nested calls\n res._handled = true;\n }\n } catch (e) {\n handleError(e, vm, info);\n }\n return res\n}\n\nfunction globalHandleError (err, vm, info) {\n if (config.errorHandler) {\n try {\n return config.errorHandler.call(null, err, vm, info)\n } catch (e) {\n // if the user intentionally throws the original error in the handler,\n // do not log it twice\n if (e !== err) {\n logError(e, null, 'config.errorHandler');\n }\n }\n }\n logError(err, vm, info);\n}\n\nfunction logError (err, vm, info) {\n if (process.env.NODE_ENV !== 'production') {\n warn((\"Error in \" + info + \": \\\"\" + (err.toString()) + \"\\\"\"), vm);\n }\n /* istanbul ignore else */\n if ((inBrowser || inWeex) && typeof console !== 'undefined') {\n console.error(err);\n } else {\n throw err\n }\n}\n\n/* */\n\nvar isUsingMicroTask = false;\n\nvar callbacks = [];\nvar pending = false;\n\nfunction flushCallbacks () {\n pending = false;\n var copies = callbacks.slice(0);\n callbacks.length = 0;\n for (var i = 0; i < copies.length; i++) {\n copies[i]();\n }\n}\n\n// Here we have async deferring wrappers using microtasks.\n// In 2.5 we used (macro) tasks (in combination with microtasks).\n// However, it has subtle problems when state is changed right before repaint\n// (e.g. #6813, out-in transitions).\n// Also, using (macro) tasks in event handler would cause some weird behaviors\n// that cannot be circumvented (e.g. #7109, #7153, #7546, #7834, #8109).\n// So we now use microtasks everywhere, again.\n// A major drawback of this tradeoff is that there are some scenarios\n// where microtasks have too high a priority and fire in between supposedly\n// sequential events (e.g. #4521, #6690, which have workarounds)\n// or even between bubbling of the same event (#6566).\nvar timerFunc;\n\n// The nextTick behavior leverages the microtask queue, which can be accessed\n// via either native Promise.then or MutationObserver.\n// MutationObserver has wider support, however it is seriously bugged in\n// UIWebView in iOS >= 9.3.3 when triggered in touch event handlers. It\n// completely stops working after triggering a few times... so, if native\n// Promise is available, we will use it:\n/* istanbul ignore next, $flow-disable-line */\nif (typeof Promise !== 'undefined' && isNative(Promise)) {\n var p = Promise.resolve();\n timerFunc = function () {\n p.then(flushCallbacks);\n // In problematic UIWebViews, Promise.then doesn't completely break, but\n // it can get stuck in a weird state where callbacks are pushed into the\n // microtask queue but the queue isn't being flushed, until the browser\n // needs to do some other work, e.g. handle a timer. Therefore we can\n // \"force\" the microtask queue to be flushed by adding an empty timer.\n if (isIOS) { setTimeout(noop); }\n };\n isUsingMicroTask = true;\n} else if (!isIE && typeof MutationObserver !== 'undefined' && (\n isNative(MutationObserver) ||\n // PhantomJS and iOS 7.x\n MutationObserver.toString() === '[object MutationObserverConstructor]'\n)) {\n // Use MutationObserver where native Promise is not available,\n // e.g. PhantomJS, iOS7, Android 4.4\n // (#6466 MutationObserver is unreliable in IE11)\n var counter = 1;\n var observer = new MutationObserver(flushCallbacks);\n var textNode = document.createTextNode(String(counter));\n observer.observe(textNode, {\n characterData: true\n });\n timerFunc = function () {\n counter = (counter + 1) % 2;\n textNode.data = String(counter);\n };\n isUsingMicroTask = true;\n} else if (typeof setImmediate !== 'undefined' && isNative(setImmediate)) {\n // Fallback to setImmediate.\n // Technically it leverages the (macro) task queue,\n // but it is still a better choice than setTimeout.\n timerFunc = function () {\n setImmediate(flushCallbacks);\n };\n} else {\n // Fallback to setTimeout.\n timerFunc = function () {\n setTimeout(flushCallbacks, 0);\n };\n}\n\nfunction nextTick (cb, ctx) {\n var _resolve;\n callbacks.push(function () {\n if (cb) {\n try {\n cb.call(ctx);\n } catch (e) {\n handleError(e, ctx, 'nextTick');\n }\n } else if (_resolve) {\n _resolve(ctx);\n }\n });\n if (!pending) {\n pending = true;\n timerFunc();\n }\n // $flow-disable-line\n if (!cb && typeof Promise !== 'undefined') {\n return new Promise(function (resolve) {\n _resolve = resolve;\n })\n }\n}\n\n/* */\n\n/* not type checking this file because flow doesn't play well with Proxy */\n\nvar initProxy;\n\nif (process.env.NODE_ENV !== 'production') {\n var allowedGlobals = makeMap(\n 'Infinity,undefined,NaN,isFinite,isNaN,' +\n 'parseFloat,parseInt,decodeURI,decodeURIComponent,encodeURI,encodeURIComponent,' +\n 'Math,Number,Date,Array,Object,Boolean,String,RegExp,Map,Set,JSON,Intl,' +\n 'require' // for Webpack/Browserify\n );\n\n var warnNonPresent = function (target, key) {\n warn(\n \"Property or method \\\"\" + key + \"\\\" is not defined on the instance but \" +\n 'referenced during render. Make sure that this property is reactive, ' +\n 'either in the data option, or for class-based components, by ' +\n 'initializing the property. ' +\n 'See: https://vuejs.org/v2/guide/reactivity.html#Declaring-Reactive-Properties.',\n target\n );\n };\n\n var warnReservedPrefix = function (target, key) {\n warn(\n \"Property \\\"\" + key + \"\\\" must be accessed with \\\"$data.\" + key + \"\\\" because \" +\n 'properties starting with \"$\" or \"_\" are not proxied in the Vue instance to ' +\n 'prevent conflicts with Vue internals. ' +\n 'See: https://vuejs.org/v2/api/#data',\n target\n );\n };\n\n var hasProxy =\n typeof Proxy !== 'undefined' && isNative(Proxy);\n\n if (hasProxy) {\n var isBuiltInModifier = makeMap('stop,prevent,self,ctrl,shift,alt,meta,exact');\n config.keyCodes = new Proxy(config.keyCodes, {\n set: function set (target, key, value) {\n if (isBuiltInModifier(key)) {\n warn((\"Avoid overwriting built-in modifier in config.keyCodes: .\" + key));\n return false\n } else {\n target[key] = value;\n return true\n }\n }\n });\n }\n\n var hasHandler = {\n has: function has (target, key) {\n var has = key in target;\n var isAllowed = allowedGlobals(key) ||\n (typeof key === 'string' && key.charAt(0) === '_' && !(key in target.$data));\n if (!has && !isAllowed) {\n if (key in target.$data) { warnReservedPrefix(target, key); }\n else { warnNonPresent(target, key); }\n }\n return has || !isAllowed\n }\n };\n\n var getHandler = {\n get: function get (target, key) {\n if (typeof key === 'string' && !(key in target)) {\n if (key in target.$data) { warnReservedPrefix(target, key); }\n else { warnNonPresent(target, key); }\n }\n return target[key]\n }\n };\n\n initProxy = function initProxy (vm) {\n if (hasProxy) {\n // determine which proxy handler to use\n var options = vm.$options;\n var handlers = options.render && options.render._withStripped\n ? getHandler\n : hasHandler;\n vm._renderProxy = new Proxy(vm, handlers);\n } else {\n vm._renderProxy = vm;\n }\n };\n}\n\n/* */\n\nvar seenObjects = new _Set();\n\n/**\n * Recursively traverse an object to evoke all converted\n * getters, so that every nested property inside the object\n * is collected as a \"deep\" dependency.\n */\nfunction traverse (val) {\n _traverse(val, seenObjects);\n seenObjects.clear();\n}\n\nfunction _traverse (val, seen) {\n var i, keys;\n var isA = Array.isArray(val);\n if ((!isA && !isObject(val)) || Object.isFrozen(val) || val instanceof VNode) {\n return\n }\n if (val.__ob__) {\n var depId = val.__ob__.dep.id;\n if (seen.has(depId)) {\n return\n }\n seen.add(depId);\n }\n if (isA) {\n i = val.length;\n while (i--) { _traverse(val[i], seen); }\n } else {\n keys = Object.keys(val);\n i = keys.length;\n while (i--) { _traverse(val[keys[i]], seen); }\n }\n}\n\nvar mark;\nvar measure;\n\nif (process.env.NODE_ENV !== 'production') {\n var perf = inBrowser && window.performance;\n /* istanbul ignore if */\n if (\n perf &&\n perf.mark &&\n perf.measure &&\n perf.clearMarks &&\n perf.clearMeasures\n ) {\n mark = function (tag) { return perf.mark(tag); };\n measure = function (name, startTag, endTag) {\n perf.measure(name, startTag, endTag);\n perf.clearMarks(startTag);\n perf.clearMarks(endTag);\n // perf.clearMeasures(name)\n };\n }\n}\n\n/* */\n\nvar normalizeEvent = cached(function (name) {\n var passive = name.charAt(0) === '&';\n name = passive ? name.slice(1) : name;\n var once$$1 = name.charAt(0) === '~'; // Prefixed last, checked first\n name = once$$1 ? name.slice(1) : name;\n var capture = name.charAt(0) === '!';\n name = capture ? name.slice(1) : name;\n return {\n name: name,\n once: once$$1,\n capture: capture,\n passive: passive\n }\n});\n\nfunction createFnInvoker (fns, vm) {\n function invoker () {\n var arguments$1 = arguments;\n\n var fns = invoker.fns;\n if (Array.isArray(fns)) {\n var cloned = fns.slice();\n for (var i = 0; i < cloned.length; i++) {\n invokeWithErrorHandling(cloned[i], null, arguments$1, vm, \"v-on handler\");\n }\n } else {\n // return handler return value for single handlers\n return invokeWithErrorHandling(fns, null, arguments, vm, \"v-on handler\")\n }\n }\n invoker.fns = fns;\n return invoker\n}\n\nfunction updateListeners (\n on,\n oldOn,\n add,\n remove$$1,\n createOnceHandler,\n vm\n) {\n var name, def$$1, cur, old, event;\n for (name in on) {\n def$$1 = cur = on[name];\n old = oldOn[name];\n event = normalizeEvent(name);\n if (isUndef(cur)) {\n process.env.NODE_ENV !== 'production' && warn(\n \"Invalid handler for event \\\"\" + (event.name) + \"\\\": got \" + String(cur),\n vm\n );\n } else if (isUndef(old)) {\n if (isUndef(cur.fns)) {\n cur = on[name] = createFnInvoker(cur, vm);\n }\n if (isTrue(event.once)) {\n cur = on[name] = createOnceHandler(event.name, cur, event.capture);\n }\n add(event.name, cur, event.capture, event.passive, event.params);\n } else if (cur !== old) {\n old.fns = cur;\n on[name] = old;\n }\n }\n for (name in oldOn) {\n if (isUndef(on[name])) {\n event = normalizeEvent(name);\n remove$$1(event.name, oldOn[name], event.capture);\n }\n }\n}\n\n/* */\n\nfunction mergeVNodeHook (def, hookKey, hook) {\n if (def instanceof VNode) {\n def = def.data.hook || (def.data.hook = {});\n }\n var invoker;\n var oldHook = def[hookKey];\n\n function wrappedHook () {\n hook.apply(this, arguments);\n // important: remove merged hook to ensure it's called only once\n // and prevent memory leak\n remove(invoker.fns, wrappedHook);\n }\n\n if (isUndef(oldHook)) {\n // no existing hook\n invoker = createFnInvoker([wrappedHook]);\n } else {\n /* istanbul ignore if */\n if (isDef(oldHook.fns) && isTrue(oldHook.merged)) {\n // already a merged invoker\n invoker = oldHook;\n invoker.fns.push(wrappedHook);\n } else {\n // existing plain hook\n invoker = createFnInvoker([oldHook, wrappedHook]);\n }\n }\n\n invoker.merged = true;\n def[hookKey] = invoker;\n}\n\n/* */\n\nfunction extractPropsFromVNodeData (\n data,\n Ctor,\n tag\n) {\n // we are only extracting raw values here.\n // validation and default values are handled in the child\n // component itself.\n var propOptions = Ctor.options.props;\n if (isUndef(propOptions)) {\n return\n }\n var res = {};\n var attrs = data.attrs;\n var props = data.props;\n if (isDef(attrs) || isDef(props)) {\n for (var key in propOptions) {\n var altKey = hyphenate(key);\n if (process.env.NODE_ENV !== 'production') {\n var keyInLowerCase = key.toLowerCase();\n if (\n key !== keyInLowerCase &&\n attrs && hasOwn(attrs, keyInLowerCase)\n ) {\n tip(\n \"Prop \\\"\" + keyInLowerCase + \"\\\" is passed to component \" +\n (formatComponentName(tag || Ctor)) + \", but the declared prop name is\" +\n \" \\\"\" + key + \"\\\". \" +\n \"Note that HTML attributes are case-insensitive and camelCased \" +\n \"props need to use their kebab-case equivalents when using in-DOM \" +\n \"templates. You should probably use \\\"\" + altKey + \"\\\" instead of \\\"\" + key + \"\\\".\"\n );\n }\n }\n checkProp(res, props, key, altKey, true) ||\n checkProp(res, attrs, key, altKey, false);\n }\n }\n return res\n}\n\nfunction checkProp (\n res,\n hash,\n key,\n altKey,\n preserve\n) {\n if (isDef(hash)) {\n if (hasOwn(hash, key)) {\n res[key] = hash[key];\n if (!preserve) {\n delete hash[key];\n }\n return true\n } else if (hasOwn(hash, altKey)) {\n res[key] = hash[altKey];\n if (!preserve) {\n delete hash[altKey];\n }\n return true\n }\n }\n return false\n}\n\n/* */\n\n// The template compiler attempts to minimize the need for normalization by\n// statically analyzing the template at compile time.\n//\n// For plain HTML markup, normalization can be completely skipped because the\n// generated render function is guaranteed to return Array. There are\n// two cases where extra normalization is needed:\n\n// 1. When the children contains components - because a functional component\n// may return an Array instead of a single root. In this case, just a simple\n// normalization is needed - if any child is an Array, we flatten the whole\n// thing with Array.prototype.concat. It is guaranteed to be only 1-level deep\n// because functional components already normalize their own children.\nfunction simpleNormalizeChildren (children) {\n for (var i = 0; i < children.length; i++) {\n if (Array.isArray(children[i])) {\n return Array.prototype.concat.apply([], children)\n }\n }\n return children\n}\n\n// 2. When the children contains constructs that always generated nested Arrays,\n// e.g. , , v-for, or when the children is provided by user\n// with hand-written render functions / JSX. In such cases a full normalization\n// is needed to cater to all possible types of children values.\nfunction normalizeChildren (children) {\n return isPrimitive(children)\n ? [createTextVNode(children)]\n : Array.isArray(children)\n ? normalizeArrayChildren(children)\n : undefined\n}\n\nfunction isTextNode (node) {\n return isDef(node) && isDef(node.text) && isFalse(node.isComment)\n}\n\nfunction normalizeArrayChildren (children, nestedIndex) {\n var res = [];\n var i, c, lastIndex, last;\n for (i = 0; i < children.length; i++) {\n c = children[i];\n if (isUndef(c) || typeof c === 'boolean') { continue }\n lastIndex = res.length - 1;\n last = res[lastIndex];\n // nested\n if (Array.isArray(c)) {\n if (c.length > 0) {\n c = normalizeArrayChildren(c, ((nestedIndex || '') + \"_\" + i));\n // merge adjacent text nodes\n if (isTextNode(c[0]) && isTextNode(last)) {\n res[lastIndex] = createTextVNode(last.text + (c[0]).text);\n c.shift();\n }\n res.push.apply(res, c);\n }\n } else if (isPrimitive(c)) {\n if (isTextNode(last)) {\n // merge adjacent text nodes\n // this is necessary for SSR hydration because text nodes are\n // essentially merged when rendered to HTML strings\n res[lastIndex] = createTextVNode(last.text + c);\n } else if (c !== '') {\n // convert primitive to vnode\n res.push(createTextVNode(c));\n }\n } else {\n if (isTextNode(c) && isTextNode(last)) {\n // merge adjacent text nodes\n res[lastIndex] = createTextVNode(last.text + c.text);\n } else {\n // default key for nested array children (likely generated by v-for)\n if (isTrue(children._isVList) &&\n isDef(c.tag) &&\n isUndef(c.key) &&\n isDef(nestedIndex)) {\n c.key = \"__vlist\" + nestedIndex + \"_\" + i + \"__\";\n }\n res.push(c);\n }\n }\n }\n return res\n}\n\n/* */\n\nfunction initProvide (vm) {\n var provide = vm.$options.provide;\n if (provide) {\n vm._provided = typeof provide === 'function'\n ? provide.call(vm)\n : provide;\n }\n}\n\nfunction initInjections (vm) {\n var result = resolveInject(vm.$options.inject, vm);\n if (result) {\n toggleObserving(false);\n Object.keys(result).forEach(function (key) {\n /* istanbul ignore else */\n if (process.env.NODE_ENV !== 'production') {\n defineReactive$$1(vm, key, result[key], function () {\n warn(\n \"Avoid mutating an injected value directly since the changes will be \" +\n \"overwritten whenever the provided component re-renders. \" +\n \"injection being mutated: \\\"\" + key + \"\\\"\",\n vm\n );\n });\n } else {\n defineReactive$$1(vm, key, result[key]);\n }\n });\n toggleObserving(true);\n }\n}\n\nfunction resolveInject (inject, vm) {\n if (inject) {\n // inject is :any because flow is not smart enough to figure out cached\n var result = Object.create(null);\n var keys = hasSymbol\n ? Reflect.ownKeys(inject)\n : Object.keys(inject);\n\n for (var i = 0; i < keys.length; i++) {\n var key = keys[i];\n // #6574 in case the inject object is observed...\n if (key === '__ob__') { continue }\n var provideKey = inject[key].from;\n var source = vm;\n while (source) {\n if (source._provided && hasOwn(source._provided, provideKey)) {\n result[key] = source._provided[provideKey];\n break\n }\n source = source.$parent;\n }\n if (!source) {\n if ('default' in inject[key]) {\n var provideDefault = inject[key].default;\n result[key] = typeof provideDefault === 'function'\n ? provideDefault.call(vm)\n : provideDefault;\n } else if (process.env.NODE_ENV !== 'production') {\n warn((\"Injection \\\"\" + key + \"\\\" not found\"), vm);\n }\n }\n }\n return result\n }\n}\n\n/* */\n\n\n\n/**\n * Runtime helper for resolving raw children VNodes into a slot object.\n */\nfunction resolveSlots (\n children,\n context\n) {\n if (!children || !children.length) {\n return {}\n }\n var slots = {};\n for (var i = 0, l = children.length; i < l; i++) {\n var child = children[i];\n var data = child.data;\n // remove slot attribute if the node is resolved as a Vue slot node\n if (data && data.attrs && data.attrs.slot) {\n delete data.attrs.slot;\n }\n // named slots should only be respected if the vnode was rendered in the\n // same context.\n if ((child.context === context || child.fnContext === context) &&\n data && data.slot != null\n ) {\n var name = data.slot;\n var slot = (slots[name] || (slots[name] = []));\n if (child.tag === 'template') {\n slot.push.apply(slot, child.children || []);\n } else {\n slot.push(child);\n }\n } else {\n (slots.default || (slots.default = [])).push(child);\n }\n }\n // ignore slots that contains only whitespace\n for (var name$1 in slots) {\n if (slots[name$1].every(isWhitespace)) {\n delete slots[name$1];\n }\n }\n return slots\n}\n\nfunction isWhitespace (node) {\n return (node.isComment && !node.asyncFactory) || node.text === ' '\n}\n\n/* */\n\nfunction normalizeScopedSlots (\n slots,\n normalSlots,\n prevSlots\n) {\n var res;\n var hasNormalSlots = Object.keys(normalSlots).length > 0;\n var isStable = slots ? !!slots.$stable : !hasNormalSlots;\n var key = slots && slots.$key;\n if (!slots) {\n res = {};\n } else if (slots._normalized) {\n // fast path 1: child component re-render only, parent did not change\n return slots._normalized\n } else if (\n isStable &&\n prevSlots &&\n prevSlots !== emptyObject &&\n key === prevSlots.$key &&\n !hasNormalSlots &&\n !prevSlots.$hasNormal\n ) {\n // fast path 2: stable scoped slots w/ no normal slots to proxy,\n // only need to normalize once\n return prevSlots\n } else {\n res = {};\n for (var key$1 in slots) {\n if (slots[key$1] && key$1[0] !== '$') {\n res[key$1] = normalizeScopedSlot(normalSlots, key$1, slots[key$1]);\n }\n }\n }\n // expose normal slots on scopedSlots\n for (var key$2 in normalSlots) {\n if (!(key$2 in res)) {\n res[key$2] = proxyNormalSlot(normalSlots, key$2);\n }\n }\n // avoriaz seems to mock a non-extensible $scopedSlots object\n // and when that is passed down this would cause an error\n if (slots && Object.isExtensible(slots)) {\n (slots)._normalized = res;\n }\n def(res, '$stable', isStable);\n def(res, '$key', key);\n def(res, '$hasNormal', hasNormalSlots);\n return res\n}\n\nfunction normalizeScopedSlot(normalSlots, key, fn) {\n var normalized = function () {\n var res = arguments.length ? fn.apply(null, arguments) : fn({});\n res = res && typeof res === 'object' && !Array.isArray(res)\n ? [res] // single vnode\n : normalizeChildren(res);\n return res && (\n res.length === 0 ||\n (res.length === 1 && res[0].isComment) // #9658\n ) ? undefined\n : res\n };\n // this is a slot using the new v-slot syntax without scope. although it is\n // compiled as a scoped slot, render fn users would expect it to be present\n // on this.$slots because the usage is semantically a normal slot.\n if (fn.proxy) {\n Object.defineProperty(normalSlots, key, {\n get: normalized,\n enumerable: true,\n configurable: true\n });\n }\n return normalized\n}\n\nfunction proxyNormalSlot(slots, key) {\n return function () { return slots[key]; }\n}\n\n/* */\n\n/**\n * Runtime helper for rendering v-for lists.\n */\nfunction renderList (\n val,\n render\n) {\n var ret, i, l, keys, key;\n if (Array.isArray(val) || typeof val === 'string') {\n ret = new Array(val.length);\n for (i = 0, l = val.length; i < l; i++) {\n ret[i] = render(val[i], i);\n }\n } else if (typeof val === 'number') {\n ret = new Array(val);\n for (i = 0; i < val; i++) {\n ret[i] = render(i + 1, i);\n }\n } else if (isObject(val)) {\n if (hasSymbol && val[Symbol.iterator]) {\n ret = [];\n var iterator = val[Symbol.iterator]();\n var result = iterator.next();\n while (!result.done) {\n ret.push(render(result.value, ret.length));\n result = iterator.next();\n }\n } else {\n keys = Object.keys(val);\n ret = new Array(keys.length);\n for (i = 0, l = keys.length; i < l; i++) {\n key = keys[i];\n ret[i] = render(val[key], key, i);\n }\n }\n }\n if (!isDef(ret)) {\n ret = [];\n }\n (ret)._isVList = true;\n return ret\n}\n\n/* */\n\n/**\n * Runtime helper for rendering \n */\nfunction renderSlot (\n name,\n fallback,\n props,\n bindObject\n) {\n var scopedSlotFn = this.$scopedSlots[name];\n var nodes;\n if (scopedSlotFn) { // scoped slot\n props = props || {};\n if (bindObject) {\n if (process.env.NODE_ENV !== 'production' && !isObject(bindObject)) {\n warn(\n 'slot v-bind without argument expects an Object',\n this\n );\n }\n props = extend(extend({}, bindObject), props);\n }\n nodes = scopedSlotFn(props) || fallback;\n } else {\n nodes = this.$slots[name] || fallback;\n }\n\n var target = props && props.slot;\n if (target) {\n return this.$createElement('template', { slot: target }, nodes)\n } else {\n return nodes\n }\n}\n\n/* */\n\n/**\n * Runtime helper for resolving filters\n */\nfunction resolveFilter (id) {\n return resolveAsset(this.$options, 'filters', id, true) || identity\n}\n\n/* */\n\nfunction isKeyNotMatch (expect, actual) {\n if (Array.isArray(expect)) {\n return expect.indexOf(actual) === -1\n } else {\n return expect !== actual\n }\n}\n\n/**\n * Runtime helper for checking keyCodes from config.\n * exposed as Vue.prototype._k\n * passing in eventKeyName as last argument separately for backwards compat\n */\nfunction checkKeyCodes (\n eventKeyCode,\n key,\n builtInKeyCode,\n eventKeyName,\n builtInKeyName\n) {\n var mappedKeyCode = config.keyCodes[key] || builtInKeyCode;\n if (builtInKeyName && eventKeyName && !config.keyCodes[key]) {\n return isKeyNotMatch(builtInKeyName, eventKeyName)\n } else if (mappedKeyCode) {\n return isKeyNotMatch(mappedKeyCode, eventKeyCode)\n } else if (eventKeyName) {\n return hyphenate(eventKeyName) !== key\n }\n}\n\n/* */\n\n/**\n * Runtime helper for merging v-bind=\"object\" into a VNode's data.\n */\nfunction bindObjectProps (\n data,\n tag,\n value,\n asProp,\n isSync\n) {\n if (value) {\n if (!isObject(value)) {\n process.env.NODE_ENV !== 'production' && warn(\n 'v-bind without argument expects an Object or Array value',\n this\n );\n } else {\n if (Array.isArray(value)) {\n value = toObject(value);\n }\n var hash;\n var loop = function ( key ) {\n if (\n key === 'class' ||\n key === 'style' ||\n isReservedAttribute(key)\n ) {\n hash = data;\n } else {\n var type = data.attrs && data.attrs.type;\n hash = asProp || config.mustUseProp(tag, type, key)\n ? data.domProps || (data.domProps = {})\n : data.attrs || (data.attrs = {});\n }\n var camelizedKey = camelize(key);\n var hyphenatedKey = hyphenate(key);\n if (!(camelizedKey in hash) && !(hyphenatedKey in hash)) {\n hash[key] = value[key];\n\n if (isSync) {\n var on = data.on || (data.on = {});\n on[(\"update:\" + key)] = function ($event) {\n value[key] = $event;\n };\n }\n }\n };\n\n for (var key in value) loop( key );\n }\n }\n return data\n}\n\n/* */\n\n/**\n * Runtime helper for rendering static trees.\n */\nfunction renderStatic (\n index,\n isInFor\n) {\n var cached = this._staticTrees || (this._staticTrees = []);\n var tree = cached[index];\n // if has already-rendered static tree and not inside v-for,\n // we can reuse the same tree.\n if (tree && !isInFor) {\n return tree\n }\n // otherwise, render a fresh tree.\n tree = cached[index] = this.$options.staticRenderFns[index].call(\n this._renderProxy,\n null,\n this // for render fns generated for functional component templates\n );\n markStatic(tree, (\"__static__\" + index), false);\n return tree\n}\n\n/**\n * Runtime helper for v-once.\n * Effectively it means marking the node as static with a unique key.\n */\nfunction markOnce (\n tree,\n index,\n key\n) {\n markStatic(tree, (\"__once__\" + index + (key ? (\"_\" + key) : \"\")), true);\n return tree\n}\n\nfunction markStatic (\n tree,\n key,\n isOnce\n) {\n if (Array.isArray(tree)) {\n for (var i = 0; i < tree.length; i++) {\n if (tree[i] && typeof tree[i] !== 'string') {\n markStaticNode(tree[i], (key + \"_\" + i), isOnce);\n }\n }\n } else {\n markStaticNode(tree, key, isOnce);\n }\n}\n\nfunction markStaticNode (node, key, isOnce) {\n node.isStatic = true;\n node.key = key;\n node.isOnce = isOnce;\n}\n\n/* */\n\nfunction bindObjectListeners (data, value) {\n if (value) {\n if (!isPlainObject(value)) {\n process.env.NODE_ENV !== 'production' && warn(\n 'v-on without argument expects an Object value',\n this\n );\n } else {\n var on = data.on = data.on ? extend({}, data.on) : {};\n for (var key in value) {\n var existing = on[key];\n var ours = value[key];\n on[key] = existing ? [].concat(existing, ours) : ours;\n }\n }\n }\n return data\n}\n\n/* */\n\nfunction resolveScopedSlots (\n fns, // see flow/vnode\n res,\n // the following are added in 2.6\n hasDynamicKeys,\n contentHashKey\n) {\n res = res || { $stable: !hasDynamicKeys };\n for (var i = 0; i < fns.length; i++) {\n var slot = fns[i];\n if (Array.isArray(slot)) {\n resolveScopedSlots(slot, res, hasDynamicKeys);\n } else if (slot) {\n // marker for reverse proxying v-slot without scope on this.$slots\n if (slot.proxy) {\n slot.fn.proxy = true;\n }\n res[slot.key] = slot.fn;\n }\n }\n if (contentHashKey) {\n (res).$key = contentHashKey;\n }\n return res\n}\n\n/* */\n\nfunction bindDynamicKeys (baseObj, values) {\n for (var i = 0; i < values.length; i += 2) {\n var key = values[i];\n if (typeof key === 'string' && key) {\n baseObj[values[i]] = values[i + 1];\n } else if (process.env.NODE_ENV !== 'production' && key !== '' && key !== null) {\n // null is a special value for explicitly removing a binding\n warn(\n (\"Invalid value for dynamic directive argument (expected string or null): \" + key),\n this\n );\n }\n }\n return baseObj\n}\n\n// helper to dynamically append modifier runtime markers to event names.\n// ensure only append when value is already string, otherwise it will be cast\n// to string and cause the type check to miss.\nfunction prependModifier (value, symbol) {\n return typeof value === 'string' ? symbol + value : value\n}\n\n/* */\n\nfunction installRenderHelpers (target) {\n target._o = markOnce;\n target._n = toNumber;\n target._s = toString;\n target._l = renderList;\n target._t = renderSlot;\n target._q = looseEqual;\n target._i = looseIndexOf;\n target._m = renderStatic;\n target._f = resolveFilter;\n target._k = checkKeyCodes;\n target._b = bindObjectProps;\n target._v = createTextVNode;\n target._e = createEmptyVNode;\n target._u = resolveScopedSlots;\n target._g = bindObjectListeners;\n target._d = bindDynamicKeys;\n target._p = prependModifier;\n}\n\n/* */\n\nfunction FunctionalRenderContext (\n data,\n props,\n children,\n parent,\n Ctor\n) {\n var this$1 = this;\n\n var options = Ctor.options;\n // ensure the createElement function in functional components\n // gets a unique context - this is necessary for correct named slot check\n var contextVm;\n if (hasOwn(parent, '_uid')) {\n contextVm = Object.create(parent);\n // $flow-disable-line\n contextVm._original = parent;\n } else {\n // the context vm passed in is a functional context as well.\n // in this case we want to make sure we are able to get a hold to the\n // real context instance.\n contextVm = parent;\n // $flow-disable-line\n parent = parent._original;\n }\n var isCompiled = isTrue(options._compiled);\n var needNormalization = !isCompiled;\n\n this.data = data;\n this.props = props;\n this.children = children;\n this.parent = parent;\n this.listeners = data.on || emptyObject;\n this.injections = resolveInject(options.inject, parent);\n this.slots = function () {\n if (!this$1.$slots) {\n normalizeScopedSlots(\n data.scopedSlots,\n this$1.$slots = resolveSlots(children, parent)\n );\n }\n return this$1.$slots\n };\n\n Object.defineProperty(this, 'scopedSlots', ({\n enumerable: true,\n get: function get () {\n return normalizeScopedSlots(data.scopedSlots, this.slots())\n }\n }));\n\n // support for compiled functional template\n if (isCompiled) {\n // exposing $options for renderStatic()\n this.$options = options;\n // pre-resolve slots for renderSlot()\n this.$slots = this.slots();\n this.$scopedSlots = normalizeScopedSlots(data.scopedSlots, this.$slots);\n }\n\n if (options._scopeId) {\n this._c = function (a, b, c, d) {\n var vnode = createElement(contextVm, a, b, c, d, needNormalization);\n if (vnode && !Array.isArray(vnode)) {\n vnode.fnScopeId = options._scopeId;\n vnode.fnContext = parent;\n }\n return vnode\n };\n } else {\n this._c = function (a, b, c, d) { return createElement(contextVm, a, b, c, d, needNormalization); };\n }\n}\n\ninstallRenderHelpers(FunctionalRenderContext.prototype);\n\nfunction createFunctionalComponent (\n Ctor,\n propsData,\n data,\n contextVm,\n children\n) {\n var options = Ctor.options;\n var props = {};\n var propOptions = options.props;\n if (isDef(propOptions)) {\n for (var key in propOptions) {\n props[key] = validateProp(key, propOptions, propsData || emptyObject);\n }\n } else {\n if (isDef(data.attrs)) { mergeProps(props, data.attrs); }\n if (isDef(data.props)) { mergeProps(props, data.props); }\n }\n\n var renderContext = new FunctionalRenderContext(\n data,\n props,\n children,\n contextVm,\n Ctor\n );\n\n var vnode = options.render.call(null, renderContext._c, renderContext);\n\n if (vnode instanceof VNode) {\n return cloneAndMarkFunctionalResult(vnode, data, renderContext.parent, options, renderContext)\n } else if (Array.isArray(vnode)) {\n var vnodes = normalizeChildren(vnode) || [];\n var res = new Array(vnodes.length);\n for (var i = 0; i < vnodes.length; i++) {\n res[i] = cloneAndMarkFunctionalResult(vnodes[i], data, renderContext.parent, options, renderContext);\n }\n return res\n }\n}\n\nfunction cloneAndMarkFunctionalResult (vnode, data, contextVm, options, renderContext) {\n // #7817 clone node before setting fnContext, otherwise if the node is reused\n // (e.g. it was from a cached normal slot) the fnContext causes named slots\n // that should not be matched to match.\n var clone = cloneVNode(vnode);\n clone.fnContext = contextVm;\n clone.fnOptions = options;\n if (process.env.NODE_ENV !== 'production') {\n (clone.devtoolsMeta = clone.devtoolsMeta || {}).renderContext = renderContext;\n }\n if (data.slot) {\n (clone.data || (clone.data = {})).slot = data.slot;\n }\n return clone\n}\n\nfunction mergeProps (to, from) {\n for (var key in from) {\n to[camelize(key)] = from[key];\n }\n}\n\n/* */\n\n/* */\n\n/* */\n\n/* */\n\n// inline hooks to be invoked on component VNodes during patch\nvar componentVNodeHooks = {\n init: function init (vnode, hydrating) {\n if (\n vnode.componentInstance &&\n !vnode.componentInstance._isDestroyed &&\n vnode.data.keepAlive\n ) {\n // kept-alive components, treat as a patch\n var mountedNode = vnode; // work around flow\n componentVNodeHooks.prepatch(mountedNode, mountedNode);\n } else {\n var child = vnode.componentInstance = createComponentInstanceForVnode(\n vnode,\n activeInstance\n );\n child.$mount(hydrating ? vnode.elm : undefined, hydrating);\n }\n },\n\n prepatch: function prepatch (oldVnode, vnode) {\n var options = vnode.componentOptions;\n var child = vnode.componentInstance = oldVnode.componentInstance;\n updateChildComponent(\n child,\n options.propsData, // updated props\n options.listeners, // updated listeners\n vnode, // new parent vnode\n options.children // new children\n );\n },\n\n insert: function insert (vnode) {\n var context = vnode.context;\n var componentInstance = vnode.componentInstance;\n if (!componentInstance._isMounted) {\n componentInstance._isMounted = true;\n callHook(componentInstance, 'mounted');\n }\n if (vnode.data.keepAlive) {\n if (context._isMounted) {\n // vue-router#1212\n // During updates, a kept-alive component's child components may\n // change, so directly walking the tree here may call activated hooks\n // on incorrect children. Instead we push them into a queue which will\n // be processed after the whole patch process ended.\n queueActivatedComponent(componentInstance);\n } else {\n activateChildComponent(componentInstance, true /* direct */);\n }\n }\n },\n\n destroy: function destroy (vnode) {\n var componentInstance = vnode.componentInstance;\n if (!componentInstance._isDestroyed) {\n if (!vnode.data.keepAlive) {\n componentInstance.$destroy();\n } else {\n deactivateChildComponent(componentInstance, true /* direct */);\n }\n }\n }\n};\n\nvar hooksToMerge = Object.keys(componentVNodeHooks);\n\nfunction createComponent (\n Ctor,\n data,\n context,\n children,\n tag\n) {\n if (isUndef(Ctor)) {\n return\n }\n\n var baseCtor = context.$options._base;\n\n // plain options object: turn it into a constructor\n if (isObject(Ctor)) {\n Ctor = baseCtor.extend(Ctor);\n }\n\n // if at this stage it's not a constructor or an async component factory,\n // reject.\n if (typeof Ctor !== 'function') {\n if (process.env.NODE_ENV !== 'production') {\n warn((\"Invalid Component definition: \" + (String(Ctor))), context);\n }\n return\n }\n\n // async component\n var asyncFactory;\n if (isUndef(Ctor.cid)) {\n asyncFactory = Ctor;\n Ctor = resolveAsyncComponent(asyncFactory, baseCtor);\n if (Ctor === undefined) {\n // return a placeholder node for async component, which is rendered\n // as a comment node but preserves all the raw information for the node.\n // the information will be used for async server-rendering and hydration.\n return createAsyncPlaceholder(\n asyncFactory,\n data,\n context,\n children,\n tag\n )\n }\n }\n\n data = data || {};\n\n // resolve constructor options in case global mixins are applied after\n // component constructor creation\n resolveConstructorOptions(Ctor);\n\n // transform component v-model data into props & events\n if (isDef(data.model)) {\n transformModel(Ctor.options, data);\n }\n\n // extract props\n var propsData = extractPropsFromVNodeData(data, Ctor, tag);\n\n // functional component\n if (isTrue(Ctor.options.functional)) {\n return createFunctionalComponent(Ctor, propsData, data, context, children)\n }\n\n // extract listeners, since these needs to be treated as\n // child component listeners instead of DOM listeners\n var listeners = data.on;\n // replace with listeners with .native modifier\n // so it gets processed during parent component patch.\n data.on = data.nativeOn;\n\n if (isTrue(Ctor.options.abstract)) {\n // abstract components do not keep anything\n // other than props & listeners & slot\n\n // work around flow\n var slot = data.slot;\n data = {};\n if (slot) {\n data.slot = slot;\n }\n }\n\n // install component management hooks onto the placeholder node\n installComponentHooks(data);\n\n // return a placeholder vnode\n var name = Ctor.options.name || tag;\n var vnode = new VNode(\n (\"vue-component-\" + (Ctor.cid) + (name ? (\"-\" + name) : '')),\n data, undefined, undefined, undefined, context,\n { Ctor: Ctor, propsData: propsData, listeners: listeners, tag: tag, children: children },\n asyncFactory\n );\n\n return vnode\n}\n\nfunction createComponentInstanceForVnode (\n vnode, // we know it's MountedComponentVNode but flow doesn't\n parent // activeInstance in lifecycle state\n) {\n var options = {\n _isComponent: true,\n _parentVnode: vnode,\n parent: parent\n };\n // check inline-template render functions\n var inlineTemplate = vnode.data.inlineTemplate;\n if (isDef(inlineTemplate)) {\n options.render = inlineTemplate.render;\n options.staticRenderFns = inlineTemplate.staticRenderFns;\n }\n return new vnode.componentOptions.Ctor(options)\n}\n\nfunction installComponentHooks (data) {\n var hooks = data.hook || (data.hook = {});\n for (var i = 0; i < hooksToMerge.length; i++) {\n var key = hooksToMerge[i];\n var existing = hooks[key];\n var toMerge = componentVNodeHooks[key];\n if (existing !== toMerge && !(existing && existing._merged)) {\n hooks[key] = existing ? mergeHook$1(toMerge, existing) : toMerge;\n }\n }\n}\n\nfunction mergeHook$1 (f1, f2) {\n var merged = function (a, b) {\n // flow complains about extra args which is why we use any\n f1(a, b);\n f2(a, b);\n };\n merged._merged = true;\n return merged\n}\n\n// transform component v-model info (value and callback) into\n// prop and event handler respectively.\nfunction transformModel (options, data) {\n var prop = (options.model && options.model.prop) || 'value';\n var event = (options.model && options.model.event) || 'input'\n ;(data.attrs || (data.attrs = {}))[prop] = data.model.value;\n var on = data.on || (data.on = {});\n var existing = on[event];\n var callback = data.model.callback;\n if (isDef(existing)) {\n if (\n Array.isArray(existing)\n ? existing.indexOf(callback) === -1\n : existing !== callback\n ) {\n on[event] = [callback].concat(existing);\n }\n } else {\n on[event] = callback;\n }\n}\n\n/* */\n\nvar SIMPLE_NORMALIZE = 1;\nvar ALWAYS_NORMALIZE = 2;\n\n// wrapper function for providing a more flexible interface\n// without getting yelled at by flow\nfunction createElement (\n context,\n tag,\n data,\n children,\n normalizationType,\n alwaysNormalize\n) {\n if (Array.isArray(data) || isPrimitive(data)) {\n normalizationType = children;\n children = data;\n data = undefined;\n }\n if (isTrue(alwaysNormalize)) {\n normalizationType = ALWAYS_NORMALIZE;\n }\n return _createElement(context, tag, data, children, normalizationType)\n}\n\nfunction _createElement (\n context,\n tag,\n data,\n children,\n normalizationType\n) {\n if (isDef(data) && isDef((data).__ob__)) {\n process.env.NODE_ENV !== 'production' && warn(\n \"Avoid using observed data object as vnode data: \" + (JSON.stringify(data)) + \"\\n\" +\n 'Always create fresh vnode data objects in each render!',\n context\n );\n return createEmptyVNode()\n }\n // object syntax in v-bind\n if (isDef(data) && isDef(data.is)) {\n tag = data.is;\n }\n if (!tag) {\n // in case of component :is set to falsy value\n return createEmptyVNode()\n }\n // warn against non-primitive key\n if (process.env.NODE_ENV !== 'production' &&\n isDef(data) && isDef(data.key) && !isPrimitive(data.key)\n ) {\n {\n warn(\n 'Avoid using non-primitive value as key, ' +\n 'use string/number value instead.',\n context\n );\n }\n }\n // support single function children as default scoped slot\n if (Array.isArray(children) &&\n typeof children[0] === 'function'\n ) {\n data = data || {};\n data.scopedSlots = { default: children[0] };\n children.length = 0;\n }\n if (normalizationType === ALWAYS_NORMALIZE) {\n children = normalizeChildren(children);\n } else if (normalizationType === SIMPLE_NORMALIZE) {\n children = simpleNormalizeChildren(children);\n }\n var vnode, ns;\n if (typeof tag === 'string') {\n var Ctor;\n ns = (context.$vnode && context.$vnode.ns) || config.getTagNamespace(tag);\n if (config.isReservedTag(tag)) {\n // platform built-in elements\n if (process.env.NODE_ENV !== 'production' && isDef(data) && isDef(data.nativeOn)) {\n warn(\n (\"The .native modifier for v-on is only valid on components but it was used on <\" + tag + \">.\"),\n context\n );\n }\n vnode = new VNode(\n config.parsePlatformTagName(tag), data, children,\n undefined, undefined, context\n );\n } else if ((!data || !data.pre) && isDef(Ctor = resolveAsset(context.$options, 'components', tag))) {\n // component\n vnode = createComponent(Ctor, data, context, children, tag);\n } else {\n // unknown or unlisted namespaced elements\n // check at runtime because it may get assigned a namespace when its\n // parent normalizes children\n vnode = new VNode(\n tag, data, children,\n undefined, undefined, context\n );\n }\n } else {\n // direct component options / constructor\n vnode = createComponent(tag, data, context, children);\n }\n if (Array.isArray(vnode)) {\n return vnode\n } else if (isDef(vnode)) {\n if (isDef(ns)) { applyNS(vnode, ns); }\n if (isDef(data)) { registerDeepBindings(data); }\n return vnode\n } else {\n return createEmptyVNode()\n }\n}\n\nfunction applyNS (vnode, ns, force) {\n vnode.ns = ns;\n if (vnode.tag === 'foreignObject') {\n // use default namespace inside foreignObject\n ns = undefined;\n force = true;\n }\n if (isDef(vnode.children)) {\n for (var i = 0, l = vnode.children.length; i < l; i++) {\n var child = vnode.children[i];\n if (isDef(child.tag) && (\n isUndef(child.ns) || (isTrue(force) && child.tag !== 'svg'))) {\n applyNS(child, ns, force);\n }\n }\n }\n}\n\n// ref #5318\n// necessary to ensure parent re-render when deep bindings like :style and\n// :class are used on slot nodes\nfunction registerDeepBindings (data) {\n if (isObject(data.style)) {\n traverse(data.style);\n }\n if (isObject(data.class)) {\n traverse(data.class);\n }\n}\n\n/* */\n\nfunction initRender (vm) {\n vm._vnode = null; // the root of the child tree\n vm._staticTrees = null; // v-once cached trees\n var options = vm.$options;\n var parentVnode = vm.$vnode = options._parentVnode; // the placeholder node in parent tree\n var renderContext = parentVnode && parentVnode.context;\n vm.$slots = resolveSlots(options._renderChildren, renderContext);\n vm.$scopedSlots = emptyObject;\n // bind the createElement fn to this instance\n // so that we get proper render context inside it.\n // args order: tag, data, children, normalizationType, alwaysNormalize\n // internal version is used by render functions compiled from templates\n vm._c = function (a, b, c, d) { return createElement(vm, a, b, c, d, false); };\n // normalization is always applied for the public version, used in\n // user-written render functions.\n vm.$createElement = function (a, b, c, d) { return createElement(vm, a, b, c, d, true); };\n\n // $attrs & $listeners are exposed for easier HOC creation.\n // they need to be reactive so that HOCs using them are always updated\n var parentData = parentVnode && parentVnode.data;\n\n /* istanbul ignore else */\n if (process.env.NODE_ENV !== 'production') {\n defineReactive$$1(vm, '$attrs', parentData && parentData.attrs || emptyObject, function () {\n !isUpdatingChildComponent && warn(\"$attrs is readonly.\", vm);\n }, true);\n defineReactive$$1(vm, '$listeners', options._parentListeners || emptyObject, function () {\n !isUpdatingChildComponent && warn(\"$listeners is readonly.\", vm);\n }, true);\n } else {\n defineReactive$$1(vm, '$attrs', parentData && parentData.attrs || emptyObject, null, true);\n defineReactive$$1(vm, '$listeners', options._parentListeners || emptyObject, null, true);\n }\n}\n\nvar currentRenderingInstance = null;\n\nfunction renderMixin (Vue) {\n // install runtime convenience helpers\n installRenderHelpers(Vue.prototype);\n\n Vue.prototype.$nextTick = function (fn) {\n return nextTick(fn, this)\n };\n\n Vue.prototype._render = function () {\n var vm = this;\n var ref = vm.$options;\n var render = ref.render;\n var _parentVnode = ref._parentVnode;\n\n if (_parentVnode) {\n vm.$scopedSlots = normalizeScopedSlots(\n _parentVnode.data.scopedSlots,\n vm.$slots,\n vm.$scopedSlots\n );\n }\n\n // set parent vnode. this allows render functions to have access\n // to the data on the placeholder node.\n vm.$vnode = _parentVnode;\n // render self\n var vnode;\n try {\n // There's no need to maintain a stack because all render fns are called\n // separately from one another. Nested component's render fns are called\n // when parent component is patched.\n currentRenderingInstance = vm;\n vnode = render.call(vm._renderProxy, vm.$createElement);\n } catch (e) {\n handleError(e, vm, \"render\");\n // return error render result,\n // or previous vnode to prevent render error causing blank component\n /* istanbul ignore else */\n if (process.env.NODE_ENV !== 'production' && vm.$options.renderError) {\n try {\n vnode = vm.$options.renderError.call(vm._renderProxy, vm.$createElement, e);\n } catch (e) {\n handleError(e, vm, \"renderError\");\n vnode = vm._vnode;\n }\n } else {\n vnode = vm._vnode;\n }\n } finally {\n currentRenderingInstance = null;\n }\n // if the returned array contains only a single node, allow it\n if (Array.isArray(vnode) && vnode.length === 1) {\n vnode = vnode[0];\n }\n // return empty vnode in case the render function errored out\n if (!(vnode instanceof VNode)) {\n if (process.env.NODE_ENV !== 'production' && Array.isArray(vnode)) {\n warn(\n 'Multiple root nodes returned from render function. Render function ' +\n 'should return a single root node.',\n vm\n );\n }\n vnode = createEmptyVNode();\n }\n // set parent\n vnode.parent = _parentVnode;\n return vnode\n };\n}\n\n/* */\n\nfunction ensureCtor (comp, base) {\n if (\n comp.__esModule ||\n (hasSymbol && comp[Symbol.toStringTag] === 'Module')\n ) {\n comp = comp.default;\n }\n return isObject(comp)\n ? base.extend(comp)\n : comp\n}\n\nfunction createAsyncPlaceholder (\n factory,\n data,\n context,\n children,\n tag\n) {\n var node = createEmptyVNode();\n node.asyncFactory = factory;\n node.asyncMeta = { data: data, context: context, children: children, tag: tag };\n return node\n}\n\nfunction resolveAsyncComponent (\n factory,\n baseCtor\n) {\n if (isTrue(factory.error) && isDef(factory.errorComp)) {\n return factory.errorComp\n }\n\n if (isDef(factory.resolved)) {\n return factory.resolved\n }\n\n var owner = currentRenderingInstance;\n if (owner && isDef(factory.owners) && factory.owners.indexOf(owner) === -1) {\n // already pending\n factory.owners.push(owner);\n }\n\n if (isTrue(factory.loading) && isDef(factory.loadingComp)) {\n return factory.loadingComp\n }\n\n if (owner && !isDef(factory.owners)) {\n var owners = factory.owners = [owner];\n var sync = true;\n var timerLoading = null;\n var timerTimeout = null\n\n ;(owner).$on('hook:destroyed', function () { return remove(owners, owner); });\n\n var forceRender = function (renderCompleted) {\n for (var i = 0, l = owners.length; i < l; i++) {\n (owners[i]).$forceUpdate();\n }\n\n if (renderCompleted) {\n owners.length = 0;\n if (timerLoading !== null) {\n clearTimeout(timerLoading);\n timerLoading = null;\n }\n if (timerTimeout !== null) {\n clearTimeout(timerTimeout);\n timerTimeout = null;\n }\n }\n };\n\n var resolve = once(function (res) {\n // cache resolved\n factory.resolved = ensureCtor(res, baseCtor);\n // invoke callbacks only if this is not a synchronous resolve\n // (async resolves are shimmed as synchronous during SSR)\n if (!sync) {\n forceRender(true);\n } else {\n owners.length = 0;\n }\n });\n\n var reject = once(function (reason) {\n process.env.NODE_ENV !== 'production' && warn(\n \"Failed to resolve async component: \" + (String(factory)) +\n (reason ? (\"\\nReason: \" + reason) : '')\n );\n if (isDef(factory.errorComp)) {\n factory.error = true;\n forceRender(true);\n }\n });\n\n var res = factory(resolve, reject);\n\n if (isObject(res)) {\n if (isPromise(res)) {\n // () => Promise\n if (isUndef(factory.resolved)) {\n res.then(resolve, reject);\n }\n } else if (isPromise(res.component)) {\n res.component.then(resolve, reject);\n\n if (isDef(res.error)) {\n factory.errorComp = ensureCtor(res.error, baseCtor);\n }\n\n if (isDef(res.loading)) {\n factory.loadingComp = ensureCtor(res.loading, baseCtor);\n if (res.delay === 0) {\n factory.loading = true;\n } else {\n timerLoading = setTimeout(function () {\n timerLoading = null;\n if (isUndef(factory.resolved) && isUndef(factory.error)) {\n factory.loading = true;\n forceRender(false);\n }\n }, res.delay || 200);\n }\n }\n\n if (isDef(res.timeout)) {\n timerTimeout = setTimeout(function () {\n timerTimeout = null;\n if (isUndef(factory.resolved)) {\n reject(\n process.env.NODE_ENV !== 'production'\n ? (\"timeout (\" + (res.timeout) + \"ms)\")\n : null\n );\n }\n }, res.timeout);\n }\n }\n }\n\n sync = false;\n // return in case resolved synchronously\n return factory.loading\n ? factory.loadingComp\n : factory.resolved\n }\n}\n\n/* */\n\nfunction isAsyncPlaceholder (node) {\n return node.isComment && node.asyncFactory\n}\n\n/* */\n\nfunction getFirstComponentChild (children) {\n if (Array.isArray(children)) {\n for (var i = 0; i < children.length; i++) {\n var c = children[i];\n if (isDef(c) && (isDef(c.componentOptions) || isAsyncPlaceholder(c))) {\n return c\n }\n }\n }\n}\n\n/* */\n\n/* */\n\nfunction initEvents (vm) {\n vm._events = Object.create(null);\n vm._hasHookEvent = false;\n // init parent attached events\n var listeners = vm.$options._parentListeners;\n if (listeners) {\n updateComponentListeners(vm, listeners);\n }\n}\n\nvar target;\n\nfunction add (event, fn) {\n target.$on(event, fn);\n}\n\nfunction remove$1 (event, fn) {\n target.$off(event, fn);\n}\n\nfunction createOnceHandler (event, fn) {\n var _target = target;\n return function onceHandler () {\n var res = fn.apply(null, arguments);\n if (res !== null) {\n _target.$off(event, onceHandler);\n }\n }\n}\n\nfunction updateComponentListeners (\n vm,\n listeners,\n oldListeners\n) {\n target = vm;\n updateListeners(listeners, oldListeners || {}, add, remove$1, createOnceHandler, vm);\n target = undefined;\n}\n\nfunction eventsMixin (Vue) {\n var hookRE = /^hook:/;\n Vue.prototype.$on = function (event, fn) {\n var vm = this;\n if (Array.isArray(event)) {\n for (var i = 0, l = event.length; i < l; i++) {\n vm.$on(event[i], fn);\n }\n } else {\n (vm._events[event] || (vm._events[event] = [])).push(fn);\n // optimize hook:event cost by using a boolean flag marked at registration\n // instead of a hash lookup\n if (hookRE.test(event)) {\n vm._hasHookEvent = true;\n }\n }\n return vm\n };\n\n Vue.prototype.$once = function (event, fn) {\n var vm = this;\n function on () {\n vm.$off(event, on);\n fn.apply(vm, arguments);\n }\n on.fn = fn;\n vm.$on(event, on);\n return vm\n };\n\n Vue.prototype.$off = function (event, fn) {\n var vm = this;\n // all\n if (!arguments.length) {\n vm._events = Object.create(null);\n return vm\n }\n // array of events\n if (Array.isArray(event)) {\n for (var i$1 = 0, l = event.length; i$1 < l; i$1++) {\n vm.$off(event[i$1], fn);\n }\n return vm\n }\n // specific event\n var cbs = vm._events[event];\n if (!cbs) {\n return vm\n }\n if (!fn) {\n vm._events[event] = null;\n return vm\n }\n // specific handler\n var cb;\n var i = cbs.length;\n while (i--) {\n cb = cbs[i];\n if (cb === fn || cb.fn === fn) {\n cbs.splice(i, 1);\n break\n }\n }\n return vm\n };\n\n Vue.prototype.$emit = function (event) {\n var vm = this;\n if (process.env.NODE_ENV !== 'production') {\n var lowerCaseEvent = event.toLowerCase();\n if (lowerCaseEvent !== event && vm._events[lowerCaseEvent]) {\n tip(\n \"Event \\\"\" + lowerCaseEvent + \"\\\" is emitted in component \" +\n (formatComponentName(vm)) + \" but the handler is registered for \\\"\" + event + \"\\\". \" +\n \"Note that HTML attributes are case-insensitive and you cannot use \" +\n \"v-on to listen to camelCase events when using in-DOM templates. \" +\n \"You should probably use \\\"\" + (hyphenate(event)) + \"\\\" instead of \\\"\" + event + \"\\\".\"\n );\n }\n }\n var cbs = vm._events[event];\n if (cbs) {\n cbs = cbs.length > 1 ? toArray(cbs) : cbs;\n var args = toArray(arguments, 1);\n var info = \"event handler for \\\"\" + event + \"\\\"\";\n for (var i = 0, l = cbs.length; i < l; i++) {\n invokeWithErrorHandling(cbs[i], vm, args, vm, info);\n }\n }\n return vm\n };\n}\n\n/* */\n\nvar activeInstance = null;\nvar isUpdatingChildComponent = false;\n\nfunction setActiveInstance(vm) {\n var prevActiveInstance = activeInstance;\n activeInstance = vm;\n return function () {\n activeInstance = prevActiveInstance;\n }\n}\n\nfunction initLifecycle (vm) {\n var options = vm.$options;\n\n // locate first non-abstract parent\n var parent = options.parent;\n if (parent && !options.abstract) {\n while (parent.$options.abstract && parent.$parent) {\n parent = parent.$parent;\n }\n parent.$children.push(vm);\n }\n\n vm.$parent = parent;\n vm.$root = parent ? parent.$root : vm;\n\n vm.$children = [];\n vm.$refs = {};\n\n vm._watcher = null;\n vm._inactive = null;\n vm._directInactive = false;\n vm._isMounted = false;\n vm._isDestroyed = false;\n vm._isBeingDestroyed = false;\n}\n\nfunction lifecycleMixin (Vue) {\n Vue.prototype._update = function (vnode, hydrating) {\n var vm = this;\n var prevEl = vm.$el;\n var prevVnode = vm._vnode;\n var restoreActiveInstance = setActiveInstance(vm);\n vm._vnode = vnode;\n // Vue.prototype.__patch__ is injected in entry points\n // based on the rendering backend used.\n if (!prevVnode) {\n // initial render\n vm.$el = vm.__patch__(vm.$el, vnode, hydrating, false /* removeOnly */);\n } else {\n // updates\n vm.$el = vm.__patch__(prevVnode, vnode);\n }\n restoreActiveInstance();\n // update __vue__ reference\n if (prevEl) {\n prevEl.__vue__ = null;\n }\n if (vm.$el) {\n vm.$el.__vue__ = vm;\n }\n // if parent is an HOC, update its $el as well\n if (vm.$vnode && vm.$parent && vm.$vnode === vm.$parent._vnode) {\n vm.$parent.$el = vm.$el;\n }\n // updated hook is called by the scheduler to ensure that children are\n // updated in a parent's updated hook.\n };\n\n Vue.prototype.$forceUpdate = function () {\n var vm = this;\n if (vm._watcher) {\n vm._watcher.update();\n }\n };\n\n Vue.prototype.$destroy = function () {\n var vm = this;\n if (vm._isBeingDestroyed) {\n return\n }\n callHook(vm, 'beforeDestroy');\n vm._isBeingDestroyed = true;\n // remove self from parent\n var parent = vm.$parent;\n if (parent && !parent._isBeingDestroyed && !vm.$options.abstract) {\n remove(parent.$children, vm);\n }\n // teardown watchers\n if (vm._watcher) {\n vm._watcher.teardown();\n }\n var i = vm._watchers.length;\n while (i--) {\n vm._watchers[i].teardown();\n }\n // remove reference from data ob\n // frozen object may not have observer.\n if (vm._data.__ob__) {\n vm._data.__ob__.vmCount--;\n }\n // call the last hook...\n vm._isDestroyed = true;\n // invoke destroy hooks on current rendered tree\n vm.__patch__(vm._vnode, null);\n // fire destroyed hook\n callHook(vm, 'destroyed');\n // turn off all instance listeners.\n vm.$off();\n // remove __vue__ reference\n if (vm.$el) {\n vm.$el.__vue__ = null;\n }\n // release circular reference (#6759)\n if (vm.$vnode) {\n vm.$vnode.parent = null;\n }\n };\n}\n\nfunction mountComponent (\n vm,\n el,\n hydrating\n) {\n vm.$el = el;\n if (!vm.$options.render) {\n vm.$options.render = createEmptyVNode;\n if (process.env.NODE_ENV !== 'production') {\n /* istanbul ignore if */\n if ((vm.$options.template && vm.$options.template.charAt(0) !== '#') ||\n vm.$options.el || el) {\n warn(\n 'You are using the runtime-only build of Vue where the template ' +\n 'compiler is not available. Either pre-compile the templates into ' +\n 'render functions, or use the compiler-included build.',\n vm\n );\n } else {\n warn(\n 'Failed to mount component: template or render function not defined.',\n vm\n );\n }\n }\n }\n callHook(vm, 'beforeMount');\n\n var updateComponent;\n /* istanbul ignore if */\n if (process.env.NODE_ENV !== 'production' && config.performance && mark) {\n updateComponent = function () {\n var name = vm._name;\n var id = vm._uid;\n var startTag = \"vue-perf-start:\" + id;\n var endTag = \"vue-perf-end:\" + id;\n\n mark(startTag);\n var vnode = vm._render();\n mark(endTag);\n measure((\"vue \" + name + \" render\"), startTag, endTag);\n\n mark(startTag);\n vm._update(vnode, hydrating);\n mark(endTag);\n measure((\"vue \" + name + \" patch\"), startTag, endTag);\n };\n } else {\n updateComponent = function () {\n vm._update(vm._render(), hydrating);\n };\n }\n\n // we set this to vm._watcher inside the watcher's constructor\n // since the watcher's initial patch may call $forceUpdate (e.g. inside child\n // component's mounted hook), which relies on vm._watcher being already defined\n new Watcher(vm, updateComponent, noop, {\n before: function before () {\n if (vm._isMounted && !vm._isDestroyed) {\n callHook(vm, 'beforeUpdate');\n }\n }\n }, true /* isRenderWatcher */);\n hydrating = false;\n\n // manually mounted instance, call mounted on self\n // mounted is called for render-created child components in its inserted hook\n if (vm.$vnode == null) {\n vm._isMounted = true;\n callHook(vm, 'mounted');\n }\n return vm\n}\n\nfunction updateChildComponent (\n vm,\n propsData,\n listeners,\n parentVnode,\n renderChildren\n) {\n if (process.env.NODE_ENV !== 'production') {\n isUpdatingChildComponent = true;\n }\n\n // determine whether component has slot children\n // we need to do this before overwriting $options._renderChildren.\n\n // check if there are dynamic scopedSlots (hand-written or compiled but with\n // dynamic slot names). Static scoped slots compiled from template has the\n // \"$stable\" marker.\n var newScopedSlots = parentVnode.data.scopedSlots;\n var oldScopedSlots = vm.$scopedSlots;\n var hasDynamicScopedSlot = !!(\n (newScopedSlots && !newScopedSlots.$stable) ||\n (oldScopedSlots !== emptyObject && !oldScopedSlots.$stable) ||\n (newScopedSlots && vm.$scopedSlots.$key !== newScopedSlots.$key)\n );\n\n // Any static slot children from the parent may have changed during parent's\n // update. Dynamic scoped slots may also have changed. In such cases, a forced\n // update is necessary to ensure correctness.\n var needsForceUpdate = !!(\n renderChildren || // has new static slots\n vm.$options._renderChildren || // has old static slots\n hasDynamicScopedSlot\n );\n\n vm.$options._parentVnode = parentVnode;\n vm.$vnode = parentVnode; // update vm's placeholder node without re-render\n\n if (vm._vnode) { // update child tree's parent\n vm._vnode.parent = parentVnode;\n }\n vm.$options._renderChildren = renderChildren;\n\n // update $attrs and $listeners hash\n // these are also reactive so they may trigger child update if the child\n // used them during render\n vm.$attrs = parentVnode.data.attrs || emptyObject;\n vm.$listeners = listeners || emptyObject;\n\n // update props\n if (propsData && vm.$options.props) {\n toggleObserving(false);\n var props = vm._props;\n var propKeys = vm.$options._propKeys || [];\n for (var i = 0; i < propKeys.length; i++) {\n var key = propKeys[i];\n var propOptions = vm.$options.props; // wtf flow?\n props[key] = validateProp(key, propOptions, propsData, vm);\n }\n toggleObserving(true);\n // keep a copy of raw propsData\n vm.$options.propsData = propsData;\n }\n\n // update listeners\n listeners = listeners || emptyObject;\n var oldListeners = vm.$options._parentListeners;\n vm.$options._parentListeners = listeners;\n updateComponentListeners(vm, listeners, oldListeners);\n\n // resolve slots + force update if has children\n if (needsForceUpdate) {\n vm.$slots = resolveSlots(renderChildren, parentVnode.context);\n vm.$forceUpdate();\n }\n\n if (process.env.NODE_ENV !== 'production') {\n isUpdatingChildComponent = false;\n }\n}\n\nfunction isInInactiveTree (vm) {\n while (vm && (vm = vm.$parent)) {\n if (vm._inactive) { return true }\n }\n return false\n}\n\nfunction activateChildComponent (vm, direct) {\n if (direct) {\n vm._directInactive = false;\n if (isInInactiveTree(vm)) {\n return\n }\n } else if (vm._directInactive) {\n return\n }\n if (vm._inactive || vm._inactive === null) {\n vm._inactive = false;\n for (var i = 0; i < vm.$children.length; i++) {\n activateChildComponent(vm.$children[i]);\n }\n callHook(vm, 'activated');\n }\n}\n\nfunction deactivateChildComponent (vm, direct) {\n if (direct) {\n vm._directInactive = true;\n if (isInInactiveTree(vm)) {\n return\n }\n }\n if (!vm._inactive) {\n vm._inactive = true;\n for (var i = 0; i < vm.$children.length; i++) {\n deactivateChildComponent(vm.$children[i]);\n }\n callHook(vm, 'deactivated');\n }\n}\n\nfunction callHook (vm, hook) {\n // #7573 disable dep collection when invoking lifecycle hooks\n pushTarget();\n var handlers = vm.$options[hook];\n var info = hook + \" hook\";\n if (handlers) {\n for (var i = 0, j = handlers.length; i < j; i++) {\n invokeWithErrorHandling(handlers[i], vm, null, vm, info);\n }\n }\n if (vm._hasHookEvent) {\n vm.$emit('hook:' + hook);\n }\n popTarget();\n}\n\n/* */\n\nvar MAX_UPDATE_COUNT = 100;\n\nvar queue = [];\nvar activatedChildren = [];\nvar has = {};\nvar circular = {};\nvar waiting = false;\nvar flushing = false;\nvar index = 0;\n\n/**\n * Reset the scheduler's state.\n */\nfunction resetSchedulerState () {\n index = queue.length = activatedChildren.length = 0;\n has = {};\n if (process.env.NODE_ENV !== 'production') {\n circular = {};\n }\n waiting = flushing = false;\n}\n\n// Async edge case #6566 requires saving the timestamp when event listeners are\n// attached. However, calling performance.now() has a perf overhead especially\n// if the page has thousands of event listeners. Instead, we take a timestamp\n// every time the scheduler flushes and use that for all event listeners\n// attached during that flush.\nvar currentFlushTimestamp = 0;\n\n// Async edge case fix requires storing an event listener's attach timestamp.\nvar getNow = Date.now;\n\n// Determine what event timestamp the browser is using. Annoyingly, the\n// timestamp can either be hi-res (relative to page load) or low-res\n// (relative to UNIX epoch), so in order to compare time we have to use the\n// same timestamp type when saving the flush timestamp.\n// All IE versions use low-res event timestamps, and have problematic clock\n// implementations (#9632)\nif (inBrowser && !isIE) {\n var performance = window.performance;\n if (\n performance &&\n typeof performance.now === 'function' &&\n getNow() > document.createEvent('Event').timeStamp\n ) {\n // if the event timestamp, although evaluated AFTER the Date.now(), is\n // smaller than it, it means the event is using a hi-res timestamp,\n // and we need to use the hi-res version for event listener timestamps as\n // well.\n getNow = function () { return performance.now(); };\n }\n}\n\n/**\n * Flush both queues and run the watchers.\n */\nfunction flushSchedulerQueue () {\n currentFlushTimestamp = getNow();\n flushing = true;\n var watcher, id;\n\n // Sort queue before flush.\n // This ensures that:\n // 1. Components are updated from parent to child. (because parent is always\n // created before the child)\n // 2. A component's user watchers are run before its render watcher (because\n // user watchers are created before the render watcher)\n // 3. If a component is destroyed during a parent component's watcher run,\n // its watchers can be skipped.\n queue.sort(function (a, b) { return a.id - b.id; });\n\n // do not cache length because more watchers might be pushed\n // as we run existing watchers\n for (index = 0; index < queue.length; index++) {\n watcher = queue[index];\n if (watcher.before) {\n watcher.before();\n }\n id = watcher.id;\n has[id] = null;\n watcher.run();\n // in dev build, check and stop circular updates.\n if (process.env.NODE_ENV !== 'production' && has[id] != null) {\n circular[id] = (circular[id] || 0) + 1;\n if (circular[id] > MAX_UPDATE_COUNT) {\n warn(\n 'You may have an infinite update loop ' + (\n watcher.user\n ? (\"in watcher with expression \\\"\" + (watcher.expression) + \"\\\"\")\n : \"in a component render function.\"\n ),\n watcher.vm\n );\n break\n }\n }\n }\n\n // keep copies of post queues before resetting state\n var activatedQueue = activatedChildren.slice();\n var updatedQueue = queue.slice();\n\n resetSchedulerState();\n\n // call component updated and activated hooks\n callActivatedHooks(activatedQueue);\n callUpdatedHooks(updatedQueue);\n\n // devtool hook\n /* istanbul ignore if */\n if (devtools && config.devtools) {\n devtools.emit('flush');\n }\n}\n\nfunction callUpdatedHooks (queue) {\n var i = queue.length;\n while (i--) {\n var watcher = queue[i];\n var vm = watcher.vm;\n if (vm._watcher === watcher && vm._isMounted && !vm._isDestroyed) {\n callHook(vm, 'updated');\n }\n }\n}\n\n/**\n * Queue a kept-alive component that was activated during patch.\n * The queue will be processed after the entire tree has been patched.\n */\nfunction queueActivatedComponent (vm) {\n // setting _inactive to false here so that a render function can\n // rely on checking whether it's in an inactive tree (e.g. router-view)\n vm._inactive = false;\n activatedChildren.push(vm);\n}\n\nfunction callActivatedHooks (queue) {\n for (var i = 0; i < queue.length; i++) {\n queue[i]._inactive = true;\n activateChildComponent(queue[i], true /* true */);\n }\n}\n\n/**\n * Push a watcher into the watcher queue.\n * Jobs with duplicate IDs will be skipped unless it's\n * pushed when the queue is being flushed.\n */\nfunction queueWatcher (watcher) {\n var id = watcher.id;\n if (has[id] == null) {\n has[id] = true;\n if (!flushing) {\n queue.push(watcher);\n } else {\n // if already flushing, splice the watcher based on its id\n // if already past its id, it will be run next immediately.\n var i = queue.length - 1;\n while (i > index && queue[i].id > watcher.id) {\n i--;\n }\n queue.splice(i + 1, 0, watcher);\n }\n // queue the flush\n if (!waiting) {\n waiting = true;\n\n if (process.env.NODE_ENV !== 'production' && !config.async) {\n flushSchedulerQueue();\n return\n }\n nextTick(flushSchedulerQueue);\n }\n }\n}\n\n/* */\n\n\n\nvar uid$2 = 0;\n\n/**\n * A watcher parses an expression, collects dependencies,\n * and fires callback when the expression value changes.\n * This is used for both the $watch() api and directives.\n */\nvar Watcher = function Watcher (\n vm,\n expOrFn,\n cb,\n options,\n isRenderWatcher\n) {\n this.vm = vm;\n if (isRenderWatcher) {\n vm._watcher = this;\n }\n vm._watchers.push(this);\n // options\n if (options) {\n this.deep = !!options.deep;\n this.user = !!options.user;\n this.lazy = !!options.lazy;\n this.sync = !!options.sync;\n this.before = options.before;\n } else {\n this.deep = this.user = this.lazy = this.sync = false;\n }\n this.cb = cb;\n this.id = ++uid$2; // uid for batching\n this.active = true;\n this.dirty = this.lazy; // for lazy watchers\n this.deps = [];\n this.newDeps = [];\n this.depIds = new _Set();\n this.newDepIds = new _Set();\n this.expression = process.env.NODE_ENV !== 'production'\n ? expOrFn.toString()\n : '';\n // parse expression for getter\n if (typeof expOrFn === 'function') {\n this.getter = expOrFn;\n } else {\n this.getter = parsePath(expOrFn);\n if (!this.getter) {\n this.getter = noop;\n process.env.NODE_ENV !== 'production' && warn(\n \"Failed watching path: \\\"\" + expOrFn + \"\\\" \" +\n 'Watcher only accepts simple dot-delimited paths. ' +\n 'For full control, use a function instead.',\n vm\n );\n }\n }\n this.value = this.lazy\n ? undefined\n : this.get();\n};\n\n/**\n * Evaluate the getter, and re-collect dependencies.\n */\nWatcher.prototype.get = function get () {\n pushTarget(this);\n var value;\n var vm = this.vm;\n try {\n value = this.getter.call(vm, vm);\n } catch (e) {\n if (this.user) {\n handleError(e, vm, (\"getter for watcher \\\"\" + (this.expression) + \"\\\"\"));\n } else {\n throw e\n }\n } finally {\n // \"touch\" every property so they are all tracked as\n // dependencies for deep watching\n if (this.deep) {\n traverse(value);\n }\n popTarget();\n this.cleanupDeps();\n }\n return value\n};\n\n/**\n * Add a dependency to this directive.\n */\nWatcher.prototype.addDep = function addDep (dep) {\n var id = dep.id;\n if (!this.newDepIds.has(id)) {\n this.newDepIds.add(id);\n this.newDeps.push(dep);\n if (!this.depIds.has(id)) {\n dep.addSub(this);\n }\n }\n};\n\n/**\n * Clean up for dependency collection.\n */\nWatcher.prototype.cleanupDeps = function cleanupDeps () {\n var i = this.deps.length;\n while (i--) {\n var dep = this.deps[i];\n if (!this.newDepIds.has(dep.id)) {\n dep.removeSub(this);\n }\n }\n var tmp = this.depIds;\n this.depIds = this.newDepIds;\n this.newDepIds = tmp;\n this.newDepIds.clear();\n tmp = this.deps;\n this.deps = this.newDeps;\n this.newDeps = tmp;\n this.newDeps.length = 0;\n};\n\n/**\n * Subscriber interface.\n * Will be called when a dependency changes.\n */\nWatcher.prototype.update = function update () {\n /* istanbul ignore else */\n if (this.lazy) {\n this.dirty = true;\n } else if (this.sync) {\n this.run();\n } else {\n queueWatcher(this);\n }\n};\n\n/**\n * Scheduler job interface.\n * Will be called by the scheduler.\n */\nWatcher.prototype.run = function run () {\n if (this.active) {\n var value = this.get();\n if (\n value !== this.value ||\n // Deep watchers and watchers on Object/Arrays should fire even\n // when the value is the same, because the value may\n // have mutated.\n isObject(value) ||\n this.deep\n ) {\n // set new value\n var oldValue = this.value;\n this.value = value;\n if (this.user) {\n try {\n this.cb.call(this.vm, value, oldValue);\n } catch (e) {\n handleError(e, this.vm, (\"callback for watcher \\\"\" + (this.expression) + \"\\\"\"));\n }\n } else {\n this.cb.call(this.vm, value, oldValue);\n }\n }\n }\n};\n\n/**\n * Evaluate the value of the watcher.\n * This only gets called for lazy watchers.\n */\nWatcher.prototype.evaluate = function evaluate () {\n this.value = this.get();\n this.dirty = false;\n};\n\n/**\n * Depend on all deps collected by this watcher.\n */\nWatcher.prototype.depend = function depend () {\n var i = this.deps.length;\n while (i--) {\n this.deps[i].depend();\n }\n};\n\n/**\n * Remove self from all dependencies' subscriber list.\n */\nWatcher.prototype.teardown = function teardown () {\n if (this.active) {\n // remove self from vm's watcher list\n // this is a somewhat expensive operation so we skip it\n // if the vm is being destroyed.\n if (!this.vm._isBeingDestroyed) {\n remove(this.vm._watchers, this);\n }\n var i = this.deps.length;\n while (i--) {\n this.deps[i].removeSub(this);\n }\n this.active = false;\n }\n};\n\n/* */\n\nvar sharedPropertyDefinition = {\n enumerable: true,\n configurable: true,\n get: noop,\n set: noop\n};\n\nfunction proxy (target, sourceKey, key) {\n sharedPropertyDefinition.get = function proxyGetter () {\n return this[sourceKey][key]\n };\n sharedPropertyDefinition.set = function proxySetter (val) {\n this[sourceKey][key] = val;\n };\n Object.defineProperty(target, key, sharedPropertyDefinition);\n}\n\nfunction initState (vm) {\n vm._watchers = [];\n var opts = vm.$options;\n if (opts.props) { initProps(vm, opts.props); }\n if (opts.methods) { initMethods(vm, opts.methods); }\n if (opts.data) {\n initData(vm);\n } else {\n observe(vm._data = {}, true /* asRootData */);\n }\n if (opts.computed) { initComputed(vm, opts.computed); }\n if (opts.watch && opts.watch !== nativeWatch) {\n initWatch(vm, opts.watch);\n }\n}\n\nfunction initProps (vm, propsOptions) {\n var propsData = vm.$options.propsData || {};\n var props = vm._props = {};\n // cache prop keys so that future props updates can iterate using Array\n // instead of dynamic object key enumeration.\n var keys = vm.$options._propKeys = [];\n var isRoot = !vm.$parent;\n // root instance props should be converted\n if (!isRoot) {\n toggleObserving(false);\n }\n var loop = function ( key ) {\n keys.push(key);\n var value = validateProp(key, propsOptions, propsData, vm);\n /* istanbul ignore else */\n if (process.env.NODE_ENV !== 'production') {\n var hyphenatedKey = hyphenate(key);\n if (isReservedAttribute(hyphenatedKey) ||\n config.isReservedAttr(hyphenatedKey)) {\n warn(\n (\"\\\"\" + hyphenatedKey + \"\\\" is a reserved attribute and cannot be used as component prop.\"),\n vm\n );\n }\n defineReactive$$1(props, key, value, function () {\n if (!isRoot && !isUpdatingChildComponent) {\n warn(\n \"Avoid mutating a prop directly since the value will be \" +\n \"overwritten whenever the parent component re-renders. \" +\n \"Instead, use a data or computed property based on the prop's \" +\n \"value. Prop being mutated: \\\"\" + key + \"\\\"\",\n vm\n );\n }\n });\n } else {\n defineReactive$$1(props, key, value);\n }\n // static props are already proxied on the component's prototype\n // during Vue.extend(). We only need to proxy props defined at\n // instantiation here.\n if (!(key in vm)) {\n proxy(vm, \"_props\", key);\n }\n };\n\n for (var key in propsOptions) loop( key );\n toggleObserving(true);\n}\n\nfunction initData (vm) {\n var data = vm.$options.data;\n data = vm._data = typeof data === 'function'\n ? getData(data, vm)\n : data || {};\n if (!isPlainObject(data)) {\n data = {};\n process.env.NODE_ENV !== 'production' && warn(\n 'data functions should return an object:\\n' +\n 'https://vuejs.org/v2/guide/components.html#data-Must-Be-a-Function',\n vm\n );\n }\n // proxy data on instance\n var keys = Object.keys(data);\n var props = vm.$options.props;\n var methods = vm.$options.methods;\n var i = keys.length;\n while (i--) {\n var key = keys[i];\n if (process.env.NODE_ENV !== 'production') {\n if (methods && hasOwn(methods, key)) {\n warn(\n (\"Method \\\"\" + key + \"\\\" has already been defined as a data property.\"),\n vm\n );\n }\n }\n if (props && hasOwn(props, key)) {\n process.env.NODE_ENV !== 'production' && warn(\n \"The data property \\\"\" + key + \"\\\" is already declared as a prop. \" +\n \"Use prop default value instead.\",\n vm\n );\n } else if (!isReserved(key)) {\n proxy(vm, \"_data\", key);\n }\n }\n // observe data\n observe(data, true /* asRootData */);\n}\n\nfunction getData (data, vm) {\n // #7573 disable dep collection when invoking data getters\n pushTarget();\n try {\n return data.call(vm, vm)\n } catch (e) {\n handleError(e, vm, \"data()\");\n return {}\n } finally {\n popTarget();\n }\n}\n\nvar computedWatcherOptions = { lazy: true };\n\nfunction initComputed (vm, computed) {\n // $flow-disable-line\n var watchers = vm._computedWatchers = Object.create(null);\n // computed properties are just getters during SSR\n var isSSR = isServerRendering();\n\n for (var key in computed) {\n var userDef = computed[key];\n var getter = typeof userDef === 'function' ? userDef : userDef.get;\n if (process.env.NODE_ENV !== 'production' && getter == null) {\n warn(\n (\"Getter is missing for computed property \\\"\" + key + \"\\\".\"),\n vm\n );\n }\n\n if (!isSSR) {\n // create internal watcher for the computed property.\n watchers[key] = new Watcher(\n vm,\n getter || noop,\n noop,\n computedWatcherOptions\n );\n }\n\n // component-defined computed properties are already defined on the\n // component prototype. We only need to define computed properties defined\n // at instantiation here.\n if (!(key in vm)) {\n defineComputed(vm, key, userDef);\n } else if (process.env.NODE_ENV !== 'production') {\n if (key in vm.$data) {\n warn((\"The computed property \\\"\" + key + \"\\\" is already defined in data.\"), vm);\n } else if (vm.$options.props && key in vm.$options.props) {\n warn((\"The computed property \\\"\" + key + \"\\\" is already defined as a prop.\"), vm);\n }\n }\n }\n}\n\nfunction defineComputed (\n target,\n key,\n userDef\n) {\n var shouldCache = !isServerRendering();\n if (typeof userDef === 'function') {\n sharedPropertyDefinition.get = shouldCache\n ? createComputedGetter(key)\n : createGetterInvoker(userDef);\n sharedPropertyDefinition.set = noop;\n } else {\n sharedPropertyDefinition.get = userDef.get\n ? shouldCache && userDef.cache !== false\n ? createComputedGetter(key)\n : createGetterInvoker(userDef.get)\n : noop;\n sharedPropertyDefinition.set = userDef.set || noop;\n }\n if (process.env.NODE_ENV !== 'production' &&\n sharedPropertyDefinition.set === noop) {\n sharedPropertyDefinition.set = function () {\n warn(\n (\"Computed property \\\"\" + key + \"\\\" was assigned to but it has no setter.\"),\n this\n );\n };\n }\n Object.defineProperty(target, key, sharedPropertyDefinition);\n}\n\nfunction createComputedGetter (key) {\n return function computedGetter () {\n var watcher = this._computedWatchers && this._computedWatchers[key];\n if (watcher) {\n if (watcher.dirty) {\n watcher.evaluate();\n }\n if (Dep.target) {\n watcher.depend();\n }\n return watcher.value\n }\n }\n}\n\nfunction createGetterInvoker(fn) {\n return function computedGetter () {\n return fn.call(this, this)\n }\n}\n\nfunction initMethods (vm, methods) {\n var props = vm.$options.props;\n for (var key in methods) {\n if (process.env.NODE_ENV !== 'production') {\n if (typeof methods[key] !== 'function') {\n warn(\n \"Method \\\"\" + key + \"\\\" has type \\\"\" + (typeof methods[key]) + \"\\\" in the component definition. \" +\n \"Did you reference the function correctly?\",\n vm\n );\n }\n if (props && hasOwn(props, key)) {\n warn(\n (\"Method \\\"\" + key + \"\\\" has already been defined as a prop.\"),\n vm\n );\n }\n if ((key in vm) && isReserved(key)) {\n warn(\n \"Method \\\"\" + key + \"\\\" conflicts with an existing Vue instance method. \" +\n \"Avoid defining component methods that start with _ or $.\"\n );\n }\n }\n vm[key] = typeof methods[key] !== 'function' ? noop : bind(methods[key], vm);\n }\n}\n\nfunction initWatch (vm, watch) {\n for (var key in watch) {\n var handler = watch[key];\n if (Array.isArray(handler)) {\n for (var i = 0; i < handler.length; i++) {\n createWatcher(vm, key, handler[i]);\n }\n } else {\n createWatcher(vm, key, handler);\n }\n }\n}\n\nfunction createWatcher (\n vm,\n expOrFn,\n handler,\n options\n) {\n if (isPlainObject(handler)) {\n options = handler;\n handler = handler.handler;\n }\n if (typeof handler === 'string') {\n handler = vm[handler];\n }\n return vm.$watch(expOrFn, handler, options)\n}\n\nfunction stateMixin (Vue) {\n // flow somehow has problems with directly declared definition object\n // when using Object.defineProperty, so we have to procedurally build up\n // the object here.\n var dataDef = {};\n dataDef.get = function () { return this._data };\n var propsDef = {};\n propsDef.get = function () { return this._props };\n if (process.env.NODE_ENV !== 'production') {\n dataDef.set = function () {\n warn(\n 'Avoid replacing instance root $data. ' +\n 'Use nested data properties instead.',\n this\n );\n };\n propsDef.set = function () {\n warn(\"$props is readonly.\", this);\n };\n }\n Object.defineProperty(Vue.prototype, '$data', dataDef);\n Object.defineProperty(Vue.prototype, '$props', propsDef);\n\n Vue.prototype.$set = set;\n Vue.prototype.$delete = del;\n\n Vue.prototype.$watch = function (\n expOrFn,\n cb,\n options\n ) {\n var vm = this;\n if (isPlainObject(cb)) {\n return createWatcher(vm, expOrFn, cb, options)\n }\n options = options || {};\n options.user = true;\n var watcher = new Watcher(vm, expOrFn, cb, options);\n if (options.immediate) {\n try {\n cb.call(vm, watcher.value);\n } catch (error) {\n handleError(error, vm, (\"callback for immediate watcher \\\"\" + (watcher.expression) + \"\\\"\"));\n }\n }\n return function unwatchFn () {\n watcher.teardown();\n }\n };\n}\n\n/* */\n\nvar uid$3 = 0;\n\nfunction initMixin (Vue) {\n Vue.prototype._init = function (options) {\n var vm = this;\n // a uid\n vm._uid = uid$3++;\n\n var startTag, endTag;\n /* istanbul ignore if */\n if (process.env.NODE_ENV !== 'production' && config.performance && mark) {\n startTag = \"vue-perf-start:\" + (vm._uid);\n endTag = \"vue-perf-end:\" + (vm._uid);\n mark(startTag);\n }\n\n // a flag to avoid this being observed\n vm._isVue = true;\n // merge options\n if (options && options._isComponent) {\n // optimize internal component instantiation\n // since dynamic options merging is pretty slow, and none of the\n // internal component options needs special treatment.\n initInternalComponent(vm, options);\n } else {\n vm.$options = mergeOptions(\n resolveConstructorOptions(vm.constructor),\n options || {},\n vm\n );\n }\n /* istanbul ignore else */\n if (process.env.NODE_ENV !== 'production') {\n initProxy(vm);\n } else {\n vm._renderProxy = vm;\n }\n // expose real self\n vm._self = vm;\n initLifecycle(vm);\n initEvents(vm);\n initRender(vm);\n callHook(vm, 'beforeCreate');\n initInjections(vm); // resolve injections before data/props\n initState(vm);\n initProvide(vm); // resolve provide after data/props\n callHook(vm, 'created');\n\n /* istanbul ignore if */\n if (process.env.NODE_ENV !== 'production' && config.performance && mark) {\n vm._name = formatComponentName(vm, false);\n mark(endTag);\n measure((\"vue \" + (vm._name) + \" init\"), startTag, endTag);\n }\n\n if (vm.$options.el) {\n vm.$mount(vm.$options.el);\n }\n };\n}\n\nfunction initInternalComponent (vm, options) {\n var opts = vm.$options = Object.create(vm.constructor.options);\n // doing this because it's faster than dynamic enumeration.\n var parentVnode = options._parentVnode;\n opts.parent = options.parent;\n opts._parentVnode = parentVnode;\n\n var vnodeComponentOptions = parentVnode.componentOptions;\n opts.propsData = vnodeComponentOptions.propsData;\n opts._parentListeners = vnodeComponentOptions.listeners;\n opts._renderChildren = vnodeComponentOptions.children;\n opts._componentTag = vnodeComponentOptions.tag;\n\n if (options.render) {\n opts.render = options.render;\n opts.staticRenderFns = options.staticRenderFns;\n }\n}\n\nfunction resolveConstructorOptions (Ctor) {\n var options = Ctor.options;\n if (Ctor.super) {\n var superOptions = resolveConstructorOptions(Ctor.super);\n var cachedSuperOptions = Ctor.superOptions;\n if (superOptions !== cachedSuperOptions) {\n // super option changed,\n // need to resolve new options.\n Ctor.superOptions = superOptions;\n // check if there are any late-modified/attached options (#4976)\n var modifiedOptions = resolveModifiedOptions(Ctor);\n // update base extend options\n if (modifiedOptions) {\n extend(Ctor.extendOptions, modifiedOptions);\n }\n options = Ctor.options = mergeOptions(superOptions, Ctor.extendOptions);\n if (options.name) {\n options.components[options.name] = Ctor;\n }\n }\n }\n return options\n}\n\nfunction resolveModifiedOptions (Ctor) {\n var modified;\n var latest = Ctor.options;\n var sealed = Ctor.sealedOptions;\n for (var key in latest) {\n if (latest[key] !== sealed[key]) {\n if (!modified) { modified = {}; }\n modified[key] = latest[key];\n }\n }\n return modified\n}\n\nfunction Vue (options) {\n if (process.env.NODE_ENV !== 'production' &&\n !(this instanceof Vue)\n ) {\n warn('Vue is a constructor and should be called with the `new` keyword');\n }\n this._init(options);\n}\n\ninitMixin(Vue);\nstateMixin(Vue);\neventsMixin(Vue);\nlifecycleMixin(Vue);\nrenderMixin(Vue);\n\n/* */\n\nfunction initUse (Vue) {\n Vue.use = function (plugin) {\n var installedPlugins = (this._installedPlugins || (this._installedPlugins = []));\n if (installedPlugins.indexOf(plugin) > -1) {\n return this\n }\n\n // additional parameters\n var args = toArray(arguments, 1);\n args.unshift(this);\n if (typeof plugin.install === 'function') {\n plugin.install.apply(plugin, args);\n } else if (typeof plugin === 'function') {\n plugin.apply(null, args);\n }\n installedPlugins.push(plugin);\n return this\n };\n}\n\n/* */\n\nfunction initMixin$1 (Vue) {\n Vue.mixin = function (mixin) {\n this.options = mergeOptions(this.options, mixin);\n return this\n };\n}\n\n/* */\n\nfunction initExtend (Vue) {\n /**\n * Each instance constructor, including Vue, has a unique\n * cid. This enables us to create wrapped \"child\n * constructors\" for prototypal inheritance and cache them.\n */\n Vue.cid = 0;\n var cid = 1;\n\n /**\n * Class inheritance\n */\n Vue.extend = function (extendOptions) {\n extendOptions = extendOptions || {};\n var Super = this;\n var SuperId = Super.cid;\n var cachedCtors = extendOptions._Ctor || (extendOptions._Ctor = {});\n if (cachedCtors[SuperId]) {\n return cachedCtors[SuperId]\n }\n\n var name = extendOptions.name || Super.options.name;\n if (process.env.NODE_ENV !== 'production' && name) {\n validateComponentName(name);\n }\n\n var Sub = function VueComponent (options) {\n this._init(options);\n };\n Sub.prototype = Object.create(Super.prototype);\n Sub.prototype.constructor = Sub;\n Sub.cid = cid++;\n Sub.options = mergeOptions(\n Super.options,\n extendOptions\n );\n Sub['super'] = Super;\n\n // For props and computed properties, we define the proxy getters on\n // the Vue instances at extension time, on the extended prototype. This\n // avoids Object.defineProperty calls for each instance created.\n if (Sub.options.props) {\n initProps$1(Sub);\n }\n if (Sub.options.computed) {\n initComputed$1(Sub);\n }\n\n // allow further extension/mixin/plugin usage\n Sub.extend = Super.extend;\n Sub.mixin = Super.mixin;\n Sub.use = Super.use;\n\n // create asset registers, so extended classes\n // can have their private assets too.\n ASSET_TYPES.forEach(function (type) {\n Sub[type] = Super[type];\n });\n // enable recursive self-lookup\n if (name) {\n Sub.options.components[name] = Sub;\n }\n\n // keep a reference to the super options at extension time.\n // later at instantiation we can check if Super's options have\n // been updated.\n Sub.superOptions = Super.options;\n Sub.extendOptions = extendOptions;\n Sub.sealedOptions = extend({}, Sub.options);\n\n // cache constructor\n cachedCtors[SuperId] = Sub;\n return Sub\n };\n}\n\nfunction initProps$1 (Comp) {\n var props = Comp.options.props;\n for (var key in props) {\n proxy(Comp.prototype, \"_props\", key);\n }\n}\n\nfunction initComputed$1 (Comp) {\n var computed = Comp.options.computed;\n for (var key in computed) {\n defineComputed(Comp.prototype, key, computed[key]);\n }\n}\n\n/* */\n\nfunction initAssetRegisters (Vue) {\n /**\n * Create asset registration methods.\n */\n ASSET_TYPES.forEach(function (type) {\n Vue[type] = function (\n id,\n definition\n ) {\n if (!definition) {\n return this.options[type + 's'][id]\n } else {\n /* istanbul ignore if */\n if (process.env.NODE_ENV !== 'production' && type === 'component') {\n validateComponentName(id);\n }\n if (type === 'component' && isPlainObject(definition)) {\n definition.name = definition.name || id;\n definition = this.options._base.extend(definition);\n }\n if (type === 'directive' && typeof definition === 'function') {\n definition = { bind: definition, update: definition };\n }\n this.options[type + 's'][id] = definition;\n return definition\n }\n };\n });\n}\n\n/* */\n\n\n\nfunction getComponentName (opts) {\n return opts && (opts.Ctor.options.name || opts.tag)\n}\n\nfunction matches (pattern, name) {\n if (Array.isArray(pattern)) {\n return pattern.indexOf(name) > -1\n } else if (typeof pattern === 'string') {\n return pattern.split(',').indexOf(name) > -1\n } else if (isRegExp(pattern)) {\n return pattern.test(name)\n }\n /* istanbul ignore next */\n return false\n}\n\nfunction pruneCache (keepAliveInstance, filter) {\n var cache = keepAliveInstance.cache;\n var keys = keepAliveInstance.keys;\n var _vnode = keepAliveInstance._vnode;\n for (var key in cache) {\n var cachedNode = cache[key];\n if (cachedNode) {\n var name = getComponentName(cachedNode.componentOptions);\n if (name && !filter(name)) {\n pruneCacheEntry(cache, key, keys, _vnode);\n }\n }\n }\n}\n\nfunction pruneCacheEntry (\n cache,\n key,\n keys,\n current\n) {\n var cached$$1 = cache[key];\n if (cached$$1 && (!current || cached$$1.tag !== current.tag)) {\n cached$$1.componentInstance.$destroy();\n }\n cache[key] = null;\n remove(keys, key);\n}\n\nvar patternTypes = [String, RegExp, Array];\n\nvar KeepAlive = {\n name: 'keep-alive',\n abstract: true,\n\n props: {\n include: patternTypes,\n exclude: patternTypes,\n max: [String, Number]\n },\n\n created: function created () {\n this.cache = Object.create(null);\n this.keys = [];\n },\n\n destroyed: function destroyed () {\n for (var key in this.cache) {\n pruneCacheEntry(this.cache, key, this.keys);\n }\n },\n\n mounted: function mounted () {\n var this$1 = this;\n\n this.$watch('include', function (val) {\n pruneCache(this$1, function (name) { return matches(val, name); });\n });\n this.$watch('exclude', function (val) {\n pruneCache(this$1, function (name) { return !matches(val, name); });\n });\n },\n\n render: function render () {\n var slot = this.$slots.default;\n var vnode = getFirstComponentChild(slot);\n var componentOptions = vnode && vnode.componentOptions;\n if (componentOptions) {\n // check pattern\n var name = getComponentName(componentOptions);\n var ref = this;\n var include = ref.include;\n var exclude = ref.exclude;\n if (\n // not included\n (include && (!name || !matches(include, name))) ||\n // excluded\n (exclude && name && matches(exclude, name))\n ) {\n return vnode\n }\n\n var ref$1 = this;\n var cache = ref$1.cache;\n var keys = ref$1.keys;\n var key = vnode.key == null\n // same constructor may get registered as different local components\n // so cid alone is not enough (#3269)\n ? componentOptions.Ctor.cid + (componentOptions.tag ? (\"::\" + (componentOptions.tag)) : '')\n : vnode.key;\n if (cache[key]) {\n vnode.componentInstance = cache[key].componentInstance;\n // make current key freshest\n remove(keys, key);\n keys.push(key);\n } else {\n cache[key] = vnode;\n keys.push(key);\n // prune oldest entry\n if (this.max && keys.length > parseInt(this.max)) {\n pruneCacheEntry(cache, keys[0], keys, this._vnode);\n }\n }\n\n vnode.data.keepAlive = true;\n }\n return vnode || (slot && slot[0])\n }\n};\n\nvar builtInComponents = {\n KeepAlive: KeepAlive\n};\n\n/* */\n\nfunction initGlobalAPI (Vue) {\n // config\n var configDef = {};\n configDef.get = function () { return config; };\n if (process.env.NODE_ENV !== 'production') {\n configDef.set = function () {\n warn(\n 'Do not replace the Vue.config object, set individual fields instead.'\n );\n };\n }\n Object.defineProperty(Vue, 'config', configDef);\n\n // exposed util methods.\n // NOTE: these are not considered part of the public API - avoid relying on\n // them unless you are aware of the risk.\n Vue.util = {\n warn: warn,\n extend: extend,\n mergeOptions: mergeOptions,\n defineReactive: defineReactive$$1\n };\n\n Vue.set = set;\n Vue.delete = del;\n Vue.nextTick = nextTick;\n\n // 2.6 explicit observable API\n Vue.observable = function (obj) {\n observe(obj);\n return obj\n };\n\n Vue.options = Object.create(null);\n ASSET_TYPES.forEach(function (type) {\n Vue.options[type + 's'] = Object.create(null);\n });\n\n // this is used to identify the \"base\" constructor to extend all plain-object\n // components with in Weex's multi-instance scenarios.\n Vue.options._base = Vue;\n\n extend(Vue.options.components, builtInComponents);\n\n initUse(Vue);\n initMixin$1(Vue);\n initExtend(Vue);\n initAssetRegisters(Vue);\n}\n\ninitGlobalAPI(Vue);\n\nObject.defineProperty(Vue.prototype, '$isServer', {\n get: isServerRendering\n});\n\nObject.defineProperty(Vue.prototype, '$ssrContext', {\n get: function get () {\n /* istanbul ignore next */\n return this.$vnode && this.$vnode.ssrContext\n }\n});\n\n// expose FunctionalRenderContext for ssr runtime helper installation\nObject.defineProperty(Vue, 'FunctionalRenderContext', {\n value: FunctionalRenderContext\n});\n\nVue.version = '2.6.12';\n\n/* */\n\n// these are reserved for web because they are directly compiled away\n// during template compilation\nvar isReservedAttr = makeMap('style,class');\n\n// attributes that should be using props for binding\nvar acceptValue = makeMap('input,textarea,option,select,progress');\nvar mustUseProp = function (tag, type, attr) {\n return (\n (attr === 'value' && acceptValue(tag)) && type !== 'button' ||\n (attr === 'selected' && tag === 'option') ||\n (attr === 'checked' && tag === 'input') ||\n (attr === 'muted' && tag === 'video')\n )\n};\n\nvar isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck');\n\nvar isValidContentEditableValue = makeMap('events,caret,typing,plaintext-only');\n\nvar convertEnumeratedValue = function (key, value) {\n return isFalsyAttrValue(value) || value === 'false'\n ? 'false'\n // allow arbitrary string value for contenteditable\n : key === 'contenteditable' && isValidContentEditableValue(value)\n ? value\n : 'true'\n};\n\nvar isBooleanAttr = makeMap(\n 'allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,' +\n 'default,defaultchecked,defaultmuted,defaultselected,defer,disabled,' +\n 'enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,' +\n 'muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,' +\n 'required,reversed,scoped,seamless,selected,sortable,translate,' +\n 'truespeed,typemustmatch,visible'\n);\n\nvar xlinkNS = 'http://www.w3.org/1999/xlink';\n\nvar isXlink = function (name) {\n return name.charAt(5) === ':' && name.slice(0, 5) === 'xlink'\n};\n\nvar getXlinkProp = function (name) {\n return isXlink(name) ? name.slice(6, name.length) : ''\n};\n\nvar isFalsyAttrValue = function (val) {\n return val == null || val === false\n};\n\n/* */\n\nfunction genClassForVnode (vnode) {\n var data = vnode.data;\n var parentNode = vnode;\n var childNode = vnode;\n while (isDef(childNode.componentInstance)) {\n childNode = childNode.componentInstance._vnode;\n if (childNode && childNode.data) {\n data = mergeClassData(childNode.data, data);\n }\n }\n while (isDef(parentNode = parentNode.parent)) {\n if (parentNode && parentNode.data) {\n data = mergeClassData(data, parentNode.data);\n }\n }\n return renderClass(data.staticClass, data.class)\n}\n\nfunction mergeClassData (child, parent) {\n return {\n staticClass: concat(child.staticClass, parent.staticClass),\n class: isDef(child.class)\n ? [child.class, parent.class]\n : parent.class\n }\n}\n\nfunction renderClass (\n staticClass,\n dynamicClass\n) {\n if (isDef(staticClass) || isDef(dynamicClass)) {\n return concat(staticClass, stringifyClass(dynamicClass))\n }\n /* istanbul ignore next */\n return ''\n}\n\nfunction concat (a, b) {\n return a ? b ? (a + ' ' + b) : a : (b || '')\n}\n\nfunction stringifyClass (value) {\n if (Array.isArray(value)) {\n return stringifyArray(value)\n }\n if (isObject(value)) {\n return stringifyObject(value)\n }\n if (typeof value === 'string') {\n return value\n }\n /* istanbul ignore next */\n return ''\n}\n\nfunction stringifyArray (value) {\n var res = '';\n var stringified;\n for (var i = 0, l = value.length; i < l; i++) {\n if (isDef(stringified = stringifyClass(value[i])) && stringified !== '') {\n if (res) { res += ' '; }\n res += stringified;\n }\n }\n return res\n}\n\nfunction stringifyObject (value) {\n var res = '';\n for (var key in value) {\n if (value[key]) {\n if (res) { res += ' '; }\n res += key;\n }\n }\n return res\n}\n\n/* */\n\nvar namespaceMap = {\n svg: 'http://www.w3.org/2000/svg',\n math: 'http://www.w3.org/1998/Math/MathML'\n};\n\nvar isHTMLTag = makeMap(\n 'html,body,base,head,link,meta,style,title,' +\n 'address,article,aside,footer,header,h1,h2,h3,h4,h5,h6,hgroup,nav,section,' +\n 'div,dd,dl,dt,figcaption,figure,picture,hr,img,li,main,ol,p,pre,ul,' +\n 'a,b,abbr,bdi,bdo,br,cite,code,data,dfn,em,i,kbd,mark,q,rp,rt,rtc,ruby,' +\n 's,samp,small,span,strong,sub,sup,time,u,var,wbr,area,audio,map,track,video,' +\n 'embed,object,param,source,canvas,script,noscript,del,ins,' +\n 'caption,col,colgroup,table,thead,tbody,td,th,tr,' +\n 'button,datalist,fieldset,form,input,label,legend,meter,optgroup,option,' +\n 'output,progress,select,textarea,' +\n 'details,dialog,menu,menuitem,summary,' +\n 'content,element,shadow,template,blockquote,iframe,tfoot'\n);\n\n// this map is intentionally selective, only covering SVG elements that may\n// contain child elements.\nvar isSVG = makeMap(\n 'svg,animate,circle,clippath,cursor,defs,desc,ellipse,filter,font-face,' +\n 'foreignObject,g,glyph,image,line,marker,mask,missing-glyph,path,pattern,' +\n 'polygon,polyline,rect,switch,symbol,text,textpath,tspan,use,view',\n true\n);\n\nvar isReservedTag = function (tag) {\n return isHTMLTag(tag) || isSVG(tag)\n};\n\nfunction getTagNamespace (tag) {\n if (isSVG(tag)) {\n return 'svg'\n }\n // basic support for MathML\n // note it doesn't support other MathML elements being component roots\n if (tag === 'math') {\n return 'math'\n }\n}\n\nvar unknownElementCache = Object.create(null);\nfunction isUnknownElement (tag) {\n /* istanbul ignore if */\n if (!inBrowser) {\n return true\n }\n if (isReservedTag(tag)) {\n return false\n }\n tag = tag.toLowerCase();\n /* istanbul ignore if */\n if (unknownElementCache[tag] != null) {\n return unknownElementCache[tag]\n }\n var el = document.createElement(tag);\n if (tag.indexOf('-') > -1) {\n // http://stackoverflow.com/a/28210364/1070244\n return (unknownElementCache[tag] = (\n el.constructor === window.HTMLUnknownElement ||\n el.constructor === window.HTMLElement\n ))\n } else {\n return (unknownElementCache[tag] = /HTMLUnknownElement/.test(el.toString()))\n }\n}\n\nvar isTextInputType = makeMap('text,number,password,search,email,tel,url');\n\n/* */\n\n/**\n * Query an element selector if it's not an element already.\n */\nfunction query (el) {\n if (typeof el === 'string') {\n var selected = document.querySelector(el);\n if (!selected) {\n process.env.NODE_ENV !== 'production' && warn(\n 'Cannot find element: ' + el\n );\n return document.createElement('div')\n }\n return selected\n } else {\n return el\n }\n}\n\n/* */\n\nfunction createElement$1 (tagName, vnode) {\n var elm = document.createElement(tagName);\n if (tagName !== 'select') {\n return elm\n }\n // false or null will remove the attribute but undefined will not\n if (vnode.data && vnode.data.attrs && vnode.data.attrs.multiple !== undefined) {\n elm.setAttribute('multiple', 'multiple');\n }\n return elm\n}\n\nfunction createElementNS (namespace, tagName) {\n return document.createElementNS(namespaceMap[namespace], tagName)\n}\n\nfunction createTextNode (text) {\n return document.createTextNode(text)\n}\n\nfunction createComment (text) {\n return document.createComment(text)\n}\n\nfunction insertBefore (parentNode, newNode, referenceNode) {\n parentNode.insertBefore(newNode, referenceNode);\n}\n\nfunction removeChild (node, child) {\n node.removeChild(child);\n}\n\nfunction appendChild (node, child) {\n node.appendChild(child);\n}\n\nfunction parentNode (node) {\n return node.parentNode\n}\n\nfunction nextSibling (node) {\n return node.nextSibling\n}\n\nfunction tagName (node) {\n return node.tagName\n}\n\nfunction setTextContent (node, text) {\n node.textContent = text;\n}\n\nfunction setStyleScope (node, scopeId) {\n node.setAttribute(scopeId, '');\n}\n\nvar nodeOps = /*#__PURE__*/Object.freeze({\n createElement: createElement$1,\n createElementNS: createElementNS,\n createTextNode: createTextNode,\n createComment: createComment,\n insertBefore: insertBefore,\n removeChild: removeChild,\n appendChild: appendChild,\n parentNode: parentNode,\n nextSibling: nextSibling,\n tagName: tagName,\n setTextContent: setTextContent,\n setStyleScope: setStyleScope\n});\n\n/* */\n\nvar ref = {\n create: function create (_, vnode) {\n registerRef(vnode);\n },\n update: function update (oldVnode, vnode) {\n if (oldVnode.data.ref !== vnode.data.ref) {\n registerRef(oldVnode, true);\n registerRef(vnode);\n }\n },\n destroy: function destroy (vnode) {\n registerRef(vnode, true);\n }\n};\n\nfunction registerRef (vnode, isRemoval) {\n var key = vnode.data.ref;\n if (!isDef(key)) { return }\n\n var vm = vnode.context;\n var ref = vnode.componentInstance || vnode.elm;\n var refs = vm.$refs;\n if (isRemoval) {\n if (Array.isArray(refs[key])) {\n remove(refs[key], ref);\n } else if (refs[key] === ref) {\n refs[key] = undefined;\n }\n } else {\n if (vnode.data.refInFor) {\n if (!Array.isArray(refs[key])) {\n refs[key] = [ref];\n } else if (refs[key].indexOf(ref) < 0) {\n // $flow-disable-line\n refs[key].push(ref);\n }\n } else {\n refs[key] = ref;\n }\n }\n}\n\n/**\n * Virtual DOM patching algorithm based on Snabbdom by\n * Simon Friis Vindum (@paldepind)\n * Licensed under the MIT License\n * https://github.com/paldepind/snabbdom/blob/master/LICENSE\n *\n * modified by Evan You (@yyx990803)\n *\n * Not type-checking this because this file is perf-critical and the cost\n * of making flow understand it is not worth it.\n */\n\nvar emptyNode = new VNode('', {}, []);\n\nvar hooks = ['create', 'activate', 'update', 'remove', 'destroy'];\n\nfunction sameVnode (a, b) {\n return (\n a.key === b.key && (\n (\n a.tag === b.tag &&\n a.isComment === b.isComment &&\n isDef(a.data) === isDef(b.data) &&\n sameInputType(a, b)\n ) || (\n isTrue(a.isAsyncPlaceholder) &&\n a.asyncFactory === b.asyncFactory &&\n isUndef(b.asyncFactory.error)\n )\n )\n )\n}\n\nfunction sameInputType (a, b) {\n if (a.tag !== 'input') { return true }\n var i;\n var typeA = isDef(i = a.data) && isDef(i = i.attrs) && i.type;\n var typeB = isDef(i = b.data) && isDef(i = i.attrs) && i.type;\n return typeA === typeB || isTextInputType(typeA) && isTextInputType(typeB)\n}\n\nfunction createKeyToOldIdx (children, beginIdx, endIdx) {\n var i, key;\n var map = {};\n for (i = beginIdx; i <= endIdx; ++i) {\n key = children[i].key;\n if (isDef(key)) { map[key] = i; }\n }\n return map\n}\n\nfunction createPatchFunction (backend) {\n var i, j;\n var cbs = {};\n\n var modules = backend.modules;\n var nodeOps = backend.nodeOps;\n\n for (i = 0; i < hooks.length; ++i) {\n cbs[hooks[i]] = [];\n for (j = 0; j < modules.length; ++j) {\n if (isDef(modules[j][hooks[i]])) {\n cbs[hooks[i]].push(modules[j][hooks[i]]);\n }\n }\n }\n\n function emptyNodeAt (elm) {\n return new VNode(nodeOps.tagName(elm).toLowerCase(), {}, [], undefined, elm)\n }\n\n function createRmCb (childElm, listeners) {\n function remove$$1 () {\n if (--remove$$1.listeners === 0) {\n removeNode(childElm);\n }\n }\n remove$$1.listeners = listeners;\n return remove$$1\n }\n\n function removeNode (el) {\n var parent = nodeOps.parentNode(el);\n // element may have already been removed due to v-html / v-text\n if (isDef(parent)) {\n nodeOps.removeChild(parent, el);\n }\n }\n\n function isUnknownElement$$1 (vnode, inVPre) {\n return (\n !inVPre &&\n !vnode.ns &&\n !(\n config.ignoredElements.length &&\n config.ignoredElements.some(function (ignore) {\n return isRegExp(ignore)\n ? ignore.test(vnode.tag)\n : ignore === vnode.tag\n })\n ) &&\n config.isUnknownElement(vnode.tag)\n )\n }\n\n var creatingElmInVPre = 0;\n\n function createElm (\n vnode,\n insertedVnodeQueue,\n parentElm,\n refElm,\n nested,\n ownerArray,\n index\n ) {\n if (isDef(vnode.elm) && isDef(ownerArray)) {\n // This vnode was used in a previous render!\n // now it's used as a new node, overwriting its elm would cause\n // potential patch errors down the road when it's used as an insertion\n // reference node. Instead, we clone the node on-demand before creating\n // associated DOM element for it.\n vnode = ownerArray[index] = cloneVNode(vnode);\n }\n\n vnode.isRootInsert = !nested; // for transition enter check\n if (createComponent(vnode, insertedVnodeQueue, parentElm, refElm)) {\n return\n }\n\n var data = vnode.data;\n var children = vnode.children;\n var tag = vnode.tag;\n if (isDef(tag)) {\n if (process.env.NODE_ENV !== 'production') {\n if (data && data.pre) {\n creatingElmInVPre++;\n }\n if (isUnknownElement$$1(vnode, creatingElmInVPre)) {\n warn(\n 'Unknown custom element: <' + tag + '> - did you ' +\n 'register the component correctly? For recursive components, ' +\n 'make sure to provide the \"name\" option.',\n vnode.context\n );\n }\n }\n\n vnode.elm = vnode.ns\n ? nodeOps.createElementNS(vnode.ns, tag)\n : nodeOps.createElement(tag, vnode);\n setScope(vnode);\n\n /* istanbul ignore if */\n {\n createChildren(vnode, children, insertedVnodeQueue);\n if (isDef(data)) {\n invokeCreateHooks(vnode, insertedVnodeQueue);\n }\n insert(parentElm, vnode.elm, refElm);\n }\n\n if (process.env.NODE_ENV !== 'production' && data && data.pre) {\n creatingElmInVPre--;\n }\n } else if (isTrue(vnode.isComment)) {\n vnode.elm = nodeOps.createComment(vnode.text);\n insert(parentElm, vnode.elm, refElm);\n } else {\n vnode.elm = nodeOps.createTextNode(vnode.text);\n insert(parentElm, vnode.elm, refElm);\n }\n }\n\n function createComponent (vnode, insertedVnodeQueue, parentElm, refElm) {\n var i = vnode.data;\n if (isDef(i)) {\n var isReactivated = isDef(vnode.componentInstance) && i.keepAlive;\n if (isDef(i = i.hook) && isDef(i = i.init)) {\n i(vnode, false /* hydrating */);\n }\n // after calling the init hook, if the vnode is a child component\n // it should've created a child instance and mounted it. the child\n // component also has set the placeholder vnode's elm.\n // in that case we can just return the element and be done.\n if (isDef(vnode.componentInstance)) {\n initComponent(vnode, insertedVnodeQueue);\n insert(parentElm, vnode.elm, refElm);\n if (isTrue(isReactivated)) {\n reactivateComponent(vnode, insertedVnodeQueue, parentElm, refElm);\n }\n return true\n }\n }\n }\n\n function initComponent (vnode, insertedVnodeQueue) {\n if (isDef(vnode.data.pendingInsert)) {\n insertedVnodeQueue.push.apply(insertedVnodeQueue, vnode.data.pendingInsert);\n vnode.data.pendingInsert = null;\n }\n vnode.elm = vnode.componentInstance.$el;\n if (isPatchable(vnode)) {\n invokeCreateHooks(vnode, insertedVnodeQueue);\n setScope(vnode);\n } else {\n // empty component root.\n // skip all element-related modules except for ref (#3455)\n registerRef(vnode);\n // make sure to invoke the insert hook\n insertedVnodeQueue.push(vnode);\n }\n }\n\n function reactivateComponent (vnode, insertedVnodeQueue, parentElm, refElm) {\n var i;\n // hack for #4339: a reactivated component with inner transition\n // does not trigger because the inner node's created hooks are not called\n // again. It's not ideal to involve module-specific logic in here but\n // there doesn't seem to be a better way to do it.\n var innerNode = vnode;\n while (innerNode.componentInstance) {\n innerNode = innerNode.componentInstance._vnode;\n if (isDef(i = innerNode.data) && isDef(i = i.transition)) {\n for (i = 0; i < cbs.activate.length; ++i) {\n cbs.activate[i](emptyNode, innerNode);\n }\n insertedVnodeQueue.push(innerNode);\n break\n }\n }\n // unlike a newly created component,\n // a reactivated keep-alive component doesn't insert itself\n insert(parentElm, vnode.elm, refElm);\n }\n\n function insert (parent, elm, ref$$1) {\n if (isDef(parent)) {\n if (isDef(ref$$1)) {\n if (nodeOps.parentNode(ref$$1) === parent) {\n nodeOps.insertBefore(parent, elm, ref$$1);\n }\n } else {\n nodeOps.appendChild(parent, elm);\n }\n }\n }\n\n function createChildren (vnode, children, insertedVnodeQueue) {\n if (Array.isArray(children)) {\n if (process.env.NODE_ENV !== 'production') {\n checkDuplicateKeys(children);\n }\n for (var i = 0; i < children.length; ++i) {\n createElm(children[i], insertedVnodeQueue, vnode.elm, null, true, children, i);\n }\n } else if (isPrimitive(vnode.text)) {\n nodeOps.appendChild(vnode.elm, nodeOps.createTextNode(String(vnode.text)));\n }\n }\n\n function isPatchable (vnode) {\n while (vnode.componentInstance) {\n vnode = vnode.componentInstance._vnode;\n }\n return isDef(vnode.tag)\n }\n\n function invokeCreateHooks (vnode, insertedVnodeQueue) {\n for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) {\n cbs.create[i$1](emptyNode, vnode);\n }\n i = vnode.data.hook; // Reuse variable\n if (isDef(i)) {\n if (isDef(i.create)) { i.create(emptyNode, vnode); }\n if (isDef(i.insert)) { insertedVnodeQueue.push(vnode); }\n }\n }\n\n // set scope id attribute for scoped CSS.\n // this is implemented as a special case to avoid the overhead\n // of going through the normal attribute patching process.\n function setScope (vnode) {\n var i;\n if (isDef(i = vnode.fnScopeId)) {\n nodeOps.setStyleScope(vnode.elm, i);\n } else {\n var ancestor = vnode;\n while (ancestor) {\n if (isDef(i = ancestor.context) && isDef(i = i.$options._scopeId)) {\n nodeOps.setStyleScope(vnode.elm, i);\n }\n ancestor = ancestor.parent;\n }\n }\n // for slot content they should also get the scopeId from the host instance.\n if (isDef(i = activeInstance) &&\n i !== vnode.context &&\n i !== vnode.fnContext &&\n isDef(i = i.$options._scopeId)\n ) {\n nodeOps.setStyleScope(vnode.elm, i);\n }\n }\n\n function addVnodes (parentElm, refElm, vnodes, startIdx, endIdx, insertedVnodeQueue) {\n for (; startIdx <= endIdx; ++startIdx) {\n createElm(vnodes[startIdx], insertedVnodeQueue, parentElm, refElm, false, vnodes, startIdx);\n }\n }\n\n function invokeDestroyHook (vnode) {\n var i, j;\n var data = vnode.data;\n if (isDef(data)) {\n if (isDef(i = data.hook) && isDef(i = i.destroy)) { i(vnode); }\n for (i = 0; i < cbs.destroy.length; ++i) { cbs.destroy[i](vnode); }\n }\n if (isDef(i = vnode.children)) {\n for (j = 0; j < vnode.children.length; ++j) {\n invokeDestroyHook(vnode.children[j]);\n }\n }\n }\n\n function removeVnodes (vnodes, startIdx, endIdx) {\n for (; startIdx <= endIdx; ++startIdx) {\n var ch = vnodes[startIdx];\n if (isDef(ch)) {\n if (isDef(ch.tag)) {\n removeAndInvokeRemoveHook(ch);\n invokeDestroyHook(ch);\n } else { // Text node\n removeNode(ch.elm);\n }\n }\n }\n }\n\n function removeAndInvokeRemoveHook (vnode, rm) {\n if (isDef(rm) || isDef(vnode.data)) {\n var i;\n var listeners = cbs.remove.length + 1;\n if (isDef(rm)) {\n // we have a recursively passed down rm callback\n // increase the listeners count\n rm.listeners += listeners;\n } else {\n // directly removing\n rm = createRmCb(vnode.elm, listeners);\n }\n // recursively invoke hooks on child component root node\n if (isDef(i = vnode.componentInstance) && isDef(i = i._vnode) && isDef(i.data)) {\n removeAndInvokeRemoveHook(i, rm);\n }\n for (i = 0; i < cbs.remove.length; ++i) {\n cbs.remove[i](vnode, rm);\n }\n if (isDef(i = vnode.data.hook) && isDef(i = i.remove)) {\n i(vnode, rm);\n } else {\n rm();\n }\n } else {\n removeNode(vnode.elm);\n }\n }\n\n function updateChildren (parentElm, oldCh, newCh, insertedVnodeQueue, removeOnly) {\n var oldStartIdx = 0;\n var newStartIdx = 0;\n var oldEndIdx = oldCh.length - 1;\n var oldStartVnode = oldCh[0];\n var oldEndVnode = oldCh[oldEndIdx];\n var newEndIdx = newCh.length - 1;\n var newStartVnode = newCh[0];\n var newEndVnode = newCh[newEndIdx];\n var oldKeyToIdx, idxInOld, vnodeToMove, refElm;\n\n // removeOnly is a special flag used only by \n // to ensure removed elements stay in correct relative positions\n // during leaving transitions\n var canMove = !removeOnly;\n\n if (process.env.NODE_ENV !== 'production') {\n checkDuplicateKeys(newCh);\n }\n\n while (oldStartIdx <= oldEndIdx && newStartIdx <= newEndIdx) {\n if (isUndef(oldStartVnode)) {\n oldStartVnode = oldCh[++oldStartIdx]; // Vnode has been moved left\n } else if (isUndef(oldEndVnode)) {\n oldEndVnode = oldCh[--oldEndIdx];\n } else if (sameVnode(oldStartVnode, newStartVnode)) {\n patchVnode(oldStartVnode, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);\n oldStartVnode = oldCh[++oldStartIdx];\n newStartVnode = newCh[++newStartIdx];\n } else if (sameVnode(oldEndVnode, newEndVnode)) {\n patchVnode(oldEndVnode, newEndVnode, insertedVnodeQueue, newCh, newEndIdx);\n oldEndVnode = oldCh[--oldEndIdx];\n newEndVnode = newCh[--newEndIdx];\n } else if (sameVnode(oldStartVnode, newEndVnode)) { // Vnode moved right\n patchVnode(oldStartVnode, newEndVnode, insertedVnodeQueue, newCh, newEndIdx);\n canMove && nodeOps.insertBefore(parentElm, oldStartVnode.elm, nodeOps.nextSibling(oldEndVnode.elm));\n oldStartVnode = oldCh[++oldStartIdx];\n newEndVnode = newCh[--newEndIdx];\n } else if (sameVnode(oldEndVnode, newStartVnode)) { // Vnode moved left\n patchVnode(oldEndVnode, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);\n canMove && nodeOps.insertBefore(parentElm, oldEndVnode.elm, oldStartVnode.elm);\n oldEndVnode = oldCh[--oldEndIdx];\n newStartVnode = newCh[++newStartIdx];\n } else {\n if (isUndef(oldKeyToIdx)) { oldKeyToIdx = createKeyToOldIdx(oldCh, oldStartIdx, oldEndIdx); }\n idxInOld = isDef(newStartVnode.key)\n ? oldKeyToIdx[newStartVnode.key]\n : findIdxInOld(newStartVnode, oldCh, oldStartIdx, oldEndIdx);\n if (isUndef(idxInOld)) { // New element\n createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm, false, newCh, newStartIdx);\n } else {\n vnodeToMove = oldCh[idxInOld];\n if (sameVnode(vnodeToMove, newStartVnode)) {\n patchVnode(vnodeToMove, newStartVnode, insertedVnodeQueue, newCh, newStartIdx);\n oldCh[idxInOld] = undefined;\n canMove && nodeOps.insertBefore(parentElm, vnodeToMove.elm, oldStartVnode.elm);\n } else {\n // same key but different element. treat as new element\n createElm(newStartVnode, insertedVnodeQueue, parentElm, oldStartVnode.elm, false, newCh, newStartIdx);\n }\n }\n newStartVnode = newCh[++newStartIdx];\n }\n }\n if (oldStartIdx > oldEndIdx) {\n refElm = isUndef(newCh[newEndIdx + 1]) ? null : newCh[newEndIdx + 1].elm;\n addVnodes(parentElm, refElm, newCh, newStartIdx, newEndIdx, insertedVnodeQueue);\n } else if (newStartIdx > newEndIdx) {\n removeVnodes(oldCh, oldStartIdx, oldEndIdx);\n }\n }\n\n function checkDuplicateKeys (children) {\n var seenKeys = {};\n for (var i = 0; i < children.length; i++) {\n var vnode = children[i];\n var key = vnode.key;\n if (isDef(key)) {\n if (seenKeys[key]) {\n warn(\n (\"Duplicate keys detected: '\" + key + \"'. This may cause an update error.\"),\n vnode.context\n );\n } else {\n seenKeys[key] = true;\n }\n }\n }\n }\n\n function findIdxInOld (node, oldCh, start, end) {\n for (var i = start; i < end; i++) {\n var c = oldCh[i];\n if (isDef(c) && sameVnode(node, c)) { return i }\n }\n }\n\n function patchVnode (\n oldVnode,\n vnode,\n insertedVnodeQueue,\n ownerArray,\n index,\n removeOnly\n ) {\n if (oldVnode === vnode) {\n return\n }\n\n if (isDef(vnode.elm) && isDef(ownerArray)) {\n // clone reused vnode\n vnode = ownerArray[index] = cloneVNode(vnode);\n }\n\n var elm = vnode.elm = oldVnode.elm;\n\n if (isTrue(oldVnode.isAsyncPlaceholder)) {\n if (isDef(vnode.asyncFactory.resolved)) {\n hydrate(oldVnode.elm, vnode, insertedVnodeQueue);\n } else {\n vnode.isAsyncPlaceholder = true;\n }\n return\n }\n\n // reuse element for static trees.\n // note we only do this if the vnode is cloned -\n // if the new node is not cloned it means the render functions have been\n // reset by the hot-reload-api and we need to do a proper re-render.\n if (isTrue(vnode.isStatic) &&\n isTrue(oldVnode.isStatic) &&\n vnode.key === oldVnode.key &&\n (isTrue(vnode.isCloned) || isTrue(vnode.isOnce))\n ) {\n vnode.componentInstance = oldVnode.componentInstance;\n return\n }\n\n var i;\n var data = vnode.data;\n if (isDef(data) && isDef(i = data.hook) && isDef(i = i.prepatch)) {\n i(oldVnode, vnode);\n }\n\n var oldCh = oldVnode.children;\n var ch = vnode.children;\n if (isDef(data) && isPatchable(vnode)) {\n for (i = 0; i < cbs.update.length; ++i) { cbs.update[i](oldVnode, vnode); }\n if (isDef(i = data.hook) && isDef(i = i.update)) { i(oldVnode, vnode); }\n }\n if (isUndef(vnode.text)) {\n if (isDef(oldCh) && isDef(ch)) {\n if (oldCh !== ch) { updateChildren(elm, oldCh, ch, insertedVnodeQueue, removeOnly); }\n } else if (isDef(ch)) {\n if (process.env.NODE_ENV !== 'production') {\n checkDuplicateKeys(ch);\n }\n if (isDef(oldVnode.text)) { nodeOps.setTextContent(elm, ''); }\n addVnodes(elm, null, ch, 0, ch.length - 1, insertedVnodeQueue);\n } else if (isDef(oldCh)) {\n removeVnodes(oldCh, 0, oldCh.length - 1);\n } else if (isDef(oldVnode.text)) {\n nodeOps.setTextContent(elm, '');\n }\n } else if (oldVnode.text !== vnode.text) {\n nodeOps.setTextContent(elm, vnode.text);\n }\n if (isDef(data)) {\n if (isDef(i = data.hook) && isDef(i = i.postpatch)) { i(oldVnode, vnode); }\n }\n }\n\n function invokeInsertHook (vnode, queue, initial) {\n // delay insert hooks for component root nodes, invoke them after the\n // element is really inserted\n if (isTrue(initial) && isDef(vnode.parent)) {\n vnode.parent.data.pendingInsert = queue;\n } else {\n for (var i = 0; i < queue.length; ++i) {\n queue[i].data.hook.insert(queue[i]);\n }\n }\n }\n\n var hydrationBailed = false;\n // list of modules that can skip create hook during hydration because they\n // are already rendered on the client or has no need for initialization\n // Note: style is excluded because it relies on initial clone for future\n // deep updates (#7063).\n var isRenderedModule = makeMap('attrs,class,staticClass,staticStyle,key');\n\n // Note: this is a browser-only function so we can assume elms are DOM nodes.\n function hydrate (elm, vnode, insertedVnodeQueue, inVPre) {\n var i;\n var tag = vnode.tag;\n var data = vnode.data;\n var children = vnode.children;\n inVPre = inVPre || (data && data.pre);\n vnode.elm = elm;\n\n if (isTrue(vnode.isComment) && isDef(vnode.asyncFactory)) {\n vnode.isAsyncPlaceholder = true;\n return true\n }\n // assert node match\n if (process.env.NODE_ENV !== 'production') {\n if (!assertNodeMatch(elm, vnode, inVPre)) {\n return false\n }\n }\n if (isDef(data)) {\n if (isDef(i = data.hook) && isDef(i = i.init)) { i(vnode, true /* hydrating */); }\n if (isDef(i = vnode.componentInstance)) {\n // child component. it should have hydrated its own tree.\n initComponent(vnode, insertedVnodeQueue);\n return true\n }\n }\n if (isDef(tag)) {\n if (isDef(children)) {\n // empty element, allow client to pick up and populate children\n if (!elm.hasChildNodes()) {\n createChildren(vnode, children, insertedVnodeQueue);\n } else {\n // v-html and domProps: innerHTML\n if (isDef(i = data) && isDef(i = i.domProps) && isDef(i = i.innerHTML)) {\n if (i !== elm.innerHTML) {\n /* istanbul ignore if */\n if (process.env.NODE_ENV !== 'production' &&\n typeof console !== 'undefined' &&\n !hydrationBailed\n ) {\n hydrationBailed = true;\n console.warn('Parent: ', elm);\n console.warn('server innerHTML: ', i);\n console.warn('client innerHTML: ', elm.innerHTML);\n }\n return false\n }\n } else {\n // iterate and compare children lists\n var childrenMatch = true;\n var childNode = elm.firstChild;\n for (var i$1 = 0; i$1 < children.length; i$1++) {\n if (!childNode || !hydrate(childNode, children[i$1], insertedVnodeQueue, inVPre)) {\n childrenMatch = false;\n break\n }\n childNode = childNode.nextSibling;\n }\n // if childNode is not null, it means the actual childNodes list is\n // longer than the virtual children list.\n if (!childrenMatch || childNode) {\n /* istanbul ignore if */\n if (process.env.NODE_ENV !== 'production' &&\n typeof console !== 'undefined' &&\n !hydrationBailed\n ) {\n hydrationBailed = true;\n console.warn('Parent: ', elm);\n console.warn('Mismatching childNodes vs. VNodes: ', elm.childNodes, children);\n }\n return false\n }\n }\n }\n }\n if (isDef(data)) {\n var fullInvoke = false;\n for (var key in data) {\n if (!isRenderedModule(key)) {\n fullInvoke = true;\n invokeCreateHooks(vnode, insertedVnodeQueue);\n break\n }\n }\n if (!fullInvoke && data['class']) {\n // ensure collecting deps for deep class bindings for future updates\n traverse(data['class']);\n }\n }\n } else if (elm.data !== vnode.text) {\n elm.data = vnode.text;\n }\n return true\n }\n\n function assertNodeMatch (node, vnode, inVPre) {\n if (isDef(vnode.tag)) {\n return vnode.tag.indexOf('vue-component') === 0 || (\n !isUnknownElement$$1(vnode, inVPre) &&\n vnode.tag.toLowerCase() === (node.tagName && node.tagName.toLowerCase())\n )\n } else {\n return node.nodeType === (vnode.isComment ? 8 : 3)\n }\n }\n\n return function patch (oldVnode, vnode, hydrating, removeOnly) {\n if (isUndef(vnode)) {\n if (isDef(oldVnode)) { invokeDestroyHook(oldVnode); }\n return\n }\n\n var isInitialPatch = false;\n var insertedVnodeQueue = [];\n\n if (isUndef(oldVnode)) {\n // empty mount (likely as component), create new root element\n isInitialPatch = true;\n createElm(vnode, insertedVnodeQueue);\n } else {\n var isRealElement = isDef(oldVnode.nodeType);\n if (!isRealElement && sameVnode(oldVnode, vnode)) {\n // patch existing root node\n patchVnode(oldVnode, vnode, insertedVnodeQueue, null, null, removeOnly);\n } else {\n if (isRealElement) {\n // mounting to a real element\n // check if this is server-rendered content and if we can perform\n // a successful hydration.\n if (oldVnode.nodeType === 1 && oldVnode.hasAttribute(SSR_ATTR)) {\n oldVnode.removeAttribute(SSR_ATTR);\n hydrating = true;\n }\n if (isTrue(hydrating)) {\n if (hydrate(oldVnode, vnode, insertedVnodeQueue)) {\n invokeInsertHook(vnode, insertedVnodeQueue, true);\n return oldVnode\n } else if (process.env.NODE_ENV !== 'production') {\n warn(\n 'The client-side rendered virtual DOM tree is not matching ' +\n 'server-rendered content. This is likely caused by incorrect ' +\n 'HTML markup, for example nesting block-level elements inside ' +\n ', or missing
. Bailing hydration and performing ' +\n 'full client-side render.'\n );\n }\n }\n // either not server-rendered, or hydration failed.\n // create an empty node and replace it\n oldVnode = emptyNodeAt(oldVnode);\n }\n\n // replacing existing element\n var oldElm = oldVnode.elm;\n var parentElm = nodeOps.parentNode(oldElm);\n\n // create new node\n createElm(\n vnode,\n insertedVnodeQueue,\n // extremely rare edge case: do not insert if old element is in a\n // leaving transition. Only happens when combining transition +\n // keep-alive + HOCs. (#4590)\n oldElm._leaveCb ? null : parentElm,\n nodeOps.nextSibling(oldElm)\n );\n\n // update parent placeholder node element, recursively\n if (isDef(vnode.parent)) {\n var ancestor = vnode.parent;\n var patchable = isPatchable(vnode);\n while (ancestor) {\n for (var i = 0; i < cbs.destroy.length; ++i) {\n cbs.destroy[i](ancestor);\n }\n ancestor.elm = vnode.elm;\n if (patchable) {\n for (var i$1 = 0; i$1 < cbs.create.length; ++i$1) {\n cbs.create[i$1](emptyNode, ancestor);\n }\n // #6513\n // invoke insert hooks that may have been merged by create hooks.\n // e.g. for directives that uses the \"inserted\" hook.\n var insert = ancestor.data.hook.insert;\n if (insert.merged) {\n // start at index 1 to avoid re-invoking component mounted hook\n for (var i$2 = 1; i$2 < insert.fns.length; i$2++) {\n insert.fns[i$2]();\n }\n }\n } else {\n registerRef(ancestor);\n }\n ancestor = ancestor.parent;\n }\n }\n\n // destroy old node\n if (isDef(parentElm)) {\n removeVnodes([oldVnode], 0, 0);\n } else if (isDef(oldVnode.tag)) {\n invokeDestroyHook(oldVnode);\n }\n }\n }\n\n invokeInsertHook(vnode, insertedVnodeQueue, isInitialPatch);\n return vnode.elm\n }\n}\n\n/* */\n\nvar directives = {\n create: updateDirectives,\n update: updateDirectives,\n destroy: function unbindDirectives (vnode) {\n updateDirectives(vnode, emptyNode);\n }\n};\n\nfunction updateDirectives (oldVnode, vnode) {\n if (oldVnode.data.directives || vnode.data.directives) {\n _update(oldVnode, vnode);\n }\n}\n\nfunction _update (oldVnode, vnode) {\n var isCreate = oldVnode === emptyNode;\n var isDestroy = vnode === emptyNode;\n var oldDirs = normalizeDirectives$1(oldVnode.data.directives, oldVnode.context);\n var newDirs = normalizeDirectives$1(vnode.data.directives, vnode.context);\n\n var dirsWithInsert = [];\n var dirsWithPostpatch = [];\n\n var key, oldDir, dir;\n for (key in newDirs) {\n oldDir = oldDirs[key];\n dir = newDirs[key];\n if (!oldDir) {\n // new directive, bind\n callHook$1(dir, 'bind', vnode, oldVnode);\n if (dir.def && dir.def.inserted) {\n dirsWithInsert.push(dir);\n }\n } else {\n // existing directive, update\n dir.oldValue = oldDir.value;\n dir.oldArg = oldDir.arg;\n callHook$1(dir, 'update', vnode, oldVnode);\n if (dir.def && dir.def.componentUpdated) {\n dirsWithPostpatch.push(dir);\n }\n }\n }\n\n if (dirsWithInsert.length) {\n var callInsert = function () {\n for (var i = 0; i < dirsWithInsert.length; i++) {\n callHook$1(dirsWithInsert[i], 'inserted', vnode, oldVnode);\n }\n };\n if (isCreate) {\n mergeVNodeHook(vnode, 'insert', callInsert);\n } else {\n callInsert();\n }\n }\n\n if (dirsWithPostpatch.length) {\n mergeVNodeHook(vnode, 'postpatch', function () {\n for (var i = 0; i < dirsWithPostpatch.length; i++) {\n callHook$1(dirsWithPostpatch[i], 'componentUpdated', vnode, oldVnode);\n }\n });\n }\n\n if (!isCreate) {\n for (key in oldDirs) {\n if (!newDirs[key]) {\n // no longer present, unbind\n callHook$1(oldDirs[key], 'unbind', oldVnode, oldVnode, isDestroy);\n }\n }\n }\n}\n\nvar emptyModifiers = Object.create(null);\n\nfunction normalizeDirectives$1 (\n dirs,\n vm\n) {\n var res = Object.create(null);\n if (!dirs) {\n // $flow-disable-line\n return res\n }\n var i, dir;\n for (i = 0; i < dirs.length; i++) {\n dir = dirs[i];\n if (!dir.modifiers) {\n // $flow-disable-line\n dir.modifiers = emptyModifiers;\n }\n res[getRawDirName(dir)] = dir;\n dir.def = resolveAsset(vm.$options, 'directives', dir.name, true);\n }\n // $flow-disable-line\n return res\n}\n\nfunction getRawDirName (dir) {\n return dir.rawName || ((dir.name) + \".\" + (Object.keys(dir.modifiers || {}).join('.')))\n}\n\nfunction callHook$1 (dir, hook, vnode, oldVnode, isDestroy) {\n var fn = dir.def && dir.def[hook];\n if (fn) {\n try {\n fn(vnode.elm, dir, vnode, oldVnode, isDestroy);\n } catch (e) {\n handleError(e, vnode.context, (\"directive \" + (dir.name) + \" \" + hook + \" hook\"));\n }\n }\n}\n\nvar baseModules = [\n ref,\n directives\n];\n\n/* */\n\nfunction updateAttrs (oldVnode, vnode) {\n var opts = vnode.componentOptions;\n if (isDef(opts) && opts.Ctor.options.inheritAttrs === false) {\n return\n }\n if (isUndef(oldVnode.data.attrs) && isUndef(vnode.data.attrs)) {\n return\n }\n var key, cur, old;\n var elm = vnode.elm;\n var oldAttrs = oldVnode.data.attrs || {};\n var attrs = vnode.data.attrs || {};\n // clone observed objects, as the user probably wants to mutate it\n if (isDef(attrs.__ob__)) {\n attrs = vnode.data.attrs = extend({}, attrs);\n }\n\n for (key in attrs) {\n cur = attrs[key];\n old = oldAttrs[key];\n if (old !== cur) {\n setAttr(elm, key, cur);\n }\n }\n // #4391: in IE9, setting type can reset value for input[type=radio]\n // #6666: IE/Edge forces progress value down to 1 before setting a max\n /* istanbul ignore if */\n if ((isIE || isEdge) && attrs.value !== oldAttrs.value) {\n setAttr(elm, 'value', attrs.value);\n }\n for (key in oldAttrs) {\n if (isUndef(attrs[key])) {\n if (isXlink(key)) {\n elm.removeAttributeNS(xlinkNS, getXlinkProp(key));\n } else if (!isEnumeratedAttr(key)) {\n elm.removeAttribute(key);\n }\n }\n }\n}\n\nfunction setAttr (el, key, value) {\n if (el.tagName.indexOf('-') > -1) {\n baseSetAttr(el, key, value);\n } else if (isBooleanAttr(key)) {\n // set attribute for blank value\n // e.g. \n if (isFalsyAttrValue(value)) {\n el.removeAttribute(key);\n } else {\n // technically allowfullscreen is a boolean attribute for