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Nested Editor

Pedigree editor component for React.

Actual rendering is done by Madeline 2.0 PDE.

Example usage:

var Nested = require('nested-editor');
var React = require('react');
var ReactDOM = require('react-dom');

var Example = React.createClass({
  componentDidMount: function() {
    this.refs.editor.openDocument('... [ some pedigree ] ...', 'ped');
  },
  render: function() {
    <Nested ref="editor" />
  }
});

ReactDOM.render(<Example />, document.getElementById('content'));

Development

First install Node.js. Then install package dependencies with NPM:

npm install

A live-reloading development webserver serves an example application when running:

npm run dev

Deployment

To compile the component to a bundle, install the package dependencies as above and run:

npm run dist

The bundle can now be found in the dist subdirectory.

Warning: You most probably don't want to use the bundle. Instead, use the source package and your own bundling. In the future, the bundle may be a simple way to embed the editor in websites without using React.

Style guide

For JavaScript, we follow the Airbnb JavaScript Style Guide. An ESLint configuration for it can be found in .eslintrc.

We transpile JSX and ES6 constructs using Babel. For now, do not use any ES6 features not mentioned below.

JSX: Multiline JSX

Multiline JSX elements should be in brackets and only have a single indent:

return (
  <OverlayTrigger placement="bottom" overlay={tooltip}>
    <Button key="undo" onClick={this.undo}><Icon name="undo" /></Button>
  </OverlayTrigger>
);

ES6: Arrow functions

  • Use function in the global scope and for Object.prototype properties.
  • Use class for object constructors.
  • Use => everywhere else.

Rationale: http://stackoverflow.com/a/23045200

ES6: Enhanced object literals

Use {a, b, c} instead of {a: a, b: b, c: c}.

ES6: Computed property names

Objects with computed property names can directly be written as object literals:

var i = 0;
var a = {
  ["foo" + ++i]: i,
  ["foo" + ++i]: i,
  ["foo" + ++i]: i
};

ES6: Template strings

Use template strings instead of concatentation:

var name = "Bob", time = "today";
`Hello ${name}, how are you ${time}?`

ES6: Destructuring assignment

Use simple destructuring patterns for unpacking objects and arrays (including function arguments) and multiple return values. Some simple examples:

var [a, b] = [1, 2];

var o = {p: 42, q: true};
var {p, q} = o;

function g({name: x}) {
  console.log(x);
}

This is also the prefered way of importing several module attributes:

var {Someting, AnotherThing} = require('definitions/Things');