Draft.js initiate with convertFromRaw method

Draft.js initiate with convertFromRaw method (for stackoverflow answer)

by Mikhail Shabrikov

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.3.0/react.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/15.3.0/react-dom.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/immutable/3.8.1/immutable.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/draft-js/0.7.0/Draft.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/draft-js/0.7.0/Draft.css">
<!-- Created for this stackoverflow answer - https://stackoverflow.com/a/47030806/5806646  -->
<div id="react-root"></div>

CSS

body {
  font-family: Helvetica, sans-serif;
}

.container-root {
  border: 1px solid black;
  padding: 5px;
  margin: 5px;
}

Babel + JSX

const {Editor, RichUtils, EditorState, convertFromRaw, convertToRaw} = Draft;

const customStyleMap = {
  redBackground: {
  	backgroundColor: 'red'
  },
  underlined: {
    textDecoration: 'underline',
    fontSize: 26
  },
};

const editorStateAsJSON = `{"entityMap":{},"blocks":[{"key":"fveh7","text":"fasdf","type":"unstyled","depth":0,"inlineStyleRanges":[],"entityRanges":[]},{"key":"10mi0","text":"asdf","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":2,"length":2,"style":"redBackground"}],"entityRanges":[]},{"key":"dnuro","text":"asdfasdf","type":"unstyled","depth":0,"inlineStyleRanges":[{"offset":4,"length":2,"style":"underlined"}],"entityRanges":[]}]}`;

class Container extends React.Component {
  constructor(props) {
    super(props);
    
    this.state = {
      editorState: EditorState.createWithContent(convertFromRaw(JSON.parse(editorStateAsJSON)))
    };
  }
  
  applyCustomStyles = (nameOfCustomStyle) => {
    this._handleChange(
      RichUtils.toggleInlineStyle(
        this.state.editorState,
        nameOfCustomStyle
      )
    );
  }
  
  _handleChange = (editorState) => {
    this.setState({ editorState });
  }
  
  render() {
    return (
      <div>
        <div className="container-root">
          <Editor
            placeholder="Type away :)"
            editorState={this.state.editorState}
            onChange={this._handleChange}
            customStyleMap={customStyleMap}
          />
        </div>
        <button onClick={() => this.applyCustomStyles('underlined')}>
          apply one custom style to selected text
        </button>
        <button onClick={() => this.applyCustomStyles('redBackground')}>
          apply anoter custom style to selected text
        </button>
      </div>
    );
  }
}

ReactDOM.render(<Container />, document.getElementById('react-root'))