draft.15

render() {
    ...
    <Editor
      editorState={editorState}
      onChange={this.onChange}
      handleKeyCommand={this.handleKeyCommand}
      customStyleMap={customStyleMap}
      handleDroppedFiles={this.handleDroppedFiles} // <-- [3]
      handleReturn={this.handleReturn} // <-- [2]
      blockRenderMap={RenderMap} // <-- [1]
      blockRendererFn={this.blockRendererFn} // <-- [1]
      ref="editor"
    />
    ...
  );
}