Handling tab for lists in Draft.js - draftjs

Question

I have a wrapper around the Editor provided by Draft.js, and I would like to get the tab/shift-tab keys working like they should for the UL and OL. I have the following methods defined:
_onChange(editorState) {
this.setState({editorState});
if (this.props.onChange) {
this.props.onChange(
new CustomEvent('chimpeditor_update',
{
detail: stateToHTML(editorState.getCurrentContent())
})
);
}
}
_onTab(event) {
console.log('onTab');
this._onChange(RichUtils.onTab(event, this.state.editorState, 6));
}
Here I have a method, _onTab, which is connected to the Editor.onTab, where I call RichUtil.onTab(), which I assume returns the updated EditorState, which I then pass to a generic method that updates the EditorState and calls some callbacks. But, when I hit tab or shift-tab, nothing happens at all.

Answer 1

So this came up while implementing with React Hooks, and a google search had this answer as the #2 result.
I believe the code OP has is correct, and I was seeing "nothing happening" as well. The problem turned out to be not including the Draft.css styles.
import 'draft-js/dist/Draft.css'

Answer 2

import { Editor, RichUtils, getDefaultKeyBinding } from 'draft-js'
handleEditorChange = editorState => this.setState({ editorState })
handleKeyBindings = e => {
const { editorState } = this.state
if (e.keyCode === 9) {
const newEditorState = RichUtils.onTab(e, editorState, 6 /* maxDepth */)
if (newEditorState !== editorState) {
this.handleEditorChange(newEditorState)
}
return
}
return getDefaultKeyBinding(e)
}
render() {
return <Editor onTab={this.handleKeyBindings} />
}

Answer 3

The following example will inject \t into the current location, and update the state accordingly.
function custKeyBindingFn(event) {
if (event.keyCode === 9) {
let newContentState = Modifier.replaceText(
editorState.getCurrentContent(),
editorState.getSelection(),
'\t'
);
setEditorState(EditorState.push(editorState, newContentState, 'insert-characters'));
event.preventDefault(); // For good measure. (?)
return null;
}
return getDefaultKeyBinding(event);
}