Multi-inline highlighting for DraftJS editor

Allows to do multi selections in DraftJS editor via a custom decorator.

The source for full demo example is here. Also, you can try working example.

Install

npm i draft-js-multi-inline-highlight

or

yarn add draft-js-multi-inline-highlight

Usage

Import

import {
  MultiHighlightDecorator,
  WordMatcher,
  SentenceMatcher,
  MultiHighlightConfig,
} from "draft-js-multi-inline-highlight";

Configuration

const initHighlightConfig: MultiHighlightConfig = {
  rules: [
    {
      content: ["His back begins to ache, but he knows he can bear it."],
      style: "yellow",
      matcher: SentenceMatcher,
    },
    {
      content: ["and"],
      style: "red",
      matcher: WordMatcher,
    },
    {
      content: ["pulled", "knows"],
      style: "blue",
      matcher: WordMatcher,
    },
  ],
  styles: hightlightStyles,
};

Initialization

const [highlightConfig, setHighlightConfig] = useState<MultiHighlightConfig>(
  initHighlightConfig
);
const [editorState, setEditorState] = useState(
  EditorState.createWithContent(
    contentState,
    MultiHighlightDecorator(highlightConfig)
  )
);

Chage highlighting state according to the new configuration

useEffect(() => {
  if (highlightConfig) {
    setEditorState(
      EditorState.set(editorState, {
        decorator: MultiHighlightDecorator(highlightConfig),
      })
    );
  }
}, [highlightConfig]);