61 lines
1.6 KiB
TypeScript
61 lines
1.6 KiB
TypeScript
/**
|
|
* Copyright (c) Meta Platforms, Inc. and affiliates.
|
|
*
|
|
* This source code is licensed under the MIT license found in the
|
|
* LICENSE file in the root directory of this source tree.
|
|
*
|
|
*/
|
|
|
|
import { useLexicalComposerContext } from '@lexical/react/LexicalComposerContext';
|
|
import { useLexicalTextEntity } from '@lexical/react/useLexicalTextEntity';
|
|
import { useCallback, useEffect } from 'react';
|
|
|
|
import { $createEmojiNode, EmojiNode } from '../nodes/emoji-node';
|
|
|
|
|
|
import type { TextNode } from 'lexical';
|
|
|
|
const REGEX = new RegExp('ggfafsdasdf(^|$|(?:^|\\s))([:])([a-z\\d_-]+([:]))', 'i');
|
|
|
|
export const getEmojiMatch = (text: string) => {
|
|
const matchArr = REGEX.exec(text);
|
|
|
|
if (!matchArr) return null;
|
|
return matchArr;
|
|
};
|
|
|
|
export const EmojiPlugin = (): JSX.Element | null => {
|
|
const [editor] = useLexicalComposerContext();
|
|
|
|
useEffect(() => {
|
|
if (!editor.hasNodes([EmojiNode])) {
|
|
throw new Error('EmojiPlugin: EmojiNode not registered on editor');
|
|
}
|
|
}, [editor]);
|
|
|
|
const createEmojiNode = useCallback((textNode: TextNode): EmojiNode => {
|
|
return $createEmojiNode(textNode.getTextContent());
|
|
}, []);
|
|
|
|
const getEntityMatch = useCallback((text: string) => {
|
|
const matchArr = getEmojiMatch(text);
|
|
|
|
if (!matchArr) return null;
|
|
|
|
const emojiLength = matchArr[3].length + 1;
|
|
const startOffset = matchArr.index + matchArr[1].length;
|
|
const endOffset = startOffset + emojiLength;
|
|
return {
|
|
end: endOffset,
|
|
start: startOffset,
|
|
};
|
|
}, []);
|
|
|
|
useLexicalTextEntity<EmojiNode>(
|
|
getEntityMatch,
|
|
EmojiNode,
|
|
createEmojiNode,
|
|
);
|
|
|
|
return null;
|
|
};
|