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c854c7f9d2
* emojify msg txt find&replace instead of recursion * move findAndReplace func in its own file * improve find and replace * move markdown file to plugins * make find and replace work without g flag regex * fix pagination stop on msg arrive * render blurhash in small size
28 lines
978 B
TypeScript
28 lines
978 B
TypeScript
export type ReplaceCallback<R> = (
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match: RegExpExecArray | RegExpMatchArray,
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pushIndex: number
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) => R;
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export type ConvertPartCallback<R> = (text: string, pushIndex: number) => R;
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export const findAndReplace = <ReplaceReturnType, ConvertReturnType>(
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text: string,
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regex: RegExp,
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replace: ReplaceCallback<ReplaceReturnType>,
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convertPart: ConvertPartCallback<ConvertReturnType>
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): Array<ReplaceReturnType | ConvertReturnType> => {
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const result: Array<ReplaceReturnType | ConvertReturnType> = [];
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let lastEnd = 0;
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let match: RegExpExecArray | RegExpMatchArray | null = regex.exec(text);
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while (match !== null && typeof match.index === 'number') {
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result.push(convertPart(text.slice(lastEnd, match.index), result.length));
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result.push(replace(match, result.length));
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lastEnd = match.index + match[0].length;
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if (regex.global) match = regex.exec(text);
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}
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result.push(convertPart(text.slice(lastEnd), result.length));
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return result;
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};
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