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misskey/packages/client/src/scripts/check-word-mute.ts

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export function checkWordMute(note: Record<string, any>, me: Record<string, any> | null | undefined, mutedWords: Array<string | string[]>): boolean {
// 自分自身
if (me && (note.userId === me.id)) return false;
if (mutedWords.length > 0) {
if (note.text == null) return false;
const matched = mutedWords.some(filter => {
if (Array.isArray(filter)) {
// Clean up
const filteredFilter = filter.filter(keyword => keyword !== '');
if (filteredFilter.length === 0) return false;
return filteredFilter.every(keyword => note.text!.includes(keyword));
} else {
// represents RegExp
const regexp = filter.match(/^\/(.+)\/(.*)$/);
// This should never happen due to input sanitisation.
if (!regexp) return false;
try {
return new RegExp(regexp[1], regexp[2]).test(note.text!);
} catch (err) {
// This should never happen due to input sanitisation.
return false;
}
}
});
if (matched) return true;
}
return false;
}