rudeshark.net/packages/client/src/scripts/check-word-mute.ts
2023-05-05 12:23:44 +09:00

91 lines
2.0 KiB
TypeScript

export type Muted = {
muted: boolean;
matched: string[];
what?: string; // "note" || "reply" || "renote" || "quote"
};
const NotMuted = { muted: false, matched: [] };
function checkWordMute(
note: NoteLike,
mutedWords: Array<string | string[]>,
): Muted {
const text = ((note.cw ?? "") + " " + (note.text ?? "")).trim();
if (text === "") return NotMuted;
let result = { muted: false, matched: [] };
for (const mutePattern of mutedWords) {
if (Array.isArray(mutePattern)) {
// Clean up
const keywords = mutePattern.filter((keyword) => keyword !== "");
if (
keywords.length > 0 &&
keywords.every((keyword) => text.includes(keyword))
) {
result.muted = true;
result.matched.push(...keywords);
}
} else {
// represents RegExp
const regexp = mutePattern.match(/^\/(.+)\/(.*)$/);
// This should never happen due to input sanitisation.
if (!regexp) {
console.warn(`Found invalid regex in word mutes: ${mutePattern}`);
continue;
}
try {
if (new RegExp(regexp[1], regexp[2]).test(text)) {
result.muted = true;
result.matched.push(mutePattern);
}
} catch (err) {
// This should never happen due to input sanitisation.
}
}
}
result.matched = [...new Set(result.matched)];
return result;
}
export function getWordSoftMute(
note: Record<string, any>,
me: Record<string, any> | null | undefined,
mutedWords: Array<string | string[]>,
): Muted {
// 自分自身
if (me && note.userId === me.id) {
return NotMuted;
}
if (mutedWords.length > 0) {
let noteMuted = checkWordMute(note, mutedWords);
if (noteMuted.muted) {
noteMuted.what = "note";
return noteMuted;
}
if (note.renote) {
let renoteMuted = checkWordMute(note.renote, mutedWords);
if (renoteMuted.muted) {
renoteMuted.what = note.text == null ? "renote" : "quote";
return renoteMuted;
}
}
if (note.reply) {
let replyMuted = checkWordMute(note.reply, mutedWords);
if (replyMuted.muted) {
replyMuted.what = "reply";
return replyMuted;
}
}
}
return NotMuted;
}