吴璨
81 lines
2.5 KiB
JavaScript
Executable File
81 lines
2.5 KiB
JavaScript
Executable File
const fs = require('fs');
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const path = require('path');
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const { API, DOWNLOAD_DIR } = require('./config');
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const { fetchJSON } = require('./network');
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const { formatPersonNames } = require('./utils');
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async function fetchLyric(songId) {
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try {
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const res = await fetchJSON(`${API.lyric}?id=${songId}`);
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if (res.code !== 200) return null;
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return res.data;
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} catch {
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return null;
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}
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}
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function mergeLrc(lrc, tlyric) {
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if (!lrc) return '';
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if (!tlyric) return lrc;
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const transMap = new Map();
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for (const line of tlyric.split('\n')) {
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const match = line.match(/^\[(\d+:\d+[\.:]\d+)\](.*)/);
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if (match && match[2].trim()) transMap.set(match[1], match[2].trim());
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}
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const result = [];
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for (const line of lrc.split('\n')) {
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result.push(line);
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const match = line.match(/^\[(\d+:\d+[\.:]\d+)\]/);
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if (match && transMap.has(match[1])) result.push(`[${match[1]}]${transMap.get(match[1])}`);
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}
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return result.join('\n');
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}
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function parseCredits(lrcText) {
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const credits = {};
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if (!lrcText) return credits;
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const labels = {
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lyricist: /^(作词|作詞|词|填词|Lyricist|Lyrics? by|Written by)$/i,
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composer: /^(作曲|曲|Composer|Composed by|Music by)$/i,
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arranger: /^(编曲|編曲|Arranger|Arranged by)$/i,
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producer: /^(制作人|製作人|出品人|监制|Producer|Produced by)$/i,
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mixer: /^(混音|Mix(ing)?|Mixed by)$/i,
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};
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for (const raw of lrcText.split('\n')) {
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const line = raw.replace(/^(\s*\[[^\]]*\]\s*)+/, '').trim();
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const match = line.match(/^([^:：]{1,12})\s*[:：]\s*(.+)$/);
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if (!match) continue;
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const label = match[1].trim();
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const value = formatPersonNames(match[2].trim());
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if (!value) continue;
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for (const [key, pattern] of Object.entries(labels)) {
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if (pattern.test(label) && !credits[key]) {
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credits[key] = value;
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break;
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}
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}
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}
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return credits;
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}
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async function saveLyric(songId, fileName) {
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const data = await fetchLyric(songId);
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if (!data?.lrc) {
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console.log(' ⚠️ 未获取到歌词');
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return;
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}
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const lrcPath = path.join(DOWNLOAD_DIR, fileName + '.lrc');
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fs.writeFileSync(lrcPath, data.lrc, 'utf-8');
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console.log(` 📄 歌词已保存: ${path.basename(lrcPath)}`);
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if (data.tlyric?.trim()) {
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const mergedPath = path.join(DOWNLOAD_DIR, fileName + '.合并翻译.lrc');
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fs.writeFileSync(mergedPath, mergeLrc(data.lrc, data.tlyric), 'utf-8');
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console.log(` 📄 翻译歌词已保存: ${path.basename(mergedPath)}`);
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}
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}
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module.exports = { fetchLyric, mergeLrc, parseCredits, saveLyric };
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