Improved lyric syncing, fetch

- uses a somewhat more sane way to parse lyrics and teardown timeouts
- adds 'seeked' to setCurrentTime to make detecting seeks in lyric much easier
- adds ability to fetch lyrics from genius/netease (desktop only)

src/main/features/core/lyrics/genius.ts

@@ -0,0 +1,59 @@
+import axios, { AxiosResponse } from 'axios';
+import { load } from 'cheerio';
+import type { QueueSong } from '/@/renderer/api/types';
+
+const search_url = 'https://genius.com/api/search/song';
+
+async function getSongURL(metadata: QueueSong) {
+  let result: AxiosResponse<any, any>;
+  try {
+    result = await axios.get(search_url, {
+      params: {
+        per_page: '1',
+        q: `${metadata.artistName} ${metadata.name}`,
+      },
+    });
+  } catch (e) {
+    console.error('Genius search request got an error!', e);
+    return undefined;
+  }
+
+  return result.data.response?.sections?.[0]?.hits?.[0]?.result?.url;
+}
+
+async function getLyricsFromGenius(url: string): Promise<string | null> {
+  let result: AxiosResponse<string, any>;
+  try {
+    result = await axios.get<string>(url, { responseType: 'text' });
+  } catch (e) {
+    console.error('Genius lyrics request got an error!', e);
+    return null;
+  }
+
+  const $ = load(result.data.split('<br/>').join('\n'));
+  const lyricsDiv = $('div.lyrics');
+
+  if (lyricsDiv.length > 0) return lyricsDiv.text().trim();
+
+  const lyricSections = $('div[class^=Lyrics__Container]')
+    .map((_, e) => $(e).text())
+    .toArray()
+    .join('\n');
+  return lyricSections;
+}
+
+export async function query(metadata: QueueSong): Promise<string | null> {
+  const songId = await getSongURL(metadata);
+  if (!songId) {
+    console.error('Could not find the song on Genius!');
+    return null;
+  }
+
+  const lyrics = await getLyricsFromGenius(songId);
+  if (!lyrics) {
+    console.error('Could not get lyrics on Genius!');
+    return null;
+  }
+
+  return lyrics;
+}