47 lines
2.0 KiB
JavaScript
47 lines
2.0 KiB
JavaScript
/* innertube.js — YouTube search via the InnerTube JSON API (no yt-dlp spawn).
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* parseSearch() is pure (tested against fixtures/innertube-search.json);
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* search() does the HTTP call. Callers MUST fall back to yt-dlp on any throw. */
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const CLIENT = { clientName: 'WEB', clientVersion: '2.20250101.00.00', hl: 'en', gl: 'US' };
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export function lengthToSeconds(s) {
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if (typeof s !== 'string' || !/^\d+(:\d{1,2}){0,2}$/.test(s.trim())) return 0;
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return s.trim().split(':').map(Number).reduce((acc, n) => acc * 60 + n, 0);
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}
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export function parseSearch(json) {
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const sections = json?.contents?.twoColumnSearchResultsRenderer?.primaryContents
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?.sectionListRenderer?.contents;
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if (!Array.isArray(sections)) throw new Error('innertube: unexpected response shape');
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const out = [];
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for (const s of sections) {
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for (const it of s?.itemSectionRenderer?.contents || []) {
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const v = it && it.videoRenderer;
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if (!v || typeof v.videoId !== 'string') continue;
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const owner = v.ownerText?.runs?.[0] || {};
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const be = owner.navigationEndpoint?.browseEndpoint || {};
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const path = be.canonicalBaseUrl || (be.browseId ? `/channel/${be.browseId}` : '');
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out.push({
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id: v.videoId,
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title: v.title?.runs?.map((r) => r.text).join('') || '(untitled)',
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channel: owner.text || '',
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channelId: be.browseId || '',
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channelUrl: path ? `https://www.youtube.com${path}` : '',
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duration: lengthToSeconds(v.lengthText?.simpleText),
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thumbnail: `https://i.ytimg.com/vi/${v.videoId}/mqdefault.jpg`,
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});
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}
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}
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return out;
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}
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export async function search(q, { fetchImpl = fetch, timeoutMs = 6000 } = {}) {
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const res = await fetchImpl('https://www.youtube.com/youtubei/v1/search?prettyPrint=false', {
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method: 'POST',
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headers: { 'Content-Type': 'application/json' },
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body: JSON.stringify({ context: { client: CLIENT }, query: q }),
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signal: AbortSignal.timeout(timeoutMs),
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});
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if (!res.ok) throw new Error(`innertube: HTTP ${res.status}`);
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return parseSearch(await res.json());
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}
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