YouTube Transcript NPM প্যাকেজ: JavaScript ও TypeScript SDK

npm install youtube-transcript-api
pnpm add youtube-transcript-api
yarn add youtube-transcript-api

import { YouTubeTranscript } from "youtube-transcript-api";

const yt = new YouTubeTranscript({ apiKey: "your_api_key" });

const result = await yt.getTranscript("dQw4w9WgXcQ");
console.log(result.data?.transcript.text);

const result = await yt.transcribe({
  video: "dQw4w9WgXcQ",
  language: "fr",
  source: "manual",
  format: {
    timestamp: true,
    paragraphs: true,
    words: false,
  },
});

console.log(result.status);                    // "completed"
console.log(result.data?.transcript.text);     // Full transcript text
console.log(result.data?.transcript.language); // "fr"
console.log(result.data?.transcript.segments); // Timestamped segments
console.log(result.credits_used);              // Credits consumed

const result = await yt.batch({
  video_ids: ["dQw4w9WgXcQ", "jNQXAC9IVRw", "9bZkp7q19f0"],
  format: { timestamp: true },
});

console.log(result.summary);
// { total: 3, succeeded: 3, failed: 0, processing: 0 }

for (const item of result.results) {
  console.log(`${item.data?.video_id}: ${item.data?.transcript.text.slice(0, 100)}...`);
}

import {
  YouTubeTranscript,
  InvalidRequestError,
  AuthenticationError,
  InsufficientCreditsError,
  NoCaptionsError,
  RateLimitError,
} from "youtube-transcript-api";

try {
  await yt.getTranscript("invalid");
} catch (error) {
  if (error instanceof AuthenticationError) {
    console.log("Bad API key");
  } else if (error instanceof InsufficientCreditsError) {
    console.log("Top up at https://youtubetranscript.dev/pricing");
  } else if (error instanceof NoCaptionsError) {
    console.log("No captions: try source: 'asr' with allow_asr: true");
  } else if (error instanceof RateLimitError) {
    console.log(`Rate limited. Retry after ${error.retryAfter}s`);
  }
}

const yt = new YouTubeTranscript({
  apiKey: "your_api_key",
  baseUrl: "https://...",     // Override API base URL
  timeout: 60_000,            // Request timeout in ms (default: 30s)
});