youtubei
Version:
Simple package to get information from youtube such as videos, playlists, channels, video information & comments, related videos, up next video, and more!
84 lines (83 loc) • 3.49 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.VideoCaptions = void 0;
const Base_1 = require("../Base");
const Caption_1 = require("../Caption");
/**
* Captions of a video
*
* @example
* ```js
*
* console.log(video.captions.languages.map((l) => `${l.code} - ${l.name}`)); // printing out available languages for captions
*
* console.log(await video.captions.get("en")); // printing out captions of a specific language using language code
* ```
*/
class VideoCaptions extends Base_1.Base {
/** @hidden */
constructor({ video, client }) {
super(client);
this.video = video;
this.languages = [];
}
/**
* Load this instance with raw data from Youtube
*
* @hidden
*/
load(data) {
const { captionTracks } = data;
if (captionTracks) {
this.languages = captionTracks.map((track) => new Caption_1.CaptionLanguage({
captions: this,
name: track.name.simpleText,
code: track.languageCode,
isTranslatable: !!track.isTranslatable,
url: track.baseUrl,
}));
}
return this;
}
/**
* Get captions of a specific language or a translation of a specific language
*/
get(languageCode, translationLanguageCode) {
var _a, _b, _c;
return __awaiter(this, void 0, void 0, function* () {
if (!languageCode && ((_a = this.client.options.youtubeClientOptions) === null || _a === void 0 ? void 0 : _a.hl)) {
languageCode = this.client.options.youtubeClientOptions.hl;
}
const url = (_b = this.languages.find((l) => l.code.toUpperCase() === (languageCode === null || languageCode === void 0 ? void 0 : languageCode.toUpperCase()))) === null || _b === void 0 ? void 0 : _b.url;
if (!url)
return undefined;
const params = { fmt: "json3" };
if (translationLanguageCode)
params["tlang"] = translationLanguageCode;
const response = yield this.client.http.get(url, { params });
const captions = (_c = response.data.events) === null || _c === void 0 ? void 0 : _c.reduce((curr, e) => {
var _a;
if (e.segs === undefined)
return curr;
curr.push(new Caption_1.Caption({
duration: e.dDurationMs,
start: e.tStartMs,
text: (_a = e.segs) === null || _a === void 0 ? void 0 : _a.map((s) => s.utf8).join(),
segments: e.segs,
}));
return curr;
}, []);
return captions;
});
}
}
exports.VideoCaptions = VideoCaptions;