Modularize youtube-transcript's fetchTranscript API

README.md

@@ -21,13 +21,54 @@ $ yarn add youtube-transcript
 
 ```js
 import { YoutubeTranscript } from 'youtube-transcript';
-
 YoutubeTranscript.fetchTranscript('videoId or URL').then(console.log);
 ```
 
+or override / provide your own implementation of specific methods
+
+```js
+import { YoutubeTranscript } from 'youtube-transcript';
+import { request } from "obsidian";
+
+class ObsidianYoutubeTranscript extends YoutubeTranscript {
+	videoId: string;
+	videoPageBody: string;
+	transcriptBody: string;
+
+	constructor(videoId: string) {
+		super();
+		this.videoId = YoutubeTranscript.retrieveVideoId(videoId);
+	}
+
+	public async getPageBody(): Promise<string> {
+		const videoPageResponse = await request(
+			`https://www.youtube.com/watch?v=${this.videoId}`
+		);
+		this.videoPageBody = videoPageResponse;
+		return this.videoPageBody;
+	}
+
+	public async getTranscriptResponse(transcriptURL: string): Promise<string> {
+		const transcriptResponse = await request(transcriptURL);
+		this.transcriptBody = transcriptResponse;
+		return this.transcriptBody;
+	}
+}
+
+const ytt = new ObsidianYoutubeTranscript(url);
+const transcriptList = await ytt.fetchTranscript();
+console.debug("got transcriptList:", transcriptList);
+```
+
 ### Methods
 
 - fetchTranscript(videoId: string [,options: TranscriptConfig]): Promise<TranscriptResponse[]>;
+- async getPageBody(): Promise<string>;
+- splitHtml(pageBody: string): string[];
+- getCaptionTracks(splittedHTML: string[]): any[];
+- getTranscriptURL(captionTracks: any[]): string;
+- async getTranscriptResponse(transcriptURL: string): Promise<string>;
+- async parseTranscript(transcriptBody: string, captionTracks: any[] ): Promise<TranscriptResponse[]>;
 
 ## License
 

jest.config.js

@@ -0,0 +1,9 @@
+/** @type {import('ts-jest').JestConfigWithTsJest} **/
+module.exports = {
+  preset: 'ts-jest',
+  testEnvironment: 'node',
+  transform: {
+    '^.+.tsx?$': ['ts-jest', {}],
+  },
+  testMatch: ['**/tests/**/*.test.ts'],
+};