feat(TextRun): add support for formatting (#254)

src/parser/classes/misc/TextRun.ts

@@ -3,9 +3,15 @@ import NavigationEndpoint from '../NavigationEndpoint';
 class TextRun {
   text: string;
   endpoint: NavigationEndpoint | undefined;
+  bold: boolean;
+  italics: boolean;
+  strikethrough: boolean;
 
   constructor(data: any) {
     this.text = data.text;
+    this.bold = Boolean(data.bold);
+    this.italics = Boolean(data.italics);
+    this.strikethrough = Boolean(data.strikethrough);
     this.endpoint = data.navigationEndpoint ? new NavigationEndpoint(data.navigationEndpoint) : undefined;
   }
 }

test/constants.ts

@@ -10,6 +10,10 @@ export const VIDEOS = [
   {
     ID: 'I1qsF0WQy8c',
     QUERY: 'mkbhd',
+  },
+  {
+    ID: 'OqiXFXlYFi8',
+    QUERY: 'formatted comment text'
   }
 ];
 

test/main.test.ts

@@ -2,6 +2,7 @@ import fs from 'fs';
 import Innertube from '..';
 import { CHANNELS, VIDEOS } from './constants';
 import { streamToIterable } from '../src/utils/Utils';
+import TextRun from '../src/parser/classes/misc/TextRun';
 
 describe('YouTube.js Tests', () => { 
   let yt: Innertube;
@@ -68,6 +69,19 @@ describe('YouTube.js Tests', () => {
       threads = await yt.getComments(VIDEOS[1].ID);
       expect(threads.contents.length).toBeGreaterThan(0);
     });
+
+    it('should parse formatted comments', async () => {
+      const threads = await yt.getComments(VIDEOS[3].ID);
+      const authorComment = threads.contents.find(t => t.comment?.author_is_channel_owner)
+      expect(authorComment).not.toBeUndefined();
+
+      expect(authorComment!.comment?.content.runs?.length).toBeGreaterThan(0)
+      const runs = authorComment!.comment!.content.runs! as TextRun[]
+
+      expect(runs[0].bold).toBeTruthy()
+      expect(runs[2].italics).toBeTruthy()
+      expect(runs[4].strikethrough).toBeTruthy()
+    })
     
     it('should retrieve next batch of comments', async () => {
       const next = await threads.getContinuation();