Fixes #557: allow youtube short urls

projects/angular-editor/src/lib/angular-editor.service.spec.ts

@@ -4,14 +4,128 @@ import {AngularEditorService} from './angular-editor.service';
 import {HttpClientModule} from '@angular/common/http';
 
 describe('AngularEditorService', () => {
+  let service: AngularEditorService;
   beforeEach(() => {
     TestBed.configureTestingModule({
       imports: [ HttpClientModule ],
       providers: [AngularEditorService]
     });
+    service = TestBed.inject(AngularEditorService);
   });
 
-  it('should be created', inject([AngularEditorService], (service: AngularEditorService) => {
+  it('should be created', () => {
     expect(service).toBeTruthy();
-  }));
+  });
+
+  it('#isYoutubeVideoUrl should return true for a valid Youtube URL', () => {
+    const videoUrl = 'https://www.youtube.com/watch?v=dQw4w9WgXcQ';
+    const result = service.isYoutubeVideoUrl(videoUrl);
+
+    expect(result).toBeTrue();
+  });
+
+  it('#isYoutubeVideoUrl should return true for a Youtube short URL', () => {
+    const videoUrl = 'https://youtu.be/123ABC';
+    const result = service.isYoutubeVideoUrl(videoUrl);
+
+    expect(result).toBeTrue();
+  });
+
+  it('#isYoutubeVideoUrl should return true for an URL without a protocol', () => {
+    const videoUrl = 'www.youtube.com/watch?v=123ABC';
+    const result = service.isYoutubeVideoUrl(videoUrl);
+
+    expect(result).toBeTrue();
+  });
+
+  it('#isYoutubeVideoUrl should return false for a non-Youtube URL', () => {
+    const videoUrl = 'https://www.notyoutube.com/';
+    const result = service.isYoutubeVideoUrl(videoUrl);
+
+    expect(result).toBeFalse();
+  });
+
+  it('#getYoutubeVideoId should return video id from a Youtube URL', () => {
+    const videoUrl = 'https://www.youtube.com/watch?v=jNQXAC9IVRw';
+    const expectedId = 'jNQXAC9IVRw';
+
+    const actualId = service.getYoutubeVideoId(videoUrl);
+
+    expect(actualId).toBe(expectedId);
+  });
+
+  it('#getYoutubeVideoId should return video id from a Youtube short URL', () => {
+    const videoUrl = 'https://youtu.be/jNQXAC9IVRw';
+    const expectedId = 'jNQXAC9IVRw';
+
+    const actualId = service.getYoutubeVideoId(videoUrl);
+
+    expect(actualId).toBe(expectedId);
+  });
+
+ it('#getYoutubeVideoId should return video id from a Youtube URL with other query parameters', () => {
+    const videoUrl = 'https://www.youtube.com/watch?v=jNQXAC9IVRw&p=abc123';
+    const expectedId = 'jNQXAC9IVRw';
+
+    const actualId = service.getYoutubeVideoId(videoUrl);
+
+    expect(actualId).toBe(expectedId);
+  });
+
+  it('#getYoutubeVideoId should return video id from a Youtube URL ending with /', () => {
+    const videoUrl = 'https://www.youtube.com/watch?v=jNQXAC9IVRw/';
+    const expectedId = 'jNQXAC9IVRw';
+
+    const actualId = service.getYoutubeVideoId(videoUrl);
+
+    expect(actualId).toBe(expectedId);
+  });
+
+  it('#getYoutubeVideoId should return video id from a Youtube URL ending with whitespace', () => {
+    const videoUrl = 'https://www.youtube.com/watch?v=jNQXAC9IVRw   ';
+    const expectedId = 'jNQXAC9IVRw';
+
+    const actualId = service.getYoutubeVideoId(videoUrl);
+
+    expect(actualId).toBe(expectedId);
+  });
+
+  it('#getYoutubeVideoId should return video id from a Youtube short URL with query parameters', () => {
+    const videoUrl = 'https://youtu.be/jNQXAC9IVRw?si=123abc&p=abc123';
+    const expectedId = 'jNQXAC9IVRw';
+
+    const actualId = service.getYoutubeVideoId(videoUrl);
+
+    expect(actualId).toBe(expectedId);
+  });
+
+  it('#getYoutubeVideoId should return video id from a Youtube short URL ending with /', () => {
+    const videoUrl = 'https://youtu.be/jNQXAC9IVRw/';
+    const expectedId = 'jNQXAC9IVRw';
+
+    const actualId = service.getYoutubeVideoId(videoUrl);
+
+    expect(actualId).toBe(expectedId);
+  });
+
+  it('#getYoutubeVideoId should return video id from a Youtube short URL ending with whitespace', () => {
+    const videoUrl = 'https://youtu.be/jNQXAC9IVRw   ';
+    const expectedId = 'jNQXAC9IVRw';
+
+    const actualId = service.getYoutubeVideoId(videoUrl);
+
+    expect(actualId).toBe(expectedId);
+  });
+
+
+
+  it('#getYoutubeVideoId should return video id from a Youtube URL without a protocol', () => {
+    const videoUrl = 'youtu.be/jNQXAC9IVRw';
+    const expectedId = 'jNQXAC9IVRw';
+
+    const actualId = service.getYoutubeVideoId(videoUrl);
+
+    expect(actualId).toBe(expectedId);
+  });
+
 });

projects/angular-editor/src/lib/angular-editor.service.ts

@@ -189,16 +189,28 @@ export class AngularEditorService {
   }
 
   insertVideo(videoUrl: string) {
-    if (videoUrl.match('www.youtube.com')) {
+    if (this.isYoutubeVideoUrl(videoUrl)) {
       this.insertYouTubeVideoTag(videoUrl);
     }
     if (videoUrl.match('vimeo.com')) {
       this.insertVimeoVideoTag(videoUrl);
     }
   }
 
+  isYoutubeVideoUrl(videoUrl: string): boolean {
+    const youtubeRegex = '^(?:https?://)?(?:www.)?youtube.com|youtu.be';
+    return videoUrl.match(youtubeRegex) !== null;
+  }
+
+  getYoutubeVideoId(videoUrl: string): string | undefined {
+    const youtubeRegex =  /(?:https?:\/\/)?(?:youtu\.be\/|watch\?v=)([^&?/\s]*)/;
+    const match = videoUrl.match(youtubeRegex);
+
+    return match?.[1];
+  }
+
   private insertYouTubeVideoTag(videoUrl: string): void {
-    const id = videoUrl.split('v=')[1];
+    const id = this.getYoutubeVideoId(videoUrl);
     const imageUrl = `https://img.youtube.com/vi/${id}/0.jpg`;
     const thumbnail = `
       <div style='position: relative'>