| import { describe, it, expect } from 'vitest'; |
| import { ParagraphIterator } from '@/utils/paragraph'; |
|
|
| const createDoc = (body: string): Document => |
| new DOMParser().parseFromString(`<html><body>${body}</body></html>`, 'text/html'); |
|
|
| describe('ParagraphIterator', () => { |
| it('skips whitespace-only paragraphs', async () => { |
| const doc = createDoc(` |
| <p>First</p> |
| <p> </p> |
| <p> </p> |
| <p>\u200b</p> |
| <p><span>\u00a0</span></p> |
| <p><br /></p> |
| <p>Second</p> |
| `); |
|
|
| const iterator = await ParagraphIterator.createAsync(doc, 1000); |
|
|
| expect(iterator.length).toBe(2); |
| expect(iterator.first()?.toString()).toContain('First'); |
| expect(iterator.next()?.toString()).toContain('Second'); |
| }); |
|
|
| it('keeps paragraphs with non-text content', async () => { |
| const doc = createDoc(` |
| <p>Intro</p> |
| <p><img src="cover.png" alt="" /></p> |
| <p>Outro</p> |
| `); |
|
|
| const iterator = await ParagraphIterator.createAsync(doc, 1000); |
|
|
| expect(iterator.length).toBe(3); |
|
|
| iterator.first(); |
| expect(iterator.current()?.toString()).toContain('Intro'); |
|
|
| const imageRange = iterator.next(); |
| const fragment = imageRange?.cloneContents(); |
| expect(fragment?.querySelector('img')).not.toBeNull(); |
|
|
| expect(iterator.next()?.toString()).toContain('Outro'); |
| }); |
| }); |
|
|