import { describe, it, expect } from 'vitest'; import { ParagraphIterator } from '@/utils/paragraph'; const createDoc = (body: string): Document => new DOMParser().parseFromString(`${body}`, 'text/html'); describe('ParagraphIterator', () => { it('skips whitespace-only paragraphs', async () => { const doc = createDoc(`

First

\u200b

\u00a0

Second

`); 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(`

Intro

Outro

`); 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'); }); });