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2d8be8f | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 | 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');
});
});
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