6ab5c230c2
Enhance PDF cross-page block stitching to move only sentence continuations and preserve remaining text on the following page. Update TTS segment planning to support strict source boundary enforcement, ensuring segments do not cross block or paragraph-title boundaries. Add new tests for both features and refactor PDF text item normalization to filter out skewed or rotated runs.
40 lines
1.1 KiB
TypeScript
40 lines
1.1 KiB
TypeScript
import { expect, test } from '@playwright/test';
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import { normalizeTextItemsForLayout } from '../../src/lib/server/pdf-layout/parsePdf';
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import type { TextItem } from 'pdfjs-dist/types/src/display/api';
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function makeTextItem(
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str: string,
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transform: [number, number, number, number, number, number],
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width = 100,
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): TextItem {
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return {
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str,
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transform,
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width,
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height: Math.abs(transform[3]),
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dir: 'ltr',
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fontName: 'test',
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hasEOL: false,
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} as unknown as TextItem;
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}
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test.describe('normalizeTextItemsForLayout', () => {
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test('keeps horizontal body text and drops rotated/skewed margin text', () => {
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const horizontal = makeTextItem(
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'Powered by large language models',
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[10, 0, 0, 10, 100, 600],
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);
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// Typical 90deg-ish rotated/skewed run (like side metadata labels).
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const rotated = makeTextItem(
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'arXiv:2407.16741v3 [cs.SE] 18 Apr 2025',
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[0, 10, -10, 0, 30, 400],
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);
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const normalized = normalizeTextItemsForLayout([horizontal, rotated], 800);
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expect(normalized).toHaveLength(1);
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expect(normalized[0]?.text).toBe('Powered by large language models');
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});
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});
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