Steffen Becker
096de84b82
ODF style:page-usage="mirrored" and Word's w:mirrorMargins make the declared left/right the inner/outer pair, which an even page swaps. Read, rendered and written back in both formats; the body rides the per-block inset a section's own margins already use, the header and footer band moves with it. Measured on a mirrored two-column file: its page 2 went from 12.7-184.1mm to 31.8-203.2, which is LibreOffice's to 0.1mm, and its running head with it.
71 lines
3.5 KiB
TypeScript
71 lines
3.5 KiB
TypeScript
import { describe, it, expect } from 'vitest';
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import { unzipSync, zipSync, strFromU8, strToU8 } from 'fflate';
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import { importOdt } from '../../src/lib/import/odt';
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import { importDocx } from '../../src/lib/import/docx';
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import { buildOdt } from '../../src/lib/export/odt';
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import { buildDocx } from '../../src/lib/export/docx';
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// ODF style:page-usage="mirrored" / Word w:mirrorMargins: the declared left and right
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// are the inner/outer pair, so an even (left-hand) page swaps them.
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const NS =
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'xmlns:office="urn:oasis:names:tc:opendocument:xmlns:office:1.0" ' +
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'xmlns:style="urn:oasis:names:tc:opendocument:xmlns:style:1.0" ' +
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'xmlns:fo="urn:oasis:names:tc:opendocument:xmlns:xsl-fo-compatible:1.0" ' +
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'xmlns:text="urn:oasis:names:tc:opendocument:xmlns:text:1.0"';
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function odt(usage: string): Uint8Array {
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const styles = `<?xml version="1.0"?><office:document-styles ${NS}><office:styles/>
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<office:automatic-styles>
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<style:page-layout ${usage}style:name="pm1">
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<style:page-layout-properties fo:page-width="21cm" fo:page-height="29.7cm"
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fo:margin-top="2cm" fo:margin-bottom="2cm" fo:margin-left="1.5cm" fo:margin-right="3cm"/>
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</style:page-layout>
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</office:automatic-styles>
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<office:master-styles>
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<style:master-page style:name="Standard" style:page-layout-name="pm1"/>
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</office:master-styles></office:document-styles>`;
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const content = `<?xml version="1.0"?><office:document-content ${NS}>
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<office:body><office:text><text:p>Hi</text:p></office:text></office:body></office:document-content>`;
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return zipSync({ 'content.xml': strToU8(content), 'styles.xml': strToU8(styles) });
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}
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const doc = { type: 'doc', content: [{ type: 'paragraph', content: [{ type: 'text', text: 'Hi' }] }] };
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describe('mirrored page margins', () => {
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it('reads style:page-usage from the page layout', () => {
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expect(importOdt(odt('style:page-usage="mirrored" ')).margins).toMatchObject({
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left: 1.5, right: 3, mirrored: true,
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});
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// Absent, not false: an unmirrored document's margins keep the plain four.
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expect(importOdt(odt('')).margins).toMatchObject({ left: 1.5, right: 3 });
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expect(importOdt(odt('')).margins?.mirrored).toBeUndefined();
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});
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it('round-trips through an ODF export', async () => {
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const margins = { top: 2, bottom: 2, left: 1.5, right: 3, mirrored: true };
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const bytes = await buildOdt(doc, margins);
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const styles = strFromU8(unzipSync(bytes)['styles.xml']);
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expect(styles).toContain('style:page-usage="mirrored"');
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expect(importOdt(bytes).margins).toMatchObject({ left: 1.5, right: 3, mirrored: true });
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});
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it('leaves an unmirrored export alone', async () => {
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const bytes = await buildOdt(doc, { top: 2, bottom: 2, left: 1.5, right: 3 });
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expect(strFromU8(unzipSync(bytes)['styles.xml'])).not.toContain('page-usage="mirrored"');
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expect(importOdt(bytes).margins?.mirrored).toBeUndefined();
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});
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it('round-trips through a DOCX export as w:mirrorMargins', async () => {
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const margins = { top: 2, bottom: 2, left: 1.5, right: 3, mirrored: true };
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const bytes = await buildDocx(doc, margins);
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expect(strFromU8(unzipSync(bytes)['word/settings.xml'])).toContain('mirrorMargins');
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expect(importDocx(bytes).margins).toMatchObject({ left: 1.5, right: 3, mirrored: true });
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});
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it('leaves an unmirrored DOCX export alone', async () => {
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const bytes = await buildDocx(doc, { top: 2, bottom: 2, left: 1.5, right: 3 });
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expect(strFromU8(unzipSync(bytes)['word/settings.xml'])).not.toContain('mirrorMargins');
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expect(importDocx(bytes).margins?.mirrored).toBeFalsy();
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});
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});
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