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Add whole-book vs selected-chapters export workflow

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- Export menu (PDF/DOCX/ODT) opens a workflow to export the entire book or
  only selected chapters, with a canonical-order checklist + Select/Clear All
- Selected exports pass an ordered chapter list through the shared pipeline so
  output follows book order (not click order); empty selection is rejected
- Filenames use a ' - Selected Chapters' suffix for partial exports
- PDF renders only the chosen chapters into the print container; DOCX/ODT build
  from the selected chapters in order
This commit is contained in:
avi 2026-08-20 12:20:23 -05:00
commit beaf8715d8
6 changed files with 284 additions and 31 deletions
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14
tests/run-office-export-test.mjs
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@ -183,6 +183,20 @@ check(
idxAlpha >= 0 && idxAlpha < idxBeta && idxBeta < idxGamma && idxGamma < idxUnicode && idxUnicode < idxPics
);
// The explicitly passed chapter list is the single source of truth for export
// ordering: a non-canonical subset exports in the passed order (and only those
// chapters), not the book's stored order.
const subsetBuf = await mod.buildDocx(bookDir, [chapters.ch3, chapters.ch1, chapters.ch2]);
const subsetZip = await JSZip.loadAsync(subsetBuf);
const subsetXml = await subsetZip.file("word/document.xml").async("string");
const sText = stripTags(subsetXml);
const sG = sText.indexOf("Gamma");
const sA = sText.indexOf("Alpha");
const sB = sText.indexOf("Beta");
check("docx subset honors the passed order (Gamma, Alpha, Beta)", sG >= 0 && sG < sA && sA < sB);
check("docx subset excludes unselected chapters", !sText.includes("Unicode") && !sText.includes("Pics"));
const mediaFiles = Object.keys(docxZip.files).filter((f) => f.startsWith("word/media/"));
check("docx embeds the image (no data loss)", mediaFiles.length >= 1);