refactor(epub): decompose epubService into modular components#13
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refactor(epub): decompose epubService into modular components#13
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December 22, 2025 09:53
- **Sanitizers**: Extracted XML/XHTML logic to `services/epub/sanitizers/` - **Generators**: Moved HTML generation to `services/epub/generators/` - **Data**: Moved collection and stats logic to `services/epub/data/` - **Packaging**: Moved JSZip logic to `services/epub/packagers/` - **Orchestrator**: `epubService.ts` is now a thin facade (~120 LOC) - **Tests**: Verified with existing suite (16 tests passed)
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Summary\nDecomposes the monolithic
services/epubService.tsinto focused modules, while keeping the existingservices/epub/*export pipeline intact.\n\n## Root Cause (why this shape)\nThe repo already has an EPUB export pipeline underservices/epub/*with its ownservices/epub/types.ts. The initial decomposition work accidentally overwrote that types contract, breaking the pipeline + its tests.\n\n## Changes\n-services/epubService.ts: thin orchestrator, re-exports same public API (types + helpers +generateEpub)\n-services/epubService/**: extracted sanitizers/generators/data/packagers/templates + dedicatedtypes.ts\n-services/epub/types.ts: restored (pipeline types remain the source of truth forservices/epub/*)\n-docs/WORKLOG.md: logged the refactor\n\n## Testing\n-npx tsc --noEmit\n-npm test -- --run tests/services/epubService.test.ts tests/epub/*.test.ts\n\n## Notes\nThis PR intentionally isolates the epubService decomposition underservices/epubService/to avoid collisions with the pipeline implementation.