claude
200bff4ecb
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Adds a dual-mode Typst preview: a new "Live (browser)" mode compiles and
renders Typst documents entirely in-browser using typst.ts WASM (28 MB
compiler + 1 MB renderer). The existing server-side PDF mode is preserved
and selectable via a new "Preview mode" section in the recompile dropdown,
visible only for Typst projects.
Architecture:
- Web Worker (typst-preview-worker.ts) runs the WASM compiler; queues
compile requests so only the latest compile runs after each keypress
- TypstWasmPreview component initialises the renderer on the main thread,
listens to changedAt from the compile context, debounces at 400 ms, and
renders SVG into a container div via renderToSvg
- typstPreviewMode ('wasm'|'pdf') is persisted per-project in localStorage
- isTypstProject, changedAt, typstPreviewMode, setTypstPreviewMode are
exposed through both LocalCompileContext and DetachCompileContext
- Fonts loaded from jsDelivr CDN (text subset only) on first use
- Phase 1: single-file Typst only (no #include, no images)
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>