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Dragan Spiridonov
c3173a88ad
Code-intelligence (index/deps/impact/search) required the multi-megabyte
`typescript` compiler at runtime; without it every TS/JS file errored
("TypeScript is required for code analysis") and produced 0 nodes/edges — i.e.
the feature was broken out of the box for the entire JS/TS ecosystem.
Bundle tree-sitter WASM grammars for typescript/tsx/javascript and extract
entities/imports from them instead:
- assets/grammars/tree-sitter-{typescript,tsx,javascript}.wasm (shipped via
package `files: assets/**`).
- treesitter-ts-extractor.ts: extracts functions (incl. async arrows), classes +
methods (with visibility), interfaces, and imports (incl. require()).
- knowledge-graph.ts: TS/JS extraction now prefers tree-sitter (typescript-free),
falling back to the TypeScript compiler API only if tree-sitter is unavailable
AND `typescript` happens to be installed.
- tree-sitter-wasm-parser.ts: export loadWasmGrammar() reusing the proven WASM
init + grammar-path resolution.
Built with tree-sitter-cli 0.26.9 (matching web-tree-sitter ~0.26) via the new
scripts/build-grammars.sh (docker + emscripten/emsdk; reproducible — byte
identical across runs). Grammars built with the pre-0.25 emscripten dylink format
do NOT load with web-tree-sitter 0.26 (getDylinkMetadata error), which is why the
build pins the toolchain.
Verified on a real fresh project with NO typescript installed: code index → 8
nodes / 7 edges, deps → 2 connecting edges, search → 3 results. 232
code-intelligence tests + new extractor unit tests pass.
Note: the pre-existing assets/grammars/*.wasm for python/java/c#/rust/swift were
built with the old toolchain and currently fail to load with web-tree-sitter
0.26 (silently falling back to regex). They can be rebuilt with
`scripts/build-grammars.sh all` — tracked as a follow-up.