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Merge pull request #40 from ravescovi/fix/sequential-grammar-loading

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fix: load WASM grammars sequentially to avoid Node 20+ race condition
This commit is contained in:
Colby Mchenry
2026-02-19 14:52:05 -06:00
committed by GitHub
parent a9148e674e 267c9e1379
commit 5d699ab2c5
1 changed files with 13 additions and 14 deletions
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src/extraction/grammars.ts
+13 -14
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@@ -86,21 +86,20 @@ export async function initGrammars(): Promise<void> {
await Parser.init(); await Parser.init();
// Load all grammars in parallel // Load grammars sequentially to avoid web-tree-sitter WASM race condition on Node 20+
// See: https://github.com/tree-sitter/tree-sitter/issues/2338
const entries = Object.entries(WASM_GRAMMAR_FILES) as [GrammarLanguage, string][]; const entries = Object.entries(WASM_GRAMMAR_FILES) as [GrammarLanguage, string][];
await Promise.allSettled( for (const [lang, wasmFile] of entries) {
entries.map(async ([lang, wasmFile]) => { try {
try { const wasmPath = require.resolve(`tree-sitter-wasms/out/${wasmFile}`);
const wasmPath = require.resolve(`tree-sitter-wasms/out/${wasmFile}`); const language = await WasmLanguage.load(wasmPath);
const language = await WasmLanguage.load(wasmPath); languageCache.set(lang, language);
languageCache.set(lang, language); } catch (error) {
} catch (error) { const message = error instanceof Error ? error.message : String(error);
const message = error instanceof Error ? error.message : String(error); console.warn(`[CodeGraph] Failed to load ${lang} grammar — parsing will be unavailable: ${message}`);
console.warn(`[CodeGraph] Failed to load ${lang} grammar — parsing will be unavailable: ${message}`); unavailableGrammarErrors.set(lang, message);
unavailableGrammarErrors.set(lang, message); }
} }
})
);
grammarsInitialized = true; grammarsInitialized = true;
} }