feat(ai-isolate-quickjs): support custom WASM locations - #1099
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AlemTuzlak merged 8 commits intoAug 14, 2026
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…QuickJsWASM driver and documentation update
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📝 WalkthroughWalkthroughThe QuickJS isolate driver adds an optional ChangesQuickJS WASM loading
Estimated code review effort: 3 (Moderate) | ~20 minutes Mergeability Score: 🟡 Moderate · up to The PR adds configurable WASM loading while preserving the existing default behavior, but its new test remains outside the required test location; the change is not fully merge-ready until that placement is corrected or explicitly accepted. Sequence Diagram(s)sequenceDiagram
participant Driver
participant QuickJSModule
participant QuickJSContext
Driver->>QuickJSModule: Select bundled module or create custom module from wasmLocation
QuickJSModule-->>Driver: Return initialized module
Driver->>QuickJSContext: Create context with selected module
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In `@docs/config.json`:
- Line 387: Update the updatedAt field in docs/config.json for the Code Mode
Isolate Drivers documentation entry from 2026-07-20 to 2026-08-13, leaving
unrelated configuration unchanged.
In `@packages/ai-isolate-quickjs/tests/wasm-location.test.ts`:
- Around line 1-27: Move the wasm-location unit test beside the source module
under the src directory, and update its createQuickJSIsolateDriver import to the
local ./isolate-driver path. Preserve the existing test setup and assertions
unchanged.
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.changeset/quickjs-wasm-location.mddocs/code-mode/code-mode-isolates.mddocs/config.jsonpackages/ai-isolate-quickjs/README.mdpackages/ai-isolate-quickjs/src/isolate-driver.tspackages/ai-isolate-quickjs/tests/wasm-location.test.ts
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Thanks for the PR, @SilvioYMollov! 🙌 @tombeckenham will take a look. Automated pre-review checks
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quickjs-emscriptenexposes configurable WASM variants through its public API.The package provides
RELEASE_SYNC, which describes the synchronous release build used by the isolate driver. ItsnewVariant()function creates a variant with customized Emscripten loader options:per the opened discussion
🎯 Changes
Adds an optional
wasmLocationsetting to the QuickJS isolate driver.This allows applications to load the QuickJS WASM binary from a custom URL or path, such as a public directory or CDN. When
wasmLocationis omitted, the existing sharedquickjs-emscriptenmodule loading behavior is preserved.wasmLocationtoQuickJSIsolateDriverConfig@tanstack/ai-isolate-quickjs✅ Checklist
pnpm run test:pr.🚀 Release Impact
Summary by CodeRabbit
New Features
wasmLocationsetting to load the QuickJS WebAssembly binary from a custom URL or path.Documentation