- Lower split limits for string and literal RegExp separators across C and LLVM.
- Match JavaScript ToUint32 limit semantics in the runtime.
- Add differential coverage and refresh diagnostics and surface metadata.
* feat(fs): support static writeSync
- Lower Buffer-window and UTF-8 string overloads through the C and LLVM backends.
- Match Node's positioned and current-offset write behavior, validation, and errors.
- Add differential corpus coverage and publish the static surface manifest entry.
* fix(fs): preserve writeSync runtime semantics
* fix fs.writeSync error parity
* fix fs write descriptor errors
- Lower unshift and reverse through the C and LLVM backends.
- Preserve spread, mutation, evaluation-order, and reference-counting semantics.
- Add runtime, differential, and surface-manifest coverage.
* feat(fs): support static rename APIs
- Lower fs.rename, fs.renameSync, and fs/promises.rename through the C and LLVM backends.
- Add runtime callback, error, and promise handling for rename operations.
- Cover typed and check-JS usage with differential corpus tests.
Co-authored-by: ryoppippi <1560508+ryoppippi@users.noreply.github.com>
* fix Windows rename semantics
* fix: move callback rename work off main thread
* fix(runtime): preserve rename callback checkpoints
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Co-authored-by: ryoppippi <1560508+ryoppippi@users.noreply.github.com>
* Support static util.parseArgs
- Lower typed util.parseArgs calls through the C and LLVM backends.
- Add a link-gated native parser with Node-compatible options, tokens, defaults, and errors.
- Cover ESM, CommonJS, default argv, sanitizer, and TS7 behavior.
* fix(runtime): align parseArgs behavior with Node
* fix(runtime): close parseArgs parity gaps
* fix(runtime): match parseArgs edge cases
* fix(runtime): preserve parseArgs short and default semantics
- Stamp all published packages and the compiler surface manifest at 0.0.23.
- Publish release notes for the new runtime, compiler, and web-platform surface.
- Preserve a clean Unreleased section and mark only the latest release body.
* Support Date instance lowering
- Lower read-only Date values and constructors through the C and LLVM backends.
- Add portable calendar helpers, differential coverage, and documented surface contracts.
- Fence unsupported mutation, identity, locale, and component-constructor forms.
Co-authored-by: sensei-woo <sensei-woo@users.noreply.github.com>
* Fix Date exception and timezone semantics
* fix: harden Date lowering edge cases
* fix Date lowering edge cases
* Fix Date union fences and offset clipping
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Co-authored-by: sensei-woo <sensei-woo@users.noreply.github.com>
* Lower AbortController for fetch cancellation
- Add static and dynamic lowering for construction, signal access, and abort calls
- Back controllers with native signal state shared by fetch
- Cover cancellation semantics across C, LLVM, diagnostics, and surface tests
Co-authored-by: sensei-woo <sensei-woo@users.noreply.github.com>
* Fix AbortController abort edge cases
* Fence AbortController method extraction
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Co-authored-by: sensei-woo <sensei-woo@users.noreply.github.com>
* perf(compiler): specialize typed-array element access
- Lower typed-array reads, writes, and lengths directly by IR element kind.
- Preserve coercion, bounds, and receiver lifetime semantics across C and LLVM.
- Cover emission, ABI layout, and Node-differential behavior.
Co-authored-by: morler <478444+morler@users.noreply.github.com>
* fix: retain typed-array receiver across nested assignments
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Co-authored-by: morler <478444+morler@users.noreply.github.com>
* fix(compiler): support implicit top-level await modules
- Match Node 24 syntax detection by treating top-level await as an ES module marker.
- Add differential corpus coverage for TypeScript files without explicit imports or exports.
* fix Node ESM classification for top-level await
* fix ESM require diagnostics and classification caching
* fix require binding and package type precedence
* fix: align top-level await module detection with Node
- Stamp all publishable packages at v0.0.22.
- Publish release notes for persistent builds and external coverage types.
- Refresh the compiler surface manifest for the release.
* fix(compiler): refine narrowed union payload fields
- Treat pure union discriminant reads as stable within compound guards.
- Cover payload-field range refinement in analysis and library builds.
* fix(compiler): preserve field facts across union discriminants
- Classify Node 24 fetch APIs and options by static, dynamic-only, unsupported, and out-of-scope support.
- Project the inventory into the surface manifest and add runtime drift and conformance checks.
- Fence unprofiled Headers members with actionable SC2020 diagnostics.
Chris Tate