swc-project/swc - CodSpeed

swc

Performance History

Latest Results

fix(react-compiler): preserve intrinsic JSX tags during binding renames Keep standalone lowercase JSX tags unchanged when applying binding renames to retained source. Continue renaming component references. Add regression coverage for shadowed constants, callback parameters, and component tags.

jimmyhmiller:fix/react-compiler-intrinsic-jsx-renames

18 minutes ago

fix(es/parser): align TypeScript expression lookahead Allow instantiations before compound assignments while preserving regexp and right-angle ambiguities. Leave shifts outside non-import type queries and keep import arguments on their owning nodes. Report cast erasure conflicts as recoverable diagnostics while retaining complete expression ASTs. Use parser diagnostics in strip and transform modes and remove redundant assertion checks.

fix/ts-parser-lookahead

3 hours ago

chore: add changeset for TypeScript namespace and enum semantics

fix/ts-namespace-enum-bindings

3 hours ago

fix(es/parser): align TypeScript expression lookahead Allow instantiations before compound assignments while preserving regexp and right-angle ambiguities. Leave shifts outside non-import type queries and keep import arguments on their owning nodes. Report cast erasure conflicts as recoverable diagnostics while retaining complete expression ASTs. Validate strip-only input through the parser and remove redundant assertion checks.

fix/ts-parser-lookahead

5 hours ago

fix(es/parser): align TypeScript expression lookahead Allow instantiations before compound assignments while preserving regexp and right-angle ambiguities. Leave shifts outside non-import type queries and keep import arguments on their owning nodes. Report TypeScript cast erasure conflicts as recoverable diagnostics. Preserve expression ASTs and check nested casts in a single linear pass.

fix/ts-parser-lookahead

6 hours ago

fix(native-addon): use ProgramData after unsafe Windows profile caches (#12534) **Description:** Windows native addon loading fails when both `%LOCALAPPDATA%\swc` and `%USERPROFILE%\.swc-cache` grant another SID directory replacement rights. The loader now tries `%ProgramData%` as a third cache root, while retaining ancestor ACL checks and a protected per-user cache namespace. It retries only cache failures; integrity errors stop loading. Windows fixtures cover the reported SID pattern, all-root failures, custom and temporary modes, and live Node loading. **BREAKING CHANGE:** None. **Related issue (if exists):** Closes #12527 **Validation:** - `cargo fmt --all` — passed. - `cargo clippy --all --all-targets -- -D warnings` — passed. - `cargo test -p swc_native_addon` and `cargo test -p binding_native_addon` — passed on macOS with a canonical temporary directory. - `pnpm build:dev && pnpm test` in `packages/core` — passed; 119 tests passed, 3 skipped. - [Native carrier lifecycle CI](https://github.com/swc-project/swc/actions/runs/38506562565) — passed on Linux, macOS, Windows x64, and Windows ARM64 for source commit `cce40d58b454bc2731efe468ce2b9874417b49c7`. The subsequent changeset commit adds release metadata only. Local validation was not rerun after it. ## AI assistance and human review AI was used to prepare these changes. Human-reviewed by @kdy1. - Harness: Codex desktop

main

16 hours ago

chore: Add changeset

kdy1/fix-native-cache-12527

16 hours ago

ci: Ignore unreachable ruzstd advisory in Wasmer (#12533)   **Description:** The dependency check fails on RUSTSEC-2026-0344 in `ruzstd 0.5.0`, which is pulled in by `wasmer-compiler 6.1.0-rc.3` through `object 0.32.2`. Add an advisory exception with a source-based explanation. Wasmer enables the default `object` features but only uses its object-writing APIs. It does not read or decompress compressed object sections, so the affected decoder is not used by this dependency path. `object 0.32` requires `ruzstd 0.5`, while the fix is in `ruzstd 0.9.1`. Revisit the exception when Wasmer upgrades its `object` dependency. This changes CI policy only. No Rust crate release is required; the add-changeset inventory reports no changed publishable crates. **Related issue (if exists):** Failed CI job: https://github.com/swc-project/swc/actions/runs/38446465634/job/115466741069 **Validation:** Validated commit `167c8d1e056489355d60dd06dc6ef95ed35d88b7`: - `cargo deny check` with cargo-deny 0.18.9: passed all four checks. - The original deny configuration fails on RUSTSEC-2026-0344 with the same dependency graph and advisory database. - `cargo fmt --all`: passed. - `cargo clippy --all --all-targets -- -D warnings`: passed. - Initialized all submodules before validation. No Rust crate files changed, so crate-level tests do not apply.

main

19 hours ago

Latest Branches

fix(react-compiler): preserve intrinsic JSX tags during binding renames#12536

1 day ago

4508b30

jimmyhmiller:fix/react-compiler-intrinsic-jsx-renames

fix(es/parser): align TypeScript expression lookahead#12535

1 day ago

563acc2

fix/ts-parser-lookahead

+1%

fix(es/typescript): Fix merged namespace bindings and enum evaluation#12455

4 hours ago

7d52e47

fix/ts-namespace-enum-bindings

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