swc_ecma_transforms_typescript

Features

• (es/minifier) Remove inlined IIFE arg and param (#11446) (baa1ae3)

Miscellaneous Tasks

• (deps) Update browserslist-data to v0.1.5 (#11454) (e9f78f0)

Bug Fixes

• (ci) Handle merged PRs separately in milestone manager (#11409) (3554268)

• (es/compat) Preserve this context in nested arrow functions (#11423) (f2bdaf2)

• (es/es2017) Replace this in arrow functions during async-to-generator (#11450) (a993da6)

Features

• (bindings/wasm) Enable ecma_lints feature to support semantic error detection (#11414) (1faa4a5)

• (es/hooks) Implement VisitMutHook for Either type (#11428) (395c85e)

• (es/hooks) Implement VisitMutHook for Option<H> (#11429) (0bf1954)

• (es/hooks) Add VisitHook trait for immutable AST visitors (#11437) (3efb41d)

• (es/minifier) Improve nested template literal evaluation (#11411) (147df2f)

• (es/minifier) Remove inlined IIFE arg and param (#11436) (2bc5d40)

Miscellaneous Tasks

• (deps) Update rkyv (#11419) (432197b)

• (deps) Update lru to 0.16.3 (#11438) (67c2d75)

• (helpers) Replace MagicString with ast-grep's built-in edit API (#11410) (a3f0d33)

• (hstr/wtf8) Address legacy FIXME comments by switching to derives (#11416) (f03bfd8)

Performance

• (es/codegen, es/utils) Migrate to dragonbox_ecma for faster Number::toString (#11412) (b7978cc)

• (es/react) Optimize JSX transforms to reduce allocations (#11425) (2a20cb6)

Refactor

• (es) Improve TypeScript transform configuration structure (#11434) (f33a975)

• (es/minifier) Migrate MinifierPass to Pass trait (#11442) (a41e631)

• (es/minifier) Improve tpl to str (#11415) (0239523)

• (es/react) Port to VisitMutHook (#11418) (9604d9c)

• (es/transformer) Remove OptionalHook wrapper in favor of Option<H> (#11430) (72da6bd)

• (es/transforms) Migrate TypeScript transform to Pass trait (#11439) (dd007c6)

Testing

• (es) Enable benchmark for swc (#11420) (3a50a25)

• Disable LTO for benchmarks (#11421) (af3c2d3)

• Use rstest as the test framework (#11417) (fae258f)

Ci

• Collapse preivous claude[bot] PR review comments (affb6a2)

Bug Fixes

• (es/minifier) Evaluate TemplateLiteral in BinaryExpression (#11406) (8d1b6f6)

• (es/minifier) More strict check if cannot add ident when invoking IIFE (#11399) (03642aa)

Features

• (es/transformer) Merge static_blocks (#11403) (55a5083)

Performance

• (es/parser) Use byte_search to optimize scan_jsx_token (#11398) (f9b4da2)

• Reduce binary size with panic=abort and ICU optimizations (#11401) (18088b2)

Refactor

• (es/compiler) Drop the crate (#11407) (8faa14e)

Bug Fixes

• (es/minifier) Prevent unsafe sequence merging in super() calls (#11381) (eb02780)

• (es/transformer) Fix variable declaration for nullish coalescing in else-if branches (#11384) (6746002)

• (es/transforms) Update _ts_rewrite_relative_import_extension helper code (#11382) (1ec444e)

Features

• (es/minifier) Support BinaryExpression for Evaluator (#11390) (6c76f0a)

• (es/transformer) Merge private_properties_in_object (#11378) (769c9d2)

Performance

• (es/minifier) Optimize data structures of ProgramData (#11374) (3639523)

• (es/parser) Remove Iterator implementation for Lexer (#11393) (5941018)

• (es/parser) Optimize do_outside_of_context and do_inside_of_context (#11394) (4210cf1)

• (es/parser) Remove is_first in lexer state (#11395) (97d903b)

Refactor

• (es/minifier) Move drop_console and unsafes from Pure to Optimizer (#11388) (ee40804)

• (es/parser) Distinguish JsxText from Str (#11387) (63c4c44)

• (es/transformer) Port var injector (#11383) (cfff553)

Bug Fixes

• (es/transformer) Fix missing var declaration in nullish coalescing with spreads (#11377) (686d154)

Performance

• (es/parser) Remove raws in TokenValue (#11373) (78a5327)

Bug Fixes

• (es/compat) Preserve return value for single-property object destructuring (#11334) (847ad22)

• (es/compat) Fix generator transform for compound assignments, for-in, and labeled break (#11339) (9b6bedd)

• (es/compat) Destructuring evaluation order (#11337) (49d04c7)

• (es/helpers) Avoid extra trap calls on excluded keys in object rest spread (#11338) (4662caf)

Performance

• (es/parser) Small optimization after byte-based lexer (#11340) (c92ea4e)

• (es/parser) Use slice rather than matching keywords (#11341) (b6ad2cb)

Bug Fixes

• (es/minifier) Fix debug cargo feature (#11325) (be86fad)

• (es/minifier) Fix optimization pass for merge_imports (#11331) (ca2f7ed)

• (es/parser) Don't call bump_bytes in the continue_if of byte_search! (#11328) (583619d)

• (es/parser) Support type-only string literal in import specifiers (#11333) (07762f1)

Performance

• (es/compat) Merge exponentation_operator (#11310) (0ef3637)

• (parser) Make all parsers work by byte instead of char (#11318) (725efd1)

Bug Fixes

• (es/codegen) Emit comments of all nodes (#11314) (387ee0f)

Miscellaneous Tasks

• (es/transformer) Determine project structure (#11306) (58f2602)

Performance

• (es/compat) Merge regexp pass into Transformer (#11307) (440b391)

• (es/compat) Merge export_namespace_from to Transformer (#11309) (7a528ce)

Refactor

• (es/transfomer) Prevent breaking change (#11308) (45827fa)

Bug Fixes

• (cli) Update plugin template to use VisitMut API (#11218) (6a87e41)

• (hstr) Skip only \u for unicode (#11216) (eda01e5)

Features

• (hstr) Support checked from_bytes for Wtf8Buf and Wtf8 (#11211) (1430489)

Performance

• (es/parser) Remove start in State (#11201) (b9aeaa3)

Refactor

• (ast) Introduce flexible serialization encoding for AST (#11100) (8ad3647)

• (plugin) Switch plugin abi to flexible serialization (#11198) (e5feaf1)

• Flatten cargo workspaces (#11213) (6223100)

Testing

• Copy opt-level configs to the top level workspace (#11210) (dba23f5)

Bug Fixes

• (atoms) Fix broken quote macro (#11195) (3485179)

• (hstr) Fix unsoundness of wtf8's transmutation (#11194) (f27e65b)

Bug Fixes

• (es/ast) Fix unicode unpaired surrogates handling (#11144) (845512c)

Features

• (es/compiler) Merge nullish_coalescing into Compiler (#11157) (dd6f71b)

• (es/parser) Add an error for empty type args for generic (#11164) (9a1fa84)

Miscellaneous Tasks

• (binding_macros) Add default-features = false (#11193) (85d855f)

Refactor

• (bindings) Adjust compile options (#11190) (4c6df95)

• (bindings) Add opt-level = s to more crates (#11191) (ed63413)

• (es/ast) Cherry-pick #10763 (#11182) (e93ffde)

• (es/parser) Detach swc_ecma_parser from swc_ecma_lexer (#11148) (94f175d)

Bug Fixes

• (bindings) Improve ARM64 and Alpine Linux (musl) binary loading and validation (#11173) (f9be4d7)

• (es/helpers) Fix SuppressedError argument order in explicit resource management (#11172) (7693fb9)

• (es/minifier) Fix inlining of hoisted functions in param (#11161) (5a4088d)

• (es/parser) Support literal computed property names in enums (#11163) (146c77c)

Bug Fixes

• (es/minifier) Fix inlining of hoisted functions (#11159) (bd55d30)

Bug Fixes

• (es/codegen) Encode non-ASCII chars in regex with ascii_only option (#11155) (b6f4d1f)

• (es/compat) Preserve AutoAccessor to prevent panic (#11150) (101c3b7)

• (es/decorators) Emit correct metadata for enum parameters (#11154) (630484f)

Features

• (es/minifier) Add merge_imports optimization pass to reduce bundle size (#11151) (a01dee1)

Miscellaneous Tasks

• (deps) Update lru crate from 0.10.1 to 0.16.1 (#11145) (e347c5b)

Refactor

• (ast_node) Make AST enums non_exhaustive (#11115) (f328e4a)

Bug Fixes

• (es/compat) Apply Array.prototype.slice to arguments in loose spread (#11122) (66428a2)

• (es/compat) Handle sparse arrays correctly in generator transforms (#11131) (9cd4334)

• (es/transforms) Check errors::HANDLER.is_set() before failing (#11130) (1c9ab27)

Miscellaneous Tasks

• (claude) Use Sonnet 4.5 instead of Opus (c79e1e5)

Bug Fixes

• (es/minifier) Preserve __proto__ shorthand property behavior (#11123) (63dbd1d)

• (es/parser) Parse (void) correctly as arrow function return type (#11125) (d3e5dd3)

Performance

• (es/minifier) Reduce clone of atoms (#11076) (89dcb36)

Bug Fixes

• (es/minifier) Check in param before add ident (#11091) (2e61f44)

Bug Fixes

• (es/compat) Preserve typeof symbol in loose mode (#11072) (d92c3bd)

• (es/parser) Capture more tokens (#11081) (6b381c9)

Features

• (es/transforms) Support rewriteRelativeImportExtensions (#11036) (038964a)

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Bug Fixes

• (plugin/runner) Fix wasmtime backend cache corruption (#11077) (1e8b92f)

Features

• (@swc/types) Add preserve to react.runtime (#11068) (50354a1)

Performance

• (es/codegen) Remove char comprison (#11074) (078e319)

• (es/minifier) Lazy get type (#11075) (eb0d615)

Bug Fixes

• (es/ast) Fix unicode lone surrogates handling (#10987) (0557609)

• (es/compat) Handle super in nested arrow function (#11056) (63c5413)

• (es/lexer) Update regexp token span (#11061) (ceb0aff)

• (es/minifier) Make const_to_let work in arrows again (#11062) (79dc8d4)

Performance

• (es/parser) Remove Rc<RefCell<T>> in Capturing (#11058) (be6b695)

Bug Fixes

• (es/lexer) Fix token for &&= (#11037) (d6e76e4)

• (es/minifier) Fix debug feature (#11030) (0a2dcf8)

• (es/optimization) Do not rely on resolver from inline_globals (#11028) (dc392e6)

Features

• (es/minifier) Merge if return void (#11031) (0f177df)

Testing

• (es) Make isModule in test cases available (#11038) (44a5536)

• (es/parser) Use relative file name in typescript tests (#11029) (82c6b0f)

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