[0.31.0] - 2024-10-08

• 01b878e parser: [BREAKING] Use BindingIdentifier for namespace declaration names (feat(parser)!: use BindingIdentifier for namespace declaration names #6003) (DonIsaac)

• 95ca01c cfg: [BREAKING] Make BasicBlock::unreachable private (refactor(cfg)!: make BasicBlock::unreachable private #6321) (DonIsaac)

• 020bb80 codegen: [BREAKING] Change to CodegenReturn::code and CodegenReturn::map (refactor(codegen)!: change to CodegenReturn::code and CodegenReturn::map #6310) (Boshen)

• 409dffc traverse: [BREAKING] generate_uid return a BoundIdentifier (refactor(traverse)!: generate_uid return a BoundIdentifier #6294) (overlookmotel)

• 5a73a66 regular_expression: [BREAKING] Simplify public APIs (refactor(regular_expression)!: Simplify public APIs #6262) (leaysgur)

• 32d972e parser: [BREAKING] Treat unambiguous files containing TS export assignments as modules (refactor(parser)!: treat unambiguous files containing TS export assignments as modules #6253) (overlookmotel)

• 4f6bc79 transformer: [BREAKING] Remove source_type param from Transformer::new (refactor(transformer)!: remove source_type param from Transformer::new #6251) (overlookmotel)

• afc3ccb napi/transform: [BREAKING] Rename TransformOptions::react to jsx. (feat(napi/transform)!: rename TransformOptions::react to jsx. #6211) (Boshen)

• 82ab689 transformer,minifier: [BREAKING] Move define and inject plugin from minifier to transformer (feat(transformer,minifier)!: move define and inject plugin from minifier to transformer #6199) (Boshen)

Features

• fa4d505 cfg: Derive more base traits for CFG blocks (feat(cfg): derive more base traits for CFG blocks #6320) (DonIsaac)
• 14275b1 cfg: Color-code edges in CFG dot diagrams (feat(cfg): color-code edges in CFG dot diagrams #6314) (DonIsaac)
• 7566c2d data_structures: Add as_slice + as_mut_slice methods to stacks (feat(data_structures): add as_slice + as_mut_slice methods to stacks #6216) (overlookmotel)
• c3c3447 data_structures: Add oxc_data_structures crate; add stack (feat(data_structures): add oxc_data_structures crate; add stack #6206) (Boshen)
• e304e8c minifier: Minify exponential arithmetic operation. (feat(minifier): minify exponential arithmetic operation. #6281) (7086cmd)
• f9ae70c minifier: Minify basic arithmetic calculations. (feat(minifier): minify basic arithmetic calculations. #6280) (7086cmd)
• 4008afe minifier: Fold array and object constructors (feat(minifier): fold array and object constructors #6257) (camchenry)
• 115ccc9 minifier: Bitwise not in exceeded value. (feat(minifier): bitwise not in exceeded value. #6235) (7086cmd)
• ee6c850 minifier: Scaffold peephole replace known methods. (feat(minifier): scaffold peephole replace known methods. #6245) (7086cmd)
• c32af57 minifier: Fold demical bitwise not for bigint. (feat(minifier): fold demical bitwise not for bigint. #6233) (7086cmd)
• 23b6464 minifier: Fold true / false comparison. (feat(minifier): fold true / false comparison. #6225) (7086cmd)
• 585ccda minifier: Support subtraction assignment. (feat(minifier): support subtraction assignment. #6214) (7086cmd)
• cca0034 minifier: Handle positive NaN and Infinity. (feat(minifier): handle positive NaN and Infinity. #6207) (7086cmd)
• dac8f09 minifier: Minify unary plus negation. (feat(minifier): minify unary plus negation. #6203) (7086cmd)
• 3b79e1b minifier: Evaluate bigint in fold constant (feat(minifier): evaluate bigint in fold constant #6178) (Boshen)
• abd3a9f napi/transform: Perform dce after define plugin (feat(napi/transform): perform dce after define plugin #6312) (Boshen)
• a0ccc26 napi/transform: Add lang option to change source type (feat(napi/transform): add lang option to change source type #6309) (Boshen)
• f98e12c napi/transform: Add inject plugin (feat(napi/transform): add inject plugin #6250) (Boshen)
• 291891e napi/transform: Add define option (feat(napi/transform): add define option #6212) (Boshen)
• 51a78d5 napi/transform: Rename all mention of React to Jsx; remove mention of Binding (feat(napi/transform): rename all mention of React to Jsx; remove mention of Binding #6198) (Boshen)
• 2f888ed oxc: Add napi transform options (feat(oxc): add napi transform options #6268) (Boshen)
• 8729755 oxc,napi/transform: Napi/transform use oxc compiler pipeline (feat(oxc,napi/transform): napi/transform use oxc compiler pipeline #6298) (Boshen)
• f6e42b6 sourcemap: Add support for sourcemap debug IDs (feat(sourcemap): Add support for sourcemap debug IDs #6221) (Tim Fish)
• 9e62396 syntax_operations: Add crate oxc_syntax_operations (feat(syntax_operations): add crate oxc_syntax_operations #6202) (Boshen)
• cf20f3a transformer: Exponentiation transform: support private fields (feat(transformer): exponentiation transform: support private fields #6345) (overlookmotel)

Bug Fixes

• 84b2d07 codegen: Converts line comment to block comment if it is a PURE comment (fix(codegen): converts line comment to block comment if it is a PURE comment #6356) (Dunqing)
• e9eeae0 isolated-declarations: False positive for function with a type asserted parameters (fix(isolated-declarations): false positive for function with a type asserted parameters #6181) (Dunqing)
• d953a6b minifier: Correct the reference link (fix(minifier): correct the reference link #6283) (dalaoshu)
• 37cbabb minifier: Should not handle the strict operation for bool comparison. (fix(minifier): should not handle the strict operation for bool comparison. #6261) (7086cmd)
• e29c067 minifier: Handle exceeded shifts. (fix(minifier): handle exceeded shifts. #6237) (7086cmd)
• 294da86 napi/transform: Fix index.d.ts (Boshen)
• 9736aa0 oxc_transformer: Define import.meta and import.meta.* (fix(oxc_transformer): define import.meta and import.meta.* #6277) (IWANABETHATGUY)
• 6159560 parser: String ImportSpecifiers for type imports (fix(parser): string ImportSpecifiers for type imports #6352) (DonIsaac)
• 1380d8b parser: Should regard comments where after = as leading comments of next token (fix(parser): should regard comments where after = as leading comments of next token #6355) (Dunqing)
• 2bcd12a transformer: Exponentiation transform: fix reference flags (fix(transformer): exponentiation transform: fix reference flags #6330) (overlookmotel)
• 28cbfa7 transformer: Exponentiation transform: fix temp var names (fix(transformer): exponentiation transform: fix temp var names #6329) (overlookmotel)
• 3a4bcc7 transformer: Exponentiation transform: fix temp var names (fix(transformer): exponentiation transform: fix temp var names #6318) (overlookmotel)
• ccb7bdc transformer: Exponentiation transform: do not replace object when private property (fix(transformer): exponentiation transform: do not replace object when private property #6313) (overlookmotel)
• 56d50cf transformer: Exponentiation transform: do not assume Math is not a local var (fix(transformer): exponentiation transform: do not assume Math is not a local var #6302) (overlookmotel)
• bd81c51 transformer: Exponentiation transform: fix duplicate symbols (fix(transformer): exponentiation transform: fix duplicate symbols #6300) (overlookmotel)
• 06797b6 transformer: Logical assignment operator transform: fix reference IDs (fix(transformer): logical assignment operator transform: fix reference IDs #6289) (overlookmotel)
• 4b42047 transformer: Fix memory leak in ReplaceGlobalDefines (fix(transformer): fix memory leak in ReplaceGlobalDefines #6224) (overlookmotel)
• a28926f transformer: Fix inserting require with front option (fix(transformer): fix inserting require with front option #6188) (overlookmotel)
• b92fe84 transformer: NonEmptyStack::push write value before updating cursor (fix(transformer): NonEmptyStack::push write value before updating cursor #6169) (overlookmotel)

Performance

• 5db9b30 allocator: Use lower bound of size hint when creating Vecs from an iterator (perf(allocator): use lower bound of size hint when creating Vecs from an iterator #6194) (DonIsaac)
• 788e444 transformer: Parse options from comments only once (perf(transformer): parse options from comments only once #6152) (overlookmotel)
• da2b2a4 transformer: Look up SymbolId for require only once (perf(transformer): look up SymbolId for require only once #6192) (overlookmotel)
• 40bd919 transformer: Faster parsing JSX pragmas from comments (perf(transformer): faster parsing JSX pragmas from comments #6151) (overlookmotel)

Documentation

• eb1d0b8 transformer: Exponentiation transform: update doc comments (docs(transformer): exponentiation transform: update doc comments #6315) (overlookmotel)
• c7636d7 traverse: Remove erroneous doc comment (docs(traverse): remove erroneous doc comment #6328) (overlookmotel)

Refactor

• f7d1136 allocator: Remove unnecessary Vec impl (refactor(allocator): remove unnecessary Vec impl #6213) (overlookmotel)
• 40932f7 cfg: Use IndexVec for storing basic blocks (refactor(cfg): use IndexVec for storing basic blocks #6323) (DonIsaac)
• a1e0d30 cfg: Add type alias for Graph (refactor(cfg): add type alias for Graph #6322) (DonIsaac)
• 7672793 cfg: Move block data types to separate file (refactor(cfg): move block data types to separate file #6319) (DonIsaac)
• cc57541 data_structures: NonEmptyStack::len hint that len is never 0 (refactor(data_structures): NonEmptyStack::len hint that len is never 0 #6220) (overlookmotel)
• 147a5d5 data_structures: Remove is_empty methods for non-empty stacks (refactor(data_structures): remove is_empty methods for non-empty stacks #6219) (overlookmotel)
• 61805fd data_structures: Add debug assertion to SparseStack (refactor(data_structures): add debug assertion to SparseStack #6218) (overlookmotel)
• dbfa0bc data_structures: Add len method to StackCommon trait (refactor(data_structures): add len method to StackCommon trait #6215) (overlookmotel)
• ac5a23f minifier: Use ctx.ast.vec instead of Vec::new. (refactor(minifier): use ctx.ast.vec instead of Vec::new. #6331) (7086cmd)
• 1cee207 minifier: Some boilerplate work for PeepholeFoldConstants (refactor(minifier): some boilerplate work for PeepholeFoldConstants #6054) (Boshen)
• 5b5daec napi: Use vitest (refactor(napi): use vitest #6307) (Boshen)
• 58a8615 napi/transform: Remove context (refactor(napi/transform): remove context #6306) (Boshen)
• 099ff3a napi/transform: Remove "Binding" from types; fix type error (refactor(napi/transform): remove "Binding" from types; fix type error #6260) (Boshen)
• 54c1c53 napi/transform: Remove a call on TransformOptions::clone (refactor(napi/transform): remove a call on TransformOptions::clone #6210) (Boshen)
• aa0dbb6 oxc: Add napi feature, change napi parser to use oxc crate (refactor(oxc): add napi feature, change napi parser to use oxc crate #6265) (Boshen)
• 3b53dd4 parser: Provide better error messages for const modifiers on class elements (refactor(parser): provide better error messages for const modifiers on class elements #6353) (DonIsaac)
• acab777 regular_expression: Misc fixes (refactor(regular_expression): Misc fixes #6234) (leaysgur)
• bdd9e92 semantic: Rename vars from ast_node_id to node_id (refactor(semantic): rename vars from ast_node_id to node_id #6304) (overlookmotel)
• d110700 semantic: Dereference IDs as quickly as possible (refactor(semantic): dereference IDs as quickly as possible #6303) (overlookmotel)
• 03bc041 syntax: Remove some unsafe code creating IDs (refactor(syntax): remove some unsafe code creating IDs #6324) (overlookmotel)
• bd5fb5a transformer: Exponentiation transform: rename methods (refactor(transformer): exponentiation transform: rename methods #6344) (overlookmotel)
• 4aa4e6b transformer: Exponentiation transform: do not wrap in SequenceExpression if not needed (refactor(transformer): exponentiation transform: do not wrap in SequenceExpression if not needed #6343) (overlookmotel)
• a15235a transformer: Exponentiation transform: no cloning (refactor(transformer): exponentiation transform: no cloning #6338) (overlookmotel)
• 7d93b25 transformer: Exponentiation transform: split into 2 paths (refactor(transformer): exponentiation transform: split into 2 paths #6316) (overlookmotel)
• 15cc8af transformer: Exponentiation transform: break up into functions (refactor(transformer): exponentiation transform: break up into functions #6301) (overlookmotel)
• 7f5a94b transformer: Use Option::get_or_insert_with (refactor(transformer): use Option::get_or_insert_with #6299) (overlookmotel)
• 0cea6e9 transformer: Exponentiation transform: reduce identifier cloning (refactor(transformer): exponentiation transform: reduce identifier cloning #6297) (overlookmotel)
• ac7a3ed transformer: Logical assignment transform: reduce identifier cloning (refactor(transformer): logical assignment transform: reduce identifier cloning #6296) (overlookmotel)
• 527f7c8 transformer: Nullish coalescing transform: no cloning identifier references (refactor(transformer): nullish coalescing transform: no cloning identifier references #6295) (overlookmotel)
• 7b62966 transformer: Move BoundIdentifier into oxc_traverse crate (refactor(transformer): move BoundIdentifier into oxc_traverse crate #6293) (overlookmotel)
• c7fbf68 transformer: Logical assignment operator transform: no cloning identifier references (refactor(transformer): logical assignment operator transform: no cloning identifier references #6290) (overlookmotel)
• f0a74ca transformer: Prefer create_bound_reference_id to create_reference_id (refactor(transformer): prefer create_bound_reference_id to create_reference_id #6282) (overlookmotel)
• ba3e85b transformer: Fix spelling (refactor(transformer): fix spelling #6279) (overlookmotel)
• bc757c8 transformer: Move functionality of common transforms into stores (refactor(transformer): move functionality of common transforms into stores #6243) (overlookmotel)
• 1c31932 transformer: Rename var in VarDeclarations common transform (refactor(transformer): rename var in VarDeclarations common transform #6242) (overlookmotel)
• 0400ff9 transformer: VarDeclarations common transform: check if at top level with ctx.parent() (refactor(transformer): VarDeclarations common transform: check if at top level with ctx.parent() #6231) (overlookmotel)
• 235cdba transformer: Use AstBuilder instance from TraverseCtx (refactor(transformer): use AstBuilder instance from TraverseCtx #6209) (overlookmotel)
• a7ed29e transformer: Insert import statement or require depending on source type (refactor(transformer): insert import statement or require depending on source type #6191) (overlookmotel)
• 4c63f0e transformer: Rename methods (refactor(transformer): rename methods #6190) (overlookmotel)
• 900cb46 transformer: Convert ModuleImports into common transform (refactor(transformer): convert ModuleImports into common transform #6186) (overlookmotel)
• 00e2802 transformer: Introduce TopLevelStatements common transform (refactor(transformer): introduce TopLevelStatements common transform #6185) (overlookmotel)
• 70d4c56 transformer: Rename VarDeclarationsStore methods (refactor(transformer): rename VarDeclarationsStore methods #6184) (overlookmotel)
• 81be545 transformer: Export var_declarations module from common module (refactor(transformer): export var_declarations module from common module #6183) (overlookmotel)
• 02fedf5 transformer: Shorten import (refactor(transformer): shorten import #6180) (overlookmotel)
• f2ac584 transformer: Use TraverseCtx's ast in ModuleImports (refactor(transformer): use TraverseCtx's ast in ModuleImports #6175) (Dunqing)
• 21b08ba transformer: Shared VarDeclarations (refactor(transformer): shared VarDeclarations #6170) (overlookmotel)
• 0dd9a2e traverse: Add helper methods to BoundIdentifier (refactor(traverse): add helper methods to BoundIdentifier #6341) (overlookmotel)
• c0e2fef traverse: Function to get var name from node (refactor(traverse): function to get var name from node #6317) (overlookmotel)
• adc5381 traverse: TraverseAncestry use NonEmptyStack (refactor(traverse): TraverseAncestry use NonEmptyStack #6217) (overlookmotel)

Testing

• 964d71e minifier: Add arithmetic tests for fold constants. (test(minifier): add arithmetic tests for fold constants. #6269) (7086cmd)
• fcb4651 minifier: Enable null comparison with bigint. (test(minifier): enable null comparison with bigint. #6252) (7086cmd)
• d4f2ee9 transformer: Tidy up transform checker (test(transformer): tidy up transform checker #6287) (overlookmotel)
• 0f5afd7 transformer: Transform checker output symbol name for mismatches (test(transformer): transform checker output symbol name for mismatches #6286) (overlookmotel)