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feat(minifier): treeshake pure typed arrays and Set/Map array literals#23469

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feat(minifier): treeshake pure typed arrays and Set/Map array literals#23469
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feat/minifier-pure-typed-arrays-and-collections

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@Dunqing

@Dunqing Dunqing commented Jun 16, 2026

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Summary

Mark side-effect-free new constructions pure so they are dropped when unused (and annotated for downstream tree-shaking):

  • TypedArrays with a non-negative numeric-literal length (new Int8Array(8), new Uint8Array(1024)). The buffer allocation runs no user code; a valid length is pure and a too-large length only throws a maximum-length RangeError, which the minifier is allowed to drop (see docs/ASSUMPTIONS.md). new Int8Array(-1) (negative-length RangeError), new Int8Array(0n) (BigInt TypeError), object, and non-literal arguments are kept.
  • new Set([...]) / new Map([[..], ..]) with array-literal arguments; element side effects are preserved when the construction is dropped. WeakSet/WeakMap are excluded (their keys must be objects, so new WeakSet([1]) throws), and Map entries must be array literals (new Map([1]) throws).

This matches esbuild's per-constructor handling — the only other minifier that keeps every throwing form; Rollup, Terser (unsafe), and SWC drop some of these incorrectly. Cross-verified against the ES spec, esbuild, Terser, Rollup, and SWC.

Minified-size impact: react.development.js −0.04 kB; size-neutral elsewhere (real code uses dynamic buffer lengths, not numeric literals).

Dunqing commented Jun 16, 2026

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@github-actions github-actions Bot added the A-minifier Area - Minifier label Jun 16, 2026
@Dunqing Dunqing marked this pull request as ready for review June 16, 2026 04:05
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Merging this PR will not alter performance

✅ 62 untouched benchmarks
⏩ 9 skipped benchmarks1


Comparing feat/minifier-pure-typed-arrays-and-collections (bee3c28) with main (12e4451)

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Footnotes

  1. 9 benchmarks were skipped, so the baseline results were used instead. If they were deleted from the codebase, click here and archive them to remove them from the performance reports.

@Dunqing Dunqing force-pushed the feat/minifier-pure-typed-arrays-and-collections branch from 48bb82e to bee3c28 Compare June 16, 2026 04:29
@github-actions github-actions Bot added A-linter Area - Linter A-parser Area - Parser A-cli Area - CLI A-linter-plugins Area - Linter JS plugins labels Jun 16, 2026
@Dunqing Dunqing requested a review from sapphi-red June 16, 2026 07:30
@graphite-app graphite-app Bot added the 0-merge Merge with Graphite Merge Queue label Jun 16, 2026
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#23469)

## Summary

Mark side-effect-free `new` constructions pure so they are dropped when unused (and annotated for downstream tree-shaking):

- **TypedArrays** with a non-negative numeric-literal length (`new Int8Array(8)`, `new Uint8Array(1024)`). The buffer allocation runs no user code; a valid length is pure and a too-large length only throws a maximum-length `RangeError`, which the minifier is allowed to drop (see `docs/ASSUMPTIONS.md`). `new Int8Array(-1)` (negative-length `RangeError`), `new Int8Array(0n)` (BigInt `TypeError`), object, and non-literal arguments are kept.
- **`new Set([...])` / `new Map([[..], ..])`** with array-literal arguments; element side effects are preserved when the construction is dropped. `WeakSet`/`WeakMap` are excluded (their keys must be objects, so `new WeakSet([1])` throws), and `Map` entries must be array literals (`new Map([1])` throws).

This matches esbuild's per-constructor handling — the only other minifier that keeps every throwing form; Rollup, Terser (`unsafe`), and SWC drop some of these incorrectly. Cross-verified against the ES spec, esbuild, Terser, Rollup, and SWC.

Minified-size impact: react.development.js −0.04 kB; size-neutral elsewhere (real code uses dynamic buffer lengths, not numeric literals).
@graphite-app graphite-app Bot force-pushed the feat/minifier-pure-typed-arrays-and-collections branch from bee3c28 to 53509a8 Compare June 16, 2026 07:46
graphite-app Bot pushed a commit that referenced this pull request Jun 16, 2026
…ent (#23470)

## Summary

`new Map("ab")` / `new WeakSet("ab")` / `new WeakMap("ab")` throw at runtime (`"a"` is not a `[k, v]` entry, and is not an object), but the shared collection purity table treated `Set`, `Map`, `WeakSet`, and `WeakMap` identically and marked any string argument pure — so these throwing constructions were dropped when unused, silently removing an observable `TypeError`.

Split `Set` (which accepts any iterable of values, so a string argument is pure) from `Map` / `WeakSet` / `WeakMap` (which require `[k, v]` entries / object keys). A degenerate empty-string argument (`new Map("")` — pure, but never written in practice) is conservatively kept rather than special-cased.

This aligns with esbuild, which requires array-literal entries for these constructors. Pre-existing bug, surfaced while reviewing the parent PR (#23469).
@graphite-app graphite-app Bot merged commit 53509a8 into main Jun 16, 2026
29 checks passed
@graphite-app graphite-app Bot removed the 0-merge Merge with Graphite Merge Queue label Jun 16, 2026
@graphite-app graphite-app Bot deleted the feat/minifier-pure-typed-arrays-and-collections branch June 16, 2026 07:51
graphite-app Bot pushed a commit that referenced this pull request Jun 16, 2026
…ent (#23470)

## Summary

`new Map("ab")` / `new WeakSet("ab")` / `new WeakMap("ab")` throw at runtime (`"a"` is not a `[k, v]` entry, and is not an object), but the shared collection purity table treated `Set`, `Map`, `WeakSet`, and `WeakMap` identically and marked any string argument pure — so these throwing constructions were dropped when unused, silently removing an observable `TypeError`.

Split `Set` (which accepts any iterable of values, so a string argument is pure) from `Map` / `WeakSet` / `WeakMap` (which require `[k, v]` entries / object keys). A degenerate empty-string argument (`new Map("")` — pure, but never written in practice) is conservatively kept rather than special-cased.

This aligns with esbuild, which requires array-literal entries for these constructors. Pre-existing bug, surfaced while reviewing the parent PR (#23469).
Boshen added a commit that referenced this pull request Jun 18, 2026
### 💥 BREAKING CHANGES

- 7a76cd3 estree: [**BREAKING**] Make whether to include TS fields a
runtime option (#23574) (overlookmotel)
- e7b6b68 estree: [**BREAKING**] `ESTree` config use methods not consts
(#23573) (overlookmotel)

### 🚀 Features

- 556cc6d data_structures: Add `CodeBuffer::as_str` method (#23571)
(overlookmotel)
- 38c4b06 parser: Add friendly error for adjacent JSX elements (#23378)
(sapphi-red)
- 53509a8 minifier: Treeshake pure typed arrays and Set/Map array
literals (#23469) (Dunqing)
- 09762d9 minifier: Inline const value for read-only vars (#22593)
(Dunqing)

### 🐛 Bug Fixes

- 20375f9 react_compiler: Keep imports referenced only by a computed key
(#23586) (Boshen)
- 31bfd9b minifier: Keep Object introspection calls on a possible Proxy
(#23483) (Dunqing)
- 837a395 parser: Treat a line comment after ':' as leading, not
trailing (#23515) (Dunqing)
- e409fe0 minifier: Keep `new Map`/`WeakSet`/`WeakMap` with a string
argument (#23470) (Dunqing)
- ae02b4e ci/parser: Use `minimal` for vitest reporter (#23457)
(camc314)

### ⚡ Performance

- cf24329 mangler: Compile slot sort once instead of per CAPACITY
(#23577) (Boshen)
- 4058a6a parser: Reduce code bloat from verify_modifiers
monomorphization (#23576) (Boshen)
- 053b0c1 estree: Remove pointless `mem::take` (#23572) (overlookmotel)
- dfb52b6 transformer: Pre-size statement vecs in TS enum & namespace
lowering (#23516) (Yunfei He)
- 970e09a minifier: Compute template-literal inline checks in a single
pass (#23467) (Yunfei He)
- 3170c0e semantic,mangler,minifier: Fix `Semantic::stats` node count
and reuse stats in mangler builds (#23352) (Boshen)
- d1fa6e0 minifier: Evaluate ternary branches once in
minimize_conditional_expression (#23479) (Yunfei He)
- 3fa8051 transformer: Pre-size JSX props vec to attribute count
(#23466) (Yunfei He)
- 488b382 react_compiler: Borrow binding names in prefilter instead of
allocating (#23471) (Yunfei He)
- bcb3894 minifier: Incremental scoping refresh, delete
LiveUsageCollector (#23197) (Dunqing)

### 📚 Documentation

- f68641e data_structures: Improve docs on safety contract (#23575)
(overlookmotel)

Co-authored-by: Boshen <1430279+Boshen@users.noreply.github.com>
Boshen added a commit that referenced this pull request Jun 22, 2026
# Oxlint
### 💥 BREAKING CHANGES

- 36009dd allocator: [**BREAKING**] `GetAllocator::allocator` take
`&self` (#23676) (overlookmotel)

### 🚀 Features

- ff65285 linter: `no-restricted-globals` add missing upstream options
(#23663) (Sysix)
- 7b8bd89 linter/typescript: Implement suggestion for
`no-unnecessary-type-constraint` rule (#23646) (Mikhail Baev)
- 0dc2405 linter: Add schema for `eslint/no-restricted-properties`
(#23619) (Sysix)
- b638d0e linter: Add schema for `node/callback-return` (#23615) (Sysix)
- eb8bedc linter: Add schema for `import/extensions` (#23557)
(WaterWhisperer)
- 46f3625 linter: Implement node/no-sync rule (#23589) (fujitani sora)
- b01739a linter: Add schema for `unicorn/numeric-separators-style`
(#23554) (Mikhail Baev)
- 68afd2a linter/node: Implement `no-mixed-requires` rule (#23539)
(fujitani sora)
- 59d8893 linter: `unicorn/numeric-separators-style` support missing
options (#23524) (Sysix)
- a421215 linter: Add schema for `eslint/prefer-destructuring` (#23410)
(WaterWhisperer)
- 84438be linter/jsdoc: Added missing options to
`require-param-description` (#23416) (kapobajza)
- c145b72 linter/jsdoc/require-param-type: Implement fixer (#23513)
(camc314)
- 51910df linter/jsdoc: Add missing options to `require-param-type` rule
(#23418) (kapobajza)
- e90925f linter/unicorn: Implement prefer-number-coercion rule (#23497)
(Shekhu☺️)
- dd1c866 linter/vue: Implement no-async-in-computed-properties rule
(#23493) (bab)
- b02444e linter: Add schema for `react/jsx-no-script-url` (#23475)
(WaterWhisperer)
- 53509a8 minifier: Treeshake pure typed arrays and Set/Map array
literals (#23469) (Dunqing)
- a8dce46 linter/unicorn: Implement `max-nested-calls` rule (#23461)
(arieleli01212)

### 🐛 Bug Fixes

- b1948a1 linter/radix: Avoid panic on `parseInt` with a spread radix
argument (#23623) (Jerry Zhao)
- f28ccfd linter/prefer-query-selector: Use a compound selector for
multiple classes (#23628) (Jerry Zhao)
- 13f2970 linter/prefer-numeric-literals: Avoid panic on `parseInt` with
a spread radix argument (#23624) (Jerry Zhao)
- 57612b3 linter: Report invalid capitalized-comments ignore patterns
(#23608) (camc314)
- 800ee2a linter/consistent-vitest-vi: Preserve import aliases when
rewriting the import (#23568) (Yunfei He)
- f78b5e1 linter/consistent-indexed-object-style: Don't leak a stray
comma into the value type (#23566) (Yunfei He)
- 6b104e8 linter/radix: Detect a trailing comma only after the argument
(#23569) (Yunfei He)
- 2de20cb linter/unicorn/prefer-at: Correct two-argument `slice().pop()`
index (#23565) (Yunfei He)
- de778ec linter: `unicorn/numeric-separators-style` preserve dot for
floats without decial part (#23553) (Sysix)
- 651027c linter/curly: Remove only the block's own braces (#23580)
(Yunfei He)
- 687e835 linter/array-type: Parenthesize a conditional-type element
(#23579) (Yunfei He)
- 9c80dff linter/unicorn/no-unnecessary-await: Don't paste operators
into invalid syntax (#23556) (Yunfei He)
- 46e1463 linter/no-compare-neg-zero: Delete the `-` of a parenthesized
`-0` (#23578) (Yunfei He)
- d172a97 linter/unicorn/prefer-math-trunk: Skip fixer for LHS with side
effects (#23548) (camc314)
- 1c3a9bd linter/unicorn/prefer-negative-index: Don't report
`Array#with` (#23518) (Yunfei He)
- c17db5d linter/unicorn/prefer-spread: Don't report `.slice()` on
non-array receivers (#23520) (Yunfei He)
- 9cd0c2f linter/unicorn/prefer-date-now: Keep `BigInt` wrapper when
fixing `BigInt(new Date())` (#23523) (Yunfei He)
- 16bb890 linter/unicorn/prefer-array-flat: Skip non-array `flatMap`
receivers (#23527) (Yunfei He)
- 3e6f90f linter/unicorn/no-zero-fractions: Insert a space after any
preceding keyword (#23529) (Yunfei He)
- 79a7d69 linter/eslint/no-useless-assignment: Handle exceptional
control-flow paths (#23544) (camc314)
- e8e2741 linter/unicorn/prefer-math-min-max: Preserve operand source
text in the fix (#23533) (Yunfei He)
- f592154 linter/react/display-name: Ignore lowercase jsx helpers
(#23510) (camc314)
- df7612f linter/jsx-a11y/no-noninteractive-element-to-interactive-role:
Allow custom roles config (#23507) (camc314)
- 924b931 linter/unicorn/prefer-at: Handle checking all indexes
correctly (#23504) (camc314)
- ca9686b linter/unicorn/prefer-at: Report zero indexes (#23503)
(camc314)
- e96a4e3 linter/unicorn/explicit-length-check: Ignore optional chains
(#23487) (camc314)
- a303c23 linter/jsx-a11y: Align `anchor-is-valid` config with upstream
(#23446) (camc314)
- f27a6d1 linter: False positives with non `*.setTimeout` call in
`no-confusing-set-timeout` (#23444) (camc314)

### ⚡ Performance

- 8e0dd65 linter: Emit RuleEnum dispatch match once instead of per
timing branch (#23499) (Boshen)
- d5c7d99 linter/expect-expect: Avoid recompiling matches on every
traversal (#23593) (camc314)
- f191520 linter/no-useless-spread: Avoid collecting `Vec` before
iterating (#23546) (camc314)
- 79340d1 linter: Stream React lifecycle ancestors (#23545) (camc314)
- 1923169 linter/eslint/max-classes: Gate rule by rule config threshold
(#23509) (camc314)
- 3f60de3 linter: Use bucketed dispatch for all files (#23452) (camc314)
- 3699971
linter/typescript/no-unnecessary-parameter-property-assignment: Avoid
temporary vec allocations (#23492) (camc314)
- 4ef0ceb linter/eslint/no-useless-switch-case: Avoid temporary vec
allocations (#23489) (camc314)
- 2e09dd3 linter: Avoid JSX fragment child collections (#23486)
(camc314)
- f30a64c linter/oxc/branches-sharing-code: Borrow shared branch
suggestion text (#23484) (camc314)
- 097a317 linter/eslint/no-control-regex: Retain control regex
candidates in place (#23482) (camc314)
- b3a093d linter: Reuse rule dispatch buckets (#23450) (camc314)
- 9f1a985 oxlint: Start Tokio only for LSP (#23447) (camc314)

### 📚 Documentation

- 9e219de linter/plugins: Update usage instruction (#23495) (Tony)
- b50bf4d linter: Remove manually written options doc for
`eslint/arrow-body-style` (#23490) (Mikhail Baev)
# Oxfmt
### 💥 BREAKING CHANGES

- 36009dd allocator: [**BREAKING**] `GetAllocator::allocator` take
`&self` (#23676) (overlookmotel)

### 🐛 Bug Fixes

- f21ed2c formatter_json: Normalize CRLF for suppressed text (#23702)
(leaysgur)
- 7cd1737 formatter: Normalize CRLF for suppressed text (#23701)
(leaysgur)
- a36e444 formatter: Member chain panic when tail is merged with comment
in dev build (#23698) (leaysgur)
- 600d306 formatter: Preserve parens with default export and type cast
(#23697) (leaysgur)
- 61290f2 formatter: Single-member intersection/union type with comment
formatting (#21915) (Leonabcd123)
- 5a1b0b4 formatter: Parenthesize a type assertion used as the base of
`**` (#23633) (Jerry Zhao)
- 91827e2 formatter: Use `Ordering::reverse()` with `order: desc` for
idempotency (#23543) (leaysgur)
- 8fa7394 formatter_json: Handle wrapped error span (#23472) (leaysgur)
- 37a34a1 oxfmt/lsp: Avoid newlines line ending changes (#23463) (Sysix)

### ⚡ Performance

- 80f1697 formatter: Avoid arena copy for already-lowercase bigint
literals (#23534) (Yunfei He)
- 1a40b71 formatter: Avoid arena copy for borrowed numeric-literal text
(#23512) (Yunfei He)
- 12e4451 formatter: Avoid arena copy for borrowed string-literal text
(#23465) (Yunfei He)

Co-authored-by: Boshen <1430279+Boshen@users.noreply.github.com>
camc314 pushed a commit that referenced this pull request Jul 3, 2026
#23469)

## Summary

Mark side-effect-free `new` constructions pure so they are dropped when unused (and annotated for downstream tree-shaking):

- **TypedArrays** with a non-negative numeric-literal length (`new Int8Array(8)`, `new Uint8Array(1024)`). The buffer allocation runs no user code; a valid length is pure and a too-large length only throws a maximum-length `RangeError`, which the minifier is allowed to drop (see `docs/ASSUMPTIONS.md`). `new Int8Array(-1)` (negative-length `RangeError`), `new Int8Array(0n)` (BigInt `TypeError`), object, and non-literal arguments are kept.
- **`new Set([...])` / `new Map([[..], ..])`** with array-literal arguments; element side effects are preserved when the construction is dropped. `WeakSet`/`WeakMap` are excluded (their keys must be objects, so `new WeakSet([1])` throws), and `Map` entries must be array literals (`new Map([1])` throws).

This matches esbuild's per-constructor handling — the only other minifier that keeps every throwing form; Rollup, Terser (`unsafe`), and SWC drop some of these incorrectly. Cross-verified against the ES spec, esbuild, Terser, Rollup, and SWC.

Minified-size impact: react.development.js −0.04 kB; size-neutral elsewhere (real code uses dynamic buffer lengths, not numeric literals).
camc314 pushed a commit that referenced this pull request Jul 3, 2026
…ent (#23470)

## Summary

`new Map("ab")` / `new WeakSet("ab")` / `new WeakMap("ab")` throw at runtime (`"a"` is not a `[k, v]` entry, and is not an object), but the shared collection purity table treated `Set`, `Map`, `WeakSet`, and `WeakMap` identically and marked any string argument pure — so these throwing constructions were dropped when unused, silently removing an observable `TypeError`.

Split `Set` (which accepts any iterable of values, so a string argument is pure) from `Map` / `WeakSet` / `WeakMap` (which require `[k, v]` entries / object keys). A degenerate empty-string argument (`new Map("")` — pure, but never written in practice) is conservatively kept rather than special-cased.

This aligns with esbuild, which requires array-literal entries for these constructors. Pre-existing bug, surfaced while reviewing the parent PR (#23469).
camc314 pushed a commit that referenced this pull request Jul 3, 2026
### 💥 BREAKING CHANGES

- 7a76cd3 estree: [**BREAKING**] Make whether to include TS fields a
runtime option (#23574) (overlookmotel)
- e7b6b68 estree: [**BREAKING**] `ESTree` config use methods not consts
(#23573) (overlookmotel)

### 🚀 Features

- 556cc6d data_structures: Add `CodeBuffer::as_str` method (#23571)
(overlookmotel)
- 38c4b06 parser: Add friendly error for adjacent JSX elements (#23378)
(sapphi-red)
- 53509a8 minifier: Treeshake pure typed arrays and Set/Map array
literals (#23469) (Dunqing)
- 09762d9 minifier: Inline const value for read-only vars (#22593)
(Dunqing)

### 🐛 Bug Fixes

- 20375f9 react_compiler: Keep imports referenced only by a computed key
(#23586) (Boshen)
- 31bfd9b minifier: Keep Object introspection calls on a possible Proxy
(#23483) (Dunqing)
- 837a395 parser: Treat a line comment after ':' as leading, not
trailing (#23515) (Dunqing)
- e409fe0 minifier: Keep `new Map`/`WeakSet`/`WeakMap` with a string
argument (#23470) (Dunqing)
- ae02b4e ci/parser: Use `minimal` for vitest reporter (#23457)
(camc314)

### ⚡ Performance

- cf24329 mangler: Compile slot sort once instead of per CAPACITY
(#23577) (Boshen)
- 4058a6a parser: Reduce code bloat from verify_modifiers
monomorphization (#23576) (Boshen)
- 053b0c1 estree: Remove pointless `mem::take` (#23572) (overlookmotel)
- dfb52b6 transformer: Pre-size statement vecs in TS enum & namespace
lowering (#23516) (Yunfei He)
- 970e09a minifier: Compute template-literal inline checks in a single
pass (#23467) (Yunfei He)
- 3170c0e semantic,mangler,minifier: Fix `Semantic::stats` node count
and reuse stats in mangler builds (#23352) (Boshen)
- d1fa6e0 minifier: Evaluate ternary branches once in
minimize_conditional_expression (#23479) (Yunfei He)
- 3fa8051 transformer: Pre-size JSX props vec to attribute count
(#23466) (Yunfei He)
- 488b382 react_compiler: Borrow binding names in prefilter instead of
allocating (#23471) (Yunfei He)
- bcb3894 minifier: Incremental scoping refresh, delete
LiveUsageCollector (#23197) (Dunqing)

### 📚 Documentation

- f68641e data_structures: Improve docs on safety contract (#23575)
(overlookmotel)

Co-authored-by: Boshen <1430279+Boshen@users.noreply.github.com>
camc314 pushed a commit that referenced this pull request Jul 3, 2026
# Oxlint
### 💥 BREAKING CHANGES

- 36009dd allocator: [**BREAKING**] `GetAllocator::allocator` take
`&self` (#23676) (overlookmotel)

### 🚀 Features

- ff65285 linter: `no-restricted-globals` add missing upstream options
(#23663) (Sysix)
- 7b8bd89 linter/typescript: Implement suggestion for
`no-unnecessary-type-constraint` rule (#23646) (Mikhail Baev)
- 0dc2405 linter: Add schema for `eslint/no-restricted-properties`
(#23619) (Sysix)
- b638d0e linter: Add schema for `node/callback-return` (#23615) (Sysix)
- eb8bedc linter: Add schema for `import/extensions` (#23557)
(WaterWhisperer)
- 46f3625 linter: Implement node/no-sync rule (#23589) (fujitani sora)
- b01739a linter: Add schema for `unicorn/numeric-separators-style`
(#23554) (Mikhail Baev)
- 68afd2a linter/node: Implement `no-mixed-requires` rule (#23539)
(fujitani sora)
- 59d8893 linter: `unicorn/numeric-separators-style` support missing
options (#23524) (Sysix)
- a421215 linter: Add schema for `eslint/prefer-destructuring` (#23410)
(WaterWhisperer)
- 84438be linter/jsdoc: Added missing options to
`require-param-description` (#23416) (kapobajza)
- c145b72 linter/jsdoc/require-param-type: Implement fixer (#23513)
(camc314)
- 51910df linter/jsdoc: Add missing options to `require-param-type` rule
(#23418) (kapobajza)
- e90925f linter/unicorn: Implement prefer-number-coercion rule (#23497)
(Shekhu☺️)
- dd1c866 linter/vue: Implement no-async-in-computed-properties rule
(#23493) (bab)
- b02444e linter: Add schema for `react/jsx-no-script-url` (#23475)
(WaterWhisperer)
- 53509a8 minifier: Treeshake pure typed arrays and Set/Map array
literals (#23469) (Dunqing)
- a8dce46 linter/unicorn: Implement `max-nested-calls` rule (#23461)
(arieleli01212)

### 🐛 Bug Fixes

- b1948a1 linter/radix: Avoid panic on `parseInt` with a spread radix
argument (#23623) (Jerry Zhao)
- f28ccfd linter/prefer-query-selector: Use a compound selector for
multiple classes (#23628) (Jerry Zhao)
- 13f2970 linter/prefer-numeric-literals: Avoid panic on `parseInt` with
a spread radix argument (#23624) (Jerry Zhao)
- 57612b3 linter: Report invalid capitalized-comments ignore patterns
(#23608) (camc314)
- 800ee2a linter/consistent-vitest-vi: Preserve import aliases when
rewriting the import (#23568) (Yunfei He)
- f78b5e1 linter/consistent-indexed-object-style: Don't leak a stray
comma into the value type (#23566) (Yunfei He)
- 6b104e8 linter/radix: Detect a trailing comma only after the argument
(#23569) (Yunfei He)
- 2de20cb linter/unicorn/prefer-at: Correct two-argument `slice().pop()`
index (#23565) (Yunfei He)
- de778ec linter: `unicorn/numeric-separators-style` preserve dot for
floats without decial part (#23553) (Sysix)
- 651027c linter/curly: Remove only the block's own braces (#23580)
(Yunfei He)
- 687e835 linter/array-type: Parenthesize a conditional-type element
(#23579) (Yunfei He)
- 9c80dff linter/unicorn/no-unnecessary-await: Don't paste operators
into invalid syntax (#23556) (Yunfei He)
- 46e1463 linter/no-compare-neg-zero: Delete the `-` of a parenthesized
`-0` (#23578) (Yunfei He)
- d172a97 linter/unicorn/prefer-math-trunk: Skip fixer for LHS with side
effects (#23548) (camc314)
- 1c3a9bd linter/unicorn/prefer-negative-index: Don't report
`Array#with` (#23518) (Yunfei He)
- c17db5d linter/unicorn/prefer-spread: Don't report `.slice()` on
non-array receivers (#23520) (Yunfei He)
- 9cd0c2f linter/unicorn/prefer-date-now: Keep `BigInt` wrapper when
fixing `BigInt(new Date())` (#23523) (Yunfei He)
- 16bb890 linter/unicorn/prefer-array-flat: Skip non-array `flatMap`
receivers (#23527) (Yunfei He)
- 3e6f90f linter/unicorn/no-zero-fractions: Insert a space after any
preceding keyword (#23529) (Yunfei He)
- 79a7d69 linter/eslint/no-useless-assignment: Handle exceptional
control-flow paths (#23544) (camc314)
- e8e2741 linter/unicorn/prefer-math-min-max: Preserve operand source
text in the fix (#23533) (Yunfei He)
- f592154 linter/react/display-name: Ignore lowercase jsx helpers
(#23510) (camc314)
- df7612f linter/jsx-a11y/no-noninteractive-element-to-interactive-role:
Allow custom roles config (#23507) (camc314)
- 924b931 linter/unicorn/prefer-at: Handle checking all indexes
correctly (#23504) (camc314)
- ca9686b linter/unicorn/prefer-at: Report zero indexes (#23503)
(camc314)
- e96a4e3 linter/unicorn/explicit-length-check: Ignore optional chains
(#23487) (camc314)
- a303c23 linter/jsx-a11y: Align `anchor-is-valid` config with upstream
(#23446) (camc314)
- f27a6d1 linter: False positives with non `*.setTimeout` call in
`no-confusing-set-timeout` (#23444) (camc314)

### ⚡ Performance

- 8e0dd65 linter: Emit RuleEnum dispatch match once instead of per
timing branch (#23499) (Boshen)
- d5c7d99 linter/expect-expect: Avoid recompiling matches on every
traversal (#23593) (camc314)
- f191520 linter/no-useless-spread: Avoid collecting `Vec` before
iterating (#23546) (camc314)
- 79340d1 linter: Stream React lifecycle ancestors (#23545) (camc314)
- 1923169 linter/eslint/max-classes: Gate rule by rule config threshold
(#23509) (camc314)
- 3f60de3 linter: Use bucketed dispatch for all files (#23452) (camc314)
- 3699971
linter/typescript/no-unnecessary-parameter-property-assignment: Avoid
temporary vec allocations (#23492) (camc314)
- 4ef0ceb linter/eslint/no-useless-switch-case: Avoid temporary vec
allocations (#23489) (camc314)
- 2e09dd3 linter: Avoid JSX fragment child collections (#23486)
(camc314)
- f30a64c linter/oxc/branches-sharing-code: Borrow shared branch
suggestion text (#23484) (camc314)
- 097a317 linter/eslint/no-control-regex: Retain control regex
candidates in place (#23482) (camc314)
- b3a093d linter: Reuse rule dispatch buckets (#23450) (camc314)
- 9f1a985 oxlint: Start Tokio only for LSP (#23447) (camc314)

### 📚 Documentation

- 9e219de linter/plugins: Update usage instruction (#23495) (Tony)
- b50bf4d linter: Remove manually written options doc for
`eslint/arrow-body-style` (#23490) (Mikhail Baev)
# Oxfmt
### 💥 BREAKING CHANGES

- 36009dd allocator: [**BREAKING**] `GetAllocator::allocator` take
`&self` (#23676) (overlookmotel)

### 🐛 Bug Fixes

- f21ed2c formatter_json: Normalize CRLF for suppressed text (#23702)
(leaysgur)
- 7cd1737 formatter: Normalize CRLF for suppressed text (#23701)
(leaysgur)
- a36e444 formatter: Member chain panic when tail is merged with comment
in dev build (#23698) (leaysgur)
- 600d306 formatter: Preserve parens with default export and type cast
(#23697) (leaysgur)
- 61290f2 formatter: Single-member intersection/union type with comment
formatting (#21915) (Leonabcd123)
- 5a1b0b4 formatter: Parenthesize a type assertion used as the base of
`**` (#23633) (Jerry Zhao)
- 91827e2 formatter: Use `Ordering::reverse()` with `order: desc` for
idempotency (#23543) (leaysgur)
- 8fa7394 formatter_json: Handle wrapped error span (#23472) (leaysgur)
- 37a34a1 oxfmt/lsp: Avoid newlines line ending changes (#23463) (Sysix)

### ⚡ Performance

- 80f1697 formatter: Avoid arena copy for already-lowercase bigint
literals (#23534) (Yunfei He)
- 1a40b71 formatter: Avoid arena copy for borrowed numeric-literal text
(#23512) (Yunfei He)
- 12e4451 formatter: Avoid arena copy for borrowed string-literal text
(#23465) (Yunfei He)

Co-authored-by: Boshen <1430279+Boshen@users.noreply.github.com>
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