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perf(linter/no-negated-condition): populate node types#22602

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codex/no-negated-condition-node-types
May 19, 2026
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perf(linter/no-negated-condition): populate node types#22602
graphite-app[bot] merged 1 commit into
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codex/no-negated-condition-node-types

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@camc314

@camc314 camc314 commented May 19, 2026

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Refactor the ESLint and Unicorn no-negated-condition rule wrappers so they dispatch from a top-level match node.kind().

The shared implementation now exposes the two concrete checks directly, which lets linter_codegen infer the rule node set instead of falling back to every AST node. The generated runner now lists ConditionalExpression and IfStatement for both aliases.

@github-actions github-actions Bot added the A-linter Area - Linter label May 19, 2026
@camc314 camc314 marked this pull request as ready for review May 19, 2026 15:36
Copilot AI review requested due to automatic review settings May 19, 2026 15:36
@camc314 camc314 added the 0-merge Merge with Graphite Merge Queue label May 19, 2026
@camc314 camc314 self-assigned this May 19, 2026

camc314 commented May 19, 2026

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Pull request overview

Refactors the shared no_negated_condition implementation into two node-specific functions so linter_codegen can infer a narrow NODE_TYPES bitset (only ConditionalExpression and IfStatement) for both the ESLint and Unicorn rule aliases, avoiding visiting every AST node.

Changes:

  • Split shared run into run_on_if_statement and run_on_conditional_expression.
  • Update both rule wrappers to dispatch via match node.kind().
  • Regenerated rule_runner_impls.rs now lists the two relevant AstTypes.

Reviewed changes

Copilot reviewed 3 out of 4 changed files in this pull request and generated no comments.

File Description
crates/oxc_linter/src/rules/shared/eslint_unicorn/no_negated_condition.rs Split shared run into two node-typed functions.
crates/oxc_linter/src/rules/eslint/no_negated_condition.rs Dispatch from match node.kind() to the new shared functions.
crates/oxc_linter/src/rules/unicorn/no_negated_condition.rs Same dispatch refactor for the Unicorn alias.
crates/oxc_linter/src/generated/rule_runner_impls.rs Regenerated NODE_TYPES to Some([ConditionalExpression, IfStatement]) for both rules.

@codspeed-hq

codspeed-hq Bot commented May 19, 2026

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Merging this PR will not alter performance

✅ 4 untouched benchmarks
⏩ 47 skipped benchmarks1


Comparing codex/no-negated-condition-node-types (af7b71f) with main (97fe9ba)

Open in CodSpeed

Footnotes

  1. 47 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.

Refactor the ESLint and Unicorn `no-negated-condition` rule wrappers so they dispatch from a top-level `match node.kind()`.

The shared implementation now exposes the two concrete checks directly, which lets `linter_codegen` infer the rule node set instead of falling back to every AST node. The generated runner now lists `ConditionalExpression` and `IfStatement` for both aliases.
@graphite-app graphite-app Bot force-pushed the codex/no-negated-condition-node-types branch from af7b71f to 607486e Compare May 19, 2026 15:44
@graphite-app graphite-app Bot merged commit 607486e into main May 19, 2026
29 checks passed
@graphite-app graphite-app Bot deleted the codex/no-negated-condition-node-types branch May 19, 2026 15:47
@graphite-app graphite-app Bot removed the 0-merge Merge with Graphite Merge Queue label May 19, 2026
Dunqing added a commit that referenced this pull request May 26, 2026
# Oxlint
### 🚀 Features

- 10da26b linter: `no-misleading-character-class` add suggestions for
regex literal (#22681) (Sysix)
- b84941e linter/vue: Implement no-expose-after-await rule (#22675)
(bab)
- 98b98c1 linter/vue: Implement no-computed-properties-in-data rule
(#22674) (bab)
- 868e2e8 linter: Add suggestion for `no-misleading-character-class`
(#22631) (Sysix)
- 2d4c919 oxlint: Support `vite-plus/resolveConfig` for vite.config.ts
(#22456) (leaysgur)
- 2a60012 linter/vue: Implement require-render-return rule (#22613)
(bab)
- 9f227fd linter/vue: Implement no-deprecated-props-default-this rule
(#21892) (bab)
- 9cd28b3 linter: Add debug option to print files to be linted (#22546)
(camchenry)
- 87f065e linter/vue: Implement return-in-emits-validator rule (#21935)
(bab)
- ea0380c linter/unicorn: Implement `import-style` rule (#22173) (Hao
Chen)
- dde40fe linter/vue: Implement no-watch-after-await rule (#22006) (bab)
- a735eb0 linter/vue: Implement valid-next-tick rule (#22531) (bab)
- 6dc615d linter/vue: Implement no-shared-component-data rule (#21842)
(bab)
- a656418 linter/vue: Implement valid-define-options rule (#22107) (bab)
- bb6f1b2 linter/vue: Implement require-slots-as-functions rule (#22244)
(bab)
- 5fa4774 linter/n: Implement `callback-return` rule (#22470) (Mikhail
Baev)

### 🐛 Bug Fixes

- 52bd016 linter: Respect allow unused disable directives in LSP
(#22715) (camc314)
- fa7c463 semantic: Correct TS enum member symbol spans (#22689)
(camc314)
- ed445ba linter: Respect flags overrides for `RegExp(/regex/i, "u")`
(#22678) (Sysix)
- 26b9396 semantic: Resolve parameter decorators outside parameter scope
(#22623) (camc314)
- 203952d linter: `no-misleading-character-class` fix
`is_unicode_code_point_escape` check (#22655) (Sysix)
- 2f64d3d linter: `no-misleading-character-class` own diagnostic for
surrogate pairs without u flag (#22654) (Sysix)
- 0c6ebc2 linter/eslint/no-lone-blocks: Do not flag empty loops (#22649)
(Mikhail Baev)
- 2a7562e linter/no-focused-tests: Mark fixer as a suggestion (#22645)
(camc314)
- dbe644f linter: Respect args none for unused rest parameters (#22627)
(camc314)
- d0211b0 linter: Allow undefined in DummyRuleMap index (#22626)
(camc314)
- 36fc0ec oxlint/lsp: "ignore this" actions merge with existing
directive (#22604) (Sysix)
- f7f370e linter/vitest/prefer-expect-type-of: Recommend `toBeTypeOf`
instead of `expectTypeOf` (#22612) (Mikhail Baev)
- 77063e5 linter/consistent-indexed-object-style: Preserve interface
modifiers in fixes (#22579) (camc314)
- 4f33aa7 linter: Treat `TSGlobalDeclaration` as ambient in
`has_ambient_typescript_ancestor` (#22577) (camc314)

### ⚡ Performance

- c22938d linter/no-async-endpoint-handlers: Populate node types
(#22601) (camc314)
- 607486e linter/no-negated-condition: Populate node types (#22602)
(camc314)
- 4dcaa59 linter/consistent-type-imports: Populate node types (#22600)
(camc314)
- 5bd3b25 linter/no-unused-vars: Avoid cloned ancestor iterator (#22598)
(camc314)
- 97fe9ba linter/no-extra-non-null-assertion: Reduce node matches
(#22588) (camc314)
- ae98296 linter/consistent-indexed-object-style: Populate node types
(#22578) (camc314)
# Oxfmt
### 🚀 Features

- 16b8058 oxfmt: Support `vite-plus/resolveConfig` for vite.config.ts
(#22454) (leaysgur)

### 🐛 Bug Fixes

- 5a26479 formatter: Preserve import phases (#22692) (Cameron)

### ⚡ Performance

- 78cf83f formatter: Pre-size output buffer using source text length
(#22594) (Dunqing)

Co-authored-by: Dunqing <[email protected]>
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