fix(linter/no-inner-declarations): flag var statement as body of for loop#11632
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…or` loop (#11632) Follow-on after #11617. That change broke the rule (failed to report errors) in these cases: ```js for (const x in {}) var y = 5; for (const x of []) var y = 5; for (const x = 1; a < 10; a++) var y = 5; ``` We need to check that parent is a `for` statement *and* that the declaration is its `init` / `left`.
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@ulrichstark @Dunqing FYI. These changes to |
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Whoops sorry. I wasn't sure about my changes to this lint rule and therefore added some tests. But I haven't thought about this case. |
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Bloody JavaScript! So many edge cases... And I'm not sure the rule's behavior was correct to start with anyway! #11634 |
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## [1.2.0] - 2025-06-19 ### 🚀 Features - 8c341a2 sema/check: Ts setters cannot have initializers (#11695) (Don Isaac) - 38dc614 oxc_linter: Reuse allocators (#11736) (camc314) - bf8263d playground: Allow specifying a JSON string as the linter config (#11710) (Nicholas Rayburn) - 0b4261b vscode: Add `oxc.requireConfig` configuration (#11700) (Sysix) - 52ecc87 linter: Implement import/extensions (#11548) (Tyler Earls) - 094b81c language_server: Add `unusedDisableDirectives` option (#11645) (Sysix) ### 🐛 Bug Fixes - 3d88eeb linter/no-console: False negative when `console.*` methods are used as args to functions (#11790) (camc314) - c80e405 linter/no-new-wrappers: Fix panic in fixer with multi byte chars (#11773) (camc314) - e58a0b0 linter: Panic in unicorn/consistent-function-scoping (#11772) (camc314) - 80c87d4 linter: Typo in typescript/consistent-index-object-style (#11744) (camc314) - ff775e9 linter/consistent-function-scoping: Descriptive diagnostic labels (#11682) (Don Isaac) - 989634a linter/no-inner-declaration: False negative with for loops (#11692) (camc314) - b272b91 linter/no-undef: False negative with unresolved ref after type ref (#11721) (camc314) - 6252275 linter: Panic in import/extensions with empty file names (#11720) (camc314) - f34e432 linter: Use fixer::noop in dangerous cases for eslint/no-var (#11693) (camc314) - 6c2b41c linter/consistent-function-scoping: Allow functions in TS modules/namespaces (#11681) (Don Isaac) - 2ca1c70 linter/exhaustive-deps: False positive with TS Non null assertion operator (#11690) (camc314) - ee15f7d linter: False negative in typescript/prefer-function-type (#11674) (camc314) - abd0441 linter: Add missing menuitemradio and menutitemcheckbox roles (#11651) (Daniel Flynn) - 8776301 linter/no-inner-declarations: Flag `var` statement as body of `for` loop (#11632) (overlookmotel) ### 🚜 Refactor - 5ca3d04 ast: Add `TSArrayType` as `AstKind` (#11745) (camchenry) - abdbaa9 language_server: Use rule name directly from OxcCode instead of parsing out of the stringified version of OxcCode (#11714) (Nicholas Rayburn) - 219adcc ast: Don't generate AstKind for ArrayExpressionElement (#11684) (Ulrich Stark) - c1be6b8 linter: Shorten Span construction (#11686) (Ulrich Stark) - 4ca659c linter: Cleanup typescript/prefer-function-type (#11672) (Brad Dunbar) - 8e30c5f ast: Don't generate AstKind for ForStatementInit (#11617) (Ulrich Stark) ### 📚 Documentation - ea6ce9d linter: Fix typo in import/no-namespace (#11741) (camc314) - 8b6076e linter: Document options for the `typescript/array-type` rule (#11665) (yefan) ### ⚡ Performance - f539f64 allocator: Remove `Arc` from `AllocatorPool` (#11760) (overlookmotel) - cfdc518 linter/no-inner-declarations: Move work to cold path (#11746) (overlookmotel) - 7c0fff7 linter: Skip running `consistent-function-scoping` on `.d.ts` files (#11739) (camc314) - b34c6f6 parser,semantic: Improve handling of diagnostics (#11641) (Boshen) - 2cd786b linter/no-inner-declarations: Remove unnecessary code and reduce branches (#11633) (overlookmotel) ### 🧪 Testing - 44a9df8 linter: Update testsuite for `no-undef` (#11706) (Sysix) Co-authored-by: Boshen <[email protected]>
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Follow-on after #11617. That change broke the rule (failed to report errors) in these cases:
We need to check that parent is a
forstatement and that the declaration is itsinit/left.