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fix(linter/prefer-object-from-entries): require exact path match in unicorn helper#19687

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fix(linter/prefer-object-from-entries): require exact path match in unicorn helper#19687
graphite-app[bot] merged 1 commit intomainfrom
c/02-24-fix_linter_require_exact_path_match_in_unicorn_helper

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@camc314 camc314 commented Feb 24, 2026

fixes #19686

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camc314 commented Feb 24, 2026


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@github-actions github-actions bot added the A-linter Area - Linter label Feb 24, 2026
@camc314 camc314 marked this pull request as ready for review February 24, 2026 16:47
@github-actions github-actions bot added the C-bug Category - Bug label Feb 24, 2026
Copilot AI review requested due to automatic review settings February 24, 2026 16:47
@camc314 camc314 self-assigned this Feb 24, 2026
@camc314 camc314 changed the title fix(linter): require exact path match in unicorn helper fix(linter/prefer-object-from-entries): require exact path match in unicorn helper Feb 24, 2026
@camc314 camc314 added the 0-merge Merge with Graphite Merge Queue label Feb 24, 2026
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camc314 commented Feb 24, 2026

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  • Feb 24, 4:48 PM UTC: The merge label '0-merge' was detected. This PR will be added to the Graphite merge queue once it meets the requirements.
  • Feb 24, 4:57 PM UTC: The merge label '0-merge' was detected. This PR will be added to the Graphite merge queue once it meets the requirements.
  • Feb 24, 4:57 PM UTC: camc314 added this pull request to the Graphite merge queue.
  • Feb 24, 5:02 PM UTC: Merged by the Graphite merge queue.

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Pull request overview

This PR fixes does_expr_match_any_path (used by Unicorn linter rules) so it requires an exact full-path match instead of allowing prefix matches, preventing false positives when only the root identifier matches.

Changes:

  • Tighten does_expr_match_any_path to check path length equality before comparing segments.
  • Add a regression test ensuring _(pairs) does not get mistaken for _.fromPairs(pairs) in prefer-object-from-entries.

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File Description
crates/oxc_linter/src/utils/unicorn.rs Makes expression-to-path matching require an exact match, fixing prefix-match false positives.
crates/oxc_linter/src/rules/unicorn/prefer_object_from_entries.rs Adds a test case covering the underscore wrapper call regression (_(pairs)).

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codspeed-hq bot commented Feb 24, 2026

Merging this PR will not alter performance

✅ 4 untouched benchmarks
⏩ 51 skipped benchmarks1


Comparing c/02-24-fix_linter_require_exact_path_match_in_unicorn_helper (be49327) with main (ea6b796)

Open in CodSpeed

Footnotes

  1. 51 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.

@camc314 camc314 added the 0-merge Merge with Graphite Merge Queue label Feb 24, 2026
@graphite-app graphite-app bot force-pushed the c/02-24-fix_linter_require_exact_path_match_in_unicorn_helper branch from be49327 to ce7e253 Compare February 24, 2026 16:57
@graphite-app graphite-app bot merged commit ce7e253 into main Feb 24, 2026
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@graphite-app graphite-app bot deleted the c/02-24-fix_linter_require_exact_path_match_in_unicorn_helper branch February 24, 2026 17:02
@graphite-app graphite-app bot removed the 0-merge Merge with Graphite Merge Queue label Feb 24, 2026
camc314 pushed a commit that referenced this pull request Mar 2, 2026
# Oxlint
### 🚀 Features

- 2e0e1d0 linter/no-unused-vars: Add experimental fix mode controls
(off|suggestion|fix) (#19774) (camc314)
- f34f6fa linter: Introduce typeCheck config option (#19764) (camc314)
- 694be7d linter: Introduce typeAware as config options (#19614)
(camc314)
- 655c38f semantic: Add "did you mean?" suggestions to undefined name
errors (#19102) (copilot-swe-agent)
- e97a57e linter/id-length: Use serde to deserialize rule options
(#19636) (camc314)
- c4a3677 parser: Report error for initializer in ambient context
(#19187) (camc314)
- 346045a linter/id-length: Add `checkGeneric` option (#19634) (camc314)

### 🐛 Bug Fixes

- 1b7a937 linter: Correct double-comparisons fix with swapped operands
(#19846) (camc314)
- c308857 linter/consistent_type_imports: Add missing help and notes to
diagnostics (#19827) (Daniel Osmond)
- 7682e5a linter/plugins: Decode escapes in identifier tokens (#19838)
(overlookmotel)
- f368fcd linter/consistent_type_assertions: Add missing with_help and
with_note to diagnostics (#19826) (Daniel Osmond)
- 04e6223 npm: Add `preferUnplugged` for Yarn PnP compatibility (#19829)
(Boshen)
- 86d5037 linter: Add help text to no-extend-native,
no-useless-backreference (#19733) (Anthony Amaro)
- 50e8eff linter: Add .with_help() to operator-assignment,
no-nonoctal-decimal-escape (#19732) (Anthony Amaro)
- 1417bdc linter/no-wrapper-object-types: Add help messages to missing
diagnostics (#19771) (Daniel Osmond)
- 0838477 linter/ban_ts_comment: Add help and notes to missing
diagnostics (#19781) (Daniel Osmond)
- e8c77cf linter/adjacent_overload_signatures: Add missing diagnostics
(#19780) (Daniel Osmond)
- 28834ac linter/ban_types: Add missing help and note to diagnostics
(#19782) (Daniel Osmond)
- fd938d3 linter/prefer-enum-initializers: Add help messages to missing
diagnostics (#19772) (Daniel Osmond)
- eb928ee linter/no-dynamic-delete: Add help messages to missing
diagnostics (#19768) (Daniel Osmond)
- a985666 linter/no-empty-interface: Add help messages to missing
diagnostics (#19769) (Daniel Osmond)
- 2dc0ceb linter/no-extra-non-null-assertion: Add help messages to
missing diagnostics (#19770) (Daniel Osmond)
- 95d5d66 linter/no-dupe-keys: Handle `__proto__` proto setters in
(#19762) (camc314)
- 24ff0db linter/exhaustive-deps: False positive for member expressions
in IIFEs (#19751) (Dennis Chen)
- 7243a58 linter/no-use-before-define: Honor `ignoreTypeReferences` when
value and type name collisions (#19747) (Dimava)
- eefd818 linter/explicit-module-boundary-types: Add help messages to
missing diagnostics (#19736) (Daniel Osmond)
- 0440e9a linter: Add help text to no_control_regex, no_fallthrough,
no_param_reassign (#19655) (Anthony Amaro)
- e84cb2f react/display-name: Handle merged type+value context symbols
(#19608) (camc314)
- ce7e253 linter/prefer-object-from-entries: Require exact path match in
unicorn helper (#19687) (camc314)
- f5694ce estree/tokens: Reverse field order of `regex` object in tokens
(#19679) (overlookmotel)
- b2b7a55 estree/tokens: Generate tokens for files with BOM (#19535)
(overlookmotel)
- 0722721 linter/jsx-curly-brace-presence: False positive with prop &
mixed quotes (#19674) (camc314)
- 3496acd linter: Enhance diagnostic help messages for eslint rules
(#19653) (Anthony Amaro)
- e384e94 linter: Enhance help diagnostic messages for more eslint rules
(#19658) (Anthony Amaro)
- a4d5b34 linter: Avoid non-promise catch false positives (#19574)
(camc314)
- 5706f38 linter: `unicorn/no-array-callback-reference` skip `Effect.*`
array-like methods name. (#19633) (Said Atrahouch)

### ⚡ Performance

- 05ccf9f linter/plugins: Transfer tokens via raw transfer (#19893)
(overlookmotel)
- 4b0611a estree/tokens: Introduce `ESTreeTokenConfig` trait (#19842)
(overlookmotel)
- ec88f6a estree/tokens: Serialize tokens while visiting AST (#19726)
(overlookmotel)
- d4dcf26 linter/plugins: Remove `typescript` from bundle (#19531)
(overlookmotel)
- 6a6513c linter/plugins: Use Oxc tokens in plugins (#19498) (camc314)

### 📚 Documentation

- d86f59e linter: Improve docs for no-useless-concat, mark as pending
fixer. (#19859) (connorshea)
- caa091d linter/plugins: Correct doc comments for `initTokens` (#19530)
(overlookmotel)
- 2fa936f README.md: Map npm package links to npmx.dev (#19666) (Boshen)
- dc0ff73 linter/no-useless-constructor: Warn for parameter properties
as well (#19638) (Ole Asteo)
# Oxfmt
### 🚀 Features

- 5141bc2 formatter: Support trailing ignore comments (#19304) (Andreas
Lubbe)
- 4888a99 oxfmt/lsp: Support other schemes beside `file://` and
`untitled://` (#19872) (Sysix)
- 14a0181 oxfmt: Support `graphql()` variant for gql-in-js (#19703)
(leaysgur)
- ca68ea6 oxfmt: Support gql-in-js substitution (#19670) (leaysgur)
- 035933c formatter,oxfmt: Support js-in-vue (partially) (#19514)
(leaysgur)
- 9e11dc6 parser,estree,coverage: Collect tokens in parser and convert
to ESTree format (#19497) (camc314)

### 🐛 Bug Fixes

- 8e3842d oxfmt: Avoid embedded TSFN crash by returning errors as data
(take2) (#19806) (Yuji Sugiura)
- 04e6223 npm: Add `preferUnplugged` for Yarn PnP compatibility (#19829)
(Boshen)
- e540585 oxfmt: Support tailwind sort for CSS/LESS/SCSS (#19803)
(leaysgur)
- 93bb861 formatter: Trim trailing whitespace before breaking line
(#19740) (leaysgur)
- b85f97b formatter: Drop blank line between terminal call and first
chain member (#19659) (Dunqing)

### ⚡ Performance

- b3b2d30 parser: Introduce `ParserConfig` (#19637) (overlookmotel)

### 📚 Documentation

- 2fa936f README.md: Map npm package links to npmx.dev (#19666) (Boshen)

Co-authored-by: Boshen <1430279+Boshen@users.noreply.github.com>
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linter: strange behaviour with unicorn/prefer-object-from-entries

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