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fix(linter): check protected members in explicit-module-boundary-types#19594

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c/02-21-fix_linter_check_protected_members_in_explicit-module-boundary-types
Feb 21, 2026
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fix(linter): check protected members in explicit-module-boundary-types#19594
graphite-app[bot] merged 1 commit intomainfrom
c/02-21-fix_linter_check_protected_members_in_explicit-module-boundary-types

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@camc314 camc314 commented Feb 21, 2026

fixes #19586

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camc314 commented Feb 21, 2026


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@github-actions github-actions bot added A-linter Area - Linter C-bug Category - Bug labels Feb 21, 2026
@camc314 camc314 marked this pull request as ready for review February 21, 2026 12:48
Copilot AI review requested due to automatic review settings February 21, 2026 12:48
@camc314 camc314 self-assigned this Feb 21, 2026
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Pull request overview

This PR updates the TypeScript explicit-module-boundary-types linter rule so that it also validates protected class members (previously, only public members were checked and all non-public members were skipped).

Changes:

  • Adjust class-element accessibility filtering to skip only private (and #private) members, allowing protected members to be checked.
  • Add passing and failing test cases covering protected methods and protected arrow-function properties.
  • Update the corresponding snapshot output to include the new diagnostics for missing return types on protected members.

Reviewed changes

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

File Description
crates/oxc_linter/src/rules/typescript/explicit_module_boundary_types.rs Changes the accessibility gating logic to include protected members, and adds targeted tests.
crates/oxc_linter/src/snapshots/typescript_explicit_module_boundary_types.snap Updates expected diagnostics to reflect the newly-checked protected members.

@camc314 camc314 added the 0-merge Merge with Graphite Merge Queue label Feb 21, 2026
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camc314 commented Feb 21, 2026

Merge activity

@graphite-app graphite-app bot force-pushed the c/02-21-fix_linter_check_protected_members_in_explicit-module-boundary-types branch from 69eb348 to 85045e8 Compare February 21, 2026 12:53
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codspeed-hq bot commented Feb 21, 2026

Merging this PR will not alter performance

✅ 43 untouched benchmarks
⏩ 7 skipped benchmarks1


Comparing c/02-21-fix_linter_check_protected_members_in_explicit-module-boundary-types (69eb348) with main (e38115e)

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Footnotes

  1. 7 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.

@graphite-app graphite-app bot merged commit 85045e8 into main Feb 21, 2026
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@graphite-app graphite-app bot deleted the c/02-21-fix_linter_check_protected_members_in_explicit-module-boundary-types branch February 21, 2026 12:58
@graphite-app graphite-app bot removed the 0-merge Merge with Graphite Merge Queue label Feb 21, 2026
camc314 pushed a commit that referenced this pull request Feb 23, 2026
# Oxlint
### 🚀 Features

- 46177dd linter: Implement unicorn/prefer-module (#19603) (camc314)
- 42f78bb linter: Implement unicorn/prefer-ternary (#19605) (camc314)

### 🐛 Bug Fixes

- 43df857 react/exhaustive-deps: Normalize .current callback deps
(#19610) (camc314)
- 574f48f linter/no-throw-literal: Close warning block (#19612)
(camc314)
- 79fe3b4 linter/prefer-mock-return-shorthand: Avoid unsafe autofixes
for call-like returns (#19581) (camc314)
- 85045e8 linter: Check protected members in
explicit-module-boundary-types (#19594) (camc314)
- e38115e linter: Catch missing return type on exported arrow/function
expressions (#19587) (Peter Wagenet)
- 419d3fd linter: Fix false negatives in typescript/no-require-imports
(#19589) (Peter Wagenet)
- 7958b56 linter: Fix syntax error reporting in some output formatters.
(#19590) (connorshea)
- 024f51c linter: Add help text to more eslint diagnostics (#19591)
(Anthony Amaro)
- a8489a1 linter: Warning `eslint/no-throw-literal` rule to be
deprecated, better use `typescript/only-throw-error` (#19593) (Said
Atrahouch)
- 50fc70d linter/type-aware: Use correct span for disable directives
(#19576) (camc314)
- 421a99c linter: Add help guidance to eslint diagnostic messages
(#19562) (Anthony Amaro)
- e81364a linter: Add help text to eslint rule diagnostics (#19560)
(Anthony Amaro)
- 89b58d0 linter: Add help text to more eslint rule diagnostics (#19561)
(Anthony Amaro)
- 74f7833 linter/jest/prefer-mock-return-shorthand: Preserve typed arrow
returns (#19556) (camc314)
- bdd6f34 linter: Restrict prefer-import-in-mock to mock calls (#19555)
(camc314)

### 📚 Documentation

- a331993 linter: Improve docs for `eslint/radix` rule. (#19611)
(connorshea)

### 🛡️ Security

- c67f9dc linter: Update ajv version. (#19613) (connorshea)
# Oxfmt
### 🚀 Features

- 984dc07 oxfmt: Strip `"experimental"SortXxx` prefix (#19567)
(leaysgur)

### 🐛 Bug Fixes

- d7b63a4 oxfmt: Update API types for `sortPackageJsonOptions` (#19569)
(leaysgur)

Co-authored-by: Boshen <1430279+Boshen@users.noreply.github.com>
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linter: Possible bug where explicit-module-boundary-types doesn't report missing types for protected items

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