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feat(lint/js): add noTypeofUndefined#9984

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feat(lint/js): add noTypeofUndefined#9984
dyc3 wants to merge 2 commits intomainfrom
dyc3/noTypeofUndefined

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@dyc3 dyc3 commented Apr 14, 2026

Summary

This PR adds noTypeofUndefined which is a port of https://github.com/sindresorhus/eslint-plugin-unicorn/blob/main/docs/rules/no-typeof-undefined.md

generated by gpt 5.4

Test Plan

snapshots

Docs

@github-actions github-actions Bot added A-Project Area: project A-Linter Area: linter L-JavaScript Language: JavaScript and super languages A-Diagnostic Area: diagnostocis labels Apr 14, 2026
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changeset-bot Bot commented Apr 14, 2026

🦋 Changeset detected

Latest commit: b7c8809

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 13 packages
Name Type
@biomejs/biome Patch
@biomejs/cli-win32-x64 Patch
@biomejs/cli-win32-arm64 Patch
@biomejs/cli-darwin-x64 Patch
@biomejs/cli-darwin-arm64 Patch
@biomejs/cli-linux-x64 Patch
@biomejs/cli-linux-arm64 Patch
@biomejs/cli-linux-x64-musl Patch
@biomejs/cli-linux-arm64-musl Patch
@biomejs/wasm-web Patch
@biomejs/wasm-bundler Patch
@biomejs/wasm-nodejs Patch
@biomejs/backend-jsonrpc Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

@github-actions github-actions Bot added the A-CLI Area: CLI label Apr 14, 2026
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codspeed-hq Bot commented Apr 14, 2026 •
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Merging this PR will not alter performance

✅ 59 untouched benchmarks
⏩ 195 skipped benchmarks1

Comparing dyc3/noTypeofUndefined (b7c8809) with main (e0ba71d)2

Open in CodSpeed

Footnotes

  1. 195 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. ↩

  2. No successful run was found on main (7a360dd) during the generation of this report, so e0ba71d was used instead as the comparison base. There might be some changes unrelated to this pull request in this report. ↩

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changeset-bot Bot commented Apr 14, 2026

🦋 Changeset detected

Latest commit: 4b1d7d3

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 13 packages
Name Type
@biomejs/biome Patch
@biomejs/cli-win32-x64 Patch
@biomejs/cli-win32-arm64 Patch
@biomejs/cli-darwin-x64 Patch
@biomejs/cli-darwin-arm64 Patch
@biomejs/cli-linux-x64 Patch
@biomejs/cli-linux-arm64 Patch
@biomejs/cli-linux-x64-musl Patch
@biomejs/cli-linux-arm64-musl Patch
@biomejs/wasm-web Patch
@biomejs/wasm-bundler Patch
@biomejs/wasm-nodejs Patch
@biomejs/backend-jsonrpc Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

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