sindresorhus/eslint-plugin-unicorn Issues

Stars: (5,022 stars)
Forks: (468 forks)
Indexed issues: (196 indexed issues)
open beginner issues: (1 open beginner issue)
Latest indexed: Aug 21, 2026
Last GitHub push: May 12, 2026
License: MIT License
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Dominant language: JavaScript
PR merge metrics: (Avg merge 4h 30m) (26 merged PRs in 30d)
Beginner labels: help wanted

Issues

195 closed indexed issues

Closed

Rule proposal: `prefer-string-pad-start-end`

help wantednew rule

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

sindresorhus / eslint-plugin-unicorn · #1773 · Mar 30, 2022 · JavaScript · 5,022 stars

1 comment1 reaction0 assignees

Closed

Rule proposal: Prevent returning/assigning mutating array methods

help wantednew rule

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

sindresorhus / eslint-plugin-unicorn · #1743 · Mar 1, 2022 · JavaScript · 5,022 stars

4 comments5 reactions0 assignees

Closed

Rule proposal: `prefer-object-define-properties`

help wantednew rule

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

sindresorhus / eslint-plugin-unicorn · #1729 · Feb 11, 2022 · JavaScript · 5,022 stars

6 comments2 reactions0 assignees

Closed

Rule proposal: Prefer explicit array check over `Array#flat()`.

help wantednew rule

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

sindresorhus / eslint-plugin-unicorn · #1719 · Feb 8, 2022 · JavaScript · 5,022 stars

4 comments4 reactions0 assignees

Closed

Rule proposal: Have `prefer-spread` handle `for..of`

enhancementhelp wanted

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

sindresorhus / eslint-plugin-unicorn · #1713 · Feb 3, 2022 · JavaScript · 5,022 stars

3 comments1 reaction0 assignees

Closed

Rule proposal: `prefer-string-repeat`

help wantednew rule

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

sindresorhus / eslint-plugin-unicorn · #1708 · Jan 28, 2022 · JavaScript · 5,022 stars

14 comments1 reaction0 assignees

Closed

Rule proposal: `no-negated-some-every`

help wantednew rule

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

sindresorhus / eslint-plugin-unicorn · #1704 · Jan 25, 2022 · JavaScript · 5,022 stars

7 comments4 reactions0 assignees

Closed

Rule proposal: Prefer `URLSearchParams` over `node:querystring` module

help wantednew rule

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

sindresorhus / eslint-plugin-unicorn · #1701 · Jan 21, 2022 · JavaScript · 5,022 stars

3 comments2 reactions0 assignees

Closed

Rule proposal: `no-useless-assign`

help wantednew rule

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

sindresorhus / eslint-plugin-unicorn · #1693 · Jan 14, 2022 · JavaScript · 5,022 stars

3 comments3 reactions0 assignees

Closed

Report useless check when accessing array elements in `no-useless-undefined`

enhancementhelp wanted

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

sindresorhus / eslint-plugin-unicorn · #1689 · Jan 11, 2022 · JavaScript · 5,022 stars

1 comment2 reactions0 assignees

Closed

Rule proposal: Prevent mistake in `Map` access

help wantednew rule

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

sindresorhus / eslint-plugin-unicorn · #1663 · Dec 28, 2021 · JavaScript · 5,022 stars

1 comment2 reactions0 assignees

Closed

Rule proposal: `no-top-level-side-effects`

:dollar: Funded on Issuehunthelp wantednew rule

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

sindresorhus / eslint-plugin-unicorn · #1661 · Dec 24, 2021 · JavaScript · 5,022 stars

11 comments7 reactions0 assignees

Closed

Rule proposal: Prefer `URL#href` to `URL#toString()`

help wantednew rule

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

sindresorhus / eslint-plugin-unicorn · #1655 · Dec 22, 2021 · JavaScript · 5,022 stars

17 comments5 reactions0 assignees

Closed

Improve experience with React

enhancementhelp wanted

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

sindresorhus / eslint-plugin-unicorn · #1639 · Dec 16, 2021 · JavaScript · 5,022 stars

3 comments15 reactions0 assignees

Closed

Rule change proposal regarding `prefer-ternary`:

enhancementhelp wanted

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

sindresorhus / eslint-plugin-unicorn · #1620 · Nov 24, 2021 · JavaScript · 5,022 stars

4 comments3 reactions0 assignees

Closed

Rule proposal: Doc comment asterisk prefix style

help wantednew rule

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

sindresorhus / eslint-plugin-unicorn · #1607 · Nov 11, 2021 · JavaScript · 5,022 stars

3 comments2 reactions0 assignees

Closed

Rule proposal: `no-unreadable-new-expression`

help wantednew rule

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

sindresorhus / eslint-plugin-unicorn · #1603 · Nov 11, 2021 · JavaScript · 5,022 stars

8 comments0 reactions0 assignees

Closed

Rule proposal: `no-set-duplicates`

help wantednew rule

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

sindresorhus / eslint-plugin-unicorn · #1559 · Oct 25, 2021 · JavaScript · 5,022 stars

14 comments7 reactions0 assignees

Closed

Rule proposal: `id-match`

help wantednew rule

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

sindresorhus / eslint-plugin-unicorn · #1545 · Oct 11, 2021 · JavaScript · 5,022 stars

9 comments1 reaction0 assignees

Closed

`expiring-todo-comments`: failing the lint on a date may be inconvenient

help wanted

Why recommendedNo assignee yet · Has a beginner-friendly label

No assignee yetHas a beginner-friendly labelContributing guide available

sindresorhus / eslint-plugin-unicorn · #1541 · Oct 4, 2021 · JavaScript · 5,022 stars

3 comments0 reactions0 assignees

sindresorhus/eslint-plugin-unicorn

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