eslint-plugin-unicorn

Breaking

• no-immediate-mutation: Add checkConditionals option and default it to off (#3707) 4686e7e
• no-break-in-nested-loop: Add checkContinue option and default it to off (#3712) d8fbfde
• prefer-combined-guards: Add checkCompoundConditions option default it to off (#3710)

Improvements

• prefer-minimal-ternary: Add autofix (#3716) aaa75a4
• prefer-logical-operator-over-ternary: Handle boolean expressions (#3711)
• prefer-ternary: Preserve readable branches (#3709) f7a35ae
• no-typeof-undefined: Ignore TypeScript ambient variables (#3708) 9245ed8
• Fix autofixes that hardcoded a tab for inserted indentation (#3721) db20ce1

---

v75.0.0...v76.0.0

New rules

• prefer-combined-guards (#3680) 5d9d745
• no-unused-iterator-helper (#3677) 8213737
• no-unused-builtin-method-return (#3676) b3d56a3
• prefer-iterator-zip (#3675) 60d3b53
• no-useless-set-construction (#3672) 639c984
• prefer-iterator-helpers (#3670) 4c805e2
• prefer-json-import (#3668) 1df640d
• prefer-temporal-conversion (#3667) 74bc02e
• no-async-iterator-callback (#3666) bb6c245
• no-using-resource-escape (#3663) 3424785
• prefer-uint8array-hex (#3661) 9255132
• no-deprecated-css-features (#3651) e116102
• no-unscoped-css-nesting-selector (#3650) ebd03bd
• no-duplicate-css-selectors (#3646) 508d9f5
• no-unknown-pseudo-selectors (#3644) 99492cd
• no-invalid-media-features (#3643) ef37c1f
• no-unknown-css-annotations (#3642) 19637ee
• no-nesting-with-mixed-specificity (#3640) b2f2bf9
• prefer-media-feature-range-syntax (#3639) 19f112f
• no-duplicate-font-family-names (#3638) c8f81bc
• no-redundant-nested-style-rules (#3637) 31603ad

Improvements

• Add TOML support (#3687) f61393a
• Improve performance 3cfa32c
• prefer-continue: Add checkShortBodies option (#3699) 274d581
• filename-case: Add directoryRoots option (#3647) d2d6cc3
• custom-error-definition: Allow flexible options placement (#3698) 2f8e2e5
• prefer-smaller-scope: Check initialized declarations (#3697) 960b374
• no-unsafe-string-replacement: Allow safe repeated strings (#3696) 742bdce
• no-array-fill-with-reference-type: Recognize function return types (#3695) 60f00ff
• prefer-continue: Support trailing conditionals (#3694) bf480f6
• no-immediate-mutation: Support conditionals (#3688) 73235b9
• prefer-set-methods: Extend supported methods (#3674) 3459a29
• prefer-minimal-ternary: Check property reads with checkComputedMemberAccess (#3673) 37d7614
• prefer-array-from-async: Recognize ordinary serial mapping loops (#3671) 65ad1bb
• prefer-uint8array-base64: Prefer native encoding options (#3665) 6ecc912
• prefer-group-by: Recognize accumulation loops (#3664) a8e7d0e
• no-negated-condition: Preserve comments in autofixes (#3662) 8f407a7
• prefer-minimal-ternary: Support objects, arrays, and constructors (#3658) 40c860a
• prefer-ternary: Handle flat return statements (#3657) 2edc158
• no-useless-else: Prevent unsafe combined fixes (#3654) 7beaf7d
• no-useless-length-check: Check for…of loops (#3652) fdf47c5
• no-unknown-css-annotations: Fix identifier lookup across @eslint/css-tree versions 9b6f37b
• prefer-dom-node-replace-children: Combine consecutive mutations (#3648) 52dd1ce

---

v74.0.0...v75.0.0

Improvements

• Improve rule performance (#3618) 4ff2eab
• comment-content: Handle JSDoc syntax (#3616) bf7dca2
• consistent-arrow-return-style: Fix indentation and in operator handling (#3621) 398606c
• consistent-boolean-name: Support possibly async boolean callbacks (#3624) 823bb1f
• custom-error-definition: Avoid requiring native ErrorOptions for custom bases (#3617) 96fd371
• custom-error-definition: Support TypeScript parameter properties (#3619) 872fd55
• expiring-todo-comments: Add YAML support (#3625) e437f23
• name-replacements: Allow ProcessEnv type (#3608) 2e19a94
• no-array-fill-with-reference-type: Ignore canvas contexts (#3635) d7f5fa1
• no-empty-file: Add YAML support (#3627) 043a523
• no-nonstandard-builtin-properties: Support stage 4 proposals (#3631) 0a24d74
• no-unnecessary-splice: Fix false positives when the return value is used (#3611) cc58720
• no-useless-else: Fix false positive in mutable branch conditions (#3612) 725e535
• prefer-default-parameters: Support logical assignment operators (#3629) 8eb0897

---

v73.0.0...v74.0.0

New rules

• consistent-arrow-return-style (#3601) ae3c3d9
• iteration-fallback-style (#3602) a61c2c5
• no-barrel-files (#3570) d900c09
• no-unsafe-sqlite-interpolation (#3582) a09869b
• single-line-block-comment-style (#3584) a0c2c57

Improvements

• Improve performance (#3560) 7b7c790
• Harden rules (#3585) 9c2b0bb
• consistent-boolean-name: Add wrappers option (#3572) 78c5abf
• consistent-boolean-name: Add granular check options (#3591) a33b1c1
• consistent-function-style: Add defaultExport option (#3600) e78a7c9
• prefer-https: Add ignore option (#3557) 7f7ec06
• comment-content: Handle Unicode word boundaries (#3597) dd52b4a
• import-style: Ignore type-only imports (#3599) f2a62e3
• name-replacements: Handle TypeScript parameter properties (#3575) fa0df7b
• no-negated-comparison: Never check relational operators (#3589) 6120423
• no-this-outside-of-class: Allow explicit TypeScript this parameters (#3596) 6a709b7
• no-unnecessary-string-trim: Handle Zod string schemas (#3577) 1c06db0
• prefer-else-if: Handle existing else if chains (#3587) 46eaaf0
• prefer-simple-condition-first: Treat == null checks as simple (#3559) d1be07e
• prefer-set-has: Fix false positives for computed members (#3562) 2817682
• consistent-export-decorator-position: Fix decorator position reporting (#3583) 0a19cb4
• no-array-for-each: Fix deprecation docs (#3568) 0096a18
• Fix process.exit control-flow analysis (#3590) 342a5ed

---

v72.0.0...v73.0.0

Breaking

• prefer-minimal-ternary: Rename checkVaryingCallee option to checkVaryingBase (#3508) 825b7b9

New rules

• no-missing-local-resource (#3528) 12a33c6
• no-multiple-promise-resolver-calls (#3523) 81ab092
• no-shorthand-property-overrides (#3527) 91a4c4d
• no-transition-all (#3529) 5ef2fcf
• no-unnecessary-string-trim (#3517) a651672
• no-useless-re-export (#3540) 96afe55
• prefer-explicit-viewport-units (#3532) 449e636
• prefer-then-catch (#3526) a17e5a2
• require-frontmatter-fields (#3525) dfd91cd

Improvements

• Improve performance (#3531) 8233f95
• consistent-boolean-name: Support Vue refs (#3555) 79e79d5
• no-incorrect-template-string-interpolation: Ignore Unicode code point escapes (#3513) 36fdf1a
• no-negated-comparison: Ignore relational comparisons with optional chaining (#3512) 7b7e28a
• no-top-level-side-effects: Ignore <script setup> (#3542) af8fd60
• no-unnecessary-array-flat-map: Handle TypeScript Vue files (#3545) b6d01a0
• no-unsafe-property-key: Use type information for narrowed property keys (#3515) 69a6002
• no-unused-array-method-return: Ignore expect assertions (#3552) 110cc58
• no-useless-promise-resolve-reject: Handle awaited calls (#3504) 9b8a144
• no-useless-template-literals: Ignore const assertions (#3543) 4367228
• prefer-await: Add async IIFE suggestion (#3550) 305fb4b
• prefer-dom-node-html-methods: Add options and add to recommended preset (#3541) 581ef47
• prefer-export-from: Preserve JSDoc comments on single-const re-exports (#3544) e273ab6
• prefer-short-arrow-method: Add consistent-as-needed option (#3514) c068745
• prefer-simple-condition-first: Fix logic (#3530) a339abe
• prefer-split-limit: Support array destructuring (#3554) b23f959
• prefer-string-starts-ends-with: Detect slice comparisons (#3518) 98730de
• prefer-minimal-ternary: Don't report object-varying member access by default (#3508) 825b7b9

---

v71.1.0...v72.0.0

• consistent-boolean-name: Allow async boolean predicates (#3502) dafc7c9
• consistent-boolean-name: Allow boolean-like React refs with Ref suffix (#3501) 064d890

---

v71.0.0...v71.1.0

Improvements

• consistent-boolean-name: Ignore destructured variables (#3485) 0de22c5
• consistent-boolean-name: Skip React hooks by default (#3487) fab07e2
• isolated-functions: Respect configured globals in isolated functions (#3495) 1af1d1a
• no-unnecessary-array-flat-map: Ignore conditional flatMap fixes in TypeScript (#3499) 5eb6d87
• prefer-boolean-return: Ignore repeated boolean guard clauses (#3494) fdb3d89
• prefer-top-level-await: Ignore Svelte files (#3489) 58670ff
• prefer-uint8array-base64: Remove from presets (#3493) 3f4c31e

---

v70.0.0...v71.0.0

New rules

• no-async-promise-finally (#3450) 5aa9ea1
• no-unnecessary-fetch-options (#3476) db4e852
• no-unsafe-promise-all-settled-values (#3449) f66e080
• prefer-abort-signal-any (#3447) f044cef
• prefer-array-flat-map (#3457) 7d48a41
• prefer-array-from-range (#3451) f3e12e9
• prefer-block-statement-over-iife (#3452) 44a63da
• prefer-group-by (#3443) b3071b3
• prefer-iterator-helpers (#3446) 18d9362
• prefer-simplified-conditions (#3474) 93ee487

Improvements

• consistent-boolean-name: Add inverse boolean name support (#3478) d379e13
• expiring-todo-comments: Report unsupported catalog versions (#3455) 26f11da
• isolated-functions: Add defaults for workerize and common evaluate APIs (#3467) 30c7570
• isolated-functions: Support methods (#3470) c615523
• no-collection-bracket-access: Handle conditional member keys (#3462) cd01d0b
• no-manually-wrapped-comments: Handle more cases (#3460) c09d4c7
• no-non-function-verb-prefix: Add ignore option (#3475) f9a422e
• no-return-array-push: Fix false-positives (#3448) 5f4dd3a
• no-useless-else: Recognize process.exit() as an exiting branch (#3482) 46714a6
• prefer-continue: Ignore empty statements (#3473) df904a7
• prefer-early-return: Ignore empty statements (#3473) df904a7
• prefer-object-iterable-methods: Catch more callback methods (#3481) a076cbc

---

v69.0.0...v70.0.0

New rules

• consistent-tuple-labels (#3389) fb89880
• no-invalid-well-known-symbol-methods (#3433) a81ab49
• no-late-event-control (#3440) 898d9c5
• prefer-abort-signal-timeout (#3441) 5a59e19
• prefer-aggregate-error (#3436) e11cb92
• prefer-dom-node-replace-children (#3399) 5c83834
• prefer-error-is-error (#3438) d50d876
• prefer-observer-apis (#3398) 9c62a05
• prefer-promise-try (#3435) 704d141
• prefer-set-methods (#3439) 75c2bb3
• prefer-toggle-attribute (#3396) da04c21
• prefer-url-search-parameters (#3395) b410701

Improvements

• comment-content: Don't mutate commented-out multi-line code (#3413) bef80c8
• consistent-boolean-name: Add ignore option and plural prefixes (#3423) 7cc1d9e
• consistent-boolean-name: Don't crash on Svelte {#each} bindings (#3417) effc0e1
• consistent-conditional-object-spread: Treat undefined/null fallback as an empty branch (#3401) 38eebbd
• custom-error-definition: Allow no-substitution template literal for name (#3383) 594e050
• custom-error-definition: Don't require options parameter when forwarded to super() inline (#3377) e931467
• name-replacements: Exclude Vite type declaration (#3375) 396c2ed
• no-computed-property-existence-check: Allow dynamic access to a known boolean value (#3420) add50ff
• no-incorrect-template-string-interpolation: Ignore braces inside block comments (#3429) 2676b5d
• no-nonstandard-builtin-properties: Allow stack on Error instances (#3416) b4a3527
• no-return-array-push: Allow void operator to opt out (#3384) 046dc75
• no-return-array-push: Don't report custom push methods that don't return arrays (#3427) ed1b57e
• no-top-level-side-effects: Allow type-only exports (#3421) c896024
• no-unnecessary-boolean-comparison: Fix false positive for destructured parameters and yield expressions (#3392) 26f37f8
• no-unnecessary-global-this: Don't report existence checks (#3426) 668ec36
• no-unreadable-object-destructuring: Allow computed keys when a rest element is present (#3400) 3d3b654
• no-unsafe-string-replacement: Ignore non-string receivers (#3442) 05c7c25
• no-unused-array-method-return: Restrict values() reporting to arrays (#3434) 9e12972
• no-useless-boolean-cast: Keep Boolean() around possibly-undefined values (#3397) d35e538
• no-useless-concat: Skip concats that form a ${…} placeholder (#3428) a39fe66
• no-useless-else: Autofix else bodies containing JSX (#3419) 3c17b69
• no-useless-iterator-to-array: Improve fixes (#3432) 3bc8c69
• prefer-at: Only check positive string index access with checkAllIndexAccess (#3415) 68d0d25
• prefer-code-point: Don't suggest the swap when the result feeds arithmetic (#3430) 9083ae7
• prefer-continue: Don't report when the if body exits the loop (#3414) 2187122
• prefer-minimal-ternary: Add checkVaryingCallee option (#3381) c397f87

---

v68.0.0...v69.0.0

Breaking

• Rename prevent-abbreviations rule to name-replacements (#3362) af0158d

Awesome

Now 300+ rules 🎉

New rules

• consistent-conditional-object-spread (#3326) 8aa1e0d
• default-export-style (#3364) 0015e81
• no-accidental-bitwise-operator (#3318) af2661e
• no-array-concat-in-loop (#3350) 4a1f65c
• no-array-front-mutation (#3323) d8302bd
• no-array-sort-for-min-max (#3351) e4b6666
• no-boolean-sort-comparator (#3368) 3be859c
• no-chained-comparison (#3310) c29e211
• no-collection-bracket-access (#3286) 6ccd694
• no-constant-zero-expression (#3311) 134eea2
• no-double-comparison (#3329) ae4d7d7
• no-duplicate-if-branches (#3346) 94b8c3b
• no-duplicate-logical-operands (#3348) af07fd8
• no-impossible-length-comparison (#3342) 84dfd8b
• no-invalid-character-comparison (#3333) b2e9191
• no-loop-iterable-mutation (#3357) b961432
• no-misrefactored-assignment (#3315) 063a798
• no-nonstandard-builtin-properties (#3337) 14cc4db
• no-selector-as-dom-name (#3328) 6d9b14f
• no-unnecessary-boolean-comparison (#3349) 00d90d4
• no-useless-compound-assignment (#3355) ddf347a
• no-useless-delete-check (#3359) 2712e16
• no-useless-logical-operand (#3352) 8689080
• no-xor-as-exponentiation (#3356) 5b1952b
• prefer-array-from-async (#3370) b2bf08f
• prefer-array-iterable-methods (#3358) e32a7c3
• prefer-boolean-return (#3340) 084bb9e
• prefer-continue (#3347) c374e14
• prefer-flat-math-min-max (#3341) 3f0a2ce
• prefer-hoisting-branch-code (#3369) 00d8a9b
• prefer-math-constants (#3309) 6ee7dd8
• prefer-promise-with-resolvers (#3322) e880d29
• prefer-regexp-escape (#3367) dec6c31
• prefer-single-replace (#3353) 9117778
• prefer-unary-minus (#3354) 98c6f38
• prefer-url-can-parse (#3366) ba55624
• prefer-while-loop-condition (#3344) ce538b7

Improvements

• Improve rule performance (#3339) 42abe74
• Harden rules (#3305) 34ca8f6
• Harden rules (#3299) d7ce07e
• prefer-short-arrow-method: Remove from recommended preset (#3345) 0cfd77a
• prefer-type-literal-last: Remove from unopinionated preset and stop checking intersection types (#3320) 447c665
• consistent-boolean-name: Do not check destructured bindings (#3324) fb0cfe0
• logical-assignment-operators: Do not assume the base rule's defaultOptions exist (#3321) 253e25f
• logical-assignment-operators: Improve error message (#3302) 3ec8fec
• name-replacements: Add more default replacements (#3365) f968bf3
• new-for-builtins: Cover more builtins (#3361) e04ac43
• no-array-splice: Only report fresh, non-escaping local arrays (#3301) babb873
• no-break-in-nested-loop: Handle unlabeled continue in nested switch statements (#3335) ca893ba
• no-declarations-before-early-exit: Ignore initializers containing await or yield (#3303) 6d98190
• no-incorrect-template-string-interpolation: Remove from unopinionated preset and fix false-positive (#3319) 39dc546
• no-manually-wrapped-comments: Ignore some more comments (#3292) a545dfe
• no-named-default: Don't drop comments in autofix (#3306) 44e7361
• no-unsafe-property-key: Allow intrinsic string-mapping types as keys (#3343) ba6020f
• no-useless-coercion: Flag +value, value + '', and value.toString() idioms (#3338) 23a52f6
• no-useless-undefined: Flag return undefined for void return type (#3334) 488d5e3
• prefer-array-find: Add .filter(…).slice(-1) support (#3360) b6ea1e2
• prefer-early-return: Fix lexical declaration autofixes (#3325) e7771bd
• prefer-identifier-import-export-specifiers: Check import attribute keys (#3287) fec43d2
• prefer-includes-over-repeated-comparisons: Ignore distinct expressions compared against undefined (#3308) 78858ec
• prefer-minimal-ternary: Report dynamic computed-key swaps (#3300) 72879c4
• prefer-number-properties: Add parseFloat support (#3307) 4b891d3
• prefer-object-iterable-methods: Preserve TypeScript casts on value access (#3327) d3a4d39

---

v67.0.0...v68.0.0

New rules

• consistent-boolean-name (#3237) 8be0920
• logical-assignment-operators (#3246) 7046694
• no-array-splice (#3235) d1143a9
• no-invalid-argument-count (#3243) ec091a9
• no-non-function-verb-prefix (#3242) 5c32dd0
• no-top-level-assignment-in-function (#3234) e5ff667
• no-uncalled-method (#3231) f65ac01
• no-unreadable-for-of-expression (#3248) a8c7f89
• no-useless-coercion (#3283) 3c76922
• no-useless-continue (#3276) 5fd7d25
• no-useless-override (#3271) f503289
• operator-assignment (#3249) 65ef58c
• prefer-array-slice (#3233) d9bce20
• prefer-else-if (#3232) 98c2c2e
• prefer-has-check (#3250) a8d380d
• prefer-map-from-entries (#3255) 01c0f82

Improvements

• no-unreadable-new-expression: Remove from recommended preset (#3285) c9f452e
• comment-content: Remove from recommended preset (#3269) 21cce8b
• comment-content: Add checkUniformCase option (#3269) 21cce8b
• consistent-class-member-order: Group static methods with other static members (#3239) 8f4de02
• consistent-class-member-order: Improve error message (#3264) 47f9f21
• dom-node-dataset: Flag .dataset assigned to a variable with preferAttributes (#3268) 79198cc
• no-array-reduce: Suggest Math.sumPrecise() for sum reduces (#3261) 081936d
• no-return-array-push: Disallow using push() and unshift() return values (#3244) d9ea7ab
• no-unreadable-array-destructuring: Disallow property targets (#3245) 8b50359
• no-unreadable-object-destructuring: Disallow property targets (#3245) 8b50359
• no-useless-fallback-in-spread: Add checkTernary option (#3284) b2496fc
• prefer-logical-operator-over-ternary: Improve nullish ternary detection (#3240) 4014a1e
• prefer-minimal-ternary: Add checkComputedMemberAccess option (#3241) cf4c014
• prefer-scoped-selector: Only apply to combined selectors (#3263) d715bad
• prefer-scoped-selector: Report partially-scoped selector lists (#3259) cf88cdd
• prefer-type-literal-last: Keep null and undefined last (#3281) f6a9dce
• no-array-callback-reference: Harden the rule (#3230) dcc0cf8
• no-declarations-before-early-exit: Harden side-effect detection (#3238) 1bad677
• no-declarations-before-early-exit: Ignore React hook calls (#3280) de47dce
• comment-content: Skip non-prose comments (#3236) 9c85b1f
• no-empty-file: Don't report non-empty files parsed by a plain-text parser (#3270) 3b8b9a4
• no-unsafe-property-key: Don't flag unique symbol keys (#3278) 3fa567e
• no-unsafe-property-key: Ignore template literal types (#3247) b8d9602

---

v66.0.0...v67.0.0

Breaking

• Require Node.js 22 (#3090) 93164fb
• Require ESLint 10.4 (#3090) 93164fb
• Rename no-array-for-each rule to no-for-each (#3216) b87c8a9
• Drop no-hex-escape rule (#3202) d68b09e
  • Replaced by prefer-unicode-code-point-escapes, which covers more cases.

New rules

• class-reference-in-static-methods (#3154) bbeb92f
• comment-content (#3104) d14d0fd
• consistent-class-member-order (#3226) d116a6b
• consistent-export-decorator-position (#3175) 9302e8d
• consistent-function-style (#3137) a86fe5e
• consistent-optional-chaining (#3195) c07bf4e
• explicit-timer-delay (#2814) 29ae4eb
• id-match (#3109) d39bfa3
• max-nested-calls (#3183) 0763b75
• no-asterisk-prefix-in-documentation-comments (#3191) 4a95ff6
• no-break-in-nested-loop (#3148) 41648c1
• no-computed-property-existence-check (#3151) af0e3c4
• no-confusing-array-with (#3178) 95a748b
• no-declarations-before-early-exit (#3139) f7241c8
• no-duplicate-loops (#3142) 745e9ed
• no-error-property-assignment (#3114) bf9d72e
• no-global-object-property-assignment (#3136) b03927e
• no-incorrect-template-string-interpolation (#3162) 32380f9
• no-mismatched-map-key (#3192) 154049f
• no-negated-array-predicate (#3203) 6ba7506
• no-negated-comparison (#3149) 5733173
• no-object-methods-with-collections (#3194) c9ffbf9
• no-optional-chaining-on-undeclared-variable (#3223) 74be15e
• no-redundant-comparison (#3068) 115837d
• no-return-array-push (#3098) b8735b0
• no-subtraction-comparison (#3123) 178184b
• no-top-level-side-effects (#3184) 442fba3
• no-undeclared-class-members (#3153) 93cbfc0
• no-unnecessary-global-this (#3161) a9e2c65
• no-unnecessary-splice (#3124) 646ad09
• no-unreadable-new-expression (#3113) 6ae57a9
• no-unreadable-object-destructuring (#3160) 1696abd
• no-unsafe-buffer-conversion (#3174) a85f2c6
• no-unsafe-dom-html (#3218) c70380a
• no-unsafe-property-key (#3227) d1b6ba7
• no-unsafe-string-replacement (#3120) e097996
• no-useless-boolean-cast (#3097) b55d2f8
• no-useless-concat (#3146) 5a88ede
• no-useless-else (#3152) a99a914
• no-useless-recursion (#3150) d7ecd39
• no-useless-template-literals (#3225) b752111
• prefer-add-event-listener-options (#3169) 347abff
• prefer-array-from-map (#3158) 584d39d
• prefer-await (#3147) 15632b6
• prefer-direct-iteration (#3107) 0e2fcfd
• prefer-dispose (#3085) ce29c25
• prefer-dom-node-html-methods (#3119) 1887853
• prefer-early-return (#3131) eaca182
• prefer-global-number-constants (#3127) 3c7c767
• prefer-identifier-import-export-specifiers (#3134) b222909
• prefer-iterable-in-constructor (#3129) 5d76a2d
• prefer-iterator-to-array (#3094) 21eb45b
• prefer-location-assign (#3132) a064465
• prefer-minimal-ternary (#3222) 9c952e0
• prefer-number-coercion (#3105) 2e6696d
• prefer-number-is-safe-integer (#3073) 55d9f7e
• prefer-object-define-properties (#3189) ced7bcd
• prefer-object-destructuring-defaults (#3210) d52f71b
• prefer-object-iterable-methods (#3156) 825fbc0
• prefer-path2d (#3187) a131574
• prefer-private-class-fields (#3116) 4b2273e
• prefer-scoped-selector (#3099) 2c6eca5
• prefer-short-arrow-method (#3118) 745cd27
• prefer-simple-sort-comparator (#3081) 72d12e5
• prefer-single-array-predicate (#3164) cd42516
• prefer-single-object-destructuring (#3163) c08a8fb
• prefer-smaller-scope (#3206) 4374b0e
• prefer-temporal (#3075) 74c55af
• prefer-type-literal-last (#3121) 9967938
• prefer-uint8array-base64 (#3086) 254e2e0
• prefer-unicode-code-point-escapes (#3202) d68b09e
• prefer-url-href (#3186) 790bbfd
• require-array-sort-compare (#3166) ed51c89
• require-proxy-trap-boolean-return (#3159) 54ccecb

Improvements

• Harden some rules with type info (#3228) 1c85dd1
• Harden array checks (#3145) 6b2de0a
• Improve type detection in some rules (#3197) 3cb9d4b
• Improve comment handling (#3133) d698a60
• Expand language support for additional rules (#3176) fec53a5
• Support non-JavaScript files in more rules (#3079) 52c1774
• consistent-compound-words: Allow newLine word (#3117) 949e56b
• consistent-compound-words: Improve performance (#3185) fc4e29a
• consistent-destructuring: Stop expanding destructuring (#3115) 65afb79
• consistent-function-scoping: Track JSX references (#3101) e0130c2
• expiring-todo-comments: Add peer: condition (#3088) 93e9a0c
• expiring-todo-comments: Simplify report messages (#3215) d0945e0
• explicit-length-check: Detect length <= 0 as a zero-length check (#3071) ea471f1
• filename-case: Add camelCaseWithAcronyms case (

Note truncated.

• no-unused-array-method-return: Fix false positive on type assertions (#3065) 4939b00a
• prefer-https: Fix false positive on XML namespace URIs (#3063) 51842624

---

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v65.0.0...v65.0.1

Breaking

• Drop better-regex rule (#2968) 89dc5dc0
  • It's too broken and it's not feasible to fix it.
• Rename ignore* boolean options to check* for consistency (#3045) 8acfea1d
  • expiring-todo-comments: ignoreDates → checkDates
  • expiring-todo-comments: ignoreDatesOnPullRequests → checkDatesOnPullRequests
  • prefer-export-from: ignoreUsedVariables → checkUsedVariables
• Rename prefer-dom-node-dataset rule to dom-node-dataset 3f51bc64
• expiring-todo-comments: Make checkDates option true by default (#3044) 5e31bba7
• prefer-global-this: Remove exemption for WebWorker-specific APIs (#2926) add2138b

New rules

• better-dom-traversing (#3052) df50cee1
• consistent-compound-words (#3061) fcacf46b
• consistent-json-file-read (#2987) d9d38620
• no-array-fill-with-reference-type (#3039) 47356fa7
• no-array-from-fill (#3007) 57324cb9
• no-blob-to-file (#2993) 7302833c
• no-canvas-to-image (#2985) b4a5af12
• no-confusing-array-splice (#2978) 01ae1d2a
• no-duplicate-set-values (#2995) f29a382d
• no-exports-in-scripts (#3015) 4cbb5293
• no-incorrect-query-selector (#3059) 150b5f10
• no-invalid-file-input-accept (#3047) 2c8d77be
• no-late-current-target-access (#2974) db860861
• no-manually-wrapped-comments (#3036) 87fe35b3
• no-this-outside-of-class (#3030) 21fc3691
• no-unnecessary-nested-ternary (#3023) cc1ced20
• no-unused-array-method-return (#2940) a7d8a6ca
• prefer-array-last-methods (#3029) 108d7a13
• prefer-get-or-insert-computed (#2979) f48f3800
• prefer-https (#3014) 838695ea
• prefer-includes-over-repeated-comparisons (#3056) 3c5880e3
• prefer-iterator-concat (#2998) 5c52d0cb
• prefer-iterator-to-array-at-end (#3041) 6b341b6e
• prefer-math-abs (#2996) 7df5b485
• prefer-queue-microtask (#3050) 3fc8b037
• prefer-split-limit (#3019) 6308c1df
• prefer-string-match-all (#3057) c9b5ec83
• prefer-string-pad-start-end (#3002) 3736c66c
• prefer-string-repeat (#2988) e52c4550
• require-css-escape (#3037) 55ff804b
• require-passive-events (#3004) 4c175686
• try-complexity (#3055) e7a19996

Improvements

• prefer-dom-node-dataset: Add preferAttributes option (#2918) 3f51bc64
• consistent-function-scoping: Ignore functions in Jest mock factories (#3032) 8711c4aa
• custom-error-definition: Handle custom error message accessors (#2980) 1b82067a
• expiring-todo-comments: Add CSS support (#2972) 4fd8dd5a
• explicit-length-check: Ignore nullable property guards (#3006) 8b96ae0d
• filename-case: Check directories too (#3038) a85e9e8e
• filename-case: Allow $-prefixed filenames (#3012) b9cbbed7
• import-style: Warn about misuse when all styles are set to false (#3043) f446f98e
• no-array-callback-reference: Add ignore option (#3042) 8d33caf2
• no-array-callback-reference: Use singular callback parameter names (#3035) ced1210a
• no-array-for-each: Ignore strict-callbag-basics namespaces (#3010) d3a643ee
• no-array-reduce: Add autofix (#3058) b0248a6d
• no-empty-file: Add allowComments option (#2984) 3908ccd4
• no-null: Add checkArguments option (#3049) ff658c59
• no-useless-spread: Report spreading into collection constructors (#3025) 0dbd8d79
• no-useless-undefined: Ignore Promise.resolve(undefined) in TS (#3031) 3310c37a
• numeric-separators-style: Add fractionGroupLength option (#3051) 00744635
• prefer-array-some: Detect assigned find results (#3028) f34565d3
• prefer-at: Ignore arguments (#2976) 24e65754
• prefer-query-selector: Add allowWithVariables option (#2953) 2d51e305
• prefer-set-has: Allow compatible extra usages (#3060) 49535b0b
• prefer-set-has: Add minimumItems option (#3024) cbf5e885
• prefer-set-has: Improve TypeScript autofix (#2983) 63f87d9d
• prefer-single-call: Add unshift() support (#3034) b207989c
• prefer-string-raw: Forbid unnecessary String.raw (#2695) 1fdace02
• prefer-string-replace-all: Enforce replaceAll over split().join() (#3048) 9ad46578
• prefer-string-slice: Improve autofix (#3021) 3407bf7d
• prefer-top-level-await: Ignore variable initializers (#3020) 53cfc3cf
• prevent-abbreviations: Add suggestions for ambiguous replacements (#3033) c0d638f4
• prevent-abbreviations: Avoid unsafe parameter autofixes (#3054) fc18bd90
• string-content: Add caseSensitive option (#3053) afbc4628
• string-content: Add selectors option (#3026) 82a1962e
• Improve rule performance (#2977) c9153ca0

Fixes

• consistent-destructuring: Fix type guards (#2994) 20d31076
• explicit-length-check: Fix false positive (#2989) 04f6883f
• no-array-callback-reference: Fix local callbacks (#3027) 9212b9b5
• no-lonely-if: Fix fixer overlap with whole-range fixes 0e023e3a
• no-unnecessary-polyfills: Fix false positives for multi-feature imports (#2941) 4523856e
• prefer-at: Avoid reporting object index access (#2999) f0509daa
• prefer-dom-node-append: Fix append API label (#3018) aa1e02d9
• prefer-dom-node-remove: Improve fixer (#2991) 0c4bac4b
• prefer-keyboard-event-key: Handle more cases (#2992) 4bfd3772
• prefer-regexp-test: Fix length checks (#2986) 16387c83
• prefer-regexp-test: Ignore RTK action matchers (#3003) 5bc965d9
• prefer-spread: Fix string false positives (#3011) 7c630d1d
• prefer-top-level-await: Fix under @typescript-eslint/parser (#2948) 93f33eb2
• prefer-top-level-await: Ignore Zod schema catch fallback (#3005) 889da5a6
• require-module-specifiers: Allow bare export {} as a module marker (#3001) c21bf378
• template-indent: Fix root indentation detection (#2981) f0e4fad2
• throw-new-error: Fix decorator false positive (#3000) 3ea18cc2
• Fix tagged template escape rules (#2982) 5ed84906

---

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v64.0.0...v65.0.0

New rules

• consistent-template-literal-escape (#2866) 55444b41
• no-useless-iterator-to-array (#2872) 641b88c9
• prefer-simple-condition-first (#2902) b0279dd2
• switch-case-break-position (#2910) 8d5d4873

Improvements

• Support TypeScript type assertions in many rules (#2909) 6b41299a
• text-encoding-identifier-case: Support template literals (#2905) 9448c8ce
• prefer-math-min-max: Ignore Date objects (#2903) cd53d9ea
• prevent-abbreviations: Handle exported TS interfaces and enums (#2898) 6dc01d23
• no-array-callback-reference: Skip TypeScript type predicate callbacks (#2897) 02364c83
• prefer-spread: Skip autofix when it would drop comments (#2896) 6ff14677
• no-useless-undefined: Flag return undefined for explicit undefined return types (#2876) 41fc9c27
• no-unnecessary-polyfills: Improve performance (#2874) c88bf295
• expiring-todo-comments: Add ignoreDates option (#2892) 95a288ba
• prevent-abbreviations: Recognize jQuery 42f53641
• prefer-object-from-entries: Avoid auto-fixing generic reduce (#2878) bea9b200

Fixes

• expiring-todo-comments: Fix partial version comparison (#2895) 51390e9d
• consistent-destructuring: Fix false positive for nested rest destructuring (#2894) 1cddfb59
• consistent-destructuring: Fix false positive after reassignment (#2893) c7f57d0e
• consistent-function-scoping: Fix TypeScript false positives for lexical this (#2885) a383657a
• custom-error-definition: Fix class field autofix (#2887) 1359726b
• explicit-length-check: Fix || fallback false positives (#2889) 84246ecd
• explicit-length-check: Avoid unsafe autofix in negated comparisons (#2883) 73b043ba
• import-style: Fix false positive for type-only import (#2891) aea99544
• no-unused-properties: Fix for JSX member access (#2890) 0ff698b3
• better-regex: Fix empty-pattern autofix (#2881) c2019877
• prefer-global-this: Fix for window-specific in checks (#2879) 6bf75370
• prefer-native-coercion-functions: Fix false positive for TS type predicates (#2888) 4c4b565a
• prefer-set-has: Fix string false positives (#2882) c230c220
• prefer-top-level-await: Fix false positive with Promise.all (#2884) 67faa7ac

---

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v63.0.0...v64.0.0

New rules

• isolated-functions (#2701) 4956a6be

Improvements

• Support ESLint 10 (#2823) bd0901b1
• prefer-set-size: Add Array.from() support (#2857) e556143b
• prefer-bigint-literals: Support signed numbers and strings (#2784) a332a509
• prefer-export-from: Fix type-import being removed when using namespace import (#2771) ab4b779a
• prefer-spread: Fix: Skip TypedArray and ArrayBuffer constructor calls (#2871) 42a558f7
• no-array-sort: Ignore .sort() calls with non-function arguments (#2862) cbb23774
• prefer-add-event-listener: Don't autofix non-function assignments (#2865) 989ec61a
• explicit-length-check: Ignore || with string fallback value (#2861) 4806f7e6
• no-unnecessary-polyfills: Fix false positive for graduated esnext features (#2864) d6c13ab1
• no-for-loop: Skip auto-fix for string types when .entries() would be needed (#2869) 08a591a9
• import-style: Fix crash on export {x} without from clause (#2868) 141c8c50
• expiring-todo-comments: Should not flag ESLint disable comments (#2828) 3568dafb
• no-useless-collection-argument: Use suggestions to remove empty array with comments (#2838) c0d06879
• prefer-set-has: Check Iterator#toArray() and String#split() (#2829) ab8970ec
• no-useless-spread: Fix false positive on Iterator (#2831) 994e31ca
• isolated-functions: Ignore TypeScript types (#2822) c3479c0d
• prefer-string-raw: Exclude inline snapshot (#2811) 6e7f93c4
• consistent-assert: Explicitly check specifier node type (#2803) 396a8fa2

---

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v62.0.0...v63.0.0

New rules

• no-immediate-mutation (#2787) e1c7d2ed
• no-useless-collection-argument (#2777) 2d07c9a9
• prefer-response-static-json (#2778) ffe5943b

Improvements

• text-encoding-identifier-case: Add withDash option (#2780) 90253860
• no-useless-undefined: Check one undefined at a time (#2792) 27f75099
• prefer-single-call: Check optional chaining (#2788) 8a132ace
• text-encoding-identifier-case: Enforce 'utf-8' in form[acceptCharset] and TextDecoder (#2785) 46b39741
• prefer-node-protocol: Handle TypeScript import types (#2774) 13a37a0d
• no-array-for-each: Ignore forEach for Effect library (#2783) 2ef6f831
• prefer-string-raw: Ignore more places that requires a string (#2776) 43bc4299
• prefer-string-raw: Add support for template literals (#2691) 52723a24
• prefer-global-this: Add navigation to windowSpecificAPIs (#2770) 0c939985
• prefer-code-point: Report cases where String.fromCharCode is not called directly (#2766) 1d682a18
• no-useless-spread: Safely remove empty array and object (#2764) 7aeabab3

Fixes

• consistent-function-scoping: Fix inconsistent behavior (#2748) a5464440

---

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v61.0.2...v62.0.0

• throw-new-error: Fix false positive for Effect library (#2740) 0ddf5ead
• no-useless-undefined: Ignore Set#delete(undefined) (#2739) 99acd272
• prefer-includes and prefer-array-index-of: Prevent crash on Vue files (#2645) a1da5182

---

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v61.0.1...v61.0.2

• prefer-classlist-toggle: Omit Element#classList.contains() call when fixing (#2732) 066f96b9

---

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v61.0.0...v61.0.1

New rules

• prefer-bigint-literals (#2722) 1f4cb8a2
• prefer-classlist-toggle (#2731) 5f27ec2a
• require-module-attributes (#2725) 5f275e25
• no-array-sort (#2713) b70d1e8e

Improvements

• Add unopinionated config (#2715) c13d09b8
• Improve compatibility with optional chaining (#2727) 60b2ec5e
• no-array-reduce: Report optional chaining and calling of .reduce() (#2721) caa1f8b8
• prefer-type-error: Ignore error type check (#2729) d12fc01c

Fixes

• prefer-includes: Fix compatibility with Vue SFC (#2704) 540a4d4b

---

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v60.0.0...v61.0.0

Breaking

• Require Node.js 20.10 (#2698) 2dc27d90

New rules

• prefer-class-fields (#2512) 4c82dc12
• no-array-reverse (#2677) b051302f
• require-module-specifiers (#2686) 2a8e152e
• no-useless-error-capture-stack-trace (#2676) fc900b61

Improvements

• prefer-string-replace-all: Preserve escape (#2667) 2310b507
• Support SuppressedError (#2669) f51aeb9a

Fixes

• no-array-callback-reference: Fix optional chaining expressions being ignored (#2694) ad27922e
• no-unnecessary-await: Fix handling of experimental pipeline operator (#2658) 2b8ebe57

---

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v59.0.1...v60.0.0

• prefer-single-call: Fix crash on CallExpression followed by FunctionDeclaration (#2639) 3114dd9

---

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v59.0.0...v59.0.1

Breaking

• Rename no-array-push-push rule to prefer-single-call (#2617) e117783
• Rename no-length-as-slice-end rule to no-unnecessary-slice-end (#2614) 1922df1

New rules

• Add prefer-import-meta-properties (#2607) 1f6e172
• Add no-unnecessary-array-flat-depth (#2618) c63e698
• Add no-unnecessary-array-splice-count (#2614) 1922df1

Improvements

• Support Float16Array (#2622) 9e50568
• prefer-node-protocol: Support process.getBuiltinModule() (#2611) 056364d
• no-unnecessary-slice-end: Support checking Infinity (#2614) 1922df1

---

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v58.0.0...v59.0.0

Potentially breaking

• Update engines.node in package.json to match real compatibility (#2581) e48a620

Improvements

• escape-case: Add case option (#2559) 0f6048c
• number-literal-case: Add hexadecimalValue option (#2559) 0f6048c
• prevent-abbreviations: Preserve iOS (#2560) e8798da

Fixes

• no-unnecessary-polyfills: Fix browserslist field name (#2603) 1a4c76f
• no-unnecessary-polyfills: Fix crash on checking es6-error module (#2582) 66de41a
• no-accessor-recursion: Fix exception when used in CommonJS (#2574) ca1e432

---

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v57.0.0...v58.0.0

Breaking

• This package is now pure ESM. Please read this.
• Flat config is now required c44ea26
  • Migration guide
• ESLint 9.20.0 or later is required c44ea26

New rules

• consistent-date-clone (#2544) 8cebcf4
• no-named-default (#2538) ed8da1b
• consistent-assert (#2535) f3fc973
• no-instanceof-builtins 8197574 41548c4
• no-accessor-recursion (#2525) 92b5671

Improvements

• Deprecate no-instanceof-array (#2534) c9c056c
  • Replaced by no-instanceof-builtins which covers more cases.
• prefer-includes: Support Vue template (#2526) 4e539b4
• prevent-abbreviations: Add util and utils to abbreviations (#2507) 5ba9f0a
• prefer-math-min-max: Ignore BigInt (#2467) 8b7c5fc
• prefer-global-this: Also exclude outerWidth and outerHeight (#2549) 8f00f76
• prefer-at: Remove unsafe autofix for .slice with 1 argument (#2476) 2985ecc
• prefer-math-min-max: Reduce false positives in TypeScript (#2527) 1cbc561
• prefer-string-raw: Ignore ImportAttribute (#2551) d963ccd

Fixes

• new-for-builtins: Correct fix for Date() (#2543) e5e17f8
• prefer-global-this: Fix auto-fix for typeof window (#2501) b95dc12

---

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v56.0.1...v57.0.0

• expiring-todo-comments: Fix compatibility with ESLint 9.15 (#2497) 16b09d3

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v56.0.0...v56.0.1

New rules

• prefer-global-this (#2410) 1558cbe
• prefer-math-min-max (#2432) 7369077
• consistent-existence-index-check (#2425) d3e4b80

Breaking

• Remove better-regex from recommended rules (#2443) 461b01c
  • Reason

Improvements

• no-useless-undefined: Ignore React 19 useRef calls (#2463) 5f744e8
• prefer-query-selector: Add support for getElementsByName (#2398) e511ffd
• prefer-string-slice: Remove unsafe autofix for String#substr() (#2427) 891842d
• no-for-loop: Remove invalid fix for TypeScript (#2426) 1e367bb

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v55.0.0...v56.0.0

New rules

• no-length-as-slice-end (#2400) 3c33820

Improvements

• Add TypeScript types (#2382) 68e0f13

Fixes

• no-single-promise-in-promise-methods: Remove broken autofix for Promise.all() (#2386) 8d28b6e
• prefer-node-protocol: Ignore Bun modules (#2384) a45b24a
• no-negation-in-equality-check: Ignore boolean type casting (#2379) 37e00dd

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v54.0.0...v55.0.0

New rules

• no-negation-in-equality-check (#2353) 8957a03

Breaking

• prefer-array-find: Change checkFromLast default value to true (#2367) a449af9

Improvements

• Add name to flat configs (#2377) ac8536e
• prefer-array-some: Check Array#{findIndex,findLastIndex}() (#2370) 10568ab
• prefer-includes: Check .lastIndexOf() (#2368) d812ad1
• prefer-string-raw: Ignore strings in Enums (#2354) 175ea04

Fixes

• Fix edge cases when add new to calls (#2352) d8f8161

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v53.0.0...v54.0.0

New rules

• consistent-empty-array-spread (#2349) 8d7954c
• prefer-string-raw (#2339) 4f1400a
• no-invalid-fetch-options (#2338) 342aafb
• no-magic-array-flat-depth (#2335) bc17428
• prefer-structured-clone (#2329) 497519e

Breaking

• Require Node.js 18.18 (#2250) 598f57b

Meta

• You can now sponsor @fisker for his work on this project (#2348) b82542d

Improvements

• Support ESLint 9 (#2250) 598f57b
• no-array-method-this-argument: Check Array.fromAsync() (#2330) 99489b9
• prefer-number-properties: Add checkNaN option (#2315) d30de50
• template-indent: Support member expression paths in tags and functions (#2346) aabcf1d
• prefer-number-properties: Don't require by default for Infinity/-Infinity to be written as Number.POSITIVE_INFINITY/Number.NEGATIVE_INFINITY (#2312) e0dfed2
• escape-case: Ignore String.raw (#2342) 45bd444
• no-hex-escape: Ignore String.raw (#2343) cc02a7f
• prefer-dom-node-dataset: Ignore awaited getAttribute call (#2334) 45f23d5
• prevent-abbreviations: Support non-ASCII filenames (#2308) 28762c8
• throw-new-error: Check all call expressions instead of just argument of ThrowStatement (#2332) 1626852

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v52.0.0...v53.0.0

New rules

• no-single-promise-in-promise-methods (#2258) 8f0ee89
• no-await-in-promise-methods (#2259) a3be554
• no-anonymous-default-export (#2273) c035216

Improvements

• filename-case: Add option for multiple file extensions (#2186) 4594020
• import-style: Support node: protocol (#2297) c28a086
• prefer-array-find: Check array.filter().at(0) (#2284) e6074fe
• prefer-prototype-methods: Check Object.prototype methods from globalThis (#2286) 1792d33
• no-array-callback-reference: Check logical expressions and check ternaries deeply (#2289) 231529a

Fixes

• prefer-spread: Fix it to not report on optional chaining (#2304) df1ff1c
• no-anonymous-default-export: Uppercase class name (#2282) 5ce4169

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v51.0.1...v52.0.0

• prefer-node-protocol: Fix false positive on bun:* modules (#2272) 43fc638

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v51.0.0...v51.0.1

Breaking

• consistent-destructuring: Remove from recommended preset (#2260) 702d51b

Improvements

• no-array-method-this-argument: Check Array.from() (#2262) 797caee

Fixes

• no-thenable: Fix crash on {[Symbol.prototype]: 0} (#2248) 3c7d7c0
• prefer-prototype-methods: Fix argument of isMethodCall (#2247) 3b504fa

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v50.0.1...v51.0.0

Fixes

• no-unnecessary-polyfills: Fix missing dependency error (#2242) 3df16068

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v50.0.0...v50.0.1

New rules

• no-unnecessary-polyfills (#1717) 6788d86

Improvements

• Support ESLint's new config system (#1886) 65711f9
• no-useless-undefined: Add checkArrowFunctionBody option (#2232) 9d7048c
• prefer-negative-index: Check TypedArray#subarray() (#2237) 6708a30
• no-useless-undefined: Ignore React state setters (#2223) 42881ba
• prefer-module: Allow module as TSTypeParameter name (#2213) 8f61f7c

Fixes

• string-content: Fix JSX autofix for newlines, etc. (#2222) b95e75e

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v49.0.0...v50.0.0

Improvements

• expiring-todo-comments: Support monorepos (#2159) ac51d40
• prefer-module: Allow module as TSIndexSignature names or TSTypeAliasDeclaration ids (#2209) ea94b3b
• Support RegExp v flag (#2195) 28e7498
• prefer-event-target: Ignore EventEmitter from @angular/core and eventemitter3 (#2197) 1629ebe

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v48.0.1...v49.0.0

• no-empty-file: Fix directive check for TypeScript parser (#2180) 1bb9ce8

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v48.0.0...v48.0.1

Improvements

• Deprecate no-unsafe-regex rule (#2135) 7b473aa
• prefer-top-level-await: Ignore promises inside Promise.{all,allSettled,any,race}() (#2139) d3f6b60
• no-process-exit: Ignore when using node:worker_threads module (#2136) 2907805
• prefer-array-some: Ignore filter calls with literal argument (#2097) 7a32edb
• prefer-modern-math-api: Check cases that Math.hypot() should be preferred (#2080) 9bbc948
• explicit-length-check: Ignore .length || number (#1977) b9b8794

Fixes

• Fix crash on array holes (#2129) f10f1a6
• prefer-dom-node-dataset: Fix edge cases (#2171) b2d7378
• prefer-dom-node-dataset: Remove broken fix for element.setAttribute (#2169) 61234af
• no-lonely-if: Fix an edge case (#2168) ca837a8
• no-useless-undefined: Turn parameter with undefined default value into optional parameter (#2138) 4aa7d60
• no-thenable: Fix Object.fromEntries() check (#2130) f3265b9
• prefer-dom-node-remove: Fix incorrect auto-fix (#2084) 74bb36d

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v47.0.0...v48.0.0

Breaking

• Require Node.js 16 (#2073) a3bc120
• Require eslint@>=8.38.0 (#2066) 04af765
• Enable prefer-at, prefer-event-target, and prefer-string-replace-all in recommended config (#2073) a3bc120

New rules

• prefer-blob-reading-methods (#2065) 2bb1a04

Improvements

• prefer-top-level-await: Ignore .cjs files (#2072) 0c3ccb1
• prefer-spread: Stop checking Array.from call with map function (#2064) f5beccb
• prefer-dom-node-text-content: Check optional chaining (#2062) 8d6d007
• prefer-dom-node-{append,remove}: Check optional chaining (#2061) 443999b

Fixes

• prefer-number-properties: Fix false positives (#2050) 124bfa7

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v46.0.0...v47.0.0

• Fix expiring-todo-comments (#2077) 7a6861a

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v46.0.0...v46.0.1

Improvements

• Add elems to abbreviations (#2040) 2a9c840
• no-useless-spread: Check Array#{toReversed,toSorted,toSpliced,with} (#2030) 55469e5
• prefer-set-has: Support Array#{toReversed,toSorted,toSpliced,with} (#2032) fea5b42
• prefer-spread: Forbid use of Array#toSpliced() to copy array (#2034) 4ada50e
• prefer-negative-index: Check .toSpliced() and .with() (#2031) 7ed738a
• no-empty-file: Support .jsx and .tsx extensions (#2002) ba1a00e

Fixes

• expiring-todo-comments: Do not normalize package.json (#1871) (#2020) fcd8934

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v45.0.2...v46.0.0

• prefer-string-replace-all: Don't crash on invalid pattern (#2011) 3bbe027
• prevent-abbreviations: Skip fix for variables used in Vue template (#2012) 8cd1ded

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v45.0.1...v45.0.2

• no-useless-spread: Remove unsafe fix (#1996) 6756cbd

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v45.0.0...v45.0.1

New rules

• no-typeof-undefined (#1966) d7f7341
• no-negated-condition (#1963) e4aaa42
• prefer-set-size (#1952) 5f23c98

Improvements

• prefer-at: Support private fields (#1929) 60bb455
• no-useless-undefined: Ignore Array#includes() and Set#has() (#1951) 8dfd5a7
• no-useless-spread: Check cloning inline arrays (#1980) 5d90d73
• prefer-top-level-await: Ignore expressions in class (#1976) b90a3aa
• prefer-string-replace-all: Improve RegExp to string fix (#1971) b844dbc
• prefer-string-replace-all: Check pattern even if it's already using .replaceAll (#1981) e8c5156
• prefer-string-replace-all: Report all String#replace() when the pattern has g flag (#1965) 6316f05
• prefer-string-replace-all: Ignore regex with pipe (#1962) 76deaa3
• prefer-regexp-test: Use suggestions if not sure regexp without g flag (#1954) 505a203
• no-array-for-each: Skip fix for some edge cases (#1979) 48efc7a
• prefer-add-event-listener: Only fix ExpressionStatement, check operator (#1955) aca21f2
• prevent-abbreviations: Improve fix for retVal (#1953) 25cd810

Fixes

• prefer-top-level-await: Fix crash on for..of loop (#1950) 00a29c8

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v44.0.2...v45.0.0

• no-array-method-this-argument: Ignore lodash.findLast and lodash.findLastIndex (#1927) 86e8add

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v44.0.1...v44.0.2

• prefer-array-index-of: Add missing message (#1924) a981a13

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v44.0.0...v44.0.1

New rules

• no-unnecessary-await (#1904) 412fc6f
• switch-case-braces (#1902) 690ed8c

Improvements

• prefer-array-find: Add option to also prefer .findLast() (#1900) 02252c7
• template-indent: Preserve trailing spaces (#1872) e4071f5
• no-document-cookie: Check window.document.cookie (#1833) 0886544
• prefer-array-index-of: Prefer .lastIndexOf() over .findLastIndex() (#1896) 70e5bdd
• prefer-array-some: Check .findLast() (#1897) 3e6ae43
• prefer-native-coercion-functions: Check .findLast and .findLastIndex (#1893) f2c6acc
• no-array-method-this-argument: Check .findLast and .findLastIndex (#1890) 3bc28ad
• no-array-callback-reference: Check .findLast and .findLastIndex (#1889) 37a5cda
• prefer-negative-index: Remove ArrayBuffer#at (#1899) a10e3f6
• prefer-at: Improve fix (#1901) 1c457bb

Fixes

• no-await-expression-member: Fix crash on TypeScript parser (#1910) b002e75
• prevent-abbreviations: Skip fix when variable is JSX component (#1907) 9ed08ab
• better-regexp: Don't fix if .source or .toString() is used (#1903) 8ad592b

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v43.0.2...v44.0.0

• prefer-spread: Ignore Array#join().concat() and (a + b).concat() (#1859) ab71971

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v43.0.1...v43.0.2

• Remove prefer-event-target from the recommended preset 4d2faac
  • EventTarget requires Node.js 16 and we target Node.js 14. We'll enable it again in a year when we can target Node.js 16.

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v43.0.0...v43.0.1

New rules

• prefer-logical-operator-over-ternary (#1830) 5d7e622
• prefer-event-target (#1792) 166524a

Breaking

• Require Node.js 14

Improvements

• Add prefer-top-level-await rule to recommended preset (#1803) 6f5ecf5
• Deprecate import-index rule (#1787) 0034e69
• Update abbreviations to support Next.js functions (#1804) 4b96057
• text-encoding-identifier-case: Ignore JSX meta[charset="utf-8"] (#1817) c67a70f
• prefer-number-properties: Check any use of global functions (#1834) 51d7e06
• prefer-number-properties: Detect usage via global object (#1832) 80c4af2
• no-array-for-each: Check reassign in for..in and for..of (#1824) d3b2548
• no-useless-undefined: Ignore ref(undefined) in Vue project (#1828) e7306e5
• prefer-node-protocol: Always check require() (#1827) 2c914d4
• no-array-for-each: Improve parameter reassign detection (#1823) 56df468
• no-array-for-each: Add fix for arrow function body (#1785) 59218e3

Fixes

• no-array-for-each: Fix auto-fix causing SyntaxError (#1813) 47c8337

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v42.0.0...v43.0.0

The project has passed 100 lint rules 🎉

Thanks to everyone that has contributed so far.

And special thanks to our team member @fisker for doing most of the work on this project. We could not have gotten this far without him.

New rules

• no-useless-switch-case (#1779) a8fb966
• prefer-modern-math-apis (#1780) 6dfdeb0
• no-unreadable-iife (#1765) ce8a4b7
• prefer-native-coercion-functions (#1767) 51166f4

Improvements

• template-indent: Set the rule error instead of warn in recommended preset (#1781) 09923af
• prefer-json-parse-buffer: Remove from recommended preset (#1750) 93f49f2
• no-array-for-each: Add fixer for parenthesized call (#1784) 5f39c37
• no-array-for-each: Handle optional chaining (#1753) 1d32db4
• prefer-object-from-entries: Stop checking unknown cases (#1771) 309771d
• prefer-string-trim-start-end: Check optional chaining (#1768) 1920597
• no-useless-undefined: Ignore arguments in Function#bind() (#1762) c501243
• prefer-ternary: Skip fix if there are comments (#1763) 3013565
• text-encoding-identifier-case: Auto-fix encoding in fs.{readFile,readFileSync}() (#1755) 5e1c932
• Add dist and dst abbreviations (#1756) dffcea8

Fixes

• no-array-for-each: Handle ChainExpression correctly (#1772) e615a37

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v41.0.1...v42.0.0

• relative-url-style: Improve fix (#1748) f406795

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v41.0.0...v41.0.1

New rules

• text-encoding-identifier-case (#1718) 4370602

Breaking

• Require ESLint 8 (#1724) 608a90c

Fixes

• prefer-export-from: Fix TypeScript compatibility (#1728) f14aa95
• prefer-at: Remove auto-fix for arguments (#1705) bba518e

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v40.1.0...v41.0.0

• expiring-todo-comments: Add date option (#1683) 16bc33a
• consistent-function-scoping: Allow React.useHook (#1691) e910633
• no-useless-undefined: Allow React.createContext(undefined) (#1688) 40bc603

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v40.0.0...v40.1.0

New rules

• no-thenable (#1616) c318644
• no-useless-promise-resolve-reject (#1623) 054436e
• relative-url-style (#1672) 6ab705b
• prefer-json-parse-buffer (#1676) 84c9c70

Improvements

• prefer-object-has-own: Deprecate in favor of the built-in prefer-object-has-own rule (#1646) e59a856
• filename-case: Ignore $ in filenames (#1628) a43a174
• no-useless-promise-resolve-reject: Detect unnecessary Promise.resolve/reject in promise callback functions (#1666) f6215f3
• prefer-export-from: Support import assertions (#1618) 1d7a6b6
• prefer-top-level-await: Improve top-level expression detection (#1526) b054d65
• prefer-dom-node-dataset: Check .hasAttribute() and .getAttribute() (#1673) 152f153
• prefer-dom-node-dataset: Check .removeAttribute() (#1668) 22d8d03
• prefer-string-slice: Improve fix (#1675) 267115a
• prefer-math-trunc: Improve fix logic (#1670) 784c7a8
• prefer-string-slice: Improve argument type detection (#1664) 03b0946
• prefer-add-event-listener: Remove fix for onerror (#1650) 7bf63bb
• no-array-push-push: Ignore process.{stdin,stdout,stderr} (#1654) 10ad699
• no-new-array & no-new-buffer: Improve argument type detection (#1648) 9b04e43
• no-array-for-each: Ignore pIteration.forEach (#1649) 2b92385
• no-array-callback-reference: Ignore primitive wrappers in Array#map() (#1642) 0362c09
• prefer-export-from: Support "string literal specifier" (#1636) 0866b41
• template-indent: Check Jest inline snapshots by default (#1637) 64460e2

Fixes

• prefer-dom-node-dataset: Fix name conversion (#1674) 7fb6f7b
• prefer-export-from: Fix crash in TypeScript files (#1647) 1ff8e42

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v39.0.0...v40.0.0

New rules

• prefer-code-point (#1584) 31c83cd
• no-await-expression-member (#1586) 0485924

Improvements

• prefer-export-from: Add ignoreUsedVariables option (#1590) a8d52e4
• prevent-abbreviations: Show file basename instead of full path (#1593) 7c2867d
• Remove require-post-message-target-origin rule from recommended config (#1581) 014b4dc

Fixes

• no-empty-file: Fix false positive with triple-slash directives (#1605) 6354bb8
• require-number-to-fixed-digits-argument: Ignore .toFixed from new expression (#1601) 20d61e7
• prefer-export-from: Fix bug on fixing export namespace as default (#1583) b564ff1
• Add missing additionalProperties to schema (#1589) 579d05d

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v38.0.1...v39.0.0

• prefer-export-from: Ignore variables with type (#1580) ea49b21

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v38.0.0...v38.0.1

New rules

• no-empty-file (#1506) a2ba25e
• prefer-export-from (#1453) ff43745

Improvements

• Ignore Ramda methods in rules (#1557) 5f3bad5
• no-array-callback-reference: Only ignore Boolean in reasonable places (#1570) 46f8638
• require-array-join-separator: Check optional member (#1569) 15f9028

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v37.0.1...v38.0.0

• Fix compatibility with ESLint 7 (#1548) e6cee0f

https://github.com/sindresorhus/eslint-plugin-unicorn/compare/v37.0.0...v37.0.1