Bug Fixes

• eslint-plugin: [method-signature-style] fix crash with methods without a return type (#2836) (fed89f2), closes #2834
• eslint-plugin: [no-unused-vars] false-positive with class expressions (#2833) (aadb39f), closes #2831
• eslint-plugin: [no-unused-vars] fix race condition between naming-convention and no-unused-vars (#2848) (ccb6b94), closes #2844

4.9.0 (2020-11-30)

Bug Fixes

• eslint-plugin: [consistent-indexed-object-style] convert readonly index signature to readonly record (#2798) (29428a4)
• eslint-plugin: [consistent-type-imports] crash when using both default and namespace in one import (#2778) (c816b84)
• eslint-plugin: [explicit-module-boundary-types] ignore functions exported within typed object/array literals (#2805) (73a63ee)
• eslint-plugin: [no-use-before-define] allow class references if they're within a class decorator (#2827) (050023a), closes #2842
• eslint-plugin: [triple-slash-reference] fix crash with external module reference (#2788) (32b1b68)
• scope-manager: fix assertion assignments not being marked as write references (#2809) (fa68492), closes #2804
• typescript-estree: add default value for parserOptions.projectFolderIgnoreList and deduplicate resolved projects (#2819) (bf904ec), closes #2418 #2814

Features

• eslint-plugin: [naming-convention] add requireDouble, allowDouble, allowSingleOrDouble options for underscores (#2812) (dd0576a)
• eslint-plugin: [naming-convention] add requiresQuotes modifier (#2813) (6fc8409), closes #2761 #1483
• eslint-plugin: [naming-convention] add modifier unused (#2810) (6a06944)
• eslint-plugin: [naming-convention] add modifiers exported, global, and destructured (#2808) (fb254a1), closes #2239 #2512 #2318 #2802
• eslint-plugin: [naming-convention] allow destructured modifier for parameter selector (#2829) (525d2ff), closes #2828
• eslint-plugin: [naming-convention] split property and method selectors into more granular classXXX, objectLiteralXXX, typeXXX (#2807) (665b6d4), closes #1477 #2802
• eslint-plugin: [no-unused-vars] fork the base rule (#2768) (a8227a6), closes #2782 #2714 #2648
• eslint-plugin: [unbound-method] add support for methods with a this: void parameter (#2796) (878dd4a)

Bug Fixes

• eslint-plugin: [prefer-literal-enum-member] allow pure template literal strings (#2786) (f3bf6a1)
• typescript-estree: fix type-only regression for consumers not yet on TS 4.1 (#2789) (50a46c6)

Bug Fixes

• eslint-plugin: [no-unnecessary-condition] false positive when array predicate returns unknown (#2772) (111c244)
• typescript-estree: parseWithNodeMaps returning empty maps (#2773) (3e4a0ed)

4.8.0 (2020-11-16)

Bug Fixes

• eslint-plugin: [consistent-type-definitions] remove fixer when the interface is within a global module declaration (#2739) (2326238)
• eslint-plugin: [no-unsafe-member-access] ignore MemberExpression's whose parents are either TSClassImplements or TSInterfaceHeritage (#2753) (535db3b)

Features

• typescript-estree: add parseWithNodeMaps API (#2760) (9441d50), closes #1852

4.7.0 (2020-11-09)

Bug Fixes

• eslint-plugin: [array-type] parenthesize ReadonlyArray fix (#2747) (83385ac)
• eslint-plugin: [no-extra-non-null-assertion] false positive with non-nullable computed key (#2737) (e82698c)

Features

• eslint-plugin: add rule no-confusing-void-expression (#2605) (c8a4dad)
• support TS4.1 features (#2748) (2be354b), closes #2583

Bug Fixes

• eslint-plugin: [consistent-indexed-object-style] fix wrong autofix behaviour with generics (#2722) (73d9713)
• eslint-plugin: [no-shadow] ignore global module augmentation (#2729) (d8c67a5)

4.6.0 (2020-10-26)

Bug Fixes

• eslint-plugin: [method-signature-style] correct fixer for overloads in an object literal type (#2708) (0763913)
• eslint-plugin: [method-signature-style] don't auto-fix interfaces within namespaces (#2678) (e012049)
• eslint-plugin: [prefer-string-starts-ends-with] Check negative indices in the second position for slice (#2696) (66e9c6e)

Features

• eslint-plugin: [ban-types] support banning [] (#2704) (ef8b5a7), closes #2582
• eslint-plugin: add no-unnecessary-type-constraint rule (#2516) (880ac75)
• eslint-plugin: add extension rule space-infix-ops (#2593) (343d20d)

4.5.0 (2020-10-19)

Bug Fixes

• eslint-plugin: [array-type] fix issues with readonly option (#2667) (63d1d81)
• eslint-plugin: [lines-between-class-members] fix typo in schema (#2681) (a2a2514)
• eslint-plugin: [naming-convention] check bodyless function parameters (#2675) (c505863)
• eslint-plugin: [no-invalid-this] allow "this" in class property definitions (#2685) (dccb6ee)
• eslint-plugin: [no-misused-promises] False negative in LogicalExpression (#2682) (30a6951), closes #2544
• eslint-plugin: [no-unnecessary-type-assertion] correct fixer for vue files (#2680) (55111af)
• eslint-plugin: [return-await] do not auto-fix when type is any/unknown (#2671) (d690c8d)
• parser: minor fix regexp, map-filter to reduce (#2684) (f1329f6)

Features

• eslint-plugin: [dot-notation] add allowProtectedClassPropertyAccess option (#2622) (bbc9e35)
• eslint-plugin: [prefer-readonly-parameter-types] add ignoreInferredTypes option (#2668) (91010e8)
• eslint-plugin: [restrict-plus-operands] add intersection type determination logic (#2628) (da71362)
• typescript-estree: add flag EXPERIMENTAL_useSourceOfProjectReferenceRedirect (#2669) (90a5878)