ESLint v6.7.0 released

Highlights

Suggestions API

This release contains a new Suggestions API for rule authors and integrations. You can read more about this exciting new feature here.

ignorePatterns in config files

This release adds a new ignorePatterns property in config files (including shareable configs) in order to control the files ESLint ignores. See also documentation.

New Rules

• grouped-accessor-pairs
• no-constructor-return
• no-dupe-else-if
• no-setter-return
• prefer-exponentiation-operator

Deprecations

Please note that these deprecated features may be removed in a future major release of ESLint.

• Personal configuration files
• sourceCode#isSpaceBetweenTokens() has been deprecated in favor of sourceCode#isSpaceBetween().

Features

• 312a88f New: Add grouped-accessor-pairs rule (fixes #12277) (#12331) (Milos Djermanovic)
• 6eaad96 New: Add suggestions API (#12384) (Will Douglas)
• 1a2eb99 New: new rule no-constructor-return (fixes #12481) (#12529) (Pig Fang)
• ca3b2a6 New: ignorePatterns in config files (refs eslint/rfcs#22) (#12274) (Toru Nagashima)
• 17a8849 New: Add no-dupe-else-if rule (fixes #12469) (#12504) (Milos Djermanovic)
• 45aa6a3 New: Add no-setter-return rule (fixes #12285) (#12346) (Milos Djermanovic)
• 41b1e43 New: add option for camelcase (fixes #12527) (#12528) (Pig Fang)
• de65de6 New: Add prefer-exponentiation-operator rule (fixes #10482) (#12360) (Milos Djermanovic)
• e17fb90 New: allowAfterThisConstructor for no-underscore-dangle (fixes #11488) (#11489) (sripberger)

Enhancements

• 5c68f5f Update: Add ‘lexicalBindings’ to no-implicit-globals and change messages (#11996) (Milos Djermanovic)
• 97c745d Update: Report assignment expression location in no-cond-assign (#12465) (Milos Djermanovic)
• 0f01f3d Update: Check member expressions with this in operator-assignment (#12495) (Milos Djermanovic)
• 4f8a1ee Update: Add enforceForClassMembers option to no-useless-computed-key (#12110) (ark120202)
• 41a78fd Update: improve location for semi and comma-dangle (#12380) (Chiawen Chen)
• b8030fc Update: deprecate personal config (fixes #11914, refs eslint/rfcs#32) (#12426) (Toru Nagashima)
• 6503cb8 Update: Fix uglified object align in key-spacing (fixes #11414) (#12472) (YeonJuan)
• 0f7edef Update: add react plugin config for eslint init (#12446) (Ibrahim Rouis)
• 448ff1e Update: Report ‘\08’ and ‘\09’ in no-octal-escape (fixes #12080) (#12526) (Milos Djermanovic)
• 90305e0 Update: Depcrecate isSpaceBetweenTokens() (#12519) (Kai Cataldo)
• 990065e Update: curly multi-or-nest flagging semis on next line (fixes #12370) (#12378) (cherryblossom000)
• 7e41355 Update: improve report location for space-infix-ops (#12324) (Chiawen Chen)
• 94ff921 Update: Add capIsConstructor option to no-invalid-this (fixes #12271) (#12308) (Milos Djermanovic)
• c78f4a7 Update: Allow JSX exception in no-inline-comments (fixes #11270) (#12388) (Milos Djermanovic)

Bug Fixes

• b336fbe Fix: indent rule with JSX spread props (#12581) (Nathan Woltman)
• 62c7038 Fix: invalid token checking in computed-property-spacing (fixes #12198) (#12533) (YeonJuan)
• 62623f9 Fix: preserve whitespace in multiline-comment-style (fixes #12312) (#12316) (Kai Cataldo)
• fed20bb Fix: require-await crash on global await (#12571) (Brad Zacher)
• 40c8c32 Fix: improve report location for object-curly-spacing (#12563) (Milos Djermanovic)
• 1110045 Fix: ignore marker-only comments in spaced-comment (fixes #12036) (#12558) (Milos Djermanovic)
• 0afb518 Fix: invalid autofix in function-call-argument-newline (fixes #12454) (#12539) (YeonJuan)
• 9e29e18 Fix: sourceCode#isSpaceBetweenTokens() checks non-adjacent tokens (#12491) (Kai Cataldo)
• bb556d5 Fix: curly multi reports single lexical declarations (fixes #11908) (#12513) (Milos Djermanovic)
• ac60621 Fix: unexpected autofix in prefer-const (fixes #12514) (#12521) (YeonJuan)
• 084a8a6 Fix: no-cond-assign with always option reports switch case clauses (#12470) (Milos Djermanovic)

Documentation

• 60204a3 Docs: Added another Textmate 2 bundle. (#12580) (Ryan Fitzer)
• 0a480f8 Docs: Change “Code Conventions” link in pull-requests.md (#12401) (Denis Sikuler)
• 40791af Docs: clarify ignoreDestructuring option in the camelcase rule (#12553) (Milos Djermanovic)
• 0286b57 Docs: Clean up Getting Started Guide (#12544) (Nicholas C. Zakas)
• 5868550 Docs: add notice about function keyword in keyword-spacing (#12524) (Pig Fang)
• 4e142ea Docs: Update README team and sponsors (ESLint Jenkins)

Dependency Upgrades

• f49f1e0 Upgrade: upgrade optionator to avoid license issue (fixes #11536) (#12537) (Pig Fang)
• 98e1d50 Upgrade: globals to v12.1.0 (#12296) (Tony Brix)

Build Related

• 287ca56 Build: update CI for Node.js 13 (#12496) (Toru Nagashima)

Chores

• 07d398d Chore: Add GitHub organization to Sponsor button (#12562) (Brandon Mills)
• a477707 Chore: Format style guide links so they can be clicked (#12189) (Ivan V)
• 575a98d Chore: Add funding field to package.json (#12543) (Nicholas C. Zakas)