v0.40.2

• Fix handling of parserOptions for TypeScript (#557) 7ace6e5

v0.40.1...v0.40.2

v0.40.1

• Fix resolving base config (#545) d2c5750
• Fix handling of parserOptions option (#544) e9c96a1

v0.40.0...v0.40.1

v0.40.0

Breaking

• XO now enforces that your project is ESM
  If you cannot yet move to ESM, I recommend staying on XO 0.39 for now.
• Require Node.js 12.20 cc06c3c

New rules

• unicorn/prefer-node-protocol
• unicorn/prefer-module
• unicorn/no-document-cookie
• unicorn/numeric-separators-style
• unicorn/prefer-array-flat
• unicorn/prefer-array-flat-map

Meta

• Move from deprecated ESLint.CLIEngine to ESLint (#534) 0480d80
  This should hopefully resolve a bunch of issues.

v0.39.1...v0.40.0

v0.39.1

• Fix a problem with using XO with Prettier fa34c74

v0.39.0...v0.39.1

v0.39.0

New rules

• unicorn/no-static-only-class
• unicorn/prefer-array-flat
• unicorn/prefer-switch
• @typescript-eslint/no-unsafe-argument

Breaking

• Remove the esnext option e80c094
• unicorn/prevent-abbreviations rule: Rename options sindresorhus/eslint-plugin-unicorn@cf42cc5
• unicorn/no-keyword-prefix rule: Rename blacklist option to disallowedPrefixes sindresorhus/eslint-plugin-unicorn@91e60d0

Improvements

• Add --print-config flag (#529) 7b8dc70
• Disable the import/default rule for TypeScript files e3c511b
• Disable the import/export rule for TypeScript files b385bee

v0.38.2...v0.39.0

v0.38.2

• Disable the node/file-extension-in-import rule for TypeScript projects (#523) 1eb8230
  It doesn't work properly with TypeScript projects.

v0.38.1...v0.38.2

v0.38.1

• Fix a problem in v0.38.0 8b2fa78

v0.38.0...v0.38.1

v0.38.0

New rules

• unicorn/no-new-array
• unicorn/prefer-array-index-of
• unicorn/prefer-regexp-test
• unicorn/no-array-for-each
• unicorn/no-array-push-push
• unicorn/no-this-assignment
• @typescript-eslint/object-curly-spacing

Improvements

• Add auto-fix for fixing file extensions in imports f4f6b39
• Add .mjs and .cjs as default extensions (#521) 2e05c81
• Allow file extension for import/no-unassigned-import allow list 8156d42

Fixes

• Fix ignored package.json config when using the CLI (#520) 32bd3b8

v0.37.1...v0.38.0

v0.37.1

• Fix TypeScript not supporting extensions f56d90d

v0.37.0...v0.37.1

v0.37.0

New rules

• no-unsafe-optional-chaining
• no-useless-backreference
• default-case-last
• no-nonoctal-decimal-escape
• unicorn/prefer-array-some
• unicorn/prefer-default-parameters
• unicorn/no-lonely-if
• unicorn/empty-brace-spaces
• unicorn/prefer-date-now
• @typescript-eslint/non-nullable-type-assertion-style
• @typescript-eslint/no-confusing-void-expression

Renamed rules

Only affects you if you had any of these rules disabled.

• unicorn/no-fn-reference-in-iterator → unicorn/no-array-callback-reference
• unicorn/no-array-instanceof → unicorn/no-instanceof-array
• unicorn/no-reduce → unicorn/no-array-reduce
• unicorn/prefer-dataset → unicorn/prefer-dom-node-dataset
• unicorn/prefer-flat-map → unicorn/prefer-array-flat-map
• unicorn/prefer-replace-all → unicorn/prefer-string-replace-all
• unicorn/prefer-starts-ends-with → unicorn/prefer-string-starts-ends-with
• unicorn/prefer-text-content → unicorn/prefer-dom-node-text-content
• unicorn/prefer-trim-start-end → unicorn/prefer-string-trim-start-end
• unicorn/prefer-event-key → unicorn/prefer-keyboard-event-key
• unicorn/prefer-node-append → unicorn/prefer-dom-node-append
• unicorn/prefer-node-remove → unicorn/prefer-dom-node-remove

Improvements

• Improve ESM compatibility 211f295
• Enforce err → error for variable names d801095
• Enforce some inclusive wording 0ec4b8c