Update dependency eslint-config-xo to v2

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
eslint-config-xo	0.43.1 → 2.0.0

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Release Notes

xojs/eslint-config-xo (eslint-config-xo)

v2.0.0

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Breaking

• Update to eslint-plugin-unicorn 74 866d9e2

New rules

• n/prefer-process-get-builtin-module d59c0ea

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v1.0.0

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Improvements

• Update to eslint-plugin-unicorn 73
• Update to eslint-package-json 0.3

New rules

• unicorn/consistent-arrow-return-style
• unicorn/iteration-fallback-style
• unicorn/no-barrel-files
• unicorn/no-unsafe-sqlite-interpolation
• unicorn/single-line-block-comment-style
• package-json/require-private

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v0.58.1

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• Disable import-x/extensions in base config when TypeScript is active 18d7467

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v0.58.0

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New features

• Added a gitignore option to ignore paths from your .gitignore 5c9ccdf (#​123)
• Added eslint-package-json for linting package.json files 7b15a6d

Improvements

• Enforce import extensions in TypeScript via n/file-extension-in-import, which auto-fixes and uniquely handles TypeScript's .js-for-.ts import convention 95c243a (#​119)
• Enable the checkRelationalComparisons option for no-constant-binary-expression cf8ddfd
• Update to eslint-plugin-unicorn 72

New rules

• unicorn/no-missing-local-resource
• unicorn/no-multiple-promise-resolver-calls
• unicorn/no-shorthand-property-overrides
• unicorn/no-transition-all
• unicorn/no-unnecessary-string-trim
• unicorn/no-useless-re-export
• unicorn/prefer-explicit-viewport-units
• unicorn/prefer-then-catch
• unicorn/require-frontmatter-fields

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v0.57.0

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• Added eslint-node-test for linting node:test files. f59405c
• Generalized the capitalized-comments ignore directives so any tool's *-ignore / *:ignore comment (like svelte-ignore) is recognized without adding each tool individually. 1796590 #​118

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v0.56.0

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Improvements

• Disable @typescript-eslint/no-unnecessary-boolean-literal-compare in favor of the type-aware unicorn/no-unnecessary-boolean-comparison, which catches the same cases without requiring strictNullChecks f93a16e (#​117)
• Allow the @isolated JSDoc tag used by unicorn/isolated-functions 6d78307 (#​116)
• Update to eslint-plugin-unicorn 70

New rules

• unicorn/no-async-promise-finally
• unicorn/no-unnecessary-fetch-options
• unicorn/no-unsafe-promise-all-settled-values
• unicorn/prefer-abort-signal-any
• unicorn/prefer-array-flat-map
• unicorn/prefer-array-from-range
• unicorn/prefer-block-statement-over-iife
• unicorn/prefer-group-by
• unicorn/prefer-iterator-helpers
• unicorn/prefer-simplified-conditions

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v0.55.0

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Improvements

• Allow a few common browser globals (location, history, confirm, screen) to be used without a globalThis. prefix in browser mode 0b4ba8c (#​115)
• Prefer the autofixable unicorn versions of no-negated-condition and logical-assignment-operators c9bf95b (#​114)
• Use the type-aware @typescript-eslint/no-unnecessary-template-expression rule in TypeScript c7c6712 (#​113)
• Update to eslint-plugin-unicorn 69

New rules

• unicorn/consistent-tuple-labels
• unicorn/no-invalid-well-known-symbol-methods
• unicorn/no-late-event-control
• unicorn/prefer-abort-signal-timeout
• unicorn/prefer-aggregate-error
• unicorn/prefer-dom-node-replace-children
• unicorn/prefer-error-is-error
• unicorn/prefer-observer-apis
• unicorn/prefer-promise-try
• unicorn/prefer-set-methods
• unicorn/prefer-toggle-attribute
• unicorn/prefer-url-search-parameters

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v0.54.1

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• Rely on eslint-config-prettier to disable quotes in compat mode b8feb40
• Disable @html-eslint/require-closing-tags under prettier (#​111) 12fea8a

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v0.54.0

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Improvements

• Disable conflicting @html-eslint style rules when prettier is enabled ea75495
• Disable regexp/prefer-regexp-exec in favor of TS version for TS code 47ad0d9
• Use unicorn/consistent-boolean-name instead of the naming-convention boolean prefix f933fbf
• Update to eslint-plugin-unicorn 68

New rules

• unicorn/consistent-conditional-object-spread
• unicorn/default-export-style
• unicorn/no-accidental-bitwise-operator
• unicorn/no-array-concat-in-loop
• unicorn/no-array-front-mutation
• unicorn/no-array-sort-for-min-max
• unicorn/no-boolean-sort-comparator
• unicorn/no-chained-comparison
• unicorn/no-collection-bracket-access
• unicorn/no-constant-zero-expression
• unicorn/no-double-comparison
• unicorn/no-duplicate-if-branches
• unicorn/no-duplicate-logical-operands
• unicorn/no-impossible-length-comparison
• unicorn/no-invalid-character-comparison
• unicorn/no-loop-iterable-mutation
• unicorn/no-misrefactored-assignment
• unicorn/no-nonstandard-builtin-properties
• unicorn/no-selector-as-dom-name
• unicorn/no-unnecessary-boolean-comparison
• unicorn/no-useless-compound-assignment
• unicorn/no-useless-delete-check
• unicorn/no-useless-logical-operand
• unicorn/no-xor-as-exponentiation
• unicorn/prefer-array-from-async
• unicorn/prefer-array-iterable-methods
• unicorn/prefer-boolean-return
• unicorn/prefer-continue
• unicorn/prefer-flat-math-min-max
• unicorn/prefer-hoisting-branch-code
• unicorn/prefer-math-constants
• unicorn/prefer-promise-with-resolvers
• unicorn/prefer-regexp-escape
• unicorn/prefer-single-replace
• unicorn/prefer-unary-minus
• unicorn/prefer-url-can-parse
• unicorn/prefer-while-loop-condition

---

v0.53.2

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• Disable unicorn/require-array-sort-compare in favor of TS version for TS code (#​105) c67e766

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v0.53.1

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• Fix conflicting rules 6165417

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v0.53.0

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Breaking

• Require TypeScript 6

Prettier integration

A new prettier option lets you combine the rules with Prettier:

export default defineConfig([
	...eslintConfigXo({prettier: true}),
]);

• true — Runs Prettier as an ESLint rule using XO's Prettier style, and disables the stylistic rules that would conflict with it. Requires prettier to be installed.
• 'compat' — Only disables the stylistic rules that conflict with Prettier, for when you run Prettier separately (for example, from your editor).

Anything XO does not configure (like printWidth or Prettier plugins) still respects your .prettierrc, but XO's own style settings take precedence. prettier is an optional peer dependency.

CSS linting

.css files are now linted out of the box via @eslint/css: duplicate imports, empty blocks, invalid at-rules, unmatchable selectors, invalid named grid areas, and more.

New rules

• unicorn/better-dom-traversing
• unicorn/class-reference-in-static-methods
• unicorn/consistent-class-member-order
• unicorn/consistent-compound-words
• unicorn/consistent-export-decorator-position
• unicorn/consistent-json-file-read
• unicorn/consistent-optional-chaining
• unicorn/explicit-timer-delay
• unicorn/logical-assignment-operators
• unicorn/max-nested-calls
• unicorn/no-array-fill-with-reference-type
• unicorn/no-array-from-fill
• unicorn/no-array-splice
• unicorn/no-blob-to-file
• unicorn/no-break-in-nested-loop
• unicorn/no-canvas-to-image
• unicorn/no-computed-property-existence-check
• unicorn/no-confusing-array-splice
• unicorn/no-confusing-array-with
• unicorn/no-declarations-before-early-exit
• unicorn/no-duplicate-loops
• unicorn/no-duplicate-set-values
• unicorn/no-error-property-assignment
• unicorn/no-exports-in-scripts
• unicorn/no-global-object-property-assignment
• unicorn/no-incorrect-query-selector
• unicorn/no-incorrect-template-string-interpolation
• unicorn/no-late-current-target-access
• unicorn/no-mismatched-map-key
• unicorn/no-negated-array-predicate
• unicorn/no-negated-comparison
• unicorn/no-non-function-verb-prefix
• unicorn/no-object-methods-with-collections
• unicorn/no-optional-chaining-on-undeclared-variable
• unicorn/no-redundant-comparison
• unicorn/no-return-array-push
• unicorn/no-subtraction-comparison
• unicorn/no-top-level-side-effects
• unicorn/no-uncalled-method
• unicorn/no-undeclared-class-members
• unicorn/no-unnecessary-global-this
• unicorn/no-unnecessary-nested-ternary
• unicorn/no-unnecessary-splice
• unicorn/no-unreadable-object-destructuring
• unicorn/no-unsafe-buffer-conversion
• unicorn/no-unsafe-property-key
• unicorn/no-unsafe-string-replacement
• unicorn/no-unused-array-method-return
• unicorn/no-useless-boolean-cast
• unicorn/no-useless-coercion
• unicorn/no-useless-concat
• unicorn/no-useless-continue
• unicorn/no-useless-else
• unicorn/no-useless-override
• unicorn/no-useless-recursion
• unicorn/no-useless-template-literals
• unicorn/operator-assignment
• unicorn/prefer-add-event-listener-options
• unicorn/prefer-array-from-map
• unicorn/prefer-array-last-methods
• unicorn/prefer-array-slice
• unicorn/prefer-direct-iteration
• unicorn/prefer-early-return
• unicorn/prefer-else-if
• unicorn/prefer-get-or-insert-computed
• unicorn/prefer-global-number-constants
• unicorn/prefer-has-check
• unicorn/prefer-https
• unicorn/prefer-identifier-import-export-specifiers
• unicorn/prefer-includes-over-repeated-comparisons
• unicorn/prefer-iterable-in-constructor
• unicorn/prefer-iterator-to-array
• unicorn/prefer-iterator-to-array-at-end
• unicorn/prefer-location-assign
• unicorn/prefer-map-from-entries
• unicorn/prefer-math-abs
• unicorn/prefer-minimal-ternary
• unicorn/prefer-number-coercion
• unicorn/prefer-number-is-safe-integer
• unicorn/prefer-object-define-properties
• unicorn/prefer-object-destructuring-defaults
• unicorn/prefer-object-iterable-methods
• unicorn/prefer-path2d
• unicorn/prefer-private-class-fields
• unicorn/prefer-queue-microtask
• unicorn/prefer-scoped-selector
• unicorn/prefer-simple-sort-comparator
• unicorn/prefer-single-array-predicate
• unicorn/prefer-single-object-destructuring
• unicorn/prefer-smaller-scope
• unicorn/prefer-split-limit
• unicorn/prefer-string-match-all
• unicorn/prefer-string-pad-start-end
• unicorn/prefer-string-repeat
• unicorn/prefer-type-literal-last
• unicorn/prefer-uint8array-base64
• unicorn/prefer-unicode-code-point-escapes
• unicorn/prefer-url-href
• unicorn/require-array-sort-compare
• unicorn/require-css-escape
• unicorn/require-passive-events
• unicorn/require-proxy-trap-boolean-return
• @typescript-eslint/no-unnecessary-type-conversion

---

v0.52.0

Compare Source

Breaking

• Require Node.js 22 6b715f3

New rules

• @typescript-eslint/strict-boolean-expressions 0841559
• xo/import-specifier-newline 98f0aa9

Improvements

• Add eslint-plugin-jsdoc support ca9780b
• Add eslint-plugin-regexp support 2eba483
• Add Markdown support 2bb9c6c
• Add HTML support 5da39d4
• Make TypeScript optional for JavaScript-only projects 717184b
• Use eslint-import-resolver-typescript for import resolution 600b604
• naming-convention rule: Ignore all exotic/quoted keys bd171ba
• naming-convention rule: Allow UPPER_CASE for static readonly class properties ce92257
• naming-convention rule: Allow UPPER_CASE for module-level const variables 0b4bcce
• Add ?? to no-mixed-operators groups 9117295
• Require description for file-wide eslint-disable comments 55b6ae1
• Discourage npm packages with native alternatives 92549e8
• Remove deprecated rules 7e2747d
• Disable redundant ESLint rules for TypeScript files f474625
• capitalized-comments: Don't capitalize commented-out code aedc832

---

v0.51.0

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Breaking

• The package now exports a function instead of an array. Update your eslint.config.js:

-export default eslintConfigXo;
+export default [...eslintConfigXo()];

• Removed the ./space and ./browser sub-path exports. Use the space and browser options instead:

export default [...eslintConfigXo({space: true, browser: true})];

• Requires ESLint 10 and Node.js 20.19+.

Improvements

• Merged eslint-config-xo-typescript: TypeScript rules are now included. No need to install a separate package.
• Merged plugin configs from XO: Includes eslint-plugin-unicorn, eslint-plugin-import-x, eslint-plugin-n, eslint-plugin-ava, @eslint-community/eslint-plugin-eslint-comments, and a built-in no-use-extend-native rule. Previously these were only available through the XO CLI.
• Added semicolon option
• Added TypeScript declaration file
• Add no-shadow rule 4cec7d2

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v0.50.0

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Breaking

• Require ESLint 10 874aefa

New rules

• preserve-caught-error 1e2cd5c
• require-unicode-regexp e9736c2
• css/no-unmatchable-selectors 7adc524
• css/no-duplicate-keyframe-selectors 8b3d031
• css/font-family-fallbacks adcb144

Improvements

• no-sequences: Add allowInParentheses: false 391d4c8

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v0.49.0

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Breaking

• Require Node.js 20 dd5cf67

New rules

• Add no-unused-private-class-members rule 568f75f
• Add css/no-invalid-at-rule-placement rule 8d122ab
• Add css/no-invalid-named-grid-areas rule 9f5d7c2

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v0.48.0

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• Add no-unassigned-vars rule 4082baa
• capitalized-comments: Support codespell (#​91) 3b196ad

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v0.47.0

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• capitalized-comments: Support biome ignore comments (#​90) 518f523
• Add @stylistic/curly-newline rule e1fe11c
• Add JSON plugin 6a547b5
• capitalized-comments: Add v8 to the ignorePattern option (#​88) 4bb2399

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v0.46.0

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New rules

• @stylistic/indent-binary-ops d91defd
• @stylistic/function-paren-newline fb5e204
• @stylistic/block-spacing cb6b443
• @stylistic/multiline-ternary 3dea281

Breaking

• Require Node.js 18.18
• Migrate to flat config and require ESLint 9 (#​86) ec210f2
  • Migrate config: https://eslint.org/docs/latest/use/configure/migration-guide

Improvements

• Migrate deprecated rules to @stylistic 0f81063
• Enable permissive max-len and max-lines as warning (#​84) e669d26
• Revert "Add option to no-extra-boolean-cast" (#​87) f010b63
• Add option to no-extra-boolean-cast a6dc171

v0.45.0

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• Allow class fields with no blank lines between (#​85) 6f2ff13

v0.44.0

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Breaking

• Require Node.js 18 f2060de

New rules

• logical-assignment-operators 27049c1
• prefer-object-has-own 288a3ca
• object-curly-newline (#​83) 3a5448b

Improvements

• Ban atob and btoa dfa969c
• Replace deprecated no-new-object rule 7f8f92e
• no-unused-vars: Allow ignoring variables by prefixing with underscore b31ab8a

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