//@ts-checkimporteslintCommentsPluginfrom'@eslint-community/eslint-plugin-eslint-comments/configs';import{fixupConfigRules,fixupPluginRules}from'@eslint/compat';import{FlatCompat}from'@eslint/eslintrc';importeslintfrom'@eslint/js';importtseslintInternalPluginfrom'@typescript-eslint/eslint-plugin-internal';importvitestPluginfrom'@vitest/eslint-plugin';importeslintPluginPluginfrom'eslint-plugin-eslint-plugin';importimportPluginfrom'eslint-plugin-import';importjsdocPluginfrom'eslint-plugin-jsdoc';importjsxA11yPluginfrom'eslint-plugin-jsx-a11y';importperfectionistPluginfrom'eslint-plugin-perfectionist';importreactPluginfrom'eslint-plugin-react';importreactHooksPluginfrom'eslint-plugin-react-hooks';importregexpPluginfrom'eslint-plugin-regexp';importunicornPluginfrom'eslint-plugin-unicorn';importglobalsfrom'globals';importurlfrom'node:url';importtseslintfrom'typescript-eslint';const__dirname=url.fileURLToPath(newURL('.',import.meta.url));constcompat=newFlatCompat({baseDirectory:__dirname});constrestrictNamedDeclarations={message:'Prefer a named export (e.g. `export const ...`) over an object export (e.g. `export { ... }`).',selector:'ExportNamedDeclaration[declaration=null][source=null]',};exportdefaulttseslint.config(// register all of the plugins up-front{// note - intentionally uses computed syntax to make it easy to sort the keys/* eslint-disable no-useless-computed-key */plugins:{['@typescript-eslint']:tseslint.plugin,['@typescript-eslint/internal']:tseslintInternalPlugin,['eslint-plugin']:eslintPluginPlugin,['import']:importPlugin,['jsdoc']:jsdocPlugin,//@ts-expect-error -- https://github.com/jsx-eslint/eslint-plugin-jsx-a11y/pull/1038['jsx-a11y']:jsxA11yPlugin.flatConfigs.recommended.plugins['jsx-a11y'],['perfectionist']:perfectionistPlugin,['vitest']:vitestPlugin,// https://github.com/facebook/react/issues/28313['react']:reactPlugin,//@ts-expect-error -- Temporary types incompatibility pending flat config support// https://github.com/facebook/react/pull/30774['react-hooks']:fixupPluginRules(reactHooksPlugin),['regexp']:regexpPlugin,['unicorn']:unicornPlugin,},/* eslint-enable no-useless-computed-key */settings:{perfectionist:{order:'asc',partitionByComment:true,type:'natural',},},},{// config with just ignores is the replacement for `.eslintignore`ignores:['.nx/','.yarn/','**/node_modules/**','**/dist/**','**/fixtures/**','**/coverage/**','**/__snapshots__/**','**/.docusaurus/**','**/build/**','.nx/*','.yarn/*',// Files generated by TypeDoc'docs/packages/*/generated','packages/*/generated','docs/packages/*/generated',// Files copied as part of the build'packages/types/src/generated/**/*.ts',// Playground types downloaded from the web'packages/website/src/vendor/',// see the file header in eslint-base.test.js for more info'packages/rule-tester/tests/eslint-base/',],},// extends ...eslintCommentsPlugin.recommended,eslint.configs.recommended,tseslint.configs.strictTypeChecked,tseslint.configs.stylisticTypeChecked,jsdocPlugin.configs['flat/recommended-typescript-error'],// base config{languageOptions:{globals:{        ...globals.es2020,        ...globals.node,},parserOptions:{projectService:true,tsconfigRootDir:__dirname,warnOnUnsupportedTypeScriptVersion:false,},},linterOptions:{reportUnusedDisableDirectives:'error'},rules:{//// our plugin :D//'@typescript-eslint/ban-ts-comment':['error',{minimumDescriptionLength:5,'ts-check':false,'ts-expect-error':'allow-with-description','ts-ignore':true,'ts-nocheck':true,},],'@typescript-eslint/no-confusing-void-expression':['error',{ignoreVoidReturningFunctions:true},],// TODO: enable it once we drop support for TS<5.0// https://github.com/typescript-eslint/typescript-eslint/issues/10065'@typescript-eslint/consistent-type-exports':['off',// 'error',{fixMixedExportsWithInlineTypeSpecifier:true},],'@typescript-eslint/consistent-type-imports':['error',{disallowTypeAnnotations:true,prefer:'type-imports'},],'@typescript-eslint/explicit-module-boundary-types':'error','@typescript-eslint/no-explicit-any':'error','@typescript-eslint/no-require-imports':['error',{allow:['/package\\.json$'],},],'@typescript-eslint/no-unnecessary-condition':['error',{allowConstantLoopConditions:true,checkTypePredicates:true},],'@typescript-eslint/no-unnecessary-type-conversion':'error','@typescript-eslint/no-unnecessary-type-parameters':'error','@typescript-eslint/no-unused-expressions':'error','@typescript-eslint/no-unused-vars':['error',{argsIgnorePattern:'^_',caughtErrors:'all',varsIgnorePattern:'^_',},],'@typescript-eslint/no-var-requires':'off','@typescript-eslint/prefer-literal-enum-member':['error',{allowBitwiseExpressions:true,},],'@typescript-eslint/prefer-nullish-coalescing':['error',{ignoreConditionalTests:true,ignorePrimitives:true,},],'@typescript-eslint/prefer-string-starts-ends-with':['error',{allowSingleElementEquality:'always',},],'@typescript-eslint/restrict-template-expressions':['error',{allowAny:true,allowBoolean:true,allowNullish:true,allowNumber:true,allowRegExp:true,},],'@typescript-eslint/unbound-method':'off','no-constant-condition':'off',//// Internal repo rules//'@typescript-eslint/internal/debug-namespace':'error','@typescript-eslint/internal/eqeq-nullish':'error','@typescript-eslint/internal/no-poorly-typed-ts-props':'error','@typescript-eslint/internal/no-relative-paths-to-internal-packages':'error','@typescript-eslint/internal/no-typescript-default-import':'error','@typescript-eslint/internal/prefer-ast-types-enum':'error','no-restricted-syntax':['error',restrictNamedDeclarations],//// eslint-base//curly:['error','all'],eqeqeq:['error','always',{null:'never',},],'logical-assignment-operators':'error','no-console':'error','no-else-return':['error',{allowElseIf:false,},],'no-fallthrough':['error',{commentPattern:'.*intentional fallthrough.*'},],'no-implicit-coercion':['error',{boolean:false}],'no-lonely-if':'error','no-mixed-operators':'error','no-process-exit':'error','no-unreachable-loop':'error','no-useless-call':'error','no-useless-computed-key':'error','no-useless-concat':'error','no-var':'error','no-void':['error',{allowAsStatement:true}],'object-shorthand':'error','one-var':['error','never'],'operator-assignment':'error','prefer-arrow-callback':'error','prefer-const':'error','prefer-object-has-own':'error','prefer-object-spread':'error','prefer-rest-params':'error','prefer-template':'error',radix:'error',//// eslint-plugin-eslint-comment//'@eslint-community/eslint-comments/disable-enable-pair':['error',{allowWholeFile:true},],//// eslint-plugin-import//// enforces consistent type specifier style for named imports'import/consistent-type-specifier-style':'error',// disallow non-import statements appearing before import statements'import/first':'error',// Require a newline after the last import/require in a group'import/newline-after-import':'error',// Forbid import of modules using absolute paths'import/no-absolute-path':'error',// disallow AMD require/define'import/no-amd':'error',// forbid default exports - we want to standardize on named exports so that imported names are consistent'import/no-default-export':'error',// disallow imports from duplicate paths'import/no-duplicates':'error',// Forbid the use of extraneous packages'import/no-extraneous-dependencies':['error',{devDependencies:true,optionalDependencies:false,peerDependencies:true,},],// Forbid mutable exports'import/no-mutable-exports':'error',// Prevent importing the default as if it were named'import/no-named-default':'error',// Prohibit named exports'import/no-named-export':'off',// we want everything to be a named export// Forbid a module from importing itself'import/no-self-import':'error',// Require modules with a single export to use a default export'import/prefer-default-export':'off',// we want everything to be named// enforce a sort order across the codebase'perfectionist/sort-imports':'error',//// eslint-plugin-jsdoc//// We often use@remarks or other ad-hoc tag names'jsdoc/check-tag-names':'off',// https://github.com/gajus/eslint-plugin-jsdoc/issues/1169'jsdoc/check-param-names':'off','jsdoc/informative-docs':'error',// https://github.com/gajus/eslint-plugin-jsdoc/issues/1175'jsdoc/require-jsdoc':'off','jsdoc/require-param':'off','jsdoc/require-returns':'off','jsdoc/require-yields':'off','jsdoc/tag-lines':'off','regexp/no-dupe-disjunctions':'error','regexp/no-useless-character-class':'error','regexp/no-useless-flag':'error','regexp/no-useless-lazy':'error','regexp/no-useless-non-capturing-group':'error','regexp/prefer-quantifier':'error','regexp/prefer-question-quantifier':'error','regexp/prefer-w':'error',//// eslint-plugin-unicorn//'unicorn/no-length-as-slice-end':'error','unicorn/no-lonely-if':'error','unicorn/no-single-promise-in-promise-methods':'error','unicorn/no-typeof-undefined':'error','unicorn/no-useless-spread':'error','unicorn/prefer-array-some':'error','unicorn/prefer-export-from':'error','unicorn/prefer-node-protocol':'error','unicorn/prefer-regexp-test':'error','unicorn/prefer-spread':'error','unicorn/prefer-string-replace-all':'error','unicorn/prefer-structured-clone':'error',},},{extends:[tseslint.configs.disableTypeChecked],files:['**/*.js'],rules:{// turn off other type-aware rules'@typescript-eslint/internal/no-poorly-typed-ts-props':'off',// turn off rules that don't apply to JS code'@typescript-eslint/explicit-function-return-type':'off',},},//// test file linting//// test file specific configuration{files:['packages/*/tests/**/*.{ts,tsx,cts,mts}','packages/integration-tests/tools/**/*.ts',],    ...vitestPlugin.configs.env,rules:{'@typescript-eslint/no-empty-function':['error',{allow:['arrowFunctions']},],'@typescript-eslint/no-non-null-assertion':'off','@typescript-eslint/no-unsafe-assignment':'off','@typescript-eslint/no-unsafe-call':'off','@typescript-eslint/no-unsafe-member-access':'off','@typescript-eslint/no-unsafe-return':'off','vitest/no-alias-methods':'error','vitest/no-disabled-tests':'error','vitest/no-focused-tests':'error','vitest/no-identical-title':'error','vitest/no-test-prefixes':'error','vitest/no-test-return-statement':'error','vitest/prefer-describe-function-title':'error','vitest/prefer-each':'error','vitest/prefer-spy-on':'error','vitest/prefer-to-be':'error','vitest/prefer-to-contain':'error','vitest/prefer-to-have-length':'error','vitest/valid-expect':'error',},settings:{vitest:{typecheck:true}},},{files:['packages/*/tests/**/vitest-custom-matchers.d.ts'],name:'vitest-custom-matchers-declaration-files',rules:{'@typescript-eslint/no-empty-object-type':['error',{allowInterfaces:'with-single-extends'},],'@typescript-eslint/no-explicit-any':'off',},},// plugin rule tests{files:['packages/eslint-plugin-internal/tests/rules/**/*.test.{ts,tsx,cts,mts}','packages/eslint-plugin-tslint/tests/rules/**/*.test.{ts,tsx,cts,mts}','packages/eslint-plugin/tests/rules/**/*.test.{ts,tsx,cts,mts}','packages/eslint-plugin/tests/eslint-rules/**/*.test.{ts,tsx,cts,mts}',],rules:{'@typescript-eslint/internal/plugin-test-formatting':'error',},},//// tools and tests//{files:['**/tools/**/*.{ts,tsx,cts,mts}','**/tests/**/*.{ts,tsx,cts,mts}','packages/integration-tests/**/*.{ts,tsx,cts,mts}',],rules:{// allow console logs in tools and tests'no-console':'off',},},{files:['eslint.config.{js,cjs,mjs}','knip.ts','packages/*/src/index.ts','vitest.config.mts','packages/*/vitest.config.mts',],rules:{// requirement'import/no-default-export':'off',},},//// plugin source file linting//{extends:[eslintPluginPlugin.configs['flat/recommended']],files:['packages/eslint-plugin-internal/**/*.{ts,tsx,cts,mts}','packages/eslint-plugin-tslint/**/*.{ts,tsx,cts,mts}','packages/eslint-plugin/**/*.{ts,tsx,cts,mts}',],rules:{'@typescript-eslint/internal/no-typescript-estree-import':'error',},},{files:['packages/eslint-plugin-internal/src/rules/**/*.{ts,tsx,cts,mts}','packages/eslint-plugin-tslint/src/rules/**/*.{ts,tsx,cts,mts}','packages/eslint-plugin/src/configs/**/*.{ts,tsx,cts,mts}','packages/typescript-eslint/src/configs/**/*.{ts,tsx,cts,mts}','packages/core/src/configs/**/*.{ts,tsx,cts,mts}','packages/eslint-plugin/src/rules/**/*.{ts,tsx,cts,mts}',],rules:{'eslint-plugin/no-property-in-node':['error',{additionalNodeTypeFiles:['packages[\\/]types[\\/]src[\\/]generated[\\/]ast-spec.ts',],},],'eslint-plugin/require-meta-docs-description':['error',{pattern:'^(Enforce|Require|Disallow) .+[^. ]$'},],// specifically for rules - default exports makes the tooling easier'import/no-default-export':'off','no-restricted-syntax':['error',{message:"Retrieve options from create's second parameter so that defaultOptions are applied.",selector:'ExportDefaultDeclaration Property[key.name="create"] MemberExpression[object.name="context"][property.name="options"]',},restrictNamedDeclarations,],},},{files:['packages/eslint-plugin/src/rules/index.ts'],rules:{// enforce alphabetical ordering'import/order':['error',{alphabetize:{order:'asc'}}],'sort-keys':'error',},},//// generated files//{files:['packages/scope-manager/src/lib/*.{ts,tsx,cts,mts}','packages/eslint-plugin/src/configs/*.{ts,tsx,cts,mts}','packages/core/src/configs/*.{ts,tsx,cts,mts}',],rules:{'@typescript-eslint/internal/no-poorly-typed-ts-props':'off','@typescript-eslint/internal/no-typescript-default-import':'off','@typescript-eslint/internal/prefer-ast-types-enum':'off',},},//// ast spec linting//{files:['packages/ast-spec/src/**/*.{ts,tsx,cts,mts}'],rules:{// disallow ALL unused vars'@typescript-eslint/no-unused-vars':['error',{caughtErrors:'all'}],'@typescript-eslint/sort-type-constituents':'error',},},{files:['packages/ast-spec/**/*.{ts,tsx,cts,mts}'],rules:{'no-restricted-imports':['error',{message:'To prevent nx build errors, all `typescript-estree` imports should be done via `packages/ast-spec/tests/util/parsers/typescript-estree-import.ts`.',name:'@typescript-eslint/typescript-estree',},],},},//// website linting//{extends:[jsxA11yPlugin.flatConfigs.recommended,// https://github.com/facebook/react/pull/30774//@ts-expect-error -- Temporary types incompatibility pending flat config supportreactPlugin.configs.flat.recommended,// https://github.com/facebook/react/pull/30774//@ts-expect-error -- Temporary types incompatibility pending flat config supportfixupConfigRules(compat.config(reactHooksPlugin.configs.recommended)),],files:['packages/website/**/*.{ts,tsx,mts,cts,js,jsx}'],rules:{'@typescript-eslint/internal/prefer-ast-types-enum':'off','import/no-default-export':'off','react-hooks/exhaustive-deps':'warn',// TODO: enable it later'react/jsx-no-target-blank':'off','react/no-unescaped-entities':'off','react/prop-types':'off',},settings:{react:{version:'detect',},},},{files:['packages/website/src/**/*.{ts,tsx,cts,mts}'],rules:{'import/no-default-export':'off',// allow console logs in the website to help with debugging things in production'no-console':'off',},},{files:['packages/website-eslint/src/mock/**/*.js','**/*.d.{ts,tsx,cts,mts}',],rules:{// mocks and declaration files have to mirror their original package'import/no-default-export':'off',},},{files:['**/*'],ignores:['packages/eslint-plugin/src/configs/eslintrc/*','packages/eslint-plugin/src/configs/flat/*','packages/scope-manager/src/configs/*',],rules:{'@typescript-eslint/sort-type-constituents':'off','perfectionist/sort-classes':'error','perfectionist/sort-enums':'off','perfectionist/sort-objects':'error','perfectionist/sort-union-types':['error',{groups:['keyword','unknown','nullish'],type:'natural',},],},},{files:['packages/ast-spec/src/**/*.ts'],rules:{'perfectionist/sort-interfaces':['error',{customGroups:{first:['^type$'],},groups:['first','unknown'],},],},},{files:['packages/eslint-plugin/src/rules/*.ts','packages/eslint-plugin-internal/src/rules/*.ts',],rules:{'perfectionist/sort-objects':['error',{customGroups:{first:['^loc$','^name$','^node$','^type$'],fourth:['^fix$'],second:['^meta$','^messageId$','^start$'],third:['^defaultOptions$','^data$','^end$'],},groups:['first','second','third','fourth','unknown'],},],},},{files:['packages/eslint-plugin/tests/rules/*.test.ts'],rules:{'perfectionist/sort-objects':['error',{customGroups:{top:['^valid$']},groups:['top','unknown'],},],},},{files:['packages/typescript-estree/src/**/*.ts'],rules:{'perfectionist/sort-objects':['error',{customGroups:{first:['^type$'],second:['loc','range'],},groups:['first','second'],},],},},);