Created
June 8, 2024 14:15
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Deduplicate ESLint configs migrated with Biome
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| // Needs Bun | |
| import biome from './biome.json'; | |
| // Extracted from https://biomejs.dev/linter/rules/#recommended-rules | |
| const recommended = (await Bun.file('./recommended.txt').text()) | |
| .split('\n') | |
| .map((x: string) => x.trim()) | |
| .filter(Boolean); | |
| biome.linter.rules.recommended = true; | |
| delete biome.overrides; | |
| const groups = Object.keys(biome.linter.rules).filter( | |
| (x) => typeof biome.linter.rules[x] === 'object', | |
| ); | |
| for (const rule of recommended) { | |
| for (const group of groups) { | |
| if ( | |
| biome.linter.rules?.[group][rule] && | |
| ['error', 'warn', 'info'].includes(biome.linter.rules[group][rule]) | |
| ) { | |
| // Delete rule covered by recommended rules | |
| delete biome.linter.rules[group][rule]; | |
| } | |
| // Deletes any rules that are Biome-recommended, but turned off by original eslint config | |
| if (biome.linter.rules?.[group][rule] === 'off') { | |
| delete biome.linter.rules[group][rule]; | |
| } | |
| } | |
| } | |
| Bun.write('biome.deduped.json', JSON.stringify(biome, null, 2)); |
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| noAccessKey | |
| noAriaHiddenOnFocusable | |
| noAriaUnsupportedElements | |
| noAutofocus | |
| noBlankTarget | |
| noDistractingElements | |
| noHeaderScope | |
| noInteractiveElementToNoninteractiveRole | |
| noNoninteractiveElementToInteractiveRole | |
| noNoninteractiveTabindex | |
| noPositiveTabindex | |
| noRedundantAlt | |
| noRedundantRoles | |
| noSvgWithoutTitle | |
| useAltText | |
| useAnchorContent | |
| useAriaActivedescendantWithTabindex | |
| useAriaPropsForRole | |
| useButtonType | |
| useHeadingContent | |
| useHtmlLang | |
| useIframeTitle | |
| useKeyWithClickEvents | |
| useKeyWithMouseEvents | |
| useMediaCaption | |
| useValidAnchor | |
| useValidAriaProps | |
| useValidAriaRole | |
| useValidAriaValues | |
| useValidLang | |
| noBannedTypes | |
| noEmptyTypeParameters | |
| noExcessiveNestedTestSuites | |
| noExtraBooleanCast | |
| noForEach | |
| noMultipleSpacesInRegularExpressionLiterals | |
| noStaticOnlyClass | |
| noThisInStatic | |
| noUselessCatch | |
| noUselessConstructor | |
| noUselessEmptyExport | |
| noUselessFragments | |
| noUselessLabel | |
| noUselessLoneBlockStatements | |
| noUselessRename | |
| noUselessSwitchCase | |
| noUselessTernary | |
| noUselessThisAlias | |
| noUselessTypeConstraint | |
| noWith | |
| useArrowFunction | |
| useFlatMap | |
| useLiteralKeys | |
| useOptionalChain | |
| useRegexLiterals | |
| useSimpleNumberKeys | |
| noChildrenProp | |
| noConstAssign | |
| noConstantCondition | |
| noConstructorReturn | |
| noEmptyCharacterClassInRegex | |
| noEmptyPattern | |
| noFlatMapIdentity | |
| noGlobalObjectCalls | |
| noInnerDeclarations | |
| noInvalidConstructorSuper | |
| noInvalidNewBuiltin | |
| noInvalidUseBeforeDeclaration | |
| noNonoctalDecimalEscape | |
| noPrecisionLoss | |
| noRenderReturnValue | |
| noSelfAssign | |
| noSetterReturn | |
| noStringCaseMismatch | |
| noSwitchDeclarations | |
| noUnnecessaryContinue | |
| noUnreachable | |
| noUnreachableSuper | |
| noUnsafeFinally | |
| noUnsafeOptionalChaining | |
| noUnusedLabels | |
| noVoidElementsWithChildren | |
| noVoidTypeReturn | |
| useExhaustiveDependencies | |
| useIsNan | |
| useJsxKeyInIterable | |
| useValidForDirection | |
| useYield | |
| noAccumulatingSpread | |
| noDelete | |
| noDangerouslySetInnerHtml | |
| noDangerouslySetInnerHtmlWithChildren | |
| noGlobalEval | |
| noArguments | |
| noCommaOperator | |
| noInferrableTypes | |
| noNonNullAssertion | |
| noParameterAssign | |
| noUnusedTemplateLiteral | |
| noUselessElse | |
| noVar | |
| useAsConstAssertion | |
| useConst | |
| useDefaultParameterLast | |
| useEnumInitializers | |
| useExponentiationOperator | |
| useExportType | |
| useImportType | |
| useLiteralEnumMembers | |
| useNodejsImportProtocol | |
| useNumberNamespace | |
| useNumericLiterals | |
| useSelfClosingElements | |
| useShorthandFunctionType | |
| useSingleVarDeclarator | |
| useTemplate | |
| useWhile | |
| noApproximativeNumericConstant | |
| noArrayIndexKey | |
| noAssignInExpressions | |
| noAsyncPromiseExecutor | |
| noCatchAssign | |
| noClassAssign | |
| noCommentText | |
| noCompareNegZero | |
| noConfusingLabels | |
| noConfusingVoidType | |
| noConstEnum | |
| noControlCharactersInRegex | |
| noDebugger | |
| noDoubleEquals | |
| noDuplicateCase | |
| noDuplicateClassMembers | |
| noDuplicateJsxProps | |
| noDuplicateObjectKeys | |
| noDuplicateParameters | |
| noDuplicateTestHooks | |
| noEmptyInterface | |
| noExplicitAny | |
| noExportsInTest | |
| noExtraNonNullAssertion | |
| noFallthroughSwitchClause | |
| noFocusedTests | |
| noFunctionAssign | |
| noGlobalAssign | |
| noGlobalIsFinite | |
| noGlobalIsNan | |
| noImplicitAnyLet | |
| noImportAssign | |
| noLabelVar | |
| noMisleadingCharacterClass | |
| noMisleadingInstantiator | |
| noMisrefactoredShorthandAssign | |
| noPrototypeBuiltins | |
| noRedeclare | |
| noRedundantUseStrict | |
| noSelfCompare | |
| noShadowRestrictedNames | |
| noSparseArray | |
| noSuspiciousSemicolonInJsx | |
| noThenProperty | |
| noUnsafeDeclarationMerging | |
| noUnsafeNegation | |
| useDefaultSwitchClauseLast | |
| useGetterReturn | |
| useIsArray | |
| useNamespaceKeyword | |
| useValidTypeof |
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Still needs some manual intervention