mirror of
https://github.com/Memo-2023/mana-monorepo.git
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94 lines
2.7 KiB
JavaScript
94 lines
2.7 KiB
JavaScript
/**
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* TypeScript ESLint configuration
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*
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* Provides type-aware linting rules for TypeScript projects.
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* Uses projectService for automatic tsconfig detection in monorepos.
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*
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* Strictness balance:
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* - ERROR: Unused variables, unsafe operations
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* - WARN: Explicit any (allow during migration), return types
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* - OFF: Rules that conflict with TypeScript's own checks
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*/
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import tseslint from 'typescript-eslint';
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/** @type {import('eslint').Linter.Config[]} */
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export const typescriptConfig = [
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...tseslint.configs.recommended,
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{
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files: ['**/*.ts', '**/*.tsx', '**/*.mts', '**/*.cts'],
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languageOptions: {
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parser: tseslint.parser,
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parserOptions: {
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ecmaVersion: 2022,
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sourceType: 'module',
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projectService: true,
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tsconfigRootDir: import.meta.dirname,
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},
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},
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plugins: {
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'@typescript-eslint': tseslint.plugin,
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},
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rules: {
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// ============================================
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// ERRORS - Type safety violations
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// ============================================
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// Unused code must be removed
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'@typescript-eslint/no-unused-vars': [
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'error',
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{
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argsIgnorePattern: '^_',
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varsIgnorePattern: '^_',
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caughtErrorsIgnorePattern: '^_',
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ignoreRestSiblings: true,
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},
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],
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// Enforce proper typing
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'@typescript-eslint/no-non-null-assertion': 'warn',
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// ============================================
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// WARNINGS - Best practices, fix when convenient
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// ============================================
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// Allow any during migration, but flag it
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'@typescript-eslint/no-explicit-any': 'warn',
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// Encourage type annotations on exports
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'@typescript-eslint/explicit-function-return-type': 'off', // Too verbose
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'@typescript-eslint/explicit-module-boundary-types': 'off', // Too verbose
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// Prefer modern patterns
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'@typescript-eslint/prefer-as-const': 'warn',
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'@typescript-eslint/no-inferrable-types': 'warn',
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'@typescript-eslint/consistent-type-imports': [
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'warn',
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{
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prefer: 'type-imports',
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fixStyle: 'inline-type-imports',
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},
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],
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// ============================================
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// OFF - Too strict or handled elsewhere
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// ============================================
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// Allow empty functions (common in interfaces/defaults)
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'@typescript-eslint/no-empty-function': 'off',
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// Allow require() for dynamic imports
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'@typescript-eslint/no-require-imports': 'off',
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// Allow namespace for declaration merging
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'@typescript-eslint/no-namespace': 'off',
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// Base rule must be off when using TS version
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'no-unused-vars': 'off',
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// Allow this aliasing in some patterns (e.g., closures)
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'@typescript-eslint/no-this-alias': 'warn',
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},
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},
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];
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export default typescriptConfig;
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