voice-services/eslint.config.js at main · lnflash/voice-services · GitHub

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import eslint from '@eslint/js';
import tseslint from 'typescript-eslint';

export default tseslint.config(
  eslint.configs.recommended,
  ...tseslint.configs.strictTypeChecked,
  ...tseslint.configs.stylisticTypeChecked,
  {
    languageOptions: {
      parserOptions: {
        projectService: true,
        tsconfigRootDir: import.meta.dirname,
      },
    },
    rules: {
      // No any - ever
      '@typescript-eslint/no-explicit-any': 'error',
      '@typescript-eslint/no-unsafe-argument': 'error',
      '@typescript-eslint/no-unsafe-assignment': 'error',
      '@typescript-eslint/no-unsafe-call': 'error',
      '@typescript-eslint/no-unsafe-member-access': 'error',
      '@typescript-eslint/no-unsafe-return': 'error',

      // Require explicit return types on functions
      '@typescript-eslint/explicit-function-return-type': ['error', {
        allowExpressions: true,
        allowTypedFunctionExpressions: true,
        allowHigherOrderFunctions: true,
      }],

      // Require explicit types on exported functions
      '@typescript-eslint/explicit-module-boundary-types': 'error',

      '@typescript-eslint/prefer-readonly': 'error',
      '@typescript-eslint/prefer-readonly-parameter-types': 'off',

      // Strict boolean expressions
      '@typescript-eslint/strict-boolean-expressions': ['error', {
        allowString: false,
        allowNumber: false,
        allowNullableObject: false,
        allowNullableBoolean: false,
        allowNullableString: false,
        allowNullableNumber: false,
        allowAny: false,
      }],

      // No floating promises
      '@typescript-eslint/no-floating-promises': 'error',
      '@typescript-eslint/no-misused-promises': 'error',
      '@typescript-eslint/await-thenable': 'error',

      // Consistent type imports
      '@typescript-eslint/consistent-type-imports': ['error', {
        prefer: 'type-imports',
        fixStyle: 'separate-type-imports',
      }],

      // No unused vars
      '@typescript-eslint/no-unused-vars': ['error', {
        argsIgnorePattern: '^_',
        varsIgnorePattern: '^_',
      }],

      // Require array type to be consistent
      '@typescript-eslint/array-type': ['error', { default: 'array-simple' }],

      // Prefer nullish coalescing
      '@typescript-eslint/prefer-nullish-coalescing': 'error',

      // Prefer optional chain
      '@typescript-eslint/prefer-optional-chain': 'error',

      // No non-null assertion
      '@typescript-eslint/no-non-null-assertion': 'error',

      // Require switch exhaustiveness
      '@typescript-eslint/switch-exhaustiveness-check': 'error',
    },
  },
  {
    ignores: ['**/dist/**', '**/node_modules/**', '**/*.js', '**/*.mjs', '**/__tests__/**'],
  }
);