links/eslint.config.mjs at main · yton12/links · GitHub

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import { defineConfig, globalIgnores } from 'eslint/config';
import nextVitals from 'eslint-config-next/core-web-vitals';
import nextTs from 'eslint-config-next/typescript';
import prettier from 'eslint-config-prettier';

const eslintConfig = defineConfig([
  ...nextVitals,
  ...nextTs,
  prettier,
  // Override default ignores of eslint-config-next.
  globalIgnores([
    // Default ignores of eslint-config-next:
    '.next/**',
    'out/**',
    'build/**',
    'next-env.d.ts',
    // Utility scripts (CommonJS, not part of app source)
    'scripts/**',
  ]),
  {
    rules: {
      // Enforce consistent import order
      'import/order': [
        'error',
        {
          groups: [
            'builtin',
            'external',
            'internal',
            'parent',
            'sibling',
            'index',
            'object',
            'type',
          ],
          'newlines-between': 'always',
          alphabetize: {
            order: 'asc',
            caseInsensitive: true,
          },
        },
      ],
      // Prevent console.log in production code
      'no-console': ['warn', { allow: ['warn', 'error'] }],
      // Enforce consistent return types
      '@typescript-eslint/explicit-function-return-type': [
        'error',
        {
          allowExpressions: true,
          allowTypedFunctionExpressions: true,
          allowHigherOrderFunctions: true,
        },
      ],
      // Prevent unused variables
      '@typescript-eslint/no-unused-vars': [
        'error',
        {
          argsIgnorePattern: '^_',
          varsIgnorePattern: '^_',
          caughtErrorsIgnorePattern: '^_',
        },
      ],
      // Enforce consistent type imports
      '@typescript-eslint/consistent-type-imports': [
        'error',
        {
          prefer: 'type-imports',
          fixStyle: 'separate-type-imports',
        },
      ],
      // Prevent any type
      '@typescript-eslint/no-explicit-any': 'error',
      // Enforce consistent naming conventions
      '@typescript-eslint/naming-convention': [
        'error',
        {
          selector: 'interface',
          format: ['PascalCase'],
          custom: {
            regex: '^I[A-Z]',
            match: false,
          },
        },
        {
          selector: 'typeAlias',
          format: ['PascalCase'],
        },
        {
          selector: 'enum',
          format: ['PascalCase'],
        },
      ],
      // React specific rules
      'react/jsx-boolean-value': ['error', 'never'],
      'react/jsx-curly-brace-presence': ['error', { props: 'never', children: 'never' }],
      'react/self-closing-comp': 'error',
      // React Hooks rules are already included in next/core-web-vitals
      'react-hooks/rules-of-hooks': 'error',
      'react-hooks/exhaustive-deps': 'warn',
    },
  },
]);

export default eslintConfig;