react-kit/eslint.config.js at main · hanlogy/react-kit · GitHub

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import eslint from '@eslint/js';
import { defineConfig } from 'eslint/config';
import tseslint from 'typescript-eslint';
import path from 'node:path';
import { fileURLToPath } from 'node:url';

const tsconfigRootDir = path.dirname(fileURLToPath(import.meta.url));

export default defineConfig(
  {
    ignores: ['dist/**', 'node_modules/**'],
  },

  eslint.configs.recommended,

  {
    files: ['**/*.{ts,tsx}'],
    extends: [
      tseslint.configs.strictTypeChecked,
      tseslint.configs.stylisticTypeChecked,
    ],
    languageOptions: {
      parserOptions: {
        project: ['./tsconfig.eslint.json'],
        tsconfigRootDir,
      },
    },
    rules: {
      // require explicit return type for functions
      '@typescript-eslint/explicit-function-return-type': [
        'error',
        {
          allowExpressions: false,
          allowTypedFunctionExpressions: true,
          allowHigherOrderFunctions: true,
          allowDirectConstAssertionInArrowFunctions: true,
        },
      ],
      // require explicit types for exported functions/methods at module boundaries
      '@typescript-eslint/explicit-module-boundary-types': 'error',

      // extra safety rules commonly used in strict libs
      '@typescript-eslint/no-explicit-any': 'error',
      '@typescript-eslint/consistent-type-imports': [
        'error',
        { prefer: 'type-imports', fixStyle: 'separate-type-imports' },
      ],
      '@typescript-eslint/no-floating-promises': 'error',
      '@typescript-eslint/no-misused-promises': 'error',
      '@typescript-eslint/await-thenable': 'error',
      '@typescript-eslint/restrict-template-expressions': [
        'error',
        { allowNumber: true },
      ],
      '@typescript-eslint/prefer-regexp-exec': 'off',
      'prefer-regexp-exec': 'off',
    },
  },
  {
    files: ['__test__/**/*.ts', '__test__/**/*.tsx'],
    rules: {
      '@typescript-eslint/no-unsafe-assignment': 'off',
      '@typescript-eslint/no-unsafe-argument': 'off',
      '@typescript-eslint/no-unsafe-return': 'off',
      '@typescript-eslint/no-unsafe-member-access': 'off',
      '@typescript-eslint/no-unsafe-call': 'off',
    },
  },
);