.eslintrc.js

module.exports = {
  parser: '@typescript-eslint/parser',
  parserOptions: {
    sourceType: 'module'
  },
  extends: ['airbnb-base', 'plugin:@typescript-eslint/recommended', 'prettier'],
  plugins: ['import', 'prettier', '@typescript-eslint'],
  env: {
    browser: false,
    es6: true
  },
  rules: {
    // prettier
    'prettier/prettier': ['error'],
    // TypeScript
    '@typescript-eslint/no-unused-vars': 'error',
    '@typescript-eslint/explicit-member-accessibility': 'off',
    '@typescript-eslint/no-object-literal-type-assertion': 'off',
    'no-console': 'off',
    // import
    'import/extensions': [
      'error',
      'ignorePackages',
      {
        js: 'never',
        mjs: 'never',
        ts: 'never'
      }
    ]
  },
  settings: {
    'import/resolver': {
      node: {
        extensions: ['.js', '.ts', '.json']
      }
    },
    'import/extensions': ['.js', '.ts', '.mjs']
  },
  overrides: [
    {
      files: ['webpack/**/*.js'],
      rules: {
        '@typescript-eslint/no-var-requires': 'off',
        'import/no-extraneous-dependencies': 'off'
      }
    },
    {
      files: ['*.test.js'],
      rules: {
        'no-undef': 'off'
      }
    },
    {
      files: ['**/*.ts'],
      parserOptions: {
        sourceType: 'module',
        project: './tsconfig.json'
      }
    }
  ],
  ignorePatterns: ['/dist/**', '/github-action/**']
}