.eslintrc.js

/** @type {import("@types/eslint").Linter.Config} */
module.exports = {
  env: {
    node: true,
  },
  root: true,
  extends: [
    'eslint:recommended',
    'plugin:@typescript-eslint/recommended',
    'plugin:prettier/recommended',
    'plugin:astro/recommended',
    'plugin:astro/jsx-a11y-recommended',
  ],
  ignorePatterns: ['dist', 'node_modules'],
  parser: '@typescript-eslint/parser',
  plugins: ['@typescript-eslint', 'prettier'],
  overrides: [
    {
      files: ['*.astro'],
      parser: 'astro-eslint-parser',
      parserOptions: {
        parser: '@typescript-eslint/parser',
        extraFileExtensions: ['.astro'],
      },
      rules: {
        '@typescript-eslint/consistent-type-imports': 'error',
        '@typescript-eslint/no-unused-vars': 'off',
        'import/no-named-as-default-member': 'off',
        'import/no-named-as-default': 'off',
        'prettier/prettier': 'off',
      },
    },
    {
      files: ['**/*.mjs'],
      parserOptions: {
        sourceType: 'module',
        ecmaVersion: 'latest',
      },
      rules: {
        'import/no-extraneous-dependencies': 'off',
        'import/no-unresolved': 'off',
      },
    },
    {
      files: ['**/*.ts'],
      parser: '@typescript-eslint/parser',
      extends: ['plugin:@typescript-eslint/recommended'],
      rules: {
        '@typescript-eslint/no-unused-vars': [
          'error',
          { argsIgnorePattern: '^_', destructuredArrayIgnorePattern: '^_' },
        ],
        '@typescript-eslint/no-non-null-assertion': 'off',
      },
    },
  ],
  rules: {
    '@typescript-eslint/no-var-requires': 'warn',
    'eol-last': 'warn',
    'max-len': ['warn', { code: 80, ignoreComments: true }],
    'no-multiple-empty-lines': ['warn', { max: 1, maxEOF: 0 }],
    'prettier/prettier': ['warn', { singleQuote: false }],
  },
}