.eslintrc.cjs

module.exports = {
  env: {
    es6: true,
    browser: true,
    webextensions: true,
  },
  parser: '@typescript-eslint/parser',
  parserOptions: {
    ecmaVersion: 2021,
    sourceType: 'module',
    tsconfigRootDir: __dirname,
    project: true,
    extraFileExtensions: ['.svelte'],
  },
  extends: [
    'eslint:recommended',
    'plugin:svelte/recommended',
    'plugin:svelte/prettier',
    'plugin:@typescript-eslint/recommended-type-checked',
    'plugin:@typescript-eslint/stylistic-type-checked',
    'prettier',
  ],
  plugins: ['@typescript-eslint', 'simple-import-sort'],
  overrides: [
    {
      files: ['*.svelte'],
      parser: 'svelte-eslint-parser',
      parserOptions: {
        parser: '@typescript-eslint/parser',
      },
    },
  ],
  rules: {
    '@typescript-eslint/no-unused-vars': ['error', { argsIgnorePattern: '^_' }],
    'simple-import-sort/imports': [
      'error',
      {
        groups: [
          // Configuration based on https://github.com/lydell/eslint-plugin-simple-import-sort/blob/7b29c07/examples/.eslintrc.js#L71-L89
          // Packages.
          ['^svelte', '^@?\\w'],
          // Internal packages.
          ['^(@Treetop)(/.*|$)'],
          // Side effect imports.
          ['^\\u0000'],
          // Parent imports. Put `..` last.
          ['^\\.\\.(?!/?$)', '^\\.\\./?$'],
          // Other relative imports. Put same-folder imports and `.` last.
          ['^\\./(?=.*/)(?!/?$)', '^\\.(?!/?$)', '^\\./?$'],
          // Style imports.
          ['^.+\\.s?css$'],
        ],
      },
    ],
    'simple-import-sort/exports': 'error',
  },
};