.eslintrc.js

/** @type {import("eslint").Linter.Config} */
module.exports = {
  env: {
    node: true,
  },
  extends: [
    'eslint:recommended',
    'plugin:@typescript-eslint/recommended',
    'plugin:react/recommended',
    'plugin:react-hooks/recommended',
    'prettier',
  ],
  globals: {
    JSX: true,
    React: true,
  },
  ignorePatterns: [
    // Ignore dotfiles
    '.*.js',
    'node_modules/',
    'dist/',
  ],
  overrides: [
    {
      files: ['*.js?(x)', '*.ts?(x)'],
    },
  ],
  plugins: ['import', 'only-warn', 'sort-destructure-keys', 'sort-keys-plus', 'typescript-sort-keys', 'unused-imports'],
  rules: {
    '@typescript-eslint/explicit-module-boundary-types': 'off',
    '@typescript-eslint/no-unused-vars': [
      'error',
      {
        argsIgnorePattern: '^_',
        caughtErrorsIgnorePattern: '^_',
        ignoreRestSiblings: true,
        varsIgnorePattern: '^_',
      },
    ],
    curly: 'error',
    'import/no-cycle': ['warn'],
    'import/order': [
      'warn',
      {
        alphabetize: {
          caseInsensitive: false,
          order: 'asc',
        },
        groups: ['builtin', 'external', 'type', 'internal', 'parent', 'sibling', 'index'],
        'newlines-between': 'never',
        pathGroups: [
          {
            group: 'external',
            pattern: 'react',
            position: 'before',
          },
        ],
        pathGroupsExcludedImportTypes: ['react'],
        warnOnUnassignedImports: true,
      },
    ],
    'no-case-declarations': 'off',
    'no-empty-pattern': 'off',
    'no-multiple-empty-lines': ['error', { max: 1, maxBOF: 0, maxEOF: 1 }],
    'no-unused-vars': 'off',
    'react/jsx-newline': ['warn', { prevent: true }],
    'react/jsx-sort-props': [
      'warn',
      {
        callbacksLast: false,
        ignoreCase: false,
        locale: 'auto',
        multiline: 'ignore',
        noSortAlphabetically: false,
        reservedFirst: false,
        shorthandFirst: false,
        shorthandLast: false,
      },
    ],
    'react/jsx-uses-react': 'off',
    'react/react-in-jsx-scope': 'off',
    'react/self-closing-comp': 'error',
    'react-hooks/exhaustive-deps': 'error',
    'require-await': 'error',
    'sort-destructure-keys/sort-destructure-keys': ['warn', { caseSensitive: true }],
    'sort-imports': [
      'warn',
      {
        // let import/order deal with declarations
        ignoreDeclarationSort: true,
      },
    ],
    'sort-keys-plus/sort-keys': [
      'warn',
      'asc',
      {
        allowLineSeparatedGroups: true,
        natural: true,
      },
    ],
    'typescript-sort-keys/interface': [
      'warn',
      'asc',
      {
        caseSensitive: true,
        natural: true,
        requiredFirst: false,
      },
    ],
    'typescript-sort-keys/string-enum': [
      'warn',
      'asc',
      {
        caseSensitive: true,
        natural: true,
      },
    ],
    'unused-imports/no-unused-imports': 'warn',
  },
  settings: {
    react: {
      version: 'detect',
    },
  },
};