.eslintrc.cjs

module.exports = {
  parser: '@typescript-eslint/parser',
  plugins: ['react', '@typescript-eslint', 'import', 'jsx-a11y', 'simple-import-sort', 'prettier'],
  extends: [
    'eslint:recommended',
    'plugin:react/recommended',
    'plugin:@typescript-eslint/eslint-recommended',
    'plugin:@typescript-eslint/recommended',
    'prettier',
  ],
  parserOptions: {
    ecmaVersion: 2020,
    sourceType: 'module',
    ecmaFeatures: {
      modules: true,
      jsx: true,
    },
  },
  env: {
    browser: true,
    node: true,
    es2020: true,
  },
  settings: {
    react: {
      pragma: 'h',
      version: '16.0',
    },
    'import/resolver': {
      node: {
        extensions: ['.js', '.jsx', '.ts', '.tsx'],
      },
      typescript: {
        project: './tsconfig.json',
      },
    },
  },
  rules: {
    'no-console': 0,
    'class-methods-use-this': 'off',
    'no-underscore-dangle': 'off',
    'import/prefer-default-export': 'off',
    'no-debugger': 'warn',
    indent: 'off',
    'import/extensions': [
      'error',
      'ignorePackages',
      {
        js: 'never',
        jsx: 'never',
        ts: 'never',
        tsx: 'never',
      },
    ],
    // Disabled: doesn't play well with workspaces, more investigation needed
    // 'import/no-extraneous-dependencies': ['error', { devDependencies: true }],
    'max-len': [
      'error',
      {
        code: 150,
        tabWidth: 2,
        ignoreComments: true, // Allow long comments in the code
        ignoreUrls: true,
        ignoreStrings: true,
        ignoreTemplateLiterals: true,
      },
    ],
    'prefer-destructuring': 'off',
    'arrow-parens': [0, 'as-needed'],
    // Do not care about dangling comma presence
    'comma-dangle': 'off',
    // // Do not care about operators linebreak
    'operator-linebreak': 'off',
    // // Do not care about arrow function linebreak
    'implicit-arrow-linebreak': 'off',
    // // Do not care about empty lines about props
    'lines-between-class-members': 'off',
    // This is not important rule
    'object-curly-newline': 'off',
    // // Styling rule which doesn't add anything
    'no-multiple-empty-lines': 'off',
    // This rule doesn't make sense in the latest browsers
    radix: 'off',
    // This serves no practical purpose
    'eol-last': 'off',

    // the base rule can report incorrect errors
    'no-useless-constructor': 'off',

    // simple-import-sort
    'import/order': 'off', // must be off for simple-import-sort to work
    'simple-import-sort/exports': 'error',
    'simple-import-sort/imports': 'error',
    'sort-imports': 'off', // must be off for simple-import-sort to work

    // Typescript Rules
    '@typescript-eslint/no-unused-vars': ['error', { ignoreRestSiblings: true, vars: 'local' }],
    '@typescript-eslint/explicit-member-accessibility': 'off',
    '@typescript-eslint/no-explicit-any': 'off',
    '@typescript-eslint/explicit-function-return-type': 'off',
    '@typescript-eslint/indent': 'off',
    '@typescript-eslint/no-empty-function': ['error', { allow: ['arrowFunctions'] }],
    '@typescript-eslint/ban-types': 'off',
    '@typescript-eslint/ban-ts-comment': 'off',
    '@typescript-eslint/explicit-module-boundary-types': 'off',

    // React Rules
    'react/prop-types': 'off',
    'react/display-name': 'off',

    // a11y
    'jsx-a11y/alt-text': 'error',
    'jsx-a11y/aria-role': 'error',
    'jsx-a11y/aria-props': 'error',
    'jsx-a11y/aria-unsupported-elements': 'error',
    'jsx-a11y/role-has-required-aria-props': 'error',
    'jsx-a11y/role-supports-aria-props': 'error',
    'jsx-a11y/tabindex-no-positive': 'error',
    'jsx-a11y/no-redundant-roles': 'error',
    'jsx-a11y/anchor-has-content': 'error',
    'jsx-a11y/anchor-is-valid': 'error',
    'jsx-a11y/img-redundant-alt': 'error',
    'jsx-a11y/interactive-supports-focus': 'error',
    'jsx-a11y/autocomplete-valid': 'error',
    'jsx-a11y/no-static-element-interactions': 'error',
    'jsx-a11y/no-noninteractive-tabindex': 'error',
    'jsx-a11y/mouse-events-have-key-events': 'error',

    // Debugging import rules.
    // These can be computationally expensive, enable them sparingly.
    'import/no-cycle': 'error',
  },
  overrides: [
    {
      // enable the rule specifically for TypeScript files
      files: ['*.ts', '*.tsx'],
      rules: {
        '@typescript-eslint/explicit-member-accessibility': [
          'error',
          { accessibility: 'off', overrides: { properties: 'explicit' } },
        ],
      },
    },
  ],
};