.eslintrc.js

module.exports = {
  extends: [
    'eslint-config-react-app',
    'eslint:recommended',
    'plugin:react/recommended',
    'plugin:import/errors',
    'plugin:import/warnings',
    'prettier',
    'prettier/react',
    'plugin:cypress/recommended',
    'next/core-web-vitals',
  ],
  parserOptions: {
    ecmaVersion: 2018,
    ecmaFeatures: {
      impliedStrict: true,
      classes: true,
    },
  },
  env: {
    browser: true,
    node: true,
    es6: true,
    jest: true,
  },
  plugins: [
    'react',
    'jest',
    'prettier',
    'import',
    'react-hooks',
    'jsdoc',
    'cypress',
  ],
  rules: {
    'array-callback-return': 'error',
    'no-await-in-loop': 'error',
    'object-curly-newline': ['error', { multiline: true, minProperties: 3 }],
    'brace-style': ['error', '1tbs', { allowSingleLine: false }],
    'no-return-await': 'error',
    'quote-props': ['error', 'consistent'],
    'require-await': 'error',
    'no-async-promise-executor': 'error',
    'no-throw-literal': 'warn',
    'no-nested-ternary': 'error',
    'no-duplicate-imports': ['error', { includeExports: false }],
    'import/order': [
      'error',
      {
        groups: [
          'builtin',
          'external',
          'internal',
          'parent',
          'sibling',
          'index',
        ],
      },
    ],
    'import/first': 'off',
    'import/default': 'off',
    'import/namespace': 'off',
    indent: ['error', 2],
    'react/no-find-dom-node': 'warn',
    'no-undef': 'error',
    'no-unused-vars': 'error',
    'no-debugger': 'warn',
    'react/prop-types': 'error',
    curly: 'error',
    semi: ['error', 'never'],
    'semi-style': ['error', 'last'],
    'no-console': 'off',
    'react/jsx-uses-react': 'error',
    'react/jsx-uses-vars': 'error',
    'react/react-in-jsx-scope': 'off',
    'no-prototype-builtins': 'off',
    'react/no-unescaped-entities': 'off',
    'object-curly-spacing': ['error', 'always'],
    quotes: ['error', 'single', { allowTemplateLiterals: true }],
    'comma-dangle': ['error', 'always-multiline'],
    'keyword-spacing': 'error',
    'no-multi-spaces': 'error',
    'no-trailing-spaces': 'error',
    'arrow-body-style': ['error', 'as-needed'],
    'space-before-function-paren': [
      'error',
      {
        anonymous: 'always',
        named: 'never',
        asyncArrow: 'always',
      },
    ],
    'no-return-assign': 'error',
    'padding-line-between-statements': [
      'error',
      {
        blankLine: 'always',
        prev: '*',
        next: ['function', 'if', 'for', 'while', 'switch', 'try'],
      },
      {
        blankLine: 'always',
        prev: ['const', 'let', 'var'],
        next: ['block', 'block-like', 'multiline-expression'],
      },
      {
        blankLine: 'always',
        prev: ['block', 'block-like', 'multiline-expression'],
        next: ['const', 'let', 'var'],
      },
    ],
    'padded-blocks': ['error', 'never'],
    'no-unused-expressions': 'error',
    'func-names': 'off',
    'no-underscore-dangle': 'off',
    'consistent-return': 'off',
    radix: 'off',
    'guard-for-in': 'off',
    'react-hooks/rules-of-hooks': 'error',
    'react-hooks/exhaustive-deps': 'warn',
    'jsx-a11y/anchor-has-content': 'off',
    'jsx-a11y/anchor-is-valid': 'off',
    'no-mixed-operators': 'off',
    'jsx-a11y/alt-text': 'off',
    eqeqeq: 'off',
    'jsdoc/require-returns-type': 'warn',
    'jsdoc/valid-types': 'warn',
  },
  settings: {
    react: {
      createClass: 'createReactClass', // Regex for Component Factory to use, default to "createReactClass"
      pragma: 'React', // Pragma to use, default to "React"
      version: 'detect', // React version, default to the latest React stable release
    },
  },
}