.eslintrc.js

// eslint-disable-next-line no-undef
module.exports = {
  root: true,
  parser: '@typescript-eslint/parser',
  parserOptions: {
    ecmaFeatures: {
      globalReturn: true,
      generators: false,
      objectLiteralDuplicateProperties: false,
      jsx: true,
    },
    ecmaVersion: 2021,
    sourceType: 'module',
  },
  plugins: ['import', '@typescript-eslint', 'prettier'],
  extends: [
    'eslint:recommended',
    'plugin:prettier/recommended',
    'plugin:@typescript-eslint/eslint-recommended',
    'plugin:@typescript-eslint/recommended',
    'plugin:import/recommended',
    'plugin:import/typescript',
    'plugin:react/recommended',
    'plugin:react-hooks/recommended',
    'plugin:@next/next/recommended',
  ],
  rules: {
    // Windoqws eol
    'prettier/prettier': [
      'error',
      {
        endOfLine: 'auto',
      },
    ],

    // misc
    'no-console': ['error', { allow: ['warn', 'error'] }],
    camelcase: ['error', { properties: 'always' }],

    // force import types
    '@typescript-eslint/consistent-type-imports': [
      'error',
      {
        prefer: 'type-imports',
        disallowTypeAnnotations: false,
      },
    ],

    // plugin:import
    'import/newline-after-import': ['error', { count: 1 }],
    'import/order': [
      'error',
      {
        pathGroups: [
          {
            pattern: '@mui/**',
            group: 'external',
            position: 'after',
          },
          {
            pattern: 'src/**',
            group: 'sibling',
          },
          {
            pattern: 'types/**',
            group: 'sibling',
          },
        ],
        groups: [
          ['builtin', 'external', 'internal'],
          ['parent', 'sibling', 'index'],
        ],
        'newlines-between': 'always',
        alphabetize: { order: 'asc', caseInsensitive: false },
      },
    ],

    // react
    'react-hooks/rules-of-hooks': 'error',
    'react-hooks/exhaustive-deps': 'error',

    // typescript
    '@typescript-eslint/no-empty-function': 'off',
    '@typescript-eslint/no-inferrable-types': 'off',
    '@typescript-eslint/member-delimiter-style': [
      'error',
      {
        multiline: {
          delimiter: 'semi',
          requireLast: true,
        },
        singleline: {
          delimiter: 'semi',
          requireLast: false,
        },
      },
    ],
    '@typescript-eslint/explicit-function-return-type': 'off',
    '@typescript-eslint/explicit-module-boundary-types': 'off',

    // "quotes": ["error", "single", { "avoidEscape": true, "allowTemplateLiterals": true }],
  },
  settings: {
    'import/parsers': {
      '@typescript-eslint/parser': ['.ts', '.tsx'],
    },
    'import/resolver': {
      node: {
        extensions: ['.js', '.jsx', '.ts', '.tsx', '.svg'],
      },
      typescript: {}, // this loads <rootdir>/tsconfig.json to eslint
    },
    react: {
      version: 'detect',
    },
  },
};