.eslintrc.js

module.exports = {
  root: true,
  env: {
    node: true,
    es6: true,
  },
  parserOptions: { ecmaVersion: 8 },
  ignorePatterns: ['node_modules/*', '.next/*', '.out/*', '!.prettierrc.js'], // We don't want to lint generated files nor node_modules, but we want to lint .prettierrc.js (ignored by default by eslint)
  extends: ['eslint:recommended', 'plugin:prettier/recommended'],
  overrides: [
    {
      files: ['**/*.ts', '**/*.tsx'],
      parser: '@typescript-eslint/parser',
      settings: { react: { version: 'detect' } },
      env: {
        browser: true,
        node: true,
        es6: true,
      },
      extends: [
        'eslint:recommended',
        'plugin:@typescript-eslint/recommended',
        'plugin:react/recommended',
        'plugin:react-hooks/recommended',
        'plugin:jsx-a11y/recommended',
      ],
      rules: {
        'react/prop-types': 'off',
        'react/react-in-jsx-scope': 'off',
        'jsx-a11y/anchor-is-valid': 'off',
        '@typescript-eslint/no-unused-vars': ['error'],
        '@typescript-eslint/explicit-function-return-type': [
          'warn',
          {
            allowExpressions: true,
            allowConciseArrowFunctionExpressionsStartingWithVoid: true,
          },
        ],
        'prettier/prettier': ['error', {}, { usePrettierrc: true }],
        'react/jsx-props-no-spreading': 'off',
        'react-hooks/rules-of-hooks': 'error',
        'no-unused-expressions': 'off',
        'react-hooks/exhaustive-deps': 'warn',
        'react/jsx-filename-extension': [1, { extensions: ['.tsx'] }],
        'import/prefer-default-export': 'off',
        '@typescript-eslint/camelcase': 'off',
        'import/no-duplicates': 'off',
        'no-use-before-define': 'off',
        'react/jsx-one-expression-per-line': 'off',
        camelcase: 'off',
        'no-extra-boolean-cast': 'off',
        '@typescript-eslint/no-empty-function': 'off',
        '@typescript-eslint/naming-convention': [
          'error',
          {
            selector: 'interface',
            format: ['PascalCase'],
            custom: {
              regex: '^I[A-Z]',
              match: true,
            },
          },
        ],
        '@typescript-eslint/ban-types': [
          'error',
          {
            types: {
              Object: false,
              object: false,
            },
            extendDefaults: true,
          },
        ],
      },
    },
  ],
}