.eslintrc.js

// SPDX-License-Identifier: MIT
// Copyright (c) 2022 Mercedes-Benz Tech Innovation GmbH

module.exports = {
  parser: '@typescript-eslint/parser', // Specifies the ESLint parser
  extends: [
    'eslint:recommended',
    'plugin:import/errors',
    'plugin:import/warnings',
    'plugin:import/typescript',
    'plugin:@typescript-eslint/recommended', // uses typescript-specific linting rules
    'plugin:react/recommended', // uses react-specific linting rules
    'plugin:prettier/recommended', // enables eslint-plugin-prettier and eslint-config-prettier
  ],
  plugins: ['import', 'react-hooks'],
  parserOptions: {
    ecmaVersion: 2018, // Allows for the parsing of modern ECMAScript features
    sourceType: 'module', // Allows for the use of imports
    ecmaFeatures: {
      jsx: true, // Allows for the parsing of JSX
    },
  },
  env: {
    es2017: true,
    browser: true,
    node: true,
  },
  globals: {
    __CONFIG__: 'readonly',
  },
  rules: {
    // Config prettier/react - disables react-specific linting rules that conflict with prettier
    'react/jsx-child-element-spacing': 'off',
    'react/jsx-closing-bracket-location': 'off',
    'react/jsx-closing-tag-location': 'off',
    'react/jsx-curly-newline': 'off',
    'react/jsx-curly-spacing': 'off',
    'react/jsx-equals-spacing': 'off',
    'react/jsx-first-prop-new-line': 'off',
    'react/jsx-indent': 'off',
    'react/jsx-indent-props': 'off',
    'react/jsx-max-props-per-line': 'off',
    'react/jsx-one-expression-per-line': 'off',
    'react/jsx-props-no-multi-spaces': 'off',
    'react/jsx-tag-spacing': 'off',
    'react/jsx-wrap-multilines': 'off',
    // Place to specify ESLint rules. Can be used to overwrite rules specified from the extended configs
    // e.g. '@typescript-eslint/no-parameter-properties': 'warn',
    '@typescript-eslint/explicit-function-return-type': 'off',
    '@typescript-eslint/indent': 'off', // this is handled by prettier
    '@typescript-eslint/interface-name-prefix': ['off', { prefixWithI: 'never' }], // TypeScript changed their mind and now recommend to not prefix interfaces
    '@typescript-eslint/no-empty-interface': ['warn', { allowSingleExtends: true }],
    '@typescript-eslint/no-var-requires': 'off',
    'react-hooks/rules-of-hooks': 'error',
    'react-hooks/exhaustive-deps': 'warn',
    'react/prop-types': [1, { skipUndeclared: true }],
    'import/default': 'off',
    // '@typescript-eslint/no-explicit-any': 'off',
    'no-undef': 'off', // TypeScript will fail to compile with undefined vars. The rule is redundant and reports false-positives for files that only exports interfaces.
  },
  settings: {
    react: {
      version: 'detect', // Tells eslint-plugin-react to automatically detect the version of React to use
    },
    // 'import/resolver': {
    //   typescript: {
    //     alwaysTryTypes: true,
    //     project: './tsconfig.json',
    //   },
    // },
  },
};