.eslintrc

{
  "parser": "@babel/eslint-parser",
  "plugins": ["import", "prettier", "react"],
  "settings": {
    "import/resolver": "webpack",
    "react": { "version": "16" }
  },
  "parserOptions": {
    "babelOptions": { "presets": ["@babel/preset-react"] },
    "ecmaVersion": 9,
    "requireConfigFile": false,
    "sourceType": "module"
  },
  "extends": [
    "airbnb/base",
    "eslint:recommended",
    "plugin:react/recommended",
    "prettier",
    "babel-plugin-prismjs",
    "react-app"
  ],
  "globals": {
    "document": true,
    "window": true,
    "btoa": true
  },
  "rules": {
    "prefer-arrow-callback": [2, { "allowNamedFunctions": true }],
    "class-methods-use-this": [
      2,
      {
        "exceptMethods": [
          "render",
          "getInitialState",
          "getDefaultProps",
          "getChildContext",
          "componentWillMount",
          "UNSAFE_componentWillMount",
          "componentDidMount",
          "componentWillReceiveProps",
          "UNSAFE_componentWillReceiveProps",
          "shouldComponentUpdate",
          "componentWillUpdate",
          "UNSAFE_componentWillUpdate",
          "componentDidUpdate",
          "componentWillUnmount",
          "componentDidCatch",
          "getSnapshotBeforeUpdate"
        ]
      }
    ],
    "curly": [1, "multi-line"],
    "import/no-amd": 2,
    "import/no-commonjs": 2,
    "import/no-nodejs-modules": 2,
    "import/prefer-default-export": 0,
    "no-debugger": 1,
    "no-param-reassign": [1, { "props": false }],
    "no-unused-vars": [
      1,
      { "args": "all", "varsIgnorePattern": "^_", "argsIgnorePattern": "^_" }
    ],
    "no-use-before-define": [2, { "functions": false, "variables": false }],
    "prettier/prettier": 1,
    "react/display-name": 0,
    "react/jsx-no-undef": [2, { "allowGlobals": true }],
    "react/prop-types": 0,
    "vars-on-top": 0,
    "consistent-return": 0
  },
  "overrides": [
    {
      "files": ["src/index.js"],
      "rules": { "import/first": 0 }
    },
    {
      "files": ["src/Widgets/ContactFormWidget/ContactFormWidgetComponent.js"],
      "rules": { "import/no-webpack-loader-syntax": 0 }
    },
    {
      "files": ["webpack.config.*"],
      "rules": {
        "import/no-commonjs": 0,
        "import/no-nodejs-modules": 0
      }
    },
    {
      "files": ["src/prerender_content.js", "src/prerenderContent/*.js"],
      "rules": {
        "import/no-nodejs-modules": 0,
        "no-console": 0
      }
    }
  ]
}