.eslintrc

{
  "env": {
    "browser": true,
    "es2021": true,
    "node": true,
    "jest": true
  },
  "extends": [
    "eslint:recommended",
    "plugin:react/recommended",
    "plugin:prettier/recommended",
    "plugin:flowtype/recommended",
    "plugin:json/recommended"
  ],
  "parser": "@babel/eslint-parser",
  "parserOptions": {
    "ecmaFeatures": {
      "jsx": true
    },
    "ecmaVersion": "latest",
    "sourceType": "module",
    "requireConfigFile": false
  },
  "plugins": ["react", "html", "flowtype", "json"],
  "rules": {
    "strict": 0,
    "prettier/prettier": ["error", { "singleQuote": true }]
  },
  "settings": {
    "flowtype": {
      "onlyFilesWithFlowAnnotation": false
    },
    "react": {
      "createClass": "createReactClass", // Regex for Component Factory to use,
      // default to "createReactClass"
      "pragma": "React", // Pragma to use, default to "React"
      "fragment": "Fragment", // Fragment to use (may be a property of <pragma>), default to "Fragment"
      "version": "latest", // React version. "detect" automatically picks the version you have installed.
      // You can also use `16.0`, `16.3`, etc, if you want to override the detected value.
      // default to latest and warns if missing
      // It will default to "detect" in the future
      "flowVersion": "0.53" // Flow version
    },
    "propWrapperFunctions": [
      // The names of any function used to wrap propTypes, e.g. `forbidExtraProps`. If this isn't set, any propTypes wrapped in a function will be skipped.
      "forbidExtraProps",
      { "property": "freeze", "object": "Object" },
      { "property": "myFavoriteWrapper" },
      // for rules that check exact prop wrappers
      { "property": "forbidExtraProps", "exact": true }
    ],
    "componentWrapperFunctions": [
      // The name of any function used to wrap components, e.g. Mobx `observer` function. If this isn't set, components wrapped by these functions will be skipped.
      "observer", // `property`
      { "property": "styled" }, // `object` is optional
      { "property": "observer", "object": "Mobx" },
      { "property": "observer", "object": "<pragma>" } // sets `object` to whatever value `settings.react.pragma` is set to
    ],
    "formComponents": [
      // Components used as alternatives to <form> for forms, eg. <Form endpoint={ url } />
      "CustomForm",
      { "name": "Form", "formAttribute": "endpoint" }
    ],
    "linkComponents": [
      // Components used as alternatives to <a> for linking, eg. <Link to={ url } />
      "Hyperlink",
      { "name": "Link", "linkAttribute": "to" }
    ]
  },
  "root": true
}