.eslintrc.json

{
  "extends": [
    "react-app", // Create React App base settings
    "eslint:recommended", // recommended ESLint rules
    "plugin:@typescript-eslint/recommended", // recommended rules from @typescript-eslint/eslint-plugin
    "plugin:prettier/recommended", // Enables eslint-plugin-prettier and eslint-config-prettier. This will display Prettier errors as ESLint errors. Make sure this is always the last configuration in the extends array.
    "plugin:jsx-a11y/recommended"
  ],
  "settings": {
    "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": "detect", // 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"
      }
    ],
    "linkComponents": [
      // Components used as alternatives to <a> for linking, eg. <Link to={ url } />
      "Hyperlink",
      {
        "name": "Link",
        "linkAttribute": "to"
      }
    ]
  },
  "plugins": [
    "@typescript-eslint"
  ],
  "rules": {
    "@typescript-eslint/explicit-function-return-type": [
      1,
      {
        "allowExpressions": true,
        "allowTypedFunctionExpressions": true,
        "allowHigherOrderFunctions": true,
        "allowDirectConstAssertionInArrowFunctions": true,
        "allowConciseArrowFunctionExpressionsStartingWithVoid": true
      }
    ],
    "no-debugger": [
      "off"
    ],
    "prettier/prettier": [
      "off",
      {
        "endOfLine": "auto"
      }
    ]
  }
}