.eslintrc.json

{
  "parser": "babel-eslint",
  "parserOptions": {
    "sourceType": "module",
    "allowImportExportEverywhere": false,
    "codeFrame": false
  },
  "extends": ["airbnb", "prettier"],
  "env": {
    "browser": true,
    "jest": true
  },
  "rules": {
    "max-len": ["error", { "code": 100 }],
    "prefer-promise-reject-errors": ["off"],
    "react/prop-types": ["warn"],
    "no-return-assign": ["off"],
    "react/jsx-one-expression-per-line": ["off"],
    "react/jsx-filename-extension": [
      1,
      {
        "extensions": [".js", ".jsx"]
      }
    ],
    "no-underscore-dangle": 0,
    "import/imports-first": ["error", "absolute-first"],
    "import/newline-after-import": "error",
    "import/prefer-default-export": 0,
    "semi": "error",
    "react/jsx-props-no-spreading": ["off"],
    "import/no-extraneous-dependencies": ["error", { "devDependencies": true }],
    "import/no-cycle": ["off"]
  },
  "globals": {
    "window": true,
    "document": true,
    "localStorage": true,
    "FormData": true,
    "FileReader": true,
    "Blob": true,
    "navigator": true,
    "Headers": true,
    "Request": true,
    "fetch": true
  }
}