.eslintrc.json

{
    "env": {
        "es6": true,
        "browser": true,
        "node": true,
        "jest": true
    },
    "parser": "babel-eslint",
    "extends": [
        "eslint:recommended",
        "plugin:react/recommended",
        "plugin:react-native/all"
    ],
    "parserOptions": {
        "ecmaFeatures": {
            "jsx": true
        },
        "sourceType": "module"
    },
    "plugins": [
        "react",
        "react-native"
    ],
    "rules": {
        "indent": [
            "error",
            4
        ],
        "linebreak-style": [
            "error",
            "unix"
        ],
        "quotes": [
            "error",
            "single"
        ],
        "semi": [
            "error",
            "always"
        ],
        "no-var": [
            "error"
        ],
        "eqeqeq": [
            "error"
        ]
    },
    "globals": {
        "fetch": true
    }
}