.eslintrc.json

{
    "env": {
        "browser": true,
        "commonjs": true,
        "node": true
    },
    "parserOptions": {
        "ecmaFeatures": {
            "jsx": true,
            "modules": true
        }
    },
    "rules": {
        "no-duplicate-case":"error",
        "no-empty":"error",
        "no-extra-semi":"error",
        "no-func-assign": "error",
        "no-irregular-whitespace":"error",
        "no-unreachable": "error",
        "curly": "error",
        "dot-notation": "error",
        "eqeqeq": "error",
        "no-empty-function": "error",
        "no-multi-spaces": "error",
        "indent": [
            "error",
            2
        ],
        "quotes": [
            "error",
            "double"
        ],
        "semi": [
            "error",
            "always"
        ]
    },
    "parser": "babel-eslint"
  }