Eslint config

.eslintrc.json

{
    "parser": "babel-eslint",
    "extends": "airbnb/base",
    "plugins": [
        "flowtype",
        "flowtype-errors",
        "html"
    ],
    "rules": {
        "import/no-extraneous-dependencies": 0,
        "import/prefer-default-export": 0,
        "arrow-parens": 1,
        "no-unused-vars": 0,
        "indent": [
            2,
            4,
            {
                "SwitchCase": 1
            }
        ],
        "arrow-body-style": 0,
        "spaced-comment": 0,
        "no-shadow": 0,
        "comma-dangle": 0,
        "flowtype/require-parameter-type": 2,
        "flowtype/require-return-type": [
            2,
            "always",
            {
                "annotateUndefined": "never"
            }
        ],
        "flowtype/space-after-type-colon": [
            2,
            "always"
        ],
        "flowtype/space-before-type-colon": [
            2,
            "never"
        ],
        "flowtype/type-id-match": [
            1,
            "^([A-Z][a-z0-9]+)+Type$"
        ],
        "flowtype-errors/show-errors": 2
    },
    "settings": {
        "flowtype": {
            "onlyFilesWithFlowAnnotation": true
        }
    },
    "globals": {
        "google": true,
        "window": true
    },
    "env": {
        "browser": true,
        "mocha": true,
        "node": true
    }
}