.eslintrc.json

{
    "env": {
        "browser": true,
        "commonjs": true,
        "es6": true,
        "node": true
    },
    "extends": [
        "eslint:recommended",
        "plugin:react/recommended",
        "plugin:flowtype/recommended"
    ],
    "parserOptions": {
        "ecmaFeatures": {
            "jsx": true
        },
        "sourceType": "module"
    },
    "plugins": ["react", "flowtype","import"],
    "rules": {
        "import/no-unresolved": "error",
        "import/no-extraneous-dependencies": "error",
        "no-const-assign": "warn",
        "no-this-before-super": "warn",
        "no-undef": "error",
        "no-unreachable": "warn",
        "no-unused-vars": "off",
        "no-undefined": "error",
        "react/prop-types": "warn",
        "comma-dangle": "warn",
        "constructor-super": "warn",
        "valid-typeof": "warn",
        "react/jsx-uses-react": "error",
        "react/jsx-uses-vars": "error",
        "no-console": 0,
        "flowtype/boolean-style": [2, "boolean"],
        "flowtype/define-flow-type": 1,
        "flowtype/delimiter-dangle": [2, "never"],
        "flowtype/generic-spacing": [2, "never"],
        "flowtype/no-primitive-constructor-types": 2,
        "flowtype/no-types-missing-file-annotation": 2,
        "flowtype/no-weak-types": 0,
        "flowtype/object-type-delimiter": [2, "comma"],
        "flowtype/require-parameter-type": 2,
        "flowtype/require-return-type": [
            0,
            "never",
            {
                "annotateUndefined": "never"
            }
        ],
        "flowtype/require-valid-file-annotation": 2,
        "flowtype/semi": [2, "always"],
        "flowtype/space-after-type-colon": [2, "always"],
        "flowtype/space-before-generic-bracket": [2, "never"],
        "flowtype/space-before-type-colon": [2, "never"],
        "flowtype/type-id-match": [0, "^([A-Z][a-z0-9]+)+Type$"],
        "flowtype/union-intersection-spacing": [2, "always"],
        "flowtype/use-flow-type": 1,
        "flowtype/valid-syntax": 1
    },
    "parser": "babel-eslint",

    "settings": {
        "react": {
            "createClass": "createReactClass",
            "pragma": "React",
            "version": "15.0",
            "flowVersion": "0.53"
        },
        "propWrapperFunctions": ["forbidExtraProps"],
        "flowtype": {
            "onlyFilesWithFlowAnnotation": true
        },
        "flowtype-errors": {
            "flowDir": "."
        },
        "import/resolver": {
            "webpack": {
              "config": "webpack.config.eslint.js"
            }
          }
    }
}