.eslintrc

{
  "parser": "babel-eslint",
  "env": {
    "node": true,
    "es6": true
  },
  "extends": [
    "airbnb",
    "plugin:import/errors",
    "plugin:import/warnings"
  ],
  "plugins": [
    "flowtype",
    "flow-vars"
  ],
  "rules": {
    "flowtype/require-parameter-type": 1,
    "flowtype/require-return-type": [
      1,
      "always",
      {
        "annotateUndefined": "never"
      }
    ],
    "flowtype/space-after-type-colon": [
      1,
      "always"
    ],
    "flowtype/space-before-type-colon": [
      1,
      "never"
    ],
    "flowtype/type-id-match": [
      1,
      "^([A-Z][a-z0-9]+)+Type$"
    ],
    "flow-vars/define-flow-type": 1,
    "flow-vars/use-flow-type": 1,
    "prefer-arrow-callback": 0,
    "new-cap": 0,
    "no-param-reassign": [
      1,
      {
        "props": false
      }
    ],
    "no-unused-vars": [
      1,
      {
        "args": "none"
      }
    ]
  },
  "settings": {
    "flowtype": {
      "onlyFilesWithFlowAnnotation": false
    }
  }
}