.eslintrc.json

{
  "parser": "babel-eslint",
  "env": {
    "es6": true,
    "node": true
  },
  "extends": "eslint:recommended",
  "parserOptions": {
    "ecmaFeatures": {
      "experimentalObjectRestSpread": true
    },
    "sourceType": "module"
  },
  "plugins": [
    "babel",
    "async-await",
    "async",
    "flowtype"
  ],
  "rules": {
    "strict": 0,
    "indent": ["error", 2, {"SwitchCase": 1}],
    "linebreak-style": ["error", "unix"],
    "quotes": ["error", "single"],
    "semi": ["error", "always"],
    "space-in-parens": ["error", "never"],
    "space-before-function-paren": ["error", {
      "anonymous": "never",
      "named": "never",
      "asyncArrow": "ignore"
    }],
    "space-before-blocks": ["error", {
      "functions": "always",
      "keywords": "always",
      "classes": "always"
    }],
    "keyword-spacing": ["error", {
      "before": true,
      "after": true,
      "overrides": {
        "if": { "after": false },
        "for": { "after": false },
        "while": { "after": false },
        "switch": { "after": false }
      }
    }],
    "comma-spacing": ["error", { "before": false, "after": true }],
    "comma-dangle": ["error", "never"],
    "space-infix-ops": ["error", {"int32Hint": false}],
    "no-trailing-spaces": "error",
    "no-undef": 2,
    "no-console": 2,
    "curly": ["error", "multi-line", "consistent"],
    "babel/new-cap": 1,
    "babel/object-curly-spacing": 1,
    "no-await-in-loop": 1,
    "flowtype/object-type-delimiter": 1,
    "babel/no-invalid-this": 1,
    "babel/object-curly-spacing": 0,
    "babel/new-cap": ["error", { "capIsNewExceptions": ["TODO"] }],
    "async-await/space-after-async": 2,
    "async-await/space-after-await": 2,
    "async/missing-await-in-async-fn": 1,
    "eol-last": ["error", "always"]
  }
}