.eslintrc.json

{
  "extends": [
    "standard"
  ],
  "parser": "babel-eslint",
  "env": {
    "browser": true,
    "node": true,
    "es6": true,
    "jest": true
  },
  "parserOptions": {
    "ecmaVersion": 6,
    "sourceType": "module",
    "ecmaFeatures": {
      "jsx": true,
      "modules": true,
      "globalReturn": true
    }
  },
  "rules": {
    "curly": ["error", "all"],
    "comma-dangle": ["error", "always-multiline"],
    "keyword-spacing": ["error", { "overrides": {
      "if": { "after": false },
      "for": { "after": false },
      "while": { "after": false }
    }}],
    "spaced-comment": ["error", "always", {
      "line": { "exceptions": ["/"], "markers": ["/"] },
      "block": { "exceptions": ["*"], "markers": ["/"], "balanced": true }
    }],
    "space-before-function-paren": ["error", { "anonymous": "never", "named": "never", "asyncArrow": "always" }],
    "prefer-promise-reject-errors": ["off"],
    "no-multiple-empty-lines": ["error", { "max": 2, "maxEOF": 0, "maxBOF": 0 }],
    "no-unused-vars": ["error", {"args": "none"}],
    "object-curly-spacing": ["error", "always"]
  }
}