.eslintrc

{
  "extends": "eslint:recommended",
  "parser": "babel-eslint",
  "parserOptions": {
    "ecmaVersion": 6,
    "sourceType": "module",
    "ecmaFeatures": {
      "experimentalObjectRestSpread": true
    }
  },
  "env": {
    "browser": true,
    "node": true,
    "es6": true,
    "jest": true
  },
  "rules": {
    "array-bracket-spacing": ["error", "never"],
    "array-callback-return": "error",
    "arrow-parens": ["error", "always"],
    "arrow-spacing": ["error", { "before": true, "after": true }],
    "brace-style": ["error", "1tbs"],
    "comma-dangle": ["error", "always-multiline"],
    "comma-style": ["error", "last"],
    "eqeqeq": "error",
    "indent": ["error", 2, { "SwitchCase": 1 }],
    "max-len": ["warn", 150],
    "no-array-constructor": "error",
    "no-case-declarations": "error",
    "no-confusing-arrow": "error",
    "no-console": ["error", { "allow": ["info", "warn", "error"] }],
    "no-else-return": "error",
    "no-duplicate-imports": "error",
    "no-multiple-empty-lines": ["error", { "max": 2 }],
    "no-multi-spaces": ["error", {"exceptions": { "AssignmentExpression": true, "VariableDeclarator": true, "ImportDeclaration": true, "Property": true }}],
    "no-new-object": "error",
    "no-param-reassign": "error",
    "no-unused-vars": ["error", { "vars": "local", "args": "after-used" }],
    "no-useless-escape": "error",
    "no-var": "error",
    "object-curly-spacing": ["error", "always"],
    "object-shorthand": ["error", "properties"],
    "one-var": ["error", "never"],
    "padded-blocks": ["error", "never"],
    "prefer-arrow-callback": "error",
    "prefer-const": "error",
    "prefer-template": "error",
    "quotes": ["error", "single"],
    "semi": ["error", "always"],
    "space-before-blocks": ["error", "always"],
    "space-infix-ops": ["error", {"int32Hint": false}],
  }
}