.eslintrc

{
  "env": {
    "browser": true,
    "commonjs": true,
    "es6": true
  },
  "extends": [
    "eslint:recommended",
    "idiomatic"
  ],
  "parserOptions": {
    "sourceType": "module",
    "ecmaVersion": 2017
  },
  "rules": {
    "space-before-blocks": 0,
    "space-before-function-paren": ["error", {
        "anonymous": "never",
        "named": "never",
        "asyncArrow": "always"
    }],
    "keyword-spacing": 0,
    "one-var": 0,
    "func-names": 0,
    "vars-on-top": 0,
    "semi": [
      "error",
      "always"
    ],
    "indent": [
      "error",
      2,
      {
        "SwitchCase": 1
      }
    ],
    "space-in-parens": [
      "error",
      "always",
      {
        "exceptions": [
          "{}",
          "()",
          "[]"
        ]
      }
    ],
    "array-bracket-spacing": [
      "error",
      "always",
      {
        "objectsInArrays": false,
        "arraysInArrays": false
      }
    ],
    "one-var-declaration-per-line": [
      "error",
      "always"
    ],
    "brace-style": [
      "error",
      "stroustrup",
      {
        "allowSingleLine": true
      }
    ],
    "padding-line-between-statements": [
      "error",
      {
        "blankLine": "always",
        "prev": [
          "const",
          "let",
          "var"
        ],
        "next": "*"
      },
      {
        "blankLine": "any",
        "prev": [
          "const",
          "let",
          "var"
        ],
        "next": [
          "const",
          "let",
          "var"
        ]
      },
      {
        "blankLine": "always",
        "prev": "directive",
        "next": "*"
      },
      {
        "blankLine": "any",
        "prev": "directive",
        "next": "directive"
      },
      {
        "blankLine": "always",
        "prev": "*",
        "next": "return"
      }
    ]
  }
}