.eslintrc

{
  "extends": [
    "eslint:recommended"
  ],
  "parserOptions": {
    "ecmaVersion": 2018
  },
  "rules": {
    // Override recomennded
    "no-console": [
      2,
      {
        "allow": [
          "warn"
        ]
      }
    ],
    "no-empty": [
      2,
      {
        "allowEmptyCatch": true
      }
    ],
    "no-unused-vars": [
      2,
      {
        "args": "none"
      }
    ],
    // Possible Errors
    "no-extra-parens": [
      2,
      "all",
      {
        "conditionalAssign": false,
        "returnAssign": false,
        "nestedBinaryExpressions": false,
        "enforceForArrowConditionals": false
      }
    ],
    // Best Practices
    "array-callback-return": 2,
    "block-scoped-var": 2,
    "curly": [
      2,
      "multi-line"
    ],
    "dot-location": [
      2,
      "property"
    ],
    "dot-notation": 2,
    "eqeqeq": [
      2,
      "smart"
    ],
    "no-else-return": 2,
    "no-eval": 2,
    "no-extend-native": 2,
    "no-extra-bind": 2,
    "no-extra-label": 2,
    "no-implicit-globals": 2,
    "no-implied-eval": 2,
    "no-lone-blocks": 2,
    "no-loop-func": 2,
    "no-multi-spaces": [
      2,
      {
        "exceptions": {
          "ImportDeclaration": true,
          "VariableDeclarator": true,
          "FunctionDeclarator": true,
          "AssignmentExpression": true,
          "CallExpression": true
        }
      }
    ],
    "no-multi-str": 2,
    "no-new": 2,
    "no-new-func": 2,
    "no-new-wrappers": 2,
    "no-proto": 2,
    "no-return-assign": 2,
    "no-self-compare": 2,
    "no-sequences": 2,
    "no-throw-literal": 2,
    "no-unused-expressions": [
      2,
      {
        "allowShortCircuit": true,
        "allowTernary": true
      }
    ],
    "no-useless-call": 2,
    "no-useless-concat": 2,
    "no-useless-return": 2,
    "no-void": 2,
    "no-with": 2,
    "prefer-promise-reject-errors": 2,
    "radix": 2,
    "wrap-iife": [
      2,
      "inside"
    ],
    "yoda": 2,
    // Variables
    "no-label-var": 2,
    "no-shadow-restricted-names": 2,
    "no-undef-init": 2,
    // Node.js and CommonJS
    "handle-callback-err": 2,
    "no-path-concat": 2,
    // Stylistic Issues
    "array-bracket-spacing": 2,
    "block-spacing": 2,
    "brace-style": [
      2,
      "1tbs",
      {
        "allowSingleLine": true
      }
    ],
    "comma-dangle": 2,
    "comma-spacing": 2,
    "comma-style": 2,
    "computed-property-spacing": 2,
    "eol-last": 2,
    "func-call-spacing": 2,
    "indent": [
      2,
      2,
      {
        "SwitchCase": 1,
        "VariableDeclarator": {
          "var": 2,
          "let": 2,
          "const": 3
        }
      }
    ],
    "key-spacing": [
      2,
      {
        "align": "colon",
        "beforeColon": false
      }
    ],
    "keyword-spacing": 2,
    "linebreak-style": ["off", "window"],
    "lines-around-comment": 2,
    "new-cap": [
      2,
      {
        "capIsNew": false
      }
    ],
    "new-parens": 2,
    "no-array-constructor": 2,
    "no-mixed-operators": 2,
    "no-multiple-empty-lines": 2,
    "no-nested-ternary": 2,
    "no-new-object": 2,
    "no-trailing-spaces": 2,
    "no-unneeded-ternary": 2,
    "no-whitespace-before-property": 2,
    "object-curly-spacing": [
      2,
      "always"
    ],
    "one-var": [
      2,
      {
        "uninitialized": "always",
        "initialized": "never"
      }
    ],
    "operator-linebreak": [
      2,
      "before"
    ],
    "quotes": [
      2,
      "single"
    ],
    "semi": 2,
    "semi-spacing": 2,
    "space-before-blocks": 2,
    "space-before-function-paren": [
      2,
      "never"
    ],
    "space-in-parens": 2,
    "space-infix-ops": 2,
    "space-unary-ops": 2,
    "template-tag-spacing": 2,
    "unicode-bom": 2,
    // ECMAScript 6
    "arrow-spacing": 2,
    "generator-star-spacing": [
      2,
      "after"
    ],
    "no-confusing-arrow": [
      2,
      {
        "allowParens": true
      }
    ],
    "no-duplicate-imports": 2,
    "no-useless-computed-key": 2,
    "no-useless-constructor": 2,
    "no-useless-rename": 2,
    "rest-spread-spacing": 2,
    "template-curly-spacing": 2,
    "yield-star-spacing": 2
  },
  "env": {
    "browser": true,
    "jquery": true,
    "mocha": true,
    "node": true,
    "es6": true
  }
}