.eslintrc

{
  "root": true,
  "extends": [
    "eslint:recommended"
  ],
  "parserOptions": {
    "ecmaVersion": 5
  },
  "env": {
    "commonjs": true
  },
  "globals": {
    "Promise": true,
    "Float32Array": true,
    "Float64Array": true,
    "Uint8Array": true,
    "Int8Array": true,
    "Uint8ClampedArray": true,
    "Int16Array": true,
    "Uint16Array": true,
    "Int32Array": true,
    "Uint32Array": true,
    "ArrayBuffer": true,
    "DataView": true,
    "SVGElement": false
  },
  "rules": {
    "no-trailing-spaces": [2],
    "no-multiple-empty-lines": [2, {"max": 2, "maxEOF": 0}],
    "eol-last": [2],
    "indent": [0],
    "indent-legacy": [2, 4, {"SwitchCase": 1}],
    "max-len": [0, 80],
    "brace-style": [2, "1tbs", {"allowSingleLine": true}],
    "curly": [2, "multi-line"],
    "camelcase": [2, {"properties": "never"}],
    "comma-spacing": [2, {"before": false, "after": true}],
    "comma-style": [2, "last"],
    "semi": [2],
    "semi-spacing": [2, {"before": false, "after": true}],
    "key-spacing": [2, {"beforeColon": false, "afterColon": true}],
    "keyword-spacing": [2, {"overrides": {
      "if": {"after": false},
      "for": {"after": false},
      "while": {"after": false},
      "switch": {"after": false},
      "catch": {"after": false}
    }}],
    "no-spaced-func": [2],
    "space-in-parens": [2, "never"],
    "space-before-function-paren": [2, "never"],
    "space-before-blocks": [2],
    "padded-blocks": [2, "never"],
    "spaced-comment": [2, "always"],
    "no-tabs": [2],
    "no-multi-spaces": [2, {"ignoreEOLComments": true}],
    "no-whitespace-before-property": [2],
    "no-unexpected-multiline": [2],
    "no-floating-decimal": [2],
    "space-infix-ops": [2, {"int32Hint": true}],
    "quotes": [2, "single"],
    "quote-props": ["error", "as-needed"],
    "dot-notation": [2],
    "dot-location": [2, "property"],
    "operator-linebreak": [2, "after"],
    "eqeqeq": [2],
    "new-cap": [2, { "capIsNewExceptionPattern": "^MathJax\\.." }],
    "no-redeclare": [2, {"builtinGlobals": true}],
    "no-shadow": [0, {"builtinGlobals": true}],
    "block-scoped-var": [2],
    "no-unused-vars": [2],
    "one-var": [2, {"initialized": "never"}],
    "no-undef-init": [2],
    "no-use-before-define": [2, "nofunc"],
    "no-loop-func": [2],
    "no-console": [0],
    "no-unused-labels": [2],
    "no-useless-escape": [0],
    "func-name-matching": ["error", "always"],
    "no-prototype-builtins": [0]
  }
}