.jshintrc

{
    "curly": true,        // Require {} for every new block or scope
    "eqeqeq": true,       // Require triple equals (===) for comparison
    "immed": true,        // Require immediate invocations to be wrapped in parens e.g. `(function () { } ());`
    "latedef": true,      // Require variables/functions to be defined before being used
    "newcap": true,       // Require capitalization of all constructor functions e.g. `new F()`
    "noarg": true,        // Prohibit use of `arguments.caller` and `arguments.callee`
    "undef": true,        // Require all non-global variables to be declared (prevents global leaks)
    "unused": false,       // Warns when you define and never use your variables
    "node": true ,        // Node.js
    "bitwise": true,      // Prohibits the use of bitwise operators such as ^ (XOR), | (OR)
    "indent": 2,          // Enforces specific tab width for your code
    "noempty": true,      // Warns when you have an empty block in your code
    "quotmark": "single", // Enforces the consistency of quotation marks
    "strict": false,      // Requires all functions to run in ECMAScript 5's strict mode
    "trailing": true,     // Makes it an error to leave a trailing whitespace in your code
    "forin": true,        // Requires all for in loops to filter object's items
    "globals": {
      "__dirname": false,
      "expect": false,
      "it": false,
      "describe": false
    }
}