casper js add cookies,extend phatom.addCookie()

casper.addcookies.js

casper.__addCookies = function (cookies) {
  if (Array.isArray(cookies)) {
    cookies.forEach(function(cookie) {
      if (typeof cookie === 'object') {
        phantom.addCookie(cookie);
      } else {
        this.log('its a object like {name: xxxx, value: xxxx...}?', 'warning');
      }
      
    });
  } else {
    this.log('not an array of cookies', 'warning');
  }
}


casper.addCookies = function(arg) {
  if (typeof arg === 'string') {
    var jsons = require(arg);
    this.__addCookies(jsons);
  } else {
    this.__addCookies(arg);
  }
}