Tiny Bookmarklet for swapping between sites

hotswap

(function(w) {

  var HotSwap = function () {
  	this.version = 2;
    this.storageKey = 'LAHotSwapTarget_' + this.version;
  }

  HotSwap.prototype.init = function() {
    var dest = window.localStorage.getItem( this.storageKey );

    if ( !dest ) {
    	dest = prompt ("No target domain found", window.location.host.replace('www\.','') );

      if (!dest) return;

    	window.localStorage.setItem( this.storageKey , 'http://' + dest);
    }

    this.navigateTo( dest + window.location.pathname + window.location.search );
  }

  HotSwap.prototype.navigateTo = function(url) {
    if (!url.match(/^http/))
      url = '//' + url;

    window.location = url;
  }

  HotSwap.prototype.isLocal = function() {
  	return window.location.host.match('.dev');
  }

  w.LAHotSwap = new HotSwap();

  w.LAHotSwap.init();
}(window));