calvinfroedge · August 29, 2015 14:21
diff --git a/gistfile1.txt b/gistfile1.txt
  /**
   * Load and cache JSONP data
   */
  var loadJSONP = function ( url, callback ) {
    var setLocalData = false;

    /*
     * Setting a variable callback method since we're writing to window
     */
    var callbackMethod = url.replace(/[^a-z0-9]/g, '_')
    /*
     * Send data to the callback function, caching data if needed
     */
    window[callbackMethod] = function(data){
      if(setLocalData){
        //Cache for 1 day
        var d = new Date();
        d.setDate(d.getDate()+1);
        localStorage.setItem(url, JSON.stringify({expiry: d.getTime(), value: data}));
      }

      window[callback](data);
    }

    /*
     * Make the JSONP request
     */
    function requestDataFromRemote(){
      // Create script with url and callback (if specified)
      var ref = window.document.getElementsByTagName( 'script' )[ 0 ];
      var script = window.document.createElement( 'script' );
      script.src = url + (url.indexOf( '?' ) + 1 ? '&' : '?') + 'callback='+callbackMethod

      // Insert script tag into the DOM (append to <head>)
      ref.parentNode.insertBefore( script, ref );

      // After the script is loaded (and executed), remove it
      script.onload = function () {
          this.remove();
      };
    }

    var stored = localStorage.getItem(url);
    if(stored){
      console.log('stored');
      var now = (new Date()).getTime();
      var json = JSON.parse(stored);

      console.log('expiry', json.expiry, 'now', now);
      if(json.expiry > now){
        console.log('this one');
        window[callbackMethod](json.value);
      } else {
        console.log('that one');
        localStorage.removeItem(url);
        setLocalData = true;
        requestDataFromRemote();
      }
    } else {
      setLocalData = true;
      requestDataFromRemote();
    }
  };
	/**
	* Load and cache JSONP data
	*/
	var loadJSONP = function ( url, callback ) {
	var setLocalData = false;

	/*
	* Setting a variable callback method since we're writing to window
	*/
	var callbackMethod = url.replace(/[^a-z0-9]/g, '_')
	/*
	* Send data to the callback function, caching data if needed
	*/
	window[callbackMethod] = function(data){
	if(setLocalData){
	//Cache for 1 day
	var d = new Date();
	d.setDate(d.getDate()+1);
	localStorage.setItem(url, JSON.stringify({expiry: d.getTime(), value: data}));
	}

	window[callback](data);
	}

	/*
	* Make the JSONP request
	*/
	function requestDataFromRemote(){
	// Create script with url and callback (if specified)
	var ref = window.document.getElementsByTagName( 'script' )[ 0 ];
	var script = window.document.createElement( 'script' );
	script.src = url + (url.indexOf( '?' ) + 1 ? '&' : '?') + 'callback='+callbackMethod

	// Insert script tag into the DOM (append to <head>)
	ref.parentNode.insertBefore( script, ref );

	// After the script is loaded (and executed), remove it
	script.onload = function () {
	this.remove();
	};
	}

	var stored = localStorage.getItem(url);
	if(stored){
	console.log('stored');
	var now = (new Date()).getTime();
	var json = JSON.parse(stored);

	console.log('expiry', json.expiry, 'now', now);
	if(json.expiry > now){
	console.log('this one');
	window[callbackMethod](json.value);
	} else {
	console.log('that one');
	localStorage.removeItem(url);
	setLocalData = true;
	requestDataFromRemote();
	}
	} else {
	setLocalData = true;
	requestDataFromRemote();
	}
	};