Created
November 17, 2010 22:20
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adding "queueing" to LABjs dynamically, to be able to simulate the $LAB chain dynamically with a for-loop
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <title>LABjs Demo</title> | |
| <script src="/js/queue.LAB.js"></script> | |
| <script> | |
| // adding `false` in the queue will signifiy an empty .wait() in the $LAB chain | |
| $LAB.queue("http://ajax.googleapis.com/ajax/libs/jquery/1.4.3/jquery.min.js", false); | |
| $LAB.queue("http://ajax.googleapis.com/ajax/libs/jqueryui/1.8.6/jquery-ui.min.js", false); | |
| if (_is_IE) $LAB.queue("/js/ie-only.js"); | |
| </script> | |
| </head> | |
| <body> | |
| <!-- other stuff --> | |
| <script> | |
| $LAB.queue("/js/mypage1.js"); | |
| </script> | |
| <!-- more stuff --> | |
| <script> | |
| $LAB.queue("/js/myinit.js",function(){ | |
| $(document).ready(function(){ | |
| myinit(); | |
| // other stuff | |
| }); | |
| }); | |
| </script> | |
| <!-- still more stuff --> | |
| <script> | |
| $LAB.executeQueue(); | |
| </script> | |
| </body> | |
| </html> |
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| /*! LAB.js v1.2.0 (c) Kyle Simpson MIT License */ | |
| /* INCLUDE THE MINIFIED LAB.js CODE HERE */ | |
| // add some boilerplate "queue" behavior for use with LABjs | |
| $LAB._queue = []; | |
| $LAB.queue = function() { | |
| Array.prototype.push.apply($LAB._queue,arguments); | |
| return this; | |
| }; | |
| $LAB.executeQueue = function() { | |
| var $L = $LAB; | |
| for (var i=0, len=$LAB._queue.length; i<len; i++) { | |
| if (typeof $LAB._queue[0] == "string") { | |
| $L = $L.script($LAB._queue[0]); | |
| } | |
| else if ($LAB._queue[0] === false) { | |
| $L = $L.wait(); | |
| } | |
| else { | |
| $L = $L.wait($LAB._queue[0]); | |
| } | |
| $LAB._queue.shift(); // remove first element from the _queue | |
| } | |
| $LAB._queue = []; | |
| }; |
@rmaksim -- good catches... this was a hastily written snippet while I was giving my #jqsummit talk. :) I've updated the code accordingly.
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$LAB.queue = function() {
Array.prototype.push.apply($LAB._queue,arguments); // !!!
return this; // !!!
};
if (typeof $LAB._queue[0] == "string") {
$L = $L.script($LAB._queue[0]); // !!! [0] instead of [i]
}