add remote JS via module -- bypass cache

[MrGumby]

Hello,

 

I want add remote JS to page on hook. In module, I simply call

$this->context->controller->addJS('//my.remote.js')

and it worked on my development site, but as I uploaded it on production site, where is enabled smarty JS cache, it's not working, because Presta tries to encode it into cache from local file, which doesn't exists.

 

I want preserve smarty JS cache, and I also want to keep JS on remote server, so the solution would be bypass the cache somehow, but if I write script tag into template .tpl, the script is also cached (it is so Smart, maybe little bit too much

 

So, is there any way around?

Edited June 13, 2014 by MrGumby (see edit history)

[MrGumby]

First solution:

 

use javascript to load external script:

function loadScript() {
	var script = document.createElement('script');
	script.type = 'text/javascript';
	script.src = 'http://my.remote.js';
	document.body.appendChild(script);
}

or jQuery:

$.getScript( "http://my.remote.js" ).done(function(script, textStatus ) {
          // callback
[spam-filter]);

there is only problem with asynchronous loading and caching remote file, but it can be (more or less) solved by not using shorthand $.getScript, but $.ajax:

$.ajax({
   url: 'http://my.remote.js',
   async: false,
   dataType: "script",
   cache: true,
   success: callback()
});

but for me the jQuery do not worked, the script was loaded but callback was called after successful  loading  of the script, but before the remote script was executed. Because I downloaded remote file from google, I used their solution to this: I used plain JS function, inserted myCallback into global scope and then pass name of callback to the URL as GET parameter "callback":

script.src = 'https://remote.google.js&' +
		'callback=myCallback';

at the end of remote.google.js it calls window.myCallback() -- this way it works for me.

 

 

//EDIT: still curious if there is any PS solution to bypass cache

Edited June 13, 2014 by MrGumby (see edit history)