jQuery UI does a similar thing (overriding .remove() to generate a
.trigger("remove") event). Would something like that work for your
needs?
--John
On Mon, Dec 14, 2009 at 11:43 AM, Justin Meyer <justinbme...@gmail.com> wrote:
> Is there a 'teardown' for plugins that can get triggered automatically
> (similar to that for events)?
>
> It's extremely common, and a source of bugs when I see:
>
> $.fn.mySuperPlugin = function(){
> ...code ...
> $(document).click(function(e) { ...code... });
> ...code...
> }
>
> Yes, they should be doing adding/removing this event listener every
> time their widget 'comes to life'. But there are cases where even
> this doesn't work.
>
> I think I remember John talking about this when we were discussing
> "jQuery Enterprise". It was something like:
>
> $.fn.extend("pluginName",{
> setup: function( ...),
> teardown: function( ...)
> })
>
> In JMVC, I've hacked .remove() to enable plugins to write 'teardown'
> functionality. For jQuery, when you use the fn.extend function, it
> will wrap setup with something that would add teardown to something
> like:
>
> $(el).data("plugins")["pluginName"] = teardown.
>
>
> When remove() is called, it will get all the plugins on the current
> element, and call their teardown code.
>
> Someone would also be able to remove a single plugin like:
>
> $(el).data("plugins")["pluginName"]()
>
>
> Ugly, but the case where you want to remove just one plugin is rare.
>
> Thoughts?
>
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