Ordering of block content across view types

Hi all

How does CakePHP know to put block content in the right order, for block content generated by different view types?

For example, you may add scripts in the layout, and you may add scripts in the view.  When the scripts block is rendered, layout scripts will appear before view scripts, even though the view is actually rendered before the layout.

I'm toying with a helper to assist with deferred loading, as described here : https://developers.google.com/speed/docs/best-practices/payload#DeferLoadingJS

So, I'm doing a DeferJsLoadHelper that extends the HtmlHelper.  It overrides script() to add the url to a list, and then I have a deferredBlock() that will create the script as seen in the link, though creating multiple script elements and appending them to the document.body.

However, scripts in my view are getting added to the top of the list, which is an issue, because the view scripts are dependent on the layout scripts getting loaded first (a jQuery dependency).

Somehow HtmlHelper->script() and css() manages to get it right, and I just can't see how it's doing it.

Regards

Reuben Helms

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