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From Carlos Rovira <carlos.rov...@codeoscopic.com>
Subject Re: [FlexJS] Framework using externs (was: Setup Error)
Date Tue, 01 Dec 2015 20:53:36 GMT
That sounds really amazing. So in the beginning was a mix of AS3 and JS. If
JS didn't exit, then it was generated.
So, the strategy now is to have all in AS3 and *all* (or the most possible)
JS generated?

2015-12-01 20:37 GMT+01:00 Alex Harui <aharui@adobe.com>:

> On 12/1/15, 11:13 AM, "carlos.rovira@gmail.com on behalf of Carlos Rovira"
> <carlos.rovira@gmail.com on behalf of carlos.rovira@codeoscopic.com>
> wrote:
> >Hi Alex, that sounds amazing.
> >
> >One question for me is what you refer as "externs". Could you share what
> >this means?
> Externs are like header files for JS libraries.  Michael Schmalle made it
> possible to create a SWC like our js.swc that contains the
> playerglobal.swc equivalent for the browser.  It contains HTMLElement,
> Document, Window, XMLHTTPRequest, etc.  The source for the externs comes
> from Google Closure Library.
> This allows us to write fully functional JS applications and frameworks by
> writing them in AS, even in an IDE with code completion, and outputting
> JS.  The FlexJS 0.5.0 framework currently consists of thousands of lines
> of JS code handwritten by Peter and I and others.  We are almost done
> rewriting those JS files in AS.  The advantages are significant.  The
> compiler catches things sooner, we don't waste time forgetting to type
> 'this.' or debugging when we do, we don't waste time typing out package
> path names, etc.  Also, the AS code for the SWF and the JS code for the
> browser for any particular component often shared quite a bit of code and
> now all that shared code is in one file with conditional compiles for JS
> or SWF-specific code.  In the end, I now strongly believe that AS is a
> better language for writing JS.
> I expect that we'll be able to create components in FlexJS much more
> quickly this way.
> -Alex


Carlos Rovira
Director General
M: +34 607 22 60 05

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