Re: libseed-list Fwd: [Bug 610317] New: Provide a builtin dir() function

[Alan Knowles <alan akbkhome com>]

Apart from the rather awful name (When I first saw it, I expected it to 
scan directories) - A more generic function may be better..

Note: - this does not mess with prototypes, which can cause real 
nightmares..

Object.filter =  function(o, fn, scope){
           var ret = [];
           for(var p in o){
               if(fn.call(scope , o[p], p, o, ret) === false){ return ret; };
           }
	    return ret;
       };

Object.filter(obj, 
		function(v, k, o, ret) {
			 if (typeof(k) != 'number') ret.push(k);
		 }
      ).join(' ,');



It made me wonder how much of the JS 1.6 iterator support is available 
in webkit.. - never really looked at it, as it's been so mozilla 
specific before..
https://developer.mozilla.org/en/Core_JavaScript_1.5_Reference/Global_Objects/Array


Regards
Alan


Tim Horton wrote:
> Do people think this belongs on the Seed object (Seed.dir()) or should 
> it be global? We were trying not to clutter up the global namespace, 
> but making it global would probably make it more obvious for people 
> coming from elsewhere.
>
> Begin forwarded message:
>
> > *From: *"seed" (bugzilla.gnome.org <http://bugzilla.gnome.org>) 
> > <bugzilla gnome org <mailto:bugzilla gnome org>>
> > *Date: *February 17, 2010 17:11:02 EST
> > *To: *hortont424 gmail com <mailto:hortont424 gmail com>
> > *Subject: **[Bug 610317] New: Provide a builtin dir() function*
> >
> > https://bugzilla.gnome.org/show_bug.cgi?id=610317
> >  seed | libseed | git head
> >
> >           Summary: Provide a builtin dir() function
> >    Classification: Other
> >           Product: seed
> >           Version: git head
> >        OS/Version: Linux
> >            Status: UNCONFIRMED
> >          Severity: normal
> >          Priority: Normal
> >         Component: libseed
> >        AssignedTo: seed-maint gnome bugs
> >        ReportedBy: diegoe gnome org
> >      GNOME target: ---
> >     GNOME version: ---
> >
> >
> > Just like in Python, this is doable in Javascript easily:
> >
> > function dir(object)
> > {
> >    methods = [];
> >    for (z in object) if (typeof(z) != 'number') methods.push(z);
> >    return methods.join(', ');
> > }
> >
> > --
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