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Posted to users@flex.apache.org by Tucsonjhall <Jh...@cactusware.com> on 2019/10/10 15:04:39 UTC

Flattening a nested array of asymetrical depth

I'm working with nested arrays of divisions in sports and need to flatten a
nested array of divisions and subdivisions to find all instances of
"division." I've been stumped how to recurse that structure so that I'm sure
I traverse all branches of the array without arbitrarily setting a limit of
how deep I will go searching for children. Suggestions on a script that
should flatten any array of objects with children?

Thanks!



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Re: Flattening a nested array of asymetrical depth

Posted by Tucsonjhall <Jh...@cactusware.com>.
Thanks Alex



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Re: Flattening a nested array of asymetrical depth

Posted by Alex Harui <ah...@adobe.com.INVALID>.
The Apache Royale Compiler will transpile your AS3 to JS for you.  That's the main point of Royale.  Keep your code strongly-typed so the tool chain can catch more errors sooner so there are fewer times you crash and burn.

-Alex

On 10/10/19, 9:25 AM, "Tucsonjhall" <Jh...@cactusware.com> wrote:

    I appreciate it and I know I should be able to translate JS into strongly
    typed AS3 but I often crash and burn because of the syntax differences. On
    my todo list ;-)
    
    
    
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Re: Flattening a nested array of asymetrical depth

Posted by Tucsonjhall <Jh...@cactusware.com>.
Well as I suspected, my attempt to translate such symbols as => didn't go
well given my limited knowledge of JS. One important thing I left out. There
IS consistency in the naming that I  forgot to mention. All the objects have
children in the form of an array named children. Does that make it any
easier?


Softball Minors (object) 
	children (array)
			East (object)
			West (object)
Softball Majors (object)
	children (array)
		National (object)
			children (array)
				East (object)
				West (object)
		American (object)
			children (array)
				East (object)
				West (object)
		Independent (object)
			children (array)
				East
					children (array)
						Blue
						Green
				West
					children (array)
						Orange
						Yellow



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Re: Flattening a nested array of asymetrical depth

Posted by Tucsonjhall <Jh...@cactusware.com>.
Will give it a shot. Thanks much.



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Re: Flattening a nested array of asymetrical depth

Posted by kamcknig <ka...@gmail.com>.
So my example will still work though because your 'nodes' don't have
consistent naming, you'll probably have to add some data to the levels that
you want to extract into the flattened array and then where I'm checking for
"division" you would check for the new data that indicates it's at the level
you want to extract.

As for JS to AS, technically I did it in TypeScript. But it should be
directly portable aside from the types being used (just translate to as
types) and then the Array.isArray is specific to JS



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Re: Flattening a nested array of asymetrical depth

Posted by Tucsonjhall <Jh...@cactusware.com>.
I appreciate it and I know I should be able to translate JS into strongly
typed AS3 but I often crash and burn because of the syntax differences. On
my todo list ;-)



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Re: Flattening a nested array of asymetrical depth

Posted by kamcknig <ka...@gmail.com>.
Done in JS and def could be optimized. I have no idea on your data structure
or what you want the final structure to be.

https://pastebin.com/p0j2uTnp

Kyle



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Re: Flattening a nested array of asymetrical depth

Posted by Tucsonjhall <Jh...@cactusware.com>.
Hope the formatting of this comes out OK in post. Here's a typical structure.

Softball Minors
	East
	West
Softball Majors
	National
		East
		West
	American
		East
		West
	Independent
		East
			Blue
			Green
		West
			Orange
			Yellow



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