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Stuart Grimshaw

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Serialize a "Graphic" object's shapes to JSON

Post Posted: Sat Jun 30, 2012 3:27 pm
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When I try and serialize the shapes on a Graphic object, it throws Converting circular structure to JSON

My code looks like this:

Code:
    var shapes = FC.pitch.get('shapes');
    Y.one('#objects').set('text', Y.JSON.stringify(shapes, shapes));


How do you serialise the shapes on my Graphic?

Alberto Santini

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Re: Serialize a "Graphic" object's shapes to JSON

Post Posted: Sun Jul 01, 2012 12:08 am
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Hello Stuart.

The following snippet reproduce the case with a simple circular object:
http://jsfiddle.net/WkdE6/

The behaviour is correct and it depends on your graphic object.

However it seems there is a Douglas's implementation to workaround that:
https://github.com/douglascrockford/JSON-js

This is a review about cycle.js:
http://realgl.blogspot.it/2012/05/cyclic-json.html

And a working jsfiddle using that idea:
http://jsfiddle.net/snaGx/

Hope that helps,
IceBox

P.S.: If the serialization is required for debugging purpose, it may feasible to use the debugger tools.

Stuart Grimshaw

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Re: Serialize a "Graphic" object's shapes to JSON

Post Posted: Mon Jul 23, 2012 10:05 am
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Hi Alberto,

I'm trying to serialize the shapes on my Graphic object so I can save them to a remote server.

I take it the techniques you describe aren't built in to YUI be default?

Alberto Santini

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Re: Serialize a "Graphic" object's shapes to JSON

Post Posted: Mon Jul 23, 2012 10:18 am
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Hello Stuart.

Converting circular structure to JSON is not an issue related with YUI, but with JSON.

Regards,
IceBox

Stuart Grimshaw

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Re: Serialize a "Graphic" object's shapes to JSON

Post Posted: Mon Jul 23, 2012 11:17 pm
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I understand that normally it wouldn't be a YUI issue, but with the structure I'm serialising being an internal one to the YUI library, I thought it might be a common enough use case for engineers that it had been tackled already.
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