Asset.image - Catch HTTP 500 Response

[Jed Leslie]

Hi Everybody - 

I'm using Asset.image to load a dynamically generated chart image.   Sometimes the image will be unable to load and will bubble up an exception explaining to the user why the chart failed with a HTTP 500 error response.  

Asset.image has an error event which passes the image into the error handler, but not the underlying response (and the error text I need to show the user).  

Before I go modifying the MooTools core, does anybody know of a supported way to get this response? 

Let me know if I'm being unclear.  Thanks in advance.

Jed

[Aicke Schulz]

Hi,

I tried to get some useful informations from the native onerror: http://jsfiddle.net/yB3t8/
As far as I can see there is nothing useful in it. Maybe you can modify the example with your specific image url so you see if it will be different.

Aicke

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[Dimitar Christoff]

this won't be intercepted. error can be anything but in the context of an image it just means src was set to something that isn't. only way to handle your use case is to get the images via Request and check response. onSuccess you can base64 the img src with the response or do whatever otherwise 

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Dimitar Christoff

"JavaScript is to JAVA what hamster is to ham"
@D_mitar - https://github.com/DimitarChristoff

[Jed Leslie]

As expected.  Thanks for the help!

On Thursday, May 8, 2014 1:09:11 PM UTC-4, Dimitar Christoff wrote:

this won't be intercepted. error can be anything but in the context of an image it just means src was set to something that isn't. only way to handle your use case is to get the images via Request and check response. onSuccess you can base64 the img src with the response or do whatever otherwise 

On Thursday, May 8, 2014, Aicke Schulz <aicke....@gmail.com> wrote:

Hi,

I tried to get some useful informations from the native onerror: http://jsfiddle.net/yB3t8/
As far as I can see there is nothing useful in it. Maybe you can modify the example with your specific image url so you see if it will be different.

Aicke

Am 07.05.2014 17:27, schrieb Jed Leslie:

Hi Everybody - 

I'm using Asset.image to load a dynamically generated chart image.   Sometimes the image will be unable to load and will bubble up an exception explaining to the user why the chart failed with a HTTP 500 error response.  

Asset.image has an error event which passes the image into the error handler, but not the underlying response (and the error text I need to show the user).  

Before I go modifying the MooTools core, does anybody know of a supported way to get this response? 

Let me know if I'm being unclear.  Thanks in advance.

Jed

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