While setting up my coding examples for my next Pluralsight course on InDepth Knockout Validation (check out my HTML for Xaml Dev or Knockout for Xaml Dev) I was stumped because my custom validators were not working as expected. In fact they were not working at ALL.
As I started to debug my code I set a few break points and immediately I saw the issue. The initialization of my custom rules was being hit AFTER my view model was bound to my context
I had my Rules setup as follows:
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Any my VM Binding setup as follows:
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Given that I knew the order execution of my code was not right, does any one know why? I mean I did reference the .js for my rule prior to my inline function.
Well the reason was that I was not being consistent. In my rule I was using jQueries Document Ready but in my view I was using a Self Executing function. And the issue is that the jQuery Document ready will be executed AFTER the DOM is completely loaded while the Self Executing function will execute immediately.. DOH I knew this was how the 2 worked but my inconsistent coding habits got me in trouble.
Once I wrapped my rule in an Self Executing function as below the world was a happy place, for me at least.
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Till next time,
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