Check if addClass is truthy before adding it to element #81
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DOMTokenList::add() throws a DOMException if you try to add an empty string as a class. This check prevents this from happening so that you can set ValidationInputValidCssClassName etc. to an empty string if you don't want to add classes for valid input fields or messages for instance.
haacked
reviewed
Nov 2, 2023
| if (addClass && !element.classList.contains(addClass)) { | ||
| element.classList.add(addClass); | ||
| } | ||
| if (element.classList.contains(removeClass)) { |
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Does this throw if removeClass is blank? I wonder if we should protect against that too.
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Yes, it throws if you call element.classList.remove('') but the contains(removeClass) check prevents that from happening so I didn't add it for that case.
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Ah, makes sense. Thanks for following up and the contribution!
haacked
approved these changes
Nov 2, 2023
|
This is now live on NPM https://www.npmjs.com/package/aspnet-client-validation |
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DOMTokenList::add() throws a DOMException if you try to add an empty string as a class. This check prevents this from happening so that you can set ValidationInputValidCssClassName etc. to an empty string if you don't want to add classes for valid input fields or messages for instance.