fix(input): update $viewValue when cleared#14772
fix(input): update $viewValue when cleared#14772wesleycho wants to merge 1 commit intoangular:masterfrom
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Cool! I believe writing a test is difficult because we can't click the clear button? |
wesleycho
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Yeah - fussing around with this a bit to get the right condition currently, but I think the right fix might be attainable here. |
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This is a little tough - so falsy model changes will convert to the empty string, so this potentially breaks some behavior. Any ideas on good workarounds for that situation? |
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src/ng/directive/input.js
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| var timeout; | ||
| var timeout, oldVal; | ||
| var viewValueUpdated = true, msieInput = msie >= 10 && msie <= 11; | ||
| if (msieInput && inputType === 'text') { |
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Why only text inputs? Won't types such as number have the same issue?
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Looks like you're correct - I assumed it would have the spinner, but apparently not.
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| function ieListener(ev) { | ||
| var val = element.val(); | ||
| if (val === oldVal && !viewValueUpdated) return; |
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Is it possible that the validity changed but the value did not (similar to the value === '' && ctrl.$$hasNativeValidators check in listener)? Although I'm not seeing how that would have been handled previously either (in the !hasEvent('input') case)...
src/ng/directive/input.js
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| var timeout; | ||
| var timeout, oldVal; | ||
| var viewValueUpdated = false, msieInput = msie >= 10 && msie <= 11; | ||
| if (msieInput && attr.type in IE_INPUTS_WITH_CLEARING) { |
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Why do we even care about the type for setting the initial oldVal though? I'd think we'd always want to setup the oldVal if msieInput is true...
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Wouldn't that trigger a potentially unnecessary DOM access though? That is likely more expensive than this check I think. I originally had it just accessing the value, I'd be fine changing it back.
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If we keep it I think it should be part of the msieInput condition, not this setup condition.
But I'd think element.val() is cheap enough it doesn't matter.
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There are some complicated scenarios I'm having trouble figuring out a good solution to. Here is an incomplete table:
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- Fix when user clicks clear button in an input element in IE, $viewValue not being correctly updated
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Wouldn't it be easier to just add an extra listener on IEs: element.on('??mousedown/mouseup/click??', function(event) {
deferListener(event, this, this.value);
}); |
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@wesleycho Do you still want to work on this? |
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Don't have the bandwidth anymore :( . |
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What's the status on this issue (not doubt i'm not the only one encountering this) |
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It has been abandoned (afaict) 😁 |
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This should fix #11193.