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Last Updated:
30 Sep 2025 12:43
by Holger
Created by:
Holger
Comments:
0
Category:
CheckBox
Type:
Bug Report
When setting the Checkbox component to disabled while the form is marked as touched, the k-invalid class is applied to the checkbox control.
That's because of the implementation of the isControlInvalid property:
public get isControlInvalid(): boolean {
return this.control && this.control.touched && !this.control.valid;
}
According to the Angular source code:
/**
* A control is `valid` when its `status` is `VALID`.
*
* @see {@link AbstractControl.status}
*
* @returns True if the control has passed all of its validation tests,
* false otherwise.
*/
get valid(): boolean;
So valid() returns false when `status` is DISABLED.
The `isControlInvalid`property should better implemented like this:
public get isControlInvalid(): boolean {
return this.control && this.control.touched && this.control.invalid;
}
Please check this Stackblitz: https://stackblitz.com/edit/angular-dznoe1xj?file=src%2Fapp%2Fapp.component.ts