I was trying to figure out the same, but when I searched for the error, I see people saying, it was not able to overcome this error.
So when you don't find a solution to your problem, always go vanilla.
Solution:
Add a Mask Helper in your project
export function MaskedDate(event: any) {
var v = event.target.value;
if (v.match(/^\d{2}$/) !== null) {
event.target.value = v + '/';
} else if (v.match(/^\d{2}\/\d{2}$/) !== null) {
event.target.value = v + '/';
}
}
at your component:
import { MaskedDate } from './helpers/mask.helper';
Declare the property in your component:
dateMask = MaskedDate;
In your component html:
<input style="float:none" (keyup)="dateMask($event)" formControlName="birth_date" placeholder="Select a date" ngx-mydatepicker [options]="myOptions" #dp="ngx-mydatepicker"/>
You can still use text-mask with other inputs, no problem.