10 lines
454 B
TypeScript
10 lines
454 B
TypeScript
import {ErrorStateMatcher} from '@angular/material/core';
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import {FormControl, FormGroupDirective, NgForm} from '@angular/forms';
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export class CustomErrorStateMatcher implements ErrorStateMatcher{
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isErrorState(control: FormControl | null, form: FormGroupDirective | NgForm | null): boolean {
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const isSubmitted: boolean = form && form.submitted;
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return !!(control && control.invalid && (control.dirty || control.touched || isSubmitted));
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}
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}
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