/Javascript/AngularJS/Angular form validation whitespace

Angular form validation whitespace

public noWhitespaceValidator(control: FormControl) {
    const isWhitespace = (control.value || '').trim().length === 0;
    const isValid = !isWhitespace;
    return isValid ? null : { 'whitespace': true };
}

Source: stackoverflow.com

Angular form validation whitespace

<div *ngIf="yourForm.hasError('whitespace')">Please enter valid data</div>

Source: stackoverflow.com

Angular form validation whitespace

new FormControl(field.fieldValue || '', [Validators.required, this.noWhitespaceValidator])

Source: stackoverflow.com

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