/Javascript/AngularJS/Angular format phone number while typing

Angular format phone number while typing

export class PhoneMaskDirective {

  constructor(public ngControl: NgControl) { }

  @HostListener('ngModelChange', ['$event'])
  onModelChange(event) {
    this.onInputChange(event, false);
  }

  @HostListener('keydown.backspace', ['$event'])
  keydownBackspace(event) {
    this.onInputChange(event.target.value, true);
  }


  onInputChange(event, backspace) {
    let newVal = event.replace(/\D/g, '');
    if (backspace && newVal.length <= 6) {
      newVal = newVal.substring(0, newVal.length - 1);
    }
    if (newVal.length === 0) {
      newVal = '';
    } else if (newVal.length <= 3) {
      newVal = newVal.replace(/^(\d{0,3})/, '($1)');
    } else if (newVal.length <= 6) {
      newVal = newVal.replace(/^(\d{0,3})(\d{0,3})/, '($1) $2');
    } else if (newVal.length <= 10) {
      newVal = newVal.replace(/^(\d{0,3})(\d{0,3})(\d{0,4})/, '($1) $2-$3');
    } else {
      newVal = newVal.substring(0, 10);
      newVal = newVal.replace(/^(\d{0,3})(\d{0,3})(\d{0,4})/, '($1) $2-$3');
    }
    this.ngControl.valueAccessor.writeValue(newVal);
  }
}

Source: stackoverflow.com

Similar codes

5 votes125 views1 answer
Access angular app outside localhost
Javascript AngularJS
0 vote122 views1 answer
Filter table with multiple input in angular
Javascript AngularJS
0 vote126 views1 answer
Angular loop through key values in map
Javascript AngularJS
0 vote123 views2 answers
Convert int to string in angular
Javascript AngularJS
0 vote124 views1 answer
Sorting json array by key in angular 9
Javascript AngularJS
7 votes131 views2 answers
Mouseover event in angular 11
Javascript AngularJS
0 vote117 views1 answer
How to write a test case for dropdown selection change in angular 9
Javascript AngularJS
0 vote162 views1 answer
Angular set dist output directly under dist rather than dist/project
Javascript AngularJS
0 vote131 views1 answer
Angular get element by classname
Javascript AngularJS
6 votes120 views2 answers
Auto scroll to bottom of div angular
Javascript AngularJS