Zyzle

import { Injectable } from '@angular/core';
import { CanActivate, Router } from '@angular/router';

import { FirebaseAuth, FirebaseAuthState } from 'angularfire2';
import { Observable } from 'rxjs/Observable';

@Injectable()
export class AuthGuard implements CanActivate {

  constructor(private auth: FirebaseAuth, private router: Router) { }

swapnilmishra

function getCardType(cardNum) {

    if(!luhnCheck(cardNum)){
	return "";
    }
    var payCardType = "";
    var regexMap = [
      {regEx: /^4[0-9]{5}/ig,cardType: "VISA"},
      {regEx: /^5[1-5][0-9]{4}/ig,cardType: "MASTERCARD"},
      {regEx: /^3[47][0-9]{3}/ig,cardType: "AMEX"},