shinoshu

import { Injectable } from '@angular/core';
import { CanActivate, ActivatedRouteSnapshot, RouterStateSnapshot, Router } from '@angular/router';
import { AngularFireAuth } from '@angular/fire/auth';

import { Observable } from 'rxjs';
import { tap, map, take } from 'rxjs/operators';

@Injectable({
  providedIn: 'root'
})