import { Component, OnInit } from '@angular/core'; import { StaticInjector } from '@angular/core/src/di/injector'; @Component({ selector: 'app-student-charter', templateUrl: './student-charter.component.html', styleUrls: ['./student-charter.component.scss'] }) export class StudentCharterComponent implements OnInit { state:boolean; private studentCharterUrl = environment.apiUrl + ''; constructor() { } ngOnInit() { } toggle(){ this.state=!this.state; } sendStudentSignatureCharter(email: string, state:boolean) : Observable<boolean> { return this.http.post<any>(this.studentCharterUrl, { params: email, state }).pipe( map(() => true )); } }