Adder Global Loading spiner for api calls

src/app/services/loader.service.spec.ts

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+import { TestBed } from '@angular/core/testing';
+
+import { LoaderService } from './loader.service';
+
+describe('LoaderService', () => {
+  let service: LoaderService;
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({});
+    service = TestBed.inject(LoaderService);
+  });
+
+  it('should be created', () => {
+    expect(service).toBeTruthy();
+  });
+});

src/app/services/loader.service.ts

@@ -0,0 +1,16 @@
+import { Injectable } from '@angular/core';
+
+@Injectable({
+  providedIn: 'root'
+})
+export class LoaderService {
+  private loading: boolean = false;
+  
+  setLoading(loading: boolean){
+    this.loading = loading;
+  }
+
+  getLoading(): boolean{
+    return this.loading;
+  }
+}