Initial Commit

otis/src/app/departments/department-list-resolver.service.ts

@@ -0,0 +1,18 @@
+import { Injectable } from '@angular/core';
+import { Resolve } from '@angular/router';
+import { Observable } from 'rxjs/internal/Observable';
+
+import { Department } from '../core/department';
+
+import { DepartmentService } from './department.service';
+
+@Injectable({
+  providedIn: 'root',
+})
+export class DepartmentListResolver implements Resolve<Department[]> {
+  constructor(private ser: DepartmentService) {}
+
+  resolve(): Observable<Department[]> {
+    return this.ser.list();
+  }
+}