Update folder structure

src/app/components/invalidstate/invalidstate.component.ts

@@ -0,0 +1,66 @@
+import {Component, OnInit} from '@angular/core';
+import {CountryService} from '../../service/countryservice';
+
+@Component({
+    templateUrl: './invalidstate.component.html'
+})
+export class InvalidStateComponent implements OnInit {
+
+
+    countries: any[];
+
+    cities: any[];
+
+    filteredCountries: any[];
+
+    value1: any;
+
+    value2: any;
+
+    value3: any;
+
+    value4: any;
+
+    value5: any;
+
+    value6: any;
+
+    value7: any;
+
+    value8: any;
+
+    value9: any;
+
+    value10: any;
+
+    constructor(private countryService: CountryService) {
+        this.cities = [
+            {name: 'New York', code: 'NY'},
+            {name: 'Rome', code: 'RM'},
+            {name: 'London', code: 'LDN'},
+            {name: 'Istanbul', code: 'IST'},
+            {name: 'Paris', code: 'PRS'}
+        ];
+    }
+
+    ngOnInit() {
+        this.countryService.getCountries().then(countries => {
+            this.countries = countries;
+        });
+    }
+
+    searchCountry(event) {
+        // in a real application, make a request to a remote url with the query and return filtered results,
+        // for demo we filter at client side
+        const filtered: any[] = [];
+        const query = event.query;
+        for (let i = 0; i < this.countries.length; i++) {
+            const country = this.countries[i];
+            if (country.name.toLowerCase().indexOf(query.toLowerCase()) == 0) {
+                filtered.push(country);
+            }
+        }
+
+        this.filteredCountries = filtered;
+    }
+}