jqwidgets-scripts-custom/demos/Angular/input/autocomplete/src/app/app.component.ts

jQWidgets is an advanced jQuery, Angular 7, Vue, React, ASP .NET MVC, Custom Elements and HTML5 UI framework.

import { Component } from '@angular/core';

@Component({
    selector: 'app-root',
    templateUrl: './app.component.html'
})

export class AppComponent {
    source = (query: any, response: any): any => {
        let dataAdapter = new jqx.dataAdapter
        (
            {
                datatype: 'jsonp',
                datafields:
                [
                    { name: 'countryName' }, { name: 'name' },
                    { name: 'population', type: 'float' },
                    { name: 'continentCode' },
                    { name: 'adminName1' }
                ],
                url: 'https://secure.geonames.org/searchJSON',
                data:
                {
                    featureClass: 'P',
                    style: 'full',
                    maxRows: 12,
                    username: 'jqwidgets'
                }
            },
            {
                autoBind: true,
                formatData: (data: any): any => {
                    data.name_startsWith = query;
                    return data;
                },
                loadComplete: (data: any): any => {
                    if (data.geonames.length > 0) {
                        response($.map(data.geonames, (item) => {
                            return {
                                label: item.name + (item.adminName1 ? ', ' + item.adminName1 : '') + ', ' + item.countryName,
                                value: item.name
                            }
                        }));
                    }
                }
            }
        );
    };
}