place componnent

current-geolocation.ts

export class CurrentGeolocation {
    public static getGeolocation(options?: any) : Promise<Position> {
        if (window.navigator.geolocation) {
            /* https://gist.github.com/varmais/74586ec1854fe288d393 */
            return new Promise(function (resolve, reject) {
                navigator.geolocation.getCurrentPosition(resolve, reject, options);
            });
        }
    }
}

options.model.ts

/* https://stackoverflow.com/a/42177083/437459 */
declare var google;

import { Options as PlacesOptions } from 'ngx-google-places-autocomplete/objects/options/options';
import { ComponentRestrictions } from 'ngx-google-places-autocomplete/objects/options/componentRestrictions';


export class Options extends PlacesOptions {

    public componentRestrictions : ComponentRestrictions = new ComponentRestrictions({
        country: 'BR'
    });

    /* constructor(opt?: Partial<PlacesOptions>) {
        super(opt);
    } */

    setBounds(lat: number, lng: number) : void {
        this.bounds = new google.maps.LatLngBounds(
            new google.maps.LatLng({ lat, lng })
        );
    }
}

place.component.html

<mat-form-field>
  <input
    placeholder="Local"
    [disabled]="disabled"
    matInput
    ngx-google-places-autocomplete
    [options]="options"
    #placesRef="ngx-places"
    (onAddressChange)="handleAddressChange($event)"/>
  <mat-spinner
    matSuffix
    color="accent"
    [diameter]="20"
    *ngIf="loading">
  </mat-spinner>
</mat-form-field>

place.component.ts

import { Component, OnInit, ViewChild } from '@angular/core';
import { GooglePlaceDirective } from 'ngx-google-places-autocomplete';
import { Options } from './options.model';
import { Address } from 'ngx-google-places-autocomplete/objects/address';
import { CurrentGeolocation } from './current-geolocation';

@Component({
  selector: 'app-place',
  templateUrl: './place.component.html',
  // styleUrls: ['./place.component.scss']
})
export class PlaceComponent implements OnInit {

  @ViewChild("placesRef") places : GooglePlaceDirective;

  public options : Options = new Options();
  protected disabled : boolean = true;
  protected loading : boolean = true;

  constructor() { 
    this.options.types = ['establishment'];
  

    CurrentGeolocation.getGeolocation().then((position : Position) => {
      this.options.setBounds(position.coords.latitude, position.coords.longitude);
      this.places.reset();
      this.disabled = false;
      this.loading = false;
    })
  }

  ngOnInit() {  }
    
  public handleAddressChange(address: Address) {
    console.log(this.options.bounds);
    console.log(address);
  }

}