Code Error: The type '{}' is missing the property 'mapType'

I'm currently following a tutorial on YouTube about integrating Google Maps into Ionic. I encountered an error that I'm struggling to understand. Whenever I try to run the app, I receive the following error:

Check out the tutorial video here: https://www.youtube.com/watch?v=jD5yYX1KWXA

Typescript Error:

The argument of type '{}' is not compatible with the parameter of type 'GoogleMapOptions'. The property 'mapType' is missing in the type '{}'.

This error is being thrown in home.ts file.

import { Component } from '@angular/core';
import { NavController } from 'ionic-angular';

import { GoogleMap, GoogleMaps, LatLng, CameraPosition, GoogleMapsEvent, MarkerOptions, Marker } from '@ionic-native/google-maps';


@Component({
  selector: 'page-home',
  templateUrl: 'home.html'
})
export class HomePage {

  constructor(public navCtrl: NavController, public googleMaps: GoogleMaps) {}

  ngAfterViewInit() {
    this.loadMap();
  }

  loadMap() {
    let element = document.getElementById('map');
    let map: GoogleMap = this.googleMaps.create(element, {});
  }

}

The issue seems to be at .....(element, {});

I am having trouble figuring out why I can't simply pass an empty object as an argument.

By the way, I'm fairly new to working with Ionic.

Answer №1

To exclude any options when using the map function, simply leave out the parameter as shown below:

  generateMap() {
    let location = document.getElementById('map');
    let map: GoogleMap = this.googleMaps.create(location);
  }

Answer №2

According to the author of the TypeScript definitions, when using the GoogleMapOptions, you are required to define the mapType.

This could mean either:

  • the mapType is necessary and must be specified (e.g.
    ...create(element, { mapType: 'street' })
    ), or
  • there is an error in the typings that the author should correct.

If the typings are not provided by @ionic-native/google-maps, you can look for them on github.com/DefinitelyTyped/DefinitelyTyped.

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