How to fix type error in Angular Google Maps?

Question

I am using Angular Google Maps in my app, but I cannot use google.maps.places.PlaceResult as a type for an important variable in my code.

I am implementing this code: (Scroll down to Add Location/Places Search bar)

https://www.freakyjolly.com/angular-7-6-add-google-maps-in-angular-2-plus-applications-using-angular-google-maps-module-agm-core-easily/

I am doing a places search on the map, and I am getting this error:

In this code:

ngOnInit() {
    // Load places autocomplete
    this.maps.load().then(() => {
      this.setCurrentLocation();
      this.geoCoder = new google.maps.geoCoder;

      let autocomplete = new google.maps.places.autocomplete(this.searchElementRef.nativeElement, {
        types: ["address"]
      });

      autocomplete.addListener("place_changed", () => {
        this.ngZone.run(() => {
          // Get the place result
          let place: google.maps.places.PlaceResult = autocomplete.getPlace();

          // Verify result
          if (place.geometry === undefined || place.geometry === null) {
            return;
          }

          // Set latitude, longitude & zoom
          this.userLat = place.geometry.location.lat();
          this.userLng = place.geometry.location.lng();
          this.zoom = 12;
        });
      });
    });
  }

I am just following the example, but it seems to not recognize google. How do you fix this?

I expect to use the example in the link as it is, but I cannot.

Thanks in advance!

Check out https://stackoverflow.com/questions/36064697/how-to-install-typescript-typings-for-google-maps, it seems the google maps package (and @agm which seems to rely on it) are not yet as polished as to easily add their respective types. — Jens Habegger, Jun 18 '19 at 16:38
Which root folder do I add `types` to, from the answer you linked me? @JensHabegger — Compiler v2, Jun 18 '19 at 16:51
There's multiple possible approaches to your problem, I'd try `npm install --save @types/googlemaps` first — Jens Habegger, Jun 18 '19 at 20:15
@JensHabegger post your answer from the link you sent me, it fixed my problem. I will give you the correct answer. — Compiler v2, Jun 20 '19 at 18:04

Compiler v2 · Accepted Answer · 2020-08-11T14:07:32.733

To fix this issue, you need to add a file called, google-maps.d.ts in your root folder inside a folder called types.

Then in that file add the following code:

google-maps.d.ts

import '@types/googlemaps';

declare global {
    interface Window {
        google: typeof google;
    }
}

This will allow you to give variables a type in typescript, of type google.X.X. Make sure you have types installed into your project, npm install --save @types/googlemaps.

Also, make sure you add types in your tsconfig.json file to point it the folder with the code:

tsconfig.json

// tsconfig.json
compilerOptions: {
   ...
   "typeRoots": [
     "node_modules/@types",
     "types"
   ],
   ...
}

Where I got the answer from, (Scroll down to the second answer by feilxmosh):

How to install Typescript typings for google maps

Credit goes to @JensHabegger for sending me this link. I answered my own question because JensHabegger did not.

How to fix type error in Angular Google Maps?

1 Answers1

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