Asynchronous setState()

setstate_async.js

  setCoords = coords => {
    this.setState({
      lat: coords.lat,
      lng: coords.lng
    });
  };

  componentDidMount() {
    let geocoder = new window.google.maps.Geocoder();
    geocoder.geocode(
      { address: this.props.address },
      async (results, status) => {
        if (status === "OK") {
          const coords = await results[0].geometry.location.toJSON();
          await this.setCoords(coords);
        } else {
          console.log(
            "Geocode was not successful for the following reason: " + status
          );
        }
      }
    );
    this.delayedShowMarker();
  }