CODEWITHSUNDEEP
javascriptmeteorgeocoding
Cathal
Cathal

Reputation: 145

Meteor method after api call returning undefined

I am using Meteor, whenever I make an api call to googles geocode and try to return values from it I get an undefined, I am using the callback to the api so there is definitely data there so I'm not sure as to what is causing it

callWeather = e => {
  e.preventDefault();
  console.log(this.state.address);
  Meteor.call("geCoordinates", this.state.address, function(err, result) {
    if (err) {
      console.log(err);
    } else {
      console.log(result);
    }
  });
};

geCoordinates(address) {
  googleMapsClient.geocode({ address }, (error, data) => {
    if (error) {
      console.log(error);
    } else {
      console.log(data.json.results[0].geometry.location.lat);
      return data.json.results[0].geometry.location.lat;
    }
  });
},

Upvotes: 1

Views: 142

Answers (1)

Tolsee
Tolsee

Reputation: 1705

This is a common mistake that most people do when they are starting. The problem here is that before your method code execute the callback function, data response is present in the client. There are many solution ot this:

  1. https://stackoverflow.com/a/20090566/6880789

But, I would recommend you to use Meteor.wrapAsync like below:

let getGeoCode = Meteor.wrapAsync(googleMapsClient.geocode, googleMapsClient.geocode),
data = getGeoCode({ address });  // data contains data of your callback

Upvotes: 2

Related Questions