Return value from Geocode Promise

I'm using the react-geocode api to get coordinates from a string address (like 1234 home street, etc.). So far, this is my code.

async function ConvertAddress(address) {
      if (address !== "") {
        Geocode.fromAddress(address, resolve).then(
            (response) => {
              const { lat, lng } = response.results[0].geometry.location;
              const center = { lat: lat, lng: lng}; // if I console logged center from here, it would work fine.
              return center;


            },
            (error) => {
              alert("ConvertAddress error:", error);
            }
            
        );
      }
    }

However, I'm not sure how to access "center" from outside this function (such as from another function). I've tried this:

console.log("ConvertAddress test", ConvertAddress(data[0]));

And it returns this:

ConvertAddress test 
Promise { <state>: "fulfilled", <value>: undefined }
​
<state>: "fulfilled"
​
<value>: undefined
​
<prototype>: Promise.prototype { … }

Can I have some help with returning center in such a way that I can call it without it being undefined? Thanks in advance.

This worked for me:

async function coordinateGenerator(address) {
      if (address !== "") {
        return new Promise(function(resolve, reject) {
          Geocode.fromAddress(address).then( 
            (response) => {
              const { lat, lng } = response.results[0].geometry.location;
              resolve([lat, lng]);
            },
            (error) => {
              alert(error);
              reject("Request failed");
            }
        );
        })
      }
    }

Then call it with:

const center = await coordinateGenerator(a);