downloadURL previously deprecated was removed

In Firebase version 5 the downloadURL property was removed. Please see: https://firebase.google.com/support/release-notes/js

You should now use ref.getDownloadURL() (please note that this method returns a promise).

As this project use version 5
package.json = `"firebase": "^5.0.4"`

src/data/firestoreClient/services/files/StorageService.ts

@@ -20,7 +20,13 @@ export class StorageService implements IStorageService {
       // Upload file
       let task = storegeFile.put(file)
       task.then((result) => {
-        resolve(new FileResult(result.downloadURL!,result.metadata.fullPath))
+        result.ref.getDownloadURL()
+          .then((downloadURL) => {
+            resolve(new FileResult(downloadURL, result.metadata.fullPath))
+          })
+          .catch((error) => {
+            reject(error)
+          })
       }).catch((error) => {
         reject(error)
       })