Firebase Cookbook

How to do it...

1. Let's start first with retrieving metadata. To allow us to do so, the Firebase APIs provide us with a function called getMetadata(). This function will allow for the retrieving of all file metadata in one place, but first, let's grab a file reference as we did in the earlier recipes:

      //Grab a reference for the Root Directory.      let rootRef = firebase.storage().ref();      //Let's grab a reference for our file.      let imageRef = rootRef.child('path-to-file/<file-       name>.<file-ext>');      //No let's get the file metadata.      imageRef.getMetadata()           .then((meta) => {     //Meta function parameter represent our file metadata.               console.log(meta);            })        .catch(err => console.log(err));

Congratulations, by now you've successfully got the metadata of the ...