Firebase Storage Download a File (NativeScript)

main-view-model.ts

downloadFile() {
    let downloadPath: string;
    let logoPath: string;
    let fileName: string = "happy-homer-meme.png";

    if (isAndroid) {
        // use tns-platform-declarations to access the native Android & iOS APIs
        downloadPath = android.os.Environment.getExternalStoragePublicDirectory(android.os.Environment.DIRECTORY_DOWNLOADS).toString();
    } else if (isIOS) {
        downloadPath = knownFolders.documents().path;
    }

    logoPath = path.join(downloadPath, fileName);

    // Download the file with the options below:
    storage.downloadFile({
        // optional, can also be passed during init() as 'storageBucket' param so we can cache it
        bucket: APPSPOT_BUCKET_URL,
        // the full path of an existing file in your Firebase storage
        remoteFullPath: 'uploads/images/happy-homer-meme.png',
        // option 1: a file-system module File object
        localFile: File.fromPath(logoPath),
        // option 2: a full file path (ignored if 'localFile' is set)
        localFullPath: logoPath
    }).then(uploadedFile => {
        console.log("File downloaded to the requested location");
        console.log("uploadedFile: ", uploadedFile);
    }).catch(err => {
        console.log("File download error: " + err);
    })
}