= storageRef.child('factory/' + uid + '/product/' + filename)
          imagesRef.put(file, metadata)
            .then(snapshot => {
              let progress = (snapshot.bytesTransferred / snapshot.totalBytes) * 100
              // this.$.uploadProgress.value = progress
              this.$.uploadImageFile.files.uploading = true
              this.$.uploadImageFile.files.status = snapshot.state
              this.$.uploadImageFile.files.progress = progress
              this.$.uploadImageFile.files.load