readAsArraybuffer issue
**Can you help me please with this problem? 
i want to store files on firebase .
i have all files with the same size in storage firebase (16 B ),and when i open them there are no content.** 

`import { Component } from '@angular/core';
import { File} from '@ionic-native/file/ngx';
import { FileChooser } from '@ionic-native/file-chooser/ngx';
import { FilePath } from '@ionic-native/file-path/ngx';
import { FireBaseService } from '../services/firebase-service.service'


@Component({
  selector: 'app-home',
  templateUrl: 'home.page.html',
  styleUrls: ['home.page.scss'],

})
export class HomePage {

 fileforSending ;
 fileUri  :string;
 filePath :string;
 fileName :string;
 fileType :string;
 buffer ;
 entry;

  constructor(
    private fireService:FireBaseService,
    private fileChooser:FileChooser,
    private file :File,
    private pathConverter :FilePath) {
  }

  
  choose(){
    this.fileChooser.open()
    .then(uri => {
      //getting URI of a choosen file
      this.fileUri = uri;
      return this.file.resolveLocalFilesystemUrl(this.fileUri);

    }).then(fileEntry => {
      this.entry = fileEntry;
      this.entry.file((arg) => {
      //getting mime type of a file
      this.fileType = arg.type;})

    }).then(() => {
      return this.pathConverter.resolveNativePath(this.fileUri)

    }).then((filePath) => {
      //converting file URI to normal file PATH & file NAME
      this.filePath = filePath.substring(0, filePath.lastIndexOf('/'));
      this.fileName = filePath.substring(filePath.lastIndexOf('/'), filePath.length).replace("/", "");
      
    }).then(async () => {
      return await this.file.readAsArrayBuffer(this.filePath, this.fileName)
    }).then(async (file) => {
        //getting file 
        await this.fireService.uploadFileToStorage(file, this.fileType, this.fileName);
    })
    .catch(err =>  {
        console.log('error: ', err)
    });
}
}
`

import { Injectable } from '@angular/core';
import {AngularFireDatabase} from "@angular/fire/database";

import {AngularFireStorage} from "@angular/fire/storage";


@Injectable({
  providedIn: 'root'
})
export class FireBaseService {
    
    constructor(private af: AngularFireStorage){}
    
    async uploadFileToStorage(file, type, name) {
        const randomId = Math.random()
            .toString(36)
            .substring(2, 8);

        let oMyBlob = new Blob([file], {type : type})
        console.log(oMyBlob)
        const uploadTask = this.af.upload(
            `files/${new Date().getTime()}_${randomId}_${name}`,
            oMyBlob
        );
    
        uploadTask.then(async res => {
            console.log('file upload finished!');
        }).catch(err =>  {
            console.log('file wasnt upload. Error: ' + err);
        });
    }
    
}

export { FireBaseService as ExportedClass };