blobs in the IndexDB

blobStorage.js

  // make a blob
  var blob = new Blob(['blobyJo'], {
      type: 'text/plain'
  });
  
  try {
    var store = db.transaction(['buckets'], 'readwrite')
        .objectStore('buckets');
  
    var fngr = store.put(blob, 'blob');
    fngr.onerror = function(err) {
        console.log(err);
    };
    
    fngr.onsuccess = function(event) {
        console.log('blob as blob'); // NO base64 conversion needed!!!
    };
    
  }
  catch (err) {
    var rdr = new FileReader();
    rdr.onload = function(event) {
      
      var store = db.transaction(['buckets'], 'readwrite')
          .objectStore('buckets');
          
      var dta = event.target.result,
      fngr = store.put(dta, 'blob');
      
      
      fngr.onerror = function(err) {
        console.log(err);
      };
      
      
      fngr.onsuccess = function(event) {
        console.log('blob as b64');
      };
    };

    rdr.readAsDataURL(blob);
  }