Fixes for stream-to-blob-url@3

1 files changed, 9 insertions, 2 deletions

diff --git a/lib/file.js b/lib/file.js
index 993e06a..381ae5c 100644
--- a/lib/file.js
+++ b/lib/file.js
@@ -105,12 +105,19 @@ class File extends EventEmitter {
   getBlob (cb) {
     if (typeof window === 'undefined') throw new Error('browser-only method')
     streamToBlob(this.createReadStream(), this._getMimeType())
-      .then(blob => cb(null, blob), cb)
+      .then(
+        blob => cb(null, blob),
+        err => cb(err)
+      )
   }
 
   getBlobURL (cb) {
     if (typeof window === 'undefined') throw new Error('browser-only method')
-    streamToBlobURL(this.createReadStream(), this._getMimeType(), cb)
+    streamToBlobURL(this.createReadStream(), this._getMimeType())
+      .then(
+        blobUrl => cb(null, blobUrl),
+        err => cb(err)
+      )
   }
 
   appendTo (elem, opts, cb) {