file.getBlobURL requires window.URL window.Blob support

1 files changed, 4 insertions, 1 deletions

diff --git a/lib/storage.js b/lib/storage.js
index 3721fe4..48d88a1 100644
--- a/lib/storage.js
+++ b/lib/storage.js
@@ -275,9 +275,12 @@ File.prototype.createReadStream = function (opts) {
  */
 File.prototype.getBlobURL = function (cb) {
   var self = this
+  if (global.URL === undefined || global.Blob === undefined) {
+    return cb(new Error('file.getBlobURL requires window.URL window.Blob support'))
+  }
   self.getBuffer(function (err, buf) {
     if (err) return cb(err)
-    var url = URL.createObjectURL(new Blob([ buf ]))
+    var url = global.URL.createObjectURL(new global.Blob([ buf ]))
     cb(null, url)
   })
 }