Fix #595: Correct initialization of `allowedPreviewTypes`

CHANGE.md

@@ -1,6 +1,12 @@
 Change Log: `bootstrap-fileinput`
 =================================
 
+## version 4.3.2 (under development)
+
+**Date:** 14-Mar-2016
+
+1. (bug #595): Correct initialization of `allowedPreviewTypes`.
+
 ## version 4.3.1
 
 **Date:** 28-Feb-2016

js/fileinput.js

@@ -560,6 +560,9 @@
                         break;
                 }
             });
+            if (isEmpty(self.allowedPreviewTypes)) {
+                self.allowedPreviewTypes = defaultPreviewTypes;
+            }
             self.fileInputCleared = false;
             self.fileBatchCompleted = true;
             if (!self.isPreviewable) {
@@ -2644,7 +2647,7 @@
         overwriteInitial: true,
         layoutTemplates: defaultLayoutTemplates,
         previewTemplates: defaultPreviewTemplates,
-        allowedPreviewTypes: defaultPreviewTypes,
+        allowedPreviewTypes: null,
         allowedPreviewMimeTypes: null,
         allowedFileTypes: null,
         allowedFileExtensions: null,