bulk uploader (sort of) for slack emoji

really just allows you to drag-and-drop a bunch of images into the
text input of the form, and uploads each of them in turn with name
determined by the file name (stripping one file extension)

upload-emoji.js

@@ -0,0 +1,22 @@
+$('form').on('drop', function(e) {
+  e.preventDefault();
+  e.stopPropagation();
+  var files = e.originalEvent.dataTransfer.files;
+  for(var i = 0; i < files.length; i++) {
+    var file = files[i];
+    var ajaxData = new FormData($('form').get(0));
+    ajaxData.append('img', file);
+    var fileName = file.name,
+        name = fileName.substr(0, fileName.lastIndexOf('.')) || fileName;
+    ajaxData.append('name', name);
+    $.ajax({
+      url: 'https://wayfair.slack.com/customize/emoji',
+      type: 'POST',
+      data: ajaxData,
+      cache: false,
+      contentType: false,
+      processData: false
+    });
+  }
+});
+