1 files changed, 17 insertions, 0 deletions
diff --git a/src/ajax/binary.js b/src/ajax/binary.js
new file mode 100644
index 000000000..e96661da7
--- /dev/null
+++ b/src/ajax/binary.js
@@ -0,0 +1,17 @@
+import jQuery from "../core.js";
+
+import "../ajax.js";
+
+jQuery.ajaxPrefilter( function( s ) {
+
+	// Binary data needs to be passed to XHR as-is without stringification.
+	if ( typeof s.data !== "string" && !jQuery.isPlainObject( s.data ) ) {
+		s.processData = false;
+	}
+
+	// `Content-Type` for requests with `FormData` bodies needs to be set
+	// by the browser as it needs to append the `boundary` it generated.
+	if ( s.data instanceof window.FormData ) {
+		s.contentType = false;
+	}
+} );