diff --git a/node_modules/jquery/src/css/addGetHookIf.js b/node_modules/jquery/src/css/addGetHookIf.js
new file mode 100644
index 0000000..e4bb49a
--- /dev/null
+++ b/node_modules/jquery/src/css/addGetHookIf.js
@@ -0,0 +1,26 @@
+define( function() {
+
+"use strict";
+
+function addGetHookIf( conditionFn, hookFn ) {
+
+	// Define the hook, we'll check on the first run if it's really needed.
+	return {
+		get: function() {
+			if ( conditionFn() ) {
+
+				// Hook not needed (or it's not possible to use it due
+				// to missing dependency), remove it.
+				delete this.get;
+				return;
+			}
+
+			// Hook needed; redefine it so that the support test is not executed again.
+			return ( this.get = hookFn ).apply( this, arguments );
+		}
+	};
+}
+
+return addGetHookIf;
+
+} );