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diff --git a/vendor/geedmo/yamm3/demo/components/jquery/src/css/addGetHookIf.js b/vendor/geedmo/yamm3/demo/components/jquery/src/css/addGetHookIf.js
new file mode 100644
index 000000000..e12f3598d
--- /dev/null
+++ b/vendor/geedmo/yamm3/demo/components/jquery/src/css/addGetHookIf.js
@@ -0,0 +1,22 @@
+define(function() {
+
+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;
+
+});