Add files

509bba0_unpacked_with_node_modules/~/drag-helper/utils/once.js

@@ -0,0 +1,24 @@
+'use once'
+
+module.exports = function once(fn, scope){
+
+    var called
+    var result
+
+    return function(){
+        if (called){
+            return result
+        }
+
+        called = true
+
+        return result = fn.apply(scope || this, arguments)
+    }
+}
+
+
+//////////////////
+// WEBPACK FOOTER
+// ./~/drag-helper/utils/once.js
+// module id = 2070
+// module chunks = 4