diff --git a/build/typescript.sh b/build/typescript.sh
new file mode 100755
index 00000000..4320a2f2
--- /dev/null
+++ b/build/typescript.sh
@@ -0,0 +1,17 @@
+#!/bin/bash
+
+# Paper.js - The Swiss Army Knife of Vector Graphics Scripting.
+# http://paperjs.org/
+#
+# Copyright (c) 2011 - 2013, Juerg Lehni & Jonathan Puckey
+# http://lehni.org/ & http://jonathanpuckey.com/
+#
+# Distributed under the MIT license. See LICENSE file for details.
+#
+# All rights reserved.
+
+# Generates TypeScript declaration file
+
+cd jsdoc-toolkit
+java -jar jsrun.jar app/run.js -c=conf/typescript.conf
+cd ..