added DOMPurify from https://github.com/cure53/DOMPurify

dompurify/dompurify-tests.ts

@@ -0,0 +1,8 @@
+/// <reference path="dompurify.d.ts" />
+
+import dompurify = require('dompurify');
+
+dompurify.sanitize('<script>alert("hi")</script>');
+dompurify.addHook('beforeSanitizeElements', (el, data, config) => {
+  return el;
+});

dompurify/dompurify.d.ts

@@ -0,0 +1,15 @@
+// Type definitions for DOM Purify
+// Project: https://github.com/cure53/DOMPurify
+// Definitions by: Dave Taylor <http://davetayls.me>
+// Definitions: https://github.com/borisyankov/DefinitelyTyped
+
+interface IDOMPurify {
+  sanitize(s:string):string;
+  addHook(hook:string, cb:(currentNode:Element, data:any, config:any) => Element):void;
+}
+
+declare var DOMPurify:IDOMPurify;
+
+declare module 'dompurify' {
+  export = DOMPurify;
+}