diff -r 000000000000 -r 6474c204b198 addon-sdk/source/lib/sdk/event/dom.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/addon-sdk/source/lib/sdk/event/dom.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,26 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+module.metadata = {
+  "stability": "unstable"
+};
+
+let { emit } = require("./core");
+
+// Simple utility function takes event target, event type and optional
+// `options.capture` and returns node style event stream that emits "data"
+// events every time event of that type occurs on the given `target`.
+function open(target, type, options) {
+  let output = {};
+  let capture = options && options.capture ? true : false;
+
+  target.addEventListener(type, function(event) {
+    emit(output, "data", event);
+  }, capture);
+
+  return output;
+}
+exports.open = open;