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gaia/apps/calendar/js/common/create_dom_promise.js

@@ -0,0 +1,16 @@
+/**
+ * @fileoverview Simple helper function to convert basic platform DOMRequest
+ *     into Promise. Deprecate once there is platform support for something
+ *     like DOMRequest.then().
+ */
+define(function(require, exports, module) {
+'use strict';
+
+module.exports = function createDOMPromise(request) {
+  return new Promise((resolve, reject) => {
+    request.onsuccess = resolve;
+    request.onerror = reject;
+  });
+};
+
+});