1 files changed, 26 insertions, 0 deletions
diff --git a/devtools/server/actors/utils/track-change-emitter.js b/devtools/server/actors/utils/track-change-emitter.js
new file mode 100644
index 0000000000..e2b34c3b0c
--- /dev/null
+++ b/devtools/server/actors/utils/track-change-emitter.js
@@ -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";
+
+const EventEmitter = require("devtools/shared/event-emitter");
+
+/**
+ * A helper class that is listened to by the ChangesActor, and can be
+ * used to send changes to the ChangesActor.
+ */
+class TrackChangeEmitter {
+  /**
+   * Initialize this object.
+   */
+  constructor() {
+    EventEmitter.decorate(this);
+  }
+
+  trackChange(change) {
+    this.emit("track-change", change);
+  }
+}
+
+module.exports = new TrackChangeEmitter();