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-rw-r--r--devtools/server/actors/utils/track-change-emitter.js19
1 files changed, 19 insertions, 0 deletions
diff --git a/devtools/server/actors/utils/track-change-emitter.js b/devtools/server/actors/utils/track-change-emitter.js
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index 0000000000..19de2b92fb
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+++ b/devtools/server/actors/utils/track-change-emitter.js
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+/* 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("resource://devtools/shared/event-emitter.js");
+
+/**
+ * A helper class that is listened to by the ChangesActor, and can be
+ * used to send changes to the ChangesActor.
+ */
+class TrackChangeEmitter extends EventEmitter {
+ trackChange(change) {
+ this.emit("track-change", change);
+ }
+}
+
+module.exports = new TrackChangeEmitter();