include lib/shield to make it work

2017-05-02 09:52:56 -05:00
parent cd03ea7a59
commit e499ff5711
4 changed files with 485 additions and 2 deletions
@@ -0,0 +1,55 @@
+/**
+ * Drop-in replacement for {@link external:sdk/event/target.EventTarget} for use
+ * with es6 classes.
+ * @module event-target
+ * @author Martin Giger
+ * @license MPL-2.0
+ */
+ /**
+ * An SDK class that add event reqistration methods
+ * @external sdk/event/target
+ * @requires sdk/event/target
+ */
+/**
+ * @class EventTarget
+ * @memberof external:sdk/event/target
+ * @see {@link https://developer.mozilla.org/en-US/Add-ons/SDK/Low-Level_APIs/event_target#EventTarget}
+ */
+
+// slightly modified from:  https://raw.githubusercontent.com/freaktechnik/justintv-stream-notifications/master/lib/event-target.js
+
+"use strict";
+
+const { on, once, off, setListeners } = require("sdk/event/core");
+
+/* istanbul ignore next */
+/**
+ * @class
+ */
+class EventTarget {
+    constructor(options) {
+        setListeners(this, options);
+    }
+
+    on(...args) {
+        on(this, ...args);
+        return this;
+    }
+
+    once(...args) {
+        once(this, ...args);
+        return this;
+    }
+
+    off(...args) {
+        off(this, ...args);
+        return this;
+    }
+
+    removeListener(...args) {
+        off(this, ...args);
+        return this;
+    }
+}
+
+exports.EventTarget = EventTarget;