Actualización

web/assets/i18next/src/EventEmitter.js

@@ -0,0 +1,41 @@
+class EventEmitter {
+  constructor() {
+    this.observers = {};
+  }
+
+  on(events, listener) {
+    events.split(' ').forEach(event => {
+      this.observers[event] = this.observers[event] || [];
+      this.observers[event].push(listener);
+    });
+    return this;
+  }
+
+  off(event, listener) {
+    if (!this.observers[event]) return;
+    if (!listener) {
+      delete this.observers[event];
+      return;
+    }
+
+    this.observers[event] = this.observers[event].filter(l => l !== listener);
+  }
+
+  emit(event, ...args) {
+    if (this.observers[event]) {
+      const cloned = [].concat(this.observers[event]);
+      cloned.forEach(observer => {
+        observer(...args);
+      });
+    }
+
+    if (this.observers['*']) {
+      const cloned = [].concat(this.observers['*']);
+      cloned.forEach(observer => {
+        observer.apply(observer, [event, ...args]);
+      });
+    }
+  }
+}
+
+export default EventEmitter;