Move to mixin approach.

addon/initializers/allow-link-action.js

@@ -1,30 +1,8 @@
 import Ember from 'ember';
+import LinkActionMixin from '../mixins/link-action';
 
 export function initialize() {
-  Ember.LinkComponent.reopen({
-    _sendInvokeAction() {
-      this.sendAction('invokeAction');
-    },
-
-    init() {
-      this._super(...arguments);
-
-      // Map desired event name to invoke function
-      const eventName = this.get('eventName');
-
-      if (this.get('invokeAction')) {
-        this.on(eventName, this, this._sendInvokeAction);
-      }
-
-      this.on(eventName, this, this._invoke);
-    },
-
-    willDestroyElement() {
-      if (this.get('invokeAction')) {
-        this.off(this.get('eventName'), this, this._sendInvokeAction);
-      }
-    }
-  });
+  Ember.LinkComponent.reopen(LinkActionMixin);
 }
 
 export default {

addon/mixins/link-action.js

@@ -0,0 +1,26 @@
+import Ember from 'ember';
+
+export default Ember.Mixin.create({
+  _sendInvokeAction() {
+    this.sendAction('invokeAction');
+  },
+
+  init() {
+    this._super(...arguments);
+
+    // Map desired event name to invoke function
+    const eventName = this.get('eventName');
+
+    if (this.get('invokeAction')) {
+      this.on(eventName, this, this._sendInvokeAction);
+    }
+
+    this.on(eventName, this, this._invoke);
+  },
+
+  willDestroyElement() {
+    if (this.get('invokeAction')) {
+      this.off(this.get('eventName'), this, this._sendInvokeAction);
+    }
+  }
+});

app/mixins/link-action.js

@@ -0,0 +1 @@
+export { default } from 'ember-link-action/mixins/link-action';