Fix routing for Ember

app/controllers/knowledge_explorer/knowledge_explorer_controller.rb

@@ -1,6 +1,6 @@
 module KnowledgeExplorer
-  class KnowledgeExplorerController< ApplicationController
-    skip_before_action :check_xhr
+  class KnowledgeExplorerController < ApplicationController
+    requires_plugin 'knowledge-explorer'
     before_action :init_guardian
 
     def index

assets/javascripts/discourse/controllers/knowledge-explorer.js.es6

@@ -0,0 +1,9 @@
+import {
+  default as computed,
+  observes,
+  on
+} from "ember-addons/ember-computed-decorators";
+
+export default Ember.Controller.extend({
+  application: Ember.inject.controller()
+});

assets/javascripts/discourse/knowledge-explorer-route-map.js.es6

@@ -0,0 +1,3 @@
+export default function() {
+  this.route("knowledgeExplorer", { path: "/knowledge-explorer" });
+}

assets/javascripts/discourse/routes/knowledge-explorer.js.es6

@@ -0,0 +1,13 @@
+import { ajax } from "discourse/lib/ajax";
+
+export default Ember.Route.extend({
+  model() {
+    return ajax("/knowledge-explorer.json");
+  },
+
+  setupController(controller, model) {
+    controller.setProperties({
+      model: model
+    });
+  }
+});

assets/javascripts/discourse/templates/knowledge-explorer.hbs

@@ -0,0 +1,2 @@
+<h1> WHALE HELLO</h1>
+{{topicList}}

config/routes.rb

@@ -2,4 +2,5 @@ require_dependency "knowledge_explorer_constraint"
 
 KnowledgeExplorer::Engine.routes.draw do
   get "/" => "knowledge_explorer#index", constraints: KnowledgeExplorerConstraint.new
+  get ".json" => "knowledge_explorer#index", constraints: KnowledgeExplorerConstraint.new
 end

plugin.rb

@@ -2,8 +2,6 @@
 # about: A plugin to make it easy to explore and find knowledge base-type articles in Discourse
 # version: 0.1
 # author: Justin DiRose
-# license: 
-# url: 
 
 enabled_site_setting :knowledge_explorer_enabled