Updated project to work with recent Elixir versions

.tool-versions

@@ -1,3 +1,3 @@
-elixir 1.8.1
-erlang 21.3.2
-nodejs 9.5.0
+elixir 1.19.5-otp-28
+erlang 28.3.2
+nodejs 11.12.1

assets/js/app.js

@@ -1,5 +1,5 @@
 import "phoenix_html";
-import {Socket} from "phoenix";
+import { Socket } from "phoenix";
 
 import NodeSelector from "./node_selector.js";
 import ClusterView from "./cluster_view.js";
@@ -8,17 +8,19 @@ import ClusterView from "./cluster_view.js";
 class App {
   constructor(node_selector_container) {
     this.node_selector = new NodeSelector(node_selector_container, this.channel);
-    this.cluster_view = new ClusterView($('#graph'), $('#log'));
-    $('#stop_msg_tracing').click(e => {
-      if (this.cluster_view)
+    this.cluster_view = new ClusterView($("#graph"), $("#log"));
+
+    $("#stop_msg_tracing").click(_e => {
+      if (this.cluster_view) {
         this.cluster_view.stopMsgTraceAll();
+      }
     });
   }
 }
 
-$( () => {
+$(() => {
   window.socket = new Socket("/socket");
   window.socket.connect();
 
-  window.app = new App($('#node_selector'));
-})
+  window.app = new App($("#node_selector"));
+});

assets/js/globals.js

@@ -0,0 +1,8 @@
+import jquery from "jquery";
+
+window.$ = jquery;
+window.jQuery = jquery;
+
+export const $ = jquery;
+export const jQuery = jquery;
+export const d3 = window.d3;