add pop-up manager, replacing the sidebar

scripts/GUI/entrypoints/popup.js

@@ -0,0 +1,27 @@
+import Popup from "/scripts/GUI/popup.js";
+
+export default class ManagedPopup {
+	constructor () {
+		this.instance = new Popup({"popup": "/pages/popup.htm", "hidden": true});
+		this.listener = chrome.runtime.onMessage.addListener(
+			(request, sender, sendResponse) => {
+				(request.action == "popup_open") ? this.enable() : this.disable();
+			}
+		);
+	}
+	
+	/*
+	Enable the popup. 
+	*/
+	enable() {
+		this.instance.enable();
+	}
+
+	/* 
+	Close and disable the popup. 
+	*/
+	disable() {
+		// Close the sidebar. 
+		this.instance.disable();
+	}
+}

scripts/GUI/entrypoints/sidebar.js

@@ -1,21 +0,0 @@
-import Sidebar from '/scripts/GUI/sidepanel.js'
-
-export default class ManagedSidebar {
-	static manage() {
-		chrome.runtime.onMessage.addListener(
-			function(request, sender, sendResponse) {
-				if (request.action == "sidebar_open") {
-					ManagedSidebar.enable();
-				}
-			}
-		);
-	}
-	
-	static enable() {
-		new Sidebar(`/pages/popup.htm`);
-	}
-
-	disable() {
-
-	}
-}