reduced loading time for popout graph windows (#1116)

* reduced loading time for popout graph windows

* made handler resiliant according to copilot comments

* linters

Author: Matthew-Dobson

gcs/electron/modules/graphWindow.ts

@@ -92,6 +92,7 @@ export function openGraphWindow(
       frame: true,
       icon: path.join(process.env.VITE_PUBLIC!, "app_icon.ico"),
       show: false,
+      backgroundColor: "#282c34",
       title: meta?.title ?? "Graph",
       webPreferences: {
         preload: path.join(__dirname, "preload.js"),

gcs/electron/preload.js

@@ -226,7 +226,12 @@ const { appendLoading, removeLoading } = useLoading()
 domReady().then(appendLoading)
 
 window.onmessage = (ev) => {
-  ev.data.payload === "removeLoading" && removeLoading()
+  if (!ev || ev.data == null || typeof ev.data !== "object") {
+    return
+  }
+  if (ev.data.payload === "removeLoading") {
+    removeLoading()
+  }
 }
 
 setTimeout(removeLoading, 4999)

gcs/src/graphWindow.jsx

@@ -68,6 +68,7 @@ export default function GraphWindowApp() {
     // tell main we are ready *after* listeners exist
     if (!sentReadyRef.current) {
       window.ipcRenderer.send("app:graph-window:ready")
+      window.postMessage({ payload: "removeLoading" }, "*")
       sentReadyRef.current = true
     }