init

extension.js

@@ -0,0 +1,17 @@
+import { Extension } from 'resource:///org/gnome/shell/extensions/extension.js'
+import * as Main from 'resource:///org/gnome/shell/ui/main.js'
+
+export default class HideOverviewExtension extends Extension {
+    enable() {
+        this.handler = Main.layoutManager.connect('startup-complete', () => {
+            Main.overview.hide()
+        })
+    }
+
+    disable() {
+        if (this.handler != null) {
+            Main.layoutManager.disconnect(this.handler)
+            this.handler = null
+        }
+    }
+}

metadata.json

@@ -0,0 +1,11 @@
+{
+    "name": "AutoHide Overview",
+    "description": "AutoHide Overview on Startup",
+    "uuid": "hide_overview@isjerryxiao",
+    "shell-version": [
+        "45",
+        "46"
+    ],
+    "version": 1,
+    "url": "https://git.jerryxiao.com/Jerry/gnome-shell-extension-hide-overview"
+}