refactor(types): add PageElements type

src/popup.ts

@@ -37,6 +37,8 @@ class MessageHandler {
     }
 }
 
+
+
 //make this a function to allow this to run on the content page
 async function runThePopup(messageListener?: MessageListener): Promise<void> {
     const messageHandler = new MessageHandler(messageListener);
@@ -45,7 +47,14 @@ async function runThePopup(messageListener?: MessageListener): Promise<void> {
 
     await utils.wait(() => Config.config !== null);
 
-    const PageElements: any = {};
+    type InputPageElements = {
+        whitelistToggle?: HTMLInputElement,
+        toggleSwitch?: HTMLInputElement,
+        usernameInput?: HTMLInputElement,
+    };
+    type PageElements = { [key: string]: HTMLElement } & InputPageElements
+
+    const PageElements: PageElements = {};
 
     [
         "sponsorblockPopup",