AquaNet: got typescript to stop yelling at me, it was driving me up a wall

AquaNet/src/pages/MaimaiRating.svelte

@@ -8,7 +8,7 @@
 
   export let userId: any
   userId = +userId
-  let ifError = null;
+  let ifError: string | null;
 
   if (!userId) console.error("No user ID provided")
 

AquaNet/src/pages/Ranking.svelte

@@ -8,7 +8,7 @@
   title(`Ranking`);
 
   let d: { users: GenericRanking[] };
-  let ifError = null;
+  let ifError: string | null;
   Promise.all([GAME.ranking("mai2")])
     .then(([users]) => {
       console.log(users)

AquaNet/src/pages/UserHome.svelte

@@ -17,7 +17,7 @@
   export let game: GameName
   game = game || "mai2"
   let calElement: HTMLElement
-  let ifError = null
+  let ifError: string | null;
   title(`User ${username}`)
 
   interface MusicAndPlay extends MusicMeta, GenericGamePlaylog {}