diff --git a/src/client/scripts/esm/game/main.js b/src/client/scripts/esm/game/main.js
index 2ba310ff..349f87c9 100644
--- a/src/client/scripts/esm/game/main.js
+++ b/src/client/scripts/esm/game/main.js
@@ -41,8 +41,6 @@ function start() {
 
 	onlinegame.askServerIfWeAreInGame();
 
-	localstorage.eraseExpiredItems();
-
 	gameLoop(); // Update & draw the scene repeatedly
 }
 
diff --git a/src/client/scripts/esm/util/localstorage.js b/src/client/scripts/esm/util/localstorage.ts
similarity index 60%
rename from src/client/scripts/esm/util/localstorage.js
rename to src/client/scripts/esm/util/localstorage.ts
index 1e90c71e..9c870fcb 100644
--- a/src/client/scripts/esm/util/localstorage.js
+++ b/src/client/scripts/esm/util/localstorage.ts
@@ -1,6 +1,4 @@
 
-'use strict';
-
 /**
  * This script handles reading, saving, and deleting expired
  * browser local storage data for us!
@@ -8,23 +6,47 @@
  * (unless the user clears their browser cache)
  */
 
+
+/** An entry in local storage */
+interface Entry {
+	/** The actual value of the entry */
+	value: any,
+	/** The timestamp the entry will become stale, at which point it should be deleted. */
+	expires: number
+}
+
+/** For debugging. This prints to the console all save and delete operations. */
 const printSavesAndDeletes = false;
 
 const defaultExpiryTimeMillis = 1000 * 60 * 60 * 24; // 24 hours
 // const defaultExpiryTimeMillis = 1000 * 20; // 20 seconds
 
-function saveItem(key, value, expiryMillis = defaultExpiryTimeMillis) {
+// Do this on load every time
+eraseExpiredItems();
+
+/**
+ * Saves an item in browser local storage
+ * @param key - The key-name to give this entry.
+ * @param value - What to save
+ * @param [expiryMillis] How long until this entry should be auto-deleted for being stale
+ */
+function saveItem(key: string, value: any, expiryMillis: number = defaultExpiryTimeMillis) {
 	if (printSavesAndDeletes) console.log(`Saving key to local storage: ${key}`);
 	const timeExpires = Date.now() + expiryMillis;
-	const save = { value, expires: timeExpires };
+	const save: Entry = { value, expires: timeExpires };
 	const stringifiedSave = JSON.stringify(save);
 	localStorage.setItem(key, stringifiedSave);
 }
 
-function loadItem(key) {
-	const stringifiedSave = localStorage.getItem(key); // "{ value, expiry }"
+/**
+ * Loads an item from browser local storage
+ * @param key - The name/key of the item in storage
+ * @returns The entry
+ */
+function loadItem(key: string): any {
+	const stringifiedSave: string | null = localStorage.getItem(key); // "{ value, expiry }"
 	if (stringifiedSave === null) return;
-	let save;
+	let save: Entry | any;
 	try {
 		save = JSON.parse(stringifiedSave); // { value, expires }
 	} catch (e) { // Value wasn't in json format, just delete it. They have to be in json because we always store the 'expiry' property.
@@ -39,12 +61,16 @@ function loadItem(key) {
 	return save.value;
 }
 
-function deleteItem(key) {
+/**
+ * Deletes an item from browser local storage
+ * @param key The name/key of the item in storage
+ */
+function deleteItem(key: string) {
 	if (printSavesAndDeletes) console.log(`Deleting local storage item with key '${key}!'`);
 	localStorage.removeItem(key);
 }
 
-function hasItemExpired(save) {
+function hasItemExpired(save: Entry | any) {
 	if (save.expires === undefined) {
 		console.log(`Local storage item was in an old format. Deleting it! Value: ${JSON.stringify(save)}}`);
 		return true;