Fixed getItem() with a default value

src/storage.ts

@@ -4,10 +4,9 @@ export function setItem(k: string, v: string): void {
 export function getItem(k: string): string | null
 export function getItem(k: string, defaultValue: any): string
 export function getItem(k: string, defaultValue?: any): string | null {
-  try {
-    return localStorage.getItem(k) ?? null
-  }
-  catch (e) {
-    return defaultValue ?? null
+  const val = localStorage.getItem(k)
+  if (defaultValue !== undefined && val === null) {
+    return defaultValue
   }
+  return val
 }