Perf: remove user profile loading (#22710)

web/app/components/browser-initializer.tsx

@@ -0,0 +1,52 @@
+'use client'
+
+class StorageMock {
+  data: Record<string, string>
+
+  constructor() {
+    this.data = {} as Record<string, string>
+  }
+
+  setItem(name: string, value: string) {
+    this.data[name] = value
+  }
+
+  getItem(name: string) {
+    return this.data[name] || null
+  }
+
+  removeItem(name: string) {
+    delete this.data[name]
+  }
+
+  clear() {
+    this.data = {}
+  }
+}
+
+let localStorage, sessionStorage
+
+try {
+  localStorage = globalThis.localStorage
+  sessionStorage = globalThis.sessionStorage
+}
+catch {
+  localStorage = new StorageMock()
+  sessionStorage = new StorageMock()
+}
+
+Object.defineProperty(globalThis, 'localStorage', {
+  value: localStorage,
+})
+
+Object.defineProperty(globalThis, 'sessionStorage', {
+  value: sessionStorage,
+})
+
+const BrowserInitializer = ({
+  children,
+}: { children: React.ReactElement }) => {
+  return children
+}
+
+export default BrowserInitializer