feat: align with upstream 1.5.9.9

app/composables/useSafeLocale.ts

@@ -0,0 +1,31 @@
+const formatLocaleString = (value: string, args: unknown[]) => {
+  if (args.length === 0) return value
+  return value.replace(/{(\d+)}/g, (match, index) =>
+    args[Number(index)] !== undefined ? String(args[Number(index)]) : match
+  )
+}
+
+export const useSafeLocale = <T extends Record<string, any>>(source: T): T => {
+  if (source == null || typeof source !== 'object') return source
+
+  return new Proxy(source, {
+    get(target, prop) {
+      const value = target[prop as keyof T]
+
+      if (typeof value === 'function') return value
+
+      if (typeof value === 'string') {
+        const formatter = (...args: unknown[]) => formatLocaleString(value, args)
+        formatter.toString = () => value
+        formatter.valueOf = () => value
+        return formatter
+      }
+
+      if (value && typeof value === 'object') {
+        return useSafeLocale(value as Record<string, any>)
+      }
+
+      return value
+    }
+  }) as T
+}