release: PicHost v1.0.0

Multi-user image hosting with RBAC, upload preferences, and admin settings.

app/composables/useFileSize.ts

@@ -0,0 +1,10 @@
+export function useFileSize() {
+  function formatFileSize(bytes: number): string {
+    if (!Number.isFinite(bytes) || bytes < 0) return '-'
+    if (bytes < 1024) return `${bytes} B`
+    if (bytes < 1024 * 1024) return `${(bytes / 1024).toFixed(1)} KB`
+    return `${(bytes / (1024 * 1024)).toFixed(2)} MB`
+  }
+
+  return { formatFileSize }
+}