chunker ui redo

ui/common/utils/format.ts

@@ -0,0 +1,21 @@
+/**
+ * Shared formatting utilities.
+ */
+
+export function formatSize(bytes: number | null | undefined): string {
+  if (!bytes) return "—";
+  if (bytes < 1024 * 1024) return `${(bytes / 1024).toFixed(0)} KB`;
+  if (bytes < 1024 * 1024 * 1024)
+    return `${(bytes / (1024 * 1024)).toFixed(1)} MB`;
+  return `${(bytes / (1024 * 1024 * 1024)).toFixed(2)} GB`;
+}
+
+export function formatDuration(seconds: number | null | undefined): string {
+  if (!seconds) return "—";
+  const h = Math.floor(seconds / 3600);
+  const m = Math.floor((seconds % 3600) / 60);
+  const s = Math.floor(seconds % 60);
+  if (h > 0)
+    return `${h}:${m.toString().padStart(2, "0")}:${s.toString().padStart(2, "0")}`;
+  return `${m}:${s.toString().padStart(2, "0")}`;
+}