갤러리 페이지 구현

src/lib/utils/format.ts

@@ -0,0 +1,41 @@
+const pad2 = (num: number) => num.toString().padStart(2, "0");
+
+export const formatDate = (date: Date) => {
+  const year = date.getFullYear();
+  const month = date.getMonth() + 1;
+  const day = date.getDate();
+  return `${year}. ${month}. ${day}.`;
+};
+
+export const formatDateSortable = (date: Date) => {
+  const year = date.getFullYear();
+  const month = pad2(date.getMonth() + 1);
+  const day = pad2(date.getDate());
+  return `${year}${month}${day}`;
+};
+
+export const formatDateTime = (date: Date) => {
+  const dateFormatted = formatDate(date);
+  const hours = date.getHours();
+  const minutes = date.getMinutes();
+  return `${dateFormatted} ${pad2(hours)}:${pad2(minutes)}`;
+};
+
+export const formatFileSize = (size: number) => {
+  if (size < 1024) return `${size} B`;
+  if (size < 1024 * 1024) return `${(size / 1024).toFixed(1)} KiB`;
+  if (size < 1024 * 1024 * 1024) return `${(size / 1024 / 1024).toFixed(1)} MiB`;
+  return `${(size / 1024 / 1024 / 1024).toFixed(1)} GiB`;
+};
+
+export const formatNetworkSpeed = (speed: number) => {
+  if (speed < 1000) return `${speed} bps`;
+  if (speed < 1000 * 1000) return `${(speed / 1000).toFixed(1)} kbps`;
+  if (speed < 1000 * 1000 * 1000) return `${(speed / 1000 / 1000).toFixed(1)} Mbps`;
+  return `${(speed / 1000 / 1000 / 1000).toFixed(1)} Gbps`;
+};
+
+export const truncateString = (str: string, maxLength = 20) => {
+  if (str.length <= maxLength) return str;
+  return `${str.slice(0, maxLength)}...`;
+};