initial commit

frontend/src/lib/utils.ts

@@ -0,0 +1,24 @@
+import { type ClassValue, clsx } from 'clsx'
+import { twMerge } from 'tailwind-merge'
+
+export function cn(...inputs: ClassValue[]) {
+  return twMerge(clsx(inputs))
+}
+
+type Valuable<T> = { [K in keyof T as T[K] extends null | undefined ? never : K]: T[K] }
+
+export function getValuable<T extends object, V = Valuable<T>>(obj: T): V {
+  return Object.fromEntries(
+    Object.entries(obj).filter(
+      ([, v]) => !((typeof v === 'string' && !v.length) || v === null || typeof v === 'undefined')
+    )
+  ) as V
+}
+
+export function prettyBytes(bytes: number): string {
+  const units = ['B', 'kB', 'MB', 'GB', 'TB', 'PB']
+  if (bytes === 0) return '0 B'
+  const i = Math.floor(Math.log(bytes) / Math.log(1024))
+  const size = bytes / Math.pow(1024, i)
+  return `${size.toFixed(2)} ${units[i]}`
+}