diff --git a/utils/common.ts b/utils/common.ts
new file mode 100644
index 0000000..eb12cc4
--- /dev/null
+++ b/utils/common.ts
@@ -0,0 +1,18 @@
+export function pick<T, K extends keyof T>(obj: T, ...keys: K[]): Pick<T, K> {
+  const filtered = {} as Pick<T, K>
+  keys.forEach((key) => {
+    filtered[key] = obj[key]
+  })
+  return filtered
+}
+
+export function exclude<T, K extends keyof T>(
+  obj: T,
+  ...keys: K[]
+): Omit<T, K> {
+  const filtered = { ...obj }
+  keys.forEach((key) => {
+    delete filtered[key]
+  })
+  return filtered
+}