diff --git a/src/index.ts b/src/index.ts
new file mode 100644
index 0000000..3eeaeaa
--- /dev/null
+++ b/src/index.ts
@@ -0,0 +1 @@
+export * from "./utils"
diff --git a/src/utils.ts b/src/utils.ts
new file mode 100644
index 0000000..6148e00
--- /dev/null
+++ b/src/utils.ts
@@ -0,0 +1,3 @@
+export function sleep (time: number) {
+  return new Promise((resolve => setTimeout(resolve, time)))
+}