diff --git a/src/utils/func.ts b/src/utils/func.ts
new file mode 100644
index 0000000..27b2dc5
--- /dev/null
+++ b/src/utils/func.ts
@@ -0,0 +1,25 @@
+const MAX_RETRY = 3;
+
+/**
+ * @param func - Function to do.
+ * @param cond - Retry condition callback function. Stop when the function return false,
+ */
+export async function retry<T extends () => any>(
+  func: T,
+  cond = (error: any) => !!error,
+): Promise<ReturnType<T>> {
+  let retries = 0;
+
+  while (retries++ < MAX_RETRY - 1) {
+    try {
+      return await func();
+    } catch (error) {
+      if (cond(error)) {
+        retries++;
+        continue;
+      }
+      throw error;
+    }
+  }
+  return func();
+}