diff --git a/api/debouncing.ts b/api/debouncing.ts
new file mode 100644
index 0000000..13c42ca
--- /dev/null
+++ b/api/debouncing.ts
@@ -0,0 +1,18 @@
+export const debouncing = async (time: number = 1000) => {
+    return new Promise((resolve, reject) => {
+        const timerId = setTimeout(() => {
+            resolve(true)
+        }, time)
+        const listener =  (event: any) => {
+            if (event.detail === timerId) {
+                return
+            }
+            clearTimeout(timerId)
+            reject(new Error('locked!!!' + timerId))
+            document.removeEventListener('debiuncing.clean', listener);
+        }
+        document.addEventListener('debiuncing.clean', listener)
+        const event = new CustomEvent('debiuncing.clean', { detail: timerId });
+        document.dispatchEvent(event);
+    })
+}