防抖节流装饰器

ui/lib/js/decorator.js

@@ -45,15 +45,14 @@ export function loading() {
  * @returns {(function(*, *, *): void)|*}
  */
 export function throttle(wait) {
-  return function (target, name, descriptor) {
+  let timer;
+  return function (t, n, descriptor) {
     const origin = descriptor.value
-    let lock = false
     descriptor.value = function () {
-      if (!lock) {
+      if (!timer) {
-        lock = true
-        origin.apply(this, arguments)
         setTimeout(() => {
-          lock = false
+          origin.apply(this, arguments)
+          timer = null
         }, wait)
       }
     }
@@ -83,3 +82,21 @@ export function load(sdk, interval = 200, name = "") {
     }
   }
 }
+
+/**
+ * 防抖装饰器
+ * @param delay 防抖时间
+ * @returns {(function(*, *, *): void)|*}
+ */
+export function debounce(delay) {
+  let timer = null;
+  return function (t, n, descriptor) {
+    const origin = descriptor.value
+    descriptor.value = function () {
+      clearTimeout(timer);
+      timer = setTimeout(() => {
+        origin.apply(this, arguments)
+      }, delay)
+    }
+  }
+}