同步代码

commons/utils/debounce.js

@@ -0,0 +1,25 @@
+/**
+ * @desc 函数防抖
+ * @param func 目标函数
+ * @param wait 延迟执行毫秒数
+ * @param immediate true - 立即执行， false - 延迟执行
+ */
+export const debounce = function(func, wait = 1000, immediate = true) {
+	let timer;
+	return function() {
+		let context = this,
+			args = arguments;
+		if (timer) clearTimeout(timer);
+		if (immediate) {
+			let callNow = !timer;
+			timer = setTimeout(() => {
+				timer = null;
+			}, wait);
+			if (callNow) func.apply(context, args);
+		} else {
+			timer = setTimeout(() => {
+				func.apply(context, args);
+			}, wait)
+		}
+	}
+}