feat: 增加debounce

Author: chenxi24

devui/shared/util/debounce.ts

@@ -0,0 +1,25 @@
+/**
+ * 
+ * @param func The function to debounce.
+ * @param wait The number of milliseconds to delay.
+ * @param immediate Whether to execute immediately
+ * @returns Returns the new debounced function.
+ */
+export function debounce<A extends Array<any>, R = void>(func: (...args: A) => R, wait: number, immediate: boolean): (...args: A) => R {
+ let timer: number, result: R;
+ return function (...args: A) {
+ if (timer) clearTimeout(timer)
+ if (immediate) {
+ const localImmediate = !timer
+ timer = window.setTimeout(() => {
+ timer = null
+ }, wait);
+ if (localImmediate) result = func.apply(this, args)
+ } else {
+ timer = window.setTimeout(() => {
+ func.apply(this, args)
+ }, wait);
+ }
+ return result
+ }
+}