分离工具函数

packages/artplayer/src/utils/time.js

@@ -0,0 +1,46 @@
+export function sleep(ms = 0) {
+    return new Promise(resolve => setTimeout(resolve, ms));
+}
+
+export function debounce(func, wait, context) {
+    let timeout;
+    function fn(...args) {
+        const later = function later() {
+            timeout = null;
+            func.apply(context, args);
+        };
+        clearTimeout(timeout);
+        timeout = setTimeout(later, wait);
+    }
+
+    fn.clearTimeout = function ct() {
+        clearTimeout(timeout);
+    };
+
+    return fn;
+}
+
+export function throttle(callback, delay) {
+    let isThrottled = false;
+    let args;
+    let context;
+    function fn(...args2) {
+        if (isThrottled) {
+            args = args2;
+            context = this;
+            return;
+        }
+
+        isThrottled = true;
+        callback.apply(this, args2);
+        setTimeout(() => {
+            isThrottled = false;
+            if (args) {
+                fn.apply(context, args);
+                args = null;
+                context = null;
+            }
+        }, delay);
+    }
+    return fn;
+}