Release Multi-Hoster Uploader 3.3.108

lib/throttle-timer.js

@@ -0,0 +1,59 @@
+(function (root) {
+  'use strict';
+
+  function makeThrottleTimer(opts) {
+    const o = opts || {};
+    const now = typeof o.now === 'function' ? o.now : (() => Date.now());
+    const schedule = typeof o.schedule === 'function'
+      ? o.schedule
+      : ((cb, ms) => setTimeout(cb, ms));
+    const clear = typeof o.clear === 'function' ? o.clear : ((h) => clearTimeout(h));
+
+    let handle = null;
+    let burstStart = null;
+    let pendingFn = null;
+
+    function fire() {
+      handle = null;
+      burstStart = null;
+      const fn = pendingFn;
+      pendingFn = null;
+      if (typeof fn === 'function') fn();
+    }
+
+    function request(fn, delay, maxWait) {
+      if (typeof fn === 'function') pendingFn = fn;
+      const t = now();
+      if (burstStart === null) burstStart = t;
+      let wait = typeof delay === 'number' && delay >= 0 ? delay : 0;
+      if (typeof maxWait === 'number' && maxWait >= 0) {
+        const remaining = maxWait - (t - burstStart);
+        wait = Math.min(wait, remaining < 0 ? 0 : remaining);
+      }
+      if (handle !== null) clear(handle);
+      handle = schedule(fire, wait);
+    }
+
+    function flushSync() {
+      if (handle !== null) { clear(handle); handle = null; }
+      burstStart = null;
+      const fn = pendingFn;
+      pendingFn = null;
+      if (typeof fn === 'function') fn();
+    }
+
+    function cancel() {
+      if (handle !== null) { clear(handle); handle = null; }
+      burstStart = null;
+      pendingFn = null;
+    }
+
+    function isPending() { return handle !== null; }
+
+    return { request, flushSync, cancel, isPending };
+  }
+
+  const api = { makeThrottleTimer };
+  if (typeof module !== 'undefined' && module.exports) module.exports = api;
+  else if (root) root.ThrottleTimer = api;
+})(typeof window !== 'undefined' ? window : this);