22 lines
582 B
TypeScript
22 lines
582 B
TypeScript
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export function debounce(_this: any, fn: (arg0: any) => void) {
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// 用rAF去做防抖
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return function (...args: any) {
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if (_this.lock) return;
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const run = function () {
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// requestIdleCallback-任务调度
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window.requestIdleCallback(function (deadline) {
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_this.lock = true;
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// 判断空闲时间
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// 显示器刷新频率HZ 16.7ms内不会重复执行
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if (deadline.timeRemaining() > 1000 / 60) {
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fn(...args);
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_this.lock = false;
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} else {
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run();
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}
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});
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};
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run();
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};
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}
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