You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
21 lines
582 B
21 lines
582 B
export function debounce(_this: any, fn: (arg0: any) => void) {
|
|
// 用rAF去做防抖
|
|
return function (...args: any) {
|
|
if (_this.lock) return;
|
|
const run = function () {
|
|
// requestIdleCallback-任务调度
|
|
window.requestIdleCallback(function (deadline) {
|
|
_this.lock = true;
|
|
// 判断空闲时间
|
|
// 显示器刷新频率HZ 16.7ms内不会重复执行
|
|
if (deadline.timeRemaining() > 1000 / 60) {
|
|
fn(...args);
|
|
_this.lock = false;
|
|
} else {
|
|
run();
|
|
}
|
|
});
|
|
};
|
|
run();
|
|
};
|
|
}
|
|
|