yantd/dist/components/_util/scrollTo.js

React component library

import raf from 'rc-util/lib/raf';
import getScroll, { isWindow } from './getScroll';
import { easeInOutCubic } from './easings';
export default function scrollTo(y, options) {
    if (options === void 0) { options = {}; }
    var _a = options.getContainer, getContainer = _a === void 0 ? function () { return window; } : _a, callback = options.callback, _b = options.duration, duration = _b === void 0 ? 450 : _b;
    var container = getContainer();
    var scrollTop = getScroll(container, true);
    var startTime = Date.now();
    var frameFunc = function () {
        var timestamp = Date.now();
        var time = timestamp - startTime;
        var nextScrollTop = easeInOutCubic(time > duration ? duration : time, scrollTop, y, duration);
        if (isWindow(container)) {
            container.scrollTo(window.pageXOffset, nextScrollTop);
        }
        else if (container instanceof HTMLDocument || container.constructor.name === 'HTMLDocument') {
            container.documentElement.scrollTop = nextScrollTop;
        }
        else {
            container.scrollTop = nextScrollTop;
        }
        if (time < duration) {
            raf(frameFunc);
        }
        else if (typeof callback === 'function') {
            callback();
        }
    };
    raf(frameFunc);
}