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38 lines
1.3 KiB
38 lines
1.3 KiB
import raf from "rc-util/es/raf";
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import getScroll, { isWindow } from './getScroll';
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import { easeInOutCubic } from './easings';
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export default function scrollTo(y) {
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var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
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var _options$getContainer = options.getContainer,
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getContainer = _options$getContainer === void 0 ? function () {
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return window;
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} : _options$getContainer,
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callback = options.callback,
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_options$duration = options.duration,
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duration = _options$duration === void 0 ? 450 : _options$duration;
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var container = getContainer();
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var scrollTop = getScroll(container, true);
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var startTime = Date.now();
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var frameFunc = function frameFunc() {
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var timestamp = Date.now();
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var time = timestamp - startTime;
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var nextScrollTop = easeInOutCubic(time > duration ? duration : time, scrollTop, y, duration);
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if (isWindow(container)) {
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container.scrollTo(window.pageXOffset, nextScrollTop);
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} else if (container instanceof HTMLDocument || container.constructor.name === 'HTMLDocument') {
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container.documentElement.scrollTop = nextScrollTop;
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} else {
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container.scrollTop = nextScrollTop;
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}
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if (time < duration) {
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raf(frameFunc);
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} else if (typeof callback === 'function') {
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callback();
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}
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};
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raf(frameFunc);
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} |