"use strict"; var _interopRequireWildcard = require("@babel/runtime/helpers/interopRequireWildcard").default; var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault").default; Object.defineProperty(exports, "__esModule", { value: true }); exports.default = scrollTo; var _raf = _interopRequireDefault(require("rc-util/lib/raf")); var _easings = require("./easings"); var _getScroll = _interopRequireWildcard(require("./getScroll")); function scrollTo(y) { let options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {}; const { getContainer = () => window, callback, duration = 450 } = options; const container = getContainer(); const scrollTop = (0, _getScroll.default)(container, true); const startTime = Date.now(); const frameFunc = () => { const timestamp = Date.now(); const time = timestamp - startTime; const nextScrollTop = (0, _easings.easeInOutCubic)(time > duration ? duration : time, scrollTop, y, duration); if ((0, _getScroll.isWindow)(container)) { container.scrollTo(window.pageXOffset, nextScrollTop); } else if (container instanceof Document || container.constructor.name === 'HTMLDocument') { container.documentElement.scrollTop = nextScrollTop; } else { container.scrollTop = nextScrollTop; } if (time < duration) { (0, _raf.default)(frameFunc); } else if (typeof callback === 'function') { callback(); } }; (0, _raf.default)(frameFunc); }