"use strict";

var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = scrollTo;
var _raf = _interopRequireDefault(require("./raf"));
var _easings = require("./easings");
var _getScroll = _interopRequireWildcard(require("./getScroll"));
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function (e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != typeof e && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && Object.prototype.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
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.scrollX, nextScrollTop);
    } else if (container instanceof Document) {
      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);
}