"use strict";

var _typeof = require("@babel/runtime-corejs3/helpers/typeof");

var _WeakMap = require("@babel/runtime-corejs3/core-js-stable/weak-map");

var _Object$getOwnPropertyDescriptor = require("@babel/runtime-corejs3/core-js-stable/object/get-own-property-descriptor");

var _interopRequireDefault = require("@babel/runtime-corejs3/helpers/interopRequireDefault");

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports["default"] = scrollTo;

var _raf = _interopRequireDefault(require("raf"));

var _getScroll = _interopRequireWildcard(require("./getScroll"));

var _easings = require("./easings");

function _getRequireWildcardCache(nodeInterop) { if (typeof _WeakMap !== "function") return null; var cacheBabelInterop = new _WeakMap(); var cacheNodeInterop = new _WeakMap(); return (_getRequireWildcardCache = function _getRequireWildcardCache(nodeInterop) { return nodeInterop ? cacheNodeInterop : cacheBabelInterop; })(nodeInterop); }

function _interopRequireWildcard(obj, nodeInterop) { if (!nodeInterop && obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { "default": obj }; } var cache = _getRequireWildcardCache(nodeInterop); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && _Object$getOwnPropertyDescriptor; for (var key in obj) { if (key !== "default" && Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? _Object$getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj["default"] = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

function scrollTo(y) {
  var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
  var _options$getContainer = options.getContainer,
      getContainer = _options$getContainer === void 0 ? function () {
    return window;
  } : _options$getContainer,
      callback = options.callback,
      _options$duration = options.duration,
      duration = _options$duration === void 0 ? 450 : _options$duration;
  var container = getContainer();
  var scrollTop = (0, _getScroll["default"])(container, true);
  var startTime = Date.now();

  var frameFunc = function frameFunc() {
    var timestamp = Date.now();
    var time = timestamp - startTime;
    var 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 HTMLDocument || 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);
}