antd/lib/_util/scrollTo.js

An enterprise-class UI design language and React components implementation

"use strict";

function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

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() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function _getRequireWildcardCache() { return cache; }; return cache; }

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { "default": obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (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 _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }

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);
}