56 lines
2.9 KiB
JavaScript
56 lines
2.9 KiB
JavaScript
"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 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);
|
|
} |