1 | "use strict";
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2 |
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3 | var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
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4 |
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5 | var _typeof = require("@babel/runtime/helpers/typeof");
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6 |
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7 | Object.defineProperty(exports, "__esModule", {
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8 | value: true
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9 | });
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10 | exports["default"] = scrollTo;
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11 |
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12 | var _raf = _interopRequireDefault(require("rc-util/lib/raf"));
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13 |
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14 | var _getScroll = _interopRequireWildcard(require("./getScroll"));
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15 |
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16 | var _easings = require("./easings");
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17 |
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18 | 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); }
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19 |
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20 | 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; }
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21 |
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22 | function scrollTo(y) {
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23 | var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
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24 | var _options$getContainer = options.getContainer,
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25 | getContainer = _options$getContainer === void 0 ? function () {
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26 | return window;
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27 | } : _options$getContainer,
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28 | callback = options.callback,
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29 | _options$duration = options.duration,
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30 | duration = _options$duration === void 0 ? 450 : _options$duration;
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31 | var container = getContainer();
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32 | var scrollTop = (0, _getScroll["default"])(container, true);
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33 | var startTime = Date.now();
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34 |
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35 | var frameFunc = function frameFunc() {
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36 | var timestamp = Date.now();
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37 | var time = timestamp - startTime;
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38 | var nextScrollTop = (0, _easings.easeInOutCubic)(time > duration ? duration : time, scrollTop, y, duration);
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39 |
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40 | if ((0, _getScroll.isWindow)(container)) {
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41 | container.scrollTo(window.pageXOffset, nextScrollTop);
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42 | } else if (container instanceof HTMLDocument || container.constructor.name === 'HTMLDocument') {
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43 | container.documentElement.scrollTop = nextScrollTop;
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44 | } else {
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45 | container.scrollTop = nextScrollTop;
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46 | }
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47 |
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48 | if (time < duration) {
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49 | (0, _raf["default"])(frameFunc);
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50 | } else if (typeof callback === 'function') {
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51 | callback();
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52 | }
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53 | };
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54 |
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55 | (0, _raf["default"])(frameFunc);
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56 | } |
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