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149-9c128e7e1f8e9241073d.js
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E.a.createElement("div",{className:"waypoint-demo-basic"},p?E.a.createElement("div",{className:"waypoint-demo-basic__message"},p):null,E.a.createElement("div",{className:"waypoint-demo-basic__scrollable-parent"},E.a.createElement(a,null),E.a.createElement(a,null),E.a.createElement(a,null),E.a.createElement(a,null),E.a.createElement(a,null),E.a.createElement(a,null),E.a.createElement("div",{className:"waypoint-demo-basic__waypoint-line"}),E.a.createElement(S.Waypoint,{onEnter:o,onLeave:c}),E.a.createElement(a,null),E.a.createElement(a,null),E.a.createElement(a,null),E.a.createElement(a,null),E.a.createElement(a,null),E.a.createElement(a,null)))}function a(){return E.a.createElement("div",{className:"waypoint-demo-basic__spacer"},E.a.createElement(S.Icon,{type:"down"}))}return E.a.createElement(n,null)},R=function(){function n(n){var a=E.a.useState(!1),s=w()(a,2),t=s[0],p=s[1],e=E.a.useCallback((function(){return p(!0)}),[]),o=E.a.useCallback((function(){return p(!1)}),[]);return 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class="token punctuation">;</span>\n\n<span class="token keyword">function</span> <span class="token function"><span class="token maybe-class-name">Demo</span></span><span class="token punctuation">(</span><span class="token parameter">props</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>\n <span class="token keyword">const</span> <span class="token punctuation">[</span>msg<span class="token punctuation">,</span> setMsg<span class="token punctuation">]</span> <span class="token operator">=</span> <span class="token maybe-class-name">React</span><span class="token punctuation">.</span><span class="token method function property-access">useState</span><span class="token punctuation">(</span><span class="token keyword null nil">null</span><span class="token punctuation">)</span><span class="token punctuation">;</span>\n <span class="token keyword">const</span> setEnterMsg <span class="token operator">=</span> <span class="token maybe-class-name">React</span><span class="token punctuation">.</span><span class="token method function property-access">useCallback</span><span class="token punctuation">(</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token arrow operator">=></span> <span class="token function">setMsg</span><span class="token punctuation">(</span><span class="token string">\'Waypoint 进入屏幕\'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token punctuation">[</span><span class="token punctuation">]</span><span class="token punctuation">)</span><span class="token punctuation">;</span>\n <span class="token keyword">const</span> setLeaveMsg <span class="token operator">=</span> <span class="token maybe-class-name">React</span><span class="token punctuation">.</span><span class="token method function property-access">useCallback</span><span class="token punctuation">(</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token arrow operator">=></span> <span class="token function">setMsg</span><span class="token punctuation">(</span><span class="token string">\'Waypoint 离开屏幕\'</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token punctuation">[</span><span class="token punctuation">]</span><span class="token punctuation">)</span><span class="token punctuation">;</span>\n\n <span class="token keyword">return</span> <span class="token punctuation">(</span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token attr-name">className</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>waypoint-demo-basic<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>\n <span class="token punctuation">{</span>msg <span class="token operator">?</span> <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token attr-name">className</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>waypoint-demo-basic__message<span class="token punctuation">"</span></span><span class="token punctuation">></span></span><span class="token punctuation">{</span>msg<span class="token punctuation">}</span><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span> <span class="token operator">:</span> <span class="token keyword null nil">null</span><span class="token punctuation">}</span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token attr-name">className</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>waypoint-demo-basic__scrollable-parent<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span><span class="token class-name">Spacer</span></span> <span class="token punctuation">/></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span><span class="token class-name">Spacer</span></span> <span class="token punctuation">/></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span><span class="token class-name">Spacer</span></span> <span class="token punctuation">/></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span><span class="token class-name">Spacer</span></span> <span class="token punctuation">/></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span><span class="token class-name">Spacer</span></span> <span class="token punctuation">/></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span><span class="token class-name">Spacer</span></span> <span class="token punctuation">/></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token attr-name">className</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>waypoint-demo-basic__waypoint-line<span class="token punctuation">"</span></span> <span class="token punctuation">/></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span><span class="token class-name">Waypoint</span></span> <span class="token attr-name">onEnter</span><span class="token script language-javascript"><span class="token script-punctuation punctuation">=</span><span class="token punctuation">{</span>setEnterMsg<span class="token punctuation">}</span></span> <span class="token attr-name">onLeave</span><span class="token script language-javascript"><span class="token script-punctuation punctuation">=</span><span class="token punctuation">{</span>setLeaveMsg<span class="token punctuation">}</span></span> <span class="token punctuation">/></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span><span class="token class-name">Spacer</span></span> <span class="token punctuation">/></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span><span class="token class-name">Spacer</span></span> <span class="token punctuation">/></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span><span class="token class-name">Spacer</span></span> <span class="token punctuation">/></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span><span class="token class-name">Spacer</span></span> <span class="token punctuation">/></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span><span class="token class-name">Spacer</span></span> <span class="token punctuation">/></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span><span class="token class-name">Spacer</span></span> <span class="token punctuation">/></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span>\n <span class="token punctuation">)</span><span class="token punctuation">;</span>\n<span class="token punctuation">}</span>\n\n<span class="token keyword">function</span> <span class="token function"><span class="token maybe-class-name">Spacer</span></span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>\n <span class="token keyword">return</span> <span class="token punctuation">(</span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token attr-name">className</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>waypoint-demo-basic__spacer<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span><span class="token class-name">Icon</span></span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>down<span class="token punctuation">"</span></span> <span class="token punctuation">/></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span>\n <span class="token punctuation">)</span><span class="token punctuation">;</span>\n<span class="token punctuation">}</span>\n\n<span class="token maybe-class-name">ReactDOM</span><span class="token punctuation">.</span><span class="token method function property-access">render</span><span class="token punctuation">(</span><span class="token tag"><span class="token tag"><span class="token punctuation"><</span><span class="token class-name">Demo</span></span> <span class="token punctuation">/></span></span><span class="token punctuation">,</span> mountNode<span class="token punctuation">)</span><span class="token punctuation">;</span>'},E.a.createElement(C)),E.a.createElement(M,{title:"Reveal",id:"Demo02reveal",src:'<span class="token keyword module">import</span> <span class="token punctuation">{</span> <span class="token maybe-class-name">Waypoint</span><span class="token punctuation">,</span> <span class="token maybe-class-name">Icon</span> <span class="token punctuation">}</span> <span class="token keyword module">from</span> <span class="token string">\'zent\'</span><span class="token punctuation">;</span>\n<span class="token keyword module">import</span> <span class="token punctuation">{</span> <span class="token maybe-class-name">CSSTransition</span> <span class="token punctuation">}</span> <span class="token keyword module">from</span> <span class="token string">\'react-transition-group\'</span><span class="token punctuation">;</span>\n\n<span class="token keyword">function</span> <span class="token function"><span class="token maybe-class-name">Reveal</span></span><span class="token punctuation">(</span><span class="token parameter">props</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>\n <span class="token keyword">const</span> <span class="token punctuation">[</span>revealed<span class="token punctuation">,</span> setRevealed<span class="token punctuation">]</span> <span class="token operator">=</span> <span class="token maybe-class-name">React</span><span class="token punctuation">.</span><span class="token method function property-access">useState</span><span class="token punctuation">(</span><span class="token boolean">false</span><span class="token punctuation">)</span><span class="token punctuation">;</span>\n <span class="token keyword">const</span> reveal <span class="token operator">=</span> <span class="token maybe-class-name">React</span><span class="token punctuation">.</span><span class="token method function property-access">useCallback</span><span class="token punctuation">(</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token arrow operator">=></span> <span class="token function">setRevealed</span><span class="token punctuation">(</span><span class="token boolean">true</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token punctuation">[</span><span class="token punctuation">]</span><span class="token punctuation">)</span><span class="token punctuation">;</span>\n <span class="token keyword">const</span> hide <span class="token operator">=</span> <span class="token maybe-class-name">React</span><span class="token punctuation">.</span><span class="token method function property-access">useCallback</span><span class="token punctuation">(</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token arrow operator">=></span> <span class="token function">setRevealed</span><span class="token punctuation">(</span><span class="token boolean">false</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token punctuation">[</span><span class="token punctuation">]</span><span class="token punctuation">)</span><span class="token punctuation">;</span>\n <span class="token keyword">return</span> <span class="token punctuation">(</span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span></span><span class="token punctuation">></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span><span class="token class-name">Waypoint</span></span> <span class="token attr-name">onEnter</span><span class="token script language-javascript"><span class="token script-punctuation punctuation">=</span><span class="token punctuation">{</span>reveal<span class="token punctuation">}</span></span> <span class="token attr-name">onLeave</span><span class="token script language-javascript"><span class="token script-punctuation punctuation">=</span><span class="token punctuation">{</span>hide<span class="token punctuation">}</span></span> <span class="token punctuation">/></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span><span class="token class-name">CSSTransition</span></span>\n <span class="token attr-name">in</span><span class="token script language-javascript"><span class="token script-punctuation punctuation">=</span><span class="token punctuation">{</span>revealed<span class="token punctuation">}</span></span>\n <span class="token attr-name">timeout</span><span class="token script language-javascript"><span class="token script-punctuation punctuation">=</span><span class="token punctuation">{</span><span class="token number">500</span><span class="token punctuation">}</span></span>\n <span class="token attr-name">classNames</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>waypoint-demo-reveal<span class="token punctuation">"</span></span>\n <span class="token attr-name">unmountOnExit</span>\n <span class="token punctuation">></span></span>\n <span class="token punctuation">{</span>props<span class="token punctuation">.</span><span class="token property-access">children</span><span class="token punctuation">}</span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"></</span><span class="token class-name">CSSTransition</span></span><span class="token punctuation">></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"></</span></span><span class="token punctuation">></span></span>\n <span class="token punctuation">)</span><span class="token punctuation">;</span>\n<span class="token punctuation">}</span>\n\n<span class="token keyword">function</span> <span class="token function"><span class="token maybe-class-name">Demo</span></span><span class="token punctuation">(</span><span class="token parameter">props</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>\n <span class="token keyword">return</span> <span class="token punctuation">(</span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token attr-name">className</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>waypoint-demo-reveal<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token attr-name">className</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>waypoint-demo-reveal__scrollable-parent<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span><span class="token class-name">Spacer</span></span> <span class="token punctuation">/></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span><span class="token class-name">Spacer</span></span> <span class="token punctuation">/></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span><span class="token class-name">Spacer</span></span> <span class="token punctuation">/></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span><span class="token class-name">Reveal</span></span><span class="token punctuation">></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>p</span> <span class="token attr-name">className</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>waypoint-demo-reveal-text<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>\n <span class="token maybe-class-name">Surely</span> <span class="token maybe-class-name">You</span>\'re <span class="token maybe-class-name">Joking</span><span class="token punctuation">,</span> <span class="token maybe-class-name">Mr</span><span class="token punctuation">.</span> <span class="token property-access"><span class="token maybe-class-name">Feynman</span></span><span class="token operator">!</span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>p</span><span class="token punctuation">></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"></</span><span class="token class-name">Reveal</span></span><span class="token punctuation">></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span><span class="token class-name">Spacer</span></span> <span class="token punctuation">/></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span><span class="token class-name">Spacer</span></span> <span class="token punctuation">/></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span><span class="token class-name">Spacer</span></span> <span class="token punctuation">/></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span>\n <span class="token punctuation">)</span><span class="token punctuation">;</span>\n<span class="token punctuation">}</span>\n\n<span class="token keyword">function</span> <span class="token function"><span class="token maybe-class-name">Spacer</span></span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>\n <span class="token keyword">return</span> <span class="token punctuation">(</span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token attr-name">className</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>waypoint-demo-reveal__spacer<span class="token punctuation">"</span></span><span class="token punctuation">></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"><</span><span class="token class-name">Icon</span></span> <span class="token attr-name">type</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>down<span class="token punctuation">"</span></span> <span class="token attr-name">className</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>waypoint-demo-reveal-pulse<span class="token punctuation">"</span></span> <span class="token punctuation">/></span></span>\n <span class="token tag"><span class="token tag"><span class="token punctuation"></</span>div</span><span class="token punctuation">></span></span>\n <span class="token punctuation">)</span><span class="token punctuation">;</span>\n<span class="token punctuation">}</span>\n\n<span class="token maybe-class-name">ReactDOM</span><span class="token punctuation">.</span><span class="token method function property-access">render</span><span class="token punctuation">(</span><span class="token tag"><span class="token tag"><span class="token punctuation"><</span><span class="token class-name">Demo</span></span> <span class="token punctuation">/></span></span><span class="token punctuation">,</span> mountNode<span class="token punctuation">)</span><span class="token punctuation">;</span>'},E.a.createElement(R)),E.a.createElement(O,{html:'<h3 class="anchor-heading"><a href="#api">¶</a><a href="javascript:void(0)" id="api" class="anchor-point"></a>API</h3>\n<table class="table">\n<thead>\n<tr>\n<th>参数</th>\n<th>说明</th>\n<th>类型</th>\n<th>是否必须</th>\n<th>默认值</th>\n<th>备选值</th>\n</tr>\n</thead>\n<tbody>\n<tr>\n<td>onEnter</td>\n<td>元素滚动到屏幕内时的回调函数</td>\n<td><code>(data: IWaypointCallbackData) => void</code></td>\n<td>否</td>\n<td></td>\n<td></td>\n</tr>\n<tr>\n<td>onLeave</td>\n<td>元素滚动到屏幕外时的回调函数</td>\n<td><code>(data: IWaypointCallbackData) => void</code></td>\n<td>否</td>\n<td></td>\n<td></td>\n</tr>\n<tr>\n<td>onPositionChange</td>\n<td>元素位置变化时的回调函数</td>\n<td><code>(data: IWaypointCallbackData) => void</code></td>\n<td>否</td>\n<td></td>\n<td></td>\n</tr>\n<tr>\n<td>topOffset</td>\n<td>距离容器顶部的距离</td>\n<td><code>number</code>\n \n|\n \n<code>string</code></td>\n<td>否</td>\n<td><code>0px</code></td>\n<td></td>\n</tr>\n<tr>\n<td>bottomOffset</td>\n<td>距离容器底部的距离</td>\n<td><code>number</code>\n \n|\n \n<code>string</code></td>\n<td>否</td>\n<td><code>0px</code></td>\n<td></td>\n</tr>\n<tr>\n<td>horizontal</td>\n<td>是否使用水平滚动模式</td>\n<td><code>boolean</code></td>\n<td>否</td>\n<td><code>false</code></td>\n<td><code>true</code></td>\n</tr>\n<tr>\n<td>scrollableAncestor</td>\n<td>指定滚动容器的 DOM 元素，一般当外层有多个滚动容器时才需要使用</td>\n<td><code>Element</code></td>\n<td>否</td>\n<td></td>\n<td></td>\n</tr>\n<tr>\n<td>fireOnRapidScroll</td>\n<td>当快速滚动时是否触发 \n<code>onEnter</code>\n 和 \n<code>onLeave</code></td>\n<td><code>boolean</code></td>\n<td>否</td>\n<td><code>true</code></td>\n<td></td>\n</tr>\n<tr>\n<td>children</td>\n<td>待追踪的元素，不传时可以认为是追踪屏幕内一条线</td>\n<td><code>ReactNode</code></td>\n<td>否</td>\n<td></td>\n<td></td>\n</tr>\n</tbody>\n</table>\n<p><strong>几点说明</strong></p>\n<ul>\n<li><a href="../../apidoc/interfaces/iwaypointcallbackdata.html"><code>IWaypointCallbackData</code> 的定义</a></li>\n<li>快速滚动顾名思义就是滚动速度非常快，元素可能进入屏幕后立刻又出了屏幕</li>\n<li><code>topOffset</code> 和 <code>bottomOffset</code> 可正可负，正负数效果和 <code>margin</code> 一样，正数往屏幕内偏移，负数往屏幕外偏移</li>\n<li><code>topOffset</code> 和 <code>bottomOffset</code> 可以是一个百分比，这个百分比是相对滚动容器大小的</li>\n<li>开启 <code>horizontal</code> 后，<code>topOffset</code> 其实是 <code>leftOffset</code>，而 <code>bottomOffset</code> 其实是 <code>rightOffset</code>，参数名特意没有变</li>\n<li><code>children</code> 只能是<strong>一个</strong>元素，这个元素必须是原生组件、<code>React.forwardRef</code> 包装过的自定义组件，或者是接受一个 <code>innerRef</code> 参数的自定义组件，其中自定义组件必须把 <code>ref</code> 设置到需要跟踪位置的 DOM 元素上</li>\n</ul>'}))}}]),s}(b.Component)}}]);