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3310-75a6078c893494259456.js
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opacity: 0.8;\n padding: 10px 0;\n pointer-events: none;\n text-align: center;\n width: 100%;\n}\n\n.waypoint-demo-reveal {\n position: relative;\n}\n\n.waypoint-demo-reveal__scrollable-parent {\n max-height: 400px;\n overflow: scroll;\n position: relative;\n}\n\n.waypoint-demo-reveal__spacer {\n color: #969799;\n font-size: 40px;\n line-height: 200px;\n text-align: center;\n}\n\n.waypoint-demo-reveal-text {\n\ttransition: opacity 500ms, transform 500ms;\n\ttext-align: center;\n\tpadding: 10px 0;\n}\n\n.waypoint-demo-reveal-enter {\n\topacity: 0;\n\ttransform: scale(0.1);\n}\n\n.waypoint-demo-reveal-enter-active {\n\topacity: 1;\n\ttransform: scale(1);\n}\n\n.waypoint-demo-reveal-exit {\n\topacity: 1;\n\ttransform: scale(0.9);\n}\n\n.waypoint-demo-reveal-exit-active {\n\topacity: 0;\n\ttransform: scale(0);\n}"}),o.createElement(v,{html:'<h2 class="anchor-heading"><a href="#waypoint">¶</a><a href="javascript:void(0)" id="waypoint" class="anchor-point"></a>Waypoint</h2>\n<p>Invoke a callback when scrolling to some DOM node, can be used in any scrolling container.</p>\n<p><strong>Can be used to implement:</strong></p>\n<ul>\n<li>Image lazy load</li>\n<li>Infinite scroll</li>\n<li>Affix</li>\n</ul>\n<h3 class="anchor-heading"><a href="#demos">¶</a><a href="javascript:void(0)" id="demos" class="anchor-point"></a>Demos</h3>'}),o.createElement(b,{title:"Basic Usage",id:"Demo01basic",src:'<span class="token keyword module">import</span> <span class="token imports"><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 maybe-class-name">Checkbox</span> <span class="token punctuation">}</span></span> <span class="token keyword module">from</span> <span class="token string">\'zent\'</span><span class="token punctuation">;</span>\n\n<span class="token keyword">function</span> <span 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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">true</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 enter\'</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 leave\'</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> setAuto <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 parameter">e</span> <span class="token arrow operator">=></span> <span class="token function">setAutoBorderWidth</span><span class="token punctuation">(</span>e<span class="token punctuation">.</span><span class="token property-access">target</span><span class="token punctuation">.</span><span class="token property-access">checked</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> autoProps <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">useMemo</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 punctuation">{</span>\n <span class="token keyword control-flow">return</span> autoBorderWidth <span class="token operator">?</span> <span class="token punctuation">{</span>\n <span class="token literal-property property">topOffset</span><span class="token operator">:</span> <span class="token string">\'auto\'</span><span class="token punctuation">,</span>\n <span class="token literal-property property">bottomOffset</span><span class="token operator">:</span> <span class="token string">\'auto\'</span>\n <span class="token punctuation">}</span> <span class="token operator">:</span> <span class="token punctuation">{</span><span class="token punctuation">}</span><span class="token punctuation">;</span>\n <span class="token punctuation">}</span><span class="token punctuation">,</span> <span class="token punctuation">[</span>autoBorderWidth<span class="token punctuation">]</span><span class="token punctuation">)</span><span class="token punctuation">;</span>\n\n <span class="token keyword control-flow">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 tag"><span class="token tag"><span class="token punctuation"><</span>div</span> <span class="token attr-name">style</span><span class="token script language-javascript"><span class="token script-punctuation punctuation">=</span><span class="token punctuation">{</span><span class="token punctuation">{</span><span class="token literal-property property">marginBottom</span><span class="token operator">:</span> <span class="token number">16</span><span class="token punctuation">}</span><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">Checkbox</span></span> <span class="token attr-name">checked</span><span class="token script language-javascript"><span class="token script-punctuation punctuation">=</span><span class="token punctuation">{</span>autoBorderWidth<span class="token punctuation">}</span></span> <span class="token attr-name">onChange</span><span class="token script language-javascript"><span class="token script-punctuation punctuation">=</span><span class="token punctuation">{</span>setAuto<span class="token punctuation">}</span></span><span class="token punctuation">></span></span>\n <span class="token maybe-class-name">Guess</span> topOffset and bottomOffset\n <span class="token tag"><span class="token tag"><span class="token punctuation"></</span><span class="token class-name">Checkbox</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>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><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 spread"><span class="token punctuation">{</span><span class="token spread operator">...</span>autoProps<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 control-flow">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>'},o.createElement(m)),o.createElement(b,{title:"Reveal",id:"Demo02reveal",src:'<span class="token keyword module">import</span> <span class="token imports"><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> <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 imports"><span class="token punctuation">{</span> <span class="token maybe-class-name">CSSTransition</span> <span class="token punctuation">}</span></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 control-flow">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 control-flow">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 control-flow">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>'},o.createElement(f)),o.createElement(v,{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>Property</th>\n<th>Description</th>\n<th>Type</th>\n<th>Required</th>\n<th>Default</th>\n<th>Alternative</th>\n</tr>\n</thead>\n<tbody>\n<tr>\n<td>onEnter</td>\n<td>Callback when element enters viewport</td>\n<td><code>(data: IWaypointCallbackData) => void</code></td>\n<td>No</td>\n<td></td>\n<td></td>\n</tr>\n<tr>\n<td>onLeave</td>\n<td>Callback when element leaves viewport</td>\n<td><code>(data: IWaypointCallbackData) => void</code></td>\n<td>No</td>\n<td></td>\n<td></td>\n</tr>\n<tr>\n<td>onPositionChange</td>\n<td>Callback when element position changes</td>\n<td><code>(data: IWaypointCallbackData) => void</code></td>\n<td>No</td>\n<td></td>\n<td></td>\n</tr>\n<tr>\n<td>topOffset</td>\n<td>Offset to scrolling container top</td>\n<td><code>number</code>\n \n|\n \n<code>\'auto\'</code>\n \n|\n \n<code>string</code></td>\n<td>No</td>\n<td><code>0px</code></td>\n<td></td>\n</tr>\n<tr>\n<td>bottomOffset</td>\n<td>Offset to scrolling container bottom</td>\n<td><code>number</code>\n \n|\n \n<code>\'auto\'</code>\n \n|\n \n<code>string</code></td>\n<td>No</td>\n<td><code>0px</code></td>\n<td></td>\n</tr>\n<tr>\n<td>horizontal</td>\n<td>Use horizontal scroll</td>\n<td><code>boolean</code></td>\n<td>No</td>\n<td><code>false</code></td>\n<td><code>true</code></td>\n</tr>\n<tr>\n<td>scrollableAncestor</td>\n<td>Specify a scrolling container DOM node</td>\n<td><code>Element</code></td>\n<td>No</td>\n<td></td>\n<td></td>\n</tr>\n<tr>\n<td>fireOnRapidScroll</td>\n<td>Trigger \n<code>onEnter</code>\n and \n<code>onLeave</code>\n on rapid scroll</td>\n<td><code>boolean</code></td>\n<td>No</td>\n<td><code>true</code></td>\n<td></td>\n</tr>\n<tr>\n<td>children</td>\n<td>Element to track, you can think of the waypoint as a line across the container if omitted</td>\n<td><code>ReactNode</code></td>\n<td>No</td>\n<td></td>\n<td></td>\n</tr>\n</tbody>\n</table>\n<h4 class="anchor-heading"><a href="#topoffset-and-bottomoffset">¶</a><a href="javascript:void(0)" id="topoffset-and-bottomoffset" class="anchor-point"></a><code>topOffset</code> and <code>bottomOffset</code></h4>\n<ul>\n<li>Scroll container\'s <a href="https://developer.mozilla.org/en-US/docs/Web/API/CSS_Object_Model/Determining_the_dimensions_of_elements#what.27s_the_size_of_the_displayed_content.3f">scroll area</a> is <code>clientWidth</code>✖️<code>clientHeight</code>, but <code>getBoundingClientRect</code> returns <code>width</code> and <code>height</code> with <code>border</code> included. You need to set <code>topOffset</code> and <code>bottomOffset</code> if your scroll container has borders.</li>\n<li><code>topOffset</code> and <code>bottomOffset</code> can be positive or negative just like <code>margin</code>. Positive value pushes the boundaries inward the page, and negative value pushes boundaries outward the page.</li>\n<li>You can use percentage value in <code>topOffset</code> and <code>bottomOffset</code>, relative to its scrolling container.</li>\n<li>If <code>horizontal</code> is on, <code>topOffset</code> becomes <code>leftOffset</code>, and <code>bottomOffset</code> becomes <code>rightOffset</code>. Names are kept the same for simplicity\'s sake.</li>\n<li><code>topOffset</code> and <code>bottomOffset</code> can be set to <code>\'auto\'</code>, <code>Waypoint</code> will infer scroll container\'s border width and fall back to <code>0</code> if infer fails. Don\'t use <code>transform</code> on scroll container with <code>\'auto\'</code>.</li>\n</ul>\n<h3 class="anchor-heading"><a href="#faqs">¶</a><a href="javascript:void(0)" id="faqs" class="anchor-point"></a>FAQs</h3>\n<ul>\n<li><a href="../../apidoc/interfaces/IWaypointCallbackData.html">Definition of <code>IWaypointCallbackData</code></a>.</li>\n<li>A rapid scroll is when you scroll the page fast enough, the tracking element leaves the viewport immediately after it enters the viewport.</li>\n<li><code>children</code> can only be <strong>one</strong> element, it must be one of native DOM element, element returned from <code>React.forwardRef</code>, or an element with an <code>innerRef</code> prop. 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