primereact/scrolltop/scrolltop.min.js

PrimeReact is an open source UI library for React featuring a rich set of 90+ components, a theme designer, various theme alternatives such as Material, Bootstrap, Tailwind, premium templates and professional support. In addition, it integrates with Prime

this.primereact=this.primereact||{},this.primereact.scrolltop=function(e,t,r,n,o,l,i){"use strict";function a(e){return e&&"object"==typeof e&&"default"in e?e:{default:e}}function c(e){if(e&&e.__esModule)return e;var t=Object.create(null);return e&&Object.keys(e).forEach((function(r){if("default"!==r){var n=Object.getOwnPropertyDescriptor(e,r);Object.defineProperty(t,r,n.get?n:{enumerable:!0,get:function(){return e[r]}})}})),t.default=e,Object.freeze(t)}var u=c(t),s=a(r);function p(){return p=Object.assign?Object.assign.bind():function(e){for(var t=1;t<arguments.length;t++){var r=arguments[t];for(var n in r)Object.prototype.hasOwnProperty.call(r,n)&&(e[n]=r[n])}return e},p.apply(this,arguments)}function f(e){if(Array.isArray(e))return e}function d(e,t){var r=null==e?null:"undefined"!=typeof Symbol&&e[Symbol.iterator]||e["@@iterator"];if(null!=r){var n,o,l,i,a=[],c=!0,u=!1;try{if(l=(r=r.call(e)).next,0===t){if(Object(r)!==r)return;c=!1}else for(;!(c=(n=l.call(r)).done)&&(a.push(n.value),a.length!==t);c=!0);}catch(e){u=!0,o=e}finally{try{if(!c&&null!=r.return&&(i=r.return(),Object(i)!==i))return}finally{if(u)throw o}}return a}}function m(e,t){(null==t||t>e.length)&&(t=e.length);for(var r=0,n=new Array(t);r<t;r++)n[r]=e[r];return n}function y(e,t){if(e){if("string"==typeof e)return m(e,t);var r=Object.prototype.toString.call(e).slice(8,-1);return"Object"===r&&e.constructor&&(r=e.constructor.name),"Map"===r||"Set"===r?Array.from(e):"Arguments"===r||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(r)?m(e,t):void 0}}function h(){throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}function g(e,t){return f(e)||d(e,t)||y(e,t)||h()}var b={defaultProps:{__TYPE:"ScrollTop",target:"window",threshold:400,icon:"pi pi-chevron-up",behavior:"smooth",className:null,style:null,transitionOptions:null,onShow:null,onHide:null,children:void 0},getProps:function(e){return i.ObjectUtils.getMergedProps(e,b.defaultProps)},getOtherProps:function(e){return i.ObjectUtils.getDiffProps(e,b.defaultProps)}},v=u.memo(u.forwardRef((function(e,t){var r=b.getProps(e),a=g(u.useState(!1),2),c=a[0],f=a[1],d=u.useRef(null),m=u.useRef(null),y="parent"===r.target,h=g(o.useEventListener({target:function(){return m.current&&m.current.parentElement},type:"scroll",listener:function(e){w(e.currentTarget.scrollTop)}}),1)[0],v=g(o.useEventListener({target:"window",type:"scroll",listener:function(){w(i.DomHandler.getWindowScrollTop())}}),1)[0],w=function(e){f(e>r.threshold)};u.useImperativeHandle(t,(function(){return{props:r,getElement:function(){return elementRef.current}}})),o.useMountEffect((function(){"window"===r.target?v():"parent"===r.target&&h()})),o.useUnmountEffect((function(){i.ZIndexUtils.clear(d.current)}));var O=b.getOtherProps(r),E=i.classNames("p-scrolltop p-link p-component",{"p-scrolltop-sticky":"window"!==r.target},r.className);return u.createElement(u.Fragment,null,u.createElement(n.CSSTransition,{nodeRef:d,classNames:"p-scrolltop",in:c,timeout:{enter:150,exit:150},options:r.transitionOptions,unmountOnExit:!0,onEnter:function(){i.ZIndexUtils.set("overlay",d.current,s.default.autoZIndex,s.default.zIndex.overlay)},onEntered:function(){r.onShow&&r.onShow()},onExited:function(){i.ZIndexUtils.clear(d.current),r.onHide&&r.onHide()}},u.createElement("button",p({ref:d,type:"button",className:E,style:r.style},O,{onClick:function(){("window"===r.target?window:m.current.parentElement).scroll({top:0,behavior:r.behavior})}}),i.IconUtils.getJSXIcon(r.icon,{className:"p-scrolltop-icon"},{props:r}),u.createElement(l.Ripple,null))),y&&u.createElement("span",{ref:m,className:"p-scrolltop-helper"}))})));return v.displayName="ScrollTop",e.ScrollTop=v,Object.defineProperty(e,"__esModule",{value:!0}),e}({},React,primereact.api,primereact.csstransition,primereact.hooks,primereact.ripple,primereact.utils);