primereact/scrolltop/scrolltop.min.js

PrimeReact is an open source UI library for React featuring a rich set of 80+ 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,n,r,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(n){if("default"!==n){var r=Object.getOwnPropertyDescriptor(e,n);Object.defineProperty(t,n,r.get?r:{enumerable:!0,get:function(){return e[n]}})}})),t.default=e,Object.freeze(t)}var u=c(t),s=a(n);function p(){return p=Object.assign?Object.assign.bind():function(e){for(var t=1;t<arguments.length;t++){var n=arguments[t];for(var r in n)Object.prototype.hasOwnProperty.call(n,r)&&(e[r]=n[r])}return e},p.apply(this,arguments)}function f(e){if(Array.isArray(e))return e}function d(e,t){var n=null==e?null:"undefined"!=typeof Symbol&&e[Symbol.iterator]||e["@@iterator"];if(null!=n){var r,o,l=[],i=!0,a=!1;try{for(n=n.call(e);!(i=(r=n.next()).done)&&(l.push(r.value),!t||l.length!==t);i=!0);}catch(e){a=!0,o=e}finally{try{i||null==n.return||n.return()}finally{if(a)throw o}}return l}}function m(e,t){(null==t||t>e.length)&&(t=e.length);for(var n=0,r=new Array(t);n<t;n++)r[n]=e[n];return r}function y(e,t){if(e){if("string"==typeof e)return m(e,t);var n=Object.prototype.toString.call(e).slice(8,-1);return"Object"===n&&e.constructor&&(n=e.constructor.name),"Map"===n||"Set"===n?Array.from(e):"Arguments"===n||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)?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 b(e,t){return f(e)||d(e,t)||y(e,t)||h()}var v=u.memo(u.forwardRef((function(e,t){var n=b(u.useState(!1),2),a=n[0],c=n[1],f=u.useRef(null),d=u.useRef(null),m="parent"===e.target,y=b(o.useEventListener({target:function(){return d.current&&d.current.parentElement},type:"scroll",listener:function(e){g(e.currentTarget.scrollTop)}}),1)[0],h=b(o.useEventListener({target:"window",type:"scroll",listener:function(){g(i.DomHandler.getWindowScrollTop())}}),1)[0],g=function(t){c(t>e.threshold)};u.useImperativeHandle(t,(function(){return{props:e,getElement:function(){return elementRef.current}}})),o.useMountEffect((function(){"window"===e.target?h():"parent"===e.target&&y()})),o.useUnmountEffect((function(){i.ZIndexUtils.clear(f.current)}));var w=i.ObjectUtils.findDiffKeys(e,v.defaultProps),E=i.classNames("p-scrolltop p-link p-component",{"p-scrolltop-sticky":"window"!==e.target},e.className);return u.createElement(u.Fragment,null,u.createElement(r.CSSTransition,{nodeRef:f,classNames:"p-scrolltop",in:a,timeout:{enter:150,exit:150},options:e.transitionOptions,unmountOnExit:!0,onEnter:function(){i.ZIndexUtils.set("overlay",f.current,s.default.autoZIndex,s.default.zIndex.overlay)},onEntered:function(){e.onShow&&e.onShow()},onExited:function(){i.ZIndexUtils.clear(f.current),e.onHide&&e.onHide()}},u.createElement("button",p({ref:f,type:"button",className:E,style:e.style},w,{onClick:function(){("window"===e.target?window:d.current.parentElement).scroll({top:0,behavior:e.behavior})}}),i.IconUtils.getJSXIcon(e.icon,{className:"p-scrolltop-icon"},{props:e}),u.createElement(l.Ripple,null))),m&&u.createElement("span",{ref:d,className:"p-scrolltop-helper"}))})));return v.displayName="ScrollTop",v.defaultProps={__TYPE:"ScrollTop",target:"window",threshold:400,icon:"pi pi-chevron-up",behavior:"smooth",className:null,style:null,transitionOptions:null,onShow:null,onHide:null},e.ScrollTop=v,Object.defineProperty(e,"__esModule",{value:!0}),e}({},React,primereact.api,primereact.csstransition,primereact.hooks,primereact.ripple,primereact.utils);