primereact
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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
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JavaScript
import*as e from"react";import t,{localeOption as n,FilterService as r}from"primereact/api";import{useOverlayListener as o,useMountEffect as l,useUpdateEffect as i,useUnmountEffect as a}from"primereact/hooks";import{OverlayService as u}from"primereact/overlayservice";import{Tooltip as c}from"primereact/tooltip";import{classNames as p,ObjectUtils as s,DomHandler as f,ZIndexUtils as d}from"primereact/utils";import{CSSTransition as m}from"primereact/csstransition";import{Portal as v}from"primereact/portal";import{VirtualScroller as b}from"primereact/virtualscroller";import{Ripple as g}from"primereact/ripple";function y(){return y=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},y.apply(this,arguments)}function h(e){return h="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e},h(e)}function w(e,t,n){return t in e?Object.defineProperty(e,t,{value:n,enumerable:!0,configurable:!0,writable:!0}):e[t]=n,e}function O(e){if(Array.isArray(e))return e}function E(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 C(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 F(e,t){if(e){if("string"==typeof e)return C(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)?C(e,t):void 0}}function S(){throw new TypeError("Invalid attempt to 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n=null!=arguments[t]?arguments[t]:{};t%2?D(Object(n),!0).forEach((function(t){w(e,t,n[t])})):Object.getOwnPropertyDescriptors?Object.defineProperties(e,Object.getOwnPropertyDescriptors(n)):D(Object(n)).forEach((function(t){Object.defineProperty(e,t,Object.getOwnPropertyDescriptor(n,t))}))}return e}x.displayName="DropdownItem";var N=e.memo(e.forwardRef((function(t,r){var o,l,i,a=e.useRef(null),u=e.useRef(null),c=!(t.visibleOptions&&t.visibleOptions.length)&&t.hasFilter,d={filter:function(e){return w(e)},reset:function(){return t.resetFilter()}},g=function(){t.onEnter((function(){if(a.current){var e=t.getSelectedOptionIndex();-1!==e&&setTimeout((function(){return a.current.scrollToIndex(e)}),0)}}))},h=function(){t.onEntered((function(){t.filter&&t.filterInputAutoFocus&&f.focus(u.current,!1)}))},w=function(e){a.current&&a.current.scrollToIndex(0),t.onFilterInputChange&&t.onFilterInputChange(e)},O=function(n,r){return t.getOptionGroupChildren(n).map((function(n,o){var l=t.getOptionLabel(n),i=o+"_"+t.getOptionRenderKey(n),a=t.isOptionDisabled(n);return e.createElement(x,{key:i,label:l,option:n,style:r,template:t.itemTemplate,selected:t.isSelected(n),disabled:a,onClick:t.onOptionClick})}))},E=function(r,o){var l=s.getJSXElement(r,t)||n(o?"emptyFilterMessage":"emptyMessage");return e.createElement("li",{className:"p-dropdown-empty-message"},l)},C=function(n,r){var o=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},l={height:o.props?o.props.itemSize:void 0};if(t.optionGroupLabel){var i=t.optionGroupTemplate?s.getJSXElement(t.optionGroupTemplate,n,r):t.getOptionGroupLabel(n),a=O(n,l),u=r+"_"+t.getOptionGroupRenderKey(n);return e.createElement(e.Fragment,{key:u},e.createElement("li",{className:"p-dropdown-item-group",style:l},i),a)}var c=t.getOptionLabel(n),p=r+"_"+t.getOptionRenderKey(n),f=t.isOptionDisabled(n);return e.createElement(x,{key:p,label:c,option:n,style:l,template:t.itemTemplate,selected:t.isSelected(n),disabled:f,onClick:t.onOptionClick})},F=function(){if(t.showFilterClear&&t.filterValue){var r=n("clear");return e.createElement("i",{className:"p-dropdown-filter-clear-icon pi pi-times","aria-label":r,onClick:function(){return t.onFilterClearIconClick((function(){return f.focus(u.current)}))}})}return null},S=function(){if(t.filter){var n=F(),r=p("p-dropdown-filter-container",{"p-dropdown-clearable-filter":!!n}),o=e.createElement("div",{className:r},e.createElement("input",{ref:u,type:"text",autoComplete:"off",className:"p-dropdown-filter p-inputtext p-component",placeholder:t.filterPlaceholder,onKeyDown:t.onFilterInputKeyDown,onChange:w,value:t.filterValue}),n,e.createElement("i",{className:"p-dropdown-filter-icon pi pi-search"}));if(t.filterTemplate)o=s.getJSXElement(t.filterTemplate,{className:r,element:o,filterOptions:d,filterInputKeyDown:t.onFilterInputKeyDown,filterInputChange:w,filterIconClassName:"p-dropdown-filter-icon pi pi-search",clearIcon:n,props:t});return e.createElement("div",{className:"p-dropdown-header"},o)}return null},I=function(){if(t.virtualScrollerOptions){var n=L(L({},t.virtualScrollerOptions),{style:L(L({},t.virtualScrollerOptions.style),{height:t.scrollHeight}),className:p("p-dropdown-items-wrapper",t.virtualScrollerOptions.className),items:t.visibleOptions,autoSize:!0,onLazyLoad:function(e){return t.virtualScrollerOptions.onLazyLoad(L(L({},e),{filter:t.filterValue}))},itemTemplate:function(e,t){return e&&C(e,t.index,t)},contentTemplate:function(t){var n=p("p-dropdown-items",t.className),r=c?E():t.children;return e.createElement("ul",{ref:t.contentRef,className:n,role:"listbox"},r)}});return e.createElement(b,y({ref:a},n))}var r=s.isNotEmpty(t.visibleOptions)?t.visibleOptions.map(C):t.hasFilter?E(t.emptyFilterMessage,!0):E(t.emptyMessage);return e.createElement("div",{className:"p-dropdown-items-wrapper",style:{maxHeight:t.scrollHeight||"auto"}},e.createElement("ul",{className:"p-dropdown-items",role:"listbox"},r))},D=(o=p("p-dropdown-panel p-component",t.panelClassName),l=S(),i=I(),e.createElement(m,{nodeRef:r,classNames:"p-connected-overlay",in:t.in,timeout:{enter:120,exit:100},options:t.transitionOptions,unmountOnExit:!0,onEnter:g,onEntering:t.onEntering,onEntered:h,onExit:t.onExit,onExited:t.onExited},e.createElement("div",{ref:r,className:o,style:t.panelStyle,onClick:t.onClick},l,i)));return e.createElement(v,{element:D,appendTo:t.appendTo})})));function j(e,t){var n=Object.keys(e);if(Object.getOwnPropertySymbols){var r=Object.getOwnPropertySymbols(e);t&&(r=r.filter((function(t){return Object.getOwnPropertyDescriptor(e,t).enumerable}))),n.push.apply(n,r)}return n}function k(e){for(var t=1;t<arguments.length;t++){var n=null!=arguments[t]?arguments[t]:{};t%2?j(Object(n),!0).forEach((function(t){w(e,t,n[t])})):Object.getOwnPropertyDescriptors?Object.defineProperties(e,Object.getOwnPropertyDescriptors(n)):j(Object(n)).forEach((function(t){Object.defineProperty(e,t,Object.getOwnPropertyDescriptor(n,t))}))}return e}function T(e,t){var n="undefined"!=typeof Symbol&&e[Symbol.iterator]||e["@@iterator"];if(!n){if(Array.isArray(e)||(n=P(e))||t&&e&&"number"==typeof e.length){n&&(e=n);var r=0,o=function(){};return{s:o,n:function(){return r>=e.length?{done:!0}:{done:!1,value:e[r++]}},e:function(e){throw e},f:o}}throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}var l,i=!0,a=!1;return{s:function(){n=n.call(e)},n:function(){var e=n.next();return i=e.done,e},e:function(e){a=!0,l=e},f:function(){try{i||null==n.return||n.return()}finally{if(a)throw l}}}}function P(e,t){if(e){if("string"==typeof e)return R(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)?R(e,t):void 0}}function R(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}N.displayName="DropdownPanel";var G=e.memo(e.forwardRef((function(n,m){var v=I(e.useState(""),2),b=v[0],g=v[1],w=I(e.useState(!1),2),O=w[0],E=w[1],C=I(e.useState(!1),2),F=C[0],S=C[1],x=e.useRef(null),D=e.useRef(null),L=e.useRef(n.inputRef),j=e.useRef(null),P=e.useRef(null),R=e.useRef(null),M=e.useRef(null),K=n.virtualScrollerOptions&&n.virtualScrollerOptions.lazy,A=s.isNotEmpty(b),V=n.appendTo||t.appendTo,H=I(o({target:x,overlay:D,listener:function(e,t){t.valid&&("outside"===t.type?!_(e)&&me():me())},when:F}),2),B=H[0],z=H[1],_=function(e){return f.hasClass(e.target,"p-dropdown-clear-icon")||f.hasClass(e.target,"p-dropdown-filter-clear-icon")},q=function(e){n.showOnFocus&&!F&&de(),E(!0),n.onFocus&&n.onFocus(e)},J=function(e){E(!1),n.onBlur&&setTimeout((function(){var t=L.current?L.current.value:void 0;n.onBlur({originalEvent:e.originalEvent,value:t,stopPropagation:function(){},preventDefault:function(){},target:{name:n.name,id:n.id,value:t}})}),200)},X=function(e){switch(e.which){case 40:$(e);break;case 38:U(e);break;case 32:case 13:F?me():de(),e.preventDefault();break;case 27:case 9:me();break;default:ee(e)}},U=function(e){if(Fe){var t=Z(pe());t&&ce({originalEvent:e,option:t})}e.preventDefault()},$=function(e){if(Fe)if(!F&&e.altKey)de();else{var t=W(pe());t&&ce({originalEvent:e,option:t})}e.preventDefault()},W=function e(t){if(n.optionGroupLabel){var r=-1===t?0:t.group,o=-1===t?-1:t.option,l=Y(we(Fe[r]),o);return l||(r+1!==Fe.length?e({group:r+1,option:-1}):null)}return Y(Fe,t)},Y=function e(t,n){var r=n+1;if(r===t.length)return null;var o=t[r];return he(o)?e(r):o},Z=function e(t){if(-1===t)return null;if(n.optionGroupLabel){var r=t.group,o=t.option,l=Q(we(Fe[r]),o);return l||(r>0?e({group:r-1,option:we(Fe[r-1]).length}):null)}return Q(Fe,t)},Q=function(e,t){var n=t-1;if(n<0)return null;var r=e[n];return he(r)?Z(n):r},ee=function(e){P.current&&clearTimeout(P.current);var t=e.key;if("Shift"!==t&&"Control"!==t&&"Alt"!==t){if(R.current=M.current===t?t:R.current?R.current+t:t,M.current=t,R.current){var r=pe(),o=n.optionGroupLabel?re(r):te(r+1);o&&ce({originalEvent:e,option:o})}P.current=setTimeout((function(){R.current=null}),250)}},te=function(e){return R.current?ne(e,Fe.length)||ne(0,e):null},ne=function(e,t){for(var n=e;n<t;n++){var r=Fe[n];if(oe(r))return r}return null},re=function(e){for(var t=-1===e?{group:0,option:-1}:e,n=t.group;n<Fe.length;n++)for(var r=we(Fe[n]),o=t.group===n?t.option+1:0;o<r.length;o++)if(oe(r[o]))return r[o];for(var l=0;l<=t.group;l++)for(var i=we(Fe[l]),a=0;a<(t.group===l?t.option:i.length);a++)if(oe(i[a]))return i[a];return null},oe=function(e){var t=ge(e);return!!t&&(t=t.toLocaleLowerCase(n.filterLocale)).startsWith(R.current.toLocaleLowerCase(n.filterLocale))},le=function(e){n.onChange&&n.onChange({originalEvent:e.originalEvent,value:e.target.value,stopPropagation:function(){},preventDefault:function(){},target:{name:n.name,id:n.id,value:e.target.value}})},ie=function(e){E(!0),me(),n.onFocus&&n.onFocus(e)},ae=function(e){g(""),n.onFilter&&n.onFilter({filter:""}),e&&e()},ue=function(e){n.onChange&&n.onChange({originalEvent:e,value:void 0,stopPropagation:function(){},preventDefault:function(){},target:{name:n.name,id:n.id,value:void 0}}),be()},ce=function(e){if(Se!==e.option){be(e.option);var t=ye(e.option);n.onChange&&n.onChange({originalEvent:e.originalEvent,value:t,stopPropagation:function(){},preventDefault:function(){},target:{name:n.name,id:n.id,value:t}})}},pe=function(e){if(e=e||Fe,null!=n.value&&e){if(!n.optionGroupLabel)return fe(n.value,e);for(var t=0;t<e.length;t++){var r=fe(n.value,we(e[t]));if(-1!==r)return{group:t,option:r}}}return-1},se=function(){return n.optionValue?null:n.dataKey},fe=function(e,t){var n=se();return t.findIndex((function(t){return s.equals(e,ye(t),n)}))},de=function(){S(!0)},me=function(){S(!1)},ve=function(){f.alignOverlay(D.current,L.current.parentElement,n.appendTo||t.appendTo)},be=function(e){L.current&&(L.current.value=e?ge(e):n.value||"")},ge=function(e){return n.optionLabel?s.resolveFieldData(e,n.optionLabel):e&&void 0!==e.label?e.label:e},ye=function(e){return n.optionValue?s.resolveFieldData(e,n.optionValue):e&&void 0!==e.value?e.value:e},he=function(e){return n.optionDisabled?s.isFunction(n.optionDisabled)?n.optionDisabled(e):s.resolveFieldData(e,n.optionDisabled):!(!e||void 0===e.disabled)&&e.disabled},we=function(e){return s.resolveFieldData(e,n.optionGroupChildren)},Oe=function(){if(n.editable&&L.current){var e=Se?ge(Se):null;L.current.value=e||n.value||""}};e.useImperativeHandle(m,(function(){return{props:n,show:de,hide:me,getElement:function(){return x.current},getOverlay:function(){return D.current},getInput:function(){return L.current},getFocusInput:function(){return j.current}}})),e.useEffect((function(){s.combinedRefs(L,n.inputRef)}),[L,n.inputRef]),l((function(){n.autoFocus&&f.focus(j.current,n.autoFocus)})),i((function(){var e;F&&n.value&&(e=f.findSingle(D.current,"li.p-highlight"))&&e.scrollIntoView&&e.scrollIntoView({block:"nearest",inline:"nearest"})}),[F,n.value]),i((function(){F&&n.filter&&ve()}),[F,n.filter]),i((function(){!b||n.options&&0!==n.options.length||g(""),Oe(),L.current&&(L.current.selectedIndex=1)})),a((function(){d.clear(D.current)}));var Ee,Ce,Fe=function(){if(A&&!K){var e=b.trim().toLocaleLowerCase(n.filterLocale),t=n.filterBy?n.filterBy.split(","):[n.optionLabel||"label"];if(n.optionGroupLabel){var o,l=[],i=T(n.options);try{for(i.s();!(o=i.n()).done;){var a=o.value,u=r.filter(we(a),t,e,n.filterMatchMode,n.filterLocale);u&&u.length&&l.push(k(k({},a),{items:u}))}}catch(e){i.e(e)}finally{i.f()}return l}return r.filter(n.options,t,e,n.filterMatchMode,n.filterLocale)}return n.options}(),Se=-1!==(Ee=pe(n.options))?n.optionGroupLabel?we(n.options[Ee.group])[Ee.option]:n.options[Ee]:null,Ie=s.isNotEmpty(n.tooltip),xe=s.findDiffKeys(n,G.defaultProps),De=s.reduceKeys(xe,f.ARIA_PROPS),Le=p("p-dropdown p-component p-inputwrapper",{"p-disabled":n.disabled,"p-focus":O,"p-dropdown-clearable":n.showClear&&!n.disabled,"p-inputwrapper-filled":s.isNotEmpty(n.value),"p-inputwrapper-focus":O||F},n.className),Ne=function(){var t={value:"",label:n.placeholder};if(Se){var r=ye(Se);t={value:"object"===h(r)?n.options.findIndex((function(e){return e===r})):r,label:ge(Se)}}return e.createElement("div",{className:"p-hidden-accessible p-dropdown-hidden-select"},e.createElement("select",{ref:L,required:n.required,defaultValue:t.value,name:n.name,tabIndex:-1,"aria-hidden":"true"},e.createElement("option",{value:t.value},t.label)))}(),je=e.createElement("div",{className:"p-hidden-accessible"},e.createElement("input",y({ref:j,id:n.inputId,type:"text",readOnly:!0,"aria-haspopup":"listbox",onFocus:q,onBlur:J,onKeyDown:X,disabled:n.disabled,tabIndex:n.tabIndex},De))),ke=function(){var t=s.isNotEmpty(Se)?ge(Se):null;if(n.editable)return e.createElement("input",y({ref:L,type:"text",defaultValue:t||n.value||"",className:"p-dropdown-label p-inputtext",disabled:n.disabled,placeholder:n.placeholder,maxLength:n.maxLength,onInput:le,onFocus:ie,onBlur:J,"aria-haspopup":"listbox"},De));var r=p("p-dropdown-label p-inputtext",{"p-placeholder":null===t&&n.placeholder,"p-dropdown-label-empty":null===t&&!n.placeholder}),o=n.valueTemplate?s.getJSXElement(n.valueTemplate,Se,n):t||n.placeholder||"empty";return e.createElement("span",{ref:L,className:r},o)}(),Te=(Ce=p("p-dropdown-trigger-icon p-clickable",n.dropdownIcon),e.createElement("div",{className:"p-dropdown-trigger",role:"button","aria-haspopup":"listbox","aria-expanded":F,"aria-label":n.placeholder||n.ariaLabel},e.createElement("span",{className:Ce}))),Pe=null!=n.value&&n.showClear&&!n.disabled?e.createElement("i",{className:"p-dropdown-clear-icon pi pi-times",onClick:ue}):null;return e.createElement(e.Fragment,null,e.createElement("div",y({ref:x,id:n.id,className:Le,style:n.style},xe,{onClick:function(e){n.disabled||f.hasClass(e.target,"p-dropdown-clear-icon")||"INPUT"===e.target.tagName||D.current&&D.current&&D.current.contains(e.target)||(f.focus(j.current),F?me():de())},onMouseDown:n.onMouseDown,onContextMenu:n.onContextMenu}),je,Ne,ke,Pe,Te,e.createElement(N,y({ref:D,visibleOptions:Fe},n,{appendTo:V,onClick:function(e){u.emit("overlay-click",{originalEvent:e,target:x.current})},onOptionClick:function(e){e.option.disabled||(ce(e),f.focus(j.current)),me()},filterValue:b,hasFilter:A,onFilterClearIconClick:function(e){ae(e)},resetFilter:ae,onFilterInputKeyDown:function(e){switch(e.which){case 40:$(e);break;case 38:U(e);break;case 13:case 27:me(),e.preventDefault()}},onFilterInputChange:function(e){var t=e.target.value;g(t),n.onFilter&&n.onFilter({originalEvent:e,filter:t})},getOptionLabel:ge,getOptionRenderKey:function(e){return n.dataKey?s.resolveFieldData(e,n.dataKey):ge(e)},isOptionDisabled:he,getOptionGroupChildren:we,getOptionGroupLabel:function(e){return s.resolveFieldData(e,n.optionGroupLabel)},getOptionGroupRenderKey:function(e){return s.resolveFieldData(e,n.optionGroupLabel)},isSelected:function(e){return s.equals(n.value,ye(e),se())},getSelectedOptionIndex:pe,in:F,onEnter:function(e){d.set("overlay",D.current,t.autoZIndex,t.zIndex.overlay),ve(),e&&e()},onEntered:function(e){e&&e(),B(),n.onShow&&n.onShow()},onExit:function(){z()},onExited:function(){n.filter&&n.resetFilterOnHide&&ae(),d.clear(D.current),n.onHide&&n.onHide()}}))),Ie&&e.createElement(c,y({target:x,content:n.tooltip},n.tooltipOptions)))})));G.displayName="Dropdown",G.defaultProps={__TYPE:"Dropdown",appendTo:null,ariaLabel:null,ariaLabelledBy:null,autoFocus:!1,className:null,dataKey:null,disabled:!1,dropdownIcon:"pi pi-chevron-down",editable:!1,emptyFilterMessage:null,emptyMessage:null,filter:!1,filterBy:null,filterInputAutoFocus:!0,filterLocale:void 0,filterMatchMode:"contains",filterPlaceholder:null,filterTemplate:null,id:null,inputId:null,inputRef:null,itemTemplate:null,maxLength:null,name:null,onBlur:null,onChange:null,onContextMenu:null,onFilter:null,onFocus:null,onHide:null,onMouseDown:null,onShow:null,optionDisabled:null,optionGroupChildren:null,optionGroupLabel:null,optionGroupTemplate:null,optionLabel:null,optionValue:null,options:null,panelClassName:null,panelStyle:null,placeholder:null,required:!1,resetFilterOnHide:!1,scrollHeight:"200px",showClear:!1,showFilterClear:!1,showOnFocus:!1,style:null,tabIndex:null,tooltip:null,tooltipOptions:null,transitionOptions:null,value:null,valueTemplate:null,virtualScrollerOptions:null};export{G as Dropdown};