https://www.newtownbee.com/wp-content/plugins/events-made-easy/js/snapselect/snapselect.min.js?ver=3.0.56

1(function(){class SnapSelect{constructor(element,options={}){this.select=element;this.isMultiple=element.multiple;this.config=this._buildConfig(options);if(this.config.maxSelections===1)this.isMultiple=false;this._ajaxCache=new Map;this._currentPage=1;this._currentSearch="";this._hasMorePages=false;this._isLoadingAjax=false;this._debounceTimer=null;this._activeRequest=null;this._itemsContainer=null;this._dropdownOverlay=null;this._searchInput=null;this._clearSearchBtn=null;this._loadingIndicator=null;this._infiniteAnchor=null;this._infiniteObserver=null;this._selectedValues=new Set;this._checkboxMap=new Map;this._normaliseAjaxConfig();this._prepareEmptyOption();this._buildDOM();this._initSelection();this._wireLabels();this._wireValidation();this._wireDisabled();this._wireDOMCleanup();this._reposition=()=>this._positionDropdown();this._scrollHandler=e=>{if(!this._itemsContainer?.contains(e.target))this._positionDropdown()};this._resizeObserver=new ResizeObserver(this._reposition)}destroy(){if(this._itemsContainer)this._closeDropdown();this._resizeObserver?.disconnect();this._resizeObserver=null;this._reposition=null;this._scrollHandler=null;this._disabledObserver?.disconnect();this._disabledObserver=null;(this._fieldsetObservers||[]).forEach(o=>o.disconnect());this._fieldsetObservers=null;this._customSelect=null;this._selectedContainer=null;this._itemsContainer=null;this.select=null}_buildConfig(options){const data=this._readDataAttributes(this.select);const pick=(dataVal,optVal,fallback)=>dataVal!==undefined?dataVal:optVal!==undefined?optVal:fallback;const placeholderDefault=pick(data.placeholder,options.placeholder,"");let showClearButtonDefault=false;if(placeholderDefault)showClearButtonDefault=true;const config={liveSearch:pick(data.liveSearch,options.liveSearch,false),maxSelections:pick(data.maxSelections,options.maxSelections,options.maxItems!==undefined?options.maxItems:Infinity),placeholder:placeholderDefault,showClearButton:pick(data.showClearButton,options.showClearButton,options.clearAllButton!==undefined?options.clearAllButton:options.allowEmpty!==undefined?options.allowEmpty:showClearButtonDefault),selectOptgroups:pick(data.selectOptgroups,options.selectOptgroups,false),selectAllOption:pick(data.selectAllOption,options.selectAllOption,false),closeOnSelect:pick(data.closeOnSelect,options.closeOnSelect,true),defaultText:pick(data.defaultText,options.defaultText,"Select..."),aja

1x:options.ajax||null,onItemAdd:typeof options.onItemAdd==="function"?options.onItemAdd:null,onItemDelete:typeof options.onItemDelete==="function"?options.onItemDelete:null};return config}_readDataAttributes(sel){const bool=(...attrs)=>{for(const attr of attrs){if(sel.hasAttribute(attr))return sel.getAttribute(attr)==="true"}return undefined};const int=(...attrs)=>{for(const attr of attrs){if(sel.hasAttribute(attr))return parseInt(sel.getAttribute(attr))}return undefined};const str=attr=>sel.hasAttribute(attr)?sel.getAttribute(attr):undefined;return{liveSearch:bool("data-live-search"),maxSelections:int("data-max-selections","data-max-items"),placeholder:str("data-placeholder"),showClearButton:bool("data-show-clear-button","data-clear-all-button","data-allow-empty"),selectOptgroups:bool("data-select-optgroups"),selectAllOption:bool("data-select-all-option"),closeOnSelect:bool("data-close-on-select"),defaultText:str("data-default-text")}}_normaliseAjaxConfig(){if(!this.config.ajax)return;const defaults={method:"GET",delay:300,minimumInputLength:0,cache:!(typeof this.config.ajax.url==="function"||typeof this.config.ajax.data==="function"),headers:{},data:null,processResults:null,pagesize:20,loadingText:"Loading...",noResultsText:"No results found",errorText:"Error loading results"};const userAjax=Object.fromEntries(Object.entries(this.config.ajax).filter(([,v])=>v!==undefined));this.config.ajax=Object.assign(defaults,userAjax)}_prepareEmptyOption(){const{select,config,isMultiple}=this;if(config.ajax){if(!isMultiple){const opt=document.createElement("option");opt.value="";select.prepend(opt)}}else{if(!isMultiple&&config.placeholder&&select.options[0]&&select.options[0].value!==""){const opt=document.createElement("option");opt.value="";opt.selected=!select.querySelector("option[selected]");select.prepend(opt)}}}_buildDOM(){const{select}=this;this._customSelect=document.createElement("div");this._customSelect.classList.add("snap-select");this._customSelect.setAttribute("role","combobox");this._customSelect.setAttribute("aria-expanded","false");this._customSelect.setAttribute("aria-haspopup","listbox");this._customSelect.style.width=select.style.width;this._customSelect.style.minWidth=select.style.minWidth;const listboxId="snap-select-listbox-"+(select.id||Math.random().toString(36).slice(2));this._customSelect.setAttribute("aria-controls",listboxId);this._listboxId=listboxId;if(select.id){this._customSelect.id="div-snap-select-"+select.id;const labelEl=document.querySelector(`label[for="${select.id}"]`);if(labelEl){if(!labelEl.id)labelEl.id="snap-select-label-"+select.id;this._customSelect.setAttribute("aria-labelledby",labelEl.id)}}select.parentNode.insertBefore(this._customSelect,select);this._customSelect.appendChild(select);this._selectedContainer=document.createElement("div");this._selectedContainer.classList.add("snap-select-selected");this._selectedContainer.setAttribute("aria-live","polite");this._selectedContainer.setAttribute("tabindex","0");this._customSelect.appendChild(this._selectedContainer);this._tagContainer=document.createElement("div");this._tagContainer.classList.add("snap-select-tags");this._selectedContainer.appendChild(this._tagContainer);this._selectedContainer.addEventListener("click",e=>this._toggleDropdown(e));this._selectedContainer.addEventListener("keydown",e=>{if(e.key==="Enter"||e.key===" "||e.key==="ArrowDown"){e.preventDefault();this._toggleDropdown()}else if(e.key==="Escape"&&this._itemsContainer){this._closeDropdown()}})}_initSelection(){const{select,config,isMultiple}=this;const firstOpt=select.options[0];const hasEmptyFirstOption=firstOpt&&firstOpt.value==="";if(hasEmptyFirstOption){config.showClearButton=true;const firstOptText=firstOpt.textContent.trim();if(firstOptText)config.placeholder=firstOptText;if(isMultiple)select.remove(0)}if(isMultiple){Array.from(select.selectedOptions).forEach(opt=>this._selectedValues.add(opt.value));this._updateMultipleDisplay()}else{const selectedOption=select.querySelector("option[selected]");if(selectedOption&&selectedOption.value!==""){this._updateSingleSelect(selectedOption.textContent)}else if(hasEmptyFirstOption||config.ajax||config.placeholder){this._updateSingleSelect(config.placeholder||config.defaultText,true)}else if(firstOpt){this._updateSingleSelect(firstOpt.textContent)}}}_wireLabels(){if(!this.select.id)return;document.querySelectorAll(`label[for="${this.select.id}"]`).forEach(label=>{label.addEventListener("click",e=>{e.preventDefault();this._selectedContainer.focus()})})}_wireValidation(){if(!this.select.required)return;this.select.addEventListener("invalid",e=>{e.preventDefault();this._selectedContainer.classList.add("snap-select-invalid");if(!this._customSelect.nextElementSibling?.classList.contains("snap-select-validation-message")){const msg=document.createElement("div");msg.classList.add("snap-select-validation-message");msg.textContent=this.select.validationMessage;this._customSelect.insertAdjacentElement("afterend",msg);requestAnimationFrame(()=>{const offsetTop=msg.getBoundingClientRect().top+window.pageYOffset;window.scrollTo({top:offsetTop-window.innerHeight/2+msg.offsetHeight/2,behavior:"smooth"})})}})}_wireDisabled(){this._syncDisabled();this._disabledObserver=new MutationObserver(()=>this._syncDisabled());this._disabledObserver.observe(this.select,{attributes:true,attributeFilter:["disabled"]});this._fieldsetObservers=[];let el=this.select.parentElement;while(el){if(el.tagName==="FIELDSET"){const obs=new MutationObserver(()=>this._syncDisabled());obs.observe(el,{attributes:true,attributeFilter:["disabled"]});this._fieldsetObservers.push(obs)}el=el.parentElement}}_isDisabled(){return this.select.matches(":disabled")}_syncDisabled(){if(this._isDisabled()){this._customSelect.classList.add("snap-select-disabled");this._customSelect.setAttribute("aria-disabled","true");this._selectedContainer.setAttribute("tabindex","-1");if(this._itemsContainer)this._closeDropdown()}else{this._customSelect.classList.remove("snap-select-disabled");this._customSelect.removeAttribute("aria-disabled");this._selectedContainer.setAttribute("tabindex","0")}}_wireDOMCleanup(){const observer=new MutationObserver(mutations=>{mutations.forEach(mutation=>

1{mutation.removedNodes.forEach(node=>{if(node===this._customSelect||node.contains&&node.contains(this._customSelect)){this._closeDropdown();observer.disconnect();this._disabledObserver.disconnect();(this._fieldsetObservers||[]).forEach(o=>o.disconnect())}})})});setTimeout(()=>{if(this._customSelect.parentNode){observer.observe(this._customSelect.parentNode,{childList:true,subtree:true})}},0)}_updateMultipleDisplay(){const{select,config}=this;const vals=this._selectedValues;this._tagContainer.innerHTML="";Array.from(select.options).forEach(opt=>{opt.selected=vals.has(opt.value)});select.dispatchEvent(new Event("change",{bubbles:true}));select.dispatchEvent(new Event("input",{bubbles:true}));if(select.required&&vals.size>0){this._selectedContainer.classList.remove("snap-select-invalid");const msg=this._customSelect.nextElementSibling;if(msg?.classList.contains("snap-select-validation-message"))msg.remove()}if(vals.size===0){const placeholder=document.createElement("div");placeholder.classList.add("snap-select-placeholder");placeholder.textContent=config.placeholder||config.defaultText;this._tagContainer.appendChild(placeholder)}else{vals.forEach(val=>{const option=select.querySelector(`option[value="${val}"]`);if(!option)return;const tag=document.createElement("div");tag.classList.add("snap-select-tag");tag.textContent=option.textContent;const removeBtn=document.createElement("span");removeBtn.classList.add("snap-select-remove");removeBtn.textContent="×";removeBtn.setAttribute("aria-label",`Remove ${option.textContent}`);removeBtn.addEventListener("click",e=>{e.stopPropagation();if(this._isDisabled())return;vals.delete(val);const cb=this._checkboxMap.get(val.toString());if(cb)cb.checked=false;if(config.onItemDelete)config.onItemDelete.call(select,val,option.textContent);this._updateMultipleDisplay()});tag.appendChild(removeBtn);this._tagContainer.appendChild(tag)});if(config.showClearButton){const clearAll=document.createElement("span");clearAll.classList.add("snap-select-clear-all");clearAll.textContent="×";clearAll.setAttribute("aria-label","Clear all selections");clearAll.addEventListener("click",e=>{e.stopPropagation();if(this._isDisabled())return;vals.clear();this._checkboxMap.forEach(cb=>cb.checked=false);this._updateMultipleDisplay()});this._tagContainer.appendChild(clearAll)}}}_updateSingleSelect(text,noAllowEmpty=false){const{select,config}=this;this._tagContainer.innerHTML="";const selectedText=document.createElement("div");selectedText.classList.add("snap-select-single-selected-text");selectedText.textContent=text;if(config.showClearButton&&!noAllowEmpty){const removeBtn=document.createElement("span");removeBtn.classList.add("snap-select-clear-all");removeBtn.textContent="×";removeBtn.style.float="right";removeBtn.setAttribute("aria-label","Clear selection");removeBtn.addEventListener("click",e=>{e.stopPropagation();if(this._isDisabled())return;const prevValue=select.value;const prevOption=select.querySelector(`option[value="${prevValue}"]`);select.value="";this._updateSingleSelect(config.placeholder||config.defaultText,true);if(config.onItemDelete&&prevValue){config.onItemDelete.call(select,prevValue,prevOption?prevOption.textContent:prevValue)}select.dispatchEvent(new Event("change",{bubbles:true}));select.dispatchEvent(new Event("input",{bubbles:true}))});selectedText.appendChild(removeBtn);selectedText.style.display="inline-block";selectedText.style.width="100%"}this._tagContainer.appendChild(selectedText)}_toggleDropdown(e){if(e)e.stopPropagation();if(this._isDisabled())return;this._itemsContainer?this._closeDropdown():this._openDropdown()}_openDropdown(){const{select,config}=this;document.querySelectorAll(".snap-select-items").forEach(dd=>dd.remove());document.querySelectorAll(".snap-select-overlay").forEach(ov=>ov.remove());if(!select.children.length&&!config.ajax)return;if(config.ajax){this._currentPage=1;this._currentSearch="";this._hasMorePages=false}this._dropdownOverlay=document.createElement("div");this._dropdownOverlay.classList.add("snap-select-overlay");document.body.appendChild(this._dropdownOverlay);this._itemsContainer=document.createElement("div");this._itemsContainer.classList.add("snap-select-items");this._itemsContainer.setAttribute("role","listbox");this._itemsContainer.id=this._listboxId;this._itemsContainer.setAttribute("aria-activedescendant","");if(this.isMultiple)this._itemsContainer.setAttribute("aria-multiselectable","true");this._itemsContainer.setAttribute("tabindex","-1");this._itemsContainer.style.display="block";document.body.appendChild(this._itemsContainer);this._populateItems();this._positionDropdown();this._itemsContainer.focus();this._customSelect.setAttribute("aria-expanded","true");this._itemsContainer.addEventListener("keydown",e=>this._onDropdownKeydown(e));this._dropdownOverlay.addEventListener("click",()=>this._closeDropdown());window.addEventListener("scroll",this._scrollHandler,true);window.addEventListener("resize",this._reposition);this._resizeObserver.observe(this._selectedContainer)}_closeDropdown(){this._selectedContainer.focus();this._cancelInfiniteObserver();if(this._activeRequest){this._activeRequest.abort();this._activeRequest=null}if(this._debounceTimer){clearTimeout(this._debounceTimer);this._debounceTimer=null}if(this._itemsContainer){this._itemsContainer.remove();this._itemsContainer=null}if(this._dropdownOverlay){this._dropdownOverlay.remove();this._dropdownOverlay=null}window.removeEventListener("scroll",this._scrollHandler,true);window.removeEventListener("resize",this._reposition);this._resizeObserver.unobserve(this._selectedContainer);

1this._customSelect.setAttribute("aria-expanded","false")}_onDropdownKeydown(e){if(e.key==="Escape"){this._closeDropdown()}else if(e.key==="Tab"){e.preventDefault();if(this._searchInput)this._searchInput.focus()}else if(e.key==="ArrowDown"||e.key==="ArrowUp"){e.preventDefault();const items=Array.from(this._itemsContainer.querySelectorAll(".snap-select-item:not(.snap-select-item-disabled)"));const idx=items.indexOf(document.activeElement);const next=e.key==="ArrowDown"?idx<items.length-1?idx+1:0:idx>0?idx-1:items.length-1;items[next]?.focus();this._itemsContainer.setAttribute("aria-activedescendant",items[next]?.id||"")}else if(e.key==="Enter"||e.key===" "){e.preventDefault();if(document.activeElement.classList.contains("snap-select-item")){document.activeElement.click()}}}_positionDropdown(){if(!this._itemsContainer)return;const rect=this._selectedContainer.getBoundingClientRect();const scrollTop=window.pageYOffset||document.documentElement.scrollTop;const scrollLeft=window.pageXOffset||document.documentElement.scrollLeft;let left=rect.left+scrollLeft;let top=rect.bottom+scrollTop;Object.assign(this._itemsContainer.style,{position:"absolute",left:`${left}px`,top:`${top}px`,width:"fit-content",minWidth:`${rect.width}px`,boxSizing:"border-box",zIndex:"10000"});const dh=this._itemsContainer.offsetHeight;if(window.innerHeight-rect.bottom<dh&&rect.top>=dh){this._itemsContainer.style.top=`${rect.top+scrollTop-dh}px`}const dr=this._itemsContainer.getBoundingClientRect();if(dr.right>window.innerWidth){this._itemsContainer.style.left=`${Math.max(10,window.innerWidth-dr.width-10)}px`}}_updateVisibility(){if(!this._itemsContainer)return;const term=this._searchInput?.value.toLowerCase()||"";this._itemsContainer.querySelectorAll(".snap-select-optgroup").forEach(group=>{let hasVisible=false;group.querySelectorAll(".snap-select-item").forEach(item=>{const text=item.querySelector(".snap-select-label")?.textContent.toLowerCase()||"";const keywords=item.dataset.key?.toLowerCase()||"";const show=text.includes(term)||keywords.includes(term);item.style.display=show?"":"none";if(show)hasVisible=true});const groupLabel=group.querySelector(".snap-select-optgroup-label");group.style.display=groupLabel?.textContent.toLowerCase().includes(term)||hasVisible?"":"none"});this._itemsContainer.querySelectorAll(".snap-select-item").forEach(item=>{if(item.closest(".snap-select-optgroup"))return;const text=item.querySelector(".snap-select-label")?.textContent.toLowerCase()||"";const keywords=item.dataset.key?.toLowerCase()||"";item.style.display=text.includes(term)||keywords.includes(term)?"":"none"})}_populateItems(){if(!this._itemsContainer)return;this._itemsContainer.innerHTML="";this._checkboxMap.clear();if(this.config.ajax||this.config.liveSearch){this._buildSearchBar()}if(this.config.ajax){this._fetchPage("",1,false);return}if(this.isMultiple&&this.config.selectAllOption){this._itemsContainer.appendChild(this._buildSelectAllItem())}Array.from(this.select.children).forEach(child=>{if(child.tagName==="OPTGROUP"){this._itemsContainer.appendChild(this._buildOptgroup(child))}else if(child.tagName==="OPTION"){if(this.config.showClearButton&&child.value===""&&child===this.select.options[0])return;const item=this._createOptionItem(child);item.dataset.optgroup="";this._itemsContainer.appendChild(item)}})}_buildSearchBar(){const wrapper=document.createElement("div");wrapper.classList.add("snap-select-search-wrapper");this._itemsContainer.appendChild(wrapper);this._searchInput=document.createElement("input");this._searchInput.classList.add("snap-select-search");this._searchInput.setAttribute("tabindex","-1");this._searchInput.setAttribute("placeholder","Search...");this._searchInput.setAttribute("aria-label","Search options");wrapper.appendChild(this._searchInput);this._clearSearchBtn=document.createElement("span");this._clearSearchBtn.classList.add("snap-select-clear-search");this._clearSearchBtn.textContent="×";this._clearSearchBtn.style.display="none";this._clearSearchBtn.addEventListener("click",()=>{this._searchInput.value="";this._clearSearchBtn.style.display="none";this.config.ajax?this._triggerSearch(""):this._updateVisibility()});wrapper.appendChild(this._clearSearchBtn);this._searchInput.addEventListener("input",()=>{this._clearSearchBtn.style.display=this._searchInput.value?"inline":"none";if(this.config.ajax){clearTimeout(this._debounceTimer);this._debounceTimer=setTimeout(()=>this._triggerSearch(this._searchInput.value.trim()),this.config.ajax.delay||300)}else{this._updateVisibility()}});this._searchInput.addEventListener("keydown",e=>{e.stopPropagation();if(e.key==="Escape"){this._closeDropdown()}else if(e.key==="Tab"){e.preventDefault();const first=this._itemsContainer.querySelector(".snap-select-item:not(.snap-select-item-disabled)");if(first)first.focus()}})}_buildSelectAllItem(){const div=document.createElement("div");const checkbox=document.createElement("input");const label=document.createElement("label");div.classList.add("snap-select-item","snap-select-all");checkbox.type="checkbox";checkbox.classList.add("snap-select-checkbox");label.classList.add("snap-select-label");label.textContent="Select All";div.appendChild(checkbox);div.appendChild(label);div.addEventListener("click",()=>{const selectable=Array.from(this.select.options).filter(o=>!(o===this.select.options[0]&&o.value===""));const maxSelected=Math.min(this.config.maxSelections,selectable.length);const allSelected=this._selectedValues.size===maxSelected;if(allSelected){this._selectedValues.clear();

1this._checkboxMap.forEach(cb=>cb.checked=false);checkbox.checked=false}else{selectable.forEach(opt=>{if(this._selectedValues.size<maxSelected){this._selectedValues.add(opt.value);const cb=this._checkboxMap.get(opt.value);if(cb)cb.checked=true}});checkbox.checked=true}this._updateMultipleDisplay()});return div}_buildOptgroup(optgroup){const group=document.createElement("div");group.classList.add("snap-select-optgroup");const label=document.createElement("div");label.classList.add("snap-select-optgroup-label");label.textContent=optgroup.label;label.style.fontWeight="bold";if(this.isMultiple&&this.config.selectOptgroups){label.addEventListener("click",e=>{e.stopPropagation();let added=0;Array.from(optgroup.children).forEach(opt=>{if(this._selectedValues.size<this.config.maxSelections&&!this._selectedValues.has(opt.value)){this._selectedValues.add(opt.value);const cb=this._checkboxMap.get(opt.value);if(cb)cb.checked=true;added++}});if(added>0)this._updateMultipleDisplay()})}group.appendChild(label);Array.from(optgroup.children).forEach(opt=>group.appendChild(this._createOptionItem(opt)));return group}_createOptionItem(option){const div=document.createElement("div");div.classList.add("snap-select-item");div.setAttribute("role","option");div.id="snap-select-opt-"+option.value.replace(/\W/g,"_");div.dataset.value=option.value;div.dataset.key=option.dataset.key||"";if(option.disabled){div.classList.add("snap-select-item-disabled");div.setAttribute("aria-disabled","true")}if(this.isMultiple){this._buildMultipleItem(div,option)}else{this._buildSingleItem(div,option)}return div}_buildMultipleItem(div,option){const checkbox=document.createElement("input");checkbox.type="checkbox";checkbox.classList.add("snap-select-checkbox");checkbox.checked=this._selectedValues.has(option.value);if(checkbox.checked)div.classList.add("snap-select-item-selected");div.setAttribute("aria-selected",checkbox.checked?"true":"false");div.appendChild(checkbox);this._checkboxMap.set(option.value,checkbox);const label=document.createElement("label");label.classList.add("snap-select-label");label.textContent=option.textContent;div.appendChild(label);div.setAttribute("tabindex","-1");div.addEventListener("click",e=>{e.stopPropagation();const{config,_selectedValues:vals}=this;if(vals.has(option.value)){vals.delete(option.value);checkbox.checked=false;div.classList.remove("snap-select-item-selected");div.setAttribute("aria-selected","false");if(config.onItemDelete)config.onItemDelete.call(this.select,option.value,option.textContent)}else if(vals.size<config.maxSelections){vals.add(option.value);checkbox.checked=true;div.classList.add("snap-select-item-selected");div.setAttribute("aria-selected","true");if(config.onItemAdd)config.onItemAdd.call(this.select,option.value,option.textContent)}this._updateMultipleDisplay();if(config.maxSelections===1&&vals.size===1)this._closeDropdown()})}_buildSingleItem(div,option){div.textContent=option.textContent;div.setAttribute("tabindex","-1");const isSelected=option.value===this.select.value;if(isSelected)div.classList.add("snap-select-item-selected");div.setAttribute("aria-selected",isSelected?"true":"false");div.addEventListener("click",e=>{e.stopPropagation();const{select,config}=this;const prevValue=select.value;this._itemsContainer?.querySelectorAll(".snap-select-item").forEach(el=>{el.classList.remove("snap-select-item-selected");el.setAttribute("aria-selected","false")});div.classList.add("snap-select-item-selected");div.setAttribute("aria-selected","true");select.value=option.value;this._updateSingleSelect(option.textContent);this._selectedContainer.classList.remove("snap-select-invalid");const msg=this._customSelect.nextElementSibling;if(msg?.classList.contains("snap-select-validation-message"))msg.remove();if(config.onItemAdd)config.onItemAdd.call(select,option.value,option.textContent);if(config.onItemDelete&&prevValue&&prevValue!==option.value){const prevOption=select.querySelector(`option[value="${prevValue}"]`);config.onItemDelete.call(select,prevValue,prevOption?prevOption.textContent:prevValue)}select.dispatchEvent(new Event("change",{bubbles:true}));select.dispatchEvent(new Event("input",{bubbles:true}));if(config.closeOnSelect)this._closeDropdown()})}_cacheKey(search,page){return`${search}__p${page}`}_buildFetchParams(search,page){const cfg=this.config.ajax;const url=typeof cfg.url==="function"?cfg.url.call(this.select,search,page):cfg.url;const extra=typeof cfg.data==="function"?cfg.data.call(this.select,search,page)||{}:cfg.data&&typeof cfg.data==="object"?cfg.data:{};const params=Object.assign({q:search,page:page,pagesize:cfg.pagesize},extra);const method=(cfg.method||"GET").toUpperCase();const headers=Object.assign({},cfg.headers||{});let fetchUrl=url;let fetchInit={method:method,headers:headers};if(method==="GET"){const qs=new URLSearchParams(params).toString();fetchUrl=qs?`${url}${url.includes("?")?"&":"?"}${qs}`:url}else{const fd=new FormData;

1Object.entries(params).forEach(([k,v])=>fd.append(k,v));fetchInit.body=fd}return{fetchUrl:fetchUrl,fetchInit:fetchInit}}_showLoading(append){if(!this._itemsContainer)return;if(!append){this._itemsContainer.querySelectorAll(".snap-select-item, .snap-select-optgroup, .snap-select-no-results, .snap-select-error, .snap-select-infinite-anchor").forEach(el=>el.remove())}if(!this._loadingIndicator){this._loadingIndicator=document.createElement("div");this._loadingIndicator.classList.add("snap-select-loading");this._loadingIndicator.textContent=this.config.ajax.loadingText}this._itemsContainer.appendChild(this._loadingIndicator)}_hideLoading(){if(this._loadingIndicator?.parentNode)this._loadingIndicator.remove()}_showMessage(text,cssClass){if(!this._itemsContainer)return;this._hideLoading();const msg=document.createElement("div");msg.classList.add("snap-select-no-results",cssClass);msg.textContent=text;this._itemsContainer.appendChild(msg)}_appendResults(results){if(!this._itemsContainer)return;this._hideLoading();this._cancelInfiniteObserver();results.forEach(item=>{if(!this.select.querySelector(`option[value="${item.id}"]`)){const opt=document.createElement("option");opt.value=item.id;opt.textContent=item.text;Object.entries(item).forEach(([k,v])=>{if(k!=="id"&&k!=="text")opt.dataset[k]=v});this.select.appendChild(opt)}this._itemsContainer.appendChild(this._createOptionItem(this.select.querySelector(`option[value="${item.id}"]`)))});if(this._hasMorePages)this._attachInfiniteSentinel()}_attachInfiniteSentinel(){if(!this._itemsContainer)return;this._infiniteAnchor=document.createElement("div");this._infiniteAnchor.classList.add("snap-select-infinite-anchor");this._itemsContainer.appendChild(this._infiniteAnchor);this._infiniteObserver=new IntersectionObserver(entries=>{if(entries[0].isIntersecting&&this._hasMorePages&&!this._isLoadingAjax){this._fetchPage(this._currentSearch,this._currentPage+1,true)}},{root:this._itemsContainer,threshold:.1});this._infiniteObserver.observe(this._infiniteAnchor)}_cancelInfiniteObserver(){if(this._infiniteObserver){this._infiniteObserver.disconnect();this._infiniteObserver=null}if(this._infiniteAnchor?.parentNode){this._infiniteAnchor.remove();this._infiniteAnchor=null}}_fetchPage(search,page,append){if(this._isLoadingAjax)return;const cfg=this.config.ajax;const key=this._cacheKey(search,page);if(cfg.cache&&this._ajaxCache.has(key)){const cached=this._ajaxCache.get(key);this._currentPage=page;this._hasMorePages=cached.hasMore;if(!append){this._itemsContainer?.querySelectorAll(".snap-select-item, .snap-select-optgroup, .snap-select-no-results, .snap-select-error, .snap-select-infinite-anchor").forEach(el=>el.remove())}if(cached.results.length===0&&!append){this._showMessage(cfg.noResultsText,"snap-select-no-results")}else{this._appendResults(cached.results)}return}this._isLoadingAjax=true;this._showLoading(append);if(this._activeRequest)this._activeRequest.abort();this._activeRequest=new AbortController;const{fetchUrl,fetchInit}=this._buildFetchParams(search,page);fetchInit.signal=this._activeRequest.signal;fetch(fetchUrl,fetchInit).then(r=>{if(!r.ok)throw new Error(`HTTP ${r.status}`);return r.json()}).then(data=>{this._isLoadingAjax=false;this._activeRequest=null;let processed={results:[],hasMore:false};if(typeof cfg.processResults==="function"){processed=cfg.processResults.call(this.select,data,search,page)||processed}else{processed.results=Array.isArray(data.results)?data.results:Array.isArray(data)?data:[];processed.hasMore=!!data.hasMore}this._currentPage=page;this._hasMorePages=!!processed.hasMore;if(cfg.cache)this._ajaxCache.set(key,{results:processed.results,hasMore:this._hasMorePages});if(!this._itemsContainer)return;if(!append){this._itemsContainer.querySelectorAll(".snap-select-item, .snap-select-optgroup, .snap-select-no-results, .snap-select-error, .snap-select-infinite-anchor").forEach(el=>el.remove())}if(processed.results.length===0&&!append){this._showMessage(cfg.noResultsText,"snap-select-no-results")}else{this._appendResults(processed.results)}}).catch(err=>{if(err.name==="AbortError")return;this._isLoadingAjax=false;this._activeRequest=null;console.error("[SnapSelect] AJAX error:",err);

1if(this._itemsContainer){this._hideLoading();this._showMessage(cfg.errorText,"snap-select-error")}})}_triggerSearch(search){if(!this.config.ajax||!this._itemsContainer)return;const minLen=this.config.ajax.minimumInputLength||0;if(search.length<minLen){this._itemsContainer.querySelectorAll(".snap-select-item, .snap-select-optgroup, .snap-select-no-results, .snap-select-error, .snap-select-infinite-anchor, .snap-select-loading").forEach(el=>el.remove());return}this._currentSearch=search;this._currentPage=1;this._hasMorePages=false;this._cancelInfiniteObserver();this._fetchPage(search,1,false)}clear(){if(this._isDisabled())return;if(this.isMultiple){this._selectedValues.clear();this._checkboxMap.forEach(cb=>cb.checked=false);this._updateMultipleDisplay()}else{this.select.value="";this._updateSingleSelect(this.config.placeholder||this.config.defaultText,true);this.select.dispatchEvent(new Event("change",{bubbles:true}));this.select.dispatchEvent(new Event("input",{bubbles:true}))}}refresh(){if(!this.config.ajax)return;this._ajaxCache.delete(this._cacheKey(this._currentSearch,this._currentPage));if(this._itemsContainer)this._triggerSearch(this._currentSearch)}clearCache(){this._ajaxCache.clear()}}window.SnapSelect=function(selector,options){const instances=Array.from(document.querySelectorAll(selector)).map(el=>new SnapSelect(el,options));return instances.length===1?instances[0]:instances};window.SnapSelectClass=SnapSelect;if(typeof module!=="undefined"&&typeof module.exports!=="undefined"){module.exports=SnapSelect}})();