basecoat-css/dist/js/select.min.js

Tailwind CSS for Basecoat components

(()=>{const e=e=>{const t=e.querySelector(":scope > button"),a=t.querySelector(":scope > span"),r=e.querySelector(":scope > [data-popover]"),i=r.querySelector('[role="listbox"]'),n=e.querySelector(':scope > input[type="hidden"]'),s=e.querySelector('header input[type="text"]');if(!(t&&r&&i&&n)){const a=[];return t||a.push("trigger"),r||a.push("popover"),i||a.push("listbox"),n||a.push("input"),void console.error(`Select component initialisation failed. Missing element(s): ${a.join(", ")}`,e)}const o=Array.from(i.querySelectorAll('[role="option"]'));let c=[...o],d=-1;const l=()=>{const e=getComputedStyle(r);return parseFloat(e.transitionDuration)>0||parseFloat(e.transitionDelay)>0},u=e=>{e&&(a.innerHTML=e.dataset.label||e.innerHTML,n.value=e.dataset.value,i.querySelector('[role="option"][aria-selected="true"]')?.removeAttribute("aria-selected"),e.setAttribute("aria-selected","true"))},v=(e=!0)=>{if("true"!==r.getAttribute("aria-hidden")){if(s){const e=()=>{s.value="",c=[...o],o.forEach((e=>e.setAttribute("aria-hidden","false")))};l()?r.addEventListener("transitionend",e,{once:!0}):e()}e&&t.focus(),r.setAttribute("aria-hidden","true"),t.setAttribute("aria-expanded","false"),t.removeAttribute("aria-activedescendant"),d>-1&&o[d]?.classList.remove("active"),d=-1}},p=t=>{if(!t)return;null!=t.dataset.value&&u(t),v();const a=new CustomEvent("change",{detail:{value:t.dataset.value},bubbles:!0});e.dispatchEvent(a)};if(s){const e=()=>{const e=s.value.trim().toLowerCase();d>-1&&(o[d].classList.remove("active"),t.removeAttribute("aria-activedescendant"),d=-1),c=[],o.forEach((t=>{const a=(t.dataset.label||t.textContent).trim().toLowerCase().includes(e);t.setAttribute("aria-hidden",String(!a)),a&&c.push(t)}))};s.addEventListener("input",e)}let b=o.find((e=>e.dataset.value===n.value));!b&&o.length>0&&(b=o[0]),u(b);const f=e=>{const a="false"===r.getAttribute("aria-hidden");if(!["ArrowDown","ArrowUp","Enter","Home","End","Escape"].includes(e.key))return;if(!a)return void("Enter"!==e.key&&"Escape"!==e.key&&(e.preventDefault(),t.click()));if(e.preventDefault(),"Escape"===e.key)return void v();if("Enter"===e.key)return void(d>-1&&p(o[d]));if(0===c.length)return;const i=d>-1?c.indexOf(o[d]):-1;let n=i;switch(e.key){case"ArrowDown":i<c.length-1&&(n=i+1);break;case"ArrowUp":i>0?n=i-1:-1===i&&(n=0);break;case"Home":n=0;break;case"End":n=c.length-1}if(n!==i){i>-1&&c[i].classList.remove("active");const e=c[n];e.classList.add("active"),d=o.indexOf(e),e.id&&t.setAttribute("aria-activedescendant",e.id),e.scrollIntoView({block:"nearest",behavior:"smooth"})}};t.addEventListener("keydown",f),s&&s.addEventListener("keydown",f);t.addEventListener("click",(()=>{"true"===t.getAttribute("aria-expanded")?v():(()=>{document.dispatchEvent(new CustomEvent("basecoat:popover",{detail:{source:e}})),s&&(l()?r.addEventListener("transitionend",(()=>{s.focus()}),{once:!0}):s.focus()),r.setAttribute("aria-hidden","false"),t.setAttribute("aria-expanded","true");const a=i.querySelector('[role="option"][aria-selected="true"]');a&&(d>-1&&o[d]?.classList.remove("active"),d=o.indexOf(a),a.classList.add("active"),a.id&&t.setAttribute("aria-activedescendant",a.id),a.scrollIntoView({block:"nearest"}))})()})),i.addEventListener("click",(e=>{const t=e.target.closest('[role="option"]');t&&p(t)})),document.addEventListener("click",(t=>{e.contains(t.target)||v(!1)})),document.addEventListener("basecoat:popover",(t=>{t.detail.source!==e&&v(!1)})),r.setAttribute("aria-hidden","true"),e.dataset.selectInitialized=!0};document.querySelectorAll("div.select:not([data-select-initialized])").forEach(e);new MutationObserver((t=>{t.forEach((t=>{t.addedNodes.forEach((t=>{t.nodeType===Node.ELEMENT_NODE&&(t.matches("div.select:not([data-select-initialized])")&&e(t),t.querySelectorAll("div.select:not([data-select-initialized])").forEach(e))}))}))})).observe(document.body,{childList:!0,subtree:!0})})();