'use strict';(function(){const g='/en.search-data.min.4f0c273734fb4c84e7ce8aa581cbb770fe34f7fcb94953c4ce600ceeebe4bd5c.json',h=Object.assign({cache:!0},{doc:{id:'id',field:['title','content'],store:['title','href','section']}}),a=document.querySelector('#book-search-input'),b=document.querySelector('#book-search-results');if(!a)return;a.addEventListener('focus',c),a.addEventListener('keyup',d),document.addEventListener('keypress',e);function e(b){if(b.target.value!==void 0)return;if(a===document.activeElement)return;const c=String.fromCharCode(b.charCode);if(!f(c))return;a.focus(),b.preventDefault()}function f(b){const c=a.getAttribute('data-hotkeys')||'';return c.indexOf(b)>=0}function c(){a.removeEventListener('focus',c),a.required=!0,fetch(g).then(a=>a.json()).then(a=>{window.bookSearchIndex=FlexSearch.create('balance',h),window.bookSearchIndex.add(a)}).then(()=>a.required=!1).then(d)}function d(){while(b.firstChild)b.removeChild(b.firstChild);if(!a.value)return;const c=window.bookSearchIndex.search(a.value,10);c.forEach(function(a){const c=i('<li><a href></a><small></small></li>'),d=c.querySelector('a'),e=c.querySelector('small');d.href=a.href,d.textContent=a.title,e.textContent=a.section,b.appendChild(c)})}function i(b){const a=document.createElement('div');return a.innerHTML=b,a.firstChild}})()