en.search.min.dd4f4a499f0ecaa88ccd9912f38b832dd1e6d1f2b61b58458ee42699fb811c15.js

"use strict";(function(){const o="/en.search-data.min.c01f7bc00a1bd1af11e934e56400c21da4abf4fe17accec27aaa0fd07ef786b4.json",i=Object.assign({cache:!0},{includeScore:!0,useExtendedSearch:!0,fieldNormWeight:1.5,threshold:.2,ignoreLocation:!0,keys:[{name:"title",weight:.7},{name:"content",weight:.3}]}),e=document.querySelector("#book-search-input"),t=document.querySelector("#book-search-results");if(!e)return;e.addEventListener("focus",n),e.addEventListener("keyup",s),document.addEventListener("keypress",a);function a(t){if(t.target.value!==void 0)return;if(e===document.activeElement)return;const n=String.fromCharCode(t.charCode);if(!r(n))return;e.focus(),t.preventDefault()}function r(t){const n=e.getAttribute("data-hotkeys")||"";return n.indexOf(t)>=0}function n(){e.removeEventListener("focus",n),e.required=!0,fetch(o).then(e=>e.json()).then(e=>{window.bookSearchIndex=new Fuse(e,i)}).then(()=>e.required=!1).then(s)}function s(){for(;t.firstChild;)t.removeChild(t.firstChild);if(!e.value)return;const n=window.bookSearchIndex.search(e.value).slice(0,10);n.forEach(function(e){const n=c("<li><a href></a><small></small></li>"),s=n.querySelector("a"),o=n.querySelector("small");s.href=e.item.href,s.textContent=e.item.title,o.textContent=e.item.section,t.appendChild(n)})}function c(e){const t=document.createElement("div");return t.innerHTML=e,t.firstChild}})()