65 lines
1.7 KiB
JavaScript
65 lines
1.7 KiB
JavaScript
{{- $searchData := resources.Get "search-data.js" | resources.ExecuteAsTemplate "search-data.js" . | resources.Minify | resources.Fingerprint }}
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(function() {
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const input = document.querySelector("#book-search-input");
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const results = document.querySelector("#book-search-results");
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input.addEventListener("focus", init);
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input.addEventListener("keyup", search);
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function init() {
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input.removeEventListener("focus", init); //init once
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input.required = true;
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loadScript("{{ "lunr.min.js" | relURL }}");
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loadScript("{{ $searchData.RelPermalink }}", function() {
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input.required = false;
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search();
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});
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}
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function search() {
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while (results.firstChild) {
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results.removeChild(results.firstChild);
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}
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if (!input.value) {
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return;
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}
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const terms = lunr.tokenizer(input.value);
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const searchHits = window.bookSearch.idx.query(function(query) {
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query.term(terms, {
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boost: 100
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});
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query.term(terms, {
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boost: 10,
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wildcard: lunr.Query.wildcard.LEADING | lunr.Query.wildcard.TRAILING
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});
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query.term(terms, {
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editDistance: 2
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});
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});
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searchHits.slice(0, 10).forEach(function(hit) {
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const page = window.bookSearch.pages[hit.ref];
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const li = document.createElement("li"),
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a = li.appendChild(document.createElement("a"));
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a.href = page.href;
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a.textContent = page.title;
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results.appendChild(li);
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});
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}
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function loadScript(src, callback) {
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const script = document.createElement("script");
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script.defer = true;
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script.async = false;
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script.src = src;
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script.onload = callback;
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document.head.append(script);
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}
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})();
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