110 lines
3.8 KiB
JavaScript
110 lines
3.8 KiB
JavaScript
window.addEventListener("DOMContentLoaded", event => {
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let origContent = null;
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const search = instantsearch({
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appId: "{{ .Site.Params.algoliaAppId }}",
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apiKey: "{{ .Site.Params.algoliaApiKey }}",
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indexName: "{{ .Site.Params.algoliaIndexName }}",
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});
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search.addWidget({
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init: function (opts) {
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const helper = opts.helper;
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const input = document.getElementById("search-input");
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input.addEventListener("input", function (e) {
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helper
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.setQuery(e.currentTarget.value) // update the parameters
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.search(); // launch the query
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});
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},
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});
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search.addWidget({
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render: function (opts) {
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let term = opts.state.query
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if (!term) {
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return
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}
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const results = opts.results.hits;
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let target = document.querySelector(".main-inner") || document.querySelector("main.home");
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let replaced = [];
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while (target.firstChild) {
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replaced.push(target.firstChild);
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target.removeChild(target.firstChild);
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}
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if (!origContent) {
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origContent = replaced;
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}
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let title = document.createElement("h1");
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title.id = "search-results";
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title.className = "list-title";
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if (results.length == 0) {
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title.textContent = "{{ i18n "searchResultsNone" (dict "Term" "{}") }}".replace("{}", term);
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} else if (results.length == 1) {
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title.textContent = "{{ i18n "searchResultsTitle" (dict "Count" 1 "Term" "{}") }}".replace("{}", term);
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} else {
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title.textContent = "{{ i18n "searchResultsTitle" (dict "Count" 13579 "Term" "{}") }}".replace("{}", term).replace("13579", results.length);
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}
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target.appendChild(title);
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document.title = title.textContent;
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let template = document.getElementById("search-result");
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for (let result of results) {
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let element = template.content.cloneNode(true);
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element.querySelector(".summary-title-link").href = element.querySelector(".read-more-link").href = result.url;
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element.querySelector(".summary-title-link").textContent = result.title;
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element.querySelector(".summary").textContent = truncateToEndOfSentence(result.summary, 70);
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target.appendChild(element);
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}
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title.scrollIntoView(true);
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{{ if .Site.Params.enableNavToggle }}
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let navToggleLabel = document.querySelector('.nav-toggle');
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if (navToggleLabel && navToggleLabel.classList.contains("open")) {
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document.getElementById(navToggleLabel.getAttribute("for")).click();
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}
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{{ end }}
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},
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});
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search.start();
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// This matches Hugo's own summary logic:
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// https://github.com/gohugoio/hugo/blob/b5f39d23b86f9cb83c51da9fe4abb4c19c01c3b7/helpers/content.go#L543
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function truncateToEndOfSentence(text, minWords)
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{
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let match;
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let result = "";
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let wordCount = 0;
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let regexp = /(\S+)(\s*)/g;
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while (match = regexp.exec(text)) {
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wordCount++;
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if (wordCount <= minWords) {
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result += match[0];
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}
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else
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{
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let char1 = match[1][match[1].length - 1];
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let char2 = match[2][0];
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if (/[.?!"]/.test(char1) || char2 == "\n") {
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result += match[1];
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break;
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}
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else {
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result += match[0];
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}
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}
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}
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return result;
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}
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}, {once: true});
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