<div id="search-container"> <div> <input autocomplete="off" id="search-bar" name="search" type="text" aria-label="Search" placeholder="Search for something..."> <div id="results-container"> </div> </div> </div> <script src="https://cdn.jsdelivr.net/gh/nextapps-de/flexsearch@0.7.2/dist/flexsearch.bundle.js"></script> <script> // code from https://github.com/danestves/markdown-to-text const removeMarkdown = ( markdown, options = { listUnicodeChar: false, stripListLeaders: true, gfm: true, useImgAltText: false, preserveLinks: false, } ) => { let output = markdown || ""; output = output.replace(/^(-\s*?|\*\s*?|_\s*?){3,}\s*$/gm, ""); try { if (options.stripListLeaders) { if (options.listUnicodeChar) output = output.replace( /^([\s\t]*)([\*\-\+]|\d+\.)\s+/gm, options.listUnicodeChar + " $1" ); else output = output.replace(/^([\s\t]*)([\*\-\+]|\d+\.)\s+/gm, "$1"); } if (options.gfm) { output = output .replace(/\n={2,}/g, "\n") .replace(/~{3}.*\n/g, "") .replace(/~~/g, "") .replace(/`{3}.*\n/g, ""); } if(options.preserveLinks) { output = output.replace(/\[(.*?)\][\[\(](.*?)[\]\)]/g, "$1 ($2)") } output = output .replace(/<[^>]*>/g, "") .replace(/^[=\-]{2,}\s*$/g, "") .replace(/\[\^.+?\](\: .*?$)?/g, "") .replace(/\s{0,2}\[.*?\]: .*?$/g, "") .replace(/\!\[(.*?)\][\[\(].*?[\]\)]/g, options.useImgAltText ? "$1" : "") .replace(/\[(.*?)\][\[\(].*?[\]\)]/g, "$1") .replace(/^\s{0,3}>\s?/g, "") .replace(/(^|\n)\s{0,3}>\s?/g, "\n\n") .replace(/^\s{1,2}\[(.*?)\]: (\S+)( ".*?")?\s*$/g, "") .replace( /^(\n)?\s{0,}#{1,6}\s+| {0,}(\n)?\s{0,}#{0,} {0,}(\n)?\s{0,}$/gm, "$1$2$3" ) .replace(/([\*_]{1,3})(\S.*?\S{0,1})\1/g, "$2") .replace(/([\*_]{1,3})(\S.*?\S{0,1})\1/g, "$2") .replace(/(`{3,})(.*?)\1/gm, "$2") .replace(/`(.+?)`/g, "$1") .replace(/\n{2,}/g, "\n\n"); } catch (e) { console.error(e); return markdown; } return output; }; </script> <script> const contentIndex = new FlexSearch.Worker({ tokenize: "strict", charset: "latin:advanced", context: true, depth: 3, cache: 10, suggest: true, }) const scrapedContent = {{$.Site.Data.contentIndex}} for (const [key, value] of Object.entries(scrapedContent)) { contentIndex.add(key, value.content) } const stopwords = ['i','me','my','myself','we','our','ours','ourselves','you','your','yours','yourself','yourselves','he','him','his','himself','she','her','hers','herself','it','its','itself','they','them','their','theirs','themselves','what','which','who','whom','this','that','these','those','am','is','are','was','were','be','been','being','have','has','had','having','do','does','did','doing','a','an','the','and','but','if','or','because','as','until','while','of','at','by','for','with','about','against','between','into','through','during','before','after','above','below','to','from','up','down','in','out','on','off','over','under','again','further','then','once','here','there','when','where','why','how','all','any','both','each','few','more','most','other','some','such','no','nor','not','only','own','same','so','than','too','very','s','t','can','will','just','don','should','now'] const highlight = (content, term) => { const highlightWindow = 15 const tokenizedTerm = term.split(/\s+/).filter(t => t !== "") const splitText = content.split(/\s+/).filter(t => t !== "") const includesCheck = (token) => tokenizedTerm.some(term => token.toLowerCase().includes(term.toLowerCase())) const occurrencesIndices = splitText .map(includesCheck) // calculate best index let bestSum = 0 let bestIndex = 0 for (let i = 0; i < Math.max(occurrencesIndices.length - highlightWindow, 0); i++) { const window = occurrencesIndices.slice(i, i + highlightWindow) const windowSum = window.reduce((total, cur) => total + cur, 0) if (windowSum > bestSum) { bestSum = windowSum bestIndex = i } } const startIndex = Math.max(bestIndex - highlightWindow, 0) const endIndex = Math.min(startIndex + 2 * highlightWindow, splitText.length) const mappedText = splitText .slice(startIndex, endIndex) .map(token => { if (includesCheck(token)) { return `<span class="search-highlight">${token}</span>` } return token }) .join(" ") .replaceAll('</span> <span class="search-highlight">', " ") return `${startIndex === 0 ? "" : "..."}${mappedText}${endIndex === splitText.length ? "" : "..."}` } const resultToHTML = ({url, title, content, term}) => { const md = content.split("---")[2] const text = removeMarkdown(md) const resultTitle = highlight(title, term) const resultText = highlight(text, term) return `<div class="result-card" id="${url}"> <h3>${resultTitle}</h3> <p>${resultText}</p> </div>` } const source = document.getElementById('search-bar') const results = document.getElementById("results-container") source.addEventListener('input', (e) => { const term = e.target.value contentIndex.search(term, { limit: 5, depth: 3, suggest: true, }).then(searchResults => { const resultIds = [...new Set(searchResults)] const finalResults = resultIds.map(id => ({ url: id, title: scrapedContent[id].title, content: scrapedContent[id].content })) // display if (finalResults.length === 0) { results.innerHTML = `<div class="result-card"> <p>No results.</p> </div>` } else { results.innerHTML = finalResults .map(result => resultToHTML({ ...result, term, })) .join("\n") const anchors = document.getElementsByClassName("result-card"); [...anchors].forEach(anchor => { anchor.onclick = () => { window.location.href = `${anchor.id}#:~:text=${encodeURIComponent(term)}` } }) } }) }) const searchContainer = document.getElementById("search-container") function openSearch() { if (searchContainer.style.display === "none" || searchContainer.style.display === "") { source.value = "" results.innerHTML = "" searchContainer.style.display = "block" source.focus() } else { searchContainer.style.display = "none" } } function closeSearch() { searchContainer.style.display = "none" } document.addEventListener('keydown', (event) => { if (event.key === "/") { event.preventDefault() openSearch() } if (event.key === "Escape") { event.preventDefault() closeSearch() } }) window.addEventListener('DOMContentLoaded', () => { const searchButton = document.getElementById("search-icon") searchButton.addEventListener('click', (evt) => { openSearch() }) searchButton.addEventListener('keydown', (evt) => { openSearch() }) }) </script>