search improvements

This commit is contained in:
Jacky Zhao 2021-10-24 23:17:13 -07:00
parent 299533a4f4
commit 6fd19069de

View File

@ -1,6 +1,7 @@
<div id="search-container"> <div id="search-container">
<div> <div id="search-space">
<input autocomplete="off" id="search-bar" name="search" type="text" aria-label="Search" placeholder="Search for something..."> <input autoComplete="off" id="search-bar" name="search" type="text" aria-label="Search"
placeholder="Search for something...">
<div id="results-container"> <div id="results-container">
</div> </div>
</div> </div>
@ -68,11 +69,8 @@
</script> </script>
<script> <script>
const contentIndex = new FlexSearch.Worker({ const contentIndex = new FlexSearch.Worker({
tokenize: "strict", tokenize: "reverse",
charset: "latin:advanced", charset: "latin:extra",
context: true,
depth: 3,
cache: 10,
suggest: true, suggest: true,
}) })
@ -81,7 +79,6 @@
contentIndex.add(key, value.content) 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 highlight = (content, term) => {
const highlightWindow = 15 const highlightWindow = 15
const tokenizedTerm = term.split(/\s+/).filter(t => t !== "") const tokenizedTerm = term.split(/\s+/).filter(t => t !== "")
@ -97,7 +94,7 @@
for (let i = 0; i < Math.max(occurrencesIndices.length - highlightWindow, 0); i++) { for (let i = 0; i < Math.max(occurrencesIndices.length - highlightWindow, 0); i++) {
const window = occurrencesIndices.slice(i, i + highlightWindow) const window = occurrencesIndices.slice(i, i + highlightWindow)
const windowSum = window.reduce((total, cur) => total + cur, 0) const windowSum = window.reduce((total, cur) => total + cur, 0)
if (windowSum > bestSum) { if (windowSum >= bestSum) {
bestSum = windowSum bestSum = windowSum
bestIndex = i bestIndex = i
} }
@ -123,18 +120,25 @@
const text = removeMarkdown(md) const text = removeMarkdown(md)
const resultTitle = highlight(title, term) const resultTitle = highlight(title, term)
const resultText = highlight(text, term) const resultText = highlight(text, term)
return `<div class="result-card" id="${url}"> return `<button class="result-card" id="${url}">
<h3>${resultTitle}</h3> <h3>${resultTitle}</h3>
<p>${resultText}</p> <p>${resultText}</p>
</div>` </button>`
} }
const source = document.getElementById('search-bar') const source = document.getElementById('search-bar')
const results = document.getElementById("results-container") const results = document.getElementById("results-container")
let term
source.addEventListener("keyup", (e) => {
if (e.key === "Enter") {
const anchor = document.getElementsByClassName("result-card")[0]
window.location.href = `${anchor.id}#:~:text=${encodeURIComponent(term)}`
}
})
source.addEventListener('input', (e) => { source.addEventListener('input', (e) => {
const term = e.target.value term = e.target.value
contentIndex.search(term, { contentIndex.search(term, {
limit: 5, limit: 20,
depth: 3, depth: 3,
suggest: true, suggest: true,
}).then(searchResults => { }).then(searchResults => {
@ -169,6 +173,7 @@
const searchContainer = document.getElementById("search-container") const searchContainer = document.getElementById("search-container")
function openSearch() { function openSearch() {
if (searchContainer.style.display === "none" || searchContainer.style.display === "") { if (searchContainer.style.display === "none" || searchContainer.style.display === "") {
source.value = "" source.value = ""
@ -203,6 +208,12 @@
searchButton.addEventListener('keydown', (evt) => { searchButton.addEventListener('keydown', (evt) => {
openSearch() openSearch()
}) })
searchContainer.addEventListener('click', (evt) => {
closeSearch()
})
document.getElementById("search-space").addEventListener('click', (evt) => {
evt.stopPropagation()
})
}) })
</script> </script>