feat: improve search preview styling and tokenization
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c00089bd57
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c0c0b24138
@ -24,14 +24,20 @@ const contextWindowWords = 30
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const numSearchResults = 8
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const numSearchResults = 8
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const numTagResults = 5
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const numTagResults = 5
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const tokenizeTerm = (term: string) =>
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const tokenizeTerm = (term: string) => {
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term
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const tokens = term.split(/\s+/).filter((t) => t.trim() !== "")
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.split(/\s+/)
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.filter((t) => t !== "")
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const tokenLen = tokens.length
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.sort((a, b) => b.length - a.length)
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if (tokenLen > 1) {
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for (let i = 1; i < tokenLen; i++) {
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tokens.push(tokens.slice(0, i + 1).join(" "))
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}
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}
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return tokens.sort((a, b) => b.length - a.length) // always highlight longest terms first
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}
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function highlight(searchTerm: string, text: string, trim?: boolean) {
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function highlight(searchTerm: string, text: string, trim?: boolean) {
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// try to highlight longest tokens first
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const tokenizedTerms = tokenizeTerm(searchTerm)
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const tokenizedTerms = tokenizeTerm(searchTerm)
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let tokenizedText = text.split(/\s+/).filter((t) => t !== "")
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let tokenizedText = text.split(/\s+/).filter((t) => t !== "")
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@ -69,7 +75,6 @@ function highlight(searchTerm: string, text: string, trim?: boolean) {
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}
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}
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return tok
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return tok
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})
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})
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.slice(startIndex, endIndex + 1)
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.join(" ")
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.join(" ")
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return `${startIndex === 0 ? "" : "..."}${slice}${
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return `${startIndex === 0 ? "" : "..."}${slice}${
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@ -89,29 +94,32 @@ function highlightHTML(searchTerm: string, el: HTMLElement) {
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return span
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return span
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}
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}
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const highlightTextNodes = (node: Node) => {
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const highlightTextNodes = (node: Node, term: string) => {
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if (node.nodeType === Node.TEXT_NODE) {
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if (node.nodeType === Node.TEXT_NODE) {
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let nodeText = node.nodeValue || ""
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const nodeText = node.nodeValue ?? ""
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tokenizedTerms.forEach((term) => {
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const regex = new RegExp(term.toLowerCase(), "gi")
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const regex = new RegExp(term.toLowerCase(), "gi")
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const matches = nodeText.match(regex)
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const matches = nodeText.match(regex)
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if (!matches || matches.length === 0) return
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const spanContainer = document.createElement("span")
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const spanContainer = document.createElement("span")
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let lastIndex = 0
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let lastIndex = 0
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matches?.forEach((match) => {
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for (const match of matches) {
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const matchIndex = nodeText.indexOf(match, lastIndex)
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const matchIndex = nodeText.indexOf(match, lastIndex)
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spanContainer.appendChild(document.createTextNode(nodeText.slice(lastIndex, matchIndex)))
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spanContainer.appendChild(document.createTextNode(nodeText.slice(lastIndex, matchIndex)))
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spanContainer.appendChild(createHighlightSpan(match))
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spanContainer.appendChild(createHighlightSpan(match))
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lastIndex = matchIndex + match.length
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lastIndex = matchIndex + match.length
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})
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}
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spanContainer.appendChild(document.createTextNode(nodeText.slice(lastIndex)))
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spanContainer.appendChild(document.createTextNode(nodeText.slice(lastIndex)))
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node.parentNode?.replaceChild(spanContainer, node)
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node.parentNode?.replaceChild(spanContainer, node)
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})
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} else if (node.nodeType === Node.ELEMENT_NODE) {
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} else if (node.nodeType === Node.ELEMENT_NODE) {
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Array.from(node.childNodes).forEach(highlightTextNodes)
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if ((node as HTMLElement).classList.contains("highlight")) return
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Array.from(node.childNodes).forEach((child) => highlightTextNodes(child, term))
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}
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}
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}
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}
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highlightTextNodes(html.body)
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for (const term of tokenizedTerms) {
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highlightTextNodes(html.body, term)
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}
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return html.body
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return html.body
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}
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}
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@ -137,13 +145,13 @@ document.addEventListener("nav", async (e: CustomEventMap["nav"]) => {
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let previewInner: HTMLDivElement | undefined = undefined
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let previewInner: HTMLDivElement | undefined = undefined
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const results = document.createElement("div")
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const results = document.createElement("div")
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results.id = "results-container"
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results.id = "results-container"
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results.style.flexBasis = enablePreview ? "30%" : "100%"
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results.style.flexBasis = enablePreview ? "min(30%, 450px)" : "100%"
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appendLayout(results)
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appendLayout(results)
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if (enablePreview) {
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if (enablePreview) {
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preview = document.createElement("div")
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preview = document.createElement("div")
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preview.id = "preview-container"
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preview.id = "preview-container"
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preview.style.flexBasis = "70%"
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preview.style.flexBasis = "100%"
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appendLayout(preview)
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appendLayout(preview)
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}
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}
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@ -54,7 +54,7 @@
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}
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}
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& > #search-space {
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& > #search-space {
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width: 75%;
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width: 65%;
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margin-top: 12vh;
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margin-top: 12vh;
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margin-left: auto;
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margin-left: auto;
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margin-right: auto;
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margin-right: auto;
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@ -85,7 +85,6 @@
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& > #search-layout {
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& > #search-layout {
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display: flex;
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display: flex;
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flex-direction: row;
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flex-direction: row;
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justify-content: space-between;
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opacity: 0;
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opacity: 0;
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border: 1px solid var(--lightgray);
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border: 1px solid var(--lightgray);
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@ -106,7 +105,7 @@
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}
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}
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}
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}
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@media all and (max-width: $mobileBreakpoint) {
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@media all and (max-width: $tabletBreakpoint) {
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display: block;
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display: block;
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& > *:not(#results-container) {
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& > *:not(#results-container) {
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display: none !important;
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display: none !important;
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@ -119,8 +118,8 @@
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}
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}
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& .highlight {
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& .highlight {
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color: var(--secondary);
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background: color-mix(in srgb, var(--tertiary) 60%, transparent);
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font-weight: 700;
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border-radius: 5px;
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}
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}
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& > #preview-container {
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& > #preview-container {
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@ -129,8 +128,10 @@
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overflow: hidden;
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overflow: hidden;
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& .preview-inner {
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& .preview-inner {
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margin: 0 auto;
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padding: 1em;
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padding: 1em;
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height: 100%;
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height: 100%;
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width: 100%;
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box-sizing: border-box;
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box-sizing: border-box;
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overflow-y: auto;
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overflow-y: auto;
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font-family: inherit;
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font-family: inherit;
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@ -26,7 +26,7 @@ section {
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}
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}
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::selection {
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::selection {
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background: color-mix(in srgb, var(--tertiary) 75%, transparent);
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background: color-mix(in srgb, var(--tertiary) 60%, transparent);
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color: var(--darkgray);
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color: var(--darkgray);
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}
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}
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@ -1,6 +1,6 @@
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$pageWidth: 750px;
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$pageWidth: 750px;
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$mobileBreakpoint: 600px;
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$mobileBreakpoint: 600px;
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$tabletBreakpoint: 1200px;
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$tabletBreakpoint: 1000px;
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$sidePanelWidth: 380px;
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$sidePanelWidth: 380px;
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$topSpacing: 6rem;
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$topSpacing: 6rem;
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$fullPageWidth: $pageWidth + 2 * $sidePanelWidth;
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$fullPageWidth: $pageWidth + 2 * $sidePanelWidth;
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