From c0c0b24138c6718a7bc91926c7e4dd074845e620 Mon Sep 17 00:00:00 2001
From: Jacky Zhao <j.zhao2k19@gmail.com>
Date: Fri, 02 Feb 2024 05:19:51 +0000
Subject: [PATCH] feat: improve search preview styling and tokenization
---
quartz/components/scripts/search.inline.ts | 62 +++++++++++++++++-------------
1 files changed, 35 insertions(+), 27 deletions(-)
diff --git a/quartz/components/scripts/search.inline.ts b/quartz/components/scripts/search.inline.ts
index 797685a..82fdf82 100644
--- a/quartz/components/scripts/search.inline.ts
+++ b/quartz/components/scripts/search.inline.ts
@@ -24,14 +24,20 @@
const numSearchResults = 8
const numTagResults = 5
-const tokenizeTerm = (term: string) =>
- term
- .split(/\s+/)
- .filter((t) => t !== "")
- .sort((a, b) => b.length - a.length)
+const tokenizeTerm = (term: string) => {
+ const tokens = term.split(/\s+/).filter((t) => t.trim() !== "")
+
+ const tokenLen = tokens.length
+ if (tokenLen > 1) {
+ for (let i = 1; i < tokenLen; i++) {
+ tokens.push(tokens.slice(0, i + 1).join(" "))
+ }
+ }
+
+ return tokens.sort((a, b) => b.length - a.length) // always highlight longest terms first
+}
function highlight(searchTerm: string, text: string, trim?: boolean) {
- // try to highlight longest tokens first
const tokenizedTerms = tokenizeTerm(searchTerm)
let tokenizedText = text.split(/\s+/).filter((t) => t !== "")
@@ -69,7 +75,6 @@
}
return tok
})
- .slice(startIndex, endIndex + 1)
.join(" ")
return `${startIndex === 0 ? "" : "..."}${slice}${
@@ -89,29 +94,32 @@
return span
}
- const highlightTextNodes = (node: Node) => {
+ const highlightTextNodes = (node: Node, term: string) => {
if (node.nodeType === Node.TEXT_NODE) {
- let nodeText = node.nodeValue || ""
- tokenizedTerms.forEach((term) => {
- const regex = new RegExp(term.toLowerCase(), "gi")
- const matches = nodeText.match(regex)
- const spanContainer = document.createElement("span")
- let lastIndex = 0
- matches?.forEach((match) => {
- const matchIndex = nodeText.indexOf(match, lastIndex)
- spanContainer.appendChild(document.createTextNode(nodeText.slice(lastIndex, matchIndex)))
- spanContainer.appendChild(createHighlightSpan(match))
- lastIndex = matchIndex + match.length
- })
- spanContainer.appendChild(document.createTextNode(nodeText.slice(lastIndex)))
- node.parentNode?.replaceChild(spanContainer, node)
- })
+ const nodeText = node.nodeValue ?? ""
+ const regex = new RegExp(term.toLowerCase(), "gi")
+ const matches = nodeText.match(regex)
+ if (!matches || matches.length === 0) return
+ const spanContainer = document.createElement("span")
+ let lastIndex = 0
+ for (const match of matches) {
+ const matchIndex = nodeText.indexOf(match, lastIndex)
+ spanContainer.appendChild(document.createTextNode(nodeText.slice(lastIndex, matchIndex)))
+ spanContainer.appendChild(createHighlightSpan(match))
+ lastIndex = matchIndex + match.length
+ }
+ spanContainer.appendChild(document.createTextNode(nodeText.slice(lastIndex)))
+ node.parentNode?.replaceChild(spanContainer, node)
} else if (node.nodeType === Node.ELEMENT_NODE) {
- Array.from(node.childNodes).forEach(highlightTextNodes)
+ if ((node as HTMLElement).classList.contains("highlight")) return
+ Array.from(node.childNodes).forEach((child) => highlightTextNodes(child, term))
}
}
- highlightTextNodes(html.body)
+ for (const term of tokenizedTerms) {
+ highlightTextNodes(html.body, term)
+ }
+
return html.body
}
@@ -137,13 +145,13 @@
let previewInner: HTMLDivElement | undefined = undefined
const results = document.createElement("div")
results.id = "results-container"
- results.style.flexBasis = enablePreview ? "30%" : "100%"
+ results.style.flexBasis = enablePreview ? "min(30%, 450px)" : "100%"
appendLayout(results)
if (enablePreview) {
preview = document.createElement("div")
preview.id = "preview-container"
- preview.style.flexBasis = "70%"
+ preview.style.flexBasis = "100%"
appendLayout(preview)
}
--
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