feat(usability): update functions for search (#774)
* feat(usability): update functions for search Signed-off-by: Aaron <29749331+aarnphm@users.noreply.github.com> * perf: slightly cleaner variables Signed-off-by: Aaron <29749331+aarnphm@users.noreply.github.com> --------- Signed-off-by: Aaron <29749331+aarnphm@users.noreply.github.com>
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Aaron Pham
GitHub
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@ -86,7 +86,6 @@ document.addEventListener("nav", async (e: CustomEventMap["nav"]) => {
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const searchIcon = document.getElementById("search-icon")
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const searchBar = document.getElementById("search-bar") as HTMLInputElement | null
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const searchLayout = document.getElementById("search-layout")
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const resultCards = document.getElementsByClassName("result-card")
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const idDataMap = Object.keys(data) as FullSlug[]
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const appendLayout = (el: HTMLElement) => {
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@ -151,41 +150,50 @@ document.addEventListener("nav", async (e: CustomEventMap["nav"]) => {
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if (searchBar) searchBar.value = "#"
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}
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const resultCards = document.getElementsByClassName("result-card")
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// If search is active, then we will render the first result and display accordingly
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if (!container?.classList.contains("active")) return
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else if (e.key === "Enter") {
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// If result has focus, navigate to that one, otherwise pick first result
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if (results?.contains(document.activeElement)) {
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else if (results?.contains(document.activeElement)) {
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const active = document.activeElement as HTMLInputElement
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await displayPreview(active)
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if (e.key === "Enter") {
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active.click()
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}
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} else {
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const anchor = document.getElementsByClassName("result-card")[0] as HTMLInputElement | null
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const anchor = resultCards[0] as HTMLInputElement | null
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await displayPreview(anchor)
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if (e.key === "Enter") {
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anchor?.click()
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}
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} else if (e.key === "ArrowUp" || (e.shiftKey && e.key === "Tab")) {
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}
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if (e.key === "ArrowUp" || (e.shiftKey && e.key === "Tab")) {
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e.preventDefault()
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if (results?.contains(document.activeElement)) {
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// If an element in results-container already has focus, focus previous one
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const prevResult = document.activeElement?.previousElementSibling as HTMLInputElement | null
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if (enablePreview && prevResult?.id) {
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await displayPreview(prevResult?.id as FullSlug)
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}
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const currentResult = document.activeElement as HTMLInputElement | null
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const prevResult = currentResult?.previousElementSibling as HTMLInputElement | null
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currentResult?.classList.remove("focus")
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await displayPreview(prevResult)
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prevResult?.focus()
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}
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} else if (e.key === "ArrowDown" || e.key === "Tab") {
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e.preventDefault()
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// When first pressing ArrowDown, results wont contain the active element, so focus first element
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// The results should already been focused, so we need to find the next one.
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// The activeElement is the search bar, so we need to find the first result and focus it.
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if (!results?.contains(document.activeElement)) {
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const firstResult = resultCards[0] as HTMLInputElement | null
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if (enablePreview && firstResult?.id) {
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await displayPreview(firstResult?.id as FullSlug)
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}
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firstResult?.focus()
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const secondResult = firstResult?.nextElementSibling as HTMLInputElement | null
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firstResult?.classList.remove("focus")
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await displayPreview(secondResult)
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secondResult?.focus()
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} else {
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// If an element in results-container already has focus, focus next one
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const nextResult = document.activeElement?.nextElementSibling as HTMLInputElement | null
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if (enablePreview && nextResult?.id) {
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await displayPreview(nextResult?.id as FullSlug)
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}
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const active = document.activeElement as HTMLInputElement | null
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active?.classList.remove("focus")
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const nextResult = active?.nextElementSibling as HTMLInputElement | null
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await displayPreview(nextResult)
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nextResult?.focus()
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}
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}
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@ -262,19 +270,50 @@ document.addEventListener("nav", async (e: CustomEventMap["nav"]) => {
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const resultToHTML = ({ slug, title, content, tags }: Item) => {
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const htmlTags = tags.length > 0 ? `<ul>${tags.join("")}</ul>` : ``
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const resultContent = enablePreview && window.innerWidth > 600 ? "" : `<p>${content}</p>`
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const itemTile = document.createElement("a")
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itemTile.classList.add("result-card")
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itemTile.id = slug
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itemTile.href = resolveUrl(slug).toString()
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itemTile.innerHTML = `<h3>${title}</h3>${htmlTags}${enablePreview && window.innerWidth > 600 ? "" : `<p>${content}</p>`}`
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itemTile.addEventListener("click", (event) => {
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Object.assign(itemTile, {
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id: slug,
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href: resolveUrl(slug).toString(),
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innerHTML: `<h3>${title}</h3>${htmlTags}${resultContent}`,
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})
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async function onMouseEnter(ev: MouseEvent) {
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// When search is active, the first element is in focus, so we need to remove focus if given target is not the first element
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const firstEl = document.getElementsByClassName("result-card")[0] as HTMLAnchorElement | null
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const target = ev.target as HTMLAnchorElement
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if (firstEl !== target) {
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firstEl?.classList.remove("focus")
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}
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target.classList.add("focus")
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await displayPreview(target)
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}
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async function onMouseLeave(ev: MouseEvent) {
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const target = ev.target as HTMLAnchorElement
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target.classList.remove("focus")
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}
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const events = [
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["mouseenter", onMouseEnter],
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["mouseleave", onMouseLeave],
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[
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"click",
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(event: MouseEvent) => {
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if (event.altKey || event.ctrlKey || event.metaKey || event.shiftKey) return
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hideSearch()
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})
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},
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],
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] as [keyof HTMLElementEventMap, (this: HTMLElement) => void][]
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events.forEach(([event, handler]) => itemTile.addEventListener(event, handler))
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return itemTile
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}
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function displayResults(finalResults: Item[]) {
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async function displayResults(finalResults: Item[]) {
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if (!results) return
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removeAllChildren(results)
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@ -286,6 +325,11 @@ document.addEventListener("nav", async (e: CustomEventMap["nav"]) => {
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} else {
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results.append(...finalResults.map(resultToHTML))
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}
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// focus on first result, then also dispatch preview immediately
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if (results?.firstElementChild) {
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results?.firstElementChild?.classList.add("focus")
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await displayPreview(results?.firstElementChild as HTMLElement)
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}
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}
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async function fetchContent(slug: FullSlug): Promise<Element[]> {
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@ -309,8 +353,11 @@ document.addEventListener("nav", async (e: CustomEventMap["nav"]) => {
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return contents
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}
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async function displayPreview(slug: FullSlug) {
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if (!searchLayout || !enablePreview) return
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async function displayPreview(el: HTMLElement | null) {
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if (!searchLayout || !enablePreview || !el) return
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const slug = el.id as FullSlug
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el.classList.add("focus")
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removeAllChildren(preview as HTMLElement)
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const contentDetails = await fetchContent(slug)
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@ -366,7 +413,7 @@ document.addEventListener("nav", async (e: CustomEventMap["nav"]) => {
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...getByField("tags"),
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])
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const finalResults = [...allIds].map((id) => formatForDisplay(term, id))
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displayResults(finalResults)
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await displayResults(finalResults)
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}
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if (prevShortcutHandler) {
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@ -162,7 +162,8 @@
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}
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&:hover,
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&:focus {
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&:focus,
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&.focus {
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background: var(--lightgray);
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}
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