| | |
| | | type SearchType = "basic" | "tags" |
| | | let searchType: SearchType = "basic" |
| | | let currentSearchTerm: string = "" |
| | | let index: FlexSearch.Document<Item> | undefined = undefined |
| | | const p = new DOMParser() |
| | | const encoder = (str: string) => str.toLowerCase().split(/([^a-z]|[^\x00-\x7F])/) |
| | | let index = new FlexSearch.Document<Item>({ |
| | | charset: "latin:extra", |
| | | encode: encoder, |
| | | document: { |
| | | id: "id", |
| | | index: [ |
| | | { |
| | | field: "title", |
| | | tokenize: "forward", |
| | | }, |
| | | { |
| | | field: "content", |
| | | tokenize: "forward", |
| | | }, |
| | | { |
| | | field: "tags", |
| | | tokenize: "forward", |
| | | }, |
| | | ], |
| | | }, |
| | | }) |
| | | |
| | | const p = new DOMParser() |
| | | const fetchContentCache: Map<FullSlug, Element[]> = new Map() |
| | | const contextWindowWords = 30 |
| | | const numSearchResults = 8 |
| | |
| | | }) |
| | | .join(" ") |
| | | |
| | | return `${startIndex === 0 ? "" : "..."}${slice}${endIndex === tokenizedText.length - 1 ? "" : "..." |
| | | }` |
| | | return `${startIndex === 0 ? "" : "..."}${slice}${ |
| | | endIndex === tokenizedText.length - 1 ? "" : "..." |
| | | }` |
| | | } |
| | | |
| | | function highlightHTML(searchTerm: string, innerHTML: string) { |
| | | function highlightHTML(searchTerm: string, el: HTMLElement) { |
| | | const p = new DOMParser() |
| | | const tokenizedTerms = tokenizeTerm(searchTerm) |
| | | const html = p.parseFromString(innerHTML, "text/html") |
| | | const html = p.parseFromString(el.innerHTML, "text/html") |
| | | |
| | | const createHighlightSpan = (text: string) => { |
| | | const span = document.createElement("span") |
| | |
| | | let previewInner: HTMLDivElement | undefined = undefined |
| | | const results = document.createElement("div") |
| | | results.id = "results-container" |
| | | results.style.flexBasis = enablePreview ? "min(30%, 450px)" : "100%" |
| | | appendLayout(results) |
| | | |
| | | if (enablePreview) { |
| | | preview = document.createElement("div") |
| | | preview.id = "preview-container" |
| | | preview.style.flexBasis = "100%" |
| | | appendLayout(preview) |
| | | } |
| | | |
| | |
| | | removeAllChildren(preview) |
| | | } |
| | | if (searchLayout) { |
| | | searchLayout.style.visibility = "hidden" |
| | | searchLayout.classList.remove("display-results") |
| | | } |
| | | |
| | | searchType = "basic" // reset search type after closing |
| | |
| | | |
| | | // If search is active, then we will render the first result and display accordingly |
| | | if (!container?.classList.contains("active")) return |
| | | else if (e.key === "Enter") { |
| | | if (e.key === "Enter") { |
| | | // If result has focus, navigate to that one, otherwise pick first result |
| | | if (results?.contains(document.activeElement)) { |
| | | const active = document.activeElement as HTMLInputElement |
| | |
| | | : (document.activeElement as HTMLInputElement | null) |
| | | const prevResult = currentResult?.previousElementSibling as HTMLInputElement | null |
| | | currentResult?.classList.remove("focus") |
| | | await displayPreview(prevResult) |
| | | prevResult?.focus() |
| | | currentHover = prevResult |
| | | if (prevResult) currentHover = prevResult |
| | | await displayPreview(prevResult) |
| | | } |
| | | } else if (e.key === "ArrowDown" || e.key === "Tab") { |
| | | e.preventDefault() |
| | |
| | | : (document.getElementsByClassName("result-card")[0] as HTMLInputElement | null) |
| | | const secondResult = firstResult?.nextElementSibling as HTMLInputElement | null |
| | | firstResult?.classList.remove("focus") |
| | | await displayPreview(secondResult) |
| | | secondResult?.focus() |
| | | currentHover = secondResult |
| | | } else { |
| | | // If an element in results-container already has focus, focus next one |
| | | const active = currentHover |
| | | ? currentHover |
| | | : (document.activeElement as HTMLInputElement | null) |
| | | active?.classList.remove("focus") |
| | | const nextResult = active?.nextElementSibling as HTMLInputElement | null |
| | | await displayPreview(nextResult) |
| | | nextResult?.focus() |
| | | currentHover = nextResult |
| | | if (secondResult) currentHover = secondResult |
| | | await displayPreview(secondResult) |
| | | } |
| | | } |
| | | } |
| | |
| | | return [] |
| | | } |
| | | |
| | | return tags.map(tag => { |
| | | if (tag.toLowerCase().includes(term.toLowerCase())) { |
| | | return `<li><p class="match-tag">#${tag}</p></li>` |
| | | } else { |
| | | return `<li><p>#${tag}</p></li>` |
| | | } |
| | | }).slice(0, numTagResults) |
| | | return tags |
| | | .map((tag) => { |
| | | if (tag.toLowerCase().includes(term.toLowerCase())) { |
| | | return `<li><p class="match-tag">#${tag}</p></li>` |
| | | } else { |
| | | return `<li><p>#${tag}</p></li>` |
| | | } |
| | | }) |
| | | .slice(0, numTagResults) |
| | | } |
| | | |
| | | function resolveUrl(slug: FullSlug): URL { |
| | |
| | | itemTile.classList.add("result-card") |
| | | itemTile.id = slug |
| | | itemTile.href = resolveUrl(slug).toString() |
| | | itemTile.innerHTML = `<h3>${title}</h3>${htmlTags}<p class="preview">${content}</p>` |
| | | itemTile.innerHTML = `<h3>${title}</h3>${htmlTags}${ |
| | | enablePreview && window.innerWidth > 600 ? "" : `<p>${content}</p>` |
| | | }` |
| | | itemTile.addEventListener("click", (event) => { |
| | | if (event.altKey || event.ctrlKey || event.metaKey || event.shiftKey) return |
| | | hideSearch() |
| | | }) |
| | | |
| | | const handler = (event: MouseEvent) => { |
| | | if (event.altKey || event.ctrlKey || event.metaKey || event.shiftKey) return |
| | | hideSearch() |
| | | } |
| | | |
| | | async function onMouseEnter(ev: MouseEvent) { |
| | | if (!ev.target) return |
| | | currentHover?.classList.remove('focus') |
| | | currentHover?.blur() |
| | | const target = ev.target as HTMLInputElement |
| | | await displayPreview(target) |
| | | currentHover = target |
| | | currentHover.classList.add("focus") |
| | | } |
| | | |
| | | async function onMouseLeave(ev: MouseEvent) { |
| | | if (!ev.target) return |
| | | const target = ev.target as HTMLElement |
| | | target.classList.remove("focus") |
| | | } |
| | | |
| | | const events = [ |
| | | ["mouseenter", onMouseEnter], |
| | | ["mouseleave", onMouseLeave], |
| | | [ |
| | | "click", |
| | | (event: MouseEvent) => { |
| | | if (event.altKey || event.ctrlKey || event.metaKey || event.shiftKey) return |
| | | hideSearch() |
| | | }, |
| | | ], |
| | | ] as const |
| | | |
| | | events.forEach(([event, handler]) => { |
| | | itemTile.addEventListener(event, handler) |
| | | window.addCleanup(() => itemTile.removeEventListener(event, handler)) |
| | | }) |
| | | itemTile.addEventListener("mouseenter", onMouseEnter) |
| | | window.addCleanup(() => itemTile.removeEventListener("mouseenter", onMouseEnter)) |
| | | itemTile.addEventListener("click", handler) |
| | | window.addCleanup(() => itemTile.removeEventListener("click", handler)) |
| | | |
| | | return itemTile |
| | | } |
| | |
| | | async function displayPreview(el: HTMLElement | null) { |
| | | if (!searchLayout || !enablePreview || !el || !preview) return |
| | | const slug = el.id as FullSlug |
| | | el.classList.add("focus") |
| | | const innerDiv = await fetchContent(slug).then((contents) => |
| | | contents.flatMap((el) => [...highlightHTML(currentSearchTerm, el as HTMLElement).children]), |
| | | ) |
| | | previewInner = document.createElement("div") |
| | | previewInner.classList.add("preview-inner") |
| | | const innerDiv = await fetchContent(slug).then((contents) => |
| | | contents.map((el) => highlightHTML(currentSearchTerm, el.innerHTML)), |
| | | ) |
| | | previewInner.append(...innerDiv) |
| | | preview.replaceChildren(previewInner) |
| | | |
| | | // scroll to longest |
| | | const highlights = [...preview.querySelectorAll(".highlight")].sort((a, b) => b.innerHTML.length - a.innerHTML.length) |
| | | highlights[0]?.scrollIntoView() |
| | | const highlights = [...preview.querySelectorAll(".highlight")].sort( |
| | | (a, b) => b.innerHTML.length - a.innerHTML.length, |
| | | ) |
| | | highlights[0]?.scrollIntoView({ block: "start" }) |
| | | } |
| | | |
| | | async function onType(e: HTMLElementEventMap["input"]) { |
| | | if (!searchLayout || !index) return |
| | | currentSearchTerm = (e.target as HTMLInputElement).value |
| | | searchLayout.style.visibility = currentSearchTerm === "" ? "hidden" : "visible" |
| | | searchLayout.classList.toggle("display-results", currentSearchTerm !== "") |
| | | searchType = currentSearchTerm.startsWith("#") ? "tags" : "basic" |
| | | |
| | | let searchResults: FlexSearch.SimpleDocumentSearchResultSetUnit[] |
| | |
| | | searchBar?.addEventListener("input", onType) |
| | | window.addCleanup(() => searchBar?.removeEventListener("input", onType)) |
| | | |
| | | index ??= await fillDocument(data) |
| | | registerEscapeHandler(container, hideSearch) |
| | | await fillDocument(data) |
| | | }) |
| | | |
| | | /** |
| | |
| | | * @param data data to fill index with |
| | | */ |
| | | async function fillDocument(data: { [key: FullSlug]: ContentDetails }) { |
| | | const index = new FlexSearch.Document<Item>({ |
| | | charset: "latin:extra", |
| | | encode: encoder, |
| | | document: { |
| | | id: "id", |
| | | index: [ |
| | | { |
| | | field: "title", |
| | | tokenize: "forward", |
| | | }, |
| | | { |
| | | field: "content", |
| | | tokenize: "forward", |
| | | }, |
| | | { |
| | | field: "tags", |
| | | tokenize: "forward", |
| | | }, |
| | | ], |
| | | }, |
| | | }) |
| | | let id = 0 |
| | | const promises: Array<Promise<unknown>> = [] |
| | | for (const [slug, fileData] of Object.entries<ContentDetails>(data)) { |
| | | await index.addAsync(id++, { |
| | | id, |
| | | slug: slug as FullSlug, |
| | | title: fileData.title, |
| | | content: fileData.content, |
| | | tags: fileData.tags, |
| | | }) |
| | | promises.push( |
| | | index.addAsync(id++, { |
| | | id, |
| | | slug: slug as FullSlug, |
| | | title: fileData.title, |
| | | content: fileData.content, |
| | | tags: fileData.tags, |
| | | }), |
| | | ) |
| | | } |
| | | |
| | | return index |
| | | return await Promise.all(promises) |
| | | } |