| | |
| | | |
| | | 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++) { |
| | |
| | | }) |
| | | .join(" ") |
| | | |
| | | return `${startIndex === 0 ? "" : "..."}${slice}${ |
| | | endIndex === tokenizedText.length - 1 ? "" : "..." |
| | | }` |
| | | return `${startIndex === 0 ? "" : "..."}${slice}${endIndex === tokenizedText.length - 1 ? "" : "..." |
| | | }` |
| | | } |
| | | |
| | | function highlightHTML(searchTerm: string, el: HTMLElement) { |
| | | function highlightHTML(searchTerm: string, innerHTML: string) { |
| | | const p = new DOMParser() |
| | | const tokenizedTerms = tokenizeTerm(searchTerm) |
| | | const html = p.parseFromString(el.innerHTML, "text/html") |
| | | const html = p.parseFromString(innerHTML, "text/html") |
| | | |
| | | const createHighlightSpan = (text: string) => { |
| | | const span = document.createElement("span") |
| | |
| | | |
| | | document.addEventListener("nav", async (e: CustomEventMap["nav"]) => { |
| | | const currentSlug = e.detail.url |
| | | |
| | | const data = await fetchData |
| | | const container = document.getElementById("search-container") |
| | | const searchSpace = document.getElementById("search-space") |
| | | const sidebar = container?.closest(".sidebar") as HTMLElement |
| | | const searchIcon = document.getElementById("search-icon") |
| | | const searchBar = document.getElementById("search-bar") as HTMLInputElement | null |
| | |
| | | e.preventDefault() |
| | | const searchBarOpen = container?.classList.contains("active") |
| | | searchBarOpen ? hideSearch() : showSearch("basic") |
| | | return |
| | | } else if (e.shiftKey && (e.ctrlKey || e.metaKey) && e.key.toLowerCase() === "k") { |
| | | // Hotkey to open tag search |
| | | e.preventDefault() |
| | |
| | | |
| | | // add "#" prefix for tag search |
| | | if (searchBar) searchBar.value = "#" |
| | | return |
| | | } |
| | | |
| | | if (currentHover) { |
| | |
| | | } |
| | | } |
| | | |
| | | function trimContent(content: string) { |
| | | // works without escaping html like in `description.ts` |
| | | const sentences = content.replace(/\s+/g, " ").split(".") |
| | | let finalDesc = "" |
| | | let sentenceIdx = 0 |
| | | |
| | | // Roughly estimate characters by (words * 5). Matches description length in `description.ts`. |
| | | const len = contextWindowWords * 5 |
| | | while (finalDesc.length < len) { |
| | | const sentence = sentences[sentenceIdx] |
| | | if (!sentence) break |
| | | finalDesc += sentence + "." |
| | | sentenceIdx++ |
| | | } |
| | | |
| | | // If more content would be available, indicate it by finishing with "..." |
| | | if (finalDesc.length < content.length) { |
| | | finalDesc += ".." |
| | | } |
| | | |
| | | return finalDesc |
| | | } |
| | | |
| | | const formatForDisplay = (term: string, id: number) => { |
| | | const slug = idDataMap[id] |
| | | return { |
| | | id, |
| | | slug, |
| | | title: searchType === "tags" ? data[slug].title : highlight(term, data[slug].title ?? ""), |
| | | // if searchType is tag, display context from start of file and trim, otherwise use regular highlight |
| | | content: |
| | | searchType === "tags" |
| | | ? trimContent(data[slug].content) |
| | | : highlight(term, data[slug].content ?? "", true), |
| | | tags: highlightTags(term, data[slug].tags), |
| | | content: highlight(term, data[slug].content ?? "", true), |
| | | tags: highlightTags(term.substring(1), data[slug].tags), |
| | | } |
| | | } |
| | | |
| | | function highlightTags(term: string, tags: string[]) { |
| | | if (tags && searchType === "tags") { |
| | | // Find matching tags |
| | | const termLower = term.toLowerCase() |
| | | let matching = tags.filter((str) => str.includes(termLower)) |
| | | |
| | | // Subtract matching from original tags, then push difference |
| | | if (matching.length > 0) { |
| | | let difference = tags.filter((x) => !matching.includes(x)) |
| | | |
| | | // Convert to html (cant be done later as matches/term dont get passed to `resultToHTML`) |
| | | matching = matching.map((tag) => `<li><p class="match-tag">#${tag}</p></li>`) |
| | | difference = difference.map((tag) => `<li><p>#${tag}</p></li>`) |
| | | matching.push(...difference) |
| | | } |
| | | |
| | | // Only allow max of `numTagResults` in preview |
| | | if (tags.length > numTagResults) { |
| | | matching.splice(numTagResults) |
| | | } |
| | | |
| | | return matching |
| | | } else { |
| | | if (!tags || searchType !== "tags") { |
| | | 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) |
| | | } |
| | | |
| | | function resolveUrl(slug: FullSlug): URL { |
| | |
| | | } |
| | | |
| | | const resultToHTML = ({ slug, title, content, tags }: Item) => { |
| | | const htmlTags = tags.length > 0 ? `<ul>${tags.join("")}</ul>` : `` |
| | | const resultContent = enablePreview && window.innerWidth > 600 ? "" : `<p>${content}</p>` |
| | | |
| | | const htmlTags = tags.length > 0 ? `<ul class="tags">${tags.join("")}</ul>` : `` |
| | | const itemTile = document.createElement("a") |
| | | itemTile.classList.add("result-card") |
| | | Object.assign(itemTile, { |
| | | id: slug, |
| | | href: resolveUrl(slug).toString(), |
| | | innerHTML: `<h3>${title}</h3>${htmlTags}${resultContent}`, |
| | | }) |
| | | itemTile.id = slug |
| | | itemTile.href = resolveUrl(slug).toString() |
| | | itemTile.innerHTML = `<h3>${title}</h3>${htmlTags}<p class="preview">${content}</p>` |
| | | |
| | | async function onMouseEnter(ev: MouseEvent) { |
| | | // Actually when we hover, we need to clean all highlights within the result childs |
| | | if (!ev.target) return |
| | | for (const el of document.getElementsByClassName( |
| | | "result-card", |
| | | ) as HTMLCollectionOf<HTMLElement>) { |
| | | el.classList.remove("focus") |
| | | el.blur() |
| | | } |
| | | currentHover?.classList.remove('focus') |
| | | currentHover?.blur() |
| | | const target = ev.target as HTMLInputElement |
| | | await displayPreview(target) |
| | | currentHover = target |
| | | currentHover.classList.remove("focus") |
| | | currentHover.classList.add("focus") |
| | | } |
| | | |
| | | async function onMouseLeave(ev: MouseEvent) { |
| | | const target = ev.target as HTMLAnchorElement |
| | | if (!ev.target) return |
| | | const target = ev.target as HTMLElement |
| | | target.classList.remove("focus") |
| | | } |
| | | |
| | |
| | | hideSearch() |
| | | }, |
| | | ], |
| | | ] as [keyof HTMLElementEventMap, (this: HTMLElement) => void][] |
| | | ] as const |
| | | |
| | | events.forEach(([event, handler]) => itemTile.addEventListener(event, handler)) |
| | | events.forEach(([event, handler]) => { |
| | | itemTile.addEventListener(event, handler) |
| | | window.addCleanup(() => itemTile.removeEventListener(event, handler)) |
| | | }) |
| | | |
| | | return itemTile |
| | | } |
| | |
| | | removeAllChildren(results) |
| | | if (finalResults.length === 0) { |
| | | results.innerHTML = `<a class="result-card no-match"> |
| | | <h3>No results.</h3> |
| | | <p>Try another search term?</p> |
| | | </a>` |
| | | <h3>No results.</h3> |
| | | <p>Try another search term?</p> |
| | | </a>` |
| | | } else { |
| | | results.append(...finalResults.map(resultToHTML)) |
| | | } |
| | | // focus on first result, then also dispatch preview immediately |
| | | if (results?.firstElementChild) { |
| | | |
| | | if (finalResults.length === 0 && preview) { |
| | | // no results, clear previous preview |
| | | removeAllChildren(preview) |
| | | } else { |
| | | // focus on first result, then also dispatch preview immediately |
| | | const firstChild = results.firstElementChild as HTMLElement |
| | | if (firstChild.classList.contains("no-match")) { |
| | | removeAllChildren(preview as HTMLElement) |
| | | } else { |
| | | firstChild.classList.add("focus") |
| | | currentHover = firstChild as HTMLInputElement |
| | | await displayPreview(firstChild) |
| | | } |
| | | firstChild.classList.add("focus") |
| | | currentHover = firstChild as HTMLInputElement |
| | | await displayPreview(firstChild) |
| | | } |
| | | } |
| | | |
| | |
| | | } |
| | | |
| | | async function displayPreview(el: HTMLElement | null) { |
| | | if (!searchLayout || !enablePreview || !el) return |
| | | |
| | | if (!searchLayout || !enablePreview || !el || !preview) return |
| | | const slug = el.id as FullSlug |
| | | el.classList.add("focus") |
| | | |
| | | removeAllChildren(preview as HTMLElement) |
| | | |
| | | previewInner = document.createElement("div") |
| | | previewInner.classList.add("preview-inner") |
| | | preview?.appendChild(previewInner) |
| | | |
| | | const innerDiv = await fetchContent(slug).then((contents) => |
| | | contents.map((el) => highlightHTML(currentSearchTerm, el as HTMLElement)), |
| | | 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() |
| | | } |
| | | |
| | | async function onType(e: HTMLElementEventMap["input"]) { |
| | | let term = (e.target as HTMLInputElement).value |
| | | let searchResults: FlexSearch.SimpleDocumentSearchResultSetUnit[] |
| | | if (!searchLayout || !index) return |
| | | currentSearchTerm = (e.target as HTMLInputElement).value |
| | | searchLayout.style.visibility = currentSearchTerm === "" ? "hidden" : "visible" |
| | | searchType = currentSearchTerm.startsWith("#") ? "tags" : "basic" |
| | | |
| | | if (searchLayout) { |
| | | searchLayout.style.visibility = "visible" |
| | | } |
| | | |
| | | if (term === "" && searchLayout) { |
| | | searchLayout.style.visibility = "hidden" |
| | | } |
| | | |
| | | if (term.toLowerCase().startsWith("#")) { |
| | | searchType = "tags" |
| | | } else { |
| | | searchType = "basic" |
| | | } |
| | | |
| | | switch (searchType) { |
| | | case "tags": { |
| | | term = term.substring(1) |
| | | searchResults = |
| | | (await index?.searchAsync({ query: term, limit: numSearchResults, index: ["tags"] })) ?? |
| | | [] |
| | | break |
| | | } |
| | | case "basic": |
| | | default: { |
| | | searchResults = |
| | | (await index?.searchAsync({ |
| | | query: term, |
| | | limit: numSearchResults, |
| | | index: ["title", "content"], |
| | | })) ?? [] |
| | | } |
| | | let searchResults: FlexSearch.SimpleDocumentSearchResultSetUnit[] |
| | | if (searchType === "tags") { |
| | | searchResults = await index.searchAsync({ |
| | | query: currentSearchTerm.substring(1), |
| | | limit: numSearchResults, |
| | | index: ["tags"], |
| | | }) |
| | | } else if (searchType === "basic") { |
| | | searchResults = await index.searchAsync({ |
| | | query: currentSearchTerm, |
| | | limit: numSearchResults, |
| | | index: ["title", "content"], |
| | | }) |
| | | } |
| | | |
| | | const getByField = (field: string): number[] => { |
| | |
| | | ...getByField("content"), |
| | | ...getByField("tags"), |
| | | ]) |
| | | const finalResults = [...allIds].map((id) => formatForDisplay(term, id)) |
| | | const finalResults = [...allIds].map((id) => formatForDisplay(currentSearchTerm, id)) |
| | | await displayResults(finalResults) |
| | | } |
| | | |
| | |
| | | window.addCleanup(() => searchBar?.removeEventListener("input", onType)) |
| | | |
| | | index ??= await fillDocument(data) |
| | | registerEscapeHandler(searchSpace, hideSearch) |
| | | registerEscapeHandler(container, hideSearch) |
| | | }) |
| | | |
| | | /** |