Format JS

Claudio Yanes

2022-03-07 978d5ca1aee23d6663e508aa24b389b6c9003d04

 assets/js/search.js

@@ -58,190 +58,190 @@
};
// -----

(async function() {
(async function () {
    const contentIndex = new FlexSearch.Document({
    cache: true,
    charset: "latin:extra",
    optimize: true,
    worker: true,
    document: {
    index: [{
        field: "content",
        tokenize: "strict",
        context: {
        resolution: 5,
        depth: 3,
        bidirectional: true
        },
        suggest: true,
    }, {
        field: "title",
        tokenize: "forward",
    }]
    }
        cache: true,
        charset: "latin:extra",
        optimize: true,
        worker: true,
        document: {
            index: [{
                field: "content",
                tokenize: "strict",
                context: {
                    resolution: 5,
                    depth: 3,
                    bidirectional: true
                },
                suggest: true,
            }, {
                field: "title",
                tokenize: "forward",
            }]
        }
    })

    const { content } = await fetchData
    for (const [key, value] of Object.entries(content)) {
    contentIndex.add({
    id: key,
    title: value.title,
    content: removeMarkdown(value.content),
    })
        contentIndex.add({
            id: key,
            title: value.title,
            content: removeMarkdown(value.content),
        })
    }

    const highlight = (content, term) => {
    const highlightWindow = 20
    const tokenizedTerm = term.split(/\s+/).filter(t => t !== "")
    const splitText = content.split(/\s+/).filter(t => t !== "")
    const includesCheck = (token) => tokenizedTerm.some(term => token.toLowerCase().startsWith(term.toLowerCase()))
        const highlightWindow = 20
        const tokenizedTerm = term.split(/\s+/).filter(t => t !== "")
        const splitText = content.split(/\s+/).filter(t => t !== "")
        const includesCheck = (token) => tokenizedTerm.some(term => token.toLowerCase().startsWith(term.toLowerCase()))

    const occurrencesIndices = splitText
    .map(includesCheck)
        const occurrencesIndices = splitText
            .map(includesCheck)

    // calculate best index
    let bestSum = 0
    let bestIndex = 0
    for (let i = 0; i < Math.max(occurrencesIndices.length - highlightWindow, 0); i++) {
    const window = occurrencesIndices.slice(i, i + highlightWindow)
    const windowSum = window.reduce((total, cur) => total + cur, 0)
    if (windowSum >= bestSum) {
        bestSum = windowSum
        bestIndex = i
    }
    }

    const startIndex = Math.max(bestIndex - highlightWindow, 0)
    const endIndex = Math.min(startIndex + 2 * highlightWindow, splitText.length)
    const mappedText = splitText
    .slice(startIndex, endIndex)
    .map(token => {
        if (includesCheck(token)) {
        return `<span class="search-highlight">${token}</span>`
        // calculate best index
        let bestSum = 0
        let bestIndex = 0
        for (let i = 0; i < Math.max(occurrencesIndices.length - highlightWindow, 0); i++) {
            const window = occurrencesIndices.slice(i, i + highlightWindow)
            const windowSum = window.reduce((total, cur) => total + cur, 0)
            if (windowSum >= bestSum) {
                bestSum = windowSum
                bestIndex = i
            }
        }
        return token
    })
    .join(" ")
    .replaceAll('</span> <span class="search-highlight">', " ")
    return `${startIndex === 0 ? "" : "..."}${mappedText}${endIndex === splitText.length ? "" : "..."}`

        const startIndex = Math.max(bestIndex - highlightWindow, 0)
        const endIndex = Math.min(startIndex + 2 * highlightWindow, splitText.length)
        const mappedText = splitText
            .slice(startIndex, endIndex)
            .map(token => {
                if (includesCheck(token)) {
                    return `<span class="search-highlight">${token}</span>`
                }
                return token
            })
            .join(" ")
            .replaceAll('</span> <span class="search-highlight">', " ")
        return `${startIndex === 0 ? "" : "..."}${mappedText}${endIndex === splitText.length ? "" : "..."}`
    }

    const resultToHTML = ({url, title, content, term}) => {
    const text = removeMarkdown(content)
    const resultTitle = highlight(title, term)
    const resultText = highlight(text, term)
    return `<button class="result-card" id="${url}">
    const resultToHTML = ({ url, title, content, term }) => {
        const text = removeMarkdown(content)
        const resultTitle = highlight(title, term)
        const resultText = highlight(text, term)
        return `<button class="result-card" id="${url}">
        <h3>${resultTitle}</h3>
        <p>${resultText}</p>
    </button>`
    }

    const redir = (id, term) => {
    window.location.href = BASE_URL + `${id}#:~:text=${encodeURIComponent(term)}`
        window.location.href = BASE_URL + `${id}#:~:text=${encodeURIComponent(term)}`
    }

    const formatForDisplay = id => ({
    id,
    url: id,
    title: content[id].title,
    content: content[id].content
        id,
        url: id,
        title: content[id].title,
        content: content[id].content
    })

    const source = document.getElementById('search-bar')
    const results = document.getElementById("results-container")
    let term
    source.addEventListener("keyup", (e) => {
    if (e.key === "Enter") {
    const anchor = document.getElementsByClassName("result-card")[0]
    redir(anchor.id, term)
    }
        if (e.key === "Enter") {
            const anchor = document.getElementsByClassName("result-card")[0]
            redir(anchor.id, term)
        }
    })
    source.addEventListener('input', (e) => {
    term = e.target.value
    contentIndex.search(term, [
    {
        field: "content",
        limit: 10,
        suggest: true,
    },
    {
        field: "title",
        limit: 5,
    }
    ]).then(searchResults => {
    const getByField = field => {
        const results = searchResults.filter(x => x.field === field)
        if (results.length === 0) {
        return []
        } else {
        return [...results[0].result]
        }
    }
    const allIds = new Set([...getByField('title'), ...getByField('content')])
    const finalResults = [...allIds].map(formatForDisplay)
        term = e.target.value
        contentIndex.search(term, [
            {
                field: "content",
                limit: 10,
                suggest: true,
            },
            {
                field: "title",
                limit: 5,
            }
        ]).then(searchResults => {
            const getByField = field => {
                const results = searchResults.filter(x => x.field === field)
                if (results.length === 0) {
                    return []
                } else {
                    return [...results[0].result]
                }
            }
            const allIds = new Set([...getByField('title'), ...getByField('content')])
            const finalResults = [...allIds].map(formatForDisplay)

    // display
    if (finalResults.length === 0) {
        results.innerHTML = `<button class="result-card">
            // display
            if (finalResults.length === 0) {
                results.innerHTML = `<button class="result-card">
                    <h3>No results.</h3>
                    <p>Try another search term?</p>
                </button>`
    } else {
        results.innerHTML = finalResults
        .map(result => resultToHTML({
            ...result,
            term,
        }))
        .join("\n")
        const anchors = document.getElementsByClassName("result-card");
        [...anchors].forEach(anchor => {
        anchor.onclick = () => redir(anchor.id, term)
            } else {
                results.innerHTML = finalResults
                    .map(result => resultToHTML({
                        ...result,
                        term,
                    }))
                    .join("\n")
                const anchors = document.getElementsByClassName("result-card");
                [...anchors].forEach(anchor => {
                    anchor.onclick = () => redir(anchor.id, term)
                })
            }
        })
    }
    })
    })


    const searchContainer = document.getElementById("search-container")

    function openSearch() {
    if (searchContainer.style.display === "none" || searchContainer.style.display === "") {
    source.value = ""
    results.innerHTML = ""
    searchContainer.style.display = "block"
    source.focus()
    } else {
    searchContainer.style.display = "none"
    }
        if (searchContainer.style.display === "none" || searchContainer.style.display === "") {
            source.value = ""
            results.innerHTML = ""
            searchContainer.style.display = "block"
            source.focus()
        } else {
            searchContainer.style.display = "none"
        }
    }

    function closeSearch() {
    searchContainer.style.display = "none"
        searchContainer.style.display = "none"
    }

    document.addEventListener('keydown', (event) => {
    if (event.key === "/") {
    event.preventDefault()
    openSearch()
    }
    if (event.key === "Escape") {
    event.preventDefault()
    closeSearch()
    }
        if (event.key === "/") {
            event.preventDefault()
            openSearch()
        }
        if (event.key === "Escape") {
            event.preventDefault()
            closeSearch()
        }
    })

    const searchButton = document.getElementById("search-icon")
    searchButton.addEventListener('click', (evt) => {
    openSearch()
        openSearch()
    })
    searchButton.addEventListener('keydown', (evt) => {
    openSearch()
        openSearch()
    })
    searchContainer.addEventListener('click', (evt) => {
    closeSearch()
        closeSearch()
    })
    document.getElementById("search-space").addEventListener('click', (evt) => {
    evt.stopPropagation()
        evt.stopPropagation()
    })
})()