75 lines
2.7 KiB
JavaScript
75 lines
2.7 KiB
JavaScript
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function htmlToElement(html) {
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const template = document.createElement("template")
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html = html.trim()
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template.innerHTML = html
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return template.content.firstChild
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}
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function initPopover(baseURL, useContextualBacklinks) {
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const basePath = baseURL.replace(window.location.origin, "")
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fetchData.then(({ content }) => {
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const links = [...document.getElementsByClassName("internal-link")]
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links
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.filter(li => li.dataset.src || (li.dataset.idx && useContextualBacklinks))
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.forEach(li => {
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let el
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if (li.dataset.ctx) {
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const linkDest = content[li.dataset.src]
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const popoverElement = `<div class="popover">
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<h3>${linkDest.title}</h3>
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<p>${highlight(removeMarkdown(linkDest.content), li.dataset.ctx)}...</p>
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<p class="meta">${new Date(linkDest.lastmodified).toLocaleDateString()}</p>
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</div>`
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el = htmlToElement(popoverElement)
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} else {
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const linkDest = content[li.dataset.src.replace(/\/$/g, "").replace(basePath, "")]
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if (linkDest) {
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let splitLink = li.href.split("#")
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let cleanedContent = removeMarkdown(linkDest.content)
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if (splitLink.length > 1) {
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let headingName = decodeURIComponent(splitLink[1]).replace(/\-/g, " ")
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let headingIndex = cleanedContent.toLowerCase().indexOf("<b>" + headingName + "</b>")
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cleanedContent = cleanedContent.substring(headingIndex, cleanedContent.length)
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}
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const popoverElement = `<div class="popover">
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<h3>${linkDest.title}</h3>
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<p>${cleanedContent.split(" ", 20).join(" ")}...</p>
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<p class="meta">${new Date(linkDest.lastmodified).toLocaleDateString()}</p>
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</div>`
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el = htmlToElement(popoverElement)
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}
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}
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if (el) {
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li.appendChild(el)
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if (LATEX_ENABLED) {
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renderMathInElement(el, {
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delimiters: [
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{ left: '$$', right: '$$', display: false },
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{ left: '$', right: '$', display: false },
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],
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throwOnError: false
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})
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}
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li.addEventListener("mouseover", () => {
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// fix tooltip positioning
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window.FloatingUIDOM.computePosition(li, el, {
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middleware: [window.FloatingUIDOM.offset(10), window.FloatingUIDOM.inline(), window.FloatingUIDOM.shift()],
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}).then(({ x, y }) => {
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Object.assign(el.style, {
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left: `${x}px`,
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top: `${y}px`,
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})
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})
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el.classList.add("visible")
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})
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li.addEventListener("mouseout", () => {
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el.classList.remove("visible")
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})
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}
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})
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})
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}
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