quartz-research-note/assets/js/popover.js

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JavaScript
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function htmlToElement(html) {
const template = document.createElement('template')
html = html.trim()
template.innerHTML = html
return template.content.firstChild
}
function initPopover(base) {
const baseUrl = base.replace(window.location.origin, "") // is this useless?
document.addEventListener("DOMContentLoaded", () => {
fetchData().then(({content}) => {
const links = [...document.getElementsByClassName("internal-link")]
links.forEach(li => {
const linkDest = content[li.dataset.src.replace(baseUrl, "")]
// const linkDest = content[li.dataset.src]
if (linkDest) {
const popoverElement = `<div class="popover">
<h3>${linkDest.title}</h3>
<p>${removeMarkdown(linkDest.content).split(" ", 20).join(" ")}...</p>
<p class="meta">${new Date(linkDest.lastmodified).toLocaleDateString()}</p>
</div>`
const el = htmlToElement(popoverElement)
li.appendChild(el)
li.addEventListener("mouseover", () => {
el.classList.add("visible")
})
li.addEventListener("mouseout", () => {
el.classList.remove("visible")
})
}
})
})
})
}