92 lines
2.9 KiB
TypeScript
92 lines
2.9 KiB
TypeScript
/** @param {Event} evt */
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function removeEffect({ target }) {
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const effectsLayer = document.querySelector("#effects")
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if (effectsLayer == null) {
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return
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}
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const effects = Array.from(effectsLayer.children).filter(
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(e) => e["__effectParent"] === target
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)
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effects.forEach((e) => {
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e.getAnimations().forEach((anim) => {
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if (+(anim.currentTime ?? 0) < 100) {
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anim.pause()
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effectsLayer.removeChild(e)
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return
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}
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anim.pause()
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anim.updatePlaybackRate(-0.25)
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anim.play()
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anim.addEventListener("finish", () => {
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if (effectsLayer.contains(e)) {
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effectsLayer.removeChild(e)
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}
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})
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})
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})
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}
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function isElement(target: EventTarget | null): target is Element {
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return target !== null && typeof target["matches"] === "function"
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}
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function addEffect({ target }: UIEvent) {
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const effectsLayer = document.querySelector("#effects")
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if (
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!isElement(target) ||
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!target.matches("a[href],.nav-toggle-button,button,input[type='radio']")
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) {
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return
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}
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const color = window.getComputedStyle(target).getPropertyValue("--glowColor")
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const rects = Array.from(target.getClientRects())
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Array.from(target.children).forEach((child) => {
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rects.push(...Array.from(child.getClientRects()))
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})
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rects.forEach((rect) => {
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const { top, left, width, height } = rect
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const newEffect = document.createElement("div")
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newEffect["__effectParent"] = target
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newEffect.classList.add("effect-instance")
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const padding = "10rem"
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newEffect.style.top = `calc(${top + window.scrollY}px - ${padding})`
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newEffect.style.left = `calc(${left + window.scrollX}px - ${padding})`
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newEffect.style.width = `calc(${width}px + 2 * ${padding})`
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newEffect.style.height = `calc(${height}px + 2 * ${padding})`
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newEffect.style.setProperty("--glowColor", color)
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effectsLayer?.appendChild(newEffect)
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})
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}
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function addCodeBlockCopiers() {
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document.querySelectorAll('pre[class^=language]').forEach(el => {
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const copyButton = document.createElement('button')
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copyButton.classList.add('copy-button')
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copyButton.addEventListener('click', () => {
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if (el instanceof HTMLElement) {
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navigator.clipboard.writeText(el.innerText)
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}
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})
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el.appendChild(copyButton)
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})
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}
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function attend({ target}: UIEvent) {
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if (!isElement(target) || !target.matches("a[href][target=_blank]")) {
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return
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}
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umami?.track(`Link: ${target['innerText'] ?? target.getAttribute('href')}`, {
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from: document.location.href,
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destination: target.getAttribute('href'),
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})
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}
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document.addEventListener("mouseenter", addEffect, true)
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document.addEventListener("focus", addEffect, true)
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document.addEventListener("mouseleave", removeEffect, true)
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document.addEventListener("blur", removeEffect, true)
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document.addEventListener("click", attend, true)
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document.addEventListener("DOMContentLoaded", addCodeBlockCopiers)
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