79 lines
2.3 KiB
JavaScript
79 lines
2.3 KiB
JavaScript
"use strict";
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;(() => {
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const q = s => document.querySelector(s)
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const qa = s => document.querySelectorAll(s)
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function createElement(tag, properties = {}, children = []) {
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const e = document.createElement(tag)
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for (const key of Object.keys(properties)) {
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e[key] = properties[key]
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}
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for (const child of children) {
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e.appendChild(child)
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}
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return e
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}
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function shuffle(array) {
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for (let i = 0; i < array.length; i++) {
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let j = Math.floor(Math.random() * (array.length-i)) + i
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;[array[i], array[j]] = [array[j], array[i]]
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}
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return array
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}
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function request(url) {
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return new Promise((resolve, reject) => {
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const xhr = new XMLHttpRequest()
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xhr.addEventListener("readystatechange", () => {
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if (xhr.readyState === 4) {
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if (xhr.status === 200) {
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resolve(JSON.parse(xhr.response))
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}
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}
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})
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xhr.open("GET", url)
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xhr.send()
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})
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}
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const destinationPath = window.location.href.slice(window.location.origin.length)
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q("#watch-on-youtube").href = "https://www.youtube.com" + destinationPath
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qa("[data-loading-message]").forEach(e => e.textContent = e.getAttribute("data-loading-message"))
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request("https://instances.invidio.us/instances.json?sort_by=type,health").then(
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/** @param {[string, {monitor: any, flag: string, region: string, stats: any, type: string, uri: string}][]} root */ root => {
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shuffle(root)
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root.map(entry => {
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const healthKnown = !!entry[1].monitor
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return {
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name: entry[0],
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details: entry[1],
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health: +(healthKnown ? entry[1].monitor.dailyRatios[0].ratio : 95),
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healthKnown
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}
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}).filter(entry => {
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return entry.details.type === "https" && entry.health > 0
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}).sort((a, b) => {
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return b.health - a.health
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}).forEach(entry => {
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let target = entry.details.uri.replace(/\/*$/, "") + destinationPath
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const healthUnknown = entry.healthKnown ? "" : "health-unknown "
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const health = entry.healthKnown ? entry.health.toFixed(0) : "(unknown)"
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q("#instances-tbody").appendChild(
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createElement("tr", {}, [
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createElement("td", {textContent: entry.name}),
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createElement("td", {className: "column-center "+healthUnknown, textContent: health}),
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createElement("td", {className: "column-center"}, [
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createElement("a", {href: target, textContent: "Go →"})
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])
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])
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)
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})
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qa(".loading").forEach(e => e.remove())
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})
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})()
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