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// ==UserScript==
// @name Hide Unreplied Posts
// @namespace Violentmonkey Scripts
// @match https://scratch.mit.edu/discuss/57/*
// @grant none
// ==/UserScript==
let numRemoved = 0, span
const observer = new MutationObserver(mutations => {
let dirty = false
for (const mutation of mutations) {
for (const node of mutation.addedNodes) {
if (!node.matches) {
continue
}
if (node.matches('.box-content tr')) {
const replyCount = parseInt(node.querySelector('.tc2').textContent)
if (replyCount === 0) {
node.remove()
numRemoved++
dirty = true
}
}
if (!span && node.matches('.box-head h4')) {
span = document.createElement('span')
span.style.color = 'red'
node.appendChild(span)
}
}
}
if (span && dirty) {
while (span.firstChild) {
span.removeChild(span.firstChild)
}
span.appendChild(document.createTextNode(` - ${numRemoved} post${numRemoved === 1 ? '' : 's'} with no replies hidden`))
}
})
observer.observe(document.documentElement, {
childList: true,
subtree: true
})
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