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wodzuniu / Erpolska Dobra Zmiana

// ==UserScript==
// @name Erpolska Dobra Zmiana
// @description Removes auto-moderator comment spam from threads
// @version 0.1.0
// @author wodzuniu
// @license       MIT
// @include *
// @grant none
// @namespace https://openuserjs.org/users/wodzuniu
// @copyright 2019, wodzuniu (https://openuserjs.org/users/wodzuniu)
// @grant none
// ==/UserScript==


function removeNode(node) {
	node.parentNode.removeChild(node);
}
	
function decreaseCommentCount(node) {
	node.innerHTML = node.innerHTML.replace(/\d+/, digits => parseInt(digits) - 1);
}

const theIncident = new Date("2019-10-06T16:59:06+00:00");

if (document.URL.match("reddit.com/r")) {
	if (document.URL.match("reddit.com/r/Polska/comments/")) {
		document.querySelectorAll("div.stickied").forEach(stickyCommentNode => {
			removeNode(stickyCommentNode);
			document.querySelectorAll("div.panestack-title > .title").forEach(decreaseCommentCount);
			document.querySelectorAll("#siteTable a.comments").forEach(decreaseCommentCount);
		});
	}
	else if (document.URL.match("reddit.com/r/Polska(/|hot|new|rising|controversial|top)")) {
		document.querySelectorAll("#siteTable > div.link").forEach(postNode => {
			postNode.querySelectorAll("time").forEach(timeNode => {
				const date = new Date(timeNode.attributes.datetime.value);
				if (date >= theIncident) {
					postNode.querySelectorAll("a.comments").forEach(decreaseCommentCount);
				}
			});
		});
	}
}