// ==UserScript==
// @name Reddit Chemo
// @namespace Reddit Chemo
// @version 0.2.0
// @description Remove ads and unwanted subreddit posts on new reddit
// @author Lawrence Sim
// @license WTFPL (http://www.wtfpl.net)
// @grant none
// @match *://*.reddit.com/*
// ==/UserScript==
(function() {
var banSubreddits = [
"amcstock",
"animalcrossing",
"anime_irl",
"animemes",
"animememes",
"apexlegends",
"apexoutlands",
"askouija",
"bokunoheroacademia",
"bokunometaacademia",
"breath_of_the_wild",
"chloe",
"codwarzone",
"conservative",
"copypasta",
"cyberpunkgame",
"dankmemes",
"destinythegame",
"destiny2",
"dnd",
"dndmemes",
"dndnext",
"dogelore",
"dota2",
"fortnitebr",
"funhaus",
"gamingcirclejerk",
"genshin_impact",
"genshin_impact_leaks",
"genshin_memepact",
"globaloffensive",
"gme",
"grandorder",
"greentext",
"grimdank",
"gtaonline",
"h3h3productions",
"halo",
"heathstone",
"highqualitygifs",
"hoi4",
"hollowknightmemes",
"hololive",
"kpop",
"ksi",
"leagueoflegends",
"leagueofmemes",
"livestreamfail",
"lotrmemes",
"lowsodiumcyberpunk",
"marvelmemes",
"marvelstudios",
"memeeconomy",
"minecraft",
"modernwarfare",
"nintendoswitch",
"nukedmemes",
"onepiece",
"otmemes",
"overwatch",
"overwatch_memes",
"pcgaming",
"pcmasterrace",
"pewdiepiesubmissions",
"pokemon",
"pokemongo",
"politcalcompassmemes",
"prequelmemes",
"ps4",
"ps5",
"raimimemes",
"roosterteeth",
"sequelmemes",
"skyrim",
"shitpostcrusaders",
"shitposting",
"smashbros",
"superstonk",
"surrealmemes",
"tf2",
"theboys",
"themonkeyspaw",
"tinder",
"titanfall",
"valorant",
"warhammer40k",
"wholesomeanimemes",
"wholesomejojo",
"wow",
"xboxone"
];
var showRemovedMessage = true;
//-------------------------------------------------------------------------------------
banSubreddits = banSubreddits.map(n => (n.startsWith("r/") ? n : `r/${n}`).toLowerCase());
function blockPost(post, sub) {
if(!showRemovedMessage) return post.remove();
post.style.background = "rgb(80 70 70)";
for(let i = 0; i < post.children.length; ++i) {
let child = post.children[i];
if(child.children[0] && child.children[0].id.startsWith("vote-arrows")) {
child.style.top = "-0.7em";
let voteElem = child.children[0];
for(let j = voteElem.children.length-1; j >= 0; --j) {
let subelm = voteElem.children[j];
if(subelm.nodeName.toLowerCase() === "button" && subelm.getAttribute("data-click-id") === "downvote") {
let icon = subelm.querySelector(".icon");
icon.style["line-height"] = "15px";
icon.style["font-size"] = "14px";
} else {
subelm.remove();
}
}
} else if(child.getAttribute("data-click-id") === "background") {
child.style.background = "none";
child.style.color = "rgb(163 149 149)";
child.style.padding = "0.3em";
child.style["font-size"] = "0.7em";
child.innerHTML = `Post from ${sub} removed`;
} else {
child.remove()
}
}
console.log("Banned subreddit ("+sub+") post removed.");
}
function fuckRedditAds(mutated) {
(mutated || [{target: document.body}]).forEach(mutant => {
mutant.target.querySelectorAll("div[data-testid='post-container']").forEach(post => {
if(post.getAttribute("chemo")) return;
let ad = false;
post.querySelectorAll("span").forEach(span => !ad ? (ad = span.innerText === "promoted") : ad);
if(ad) {
post.remove();
post.setAttribute("chemo", 1);
console.log("Ad removed.");
return;
}
let subreddit = post.querySelector("a[data-click-id='subreddit']");
if(subreddit && subreddit.innerText) {
let ban = ~banSubreddits.indexOf(subreddit.innerText.toLowerCase());
if(ban) blockPost(post, banSubreddits[~ban]);
post.setAttribute("chemo", 1);
return;
}
let postObserver = new MutationObserver((mutated, observer) => {
subreddit = post.querySelector("a[data-click-id='subreddit']")
if(subreddit && subreddit.innerText) {
let ban = ~banSubreddits.indexOf(subreddit.innerText.toLowerCase());
if(ban) blockPost(post, banSubreddits[~ban]);
observer.disconnect();
}
});
postObserver.observe(post, {childList:true, subtree:true, attributes:true});
post.setAttribute("chemo", 1);
});
});
};
fuckRedditAds();
(new MutationObserver(fuckRedditAds)).observe(document.body, {childList:true, subtree:true});
})();
