// ==UserScript==
// @name Return YouTube Dislike
// @namespace https://www.returnyoutubedislike.com/
// @homepage https://www.returnyoutubedislike.com/
// @version 0.6.1
// @encoding utf-8
// @description Return of the YouTube Dislike, Based off https://www.returnyoutubedislike.com/
// @icon https://github.com/Anarios/return-youtube-dislike/raw/main/Icons/Return%20Youtube%20Dislike%20-%20Transparent.png
// @author Anarios & JRWR
// @match *://*.youtube.com/*
// @exclude *://music.youtube.com/*
// @exclude *://*.music.youtube.com/*
// @compatible chrome
// @compatible firefox
// @compatible opera
// @compatible safari
// @compatible edge
// @grant GM.xmlHttpRequest
// @connect youtube.com
// @grant GM_addStyle
// @run-at document-end
// ==/UserScript==
const LIKED_STATE = "LIKED_STATE";
const DISLIKED_STATE = "DISLIKED_STATE";
const NEUTRAL_STATE = "NEUTRAL_STATE";
var previousState = 3; //1=LIKED, 2=DISLIKED, 3=NEUTRAL
var likesvalue = 0;
var dislikesvalue = 0;
var isMobile = location.hostname == "m.youtube.com";
var mobileDislikes = 0;
function cLog(text, subtext = "") {
subtext = subtext.trim() === "" ? "" : `(${subtext})`;
console.log(`[Return YouTube Dislikes] ${text} ${subtext}`);
}
function getButtons() {
if (isMobile) {
return document.querySelector(".slim-video-action-bar-actions");
}
if (document.getElementById("menu-container")?.offsetParent === null) {
return document.querySelector("ytd-menu-renderer.ytd-watch-metadata > div");
} else {
return document
.getElementById("menu-container")
?.querySelector("#top-level-buttons-computed");
}
}
function getLikeButton() {
return getButtons().children[0];
}
function getDislikeButton() {
return getButtons().children[1];
}
function isVideoLiked() {
if (isMobile) {
return (
getLikeButton().querySelector("button").getAttribute("aria-label") ==
"true"
);
}
return getLikeButton().classList.contains("style-default-active");
}
function isVideoDisliked() {
if (isMobile) {
return (
getDislikeButton().querySelector("button").getAttribute("aria-label") ==
"true"
);
}
return getDislikeButton().classList.contains("style-default-active");
}
function isVideoNotLiked() {
if (isMobile) {
return !isVideoLiked();
}
return getLikeButton().classList.contains("style-text");
}
function isVideoNotDisliked() {
if (isMobile) {
return !isVideoDisliked();
}
return getDislikeButton().classList.contains("style-text");
}
function checkForSignInButton() {
if (isMobile) {
return;
}
if (document.querySelector('[aria-label="Sign in"]')) {
return true
} else {
return false
}
}
function getState() {
if (isVideoLiked()) {
return LIKED_STATE;
}
if (isVideoDisliked()) {
return DISLIKED_STATE;
}
return NEUTRAL_STATE;
}
function setLikes(likesCount) {
if (isMobile) {
getButtons().children[0].querySelector(".button-renderer-text").innerText =
likesCount;
return;
}
getButtons().children[0].querySelector("#text").innerText = likesCount;
}
function setDislikes(dislikesCount) {
if (isMobile) {
mobileDislikes = dislikesCount;
return;
}
getButtons().children[1].querySelector("#text").innerText = dislikesCount;
}
(typeof GM_addStyle != "undefined"
? GM_addStyle
: (styles) => {
var styleNode = document.createElement("style");
styleNode.type = "text/css";
styleNode.innerText = styles;
document.head.appendChild(styleNode);
})(`
#return-youtube-dislike-bar-container {
background: var(--yt-spec-icon-disabled);
border-radius: 2px;
}
#return-youtube-dislike-bar {
background: var(--yt-spec-text-primary);
border-radius: 2px;
transition: all 0.15s ease-in-out;
}
.ryd-tooltip {
position: relative;
display: block;
height: 2px;
top: 9px;
}
.ryd-tooltip-bar-container {
width: 100%;
height: 2px;
position: absolute;
padding-top: 6px;
padding-bottom: 28px;
top: -6px;
}
`);
function createRateBar(likes, dislikes) {
if (isMobile) {
return;
}
var rateBar = document.getElementById("return-youtube-dislike-bar-container");
const widthPx =
getButtons().children[0].clientWidth +
getButtons().children[1].clientWidth +
8;
const widthPercent =
likes + dislikes > 0 ? (likes / (likes + dislikes)) * 100 : 50;
if (!rateBar) {
document.getElementById("menu-container").insertAdjacentHTML(
"beforeend",
`
<div class="ryd-tooltip" style="width: ${widthPx}px">
<div class="ryd-tooltip-bar-container">
<div
id="return-youtube-dislike-bar-container"
style="width: 100%; height: 2px;"
>
<div
id="return-youtube-dislike-bar"
style="width: ${widthPercent}%; height: 100%"
></div>
</div>
</div>
<tp-yt-paper-tooltip position="top" id="ryd-dislike-tooltip" class="style-scope ytd-sentiment-bar-renderer" role="tooltip" tabindex="-1">
<!--css-build:shady-->${likes.toLocaleString()} / ${dislikes.toLocaleString()}
</tp-yt-paper-tooltip>
</div>
`
);
} else {
document.getElementById(
"return-youtube-dislike-bar-container"
).style.width = widthPx + "px";
document.getElementById("return-youtube-dislike-bar").style.width =
widthPercent + "%";
document.querySelector(
"#ryd-dislike-tooltip > #tooltip"
).innerHTML = `${likes.toLocaleString()} / ${dislikes.toLocaleString()}`;
}
}
function setState() {
cLog("Fetching votes...");
let statsSet = false;
if (isMobile) {
GM.xmlHttpRequest({
method: "GET",
url: `https://www.youtube.com/watch?v=${getVideoId()}`,
headers: {
"User-Agent":
"Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.3674",
},
onload: (response) => {
let result = getDislikesFromYoutubeResponse(response.responseText);
if (result) {
cLog("response from youtube:");
cLog(JSON.stringify(result));
if ("likes" in result && "dislikes" in result) {
const formattedDislike = numberFormat(result.dislikes);
setDislikes(formattedDislike);
likesvalue = result.likes
dislikesvalue = result.dislikes
createRateBar(result.likes, result.dislikes);
statsSet = true;
}
}
},
});
} else {
fetch(`https://www.youtube.com/watch?v=${getVideoId()}`).then((response) => {
response.text().then((text) => {
let result = getDislikesFromYoutubeResponse(text);
if (result) {
cLog("response from youtube:");
cLog(JSON.stringify(result));
if ("likes" in result && "dislikes" in result) {
const formattedDislike = numberFormat(result.dislikes);
setDislikes(formattedDislike);
likesvalue = result.likes;
dislikesvalue = result.dislikes;
createRateBar(result.likes, result.dislikes);
statsSet = true;
}
}
});
});
}
fetch(
`https://returnyoutubedislikeapi.com/votes?videoId=${getVideoId()}`
).then((response) => {
response.json().then((json) => {
if (json && !("traceId" in response) && !statsSet) {
const { dislikes, likes } = json;
cLog(`Received count: ${dislikes}`);
likesvalue = likes;
dislikesvalue = dislikes;
setDislikes(numberFormat(dislikes));
createRateBar(likes, dislikes);
}
});
});
}
function likeClicked() {
if (checkForSignInButton() == false) {
if (previousState == 1) {
likesvalue--;
createRateBar(likesvalue, dislikesvalue);
setDislikes(numberFormat(dislikesvalue));
previousState = 3
} else if (previousState == 2) {
likesvalue++;
dislikesvalue--;
setDislikes(numberFormat(dislikesvalue))
createRateBar(likesvalue, dislikesvalue);
previousState = 1
} else if (previousState == 3) {
likesvalue++;
createRateBar(likesvalue, dislikesvalue)
previousState = 1
}
}
}
function dislikeClicked() {
if (checkForSignInButton() == false) {
if (previousState == 3) {
dislikesvalue++;
setDislikes(numberFormat(dislikesvalue));
createRateBar(likesvalue, dislikesvalue);
previousState = 2
} else if (previousState == 2) {
dislikesvalue--;
setDislikes(numberFormat(dislikesvalue));
createRateBar(likesvalue, dislikesvalue);
previousState = 3
} else if (previousState == 1) {
likesvalue--;
dislikesvalue++;
setDislikes(numberFormat(dislikesvalue));
createRateBar(likesvalue, dislikesvalue);
previousState = 2
}
}
}
function setInitialState() {
setState();
}
function getVideoId() {
const urlObject = new URL(window.location.href);
const pathname = urlObject.pathname;
if (pathname.startsWith("/clips")) {
return document.querySelector("meta[itemprop='videoId']").content;
} else {
return urlObject.searchParams.get("v");
}
}
function isVideoLoaded() {
if (isMobile) {
return document.getElementById("player").getAttribute("loading") == "false";
}
const videoId = getVideoId();
return (
document.querySelector(`ytd-watch-flexy[video-id='${videoId}']`) !== null
);
}
function roundDown(num) {
if (num < 1000) return num;
const int = Math.floor(Math.log10(num) - 2);
const decimal = int + (int % 3 ? 1 : 0);
const value = Math.floor(num / 10 ** decimal);
return value * 10 ** decimal;
}
function numberFormat(numberState) {
const userLocales = new URL(
Array.from(document.querySelectorAll("head > link[rel='search']"))
?.find((n) => n?.getAttribute("href")?.includes("?locale="))
?.getAttribute("href")
)?.searchParams?.get("locale");
const formatter = Intl.NumberFormat(
document.documentElement.lang || userLocales,
{
notation: "compact",
minimumFractionDigits: 1,
maximumFractionDigits: 1,
}
);
return formatter.format(roundDown(numberState)).replace(/\.0|,0/, "");
}
function getDislikesFromYoutubeResponse(htmlResponse) {
let start =
htmlResponse.indexOf('"videoDetails":') + '"videoDetails":'.length;
let end =
htmlResponse.indexOf('"isLiveContent":false}', start) +
'"isLiveContent":false}'.length;
if (end < start) {
end =
htmlResponse.indexOf('"isLiveContent":true}', start) +
'"isLiveContent":true}'.length;
}
let jsonStr = htmlResponse.substring(start, end);
let jsonResult = JSON.parse(jsonStr);
let rating = jsonResult.averageRating;
start = htmlResponse.indexOf('"topLevelButtons":[', end);
start =
htmlResponse.indexOf('"accessibilityData":', start) +
'"accessibilityData":'.length;
end = htmlResponse.indexOf("}", start);
let likes = +htmlResponse.substring(start, end).replace(/\D/g, "");
let dislikes = (likes * (5 - rating)) / (rating - 1);
let result = {
likes,
dislikes: Math.round(dislikes),
rating,
viewCount: +jsonResult.viewCount,
};
return result;
}
function setEventListeners(evt) {
function checkForJS_Finish(check) {
console.log();
if (getButtons()?.offsetParent && isVideoLoaded()) {
clearInterval(jsInitChecktimer);
const buttons = getButtons();
if (!window.returnDislikeButtonlistenersSet) {
cLog("Registering button listeners...");
buttons.children[0].addEventListener("click", likeClicked);
buttons.children[1].addEventListener("click", dislikeClicked);
window.returnDislikeButtonlistenersSet = true;
}
setInitialState();
}
}
if (
window.location.href.indexOf("watch?") >= 0 ||
(isMobile && evt?.indexOf("watch?") >= 0)
) {
cLog("Setting up...");
var jsInitChecktimer = setInterval(checkForJS_Finish, 111);
}
}
(function () {
"use strict";
window.addEventListener("yt-navigate-finish", setEventListeners, true);
setEventListeners();
})();
if (isMobile) {
let originalPush = history.pushState;
history.pushState = function (...args) {
window.returnDislikeButtonlistenersSet = false;
setEventListeners(args[2]);
return originalPush.apply(history, args);
};
setInterval(() => {
getDislikeButton().querySelector(".button-renderer-text").innerText =
mobileDislikes;
}, 1000);
}