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// ==UserScript==
// @name Return YouTube Dislike
// @namespace https://www.returnyoutubedislike.com/
// @version 0.5
// @description Return of the YouTube Dislike, Based off https://www.returnyoutubedislike.com/
// @author Anarios & JRWR
// @match *://*.youtube.com/watch*
// @compatible chrome
// @compatible firefox
// @compatible opera
// @compatible safari
// @compatible edge
// @grant GM.xmlHttpRequest
// @downloadURL none
// ==/UserScript==
function cLog(text, subtext = '') {
subtext = subtext.trim() === '' ? '' : `(${subtext})`;
console.log(`[Return Youtube Dislikes] ${text} ${subtext}`);
}
function doXHR(opts) {
if (typeof GM_xmlhttpRequest === 'function') {
return GM_xmlhttpRequest(opts);
}
if (typeof GM.xmlHttpRequest === 'function') {
return GM.xmlHttpRequest(opts);
}
console.warn('Unable to detect UserScript plugin, falling back to native XHR.');
const xhr = new XMLHttpRequest();
xhr.open(opts.method, opts.url, true);
xhr.onload = () => opts.onload({
response: JSON.parse(xhr.responseText),
});
xhr.onerror = err => console.error('XHR Failed', err);
xhr.send();
}
function getButtons() {
return document
.getElementById("menu-container")
?.querySelector("#top-level-buttons-computed");
}
function getLikeButton() {
return getButtons().children[0];
}
function getDislikeButton() {
return getButtons().children[1];
}
function isVideoLiked() {
return getLikeButton().classList.contains("style-default-active");
}
function isVideoDisliked() {
return getDislikeButton().classList.contains("style-default-active");
}
function isVideoNotLiked() {
return getLikeButton().classList.contains("style-text");
}
function isVideoNotDisliked() {
return getDislikeButton().classList.contains("style-text");
}
function getState() {
if (isVideoLiked()) {
return "liked";
}
if (isVideoDisliked()) {
return "disliked";
}
return "neutral";
}
function setLikes(likesCount) {
getButtons().children[0].querySelector("#text").innerText = likesCount;
}
function setDislikes(dislikesCount) {
getButtons().children[1].querySelector("#text").innerText = dislikesCount;
}
function setState() {
cLog('Fetching votes...');
doXHR({
method: "GET",
responseType: "json",
url:
"https://return-youtube-dislike-api.azurewebsites.net/votes?videoId=" +
getVideoId(),
onload: function (xhr) {
if (xhr != undefined) {
const { dislikes } = xhr.response;
cLog(`Received count: ${dislikes}`);
setDislikes(numberFormat(dislikes));
}
},
});
}
function likeClicked() {
cLog('Like clicked', getState());
setState();
}
function dislikeClicked() {
cLog('Dislike clicked', getState());
setState();
}
function setInitalState() {
setState();
}
function getVideoId() {
const urlParams = new URLSearchParams(window.location.search);
const videoId = urlParams.get("v");
return videoId;
}
function isVideoLoaded() {
const videoId = getVideoId();
return (
document.querySelector(`ytd-watch-flexy[video-id='${videoId}']`) !== null
);
}
function numberFormat(numberState) {
const userLocales = navigator.language;
const formatter = Intl.NumberFormat(userLocales, { notation: "compact" });
return formatter.format(numberState);
}
function setEventListeners(evt) {
function checkForJS_Finish() {
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;
}
setInitalState();
}
}
if (window.location.href.indexOf("watch?") >= 0) {
cLog('Setting up...');
var jsInitChecktimer = setInterval(checkForJS_Finish, 111);
}
}
(function () {
"use strict";
window.addEventListener("yt-navigate-finish", setEventListeners, true);
setEventListeners();
})();