Hide from YouTube's mobile browser homepage any videos that are recommended more than twice. You can also hide by channel or by partial title.
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// ==UserScript==
// @name YouTube Mobile Repeated Recommendations Hider
// @description Hide from YouTube's mobile browser homepage any videos that are recommended more than twice. You can also hide by channel or by partial title.
// @version 1.8
// @author BLBC (github.com/hjk789, greasyfork.org/users/679182-hjk789)
// @copyright 2020+, BLBC (github.com/hjk789, greasyfork.org/users/679182-hjk789)
// @homepage https://github.com/hjk789/Creations/tree/master/JavaScript/Userscripts/YouTube-Mobile-Repeated-Recommendations-Hider
// @license https://github.com/hjk789/Creations/tree/master/JavaScript/Userscripts/YouTube-Mobile-Repeated-Recommendations-Hider#license
// @match https://m.youtube.com
// @grant GM.setValue
// @grant GM.getValue
// @grant GM.listValues
// @grant GM.deleteValue
// @namespace https://greasyfork.org/users/679182
// ==/UserScript==
//******* SETTINGS ********
const maxRepetitions = 2 // The maximum number of times that the same recommended video is allowed to appear on your
// homepage before starting to get hidden. Set this to 1 if you want one-time recommendations.
//*************************
let channelsToHide, partialTitlesToHide
let processedVideosList
GM.getValue("channels").then(function(value)
{
if (!value)
{
value = JSON.stringify([])
GM.setValue("channels", value)
}
channelsToHide = JSON.parse(value)
GM.getValue("partialTitles").then(function(value)
{
if (!value)
{
value = JSON.stringify([])
GM.setValue("partialTitles", value)
}
partialTitlesToHide = JSON.parse(value)
GM.listValues().then(function(GmList) // Get in an array all the items currently in the script's storage. Searching for a value in
{ // an array is much faster and lighter than calling GM.getValue for every recommendation.
processedVideosList = GmList
const recommendationsContainer = document.querySelector(".rich-grid-renderer-contents")
const firstVideos = recommendationsContainer.querySelectorAll("ytm-rich-item-renderer") // Because a mutation observer is being used and the script is run after the page is fully
// loaded, the observer isn't triggered with the recommendations that appear first.
for (let i=0; i < firstVideos.length; i++) // This does the processing manually to these first ones.
processRecommendation(firstVideos[i])
const loadedRecommendedVideosObserver = new MutationObserver(function(mutations) // A mutation observer is being used so that all processings happen only
{ // when actually needed, which is when more recommendations are loaded.
for (let i=0; i < mutations.length; i++)
processRecommendation(mutations[i].addedNodes[0])
})
loadedRecommendedVideosObserver.observe(recommendationsContainer, {childList: true})
})
})
})
async function processRecommendation(node)
{
if (!node) return
const videoTitleEll = node.querySelector("h3")
const videoTitleText = videoTitleEll.textContent.toLowerCase() // Convert the title's text to lowercase so that there's no distinction with uppercase letters.
const videoChannel = videoTitleEll.nextSibling.firstChild.firstChild.textContent
const videoUrl = videoTitleEll.parentElement.href
const videoMenuBtn = node.querySelector("ytm-menu")
if (videoMenuBtn)
{
videoMenuBtn.onclick = function()
{
waitForMenu = setInterval(function(node, videoChannel)
{
const menu = document.getElementById("menu")
if (menu)
{
clearInterval(waitForMenu)
const hideChannelButton = document.createElement("button")
hideChannelButton.className = "menu-item-button"
hideChannelButton.innerText = "Hide videos from this channel"
hideChannelButton.onclick = function()
{
if (confirm("Are you sure you want to hide all videos from the channel ''" + videoChannel + "''?"))
{
channelsToHide.push(videoChannel)
GM.setValue("channels", JSON.stringify(channelsToHide))
}
}
const hidePartialTitleButton = document.createElement("button")
hidePartialTitleButton.className = "menu-item-button"
hidePartialTitleButton.innerText = "Hide videos that include a text"
hidePartialTitleButton.onclick = function()
{
const partialText = prompt("Specify the partial title of the videos to hide. All videos that contain this text in the title will get hidden.")
if (partialText)
{
partialTitlesToHide.push(partialText.toLowerCase())
GM.setValue("partialTitles", JSON.stringify(partialTitlesToHide))
}
}
menu.firstChild.appendChild(hideChannelButton)
menu.firstChild.appendChild(hidePartialTitleButton)
}
}, 100, node, videoChannel)
}
}
if (processedVideosList.includes("hide::"+videoUrl) || channelsToHide.includes(videoChannel) || partialTitlesToHide.some(p => videoTitleText.includes(p)))
node.style.display = "none"
else
{
if (maxRepetitions == 1) // If the script is set to show only one-time recommendations, to avoid unnecessary processings,
{ // rightaway mark to hide in the next time the page is loaded every video not found in the storage.
GM.setValue("hide::"+videoUrl,"")
return
}
else
var value = await GM.getValue(videoUrl)
if (typeof value == "undefined")
value = 1
else
{
if (value >= maxRepetitions)
{
node.style.display = "none"
GM.deleteValue(videoUrl)
GM.setValue("hide::"+videoUrl,"")
return
}
value++
}
GM.setValue(videoUrl, value)
}
}