Add simple buttons to control items per row on Youtube's homepage grid, default is 4
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// ==UserScript==
// @name YouTube Grid Row Controller
// @namespace https://github.com/HageFX-78
// @version 0.1
// @description Add simple buttons to control items per row on Youtube's homepage grid, default is 4
// @author HageFX78
// @license MIT
// @match *://www.youtube.com/*
// @icon https://www.google.com/s2/favicons?sz=64&domain=youtube.com
// @grant GM_setValue
// @grant GM_getValue
// ==/UserScript==
(function () {
"use strict";
// If you have another script that disables or remove yt chips set this to false, true by default
let embedInChips = true;
// If you want to hide the controls/UI set this to true, false by default
let hideControls = false;
// This will be used if hideControls is true, 4 by default. Setting will affect the count when hideControls is true
let defaultItemsPerRow = 4;
// Changing this will not effect the script, use the buttons to change it
let itemsPerRow = GM_getValue("itemsPerRow", defaultItemsPerRow);
const overrideStyle = document.createElement("style");
const staticOverrideStyle = document.createElement("style");
const chipsStyle = document.createElement("style");
const noChipsStyle = document.createElement("style");
chipsStyle.textContent = `
#right-arrow {
right: 10% !important;
}
#chips-wrapper {
justify-content: left !important;
}
#chips-content{
width: 90% !important;
}
#itemPerRowControl {
display: flex;
justify-content: center;
align-items: center;
flex: 1;
gap: 10px;
box-sizing: border-box;
user-select: none;
}
`;
noChipsStyle.textContent = `
#itemPerRowControl {
display: flex;
justify-content: right;
align-items: center;
margin: 0;
padding: 0 60px;
width: 100%;
gap: 10px;
box-sizing: border-box;
user-select: none;
}
`;
staticOverrideStyle.textContent = `
ytd-rich-item-renderer[rendered-from-rich-grid][is-in-first-column] {
margin-left: calc(var(--ytd-rich-grid-item-margin) / 2) !important;
}
#itemPerRowControl button {
background-color: #f1f1f1;
border: none;
color: white;
background-color:var(--yt-spec-badge-chip-background);
font-size: 24px;
text-align: center;
display: inline-block;
height: 30px;
aspect-ratio: 1/1;
border-radius: 50%;
}
#itemPerRowControl button:hover {
background-color: var(--yt-spec-button-chip-background-hover);
cursor: pointer;
}
`;
overrideStyle.textContent = `
ytd-rich-grid-renderer { --ytd-rich-grid-items-per-row: ${
hideControls ? defaultItemsPerRow : itemsPerRow
} !important; }
`;
document.head.appendChild(staticOverrideStyle);
document.head.appendChild(overrideStyle);
if (hideControls) {
return;
}
if (embedInChips) {
document.head.appendChild(chipsStyle);
waitForElement("#chips-wrapper").then((element) => {
createControlDiv(element);
});
} else {
document.head.appendChild(noChipsStyle);
waitForElement("#contents").then((element) => {
createControlDiv(element);
});
}
//-------------------------------------------- Functions --------------------------------------------------
function waitForElement(selector) {
return new Promise((resolve) => {
const observer = new MutationObserver((mutations, observer) => {
const element = document.querySelector(selector);
if (element) {
observer.disconnect();
resolve(element);
}
});
observer.observe(document.body, {
childList: true,
subtree: true,
});
});
}
function updateItemPerRow() {
overrideStyle.textContent = `
ytd-rich-grid-renderer { --ytd-rich-grid-items-per-row: ${itemsPerRow} !important; }`;
GM_setValue("itemsPerRow", itemsPerRow); // Save the value
}
function createControlDiv(insertTarget) {
let controlDiv = document.createElement("div");
controlDiv.id = "itemPerRowControl";
controlDiv.classList.add("style-scope", "ytd-rich-grid-renderer");
// Control
let addItemPerRow = document.createElement("button");
addItemPerRow.innerText = "+";
addItemPerRow.addEventListener("click", () => {
itemsPerRow++;
updateItemPerRow();
});
let minusItemPerRow = document.createElement("button");
minusItemPerRow.innerText = "-";
minusItemPerRow.addEventListener("click", () => {
if (itemsPerRow > 1) {
itemsPerRow--;
updateItemPerRow();
}
});
controlDiv.appendChild(minusItemPerRow);
controlDiv.appendChild(addItemPerRow);
if (embedInChips) {
insertTarget.appendChild(controlDiv);
} else {
insertTarget.parentNode.insertBefore(controlDiv, insertTarget);
}
}
})();