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Automatically click the "Show More" subscriptions button in the side bar
// ==UserScript==
// @name YouTube - automatically expand subscription list
// @description Automatically click the "Show More" subscriptions button in the side bar
// @namespace https://greasyfork.org/en/scripts/367774-youtube-automatically-expand-subscription-list
// @version 0.1.7
// @author Valacar
// @match https://www.youtube.com/*
// @noframes
// @grant none
// ==/UserScript==
(function() {
'use strict';
const DEBUGGING = 0;
const debugLog = DEBUGGING ? console.log : function(){};
const debugAssert = DEBUGGING ? console.assert : function(){};
window.addEventListener("loadstart", expandSubscriptions, true);
function expandSubscriptions() {
const expanderItems = document.querySelectorAll("#expander-item");
debugLog("----------");
debugLog("::: Found %d expander-items", expanderItems.length);
for (let expander of expanderItems) {
debugAssert(expander.parentNode);
debugAssert(expander.parentNode.previousSibling);
const lastSubscription = expander.parentNode.previousSibling;
const feedItem = lastSubscription.querySelectorAll(
'a[href^="/feed/subscriptions/"],a[href^="/channel/"],a[href^="/user/"],a[href^="/c/"],a[href^="/@"]'
);
if (feedItem.length) {
debugLog("::: Found a feed subscription link in section",
expander.parentNode.closest("ytd-guide-section-renderer")
);
const displayProperty = window.getComputedStyle(expander).getPropertyValue("display");
if (displayProperty === "block") {
debugLog("::: Expander display property = ", displayProperty);
debugLog("::: %cClicking expander",
"background: green; color: white; font-weight: bold;"
);
expander.click();
window.removeEventListener("loadstart", expandSubscriptions, true);
return;
} else {
debugLog("::: Expander display property = ", displayProperty);
debugLog("::: %cNot clicking since it appears to be expanded.",
"background: yellow; color: #000; font-weight: bold;"
);
}
} else {
debugLog("::: No subscription feed link in section",
expander.parentNode.closest("ytd-guide-section-renderer")
);
}
}
}
const observer = new MutationObserver(mutations => {
if (document.querySelector('ytd-guide-section-renderer')) {
expandSubscriptions();
observer.disconnect();
}
});
observer.observe(document.body, {
childList: true,
subtree: true
});
})();