YouTube Subscriptions Page: Hide Viewed Videos

Once a video is clicked, it will be hidden from the subscription page
当前为 2017-08-30 提交的版本，查看最新版本。
换行
// ==UserScript==
// @name         YouTube Subscriptions Page: Hide Viewed Videos
// @namespace    hideViewedVideos_kk
// @description  Once a video is clicked, it will be hidden from the subscription page
// @version      0.2
// @author       Kai Krause <[email protected]>
// @match        http://www.youtube.com/feed/subscriptions*
// @match        https://www.youtube.com/feed/subscriptions*
// @run-at       document-end
// ==/UserScript==

function autoHideClicked (e) {
	e = e || window.event;
	
	// Disable right-click
	var isRightMB;
	if ("which" in e) { // Gecko (Firefox), WebKit (Safari/Chrome) & Opera
		isRightMB = e.which == 3;
	} else if ("button" in e) { // IE, Opera
		isRightMB = e.button == 2;
	}
	if (isRightMB) return;
	
	// Disable channel clicks from removing the video
	var target = e.target || e.srcElement;
	if (target.href && target.href.includes('/channel/')) return;
	
	var targets = [];
	targets.push(target);
	while (targets) {
		var targetType = target.tagName;
		if (targetType == "YTD-GRID-VIDEO-RENDERER") {
			
			var hideMenuButton = target.getElementsByTagName('button')[0];
			hideMenuButton.click();
			
			setTimeout(function() {
				// Hide the video via the youtube menus, because 1) lazy, 2) easier to update in future
				var hideMenu = document.getElementsByTagName('ytd-popup-container')[0];
				var hideButton = hideMenu.getElementsByTagName('yt-formatted-string');
				for (var i = 0; i < hideButton.length; ++i) {
					if (hideButton[i].innerHTML == "Hide") {
						hideButton[i].click();
						break;
					}
				}
				
				// Hide the 'video is hidden' message
				var renderers = document.getElementsByTagName('ytd-grid-video-renderer');
				for (var i = 0; i < renderers.length; ++i) {
					var dismissedItem = renderers[i].getAttribute('is-dismissed');
					if (dismissedItem === "") {
						renderers[i].remove();
						break;
					}
				}
				
			}, 4);
			break;
		} else {
			targets.unshift(target);
			target = target.parentNode;
		}
	}
}
document.addEventListener('mouseup', autoHideClicked);
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