hideDeleted.js

function nukecomments() {

// Adapted from:
// ==UserScript==
// @name          Reddit Mod Nuke Userscript
// @version       6.283.185.307
// @include       htt*://*.reddit.com/*
// @author        djimbob (dr jimbob)
// @downloadURL   https://github.com/agentlame/Reddit-Mod-Nuke-Userscript/raw/master/modnuke.user.js
// @description   This userscript helps reddit moderators delete threads.
// ==/UserScript==

//Setup
var nuke = new TB.Module('Comment Nuke');
nuke.shortname = 'Nuke';

////Default settings
nuke.settings['enabled']['default'] = false;
nuke.config['betamode'] = true;

nuke.init = function () {

	delete_function = function (thread_root) {
		var elmnts = document.getElementsByClassName('id-' + thread_root)[0].querySelectorAll('form input[value="removed"]~span.option.error a.yes,a[onclick^="return big_mod_action($(this), -1)"]');
		var $rootElmnt = $(elmnts[0]).closest('.thing');
		TB.ui.longLoadSpinner(true, 'removing comments', 'neutral');
		for (var i = 0; i < elmnts.length; i++) {
			setTimeout(
				(function (_elmnt, _idx) {
					return function () {
						TB.ui.textFeedback('removing comment ' + _idx + '/' + elmnts.length, 'neutral');
						nuke.log('removing comment ' + _idx + '/' + elmnts.length, false, 'nuke');
						var event = document.createEvent('UIEvents');
						event.initUIEvent('click', true, true, window, 1);
						_elmnt.dispatchEvent(event);
						if (_idx == elmnts.length) {
							$rootElmnt.hide(750);
							nuke.log("kill spinner");
							TB.ui.longLoadSpinner(false);
							TB.ui.textFeedback('all comments removed', 'positive');
						}
					}
				})(elmnts[i], (i + 1)), 1500 * i); // 1.5s timeout prevents overloading reddit.
		}
	};

	if (document.querySelector('body.moderator')) { // only execute if you are a moderator
		//console.log('running nuke comments');

		var nuke_button = new Array();
		var divels = document.querySelectorAll('div.noncollapsed');
		var comment_ids = new Array();
		var use_image = false;
		// create img DOM element to clone
		if (use_image) {
			try {
				var img_element = document.createElement('img');
				img_element.setAttribute('alt', 'Nuke!');
				img_element.setAttribute('src', chrome.extension.getURL('nuke.png'));
			} catch (e) {
				use_image = false;
			}
		}
		for (var i = 0; i < divels.length; i++) {
			var author_link = divels[i].querySelector('p.tagline>a.author,p.tagline>span.author,p.tagline>em');
			// p.tagline>a.author is normal comment;
			// some author deleted comments seem to have either
			// p.tagline>span.author or p.tagline>em

			comment_ids[i] = divels[i].getAttribute('data-fullname');
			// console.log(i + ':' + comment_ids);
			if (author_link) {
				// create link DOM element with img inside link
				nuke_button[i] = document.createElement('a');
				nuke_button[i].setAttribute('href', 'javascript:void(0)');
				nuke_button[i].setAttribute('title', 'Nuke!');
				nuke_button[i].setAttribute('id', 'nuke_' + i);
				if (use_image) {
					nuke_button[i].appendChild(img_element.cloneNode(true));
				} else {
					nuke_button[i].innerHTML = "[R]";
				}
				// append after the author's name
				author_link.parentNode.insertBefore(nuke_button[i], author_link.nextSibling);

				// Add listener for click; using IIFE to function with _i as value of i when created; not when click
				nuke_button[i].addEventListener('click', (function (_i) {
					return function () {
						var continue_thread = divels[_i].querySelectorAll('span.morecomments>a');
						var comment_str = " comments?";
						if (continue_thread.length > 0) {
							comment_str = "+ comments (more after expanding collapsed threads; there will be a pause before the first deletion to retrieve more comments)?";
						}
						var delete_button = divels[_i].querySelectorAll('form input[value="removed"]~span.option.error a.yes,a[onclick^="return big_mod_action($(this), -1)"]');
						// form input[value="removed"]~span.option.error a.yes -- finds the yes for normal deleting comments.
						// a.pretty-button.neutral finds the 'remove' button for flagged comments
						if (confirm("Are you sure you want to nuke the following " + delete_button.length + comment_str)) {

							for (var indx = 0; indx < continue_thread.length; indx++) {
								var elmnt = continue_thread[indx];
								setTimeout(
									function () {
										var event = document.createEvent('UIEvents');
										event.initUIEvent('click', true, true, window, 1);
										elmnt.dispatchEvent(event);
									}, 2000 * indx); // wait two seconds before each ajax call before clicking each "load more comments"
							}
							if (indx > 0) {
								setTimeout(function () {
										delete_function(comment_ids[_i])
									},
									2000 * (indx + 2)); // wait 4s after last ajax "load more comments"
							} else {
								delete_function(comment_ids[_i]); // call immediately if not "load more comments"
							}
						}
					}
				})(i)); // end of IIFE (immediately invoked function expression)
			}
		}
	}
};

TB.register_module(nuke);
} // nukecomments() wrapper

(function () {
    window.addEventListener("TBObjectLoaded", function () {
        nukecomments();
    });
})();