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Preview to the top comments on Reddit (+ optional auto-load comments and images, auto-hide sidebar)
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// ==UserScript==
// @name Reddit - Top Comments Preview New Design
// @namespace https://greatest.deepsurf.us/users/5174-jesuis-parapluie
// @author jesuis-parapluie
// @version 3.00
// @description Preview to the top comments on Reddit (+ optional auto-load comments and images, auto-hide sidebar)
// @homepageURL https://github.com/mationic/userscripts/blob/master/Reddit%20-%20Top%20Comments%20Preview.readme.md
// @require https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js
// @include /^https?:\/\/(.+\.)?reddit\.com\/?.*$/
// @grant GM_getValue
// @grant GM_setValue
// ==/UserScript==
(function ($) {
"use strict";
/*jshint validthis: true */
/*jslint browser: true, regexp: true, newcap: true */
/*global $, jQuery, GM_getValue, GM_setValue, MutationObserver */
var options = {
/* Number of comments to display */
topComments: 3,
/* Sortings available: top, best, new, hot, controversial, old */
commentSorting: "top",
/* Show comments at the top of items */
commentsAtTop: false,
/* Don't show (pinned) comments from following users */
skipCommentsFrom: ["AutoModerator", "WholesomeBot", "PoliticalHumorBot", "SavageAxeBot", "movieDetailsModBot", "WritingPromptsRobot"],
/* Disable sidebar button in menu bar */
disableSidebarButton: false,
/* Disable autoload buttons in menu bar */
disableAutoloadButton: false,
/* Disable RES keyboard shortcut 't' to show/hide comments */
disableShortCut: false
},
helper = {
prefix: {
item: "item-",
id: "toplink-",
box: "commentpreview-"
},
layout: {
prefix: "layoutSwitch--",
0: "card",
1: "classic",
2: "compact",
active: ""
},
findLayout: function () {
var i, j, colors = [],
counts = {};
for (i = 0; i <= 2; i += 1) {
colors.push($("#" + helper.layout.prefix + helper.layout[i]).find("svg").css("fill"));
}
$.each(colors, function (value) {
if (!counts.hasOwnProperty(value)) {
counts[value] = 1;
} else {
counts[value] += 1;
}
});
for (j in counts) {
if (counts[j] === 1) {
for (i = 0; i <= 2; i += 1) {
if (colors[i] === j) {
helper.layout.active = helper.layout[i];
break;
}
}
}
}
},
toggleView: function (className) {
(function (style) {
style.display = style.display === "none" ? "" : "none";
}(document.querySelector(className).style));
}
},
design = {
active: "new",
new: {
style: [
".aubox a.disabled{color:#995F5F;font-weight:400} .aubox a.enabled{color:#009D2D;font-weight:400} a#sidebarswitch{cursor:pointer}",
"div.topbar{padding: 0 10px 0 10px;} div.topbar span{padding: 0 0 0 5px;} div.commentbox hr { border-color: #777; opacity: 0.2; }",
"div.commentbox{-moz-box-sizing:border-box;-webkit-box-sizing:border-box;box-sizing:border-box;border-radius:5px;border:1px solid;white-space:normal;padding:5px;margin:8px 0}",
"div.commentbox .md{border:1px solid rgb(120,120,120,0.4);-moz-box-sizing:border-box;-webkit-box-sizing:border-box;box-sizing:border-box;margin:3px 0;box-sizing:border-box;padding:2px 8px}",
".loaderror:before{content:' loading failed ';color:red} .loading:before{content:'Loading...'} .loading{color:rgb(79, 188, 255)} .res-nightmode .loaderror:before{content:' loading failed ';color:#E63A3A}",
"div.commentbox .md *{white-space:normal} div.commentbox .md code{white-space:pre} div.commentbox .md pre{overflow:visible} div.commentbox>*{font-size:small}",
"div.commentbox .ulink,div.commentbox .md a{font-weight:700} .listing-page .buttons li{vertical-align:top} .toplink{color:#FF4500!important;text-decoration:none;height: 14px; padding: 0 4px 0 4px;}",
".permalink{float:right;color:#666;margin-left:.5em} .points{font-weight:700;margin-left:.5em}"
].join(""),
items_selector: ".scrollerItem",
menubar_element: "<div>",
menubar_parent: $("#view--layout--FUE").parent(),
expando_button: ".icon-expandoArrowExpand",
comment_link: "a[data-click-id=comments]"
},
old: {
style: [
".aubox a.disabled{color:#995F5F;font-weight:400} .aubox a.enabled{color:#009D2D;font-weight:400} a#sidebarswitch{cursor:pointer}",
"div.commentbox{-moz-box-sizing:border-box;-webkit-box-sizing:border-box;box-sizing:border-box;background:#fff;border-radius:5px;border:1px solid #dbdbdb;white-space:normal;padding:5px;display:inline-block;margin:8px 0}",
"div.commentbox .md{border:1px solid #ddd;background:#f0f0f0;-moz-box-sizing:border-box;-webkit-box-sizing:border-box;box-sizing:border-box;margin:3px 0;box-sizing:border-box;padding:2px 8px}",
".loaderror:before{content:\" loading failed \";color:red} .loading:before{content:\"Loading...\"} .res-nightmode .loaderror:before{content:\" loading failed \";color:#E63A3A}",
"div.commentbox .md *{white-space:normal} div.commentbox .md code{white-space:pre} div.commentbox .md pre{overflow:visible} div.commentbox>*{font-size:small}",
"div.commentbox .ulink,div.commentbox .md a{font-weight:700;color:#369!important} .listing-page .buttons li{vertical-align:top} .toplink{color:#FF4500!important;text-decoration:none;margin-left:10px!important;}",
".permalink{float:right;color:#666;margin-left:.5em} .points{color:#333;font-weight:700;margin-left:.5em}",
".res-nightmode div.commentbox pre,.res-nightmode div.commentbox code,.res-nightmode .link .md pre{border:1px solid #222!important;background:#282828!important;background-color:#282828!important}",
".res-nightmode div.commentbox .ulink,.res-nightmode div.commentbox .md a{color:#1496dc!important} .res-nightmode div.commentbox{background:#333!important;border-color:#666!important}",
".res-nightmode div.commentbox .md{background:#555!important;border-color:#222!important} .res-nightmode .toplink{color:#eee!important}",
".res-nightmode div.commentbox .points{color:#ddd!important} .res-nightmode div.commentbox .permalink{color:#ccc!important}",
".res-nightmode div.commentbox .md blockquote, .res-nightmode div.commentbox .md del{color:#8C8C8C!important} .res-nightmode div.commentbox hr{border-color:#777!important};}",
".res-nightmode div.commentbox hr{border-color:#777!important;}"
].join(""),
items_selector: "div.entry",
menubar_element: "<li>",
menubar_parent: $(".tabmenu"),
expando_button: ".res-show-images a",
comment_link: "a:contains(comments)"
}
},
addStyle = function () {
var style = $("<style>", {
type: "text/css",
html: design[design.active].style
});
$("head").append(style);
},
retrieveTopComments = function (toplink) {
var id = $(toplink).attr("id").replace(new RegExp("^" + helper.prefix.id), ""),
item = $("#" + helper.prefix.item + id),
comment_box = $("#" + helper.prefix.box + id),
url = "//" + document.domain + "/comments/" + id + "/.json";
if (comment_box.length === 0) {
comment_box = $("<div>", {
"class": "commentbox loading",
"id": helper.prefix.box + id
});
if (options.commentsAtTop) {
if (design.active === "new") {
if (helper.layout.active === "card") {
item.children().last().children().first().next().after(comment_box);
} else if (helper.layout.active === "classic") {
item.children().last().children().first().after(comment_box);
} else {
item.first().children().first().after(comment_box);
}
} else {
item.find(".top-matter").after(comment_box);
}
} else {
item.append(comment_box);
}
}
if (comment_box.hasClass("loading")) {
$.get(url, {
limit: options.topComments + 5, // + 5 in case we delete some pinned comments
sort: options.commentSorting
}, function (data) {
var i, newHTML = "",
comments_count = data[1].data.children.length,
threadLink = data[0].data.children[0].data.permalink,
comments_max = options.topComments < comments_count ? options.topComments : comments_count;
if (comments_count === 0) {
comment_box.remove();
} else if (comment_box !== null && comment_box.hasClass("loading")) {
comment_box.html("");
for (i = 0; i < comments_max; i += 1) {
if (options.skipCommentsFrom.indexOf(data[1].data.children[i].data.author) !== -1) {
comments_max += 1;
} else {
newHTML += (newHTML === "" ? "" : "<hr>");
newHTML += $("<a>", {
class: "ulink",
target: "_blank",
href: "/u/" + data[1].data.children[i].data.author,
html: data[1].data.children[i].data.author
})[0].outerHTML;
newHTML += $("<span>", {
class: "points",
html: "| score: " + data[1].data.children[i].data.score
})[0].outerHTML;
newHTML += $("<a>", {
class: "permalink",
target: "_blank",
href: threadLink + data[1].data.children[i].data.id,
html: "permalink"
})[0].outerHTML;
newHTML += "<br />" + $($.parseHTML(data[1].data.children[i].data.body_html)).text();
}
}
comment_box.removeClass("loading");
comment_box.html(newHTML);
}
})
.fail(function () {
var retries = 0;
if (comment_box.data("retries") !== undefined) {
retries = parseInt(comment_box.data("retries"), 10);
}
comment_box.data("retries", retries + 1);
if (retries > 5) {
comment_box.removeClass("loading");
comment_box.addClass("loaderror");
comment_box.data("retries", 0);
} else {
setTimeout(retrieveTopComments(toplink), 2000);
}
}, "json");
} else {
comment_box.remove();
}
},
addTopLinks = function (items) {
var java = "java";
if (items === undefined) {
return;
}
items.each(function () {
var id_index, comment_id, toplink,
comment_link = $(this).find(design[design.active].comment_link);
if (comment_link.length === 0) {
console.log("No link found for following Item:");
console.log(this);
return;
}
id_index = comment_link.attr("href").indexOf("/comments/");
comment_id = comment_link.attr("href").substring(id_index + 10, id_index + 16);
$(this).attr("id", helper.prefix.item + comment_id);
toplink = $("<a>", {
"class": "toplink",
"id": helper.prefix.id + comment_id,
"href": java + "script:;",
"html": options.commentSorting
}).click(function () {
retrieveTopComments(this);
});
comment_link.after(toplink);
if (GM_getValue("autoLoadComments", false)) {
retrieveTopComments(toplink);
}
});
};
$(function () {
var sidebar, loadbar, spanImages, spanComments,
sidebar_view = "hide",
buttonStatus = "disabled";
design.active = $(".scrollerItem").length > 0 ? "new" : "old";
addStyle();
if (design === "new") {
helper.findLayout();
}
addTopLinks($(design[design.active].items_selector));
// Menu button show/hide sidebar
if (!options.disableSidebarButton && document.location.pathname.indexOf("/comments/") === -1) {
if (design.active === "new") {
$('div a[href="/submit"]').last().parent().parent().parent().addClass("side");
}
if (GM_getValue("sideBarToggle", true)) {
sidebar_view = "show";
helper.toggleView(".side");
}
sidebar = $(design[design.active].menubar_element, {
html: $("<a>", {
id: "sidebarswitch",
html: sidebar_view + " sidebar"
})
}).click(function () {
GM_setValue("sideBarToggle", !GM_getValue("sideBarToggle", true));
sidebar_view = "hide";
if (GM_getValue("sideBarToggle", true)) {
sidebar_view = "show";
}
$(this).find("a").html(sidebar_view + " sidebar");
helper.toggleView(".side");
});
design[design.active].menubar_parent.append(sidebar);
} else {
GM_setValue("sideBarToggle", false);
}
// Menu button auto-load media and comments
if (!options.disableAutoloadButton && document.location.pathname.indexOf("/comments/") === -1) {
loadbar = $(design[design.active].menubar_element, {
class: "aubox topbar",
html: $("<a>", {
html: "show"
})
});
if ($("#RESConsoleVersion").length > 0) {
if (GM_getValue("autoExpandMedia", false)) {
buttonStatus = "enabled";
}
spanImages = $("<span>", {
html: $("<a>", {
href: "#",
class: buttonStatus,
html: "media"
})
}).click(function () {
GM_setValue("autoExpandMedia", !GM_getValue("autoExpandMedia", false));
location.reload();
});
loadbar.append(spanImages);
}
buttonStatus = "disabled";
if (GM_getValue("autoLoadComments", false)) {
buttonStatus = "enabled";
}
spanComments = $("<span>", {
html: $("<a>", {
href: "#",
class: buttonStatus,
html: "comments"
})
}).click(function () {
GM_setValue("autoLoadComments", !GM_getValue("autoLoadComments", false));
location.reload();
});
loadbar.append(spanComments);
design[design.active].menubar_parent.append(loadbar);
} else if (options.disableAutoloadButton) {
GM_setValue("autoExpandMedia", false);
GM_setValue("autoLoadComments", false);
}
// Get style from other menu button for new design
if (design.active === "new") {
$("#view--layout--FUE").children().each(function () {
if ($(this).text() === "View") {
this.classList.forEach(function (cl) {
if (!/.+-.+/.test(cl)) {
loadbar.addClass(cl);
sidebar.addClass(cl);
}
});
}
});
}
// Auto expand images etc
if (GM_getValue("autoExpandMedia", false)) {
if (design.active === "new") {
$(design[design.active].expando_button).click();
} else {
document.querySelector(design[design.active].expando_button).click();
}
}
// Listener for layout change
if (design.active === "new") {
$("[id^=" + helper.layout.prefix + "]").click(function () {
setTimeout(function () {
helper.findLayout();
addTopLinks($(design[design.active].items_selector));
}, 100);
});
}
// Listener for newly added items
$("body").change(function (changes) {
$.each(changes, function (i, l) {
var item = $(l.addedNodes).find(design[design.active].items_selector);
if (item.length > 0) {
addTopLinks(item);
}
});
});
// Listener for key 't' to toggle comments
if (!options.disableShortCut && $("#RESConsoleVersion").length > 0) {
$("window").keyup(function (e) {
if (e.keyCode === 84 && $(".RES-keyNav-activeElement").length > 0) { //T: keycode 84
$(".RES-keyNav-activeElement .toplink").click();
}
});
}
});
// A minimal jQuery library for reacting to innerHTML changes - https://jsfiddle.net/ecmanaut/jRbEz
$.fn.change = function (cb, e) {
e = e || {
subtree: true,
childList: true,
characterData: true
};
$(this).each(function () {
var node = this;
function callback(changes) {
cb.call(node, changes, this);
}
(new MutationObserver(callback)).observe(node, e);
});
};
}(jQuery));