sufficient_velocity_user_filter.user.js

// ==UserScript==
// @name         Sufficient Velocity User Filter
// @version      1.0
// @description  Restyle the page and allow selective ignore of specific threads
// @author       Veedrac
// @match        https://forums.sufficientvelocity.com/*
// @exclude      https://forums.sufficientvelocity.com/watched/threads
// @run-at document-start
// @grant        none
// ==/UserScript==
/* jshint esnext: true */

(function() {
    "use strict";

    var rules = "";
    var rule = (x, y) => rules += x + " { " + y +  " !important; }\n";
    rule(".message .messageContent", "min-height: 0");
    rule(".message .messageInfo", "border: none");
    rule(".InlineModForm.section", "max-width: 920px");
    rule(".message .messageInfo", "box-shadow: none");
    rule(".mainContent", "border: none");
    rule(".messageUserInfo", "width: 114px");
    rule(".messageUserInfo", "padding-top: 10px");
    rule(".messageUserInfo", "padding-left: 9px");
    rule(".messageUserBlock", "border: none");
    rule(".messageUserBlock", "box-shadow: none");
    rule(".avatarHolder", "background: none");
    rule(".avatarHolder", "padding: 0");
    rule(".arrow", "display: none");
    rule(".messageInfo.primaryContent", "margin-left: 132px");
    rule(".Preview.blendedEditor", "margin-left: 0");
    rule(".Preview.blendedEditor", "border: none");
    rule(".Preview.blendedEditor", "box-shadow: none");
    rule(".tagList .tag .truncate", "max-width: none");

    var beauty = document.createElement('style');
    document.head.appendChild(beauty);
    beauty.appendChild(document.createTextNode(rules));
})();

window.onload = function () {
    "use strict";

    var style = document.createElement('style');
    document.head.appendChild(style);
    style.sheet.insertRule(".sufficientvelocity-ignore-hidden .sufficientvelocity-ignore-button { display: none; }", 0);
    style.sheet.insertRule(".discussionListItem:not(.sufficientvelocity-ignore-hidden) .sufficientvelocity-reveal-button { display: none; }", 0);
    style.sheet.insertRule(".sufficientvelocity-ignore-hidden { display: none; }", 0);

    var form = document.querySelector(".DiscussionListOptions");
    if (!form) {
        return;
    }

    var threads = document.querySelectorAll(".discussionListItem");

    var reset_button = document.createElement("input");
    reset_button.setAttribute("type", "reset");
    reset_button.setAttribute("class", "button");
    reset_button.setAttribute("value", "Reset Ignore List");

    reset_button.onclick = function(event) {
        localStorage["sufficientvelocity-ignore-base"] |= 0;
        localStorage["sufficientvelocity-ignore-base"]++;
        threads.forEach(function(thread) {
            thread.classList.remove("sufficientvelocity-ignore-hidden");
        });
        return false;
    };
    form.querySelector('.buttonGroup').appendChild(reset_button);

    var reveal_button = document.createElement("input");
    reveal_button.setAttribute("type", "reset");
    reveal_button.setAttribute("class", "button");
    reveal_button.setAttribute("value", "Reveal Ignored");

    reveal_button.onclick = function(event) {
        style.sheet.removeRule(0);
        style.sheet.insertRule(".sufficientvelocity-ignore-hidden { opacity: 0.5; }", 0);
        return false;
    };
    form.querySelector('.buttonGroup').appendChild(reveal_button);

    threads.forEach(function(thread) {
        var ignore_button = document.createElement("input");
        ignore_button.setAttribute("type", "reset");
        ignore_button.setAttribute("class", "button sufficientvelocity-ignore-button");
        ignore_button.setAttribute("value", "ignore");

        ignore_button.onclick = function(event) {
            localStorage["deworm-ignore-" + thread.id] = localStorage["sufficientvelocity-ignore-base"];
            thread.classList.add("sufficientvelocity-ignore-hidden");
            return false;
        };
        thread.querySelector(".title").appendChild(ignore_button);

        var reveal_button = document.createElement("input");
        reveal_button.setAttribute("type", "reset");
        reveal_button.setAttribute("class", "button sufficientvelocity-reveal-button");
        reveal_button.setAttribute("value", "reveal");

        reveal_button.onclick = function(event) {
            delete localStorage["deworm-ignore-" + thread.id];
            thread.classList.remove("sufficientvelocity-ignore-hidden");
            return false;
        };
        thread.querySelector(".title").appendChild(reveal_button);

        if (localStorage["deworm-ignore-" + thread.id] == localStorage["sufficientvelocity-ignore-base"]) {
            thread.classList.add("sufficientvelocity-ignore-hidden");
        }
    });
};