Deactivate all users in Slack

slack_deactivate_all_users.js

// ==UserScript==
// @name         Deactivate Users
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Deactivate all users
// @author       Manuel Geier
// @match        https://INSTANCE.slack.com/admin
// @grant        none

// ==/UserScript==

// X@require      http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js

(function() {
    'use strict';

    setTimeout(function() {
        var i = 0;

        var btn = document.createElement("button");
        btn.className = "c-button c-button-outline c-button--outline -button--medium p-admin_table-wrapper__invite_btn null--primary null--medium"
        btn.innerHTML = "Deactivate all"
        btn.id = "btnDeactivateAll"
        btn.onclick = function deactivateFirst() {

            console.log("Try to deactivate the first user ("+(i++)+")")

            function removeFristAndNext() {
                $(".c-virtual_list__item").first().remove()
                setTimeout(function() {
                    $("#btnDeactivateAll").click() // create event to trigger render process
                }, 500);
            }

            var entries = $(".c-virtual_list__item")

            if(entries.length > 0) {
                entries.first().each(function() {
                    var actionMenuBtn = $(this).find(".p-admin_member_table__menu_button")

                    if(actionMenuBtn.prop('disabled')) {
                        // it's disabled for Primary Owner
                        removeFristAndNext()
                    } else {
                        // open menu
                        actionMenuBtn.click()

                        setTimeout(function() {
                            var deactivateBtn = $(".ReactModal__Overlay").find("button:contains('Deactivate account')")

                            if(deactivateBtn.length > 0) {
                                // open deactivate dialog
                                deactivateBtn.click()

                                setTimeout(function() {
                                    // deactivate
                                    $(".ReactModal__Overlay").find("button:contains('Deactivate')").click()

                                    setTimeout(removeFristAndNext, 500)
                                }, 500)
                            } else {
                                // can't deactivate my own account (Workspace Admin)
                                actionMenuBtn.click() // close dialog
                                removeFristAndNext()
                            }
                        }, 500)
                    }
                })
            } else {
                // wait to load more
                setTimeout(deactivateFirst, 2000);
            }
        }

        $(".p-admin_table-wrapper__header").append(btn);
    }, 3000)
})();