Enable Paste & Match Style in Confluence editor

happy-paste-in-confluene.user.js

// ==UserScript==
// @name         Happy paste in Confluence
// @namespace    https://gist.github.com/silvers/
// @version      0.2
// @description  Enable Paste Without Formatting in Confluence editor
// @author       silvers
// @include      */editpage.action?*
// @include      */createpage.action?*
// @run-at        document-idle
// @grant        none
// ==/UserScript==

(() => {
    let editor = document.querySelector("#wysiwygTextarea_ifr").contentDocument.querySelector("#tinymce");
    editor.addEventListener("focus", () => {
        if (tinyMCE && tinyMCE.activeEditor) {
            tinyMCE.activeEditor.shortcuts.remove('meta+shift+v', '', '');
        }
    });
})();