[ELECTRON] Menu-contexto com opções de copiar, colar e cortar em inputs e divs

electron_context_menu.js

(function () {
    'use strict';

    const remote = require('electron').remote;
    const Menu = remote.Menu;
    const MenuItem = remote.MenuItem;

    const isAnyTextSelected = function () {
        return window.getSelection().toString() !== '';
    };

    const cut = new MenuItem({
        label: 'Cortar',
        click: function () {
            document.execCommand("cut");
        }
    });

    const copy = new MenuItem({
        label: 'Copiar',
        click: function () {
            document.execCommand("copy");
        }
    });

    const paste = new MenuItem({
        label: 'Colar',
        click: function () {
            document.execCommand("paste");
        }
    });

    const normalMenu = new Menu();
    normalMenu.append(copy);

    const textEditingMenu = new Menu();
    textEditingMenu.append(cut);
    textEditingMenu.append(copy);
    textEditingMenu.append(paste);

    document.addEventListener('contextmenu', function (e) {
        switch (e.target.nodeName) {
            case 'TEXTAREA':
            case 'INPUT':
                e.preventDefault();
                textEditingMenu.popup(remote.getCurrentWindow());
                break;
						case 'DIV':
                e.preventDefault();
                textEditingMenu.popup(remote.getCurrentWindow());
                break;
            default:
                if (isAnyTextSelected()) {
                    e.preventDefault();
                    normalMenu.popup(remote.getCurrentWindow());
                }
        }
    }, false);

}());