Tampermonkey script for fast BibTeX export in Paperpile app

pp_export.js

// ==UserScript==
// @name         Paperpile BibTeX export button
// @version      0.1
// @author       Jared Lumpe
// @match        http*://paperpile.com/app
// @grant        unsafeWindow
// ==/UserScript==

(function() {
    'use strict';

    function exportBibtex()
    {
        console.log('Triggering hacky PP export');
        unsafeWindow.Ext.create("Paperpile.view.settings.ExportView", {format: "BibTeX"}).triggerExport();
    }

    function injectButton()
    {
        var toolbarSpace = document.querySelector('.pp-top-toolbar [id^="tbfill"]');

        if (toolbarSpace == undefined)
        {
            console.error("Couldn't find element to insert export button");
            return;
        }

        var btnContainer = document.createElement('DIV');
        btnContainer.style.cssText = 'float: right; transform: translate(0, -50%);';

        var btn = document.createElement('BUTTON')
        btn.innerHTML = 'Export BibTeX';
        btn.onclick = exportBibtex;

        btnContainer.appendChild(btn);
        toolbarSpace.appendChild(btnContainer);

        return btn;
    }

    window.onload = function() {
        setTimeout(function() {
            console.log('Injecting PP export button');
            injectButton();
        },
        2000);
    };
})();