Figma Linux Middle-Click Fix

figma.js

// ==UserScript==
// @name         Figma Linux Middle-Click Fix
// @namespace    http://tampermonkey.net
// @version      1.0
// @match        https://www.figma.com/*
// @run-at       document-start
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    window.addEventListener('mousedown', function(e) {
        if (e.button === 1) { // Middle mouse button
            // Prevent middle click paste / default behavior if dragging canvas
            e.preventDefault();
        }
    }, true);
    
    window.addEventListener('auxclick', function(e) {
        if (e.button === 1) {
            e.stopPropagation();
        }
    }, true);
})();