ElectronMCLauncher/app/assets/js/uicore.js

/**
 * Core UI functions are initialized in this file. This prevents
 * unexpected errors from breaking the core features. Specifically,
 * actions in this file should not require the usage of any internal
 * modules, excluding dependencies.
 */
const $ = require('jquery');
const {remote, shell, webFrame} = require('electron')

// Disable zoom, needed for darwin.
webFrame.setZoomLevel(0)
webFrame.setVisualZoomLevelLimits(1, 1)
webFrame.setLayoutZoomLevelLimits(0, 0)

/* jQuery Example
$(function(){
    console.log('UICore Initialized');
})*/

document.addEventListener('readystatechange', function () {
    if (document.readyState === 'interactive'){
        console.log('UICore Initializing..');

        // Bind close button.
        Array.from(document.getElementsByClassName('fCb')).map((val) => {
            val.addEventListener('click', e => {
                const window = remote.getCurrentWindow()
                window.close()
            })
        })

        // Bind restore down button.
        Array.from(document.getElementsByClassName('fRb')).map((val) => {
            val.addEventListener('click', e => {
                const window = remote.getCurrentWindow()
                if(window.isMaximized()){
                    window.unmaximize()
                } else {
                    window.maximize()
                }
                document.activeElement.blur()
            })
        })

        // Bind minimize button.
        Array.from(document.getElementsByClassName('fMb')).map((val) => {
            val.addEventListener('click', e => {
                const window = remote.getCurrentWindow()
                window.minimize()
                document.activeElement.blur()
            })
        })

    } else if(document.readyState === 'complete'){

        //266.01
        //170.8
        //53.21
        // Bind progress bar length to length of bot wrapper
        //const targetWidth = document.getElementById("launch_content").getBoundingClientRect().width
        //const targetWidth2 = document.getElementById("server_selection").getBoundingClientRect().width
        //const targetWidth3 = document.getElementById("launch_button").getBoundingClientRect().width

        document.getElementById("launch_details").style.maxWidth = 266.01
        document.getElementById("launch_progress").style.width = 170.8
        document.getElementById("launch_details_right").style.maxWidth = 170.8
        document.getElementById("launch_progress_label").style.width = 53.21
        
    }

}, false)

/**
 * Open web links in the user's default browser.
 */
$(document).on('click', 'a[href^="http"]', function(event) {
    event.preventDefault();
    //console.log(os.homedir())
    shell.openExternal(this.href)
})

/**
 * Opens DevTools window if you hold (ctrl + shift + i).
 * This will crash the program if you are using multiple
 * DevTools, for example the chrome debugger in VS Code. 
 */
document.addEventListener('keydown', function (e) {
    if(e.keyCode == 73 && e.ctrlKey && e.shiftKey){
        let window = remote.getCurrentWindow()
        window.toggleDevTools()
    }
})