samesite.php

// in your .env file, split APP_URL to extract protocol and hostname

APP_PROTOCOL=https
APP_HOSTNAME=myapp.test  
APP_URL="${APP_PROTOCOL}://${APP_HOSTNAME}"
  
// install dotenv

npm install dotenv

// load it in your webpack.mix.js  
  
require('dotenv').config()

// configure the LiveReload plugin to use the protocol && hostname you have on your .env file
  
new LiveReloadPlugin({
    protocol: process.env.APP_PROTOCOL
    hostname: process.env.APP_HOST
}),
  
// Change your template to use app.url instead

@if(app()->environment() === 'local')
    <script src="{{ config('app.url') }}:35729/livereload.js"></script>
@endif