vue_spa_hotreload.php

// https://medium.com/@romualdasromasdakeviius/using-vue-cli-to-build-wordpress-plugin-including-hmr-1a71dfdf05c2
// https://medium.com/@devs_group/wordpress-vue-js-with-webpack-and-hot-reload-7c4faea9d0d9

function is_develop_serve()
{
   $connection = @fsockopen('localhost', '8080');
   return $connection ? true : false;
}


function cwp_scripts() {

	if(is_develop_serve()){
		wp_enqueue_style('cwp-style_dev', 'http://localhost:8080/css/app.css', [], null, 'all');
		wp_enqueue_script( 'cwp-app_dev', 'http://localhost:8080/js/app.js', [], null, false );
	} else {
		// TODO: Add file hashing
		wp_enqueue_style('cwp-style', get_asset('css/app.css'), [], null, 'all');
		wp_enqueue_script( 'cwp-libs', get_asset('js/chunk-vendors.js'), [], null, true );
		wp_enqueue_script( 'cwp-app', get_asset('js/app.js'), ['cwp-libs'], null, true );
	}
}
add_action( 'wp_enqueue_scripts', 'cwp_scripts' );