Valet Driver for Vue SPA application. Place it in your root directory.

VueValetDriver.php

<?php

class VueValetDriver extends ValetDriver
{
    static $publicPath = 'public';
    static $startFile = 'public/index.html';

    /**
     * Determine if the driver serves the request.
     *
     * @param  string $sitePath
     * @param  string $siteName
     * @param  string $uri
     * @return bool
     */
    public function serves($sitePath, $siteName, $uri)
    {
        if (file_exists($sitePath . '/' . static::$startFile)) {
            return true;
        }

        return false;
    }

    /**
     * Determine if the incoming request is for a static file.
     *
     * @param  string $sitePath
     * @param  string $siteName
     * @param  string $uri
     * @return string|false
     */
    public function isStaticFile($sitePath, $siteName, $uri)
    {
        if (file_exists($staticFilePath = $sitePath . '/' . static::$publicPath . '/' . $uri)) {
            return $staticFilePath;
        }
        return false;
    }

    /**
     * Get the fully resolved path to the application's front controller.
     *
     * @param  string $sitePath
     * @param  string $siteName
     * @param  string $uri
     * @return string
     */
    public function frontControllerPath($sitePath, $siteName, $uri)
    {
        return $sitePath . '/' . static::$startFile;
    }
}