Place this file into your Laravel Valet's Drivers directory to work with Thelia installation without any additionnal project configuration

TheliaValetDriver.php

<?php

class TheliaValetDriver extends ValetDriver
{
    /**
     * 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.'/Thelia')) {
             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 . '/web/' . $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, $uri)
    {
        if (substr($uri, 0, 14) === '/index_dev.php') {
            /**
             * Valet runs from a specific PHP file called "server.php"
             * This resets the $_SERVER environement variables to what they should be
             * Only needed on dev mode
             */
            $_SERVER['DOCUMENT_URI'] =
            $_SERVER['SCRIPT_FILENAME'] =
            $_SERVER['SCRIPT_NAME'] =
            $_SERVER['PHP_SELF'] = '/index_dev.php';

            return $sitePath . '/web/index_dev.php';
        }

        return $sitePath . '/web/index.php';
    }
}