You can use this .htaccess snippet to disable direct access to blade files.
# BEGIN Disable Access to Blade
<FilesMatch ".+\.(blade\.php)$">
<IfModule mod_authz_core.c>
# Apache 2.4
Require all denied
</IfModule>
<IfModule !mod_authz_core.c>
# Apache 2.2
Order deny,allow
Deny from all
</IfModule>
</FilesMatch>
# END Disable Access to Blade