.htaccessの取り扱い（heroku, vue laravel, Mysql）

<IfModule mod_rewrite.c>
    <IfModule mod_negotiation.c>
        Options -MultiViews -Indexes
    </IfModule>

    RewriteEngine On

    # Handle Authorization Header
    RewriteCond %{HTTP:Authorization} .
    RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]

    # Redirect Trailing Slashes If Not A Folder...
    # RewriteCond %{REQUEST_FILENAME} !-d
    # RewriteCond %{REQUEST_URI} (.+)/$
    # RewriteRule ^ %1 [L,R=301]
    
    # Add Trailing Slash If Not A File...
    RewriteCond %{REQUEST_FILENAME} !-f
    RewriteCond %{REQUEST_URI} (.+[^/])$
    RewriteRule ^ %1/ [L,R=301]

    # Handle Front Controller...
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteCond %{REQUEST_FILENAME} !-f

    # index.php非表示
    # RewriteCond %{THE_REQUEST} ^.*/index.php
    # RewriteRule ^(.*)index.php$ https://%{HTTP_HOST}/$1 [L,R=301]
    RewriteRule ^ index.php [L]

    # https
    RewriteCond %{HTTP:X-Forwarded-Proto} =http [OR]
    RewriteCond %{HTTP:X-Forwarded-Proto} =""
    RewriteCond %{HTTPS} !=on
    RewriteRule ^ https://%{HTTP_HOST}%{REQUEST_URI} [L,R=301]
    
</IfModule>

.htaccess
    RewriteCond %{REQUEST_FILENAME} !-d
    RewriteCond %{REQUEST_FILENAME} !-f
    # RewriteRule ^ index.php [L]　// 削除
    RewriteRule (.*) index.php/$1　// 追加
    # RewriteRule (.*)$ index.php?pathinfo=$1&%{QUERY_STRING} //RewriteRule (.*) index.php/$1で出来ない場合こちらを使用

    # index.php非表示　^(.*) = $1  ?(.*) = $2である
    RewriteCond %{THE_REQUEST} ^.*/index.php
    RewriteRule ^(.*)index.php/?(.*)$ https://%{HTTP_HOST}/$1/$2 [L,R=301]

protected $middleware = [
    ....

    \App\Http\Middleware\Normalize::class, // <= 追記
    ];

.htaccess 
~~~
//"この箇所をコメント化"
   # Add Trailing Slash If Not A File...
    # RewriteCond %{REQUEST_FILENAME} !-f
    # RewriteCond %{REQUEST_URI} (.+[^/])$
    # RewriteRule ^ %1/ [L,R=301]
~~~

Normalize.php
//"この箇所をコメント化"
        // パス末尾に / を追加
        // if ($basename !== '' && mb_strpos($basename, '.') === false) {
        //     $dirname .= $basename . '/';
        //     $basename = '';
        // }