Specifying map for morph relationships which enables short/human-friendly model names in DB

MorphMapServiceProvider.php

<?php

namespace App\Providers;

use Illuminate\Database\Eloquent\Relations\Relation;
use Illuminate\Support\Facades\Schema;
use Illuminate\Support\ServiceProvider;

class MorphMapServiceProvider extends ServiceProvider
{
    public function boot()
    {
        // limit a length of varchar columns
        // Schema::defaultStringLength(191);
        
        // don't forget to register the service provider in config/app.php
        // it can also be put to AppServiceProvider

        Relation::morphMap([
            'foo' => \App\Models\Foo::class,
            'bar' => \App\Models\Bar::class,
            // ...
            'cat' => \App\Models\Cat::class,
            'dog' => \App\Models\Dog::class
        ]);
    }
}