init

composer.json

+{
+    "name": "spg/test-1",
+    "description": "A Laravel package for test-1.",
+    "type": "library",
+    "keywords": ["laravel", "package"],
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "Ali Kazemi",
+            "email": "ali.kazemi@synyo.com"
+        }
+    ],
+    "require": {
+        "php": "^7.2",
+        "laravel/framework": "^7.0"
+    },
+    "autoload": {
+        "psr-4": {
+            "Spg\\Test1\\": "src/"
+        }
+    },
+    "minimum-stability": "dev",
+    "prefer-stable": true
+}

src/Console/Test1Command.php

+<?php
+
+
+namespace Spg\Test1\Console;
+
+use Illuminate\Console\Command;
+
+class Test1Command extends Command
+{
+    protected $signature = 'test1';
+    protected $description = 'Prints "Hello World" from the test-1 package';
+
+    public function handle()
+    {
+        $this->info('Hello World from the test-1 package!');
+    }
+}

src/Test1ServiceProvider.php

+<?php
+
+
+use Illuminate\Support\ServiceProvider;
+use Spg\Test1\Console\Test1Command;
+
+class Test1ServiceProvider extends ServiceProvider
+{
+    public function boot()
+    {
+        $this->commands([
+            Test1Command::class,
+        ]);
+    }
+}