Added generic type documentation; Added static analysis with phpstan

.github/workflows/static-analysis.yml

@@ -0,0 +1,42 @@
+name: Static Analysis
+
+on: [ push ]
+
+jobs:
+  PHPUnit:
+    strategy:
+      matrix:
+        include:
+          # Laravel 10.*
+          -   php: 8.1
+              laravel: 10.*
+              composer-flag: '--prefer-stable'
+          -   php: 8.2
+              laravel: 10.*
+              composer-flag: '--prefer-stable'
+          -   php: 8.1
+              laravel: 10.*
+              composer-flag: '--prefer-lowest'
+          -   php: 8.2
+              laravel: 10.*
+              composer-flag: '--prefer-lowest'
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          extensions: curl, mbstring, zip, pcntl, pdo, sqlite, pdo_sqlite, iconv
+
+      - name: Install dependencies
+        run: composer require "laravel/framework:${{ matrix.laravel }}" --no-interaction --no-update
+
+      - name: Update dependencies
+        run: composer update ${{ matrix.composer-flag }} --prefer-dist --no-interaction
+
+      - name: Run PhpStan
+        run: composer analyse

composer.json

@@ -16,8 +16,10 @@
     "illuminate/database": "^10"
   },
   "require-dev": {
-    "phpunit/phpunit": "^10",
     "friendsofphp/php-cs-fixer": "^3",
+    "nunomaduro/larastan": "^2.0",
+    "orchestra/testbench": "^8.9",
+    "phpunit/phpunit": "^10",
     "squizlabs/php_codesniffer": "^3.5"
   },
   "autoload": {
@@ -31,10 +33,13 @@
     }
   },
   "scripts": {
-    "test": "vendor/bin/phpunit",
-    "test-coverage": "vendor/bin/phpunit --coverage-html coverage",
-    "fix": "./vendor/bin/php-cs-fixer fix",
-    "lint": "./vendor/bin/phpcs --error-severity=1 --warning-severity=8 --extensions=php"
+    "test": "@php vendor/bin/phpunit",
+    "test-coverage": "@php vendor/bin/phpunit --coverage-html coverage",
+    "fix": "@php ./vendor/bin/php-cs-fixer fix",
+    "lint": "@php ./vendor/bin/phpcs --error-severity=1 --warning-severity=8 --extensions=php",
+    "analyse": [
+      "@php ./vendor/bin/phpstan analyse --memory-limit=2G"
+    ]
   },
   "config": {
     "sort-packages": true

phpstan.neon

@@ -0,0 +1,11 @@
+includes:
+    - ./vendor/nunomaduro/larastan/extension.neon
+
+parameters:
+
+    paths:
+        - src
+        - tests
+
+    # Level 9 is the highest level
+    level: 5

src/HasManyMerged.php

@@ -9,6 +9,10 @@
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\Relation;
 
+/**
+ * @template TRelatedModel of Model
+ * @extends Relation<TRelatedModel>
+ */
 class HasManyMerged extends Relation
 {
     /**
@@ -28,7 +32,7 @@ class HasManyMerged extends Relation
     /**
      * Create a new has one or many relationship instance.
      *
-     * @param  Builder  $query
+     * @param  Builder<TRelatedModel>  $query
      * @param  Model  $parent
      * @param  array  $foreignKeys
      * @param  string  $localKey
@@ -241,7 +245,7 @@ public function getQualifiedForeignKeyNames(): array
     /**
      * Get the results of the relationship.
      *
-     * @return mixed
+     * @phpstan-return \Traversable<int, TRelatedModel>
      */
     public function getResults()
     {

tests/Models/Message.php

@@ -8,6 +8,9 @@
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Korridor\LaravelHasManyMerged\HasManyMergedRelation;
 
+/**
+ * @property int $id
+ */
 class Message extends Model
 {
     use HasManyMergedRelation;
@@ -26,15 +29,15 @@ class Message extends Model
     ];
 
     /**
-     * @return BelongsTo<User>
+     * @return BelongsTo<User, Message>
      */
     public function sender(): BelongsTo
     {
         return $this->belongsTo(User::class, 'sender_user_id');
     }
 
     /**
-     * @return BelongsTo<User>
+     * @return BelongsTo<User, Message>
      */
     public function receiver(): BelongsTo
     {

tests/Models/User.php

@@ -9,6 +9,12 @@
 use Korridor\LaravelHasManyMerged\HasManyMerged;
 use Korridor\LaravelHasManyMerged\HasManyMergedRelation;
 
+/**
+ * @property int $id
+ * @property int $other_unique_id
+ * @property string $name
+ * @property int $messages_sum_content_integer
+ */
 class User extends Model
 {
     use HasManyMergedRelation;