spatie#99 Add php-cs-fixer config from spatie/package-skeleton-php

.github/workflows/php-cs-fixer.yml

@@ -0,0 +1,27 @@
+name: Check & fix styling
+
+on:
+  push:
+    paths:
+      - '**.php'
+      - '.composer.lock'
+      - '.php_cs'
+      - '.github/workflows/php-cs-fixer.yml'
+
+jobs:
+  style:
+    runs-on: ubuntu-latest
+
+    steps:
+      -   name: Checkout code
+          uses: actions/checkout@v2
+
+      -   name: Fix style
+          uses: docker://oskarstark/php-cs-fixer-ga
+          with:
+            args: --config=.php_cs --allow-risky=yes
+
+      -   name: Commit changes
+          uses: stefanzweifel/git-auto-commit-action@v4
+          with:
+            commit_message: Fix styling

.php_cs

@@ -0,0 +1,34 @@
+<?php
+
+$finder = Symfony\Component\Finder\Finder::create()
+    ->in([
+        __DIR__ . '/src',
+        __DIR__ . '/tests',
+    ])
+    ->name('*.php')
+    ->notName('*.blade.php')
+    ->ignoreDotFiles(true)
+    ->ignoreVCS(true);
+
+return PhpCsFixer\Config::create()
+    ->setRules([
+        '@PSR2' => true,
+        'array_syntax' => ['syntax' => 'short'],
+        'ordered_imports' => ['sortAlgorithm' => 'alpha'],
+        'no_unused_imports' => true,
+        'not_operator_with_successor_space' => true,
+        'trailing_comma_in_multiline_array' => true,
+        'phpdoc_scalar' => true,
+        'unary_operator_spaces' => true,
+        'binary_operator_spaces' => true,
+        'blank_line_before_statement' => [
+            'statements' => ['break', 'continue', 'declare', 'return', 'throw', 'try'],
+        ],
+        'phpdoc_single_line_var_spacing' => true,
+        'phpdoc_var_without_name' => true,
+        'method_argument_space' => [
+            'on_multiline' => 'ensure_fully_multiline',
+            'keep_multiple_spaces_after_comma' => true,
+        ]
+    ])
+    ->setFinder($finder);

composer.json

@@ -19,6 +19,7 @@
         "php": "^7.2 || ^8.0"
     },
     "require-dev": {
+        "friendsofphp/php-cs-fixer": "^2.16",
         "phpunit/phpunit": "^8.5 || ^9.0",
         "spatie/phpunit-snapshot-assertions": "^4.2",
         "vimeo/psalm": "^3.14"
@@ -34,6 +35,7 @@
         }
     },
     "scripts": {
+        "format": "vendor/bin/php-cs-fixer fix --allow-risky=yes",
         "psalm": "vendor/bin/psalm",
         "test": "vendor/bin/phpunit",
         "test:update-snapshots": "vendor/bin/phpunit -d --update-snapshots"