Livewire set and first rule for QueryString to Url attributes (#222)

* Working

* Rector and Lint Fixes

* Configure package sets

* Grammar fix

* Docs generated

* Fixes some typos

* Handles keys

* linting

* Upgrade Rector

* Working

* Clean up

* Adds an additional rule to the Livewire30 config

---------

Co-authored-by: Geni Jaho <jahogeni@gmail.com>

README.md

@@ -10,6 +10,8 @@ See available [Laravel rules](/docs/rector_rules_overview.md)
 
 This package is a [Rector](https://github.com/rectorphp/rector) extension developed by the Laravel community.
 
+Rules for additional first party packages are included as well e.g. Cashier and Livewire.
+
 Install the `RectorLaravel` package as dependency:
 
 ```bash

composer.json

@@ -5,7 +5,7 @@
     "description": "Rector upgrades rules for Laravel Framework",
     "require": {
         "php": ">=8.2",
-        "rector/rector": "^1.0"
+        "rector/rector": "^1.2"
     },
     "require-dev": {
         "nikic/php-parser": "^4.18",

config/sets/packages/livewire/level/up-to-livewire-30.php

@@ -0,0 +1,10 @@
+<?php
+
+declare(strict_types=1);
+
+use Rector\Config\RectorConfig;
+use RectorLaravel\Set\Packages\Livewire\LivewireSetList;
+
+return static function (RectorConfig $rectorConfig): void {
+    $rectorConfig->sets([LivewireSetList::LIVEWIRE_30]);
+};

config/sets/packages/livewire/livewire-30.php

@@ -0,0 +1,18 @@
+<?php
+
+declare(strict_types=1);
+
+use Rector\Config\RectorConfig;
+use Rector\Renaming\Rector\Class_\RenameAttributeRector;
+use Rector\Renaming\ValueObject\RenameAttribute;
+use RectorLaravel\Rector\Class_\LivewireComponentQueryStringToUrlAttributeRector;
+
+return static function (RectorConfig $rectorConfig): void {
+    $rectorConfig->import(__DIR__ . '/../../../config.php');
+
+    $rectorConfig->rule(LivewireComponentQueryStringToUrlAttributeRector::class);
+
+    $rectorConfig->ruleWithConfiguration(RenameAttributeRector::class, [
+        new RenameAttribute('Livewire\Attributes\Rule', 'Livewire\Attributes\Validate'),
+    ]);
+};

docs/rector_rules_overview.md

@@ -1,4 +1,4 @@
-# 61 Rules Overview
+# 62 Rules Overview
 
 ## AbortIfRector
 
@@ -675,6 +675,32 @@ Change method calls from `$this->json` to `$this->postJson,` `$this->putJson,` e
 
 <br>
 
+## LivewireComponentQueryStringToUrlAttributeRector
+
+Converts the `$queryString` property of a Livewire component to use the Url Attribute
+
+- class: [`RectorLaravel\Rector\Class_\LivewireComponentQueryStringToUrlAttributeRector`](../src/Rector/Class_/LivewireComponentQueryStringToUrlAttributeRector.php)
+
+```diff
+ use Livewire\Component;
+
+ class MyComponent extends Component
+ {
++    #[\Livewire\Attributes\Url]
+     public string $something = '';
+
++    #[\Livewire\Attributes\Url]
+     public string $another = '';
+-
+-    protected $queryString = [
+-        'something',
+-        'another',
+-    ];
+ }
+```
+
+<br>
+
 ## LumenRoutesStringActionToUsesArrayRector
 
 Changes action in rule definitions from string to array notation.

src/Rector/Class_/LivewireComponentQueryStringToUrlAttributeRector.php

@@ -0,0 +1,230 @@
+<?php
+
+namespace RectorLaravel\Rector\Class_;
+
+use PhpParser\Node;
+use PhpParser\Node\Arg;
+use PhpParser\Node\Attribute;
+use PhpParser\Node\AttributeGroup;
+use PhpParser\Node\Expr\Array_;
+use PhpParser\Node\Expr\ArrayItem;
+use PhpParser\Node\Identifier;
+use PhpParser\Node\Name\FullyQualified;
+use PhpParser\Node\Scalar;
+use PhpParser\Node\Scalar\String_;
+use PhpParser\Node\Stmt\Class_;
+use PhpParser\Node\Stmt\Property;
+use PHPStan\Type\ObjectType;
+use Rector\Php80\NodeAnalyzer\PhpAttributeAnalyzer;
+use Rector\Rector\AbstractRector;
+use Symplify\RuleDocGenerator\ValueObject\CodeSample\CodeSample;
+use Symplify\RuleDocGenerator\ValueObject\RuleDefinition;
+
+/**
+ * @see RectorLaravel\Tests\Rector\Class_\LivewireComponentQueryStringToUrlAttributeRector\LivewireComponentQueryStringToUrlAttributeRectorTest
+ */
+final class LivewireComponentQueryStringToUrlAttributeRector extends AbstractRector
+{
+    private const URL_ATTRIBUTE = 'Livewire\Attributes\Url';
+
+    private const COMPONENT_CLASS = 'Livewire\Component';
+
+    private const QUERY_STRING_PROPERTY_NAME = 'queryString';
+
+    public function __construct(private readonly PhpAttributeAnalyzer $phpAttributeAnalyzer)
+    {
+
+    }
+
+    public function getRuleDefinition(): RuleDefinition
+    {
+        return new RuleDefinition(
+            'Converts the $queryString property of a Livewire component to use the Url Attribute',
+            [
+                new CodeSample(<<<'CODE_SAMPLE'
+use Livewire\Component;
+
+class MyComponent extends Component
+{
+    public string $something = '';
+
+    public string $another = '';
+
+    protected $queryString = [
+        'something',
+        'another',
+    ];
+}
+CODE_SAMPLE,
+                    <<<'CODE_SAMPLE'
+use Livewire\Component;
+
+class MyComponent extends Component
+{
+    #[\Livewire\Attributes\Url]
+    public string $something = '';
+
+    #[\Livewire\Attributes\Url]
+    public string $another = '';
+}
+CODE_SAMPLE
+                ),
+            ]
+        );
+    }
+
+    public function getNodeTypes(): array
+    {
+        return [Class_::class];
+    }
+
+    /**
+     * @param  Class_  $node
+     */
+    public function refactor(Node $node): ?Class_
+    {
+        if (! $this->isObjectType($node, new ObjectType(self::COMPONENT_CLASS))) {
+            return null;
+        }
+
+        $queryStringProperty = null;
+
+        foreach ($node->stmts as $stmt) {
+            if ($stmt instanceof Property && $this->isName($stmt, self::QUERY_STRING_PROPERTY_NAME)) {
+                $queryStringProperty = $stmt;
+            }
+        }
+
+        if (! $queryStringProperty instanceof Property) {
+            return null;
+        }
+
+        // find the properties and add the attribute
+        $urlPropertyNames = $this->findQueryStringProperties($queryStringProperty);
+
+        if ($urlPropertyNames === []) {
+            return null;
+        }
+
+        $propertyNodes = [];
+
+        foreach ($node->stmts as $stmt) {
+            if ($stmt instanceof Property && $this->isNames($stmt, array_keys((array) $urlPropertyNames))) {
+                $propertyNodes[] = $stmt;
+            }
+        }
+
+        foreach ($propertyNodes as $propertyNode) {
+            $args = $urlPropertyNames[$this->getName($propertyNode)] ?? [];
+            $this->addUrlAttributeToProperty($propertyNode, $args);
+        }
+
+        // remove the query string property if now empty
+        $this->attemptQueryStringRemoval($node, $queryStringProperty);
+
+        return $node;
+    }
+
+    /**
+     * @return array<string, Node\Arg[]>|null
+     */
+    private function findQueryStringProperties(Property $property): ?array
+    {
+        if ($property->props === []) {
+            return null;
+        }
+
+        $array = $property->props[0]->default;
+
+        if (! $array instanceof Array_ || $array->items === []) {
+            return null;
+        }
+
+        $properties = [];
+        $toFilter = [];
+
+        foreach ($array->items as $item) {
+            if ($item === null) {
+                continue;
+            }
+
+            if ($item->key instanceof String_ && $item->value instanceof Array_) {
+                $args = $this->processArrayOptionsIntoArgs($item->value);
+
+                if ($args === null) {
+                    continue;
+                }
+
+                $properties[$item->key->value] = $args;
+                $toFilter[] = $item;
+
+                continue;
+            }
+
+            if ($item->value instanceof String_) {
+                $properties[$item->value->value] = [];
+                $toFilter[] = $item;
+            }
+        }
+
+        if ($properties === []) {
+            return null;
+        }
+
+        // we remove the array properties which will be converted
+        $array->items = array_filter(
+            $array->items,
+            fn (?ArrayItem $arrayItem): bool => ! in_array($arrayItem, $toFilter, true),
+        );
+
+        return $properties;
+    }
+
+    /**
+     * @param  Node\Arg[]  $args
+     */
+    private function addUrlAttributeToProperty(Property $property, array $args): void
+    {
+        if ($this->phpAttributeAnalyzer->hasPhpAttribute($property, self::URL_ATTRIBUTE)) {
+            return;
+        }
+
+        $property->attrGroups[] = new AttributeGroup([
+            new Attribute(
+                new FullyQualified(self::URL_ATTRIBUTE), args: $args
+            ),
+        ]);
+    }
+
+    /**
+     * @return Node\Arg[]|null
+     */
+    private function processArrayOptionsIntoArgs(Array_ $array): ?array
+    {
+        $args = [];
+
+        foreach ($array->items as $item) {
+            if ($item === null) {
+                continue;
+            }
+            if ($item->key instanceof String_ && $item->value instanceof Scalar && in_array($item->key->value, ['except', 'as'], true)) {
+                $args[] = new Arg($item->value, name: new Identifier($item->key->value));
+            }
+        }
+
+        if (count($args) !== count($array->items)) {
+            return null;
+        }
+
+        return $args;
+    }
+
+    private function attemptQueryStringRemoval(Class_ $class, Property $property): void
+    {
+        $array = $property->props[0]->default;
+
+        if ($array instanceof Array_ && $array->items === []) {
+            $class->stmts = array_filter($class->stmts, fn (Node $node) => $node !== $property);
+        }
+    }
+}

src/Set/Packages/Livewire/LivewireLevelSetList.php

@@ -0,0 +1,15 @@
+<?php
+
+declare(strict_types=1);
+
+namespace RectorLaravel\Set\Packages\Livewire;
+
+use Rector\Set\Contract\SetListInterface;
+
+final class LivewireLevelSetList implements SetListInterface
+{
+    /**
+     * @var string
+     */
+    final public const UP_TO_LIVEWIRE = __DIR__ . '/../../../../config/sets/packages/livewire/level/up-to-livewire-30.php';
+}

src/Set/Packages/Livewire/LivewireSetList.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace RectorLaravel\Set\Packages\Livewire;
+
+final class LivewireSetList
+{
+    /**
+     * @var string
+     */
+    final public const LIVEWIRE_30 = __DIR__ . '/../../../../config/sets/packages/livewire/livewire-30.php';
+}

stubs/Livewire/Component.php

@@ -0,0 +1,11 @@
+<?php
+
+namespace Livewire;
+
+if (class_exists('Livewire\Component')) {
+    return;
+}
+
+class Component
+{
+}

tests/Rector/Class_/LivewireComponentQueryStringToUrlAttributeRector/Fixture/does_not_double_apply_attribute.php.inc

@@ -0,0 +1,37 @@
+<?php
+
+namespace RectorLaravel\Tests\Rector\Class_\LivewireComponentQueryStringToUrlAttributeRector\Fixture;
+
+use Livewire\Component;
+
+class DoesNotDoubleApplyAttributes extends Component
+{
+    #[\Livewire\Attributes\Url]
+    public string $something = '';
+
+    public string $another = '';
+
+    protected $queryString = [
+        'something',
+        'another',
+    ];
+}
+
+?>
+-----
+<?php
+
+namespace RectorLaravel\Tests\Rector\Class_\LivewireComponentQueryStringToUrlAttributeRector\Fixture;
+
+use Livewire\Component;
+
+class DoesNotDoubleApplyAttributes extends Component
+{
+    #[\Livewire\Attributes\Url]
+    public string $something = '';
+
+    #[\Livewire\Attributes\Url]
+    public string $another = '';
+}
+
+?>