feat: add collector to collect used views from other views

extension.neon

@@ -5,8 +5,6 @@ parameters:
     earlyTerminatingFunctionCalls:
         - abort
         - dd
-    excludePaths:
-        - *.blade.php
     mixinExcludeClasses:
         - Eloquent
     bootstrapFiles:
@@ -452,6 +450,10 @@ services:
         class: NunoMaduro\Larastan\Collectors\UsedEmailViewCollector
         tags:
             - phpstan.collector
+    -
+        class: NunoMaduro\Larastan\Collectors\UsedViewInAnotherViewCollector
+        tags:
+            - phpstan.collector
 rules:
     - NunoMaduro\Larastan\Rules\RelationExistenceRule
     - NunoMaduro\Larastan\Rules\UselessConstructs\NoUselessWithFunctionCallsRule

src/Collectors/UsedViewInAnotherViewCollector.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace NunoMaduro\Larastan\Collectors;
+
+use PhpParser\Node;
+use PHPStan\Analyser\Scope;
+use PHPStan\Collectors\Collector;
+use PHPStan\Node\FileNode;
+
+/** @implements Collector<FileNode, string[]> */
+class UsedViewInAnotherViewCollector implements Collector
+{
+    /** @see https://regex101.com/r/8gosof/1 */
+    private const VIEW_NAME_REGEX = '/@(extends|include(If|Unless|When|First)?)(\(.*?\'(.*?)\'(\)|,))/m';
+
+    public function getNodeType(): string
+    {
+        return FileNode::class;
+    }
+
+    public function processNode(Node $node, Scope $scope): ?array
+    {
+        $nodes = array_filter($node->getNodes(), function (Node $node) {
+            return $node instanceof Node\Stmt\InlineHTML;
+        });
+
+        if (count($nodes) === 0) {
+            return null;
+        }
+
+        $usedViews = [];
+
+        foreach ($nodes as $node) {
+            preg_match_all(self::VIEW_NAME_REGEX, $node->value, $matches, PREG_SET_ORDER, 0);
+
+            $usedViews = array_merge($usedViews, array_map(function ($match) {
+                return $match[4];
+            }, $matches));
+        }
+
+        return $usedViews;
+    }
+}

src/Rules/UnusedViewsRule.php

@@ -4,10 +4,12 @@
 
 namespace NunoMaduro\Larastan\Rules;
 
+use function collect;
 use Illuminate\Support\Facades\File;
 use Illuminate\View\Factory;
 use NunoMaduro\Larastan\Collectors\UsedEmailViewCollector;
 use NunoMaduro\Larastan\Collectors\UsedViewFunctionCollector;
+use NunoMaduro\Larastan\Collectors\UsedViewInAnotherViewCollector;
 use PhpParser\Node;
 use PHPStan\Analyser\Scope;
 use PHPStan\Node\CollectedDataNode;
@@ -25,12 +27,16 @@ public function getNodeType(): string
 
     public function processNode(Node $node, Scope $scope): array
     {
-        $usedViews = array_unique(array_merge(...array_values($node->get(UsedViewFunctionCollector::class)), ...array_values($node->get(UsedEmailViewCollector::class))));
+        $usedViews = collect([
+            $node->get(UsedViewFunctionCollector::class),
+            $node->get(UsedEmailViewCollector::class),
+            $node->get(UsedViewInAnotherViewCollector::class),
+        ])->flatten()->unique()->toArray();
 
         $allViews = array_map(function (SplFileInfo $file) {
             return $file->getPathname();
         }, array_filter(File::allFiles(resource_path('views')), function (SplFileInfo $file) {
-            return ! str_contains($file->getPathname(), 'views/vendor') && $file->getExtension() === 'php' && str_ends_with($file->getFilename(), '.blade.php');
+            return ! str_contains($file->getPathname(), 'views/vendor') && str_ends_with($file->getFilename(), '.blade.php');
         }));
 
         $existingViews = [];

tests/Application/resources/views/base.blade.php

@@ -0,0 +1,3 @@
+<h1>Base view</h1>
+
+@include('users.index')

tests/Application/resources/views/index.blade.php

@@ -0,0 +1,9 @@
+<?php
+// ignore here
+?>
+
+@extends('base')
+
+Lorem ipsum
+
+@include('home')

tests/Rules/Data/FooController.php

@@ -7,6 +7,11 @@
 
 class FooController
 {
+    public function index()
+    {
+        return view('index');
+    }
+
     public function existing(): View
     {
         return view('users.index');

tests/Rules/UnusedViewsRuleTest.php

@@ -4,6 +4,7 @@
 
 use NunoMaduro\Larastan\Collectors\UsedEmailViewCollector;
 use NunoMaduro\Larastan\Collectors\UsedViewFunctionCollector;
+use NunoMaduro\Larastan\Collectors\UsedViewInAnotherViewCollector;
 use NunoMaduro\Larastan\Rules\UnusedViewsRule;
 use PHPStan\Rules\Rule;
 use PHPStan\Testing\RuleTestCase;
@@ -21,12 +22,13 @@ protected function getCollectors(): array
         return [
             new UsedViewFunctionCollector,
             new UsedEmailViewCollector,
+            new UsedViewInAnotherViewCollector,
         ];
     }
 
     public function testRule(): void
     {
-        $this->analyse([__DIR__.'/Data/FooController.php'], [
+        $this->analyse([__DIR__.'/Data/FooController.php', __DIR__.'/../Application/resources/views/index.blade.php', __DIR__.'/../Application/resources/views/base.blade.php'], [
             [
                 'This view is not used in the project.',
                 00,