From e4ffa951d608eac2cd5011aaadb63ed0a26f58ee Mon Sep 17 00:00:00 2001
From: Simon Hamp <simon.hamp@me.com>
Date: Thu, 30 Nov 2023 16:57:53 +0000
Subject: [PATCH] [10.x]: Add Blade @use directive (#49179)

* Add Blade @use directive

* Allow for `use` without `as`

* Update CompilesUseStatements.php

---------

Co-authored-by: Taylor Otwell <taylor@laravel.com>
---
 .../View/Compilers/BladeCompiler.php          |  1 +
 .../Concerns/CompilesUseStatements.php        | 22 +++++++++++++++++++
 tests/View/Blade/BladeUseTest.php             | 20 +++++++++++++++++
 3 files changed, 43 insertions(+)
 create mode 100644 src/Illuminate/View/Compilers/Concerns/CompilesUseStatements.php
 create mode 100644 tests/View/Blade/BladeUseTest.php

diff --git a/src/Illuminate/View/Compilers/BladeCompiler.php b/src/Illuminate/View/Compilers/BladeCompiler.php
index 51479e81edc5..18aae67e14ba 100644
--- a/src/Illuminate/View/Compilers/BladeCompiler.php
+++ b/src/Illuminate/View/Compilers/BladeCompiler.php
@@ -33,6 +33,7 @@ class BladeCompiler extends Compiler implements CompilerInterface
         Concerns\CompilesStacks,
         Concerns\CompilesStyles,
         Concerns\CompilesTranslations,
+        Concerns\CompilesUseStatements,
         ReflectsClosures;
 
     /**
diff --git a/src/Illuminate/View/Compilers/Concerns/CompilesUseStatements.php b/src/Illuminate/View/Compilers/Concerns/CompilesUseStatements.php
new file mode 100644
index 000000000000..8d74a77046d6
--- /dev/null
+++ b/src/Illuminate/View/Compilers/Concerns/CompilesUseStatements.php
@@ -0,0 +1,22 @@
+<?php
+
+namespace Illuminate\View\Compilers\Concerns;
+
+trait CompilesUseStatements
+{
+    /**
+     * Compile the use statements into valid PHP.
+     *
+     * @param  string  $expression
+     * @return string
+     */
+    protected function compileUse($expression)
+    {
+        $segments = explode(',', preg_replace("/[\(\)]/", '', $expression));
+
+        $use = trim($segments[0], " '\"");
+        $as = isset($segments[1]) ? ' as '.trim($segments[1], " '\"") : '';
+
+        return "<?php use \\{$use}{$as}; ?>";
+    }
+}
diff --git a/tests/View/Blade/BladeUseTest.php b/tests/View/Blade/BladeUseTest.php
new file mode 100644
index 000000000000..bc1c8a708c2d
--- /dev/null
+++ b/tests/View/Blade/BladeUseTest.php
@@ -0,0 +1,20 @@
+<?php
+
+namespace Illuminate\Tests\View\Blade;
+
+class BladeUseTest extends AbstractBladeTestCase
+{
+    public function testUseStatementsAreCompiled()
+    {
+        $string = "Foo @use('SomeNamespace\SomeClass', 'Foo') bar";
+        $expected = "Foo <?php use \SomeNamespace\SomeClass as Foo; ?> bar";
+        $this->assertEquals($expected, $this->compiler->compileString($string));
+    }
+
+    public function testUseStatementsWithoutAsAreCompiled()
+    {
+        $string = "Foo @use('SomeNamespace\SomeClass') bar";
+        $expected = "Foo <?php use \SomeNamespace\SomeClass; ?> bar";
+        $this->assertEquals($expected, $this->compiler->compileString($string));
+    }
+}