From 28d58a7e2471ae40b0fe02563a46dea6eafd99ee Mon Sep 17 00:00:00 2001
From: seb-jean <sebastien.jean76@gmail.com>
Date: Sat, 24 Dec 2022 09:05:02 +0100
Subject: [PATCH] Add support for kebab case

---
 .../Component/String/AbstractString.php       |  2 ++
 .../String/AbstractUnicodeString.php          |  8 ++++++
 src/Symfony/Component/String/ByteString.php   |  8 ++++++
 .../String/Tests/AbstractAsciiTestCase.php    | 28 +++++++++++++++++++
 .../String/Tests/AbstractUnicodeTestCase.php  | 10 +++++++
 5 files changed, 56 insertions(+)

diff --git a/src/Symfony/Component/String/AbstractString.php b/src/Symfony/Component/String/AbstractString.php
index bf491f88d61fe..442e06a5811bf 100644
--- a/src/Symfony/Component/String/AbstractString.php
+++ b/src/Symfony/Component/String/AbstractString.php
@@ -390,6 +390,8 @@ public function jsonSerialize(): string
         return $this->string;
     }
 
+    abstract public function kebab(): static;
+
     abstract public function length(): int;
 
     abstract public function lower(): static;
diff --git a/src/Symfony/Component/String/AbstractUnicodeString.php b/src/Symfony/Component/String/AbstractUnicodeString.php
index 52912276f174f..033f38edd069a 100644
--- a/src/Symfony/Component/String/AbstractUnicodeString.php
+++ b/src/Symfony/Component/String/AbstractUnicodeString.php
@@ -214,6 +214,14 @@ public function join(array $strings, string $lastGlue = null): static
         return $str;
     }
 
+    public function kebab(): static
+    {
+        $str = $this->camel();
+        $str->string = mb_strtolower(preg_replace(['/(\p{Lu}+)(\p{Lu}\p{Ll})/u', '/([\p{Ll}0-9])(\p{Lu})/u'], '\1-\2', $str->string), 'UTF-8');
+
+        return $str;
+    }
+
     public function lower(): static
     {
         $str = clone $this;
diff --git a/src/Symfony/Component/String/ByteString.php b/src/Symfony/Component/String/ByteString.php
index 212290fed97a0..1635e14a0f2ef 100644
--- a/src/Symfony/Component/String/ByteString.php
+++ b/src/Symfony/Component/String/ByteString.php
@@ -215,6 +215,14 @@ public function join(array $strings, string $lastGlue = null): static
         return $str;
     }
 
+    public function kebab(): static
+    {
+        $str = $this->camel();
+        $str->string = strtolower(preg_replace(['/([A-Z]+)([A-Z][a-z])/', '/([a-z\d])([A-Z])/'], '\1-\2', $str->string));
+
+        return $str;
+    }
+
     public function length(): int
     {
         return \strlen($this->string);
diff --git a/src/Symfony/Component/String/Tests/AbstractAsciiTestCase.php b/src/Symfony/Component/String/Tests/AbstractAsciiTestCase.php
index a0cf2068f9476..19fd78524ea5d 100644
--- a/src/Symfony/Component/String/Tests/AbstractAsciiTestCase.php
+++ b/src/Symfony/Component/String/Tests/AbstractAsciiTestCase.php
@@ -1080,6 +1080,34 @@ public static function provideSnake()
         ];
     }
 
+    /**
+     * @dataProvider provideKebab
+     */
+    public function testKebab(string $expectedString, string $origin)
+    {
+        $instance = static::createFromString($origin)->kebab();
+
+        $this->assertEquals(static::createFromString($expectedString), $instance);
+    }
+
+    public static function provideKebab()
+    {
+        return [
+            ['', ''],
+            ['x-y', 'x_y'],
+            ['x-y', 'X_Y'],
+            ['xu-yo', 'xu_yo'],
+            ['symfony-is-great', 'symfonyIsGreat'],
+            ['symfony5-is-great', 'symfony5IsGreat'],
+            ['symfony5is-great', 'symfony5isGreat'],
+            ['symfony-is-great', 'Symfony is great'],
+            ['symfony-is-a-great-framework', 'symfonyIsAGreatFramework'],
+            ['symfony-is-great', 'symfonyIsGREAT'],
+            ['symfony-is-really-great', 'symfonyIsREALLYGreat'],
+            ['symfony', 'SYMFONY'],
+        ];
+    }
+
     /**
      * @dataProvider provideStartsWith
      */
diff --git a/src/Symfony/Component/String/Tests/AbstractUnicodeTestCase.php b/src/Symfony/Component/String/Tests/AbstractUnicodeTestCase.php
index d8f71ffd93d6a..5586195458bd1 100644
--- a/src/Symfony/Component/String/Tests/AbstractUnicodeTestCase.php
+++ b/src/Symfony/Component/String/Tests/AbstractUnicodeTestCase.php
@@ -546,6 +546,16 @@ public static function provideSnake()
         );
     }
 
+    public static function provideKebab()
+    {
+        return array_merge(
+            parent::provideKebab(),
+            [
+                ['symfony-ist-äußerst-cool', 'symfonyIstÄußerstCool'],
+            ]
+        );
+    }
+
     public static function provideEqualsTo()
     {
         return array_merge(