From d5dbf11200275435600b5629ff5bbe64a85d2193 Mon Sep 17 00:00:00 2001
From: Alexander Schranz <alexander@sulu.io>
Date: Wed, 6 Feb 2019 10:10:00 +0100
Subject: [PATCH] Remove punycode as dependency (#39)

* Remove punycode as dependencie

* Use symfony polyfill

* Remove punycode test
---
 composer.json     |  2 +-
 src/IDN.php       | 24 ------------------------
 tests/IDNTest.php | 17 -----------------
 3 files changed, 1 insertion(+), 42 deletions(-)

diff --git a/composer.json b/composer.json
index 6b2f2fb..52fb041 100644
--- a/composer.json
+++ b/composer.json
@@ -18,7 +18,7 @@
     "php": "^5.5.0 || ^7.0",
     "layershifter/tld-database": "^1.0",
     "layershifter/tld-support": "^1.1",
-    "true/punycode": "^2.1.1"
+    "symfony/polyfill-intl-idn": "^1.10"
   },
   "require-dev": {
     "phpmd/phpmd": "@stable",
diff --git a/src/IDN.php b/src/IDN.php
index b919e5b..ee140f0 100644
--- a/src/IDN.php
+++ b/src/IDN.php
@@ -9,22 +9,6 @@
  */
 class IDN
 {
-
-    /**
-     * @var Punycode Object of TrueBV\Punycode class.
-     */
-    private $transformer;
-
-    /**
-     * Constructor.
-     */
-    public function __construct()
-    {
-        if (!function_exists('\idn_to_utf8')) {
-            $this->transformer = new Punycode();
-        }
-    }
-
     /**
      * Converts domain name from Unicode to IDNA ASCII.
      *
@@ -34,10 +18,6 @@ public function __construct()
      */
     public function toASCII($domain)
     {
-        if ($this->transformer) {
-            return $this->transformer->encode($domain);
-        }
-
         if (defined('INTL_IDNA_VARIANT_UTS46')) {
             return idn_to_ascii($domain, 0, INTL_IDNA_VARIANT_UTS46);
         }
@@ -54,10 +34,6 @@ public function toASCII($domain)
      */
     public function toUTF8($domain)
     {
-        if ($this->transformer) {
-            return $this->transformer->decode($domain);
-        }
-
         if (defined('INTL_IDNA_VARIANT_UTS46')) {
             return idn_to_utf8($domain, 0, INTL_IDNA_VARIANT_UTS46);
         }
diff --git a/tests/IDNTest.php b/tests/IDNTest.php
index 80393e8..fe100ae 100644
--- a/tests/IDNTest.php
+++ b/tests/IDNTest.php
@@ -3,7 +3,6 @@
 namespace LayerShifter\TLDExtract\Tests;
 
 use LayerShifter\TLDExtract\IDN;
-use TrueBV\Punycode;
 
 /**
  * Tests for IDN class.
@@ -26,22 +25,6 @@ protected function setUp()
         $this->idn = new IDN();
     }
 
-    /**
-     * Tests constructor(), ensures that transformer isn't loaded when `intl` extension present.
-     *
-     * @void
-     */
-    public function testConstructor()
-    {
-        if (function_exists('\idn_to_utf8')) {
-            $this->assertAttributeInternalType('null', 'transformer', $this->idn);
-
-            return;
-        }
-
-        $this->assertAttributeInstanceOf(Punycode::class, 'transformer', $this->idn);
-    }
-
     /**
      * Tests toASCII() method.
      *