From d24671193d1a820ba0b3794cc80c4cfc7071ce5a Mon Sep 17 00:00:00 2001
From: fyrye <fyrye@users.noreply.github.com>
Date: Thu, 11 Feb 2021 18:49:03 -0500
Subject: [PATCH] Support composer classmap-authoritative option

Fix #666
Forcibly calls `class_alias()` when `class_exists()` autoload feature fails due to composer `classmap-authoritative` option being enabled.
---
 compat/class-aliases.php | 5 ++---
 src/Token/Plain.php      | 2 +-
 src/Token/Signature.php  | 2 +-
 3 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/compat/class-aliases.php b/compat/class-aliases.php
index fcf38361..004f66c6 100644
--- a/compat/class-aliases.php
+++ b/compat/class-aliases.php
@@ -1,5 +1,4 @@
 <?php
 
-class_exists(\Lcobucci\JWT\Token\Plain::class);
-class_exists(\Lcobucci\JWT\Token\Signature::class);
-
+class_exists(\Lcobucci\JWT\Token\Plain::class, false) || class_alias(\Lcobucci\JWT\Token::class, \Lcobucci\JWT\Token\Plain::class);
+class_exists(\Lcobucci\JWT\Token\Signature::class, false) || class_alias(\Lcobucci\JWT\Signature::class, \Lcobucci\JWT\Token\Signature::class);
diff --git a/src/Token/Plain.php b/src/Token/Plain.php
index f0951623..133d831c 100644
--- a/src/Token/Plain.php
+++ b/src/Token/Plain.php
@@ -5,4 +5,4 @@
 use Lcobucci\JWT\Token;
 use function class_alias;
 
-class_alias(Token::class, Plain::class);
+class_exists(Plain::class, false) || class_alias(Token::class, Plain::class);
diff --git a/src/Token/Signature.php b/src/Token/Signature.php
index 0f933ae2..c95d3e4a 100644
--- a/src/Token/Signature.php
+++ b/src/Token/Signature.php
@@ -5,4 +5,4 @@
 use Lcobucci\JWT\Signature as SignatureImpl;
 use function class_alias;
 
-class_alias(SignatureImpl::class, Signature::class);
+class_exists(Signature::class, false) || class_alias(SignatureImpl::class, Signature::class);