From a8597ef4206d6e4709a8872cccd25a6b3b275104 Mon Sep 17 00:00:00 2001
From: Giuseppe Mazzapica <giuseppe.mazzapica@gmail.com>
Date: Mon, 29 May 2023 13:06:49 +0200
Subject: [PATCH] Use an empty string as fallback for
 InstallationManager::etInstallPath

For Composer 2.5.6+ compatibility
---
 src/Asset/Config.php  | 9 ++-------
 src/Asset/Factory.php | 2 +-
 2 files changed, 3 insertions(+), 8 deletions(-)

diff --git a/src/Asset/Config.php b/src/Asset/Config.php
index 63e2789..fe17fba 100644
--- a/src/Asset/Config.php
+++ b/src/Asset/Config.php
@@ -129,7 +129,7 @@ public static function forAssetConfigInRoot(
 
     /**
      * @param PackageInterface $package
-     * @param string|null $path
+     * @param string $path
      * @param ModeResolver $modeResolver
      * @param Filesystem $filesystem
      * @param array<string, string> $rootEnv
@@ -137,7 +137,7 @@ public static function forAssetConfigInRoot(
      */
     public static function forComposerPackage(
         PackageInterface $package,
-        ?string $path,
+        string $path,
         ModeResolver $modeResolver,
         Filesystem $filesystem,
         array $rootEnv = []
@@ -161,11 +161,6 @@ public static function forComposerPackage(
         $instance = new static($data, $modeResolver, $rootEnv);
         $instance->byPackage = true;
         if ($isRoot) {
-            if (!is_string($path)) {
-                // This never happens when asset compiler calls this method, but it is a public
-                // method and the type allows it. So let it throw a telling error.
-                throw new \Error('Root configuration can not be constructed without a valid path.');
-            }
             $instance->byRootPackage = true;
             $name = $package->getName();
             $instance->rootConfig = RootConfig::new(
diff --git a/src/Asset/Factory.php b/src/Asset/Factory.php
index e3e4e76..fd3d13e 100644
--- a/src/Asset/Factory.php
+++ b/src/Asset/Factory.php
@@ -108,7 +108,7 @@ public function attemptFactory(
         $isRoot = ($package instanceof RootPackageInterface);
         $path = $isRoot
             ? $this->rootDir
-            : $this->installationManager->getInstallPath($package);
+            : ($this->installationManager->getInstallPath($package) ?? '');
 
         if (!$config && (!$rootLevelPackageConfig || $packageOrDefaultAllowed)) {
             $packageLevelConfig = Config::forComposerPackage(