From 1e9210f7b1fc66984a891ea58f13c8c5d2dff81d Mon Sep 17 00:00:00 2001
From: Fabien Villepinte <fabien.villepinte@gmail.com>
Date: Sat, 4 Jun 2022 15:20:58 +0200
Subject: [PATCH] Fix TypeError when a JSON file can not be read (#10818)

---
 phpstan/baseline.neon          | 5 -----
 src/Composer/Json/JsonFile.php | 4 ++++
 2 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/phpstan/baseline.neon b/phpstan/baseline.neon
index ac39f66e8..c335349c5 100644
--- a/phpstan/baseline.neon
+++ b/phpstan/baseline.neon
@@ -4365,11 +4365,6 @@ parameters:
 			count: 1
 			path: ../src/Composer/Json/JsonFile.php
 
-		-
-			message: "#^Parameter \\#1 \\$json of static method Composer\\\\Json\\\\JsonFile\\:\\:parseJson\\(\\) expects string\\|null, string\\|false\\|null given\\.$#"
-			count: 1
-			path: ../src/Composer/Json/JsonFile.php
-
 		-
 			message: "#^Parameter \\#1 \\$json of static method Composer\\\\Json\\\\JsonFile\\:\\:validateSyntax\\(\\) expects string, string\\|false given\\.$#"
 			count: 1
diff --git a/src/Composer/Json/JsonFile.php b/src/Composer/Json/JsonFile.php
index 2202530d9..bbcd24206 100644
--- a/src/Composer/Json/JsonFile.php
+++ b/src/Composer/Json/JsonFile.php
@@ -110,6 +110,10 @@ class JsonFile
             throw new \RuntimeException('Could not read '.$this->path."\n\n".$e->getMessage());
         }
 
+        if ($json === false) {
+            throw new \RuntimeException('Could not read '.$this->path);
+        }
+
         return static::parseJson($json, $this->path);
     }