From 68eafcac06a7350bf9434e6aac70e2ccd8b2854e Mon Sep 17 00:00:00 2001
From: Nicolas Grekas <nicolas.grekas@gmail.com>
Date: Tue, 22 Jul 2025 14:33:39 +0200
Subject: [PATCH] [Console] Fix JSON description for negatable input flags

---
 .../Console/Descriptor/JsonDescriptor.php        |  2 +-
 .../Tests/Descriptor/JsonDescriptorTest.php      |  9 ++++-----
 .../Console/Tests/Fixtures/application_2.json    | 16 ++++++++--------
 3 files changed, 13 insertions(+), 14 deletions(-)

diff --git a/src/Symfony/Component/Console/Descriptor/JsonDescriptor.php b/src/Symfony/Component/Console/Descriptor/JsonDescriptor.php
index 956303709645f..9a8e696cd4135 100644
--- a/src/Symfony/Component/Console/Descriptor/JsonDescriptor.php
+++ b/src/Symfony/Component/Console/Descriptor/JsonDescriptor.php
@@ -108,7 +108,7 @@ private function getInputOptionData(InputOption $option, bool $negated = false):
             'is_value_required' => false,
             'is_multiple' => false,
             'description' => 'Negate the "--'.$option->getName().'" option',
-            'default' => false,
+            'default' => null === $option->getDefault() ? null : !$option->getDefault(),
         ] : [
             'name' => '--'.$option->getName(),
             'shortcut' => $option->getShortcut() ? '-'.str_replace('|', '|-', $option->getShortcut()) : '',
diff --git a/src/Symfony/Component/Console/Tests/Descriptor/JsonDescriptorTest.php b/src/Symfony/Component/Console/Tests/Descriptor/JsonDescriptorTest.php
index 399bd8f2368db..914ed35970c7c 100644
--- a/src/Symfony/Component/Console/Tests/Descriptor/JsonDescriptorTest.php
+++ b/src/Symfony/Component/Console/Tests/Descriptor/JsonDescriptorTest.php
@@ -36,10 +36,9 @@ private function normalizeOutputRecursively($output)
             return array_map($this->normalizeOutputRecursively(...), $output);
         }
 
-        if (null === $output) {
-            return null;
-        }
-
-        return parent::normalizeOutput($output);
+        return match ($output) {
+            null, true, false => $output,
+            default => parent::normalizeOutput($output),
+        };
     }
 }
diff --git a/src/Symfony/Component/Console/Tests/Fixtures/application_2.json b/src/Symfony/Component/Console/Tests/Fixtures/application_2.json
index b3eb10bda3d63..33a90e356ad46 100644
--- a/src/Symfony/Component/Console/Tests/Fixtures/application_2.json
+++ b/src/Symfony/Component/Console/Tests/Fixtures/application_2.json
@@ -85,7 +85,7 @@
                         "is_value_required": false,
                         "is_multiple": false,
                         "description": "Do not ask any interactive question",
-                        "default": false
+                        "default": null
                     },
                     "shell": {
                         "name": "--shell",
@@ -206,7 +206,7 @@
                         "is_value_required": false,
                         "is_multiple": false,
                         "description": "Do not ask any interactive question",
-                        "default": false
+                        "default": null
                     },
                     "debug": {
                         "name": "--debug",
@@ -318,7 +318,7 @@
                         "is_value_required": false,
                         "is_multiple": false,
                         "description": "Do not ask any interactive question",
-                        "default": false
+                        "default": null
                     }
                 }
             }
@@ -421,7 +421,7 @@
                         "is_value_required": false,
                         "is_multiple": false,
                         "description": "Do not ask any interactive question",
-                        "default": false
+                        "default": null
                     },
                     "short": {
                         "name": "--short",
@@ -509,7 +509,7 @@
                         "is_value_required": false,
                         "is_multiple": false,
                         "description": "Do not ask any interactive question",
-                        "default": false
+                        "default": null
                     }
                 }
             }
@@ -605,7 +605,7 @@
                         "is_value_required": false,
                         "is_multiple": false,
                         "description": "Do not ask any interactive question",
-                        "default": false
+                        "default": null
                     }
                 }
             }
@@ -682,7 +682,7 @@
                         "is_value_required": false,
                         "is_multiple": false,
                         "description": "Do not ask any interactive question",
-                        "default": false
+                        "default": null
                     }
                 }
             }
@@ -761,7 +761,7 @@
                         "is_value_required": false,
                         "is_multiple": false,
                         "description": "Do not ask any interactive question",
-                        "default": false
+                        "default": null
                     }
                 }
             }

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