From 0b2bf3d73a7e842957bba66894761fddf7ff2c42 Mon Sep 17 00:00:00 2001
From: Sam Atkins <github@samatkins.co.uk>
Date: Tue, 8 Jun 2021 15:57:56 +0100
Subject: [PATCH] gron: Handle invalid input gracefully

Print an error and return 1, instead of asserting.
---
 Userland/Utilities/gron.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/Userland/Utilities/gron.cpp b/Userland/Utilities/gron.cpp
index 0073da1ca1..b24eabd3eb 100644
--- a/Userland/Utilities/gron.cpp
+++ b/Userland/Utilities/gron.cpp
@@ -70,7 +70,15 @@ int main(int argc, char** argv)
 
     auto file_contents = file->read_all();
     auto json = JsonValue::from_string(file_contents);
-    VERIFY(json.has_value());
+
+    if (!json.has_value()) {
+        if (path) {
+            warnln("Failed to parse '{}' as JSON", path);
+        } else {
+            warnln("Failed to parse stdin as JSON");
+        }
+        return 1;
+    }
 
     if (use_color) {
         color_name = "\033[33;1m";