From da4fb4da191fad7395bb8f13387e992f7e00eb0b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lu=C3=ADs=20Cobucci?= <lcobucci@gmail.com>
Date: Sat, 22 Jun 2019 01:56:41 +0200
Subject: [PATCH] fixup! Use native exception for json functions

---
 src/Formatter/Json.php | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/Formatter/Json.php b/src/Formatter/Json.php
index 7937cbd8..0cb78bc7 100644
--- a/src/Formatter/Json.php
+++ b/src/Formatter/Json.php
@@ -12,6 +12,8 @@
 use const JSON_HEX_TAG;
 use const JSON_THROW_ON_ERROR;
 use const JSON_UNESCAPED_SLASHES;
+use function assert;
+use function is_string;
 use function json_encode;
 use function sprintf;
 
@@ -35,7 +37,10 @@ public function __construct(int $flags = self::DEFAULT_FLAGS)
     public function format($content, array $attributes = []): string
     {
         try {
-            return json_encode($content, $this->flags | JSON_THROW_ON_ERROR);
+            $content = json_encode($content, $this->flags | JSON_THROW_ON_ERROR);
+            assert(is_string($content));
+
+            return $content;
         } catch (Throwable $exception) {
             throw new ContentCouldNotBeFormatted(
                 sprintf('An exception was thrown during JSON formatting: %s', $exception->getMessage()),