From e9b66c2e4190a4bdd0d8a7c4330a0400387c2229 Mon Sep 17 00:00:00 2001
From: Pooya Parsa <pooya@pi0.ir>
Date: Sat, 5 Aug 2017 12:23:06 +0430
Subject: [PATCH] feat: response json to curl clients on error

---
 lib/core/renderer.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/core/renderer.js b/lib/core/renderer.js
index 053e22c9e0..20fc30fe44 100644
--- a/lib/core/renderer.js
+++ b/lib/core/renderer.js
@@ -294,7 +294,8 @@ export default class Renderer extends Tapable {
     }
 
     // Check if request accepts JSON
-    const isJson = (req.headers.accept || '').toLowerCase().includes('application/json')
+    const hasReqHeader = (header, includes) => req.headers[header] && req.headers[header].toLowerCase().includes(includes)
+    const isJson = hasReqHeader('accept', 'application/json') || hasReqHeader('user-agent', 'curl/')
 
     // Use basic errors when debug mode is disabled
     if (!this.options.render.debug) {