add header name in case of error

edoparo · Dec 15, 2020 · b72f02a · b72f02a
1 parent 75d9455
commit b72f02a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/fetch.js b/fetch.js
@@ -50,7 +50,7 @@ function normalizeName(name) {
     name = String(name)
   }
   if (/[^a-z0-9\-#$%&'*+.^_`|~!]/i.test(name) || name === '') {
-    throw new TypeError('Invalid character in header field name')
+    throw new TypeError('Invalid character in header field name: ' + name)
   }
   return name.toLowerCase()
 }