Only iterate headers once

hapijs · Apr 10, 2024 · 487b6f5 · 487b6f5
1 parent 7da1633
commit 487b6f5
Showing 1 changed file with 7 additions and 4 deletions.
diff --git a/lib/index.js b/lib/index.js
@@ -115,12 +115,15 @@ internals.Client = class {
         }
 
         uri.method = method.toUpperCase();
-        uri.headers = Object.assign({}, options.headers);
+        uri.headers = Object.create(null);
 
         const usedHeaders = new Set();
-        for (const [key, value] of Object.entries(uri.headers)) {
-            if (value !== undefined) {
-                usedHeaders.add(key.toLowerCase());
+        if (options.headers) {
+            for (const [key, value] of Object.entries(options.headers)) {
+                if (value !== undefined) {
+                    uri.headers[key] = value;
+                    usedHeaders.add(key.toLowerCase());
+                }
             }
         }