From a10d6259986ff06eecb9a7e09e2d48d74b2143ad Mon Sep 17 00:00:00 2001
From: Kiko Beats <josefrancisco.verdu@gmail.com>
Date: Thu, 15 Jun 2023 18:47:43 +0200
Subject: [PATCH] fix: duplex half once

---
 packages/primitives/src/primitives/fetch.js | 8 ++++----
 packages/runtime/src/cli/repl.ts            | 2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/packages/primitives/src/primitives/fetch.js b/packages/primitives/src/primitives/fetch.js
index 9192c683..c0ee3b3f 100644
--- a/packages/primitives/src/primitives/fetch.js
+++ b/packages/primitives/src/primitives/fetch.js
@@ -146,10 +146,10 @@ export function setGlobalDispatcher(agent) {
  * Add `duplex: 'half'` by default to all requests
  */
 function addDuplexToInit(init) {
-  if (typeof init === 'undefined' || typeof init === 'object') {
-    return { duplex: 'half', ...init }
-  }
-  return init
+  return typeof init === 'undefined' ||
+    (typeof init === 'object' && init.duplex === undefined)
+    ? { duplex: 'half', ...init }
+    : init
 }
 
 /**
diff --git a/packages/runtime/src/cli/repl.ts b/packages/runtime/src/cli/repl.ts
index 918bfdb9..64b10270 100644
--- a/packages/runtime/src/cli/repl.ts
+++ b/packages/runtime/src/cli/repl.ts
@@ -14,7 +14,7 @@ const writer: createRepl.REPLWriter = (output) => {
 }
 
 const repl = createRepl.start({ prompt: 'ƒ => ', writer })
-repl.setupHistory(join(homedir(), '.edge_runtime_repl_history'), () => { })
+repl.setupHistory(join(homedir(), '.edge_runtime_repl_history'), () => {})
 
 Object.getOwnPropertyNames(repl.context).forEach(
   (mod) => delete repl.context[mod]