From 9ff92ebdbcf768951f4bdba335c111f542ed76db Mon Sep 17 00:00:00 2001
From: Yusuke Wada <yusuke@kamawada.com>
Date: Tue, 1 Oct 2024 14:30:29 +0900
Subject: [PATCH] feat(streaming): add `Identity` as Content-Encoding for
 `streamText()`

---
 src/helper/streaming/text.test.ts | 1 +
 src/helper/streaming/text.ts      | 1 +
 2 files changed, 2 insertions(+)

diff --git a/src/helper/streaming/text.test.ts b/src/helper/streaming/text.test.ts
index 9458a095..d4301506 100644
--- a/src/helper/streaming/text.test.ts
+++ b/src/helper/streaming/text.test.ts
@@ -20,6 +20,7 @@ describe('Text Streaming Helper', () => {
     expect(res.headers.get('content-type')).toMatch(/^text\/plain/)
     expect(res.headers.get('x-content-type-options')).toBe('nosniff')
     expect(res.headers.get('transfer-encoding')).toBe('chunked')
+    expect(res.headers.get('content-encoding')).toBe('identity')
 
     if (!res.body) {
       throw new Error('Body is null')
diff --git a/src/helper/streaming/text.ts b/src/helper/streaming/text.ts
index fe707cc6..0a573a39 100644
--- a/src/helper/streaming/text.ts
+++ b/src/helper/streaming/text.ts
@@ -11,5 +11,6 @@ export const streamText = (
   c.header('Content-Type', TEXT_PLAIN)
   c.header('X-Content-Type-Options', 'nosniff')
   c.header('Transfer-Encoding', 'chunked')
+  c.header('Content-Encoding', 'identity')
   return stream(c, cb, onError)
 }