From 5a19f73e97b13b6679ee2c75ad10b87480599d9b Mon Sep 17 00:00:00 2001
From: Jelf <okxiaoliang4@gmail.com>
Date: Mon, 19 Sep 2022 19:13:31 +0800
Subject: [PATCH] feat: support `responseType: 'stream'` as `ReadableStream`
 (#100)

---
 src/fetch.ts | 2 ++
 src/utils.ts | 6 ++++++
 2 files changed, 8 insertions(+)

diff --git a/src/fetch.ts b/src/fetch.ts
index dedd9acf..214593ec 100644
--- a/src/fetch.ts
+++ b/src/fetch.ts
@@ -146,6 +146,8 @@ export function createFetch (globalOptions: CreateFetchOptions): $Fetch {
       const data = await ctx.response.text()
       const parseFn = ctx.options.parseResponse || destr
       ctx.response._data = parseFn(data)
+    } else if (responseType === 'stream') {
+      ctx.response._data = ctx.response.body
     } else {
       ctx.response._data = await ctx.response[responseType]()
     }
diff --git a/src/utils.ts b/src/utils.ts
index 171045d1..4867d894 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -34,6 +34,7 @@ interface ResponseMap {
   blob: Blob
   text: string
   arrayBuffer: ArrayBuffer
+  stream: ReadableStream<Uint8Array>
 }
 
 export type ResponseType = keyof ResponseMap | 'json'
@@ -52,6 +53,11 @@ export function detectResponseType (_contentType = ''): ResponseType {
     return 'json'
   }
 
+  // TODO
+  // if (contentType === 'application/octet-stream') {
+  //   return 'stream'
+  // }
+
   if (textTypes.has(contentType) || contentType.startsWith('text/')) {
     return 'text'
   }