From a5c7efafd65d796b205871e4e5a3852cc8b50d6c Mon Sep 17 00:00:00 2001
From: biejia <wb-bj559483@alibaba-inc.com>
Date: Wed, 29 Jul 2020 16:16:43 +0800
Subject: [PATCH] feat: add encoder types

---
 lib/common/utils/encoder.ts | 6 ++++--
 lib/types/experimental.ts   | 1 +
 2 files changed, 5 insertions(+), 2 deletions(-)
 create mode 100644 lib/types/experimental.ts

diff --git a/lib/common/utils/encoder.ts b/lib/common/utils/encoder.ts
index c05373a13..7476afb09 100644
--- a/lib/common/utils/encoder.ts
+++ b/lib/common/utils/encoder.ts
@@ -1,4 +1,6 @@
-export function encoder(str: string, encoding = 'utf-8') {
+import { THeaderEncoding } from '../../types/experimental';
+
+export function encoder(str: string, encoding: THeaderEncoding = 'utf-8') {
   if (encoding === 'utf-8') return str;
   return Buffer.from(str).toString('latin1');
-}
\ No newline at end of file
+}
diff --git a/lib/types/experimental.ts b/lib/types/experimental.ts
new file mode 100644
index 000000000..9c4a96cca
--- /dev/null
+++ b/lib/types/experimental.ts
@@ -0,0 +1 @@
+export type THeaderEncoding = 'utf-8' | 'latin1';