From 2e6ea7c4f283d0e0e9bda1c50c38d7886be2d9dc Mon Sep 17 00:00:00 2001
From: Aleksandr Grenishin <nd0ut.me@gmail.com>
Date: Mon, 1 May 2023 17:50:41 +0300
Subject: [PATCH] chore(upload-client): do not use buffer for browser-like
 bundles to prevent polyfilling by cdn (#484)

---
 packages/upload-client/src/tools/isBuffer.browser.ts     | 1 +
 packages/upload-client/src/tools/isBuffer.node.ts        | 2 ++
 .../upload-client/src/tools/isBuffer.react-native.ts     | 1 +
 packages/upload-client/src/tools/isFileData.ts           | 9 ++++-----
 4 files changed, 8 insertions(+), 5 deletions(-)
 create mode 100644 packages/upload-client/src/tools/isBuffer.browser.ts
 create mode 100644 packages/upload-client/src/tools/isBuffer.node.ts
 create mode 100644 packages/upload-client/src/tools/isBuffer.react-native.ts

diff --git a/packages/upload-client/src/tools/isBuffer.browser.ts b/packages/upload-client/src/tools/isBuffer.browser.ts
new file mode 100644
index 000000000..411c46577
--- /dev/null
+++ b/packages/upload-client/src/tools/isBuffer.browser.ts
@@ -0,0 +1 @@
+export const isBuffer = (data: unknown): data is Buffer => false
diff --git a/packages/upload-client/src/tools/isBuffer.node.ts b/packages/upload-client/src/tools/isBuffer.node.ts
new file mode 100644
index 000000000..fbd397a57
--- /dev/null
+++ b/packages/upload-client/src/tools/isBuffer.node.ts
@@ -0,0 +1,2 @@
+export const isBuffer = (data: unknown): data is Buffer =>
+  data instanceof Buffer
diff --git a/packages/upload-client/src/tools/isBuffer.react-native.ts b/packages/upload-client/src/tools/isBuffer.react-native.ts
new file mode 100644
index 000000000..411c46577
--- /dev/null
+++ b/packages/upload-client/src/tools/isBuffer.react-native.ts
@@ -0,0 +1 @@
+export const isBuffer = (data: unknown): data is Buffer => false
diff --git a/packages/upload-client/src/tools/isFileData.ts b/packages/upload-client/src/tools/isFileData.ts
index c9b1f015e..6ceafc7cd 100644
--- a/packages/upload-client/src/tools/isFileData.ts
+++ b/packages/upload-client/src/tools/isFileData.ts
@@ -1,4 +1,7 @@
-import { SupportedFileInput, ReactNativeAsset } from '../types'
+import { ReactNativeAsset, SupportedFileInput } from '../types'
+import { isBuffer } from './isBuffer.node'
+
+export { isBuffer }
 
 export const isBlob = (data: unknown): data is Blob => {
   return typeof Blob !== 'undefined' && data instanceof Blob
@@ -8,10 +11,6 @@ export const isFile = (data: unknown): data is File => {
   return typeof File !== 'undefined' && data instanceof File
 }
 
-export const isBuffer = (data: unknown): data is Buffer => {
-  return typeof Buffer !== 'undefined' && data instanceof Buffer
-}
-
 export const isReactNativeAsset = (data: unknown): data is ReactNativeAsset => {
   return (
     !!data &&