From 861c8ed4ffdf65a704a1e18533ff40163c72fcc4 Mon Sep 17 00:00:00 2001
From: Ben McCann <322311+benmccann@users.noreply.github.com>
Date: Tue, 20 Jul 2021 10:44:08 -0700
Subject: [PATCH] Distribute an ESM version

---
 index.js => index.cjs |  0
 index.mjs             | 11 +++++++++++
 package.json          |  3 ++-
 3 files changed, 13 insertions(+), 1 deletion(-)
 rename index.js => index.cjs (100%)
 create mode 100644 index.mjs

diff --git a/index.js b/index.cjs
similarity index 100%
rename from index.js
rename to index.cjs
diff --git a/index.mjs b/index.mjs
new file mode 100644
index 0000000..8d2f55d
--- /dev/null
+++ b/index.mjs
@@ -0,0 +1,11 @@
+/*!
+ * Determine if an object is a Buffer
+ *
+ * @author   Feross Aboukhadijeh <https://feross.org>
+ * @license  MIT
+ */
+
+export default function isBuffer (obj) {
+  return obj != null && obj.constructor != null &&
+    typeof obj.constructor.isBuffer === 'function' && obj.constructor.isBuffer(obj)
+}
diff --git a/package.json b/package.json
index 7cd70d4..4b5928e 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,8 @@
     "uint32array"
   ],
   "license": "MIT",
-  "main": "index.js",
+  "main": "index.cjs",
+  "module": "index.mjs",
   "repository": {
     "type": "git",
     "url": "git://github.com/feross/is-buffer.git"