From f6d367b3cd998587805f0407d2293441f906b35f Mon Sep 17 00:00:00 2001
From: Anton Evzhakov <anton@evz.name>
Date: Mon, 5 Feb 2024 14:44:43 +0200
Subject: [PATCH] fix(esbuild): mjs extensions in esm build

---
 .changeset/angry-pugs-sparkle.md | 5 +++++
 packages/esbuild/package.json    | 6 +++---
 2 files changed, 8 insertions(+), 3 deletions(-)
 create mode 100644 .changeset/angry-pugs-sparkle.md

diff --git a/.changeset/angry-pugs-sparkle.md b/.changeset/angry-pugs-sparkle.md
new file mode 100644
index 00000000..90f06025
--- /dev/null
+++ b/.changeset/angry-pugs-sparkle.md
@@ -0,0 +1,5 @@
+---
+'@wyw-in-js/esbuild': patch
+---
+
+Use mjs extensions in esm build of esbuild.
diff --git a/packages/esbuild/package.json b/packages/esbuild/package.json
index a7f584fb..7e45aba5 100644
--- a/packages/esbuild/package.json
+++ b/packages/esbuild/package.json
@@ -17,7 +17,7 @@
     "node": ">=16.0.0"
   },
   "exports": {
-    "import": "./esm/index.js",
+    "import": "./esm/index.mjs",
     "require": "./lib/index.js",
     "types": "./types/index.d.ts"
   },
@@ -28,7 +28,7 @@
   ],
   "license": "MIT",
   "main": "lib/index.js",
-  "module": "esm/index.js",
+  "module": "esm/index.mjs",
   "peerDependencies": {
     "esbuild": ">=0.12.0"
   },
@@ -36,7 +36,7 @@
     "access": "public"
   },
   "scripts": {
-    "build:esm": "babel src --out-dir esm --extensions '.js,.jsx,.ts,.tsx' --source-maps --delete-dir-on-start",
+    "build:esm": "babel src --out-dir esm --out-file-extension .mjs --extensions '.js,.jsx,.ts,.tsx' --source-maps --delete-dir-on-start",
     "build:lib": "cross-env NODE_ENV=legacy babel src --out-dir lib --extensions '.js,.jsx,.ts,.tsx' --source-maps --delete-dir-on-start",
     "build:types": "tsc --project ./tsconfig.lib.json --baseUrl . --rootDir ./src",
     "lint": "eslint --ext .js,.ts ."