From ed58a6e8164c384dd159c52622c42d64d6054672 Mon Sep 17 00:00:00 2001
From: Maxime LUCE <maxime@touchify.co>
Date: Wed, 28 Jul 2021 11:08:02 +0200
Subject: [PATCH] feat: bundle module and use package exports

- use esbuild to bundle module in esm and cjs format
- bundle dependencies to reduce module size
- use package exports to automatically select the appropriate version
- add build step to prepublishOnly
- add build step to ci
---
 .github/workflows/ci.yml |  2 ++
 .gitignore               |  3 +++
 package.json             | 25 +++++++++++++++++--------
 3 files changed, 22 insertions(+), 8 deletions(-)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f64a50f15..7b598f176 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -38,3 +38,5 @@ jobs:
       - run: npm install
 
       - run: npm test -- --colors
+
+      - run: npm run build
diff --git a/.gitignore b/.gitignore
index c90aca99f..3151e2a17 100644
--- a/.gitignore
+++ b/.gitignore
@@ -37,6 +37,9 @@ node_modules
 # Babel-compiled files
 lib
 
+# esbuild-compiled files
+dist
+
 # Ignore package manager lock files
 package-lock.json
 yarn.lock
diff --git a/package.json b/package.json
index 4ea91fa5c..7f4726dce 100644
--- a/package.json
+++ b/package.json
@@ -2,22 +2,32 @@
   "name": "node-fetch",
   "version": "3.0.0-beta.10",
   "description": "A light-weight module that brings Fetch API to node.js",
-  "main": "./src/index.js",
+  "main": "./dist/index.mjs",
   "sideEffects": false,
   "type": "module",
   "files": [
-    "src",
+    "dist",
     "@types/index.d.ts"
   ],
   "types": "./@types/index.d.ts",
   "engines": {
     "node": "^12.20.0 || ^14.13.1 || >=16.0.0"
   },
+  "exports": {
+    ".": {
+      "import": "./dist/index.mjs",
+      "require": "./dist/index.cjs"
+    }
+  },
   "scripts": {
+    "build": "npm run build:esm && npm run build:cjs",
+    "build:esm": "esbuild src/index.js --bundle --platform=node --format=esm --outfile=dist/index.mjs",
+    "build:cjs": "esbuild src/index.js --bundle --platform=node --format=cjs --outfile=dist/index.cjs",
     "test": "mocha",
     "coverage": "c8 report --reporter=text-lcov | coveralls",
     "test-types": "tsd",
-    "lint": "xo"
+    "lint": "xo",
+    "prepublishOnly": "npm run build"
   },
   "repository": {
     "type": "git",
@@ -53,7 +63,10 @@
     "chai-iterator": "^3.0.2",
     "chai-string": "^1.5.0",
     "coveralls": "^3.1.0",
+    "data-uri-to-buffer": "^3.0.1",
     "delay": "^5.0.0",
+    "esbuild": "^0.12.16",
+    "fetch-blob": "^3.1.2",
     "form-data": "^4.0.0",
     "formdata-node": "^3.5.4",
     "mocha": "^8.3.2",
@@ -61,10 +74,6 @@
     "tsd": "^0.14.0",
     "xo": "^0.39.1"
   },
-  "dependencies": {
-    "data-uri-to-buffer": "^3.0.1",
-    "fetch-blob": "^3.1.2"
-  },
   "tsd": {
     "cwd": "@types",
     "compilerOptions": {
@@ -115,4 +124,4 @@
     ]
   },
   "runkitExampleFilename": "example.js"
-}
+}
\ No newline at end of file