feat: make package esm only

Author: andrewdoro

packages/headless/CHANGELOG.md

@@ -1,5 +1,11 @@
 # [0.2.0](https://github.com/steven-tey/novel/compare/v0.1.0...v0.2.0) (2025-01-17)
 
+## 1.0.1
+
+### Patch Changes
+
+- remote tiptap markdown
+
 ## 1.0.0
 
 ### Major Changes

packages/headless/esm-only.cjs

@@ -0,0 +1,9 @@
+// ESM only manifesto: https://gist.github.com/sindresorhus/a39789f98801d908bbc7ff3ecc99d99c
+
+// This stub file was added to let some old ESLint plugins resolve
+// the import paths correctly, as setting exports.*.require: null in package.json didn't work.
+
+throw new Error(
+  `This package is ESM only.
+    See https://err.47ng.com/NUQS-101 for more details.`,
+);

packages/headless/package.json

@@ -1,23 +1,32 @@
 {
   "name": "novel",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "description": "Notion-style WYSIWYG editor with AI-powered autocompletions",
   "license": "Apache-2.0",
   "type": "module",
-  "main": "dist/index.cjs",
+  "sideEffects": false,
   "module": "dist/index.js",
   "types": "dist/index.d.ts",
+  "exports": {
+    ".": {
+      "types": "./dist/index.d.ts",
+      "import": "./dist/index.js",
+      "require": "./esm-only.cjs"
+    }
+  },
   "files": [
     "dist"
   ],
+  "publishConfig": {
+    "access": "public"
+  },
   "scripts": {
     "dev": "tsup --watch",
     "typecheck": "tsc --noEmit",
     "build": "tsup",
     "lint": "biome lint ./src",
     "format": "biome format ./src "
   },
-  "sideEffects": false,
   "peerDependencies": {
     "react": ">=18"
   },

packages/headless/tsup.config.ts

@@ -6,9 +6,11 @@ export default defineConfig((options: Options) => ({
     js: "'use client'",
   },
   minify: true,
-  format: ["cjs", "esm"],
+  format: ["esm"],
   dts: true,
   clean: true,
   external: ["react", "react-dom"],
+  splitting: true,
+  treeshake: true,
   ...options,
 }));