chore: migrate to tsup to fix ESM related issues

package.json

@@ -2,11 +2,10 @@
   "name": "clarity-codegen",
   "version": "1.1.3",
   "main": "./lib/index.js",
-  "module": "./dist/index.js",
-  "types": "./dist/index.d.ts",
+  "module": "./lib/index.mjs",
+  "types": "./lib/index.d.ts",
   "files": [
-    "lib/",
-    "dist/"
+    "lib/"
   ],
   "license": "MIT",
   "bin": {
@@ -14,22 +13,22 @@
   },
   "scripts": {
     "prepare": "pnpm run build",
-    "build": "rm -rf lib && rm -rf dist && tsc -p tsconfig.json && tsc -p tsconfig.cjs.json"
+    "build": "rm -rf lib && tsup-node src"
   },
   "exports": {
     ".": {
-      "types": "./dist/index.d.ts",
-      "import": "./dist/index.js",
+      "types": "./lib/index.d.ts",
+      "import": "./lib/index.mjs",
       "require": "./lib/index.js"
     },
     "./generate": {
-      "types": "./dist/generate/index.d.ts",
-      "import": "./dist/generate/index.js",
+      "types": "./lib/generate/index.d.ts",
+      "import": "./lib/generate/index.mjs",
       "require": "./lib/generate/index.js"
     },
     "./lib/generate": {
-      "types": "./dist/generate/index.d.ts",
-      "import": "./dist/generate/index.js",
+      "types": "./lib/generate/index.d.ts",
+      "import": "./lib/generate/index.mjs",
       "require": "./lib/generate/index.js"
     }
   },
@@ -40,6 +39,7 @@
     "@types/node": "^20.1.5",
     "@types/yargs": "^17.0.24",
     "prettier": "^2.8.8",
+    "tsup": "^8.5.1",
     "typescript": "^5.7.3"
   },
   "dependencies": {

tsconfig.cjs.json

@@ -1,9 +0,0 @@
-{
-  "extends": "./tsconfig.json",
-  "compilerOptions": {
-    "target": "es2016" /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */,
-    "module": "commonjs" /* Specify what module code is generated. */,
-    "declaration": true /* Generate .d.ts files from TypeScript and JavaScript files in your project. */,
-    "outDir": "./lib" /* Specify an output folder for all emitted files. */,
-  }
-}

tsup.config.ts

@@ -0,0 +1,14 @@
+import { defineConfig } from "tsup"
+
+export default defineConfig({
+  outDir: "lib",
+  format: ["cjs", "esm"],
+  treeshake: true,
+  sourcemap: true,
+  dts: true,
+  env: {
+    ENV_NAME: process.env.ENV_NAME ?? "prod",
+  },
+  inject: [],
+  noExternal: []
+})