fix(build): move to tsup and only output esm build

it wasn't required to build cjs builds and just created a mess to handle both import types, and with tsup there is more customizability options

.vscode/launch.json

@@ -3,7 +3,7 @@
 	"version": "0.2.0",
 	"configurations": [
 		{
-			"type": "pwa-node",
+			"type": "node",
 			"request": "launch",
 			"name": "Debug Current Test File",
 			"autoAttachChildProcesses": true,

package.json

@@ -2,16 +2,24 @@
   "name": "class-importer",
   "version": "0.2.2",
   "description": "node js class importer - import default classes of folder and subfolders based on class",
-  "main": "dist/index.js",
-  "module": "dist/index.mjs",
+  "type": "module",
+  "module": "dist/index.js",
   "types": "dist/index.d.ts",
   "exports": {
-    "require": "./dist/index.js",
-    "import": "./dist/index.mjs",
+    "import": "./dist/index.js",
     "types": "./dist/index.d.ts"
   },
+  "tsup": {
+    "entry": [
+      "src/index.ts"
+    ],
+    "sourcemap": true,
+    "dts": true,
+    "clean": true,
+    "format": "esm"
+  },
   "scripts": {
-    "build": "pkgroll",
+    "build": "tsup",
     "lint": "npm-run-all lint:*",
     "lint:src": "eslint \"src/**/*.ts\"",
     "lint:tests": "eslint \"tests/**/*.ts\"",
@@ -50,13 +58,14 @@
     "@v-ed/prettier-config": "0.1.1",
     "@v-ed/tsconfig": "0.2.0",
     "c8": "7.11.3",
-    "eslint": "8.18.0",
+    "eslint": "8.19.0",
     "npm-run-all": "4.1.5",
-    "pkgroll": "1.3.1",
     "prettier": "2.7.1",
+    "tsup": "6.1.3",
     "typescript": "4.7.4",
+    "unbuild": "0.7.4",
     "vite-tsconfig-paths": "3.5.0",
-    "vitest": "0.16.0"
+    "vitest": "0.18.0"
   },
   "dependencies": {
     "recursive-readdir": "^2.2.2"