Remove Common JS build, only support modules

Author: chris-pardy

examples/package.json

@@ -2,7 +2,7 @@
   "name": "json-rules-engine-examples",
   "version": "1.0.0",
   "description": "examples for json-rule-engine",
-  "main": "",
+  "type": "module",
   "private": true,
   "scripts": {
     "all": "for i in *.mts; do tsx $i; done;"

package.json

@@ -2,10 +2,13 @@
   "name": "json-rules-engine",
   "version": "8.0.0-alpha.1",
   "description": "Rules Engine expressed in simple json",
-  "main": "dist/index.cjs",
-  "module": "dist/index.js",
   "types": "types/index.d.ts",
   "type": "module",
+  "exports": {
+    ".": {
+      "import": "./dist/index.js"
+    }
+  },
   "engines": {
     "node": ">=18.0.0"
   },

tsup.config.ts

@@ -3,7 +3,6 @@ import { defineConfig } from "tsup";
 export default defineConfig({
   entry: ["src/index.mjs"],
   sourcemap: true,
-  format: ["esm", "cjs"],
-  target: ["es2015"],
-  cjsInterop: true,
+  format: ["esm"],
+  target: ["node18"]
 });