fix: add esm/cjs support

package.json

@@ -25,13 +25,26 @@
     "Amila Welihinda <[email protected]> (https://github.com/amilajack)",
     "John Tran <[email protected]> (https://github.com/jooohhn)"
   ],
-  "main": "lib/index.js",
+  "main": "./lib/cjs/src/index.js",
+  "types": "./lib/cjs/src/index.d.ts",
+  "exports": {
+    ".": {
+      "import": {
+        "types": "./lib/esm//src/index.d.mts",
+        "default": "./lib/esm/src/index.js"
+      },
+      "require": {
+        "types": "./lib/cjs/src/index.d.ts",
+        "default": "./lib/cjs/src/index.js"
+      }
+    }
+  },
   "files": [
     "lib"
   ],
   "scripts": {
     "benchmarks": "ts-node-transpile-only test/benchmarks.ts",
-    "build": "rm -rf lib && tsc --project tsconfig.build.json",
+    "build": "rm -rf lib && tsc --project tsconfig.build.json && tsc --project tsconfig.esm.json",
     "lint": "eslint --ignore-path .gitignore --ext .js,.ts .",
     "spec": "jest --testPathIgnorePatterns test/e2e-repo.spec.ts /benchmarks-tmp",
     "spec:e2e": "jest test/e2e-repo.spec.ts",

tsconfig.build.json

@@ -1,7 +1,7 @@
 {
   "extends": "./tsconfig.json",
   "compilerOptions": {
-    "rootDir": "./src"
+    "outDir": "lib/cjs"
   },
   "include": ["src"]
 }

tsconfig.esm.json

@@ -0,0 +1,8 @@
+{
+  "extends": "./tsconfig.build.json",
+  "compilerOptions": {
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext",
+    "outDir": "lib/esm"
+  }
+}

tsconfig.json

@@ -1,7 +1,7 @@
 {
   "extends": "@tsconfig/node16",
   "compilerOptions": {
-    "outDir": "lib",
+    "outDir": "lib/esm",
     "declaration": true,
     "resolveJsonModule": true,
     "esModuleInterop": true