package.json, tsconfig: remove common.js support. Pure ESM now

package.json

@@ -4,7 +4,6 @@
   "description": "Minimal, auditable JS implementation of elliptic curve cryptography",
   "files": [
     "abstract",
-    "esm",
     "src",
     "*.js",
     "*.js.map",
@@ -13,7 +12,8 @@
   ],
   "scripts": {
     "bench": "cd benchmark; node secp256k1.js; node curves.js; node ecdh.js; node stark.js; node bls.js",
-    "build": "tsc && tsc -p tsconfig.esm.json",
+    "build": "tsc",
+    "build:clean": "rm *.{js,d.ts,js.map} esm/*.{js,js.map} 2> /dev/null",
     "build:release": "rollup -c rollup.config.js",
     "lint": "prettier --check 'src/**/*.{js,ts}' 'test/*.js'",
     "format": "prettier --write 'src/**/*.{js,ts}' 'test/*.js'",
@@ -40,120 +40,98 @@
     "typescript": "4.7.3"
   },
   "main": "index.js",
+  "type": "module",
   "exports": {
     ".": {
       "types": "./index.d.ts",
-      "import": "./esm/index.js",
       "default": "./index.js"
     },
     "./abstract/edwards": {
       "types": "./abstract/edwards.d.ts",
-      "import": "./esm/abstract/edwards.js",
       "default": "./abstract/edwards.js"
     },
     "./abstract/modular": {
       "types": "./abstract/modular.d.ts",
-      "import": "./esm/abstract/modular.js",
       "default": "./abstract/modular.js"
     },
     "./abstract/montgomery": {
       "types": "./abstract/montgomery.d.ts",
-      "import": "./esm/abstract/montgomery.js",
       "default": "./abstract/montgomery.js"
     },
     "./abstract/weierstrass": {
       "types": "./abstract/weierstrass.d.ts",
-      "import": "./esm/abstract/weierstrass.js",
       "default": "./abstract/weierstrass.js"
     },
     "./abstract/bls": {
       "types": "./abstract/bls.d.ts",
-      "import": "./esm/abstract/bls.js",
       "default": "./abstract/bls.js"
     },
     "./abstract/hash-to-curve": {
       "types": "./abstract/hash-to-curve.d.ts",
-      "import": "./esm/abstract/hash-to-curve.js",
       "default": "./abstract/hash-to-curve.js"
     },
     "./abstract/curve": {
       "types": "./abstract/curve.d.ts",
-      "import": "./esm/abstract/curve.js",
       "default": "./abstract/curve.js"
     },
     "./abstract/utils": {
       "types": "./abstract/utils.d.ts",
-      "import": "./esm/abstract/utils.js",
       "default": "./abstract/utils.js"
     },
     "./abstract/poseidon": {
       "types": "./abstract/poseidon.d.ts",
-      "import": "./esm/abstract/poseidon.js",
       "default": "./abstract/poseidon.js"
     },
     "./_shortw_utils": {
       "types": "./_shortw_utils.d.ts",
-      "import": "./esm/_shortw_utils.js",
       "default": "./_shortw_utils.js"
     },
     "./bls12-381": {
       "types": "./bls12-381.d.ts",
-      "import": "./esm/bls12-381.js",
       "default": "./bls12-381.js"
     },
     "./bn": {
       "types": "./bn.d.ts",
-      "import": "./esm/bn.js",
       "default": "./bn.js"
     },
     "./ed25519": {
       "types": "./ed25519.d.ts",
-      "import": "./esm/ed25519.js",
       "default": "./ed25519.js"
     },
     "./ed448": {
       "types": "./ed448.d.ts",
-      "import": "./esm/ed448.js",
       "default": "./ed448.js"
     },
     "./index": {
       "types": "./index.d.ts",
-      "import": "./esm/index.js",
       "default": "./index.js"
     },
     "./jubjub": {
       "types": "./jubjub.d.ts",
-      "import": "./esm/jubjub.js",
       "default": "./jubjub.js"
     },
     "./p256": {
       "types": "./p256.d.ts",
-      "import": "./esm/p256.js",
       "default": "./p256.js"
     },
     "./p384": {
       "types": "./p384.d.ts",
-      "import": "./esm/p384.js",
       "default": "./p384.js"
     },
     "./p521": {
       "types": "./p521.d.ts",
-      "import": "./esm/p521.js",
       "default": "./p521.js"
     },
     "./pasta": {
       "types": "./pasta.d.ts",
-      "import": "./esm/pasta.js",
       "default": "./pasta.js"
     },
     "./secp256k1": {
       "types": "./secp256k1.d.ts",
-      "import": "./esm/secp256k1.js",
       "default": "./secp256k1.js"
     },
     "./stark": {
       "types": "./stark.d.ts",
-      "import": "./esm/stark.js",
       "default": "./stark.js"
     }
   },

tsconfig.esm.json

@@ -1,20 +0,0 @@
-{
-    "compilerOptions": {
-        "strict": true,
-        "outDir": "esm",
-        "target": "es2020",
-        "module": "es6",
-        "moduleResolution": "node16",
-        "noUnusedLocals": true,
-        "sourceMap": true,
-        "baseUrl": ".",
-        "paths": {
-            "@noble/hashes/crypto": [ "src/crypto" ]
-        },
-    },
-    "include": ["src"],
-    "exclude": [
-        "node_modules",
-        "lib",
-    ],
-}

tsconfig.json

@@ -3,12 +3,12 @@
         "strict": true,
         "declaration": true,
         "declarationMap": true,
+        "sourceMap": true,
         "outDir": ".",
         "target": "es2020",
         "lib": ["es2020"], // Set explicitly to remove DOM
-        "sourceMap": true,
-        "module": "commonjs",
-        "moduleResolution": "node",
+        "module": "es6",
+        "moduleResolution": "node16",
         "noUnusedLocals": true,
         "baseUrl": ".",
     },