setup(esm): put it as first

README.md

@@ -1,4 +1,5 @@
 # vec3
+
 [![NPM version](https://img.shields.io/npm/v/vec3.svg)](http://npmjs.com/package/vec3)
 [![Build Status](https://github.com/PrismarineJS/node-vec3/workflows/CI/badge.svg)](https://github.com/PrismarineJS/node-vec3/actions?query=workflow%3A%22CI%22)
 
@@ -7,20 +8,21 @@
 ## Usage
 
 ```js
-var v = require('vec3');
+import { v, Vec3 } from 'vec3'
 
-var v1 = v(1, 2, 3);
+const v1 = v(1, 2, 3);
 console.log(v1); // prints "(1, 2, 3)"
-var v2 = v1.offset(0, 0, 1);
+const v2 = v1.offset(0, 0, 1);
 console.log(v2); // prints "(1, 2, 4)"
+
+const v3 = new Vec3(0, 1, 2);
 ```
 
-Or:
+Or _if you prefer_ CommonJS:
 
 ```js
-var Vec3 = require('vec3').Vec3;
-
-var v1 = new Vec3(1, 2, 3);
+const v = require('vec3')
+const Vec3 = v.Vec3
 // etc...
 ```
 

index.js

@@ -265,5 +265,7 @@ function euclideanMod (numerator, denominator) {
   return result < 0 ? result + denominator : result
 }
 
-module.exports = v
 v.Vec3 = Vec3
+export default v // So that import v from 'vec3' works.
+export { v as 'module.exports' } // So that const v = require('vec3') works.
+export { Vec3, v } // So that import { Vec3, v } from 'vec3' and const { Vec3, v } = require('vec3') work.

package.json

@@ -1,9 +1,10 @@
 {
   "name": "vec3",
-  "version": "0.1.10",
+  "version": "0.1.11",
   "description": "3d vector math with good unit tests",
   "main": "index.js",
   "types": "index.d.ts",
+  "type": "module",
   "scripts": {
     "test": "npm run test-js && npm run test-types",
     "test-js": "mocha --reporter spec",
@@ -15,24 +16,18 @@
   "keywords": [
     "point"
   ],
-  "exports": {
-    "types": "./index.d.ts",
-    "require": "./index.js",
-    "import": "./wrapper.mjs"
-  },
   "author": "Andrew Kelley",
   "license": "BSD",
   "devDependencies": {
     "mocha": "^11.0.1",
     "standard": "^17.0.0",
     "tsd": "^0.25.0"
   },
-  "dependencies": {},
   "tsd": {
     "directory": "test"
   },
   "repository": {
     "type": "git",
     "url": "https://github.com/PrismarineJS/node-vec3.git"
   }
-}
+}

test/index.test-d.ts

@@ -1,5 +1,5 @@
 import { expectType } from "tsd";
-import vec3, { Vec3 } from "..";
+import vec3, { Vec3 } from "../";
 
 const vec = vec3([1, 2, 3]);
 expectType<Vec3>(vec);

test/test.js

@@ -1,10 +1,9 @@
 /* eslint-env mocha */
 
-const v = require('../')
-const Vec3 = v.Vec3
-const assert = require('assert')
+import assert from 'node:assert'
+import { v, Vec3 } from '../index.js'
 
-describe('v()', function () {
+describe('v() esm', function () {
   it('no args', function () {
     const v1 = v()
     assert.strictEqual(v1.x, 0)
@@ -51,7 +50,8 @@ describe('v()', function () {
     }, /cannot parse/)
   })
 })
-describe('vec3', function () {
+
+describe('vec3 esm', function () {
   it('isZero', function () {
     const v1 = new Vec3(0, 1, 2)
     const v2 = new Vec3(0, 0, 0)