Change to use export map

Author: wooorm

package.json

@@ -24,8 +24,7 @@
   ],
   "sideEffects": false,
   "type": "module",
-  "main": "index.js",
-  "types": "index.d.ts",
+  "exports": "./index.js",
   "files": [
     "lib/",
     "index.d.ts",

test.js

@@ -1,6 +1,6 @@
 import assert from 'node:assert/strict'
 import test from 'node:test'
-import {pointEnd, pointStart, position} from './index.js'
+import {pointEnd, pointStart, position} from 'unist-util-position'
 
 const properties = {
   type: 'a',
@@ -18,7 +18,7 @@ const noPosition = {type: 'd'}
 
 test('core', async function (t) {
   await t.test('should expose the public api', async function () {
-    assert.deepEqual(Object.keys(await import('./index.js')).sort(), [
+    assert.deepEqual(Object.keys(await import('unist-util-position')).sort(), [
       'pointEnd',
       'pointStart',
       'position'