Change to use export map

Author: wooorm

package.json

@@ -34,8 +34,7 @@
   ],
   "sideEffects": false,
   "type": "module",
-  "main": "index.js",
-  "types": "index.d.ts",
+  "exports": "./index.js",
   "files": [
     "lib/",
     "index.d.ts",

test.js

@@ -9,8 +9,8 @@
 import assert from 'node:assert/strict'
 import test from 'node:test'
 import {u} from 'unist-builder'
+import {Index} from 'unist-util-index'
 import {select} from 'unist-util-select'
-import {Index} from './index.js'
 
 test('core', async function (t) {
   await t.test('should expose the public api', async function () {