Change to use ESM

Author: wooorm

README.md

@@ -13,8 +13,8 @@ npm install --save unist-util-find
 ### Example
 
 ```js
-var remark = require('remark')
-var find = require('unist-util-find')
+import {remark} from 'remark'
+import {find} from 'unist-util-find'
 
 remark()
   .use(function () {

index.js

@@ -15,10 +15,8 @@
  *   Finds first node for which function returns true when passed node as argument.
  */
 
-const visit = require('unist-util-visit')
-const iteratee = require('lodash.iteratee')
-
-module.exports = find
+import visit from 'unist-util-visit'
+import iteratee from 'lodash.iteratee'
 
 /**
  * Unist node finder utility.
@@ -32,7 +30,7 @@ module.exports = find
  * @returns {V | undefined}
  *   The first node that matches condition, or `undefined` if no node matches.
  */
-function find(tree, condition) {
+export function find(tree, condition) {
   if (!tree) throw new Error('unist-util-find requires a tree to search')
   if (!condition) throw new Error('unist-util-find requires a condition')
 

package.json

@@ -3,21 +3,21 @@
   "version": "1.0.4",
   "description": "Unist node finder utility. Useful for working with remark, rehype and retext.",
   "repository": "https://github.com/blahah/unist-util-find",
+  "sideEffects": false,
+  "type": "module",
   "main": "index.js",
   "types": "index.d.ts",
   "files": [
     "index.d.ts",
     "index.js"
   ],
-  "sideEffects": false,
   "scripts": {
     "prepack": "npm run build && npm run format",
     "build": "tsc --build --clean && tsc --build && type-coverage",
     "format": "prettier . -w --loglevel warn && xo --fix",
     "test-api": "node --conditions development test.js",
     "test": "npm run build && npm run format && npm run test-api"
   },
-  "type": "commonjs",
   "keywords": [
     "unist",
     "remark",
@@ -62,9 +62,6 @@
     "strict": true
   },
   "xo": {
-    "rules": {
-      "unicorn/prefer-module": "off"
-    },
     "prettier": true
   }
 }

test.js

@@ -2,10 +2,10 @@
  * @typedef {import('mdast').Root} Root
  */
 
-const assert = require('node:assert/strict')
-const test = require('tape')
-const remark = require('remark')
-const find = require('./index.js')
+import assert from 'node:assert/strict'
+import test from 'tape'
+import remark from 'remark'
+import {find} from './index.js'
 
 test('unist-find', function (t) {
   const tree = /** @type {Root} */ (