Use ESM

index.js

@@ -1,11 +1,7 @@
-'use strict'
+import doctypes from 'doctype'
+import h from 'hastscript'
 
-var doctypes = require('doctype')
-var h = require('hastscript')
-
-module.exports = document
-
-function document(options) {
+export default function document(options) {
   var settings = options || {}
   var meta = cast(settings.meta)
   var link = cast(settings.link)

package.json

@@ -25,11 +25,12 @@
   "contributors": [
     "Titus Wormer <[email protected]> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
-    "index.js",
-    "types/index.d.ts"
+    "index.js"
   ],
-  "types": "types/index.d.ts",
   "dependencies": {
     "@types/hast": "^2.0.0",
     "doctype": "^2.0.0",
@@ -63,6 +64,10 @@
   "xo": {
     "prettier": true,
     "esnext": false,
+    "rules": {
+      "no-var": "off",
+      "prefer-arrow-callback": "off"
+    },
     "ignores": [
       "**/*.ts"
     ]

test.js

@@ -1,8 +1,6 @@
-'use strict'
-
-var test = require('tape')
-var rehype = require('rehype')
-var document = require('.')
+import test from 'tape'
+import rehype from 'rehype'
+import document from './index.js'
 
 test('document()', function (t) {
   t.equal(