Refactor code-style

index.js

@@ -12,8 +12,8 @@
  * @param {Options} [options]
  * @returns {string}
  */
-export function toString(node, options) {
-  var {includeImageAlt = true} = options || {}
+export function toString(node, options = {}) {
+  const {includeImageAlt = true} = options
   return one(node, includeImageAlt)
 }
 
@@ -44,8 +44,8 @@ function one(node, includeImageAlt) {
  */
 function all(values, includeImageAlt) {
   /** @type {Array.<string>} */
-  var result = []
-  var index = -1
+  const result = []
+  let index = -1
 
   while (++index < values.length) {
     result[index] = one(values[index], includeImageAlt)

package.json

@@ -61,11 +61,7 @@
     "trailingComma": "none"
   },
   "xo": {
-    "prettier": true,
-    "rules": {
-      "no-var": "off",
-      "prefer-arrow-callback": "off"
-    }
+    "prettier": true
   },
   "remarkConfig": {
     "plugins": [

readme.md

@@ -24,11 +24,11 @@ npm install mdast-util-to-string
 ## Use
 
 ```js
-import unified from 'unified'
+import {unified} from 'unified'
 import remarkParse from 'remark-parse'
 import {toString} from 'mdast-util-to-string'
 
-var tree = unified()
+const tree = unified()
   .use(remarkParse)
   .parse('Some _emphasis_, **importance**, and `code`.')
 

test.js

@@ -1,7 +1,7 @@
 import test from 'tape'
 import {toString} from './index.js'
 
-test('toString', function (t) {
+test('toString', (t) => {
   t.equal(toString(), '', 'should not fail on a missing node')
   t.equal(toString(null), '', 'should not fail on `null` missing node')