Refactor code-style

Author: wooorm

index.js

@@ -44,7 +44,7 @@ function enterFootnoteDefinitionLabelString() {
 }
 
 function exitFootnoteDefinitionLabelString(token) {
-  var label = this.resume()
+  const label = this.resume()
   this.stack[this.stack.length - 1].label = label
   this.stack[this.stack.length - 1].identifier = normalizeIdentifier(
     this.sliceSerialize(token)
@@ -64,7 +64,7 @@ function enterFootnoteCallString() {
 }
 
 function exitFootnoteCallString(token) {
-  var label = this.resume()
+  const label = this.resume()
   this.stack[this.stack.length - 1].label = label
   this.stack[this.stack.length - 1].identifier = normalizeIdentifier(
     this.sliceSerialize(token)
@@ -84,9 +84,9 @@ function exitNote(token) {
 }
 
 function footnoteReference(node, _, context) {
-  var exit = context.enter('footnoteReference')
-  var subexit = context.enter('reference')
-  var reference = safe(context, association(node), {before: '^', after: ']'})
+  const exit = context.enter('footnoteReference')
+  const subexit = context.enter('reference')
+  const reference = safe(context, association(node), {before: '^', after: ']'})
   subexit()
   exit()
   return '[^' + reference + ']'
@@ -97,9 +97,9 @@ function footnoteReferencePeek() {
 }
 
 function footnote(node, _, context) {
-  var exit = context.enter('footnote')
-  var subexit = context.enter('label')
-  var value = '^[' + phrasing(node, context, {before: '[', after: ']'}) + ']'
+  const exit = context.enter('footnote')
+  const subexit = context.enter('label')
+  const value = '^[' + phrasing(node, context, {before: '[', after: ']'}) + ']'
   subexit()
   exit()
   return value
@@ -110,14 +110,12 @@ function footnotePeek() {
 }
 
 function footnoteDefinition(node, _, context) {
-  var exit = context.enter('footnoteDefinition')
-  var subexit = context.enter('label')
-  var label =
+  const exit = context.enter('footnoteDefinition')
+  const subexit = context.enter('label')
+  const label =
     '[^' + safe(context, association(node), {before: '^', after: ']'}) + ']:'
-  var value
   subexit()
-
-  value = indentLines(flow(node, context), map)
+  const value = indentLines(flow(node, context), map)
   exit()
 
   return value

package.json

@@ -60,11 +60,7 @@
     "trailingComma": "none"
   },
   "xo": {
-    "prettier": true,
-    "rules": {
-      "no-var": "off",
-      "prefer-arrow-callback": "off"
-    }
+    "prettier": true
   },
   "remarkConfig": {
     "plugins": [

test.js

@@ -4,7 +4,7 @@ import toMarkdown from 'mdast-util-to-markdown'
 import footnote from 'micromark-extension-footnote'
 import {footnoteFromMarkdown, footnoteToMarkdown} from './index.js'
 
-test('markdown -> mdast', function (t) {
+test('markdown -> mdast', (t) => {
   t.deepEqual(
     fromMarkdown('[^a]: b\nc\n\n    d', {
       extensions: [footnote()],
@@ -163,7 +163,7 @@ test('markdown -> mdast', function (t) {
   t.end()
 })
 
-test('mdast -> markdown', function (t) {
+test('mdast -> markdown', (t) => {
   t.deepEqual(
     toMarkdown(
       {type: 'footnoteReference', identifier: 'a'},