Refactor code-style

Author: wooorm

index.js

@@ -6,15 +6,15 @@
 
 import {visit} from 'unist-util-visit'
 
-var own = {}.hasOwnProperty
+const own = {}.hasOwnProperty
 
 /**
  *
  * @param {Node} node
  */
 export function definitions(node) {
   /** @type {Object.<string, Definition>} */
-  var cache = Object.create(null)
+  const cache = Object.create(null)
 
   if (!node || !node.type) {
     throw new Error('mdast-util-definitions expected node')
@@ -26,7 +26,7 @@ export function definitions(node) {
 
   /** @type {DefinitionVisitor} */
   function ondefinition(definition) {
-    var id = clean(definition.identifier)
+    const id = clean(definition.identifier)
     if (id && !own.call(cache, id)) {
       cache[id] = definition
     }
@@ -39,7 +39,7 @@ export function definitions(node) {
    * @returns {Definition|null}
    */
   function getDefinition(identifier) {
-    var id = clean(identifier)
+    const id = clean(identifier)
     return id && own.call(cache, id) ? cache[id] : null
   }
 }

package.json

@@ -71,9 +71,7 @@
   "xo": {
     "prettier": true,
     "rules": {
-      "capitalized-comments": "off",
-      "no-var": "off",
-      "prefer-arrow-callback": "off"
+      "capitalized-comments": "off"
     }
   },
   "remarkConfig": {

readme.md

@@ -26,12 +26,12 @@ npm install mdast-util-definitions
 ## Use
 
 ```js
-import remark from 'remark'
+import {remark} from 'remark'
 import {definitions} from 'mdast-util-definitions'
 
-var tree = remark().parse('[example]: https://example.com "Example"')
+const tree = remark().parse('[example]: https://example.com "Example"')
 
-var definition = definitions(tree)
+const definition = definitions(tree)
 
 definition('example')
 // => {type: 'definition', 'title': 'Example', …}

test.js

@@ -6,12 +6,12 @@ import test from 'tape'
 import remark from 'remark'
 import {definitions} from './index.js'
 
-test('mdast-util-definitions', function (t) {
+test('mdast-util-definitions', (t) => {
   /** @type {Node} */
-  var tree
+  let tree
 
   t.throws(
-    function () {
+    () => {
       // @ts-ignore runtime
       definitions()
     },