Use ESM

index.js

@@ -1,6 +1,6 @@
-const isUrl = require('is-url')
-const visit = require('unist-util-visit-parents')
-const convert = require('unist-util-is/convert')
+import isUrl from 'is-url'
+import visit from 'unist-util-visit-parents'
+import convert from 'unist-util-is/convert.js'
 
 const isImgExt = (value) => /\.(svg|png|jpg|jpeg|gif)$/.test(value)
 const isAbsolutePath = (value) => value.startsWith('/')
@@ -9,9 +9,7 @@ const isRelativePath = (value) =>
 const isImgPath = (value) => isAbsolutePath(value) || isRelativePath(value)
 const isInteractive = convert(['link', 'linkReference'])
 
-module.exports = images
-
-function images() {
+export default function remarkImages() {
   return transform
 }
 

package.json

@@ -31,6 +31,9 @@
     "Titus Wormer <[email protected]> (https://wooorm.com)",
     "Mathias Beugnon <[email protected]>"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
@@ -64,7 +67,10 @@
   },
   "xo": {
     "prettier": true,
-    "esnext": false
+    "rules": {
+      "no-var": "off",
+      "prefer-arrow-callback": "off"
+    }
   },
   "remarkConfig": {
     "plugins": [

test.js

@@ -1,44 +1,44 @@
-var remark = require('remark')
-var test = require('tape')
-var images = require('.')
+import test from 'tape'
+import remark from 'remark'
+import remarkImages from './index.js'
 
-test('remark-images', function (t) {
+test('remarkImages', function (t) {
   t.equal(
-    remark().use(images).processSync('<https://example.com>').toString(),
+    remark().use(remarkImages).processSync('<https://example.com>').toString(),
     '<https://example.com>\n',
     'should not support non-image URLs'
   )
 
   t.equal(
     remark()
-      .use(images)
+      .use(remarkImages)
       .processSync('https://example.com/example.jpg')
       .toString(),
     '[![](https://example.com/example.jpg)](https://example.com/example.jpg)\n',
     'should support absolute URLs to images'
   )
 
   t.equal(
-    remark().use(images).processSync('/example.jpg').toString(),
+    remark().use(remarkImages).processSync('/example.jpg').toString(),
     '[![](/example.jpg)](/example.jpg)\n',
     'should support absolute paths to images'
   )
 
   t.equal(
-    remark().use(images).processSync('./example.jpg').toString(),
+    remark().use(remarkImages).processSync('./example.jpg').toString(),
     '[![](./example.jpg)](./example.jpg)\n',
     'should support relative paths to images'
   )
 
   t.equal(
-    remark().use(images).processSync('../example.jpg').toString(),
+    remark().use(remarkImages).processSync('../example.jpg').toString(),
     '[![](../example.jpg)](../example.jpg)\n',
     'should support very relative paths to images'
   )
 
   t.equal(
     remark()
-      .use(images)
+      .use(remarkImages)
       .processSync('<https://example.com/example.jpg>')
       .toString(),
     '[![](https://example.com/example.jpg)](https://example.com/example.jpg)\n',
@@ -47,7 +47,7 @@ test('remark-images', function (t) {
 
   t.equal(
     remark()
-      .use(images)
+      .use(remarkImages)
       .processSync(
         '[https://example.com/alpha.jpg](https://example.com/bravo.jpg)'
       )
@@ -58,7 +58,7 @@ test('remark-images', function (t) {
 
   t.equal(
     remark()
-      .use(images)
+      .use(remarkImages)
       .processSync(
         '[https://example.com/alpha.jpg][1]\n\n[1]: https://example.com/bravo.jpg'
       )
@@ -69,7 +69,7 @@ test('remark-images', function (t) {
 
   t.equal(
     remark()
-      .use(images)
+      .use(remarkImages)
       .processSync('**https://example.com/alpha.jpg**')
       .toString(),
     '**[![](https://example.com/alpha.jpg)](https://example.com/alpha.jpg)**\n',
@@ -78,7 +78,7 @@ test('remark-images', function (t) {
 
   t.equal(
     remark()
-      .use(images)
+      .use(remarkImages)
       .processSync(
         '[**https://example.com/alpha.jpg**](https://example.com/bravo.jpg)'
       )