diff --git a/.remarkrc.js b/.remarkrc.js
index 10357df2..3eed5fff 100644
--- a/.remarkrc.js
+++ b/.remarkrc.js
@@ -1,11 +1,25 @@
-exports.plugins = [
-  require('./packages/remark-preset-lint-recommended'),
-  require('./packages/remark-preset-lint-consistent'),
-  [require('remark-toc'), {tight: true, maxDepth: 2, heading: 'contents'}],
-  require('remark-comment-config'),
-  [require('remark-gfm'), {tablePipeAlign: false}],
-  require('remark-github'),
-  require('remark-validate-links'),
-  require('./script/plugin/list-of-presets'),
-  require('./script/plugin/list-of-rules')
+import remarkPresetLintRecommended from './packages/remark-preset-lint-recommended/index.js'
+import remarkPresetLintConsistent from './packages/remark-preset-lint-consistent/index.js'
+import remarkToc from 'remark-toc'
+import remarkCommentConfig from 'remark-comment-config'
+import remarkGfm from 'remark-gfm'
+import remarkGithub from 'remark-github'
+import remarkValidateLinks from 'remark-validate-links'
+import listOfPresets from './script/plugin/list-of-presets.js'
+import listOfRules from './script/plugin/list-of-rules.js'
+
+const plugins = [
+  remarkPresetLintRecommended,
+  remarkPresetLintConsistent,
+  [remarkToc, {tight: true, maxDepth: 2, heading: 'contents'}],
+  remarkCommentConfig,
+  [remarkGfm, {tablePipeAlign: false}],
+  remarkGithub,
+  remarkValidateLinks,
+  listOfPresets,
+  listOfRules
 ]
+
+const preset = {plugins}
+
+export default preset
diff --git a/package.json b/package.json
index c265b417..713dfa52 100644
--- a/package.json
+++ b/package.json
@@ -31,6 +31,7 @@
     "David Chambers <dc@davidchambers.me>",
     "Denis Augsburger <denis.augsburger@simpleen.io> (https://simpleen.io)"
   ],
+  "type": "module",
   "devDependencies": {
     "c8": "^7.0.0",
     "dox": "^0.9.0",
diff --git a/packages/remark-lint-blockquote-indentation/index.js b/packages/remark-lint-blockquote-indentation/index.js
index f8e46ec2..c537b96d 100644
--- a/packages/remark-lint-blockquote-indentation/index.js
+++ b/packages/remark-lint-blockquote-indentation/index.js
@@ -45,19 +45,19 @@
  *   9:3: Add 1 space between block quote and content
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import plural from 'pluralize'
+import visit from 'unist-util-visit'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var plural = require('pluralize')
-var visit = require('unist-util-visit')
-var position = require('unist-util-position')
-var generated = require('unist-util-generated')
-
-module.exports = rule(
+const remarkLintBlockquoteIndentation = lintRule(
   'remark-lint:blockquote-indentation',
   blockquoteIndentation
 )
 
+export default remarkLintBlockquoteIndentation
+
 function blockquoteIndentation(tree, file, option) {
   var preferred = typeof option === 'number' && !isNaN(option) ? option : null
 
diff --git a/packages/remark-lint-blockquote-indentation/package.json b/packages/remark-lint-blockquote-indentation/package.json
index dc336eb9..bc7a5829 100644
--- a/packages/remark-lint-blockquote-indentation/package.json
+++ b/packages/remark-lint-blockquote-indentation/package.json
@@ -22,6 +22,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-checkbox-character-style/index.js b/packages/remark-lint-checkbox-character-style/index.js
index 0b21b8e7..8cf0a8f9 100644
--- a/packages/remark-lint-checkbox-character-style/index.js
+++ b/packages/remark-lint-checkbox-character-style/index.js
@@ -69,18 +69,18 @@
  *   1:1: Incorrect checked checkbox marker `💩`: use either `'x'`, or `'X'`
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var position = require('unist-util-position')
-var generated = require('unist-util-generated')
-
-module.exports = rule(
+const remarkLintCheckboxCharacterStyle = lintRule(
   'remark-lint:checkbox-character-style',
   checkboxCharacterStyle
 )
 
+export default remarkLintCheckboxCharacterStyle
+
 var start = position.start
 var end = position.end
 
diff --git a/packages/remark-lint-checkbox-character-style/package.json b/packages/remark-lint-checkbox-character-style/package.json
index 832c644a..9001ad8a 100644
--- a/packages/remark-lint-checkbox-character-style/package.json
+++ b/packages/remark-lint-checkbox-character-style/package.json
@@ -23,6 +23,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-checkbox-content-indent/index.js b/packages/remark-lint-checkbox-content-indent/index.js
index a7e756f8..71e39d59 100644
--- a/packages/remark-lint-checkbox-content-indent/index.js
+++ b/packages/remark-lint-checkbox-content-indent/index.js
@@ -27,19 +27,19 @@
  *   4:7-4:10: Checkboxes should be followed by a single character
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import vfileLocation from 'vfile-location'
+import visit from 'unist-util-visit'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var vfileLocation = require('vfile-location')
-var visit = require('unist-util-visit')
-var position = require('unist-util-position')
-var generated = require('unist-util-generated')
-
-module.exports = rule(
+const remarkLintCheckboxContentIndent = lintRule(
   'remark-lint:checkbox-content-indent',
   checkboxContentIndent
 )
 
+export default remarkLintCheckboxContentIndent
+
 var start = position.start
 var end = position.end
 
diff --git a/packages/remark-lint-checkbox-content-indent/package.json b/packages/remark-lint-checkbox-content-indent/package.json
index ffde9cd6..205cf344 100644
--- a/packages/remark-lint-checkbox-content-indent/package.json
+++ b/packages/remark-lint-checkbox-content-indent/package.json
@@ -23,6 +23,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-code-block-style/index.js b/packages/remark-lint-code-block-style/index.js
index 3fbdeb5a..69962d36 100644
--- a/packages/remark-lint-code-block-style/index.js
+++ b/packages/remark-lint-code-block-style/index.js
@@ -92,14 +92,17 @@
  *   1:1: Incorrect code block style `💩`: use either `'consistent'`, `'fenced'`, or `'indented'`
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var position = require('unist-util-position')
-var generated = require('unist-util-generated')
+const remarkLintCodeBlockStyle = lintRule(
+  'remark-lint:code-block-style',
+  codeBlockStyle
+)
 
-module.exports = rule('remark-lint:code-block-style', codeBlockStyle)
+export default remarkLintCodeBlockStyle
 
 var start = position.start
 var end = position.end
diff --git a/packages/remark-lint-code-block-style/package.json b/packages/remark-lint-code-block-style/package.json
index 6de94559..904a0932 100644
--- a/packages/remark-lint-code-block-style/package.json
+++ b/packages/remark-lint-code-block-style/package.json
@@ -21,6 +21,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-definition-case/index.js b/packages/remark-lint-definition-case/index.js
index 13693125..ea368a3b 100644
--- a/packages/remark-lint-definition-case/index.js
+++ b/packages/remark-lint-definition-case/index.js
@@ -19,14 +19,17 @@
  *   1:1-1:47: Do not use uppercase characters in definition labels
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var position = require('unist-util-position')
-var generated = require('unist-util-generated')
+const remarkLintDefinitionCase = lintRule(
+  'remark-lint:definition-case',
+  definitionCase
+)
 
-module.exports = rule('remark-lint:definition-case', definitionCase)
+export default remarkLintDefinitionCase
 
 var label = /^\s*\[((?:\\[\s\S]|[^[\]])+)]/
 var reason = 'Do not use uppercase characters in definition labels'
diff --git a/packages/remark-lint-definition-case/package.json b/packages/remark-lint-definition-case/package.json
index 20548972..01925ea5 100644
--- a/packages/remark-lint-definition-case/package.json
+++ b/packages/remark-lint-definition-case/package.json
@@ -21,6 +21,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-definition-spacing/index.js b/packages/remark-lint-definition-spacing/index.js
index 3a6eb365..ba9e71d8 100644
--- a/packages/remark-lint-definition-spacing/index.js
+++ b/packages/remark-lint-definition-spacing/index.js
@@ -19,14 +19,17 @@
  *   1:1-1:57: Do not use consecutive whitespace in definition labels
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var position = require('unist-util-position')
-var generated = require('unist-util-generated')
+const remarkLintDefinitionSpacing = lintRule(
+  'remark-lint:definition-spacing',
+  definitionSpacing
+)
 
-module.exports = rule('remark-lint:definition-spacing', definitionSpacing)
+export default remarkLintDefinitionSpacing
 
 var label = /^\s*\[((?:\\[\s\S]|[^[\]])+)]/
 var reason = 'Do not use consecutive whitespace in definition labels'
diff --git a/packages/remark-lint-definition-spacing/package.json b/packages/remark-lint-definition-spacing/package.json
index 946fe0ea..5bbc2b18 100644
--- a/packages/remark-lint-definition-spacing/package.json
+++ b/packages/remark-lint-definition-spacing/package.json
@@ -21,6 +21,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-emphasis-marker/index.js b/packages/remark-lint-emphasis-marker/index.js
index ba3fe9a3..15158042 100644
--- a/packages/remark-lint-emphasis-marker/index.js
+++ b/packages/remark-lint-emphasis-marker/index.js
@@ -60,14 +60,17 @@
  *   1:1: Incorrect emphasis marker `💩`: use either `'consistent'`, `'*'`, or `'_'`
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var position = require('unist-util-position')
-var generated = require('unist-util-generated')
+const remarkLintEmphasisMarker = lintRule(
+  'remark-lint:emphasis-marker',
+  emphasisMarker
+)
 
-module.exports = rule('remark-lint:emphasis-marker', emphasisMarker)
+export default remarkLintEmphasisMarker
 
 var markers = {null: true, '*': true, _: true}
 
diff --git a/packages/remark-lint-emphasis-marker/package.json b/packages/remark-lint-emphasis-marker/package.json
index b801352e..c8139512 100644
--- a/packages/remark-lint-emphasis-marker/package.json
+++ b/packages/remark-lint-emphasis-marker/package.json
@@ -21,6 +21,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-fenced-code-flag/index.js b/packages/remark-lint-fenced-code-flag/index.js
index 9e13f837..805ca933 100644
--- a/packages/remark-lint-fenced-code-flag/index.js
+++ b/packages/remark-lint-fenced-code-flag/index.js
@@ -64,14 +64,17 @@
  *   1:1-3:4: Incorrect code language flag
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var position = require('unist-util-position')
-var generated = require('unist-util-generated')
+const remarkLintFencedCodeFlag = lintRule(
+  'remark-lint:fenced-code-flag',
+  fencedCodeFlag
+)
 
-module.exports = rule('remark-lint:fenced-code-flag', fencedCodeFlag)
+export default remarkLintFencedCodeFlag
 
 var start = position.start
 var end = position.end
diff --git a/packages/remark-lint-fenced-code-flag/package.json b/packages/remark-lint-fenced-code-flag/package.json
index 932cd7b4..e6ab3a3b 100644
--- a/packages/remark-lint-fenced-code-flag/package.json
+++ b/packages/remark-lint-fenced-code-flag/package.json
@@ -23,6 +23,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-fenced-code-flag/readme.md b/packages/remark-lint-fenced-code-flag/readme.md
index 75ed92d7..c1f90b19 100644
--- a/packages/remark-lint-fenced-code-flag/readme.md
+++ b/packages/remark-lint-fenced-code-flag/readme.md
@@ -27,7 +27,7 @@ This rule is included in the following presets:
 
 | Preset | Setting |
 | - | - |
-| [`remark-preset-lint-markdown-style-guide`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-preset-lint-markdown-style-guide) | `{allowEmpty: false}` |
+| [`remark-preset-lint-markdown-style-guide`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-preset-lint-markdown-style-guide) | `{ allowEmpty: false }` |
 
 ## Example
 
diff --git a/packages/remark-lint-fenced-code-marker/index.js b/packages/remark-lint-fenced-code-marker/index.js
index 6af5c95a..59432415 100644
--- a/packages/remark-lint-fenced-code-marker/index.js
+++ b/packages/remark-lint-fenced-code-marker/index.js
@@ -81,14 +81,17 @@
  *   1:1: Incorrect fenced code marker `💩`: use either `'consistent'`, `` '`' ``, or `'~'`
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var position = require('unist-util-position')
-var generated = require('unist-util-generated')
+const remarkLintFencedCodeMarker = lintRule(
+  'remark-lint:fenced-code-marker',
+  fencedCodeMarker
+)
 
-module.exports = rule('remark-lint:fenced-code-marker', fencedCodeMarker)
+export default remarkLintFencedCodeMarker
 
 var markers = {
   '`': true,
diff --git a/packages/remark-lint-fenced-code-marker/package.json b/packages/remark-lint-fenced-code-marker/package.json
index 9ff7171e..bf7adf11 100644
--- a/packages/remark-lint-fenced-code-marker/package.json
+++ b/packages/remark-lint-fenced-code-marker/package.json
@@ -22,6 +22,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-file-extension/index.js b/packages/remark-lint-file-extension/index.js
index 5af8a5bd..e10341e2 100644
--- a/packages/remark-lint-file-extension/index.js
+++ b/packages/remark-lint-file-extension/index.js
@@ -22,11 +22,14 @@
  * @example {"name": "readme.mkd", "setting": "mkd"}
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
 
-var rule = require('unified-lint-rule')
+const remarkLintFileExtension = lintRule(
+  'remark-lint:file-extension',
+  fileExtension
+)
 
-module.exports = rule('remark-lint:file-extension', fileExtension)
+export default remarkLintFileExtension
 
 function fileExtension(tree, file, option) {
   var ext = file.extname
diff --git a/packages/remark-lint-file-extension/package.json b/packages/remark-lint-file-extension/package.json
index 6e447809..12886e94 100644
--- a/packages/remark-lint-file-extension/package.json
+++ b/packages/remark-lint-file-extension/package.json
@@ -22,6 +22,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-final-definition/index.js b/packages/remark-lint-final-definition/index.js
index 76428068..bcf95403 100644
--- a/packages/remark-lint-final-definition/index.js
+++ b/packages/remark-lint-final-definition/index.js
@@ -36,14 +36,17 @@
  *   [example-2]: http://example.com/two/
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var position = require('unist-util-position')
-var generated = require('unist-util-generated')
+const remarkLintFinalDefinition = lintRule(
+  'remark-lint:final-definition',
+  finalDefinition
+)
 
-module.exports = rule('remark-lint:final-definition', finalDefinition)
+export default remarkLintFinalDefinition
 
 var start = position.start
 
diff --git a/packages/remark-lint-final-definition/package.json b/packages/remark-lint-final-definition/package.json
index 8bb162a2..9f2ef386 100644
--- a/packages/remark-lint-final-definition/package.json
+++ b/packages/remark-lint-final-definition/package.json
@@ -22,6 +22,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-final-newline/index.js b/packages/remark-lint-final-newline/index.js
index 9b52999f..9b0a0fc0 100644
--- a/packages/remark-lint-final-newline/index.js
+++ b/packages/remark-lint-final-newline/index.js
@@ -50,11 +50,14 @@
  *   ```
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
 
-var rule = require('unified-lint-rule')
+const remarkLintFinalNewline = lintRule(
+  'remark-lint:final-newline',
+  finalNewline
+)
 
-module.exports = rule('remark-lint:final-newline', finalNewline)
+export default remarkLintFinalNewline
 
 function finalNewline(tree, file) {
   var contents = String(file)
diff --git a/packages/remark-lint-final-newline/package.json b/packages/remark-lint-final-newline/package.json
index c841e31a..cbcc6fb1 100644
--- a/packages/remark-lint-final-newline/package.json
+++ b/packages/remark-lint-final-newline/package.json
@@ -22,6 +22,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-first-heading-level/index.js b/packages/remark-lint-first-heading-level/index.js
index 053e485e..7a5984f6 100644
--- a/packages/remark-lint-first-heading-level/index.js
+++ b/packages/remark-lint-first-heading-level/index.js
@@ -77,13 +77,16 @@
  *   1:1-1:14: First heading level should be `2`
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var generated = require('unist-util-generated')
+const remarkLintFirstHeadingLevel = lintRule(
+  'remark-lint:first-heading-level',
+  firstHeadingLevel
+)
 
-module.exports = rule('remark-lint:first-heading-level', firstHeadingLevel)
+export default remarkLintFirstHeadingLevel
 
 var re = /<h([1-6])/
 
diff --git a/packages/remark-lint-first-heading-level/package.json b/packages/remark-lint-first-heading-level/package.json
index c08b05f2..e0fb52f7 100644
--- a/packages/remark-lint-first-heading-level/package.json
+++ b/packages/remark-lint-first-heading-level/package.json
@@ -23,6 +23,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-hard-break-spaces/index.js b/packages/remark-lint-hard-break-spaces/index.js
index 95f08d1d..9b5404ab 100644
--- a/packages/remark-lint-hard-break-spaces/index.js
+++ b/packages/remark-lint-hard-break-spaces/index.js
@@ -21,14 +21,17 @@
  *   1:12-2:1: Use two spaces for hard line breaks
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var position = require('unist-util-position')
-var generated = require('unist-util-generated')
+const remarkLintHardBreakSpaces = lintRule(
+  'remark-lint:hard-break-spaces',
+  hardBreakSpaces
+)
 
-module.exports = rule('remark-lint:hard-break-spaces', hardBreakSpaces)
+export default remarkLintHardBreakSpaces
 
 var reason = 'Use two spaces for hard line breaks'
 
diff --git a/packages/remark-lint-hard-break-spaces/package.json b/packages/remark-lint-hard-break-spaces/package.json
index dfd66626..5f324dc3 100644
--- a/packages/remark-lint-hard-break-spaces/package.json
+++ b/packages/remark-lint-hard-break-spaces/package.json
@@ -23,6 +23,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-heading-increment/index.js b/packages/remark-lint-heading-increment/index.js
index 3872bc68..82a0993b 100644
--- a/packages/remark-lint-heading-increment/index.js
+++ b/packages/remark-lint-heading-increment/index.js
@@ -23,13 +23,16 @@
  *   3:1-3:10: Heading levels should increment by one level at a time
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var generated = require('unist-util-generated')
+const remarkLintHeadingIncrement = lintRule(
+  'remark-lint:heading-increment',
+  headingIncrement
+)
 
-module.exports = rule('remark-lint:heading-increment', headingIncrement)
+export default remarkLintHeadingIncrement
 
 var reason = 'Heading levels should increment by one level at a time'
 
diff --git a/packages/remark-lint-heading-increment/package.json b/packages/remark-lint-heading-increment/package.json
index e7179961..e9bbbf70 100644
--- a/packages/remark-lint-heading-increment/package.json
+++ b/packages/remark-lint-heading-increment/package.json
@@ -22,6 +22,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-heading-style/index.js b/packages/remark-lint-heading-style/index.js
index f306401b..5990e70a 100644
--- a/packages/remark-lint-heading-style/index.js
+++ b/packages/remark-lint-heading-style/index.js
@@ -66,31 +66,32 @@
  *   6:1-6:13: Headings should use setext
  */
 
-'use strict'
-
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var style = require('mdast-util-heading-style')
-var generated = require('unist-util-generated')
-
-module.exports = rule('remark-lint:heading-style', headingStyle)
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import headingStyle from 'mdast-util-heading-style'
+import generated from 'unist-util-generated'
 
 var types = ['atx', 'atx-closed', 'setext']
 
-function headingStyle(tree, file, option) {
-  var preferred = types.indexOf(option) === -1 ? null : option
+const remarkLintHeadingStyle = lintRule(
+  'remark-lint:heading-style',
+  function (tree, file, option) {
+    var preferred = types.indexOf(option) === -1 ? null : option
 
-  visit(tree, 'heading', visitor)
+    visit(tree, 'heading', visitor)
 
-  function visitor(node) {
-    if (!generated(node)) {
-      if (preferred) {
-        if (style(node, preferred) !== preferred) {
-          file.message('Headings should use ' + preferred, node)
+    function visitor(node) {
+      if (!generated(node)) {
+        if (preferred) {
+          if (headingStyle(node, preferred) !== preferred) {
+            file.message('Headings should use ' + preferred, node)
+          }
+        } else {
+          preferred = headingStyle(node, preferred)
         }
-      } else {
-        preferred = style(node, preferred)
       }
     }
   }
-}
+)
+
+export default remarkLintHeadingStyle
diff --git a/packages/remark-lint-heading-style/package.json b/packages/remark-lint-heading-style/package.json
index 09f1d73a..5a237c6c 100644
--- a/packages/remark-lint-heading-style/package.json
+++ b/packages/remark-lint-heading-style/package.json
@@ -23,6 +23,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-linebreak-style/index.js b/packages/remark-lint-linebreak-style/index.js
index 469002c9..b3d335a8 100644
--- a/packages/remark-lint-linebreak-style/index.js
+++ b/packages/remark-lint-linebreak-style/index.js
@@ -45,12 +45,15 @@
  *   1:6: Expected linebreaks to be windows (`\r\n`), not unix (`\n`)
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import location from 'vfile-location'
 
-var rule = require('unified-lint-rule')
-var location = require('vfile-location')
+const remarkLintLinebreakStyle = lintRule(
+  'remark-lint:linebreak-style',
+  linebreakStyle
+)
 
-module.exports = rule('remark-lint:linebreak-style', linebreakStyle)
+export default remarkLintLinebreakStyle
 
 var escaped = {unix: '\\n', windows: '\\r\\n'}
 var types = {true: 'windows', false: 'unix'}
diff --git a/packages/remark-lint-linebreak-style/package.json b/packages/remark-lint-linebreak-style/package.json
index b969d908..0861e8ec 100644
--- a/packages/remark-lint-linebreak-style/package.json
+++ b/packages/remark-lint-linebreak-style/package.json
@@ -26,6 +26,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-link-title-style/index.js b/packages/remark-lint-link-title-style/index.js
index 669ac696..47d44d23 100644
--- a/packages/remark-lint-link-title-style/index.js
+++ b/packages/remark-lint-link-title-style/index.js
@@ -86,15 +86,18 @@
  *   1:1: Incorrect link title style marker `💩`: use either `'consistent'`, `'"'`, `'\''`, or `'()'`
  */
 
-'use strict'
-
-var rule = require('unified-lint-rule')
-var vfileLocation = require('vfile-location')
-var visit = require('unist-util-visit')
-var position = require('unist-util-position')
-var generated = require('unist-util-generated')
-
-module.exports = rule('remark-lint:link-title-style', linkTitleStyle)
+import {lintRule} from 'unified-lint-rule'
+import vfileLocation from 'vfile-location'
+import visit from 'unist-util-visit'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
+
+const remarkLintLinkTitleStyle = lintRule(
+  'remark-lint:link-title-style',
+  linkTitleStyle
+)
+
+export default remarkLintLinkTitleStyle
 
 var own = {}.hasOwnProperty
 
diff --git a/packages/remark-lint-link-title-style/package.json b/packages/remark-lint-link-title-style/package.json
index 32ea24ea..1ddccdeb 100644
--- a/packages/remark-lint-link-title-style/package.json
+++ b/packages/remark-lint-link-title-style/package.json
@@ -23,6 +23,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-list-item-bullet-indent/index.js b/packages/remark-lint-list-item-bullet-indent/index.js
index a74b404b..10cb4a14 100644
--- a/packages/remark-lint-list-item-bullet-indent/index.js
+++ b/packages/remark-lint-list-item-bullet-indent/index.js
@@ -34,18 +34,18 @@
  *   4:2: Incorrect indentation before bullet: remove 1 space
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import plural from 'pluralize'
+import visit from 'unist-util-visit'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var plural = require('pluralize')
-var visit = require('unist-util-visit')
-var generated = require('unist-util-generated')
-
-module.exports = rule(
+const remarkLintListItemBulletIndent = lintRule(
   'remark-lint:list-item-bullet-indent',
   listItemBulletIndent
 )
 
+export default remarkLintListItemBulletIndent
+
 function listItemBulletIndent(tree, file) {
   visit(tree, 'list', visitor)
 
diff --git a/packages/remark-lint-list-item-bullet-indent/package.json b/packages/remark-lint-list-item-bullet-indent/package.json
index bdeac728..ece81e72 100644
--- a/packages/remark-lint-list-item-bullet-indent/package.json
+++ b/packages/remark-lint-list-item-bullet-indent/package.json
@@ -22,6 +22,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-list-item-content-indent/index.js b/packages/remark-lint-list-item-content-indent/index.js
index 978f901a..dff0861e 100644
--- a/packages/remark-lint-list-item-content-indent/index.js
+++ b/packages/remark-lint-list-item-content-indent/index.js
@@ -21,19 +21,19 @@
  *   2:5: Don’t use mixed indentation for children, remove 1 space
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import plural from 'pluralize'
+import visit from 'unist-util-visit'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var plural = require('pluralize')
-var visit = require('unist-util-visit')
-var position = require('unist-util-position')
-var generated = require('unist-util-generated')
-
-module.exports = rule(
+const remarkLintListItemContentIndent = lintRule(
   'remark-lint:list-item-content-indent',
   listItemContentIndent
 )
 
+export default remarkLintListItemContentIndent
+
 var start = position.start
 
 function listItemContentIndent(tree, file) {
diff --git a/packages/remark-lint-list-item-content-indent/package.json b/packages/remark-lint-list-item-content-indent/package.json
index 9449d5f9..12506061 100644
--- a/packages/remark-lint-list-item-content-indent/package.json
+++ b/packages/remark-lint-list-item-content-indent/package.json
@@ -23,6 +23,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-list-item-indent/index.js b/packages/remark-lint-list-item-indent/index.js
index 3b532f02..028a0531 100644
--- a/packages/remark-lint-list-item-indent/index.js
+++ b/packages/remark-lint-list-item-indent/index.js
@@ -103,15 +103,18 @@
  *    1:1: Incorrect list-item indent style `💩`: use either `'tab-size'`, `'space'`, or `'mixed'`
  */
 
-'use strict'
-
-var rule = require('unified-lint-rule')
-var plural = require('pluralize')
-var visit = require('unist-util-visit')
-var position = require('unist-util-position')
-var generated = require('unist-util-generated')
-
-module.exports = rule('remark-lint:list-item-indent', listItemIndent)
+import {lintRule} from 'unified-lint-rule'
+import plural from 'pluralize'
+import visit from 'unist-util-visit'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
+
+const remarkLintListItemIndent = lintRule(
+  'remark-lint:list-item-indent',
+  listItemIndent
+)
+
+export default remarkLintListItemIndent
 
 var start = position.start
 
diff --git a/packages/remark-lint-list-item-indent/package.json b/packages/remark-lint-list-item-indent/package.json
index 626f77b9..f79c10bd 100644
--- a/packages/remark-lint-list-item-indent/package.json
+++ b/packages/remark-lint-list-item-indent/package.json
@@ -22,6 +22,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-list-item-spacing/index.js b/packages/remark-lint-list-item-spacing/index.js
index 249ac64d..0843cb4f 100644
--- a/packages/remark-lint-list-item-spacing/index.js
+++ b/packages/remark-lint-list-item-spacing/index.js
@@ -107,14 +107,17 @@
  *   14:15-16:1: Extraneous new line after list item
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var position = require('unist-util-position')
-var generated = require('unist-util-generated')
+const remarkLintListItemSpacing = lintRule(
+  'remark-lint:list-item-spacing',
+  listItemSpacing
+)
 
-module.exports = rule('remark-lint:list-item-spacing', listItemSpacing)
+export default remarkLintListItemSpacing
 
 var start = position.start
 var end = position.end
diff --git a/packages/remark-lint-list-item-spacing/package.json b/packages/remark-lint-list-item-spacing/package.json
index 8f9c381a..093cb9ee 100644
--- a/packages/remark-lint-list-item-spacing/package.json
+++ b/packages/remark-lint-list-item-spacing/package.json
@@ -23,6 +23,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-maximum-heading-length/index.js b/packages/remark-lint-maximum-heading-length/index.js
index a63ac3cc..a6e2bd30 100644
--- a/packages/remark-lint-maximum-heading-length/index.js
+++ b/packages/remark-lint-maximum-heading-length/index.js
@@ -25,18 +25,18 @@
  *   1:1-1:52: Use headings shorter than `40`
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import generated from 'unist-util-generated'
+import toString from 'mdast-util-to-string'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var generated = require('unist-util-generated')
-var toString = require('mdast-util-to-string')
-
-module.exports = rule(
+const remarkLintMaximumHeadingLength = lintRule(
   'remark-lint:maximum-heading-length',
   maximumHeadingLength
 )
 
+export default remarkLintMaximumHeadingLength
+
 function maximumHeadingLength(tree, file, option) {
   var preferred = typeof option === 'number' && !isNaN(option) ? option : 60
 
diff --git a/packages/remark-lint-maximum-heading-length/package.json b/packages/remark-lint-maximum-heading-length/package.json
index aaea96b8..aaa48aac 100644
--- a/packages/remark-lint-maximum-heading-length/package.json
+++ b/packages/remark-lint-maximum-heading-length/package.json
@@ -21,6 +21,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-maximum-line-length/index.js b/packages/remark-lint-maximum-line-length/index.js
index 30dbb65c..97ca1187 100644
--- a/packages/remark-lint-maximum-line-length/index.js
+++ b/packages/remark-lint-maximum-line-length/index.js
@@ -90,14 +90,17 @@
  *   4:12: Line must be at most 10 characters
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var position = require('unist-util-position')
-var generated = require('unist-util-generated')
+const remarkLintMaximumLineLength = lintRule(
+  'remark-lint:maximum-line-length',
+  maximumLineLength
+)
 
-module.exports = rule('remark-lint:maximum-line-length', maximumLineLength)
+export default remarkLintMaximumLineLength
 
 var start = position.start
 var end = position.end
diff --git a/packages/remark-lint-maximum-line-length/package.json b/packages/remark-lint-maximum-line-length/package.json
index d541a70c..a868fcfa 100644
--- a/packages/remark-lint-maximum-line-length/package.json
+++ b/packages/remark-lint-maximum-line-length/package.json
@@ -21,6 +21,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-no-auto-link-without-protocol/index.js b/packages/remark-lint-no-auto-link-without-protocol/index.js
index 2126216b..c693afdf 100644
--- a/packages/remark-lint-no-auto-link-without-protocol/index.js
+++ b/packages/remark-lint-no-auto-link-without-protocol/index.js
@@ -33,19 +33,19 @@
  *   1:1-1:14: All automatic links must start with a protocol
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
+import toString from 'mdast-util-to-string'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var position = require('unist-util-position')
-var generated = require('unist-util-generated')
-var toString = require('mdast-util-to-string')
-
-module.exports = rule(
+const remarkLintNoAutoLinkWithoutProtocol = lintRule(
   'remark-lint:no-auto-link-without-protocol',
   noAutoLinkWithoutProtocol
 )
 
+export default remarkLintNoAutoLinkWithoutProtocol
+
 var start = position.start
 var end = position.end
 
diff --git a/packages/remark-lint-no-auto-link-without-protocol/package.json b/packages/remark-lint-no-auto-link-without-protocol/package.json
index 1aa400ff..77e40fd6 100644
--- a/packages/remark-lint-no-auto-link-without-protocol/package.json
+++ b/packages/remark-lint-no-auto-link-without-protocol/package.json
@@ -22,6 +22,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-no-blockquote-without-marker/index.js b/packages/remark-lint-no-blockquote-without-marker/index.js
index 77ded14c..7a5175da 100644
--- a/packages/remark-lint-no-blockquote-without-marker/index.js
+++ b/packages/remark-lint-no-blockquote-without-marker/index.js
@@ -49,19 +49,19 @@
  *   3:1: Missing marker in block quote
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import vfileLocation from 'vfile-location'
+import visit from 'unist-util-visit'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var vfileLocation = require('vfile-location')
-var visit = require('unist-util-visit')
-var position = require('unist-util-position')
-var generated = require('unist-util-generated')
-
-module.exports = rule(
+const remarkLintNoBlockquoteWithoutMarker = lintRule(
   'remark-lint:no-blockquote-without-marker',
   noBlockquoteWithoutMarker
 )
 
+export default remarkLintNoBlockquoteWithoutMarker
+
 var reason = 'Missing marker in block quote'
 
 function noBlockquoteWithoutMarker(tree, file) {
diff --git a/packages/remark-lint-no-blockquote-without-marker/package.json b/packages/remark-lint-no-blockquote-without-marker/package.json
index ac5466d5..ff12d4c9 100644
--- a/packages/remark-lint-no-blockquote-without-marker/package.json
+++ b/packages/remark-lint-no-blockquote-without-marker/package.json
@@ -22,6 +22,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-no-consecutive-blank-lines/index.js b/packages/remark-lint-no-consecutive-blank-lines/index.js
index d3f42a51..329089d8 100644
--- a/packages/remark-lint-no-consecutive-blank-lines/index.js
+++ b/packages/remark-lint-no-consecutive-blank-lines/index.js
@@ -40,19 +40,19 @@
  *   4:5: Remove 2 lines after node
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import plural from 'pluralize'
+import visit from 'unist-util-visit'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var plural = require('pluralize')
-var visit = require('unist-util-visit')
-var position = require('unist-util-position')
-var generated = require('unist-util-generated')
-
-module.exports = rule(
+const remarkLintNoConsecutiveBlankLines = lintRule(
   'remark-lint:no-consecutive-blank-lines',
   noConsecutiveBlankLines
 )
 
+export default remarkLintNoConsecutiveBlankLines
+
 function noConsecutiveBlankLines(tree, file) {
   visit(tree, visitor)
 
diff --git a/packages/remark-lint-no-consecutive-blank-lines/package.json b/packages/remark-lint-no-consecutive-blank-lines/package.json
index fd9753ab..dc738122 100644
--- a/packages/remark-lint-no-consecutive-blank-lines/package.json
+++ b/packages/remark-lint-no-consecutive-blank-lines/package.json
@@ -21,6 +21,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-no-duplicate-defined-urls/index.js b/packages/remark-lint-no-duplicate-defined-urls/index.js
index 0b0b4b24..40aa638d 100644
--- a/packages/remark-lint-no-duplicate-defined-urls/index.js
+++ b/packages/remark-lint-no-duplicate-defined-urls/index.js
@@ -21,19 +21,19 @@
  *   2:1-2:19: Do not use different definitions with the same URL (1:1)
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
+import stringify from 'unist-util-stringify-position'
+import visit from 'unist-util-visit'
 
-var rule = require('unified-lint-rule')
-var position = require('unist-util-position')
-var generated = require('unist-util-generated')
-var stringify = require('unist-util-stringify-position')
-var visit = require('unist-util-visit')
-
-module.exports = rule(
+const remarkLintNoDuplicateDefinedUrls = lintRule(
   'remark-lint:no-duplicate-defined-urls',
   noDuplicateDefinedUrls
 )
 
+export default remarkLintNoDuplicateDefinedUrls
+
 var reason = 'Do not use different definitions with the same URL'
 
 function noDuplicateDefinedUrls(tree, file) {
diff --git a/packages/remark-lint-no-duplicate-defined-urls/package.json b/packages/remark-lint-no-duplicate-defined-urls/package.json
index e19caa88..3a51bbe6 100644
--- a/packages/remark-lint-no-duplicate-defined-urls/package.json
+++ b/packages/remark-lint-no-duplicate-defined-urls/package.json
@@ -22,6 +22,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-no-duplicate-definitions/index.js b/packages/remark-lint-no-duplicate-definitions/index.js
index c788e83b..709b9c73 100644
--- a/packages/remark-lint-no-duplicate-definitions/index.js
+++ b/packages/remark-lint-no-duplicate-definitions/index.js
@@ -21,19 +21,19 @@
  *   2:1-2:11: Do not use definitions with the same identifier (1:1)
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
+import stringify from 'unist-util-stringify-position'
+import visit from 'unist-util-visit'
 
-var rule = require('unified-lint-rule')
-var position = require('unist-util-position')
-var generated = require('unist-util-generated')
-var stringify = require('unist-util-stringify-position')
-var visit = require('unist-util-visit')
-
-module.exports = rule(
+const remarkLintNoDuplicateDefinitions = lintRule(
   'remark-lint:no-duplicate-definitions',
   noDuplicateDefinitions
 )
 
+export default remarkLintNoDuplicateDefinitions
+
 var reason = 'Do not use definitions with the same identifier'
 
 function noDuplicateDefinitions(tree, file) {
diff --git a/packages/remark-lint-no-duplicate-definitions/package.json b/packages/remark-lint-no-duplicate-definitions/package.json
index 1f8e0b9f..c3b41158 100644
--- a/packages/remark-lint-no-duplicate-definitions/package.json
+++ b/packages/remark-lint-no-duplicate-definitions/package.json
@@ -21,6 +21,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-no-duplicate-headings-in-section/index.js b/packages/remark-lint-no-duplicate-headings-in-section/index.js
index 2418db68..97018c6b 100644
--- a/packages/remark-lint-no-duplicate-headings-in-section/index.js
+++ b/packages/remark-lint-no-duplicate-headings-in-section/index.js
@@ -54,20 +54,20 @@
  *   7:1-7:11: Do not use headings with similar content per section (3:1)
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
+import visit from 'unist-util-visit'
+import stringify from 'unist-util-stringify-position'
+import toString from 'mdast-util-to-string'
 
-var rule = require('unified-lint-rule')
-var position = require('unist-util-position')
-var generated = require('unist-util-generated')
-var visit = require('unist-util-visit')
-var stringify = require('unist-util-stringify-position')
-var toString = require('mdast-util-to-string')
-
-module.exports = rule(
+const remarkLintNoDuplicateHeadingsInSection = lintRule(
   'remark-lint:no-duplicate-headings-in-section',
   noDuplicateHeadingsInSection
 )
 
+export default remarkLintNoDuplicateHeadingsInSection
+
 var reason = 'Do not use headings with similar content per section'
 
 function noDuplicateHeadingsInSection(tree, file) {
diff --git a/packages/remark-lint-no-duplicate-headings-in-section/package.json b/packages/remark-lint-no-duplicate-headings-in-section/package.json
index 71774f22..ffb18e4c 100644
--- a/packages/remark-lint-no-duplicate-headings-in-section/package.json
+++ b/packages/remark-lint-no-duplicate-headings-in-section/package.json
@@ -22,6 +22,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-no-duplicate-headings/index.js b/packages/remark-lint-no-duplicate-headings/index.js
index f1a41f62..5081b1a2 100644
--- a/packages/remark-lint-no-duplicate-headings/index.js
+++ b/packages/remark-lint-no-duplicate-headings/index.js
@@ -26,16 +26,19 @@
  *   5:1-5:29: Do not use headings with similar content (3:1)
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
+import visit from 'unist-util-visit'
+import stringify from 'unist-util-stringify-position'
+import toString from 'mdast-util-to-string'
 
-var rule = require('unified-lint-rule')
-var position = require('unist-util-position')
-var generated = require('unist-util-generated')
-var visit = require('unist-util-visit')
-var stringify = require('unist-util-stringify-position')
-var toString = require('mdast-util-to-string')
+const remarkLintNoDuplicateHeadings = lintRule(
+  'remark-lint:no-duplicate-headings',
+  noDuplicateHeadings
+)
 
-module.exports = rule('remark-lint:no-duplicate-headings', noDuplicateHeadings)
+export default remarkLintNoDuplicateHeadings
 
 var reason = 'Do not use headings with similar content'
 
diff --git a/packages/remark-lint-no-duplicate-headings/package.json b/packages/remark-lint-no-duplicate-headings/package.json
index ff409453..9c904e28 100644
--- a/packages/remark-lint-no-duplicate-headings/package.json
+++ b/packages/remark-lint-no-duplicate-headings/package.json
@@ -21,6 +21,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-no-emphasis-as-heading/index.js b/packages/remark-lint-no-emphasis-as-heading/index.js
index 97638c93..01665955 100644
--- a/packages/remark-lint-no-emphasis-as-heading/index.js
+++ b/packages/remark-lint-no-emphasis-as-heading/index.js
@@ -29,13 +29,16 @@
  *   5:1-5:8: Don’t use emphasis to introduce a section, use a heading
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var generated = require('unist-util-generated')
+const remarkLintNoEmphasisAsHeading = lintRule(
+  'remark-lint:no-emphasis-as-heading',
+  noEmphasisAsHeading
+)
 
-module.exports = rule('remark-lint:no-emphasis-as-heading', noEmphasisAsHeading)
+export default remarkLintNoEmphasisAsHeading
 
 var reason = 'Don’t use emphasis to introduce a section, use a heading'
 
diff --git a/packages/remark-lint-no-emphasis-as-heading/package.json b/packages/remark-lint-no-emphasis-as-heading/package.json
index ecb75fca..53c0c2f9 100644
--- a/packages/remark-lint-no-emphasis-as-heading/package.json
+++ b/packages/remark-lint-no-emphasis-as-heading/package.json
@@ -21,6 +21,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-no-empty-url/index.js b/packages/remark-lint-no-empty-url/index.js
index bb5557c8..5fd06b9c 100644
--- a/packages/remark-lint-no-empty-url/index.js
+++ b/packages/remark-lint-no-empty-url/index.js
@@ -24,13 +24,13 @@
  *   3:1-3:11: Don’t use images without URL
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var generated = require('unist-util-generated')
+const remarkLintNoEmptyUrl = lintRule('remark-lint:no-empty-url', noEmptyURL)
 
-module.exports = rule('remark-lint:no-empty-url', noEmptyURL)
+export default remarkLintNoEmptyUrl
 
 function noEmptyURL(tree, file) {
   visit(tree, ['link', 'image'], visitor)
diff --git a/packages/remark-lint-no-empty-url/package.json b/packages/remark-lint-no-empty-url/package.json
index 0c79005b..ea3b1341 100644
--- a/packages/remark-lint-no-empty-url/package.json
+++ b/packages/remark-lint-no-empty-url/package.json
@@ -23,6 +23,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-no-file-name-articles/index.js b/packages/remark-lint-no-file-name-articles/index.js
index 88ba4008..5fef18d1 100644
--- a/packages/remark-lint-no-file-name-articles/index.js
+++ b/packages/remark-lint-no-file-name-articles/index.js
@@ -25,11 +25,14 @@
  *   1:1: Do not start file names with `an`
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
 
-var rule = require('unified-lint-rule')
+const remarkLintNoFileNameArticles = lintRule(
+  'remark-lint:no-file-name-articles',
+  noFileNameArticles
+)
 
-module.exports = rule('remark-lint:no-file-name-articles', noFileNameArticles)
+export default remarkLintNoFileNameArticles
 
 function noFileNameArticles(tree, file) {
   var match = file.stem && file.stem.match(/^(the|teh|an?)\b/i)
diff --git a/packages/remark-lint-no-file-name-articles/package.json b/packages/remark-lint-no-file-name-articles/package.json
index f7fd9a04..5a0e0663 100644
--- a/packages/remark-lint-no-file-name-articles/package.json
+++ b/packages/remark-lint-no-file-name-articles/package.json
@@ -23,6 +23,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-no-file-name-consecutive-dashes/index.js b/packages/remark-lint-no-file-name-consecutive-dashes/index.js
index d96461c4..e9d14fe6 100644
--- a/packages/remark-lint-no-file-name-consecutive-dashes/index.js
+++ b/packages/remark-lint-no-file-name-consecutive-dashes/index.js
@@ -13,15 +13,15 @@
  *   1:1: Do not use consecutive dashes in a file name
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
 
-var rule = require('unified-lint-rule')
-
-module.exports = rule(
+const remarkLintNoFileNameConsecutiveDashes = lintRule(
   'remark-lint:no-file-name-consecutive-dashes',
   noFileNameConsecutiveDashes
 )
 
+export default remarkLintNoFileNameConsecutiveDashes
+
 var reason = 'Do not use consecutive dashes in a file name'
 
 function noFileNameConsecutiveDashes(tree, file) {
diff --git a/packages/remark-lint-no-file-name-consecutive-dashes/package.json b/packages/remark-lint-no-file-name-consecutive-dashes/package.json
index 6fa77b5d..96454314 100644
--- a/packages/remark-lint-no-file-name-consecutive-dashes/package.json
+++ b/packages/remark-lint-no-file-name-consecutive-dashes/package.json
@@ -24,6 +24,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-no-file-name-irregular-characters/index.js b/packages/remark-lint-no-file-name-irregular-characters/index.js
index 7a300f73..d5327746 100644
--- a/packages/remark-lint-no-file-name-irregular-characters/index.js
+++ b/packages/remark-lint-no-file-name-irregular-characters/index.js
@@ -32,15 +32,15 @@
  *   1:1: Do not use ` ` in a file name
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
 
-var rule = require('unified-lint-rule')
-
-module.exports = rule(
+const remarkLintNoFileNameIrregularCharacters = lintRule(
   'remark-lint:no-file-name-irregular-characters',
   noFileNameIrregularCharacters
 )
 
+export default remarkLintNoFileNameIrregularCharacters
+
 var expression = /[^\\.a-zA-Z\d-]/
 
 function noFileNameIrregularCharacters(tree, file, option) {
diff --git a/packages/remark-lint-no-file-name-irregular-characters/package.json b/packages/remark-lint-no-file-name-irregular-characters/package.json
index f8f010da..193b800a 100644
--- a/packages/remark-lint-no-file-name-irregular-characters/package.json
+++ b/packages/remark-lint-no-file-name-irregular-characters/package.json
@@ -23,6 +23,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-no-file-name-mixed-case/index.js b/packages/remark-lint-no-file-name-mixed-case/index.js
index 3f17347d..2658d9d7 100644
--- a/packages/remark-lint-no-file-name-mixed-case/index.js
+++ b/packages/remark-lint-no-file-name-mixed-case/index.js
@@ -15,15 +15,15 @@
  *   1:1: Do not mix casing in file names
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
 
-var rule = require('unified-lint-rule')
-
-module.exports = rule(
+const remarkLintNofileNameMixedCase = lintRule(
   'remark-lint:no-file-name-mixed-case',
   noFileNameMixedCase
 )
 
+export default remarkLintNofileNameMixedCase
+
 var reason = 'Do not mix casing in file names'
 
 function noFileNameMixedCase(tree, file) {
diff --git a/packages/remark-lint-no-file-name-mixed-case/package.json b/packages/remark-lint-no-file-name-mixed-case/package.json
index ce4240ba..da96a49e 100644
--- a/packages/remark-lint-no-file-name-mixed-case/package.json
+++ b/packages/remark-lint-no-file-name-mixed-case/package.json
@@ -22,6 +22,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-no-file-name-outer-dashes/index.js b/packages/remark-lint-no-file-name-outer-dashes/index.js
index 22e5fb80..4d0552dd 100644
--- a/packages/remark-lint-no-file-name-outer-dashes/index.js
+++ b/packages/remark-lint-no-file-name-outer-dashes/index.js
@@ -17,15 +17,15 @@
  *   1:1: Do not use initial or final dashes in a file name
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
 
-var rule = require('unified-lint-rule')
-
-module.exports = rule(
+const remarkLintNofileNameOuterDashes = lintRule(
   'remark-lint:no-file-name-outer-dashes',
   noFileNameOuterDashes
 )
 
+export default remarkLintNofileNameOuterDashes
+
 var reason = 'Do not use initial or final dashes in a file name'
 
 function noFileNameOuterDashes(tree, file) {
diff --git a/packages/remark-lint-no-file-name-outer-dashes/package.json b/packages/remark-lint-no-file-name-outer-dashes/package.json
index bbfec33e..19f4282c 100644
--- a/packages/remark-lint-no-file-name-outer-dashes/package.json
+++ b/packages/remark-lint-no-file-name-outer-dashes/package.json
@@ -23,6 +23,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-no-heading-content-indent/index.js b/packages/remark-lint-no-heading-content-indent/index.js
index 37770d48..25777dc5 100644
--- a/packages/remark-lint-no-heading-content-indent/index.js
+++ b/packages/remark-lint-no-heading-content-indent/index.js
@@ -46,20 +46,20 @@
  *   #··
  */
 
-'use strict'
-
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var style = require('mdast-util-heading-style')
-var plural = require('pluralize')
-var position = require('unist-util-position')
-var generated = require('unist-util-generated')
-
-module.exports = rule(
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import headingStyle from 'mdast-util-heading-style'
+import plural from 'pluralize'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
+
+const remarkLintNoHeadingContentIndent = lintRule(
   'remark-lint:no-heading-content-indent',
   noHeadingContentIndent
 )
 
+export default remarkLintNoHeadingContentIndent
+
 var start = position.start
 var end = position.end
 
@@ -82,7 +82,7 @@ function noHeadingContentIndent(tree, file) {
 
     depth = node.depth
     children = node.children
-    type = style(node, 'atx')
+    type = headingStyle(node, 'atx')
 
     if (type === 'atx' || type === 'atx-closed') {
       head = start(children[0]).column
diff --git a/packages/remark-lint-no-heading-content-indent/package.json b/packages/remark-lint-no-heading-content-indent/package.json
index 5e35f8bb..adf470d2 100644
--- a/packages/remark-lint-no-heading-content-indent/package.json
+++ b/packages/remark-lint-no-heading-content-indent/package.json
@@ -22,6 +22,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-no-heading-indent/index.js b/packages/remark-lint-no-heading-indent/index.js
index 4586ba0b..738ee0fc 100644
--- a/packages/remark-lint-no-heading-indent/index.js
+++ b/packages/remark-lint-no-heading-indent/index.js
@@ -46,15 +46,18 @@
  *   8:4: Remove 3 spaces before this heading
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import plural from 'pluralize'
+import visit from 'unist-util-visit'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var plural = require('pluralize')
-var visit = require('unist-util-visit')
-var position = require('unist-util-position')
-var generated = require('unist-util-generated')
+const remarkLintNoHeadingIndent = lintRule(
+  'remark-lint:no-heading-indent',
+  noHeadingIndent
+)
 
-module.exports = rule('remark-lint:no-heading-indent', noHeadingIndent)
+export default remarkLintNoHeadingIndent
 
 var start = position.start
 
diff --git a/packages/remark-lint-no-heading-indent/package.json b/packages/remark-lint-no-heading-indent/package.json
index d42974cf..daee2ea1 100644
--- a/packages/remark-lint-no-heading-indent/package.json
+++ b/packages/remark-lint-no-heading-indent/package.json
@@ -21,6 +21,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-no-heading-like-paragraph/index.js b/packages/remark-lint-no-heading-like-paragraph/index.js
index c0b34dcf..720964e4 100644
--- a/packages/remark-lint-no-heading-like-paragraph/index.js
+++ b/packages/remark-lint-no-heading-like-paragraph/index.js
@@ -23,17 +23,17 @@
  *   1:1-1:16: This looks like a heading but has too many hashes
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var generated = require('unist-util-generated')
-
-module.exports = rule(
+const remarkLintNoHeadingLikeParagraph = lintRule(
   'remark-lint:no-heading-like-paragraph',
   noHeadingLikeParagraph
 )
 
+export default remarkLintNoHeadingLikeParagraph
+
 var fence = '#######'
 var reason = 'This looks like a heading but has too many hashes'
 
diff --git a/packages/remark-lint-no-heading-like-paragraph/package.json b/packages/remark-lint-no-heading-like-paragraph/package.json
index 51db23a9..271ad8a1 100644
--- a/packages/remark-lint-no-heading-like-paragraph/package.json
+++ b/packages/remark-lint-no-heading-like-paragraph/package.json
@@ -21,6 +21,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-no-heading-punctuation/index.js b/packages/remark-lint-no-heading-punctuation/index.js
index 7ee03fe8..632a7ca6 100644
--- a/packages/remark-lint-no-heading-punctuation/index.js
+++ b/packages/remark-lint-no-heading-punctuation/index.js
@@ -40,18 +40,18 @@
  *   9:1-9:9: Don’t add a trailing `;` to headings
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import generated from 'unist-util-generated'
+import toString from 'mdast-util-to-string'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var generated = require('unist-util-generated')
-var toString = require('mdast-util-to-string')
-
-module.exports = rule(
+const remarkLintNoHeadingPunctuation = lintRule(
   'remark-lint:no-heading-punctuation',
   noHeadingPunctuation
 )
 
+export default remarkLintNoHeadingPunctuation
+
 var defaults = '\\.,;:!?'
 
 function noHeadingPunctuation(tree, file, option) {
diff --git a/packages/remark-lint-no-heading-punctuation/package.json b/packages/remark-lint-no-heading-punctuation/package.json
index 968bb1e7..93faf51b 100644
--- a/packages/remark-lint-no-heading-punctuation/package.json
+++ b/packages/remark-lint-no-heading-punctuation/package.json
@@ -21,6 +21,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-no-html/index.js b/packages/remark-lint-no-html/index.js
index dbe4d8b7..48c89648 100644
--- a/packages/remark-lint-no-html/index.js
+++ b/packages/remark-lint-no-html/index.js
@@ -24,13 +24,13 @@
  *   1:1-1:15: Do not use HTML in markdown
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var generated = require('unist-util-generated')
+const remarkLintNoHtml = lintRule('remark-lint:no-html', noHTML)
 
-module.exports = rule('remark-lint:no-html', noHTML)
+export default remarkLintNoHtml
 
 var reason = 'Do not use HTML in markdown'
 
diff --git a/packages/remark-lint-no-html/package.json b/packages/remark-lint-no-html/package.json
index e29b9882..ca316d0f 100644
--- a/packages/remark-lint-no-html/package.json
+++ b/packages/remark-lint-no-html/package.json
@@ -20,6 +20,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-no-inline-padding/index.js b/packages/remark-lint-no-inline-padding/index.js
index 18e34758..8e1504e5 100644
--- a/packages/remark-lint-no-inline-padding/index.js
+++ b/packages/remark-lint-no-inline-padding/index.js
@@ -22,14 +22,17 @@
  *   1:7-1:38: Don’t pad `link` with inner spaces
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import generated from 'unist-util-generated'
+import toString from 'mdast-util-to-string'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var generated = require('unist-util-generated')
-var toString = require('mdast-util-to-string')
+const remarkLintNoInlinePadding = lintRule(
+  'remark-lint:no-inline-padding',
+  noInlinePadding
+)
 
-module.exports = rule('remark-lint:no-inline-padding', noInlinePadding)
+export default remarkLintNoInlinePadding
 
 function noInlinePadding(tree, file) {
   // Note: `emphasis`, `strong`, `delete` (GFM) can’t have padding anymore
diff --git a/packages/remark-lint-no-inline-padding/package.json b/packages/remark-lint-no-inline-padding/package.json
index 9fbc672f..cf021913 100644
--- a/packages/remark-lint-no-inline-padding/package.json
+++ b/packages/remark-lint-no-inline-padding/package.json
@@ -21,6 +21,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-no-literal-urls/index.js b/packages/remark-lint-no-literal-urls/index.js
index bd8b9c8c..884d3a42 100644
--- a/packages/remark-lint-no-literal-urls/index.js
+++ b/packages/remark-lint-no-literal-urls/index.js
@@ -31,15 +31,18 @@
  *   1:1-1:19: Don’t use literal URLs without angle brackets
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
+import toString from 'mdast-util-to-string'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var position = require('unist-util-position')
-var generated = require('unist-util-generated')
-var toString = require('mdast-util-to-string')
+const remarkLintNoLiteralUrls = lintRule(
+  'remark-lint:no-literal-urls',
+  noLiteralURLs
+)
 
-module.exports = rule('remark-lint:no-literal-urls', noLiteralURLs)
+export default remarkLintNoLiteralUrls
 
 var start = position.start
 var end = position.end
diff --git a/packages/remark-lint-no-literal-urls/package.json b/packages/remark-lint-no-literal-urls/package.json
index 5d9d65fe..1bf11a8b 100644
--- a/packages/remark-lint-no-literal-urls/package.json
+++ b/packages/remark-lint-no-literal-urls/package.json
@@ -21,6 +21,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-no-missing-blank-lines/index.js b/packages/remark-lint-no-missing-blank-lines/index.js
index c296fafa..32bf63ea 100644
--- a/packages/remark-lint-no-missing-blank-lines/index.js
+++ b/packages/remark-lint-no-missing-blank-lines/index.js
@@ -63,14 +63,17 @@
  *   2:1-2:7: Missing blank line before block node
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var position = require('unist-util-position')
-var generated = require('unist-util-generated')
+const remarkLintNoMissingBlankLines = lintRule(
+  'remark-lint:no-missing-blank-lines',
+  noMissingBlankLines
+)
 
-module.exports = rule('remark-lint:no-missing-blank-lines', noMissingBlankLines)
+export default remarkLintNoMissingBlankLines
 
 var reason = 'Missing blank line before block node'
 
diff --git a/packages/remark-lint-no-missing-blank-lines/package.json b/packages/remark-lint-no-missing-blank-lines/package.json
index 24fc59c7..afc90fbf 100644
--- a/packages/remark-lint-no-missing-blank-lines/package.json
+++ b/packages/remark-lint-no-missing-blank-lines/package.json
@@ -21,6 +21,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-no-multiple-toplevel-headings/index.js b/packages/remark-lint-no-multiple-toplevel-headings/index.js
index b22f5121..95d7928b 100644
--- a/packages/remark-lint-no-multiple-toplevel-headings/index.js
+++ b/packages/remark-lint-no-multiple-toplevel-headings/index.js
@@ -25,19 +25,19 @@
  *   3:1-3:6: Don’t use multiple top level headings (1:1)
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
+import stringify from 'unist-util-stringify-position'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var start = require('unist-util-position').start
-var generated = require('unist-util-generated')
-var stringify = require('unist-util-stringify-position')
-
-module.exports = rule(
+const remarkLintNoMultipleToplevelHeadings = lintRule(
   'remark-lint:no-multiple-toplevel-headings',
   noMultipleToplevelHeadings
 )
 
+export default remarkLintNoMultipleToplevelHeadings
+
 function noMultipleToplevelHeadings(tree, file, option) {
   var preferred = option || 1
   var duplicate
@@ -52,7 +52,7 @@ function noMultipleToplevelHeadings(tree, file, option) {
           node
         )
       } else {
-        duplicate = stringify(start(node))
+        duplicate = stringify(position.start(node))
       }
     }
   }
diff --git a/packages/remark-lint-no-multiple-toplevel-headings/package.json b/packages/remark-lint-no-multiple-toplevel-headings/package.json
index e533bc9b..1ae13732 100644
--- a/packages/remark-lint-no-multiple-toplevel-headings/package.json
+++ b/packages/remark-lint-no-multiple-toplevel-headings/package.json
@@ -21,6 +21,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-no-paragraph-content-indent/index.js b/packages/remark-lint-no-paragraph-content-indent/index.js
index f37cd224..e9b55c59 100644
--- a/packages/remark-lint-no-paragraph-content-indent/index.js
+++ b/packages/remark-lint-no-paragraph-content-indent/index.js
@@ -71,18 +71,18 @@
  *   22:4: Expected no indentation in paragraph content
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import position from 'unist-util-position'
+import vfileLocation from 'vfile-location'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var position = require('unist-util-position')
-var vfileLocation = require('vfile-location')
-
-module.exports = rule(
+const remarkLintNoParagraphContentIndent = lintRule(
   'remark-lint:no-paragraph-content-indent',
   noParagraphContentIndent
 )
 
+export default remarkLintNoParagraphContentIndent
+
 var reason = 'Expected no indentation in paragraph content'
 
 function noParagraphContentIndent(tree, file) {
diff --git a/packages/remark-lint-no-paragraph-content-indent/package.json b/packages/remark-lint-no-paragraph-content-indent/package.json
index 2bfc0b70..0549bae5 100644
--- a/packages/remark-lint-no-paragraph-content-indent/package.json
+++ b/packages/remark-lint-no-paragraph-content-indent/package.json
@@ -22,6 +22,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-no-reference-like-url/index.js b/packages/remark-lint-no-reference-like-url/index.js
index 2e574611..dffe9bae 100644
--- a/packages/remark-lint-no-reference-like-url/index.js
+++ b/packages/remark-lint-no-reference-like-url/index.js
@@ -23,13 +23,16 @@
  *   1:1-1:17: Did you mean to use `[delta]` instead of `(delta)`, a reference?
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import generated from 'unist-util-generated'
+import visit from 'unist-util-visit'
 
-var rule = require('unified-lint-rule')
-var generated = require('unist-util-generated')
-var visit = require('unist-util-visit')
+const remarkLintNoReferenceLikeUrl = lintRule(
+  'remark-lint:no-reference-like-url',
+  noReferenceLikeURL
+)
 
-module.exports = rule('remark-lint:no-reference-like-url', noReferenceLikeURL)
+export default remarkLintNoReferenceLikeUrl
 
 function noReferenceLikeURL(tree, file) {
   var identifiers = []
diff --git a/packages/remark-lint-no-reference-like-url/package.json b/packages/remark-lint-no-reference-like-url/package.json
index 1ba0f838..dadcb74a 100644
--- a/packages/remark-lint-no-reference-like-url/package.json
+++ b/packages/remark-lint-no-reference-like-url/package.json
@@ -22,6 +22,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-no-shell-dollars/index.js b/packages/remark-lint-no-shell-dollars/index.js
index a7536ded..4ba291f9 100644
--- a/packages/remark-lint-no-shell-dollars/index.js
+++ b/packages/remark-lint-no-shell-dollars/index.js
@@ -53,13 +53,16 @@
  *   5:1-8:4: Do not use dollar signs before shell commands
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var generated = require('unist-util-generated')
+const remarkLintNoShellDollars = lintRule(
+  'remark-lint:no-shell-dollars',
+  noShellDollars
+)
 
-module.exports = rule('remark-lint:no-shell-dollars', noShellDollars)
+export default remarkLintNoShellDollars
 
 var reason = 'Do not use dollar signs before shell commands'
 
diff --git a/packages/remark-lint-no-shell-dollars/package.json b/packages/remark-lint-no-shell-dollars/package.json
index d06eefef..ba858587 100644
--- a/packages/remark-lint-no-shell-dollars/package.json
+++ b/packages/remark-lint-no-shell-dollars/package.json
@@ -21,6 +21,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-no-shortcut-reference-image/index.js b/packages/remark-lint-no-shortcut-reference-image/index.js
index e9e56f34..ca322953 100644
--- a/packages/remark-lint-no-shortcut-reference-image/index.js
+++ b/packages/remark-lint-no-shortcut-reference-image/index.js
@@ -29,17 +29,17 @@
  *   1:1-1:7: Use the trailing [] on reference images
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var generated = require('unist-util-generated')
-
-module.exports = rule(
+const remarkLintNoShortcutReferenceImage = lintRule(
   'remark-lint:no-shortcut-reference-image',
   noShortcutReferenceImage
 )
 
+export default remarkLintNoShortcutReferenceImage
+
 var reason = 'Use the trailing [] on reference images'
 
 function noShortcutReferenceImage(tree, file) {
diff --git a/packages/remark-lint-no-shortcut-reference-image/package.json b/packages/remark-lint-no-shortcut-reference-image/package.json
index 548d84c0..5645a755 100644
--- a/packages/remark-lint-no-shortcut-reference-image/package.json
+++ b/packages/remark-lint-no-shortcut-reference-image/package.json
@@ -22,6 +22,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-no-shortcut-reference-link/index.js b/packages/remark-lint-no-shortcut-reference-link/index.js
index 3b31604c..9152cf84 100644
--- a/packages/remark-lint-no-shortcut-reference-link/index.js
+++ b/packages/remark-lint-no-shortcut-reference-link/index.js
@@ -29,17 +29,17 @@
  *   1:1-1:6: Use the trailing `[]` on reference links
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var generated = require('unist-util-generated')
-
-module.exports = rule(
+const remarkLintNoShortcutReferenceLink = lintRule(
   'remark-lint:no-shortcut-reference-link',
   noShortcutReferenceLink
 )
 
+export default remarkLintNoShortcutReferenceLink
+
 var reason = 'Use the trailing `[]` on reference links'
 
 function noShortcutReferenceLink(tree, file) {
diff --git a/packages/remark-lint-no-shortcut-reference-link/package.json b/packages/remark-lint-no-shortcut-reference-link/package.json
index 0beb6fb9..6f604d7f 100644
--- a/packages/remark-lint-no-shortcut-reference-link/package.json
+++ b/packages/remark-lint-no-shortcut-reference-link/package.json
@@ -22,6 +22,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-no-table-indentation/index.js b/packages/remark-lint-no-table-indentation/index.js
index 4e83a12c..c642f930 100644
--- a/packages/remark-lint-no-table-indentation/index.js
+++ b/packages/remark-lint-no-table-indentation/index.js
@@ -57,14 +57,17 @@
  *   3:6: Do not indent table rows
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import position from 'unist-util-position'
+import vfileLocation from 'vfile-location'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var position = require('unist-util-position')
-var vfileLocation = require('vfile-location')
+const remarkLintNoTableIndentation = lintRule(
+  'remark-lint:no-table-indentation',
+  noTableIndentation
+)
 
-module.exports = rule('remark-lint:no-table-indentation', noTableIndentation)
+export default remarkLintNoTableIndentation
 
 var reason = 'Do not indent table rows'
 
diff --git a/packages/remark-lint-no-table-indentation/package.json b/packages/remark-lint-no-table-indentation/package.json
index 15d5ead6..89e0ac5d 100644
--- a/packages/remark-lint-no-table-indentation/package.json
+++ b/packages/remark-lint-no-table-indentation/package.json
@@ -21,6 +21,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-no-tabs/index.js b/packages/remark-lint-no-tabs/index.js
index 0b92be2e..b58a7b8e 100644
--- a/packages/remark-lint-no-tabs/index.js
+++ b/packages/remark-lint-no-tabs/index.js
@@ -50,12 +50,12 @@
  *   13:41: Use spaces instead of tabs
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import location from 'vfile-location'
 
-var rule = require('unified-lint-rule')
-var location = require('vfile-location')
+const remarkLintNoTabs = lintRule('remark-lint:no-tabs', noTabs)
 
-module.exports = rule('remark-lint:no-tabs', noTabs)
+export default remarkLintNoTabs
 
 var reason = 'Use spaces instead of tabs'
 
diff --git a/packages/remark-lint-no-tabs/package.json b/packages/remark-lint-no-tabs/package.json
index 803de444..e74c6aa3 100644
--- a/packages/remark-lint-no-tabs/package.json
+++ b/packages/remark-lint-no-tabs/package.json
@@ -20,6 +20,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-no-undefined-references/index.js b/packages/remark-lint-no-undefined-references/index.js
index f75f5cc1..7274728e 100644
--- a/packages/remark-lint-no-undefined-references/index.js
+++ b/packages/remark-lint-no-undefined-references/index.js
@@ -62,20 +62,20 @@
  *   17:23-17:26: Found reference to undefined definition
  */
 
-'use strict'
-
-var collapseWhiteSpace = require('collapse-white-space')
-var vfileLocation = require('vfile-location')
-var rule = require('unified-lint-rule')
-var generated = require('unist-util-generated')
-var position = require('unist-util-position')
-var visit = require('unist-util-visit')
-
-module.exports = rule(
+import collapseWhiteSpace from 'collapse-white-space'
+import vfileLocation from 'vfile-location'
+import {lintRule} from 'unified-lint-rule'
+import generated from 'unist-util-generated'
+import position from 'unist-util-position'
+import visit from 'unist-util-visit'
+
+const remarkLintNoUndefinedReferences = lintRule(
   'remark-lint:no-undefined-references',
   noUndefinedReferences
 )
 
+export default remarkLintNoUndefinedReferences
+
 var reason = 'Found reference to undefined definition'
 
 // The identifier is upcased to avoid naming collisions with fields inherited
diff --git a/packages/remark-lint-no-undefined-references/package.json b/packages/remark-lint-no-undefined-references/package.json
index 9dbe2f75..fbbeec19 100644
--- a/packages/remark-lint-no-undefined-references/package.json
+++ b/packages/remark-lint-no-undefined-references/package.json
@@ -21,6 +21,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-no-unneeded-full-reference-image/index.js b/packages/remark-lint-no-unneeded-full-reference-image/index.js
index 558f332e..bb271335 100644
--- a/packages/remark-lint-no-unneeded-full-reference-image/index.js
+++ b/packages/remark-lint-no-unneeded-full-reference-image/index.js
@@ -37,18 +37,18 @@
  *   3:1-3:20: Remove the image label as it matches the reference text
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import generated from 'unist-util-generated'
+import collapseWhiteSpace from 'collapse-white-space'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var generated = require('unist-util-generated')
-var collapseWhiteSpace = require('collapse-white-space')
-
-module.exports = rule(
+const remarkLintNoUnneededFullReferenceImage = lintRule(
   'remark-lint:no-unneeded-full-reference-image',
   noUnneededFullReferenceImage
 )
 
+export default remarkLintNoUnneededFullReferenceImage
+
 var reason = 'Remove the image label as it matches the reference text'
 
 function noUnneededFullReferenceImage(tree, file) {
diff --git a/packages/remark-lint-no-unneeded-full-reference-image/package.json b/packages/remark-lint-no-unneeded-full-reference-image/package.json
index 8c69cdbf..e1fd7581 100644
--- a/packages/remark-lint-no-unneeded-full-reference-image/package.json
+++ b/packages/remark-lint-no-unneeded-full-reference-image/package.json
@@ -23,6 +23,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-no-unneeded-full-reference-link/index.js b/packages/remark-lint-no-unneeded-full-reference-link/index.js
index 3a19fdac..e112deb0 100644
--- a/packages/remark-lint-no-unneeded-full-reference-link/index.js
+++ b/packages/remark-lint-no-unneeded-full-reference-link/index.js
@@ -43,18 +43,18 @@
  *   3:1-3:19: Remove the link label as it matches the reference text
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import generated from 'unist-util-generated'
+import collapseWhiteSpace from 'collapse-white-space'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var generated = require('unist-util-generated')
-var collapseWhiteSpace = require('collapse-white-space')
-
-module.exports = rule(
+const remarkLintNoUnneededFullReferenceLink = lintRule(
   'remark-lint:no-unneeded-full-reference-link',
   noUnneededFullReferenceLink
 )
 
+export default remarkLintNoUnneededFullReferenceLink
+
 var reason = 'Remove the link label as it matches the reference text'
 
 function noUnneededFullReferenceLink(tree, file) {
diff --git a/packages/remark-lint-no-unneeded-full-reference-link/package.json b/packages/remark-lint-no-unneeded-full-reference-link/package.json
index 1b7c5513..298a5e32 100644
--- a/packages/remark-lint-no-unneeded-full-reference-link/package.json
+++ b/packages/remark-lint-no-unneeded-full-reference-link/package.json
@@ -23,6 +23,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-no-unused-definitions/index.js b/packages/remark-lint-no-unused-definitions/index.js
index 5614bb5c..74964460 100644
--- a/packages/remark-lint-no-unused-definitions/index.js
+++ b/packages/remark-lint-no-unused-definitions/index.js
@@ -21,13 +21,16 @@
  *   1:1-1:27: Found unused definition
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import generated from 'unist-util-generated'
+import visit from 'unist-util-visit'
 
-var rule = require('unified-lint-rule')
-var generated = require('unist-util-generated')
-var visit = require('unist-util-visit')
+const remarkLintNoUnusedDefinitions = lintRule(
+  'remark-lint:no-unused-definitions',
+  noUnusedDefinitions
+)
 
-module.exports = rule('remark-lint:no-unused-definitions', noUnusedDefinitions)
+export default remarkLintNoUnusedDefinitions
 
 var reason = 'Found unused definition'
 
diff --git a/packages/remark-lint-no-unused-definitions/package.json b/packages/remark-lint-no-unused-definitions/package.json
index ae54f5a0..23e8e195 100644
--- a/packages/remark-lint-no-unused-definitions/package.json
+++ b/packages/remark-lint-no-unused-definitions/package.json
@@ -20,6 +20,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-ordered-list-marker-style/index.js b/packages/remark-lint-ordered-list-marker-style/index.js
index e93313d5..2b274262 100644
--- a/packages/remark-lint-ordered-list-marker-style/index.js
+++ b/packages/remark-lint-ordered-list-marker-style/index.js
@@ -49,18 +49,18 @@
  *   1:1: Incorrect ordered list item marker style `💩`: use either `'.'` or `')'`
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var position = require('unist-util-position')
-var generated = require('unist-util-generated')
-
-module.exports = rule(
+const remarkLintOrderedListMarkerStyle = lintRule(
   'remark-lint:ordered-list-marker-style',
   orderedListMarkerStyle
 )
 
+export default remarkLintOrderedListMarkerStyle
+
 var start = position.start
 
 var styles = {
diff --git a/packages/remark-lint-ordered-list-marker-style/package.json b/packages/remark-lint-ordered-list-marker-style/package.json
index da165685..421f5877 100644
--- a/packages/remark-lint-ordered-list-marker-style/package.json
+++ b/packages/remark-lint-ordered-list-marker-style/package.json
@@ -22,6 +22,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-ordered-list-marker-value/index.js b/packages/remark-lint-ordered-list-marker-value/index.js
index fcf28db7..94dc3cb2 100644
--- a/packages/remark-lint-ordered-list-marker-value/index.js
+++ b/packages/remark-lint-ordered-list-marker-value/index.js
@@ -126,18 +126,18 @@
  *   1:1: Incorrect ordered list item marker value `💩`: use either `'ordered'` or `'one'`
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var position = require('unist-util-position')
-var generated = require('unist-util-generated')
-
-module.exports = rule(
+const remarkLintOrderedListMarkerValue = lintRule(
   'remark-lint:ordered-list-marker-value',
   orderedListMarkerValue
 )
 
+export default remarkLintOrderedListMarkerValue
+
 var start = position.start
 
 var styles = {ordered: true, single: true, one: true}
diff --git a/packages/remark-lint-ordered-list-marker-value/package.json b/packages/remark-lint-ordered-list-marker-value/package.json
index b1b97e1c..158acc34 100644
--- a/packages/remark-lint-ordered-list-marker-value/package.json
+++ b/packages/remark-lint-ordered-list-marker-value/package.json
@@ -22,6 +22,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-rule-style/index.js b/packages/remark-lint-rule-style/index.js
index 8add5a4b..6fbe27e7 100644
--- a/packages/remark-lint-rule-style/index.js
+++ b/packages/remark-lint-rule-style/index.js
@@ -55,14 +55,14 @@
  *   1:1: Incorrect preferred rule style: provide a correct markdown rule or `'consistent'`
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var position = require('unist-util-position')
-var generated = require('unist-util-generated')
+const remarkLintRuleStyle = lintRule('remark-lint:rule-style', ruleStyle)
 
-module.exports = rule('remark-lint:rule-style', ruleStyle)
+export default remarkLintRuleStyle
 
 var start = position.start
 var end = position.end
diff --git a/packages/remark-lint-rule-style/package.json b/packages/remark-lint-rule-style/package.json
index 29361b70..4ae181a7 100644
--- a/packages/remark-lint-rule-style/package.json
+++ b/packages/remark-lint-rule-style/package.json
@@ -22,6 +22,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-strikethrough-marker/index.js b/packages/remark-lint-strikethrough-marker/index.js
index 5a2a07c4..5b39b7fb 100644
--- a/packages/remark-lint-strikethrough-marker/index.js
+++ b/packages/remark-lint-strikethrough-marker/index.js
@@ -54,14 +54,17 @@
  *   1:1: Incorrect strikethrough marker `💩`: use either `'consistent'`, `'~'`, or `'~~'`
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var position = require('unist-util-position')
-var generated = require('unist-util-generated')
+const remarkLintStrikethroughMarker = lintRule(
+  'remark-lint:strikethrough-marker',
+  strikethroughMarker
+)
 
-module.exports = rule('remark-lint:strikethrough-marker', strikethroughMarker)
+export default remarkLintStrikethroughMarker
 
 var markers = {null: true, '~': true, '~~': true}
 
diff --git a/packages/remark-lint-strikethrough-marker/package.json b/packages/remark-lint-strikethrough-marker/package.json
index 31fd8c36..5ed8d705 100644
--- a/packages/remark-lint-strikethrough-marker/package.json
+++ b/packages/remark-lint-strikethrough-marker/package.json
@@ -22,6 +22,9 @@
     "Denis Augsburger <denis.augsburger@simpleen.io> (https://simpleen.io)",
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-strong-marker/index.js b/packages/remark-lint-strong-marker/index.js
index 984cf91c..eecdfd79 100644
--- a/packages/remark-lint-strong-marker/index.js
+++ b/packages/remark-lint-strong-marker/index.js
@@ -51,14 +51,17 @@
  *   1:1: Incorrect strong marker `💩`: use either `'consistent'`, `'*'`, or `'_'`
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var position = require('unist-util-position')
-var generated = require('unist-util-generated')
+const remarkLintStrongMarker = lintRule(
+  'remark-lint:strong-marker',
+  strongMarker
+)
 
-module.exports = rule('remark-lint:strong-marker', strongMarker)
+export default remarkLintStrongMarker
 
 var markers = {'*': true, _: true, null: true}
 
diff --git a/packages/remark-lint-strong-marker/package.json b/packages/remark-lint-strong-marker/package.json
index a4810093..4e83bfe6 100644
--- a/packages/remark-lint-strong-marker/package.json
+++ b/packages/remark-lint-strong-marker/package.json
@@ -22,6 +22,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-table-cell-padding/index.js b/packages/remark-lint-table-cell-padding/index.js
index f1dc83d7..3b4e080c 100644
--- a/packages/remark-lint-table-cell-padding/index.js
+++ b/packages/remark-lint-table-cell-padding/index.js
@@ -154,14 +154,17 @@
  *   | Echo  | Foxtrot |
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var position = require('unist-util-position')
-var generated = require('unist-util-generated')
+const remarkLintTableCellPadding = lintRule(
+  'remark-lint:table-cell-padding',
+  tableCellPadding
+)
 
-module.exports = rule('remark-lint:table-cell-padding', tableCellPadding)
+export default remarkLintTableCellPadding
 
 var start = position.start
 var end = position.end
diff --git a/packages/remark-lint-table-cell-padding/package.json b/packages/remark-lint-table-cell-padding/package.json
index d539d3a2..b4e2facc 100644
--- a/packages/remark-lint-table-cell-padding/package.json
+++ b/packages/remark-lint-table-cell-padding/package.json
@@ -22,6 +22,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-table-pipe-alignment/index.js b/packages/remark-lint-table-pipe-alignment/index.js
index 35ebff71..8c927183 100644
--- a/packages/remark-lint-table-pipe-alignment/index.js
+++ b/packages/remark-lint-table-pipe-alignment/index.js
@@ -43,14 +43,17 @@
  *   3:17-3:18: Misaligned table fence
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var position = require('unist-util-position')
-var generated = require('unist-util-generated')
+const remarkLintTablePipeAlignment = lintRule(
+  'remark-lint:table-pipe-alignment',
+  tablePipeAlignment
+)
 
-module.exports = rule('remark-lint:table-pipe-alignment', tablePipeAlignment)
+export default remarkLintTablePipeAlignment
 
 var start = position.start
 var end = position.end
diff --git a/packages/remark-lint-table-pipe-alignment/package.json b/packages/remark-lint-table-pipe-alignment/package.json
index df68e4ba..837a1ded 100644
--- a/packages/remark-lint-table-pipe-alignment/package.json
+++ b/packages/remark-lint-table-pipe-alignment/package.json
@@ -23,6 +23,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-table-pipes/index.js b/packages/remark-lint-table-pipes/index.js
index e77c0518..b7a3fb8b 100644
--- a/packages/remark-lint-table-pipes/index.js
+++ b/packages/remark-lint-table-pipes/index.js
@@ -37,14 +37,14 @@
  *   3:14: Missing final pipe in table fence
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var position = require('unist-util-position')
-var generated = require('unist-util-generated')
+const remarkLintTablePipes = lintRule('remark-lint:table-pipes', tablePipes)
 
-module.exports = rule('remark-lint:table-pipes', tablePipes)
+export default remarkLintTablePipes
 
 var start = position.start
 var end = position.end
diff --git a/packages/remark-lint-table-pipes/package.json b/packages/remark-lint-table-pipes/package.json
index b6d66bde..d096888f 100644
--- a/packages/remark-lint-table-pipes/package.json
+++ b/packages/remark-lint-table-pipes/package.json
@@ -22,6 +22,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint-unordered-list-marker-style/index.js b/packages/remark-lint-unordered-list-marker-style/index.js
index bed8c5ea..b3ea08b0 100644
--- a/packages/remark-lint-unordered-list-marker-style/index.js
+++ b/packages/remark-lint-unordered-list-marker-style/index.js
@@ -66,18 +66,18 @@
  *   1:1: Incorrect unordered list item marker style `💩`: use either `'-'`, `'*'`, or `'+'`
  */
 
-'use strict'
+import {lintRule} from 'unified-lint-rule'
+import visit from 'unist-util-visit'
+import position from 'unist-util-position'
+import generated from 'unist-util-generated'
 
-var rule = require('unified-lint-rule')
-var visit = require('unist-util-visit')
-var position = require('unist-util-position')
-var generated = require('unist-util-generated')
-
-module.exports = rule(
+const remarkLintUnorderedListMarkerStyle = lintRule(
   'remark-lint:unordered-list-marker-style',
   unorderedListMarkerStyle
 )
 
+export default remarkLintUnorderedListMarkerStyle
+
 var start = position.start
 
 var styles = {
diff --git a/packages/remark-lint-unordered-list-marker-style/package.json b/packages/remark-lint-unordered-list-marker-style/package.json
index 7ef3f51b..2df3603b 100644
--- a/packages/remark-lint-unordered-list-marker-style/package.json
+++ b/packages/remark-lint-unordered-list-marker-style/package.json
@@ -22,6 +22,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-lint/index.js b/packages/remark-lint/index.js
index 2bd148a1..22c15efd 100644
--- a/packages/remark-lint/index.js
+++ b/packages/remark-lint/index.js
@@ -1,16 +1,12 @@
-'use strict'
-
-var control = require('remark-message-control')
-
-module.exports = lint
+import remarkMessageControl from 'remark-message-control'
 
 // `remark-lint`.
 // This adds support for ignoring stuff from messages (`<!--lint ignore-->`).
 // All rules are in their own packages and presets.
-function lint() {
+export default function remarkLint() {
   this.use(lintMessageControl)
 }
 
 function lintMessageControl() {
-  return control({name: 'lint', source: 'remark-lint'})
+  return remarkMessageControl({name: 'lint', source: 'remark-lint'})
 }
diff --git a/packages/remark-lint/package.json b/packages/remark-lint/package.json
index d68bf9b3..8137c567 100644
--- a/packages/remark-lint/package.json
+++ b/packages/remark-lint/package.json
@@ -23,11 +23,14 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
   "dependencies": {
-    "remark-message-control": "^6.0.0"
+    "remark-message-control": "^7.0.0"
   },
   "xo": false
 }
diff --git a/packages/remark-preset-lint-consistent/index.js b/packages/remark-preset-lint-consistent/index.js
index 94e913f3..a2958335 100644
--- a/packages/remark-preset-lint-consistent/index.js
+++ b/packages/remark-preset-lint-consistent/index.js
@@ -4,20 +4,36 @@
  *   consistency.
  */
 
-'use strict'
+import remarkLint from 'remark-lint'
+import remarkLintBlockquoteIndentation from 'remark-lint-blockquote-indentation'
+import remarkLintCheckboxCharacterStyle from 'remark-lint-checkbox-character-style'
+import remarkLintCodeBlockStyle from 'remark-lint-code-block-style'
+import remarkLintEmphasisMarker from 'remark-lint-emphasis-marker'
+import remarkLintFencedCodeMarker from 'remark-lint-fenced-code-marker'
+import remarkLintHeadingStyle from 'remark-lint-heading-style'
+import remarkLintLinkTitleStyle from 'remark-lint-link-title-style'
+import remarkLintListItemContentIndent from 'remark-lint-list-item-content-indent'
+import remarkLintOrderedListMarkerStyle from 'remark-lint-ordered-list-marker-style'
+import remarkLintRuleStyle from 'remark-lint-rule-style'
+import remarkLintStrongMarker from 'remark-lint-strong-marker'
+import remarkLintTableCellPadding from 'remark-lint-table-cell-padding'
 
-module.exports.plugins = [
-  require('remark-lint'),
-  [require('remark-lint-blockquote-indentation'), 'consistent'],
-  [require('remark-lint-checkbox-character-style'), 'consistent'],
-  [require('remark-lint-code-block-style'), 'consistent'],
-  [require('remark-lint-emphasis-marker'), 'consistent'],
-  [require('remark-lint-fenced-code-marker'), 'consistent'],
-  [require('remark-lint-heading-style'), 'consistent'],
-  [require('remark-lint-link-title-style'), 'consistent'],
-  require('remark-lint-list-item-content-indent'),
-  [require('remark-lint-ordered-list-marker-style'), 'consistent'],
-  [require('remark-lint-rule-style'), 'consistent'],
-  [require('remark-lint-strong-marker'), 'consistent'],
-  [require('remark-lint-table-cell-padding'), 'consistent']
+const plugins = [
+  remarkLint,
+  [remarkLintBlockquoteIndentation, 'consistent'],
+  [remarkLintCheckboxCharacterStyle, 'consistent'],
+  [remarkLintCodeBlockStyle, 'consistent'],
+  [remarkLintEmphasisMarker, 'consistent'],
+  [remarkLintFencedCodeMarker, 'consistent'],
+  [remarkLintHeadingStyle, 'consistent'],
+  [remarkLintLinkTitleStyle, 'consistent'],
+  remarkLintListItemContentIndent,
+  [remarkLintOrderedListMarkerStyle, 'consistent'],
+  [remarkLintRuleStyle, 'consistent'],
+  [remarkLintStrongMarker, 'consistent'],
+  [remarkLintTableCellPadding, 'consistent']
 ]
+
+const remarkPresetLintConsistent = {plugins}
+
+export default remarkPresetLintConsistent
diff --git a/packages/remark-preset-lint-consistent/package.json b/packages/remark-preset-lint-consistent/package.json
index 0d802219..648bdbe2 100644
--- a/packages/remark-preset-lint-consistent/package.json
+++ b/packages/remark-preset-lint-consistent/package.json
@@ -20,6 +20,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-preset-lint-consistent/readme.md b/packages/remark-preset-lint-consistent/readme.md
index 27eb2787..e9f0f7a3 100644
--- a/packages/remark-preset-lint-consistent/readme.md
+++ b/packages/remark-preset-lint-consistent/readme.md
@@ -19,18 +19,18 @@ This preset configures [`remark-lint`](https://github.com/remarkjs/remark-lint)
 
 | Rule | Setting |
 | - | - |
-| [`blockquote-indentation`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-blockquote-indentation) | `'consistent'` |
-| [`checkbox-character-style`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-checkbox-character-style) | `'consistent'` |
-| [`code-block-style`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-code-block-style) | `'consistent'` |
-| [`emphasis-marker`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-emphasis-marker) | `'consistent'` |
-| [`fenced-code-marker`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-fenced-code-marker) | `'consistent'` |
-| [`heading-style`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-heading-style) | `'consistent'` |
-| [`link-title-style`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-link-title-style) | `'consistent'` |
-| [`list-item-content-indent`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-list-item-content-indent) | |
-| [`ordered-list-marker-style`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-ordered-list-marker-style) | `'consistent'` |
-| [`rule-style`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-rule-style) | `'consistent'` |
-| [`strong-marker`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-strong-marker) | `'consistent'` |
-| [`table-cell-padding`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-table-cell-padding) | `'consistent'` |
+| [`remark-lint-blockquote-indentation`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-blockquote-indentation) | `'consistent'` |
+| [`remark-lint-checkbox-character-style`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-checkbox-character-style) | `'consistent'` |
+| [`remark-lint-code-block-style`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-code-block-style) | `'consistent'` |
+| [`remark-lint-emphasis-marker`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-emphasis-marker) | `'consistent'` |
+| [`remark-lint-fenced-code-marker`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-fenced-code-marker) | `'consistent'` |
+| [`remark-lint-heading-style`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-heading-style) | `'consistent'` |
+| [`remark-lint-link-title-style`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-link-title-style) | `'consistent'` |
+| [`remark-lint-list-item-content-indent`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-list-item-content-indent) | |
+| [`remark-lint-ordered-list-marker-style`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-ordered-list-marker-style) | `'consistent'` |
+| [`remark-lint-rule-style`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-rule-style) | `'consistent'` |
+| [`remark-lint-strong-marker`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-strong-marker) | `'consistent'` |
+| [`remark-lint-table-cell-padding`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-table-cell-padding) | `'consistent'` |
 
 ## Install
 
diff --git a/packages/remark-preset-lint-markdown-style-guide/index.js b/packages/remark-preset-lint-markdown-style-guide/index.js
index 7a2c0d18..43a84dd1 100644
--- a/packages/remark-preset-lint-markdown-style-guide/index.js
+++ b/packages/remark-preset-lint-markdown-style-guide/index.js
@@ -96,35 +96,79 @@
  *   ```
  */
 
-'use strict'
-
-module.exports.plugins = [
-  require('remark-lint'),
+import remarkLint from 'remark-lint'
+import remarkLintFileExtension from 'remark-lint-file-extension'
+import remarkLintNoFileNameMixedCase from 'remark-lint-no-file-name-mixed-case'
+import remarkLintNoFileNameArticles from 'remark-lint-no-file-name-articles'
+import remarkLintNoFileNameIrregularCharacters from 'remark-lint-no-file-name-irregular-characters'
+import remarkLintNoFileNameConsecutiveDashes from 'remark-lint-no-file-name-consecutive-dashes'
+import remarkLintNoFileNameOuterDashes from 'remark-lint-no-file-name-outer-dashes'
+import remarkLintNoConsecutiveBlankLines from 'remark-lint-no-consecutive-blank-lines'
+import remarkLintMaximumLineLength from 'remark-lint-maximum-line-length'
+import remarkLintNoShellDollars from 'remark-lint-no-shell-dollars'
+import remarkLintHardBreakSpaces from 'remark-lint-hard-break-spaces'
+import remarkLintHeadingStyle from 'remark-lint-heading-style'
+import remarkLintHeadingIncrement from 'remark-lint-heading-increment'
+import remarkLintNoDuplicateHeadings from 'remark-lint-no-duplicate-headings'
+import remarkLintNoMultipleToplevelHeadings from 'remark-lint-no-multiple-toplevel-headings'
+import remarkLintMaximumHeadingLength from 'remark-lint-maximum-heading-length'
+import remarkLintNoHeadingPunctuation from 'remark-lint-no-heading-punctuation'
+import remarkLintBlockquoteIndentation from 'remark-lint-blockquote-indentation'
+import remarkLintNoBlockquoteWithoutMarker from 'remark-lint-no-blockquote-without-marker'
+import remarkLintUnorderedListMarkerStyle from 'remark-lint-unordered-list-marker-style'
+import remarkLintOrderedListMarkerStyle from 'remark-lint-ordered-list-marker-style'
+import remarkLintOrderedListMarkerValue from 'remark-lint-ordered-list-marker-value'
+import remarkLintListItemIndent from 'remark-lint-list-item-indent'
+import remarkLintListItemContentIndent from 'remark-lint-list-item-content-indent'
+import remarkLintListItemSpacing from 'remark-lint-list-item-spacing'
+import remarkLintCodeBlockStyle from 'remark-lint-code-block-style'
+import remarkLintFencedCodeFlag from 'remark-lint-fenced-code-flag'
+import remarkLintFencedCodeMarker from 'remark-lint-fenced-code-marker'
+import remarkLintRuleStyle from 'remark-lint-rule-style'
+import remarkLintNoTableIndentation from 'remark-lint-no-table-indentation'
+import remarkLintTablePipes from 'remark-lint-table-pipes'
+import remarkLintTablePipeAlignment from 'remark-lint-table-pipe-alignment'
+import remarkLintTableCellPadding from 'remark-lint-table-cell-padding'
+import remarkLintNoInlinePadding from 'remark-lint-no-inline-padding'
+import remarkLintNoShortcutReferenceImage from 'remark-lint-no-shortcut-reference-image'
+import remarkLintNoShortcutReferenceLink from 'remark-lint-no-shortcut-reference-link'
+import remarkLintFinalDefinition from 'remark-lint-final-definition'
+import remarkLintDefinitionCase from 'remark-lint-definition-case'
+import remarkLintDefinitionSpacing from 'remark-lint-definition-spacing'
+import remarkLintLinkTitleStyle from 'remark-lint-link-title-style'
+import remarkLintStrongMarker from 'remark-lint-strong-marker'
+import remarkLintEmphasisMarker from 'remark-lint-emphasis-marker'
+import remarkLintNoEmphasisAsHeading from 'remark-lint-no-emphasis-as-heading'
+import remarkLintNoLiteralUrls from 'remark-lint-no-literal-urls'
+import remarkLintNoAutoLinkWithoutProtocol from 'remark-lint-no-auto-link-without-protocol'
+
+const plugins = [
+  remarkLint,
 
   // http://www.cirosantilli.com/markdown-style-guide/#file-extension
-  [require('remark-lint-file-extension'), 'md'],
+  [remarkLintFileExtension, 'md'],
 
   // http://www.cirosantilli.com/markdown-style-guide/#file-name
-  require('remark-lint-no-file-name-mixed-case'),
-  require('remark-lint-no-file-name-articles'),
-  require('remark-lint-no-file-name-irregular-characters'),
-  require('remark-lint-no-file-name-consecutive-dashes'),
-  require('remark-lint-no-file-name-outer-dashes'),
+  remarkLintNoFileNameMixedCase,
+  remarkLintNoFileNameArticles,
+  remarkLintNoFileNameIrregularCharacters,
+  remarkLintNoFileNameConsecutiveDashes,
+  remarkLintNoFileNameOuterDashes,
 
   // http://www.cirosantilli.com/markdown-style-guide/#newlines
   // http://www.cirosantilli.com/markdown-style-guide/#empty-lines-around-lists
   // http://www.cirosantilli.com/markdown-style-guide/#tables
-  require('remark-lint-no-consecutive-blank-lines'),
+  remarkLintNoConsecutiveBlankLines,
 
   // http://www.cirosantilli.com/markdown-style-guide/#spaces-after-sentences.
   // Not enforced, cannot be done properly without false positives, if you
   // want this, use remark-retext and retext-sentence-spacing.
 
   // http://www.cirosantilli.com/markdown-style-guide/#line-wrapping
-  [require('remark-lint-maximum-line-length'), 80],
+  [remarkLintMaximumLineLength, 80],
 
   // http://www.cirosantilli.com/markdown-style-guide/#dollar-signs-in-shell-code
-  require('remark-lint-no-shell-dollars'),
+  remarkLintNoShellDollars,
 
   // http://www.cirosantilli.com/markdown-style-guide/#what-to-mark-as-code.
   // This is a tip, not a rule.
@@ -134,15 +178,15 @@ module.exports.plugins = [
   // use remark-retext and retext-spell.
 
   // http://www.cirosantilli.com/markdown-style-guide/#line-breaks
-  require('remark-lint-hard-break-spaces'),
+  remarkLintHardBreakSpaces,
 
   // http://www.cirosantilli.com/markdown-style-guide/#headers
-  [require('remark-lint-heading-style'), 'atx'],
-  require('remark-lint-heading-increment'),
-  require('remark-lint-no-duplicate-headings'),
+  [remarkLintHeadingStyle, 'atx'],
+  remarkLintHeadingIncrement,
+  remarkLintNoDuplicateHeadings,
 
   // http://www.cirosantilli.com/markdown-style-guide/#top-level-header
-  require('remark-lint-no-multiple-toplevel-headings'),
+  remarkLintNoMultipleToplevelHeadings,
 
   // http://www.cirosantilli.com/markdown-style-guide/#header-case.
   // Heading case isn’t tested yet: new rules to fix this are ok though!
@@ -151,33 +195,33 @@ module.exports.plugins = [
   // Cannot be checked?
 
   // http://www.cirosantilli.com/markdown-style-guide/#header-length
-  require('remark-lint-maximum-heading-length'),
+  remarkLintMaximumHeadingLength,
 
   // http://www.cirosantilli.com/markdown-style-guide/#punctuation-at-the-end-of-headers
-  [require('remark-lint-no-heading-punctuation'), ':.'],
+  [remarkLintNoHeadingPunctuation, ':.'],
 
   // http://www.cirosantilli.com/markdown-style-guide/#header-synonyms.
   // Cannot be checked?
 
   // http://www.cirosantilli.com/markdown-style-guide/#blockquotes
-  [require('remark-lint-blockquote-indentation'), 2],
-  require('remark-lint-no-blockquote-without-marker'),
+  [remarkLintBlockquoteIndentation, 2],
+  remarkLintNoBlockquoteWithoutMarker,
 
   // http://www.cirosantilli.com/markdown-style-guide/#unordered
-  [require('remark-lint-unordered-list-marker-style'), '-'],
+  [remarkLintUnorderedListMarkerStyle, '-'],
 
   // http://www.cirosantilli.com/markdown-style-guide/#ordered
-  [require('remark-lint-ordered-list-marker-style'), '.'],
-  [require('remark-lint-ordered-list-marker-value'), 'one'],
+  [remarkLintOrderedListMarkerStyle, '.'],
+  [remarkLintOrderedListMarkerValue, 'one'],
 
   // http://www.cirosantilli.com/markdown-style-guide/#spaces-after-list-marker
-  [require('remark-lint-list-item-indent'), 'mixed'],
+  [remarkLintListItemIndent, 'mixed'],
 
   // http://www.cirosantilli.com/markdown-style-guide/#indentation-of-content-inside-lists
-  require('remark-lint-list-item-content-indent'),
+  remarkLintListItemContentIndent,
 
   // http://www.cirosantilli.com/markdown-style-guide/#empty-lines-inside-lists
-  require('remark-lint-list-item-spacing'),
+  remarkLintListItemSpacing,
 
   // http://www.cirosantilli.com/markdown-style-guide/#case-of-first-letter-of-list-item
   // Not checked.
@@ -189,53 +233,57 @@ module.exports.plugins = [
   // Not checked.
 
   // http://www.cirosantilli.com/markdown-style-guide/#code-blocks
-  [require('remark-lint-code-block-style'), 'fenced'],
-  [require('remark-lint-fenced-code-flag'), {allowEmpty: false}],
-  [require('remark-lint-fenced-code-marker'), '`'],
+  [remarkLintCodeBlockStyle, 'fenced'],
+  [remarkLintFencedCodeFlag, {allowEmpty: false}],
+  [remarkLintFencedCodeMarker, '`'],
 
   // http://www.cirosantilli.com/markdown-style-guide/#horizontal-rules
-  [require('remark-lint-rule-style'), '---'],
+  [remarkLintRuleStyle, '---'],
 
   // http://www.cirosantilli.com/markdown-style-guide/#tables
-  require('remark-lint-no-table-indentation'),
-  require('remark-lint-table-pipes'),
-  require('remark-lint-table-pipe-alignment'),
-  [require('remark-lint-table-cell-padding'), 'padded'],
+  remarkLintNoTableIndentation,
+  remarkLintTablePipes,
+  remarkLintTablePipeAlignment,
+  [remarkLintTableCellPadding, 'padded'],
 
   // http://www.cirosantilli.com/markdown-style-guide/#separate-consecutive-elements.
   // Not checked.
 
   // http://www.cirosantilli.com/markdown-style-guide/#span-elements
-  require('remark-lint-no-inline-padding'),
+  remarkLintNoInlinePadding,
 
   // http://www.cirosantilli.com/markdown-style-guide/#reference-style-links
-  require('remark-lint-no-shortcut-reference-image'),
-  require('remark-lint-no-shortcut-reference-link'),
-  require('remark-lint-final-definition'),
-  require('remark-lint-definition-case'),
-  require('remark-lint-definition-spacing'),
+  remarkLintNoShortcutReferenceImage,
+  remarkLintNoShortcutReferenceLink,
+  remarkLintFinalDefinition,
+  remarkLintDefinitionCase,
+  remarkLintDefinitionSpacing,
 
   // http://www.cirosantilli.com/markdown-style-guide/#single-or-double-quote-titles
-  [require('remark-lint-link-title-style'), '"'],
+  [remarkLintLinkTitleStyle, '"'],
 
   // http://www.cirosantilli.com/markdown-style-guide/#bold
-  [require('remark-lint-strong-marker'), '*'],
+  [remarkLintStrongMarker, '*'],
 
   // http://www.cirosantilli.com/markdown-style-guide/#italic
-  [require('remark-lint-emphasis-marker'), '*'],
+  [remarkLintEmphasisMarker, '*'],
 
   // http://www.cirosantilli.com/markdown-style-guide/#uppercase-for-emphasis.
   // Not checked.
 
   // http://www.cirosantilli.com/markdown-style-guide/#emphasis-vs-headers
-  require('remark-lint-no-emphasis-as-heading'),
+  remarkLintNoEmphasisAsHeading,
 
   // http://www.cirosantilli.com/markdown-style-guide/#automatic-links-without-angle-brackets
-  require('remark-lint-no-literal-urls'),
+  remarkLintNoLiteralUrls,
 
   // http://www.cirosantilli.com/markdown-style-guide/#content-of-automatic-links
-  require('remark-lint-no-auto-link-without-protocol')
+  remarkLintNoAutoLinkWithoutProtocol
 
   // http://www.cirosantilli.com/markdown-style-guide/#email-automatic-links.
   // Not checked.
 ]
+
+const remarkPresetLintMarkdownStyleGuide = {plugins}
+
+export default remarkPresetLintMarkdownStyleGuide
diff --git a/packages/remark-preset-lint-markdown-style-guide/package.json b/packages/remark-preset-lint-markdown-style-guide/package.json
index fbecdc1d..2086d7cb 100644
--- a/packages/remark-preset-lint-markdown-style-guide/package.json
+++ b/packages/remark-preset-lint-markdown-style-guide/package.json
@@ -21,6 +21,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-preset-lint-markdown-style-guide/readme.md b/packages/remark-preset-lint-markdown-style-guide/readme.md
index 74ccad02..fe8f41f5 100644
--- a/packages/remark-preset-lint-markdown-style-guide/readme.md
+++ b/packages/remark-preset-lint-markdown-style-guide/readme.md
@@ -111,50 +111,50 @@ This preset configures [`remark-lint`](https://github.com/remarkjs/remark-lint)
 
 | Rule | Setting |
 | - | - |
-| [`file-extension`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-file-extension) | `'md'` |
-| [`no-file-name-mixed-case`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-file-name-mixed-case) | |
-| [`no-file-name-articles`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-file-name-articles) | |
-| [`no-file-name-irregular-characters`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-file-name-irregular-characters) | |
-| [`no-file-name-consecutive-dashes`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-file-name-consecutive-dashes) | |
-| [`no-file-name-outer-dashes`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-file-name-outer-dashes) | |
-| [`no-consecutive-blank-lines`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-consecutive-blank-lines) | |
-| [`maximum-line-length`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-maximum-line-length) | `80` |
-| [`no-shell-dollars`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-shell-dollars) | |
-| [`hard-break-spaces`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-hard-break-spaces) | |
-| [`heading-style`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-heading-style) | `'atx'` |
-| [`heading-increment`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-heading-increment) | |
-| [`no-duplicate-headings`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-duplicate-headings) | |
-| [`no-multiple-toplevel-headings`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-multiple-toplevel-headings) | |
-| [`maximum-heading-length`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-maximum-heading-length) | |
-| [`no-heading-punctuation`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-heading-punctuation) | `':.'` |
-| [`blockquote-indentation`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-blockquote-indentation) | `2` |
-| [`no-blockquote-without-marker`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-blockquote-without-marker) | |
-| [`unordered-list-marker-style`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-unordered-list-marker-style) | `'-'` |
-| [`ordered-list-marker-style`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-ordered-list-marker-style) | `'.'` |
-| [`ordered-list-marker-value`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-ordered-list-marker-value) | `'one'` |
-| [`list-item-indent`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-list-item-indent) | `'mixed'` |
-| [`list-item-content-indent`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-list-item-content-indent) | |
-| [`list-item-spacing`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-list-item-spacing) | |
-| [`code-block-style`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-code-block-style) | `'fenced'` |
-| [`fenced-code-flag`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-fenced-code-flag) | `{allowEmpty: false}` |
-| [`fenced-code-marker`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-fenced-code-marker) | ``'`'`` |
-| [`rule-style`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-rule-style) | `'---'` |
-| [`no-table-indentation`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-table-indentation) | |
-| [`table-pipes`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-table-pipes) | |
-| [`table-pipe-alignment`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-table-pipe-alignment) | |
-| [`table-cell-padding`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-table-cell-padding) | `'padded'` |
-| [`no-inline-padding`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-inline-padding) | |
-| [`no-shortcut-reference-image`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-shortcut-reference-image) | |
-| [`no-shortcut-reference-link`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-shortcut-reference-link) | |
-| [`final-definition`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-final-definition) | |
-| [`definition-case`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-definition-case) | |
-| [`definition-spacing`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-definition-spacing) | |
-| [`link-title-style`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-link-title-style) | `'"'` |
-| [`strong-marker`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-strong-marker) | `'*'` |
-| [`emphasis-marker`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-emphasis-marker) | `'*'` |
-| [`no-emphasis-as-heading`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-emphasis-as-heading) | |
-| [`no-literal-urls`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-literal-urls) | |
-| [`no-auto-link-without-protocol`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-auto-link-without-protocol) | |
+| [`remark-lint-file-extension`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-file-extension) | `'md'` |
+| [`remark-lint-no-file-name-mixed-case`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-file-name-mixed-case) | |
+| [`remark-lint-no-file-name-articles`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-file-name-articles) | |
+| [`remark-lint-no-file-name-irregular-characters`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-file-name-irregular-characters) | |
+| [`remark-lint-no-file-name-consecutive-dashes`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-file-name-consecutive-dashes) | |
+| [`remark-lint-no-file-name-outer-dashes`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-file-name-outer-dashes) | |
+| [`remark-lint-no-consecutive-blank-lines`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-consecutive-blank-lines) | |
+| [`remark-lint-maximum-line-length`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-maximum-line-length) | `80` |
+| [`remark-lint-no-shell-dollars`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-shell-dollars) | |
+| [`remark-lint-hard-break-spaces`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-hard-break-spaces) | |
+| [`remark-lint-heading-style`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-heading-style) | `'atx'` |
+| [`remark-lint-heading-increment`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-heading-increment) | |
+| [`remark-lint-no-duplicate-headings`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-duplicate-headings) | |
+| [`remark-lint-no-multiple-toplevel-headings`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-multiple-toplevel-headings) | |
+| [`remark-lint-maximum-heading-length`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-maximum-heading-length) | |
+| [`remark-lint-no-heading-punctuation`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-heading-punctuation) | `':.'` |
+| [`remark-lint-blockquote-indentation`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-blockquote-indentation) | `2` |
+| [`remark-lint-no-blockquote-without-marker`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-blockquote-without-marker) | |
+| [`remark-lint-unordered-list-marker-style`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-unordered-list-marker-style) | `'-'` |
+| [`remark-lint-ordered-list-marker-style`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-ordered-list-marker-style) | `'.'` |
+| [`remark-lint-ordered-list-marker-value`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-ordered-list-marker-value) | `'one'` |
+| [`remark-lint-list-item-indent`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-list-item-indent) | `'mixed'` |
+| [`remark-lint-list-item-content-indent`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-list-item-content-indent) | |
+| [`remark-lint-list-item-spacing`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-list-item-spacing) | |
+| [`remark-lint-code-block-style`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-code-block-style) | `'fenced'` |
+| [`remark-lint-fenced-code-flag`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-fenced-code-flag) | `{ allowEmpty: false }` |
+| [`remark-lint-fenced-code-marker`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-fenced-code-marker) | ``'`'`` |
+| [`remark-lint-rule-style`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-rule-style) | `'---'` |
+| [`remark-lint-no-table-indentation`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-table-indentation) | |
+| [`remark-lint-table-pipes`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-table-pipes) | |
+| [`remark-lint-table-pipe-alignment`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-table-pipe-alignment) | |
+| [`remark-lint-table-cell-padding`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-table-cell-padding) | `'padded'` |
+| [`remark-lint-no-inline-padding`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-inline-padding) | |
+| [`remark-lint-no-shortcut-reference-image`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-shortcut-reference-image) | |
+| [`remark-lint-no-shortcut-reference-link`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-shortcut-reference-link) | |
+| [`remark-lint-final-definition`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-final-definition) | |
+| [`remark-lint-definition-case`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-definition-case) | |
+| [`remark-lint-definition-spacing`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-definition-spacing) | |
+| [`remark-lint-link-title-style`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-link-title-style) | `'"'` |
+| [`remark-lint-strong-marker`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-strong-marker) | `'*'` |
+| [`remark-lint-emphasis-marker`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-emphasis-marker) | `'*'` |
+| [`remark-lint-no-emphasis-as-heading`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-emphasis-as-heading) | |
+| [`remark-lint-no-literal-urls`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-literal-urls) | |
+| [`remark-lint-no-auto-link-without-protocol`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-auto-link-without-protocol) | |
 
 ## Install
 
diff --git a/packages/remark-preset-lint-recommended/index.js b/packages/remark-preset-lint-recommended/index.js
index 4e8677f5..01de2c37 100644
--- a/packages/remark-preset-lint-recommended/index.js
+++ b/packages/remark-preset-lint-recommended/index.js
@@ -4,27 +4,46 @@
  *   mistakes or stuff that fails across vendors.
  */
 
-'use strict'
+import remarkLint from 'remark-lint'
+import remarkLintFinalNewline from 'remark-lint-final-newline'
+import remarkLintListItemBulletIndent from 'remark-lint-list-item-bullet-indent'
+import remarkLintListItemIndent from 'remark-lint-list-item-indent'
+import remarkLintNoAutoLinkWithoutProtocol from 'remark-lint-no-auto-link-without-protocol'
+import remarkLintNoBlockquoteWithoutMarker from 'remark-lint-no-blockquote-without-marker'
+import remarkLintNoLiteralUrls from 'remark-lint-no-literal-urls'
+import remarkLintOrderedListMarkerStyle from 'remark-lint-ordered-list-marker-style'
+import remarkLintHardBreakSpaces from 'remark-lint-hard-break-spaces'
+import remarkLintNoDuplicateDefinitions from 'remark-lint-no-duplicate-definitions'
+import remarkLintNoHeadingContentIndent from 'remark-lint-no-heading-content-indent'
+import remarkLintNoInlinePadding from 'remark-lint-no-inline-padding'
+import remarkLintNoShortcutReferenceImage from 'remark-lint-no-shortcut-reference-image'
+import remarkLintNoShortcutReferenceLink from 'remark-lint-no-shortcut-reference-link'
+import remarkLintNoUndefinedReferences from 'remark-lint-no-undefined-references'
+import remarkLintNoUnusedDefinitions from 'remark-lint-no-unused-definitions'
 
-module.exports.plugins = [
-  require('remark-lint'),
+const plugins = [
+  remarkLint,
   // Unix compatibility.
-  require('remark-lint-final-newline'),
+  remarkLintFinalNewline,
   // Rendering across vendors differs greatly if using other styles.
-  require('remark-lint-list-item-bullet-indent'),
-  [require('remark-lint-list-item-indent'), 'tab-size'],
+  remarkLintListItemBulletIndent,
+  [remarkLintListItemIndent, 'tab-size'],
   // Differs or unsupported across vendors.
-  require('remark-lint-no-auto-link-without-protocol'),
-  require('remark-lint-no-blockquote-without-marker'),
-  require('remark-lint-no-literal-urls'),
-  [require('remark-lint-ordered-list-marker-style'), '.'],
+  remarkLintNoAutoLinkWithoutProtocol,
+  remarkLintNoBlockquoteWithoutMarker,
+  remarkLintNoLiteralUrls,
+  [remarkLintOrderedListMarkerStyle, '.'],
   // Mistakes.
-  require('remark-lint-hard-break-spaces'),
-  require('remark-lint-no-duplicate-definitions'),
-  require('remark-lint-no-heading-content-indent'),
-  require('remark-lint-no-inline-padding'),
-  require('remark-lint-no-shortcut-reference-image'),
-  require('remark-lint-no-shortcut-reference-link'),
-  require('remark-lint-no-undefined-references'),
-  require('remark-lint-no-unused-definitions')
+  remarkLintHardBreakSpaces,
+  remarkLintNoDuplicateDefinitions,
+  remarkLintNoHeadingContentIndent,
+  remarkLintNoInlinePadding,
+  remarkLintNoShortcutReferenceImage,
+  remarkLintNoShortcutReferenceLink,
+  remarkLintNoUndefinedReferences,
+  remarkLintNoUnusedDefinitions
 ]
+
+const remarkPresetLintRecommended = {plugins}
+
+export default remarkPresetLintRecommended
diff --git a/packages/remark-preset-lint-recommended/package.json b/packages/remark-preset-lint-recommended/package.json
index 31e460be..f49c8bd4 100644
--- a/packages/remark-preset-lint-recommended/package.json
+++ b/packages/remark-preset-lint-recommended/package.json
@@ -19,6 +19,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/remark-preset-lint-recommended/readme.md b/packages/remark-preset-lint-recommended/readme.md
index de623c4d..2911839d 100644
--- a/packages/remark-preset-lint-recommended/readme.md
+++ b/packages/remark-preset-lint-recommended/readme.md
@@ -19,21 +19,21 @@ This preset configures [`remark-lint`](https://github.com/remarkjs/remark-lint)
 
 | Rule | Setting |
 | - | - |
-| [`final-newline`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-final-newline) | |
-| [`list-item-bullet-indent`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-list-item-bullet-indent) | |
-| [`list-item-indent`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-list-item-indent) | `'tab-size'` |
-| [`no-auto-link-without-protocol`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-auto-link-without-protocol) | |
-| [`no-blockquote-without-marker`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-blockquote-without-marker) | |
-| [`no-literal-urls`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-literal-urls) | |
-| [`ordered-list-marker-style`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-ordered-list-marker-style) | `'.'` |
-| [`hard-break-spaces`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-hard-break-spaces) | |
-| [`no-duplicate-definitions`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-duplicate-definitions) | |
-| [`no-heading-content-indent`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-heading-content-indent) | |
-| [`no-inline-padding`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-inline-padding) | |
-| [`no-shortcut-reference-image`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-shortcut-reference-image) | |
-| [`no-shortcut-reference-link`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-shortcut-reference-link) | |
-| [`no-undefined-references`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-undefined-references) | |
-| [`no-unused-definitions`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-unused-definitions) | |
+| [`remark-lint-final-newline`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-final-newline) | |
+| [`remark-lint-list-item-bullet-indent`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-list-item-bullet-indent) | |
+| [`remark-lint-list-item-indent`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-list-item-indent) | `'tab-size'` |
+| [`remark-lint-no-auto-link-without-protocol`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-auto-link-without-protocol) | |
+| [`remark-lint-no-blockquote-without-marker`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-blockquote-without-marker) | |
+| [`remark-lint-no-literal-urls`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-literal-urls) | |
+| [`remark-lint-ordered-list-marker-style`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-ordered-list-marker-style) | `'.'` |
+| [`remark-lint-hard-break-spaces`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-hard-break-spaces) | |
+| [`remark-lint-no-duplicate-definitions`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-duplicate-definitions) | |
+| [`remark-lint-no-heading-content-indent`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-heading-content-indent) | |
+| [`remark-lint-no-inline-padding`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-inline-padding) | |
+| [`remark-lint-no-shortcut-reference-image`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-shortcut-reference-image) | |
+| [`remark-lint-no-shortcut-reference-link`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-shortcut-reference-link) | |
+| [`remark-lint-no-undefined-references`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-undefined-references) | |
+| [`remark-lint-no-unused-definitions`](https://github.com/remarkjs/remark-lint/tree/main/packages/remark-lint-no-unused-definitions) | |
 
 ## Install
 
diff --git a/packages/unified-lint-rule/index.js b/packages/unified-lint-rule/index.js
index 852c4684..a51ca727 100644
--- a/packages/unified-lint-rule/index.js
+++ b/packages/unified-lint-rule/index.js
@@ -1,10 +1,6 @@
-'use strict'
+import wrapped from 'wrapped'
 
-var wrapped = require('wrapped')
-
-module.exports = factory
-
-function factory(id, rule) {
+export function lintRule(id, rule) {
   var parts = id.split(':')
   var source = parts[0]
   var ruleId = parts[1]
diff --git a/packages/unified-lint-rule/package.json b/packages/unified-lint-rule/package.json
index 052de485..6bd83b74 100644
--- a/packages/unified-lint-rule/package.json
+++ b/packages/unified-lint-rule/package.json
@@ -20,6 +20,9 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
     "index.js"
   ],
diff --git a/packages/unified-lint-rule/readme.md b/packages/unified-lint-rule/readme.md
index 198f7b9d..f662af8b 100644
--- a/packages/unified-lint-rule/readme.md
+++ b/packages/unified-lint-rule/readme.md
@@ -23,9 +23,11 @@ npm install unified-lint-rule
 ## Use
 
 ```js
-var rule = require('unified-lint-rule')
+import unifiedLintRule from 'unified-lint-rule'
 
-module.exports = rule('remark-lint:file-extension', fileExtension)
+const remarkLintFileExtension = lintRule('remark-lint:file-extension', fileExtension)
+
+export default remarkLintFileExtension
 
 function fileExtension(tree, file, option) {
   var ext = file.extname
diff --git a/script.js b/script.js
new file mode 100644
index 00000000..3d2e0fa8
--- /dev/null
+++ b/script.js
@@ -0,0 +1,45 @@
+// .
+// import fs from 'fs'
+//
+// const pkgs = fs.readdirSync('packages')
+//
+// pkgs.forEach((d) => {
+//   const pkg = JSON.parse(fs.readFileSync('packages/' + d + '/package.json'))
+//   const {
+//     name,
+//     version,
+//     description,
+//     license,
+//     keywords,
+//     repository,
+//     bugs,
+//     funding,
+//     author,
+//     contributors,
+//     files,
+//     ...rest
+//   } = pkg
+//
+//   const clean = {
+//     name,
+//     version,
+//     description,
+//     license,
+//     keywords,
+//     repository,
+//     bugs,
+//     funding,
+//     author,
+//     contributors,
+//     sideEffects: false,
+//     type: 'module',
+//     main: 'index.js',
+//     files,
+//     ...rest
+//   }
+//
+//   fs.writeFileSync(
+//     'packages/' + d + '/package.json',
+//     JSON.stringify(clean, null, 2) + '\n'
+//   )
+// })
diff --git a/script/build-presets.js b/script/build-presets.js
index 31a50f48..56e121eb 100644
--- a/script/build-presets.js
+++ b/script/build-presets.js
@@ -1,42 +1,45 @@
-'use strict'
+import fs from 'fs'
+import path from 'path'
+import {inspect} from 'util'
+import u from 'unist-builder'
+import dox from 'dox'
+import remark from 'remark'
+import gfm from 'remark-gfm'
+import strip from 'strip-indent'
+import parseAuthor from 'parse-author'
+import {find} from './util/find.js'
+import {presets} from './util/presets.js'
 
-var fs = require('fs')
-var path = require('path')
-var u = require('unist-builder')
-var dox = require('dox')
-var remark = require('remark')
-var gfm = require('remark-gfm')
-var strip = require('strip-indent')
-var parseAuthor = require('parse-author')
-var remote = require('../package.json').repository
-var find = require('./util/find.js')
-var presets = require('./util/presets.js')
+const pkg = JSON.parse(fs.readFileSync('package.json'))
+const remote = pkg.repository
 
 var root = path.join(process.cwd(), 'packages')
 
-presets(root).forEach(function (basename) {
-  var base = path.resolve(root, basename)
-  var pack = require(path.join(base, 'package.json'))
+const presetObjects = await presets(root)
+
+presetObjects.forEach(function ({name, packages}) {
+  var base = path.resolve(root, name)
+  var pack = JSON.parse(fs.readFileSync(path.join(base, 'package.json')))
   var doc = fs.readFileSync(path.join(base, 'index.js'), 'utf8')
   var tags = dox.parseComments(doc)[0].tags
   var author = parseAuthor(pack.author)
   var description = strip(find(tags, 'fileoverview')).trim()
   var rows = []
   var children
-  var short = basename.replace(/^remark-/, '')
+  var short = name.replace(/^remark-/, '')
   var org = remote.split('/').slice(0, -1).join('/')
   var main = remote + '/blob/main'
   var health = org + '/.github'
   var hMain = health + '/blob/HEAD'
   var slug = remote.split('/').slice(-2).join('/')
 
-  if (basename !== pack.name) {
+  if (name !== pack.name) {
     throw new Error(
       'Expected package name (`' +
         pack.name +
         '`) to be the same as ' +
         'directory name (`' +
-        basename +
+        name +
         '`)'
     )
   }
@@ -48,27 +51,27 @@ presets(root).forEach(function (basename) {
     ])
   )
 
-  doc.replace(
-    /require\('remark-lint-([^']+)'\)(?:, ([^\]]+)])?/g,
-    function ($0, rule, option) {
-      var url = remote + '/tree/main/packages/remark-lint-' + rule
+  let rule
 
-      rows.push(
-        u('tableRow', [
-          u('tableCell', [
-            u('link', {url: url, title: null}, [u('inlineCode', rule)])
-          ]),
-          u('tableCell', option ? [u('inlineCode', option)] : [])
-        ])
-      )
+  for (rule in packages) {
+    var url = remote + '/tree/main/packages/' + rule
+    const option = packages[rule]
 
-      return ''
-    }
-  )
+    if (rule === 'remark-lint') continue
+
+    rows.push(
+      u('tableRow', [
+        u('tableCell', [
+          u('link', {url: url, title: null}, [u('inlineCode', rule)])
+        ]),
+        u('tableCell', option ? [u('inlineCode', inspect(option))] : [])
+      ])
+    )
+  }
 
   children = [
     u('html', '<!--This file is generated-->'),
-    u('heading', {depth: 1}, [u('text', basename)]),
+    u('heading', {depth: 1}, [u('text', name)]),
     u('paragraph', [
       u('linkReference', {identifier: 'build'}, [
         u('imageReference', {identifier: 'build-badge', alt: 'Build'})
@@ -117,7 +120,7 @@ presets(root).forEach(function (basename) {
       ]),
       u('text', ':')
     ]),
-    u('code', {lang: 'sh'}, 'npm install ' + basename),
+    u('code', {lang: 'sh'}, 'npm install ' + name),
     u('heading', {depth: 2}, [u('text', 'Use')]),
     u('paragraph', [
       u('text', 'You probably want to use it on the CLI through a config file:')
@@ -144,7 +147,7 @@ presets(root).forEach(function (basename) {
         " var report = require('vfile-reporter')",
         '',
         ' remark()',
-        "+  .use(require('" + basename + "'))",
+        "+  .use(require('" + name + "'))",
         "   .process('_Emphasis_ and **importance**', function (err, file) {",
         '     console.error(report(err || file))',
         '   })'
@@ -198,19 +201,19 @@ presets(root).forEach(function (basename) {
     }),
     u('definition', {
       identifier: 'downloads-badge',
-      url: 'https://img.shields.io/npm/dm/' + basename + '.svg'
+      url: 'https://img.shields.io/npm/dm/' + name + '.svg'
     }),
     u('definition', {
       identifier: 'downloads',
-      url: 'https://www.npmjs.com/package/' + basename
+      url: 'https://www.npmjs.com/package/' + name
     }),
     u('definition', {
       identifier: 'size-badge',
-      url: 'https://img.shields.io/bundlephobia/minzip/' + basename + '.svg'
+      url: 'https://img.shields.io/bundlephobia/minzip/' + name + '.svg'
     }),
     u('definition', {
       identifier: 'size',
-      url: 'https://bundlephobia.com/result?p=' + basename
+      url: 'https://bundlephobia.com/result?p=' + name
     }),
     u('definition', {
       identifier: 'sponsors-badge',
@@ -255,5 +258,5 @@ presets(root).forEach(function (basename) {
     remark().use(gfm).stringify(u('root', children))
   )
 
-  console.log('✓ wrote `readme.md` in `' + basename + '`')
+  console.log('✓ wrote `readme.md` in `' + name + '`')
 })
diff --git a/script/build-rules.js b/script/build-rules.js
index f6de2421..e16e60cd 100644
--- a/script/build-rules.js
+++ b/script/build-rules.js
@@ -1,41 +1,24 @@
-'use strict'
-
-var fs = require('fs')
-var path = require('path')
-var inspect = require('util').inspect
-var u = require('unist-builder')
-var remark = require('remark')
-var gfm = require('remark-gfm')
-var parseAuthor = require('parse-author')
-var remote = require('../package.json').repository
-var rules = require('./util/rules.js')
-var rule = require('./util/rule.js')
-var presets = require('./util/presets.js')
-var chars = require('./characters.js')
+import fs from 'fs'
+import path from 'path'
+import {inspect} from 'util'
+import u from 'unist-builder'
+import remark from 'remark'
+import gfm from 'remark-gfm'
+import parseAuthor from 'parse-author'
+import {rules} from './util/rules.js'
+import {rule} from './util/rule.js'
+import {presets} from './util/presets.js'
+import {characters} from './characters.js'
 
+const pkg = JSON.parse(fs.readFileSync('package.json'))
+const remote = pkg.repository
 var root = path.join(process.cwd(), 'packages')
 
-presets = presets(root).map(function (name) {
-  var doc = fs.readFileSync(path.join(root, name, 'index.js'), 'utf8')
-  var packages = {}
-
-  doc.replace(
-    /require\('(remark-lint-[^']+)'\)(?:, ([^\]]+)])?/g,
-    function ($0, rule, option) {
-      packages[rule] = option || null
-      return ''
-    }
-  )
-
-  return {
-    name: name,
-    packages: packages
-  }
-})
+const presetObjects = await presets(root)
 
 rules(root).forEach(function (basename) {
   var base = path.resolve(root, basename)
-  var pack = require(path.join(base, 'package.json'))
+  var pack = JSON.parse(fs.readFileSync(path.join(base, 'package.json')))
   var info = rule(base)
   var tests = info.tests
   var author = parseAuthor(pack.author)
@@ -91,7 +74,7 @@ rules(root).forEach(function (basename) {
     )
   }
 
-  includes = presets.filter(function (preset) {
+  includes = presetObjects.filter(function (preset) {
     return basename in preset.packages
   })
 
@@ -127,7 +110,7 @@ rules(root).forEach(function (basename) {
                   u('inlineCode', preset.name)
                 ])
               ]),
-              u('tableCell', option ? [u('inlineCode', option)] : [])
+              u('tableCell', option ? [u('inlineCode', inspect(option))] : [])
             ])
           })
         )
@@ -175,7 +158,7 @@ rules(root).forEach(function (basename) {
           )
         }
 
-        chars.forEach(function (char) {
+        characters.forEach(function (char) {
           var next = clean.replace(char.in, char.out)
 
           if (clean !== next) {
diff --git a/script/characters.js b/script/characters.js
index b0ca9335..7ea83670 100644
--- a/script/characters.js
+++ b/script/characters.js
@@ -1,6 +1,4 @@
-'use strict'
-
-module.exports = [
+export const characters = [
   {
     name: 'a space',
     in: /·/g,
diff --git a/script/plugin/list-of-presets.js b/script/plugin/list-of-presets.js
index db12482a..cd01ec21 100644
--- a/script/plugin/list-of-presets.js
+++ b/script/plugin/list-of-presets.js
@@ -1,15 +1,13 @@
-'use strict'
-
-var path = require('path')
-var zone = require('mdast-zone')
-var u = require('unist-builder')
-var presets = require('../util/presets.js')
+import fs from 'fs'
+import path from 'path'
+import zone from 'mdast-zone'
+import u from 'unist-builder'
+import {presets} from '../util/presets.js'
 
 var root = path.join(process.cwd(), 'packages')
+const presetObjects = await presets(root)
 
-module.exports = listOfPresets
-
-function listOfPresets() {
+export default function listOfPresets() {
   return transformer
 }
 
@@ -20,12 +18,14 @@ function transformer(tree) {
 function replace(start, nodes, end) {
   return [
     start,
-    u('list', {ordered: false, spread: false}, presets(root).map(item)),
+    u('list', {ordered: false, spread: false}, presetObjects.map(item)),
     end
   ]
 
-  function item(basename) {
-    var pack = require(path.join(root, basename, 'package.json'))
+  function item({name}) {
+    var pack = JSON.parse(
+      fs.readFileSync(path.join(root, name, 'package.json'))
+    )
     var description = pack.description.replace(
       /^remark preset to configure remark-lint with ?/i,
       ''
@@ -33,7 +33,7 @@ function replace(start, nodes, end) {
 
     return u('listItem', {spread: false}, [
       u('paragraph', [
-        u('link', {url: pack.repository}, [u('inlineCode', basename)]),
+        u('link', {url: pack.repository}, [u('inlineCode', name)]),
         u('text', ' — ' + description)
       ])
     ])
diff --git a/script/plugin/list-of-rules.js b/script/plugin/list-of-rules.js
index 4ed36656..43181563 100644
--- a/script/plugin/list-of-rules.js
+++ b/script/plugin/list-of-rules.js
@@ -1,15 +1,12 @@
-'use strict'
-
-var path = require('path')
-var zone = require('mdast-zone')
-var u = require('unist-builder')
-var rules = require('../util/rules.js')
+import fs from 'fs'
+import path from 'path'
+import zone from 'mdast-zone'
+import u from 'unist-builder'
+import {rules} from '../util/rules.js'
 
 var root = path.join(process.cwd(), 'packages')
 
-module.exports = listOfRules
-
-function listOfRules() {
+export default function listOfRules() {
   return transformer
 }
 
@@ -26,7 +23,9 @@ function replace(start, nodes, end) {
 
   function item(basename) {
     var name = basename.slice('remark-lint-'.length)
-    var pack = require(path.join(root, basename, 'package.json'))
+    var pack = JSON.parse(
+      fs.readFileSync(path.join(root, basename, 'package.json'))
+    )
     var description = pack.description.replace(/^remark-lint rule to ?/i, '')
 
     return u('listItem', {spread: false}, [
diff --git a/script/util/find.js b/script/util/find.js
index 54d02ae7..2259e51b 100755
--- a/script/util/find.js
+++ b/script/util/find.js
@@ -1,11 +1,5 @@
-'use strict'
-
-module.exports = find
-
-find.all = findAll
-
 // Find the first tag in `tags` with a type set to `key`.
-function find(tags, key) {
+export function find(tags, key) {
   var value = null
 
   tags.some(function (tag) {
@@ -22,7 +16,7 @@ function find(tags, key) {
 }
 
 // Find the first tag in `tags` with a type set to `key`.
-function findAll(tags, key) {
+export function findAll(tags, key) {
   return tags
     .filter(function (tag) {
       return tag && tag.type === key
diff --git a/script/util/presets.js b/script/util/presets.js
index 82f19bcb..3d2096e4 100644
--- a/script/util/presets.js
+++ b/script/util/presets.js
@@ -1,11 +1,40 @@
-'use strict'
+import {promises as fs} from 'fs'
+import path from 'path'
 
-var fs = require('fs')
+export async function presets(base) {
+  const files = (await fs.readdir(base)).filter(filter)
 
-module.exports = rulesSync
+  return Promise.all(
+    files.map(async function (name) {
+      const plugins = (await import(path.join(base, name, 'index.js'))).default
+        .plugins
+      var packages = {}
 
-function rulesSync(filePath) {
-  return fs.readdirSync(filePath).filter(filter)
+      let index = -1
+      while (++index < plugins.length) {
+        const plugin = plugins[index]
+        let fn
+        let option
+
+        if (typeof plugin === 'function') {
+          fn = plugin
+        } else {
+          fn = plugin[0]
+          option = plugin[1]
+        }
+
+        let name = fn.displayName || fn.name
+
+        packages[
+          name
+            .replace(/[:-](\w)/g, (_, $1) => $1.toUpperCase())
+            .replace(/[A-Z]/g, ($0) => '-' + $0.toLowerCase())
+        ] = option
+      }
+
+      return {name: name, packages: packages}
+    })
+  )
 }
 
 function filter(basename) {
diff --git a/script/util/rule.js b/script/util/rule.js
index 5de86f80..678af521 100755
--- a/script/util/rule.js
+++ b/script/util/rule.js
@@ -1,15 +1,11 @@
-'use strict'
-
-var fs = require('fs')
-var path = require('path')
-var dox = require('dox')
-var strip = require('strip-indent')
-var find = require('./find.js')
-
-module.exports = ruleSync
+import fs from 'fs'
+import path from 'path'
+import dox from 'dox'
+import strip from 'strip-indent'
+import {find, findAll} from './find.js'
 
 // Get information for a rule at `filePath`.
-function ruleSync(filePath) {
+export function rule(filePath) {
   var ruleId = path.basename(filePath)
   var result = {}
   var tests = {}
@@ -41,7 +37,7 @@ function ruleSync(filePath) {
   result.tests = tests
   result.filePath = filePath
 
-  find.all(tags, 'example').map(strip).forEach(check)
+  findAll(tags, 'example').map(strip).forEach(check)
 
   return result
 
diff --git a/script/util/rules.js b/script/util/rules.js
index f8081a8d..fca1dde9 100644
--- a/script/util/rules.js
+++ b/script/util/rules.js
@@ -1,10 +1,6 @@
-'use strict'
+import fs from 'fs'
 
-var fs = require('fs')
-
-module.exports = rulesSync
-
-function rulesSync(filePath) {
+export function rules(filePath) {
   return fs.readdirSync(filePath).filter(filter)
 }
 
diff --git a/test.js b/test.js
index b1fb20e0..fb320331 100644
--- a/test.js
+++ b/test.js
@@ -1,18 +1,17 @@
-'use strict'
-
-var path = require('path')
-var test = require('tape')
-var vfile = require('to-vfile')
-var removePosition = require('unist-util-remove-position')
-var remark = require('remark')
-var gfm = require('remark-gfm')
-var rules = require('./script/util/rules.js')
-var rule = require('./script/util/rule.js')
-var lint = require('./packages/remark-lint/index.js')
-var noHeadingPunctuation = require('./packages/remark-lint-no-heading-punctuation/index.js')
-var noMultipleToplevelHeadings = require('./packages/remark-lint-no-multiple-toplevel-headings/index.js')
-var finalNewline = require('./packages/remark-lint-final-newline/index.js')
-var chars = require('./script/characters.js')
+import url from 'url'
+import path from 'path'
+import test from 'tape'
+import vfile from 'to-vfile'
+import removePosition from 'unist-util-remove-position'
+import remark from 'remark'
+import gfm from 'remark-gfm'
+import {rules} from './script/util/rules.js'
+import {rule} from './script/util/rule.js'
+import {characters} from './script/characters.js'
+import lint from './packages/remark-lint/index.js'
+import noHeadingPunctuation from './packages/remark-lint-no-heading-punctuation/index.js'
+import noMultipleToplevelHeadings from './packages/remark-lint-no-multiple-toplevel-headings/index.js'
+import finalNewline from './packages/remark-lint-final-newline/index.js'
 
 test('core', function (t) {
   t.test('should work', function (st) {
@@ -267,10 +266,10 @@ test('rules', function (t) {
 
   all.forEach(each)
 
-  function each(basename) {
+  async function each(basename) {
     var base = path.resolve(root, basename)
     var info = rule(base)
-    var fn = require(base)
+    var fn = (await import(url.pathToFileURL(base).href + '/index.js')).default
     var handle = Object.keys(info.tests).length === 0 ? ignore : one
 
     t.test(info.ruleId, handle)
@@ -369,7 +368,7 @@ function normalize(messages) {
 }
 
 function preprocess(value) {
-  chars.forEach(function (char) {
+  characters.forEach(function (char) {
     value = value.replace(char.in, char.out)
   })