Use ESM

.gitignore

@@ -1,6 +1,6 @@
 .DS_Store
+*.d.ts
 *.log
+coverage/
 node_modules/
-link-rel.js
-link-rel.min.js
 yarn.lock

.prettierignore

@@ -1,2 +1,2 @@
-link-rel.js
-link-rel.min.js
+coverage/
+*.md

build.js

@@ -1,13 +1,11 @@
-'use strict'
-
-var fs = require('fs')
-var https = require('https')
-var concat = require('concat-stream')
-var bail = require('bail')
-var unified = require('unified')
-var html = require('rehype-parse')
-var select = require('hast-util-select')
-var toString = require('hast-util-to-string')
+import fs from 'fs'
+import https from 'https'
+import concat from 'concat-stream'
+import {bail} from 'bail'
+import unified from 'unified'
+import html from 'rehype-parse'
+import select from 'hast-util-select'
+import toString from 'hast-util-to-string'
 
 var proc = unified().use(html)
 
@@ -25,24 +23,19 @@ function onconcat(buf) {
     bail(new Error('Couldn’t find any rels'))
   }
 
-  fs.writeFile('index.json', JSON.stringify(value.sort(), 0, 2) + '\n', bail)
+  fs.writeFile(
+    'index.js',
+    'export var linkRel = ' + JSON.stringify(value.sort(), null, 2) + '\n',
+    bail
+  )
 
   function table(name) {
     var node = select.select('h2:has(#' + name + ') ~ table', tree)
     var rows = select.selectAll('tr', node).slice(1)
 
-    return rows.map(cells).filter(filter).map(pick)
+    return rows
+      .map((row) => select.selectAll('td', row).map((d) => toString(d)))
+      .filter((cells) => !/not allowed/i.test(cells[1].trim()))
+      .map((cells) => cells[0].trim())
   }
 }
-
-function cells(row) {
-  return select.selectAll('td', row).map(toString)
-}
-
-function filter(cells) {
-  return !/not allowed/i.test(cells[1].trim())
-}
-
-function pick(cells) {
-  return cells[0].trim()
-}

index.js

@@ -0,0 +1,114 @@
+export var linkRel = [
+  'DCTERMS.conformsTo',
+  'DCTERMS.contributor',
+  'DCTERMS.creator',
+  'DCTERMS.description',
+  'DCTERMS.hasFormat',
+  'DCTERMS.hasPart',
+  'DCTERMS.hasVersion',
+  'DCTERMS.isFormatOf',
+  'DCTERMS.isPartOf',
+  'DCTERMS.isReferencedBy',
+  'DCTERMS.isReplacedBy',
+  'DCTERMS.isRequiredBy',
+  'DCTERMS.isVersionOf',
+  'DCTERMS.license',
+  'DCTERMS.mediator',
+  'DCTERMS.publisher',
+  'DCTERMS.references',
+  'DCTERMS.relation',
+  'DCTERMS.replaces',
+  'DCTERMS.requires',
+  'DCTERMS.rightsHolder',
+  'DCTERMS.source',
+  'DCTERMS.subject',
+  'EditURI',
+  'alternate',
+  'amphtml',
+  'appendix',
+  'apple-touch-icon',
+  'apple-touch-icon-precomposed',
+  'apple-touch-startup-image',
+  'archived',
+  'attachment',
+  'authorization_endpoint',
+  'canonical',
+  'category',
+  'chapter',
+  'child',
+  'chrome-webstore-item',
+  'code-license',
+  'code-repository',
+  'component',
+  'content-license',
+  'content-repository',
+  'contents',
+  'copyright',
+  'discussion',
+  'dns-prefetch',
+  'edit',
+  'enclosure',
+  'first',
+  'gbfs',
+  'glossary',
+  'gtfs-realtime',
+  'gtfs-static',
+  'help',
+  'home',
+  'http://docs.oasis-open.org/ns/cmis/link/200908/acl',
+  'hub',
+  'image_src',
+  'import',
+  'in-reply-to',
+  'index',
+  'issues',
+  'its-rules',
+  'jslicense',
+  'last',
+  'license',
+  'manifest',
+  'mask-icon',
+  'me',
+  'meta',
+  'micropub',
+  'next',
+  'openid.delegate',
+  'openid.server',
+  'openid2.local_id',
+  'openid2.provider',
+  'p3pv1',
+  'parent',
+  'pgpkey',
+  'pingback',
+  'preconnect',
+  'prerender',
+  'prev',
+  'previous',
+  'profile',
+  'publisher',
+  'radioepg',
+  'rendition',
+  'reply-to',
+  'root',
+  'schema.DCTERMS',
+  'section',
+  'service',
+  'shortlink',
+  'sidebar',
+  'sitemap',
+  'start',
+  'stylesheet',
+  'stylesheet/less',
+  'subresource',
+  'subsection',
+  'sword',
+  'syndication',
+  'timesheet',
+  'toc',
+  'token_endpoint',
+  'transformation',
+  'webmention',
+  'widget',
+  'wlwmanifest',
+  'yandex-tableau-widget'
+]

package.json

@@ -21,13 +21,15 @@
   "contributors": [
     "Titus Wormer <tituswormer@gmail.com> (https://wooorm.com)"
   ],
-  "main": "index.json",
+  "sideEffects": false,
+  "type": "module",
+  "main": "index.js",
   "files": [
-    "index.json"
+    "index.js"
   ],
   "devDependencies": {
-    "bail": "^1.0.0",
-    "browserify": "^17.0.0",
+    "bail": "^2.0.0",
+    "c8": "^7.0.0",
     "concat-stream": "^2.0.0",
     "hast-util-select": "^4.0.0",
     "hast-util-to-string": "^1.0.0",
@@ -36,18 +38,15 @@
     "remark-cli": "^9.0.0",
     "remark-preset-wooorm": "^8.0.0",
     "tape": "^5.0.0",
-    "tinyify": "^3.0.0",
     "unified": "^9.0.0",
     "xo": "^0.38.0"
   },
   "scripts": {
     "generate": "node build",
     "format": "remark . -qfo && prettier . -w --loglevel warn && xo --fix",
-    "build-bundle": "browserify . -s linkRel -o link-rel.js",
-    "build-mangle": "browserify . -s linkRel -p tinyify -o link-rel.min.js",
-    "build": "npm run build-bundle && npm run build-mangle",
     "test-api": "node test.js",
-    "test": "npm run format && npm run build && npm run test-api"
+    "test-coverage": "c8 --check-coverage --branches 100 --functions 100 --lines 100 --statements 100 --reporter lcov node test.js",
+    "test": "npm run format && npm run test-coverage"
   },
   "prettier": {
     "tabWidth": 2,
@@ -59,13 +58,11 @@
   },
   "xo": {
     "prettier": true,
-    "esnext": false,
     "rules": {
-      "unicorn/no-array-callback-reference": "off"
-    },
-    "ignores": [
-      "link-rel.js"
-    ]
+      "import/no-mutable-exports": "off",
+      "no-var": "off",
+      "prefer-arrow-callback": "off"
+    }
   },
   "remarkConfig": {
     "plugins": [