Convert markdownlint library to an ECMAScript module, replace markdownlint-micromark with micromark, stop publishing (large) markdownlint-browser.js, see https://gist.github.com/sindresorhus/a39789f98801d908bbc7ff3ecc99d99c for guidance.

demo/browser-exports.mjs

@@ -0,0 +1,9 @@
+// @ts-check
+
+export { default as markdownlint } from "../lib/markdownlint.mjs";
+export { compile, parse, postprocess, preprocess } from "micromark";
+export { directive, directiveHtml } from "micromark-extension-directive";
+export { gfmAutolinkLiteral, gfmAutolinkLiteralHtml } from "micromark-extension-gfm-autolink-literal";
+export { gfmFootnote, gfmFootnoteHtml } from "micromark-extension-gfm-footnote";
+export { gfmTable, gfmTableHtml } from "micromark-extension-gfm-table";
+export { math, mathHtml } from "micromark-extension-math";

demo/default.htm

@@ -34,8 +34,6 @@
     </div>
   </div>
   <script src="markdown-it.min.js"></script>
-  <script src="micromark-browser.js"></script>
-  <script src="micromark-html-browser.js"></script>
   <script src="markdownlint-browser.min.js"></script>
   <script src="default.js"></script>
 </body>

demo/default.js

@@ -3,9 +3,8 @@
 (function main() {
   // Dependencies
   var markdownit = globalThis.markdownit;
-  var markdownlint = globalThis.markdownlint.library;
-  var micromark = globalThis.micromarkBrowser;
-  var micromarkHtml = globalThis.micromarkHtmlBrowser;
+  var markdownlint = globalThis.markdownlint.markdownlint;
+  var micromark = globalThis.markdownlint;
 
   // DOM elements
   var markdown = document.getElementById("markdown");
@@ -70,15 +69,15 @@
       const compileOptions = {
         "allowDangerousHtml": true,
         "htmlExtensions": [
-          micromarkHtml.directiveHtml({ "*": handleDirective }),
-          micromarkHtml.gfmAutolinkLiteralHtml(),
-          micromarkHtml.gfmFootnoteHtml(),
-          micromarkHtml.gfmTableHtml(),
-          micromarkHtml.mathHtml()
+          micromark.directiveHtml({ "*": handleDirective }),
+          micromark.gfmAutolinkLiteralHtml(),
+          micromark.gfmFootnoteHtml(),
+          micromark.gfmTableHtml(),
+          micromark.mathHtml()
         ]
       };
       try {
-        return micromarkHtml.compile(compileOptions)(events);
+        return micromark.compile(compileOptions)(events);
       } catch (error) {
         return `[Exception: "${error}"]`;
       }

demo/markdownlint-exports.js

@@ -1,8 +0,0 @@
-// @ts-check
-
-"use strict";
-
-module.exports = {
-  "library": require(".."),
-  "helpers": require("../helpers")
-};

demo/module-stub.cjs

@@ -0,0 +1,8 @@
+// @ts-check
+
+"use strict";
+
+module.exports = {
+  // @ts-ignore
+  "createRequire": () => require
+};

demo/webpack.config.mjs

@@ -1,11 +1,14 @@
 // @ts-check
 
-"use strict";
-
-const webpack = require("webpack");
-const TerserPlugin = require("terser-webpack-plugin");
+import { createRequire } from "node:module";
+const require = createRequire(import.meta.url);
+import webpack from "webpack";
+import TerserPlugin from "terser-webpack-plugin";
+import { __dirname, importWithTypeJson } from "../test/esm-helpers.mjs";
+const libraryPackageJson = await importWithTypeJson(import.meta, "../package.json");
 const nodeModulePrefixRe = /^node:/u;
 
+// eslint-disable-next-line jsdoc/require-jsdoc
 function config(options) {
   const { entry, filename, mode, optimization, packageJson } = options;
   const { name, version, homepage, license } = packageJson;
@@ -13,8 +16,7 @@ function config(options) {
     "devtool": false,
     "entry": entry,
     "externals": {
-      "markdown-it": "markdownit",
-      "markdownlint-micromark": "micromarkBrowser"
+      "markdown-it": "markdownit"
     },
     "mode": mode,
     "module": {
@@ -33,7 +35,7 @@ function config(options) {
         "name": name.replace(/(-\w)/g, (m) => m.slice(1).toUpperCase()),
         "type": "var"
       },
-      "path": __dirname
+      "path": __dirname(import.meta)
     },
     "plugins": [
       new webpack.NormalModuleReplacementPlugin(
@@ -52,7 +54,8 @@ function config(options) {
         "fs": false,
         "os": false,
         "path": false,
-        "util": false
+        "util": false,
+        "module": require.resolve("./module-stub.cjs")
       }
     }
   };
@@ -77,14 +80,10 @@ const modeProduction = {
   }
 };
 const entryLibrary = {
-  "entry": "./markdownlint-exports.js",
-  "packageJson": require("../package.json")
+  "entry": "./browser-exports.mjs",
+  "packageJson": libraryPackageJson
 };
-// const entryHelpers = {
-//   "entry": "../helpers/helpers.js",
-//   "packageJson": require("../helpers/package.json")
-// };
-module.exports = [
+export default [
   config({
     ...entryLibrary,
     ...modeDevelopment,
@@ -95,14 +94,4 @@ module.exports = [
     ...modeProduction,
     "filename": "markdownlint-browser.min.js"
   })
-  // config({
-  //   ...entryHelpers,
-  //   ...modeDevelopment,
-  //   "filename": "markdownlint-rule-helpers-browser.js"
-  // }),
-  // config({
-  //   ...entryHelpers,
-  //   ...modeProduction,
-  //   "filename": "markdownlint-rule-helpers-browser.min.js"
-  // })
 ];