Use .cjs extension for markdownlint-micromark output files for clarity.

.eslintrc.json

@@ -15,8 +15,8 @@
     "demo/markdownlint-browser.js",
     "demo/markdownlint-browser.min.js",
     "example/typescript/type-check.js",
-    "micromark/micromark.js",
-    "micromark/micromark.dev.js",
+    "micromark/micromark.cjs",
+    "micromark/micromark.dev.cjs",
     "test-repos/"
   ],
   "overrides": [

lib/micromark.cjs

@@ -6,7 +6,7 @@
 
 const assert = require("node:assert/strict");
 // @ts-ignore
-const { parse, postprocess, preprocess } = require("../micromark/micromark.js");
+const { parse, postprocess, preprocess } = require("../micromark/micromark.cjs");
 
 /**
  * Markdown token.

micromark/.npmignore

@@ -1,3 +1,3 @@
 exports.mjs
-micromark.dev.js
+micromark.dev.cjs
 webpack.config.js

micromark/package.json

@@ -3,7 +3,7 @@
   "version": "0.1.0",
   "description": "A trivial package that re-exports some micromark functionality as a CommonJS module",
   "type": "commonjs",
-  "exports": "./micromark.js",
+  "exports": "./micromark.cjs",
   "author": "David Anson (https://dlaa.me/)",
   "license": "MIT",
   "homepage": "https://github.com/DavidAnson/markdownlint",

micromark/webpack.config.js

@@ -19,7 +19,7 @@ module.exports = [
     "mode": "production",
     "output": {
       ...shared.output,
-      "filename": "micromark.js"
+      "filename": "micromark.cjs"
     }
   },
   {
@@ -28,7 +28,7 @@ module.exports = [
     "mode": "development",
     "output": {
       ...shared.output,
-      "filename": "micromark.dev.js"
+      "filename": "micromark.dev.cjs"
     }
   }
 ];