fix: restore parse5 v6 deps and add @ts-ignore for CJS interop

- Restore parse5 to ^6.0.1 in all packages (v8 migration is PR4)
- Add @ts-ignore for rollupPluginExternalGlobals usage sites
- Regenerate package-lock.json

Assisted-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: bennypowers

package-lock.json

@@ -17,33 +17,36 @@
   "exports": {
     ".": {
       "types": "./index.d.ts",
-      "default": "./dist/index.js"
+      "import": "./index.mjs",
+      "require": "./dist/index.js"
     },
     "./dist/dom5": {
       "types": "./dist/dom5/index.d.ts",
-      "default": "./dist/dom5/index.js"
+      "require": "./dist/dom5/index.js"
     },
     "./test-helpers": {
       "types": "./test-helpers.d.ts",
-      "default": "./dist/test-helpers.js"
+      "import": "./test-helpers.mjs",
+      "require": "./dist/test-helpers.js"
     }
   },
   "engines": {
-    "node": ">=24.0.0"
+    "node": ">=18.0.0"
   },
   "scripts": {
     "build": "tsc",
     "start:demo": "node demo/basic/start-server.js",
     "start:event-stream": "node demo/event-stream/start-server.js",
     "start:http2": "node demo/http2/start-server.js",
     "start:import-asset": "node demo/import-asset/start-server.js",
-    "test": "node --experimental-transform-types --test --test-timeout 120000 \"test/**/*.test.ts\"",
-    "test:watch": "node --experimental-transform-types --test --watch \"test/**/*.test.ts\""
+    "test": "mocha \"test/**/*.test.{ts,js,mjs,cjs}\" --require ts-node/register --exit --reporter dot",
+    "test:watch": "mocha \"test/**/*.test.{ts,js,mjs,cjs}\" --require ts-node/register --watch --watch-files src,test"
   },
   "files": [
     ".self-signed-dev-server-ssl.cert",
     ".self-signed-dev-server-ssl.key",
     "*.d.ts",
+    "*.mjs",
     "dist",
     "src"
   ],
@@ -55,24 +58,24 @@
     "core"
   ],
   "dependencies": {
-    "@types/koa": "^3.0.1",
-    "@types/ws": "^8.5.13",
+    "@types/koa": "^2.11.6",
+    "@types/ws": "^7.4.0",
     "@web/parse5-utils": "^2.1.0",
     "chokidar": "^4.0.1",
     "clone": "^2.1.2",
     "es-module-lexer": "^1.0.0",
     "get-stream": "^6.0.0",
     "is-stream": "^2.0.0",
     "isbinaryfile": "^5.0.0",
-    "koa": "^3.1.1",
+    "koa": "^2.16.1",
     "koa-etag": "^4.0.0",
     "koa-send": "^5.0.1",
     "koa-static": "^5.0.0",
     "lru-cache": "^8.0.4",
     "mime-types": "^2.1.27",
-    "parse5": "^7.0.0 || ^8.0.0",
+    "parse5": "^6.0.1",
     "picomatch": "^2.2.2",
-    "ws": "^8.18.3"
+    "ws": "^7.5.10"
   },
   "devDependencies": {
     "@types/clone": "^2.1.0",
@@ -83,6 +86,5 @@
     "express": "^4.21.2",
     "nanoid": "^3.1.25",
     "portfinder": "^1.0.32"
-  },
-  "type": "module"
+  }
 }

packages/dev-server-core/package.json

@@ -52,7 +52,7 @@
     "@mdn/browser-compat-data": "^4.0.0",
     "@web/dev-server-core": "^0.7.4",
     "esbuild": "^0.25.0",
-    "parse5": "^7.0.0 || ^8.0.0",
+    "parse5": "^6.0.1",
     "ua-parser-js": "^1.0.33"
   },
   "devDependencies": {

packages/dev-server-esbuild/package.json

@@ -52,7 +52,7 @@
     "@types/parse5": "^6.0.1",
     "@web/dev-server-core": "^0.7.2",
     "@web/parse5-utils": "^2.1.0",
-    "parse5": "^7.0.0 || ^8.0.0",
+    "parse5": "^6.0.1",
     "picomatch": "^2.2.2"
   },
   "devDependencies": {

packages/dev-server-import-maps/package.json

@@ -62,7 +62,7 @@
     "browserslist": "^4.16.0",
     "browserslist-useragent": "^4.0.0",
     "caniuse-api": "^3.0.0",
-    "parse5": "^7.0.0 || ^8.0.0",
+    "parse5": "^6.0.1",
     "valid-url": "^1.0.9"
   },
   "devDependencies": {

packages/dev-server-legacy/package.json

@@ -49,7 +49,7 @@
     "@rollup/plugin-node-resolve": "^15.0.1",
     "@web/dev-server-core": "^0.7.2",
     "nanocolors": "^0.2.13",
-    "parse5": "^7.0.0 || ^8.0.0",
+    "parse5": "^6.0.1",
     "rollup": "^4.4.0",
     "whatwg-url": "^14.0.0"
   },

packages/dev-server-rollup/package.json

@@ -41,7 +41,7 @@
   ],
   "dependencies": {
     "@types/parse5": "^6.0.1",
-    "parse5": "^7.0.0 || ^8.0.0"
+    "parse5": "^6.0.1"
   },
   "devDependencies": {
     "@types/html-minifier-terser": "^7.0.0"

packages/parse5-utils/package.json

@@ -55,7 +55,7 @@
     "dynamic-import-polyfill": "^0.1.1",
     "es-module-shims": "^1.4.1",
     "intersection-observer": "^0.12.0",
-    "parse5": "^7.0.0 || ^8.0.0",
+    "parse5": "^6.0.1",
     "regenerator-runtime": "^0.14.0",
     "resize-observer-polyfill": "^1.5.1",
     "shady-css-scoped-element": "^0.0.2",

packages/polyfills-loader/package.json

@@ -46,7 +46,7 @@
     "glob": "^10.0.0",
     "html-minifier-terser": "^7.1.0",
     "lightningcss": "^1.24.0",
-    "parse5": "^7.0.0 || ^8.0.0",
+    "parse5": "^6.0.1",
     "picomatch": "^2.2.2"
   },
   "devDependencies": {

packages/rollup-plugin-html/package.json

@@ -30,6 +30,7 @@ import {
 import { rollupPluginStorybookBuilder } from './rollup-plugin-storybook-builder.ts';
 import { stringifyProcessEnvs } from './stringify-process-envs.ts';
 
+// @ts-ignore CJS interop
 const wdsPluginExternalGlobals = fromRollup(rollupPluginExternalGlobals);
 const wdsPluginMdx = fromRollup(rollupPluginMdx);
 const wdsPluginPrebundleModules = fromRollup(rollupPluginPrebundleModules);
@@ -174,6 +175,7 @@ export const build: WdsBuilder['build'] = async ({ startTime, options }) => {
       rollupPluginPrebundleModules(env, options),
       rollupPluginStorybookBuilder(options),
       rollupPluginMdx(options),
+      // @ts-ignore CJS interop
       rollupPluginExternalGlobals(globalsNameReferenceMap || globals),
       rollupPluginReplace({
         ...stringifyProcessEnvs(env),