From 30df6e0c4d136a7f81ef40fab3844337d99c9718 Mon Sep 17 00:00:00 2001
From: 43081j <43081j@users.noreply.github.com>
Date: Sat, 24 Oct 2020 20:57:06 +0100
Subject: [PATCH] add parse5-utils as a dependency

---
 packages/dev-server-core/package.json                        | 3 ++-
 packages/dev-server-core/src/web-sockets/webSocketsPlugin.ts | 4 ++--
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/packages/dev-server-core/package.json b/packages/dev-server-core/package.json
index a30fa9de55..9f7d98ac32 100644
--- a/packages/dev-server-core/package.json
+++ b/packages/dev-server-core/package.json
@@ -57,7 +57,8 @@
     "mime-types": "^2.1.27",
     "parse5": "^6.0.0",
     "picomatch": "^2.2.2",
-    "ws": "^7.3.1"
+    "ws": "^7.3.1",
+    "@web/parse5-utils": "^1.0.0"
   },
   "devDependencies": {
     "@types/clone": "^0.1.30",
diff --git a/packages/dev-server-core/src/web-sockets/webSocketsPlugin.ts b/packages/dev-server-core/src/web-sockets/webSocketsPlugin.ts
index ac4bf6b3f7..081ac61949 100644
--- a/packages/dev-server-core/src/web-sockets/webSocketsPlugin.ts
+++ b/packages/dev-server-core/src/web-sockets/webSocketsPlugin.ts
@@ -1,6 +1,6 @@
 import { Plugin } from '../Plugin';
 import { NAME_WEB_SOCKET_IMPORT } from './WebSocketsManager';
-import { appendToDocument } from '@web/parse5-utils';
+import parseUtils = require('@web/parse5-utils');
 
 export const webSocketScript = `<!-- injected by web-dev-server -->
 <script type="module" src="${NAME_WEB_SOCKET_IMPORT}"></script>`;
@@ -89,7 +89,7 @@ if (webSocket) {
 
     async transform(context) {
       if (context.response.is('html')) {
-        return appendToDocument(context.body, webSocketScript);
+        return parseUtils.appendToDocument(context.body, webSocketScript);
       }
     },
   };