Upgrade webpack-dev-server (#84)

demo/mini-editor/web/package.json

@@ -23,6 +23,6 @@
     "typescript": "^4.3.5",
     "webpack": "^5.46.0",
     "webpack-cli": "^4.7.2",
-    "webpack-dev-server": "^3.11.2"
+    "webpack-dev-server": "^4.6.0"
   }
 }

demo/mini-editor/web/webpack.config.ts

@@ -45,7 +45,10 @@ function buildConfig(env: WebpackEnvironment): webpack.Configuration | webpack.W
     mode: isProductionBuild ? 'production' : 'development',
     entry: `${sourcePath}/main.ts`,
     devServer: {
-      contentBase: distPath,
+      static: {
+        directory: distPath,
+        serveIndex: true,
+      },
       compress: true,
       port: env.port ?? 9000,
     },