fix: this._implicitHeader is not a function (#6313)

vitejs · Dec 30, 2021 · c5ba2f2 · c5ba2f2
1 parent db36e81
commit c5ba2f2
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/packages/vite/src/node/http.ts b/packages/vite/src/node/http.ts
@@ -94,6 +94,14 @@ export async function resolveHttpServer(
   app: Connect.Server,
   httpsOptions?: HttpsServerOptions
 ): Promise<HttpServer> {
+  /*
+   * Some Node.js packages are known to be using this undocumented function,
+   * notably "compression" middleware.
+   */
+  app.prototype._implicitHeader = function _implicitHeader() {
+    this.writeHead(this.statusCode)
+  }
+
   if (!httpsOptions) {
     return require('http').createServer(app)
   }