From 03e7502b0f7fbf693d4c341085985d2ce648efab Mon Sep 17 00:00:00 2001
From: detachhead <detachhead@users.noreply.github.com>
Date: Wed, 18 Sep 2024 21:00:00 +1000
Subject: [PATCH] fix browser-basedpyright. accidentally dropped this when
 merging upstream

---
 packages/pyright-internal/src/backgroundAnalysisBase.ts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/packages/pyright-internal/src/backgroundAnalysisBase.ts b/packages/pyright-internal/src/backgroundAnalysisBase.ts
index d8a135702..39860a2b8 100644
--- a/packages/pyright-internal/src/backgroundAnalysisBase.ts
+++ b/packages/pyright-internal/src/backgroundAnalysisBase.ts
@@ -61,6 +61,10 @@ export class BackgroundAnalysisBase {
         // The other side of this channel will be sent to the BG thread for sending responses.
         this._messageChannel = createMessageChannel();
         this._messageChannel.port1.on('message', (msg: BackgroundResponse) => this.handleBackgroundResponse(msg));
+
+        // required for browser-basedpyright:
+        this._messageChannel.port1.start();
+        this._messageChannel.port2.start();
     }
 
     dispose() {