From 1d158082f69d76f4f150a492a56f0c0c69687ad6 Mon Sep 17 00:00:00 2001
From: Gregory Schier <gschier1990@gmail.com>
Date: Mon, 3 Nov 2025 06:02:18 -0800
Subject: [PATCH] Pass host environment variable to plugin runtime
 https://feedback.yaak.app/p/when-i-use-clash-yaak-fails-to-launch

---
 packages/plugin-runtime/src/index.ts | 7 ++++++-
 src-tauri/yaak-plugins/src/nodejs.rs | 1 +
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/packages/plugin-runtime/src/index.ts b/packages/plugin-runtime/src/index.ts
index e2c08afc..d6c0c626 100644
--- a/packages/plugin-runtime/src/index.ts
+++ b/packages/plugin-runtime/src/index.ts
@@ -8,10 +8,15 @@ if (!port) {
   throw new Error('Plugin runtime missing PORT')
 }
 
+const host = process.env.HOST;
+if (!host) {
+  throw new Error('Plugin runtime missing HOST')
+}
+
 const pluginToAppEvents = new EventChannel();
 const plugins: Record<string, PluginHandle> = {};
 
-const ws = new WebSocket(`ws://localhost:${port}`);
+const ws = new WebSocket(`ws://${host}:${port}`);
 
 ws.on('message', async (e: Buffer) => {
   try {
diff --git a/src-tauri/yaak-plugins/src/nodejs.rs b/src-tauri/yaak-plugins/src/nodejs.rs
index 0a048074..cd706b8c 100644
--- a/src-tauri/yaak-plugins/src/nodejs.rs
+++ b/src-tauri/yaak-plugins/src/nodejs.rs
@@ -24,6 +24,7 @@ pub async fn start_nodejs_plugin_runtime<R: Runtime>(
     let cmd = app
         .shell()
         .sidecar("yaaknode")?
+        .env("HOST", addr.ip().to_string())
         .env("PORT", addr.port().to_string())
         .args(&[&plugin_runtime_main]);