From c51b61e8b95d61ad6af2991c86ce17ec2e727b1d Mon Sep 17 00:00:00 2001
From: Jack Lu <46274946+JackLuguibin@users.noreply.github.com>
Date: Thu, 7 May 2026 23:09:13 +0800
Subject: [PATCH] fix(desktop): ensure Electron binary before predev via
 install.js

---
 packages/desktop/scripts/predev.ts | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/packages/desktop/scripts/predev.ts b/packages/desktop/scripts/predev.ts
index 37c31d7eedb7..880a63ecf4c6 100644
--- a/packages/desktop/scripts/predev.ts
+++ b/packages/desktop/scripts/predev.ts
@@ -1,5 +1,25 @@
+import path from "node:path"
+import { existsSync } from "node:fs"
+import { fileURLToPath } from "node:url"
 import { $ } from "bun"
 
+const desktopDir = path.join(path.dirname(fileURLToPath(import.meta.url)), "..")
+const electronDir = path.join(desktopDir, "node_modules", "electron")
+if (!existsSync(path.join(electronDir, "path.txt"))) {
+  console.error("Electron OS binary missing; running electron postinstall (node install.js)...")
+  const proc = Bun.spawn(["node", "install.js"], {
+    cwd: electronDir,
+    stdout: "inherit",
+    stderr: "inherit",
+    stdin: "inherit",
+  })
+  const code = await proc.exited
+  if (code !== 0) {
+    console.error("electron install.js exited with code", code)
+    process.exit(code ?? 1)
+  }
+}
+
 await $`bun ./scripts/copy-icons.ts ${process.env.OPENCODE_CHANNEL ?? "dev"}`
 
 await $`cd ../opencode && bun script/build-node.ts`