From 1c35a625e177865ff7c851441b85af3a43c8dd72 Mon Sep 17 00:00:00 2001
From: CRT <hi@crt.fyi>
Date: Thu, 15 Oct 2026 06:36:24 +0800
Subject: [PATCH] build-node: TypeScript's own script runs under Bun
 (node_modules/.bin/tsc is a .exe / .cmd shim on Windows: the Windows
 acceptance cell packed nothing on dc387f6)

---
 tools/build-node.ts | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/tools/build-node.ts b/tools/build-node.ts
index 586d863..47b69c1 100644
--- a/tools/build-node.ts
+++ b/tools/build-node.ts
@@ -41,8 +41,10 @@ export function buildNode(out = NODE_BUNDLE): { path: string; bytes: number } {
 export function buildEntry(dir = join(ROOT, 'dist')): void {
   const types = join(dir, 'types');
   rmSync(types, { recursive: true, force: true });
-  if (!statSync(join(ROOT, 'node_modules', '.bin', 'tsc'), { throwIfNoEntry: false })) throw new Error('no TypeScript in node_modules: run `bun install` first (npm pack builds the declarations with it)');
-  const tsc = Bun.spawnSync([join(ROOT, 'node_modules', '.bin', 'tsc'), '-p', 'tsconfig.types.json', '--outDir', types], { cwd: ROOT, stdout: 'pipe', stderr: 'pipe' });
+  // TypeScript's own script, run by Bun: node_modules/.bin/tsc is a .exe / .cmd shim on Windows
+  const tscJs = join(ROOT, 'node_modules', 'typescript', 'bin', 'tsc');
+  if (!statSync(tscJs, { throwIfNoEntry: false })) throw new Error('no TypeScript in node_modules: run `bun install` first (npm pack builds the declarations with it)');
+  const tsc = Bun.spawnSync([process.execPath, tscJs, '-p', 'tsconfig.types.json', '--outDir', types], { cwd: ROOT, stdout: 'pipe', stderr: 'pipe' });
   if (tsc.exitCode !== 0) throw new Error(`tsc (declarations) failed\n${tsc.stdout.toString()}${tsc.stderr.toString()}`);
   if (!statSync(join(types, 'lib', 'config.d.ts'), { throwIfNoEntry: false })) throw new Error('no dist/types/lib/config.d.ts');
   pruneDeclarations(types, 'lib/config.d.ts');