From 53fb219a0572ffdae937032e9c992a4cce7d19ea Mon Sep 17 00:00:00 2001
From: Yingchi Long <i@lyc.dev>
Date: Wed, 19 Jun 2024 22:42:20 +0800
Subject: [PATCH] cli: add promisify spawn

---
 cli.ts | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/cli.ts b/cli.ts
index 9f40712..d48b4c6 100644
--- a/cli.ts
+++ b/cli.ts
@@ -1,4 +1,4 @@
-import { SpawnSyncOptionsWithBufferEncoding, SpawnSyncReturns, spawnSync as rawSpawnSync } from "child_process";
+import { ChildProcess, SpawnSyncOptionsWithBufferEncoding, SpawnSyncReturns, spawnSync as rawSpawnSync } from "child_process";
 
 export function check(result: SpawnSyncReturns<Buffer | string>) {
     if (result.error)
@@ -16,3 +16,13 @@ export function checkedSpawnSync(
 ): SpawnSyncReturns<Buffer | string> {
     return check(rawSpawnSync(command, args, options));
 }
+
+export function promisifySpawn<T extends ChildProcess>(p: T) {
+    return new Promise<T>((resolve, reject) => {
+        p.on("error", err => reject(err));
+        p.on("close", number => {
+            if (number != 0) return reject(number);
+            resolve(p);
+        });
+    });
+}