From cbfc232011d79ae54e9bc99e6b41c59c0d6a47c0 Mon Sep 17 00:00:00 2001
From: Anton Golub <antongolub@antongolub.com>
Date: Sun, 7 Apr 2024 23:01:30 +0300
Subject: [PATCH] fix: provide stdio customization

closes #5
---
 src/main/ts/spawn.ts  | 8 +++++---
 src/test/ts/x.test.ts | 4 ++++
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/src/main/ts/spawn.ts b/src/main/ts/spawn.ts
index 3fabaaa..47a9636 100644
--- a/src/main/ts/spawn.ts
+++ b/src/main/ts/spawn.ts
@@ -36,6 +36,8 @@ export type TChild = ReturnType<typeof cp.spawn>
 
 export type TInput = string | Buffer | Stream
 
+export type IO = 'pipe' | 'ignore' | 'inherit'
+
 export interface TSpawnCtxNormalized {
   id:         string,
   cwd:        string
@@ -43,7 +45,7 @@ export interface TSpawnCtxNormalized {
   sync:       boolean
   args:       ReadonlyArray<string>
   input:      TInput | null
-  stdio:      ['pipe', 'pipe', 'pipe']
+  stdio:      [IO, IO, IO]
   detached:   boolean
   env:        Record<string, string | undefined>
   ee:         EventEmitter
@@ -182,12 +184,12 @@ export const invoke = (c: TSpawnCtxNormalized): TSpawnCtxNormalized => {
         })
         processInput(child, c.input || c.stdin)
 
-        child.stdout.pipe(c.stdout).on('data', d => {
+        child.stdout?.pipe(c.stdout).on('data', d => {
           stdout.push(d)
           stdall.push(d)
           c.ee.emit('stdout', d, c)
         })
-        child.stderr.pipe(c.stderr).on('data', d => {
+        child.stderr?.pipe(c.stderr).on('data', d => {
           stderr.push(d)
           stdall.push(d)
           c.ee.emit('stderr', d, c)
diff --git a/src/test/ts/x.test.ts b/src/test/ts/x.test.ts
index 61dbd5f..14f7ddb 100644
--- a/src/test/ts/x.test.ts
+++ b/src/test/ts/x.test.ts
@@ -55,6 +55,10 @@ describe('$()', () => {
     assert.equal((await sorted).toString(), '1\n2\n3\n4\n5')
   })
 
+  it('handles custom stdio', async () => {
+    await $({stdio: ['inherit', 'inherit', 'inherit']})`ls`
+  })
+
   it('supports presets', () => {
     const $$ = $({sync: true, cmd: 'echo foo'})
     const $$$ = $$({cmd: 'echo bar'})