From 0640b80c978ba7c5c1fcb57b42f774de79181721 Mon Sep 17 00:00:00 2001
From: Anton Golub <antongolub@antongolub.com>
Date: Mon, 18 Mar 2024 09:01:18 +0300
Subject: [PATCH] feat: add `ProcessPromise.valueOf()` (#737)

closes #690
---
 src/core.ts       |  4 ++++
 test/core.test.js | 11 +++++++++++
 2 files changed, 15 insertions(+)

diff --git a/src/core.ts b/src/core.ts
index da1c77edcf..8747379a86 100644
--- a/src/core.ts
+++ b/src/core.ts
@@ -448,6 +448,10 @@ export class ProcessOutput extends Error {
     return this._combined
   }
 
+  valueOf() {
+    return this._combined.trim()
+  }
+
   get stdout() {
     return this._stdout
   }
diff --git a/test/core.test.js b/test/core.test.js
index 383ac7f331..8c7b756080 100644
--- a/test/core.test.js
+++ b/test/core.test.js
@@ -188,6 +188,17 @@ describe('core', () => {
     assert.ok(p5 !== p1)
   })
 
+  test('ProcessPromise: implements toString()', async () => {
+    const p = $`echo foo`
+    assert.equal((await p).toString(), 'foo\n')
+  })
+
+  test('ProcessPromise: implements valueOf()', async () => {
+    const p = $`echo foo`
+    assert.equal((await p).valueOf(), 'foo')
+    assert.ok((await p) == 'foo')
+  })
+
   test('cd() works with relative paths', async () => {
     let cwd = process.cwd()
     try {