From 5a28d70e05d9854102e983a4c4fd1cf4238361dc Mon Sep 17 00:00:00 2001
From: Divy Srivastava <dj.srivastava23@gmail.com>
Date: Mon, 4 Mar 2024 22:05:44 +0530
Subject: [PATCH] fix(node): errno property when command missing (#22691)
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Fixes https://github.com/denoland/deno/issues/22604

`remix dev` with Node adapter works:
```
$ ~/gh/littledivy/deno/target/debug/deno task dev
Task dev remix dev --manual

 💿  remix dev

 info  building...
 info  built (619ms)
[remix-serve] http://localhost:3000 (http://192.168.1.24:3000)

GET / 200 - - 3.090 ms
```
---
 ext/node/polyfills/internal/child_process.ts |  6 +++++-
 tests/unit_node/child_process_test.ts        | 12 ++++++++++++
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/ext/node/polyfills/internal/child_process.ts b/ext/node/polyfills/internal/child_process.ts
index 62de6a098d..5a9212618d 100644
--- a/ext/node/polyfills/internal/child_process.ts
+++ b/ext/node/polyfills/internal/child_process.ts
@@ -275,7 +275,11 @@ export class ChildProcess extends EventEmitter {
         });
       })();
     } catch (err) {
-      this.#_handleError(err);
+      let e = err;
+      if (e instanceof Deno.errors.NotFound) {
+        e = _createSpawnSyncError("ENOENT", command, args);
+      }
+      this.#_handleError(e);
     }
   }
 
diff --git a/tests/unit_node/child_process_test.ts b/tests/unit_node/child_process_test.ts
index 9c6fed9e4f..85bb6d3b09 100644
--- a/tests/unit_node/child_process_test.ts
+++ b/tests/unit_node/child_process_test.ts
@@ -771,3 +771,15 @@ Deno.test(async function execFileWithUndefinedTimeout() {
   );
   await promise;
 });
+
+Deno.test(async function spawnCommandNotFoundErrno() {
+  const { promise, resolve } = Promise.withResolvers<void>();
+  const cp = CP.spawn("no-such-command");
+  cp.on("error", (err) => {
+    const errno = Deno.build.os === "windows" ? -4058 : -2;
+    // @ts-ignore: errno missing from typings
+    assertEquals(err.errno, errno);
+    resolve();
+  });
+  await promise;
+});