From b2bcd88004f6ca31313a17132190e6e8243f7a4e Mon Sep 17 00:00:00 2001
From: Kamaal Farah <kamaal.f1@gmail.com>
Date: Wed, 24 Apr 2024 14:25:21 +0200
Subject: [PATCH] Adding async exec

---
 package.json            |  3 +++
 src/index.ts            |  1 +
 src/shell/async-exec.ts | 42 +++++++++++++++++++++++++++++++++++++++++
 src/shell/index.ts      |  1 +
 yarn.lock               |  5 +++++
 5 files changed, 52 insertions(+)
 create mode 100644 src/shell/async-exec.ts
 create mode 100644 src/shell/index.ts

diff --git a/package.json b/package.json
index e6216f0..ed08514 100644
--- a/package.json
+++ b/package.json
@@ -21,6 +21,9 @@
   "peerDependencies": {},
   "name": "@kamaalio/kamaal",
   "author": "Kamaal Farah",
+  "dependencies": {
+    "@thames/monads": "^0.6.2"
+  },
   "devDependencies": {
     "@babel/core": "^7.24.4",
     "@babel/preset-env": "^7.24.4",
diff --git a/src/index.ts b/src/index.ts
index 29f414d..d000e93 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -2,3 +2,4 @@ export * as objects from './objects';
 export * as maths from './maths';
 export * as strings from './strings';
 export * as arrays from './arrays';
+export * as shell from './shell';
diff --git a/src/shell/async-exec.ts b/src/shell/async-exec.ts
new file mode 100644
index 0000000..724cff2
--- /dev/null
+++ b/src/shell/async-exec.ts
@@ -0,0 +1,42 @@
+import { exec } from 'node:child_process';
+import type { ExecException, ExecOptions } from 'node:child_process';
+
+import { Err, Ok } from '@thames/monads';
+import type { Result } from '@thames/monads';
+
+async function internalAsyncExec(
+  command: string,
+  options?: ExecOptions
+): Promise<string> {
+  return await new Promise((resolve, reject) => {
+    exec(command, options ?? {}, (error, stdout, stderr) => {
+      if (error != null) {
+        reject(error);
+        return;
+      }
+
+      if (stderr !== '') {
+        reject(stderr);
+        return;
+      }
+
+      resolve(stdout);
+    });
+  });
+}
+
+export async function asyncExec(
+  command: string,
+  commandWorkingDirectory?: string
+): Promise<Result<string, ExecException | string>> {
+  let result: Awaited<ReturnType<typeof internalAsyncExec>>;
+  try {
+    result = await internalAsyncExec(command, { cwd: commandWorkingDirectory });
+  } catch (error) {
+    return Err(error as ExecException | string);
+  }
+
+  return Ok(result);
+}
+
+export default asyncExec;
diff --git a/src/shell/index.ts b/src/shell/index.ts
new file mode 100644
index 0000000..578978a
--- /dev/null
+++ b/src/shell/index.ts
@@ -0,0 +1 @@
+export * from './async-exec';
diff --git a/yarn.lock b/yarn.lock
index d271de0..4193b97 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1360,6 +1360,11 @@
     eslint-visitor-keys "^3.4.3"
     espree "^9.6.1"
 
+"@thames/monads@^0.6.2":
+  version "0.6.2"
+  resolved "https://registry.yarnpkg.com/@thames/monads/-/monads-0.6.2.tgz#471fcbbc21f4beb578156f18c2e27c82af51a273"
+  integrity sha512-LxsJ5g4kYK/VS+s+b5fEz6GG1v5eyysURaDE3hOjQB1vmWaCsRoqAKOwpl8YF9FZ86on1BwxIHev3ZF8u41X7g==
+
 "@tsconfig/node10@^1.0.7":
   version "1.0.11"
   resolved "https://registry.yarnpkg.com/@tsconfig/node10/-/node10-1.0.11.tgz#6ee46400685f130e278128c7b38b7e031ff5b2f2"