Inital move (minus WIP tests)

modules/cliHandler.mjs

@@ -0,0 +1,39 @@
+import { spawn } from "child_process";
+
+/**
+ * Executes a command and retrieves its output.
+ * @param {string} command - The command to execute.
+ * @param {string[]} args - The arguments to pass to the command.
+ * @returns {Promise<string>} A promise that resolves with the output of the command.
+ */
+export const executeCommand = (command, args) => {
+    return new Promise((resolve, reject) => {
+        const childProcess = spawn(command, args);
+
+        let commandOutput = '';
+
+        childProcess.stdout.on('data', (data) => {
+            commandOutput += data.toString();
+        });
+
+        childProcess.stderr.on('data', (data) => {
+            // Log any errors to stderr
+            console.error(data.toString());
+        });
+
+        childProcess.on('error', (error) => {
+            // Reject the promise if there's an error executing the command
+            reject(error);
+        });
+
+        childProcess.on('close', (code) => {
+            if (code === 0) {
+                // Resolve the promise with the command output if it exits successfully
+                resolve(commandOutput.trim());
+            } else {
+                // Reject the promise if the command exits with a non-zero code
+                reject(new Error(`Command '${command}' exited with code ${code}`));
+            }
+        });
+    });
+};