From 8ca5dcbb969a6f400c2c8022178d3252edab16b2 Mon Sep 17 00:00:00 2001
From: ehmicky <ehmicky@users.noreply.github.com>
Date: Tue, 14 May 2019 08:20:21 -0700
Subject: [PATCH] Small refactoring of joinCommand() (#244)

---
 index.js | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/index.js b/index.js
index c0c1dd6066..fe6b9e8765 100644
--- a/index.js
+++ b/index.js
@@ -231,14 +231,12 @@ function getErrorPrefix({timedOut, timeout, signal, exitCodeName, exitCode, isCa
 	return `failed with exit code ${exitCode} (${exitCodeName})`;
 }
 
-function joinCommand(command, args) {
-	let joinedCommand = command;
-
-	if (Array.isArray(args) && args.length > 0) {
-		joinedCommand += ' ' + args.join(' ');
+function joinCommand(command, args = []) {
+	if (!Array.isArray(args)) {
+		return command;
 	}
 
-	return joinedCommand;
+	return [command, ...args].join(' ');
 }
 
 const execa = (command, args, options) => {