[javascript] fix: runCommand remove eol only last line

Author: jooy2

packages/javascript/CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog (JavaScript)
 
+## 1.9.4 (2025-03-12)
+
+- The `machini` packages have now been merged into the `qsu` package
+
 ## 1.9.3 (2025-03-08)
 
 - `generateLicense`: Add bsd3 license

packages/javascript/lib/node/os/runCommand.ts

@@ -12,11 +12,9 @@ export function runCommand(command: string): Promise<string | null> {
 					return;
 				}
 
-				const output = stdout.split(EOL)?.[0];
-
 				execCommandProcess?.stdin?.end();
 
-				resolve(output);
+				resolve(stdout.replace(new RegExp(`${EOL}$`), ''));
 			}
 		);
 	});