refactor Files function (utility.ts)

Author: Lazyt3ch

src/utility.ts

@@ -34,22 +34,10 @@ export const Binary = function (override = false, binary = '7z') {
  * @return {string}
  */
 export const Files = function (files: string | string[]): string {
-    if (isUndefined(files)) {
-        return '';
-    }
-
-    let toProcess = '';
-
-    if (Array.isArray(files)) {
-        files.forEach(function (f) {
-            toProcess += '"' + f + '" ';
-        });
-        toProcess = toProcess.trim();
-    } else {
-        toProcess = '"' + files + '"';
-    }
-
-    return toProcess;
+    if (isUndefined(files)) return '';
+    return (Array.isArray(files) ? files : [files])
+        .map((file) => `"${file}"`)
+        .join(' ');
 };
 
 /**