fixup: remove last then

Author: moonglum

lib/index.js

@@ -60,9 +60,9 @@ function makeCopier(copyConfig, assetManager, { compact } = {}) {
  * @param {string} target
  * @returns {Promise<string>}
  */
-function determineTargetDir(source, target) {
-	return stat(source).
-		then(results => results.isDirectory() ? target : path.dirname(target));
+async function determineTargetDir(source, target) {
+	let results = await stat(source);
+	return results.isDirectory() ? target : path.dirname(target);
 }
 
 /**