fix: add a check to make sure that asset ids is always an array

Author: esguerrat

lib/api.js

@@ -128,6 +128,12 @@ exports.restore = function restore(public_ids, callback, options = {}) {
 exports.restore_by_asset_ids = function restore_by_asset_ids(asset_ids, callback, options = {}) {
   options.content_type = "json";
   let uri = ["resources", "restore"];
+
+  // make sure asset_ids is always an array
+  if (!Array.isArray(asset_ids)) {
+    asset_ids = [asset_ids];
+  }
+
   return call_api(
     "post",
     uri,