Merge branch 'master' of github.com:gchq/CyberChef into expose-operationerror

src/node/NodeRecipe.mjs

@@ -43,11 +43,13 @@ class NodeRecipe {
             } else {
                 throw new TypeError("Inputted function not a Chef operation.");
             }
-        // CASE: op with configuration
-        } else if (ing.op && ing.args) {
-            // Return op and args pair for opList item.
+        // CASE: op, maybe with configuration
+        } else if (ing.op) {
             const sanitisedOp = this._validateIngredient(ing.op);
-            return {op: sanitisedOp, args: ing.args};
+            if (ing.args) {
+                return {op: sanitisedOp, args: ing.args};
+            }
+            return sanitisedOp;
         } else {
             throw new TypeError("Recipe can only contain function names or functions");
         }