Adaptation project allows you to create an app variant for an existing SAP Fiori elements-based or SAPUI5 freestyle application, without changing the original application.
npm install @sap-ux/generator-adp 
@sap-ux/generator-adpThe SAPUI5 Adaptation Project generator enables users to create a new project.
The SAPUI5 Adaptation Project generator is included in the @sap/generator-fiori generator and can be used independently. Additionally, it requires the SAP Fiori Tools Extension pack from the VSCode marketplace.
Open the Command Palette in MS Visual Studio Code ( CMD/CTRL + Shift + P ) and execute the Fiori: Open Adaptation Project Generator command.
SAP Fiori Elements
Yeoman
Generator