npm install codegen -g json { "template": "api-template.handlebars", "output": "src/api", "data": { "packageName": "com.example.api", "endpoints": [ { "name": "users", "route": "/users", "methods": ["GET", "POST"] }, { "name": "products", "route": "/products", "methods": ["GET", "POST"] } ] } } {{#each endpoints}} public class {{capitalize name}}Endpoint { @Route("{{route}}") {{#each methods}} public void {{toLowerCase this}}() { // TODO: Implement method } {{/each}} } {{/each}} codegen generate codegen-config.json