suggestion: Should alert the user if generate client/server with empty content in the editor

[afifurrohman-id]

Content & configuration

Swagger/OpenAPI definition:

# your YAML here

Swagger-Editor configuration options:

SwaggerEditor({
  // your config options here
})

?yourQueryStringConfig

Is your feature request related to a problem?

Please add an alert to the user if want to generate client/server but the editor is empty, this prevents useless download of unexpected file

Describe the solution you'd like

Just add alert

Describe alternatives you've considered

Additional context