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A-la-carte

You can also define your constraints on the fly right where you are doing your validation.

In this sample we validate the public request context rc. This sample validates all fields in the rc. If you need more control you can specify the fields parameter (default all) or the includeFields and excludeFields parameters in your validate() call.

// sample REST API create user
function create( event, rc, prc ){
	var validationResult = validate( 
		target = rc,
		constraints = { 
			username = { required = true },
			email = { required = true, type = "email" },
			password = { required = true }
		}
	)
	if ( !validationResult.hasErrors() ) {
		UserService.createUser(rc.username, rc.email, rc.password);
		prc.response.setData( UserService.readUser(username=rc.username) );
	} else {
		prc.response
			.setError( true )
			.addMessage( validationResult.getAllErrors())
			.setStatusCode( STATUS.BAD_REQUEST )
			.setStatusText( "Validation error" );
	}
}