OAS3.0 doesn't support YAML

[Israel Fruchter]

var raml08ToOas30 = new converter.Converter(converter.Formats.RAML, converter.Formats.OAS30);

raml08ToOas30.convertFile('../client_reference/api_definition/workspace/raml/api.raml', {format: 'yaml'}).then(function(oas) {
  console.log(oas);
})

returns a json insted of raml