bottle-convention.js

// Factory
function createPdfGenerator(Content, PdfApi) {
  return {
    generate: function(contentId) {
      const content = Content.find(contentId);
      return PdfApi.render(content.format());
    }
  };
}

// Export a function that registers the service provider with the given container.
modules.export = function(bottle) {
  bottle.service(
    'service.PdfGenerator',          // the name of the service we're providing
    createPdfGenerator,              // the factory to create the service instance
    'model.Content', 'client.PdfApi' // the dependencies required to create the factory
  );
};