openapi3-generator/templates/asciidoctor/.helpers/stringify.js

Use your API OpenAPI 3 definition to generate code, documentation, and literally anything you need.

module.exports = (Handlebars, _) =>{

  Handlebars.registerHelper('stringify', json => {
    if (!(json instanceof String) && typeof json !== 'string' ) {
      try {
        return JSON.stringify(json || '', null, 2);
      } catch (e) {
        return '';
      }
    } else {
      return json;
    }	    
  });
}