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

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

const Handlebars = require('handlebars');

Handlebars.registerHelper('stringify', json => {
  try {
    return JSON.stringify(json || '', null, 2);
  } catch (e) {
    return '';
  }
});