const md = require('markdown-it')();
const implicitFigures = require('markdown-it-implicit-figures');
md.use(implicitFigures, { dataType: true, figcaption: true });
const src = 'text with \n\n\n\nanother paragraph';
md.render(src) // output below
Created from: https://npm.runkit.com/markdown-it-implicit-figures