Web/node/showdown.js

const showdown = require("showdown");
require("./lib/showdown-prettify");
require("./lib/showdown-footnotes");
module.exports = function (headerLevel) {
    return new showdown.Converter({
        parseImgDimensions: true,
        headerLevelStart: headerLevel,
        extensions: ["prettify", "footnotes"]
    });
};