Generate Dynamic html using NodeJs

dynamic html

function generateDynamicHtml(data, htmlUrl, html) {
  let htmlTemplate = htmlUrl ? fs.readFileSync(path.join(__dirname, htmlUrl), 'utf8') : html;
  let reg = /<script\b[^>]*>([\s\S]*?)<\/script>/gm;
  let match,
    arrValues = [],
    templateMap = {};

  for (var key in data) {
    if (Array.isArray(data[key])) {
      arrValues.push({
        key: key,
        values: data[key]
      });
    }
  }

  while ((match = reg.exec(htmlTemplate))) {
    let templateName = /({{.*}})/
      .exec(match[1])[0]
      .replace(/{{|}}/g, '')
      .split('.')[0];
    templateMap[templateName] = match[1];
  }

  arrValues.forEach(val => {
    let templateHtml = templateMap[val.key];
    let updatedHtml = '';

    val.values.forEach(d => {
      let temp = templateHtml;
      for (var key in d) {
        temp = temp.replace('{{' + val.key + '.' + key + '}}', d[key]);
      }
      updatedHtml += temp;
    });

    data[val.key] = updatedHtml;
  });
  return misc.replaceKeysInHtml(htmlTemplate, data);
}

module.export = {
generateDynamicHtml
}