modern-valhalla/lib/storage/s3/s3-utils.js

Private npm repository server

const path = require('path');

// TODO: use mime-type package?
function getMimeType(extension) {
  return {
    '.js': 'application/javascript',
    '.css': 'text/css',
    '.map': 'application/json',
    '.gif': 'image/gif',
    '.jpg': 'image/jpeg',
    '.png': 'image/png',
    '.svg': 'image/svg+xml',
    '.tgz': 'application/gzip',
    '.gz': 'application/gzip',
  }[extension];
}

function getFileInfo(filePath) {
  let ext = path.extname(filePath).toLowerCase();
  let isGzipped = ext === '.gz' || ext === '.tgz' || ext === '.zip';

  return {
    gzip: isGzipped,
    extname: ext,
    mimeType: getMimeType(ext),
  };
}

module.exports = {
  getFileInfo,
};