mjackson/mach

/**
 * A map of HTTP header names with irregular case.
 */
module.exports = [
  'Content-ID',
  'Content-MD5',
  'DNT',
  'ETag',
  'P3P',
  'TE',
  'WWW-Authenticate',
  'X-ATT-DeviceId',
  'X-UA-Compatible',
  'X-WebKit-CSP',
  'X-XSS-Protection'
].reduce(function (map, headerName) {
  map[headerName.toLowerCase()] = headerName;
  return map;
}, {});