mach/lib/utils/normalizeHeaderName.js

HTTP for JavaScript

"use strict";

var IrregularHeaderNames = require("./IrregularHeaderNames");

/**
 * Normalizes HTTP header names according to RFC 2616.
 */
function normalizeHeaderName(headerName) {
  headerName = headerName.toLowerCase();

  if (headerName in IrregularHeaderNames) {
    return IrregularHeaderNames[headerName];
  }return headerName.replace(/(^|-)([a-z])/g, function (match, dash, letter) {
    return dash + letter.toUpperCase();
  });
}

module.exports = normalizeHeaderName;