utils.js

/*!
 * body-parser
 * Copyright(c) 2014-2015 Douglas Christopher Wilson
 * MIT Licensed
 */

'use strict'

/**
 * Module dependencies.
 */

var contentType = require('content-type')
var typeis = require('type-is')

/**
 * Module exports.
 */

module.exports = {
  getCharset,
  typeChecker
}

/**
 * Get the charset of a request.
 *
 * @param {object} req
 * @api private
 */

function getCharset (req) {
  try {
    return (contentType.parse(req).parameters.charset || '').toLowerCase()
  } catch (e) {
    return undefined
  }
}

/**
 * Get the simple type checker.
 *
 * @param {string} type
 * @return {function}
 */

function typeChecker (type) {
  return function checkType (req) {
    return Boolean(typeis(req, type))
  }
}