Function extendedparser

lib/types/urlencoded.js:132–166

* Get the extended query parser. * * @param {object} options

(options)

 */

function extendedparser (options) {
  var parameterLimit = options.parameterLimit !== undefined
    ? options.parameterLimit
    : 1000
  var parse = parser('qs')

  if (isNaN(parameterLimit) || parameterLimit < 1) {
    throw new TypeError('option parameterLimit must be a positive number')
  }

  if (isFinite(parameterLimit)) {
    parameterLimit = parameterLimit | 0
  }

  return function queryparse (body) {
    var paramCount = parameterCount(body, parameterLimit)

    if (paramCount === undefined) {
      debug('too many parameters')
      throw createError(413, 'too many parameters', {
        type: 'parameters.too.many'
      })
    }

    var arrayLimit = Math.max(100, paramCount)

    debug('parse extended urlencoding')
    return parse(body, {
      allowPrototypes: true,
      arrayLimit: arrayLimit,
      depth: Infinity,
      parameterLimit: parameterLimit
    })
  }
}

/**
 * Get the charset of a request.