function existsSourceApi()

in api/api/exists_source.js [40:83]

• 35 lines of code
• 13 McCabe index (conditional complexity)

function existsSourceApi (params, options, callback) {
  ;[params, options, callback] = normalizeArguments(params, options, callback)

  // check required parameters
  if (params.id == null) {
    const err = new this[kConfigurationError]('Missing required parameter: id')
    return handleError(err, callback)
  }
  if (params.index == null) {
    const err = new this[kConfigurationError]('Missing required parameter: index')
    return handleError(err, callback)
  }

  // check required url components
  if (params.id != null && (params.type == null || params.index == null)) {
    const err = new this[kConfigurationError]('Missing required parameter of the url: type, index')
    return handleError(err, callback)
  } else if (params.type != null && (params.index == null)) {
    const err = new this[kConfigurationError]('Missing required parameter of the url: index')
    return handleError(err, callback)
  }

  let { method, body, id, index, type, ...querystring } = params
  querystring = snakeCaseKeys(acceptedQuerystring, snakeCase, querystring)

  let path = ''
  if ((index) != null && (type) != null && (id) != null) {
    if (method == null) method = 'HEAD'
    path = '/' + encodeURIComponent(index) + '/' + encodeURIComponent(type) + '/' + encodeURIComponent(id) + '/' + '_source'
  } else {
    if (method == null) method = 'HEAD'
    path = '/' + encodeURIComponent(index) + '/' + '_source' + '/' + encodeURIComponent(id)
  }

  // build request object
  const request = {
    method,
    path,
    body: null,
    querystring
  }

  return this.transport.request(request, options, callback)
}