Files
elasticsearch-js/api/utils.js
2021-02-19 08:29:57 +01:00

59 lines
1.8 KiB
JavaScript

/*
* Licensed to Elasticsearch B.V. under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch B.V. licenses this file to you under
* the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
'use strict'
const result = { body: null, statusCode: null, headers: null, warnings: null }
const kConfigurationError = Symbol('configuration error')
function handleError (err, callback) {
if (callback) {
process.nextTick(callback, err, result)
return { then: noop, catch: noop, abort: noop }
}
return Promise.reject(err)
}
function snakeCaseKeys (acceptedQuerystring, snakeCase, querystring) {
const target = {}
const keys = Object.keys(querystring)
for (let i = 0, len = keys.length; i < len; i++) {
const key = keys[i]
target[snakeCase[key] || key] = querystring[key]
}
return target
}
function normalizeArguments (params, options, callback) {
if (typeof options === 'function') {
callback = options
options = {}
}
if (typeof params === 'function' || params == null) {
callback = params
params = {}
options = {}
}
return [params, options, callback]
}
function noop () {}
module.exports = { handleError, snakeCaseKeys, normalizeArguments, noop, kConfigurationError }