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// Copyright 2010-2012 Mikeal Rogers
//
// Licensed 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'
var extend = require('extend')
var cookies = require('./lib/cookies')
var helpers = require('./lib/helpers')
var paramsHaveRequestBody = helpers.paramsHaveRequestBody
// organize params for patch, post, put, head, del
function initParams (uri, options, callback) {
if (typeof options === 'function') {
callback = options
}
var params = {}
if (typeof options === 'object') {
extend(params, options, {uri: uri})
} else if (typeof uri === 'string') {
extend(params, {uri: uri})
} else {
extend(params, uri)
}
params.callback = callback || params.callback
return params
}
function request (uri, options, callback) {
if (typeof uri === 'undefined') {
throw new Error('undefined is not a valid uri or options object.')
}
var params = initParams(uri, options, callback)
if (params.method === 'HEAD' && paramsHaveRequestBody(params)) {
throw new Error('HTTP HEAD requests MUST NOT include a request body.')
}
return new request.Request(params)
}
function verbFunc (verb) {
var method = verb.toUpperCase()
return function (uri, options, callback) {
var params = initParams(uri, options, callback)
params.method = method
return request(params, params.callback)
}
}
// define like this to please codeintel/intellisense IDEs
request.get = verbFunc('get')
request.head = verbFunc('head')
request.options = verbFunc('options')
request.post = verbFunc('post')
request.put = verbFunc('put')
request.patch = verbFunc('patch')
request.del = verbFunc('delete')
request['delete'] = verbFunc('delete')
request.jar = function (store) {
return cookies.jar(store)
}
request.cookie = function (str) {
return cookies.parse(str)
}
function wrapRequestMethod (method, options, requester, verb) {
return function (uri, opts, callback) {
var params = initParams(uri, opts, callback)
var target = {}
extend(true, target, options, params)
target.pool = params.pool || options.pool
if (verb) {
target.method = verb.toUpperCase()
}
if (typeof requester === 'function') {
method = requester
}
return method(target, target.callback)
}
}
request.defaults = function (options, requester) {
var self = this
options = options || {}
if (typeof options === 'function') {
requester = options
options = {}
}
var defaults = wrapRequestMethod(self, options, requester)
var verbs = ['get', 'head', 'post', 'put', 'patch', 'del', 'delete']
verbs.forEach(function (verb) {
defaults[verb] = wrapRequestMethod(self[verb], options, requester, verb)
})
defaults.cookie = wrapRequestMethod(self.cookie, options, requester)
defaults.jar = self.jar
defaults.defaults = self.defaults
return defaults
}
request.forever = function (agentOptions, optionsArg) {
var options = {}
if (optionsArg) {
extend(options, optionsArg)
}
if (agentOptions) {
options.agentOptions = agentOptions
}
options.forever = true
return request.defaults(options)
}
// Exports
module.exports = request
request.Request = require('./request')
request.initParams = initParams
// Backwards compatibility for request.debug
Object.defineProperty(request, 'debug', {
enumerable: true,
get: function () {
return request.Request.debug
},
set: function (debug) {
request.Request.debug = debug
}
})
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