aboutsummaryrefslogtreecommitdiffhomepage
path: root/node_modules/body-parser/index.js
blob: 93c3a1fffa7fe990582eb24e8f02d24d3bdc97ed (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
/*!
 * body-parser
 * Copyright(c) 2014-2015 Douglas Christopher Wilson
 * MIT Licensed
 */

'use strict'

/**
 * Module dependencies.
 * @private
 */

var deprecate = require('depd')('body-parser')

/**
 * Cache of loaded parsers.
 * @private
 */

var parsers = Object.create(null)

/**
 * @typedef Parsers
 * @type {function}
 * @property {function} json
 * @property {function} raw
 * @property {function} text
 * @property {function} urlencoded
 */

/**
 * Module exports.
 * @type {Parsers}
 */

exports = module.exports = deprecate.function(bodyParser,
  'bodyParser: use individual json/urlencoded middlewares')

/**
 * JSON parser.
 * @public
 */

Object.defineProperty(exports, 'json', {
  configurable: true,
  enumerable: true,
  get: createParserGetter('json')
})

/**
 * Raw parser.
 * @public
 */

Object.defineProperty(exports, 'raw', {
  configurable: true,
  enumerable: true,
  get: createParserGetter('raw')
})

/**
 * Text parser.
 * @public
 */

Object.defineProperty(exports, 'text', {
  configurable: true,
  enumerable: true,
  get: createParserGetter('text')
})

/**
 * URL-encoded parser.
 * @public
 */

Object.defineProperty(exports, 'urlencoded', {
  configurable: true,
  enumerable: true,
  get: createParserGetter('urlencoded')
})

/**
 * Create a middleware to parse json and urlencoded bodies.
 *
 * @param {object} [options]
 * @return {function}
 * @deprecated
 * @public
 */

function bodyParser (options) {
  var opts = {}

  // exclude type option
  if (options) {
    for (var prop in options) {
      if (prop !== 'type') {
        opts[prop] = options[prop]
      }
    }
  }

  var _urlencoded = exports.urlencoded(opts)
  var _json = exports.json(opts)

  return function bodyParser (req, res, next) {
    _json(req, res, function (err) {
      if (err) return next(err)
      _urlencoded(req, res, next)
    })
  }
}

/**
 * Create a getter for loading a parser.
 * @private
 */

function createParserGetter (name) {
  return function get () {
    return loadParser(name)
  }
}

/**
 * Load a parser module.
 * @private
 */

function loadParser (parserName) {
  var parser = parsers[parserName]

  if (parser !== undefined) {
    return parser
  }

  // this uses a switch for static require analysis
  switch (parserName) {
    case 'json':
      parser = require('./lib/types/json')
      break
    case 'raw':
      parser = require('./lib/types/raw')
      break
    case 'text':
      parser = require('./lib/types/text')
      break
    case 'urlencoded':
      parser = require('./lib/types/urlencoded')
      break
  }

  // store to prevent invoking require()
  return (parsers[parserName] = parser)
}