Blame view

node_modules/express/lib/express.js 2.17 KB
cf76164e6   Ting Chan   20190709
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
  /*!
   * express
   * Copyright(c) 2009-2013 TJ Holowaychuk
   * Copyright(c) 2013 Roman Shtylman
   * Copyright(c) 2014-2015 Douglas Christopher Wilson
   * MIT Licensed
   */
  
  'use strict';
  
  /**
   * Module dependencies.
   */
  
  var EventEmitter = require('events').EventEmitter;
  var mixin = require('merge-descriptors');
  var proto = require('./application');
  var Route = require('./router/route');
  var Router = require('./router');
  var req = require('./request');
  var res = require('./response');
  
  /**
   * Expose `createApplication()`.
   */
  
  exports = module.exports = createApplication;
  
  /**
   * Create an express application.
   *
   * @return {Function}
   * @api public
   */
  
  function createApplication() {
    var app = function(req, res, next) {
      app.handle(req, res, next);
    };
  
    mixin(app, EventEmitter.prototype, false);
    mixin(app, proto, false);
  
    // expose the prototype that will get set on requests
    app.request = Object.create(req, {
      app: { configurable: true, enumerable: true, writable: true, value: app }
    })
  
    // expose the prototype that will get set on responses
    app.response = Object.create(res, {
      app: { configurable: true, enumerable: true, writable: true, value: app }
    })
  
    app.init();
    return app;
  }
  
  /**
   * Expose the prototypes.
   */
  
  exports.application = proto;
  exports.request = req;
  exports.response = res;
  
  /**
   * Expose constructors.
   */
  
  exports.Route = Route;
  exports.Router = Router;
  
  /**
   * Expose middleware
   */
  
  exports.query = require('./middleware/query');
  exports.static = require('serve-static');
  
  /**
   * Replace removed middleware with an appropriate error message.
   */
  
  [
    'json',
    'urlencoded',
    'bodyParser',
    'compress',
    'cookieSession',
    'session',
    'logger',
    'cookieParser',
    'favicon',
    'responseTime',
    'errorHandler',
    'timeout',
    'methodOverride',
    'vhost',
    'csrf',
    'directory',
    'limit',
    'multipart',
    'staticCache',
  ].forEach(function (name) {
    Object.defineProperty(exports, name, {
      get: function () {
        throw new Error('Most middleware (like ' + name + ') is no longer bundled with Express and must be installed separately. Please see https://github.com/senchalabs/connect#middleware.');
      },
      configurable: true
    });
  });