| 15403 |
manish.sha |
1 |
define([
|
|
|
2 |
"../core",
|
|
|
3 |
"../var/support",
|
|
|
4 |
"../ajax"
|
|
|
5 |
], function( jQuery, support ) {
|
|
|
6 |
|
|
|
7 |
jQuery.ajaxSettings.xhr = function() {
|
|
|
8 |
try {
|
|
|
9 |
return new XMLHttpRequest();
|
|
|
10 |
} catch( e ) {}
|
|
|
11 |
};
|
|
|
12 |
|
|
|
13 |
var xhrId = 0,
|
|
|
14 |
xhrCallbacks = {},
|
|
|
15 |
xhrSuccessStatus = {
|
|
|
16 |
// file protocol always yields status code 0, assume 200
|
|
|
17 |
0: 200,
|
|
|
18 |
// Support: IE9
|
|
|
19 |
// #1450: sometimes IE returns 1223 when it should be 204
|
|
|
20 |
1223: 204
|
|
|
21 |
},
|
|
|
22 |
xhrSupported = jQuery.ajaxSettings.xhr();
|
|
|
23 |
|
|
|
24 |
// Support: IE9
|
|
|
25 |
// Open requests must be manually aborted on unload (#5280)
|
|
|
26 |
// See https://support.microsoft.com/kb/2856746 for more info
|
|
|
27 |
if ( window.attachEvent ) {
|
|
|
28 |
window.attachEvent( "onunload", function() {
|
|
|
29 |
for ( var key in xhrCallbacks ) {
|
|
|
30 |
xhrCallbacks[ key ]();
|
|
|
31 |
}
|
|
|
32 |
});
|
|
|
33 |
}
|
|
|
34 |
|
|
|
35 |
support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
|
|
|
36 |
support.ajax = xhrSupported = !!xhrSupported;
|
|
|
37 |
|
|
|
38 |
jQuery.ajaxTransport(function( options ) {
|
|
|
39 |
var callback;
|
|
|
40 |
|
|
|
41 |
// Cross domain only allowed if supported through XMLHttpRequest
|
|
|
42 |
if ( support.cors || xhrSupported && !options.crossDomain ) {
|
|
|
43 |
return {
|
|
|
44 |
send: function( headers, complete ) {
|
|
|
45 |
var i,
|
|
|
46 |
xhr = options.xhr(),
|
|
|
47 |
id = ++xhrId;
|
|
|
48 |
|
|
|
49 |
xhr.open( options.type, options.url, options.async, options.username, options.password );
|
|
|
50 |
|
|
|
51 |
// Apply custom fields if provided
|
|
|
52 |
if ( options.xhrFields ) {
|
|
|
53 |
for ( i in options.xhrFields ) {
|
|
|
54 |
xhr[ i ] = options.xhrFields[ i ];
|
|
|
55 |
}
|
|
|
56 |
}
|
|
|
57 |
|
|
|
58 |
// Override mime type if needed
|
|
|
59 |
if ( options.mimeType && xhr.overrideMimeType ) {
|
|
|
60 |
xhr.overrideMimeType( options.mimeType );
|
|
|
61 |
}
|
|
|
62 |
|
|
|
63 |
// X-Requested-With header
|
|
|
64 |
// For cross-domain requests, seeing as conditions for a preflight are
|
|
|
65 |
// akin to a jigsaw puzzle, we simply never set it to be sure.
|
|
|
66 |
// (it can always be set on a per-request basis or even using ajaxSetup)
|
|
|
67 |
// For same-domain requests, won't change header if already provided.
|
|
|
68 |
if ( !options.crossDomain && !headers["X-Requested-With"] ) {
|
|
|
69 |
headers["X-Requested-With"] = "XMLHttpRequest";
|
|
|
70 |
}
|
|
|
71 |
|
|
|
72 |
// Set headers
|
|
|
73 |
for ( i in headers ) {
|
|
|
74 |
xhr.setRequestHeader( i, headers[ i ] );
|
|
|
75 |
}
|
|
|
76 |
|
|
|
77 |
// Callback
|
|
|
78 |
callback = function( type ) {
|
|
|
79 |
return function() {
|
|
|
80 |
if ( callback ) {
|
|
|
81 |
delete xhrCallbacks[ id ];
|
|
|
82 |
callback = xhr.onload = xhr.onerror = null;
|
|
|
83 |
|
|
|
84 |
if ( type === "abort" ) {
|
|
|
85 |
xhr.abort();
|
|
|
86 |
} else if ( type === "error" ) {
|
|
|
87 |
complete(
|
|
|
88 |
// file: protocol always yields status 0; see #8605, #14207
|
|
|
89 |
xhr.status,
|
|
|
90 |
xhr.statusText
|
|
|
91 |
);
|
|
|
92 |
} else {
|
|
|
93 |
complete(
|
|
|
94 |
xhrSuccessStatus[ xhr.status ] || xhr.status,
|
|
|
95 |
xhr.statusText,
|
|
|
96 |
// Support: IE9
|
|
|
97 |
// Accessing binary-data responseText throws an exception
|
|
|
98 |
// (#11426)
|
|
|
99 |
typeof xhr.responseText === "string" ? {
|
|
|
100 |
text: xhr.responseText
|
|
|
101 |
} : undefined,
|
|
|
102 |
xhr.getAllResponseHeaders()
|
|
|
103 |
);
|
|
|
104 |
}
|
|
|
105 |
}
|
|
|
106 |
};
|
|
|
107 |
};
|
|
|
108 |
|
|
|
109 |
// Listen to events
|
|
|
110 |
xhr.onload = callback();
|
|
|
111 |
xhr.onerror = callback("error");
|
|
|
112 |
|
|
|
113 |
// Create the abort callback
|
|
|
114 |
callback = xhrCallbacks[ id ] = callback("abort");
|
|
|
115 |
|
|
|
116 |
try {
|
|
|
117 |
// Do send the request (this may raise an exception)
|
|
|
118 |
xhr.send( options.hasContent && options.data || null );
|
|
|
119 |
} catch ( e ) {
|
|
|
120 |
// #14683: Only rethrow if this hasn't been notified as an error yet
|
|
|
121 |
if ( callback ) {
|
|
|
122 |
throw e;
|
|
|
123 |
}
|
|
|
124 |
}
|
|
|
125 |
},
|
|
|
126 |
|
|
|
127 |
abort: function() {
|
|
|
128 |
if ( callback ) {
|
|
|
129 |
callback();
|
|
|
130 |
}
|
|
|
131 |
}
|
|
|
132 |
};
|
|
|
133 |
}
|
|
|
134 |
});
|
|
|
135 |
|
|
|
136 |
});
|