88 lines
2.1 KiB
JavaScript
88 lines
2.1 KiB
JavaScript
(function( jQuery ) {
|
|
|
|
var jsc = jQuery.now(),
|
|
jsre = /(\=)(?:\?|%3F)(&|$)|()(?:\?\?|%3F%3F)()/i;
|
|
|
|
// Default jsonp settings
|
|
jQuery.ajaxSetup({
|
|
jsonp: "callback",
|
|
jsonpCallback: function() {
|
|
return "jsonp" + jsc++;
|
|
}
|
|
});
|
|
|
|
// Detect, normalize options and install callbacks for jsonp requests
|
|
// (dataIsString is used internally)
|
|
jQuery.ajaxPrefilter("json jsonp", function(s, originalSettings, dataIsString) {
|
|
|
|
dataIsString = ( typeof(s.data) === "string" );
|
|
|
|
if ( s.dataTypes[ 0 ] === "jsonp" ||
|
|
originalSettings.jsonpCallback ||
|
|
originalSettings.jsonp != null ||
|
|
s.jsonp !== false && ( jsre.test( s.url ) ||
|
|
dataIsString && jsre.test( s.data ) ) ) {
|
|
|
|
var responseContainer,
|
|
jsonpCallback = s.jsonpCallback =
|
|
jQuery.isFunction( s.jsonpCallback ) ? s.jsonpCallback() : s.jsonpCallback,
|
|
previous = window[ jsonpCallback ],
|
|
url = s.url,
|
|
data = s.data,
|
|
replace = "$1" + jsonpCallback + "$2";
|
|
|
|
if ( s.jsonp !== false ) {
|
|
url = url.replace( jsre, replace );
|
|
if ( s.url === url ) {
|
|
if ( dataIsString ) {
|
|
data = data.replace( jsre, replace );
|
|
}
|
|
if ( s.data === data ) {
|
|
// Add callback manually
|
|
url += (/\?/.test( url ) ? "&" : "?") + s.jsonp + "=" + jsonpCallback;
|
|
}
|
|
}
|
|
}
|
|
|
|
s.url = url;
|
|
s.data = data;
|
|
|
|
window [ jsonpCallback ] = function( response ) {
|
|
responseContainer = [response];
|
|
};
|
|
|
|
s.complete = [function() {
|
|
|
|
// Set callback back to previous value
|
|
window[ jsonpCallback ] = previous;
|
|
|
|
// Call if it was a function and we have a response
|
|
if ( previous) {
|
|
if ( responseContainer && jQuery.isFunction ( previous ) ) {
|
|
window[ jsonpCallback ] ( responseContainer[0] );
|
|
}
|
|
} else {
|
|
// else, more memory leak avoidance
|
|
try{ delete window[ jsonpCallback ]; } catch(e){}
|
|
}
|
|
|
|
}, s.complete ];
|
|
|
|
// Use data converter to retrieve json after script execution
|
|
s.converters["script json"] = function() {
|
|
if ( ! responseContainer ) {
|
|
jQuery.error( jsonpCallback + " was not called" );
|
|
}
|
|
return responseContainer[ 0 ];
|
|
};
|
|
|
|
// force json dataType
|
|
s.dataTypes[ 0 ] = "json";
|
|
|
|
// Delegate to script
|
|
return "script";
|
|
}
|
|
});
|
|
|
|
})( jQuery );
|