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path: root/libs/bower_components/jquery/src/ajax/xhr.js
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-rw-r--r--libs/bower_components/jquery/src/ajax/xhr.js309
1 files changed, 140 insertions, 169 deletions
diff --git a/libs/bower_components/jquery/src/ajax/xhr.js b/libs/bower_components/jquery/src/ajax/xhr.js
index 0f560f45a2..db670ff15c 100644
--- a/libs/bower_components/jquery/src/ajax/xhr.js
+++ b/libs/bower_components/jquery/src/ajax/xhr.js
@@ -1,196 +1,167 @@
-define([
+define( [
"../core",
"../var/support",
"../ajax"
], function( jQuery, support ) {
-// Create the request object
-// (This is still attached to ajaxSettings for backward compatibility)
-jQuery.ajaxSettings.xhr = window.ActiveXObject !== undefined ?
- // Support: IE6+
- function() {
-
- // XHR cannot access local files, always use ActiveX for that case
- return !this.isLocal &&
-
- // Support: IE7-8
- // oldIE XHR does not support non-RFC2616 methods (#13240)
- // See http://msdn.microsoft.com/en-us/library/ie/ms536648(v=vs.85).aspx
- // and http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html#sec9
- // Although this check for six methods instead of eight
- // since IE also does not support "trace" and "connect"
- /^(get|post|head|put|delete|options)$/i.test( this.type ) &&
-
- createStandardXHR() || createActiveXHR();
- } :
- // For all other browsers, use the standard XMLHttpRequest object
- createStandardXHR;
-
-var xhrId = 0,
- xhrCallbacks = {},
- xhrSupported = jQuery.ajaxSettings.xhr();
-
-// Support: IE<10
-// Open requests must be manually aborted on unload (#5280)
-if ( window.ActiveXObject ) {
- jQuery( window ).on( "unload", function() {
- for ( var key in xhrCallbacks ) {
- xhrCallbacks[ key ]( undefined, true );
- }
- });
-}
-
-// Determine support properties
-support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
-xhrSupported = support.ajax = !!xhrSupported;
-
-// Create transport if the browser can provide an xhr
-if ( xhrSupported ) {
-
- jQuery.ajaxTransport(function( options ) {
- // Cross domain only allowed if supported through XMLHttpRequest
- if ( !options.crossDomain || support.cors ) {
+jQuery.ajaxSettings.xhr = function() {
+ try {
+ return new window.XMLHttpRequest();
+ } catch ( e ) {}
+};
- var callback;
+var xhrSuccessStatus = {
- return {
- send: function( headers, complete ) {
- var i,
- xhr = options.xhr(),
- id = ++xhrId;
+ // File protocol always yields status code 0, assume 200
+ 0: 200,
- // Open the socket
- xhr.open( options.type, options.url, options.async, options.username, options.password );
+ // Support: IE9
+ // #1450: sometimes IE returns 1223 when it should be 204
+ 1223: 204
+ },
+ xhrSupported = jQuery.ajaxSettings.xhr();
- // Apply custom fields if provided
- if ( options.xhrFields ) {
- for ( i in options.xhrFields ) {
- xhr[ i ] = options.xhrFields[ i ];
- }
+support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
+support.ajax = xhrSupported = !!xhrSupported;
+
+jQuery.ajaxTransport( function( options ) {
+ var callback, errorCallback;
+
+ // Cross domain only allowed if supported through XMLHttpRequest
+ if ( support.cors || xhrSupported && !options.crossDomain ) {
+ return {
+ send: function( headers, complete ) {
+ var i,
+ xhr = options.xhr();
+
+ xhr.open(
+ options.type,
+ options.url,
+ options.async,
+ options.username,
+ options.password
+ );
+
+ // Apply custom fields if provided
+ if ( options.xhrFields ) {
+ for ( i in options.xhrFields ) {
+ xhr[ i ] = options.xhrFields[ i ];
}
+ }
- // Override mime type if needed
- if ( options.mimeType && xhr.overrideMimeType ) {
- xhr.overrideMimeType( options.mimeType );
- }
+ // Override mime type if needed
+ if ( options.mimeType && xhr.overrideMimeType ) {
+ xhr.overrideMimeType( options.mimeType );
+ }
- // X-Requested-With header
- // For cross-domain requests, seeing as conditions for a preflight are
- // akin to a jigsaw puzzle, we simply never set it to be sure.
- // (it can always be set on a per-request basis or even using ajaxSetup)
- // For same-domain requests, won't change header if already provided.
- if ( !options.crossDomain && !headers["X-Requested-With"] ) {
- headers["X-Requested-With"] = "XMLHttpRequest";
- }
+ // X-Requested-With header
+ // For cross-domain requests, seeing as conditions for a preflight are
+ // akin to a jigsaw puzzle, we simply never set it to be sure.
+ // (it can always be set on a per-request basis or even using ajaxSetup)
+ // For same-domain requests, won't change header if already provided.
+ if ( !options.crossDomain && !headers[ "X-Requested-With" ] ) {
+ headers[ "X-Requested-With" ] = "XMLHttpRequest";
+ }
- // Set headers
- for ( i in headers ) {
- // Support: IE<9
- // IE's ActiveXObject throws a 'Type Mismatch' exception when setting
- // request header to a null-value.
- //
- // To keep consistent with other XHR implementations, cast the value
- // to string and ignore `undefined`.
- if ( headers[ i ] !== undefined ) {
- xhr.setRequestHeader( i, headers[ i ] + "" );
- }
- }
+ // Set headers
+ for ( i in headers ) {
+ xhr.setRequestHeader( i, headers[ i ] );
+ }
- // Do send the request
- // This may raise an exception which is actually
- // handled in jQuery.ajax (so no try/catch here)
- xhr.send( ( options.hasContent && options.data ) || null );
-
- // Listener
- callback = function( _, isAbort ) {
- var status, statusText, responses;
-
- // Was never called and is aborted or complete
- if ( callback && ( isAbort || xhr.readyState === 4 ) ) {
- // Clean up
- delete xhrCallbacks[ id ];
- callback = undefined;
- xhr.onreadystatechange = jQuery.noop;
-
- // Abort manually if needed
- if ( isAbort ) {
- if ( xhr.readyState !== 4 ) {
- xhr.abort();
+ // Callback
+ callback = function( type ) {
+ return function() {
+ if ( callback ) {
+ callback = errorCallback = xhr.onload =
+ xhr.onerror = xhr.onabort = xhr.onreadystatechange = null;
+
+ if ( type === "abort" ) {
+ xhr.abort();
+ } else if ( type === "error" ) {
+
+ // Support: IE9
+ // On a manual native abort, IE9 throws
+ // errors on any property access that is not readyState
+ if ( typeof xhr.status !== "number" ) {
+ complete( 0, "error" );
+ } else {
+ complete(
+
+ // File: protocol always yields status 0; see #8605, #14207
+ xhr.status,
+ xhr.statusText
+ );
}
} else {
- responses = {};
- status = xhr.status;
-
- // Support: IE<10
- // Accessing binary-data responseText throws an exception
- // (#11426)
- if ( typeof xhr.responseText === "string" ) {
- responses.text = xhr.responseText;
- }
-
- // Firefox throws an exception when accessing
- // statusText for faulty cross-domain requests
- try {
- statusText = xhr.statusText;
- } catch( e ) {
- // We normalize with Webkit giving an empty statusText
- statusText = "";
- }
-
- // Filter status for non standard behaviors
-
- // If the request is local and we have data: assume a success
- // (success with no data won't get notified, that's the best we
- // can do given current implementations)
- if ( !status && options.isLocal && !options.crossDomain ) {
- status = responses.text ? 200 : 404;
- // IE - #1450: sometimes returns 1223 when it should be 204
- } else if ( status === 1223 ) {
- status = 204;
- }
+ complete(
+ xhrSuccessStatus[ xhr.status ] || xhr.status,
+ xhr.statusText,
+
+ // Support: IE9 only
+ // IE9 has no XHR2 but throws on binary (trac-11426)
+ // For XHR2 non-text, let the caller handle it (gh-2498)
+ ( xhr.responseType || "text" ) !== "text" ||
+ typeof xhr.responseText !== "string" ?
+ { binary: xhr.response } :
+ { text: xhr.responseText },
+ xhr.getAllResponseHeaders()
+ );
}
}
-
- // Call complete if needed
- if ( responses ) {
- complete( status, statusText, responses, xhr.getAllResponseHeaders() );
+ };
+ };
+
+ // Listen to events
+ xhr.onload = callback();
+ errorCallback = xhr.onerror = callback( "error" );
+
+ // Support: IE9
+ // Use onreadystatechange to replace onabort
+ // to handle uncaught aborts
+ if ( xhr.onabort !== undefined ) {
+ xhr.onabort = errorCallback;
+ } else {
+ xhr.onreadystatechange = function() {
+
+ // Check readyState before timeout as it changes
+ if ( xhr.readyState === 4 ) {
+
+ // Allow onerror to be called first,
+ // but that will not handle a native abort
+ // Also, save errorCallback to a variable
+ // as xhr.onerror cannot be accessed
+ window.setTimeout( function() {
+ if ( callback ) {
+ errorCallback();
+ }
+ } );
}
};
+ }
- if ( !options.async ) {
- // if we're in sync mode we fire the callback
- callback();
- } else if ( xhr.readyState === 4 ) {
- // (IE6 & IE7) if it's in cache and has been
- // retrieved directly we need to fire the callback
- setTimeout( callback );
- } else {
- // Add to the list of active xhr callbacks
- xhr.onreadystatechange = xhrCallbacks[ id ] = callback;
- }
- },
+ // Create the abort callback
+ callback = callback( "abort" );
+
+ try {
- abort: function() {
+ // Do send the request (this may raise an exception)
+ xhr.send( options.hasContent && options.data || null );
+ } catch ( e ) {
+
+ // #14683: Only rethrow if this hasn't been notified as an error yet
if ( callback ) {
- callback( undefined, true );
+ throw e;
}
}
- };
- }
- });
-}
+ },
-// Functions to create xhrs
-function createStandardXHR() {
- try {
- return new window.XMLHttpRequest();
- } catch( e ) {}
-}
-
-function createActiveXHR() {
- try {
- return new window.ActiveXObject( "Microsoft.XMLHTTP" );
- } catch( e ) {}
-}
+ abort: function() {
+ if ( callback ) {
+ callback();
+ }
+ }
+ };
+ }
+} );
-});
+} );
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-18 17:29:26 +0300