| /bower_components/jquery/src/ajax/xhr.js |
|---|
| @@ -1,33 +1,42 @@ |
|---|
| define( [ |
| define([ |
| "../core", |
| "../var/support", |
| "../ajax" |
| ], function( jQuery, support ) { |
| |
| "use strict"; |
| |
| jQuery.ajaxSettings.xhr = function() { |
| try { |
| return new window.XMLHttpRequest(); |
| } catch ( e ) {} |
| return new XMLHttpRequest(); |
| } catch( e ) {} |
| }; |
| |
| var xhrSuccessStatus = { |
| |
| // File protocol always yields status code 0, assume 200 |
| var xhrId = 0, |
| xhrCallbacks = {}, |
| xhrSuccessStatus = { |
| // file protocol always yields status code 0, assume 200 |
| 0: 200, |
| |
| // Support: IE <=9 only |
| // Support: IE9 |
| // #1450: sometimes IE returns 1223 when it should be 204 |
| 1223: 204 |
| }, |
| xhrSupported = jQuery.ajaxSettings.xhr(); |
| |
| // Support: IE9 |
| // Open requests must be manually aborted on unload (#5280) |
| // See https://support.microsoft.com/kb/2856746 for more info |
| if ( window.attachEvent ) { |
| window.attachEvent( "onunload", function() { |
| for ( var key in xhrCallbacks ) { |
| xhrCallbacks[ key ](); |
| } |
| }); |
| } |
| |
| support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported ); |
| support.ajax = xhrSupported = !!xhrSupported; |
| |
| jQuery.ajaxTransport( function( options ) { |
| var callback, errorCallback; |
| jQuery.ajaxTransport(function( options ) { |
| var callback; |
| |
| // Cross domain only allowed if supported through XMLHttpRequest |
| if ( support.cors || xhrSupported && !options.crossDomain ) { |
| @@ -34,15 +43,10 @@ |
|---|
| return { |
| send: function( headers, complete ) { |
| var i, |
| xhr = options.xhr(); |
| xhr = options.xhr(), |
| id = ++xhrId; |
| |
| xhr.open( |
| options.type, |
| options.url, |
| options.async, |
| options.username, |
| options.password |
| ); |
| xhr.open( options.type, options.url, options.async, options.username, options.password ); |
| |
| // Apply custom fields if provided |
| if ( options.xhrFields ) { |
| @@ -61,8 +65,8 @@ |
|---|
| // 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"; |
| if ( !options.crossDomain && !headers["X-Requested-With"] ) { |
| headers["X-Requested-With"] = "XMLHttpRequest"; |
| } |
| |
| // Set headers |
| @@ -74,38 +78,27 @@ |
|---|
| callback = function( type ) { |
| return function() { |
| if ( callback ) { |
| callback = errorCallback = xhr.onload = |
| xhr.onerror = xhr.onabort = xhr.onreadystatechange = null; |
| delete xhrCallbacks[ id ]; |
| callback = xhr.onload = xhr.onerror = null; |
| |
| if ( type === "abort" ) { |
| xhr.abort(); |
| } else if ( type === "error" ) { |
| |
| // Support: IE <=9 only |
| // 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 |
| ); |
| } |
| complete( |
| // file: protocol always yields status 0; see #8605, #14207 |
| xhr.status, |
| xhr.statusText |
| ); |
| } else { |
| complete( |
| xhrSuccessStatus[ xhr.status ] || xhr.status, |
| xhr.statusText, |
| |
| // Support: IE <=9 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 }, |
| // Support: IE9 |
| // Accessing binary-data responseText throws an exception |
| // (#11426) |
| typeof xhr.responseText === "string" ? { |
| text: xhr.responseText |
| } : undefined, |
| xhr.getAllResponseHeaders() |
| ); |
| } |
| @@ -115,41 +108,15 @@ |
|---|
| |
| // Listen to events |
| xhr.onload = callback(); |
| errorCallback = xhr.onerror = callback( "error" ); |
| xhr.onerror = callback("error"); |
| |
| // Support: IE 9 only |
| // 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(); |
| } |
| } ); |
| } |
| }; |
| } |
| |
| // Create the abort callback |
| callback = callback( "abort" ); |
| callback = xhrCallbacks[ id ] = callback("abort"); |
| |
| try { |
| |
| // 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 ) { |
| throw e; |
| @@ -164,6 +131,6 @@ |
|---|
| } |
| }; |
| } |
| } ); |
| }); |
| |
| } ); |
| }); |
