X-Git-Url: http://git.asbjorn.it/?p=jquery.git;a=blobdiff_plain;f=src%2Fajax%2Fjsonp.js;h=16a4c2fd2e554c58101b8985ff4ec25f6da5023a;hp=0af00567c3e37bec7b92beab6acc6d5e82787ff4;hb=325dcdc2ab05173f809b9d83af59918b3695cc23;hpb=62a1a1a8fa64f92f429a3f5b8ed2e0d1f6fc3d6c diff --git a/src/ajax/jsonp.js b/src/ajax/jsonp.js index 0af0056..16a4c2f 100644 --- a/src/ajax/jsonp.js +++ b/src/ajax/jsonp.js @@ -1,8 +1,7 @@ (function( jQuery ) { var jsc = jQuery.now(), - jsre = /\=\?(&|$)/, - rquery_jsonp = /\?/; + jsre = /(\=)\?(&|$)|()\?\?()/i; // Default jsonp settings jQuery.ajaxSetup({ @@ -12,73 +11,78 @@ jQuery.ajaxSetup({ } }); -// Normalize jsonp queries -// 1) put callback parameter in url or data -// 2) sneakily ensure transportDataType is always jsonp for jsonp requests -jQuery.ajax.prefilter("json jsonp", function(s, originalSettings) { +// Detect, normalize options and install callbacks for jsonp requests +jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, dataIsString /* internal */ ) { + + dataIsString = ( typeof s.data === "string" ); if ( s.dataTypes[ 0 ] === "jsonp" || - originalSettings.jsonp || originalSettings.jsonpCallback || - jsre.test(s.url) || - typeof(s.data) === "string" && jsre.test(s.data) ) { + originalSettings.jsonp != null || + s.jsonp !== false && ( jsre.test( s.url ) || + dataIsString && jsre.test( s.data ) ) ) { - var jsonpCallback = s.jsonpCallback = + var responseContainer, + jsonpCallback = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ? s.jsonpCallback() : s.jsonpCallback, - url = s.url.replace(jsre, "=" + jsonpCallback + "$1"), - data = s.url === url && typeof(s.data) === "string" ? s.data.replace(jsre, "=" + jsonpCallback + "$1") : s.data; - - if ( url === s.url && data === s.data ) { - url += (rquery_jsonp.test( url ) ? "&" : "?") + s.jsonp + "=" + 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; - s.dataTypes[ 0 ] = "jsonp"; - } - -// Bind transport to jsonp dataType -}).transport("jsonp", function(s) { - - // Put callback in place - var responseContainer, - jsonpCallback = s.jsonpCallback, - previous = window[ jsonpCallback ]; - - window [ jsonpCallback ] = function( response ) { - responseContainer = [response]; - }; - s.complete = [function() { + 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 ) {} + } - // Set callback back to previous value - window[ jsonpCallback ] = previous; + }, s.complete ]; - // Call if it was a function and we have a response - if ( previous) { - if ( responseContainer && jQuery.isFunction ( previous ) ) { - window[ jsonpCallback ] ( responseContainer[0] ); + // Use data converter to retrieve json after script execution + s.converters["script json"] = function() { + if ( ! responseContainer ) { + jQuery.error( jsonpCallback + " was not called" ); } - } else { - // else, more memory leak avoidance - try{ delete window[ jsonpCallback ]; } catch(e){} - } + return responseContainer[ 0 ]; + }; - }, s.complete ]; + // force json dataType + s.dataTypes[ 0 ] = "json"; - // Sneakily ensure this will be handled as json - s.dataTypes[ 0 ] = "json"; - - // 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 ]; - }; - - // Delegate to script transport - return "script"; -}); + // Delegate to script + return "script"; + } +} ); })( jQuery );