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upgrade dojo to 1.8.3 (refs #570)
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Andrew Dolgov
218
lib/dojo/request/script.js.uncompressed.js
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218
lib/dojo/request/script.js.uncompressed.js
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@@ -0,0 +1,218 @@
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define("dojo/request/script", [
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'module',
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'./watch',
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'./util',
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'../_base/array',
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'../_base/lang',
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'../on',
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'../dom',
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'../dom-construct',
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'../has',
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'../_base/window'/*=====,
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'../request',
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'../_base/declare' =====*/
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], function(module, watch, util, array, lang, on, dom, domConstruct, has, win/*=====, request, declare =====*/){
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has.add('script-readystatechange', function(global, document){
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var script = document.createElement('script');
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return typeof script['onreadystatechange'] !== 'undefined' &&
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(typeof global['opera'] === 'undefined' || global['opera'].toString() !== '[object Opera]');
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});
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var mid = module.id.replace(/[\/\.\-]/g, '_'),
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counter = 0,
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loadEvent = has('script-readystatechange') ? 'readystatechange' : 'load',
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readyRegExp = /complete|loaded/,
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callbacks = this[mid + '_callbacks'] = {},
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deadScripts = [];
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function attach(id, url, frameDoc){
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var doc = (frameDoc || win.doc),
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element = doc.createElement('script');
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element.type = 'text/javascript';
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element.src = url;
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element.id = id;
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element.async = true;
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element.charset = 'utf-8';
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return doc.getElementsByTagName('head')[0].appendChild(element);
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}
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function remove(id, frameDoc, cleanup){
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domConstruct.destroy(dom.byId(id, frameDoc));
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if(callbacks[id]){
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if(cleanup){
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// set callback to a function that deletes itself so requests that
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// are in-flight don't error out when returning and also
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// clean up after themselves
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callbacks[id] = function(){
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delete callbacks[id];
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};
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}else{
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delete callbacks[id];
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}
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}
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}
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function _addDeadScript(dfd){
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// Be sure to check ioArgs because it can dynamically change in the dojox/io plugins.
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// See http://bugs.dojotoolkit.org/ticket/15890.
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var options = dfd.response.options,
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frameDoc = options.ioArgs ? options.ioArgs.frameDoc : options.frameDoc;
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deadScripts.push({ id: dfd.id, frameDoc: frameDoc });
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if(options.ioArgs){
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options.ioArgs.frameDoc = null;
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}
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options.frameDoc = null;
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}
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function canceler(dfd, response){
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if(dfd.canDelete){
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//For timeouts and cancels, remove the script element immediately to
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//avoid a response from it coming back later and causing trouble.
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script._remove(dfd.id, response.options.frameDoc, true);
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}
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}
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function isValid(response){
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//Do script cleanup here. We wait for one inflight pass
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//to make sure we don't get any weird things by trying to remove a script
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//tag that is part of the call chain (IE 6 has been known to
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//crash in that case).
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if(deadScripts && deadScripts.length){
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array.forEach(deadScripts, function(_script){
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script._remove(_script.id, _script.frameDoc);
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_script.frameDoc = null;
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});
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deadScripts = [];
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}
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return response.options.jsonp ? !response.data : true;
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}
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function isReadyScript(response){
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return !!this.scriptLoaded;
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}
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function isReadyCheckString(response){
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var checkString = response.options.checkString;
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return checkString && eval('typeof(' + checkString + ') !== "undefined"');
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}
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function handleResponse(response, error){
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if(this.canDelete){
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_addDeadScript(this);
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}
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if(error){
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this.reject(error);
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}else{
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this.resolve(response);
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}
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}
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function script(url, options, returnDeferred){
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var response = util.parseArgs(url, util.deepCopy({}, options));
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url = response.url;
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options = response.options;
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var dfd = util.deferred(
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response,
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canceler,
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isValid,
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options.jsonp ? null : (options.checkString ? isReadyCheckString : isReadyScript),
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handleResponse
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);
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lang.mixin(dfd, {
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id: mid + (counter++),
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canDelete: false
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});
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if(options.jsonp){
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var queryParameter = new RegExp('[?&]' + options.jsonp + '=');
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if(!queryParameter.test(url)){
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url += queryParameter +
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(options.frameDoc ? 'parent.' : '') +
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mid + '_callbacks.' + dfd.id;
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}
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dfd.canDelete = true;
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callbacks[dfd.id] = function(json){
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response.data = json;
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dfd.handleResponse(response);
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};
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}
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if(util.notify){
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util.notify.emit('send', response, dfd.promise.cancel);
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}
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if(!options.canAttach || options.canAttach(dfd)){
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var node = script._attach(dfd.id, url, options.frameDoc);
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if(!options.jsonp && !options.checkString){
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var handle = on(node, loadEvent, function(evt){
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if(evt.type === 'load' || readyRegExp.test(node.readyState)){
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handle.remove();
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dfd.scriptLoaded = evt;
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}
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});
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}
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}
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watch(dfd);
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return returnDeferred ? dfd : dfd.promise;
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}
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script.get = script;
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/*=====
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script = function(url, options){
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// summary:
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// Sends a request using a script element with the given URL and options.
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// url: String
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// URL to request
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// options: dojo/request/script.__Options?
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// Options for the request.
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// returns: dojo/request.__Promise
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};
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script.__BaseOptions = declare(request.__BaseOptions, {
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// jsonp: String?
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// The URL parameter name that indicates the JSONP callback string.
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// For instance, when using Yahoo JSONP calls it is normally,
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// jsonp: "callback". For AOL JSONP calls it is normally
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// jsonp: "c".
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// checkString: String?
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// A string of JavaScript that when evaluated like so:
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// "typeof(" + checkString + ") != 'undefined'"
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// being true means that the script fetched has been loaded.
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// Do not use this if doing a JSONP type of call (use `jsonp` instead).
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// frameDoc: Document?
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// The Document object of a child iframe. If this is passed in, the script
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// will be attached to that document. This can be helpful in some comet long-polling
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// scenarios with Firefox and Opera.
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});
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script.__MethodOptions = declare(null, {
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// method: String?
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// This option is ignored. All requests using this transport are
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// GET requests.
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});
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script.__Options = declare([script.__BaseOptions, script.__MethodOptions]);
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script.get = function(url, options){
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// summary:
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// Send an HTTP GET request using a script element with the given URL and options.
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// url: String
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// URL to request
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// options: dojo/request/script.__BaseOptions?
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// Options for the request.
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// returns: dojo/request.__Promise
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};
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=====*/
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// TODO: Remove in 2.0
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script._attach = attach;
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script._remove = remove;
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script._callbacksProperty = mid + '_callbacks';
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return script;
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});
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