//>>built
define("dojo/request/watch",["./util","../errors/RequestTimeoutError","../errors/CancelError","../_base/array","../_base/window","../has!host-browser?dom-addeventlistener?:../on:"],function(_1,_2,_3,_4,_5,on){var _6=null,_7=[];function _8(){var _9=+(new Date);for(var i=0,_a;i<_7.length&&(_a=_7[i]);i++){var _b=_a.response,_c=_b.options;if((_a.isCanceled&&_a.isCanceled())||(_a.isValid&&!_a.isValid(_b))){_7.splice(i--,1);_d._onAction&&_d._onAction();}else{if(_a.isReady&&_a.isReady(_b)){_7.splice(i--,1);_a.handleResponse(_b);_d._onAction&&_d._onAction();}else{if(_a.startTime){if(_a.startTime+(_c.timeout||0)<_9){_7.splice(i--,1);_a.cancel(new _2("Timeout exceeded",_b));_d._onAction&&_d._onAction();}}}}}_d._onInFlight&&_d._onInFlight(_a);if(!_7.length){clearInterval(_6);_6=null;}};function _d(_e){if(_e.response.options.timeout){_e.startTime=+(new Date);}if(_e.isFulfilled()){return;}_7.push(_e);if(!_6){_6=setInterval(_8,50);}if(_e.response.options.sync){_8();}};_d.cancelAll=function cancelAll(){try{_4.forEach(_7,function(_f){try{_f.cancel(new _3("All requests canceled."));}catch(e){}});}catch(e){}};if(_5&&on&&_5.doc.attachEvent){on(_5.global,"unload",function(){_d.cancelAll();});}return _d;});