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0,this._updateProgress(e.current),this._needToFetchStatus=!1,e.finalized&&(this._needToFetchMetadata=!0),this.completeTransitions_()},this._errorHandler)})}_continueUpload(){const n=262144*this._chunkMultiplier,i=new Te(this._transferred,this._blob.size()),o=this._uploadUrl;this._resolveToken((e,t)=>{let r;try{r=we(this._ref._location,this._ref.storage,o,this._blob,n,this._mappings,i,this._makeProgressCallback())}catch(e){return this._error=e,void this._transition("error")}const s=this._ref.storage._makeRequest(r,Ne,e,t,!1);this._request=s,s.getPromise().then(e=>{this._increaseMultiplier(),this._request=void 0,this._updateProgress(e.current),e.finalized?(this._metadata=e.metadata,this._transition("success")):this.completeTransitions_()},this._errorHandler)})}_increaseMultiplier(){2*(262144*this._chunkMultiplier)<33554432&&(this._chunkMultiplier*=2)}_fetchMetadata(){this._resolveToken((e,t)=>{var r=me(this._ref.storage,this._ref._location,this._mappings);const s=this._ref.storage._makeRequest(r,Ne,e,t);this._request=s,s.getPromise().then(e=>{this._request=void 0,this._metadata=e,this._transition("success")},this._metadataErrorHandler)})}_oneShotUpload(){this._resolveToken((e,t)=>{var r=ve(this._ref.storage,this._ref._location,this._mappings,this._blob,this._metadata);const s=this._ref.storage._makeRequest(r,Ne,e,t);this._request=s,s.getPromise().then(e=>{this._request=void 0,this._metadata=e,this._updateProgress(this._blob.size()),this._transition("success")},this._errorHandler)})}_updateProgress(e){var t=this._transferred;this._transferred=e,this._transferred!==t&&this._notifyObservers()}_transition(e){if(this._state!==e)switch(e){case"canceling":case"pausing":this._state=e,void 0!==this._request?this._request.cancel():this.pendingTimeout&&(clearTimeout(this.pendingTimeout),this.pendingTimeout=void 0,this.completeTransitions_());break;case"running":var t="paused"===this._state;this._state=e,t&&(this._notifyObservers(),this._start());break;case"paused":this._state=e,this._notifyObservers();break;case"canceled":this._error=A(),this._state=e,this._notifyObservers();break;case"error":case"success":this._state=e,this._notifyObservers()}}completeTransitions_(){switch(this._state){case"pausing":this._transition("paused");break;case"canceling":this._transition("canceled");break;case"running":this._start()}}get snapshot(){var e=Se(this._state);return{bytesTransferred:this._transferred,totalBytes:this._blob.size(),state:e,metadata:this._metadata,task:this,ref:this._ref}}on(e,t,r,s){const n=new Ce(t||void 0,r||void 0,s||void 0);return this._addObserver(n),()=>{this._removeObserver(n)}}then(e,t){return this._promise.then(e,t)}catch(e){return this.then(null,e)}_addObserver(e){this._observers.push(e),this._notifyObserver(e)}_removeObserver(e){var t=this._observers.indexOf(e);-1!==t&&this._observers.splice(t,1)}_notifyObservers(){this._finishPromise();const e=this._observers.slice();e.forEach(e=>{this._notifyObserver(e)})}_finishPromise(){if(void 0!==this._resolve){let e=!0;switch(Se(this._state)){case Ae.SUCCESS:Oe(this._resolve.bind(null,this.snapshot))();break;case Ae.CANCELED:case Ae.ERROR:const t=this._reject;Oe(t.bind(null,this._error))();break;default:e=!1}e&&(this._resolve=void 0,this._reject=void 0)}}_notifyObserver(e){switch(Se(this._state)){case Ae.RUNNING:case Ae.PAUSED:e.next&&Oe(e.next.bind(e,this.snapshot))();break;case Ae.SUCCESS:e.complete&&Oe(e.complete.bind(e))();break;case Ae.CANCELED:case Ae.ERROR:default:e.error&&Oe(e.error.bind(e,this._error))()}}resume(){var e="paused"===this._state||"pausing"===this._state;return e&&this._transition("running"),e}pause(){var e="running"===this._state;return e&&this._transition("pausing"),e}cancel(){var e="running"===this._state||"pausing"===this._state;return e&&this._transition("canceling"),e}}class Ie{constructor(e,t){this._service=e,t instanceof I?this._location=t:this._location=I.makeFromUrl(t,e.host)}toString(){return"gs://"+this._location.bucket+"/"+this._location.path}_newRef(e,t){return new Ie(e,t)}get root(){var e=new I(this._location.bucket,"");return this._newRef(this._service,e)}get bucket(){return this._location.bucket}get fullPath(){return this._location.path}get name(){return ee(this._location.path)}get storage(){return this._service}get parent(){var e=function(e){if(0===e.length)return null;var t=e.lastIndexOf("/");return-1===t?"":e.slice(0,t)}(this._location.path);if(null===e)return null;e=new I(this._location.bucket,e);return new Ie(this._service,e)}_throwIfRoot(e){if(""===this._location.path)throw U(e)}}function De(e){const t={prefixes:[],items:[]};return async function e(t,r,s){const n={pageToken:s};const i=await Pe(t,n);r.prefixes.push(...i.prefixes);r.items.push(...i.items);null!=i.nextPageToken&&await e(t,r,i.nextPageToken)}(e,t).then(()=>t)}function Pe(e,t){null!=t&&"number"==typeof t.maxResults&&M("options.maxResults",1,1e3,t.maxResults);var r=t||{},r=function(e,t,r,s,n){const i={};t.isRoot?i.prefix="":i.prefix=t.path+"/",r&&0{if(null===e)throw new R(g.NO_DOWNLOAD_URL,"The given file does not have any download URLs.");return e})}function Me(e){e._throwIfRoot("deleteObject");var t=function(e,t){var r=F(t.fullServerUrl(),e.host,e._protocol),s=e.maxOperationRetryTime;const n=new ue(r,"DELETE",function(e,t){},s);return n.successCodes=[200,204],n.errorHandler=ge(t),n}(e.storage,e._location);return e.storage.makeRequestWithTokens(t,Ne)}function Fe(e,t){var r,s=(r=e._location.path,s=t.split("/").filter(e=>0e.cancel()),this._requests.clear()),Promise.resolve()}_makeStorageReference(e){return new Ie(this,e)}_makeRequest(e,t,r,s,n=!0){if(this._deleted)return new D(O());{const u=([i,o,a,e,r,s,t=!0]=[e,this._appId,r,s,t,this._firebaseVersion,n],h=q(i.urlParams),l=i.url+h,h=Object.assign({},i.headers),n=h,(o=o)&&(n["X-Firebase-GMPID"]=o),o=h,null!==(a=a)&&0this._requests.delete(u),()=>this._requests.delete(u)),u}var i,o,a,h,l}async makeRequestWithTokens(e,t){var[r,s]=await Promise.all([this._getAuthToken(),this._getAppCheckToken()]);return this._makeRequest(e,t,r,s).getPromise()}}const ze="@firebase/storage";function $e(e,t,r){return e=b(e),t=t,r=r,(e=e)._throwIfRoot("uploadBytesResumable"),new xe(e,new Y(t),r)}function Ge(e){return function(e){e._throwIfRoot("getMetadata");var t=me(e.storage,e._location,ne());return e.storage.makeRequestWithTokens(t,Ne)}(e=b(e))}function Xe(e,t){return Ve(e=b(e),t)}function Ke(e,{instanceIdentifier:t}){var r=e.getProvider("app").getImmediate(),s=e.getProvider("auth-internal"),n=e.getProvider("app-check-internal");return new We(r,s,n,t,nt.SDK_VERSION)}nt._registerComponent(new v("storage",Ke,"PUBLIC").setMultipleInstances(!0)),nt.registerVersion(ze,"0.11.1",""),nt.registerVersion(ze,"0.11.1","esm2017");class Ze{constructor(e,t,r){this._delegate=e,this.task=t,this.ref=r}get bytesTransferred(){return this._delegate.bytesTransferred}get metadata(){return this._delegate.metadata}get state(){return this._delegate.state}get totalBytes(){return this._delegate.totalBytes}}class Je{constructor(e,t){this._delegate=e,this._ref=t,this.cancel=this._delegate.cancel.bind(this._delegate),this.catch=this._delegate.catch.bind(this._delegate),this.pause=this._delegate.pause.bind(this._delegate),this.resume=this._delegate.resume.bind(this._delegate)}get snapshot(){return new Ze(this._delegate.snapshot,this,this._ref)}then(t,e){return this._delegate.then(e=>{if(t)return t(new Ze(e,this,this._ref))},e)}on(e,t,r,s){let n=void 0;return t&&(n="function"==typeof t?e=>t(new Ze(e,this,this._ref)):{next:t.next?e=>t.next(new Ze(e,this,this._ref)):void 0,complete:t.complete||void 0,error:t.error||void 0}),this._delegate.on(e,n,r||void 0,s||void 0)}}class Ye{constructor(e,t){this._delegate=e,this._service=t}get prefixes(){return this._delegate.prefixes.map(e=>new Qe(e,this._service))}get items(){return this._delegate.items.map(e=>new Qe(e,this._service))}get nextPageToken(){return this._delegate.nextPageToken||null}}class Qe{constructor(e,t){this._delegate=e,this.storage=t}get name(){return this._delegate.name}get bucket(){return this._delegate.bucket}get fullPath(){return this._delegate.fullPath}toString(){return this._delegate.toString()}child(e){var t=Fe(this._delegate,e);return new Qe(t,this.storage)}get root(){return new Qe(this._delegate.root,this.storage)}get parent(){var e=this._delegate.parent;return null==e?null:new Qe(e,this.storage)}put(e,t){return this._throwIfRoot("put"),new Je($e(this._delegate,e,t),this)}putString(e,t=$.RAW,r){this._throwIfRoot("putString");var s=X(t,e);const n=Object.assign({},r);return null==n.contentType&&null!=s.contentType&&(n.contentType=s.contentType),new Je(new xe(this._delegate,new Y(s.data,!0),n),this)}listAll(){return De(b(this._delegate)).then(e=>new Ye(e,this.storage))}list(e){return t=this._delegate,e=e||void 0,Pe(t=b(t),e).then(e=>new Ye(e,this.storage));var t}getMetadata(){return Ge(this._delegate)}updateMetadata(e){return Le(b(this._delegate),e)}getDownloadURL(){return Be(b(this._delegate))}delete(){return this._throwIfRoot("delete"),Me(b(this._delegate))}_throwIfRoot(e){if(""===this._delegate._location.path)throw U(e)}}class et{constructor(e,t){this.app=e,this._delegate=t}get maxOperationRetryTime(){return this._delegate.maxOperationRetryTime}get maxUploadRetryTime(){return this._delegate.maxUploadRetryTime}ref(e){if(tt(e))throw C("ref() expected a child path but got a URL, use refFromURL instead.");return new Qe(Xe(this._delegate,e),this)}refFromURL(e){if(!tt(e))throw C("refFromURL() expected a full URL but got a child path, use ref() instead.");try{I.makeFromUrl(e,this._delegate.host)}catch(e){throw C("refFromUrl() expected a valid full URL but got an invalid one.")}return new Qe(Xe(this._delegate,e),this)}setMaxUploadRetryTime(e){this._delegate.maxUploadRetryTime=e}setMaxOperationRetryTime(e){this._delegate.maxOperationRetryTime=e}useEmulator(e,t,r={}){var s;[s,e,t,r={}]=[this._delegate,e,t,r],je(s,e,t,r)}}function tt(e){return/^[A-Za-z]+:\/\//.test(e)}function rt(e,{instanceIdentifier:t}){var r=e.getProvider("app-compat").getImmediate(),s=e.getProvider("storage").getImmediate({identifier:t});return new et(r,s)}r=n.default,s={TaskState:Ae,TaskEvent:ke,StringFormat:$,Storage:et,Reference:Qe},r.INTERNAL.registerComponent(new v("storage-compat",rt,"PUBLIC").setServiceProps(s).setMultipleInstances(!0)),r.registerVersion("@firebase/storage-compat","0.3.1")}).apply(this,arguments)}catch(e){throw console.error(e),new Error("Cannot instantiate firebase-storage-compat.js - be sure to load firebase-app.js first.")}}); //# sourceMappingURL=firebase-storage-compat.js.map