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s=M(t.fullServerUrl(),e.host,e._protocol),n=e.maxOperationRetryTime;const i=new se(s,"GET",ie(e,r),n);return i.errorHandler=le(t),i}function ce(e,t,r){const s=Object.assign({},r);return s.fullPath=e.path,s.size=t.size(),s.contentType||(s.contentType=(e=t,(t=null)&&t.contentType||e&&e.type()||"application/octet-stream")),s}function de(e,t,r,s,n){var i=t.bucketOnlyServerUrl();const o={"X-Goog-Upload-Protocol":"multipart"};var a=function(){let e="";for(let t=0;t<2;t++)e+=Math.random().toString().slice(2);return e}();o["Content-Type"]="multipart/related; boundary="+a;var h=ce(t,s,n),l="--"+a+"\r\nContent-Type: application/json; charset=utf-8\r\n\r\n"+ee(h,r)+"\r\n--"+a+"\r\nContent-Type: "+h.contentType+"\r\n\r\n",a="\r\n--"+a+"--";const u=W.getBlob(l,s,a);if(null===u)throw T();a={name:h.fullPath},h=M(i,e.host,e._protocol),i=e.maxUploadRetryTime;const c=new se(h,"POST",ie(e,r),i);return c.urlParams=a,c.headers=o,c.body=u.uploadData(),c.errorHandler=he(t),c}class 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r=null;try{r=e.getResponseHeader("X-Goog-Upload-Size-Received")}catch(e){ne(!1)}r||ne(!1);var s=Number(r);return ne(!isNaN(s)),new _e(s,n.size(),"final"===t)},s);return i.headers={"X-Goog-Upload-Command":"query"},i.errorHandler=he(t),i}function me(e,o,t,a,r,h,s,n){const l=new _e(0,0);if(s?(l.current=s.current,l.total=s.total):(l.current=0,l.total=a.size()),a.size()!==l.total)throw new b("server-file-wrong-size","Server recorded incorrect upload file size, please retry the upload.");var i=l.total-l.current;let u=i;0<r&&(u=Math.min(u,r));var c=l.current,d=c+u,i={"X-Goog-Upload-Command":u===i?"upload, finalize":"upload","X-Goog-Upload-Offset":`${l.current}`};const _=a.slice(c,d);if(null===_)throw T();d=o.maxUploadRetryTime;const p=new se(t,"POST",function(e,t){var r=pe(e,["active","final"]),s=l.current+u,n=a.size();let i;return i="final"===r?ie(o,h)(e,t):null,new _e(s,n,"final"===r,i)},d);return p.headers=i,p.body=_.uploadData(),p.progressCallback=n||null,p.errorHandler=he(e),p}const be={STATE_CHANGED:"state_changed"},ve={RUNNING:"running",PAUSED:"paused",SUCCESS:"success",CANCELED:"canceled",ERROR:"error"};function ye(e){switch(e){case"running":case"pausing":case"canceling":return ve.RUNNING;case"paused":return ve.PAUSED;case"success":return ve.SUCCESS;case"canceled":return ve.CANCELED;default:return ve.ERROR}}class we{constructor(e,t,r){var s;"function"==typeof e||null!=t||null!=r?(this.next=e,this.error=null!=t?t:void 0,this.complete=null!=r?r:void 0):(this.next=(s=e).next,this.error=s.error,this.complete=s.complete)}}function Te(t){return(...e)=>{Promise.resolve().then(()=>t(...e))}}class Re{constructor(){this.sent_=!1,this.xhr_=new XMLHttpRequest,this.errorCode_=u.NO_ERROR,this.sendPromise_=new Promise(e=>{this.xhr_.addEventListener("abort",()=>{this.errorCode_=u.ABORT,e()}),this.xhr_.addEventListener("error",()=>{this.errorCode_=u.NETWORK_ERROR,e()}),this.xhr_.addEventListener("load",()=>{e()})})}send(e,t,r,s){if(this.sent_)throw E("cannot .send() more than once");if(this.sent_=!0,this.xhr_.open(t,e,!0),void 0!==s)for(const n in s)s.hasOwnProperty(n)&&this.xhr_.setRequestHeader(n,s[n].toString());return void 0!==r?this.xhr_.send(r):this.xhr_.send(),this.sendPromise_}getErrorCode(){if(!this.sent_)throw E("cannot .getErrorCode() before sending");return this.errorCode_}getStatus(){if(!this.sent_)throw E("cannot .getStatus() before sending");try{return this.xhr_.status}catch(e){return-1}}getResponseText(){if(!this.sent_)throw E("cannot .getResponseText() before sending");return this.xhr_.responseText}abort(){this.xhr_.abort()}getResponseHeader(e){return this.xhr_.getResponseHeader(e)}addUploadProgressListener(e){null!=this.xhr_.upload&&this.xhr_.upload.addEventListener("progress",e)}removeUploadProgressListener(e){null!=this.xhr_.upload&&this.xhr_.upload.removeEventListener("progress",e)}}function ke(){return new Re}class Se{constructor(e,t,r=null){this._transferred=0,this._needToFetchStatus=!1,this._needToFetchMetadata=!1,this._observers=[],this._error=void 0,this._uploadUrl=void 0,this._request=void 0,this._chunkMultiplier=1,this._resolve=void 0,this._reject=void 0,this._ref=e,this._blob=t,this._metadata=r,this._mappings=Z(),this._resumable=this._shouldDoResumable(this._blob),this._state="running",this._errorHandler=e=>{this._request=void 0,this._chunkMultiplier=1,e._codeEquals("canceled")?(this._needToFetchStatus=!0,this.completeTransitions_()):(this._error=e,this._transition("error"))},this._metadataErrorHandler=e=>{this._request=void 0,e._codeEquals("canceled")?this.completeTransitions_():(this._error=e,this._transition("error"))},this._promise=new Promise((e,t)=>{this._resolve=e,this._reject=t,this._start()}),this._promise.then(null,()=>{})}_makeProgressCallback(){const t=this._transferred;return e=>this._updateProgress(t+e)}_shouldDoResumable(e){return 262144<e.size()}_start(){"running"===this._state&&void 0===this._request&&(this._resumable?void 0===this._uploadUrl?this._createResumable():this._needToFetchStatus?this._fetchStatus():this._needToFetchMetadata?this._fetchMetadata():this._continueUpload():this._oneShotUpload())}_resolveToken(r){Promise.all([this._ref.storage._getAuthToken(),this._ref.storage._getAppCheckToken()]).then(([e,t])=>{switch(this._state){case"running":r(e,t);break;case"canceling":this._transition("canceled");break;case"pausing":this._transition("paused")}})}_createResumable(){this._resolveToken((e,t)=>{var r=fe(this._ref.storage,this._ref._location,this._mappings,this._blob,this._metadata);const s=this._ref.storage._makeRequest(r,ke,e,t);this._request=s,s.getPromise().then(e=>{this._request=void 0,this._uploadUrl=e,this._needToFetchStatus=!1,this.completeTransitions_()},this._errorHandler)})}_fetchStatus(){const n=this._uploadUrl;this._resolveToken((e,t)=>{var r=ge(this._ref.storage,this._ref._location,n,this._blob);const s=this._ref.storage._makeRequest(r,ke,e,t);this._request=s,s.getPromise().then(e=>{this._request=void 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 _e(this._transferred,this._blob.size()),o=this._uploadUrl;this._resolveToken((e,t)=>{let r;try{r=me(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,ke,e,t);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(){262144*this._chunkMultiplier<33554432&&(this._chunkMultiplier*=2)}_fetchMetadata(){this._resolveToken((e,t)=>{var r=ue(this._ref.storage,this._ref._location,this._mappings);const s=this._ref.storage._makeRequest(r,ke,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=de(this._ref.storage,this._ref._location,this._mappings,this._blob,this._metadata);const s=this._ref.storage._makeRequest(r,ke,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();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=w(),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=ye(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 we(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(ye(this._state)){case ve.SUCCESS:Te(this._resolve.bind(null,this.snapshot))();break;case ve.CANCELED:case ve.ERROR:const t=this._reject;Te(t.bind(null,this._error))();break;default:e=!1}e&&(this._resolve=void 0,this._reject=void 0)}}_notifyObserver(e){switch(ye(this._state)){case ve.RUNNING:case ve.PAUSED:e.next&&Te(e.next.bind(e,this.snapshot))();break;case ve.SUCCESS:e.complete&&Te(e.complete.bind(e))();break;case ve.CANCELED:case ve.ERROR:default:e.error&&Te(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 Ce{constructor(e,t){this._service=e,t instanceof A?this._location=t:this._location=A.makeFromUrl(t,e.host)}toString(){return"gs://"+this._location.bucket+"/"+this._location.path}_newRef(e,t){return new Ce(e,t)}get root(){var e=new A(this._location.bucket,"");return this._newRef(this._service,e)}get bucket(){return this._location.bucket}get fullPath(){return this._location.path}get name(){return G(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 A(this._location.bucket,e);return new Ce(this._service,e)}_throwIfRoot(e){if(""===this._location.path)throw S(e)}}function Ee(e){const t={prefixes:[],items:[]};return async function e(t,r,s){const n={pageToken:s};const i=await Ae(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 Ae(e,t){null!=t&&"number"==typeof t.maxResults&&I("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<r.length&&(i.delimiter=r),s&&(i.pageToken=s),n&&(i.maxResults=n);var o=M(t.bucketOnlyServerUrl(),e.host,e._protocol),a=e.maxOperationRetryTime;const h=new se(o,"GET",oe(e,t.bucket),a);return h.urlParams=i,h.errorHandler=he(t),h}(e.storage,e._location,"/",r.pageToken,r.maxResults);return e.storage.makeRequestWithTokens(r,ke)}function xe(e,t){e._throwIfRoot("updateMetadata");var r=function(e,t,r,s){var n=M(t.fullServerUrl(),e.host,e._protocol),i=ee(r,s),o=e.maxOperationRetryTime;const a=new se(n,"PATCH",ie(e,s),o);return a.headers={"Content-Type":"application/json; charset=utf-8"},a.body=i,a.errorHandler=le(t),a}(e.storage,e._location,t,Z());return e.storage.makeRequestWithTokens(r,ke)}function Ue(e){e._throwIfRoot("getDownloadURL");var t=function(e,t,r){var s=M(t.fullServerUrl(),e.host,e._protocol),n=e.maxOperationRetryTime;const i=new se(s,"GET",ae(e,r),n);return i.errorHandler=le(t),i}(e.storage,e._location,Z());return e.storage.makeRequestWithTokens(t,ke).then(e=>{if(null===e)throw new b("no-download-url","The given file does not have any download URLs.");return e})}function Oe(e){e._throwIfRoot("deleteObject");var t=function(e,t){var r=M(t.fullServerUrl(),e.host,e._protocol),s=e.maxOperationRetryTime;const n=new se(r,"DELETE",function(e,t){},s);return n.successCodes=[200,204],n.errorHandler=le(t),n}(e.storage,e._location);return e.storage.makeRequestWithTokens(t,ke)}function Pe(e,t){var r,s=(r=e._location.path,s=t.split("/").filter(e=>0<e.length).join("/"),0===r.length?s:r+"/"+s),s=new A(e._location.bucket,s);return new Ce(e.storage,s)}function Ie(e,t){if(e instanceof De){var r=e;if(null==r._bucket)throw new b("no-default-bucket","No default bucket found. Did you set the '"+m+"' property when initializing the app?");r=new Ce(r,r._bucket);return null!=t?Ie(r,t):r}return void 0!==t?Pe(e,t):e}function Me(e,t){if(t&&/^[A-Za-z]+:\/\//.test(t)){if(e instanceof De)return r=e,s=t,new Ce(r,s);throw R("To use ref(service, url), the first argument must be a Storage instance.")}return Ie(e,t);var r,s}function Be(e,t){var r=null==t?void 0:t[m];return null==r?null:A.makeFromBucketSpec(r,e)}function Ne(e,t,r,s={}){e.host=`${t}:${r}`,e._protocol="http";var n=s["mockUserToken"];n&&(e._overrideAuthToken="string"==typeof n?n:function(e,t){if(e.uid)throw new Error('The "uid" field is no longer supported by mockUserToken. Please use "sub" instead for Firebase Auth User ID.');var r=t||"demo-project",s=e.iat||0,n=e.sub||e.user_id;if(!n)throw new Error("mockUserToken must contain 'sub' or 'user_id' field!");return n=Object.assign({iss:`https://securetoken.google.com/${r}`,aud:r,iat:s,exp:s+3600,auth_time:s,sub:n,user_id:n,firebase:{sign_in_provider:"custom",identities:{}}},e),[i(JSON.stringify({alg:"none",type:"JWT"})),i(JSON.stringify(n)),""].join(".")}(n,e.app.options.projectId))}class De{constructor(e,t,r,s,n){this.app=e,this._authProvider=t,this._appCheckProvider=r,this._url=s,this._firebaseVersion=n,this._bucket=null,this._host=g,this._protocol="https",this._appId=null,this._deleted=!1,this._maxOperationRetryTime=12e4,this._maxUploadRetryTime=6e5,this._requests=new Set,this._bucket=null!=s?A.makeFromBucketSpec(s,this._host):Be(this._host,this.app.options)}get host(){return this._host}set host(e){this._host=e,null!=this._url?this._bucket=A.makeFromBucketSpec(this._url,e):this._bucket=Be(e,this.app.options)}get maxUploadRetryTime(){return this._maxUploadRetryTime}set maxUploadRetryTime(e){I("time",0,Number.POSITIVE_INFINITY,e),this._maxUploadRetryTime=e}get maxOperationRetryTime(){return this._maxOperationRetryTime}set maxOperationRetryTime(e){I("time",0,Number.POSITIVE_INFINITY,e),this._maxOperationRetryTime=e}async _getAuthToken(){if(this._overrideAuthToken)return this._overrideAuthToken;const e=this._authProvider.getImmediate({optional:!0});if(e){var t=await e.getToken();if(null!==t)return t.accessToken}return null}async _getAppCheckToken(){const e=this._appCheckProvider.getImmediate({optional:!0});return e?(await e.getToken()).token:null}_delete(){return this._deleted||(this._deleted=!0,this._requests.forEach(e=>e.cancel()),this._requests.clear()),Promise.resolve()}_makeStorageReference(e){return new Ce(this,e)}_makeRequest(e,t,r,s){if(this._deleted)return new x(k());{const l=(n=e,i=this._appId,o=r,e=s,r=t,s=this._firebaseVersion,a=B(n.urlParams),h=n.url+a,a=Object.assign({},n.headers),t=a,(i=i)&&(t["X-Firebase-GMPID"]=i),i=a,null!==(o=o)&&0<o.length&&(i.Authorization="Firebase "+o),s=s,a["X-Firebase-Storage-Version"]="webjs/"+(null!=s?s:"AppManager"),s=a,null!==(e=e)&&(s["X-Firebase-AppCheck"]=e),new N(h,n.method,a,n.body,n.successCodes,n.additionalRetryCodes,n.handler,n.errorHandler,n.timeout,n.progressCallback,r));return this._requests.add(l),l.getPromise().then(()=>this._requests.delete(l),()=>this._requests.delete(l)),l}var n,i,o,a,h}async makeRequestWithTokens(e,t){var[r,s]=await Promise.all([this._getAuthToken(),this._getAppCheckToken()]);return this._makeRequest(e,t,r,s).getPromise()}}const Le="@firebase/storage";function qe(e,t,r){return e=l(e),t=t,r=r,(e=e)._throwIfRoot("uploadBytesResumable"),new Se(e,new W(t),r)}function Fe(e){return function(e){e._throwIfRoot("getMetadata");var t=ue(e.storage,e._location,Z());return e.storage.makeRequestWithTokens(t,ke)}(e=l(e))}function je(e,t){return Me(e=l(e),t)}function ze(e,{instanceIdentifier:t}){var r=e.getProvider("app").getImmediate(),s=e.getProvider("auth-internal"),n=e.getProvider("app-check-internal");return new De(r,s,n,t,Ze.SDK_VERSION)}Ze._registerComponent(new p("storage",ze,"PUBLIC").setMultipleInstances(!0)),Ze.registerVersion(Le,"0.8.4",""),Ze.registerVersion(Le,"0.8.4","esm2017");class He{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 $e{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 He(this._delegate.snapshot,this,this._ref)}then(t,e){return this._delegate.then(e=>{if(t)return t(new He(e,this,this._ref))},e)}on(e,t,r,s){let n=void 0;return t&&(n="function"==typeof t?e=>t(new He(e,this,this._ref)):{next:t.next?e=>t.next(new He(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 We{constructor(e,t){this._delegate=e,this._service=t}get prefixes(){return this._delegate.prefixes.map(e=>new Ve(e,this._service))}get items(){return this._delegate.items.map(e=>new Ve(e,this._service))}get nextPageToken(){return this._delegate.nextPageToken||null}}class Ve{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=Pe(this._delegate,e);return new Ve(t,this.storage)}get root(){return new Ve(this._delegate.root,this.storage)}get parent(){var e=this._delegate.parent;return null==e?null:new Ve(e,this.storage)}put(e,t){return this._throwIfRoot("put"),new $e(qe(this._delegate,e,t),this)}putString(e,t=q.RAW,r){this._throwIfRoot("putString");var s=j(t,e);const n=Object.assign({},r);return null==n.contentType&&null!=s.contentType&&(n.contentType=s.contentType),new $e(new Se(this._delegate,new W(s.data,!0),n),this)}listAll(){return Ee(l(this._delegate)).then(e=>new We(e,this.storage))}list(e){return t=this._delegate,e=e||void 0,Ae(t=l(t),e).then(e=>new We(e,this.storage));var t}getMetadata(){return Fe(this._delegate)}updateMetadata(e){return xe(l(this._delegate),e)}getDownloadURL(){return Ue(l(this._delegate))}delete(){return this._throwIfRoot("delete"),Oe(l(this._delegate))}_throwIfRoot(e){if(""===this._delegate._location.path)throw S(e)}}class Ge{constructor(e,t){this.app=e,this._delegate=t}get maxOperationRetryTime(){return this._delegate.maxOperationRetryTime}get maxUploadRetryTime(){return this._delegate.maxUploadRetryTime}ref(e){if(Xe(e))throw R("ref() expected a child path but got a URL, use refFromURL instead.");return new Ve(je(this._delegate,e),this)}refFromURL(e){if(!Xe(e))throw R("refFromURL() expected a full URL but got a child path, use ref() instead.");try{A.makeFromUrl(e,this._delegate.host)}catch(e){throw R("refFromUrl() expected a valid full URL but got an invalid one.")}return new Ve(je(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],Ne(s,e,t,r)}}function Xe(e){return/^[A-Za-z]+:\/\//.test(e)}function Ke(e,{instanceIdentifier:t}){var r=e.getProvider("app-compat").getImmediate(),s=e.getProvider("storage").getImmediate({identifier:t});return new Ge(r,s)}d=t.default,_={TaskState:ve,TaskEvent:be,StringFormat:q,Storage:Ge,Reference:Ve},d.INTERNAL.registerComponent(new p("storage-compat",Ke,"PUBLIC").setServiceProps(_).setMultipleInstances(!0)),d.registerVersion("@firebase/storage-compat","0.1.4")}).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.")}});
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