centrifuge/dist/centrifuge.protobuf.js

JavaScript client SDK for bidirectional communication with Centrifugo and Centrifuge-based server from browser, NodeJS and React Native

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T){this._inflight=!1,this._failUnauthorized();return}this.emit("error",{type:"subscribeData",channel:this.channel,error:{code:12,message:i?.toString()||""}}),this._inflight=!1,this._scheduleResubscribe()}_handleTokenResponse(i){if(!this._isSubscribing()){this._inflight=!1;return}if(!i){this._inflight=!1,this._failUnauthorized();return}this._token=i,this._getData?this._getDataAndSubscribe(i):this._sendSubscribe(i)}_handleTokenError(i){if(!this._isSubscribing()){this._inflight=!1;return}if(i instanceof T){this._inflight=!1,this._failUnauthorized();return}this.emit("error",{type:"subscribeToken",channel:this.channel,error:{code:8,message:i?.toString()||""}}),this._inflight=!1,this._scheduleResubscribe()}_sendSubscribe(i){if(!this._isTransportOpen())return this._inflight=!1,null;let n=this._buildSubscribeCommand(i);return this._centrifuge._call(n).then(o=>{this._inflight=!1;let 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this._isSubscribed()?(o&&(t=this._centrifuge._unsubscribe(this)),this._clearSubscribedState()):this._isSubscribing()&&(this._inflight&&o&&(t=this._centrifuge._unsubscribe(this)),this._clearSubscribingState()),this._inflight=!1,this._setState("unsubscribed")&&this.emit("unsubscribed",{channel:this.channel,code:i,reason:n}),this._rejectPromises({code:7,message:this.state}),t}_handlePublication(i){if(this._delta&&this._delta_negotiated){let{newData:o,newPrevValue:t}=this._centrifuge._codec.applyDeltaIfNeeded(i,this._prevValue);i.data=o,this._prevValue=t}let n=this._centrifuge._getPublicationContext(this.channel,i);this.emit("publication",n),i.offset&&(this._offset=i.offset)}_handleJoin(i){let n=this._centrifuge._getJoinLeaveContext(i.info);this.emit("join",{channel:this.channel,info:n})}_handleLeave(i){let n=this._centrifuge._getJoinLeaveContext(i.info);this.emit("leave",{channel:this.channel,info:n})}_resolvePromises(){for(let i in this._promises)this._promises.hasOwnProperty(i)&&(this._promises[i].timeout&&clearTimeout(this._promises[i].timeout),this._promises[i].resolve(),delete this._promises[i])}_rejectPromises(i){for(let n in this._promises)this._promises.hasOwnProperty(n)&&(this._promises[n].timeout&&clearTimeout(this._promises[n].timeout),this._promises[n].reject(i),delete this._promises[n])}_scheduleResubscribe(){if(!this._isSubscribing()){this._debug("not in subscribing state, skip resubscribe scheduling",this.channel);return}let i=this,n=this._getResubscribeDelay();this._resubscribeTimeout=setTimeout(function(){i._isSubscribing()&&i._subscribe()},n),this._debug("resubscribe scheduled after "+n,this.channel)}_subscribeError(i){if(this._isSubscribing())if(i.code<100||i.code===109||i.temporary===!0){i.code===109&&(this._token="");let n={channel:this.channel,type:"subscribe",error:i};this._centrifuge.state==="connected"&&this.emit("error",n),this._scheduleResubscribe()}else this._setUnsubscribed(i.code,i.message,!1)}_getResubscribeDelay(){let i=H(this._resubscribeAttempts,this._minResubscribeDelay,this._maxResubscribeDelay);return this._resubscribeAttempts++,i}_setOptions(i){if(i&&(i.since&&(this._offset=i.since.offset||0,this._epoch=i.since.epoch||"",this._recover=!0),i.data&&(this._data=i.data),i.getData&&(this._getData=i.getData),i.minResubscribeDelay!==void 0&&(this._minResubscribeDelay=i.minResubscribeDelay),i.maxResubscribeDelay!==void 0&&(this._maxResubscribeDelay=i.maxResubscribeDelay),i.token&&(this._token=i.token),i.getToken&&(this._getToken=i.getToken),i.positioned===!0&&(this._positioned=!0),i.recoverable===!0&&(this._recoverable=!0),i.joinLeave===!0&&(this._joinLeave=!0),i.delta)){if(i.delta!=="fossil")throw new Error("unsupported delta format");this._delta=i.delta}}_getOffset(){let i=this._offset;return i!==null?i:0}_getEpoch(){let i=this._epoch;return i!==null?i:""}_clearRefreshTimeout(){this._refreshTimeout!==null&&(clearTimeout(this._refreshTimeout),this._refreshTimeout=null)}_clearResubscribeTimeout(){this._resubscribeTimeout!==null&&(clearTimeout(this._resubscribeTimeout),this._resubscribeTimeout=null)}_getSubscriptionToken(){this._debug("get subscription token for channel",this.channel);let i={channel:this.channel},n=this._getToken;return n===null?(this.emit("error",{type:"configuration",channel:this.channel,error:{code:12,message:"provide a function to get channel subscription token"}}),Promise.reject(new T(""))):n(i)}_refresh(){this._clearRefreshTimeout();let i=this;this._getSubscriptionToken().then(function(n){if(!i._isSubscribed())return;if(!n){i._failUnauthorized();return}i._token=n;let t={sub_refresh:{channel:i.channel,token:n}};i._centrifuge._call(t).then(e=>{let l=e.reply.sub_refresh;i._refreshResponse(l),e.next&&e.next()},e=>{i._refreshError(e.error),e.next&&e.next()})}).catch(function(n){if(n instanceof T){i._failUnauthorized();return}i.emit("error",{type:"refreshToken",channel:i.channel,error:{code:9,message:n!==void 0?n.toString():""}}),i._refreshTimeout=setTimeout(()=>i._refresh(),i._getRefreshRetryDelay())})}_refreshResponse(i){this._isSubscribed()&&(this._debug("subscription token refreshed, channel",this.channel),this._clearRefreshTimeout(),i.expires===!0&&(this._refreshTimeout=setTimeout(()=>this._refresh(),J(i.ttl))))}_refreshError(i){this._isSubscribed()&&(i.code<100||i.temporary===!0?(this.emit("error",{type:"refresh",channel:this.channel,error:i}),this._refreshTimeout=setTimeout(()=>this._refresh(),this._getRefreshRetryDelay())):this._setUnsubscribed(i.code,i.message,!0))}_getRefreshRetryDelay(){return H(0,1e4,2e4)}_failUnauthorized(){this._setUnsubscribed(1,"unauthorized",!0)}};var ot=class{constructor(r,i){this.endpoint=r,this.options=i,this._transport=null}name(){return"sockjs"}subName(){return"sockjs-"+this._transport.transport}emulation(){return!1}supported(){return this.options.sockjs!==null}initialize(r,i){this._transport=new this.options.sockjs(this.endpoint,null,this.options.sockjsOptions),this._transport.onopen=()=>{i.onOpen()},this._transport.onerror=n=>{i.onError(n)},this._transport.onclose=n=>{i.onClose(n)},this._transport.onmessage=n=>{i.onMessage(n.data)}}close(){this._transport.close()}send(r){this._transport.send(r)}};var V=class{constructor(r,i){this.endpoint=r,this.options=i,this._transport=null}name(){return"websocket"}subName(){return"websocket"}emulation(){return!1}supported(){return this.options.websocket!==void 0&&this.options.websocket!==null}initialize(r,i){let n="";r==="protobuf"&&(n="centrifuge-protobuf"),n!==""?this._transport=new this.options.websocket(this.endpoint,n):this._transport=new this.options.websocket(this.endpoint),r==="protobuf"&&(this._transport.binaryType="arraybuffer"),this._transport.onopen=()=>{i.onOpen()},this._transport.onerror=o=>{i.onError(o)},this._transport.onclose=o=>{i.onClose(o)},this._transport.onmessage=o=>{i.onMessage(o.data)}}close(){this._transport.close()}send(r){this._transport.send(r)}};var rt=class{constructor(r,i){this.endpoint=r,this.options=i,this._abortController=null,this._utf8decoder=new TextDecoder,this._protocol="json"}name(){return"http_stream"}subName(){return"http_stream"}emulation(){return!0}_handleErrors(r){if(!r.ok)throw new Error(r.status);return r}_fetchEventTarget(r,i,n){let o=new EventTarget,t=r.options.fetch;return t(i,n).then(r._handleErrors).then(e=>{o.dispatchEvent(new Event("open"));let l="",c=0,u=new Uint8Array,p=e.body.getReader();return new r.options.readableStream({start(y){function O(){return p.read().then(({done:g,value:k})=>{if(g){o.dispatchEvent(new Event("close")),y.close();return}try{if(r._protocol==="json")for(l+=r._utf8decoder.decode(k);c<l.length;)if(l[c]===`
`){let x=l.substring(0,c);o.dispatchEvent(new MessageEvent("message",{data:x})),l=l.substring(c+1),c=0}else++c;else{let x=new Uint8Array(u.length+k.length);for(x.set(u),x.set(k,u.length),u=x;;){let R=r.options.decoder.decodeReply(u);if(R.ok){let S=u.slice(0,R.pos);o.dispatchEvent(new MessageEvent("message",{data:S})),u=u.slice(R.pos);continue}break}}}catch(x){o.dispatchEvent(new Event("error",{detail:x})),o.dispatchEvent(new Event("close")),y.close();return}O()}).catch(function(g){o.dispatchEvent(new Event("error",{detail:g})),o.dispatchEvent(new Event("close")),y.close()})}return O()}})}).catch(e=>{o.dispatchEvent(new Event("error",{detail:e})),o.dispatchEvent(new Event("close"))}),o}supported(){return this.options.fetch!==null&&this.options.readableStream!==null&&typeof TextDecoder<"u"&&typeof AbortController<"u"&&typeof EventTarget<"u"&&typeof Event<"u"&&typeof MessageEvent<"u"&&typeof Error<"u"}initialize(r,i,n){this._protocol=r,this._abortController=new AbortController;let o,t;r==="json"?(o={Accept:"application/json","Content-Type":"application/json"},t=n):(o={Accept:"application/octet-stream","Content-Type":"application/octet-stream"},t=n);let e={method:"POST",headers:o,body:t,mode:"cors",credentials:"same-origin",signal:this._abortController.signal},l=this._fetchEventTarget(this,this.endpoint,e);l.addEventListener("open",()=>{i.onOpen()}),l.addEventListener("error",c=>{this._abortController.abort(),i.onError(c)}),l.addEventListener("close",()=>{this._abortController.abort(),i.onClose({code:4,reason:"connection closed"})}),l.addEventListener("message",c=>{i.onMessage(c.data)})}close(){this._abortController.abort()}send(r,i,n){let o,t,e={session:i,node:n,data:r};this._protocol==="json"?(o={"Content-Type":"application/json"},t=JSON.stringify(e)):(o={"Content-Type":"application/octet-stream"},t=this.options.encoder.encodeEmulationRequest(e));let l=this.options.fetch,c={method:"POST",headers:o,body:t,mode:"cors",credentials:"same-origin"};l(this.options.emulationEndpoint,c)}};var ct=class{constructor(r,i){this.endpoint=r,this.options=i,this._protocol="json",this._transport=null,this._onClose=null}name(){return"sse"}subName(){return"sse"}emulation(){return!0}supported(){return this.options.eventsource!==null&&this.options.fetch!==null}initialize(r,i,n){let o;globalThis&&globalThis.document&&globalThis.document.baseURI?o=new URL(this.endpoint,globalThis.document.baseURI):o=new URL(this.endpoint),o.searchParams.append("cf_connect",n);let t={},e=new this.options.eventsource(o.toString(),t);this._transport=e;let l=this;e.onopen=function(){i.onOpen()},e.onerror=function(c){e.close(),i.onError(c),i.onClose({code:4,reason:"connection closed"})},e.onmessage=function(c){i.onMessage(c.data)},l._onClose=function(){i.onClose({code:4,reason:"connection closed"})}}close(){this._transport.close(),this._onClose!==null&&this._onClose()}send(r,i,n){let o={session:i,node:n,data:r},t={"Content-Type":"application/json"},e=JSON.stringify(o),l=this.options.fetch,c={method:"POST",headers:t,body:e,mode:"cors",credentials:"same-origin"};l(this.options.emulationEndpoint,c)}};var st=class{constructor(r,i){this.endpoint=r,this.options=i,this._transport=null,this._stream=null,this._writer=null,this._utf8decoder=new TextDecoder,this._protocol="json"}name(){return"webtransport"}subName(){return"webtransport"}emulation(){return!1}supported(){return this.options.webtransport!==void 0&&this.options.webtransport!==null}async initialize(r,i){let n;globalThis&&globalThis.document&&globalThis.document.baseURI?n=new URL(this.endpoint,globalThis.document.baseURI):n=new URL(this.endpoint),r==="protobuf"&&n.searchParams.append("cf_protocol","protobuf"),this._protocol=r;let o=new EventTarget;this._transport=new this.options.webtransport(n.toString()),this._transport.closed.then(()=>{i.onClose({code:4,reason:"connection closed"})}).catch(()=>{i.onClose({code:4,reason:"connection closed"})});try{await this._transport.ready}catch{this.close();return}let t;try{t=await this._transport.createBidirectionalStream()}catch{this.close();return}this._stream=t,this._writer=this._stream.writable.getWriter(),o.addEventListener("close",()=>{i.onClose({code:4,reason:"connection closed"})}),o.addEventListener("message",e=>{i.onMessage(e.data)}),this._startReading(o),i.onOpen()}async _startReading(r){let i=this._stream.readable.getReader(),n="",o=0,t=new Uint8Array;try{for(;;){let{done:e,value:l}=await i.read();if(l.length>0)if(this._protocol==="json")for(n+=this._utf8decoder.decode(l);o<n.length;)if(n[o]===`
`){let c=n.substring(0,o);r.dispatchEvent(new MessageEvent("message",{data:c})),n=n.substring(o+1),o=0}else++o;else{let c=new Uint8Array(t.length+l.length);for(c.set(t),c.set(l,t.length),t=c;;){let u=this.options.decoder.decodeReply(t);if(u.ok){let p=t.slice(0,u.pos);r.dispatchEvent(new MessageEvent("message",{data:p})),t=t.slice(u.pos);continue}break}}if(e)break}}catch{r.dispatchEvent(new Event("close"))}}async close(){try{this._writer&&await this._writer.close(),this._transport.close()}catch{}}async send(r){let i;this._protocol==="json"?i=new TextEncoder().encode(r+`
`):i=r;try{await this._writer.write(i)}catch{this.close()}}};var pn=[-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,0,1,2,3,4,5,6,7,8,9,-1,-1,-1,-1,-1,-1,-1,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,-1,-1,-1,-1,36,-1,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,-1,-1,-1,63,-1],kt=class{constructor(r){this.a=r,this.pos=0}haveBytes(){return this.pos<this.a.length}getByte(){let r=this.a[this.pos];if(this.pos++,this.pos>this.a.length)throw new RangeError("out of bounds");return r}getChar(){return String.fromCharCode(this.getByte())}getInt(){let r=0,i;for(;this.haveBytes()&&(i=pn[127&this.getByte()])>=0;)r=(r<<6)+i;return this.pos--,r>>>0}},Ot=class{constructor(){this.a=[]}toByteArray(r){return Array.isArray(r)?this.a:new Uint8Array(this.a)}putArray(r,i,n){for(let o=i;o<n;o++)this.a.push(r[o])}};function dn(s){let r=0,i=0,n=0,o=0,t=0,e=s.length;for(;e>=16;)r=r+s[t+0]|0,i=i+s[t+1]|0,n=n+s[t+2]|0,o=o+s[t+3]|0,r=r+s[t+4]|0,i=i+s[t+5]|0,n=n+s[t+6]|0,o=o+s[t+7]|0,r=r+s[t+8]|0,i=i+s[t+9]|0,n=n+s[t+10]|0,o=o+s[t+11]|0,r=r+s[t+12]|0,i=i+s[t+13]|0,n=n+s[t+14]|0,o=o+s[t+15]|0,t+=16,e-=16;for(;e>=4;)r=r+s[t+0]|0,i=i+s[t+1]|0,n=n+s[t+2]|0,o=o+s[t+3]|0,t+=4,e-=4;switch(o=((o+(n<<8)|0)+(i<<16)|0)+(r<<24)|0,e){case 3:o=o+(s[t+2]<<8)|0;case 2:o=o+(s[t+1]<<16)|0;case 1:o=o+(s[t+0]<<24)|0}return o>>>0}function lt(s,r){let i=0,n=new kt(r),o=s.length,t=r.length,e=n.getInt();if(n.getChar()!==`
`)throw new Error("size integer not terminated by '\\n'");let l=new Ot;for(;n.haveBytes();){let c=n.getInt(),u;switch(n.getChar()){case"@":if(u=n.getInt(),n.haveBytes()&&n.getChar()!==",")throw new Error("copy command not terminated by ','");if(i+=c,i>e)throw new Error("copy exceeds output file size");if(u+c>o)throw new Error("copy extends past end of input");l.putArray(s,u,u+c);break;case":":if(i+=c,i>e)throw new Error("insert command gives an output larger than predicted");if(c>t)throw new Error("insert count exceeds size of delta");l.putArray(n.a,n.pos,n.pos+c),n.pos+=c;break;case";":{let p=l.toByteArray(s);if(c!==dn(p))throw new Error("bad checksum");if(i!==e)throw new Error("generated size does not match predicted size");return p}default:throw new Error("unknown delta operator")}}throw new Error("unterminated delta")}var G=class{name(){return"json"}encodeCommands(r){return r.map(i=>JSON.stringify(i)).join(`
`)}decodeReplies(r){return r.trim().split(`
`).map(i=>JSON.parse(i))}applyDeltaIfNeeded(r,i){let n,o;if(r.delta){let t=lt(i,new TextEncoder().encode(r.data));n=JSON.parse(new TextDecoder().decode(t)),o=t}else n=JSON.parse(r.data),o=new TextEncoder().encode(r.data);return{newData:n,newPrevValue:o}}};var Qt=Q(gt()),bn={headers:{},token:"",getToken:null,data:null,getData:null,debug:!1,name:"js",version:"",fetch:null,readableStream:null,websocket:null,eventsource:null,sockjs:null,sockjsOptions:{},emulationEndpoint:"/emulation",minReconnectDelay:500,maxReconnectDelay:2e4,timeout:5e3,maxServerPingDelay:1e4,networkEventTarget:null},T=class extends Erro