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i=="string")try{i=JSON.parse(i)}catch{i={}}this._debug("signal()"),i.renegotiate&&this.initiator&&(this._debug("got request to renegotiate"),this._needsNegotiation()),i.transceiverRequest&&this.initiator&&(this._debug("got request for transceiver"),this.addTransceiver(i.transceiverRequest.kind,i.transceiverRequest.init)),i.candidate&&(this._pc.remoteDescription&&this._pc.remoteDescription.type?this._addIceCandidate(i.candidate):this._pendingCandidates.push(i.candidate)),i.sdp&&this._pc.setRemoteDescription(new this._wrtc.RTCSessionDescription(i)).then(()=>{this.destroyed||(this._pendingCandidates.forEach(c=>{this._addIceCandidate(c)}),this._pendingCandidates=[],this._pc.remoteDescription.type==="offer"&&this._createAnswer())}).catch(c=>{this.destroy(o(c,"ERR_SET_REMOTE_DESCRIPTION"))}),i.sdp||i.candidate||i.renegotiate||i.transceiverRequest||this.destroy(o(new Error("signal() called with invalid signal data"),"ERR_SIGNALING"))}}_addIceCandidate(i){let c=new this._wrtc.RTCIceCandidate(i);this._pc.addIceCandidate(c).catch(u=>{!c.address||c.address.endsWith(".local")?s("Ignoring unsupported ICE candidate."):this.destroy(o(u,"ERR_ADD_ICE_CANDIDATE"))})}send(i){if(!this.destroying){if(this.destroyed)throw o(new Error("cannot send after peer is destroyed"),"ERR_DESTROYED");this._channel.send(i)}}addTransceiver(i,c){if(!this.destroying){if(this.destroyed)throw o(new Error("cannot addTransceiver after peer is destroyed"),"ERR_DESTROYED");if(this._debug("addTransceiver()"),this.initiator)try{this._pc.addTransceiver(i,c),this._needsNegotiation()}catch(u){this.destroy(o(u,"ERR_ADD_TRANSCEIVER"))}else this.emit("signal",{type:"transceiverRequest",transceiverRequest:{kind:i,init:c}})}}addStream(i){if(!this.destroying){if(this.destroyed)throw o(new Error("cannot addStream after peer is destroyed"),"ERR_DESTROYED");this._debug("addStream()"),i.getTracks().forEach(c=>{this.addTrack(c,i)})}}addTrack(i,c){if(this.destroying)return;if(this.destroyed)throw o(new Error("cannot addTrack after peer is destroyed"),"ERR_DESTROYED");this._debug("addTrack()");let u=this._senderMap.get(i)||new Map,g=u.get(c);if(!g)g=this._pc.addTrack(i,c),u.set(c,g),this._senderMap.set(i,u),this._needsNegotiation();else throw g.removed?o(new Error("Track has been removed. You should enable/disable tracks that you want to re-add."),"ERR_SENDER_REMOVED"):o(new Error("Track has already been added to that stream."),"ERR_SENDER_ALREADY_ADDED")}replaceTrack(i,c,u){if(this.destroying)return;if(this.destroyed)throw o(new Error("cannot replaceTrack after peer is destroyed"),"ERR_DESTROYED");this._debug("replaceTrack()");let g=this._senderMap.get(i),h=g?g.get(u):null;if(!h)throw o(new Error("Cannot replace track that was never added."),"ERR_TRACK_NOT_ADDED");c&&this._senderMap.set(c,g),h.replaceTrack==null?this.destroy(o(new Error("replaceTrack is not supported in this browser"),"ERR_UNSUPPORTED_REPLACETRACK")):h.replaceTrack(c)}removeTrack(i,c){if(this.destroying)return;if(this.destroyed)throw o(new Error("cannot removeTrack after peer is destroyed"),"ERR_DESTROYED");this._debug("removeSender()");let u=this._senderMap.get(i),g=u?u.get(c):null;if(!g)throw o(new Error("Cannot remove track that was never added."),"ERR_TRACK_NOT_ADDED");try{g.removed=!0,this._pc.removeTrack(g)}catch(h){h.name==="NS_ERROR_UNEXPECTED"?this._sendersAwaitingStable.push(g):this.destroy(o(h,"ERR_REMOVE_TRACK"))}this._needsNegotiation()}removeStream(i){if(!this.destroying){if(this.destroyed)throw o(new Error("cannot removeStream after peer is destroyed"),"ERR_DESTROYED");this._debug("removeSenders()"),i.getTracks().forEach(c=>{this.removeTrack(c,i)})}}_needsNegotiation(){this._debug("_needsNegotiation"),this._batchedNegotiation||(this._batchedNegotiation=!0,d(()=>{this._batchedNegotiation=!1,this.initiator||!this._firstNegotiation?(this._debug("starting batched negotiation"),this.negotiate()):this._debug("non-initiator initial negotiation request discarded"),this._firstNegotiation=!1}))}negotiate(){if(!this.destroying){if(this.destroyed)throw o(new Error("cannot negotiate after peer is destroyed"),"ERR_DESTROYED");this.initiator?this._isNegotiating?(this._queuedNegotiation=!0,this._debug("already negotiating, 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this.destroy(o(new Error("Data channel event is missing `channel` property"),"ERR_DATA_CHANNEL"));this._channel=i.channel,this._channel.binaryType="arraybuffer",typeof this._channel.bufferedAmountLowThreshold=="number"&&(this._channel.bufferedAmountLowThreshold=C),this.channelName=this._channel.label,this._channel.onmessage=u=>{this._onChannelMessage(u)},this._channel.onbufferedamountlow=()=>{this._onChannelBufferedAmountLow()},this._channel.onopen=()=>{this._onChannelOpen()},this._channel.onclose=()=>{this._onChannelClose()},this._channel.onerror=u=>{let g=u.error instanceof Error?u.error:new Error(`Datachannel error: ${u.message} ${u.filename}:${u.lineno}:${u.colno}`);this.destroy(o(g,"ERR_DATA_CHANNEL"))};let c=!1;this._closingInterval=setInterval(()=>{this._channel&&this._channel.readyState==="closing"?(c&&this._onChannelClose(),c=!0):c=!1},5e3)}_read(){}_write(i,c,u){if(this.destroyed)return u(o(new Error("cannot write after peer is 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u=this._pc.localDescription||i;this._debug("signal"),this.emit("signal",{type:u.type,sdp:u.sdp})}};this._pc.setLocalDescription(i).then(()=>{this._debug("createOffer success"),this.destroyed||(this.trickle||this._iceComplete?c():this.once("_iceComplete",c))}).catch(u=>{this.destroy(o(u,"ERR_SET_LOCAL_DESCRIPTION"))})}).catch(i=>{this.destroy(o(i,"ERR_CREATE_OFFER"))})}_requestMissingTransceivers(){this._pc.getTransceivers&&this._pc.getTransceivers().forEach(i=>{i.mid||!i.sender.track||i.requested||(i.requested=!0,this.addTransceiver(i.sender.track.kind))})}_createAnswer(){this.destroyed||this._pc.createAnswer(this.answerOptions).then(i=>{if(this.destroyed)return;this.trickle||this.allowHalfTrickle||(i.sdp=p(i.sdp)),i.sdp=this.sdpTransform(i.sdp);let c=()=>{if(!this.destroyed){let u=this._pc.localDescription||i;this._debug("signal"),this.emit("signal",{type:u.type,sdp:u.sdp}),this.initiator||this._requestMissingTransceivers()}};this._pc.setLocalDescription(i).then(()=>{this.destroyed||(this.trickle||this._iceComplete?c():this.once("_iceComplete",c))}).catch(u=>{this.destroy(o(u,"ERR_SET_LOCAL_DESCRIPTION"))})}).catch(i=>{this.destroy(o(i,"ERR_CREATE_ANSWER"))})}_onConnectionStateChange(){this.destroyed||this._pc.connectionState==="failed"&&this.destroy(o(new Error("Connection failed."),"ERR_CONNECTION_FAILURE"))}_onIceStateChange(){if(this.destroyed)return;let i=this._pc.iceConnectionState,c=this._pc.iceGatheringState;this._debug("iceStateChange (connection: %s) (gathering: %s)",i,c),this.emit("iceStateChange",i,c),(i==="connected"||i==="completed")&&(this._pcReady=!0,this._maybeReady()),i==="failed"&&this.destroy(o(new Error("Ice connection failed."),"ERR_ICE_CONNECTION_FAILURE")),i==="closed"&&this.destroy(o(new Error("Ice connection 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g={},h={},_={},x=!1;u.forEach(y=>{(y.type==="remotecandidate"||y.type==="remote-candidate")&&(g[y.id]=y),(y.type==="localcandidate"||y.type==="local-candidate")&&(h[y.id]=y),(y.type==="candidatepair"||y.type==="candidate-pair")&&(_[y.id]=y)});let f=y=>{x=!0;let N=h[y.localCandidateId];N&&(N.ip||N.address)?(this.localAddress=N.ip||N.address,this.localPort=+N.port):N&&N.ipAddress?(this.localAddress=N.ipAddress,this.localPort=+N.portNumber):typeof y.googLocalAddress=="string"&&(N=y.googLocalAddress.split(":"),this.localAddress=N[0],this.localPort=+N[1]),this.localAddress&&(this.localFamily=this.localAddress.includes(":")?"IPv6":"IPv4");let M=g[y.remoteCandidateId];M&&(M.ip||M.address)?(this.remoteAddress=M.ip||M.address,this.remotePort=+M.port):M&&M.ipAddress?(this.remoteAddress=M.ipAddress,this.remotePort=+M.portNumber):typeof y.googRemoteAddress=="string"&&(M=y.googRemoteAddress.split(":"),this.remoteAddress=M[0],this.remotePort=+M[1]),this.remoteAddress&&(this.remoteFamily=this.remoteAddress.includes(":")?"IPv6":"IPv4"),this._debug("connect local: %s:%s remote: %s:%s",this.localAddress,this.localPort,this.remoteAddress,this.remotePort)};if(u.forEach(y=>{y.type==="transport"&&y.selectedCandidatePairId&&f(_[y.selectedCandidatePairId]),(y.type==="googCandidatePair"&&y.googActiveConnection==="true"||(y.type==="candidatepair"||y.type==="candidate-pair")&&y.selected)&&f(y)}),!x&&(!Object.keys(_).length||Object.keys(h).length))return void setTimeout(i,100);if(this._connecting=!1,this._connected=!0,this._chunk){try{this.send(this._chunk)}catch(N){return this.destroy(o(N,"ERR_DATA_CHANNEL"))}this._chunk=null,this._debug('sent chunk from "write before connect"');let y=this._cb;this._cb=null,y(null)}typeof 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Ft.default({initiator:I,...A.provider.peerOpts}),this.peer.on("signal",p=>{this.glareToken===void 0&&(this.glareToken=Date.now()+Math.random()),it(D,A,{to:E,from:A.peerId,type:"signal",token:this.glareToken,signal:p})}),this.peer.on("connect",()=>{ne("connected to ",oe,E),this.connected=!0;let s=A.provider.doc,w=A.awareness,k=Q();re(k,ve),ze(k,s),Qe(this,k);let n=w.getStates();if(n.size>0){let l=Q();re(l,Ne),de(l,xe(w,Array.from(n.keys()))),Qe(this,l)}}),this.peer.on("close",()=>{this.connected=!1,this.closed=!0,A.webrtcConns.has(this.remotePeerId)&&(A.webrtcConns.delete(this.remotePeerId),A.provider.emit("peers",[{removed:[this.remotePeerId],added:[],webrtcPeers:Array.from(A.webrtcConns.keys()),bcPeers:Array.from(A.bcConns)}])),qt(A),this.peer.destroy(),ne("closed connection to ",oe,E),et(A)}),this.peer.on("error",p=>{ne("Error in connection to ",oe,E,": ",p),et(A)}),this.peer.on("data",p=>{let s=tr(this,p);s!==null&&Qe(this,s)})}destroy(){this.peer.destroy()}},fe=(O,D)=>Je(D,O.key).then(I=>O.mux(()=>Ct(O.name,I))),Mt=(O,D)=>{O.bcconnected&&fe(O,D),rr(O,D)},et=O=>{je.forEach(D=>{D.connected&&(D.send({type:"subscribe",topics:[O.name]}),O.webrtcConns.size<O.provider.maxConns&&it(D,O,{type:"announce",from:O.peerId}))})},Vt=O=>{if(O.provider.filterBcConns){let D=Q();re(D,nt),Ve(D,1),Ae(D,O.peerId),fe(O,te(D))}},tt=class{constructor(D,I,E,A){this.peerId=yt(),this.doc=D,this.awareness=I.awareness,this.provider=I,this.synced=!1,this.name=E,this.key=A,this.webrtcConns=new Map,this.bcConns=new Set,this.mux=Rt(),this.bcconnected=!1,this._bcSubscriber=p=>Xe(new Uint8Array(p),A).then(s=>this.mux(()=>{let w=Wt(this,s,()=>{});w&&fe(this,te(w))})),this._docUpdateHandler=(p,s)=>{let w=Q();re(w,ve),kt(w,p),Mt(this,te(w))},this._awarenessUpdateHandler=({added:p,updated:s,removed:w},k)=>{let n=p.concat(s).concat(w),l=Q();re(l,Ne),de(l,xe(this.awareness,n)),Mt(this,te(l))},this._beforeUnloadHandler=()=>{Ge(this.awareness,[D.clientID],"window unload"),ge.forEach(p=>{p.disconnect()})},typeof window<"u"?window.addEventListener("beforeunload",this._beforeUnloadHandler):typeof process<"u"&&process.on("exit",this._beforeUnloadHandler)}connect(){this.doc.on("update",this._docUpdateHandler),this.awareness.on("update",this._awarenessUpdateHandler),et(this);let D=this.name;vt(D,this._bcSubscriber),this.bcconnected=!0,Vt(this);let I=Q();re(I,ve),ze(I,this.doc),fe(this,te(I));let E=Q();re(E,ve),At(E,this.doc),fe(this,te(E));let A=Q();re(A,jt),fe(this,te(A));let p=Q();re(p,Ne),de(p,xe(this.awareness,[this.doc.clientID])),fe(this,te(p))}disconnect(){je.forEach(I=>{I.connected&&I.send({type:"unsubscribe",topics:[this.name]})}),Ge(this.awareness,[this.doc.clientID],"disconnect");let D=Q();re(D,nt),Ve(D,0),Ae(D,this.peerId),fe(this,te(D)),Et(this.name,this._bcSubscriber),this.bcconnected=!1,this.doc.off("update",this._docUpdateHandler),this.awareness.off("update",this._awarenessUpdateHandler),this.webrtcConns.forEach(I=>I.destroy())}destroy(){this.disconnect(),typeof window<"u"?window.removeEventListener("beforeunload",this._beforeUnloadHandler):typeof process<"u"&&process.off("exit",this._beforeUnloadHandler)}},nr=(O,D,I,E)=>{if(ge.has(I))throw Ue(`A Yjs Doc connected to room "${I}" already exists!`);let A=new tt(O,D,I,E);return ge.set(I,A),A},it=(O,D,I)=>{D.key?Ut(I,D.key).then(E=>{O.send({type:"publish",topic:D.name,data:bt(E)})}):O.send({type:"publish",topic:D.name,data:I})},rt=class extends Fe{constructor(D){super(D),this.providers=new Set,this.on("connect",()=>{ne(`connected (${D})`);let I=Array.from(ge.keys());this.send({type:"subscribe",topics:I}),ge.forEach(E=>it(this,E,{type:"announce",from:E.peerId}))}),this.on("message",I=>{switch(I.type){case"publish":{let E=I.topic,A=ge.get(E);if(A==null||typeof E!="string")return;let p=s=>{let w=A.webrtcConns,k=A.peerId;if(s==null||s.from===k||s.to!==void 0&&s.to!==k||A.bcConns.has(s.from))return;let n=w.has(s.from)?()=>{}:()=>A.provider.emit("peers",[{removed:[],added:[s.from],webrtcPeers:Array.from(A.webrtcConns.keys()),bcPeers:Array.from(A.bcConns)}]);switch(s.type){case"announce":w.size<A.provider.maxConns&&(Ie(w,s.from,()=>new qe(this,!0,s.from,A)),n());break;case"signal":if(s.signal.type==="offer"){let l=w.get(s.from);if(l){let d=s.token,o=l.glareToken;if(o&&o>d){ne("offer rejected: ",s.from);return}l.glareToken=void 0}}if(s.signal.type==="answer"){ne("offer answered by: ",s.from);let l=w.get(s.from);l.glareToken=void 0}s.to===k&&(Ie(w,s.from,()=>new qe(this,!1,s.from,A)).peer.signal(s.signal),n());break}};A.key?typeof I.data=="string"&&Pt(_t(I.data),A.key).then(p):p(I.data)}}}),this.on("disconnect",()=>ne(`disconnect (${D})`))}},Ze=O=>{O.emit("status",[{connected:O.connected}])},Bt=class extends ot{constructor(D,I,{signaling:E=["wss://y-webrtc-eu.fly.dev"],password:A=null,awareness:p=new Lt(I),maxConns:s=20+ct(gt()*15),filterBcConns:w=!0,peerOpts:k={}}={}){super(),this.roomName=D,this.doc=I,this.filterBcConns=w,this.awareness=p,this.shouldConnect=!1,this.signalingUrls=E,this.signalingConns=[],this.maxConns=s,this.peerOpts=k,this.key=A?It(A,D):Le(null),this.room=null,this.key.then(n=>{this.room=nr(I,this,D,n),this.shouldConnect?this.room.connect():this.room.disconnect(),Ze(this)}),this.connect(),this.destroy=this.destroy.bind(this),I.on("destroy",this.destroy)}get connected(){return this.room!==null&&this.shouldConnect}connect(){this.shouldConnect=!0,this.signalingUrls.forEach(D=>{let I=Ie(je,D,()=>new rt(D));this.signalingConns.push(I),I.providers.add(this)}),this.room&&(this.room.connect(),Ze(this))}disconnect(){this.shouldConnect=!1,this.signalingConns.forEach(D=>{D.providers.delete(this),D.providers.size===0&&(D.destroy(),je.delete(D.url))}),this.room&&(this.room.disconnect(),Ze(this))}destroy(){this.doc.off("destroy",this.destroy),this.key.then(()=>{this.room.destroy(),ge.delete(this.roomName)}),super.destroy()}};export{tt as Room,rt as SignalingConn,qe as WebrtcConn,Bt as WebrtcProvider};