1 line
23 KiB
JavaScript
1 line
23 KiB
JavaScript
!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t():"function"==typeof define&&define.amd?define([],t):"object"==typeof exports?exports.Phoenix=t():e.Phoenix=t()}(this,(function(){return function(e){var t={};function n(i){if(t[i])return t[i].exports;var o=t[i]={i:i,l:!1,exports:{}};return e[i].call(o.exports,o,o.exports,n),o.l=!0,o.exports}return n.m=e,n.c=t,n.d=function(e,t,i){n.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:i})},n.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},n.t=function(e,t){if(1&t&&(e=n(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var i=Object.create(null);if(n.r(i),Object.defineProperty(i,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var o in e)n.d(i,o,function(t){return e[t]}.bind(null,o));return i},n.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return n.d(t,"a",t),t},n.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},n.p="",n(n.s=0)}([function(e,t,n){(function(t){e.exports=t.Phoenix=n(2)}).call(this,n(1))},function(e,t){var n;n=function(){return this}();try{n=n||new Function("return this")()}catch(e){"object"==typeof window&&(n=window)}e.exports=n},function(e,t,n){"use strict";function i(e){return function(e){if(Array.isArray(e))return a(e)}(e)||function(e){if("undefined"!=typeof Symbol&&Symbol.iterator in Object(e))return Array.from(e)}(e)||s(e)||function(){throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}()}function o(e){return(o="function"==typeof Symbol&&"symbol"==typeof Symbol.iterator?function(e){return typeof e}:function(e){return e&&"function"==typeof Symbol&&e.constructor===Symbol&&e!==Symbol.prototype?"symbol":typeof e})(e)}function r(e,t){return function(e){if(Array.isArray(e))return e}(e)||function(e,t){if("undefined"==typeof Symbol||!(Symbol.iterator in Object(e)))return;var n=[],i=!0,o=!1,r=void 0;try{for(var s,a=e[Symbol.iterator]();!(i=(s=a.next()).done)&&(n.push(s.value),!t||n.length!==t);i=!0);}catch(e){o=!0,r=e}finally{try{i||null==a.return||a.return()}finally{if(o)throw r}}return n}(e,t)||s(e,t)||function(){throw new TypeError("Invalid attempt to destructure non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")}()}function s(e,t){if(e){if("string"==typeof e)return a(e,t);var n=Object.prototype.toString.call(e).slice(8,-1);return"Object"===n&&e.constructor&&(n=e.constructor.name),"Map"===n||"Set"===n?Array.from(n):"Arguments"===n||/^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)?a(e,t):void 0}}function a(e,t){(null==t||t>e.length)&&(t=e.length);for(var n=0,i=new Array(t);n<t;n++)i[n]=e[n];return i}function c(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}function u(e,t){for(var n=0;n<t.length;n++){var i=t[n];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}function h(e,t,n){return t&&u(e.prototype,t),n&&u(e,n),e}n.r(t),n.d(t,"Channel",(function(){return A})),n.d(t,"Serializer",(function(){return M})),n.d(t,"Socket",(function(){return J})),n.d(t,"LongPoll",(function(){return H})),n.d(t,"Ajax",(function(){return D})),n.d(t,"Presence",(function(){return B}));var l="undefined"!=typeof self?self:null,f="undefined"!=typeof window?window:null,d=l||f||void 0,p=0,v=1,y=2,m=3,g="closed",k="errored",b="joined",j="joining",C="leaving",R="phx_close",S="phx_error",T="phx_join",w="phx_reply",E="phx_leave",x=[R,S,T,w,E],O="longpoll",P="websocket",L=function(e){if("function"==typeof e)return e;return function(){return e}},_=function(){function e(t,n,i,o){c(this,e),this.channel=t,this.event=n,this.payload=i||function(){return{}},this.receivedResp=null,this.timeout=o,this.timeoutTimer=null,this.recHooks=[],this.sent=!1}return h(e,[{key:"resend",value:function(e){this.timeout=e,this.reset(),this.send()}},{key:"send",value:function(){this.hasReceived("timeout")||(this.startTimeout(),this.sent=!0,this.channel.socket.push({topic:this.channel.topic,event:this.event,payload:this.payload(),ref:this.ref,join_ref:this.channel.joinRef()}))}},{key:"receive",value:function(e,t){return this.hasReceived(e)&&t(this.receivedResp.response),this.recHooks.push({status:e,callback:t}),this}},{key:"reset",value:function(){this.cancelRefEvent(),this.ref=null,this.refEvent=null,this.receivedResp=null,this.sent=!1}},{key:"matchReceive",value:function(e){var t=e.status,n=e.response;e.ref;this.recHooks.filter((function(e){return e.status===t})).forEach((function(e){return e.callback(n)}))}},{key:"cancelRefEvent",value:function(){this.refEvent&&this.channel.off(this.refEvent)}},{key:"cancelTimeout",value:function(){clearTimeout(this.timeoutTimer),this.timeoutTimer=null}},{key:"startTimeout",value:function(){var e=this;this.timeoutTimer&&this.cancelTimeout(),this.ref=this.channel.socket.makeRef(),this.refEvent=this.channel.replyEventName(this.ref),this.channel.on(this.refEvent,(function(t){e.cancelRefEvent(),e.cancelTimeout(),e.receivedResp=t,e.matchReceive(t)})),this.timeoutTimer=setTimeout((function(){e.trigger("timeout",{})}),this.timeout)}},{key:"hasReceived",value:function(e){return this.receivedResp&&this.receivedResp.status===e}},{key:"trigger",value:function(e,t){this.channel.trigger(this.refEvent,{status:e,response:t})}}]),e}(),A=function(){function e(t,n,i){var o=this;c(this,e),this.state=g,this.topic=t,this.params=L(n||{}),this.socket=i,this.bindings=[],this.bindingRef=0,this.timeout=this.socket.timeout,this.joinedOnce=!1,this.joinPush=new _(this,T,this.params,this.timeout),this.pushBuffer=[],this.stateChangeRefs=[],this.rejoinTimer=new I((function(){o.socket.isConnected()&&o.rejoin()}),this.socket.rejoinAfterMs),this.stateChangeRefs.push(this.socket.onError((function(){return o.rejoinTimer.reset()}))),this.stateChangeRefs.push(this.socket.onOpen((function(){o.rejoinTimer.reset(),o.isErrored()&&o.rejoin()}))),this.joinPush.receive("ok",(function(){o.state=b,o.rejoinTimer.reset(),o.pushBuffer.forEach((function(e){return e.send()})),o.pushBuffer=[]})),this.joinPush.receive("error",(function(){o.state=k,o.socket.isConnected()&&o.rejoinTimer.scheduleTimeout()})),this.onClose((function(){o.rejoinTimer.reset(),o.socket.hasLogger()&&o.socket.log("channel","close ".concat(o.topic," ").concat(o.joinRef())),o.state=g,o.socket.remove(o)})),this.onError((function(e){o.socket.hasLogger()&&o.socket.log("channel","error ".concat(o.topic),e),o.isJoining()&&o.joinPush.reset(),o.state=k,o.socket.isConnected()&&o.rejoinTimer.scheduleTimeout()})),this.joinPush.receive("timeout",(function(){o.socket.hasLogger()&&o.socket.log("channel","timeout ".concat(o.topic," (").concat(o.joinRef(),")"),o.joinPush.timeout),new _(o,E,L({}),o.timeout).send(),o.state=k,o.joinPush.reset(),o.socket.isConnected()&&o.rejoinTimer.scheduleTimeout()})),this.on(w,(function(e,t){o.trigger(o.replyEventName(t),e)}))}return h(e,[{key:"join",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.timeout;if(this.joinedOnce)throw new Error("tried to join multiple times. 'join' can only be called a single time per channel instance");return this.timeout=e,this.joinedOnce=!0,this.rejoin(),this.joinPush}},{key:"onClose",value:function(e){this.on(R,e)}},{key:"onError",value:function(e){return this.on(S,(function(t){return e(t)}))}},{key:"on",value:function(e,t){var n=this.bindingRef++;return this.bindings.push({event:e,ref:n,callback:t}),n}},{key:"off",value:function(e,t){this.bindings=this.bindings.filter((function(n){return!(n.event===e&&(void 0===t||t===n.ref))}))}},{key:"canPush",value:function(){return this.socket.isConnected()&&this.isJoined()}},{key:"push",value:function(e,t){var n=arguments.length>2&&void 0!==arguments[2]?arguments[2]:this.timeout;if(!this.joinedOnce)throw new Error("tried to push '".concat(e,"' to '").concat(this.topic,"' before joining. Use channel.join() before pushing events"));var i=new _(this,e,(function(){return t}),n);return this.canPush()?i.send():(i.startTimeout(),this.pushBuffer.push(i)),i}},{key:"leave",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.timeout;this.rejoinTimer.reset(),this.joinPush.cancelTimeout(),this.state=C;var n=function(){e.socket.hasLogger()&&e.socket.log("channel","leave ".concat(e.topic)),e.trigger(R,"leave")},i=new _(this,E,L({}),t);return i.receive("ok",(function(){return n()})).receive("timeout",(function(){return n()})),i.send(),this.canPush()||i.trigger("ok",{}),i}},{key:"onMessage",value:function(e,t,n){return t}},{key:"isLifecycleEvent",value:function(e){return x.indexOf(e)>=0}},{key:"isMember",value:function(e,t,n,i){return this.topic===e&&(!i||i===this.joinRef()||!this.isLifecycleEvent(t)||(this.socket.hasLogger()&&this.socket.log("channel","dropping outdated message",{topic:e,event:t,payload:n,joinRef:i}),!1))}},{key:"joinRef",value:function(){return this.joinPush.ref}},{key:"rejoin",value:function(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.timeout;this.isLeaving()||(this.socket.leaveOpenTopic(this.topic),this.state=j,this.joinPush.resend(e))}},{key:"trigger",value:function(e,t,n,i){var o=this.onMessage(e,t,n,i);if(t&&!o)throw new Error("channel onMessage callbacks must return the payload, modified or unmodified");for(var r=this.bindings.filter((function(t){return t.event===e})),s=0;s<r.length;s++){r[s].callback(o,n,i||this.joinRef())}}},{key:"replyEventName",value:function(e){return"chan_reply_".concat(e)}},{key:"isClosed",value:function(){return this.state===g}},{key:"isErrored",value:function(){return this.state===k}},{key:"isJoined",value:function(){return this.state===b}},{key:"isJoining",value:function(){return this.state===j}},{key:"isLeaving",value:function(){return this.state===C}}]),e}(),M={encode:function(e,t){var n=[e.join_ref,e.ref,e.topic,e.event,e.payload];return t(JSON.stringify(n))},decode:function(e,t){var n=r(JSON.parse(e),5);return t({join_ref:n[0],ref:n[1],topic:n[2],event:n[3],payload:n[4]})}},J=function(){function e(t){var n=this,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};c(this,e),this.stateChangeCallbacks={open:[],close:[],error:[],message:[]},this.channels=[],this.sendBuffer=[],this.ref=0,this.timeout=i.timeout||1e4,this.transport=i.transport||d.WebSocket||H,this.defaultEncoder=M.encode,this.defaultDecoder=M.decode,this.closeWasClean=!1,this.unloaded=!1,this.binaryType=i.binaryType||"arraybuffer",this.transport!==H?(this.encode=i.encode||this.defaultEncoder,this.decode=i.decode||this.defaultDecoder):(this.encode=this.defaultEncoder,this.decode=this.defaultDecoder),f&&f.addEventListener&&f.addEventListener("unload",(function(e){n.conn&&(n.unloaded=!0,n.abnormalClose("unloaded"))})),this.heartbeatIntervalMs=i.heartbeatIntervalMs||3e4,this.rejoinAfterMs=function(e){return i.rejoinAfterMs?i.rejoinAfterMs(e):[1e3,2e3,5e3][e-1]||1e4},this.reconnectAfterMs=function(e){return n.unloaded?100:i.reconnectAfterMs?i.reconnectAfterMs(e):[10,50,100,150,200,250,500,1e3,2e3][e-1]||5e3},this.logger=i.logger||null,this.longpollerTimeout=i.longpollerTimeout||2e4,this.params=L(i.params||{}),this.endPoint="".concat(t,"/").concat(P),this.vsn=i.vsn||"2.0.0",this.heartbeatTimer=null,this.pendingHeartbeatRef=null,this.reconnectTimer=new I((function(){n.teardown((function(){return n.connect()}))}),this.reconnectAfterMs)}return h(e,[{key:"protocol",value:function(){return location.protocol.match(/^https/)?"wss":"ws"}},{key:"endPointURL",value:function(){var e=D.appendParams(D.appendParams(this.endPoint,this.params()),{vsn:this.vsn});return"/"!==e.charAt(0)?e:"/"===e.charAt(1)?"".concat(this.protocol(),":").concat(e):"".concat(this.protocol(),"://").concat(location.host).concat(e)}},{key:"disconnect",value:function(e,t,n){this.closeWasClean=!0,this.reconnectTimer.reset(),this.teardown(e,t,n)}},{key:"connect",value:function(e){var t=this;e&&(console&&console.log("passing params to connect is deprecated. Instead pass :params to the Socket constructor"),this.params=L(e)),this.conn||(this.closeWasClean=!1,this.conn=new this.transport(this.endPointURL()),this.conn.binaryType=this.binaryType,this.conn.timeout=this.longpollerTimeout,this.conn.onopen=function(){return t.onConnOpen()},this.conn.onerror=function(e){return t.onConnError(e)},this.conn.onmessage=function(e){return t.onConnMessage(e)},this.conn.onclose=function(e){return t.onConnClose(e)})}},{key:"log",value:function(e,t,n){this.logger(e,t,n)}},{key:"hasLogger",value:function(){return null!==this.logger}},{key:"onOpen",value:function(e){var t=this.makeRef();return this.stateChangeCallbacks.open.push([t,e]),t}},{key:"onClose",value:function(e){var t=this.makeRef();return this.stateChangeCallbacks.close.push([t,e]),t}},{key:"onError",value:function(e){var t=this.makeRef();return this.stateChangeCallbacks.error.push([t,e]),t}},{key:"onMessage",value:function(e){var t=this.makeRef();return this.stateChangeCallbacks.message.push([t,e]),t}},{key:"onConnOpen",value:function(){this.hasLogger()&&this.log("transport","connected to ".concat(this.endPointURL())),this.unloaded=!1,this.closeWasClean=!1,this.flushSendBuffer(),this.reconnectTimer.reset(),this.resetHeartbeat(),this.stateChangeCallbacks.open.forEach((function(e){return(0,r(e,2)[1])()}))}},{key:"resetHeartbeat",value:function(){var e=this;this.conn&&this.conn.skipHeartbeat||(this.pendingHeartbeatRef=null,clearInterval(this.heartbeatTimer),this.heartbeatTimer=setInterval((function(){return e.sendHeartbeat()}),this.heartbeatIntervalMs))}},{key:"teardown",value:function(e,t,n){var i=this;if(!this.conn)return e&&e();this.waitForBufferDone((function(){i.conn&&(t?i.conn.close(t,n||""):i.conn.close()),i.waitForSocketClosed((function(){i.conn&&(i.conn.onclose=function(){},i.conn=null),e&&e()}))}))}},{key:"waitForBufferDone",value:function(e){var t=this,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:1;5===n||!this.conn||this.conn.bufferedAmount&&0===this.conn.bufferedAmount?e():setTimeout((function(){t.waitForBufferDone(e,n+1)}),150*n)}},{key:"waitForSocketClosed",value:function(e){var t=this,n=arguments.length>1&&void 0!==arguments[1]?arguments[1]:1;5!==n&&this.conn&&this.conn.readyState!==m?setTimeout((function(){t.waitForSocketClosed(e,n+1)}),150*n):e()}},{key:"onConnClose",value:function(e){this.hasLogger()&&this.log("transport","close",e),this.triggerChanError(),clearInterval(this.heartbeatTimer),this.closeWasClean||this.reconnectTimer.scheduleTimeout(),this.stateChangeCallbacks.close.forEach((function(t){return(0,r(t,2)[1])(e)}))}},{key:"onConnError",value:function(e){this.hasLogger()&&this.log("transport",e),this.triggerChanError(),this.stateChangeCallbacks.error.forEach((function(t){return(0,r(t,2)[1])(e)}))}},{key:"triggerChanError",value:function(){this.channels.forEach((function(e){e.isErrored()||e.isLeaving()||e.isClosed()||e.trigger(S)}))}},{key:"connectionState",value:function(){switch(this.conn&&this.conn.readyState){case p:return"connecting";case v:return"open";case y:return"closing";default:return"closed"}}},{key:"isConnected",value:function(){return"open"===this.connectionState()}},{key:"remove",value:function(e){this.off(e.stateChangeRefs),this.channels=this.channels.filter((function(t){return t.joinRef()!==e.joinRef()}))}},{key:"off",value:function(e){for(var t in this.stateChangeCallbacks)this.stateChangeCallbacks[t]=this.stateChangeCallbacks[t].filter((function(t){var n=r(t,1)[0];return-1===e.indexOf(n)}))}},{key:"channel",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{},n=new A(e,t,this);return this.channels.push(n),n}},{key:"push",value:function(e){var t=this;if(this.hasLogger()){var n=e.topic,i=e.event,o=e.payload,r=e.ref,s=e.join_ref;this.log("push","".concat(n," ").concat(i," (").concat(s,", ").concat(r,")"),o)}this.isConnected()?this.encode(e,(function(e){return t.conn.send(e)})):this.sendBuffer.push((function(){return t.encode(e,(function(e){return t.conn.send(e)}))}))}},{key:"makeRef",value:function(){var e=this.ref+1;return e===this.ref?this.ref=0:this.ref=e,this.ref.toString()}},{key:"sendHeartbeat",value:function(){if(this.isConnected()){if(this.pendingHeartbeatRef)return this.pendingHeartbeatRef=null,this.hasLogger()&&this.log("transport","heartbeat timeout. Attempting to re-establish connection"),void this.abnormalClose("heartbeat timeout");this.pendingHeartbeatRef=this.makeRef(),this.push({topic:"phoenix",event:"heartbeat",payload:{},ref:this.pendingHeartbeatRef})}}},{key:"abnormalClose",value:function(e){this.closeWasClean=!1,this.conn.close(1e3,e)}},{key:"flushSendBuffer",value:function(){this.isConnected()&&this.sendBuffer.length>0&&(this.sendBuffer.forEach((function(e){return e()})),this.sendBuffer=[])}},{key:"onConnMessage",value:function(e){var t=this;this.decode(e.data,(function(e){var n=e.topic,i=e.event,o=e.payload,s=e.ref,a=e.join_ref;s&&s===t.pendingHeartbeatRef&&(t.pendingHeartbeatRef=null),t.hasLogger()&&t.log("receive","".concat(o.status||""," ").concat(n," ").concat(i," ").concat(s&&"("+s+")"||""),o);for(var c=0;c<t.channels.length;c++){var u=t.channels[c];u.isMember(n,i,o,a)&&u.trigger(i,o,s,a)}for(var h=0;h<t.stateChangeCallbacks.message.length;h++){(0,r(t.stateChangeCallbacks.message[h],2)[1])(e)}}))}},{key:"leaveOpenTopic",value:function(e){var t=this.channels.find((function(t){return t.topic===e&&(t.isJoined()||t.isJoining())}));t&&(this.hasLogger()&&this.log("transport",'leaving duplicate topic "'.concat(e,'"')),t.leave())}}]),e}(),H=function(){function e(t){c(this,e),this.endPoint=null,this.token=null,this.skipHeartbeat=!0,this.onopen=function(){},this.onerror=function(){},this.onmessage=function(){},this.onclose=function(){},this.pollEndpoint=this.normalizeEndpoint(t),this.readyState=p,this.poll()}return h(e,[{key:"normalizeEndpoint",value:function(e){return e.replace("ws://","http://").replace("wss://","https://").replace(new RegExp("(.*)/"+P),"$1/"+O)}},{key:"endpointURL",value:function(){return D.appendParams(this.pollEndpoint,{token:this.token})}},{key:"closeAndRetry",value:function(){this.close(),this.readyState=p}},{key:"ontimeout",value:function(){this.onerror("timeout"),this.closeAndRetry()}},{key:"poll",value:function(){var e=this;this.readyState!==v&&this.readyState!==p||D.request("GET",this.endpointURL(),"application/json",null,this.timeout,this.ontimeout.bind(this),(function(t){if(t){var n=t.status,i=t.token,o=t.messages;e.token=i}else n=0;switch(n){case 200:o.forEach((function(t){return e.onmessage({data:t})})),e.poll();break;case 204:e.poll();break;case 410:e.readyState=v,e.onopen(),e.poll();break;case 403:e.onerror(),e.close();break;case 0:case 500:e.onerror(),e.closeAndRetry();break;default:throw new Error("unhandled poll status ".concat(n))}}))}},{key:"send",value:function(e){var t=this;D.request("POST",this.endpointURL(),"application/json",e,this.timeout,this.onerror.bind(this,"timeout"),(function(e){e&&200===e.status||(t.onerror(e&&e.status),t.closeAndRetry())}))}},{key:"close",value:function(e,t){this.readyState=m,this.onclose()}}]),e}(),D=function(){function e(){c(this,e)}return h(e,null,[{key:"request",value:function(e,t,n,i,o,r,s){if(d.XDomainRequest){var a=new XDomainRequest;this.xdomainRequest(a,e,t,i,o,r,s)}else{var c=new d.XMLHttpRequest;this.xhrRequest(c,e,t,n,i,o,r,s)}}},{key:"xdomainRequest",value:function(e,t,n,i,o,r,s){var a=this;e.timeout=o,e.open(t,n),e.onload=function(){var t=a.parseJSON(e.responseText);s&&s(t)},r&&(e.ontimeout=r),e.onprogress=function(){},e.send(i)}},{key:"xhrRequest",value:function(e,t,n,i,o,r,s,a){var c=this;e.open(t,n,!0),e.timeout=r,e.setRequestHeader("Content-Type",i),e.onerror=function(){a&&a(null)},e.onreadystatechange=function(){if(e.readyState===c.states.complete&&a){var t=c.parseJSON(e.responseText);a(t)}},s&&(e.ontimeout=s),e.send(o)}},{key:"parseJSON",value:function(e){if(!e||""===e)return null;try{return JSON.parse(e)}catch(t){return console&&console.log("failed to parse JSON response",e),null}}},{key:"serialize",value:function(e,t){var n=[];for(var i in e)if(e.hasOwnProperty(i)){var r=t?"".concat(t,"[").concat(i,"]"):i,s=e[i];"object"===o(s)?n.push(this.serialize(s,r)):n.push(encodeURIComponent(r)+"="+encodeURIComponent(s))}return n.join("&")}},{key:"appendParams",value:function(e,t){if(0===Object.keys(t).length)return e;var n=e.match(/\?/)?"&":"?";return"".concat(e).concat(n).concat(this.serialize(t))}}]),e}();D.states={complete:4};var B=function(){function e(t){var n=this,i=arguments.length>1&&void 0!==arguments[1]?arguments[1]:{};c(this,e);var o=i.events||{state:"presence_state",diff:"presence_diff"};this.state={},this.pendingDiffs=[],this.channel=t,this.joinRef=null,this.caller={onJoin:function(){},onLeave:function(){},onSync:function(){}},this.channel.on(o.state,(function(t){var i=n.caller,o=i.onJoin,r=i.onLeave,s=i.onSync;n.joinRef=n.channel.joinRef(),n.state=e.syncState(n.state,t,o,r),n.pendingDiffs.forEach((function(t){n.state=e.syncDiff(n.state,t,o,r)})),n.pendingDiffs=[],s()})),this.channel.on(o.diff,(function(t){var i=n.caller,o=i.onJoin,r=i.onLeave,s=i.onSync;n.inPendingSyncState()?n.pendingDiffs.push(t):(n.state=e.syncDiff(n.state,t,o,r),s())}))}return h(e,[{key:"onJoin",value:function(e){this.caller.onJoin=e}},{key:"onLeave",value:function(e){this.caller.onLeave=e}},{key:"onSync",value:function(e){this.caller.onSync=e}},{key:"list",value:function(t){return 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