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You should explicitly specify which calling convention you use."),a.callingConvention=a.callingConvention||"by-position-only",a},c.prototype._delegateEvents=function(){this.off("websocket:close"),this.off("websocket:error"),this.off("websocket:incomingMessage"),this.off("websocket:open"),this.off("state:offline"),this.on("websocket:close",this._cleanup),this.on("websocket:error",this._handleWebSocketError),this.on("websocket:incomingMessage",this._handleMessage),this.on("websocket:open",this._resetBackoffDelay),this.on("websocket:open",this._getApiSpec),this.on("state:offline",this._reconnect)},c.prototype.connect=function(){if(this._webSocket){if(this._webSocket.readyState===c.WebSocket.OPEN)return;this._webSocket.close()}this._webSocket=this._settings.webSocket||new c.WebSocket(this._settings.webSocketUrl),this._webSocket.onclose=function(a){this.emit("websocket:close",a)}.bind(this),this._webSocket.onerror=function(a){this.emit("websocket:error",a)}.bind(this),this._webSocket.onopen=function(){this.emit("websocket:open")}.bind(this),this._webSocket.onmessage=function(a){this.emit("websocket:incomingMessage",a)}.bind(this)},c.prototype._cleanup=function(a){Object.keys(this._pendingRequests).forEach(function(b){var d=this._pendingRequests[b];delete this._pendingRequests[b];var e=new c.ConnectionError("WebSocket closed");e.closeEvent=a,d.reject(e)}.bind(this)),this.emit("state:offline")},c.prototype._reconnect=function(){this.emit("reconnectionPending",{timeToAttempt:this._backoffDelay}),setTimeout(function(){this.emit("reconnecting"),this.connect()}.bind(this),this._backoffDelay),this._backoffDelay=2*this._backoffDelay,this._backoffDelay>this._settings.backoffDelayMax&&(this._backoffDelay=this._settings.backoffDelayMax)},c.prototype._resetBackoffDelay=function(){this._backoffDelay=this._settings.backoffDelayMin},c.prototype.close=function(){this.off("state:offline",this._reconnect),this._webSocket.close()},c.prototype._handleWebSocketError=function(a){this._console.warn("WebSocket error:",a.stack||a)},c.prototype._send=function(a){switch(this._webSocket.readyState){case c.WebSocket.CONNECTING:return f.reject(new c.ConnectionError("WebSocket is still connecting"));case c.WebSocket.CLOSING:return f.reject(new c.ConnectionError("WebSocket is closing"));case c.WebSocket.CLOSED:return f.reject(new c.ConnectionError("WebSocket is closed"));default:var b=f.defer();return a.jsonrpc="2.0",a.id=this._nextRequestId(),this._pendingRequests[a.id]=b.resolver,this._webSocket.send(JSON.stringify(a)),this.emit("websocket:outgoingMessage",a),b.promise}},c.prototype._nextRequestId=function(){var a=-1;return function(){return a+=1}}(),c.prototype._handleMessage=function(a){try{var b=JSON.parse(a.data);b.hasOwnProperty("id")?this._handleResponse(b):b.hasOwnProperty("event")?this._handleEvent(b):this._console.warn("Unknown message type received. Message was: "+a.data)}catch(c){if(!(c instanceof SyntaxError))throw c;this._console.warn("WebSocket message parsing failed. Message was: "+a.data)}},c.prototype._handleResponse=function(a){if(!this._pendingRequests.hasOwnProperty(a.id))return void this._console.warn("Unexpected response received. Message was:",a);var b,d=this._pendingRequests[a.id];delete this._pendingRequests[a.id],a.hasOwnProperty("result")?d.resolve(a.result):a.hasOwnProperty("error")?(b=new c.ServerError(a.error.message),b.code=a.error.code,b.data=a.error.data,d.reject(b),this._console.warn("Server returned error:",a.error)):(b=new Error("Response without 'result' or 'error' received"),b.data={response:a},d.reject(b),this._console.warn("Response without 'result' or 'error' received. Message was:",a))},c.prototype._handleEvent=function(a){var b=a.event,c=a;delete c.event,this.emit("event:"+this._snakeToCamel(b),c)},c.prototype._getApiSpec=function(){return this._send({method:"core.describe"}).then(this._createApi.bind(this))["catch"](this._handleWebSocketError)},c.prototype._createApi=function(a){var b="by-position-or-by-name"===this._settings.callingConvention,c=function(a){return function(){var c={method:a};return 0===arguments.length?this._send(c):b?arguments.length>1?f.reject(new Error("Expected zero arguments, a single array, or a single object.")):Array.isArray(arguments[0])||arguments[0]===Object(arguments[0])?(c.params=arguments[0],this._send(c)):f.reject(new TypeError("Expected an array or an object.")):(c.params=Array.prototype.slice.call(arguments),this._send(c))}.bind(this)}.bind(this),d=function(a){var b=a.split(".");return b.length>=1&&"core"===b[0]&&(b=b.slice(1)),b},e=function(a){var b=this;return a.forEach(function(a){a=this._snakeToCamel(a),b[a]=b[a]||{},b=b[a]}.bind(this)),b}.bind(this),g=function(b){var f=d(b),g=this._snakeToCamel(f.slice(-1)[0]),h=e(f.slice(0,-1));h[g]=c(b),h[g].description=a[b].description,h[g].params=a[b].params}.bind(this);Object.keys(a).forEach(g),this.emit("state:online")},c.prototype._snakeToCamel=function(a){return a.replace(/(_[a-z])/g,function(a){return a.toUpperCase().replace("_","")})},b.exports=c},{"../lib/websocket/":1,bane:2,when:21}]},{},[22])(22)});