mopidy 0.17.0-3 / usr / share / mopidy / mopidy / frontends / http / data / mopidy.min.js

function Mopidy(e){if(!(this instanceof Mopidy))return new Mopidy(e);this._settings=this._configure(e||{}),this._console=this._getConsole(),this._backoffDelay=this._settings.backoffDelayMin,this._pendingRequests={},this._webSocket=null,bane.createEventEmitter(this),this._delegateEvents(),this._settings.autoConnect&&this.connect()}(typeof define=="function"&&define.amd&&function(e){define("bane",e)}||typeof module=="object"&&function(e){module.exports=e()}||function(e){this.bane=e()})(function(){"use strict";function t(e,t,n){var r,i=n.length;if(i>0){for(r=0;r<i;++r)n[r](e,t);return}setTimeout(function(){throw t.message=e+" listener threw error: "+t.message,t},0)}function n(e){if(typeof e!="function")throw new TypeError("Listener is not function");return e}function r(e){return e.supervisors||(e.supervisors=[]),e.supervisors}function i(e,t){return e.listeners||(e.listeners={}),t&&!e.listeners[t]&&(e.listeners[t]=[]),t?e.listeners[t]:e.listeners}function s(e){return 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e.log=e.log||function(){},e.warn=e.warn||function(){},e.error=e.error||function(){},e},Mopidy.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)},Mopidy.prototype.connect=function(){if(this._webSocket){if(this._webSocket.readyState===Mopidy.WebSocket.OPEN)return;this._webSocket.close()}this._webSocket=this._settings.webSocket||new Mopidy.WebSocket(this._settings.webSocketUrl),this._webSocket.onclose=function(e){this.emit("websocket:close",e)}.bind(this),this._webSocket.onerror=function(e){this.emit("websocket:error",e)}.bind(this),this._webSocket.onopen=function(){this.emit("websocket:open")}.bind(this),this._webSocket.onmessage=function(e){this.emit("websocket:incomingMessage",e)}.bind(this)},Mopidy.prototype._cleanup=function(e){Object.keys(this._pendingRequests).forEach(function(t){var n=this._pendingRequests[t];delete this._pendingRequests[t],n.reject({message:"WebSocket closed",closeEvent:e})}.bind(this)),this.emit("state:offline")},Mopidy.prototype._reconnect=function(){this.emit("reconnectionPending",{timeToAttempt:this._backoffDelay}),setTimeout(function(){this.emit("reconnecting"),this.connect()}.bind(this),this._backoffDelay),this._backoffDelay=this._backoffDelay*2,this._backoffDelay>this._settings.backoffDelayMax&&(this._backoffDelay=this._settings.backoffDelayMax)},Mopidy.prototype._resetBackoffDelay=function(){this._backoffDelay=this._settings.backoffDelayMin},Mopidy.prototype.close=function(){this.off("state:offline",this._reconnect),this._webSocket.close()},Mopidy.prototype._handleWebSocketError=function(e){this._console.warn("WebSocket error:",e.stack||e)},Mopidy.prototype._send=function(e){var t=when.defer();switch(this._webSocket.readyState){case Mopidy.WebSocket.CONNECTING:t.resolver.reject({message:"WebSocket is still connecting"});break;case Mopidy.WebSocket.CLOSING:t.resolver.reject({message:"WebSocket is closing"});break;case Mopidy.WebSocket.CLOSED:t.resolver.reject({message:"WebSocket is closed"});break;default:e.jsonrpc="2.0",e.id=this._nextRequestId(),this._pendingRequests[e.id]=t.resolver,this._webSocket.send(JSON.stringify(e)),this.emit("websocket:outgoingMessage",e)}return t.promise},Mopidy.prototype._nextRequestId=function(){var e=-1;return function(){return e+=1,e}}(),Mopidy.prototype._handleMessage=function(e){try{var t=JSON.parse(e.data);t.hasOwnProperty("id")?this._handleResponse(t):t.hasOwnProperty("event")?this._handleEvent(t):this._console.warn("Unknown message type received. Message was: "+e.data)}catch(n){if(!(n instanceof SyntaxError))throw n;this._console.warn("WebSocket message parsing failed. Message was: "+e.data)}},Mopidy.prototype._handleResponse=function(e){if(!this._pendingRequests.hasOwnProperty(e.id)){this._console.warn("Unexpected response received. Message was:",e);return}var t=this._pendingRequests[e.id];delete this._pendingRequests[e.id],e.hasOwnProperty("result")?t.resolve(e.result):e.hasOwnProperty("error")?(t.reject(e.error),this._console.warn("Server returned error:",e.error)):(t.reject({message:"Response without 'result' or 'error' received",data:{response:e}}),this._console.warn("Response without 'result' or 'error' received. Message was:",e))},Mopidy.prototype._handleEvent=function(e){var t=e.event,n=e;delete n.event,this.emit("event:"+this._snakeToCamel(t),n)},Mopidy.prototype._getApiSpec=function(){return this._send({method:"core.describe"}).then(this._createApi.bind(this),this._handleWebSocketError).then(null,this._handleWebSocketError)},Mopidy.prototype._createApi=function(e){var t=function(e){return function(){var t=Array.prototype.slice.call(arguments);return this._send({method:e,params:t})}.bind(this)}.bind(this),n=function(e){var t=e.split(".");return t.length>=1&&t[0]==="core"&&(t=t.slice(1)),t},r=function(e){var t=this;return e.forEach(function(e){e=this._snakeToCamel(e),t[e]=t[e]||{},t=t[e]}.bind(this)),t}.bind(this),i=function(i){var s=n(i),o=this._snakeToCamel(s.slice(-1)[0]),u=r(s.slice(0,-1));u[o]=t(i),u[o].description=e[i].description,u[o].params=e[i].params}.bind(this);Object.keys(e).forEach(i),this.emit("state:online")},Mopidy.prototype._snakeToCamel=function(e){return e.replace(/(_[a-z])/g,function(e){return e.toUpperCase().replace("_","")})},typeof exports=="object"&&(exports.Mopidy=Mopidy);