UNPKG

async-polling

Version:

An easy way to run reliable polling without messing with setTimeout.

2 lines 14.5 kB
!function(exports){"use strict";function inspect(obj,opts){var ctx={seen:[],stylize:stylizeNoColor};return arguments.length>=3&&(ctx.depth=arguments[2]),arguments.length>=4&&(ctx.colors=arguments[3]),isBoolean(opts)?ctx.showHidden=opts:opts&&exports._extend(ctx,opts),isUndefined(ctx.showHidden)&&(ctx.showHidden=!1),isUndefined(ctx.depth)&&(ctx.depth=2),isUndefined(ctx.colors)&&(ctx.colors=!1),isUndefined(ctx.customInspect)&&(ctx.customInspect=!0),ctx.colors&&(ctx.stylize=stylizeWithColor),formatValue(ctx,obj,ctx.depth)}function stylizeWithColor(str,styleType){var style=inspect.styles[styleType];return style?"["+inspect.colors[style][0]+"m"+str+"["+inspect.colors[style][1]+"m":str}function stylizeNoColor(str,styleType){return str}function arrayToHash(array){var hash={};return array.forEach(function(val,idx){hash[val]=!0}),hash}function formatValue(ctx,value,recurseTimes){if(ctx.customInspect&&value&&isFunction(value.inspect)&&value.inspect!==exports.inspect&&(!value.constructor||value.constructor.prototype!==value)){var ret=value.inspect(recurseTimes,ctx);return isString(ret)||(ret=formatValue(ctx,ret,recurseTimes)),ret}var primitive=formatPrimitive(ctx,value);if(primitive)return primitive;var keys=Object.keys(value),visibleKeys=arrayToHash(keys);ctx.showHidden&&(keys=Object.getOwnPropertyNames(value));var formatted,raw=value;try{isDate(value)||(raw=value.valueOf())}catch(e){}if(isString(raw)&&(keys=keys.filter(function(key){return!(key>=0&&key<raw.length)})),0===keys.length){if(isFunction(value)){var name=value.name?": "+value.name:"";return ctx.stylize("[Function"+name+"]","special")}if(isRegExp(value))return ctx.stylize(RegExp.prototype.toString.call(value),"regexp");if(isDate(value))return ctx.stylize(Date.prototype.toString.call(value),"date");if(isError(value))return formatError(value);if(isString(raw))return formatted=formatPrimitiveNoColor(ctx,raw),ctx.stylize("[String: "+formatted+"]","string");if(isNumber(raw))return formatted=formatPrimitiveNoColor(ctx,raw),ctx.stylize("[Number: "+formatted+"]","number");if(isBoolean(raw))return formatted=formatPrimitiveNoColor(ctx,raw),ctx.stylize("[Boolean: "+formatted+"]","boolean")}var base="",array=!1,braces=["{","}"];if(isArray(value)&&(array=!0,braces=["[","]"]),isFunction(value)){var n=value.name?": "+value.name:"";base=" [Function"+n+"]"}if(isRegExp(value)&&(base=" "+RegExp.prototype.toString.call(value)),isDate(value)&&(base=" "+Date.prototype.toUTCString.call(value)),isError(value)&&(base=" "+formatError(value)),isString(raw)&&(formatted=formatPrimitiveNoColor(ctx,raw),base=" [String: "+formatted+"]"),isNumber(raw)&&(formatted=formatPrimitiveNoColor(ctx,raw),base=" [Number: "+formatted+"]"),isBoolean(raw)&&(formatted=formatPrimitiveNoColor(ctx,raw),base=" [Boolean: "+formatted+"]"),0===keys.length&&(!array||0===value.length))return braces[0]+base+braces[1];if(0>recurseTimes)return isRegExp(value)?ctx.stylize(RegExp.prototype.toString.call(value),"regexp"):ctx.stylize("[Object]","special");ctx.seen.push(value);var output;return output=array?formatArray(ctx,value,recurseTimes,visibleKeys,keys):keys.map(function(key){return formatProperty(ctx,value,recurseTimes,visibleKeys,key,array)}),ctx.seen.pop(),reduceToSingleString(output,base,braces)}function formatPrimitive(ctx,value){if(isUndefined(value))return ctx.stylize("undefined","undefined");if(isString(value)){var simple="'"+JSON.stringify(value).replace(/^"|"$/g,"").replace(/'/g,"\\'").replace(/\\"/g,'"')+"'";return ctx.stylize(simple,"string")}return isNumber(value)?0===value&&0>1/value?ctx.stylize("-0","number"):ctx.stylize(""+value,"number"):isBoolean(value)?ctx.stylize(""+value,"boolean"):isNull(value)?ctx.stylize("null","null"):void 0}function formatPrimitiveNoColor(ctx,value){var stylize=ctx.stylize;ctx.stylize=stylizeNoColor;var str=formatPrimitive(ctx,value);return ctx.stylize=stylize,str}function formatError(value){return"["+Error.prototype.toString.call(value)+"]"}function formatArray(ctx,value,recurseTimes,visibleKeys,keys){for(var output=[],i=0,l=value.length;l>i;++i)hasOwnProperty(value,String(i))?output.push(formatProperty(ctx,value,recurseTimes,visibleKeys,String(i),!0)):output.push("");return keys.forEach(function(key){key.match(/^\d+$/)||output.push(formatProperty(ctx,value,recurseTimes,visibleKeys,key,!0))}),output}function formatProperty(ctx,value,recurseTimes,visibleKeys,key,array){var name,str,desc;if(desc=Object.getOwnPropertyDescriptor(value,key)||{value:value[key]},desc.get?str=desc.set?ctx.stylize("[Getter/Setter]","special"):ctx.stylize("[Getter]","special"):desc.set&&(str=ctx.stylize("[Setter]","special")),hasOwnProperty(visibleKeys,key)||(name="["+key+"]"),str||(ctx.seen.indexOf(desc.value)<0?(str=isNull(recurseTimes)?formatValue(ctx,desc.value,null):formatValue(ctx,desc.value,recurseTimes-1),str.indexOf("\n")>-1&&(str=array?str.split("\n").map(function(line){return" "+line}).join("\n").substr(2):"\n"+str.split("\n").map(function(line){return" "+line}).join("\n"))):str=ctx.stylize("[Circular]","special")),isUndefined(name)){if(array&&key.match(/^\d+$/))return str;name=JSON.stringify(""+key),name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)?(name=name.substr(1,name.length-2),name=ctx.stylize(name,"name")):(name=name.replace(/'/g,"\\'").replace(/\\"/g,'"').replace(/(^"|"$)/g,"'").replace(/\\\\/g,"\\"),name=ctx.stylize(name,"string"))}return name+": "+str}function reduceToSingleString(output,base,braces){var length=output.reduce(function(prev,cur){return prev+cur.replace(/\u001b\[\d\d?m/g,"").length+1},0);return length>60?braces[0]+(""===base?"":base+"\n ")+" "+output.join(",\n ")+" "+braces[1]:braces[0]+base+" "+output.join(", ")+" "+braces[1]}function isBoolean(arg){return"boolean"==typeof arg}function isNull(arg){return null===arg}function isNullOrUndefined(arg){return null==arg}function isNumber(arg){return"number"==typeof arg}function isString(arg){return"string"==typeof arg}function isSymbol(arg){return"symbol"==typeof arg}function isUndefined(arg){return void 0===arg}function isRegExp(re){return isObject(re)&&"[object RegExp]"===objectToString(re)}function isObject(arg){return"object"==typeof arg&&null!==arg}function isDate(d){return isObject(d)&&"[object Date]"===objectToString(d)}function isError(e){return isObject(e)&&("[object Error]"===objectToString(e)||e instanceof Error)}function isFunction(arg){return"function"==typeof arg}function isPrimitive(arg){return null===arg||"boolean"==typeof arg||"number"==typeof arg||"string"==typeof arg||"symbol"==typeof arg||"undefined"==typeof arg}function isBuffer(arg){return arg instanceof Buffer}function objectToString(o){return Object.prototype.toString.call(o)}function pad(n){return 10>n?"0"+n.toString(10):n.toString(10)}function timestamp(){var d=new Date,time=[pad(d.getHours()),pad(d.getMinutes()),pad(d.getSeconds())].join(":");return[d.getDate(),months[d.getMonth()],time].join(" ")}function hasOwnProperty(obj,prop){return Object.prototype.hasOwnProperty.call(obj,prop)}var formatRegExp=/%[sdj%]/g;exports.format=function(f){if(!isString(f)){for(var objects=[],i=0;i<arguments.length;i++)objects.push(inspect(arguments[i]));return objects.join(" ")}for(var i=1,args=arguments,len=args.length,str=String(f).replace(formatRegExp,function(x){if("%%"===x)return"%";if(i>=len)return x;switch(x){case"%s":return String(args[i++]);case"%d":return Number(args[i++]);case"%j":try{return JSON.stringify(args[i++])}catch(_){return"[Circular]"}default:return x}}),x=args[i];len>i;x=args[++i])str+=isNull(x)||!isObject(x)?" "+x:" "+inspect(x);return str},exports.inspect=inspect,inspect.colors={bold:[1,22],italic:[3,23],underline:[4,24],inverse:[7,27],white:[37,39],grey:[90,39],black:[30,39],blue:[34,39],cyan:[36,39],green:[32,39],magenta:[35,39],red:[31,39],yellow:[33,39]},inspect.styles={special:"cyan",number:"yellow","boolean":"yellow",undefined:"grey","null":"bold",string:"green",date:"magenta",regexp:"red"};var isArray=exports.isArray=Array.isArray;exports.isBoolean=isBoolean,exports.isNull=isNull,exports.isNullOrUndefined=isNullOrUndefined,exports.isNumber=isNumber,exports.isString=isString,exports.isSymbol=isSymbol,exports.isUndefined=isUndefined,exports.isRegExp=isRegExp,exports.isObject=isObject,exports.isDate=isDate,exports.isError=isError,exports.isFunction=isFunction,exports.isPrimitive=isPrimitive,exports.isBuffer=isBuffer;var months=["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];exports.log=function(){console.log("%s - %s",timestamp(),exports.format.apply(exports,arguments))},exports.inherits=function(ctor,superCtor){ctor.super_=superCtor,ctor.prototype=Object.create(superCtor.prototype,{constructor:{value:ctor,enumerable:!1,writable:!0,configurable:!0}})},exports._extend=function(origin,add){if(!add||!isObject(add))return origin;for(var keys=Object.keys(add),i=keys.length;i--;)origin[keys[i]]=add[keys[i]];return origin}}(window.nodeUtil={}),function(){"use strict";function EventEmitter(){EventEmitter.init.call(this)}var util=window.nodeUtil;window.nodeEventEmitter=EventEmitter,EventEmitter.prototype._events=void 0,EventEmitter.prototype._maxListeners=void 0,EventEmitter.defaultMaxListeners=10,EventEmitter.init=function(){this._events&&this._events!==Object.getPrototypeOf(this)._events||(this._events={}),this._maxListeners=this._maxListeners||void 0},EventEmitter.prototype.setMaxListeners=function(n){if(!util.isNumber(n)||0>n||isNaN(n))throw TypeError("n must be a positive number");return this._maxListeners=n,this},EventEmitter.prototype.emit=function(type){var er,handler,len,args,i,listeners;if(this._events||(this._events={}),"error"===type&&!this._events.error)throw er=arguments[1],er instanceof Error?er:Error('Uncaught, unspecified "error" event.');if(handler=this._events[type],util.isUndefined(handler))return!1;if(util.isFunction(handler))switch(arguments.length){case 1:handler.call(this);break;case 2:handler.call(this,arguments[1]);break;case 3:handler.call(this,arguments[1],arguments[2]);break;default:for(len=arguments.length,args=new Array(len-1),i=1;len>i;i++)args[i-1]=arguments[i];handler.apply(this,args)}else if(util.isObject(handler)){for(len=arguments.length,args=new Array(len-1),i=1;len>i;i++)args[i-1]=arguments[i];for(listeners=handler.slice(),len=listeners.length,i=0;len>i;i++)listeners[i].apply(this,args)}return!0},EventEmitter.prototype.addListener=function(type,listener){var m;if(!util.isFunction(listener))throw TypeError("listener must be a function");if(this._events||(this._events={}),this._events.newListener&&this.emit("newListener",type,util.isFunction(listener.listener)?listener.listener:listener),this._events[type]?util.isObject(this._events[type])?this._events[type].push(listener):this._events[type]=[this._events[type],listener]:this._events[type]=listener,util.isObject(this._events[type])&&!this._events[type].warned){var m;m=util.isUndefined(this._maxListeners)?EventEmitter.defaultMaxListeners:this._maxListeners,m&&m>0&&this._events[type].length>m&&(this._events[type].warned=!0,console.error("(node) warning: possible EventEmitter memory leak detected. %d listeners added. Use emitter.setMaxListeners() to increase limit.",this._events[type].length),console.trace())}return this},EventEmitter.prototype.on=EventEmitter.prototype.addListener,EventEmitter.prototype.once=function(type,listener){function g(){this.removeListener(type,g),fired||(fired=!0,listener.apply(this,arguments))}if(!util.isFunction(listener))throw TypeError("listener must be a function");var fired=!1;return g.listener=listener,this.on(type,g),this},EventEmitter.prototype.removeListener=function(type,listener){var list,position,length,i;if(!util.isFunction(listener))throw TypeError("listener must be a function");if(!this._events||!this._events[type])return this;if(list=this._events[type],length=list.length,position=-1,list===listener||util.isFunction(list.listener)&&list.listener===listener)delete this._events[type],this._events.removeListener&&this.emit("removeListener",type,listener);else if(util.isObject(list)){for(i=length;i-->0;)if(list[i]===listener||list[i].listener&&list[i].listener===listener){position=i;break}if(0>position)return this;1===list.length?(list.length=0,delete this._events[type]):list.splice(position,1),this._events.removeListener&&this.emit("removeListener",type,listener)}return this},EventEmitter.prototype.removeAllListeners=function(type){var key,listeners;if(!this._events)return this;if(!this._events.removeListener)return 0===arguments.length?this._events={}:this._events[type]&&delete this._events[type],this;if(0===arguments.length){for(key in this._events)"removeListener"!==key&&this.removeAllListeners(key);return this.removeAllListeners("removeListener"),this._events={},this}if(listeners=this._events[type],util.isFunction(listeners))this.removeListener(type,listeners);else if(Array.isArray(listeners))for(;listeners.length;)this.removeListener(type,listeners[listeners.length-1]);return delete this._events[type],this},EventEmitter.prototype.listeners=function(type){var ret;return ret=this._events&&this._events[type]?util.isFunction(this._events[type])?[this._events[type]]:this._events[type].slice():[]},EventEmitter.listenerCount=function(emitter,type){var ret;return ret=emitter._events&&emitter._events[type]?util.isFunction(emitter._events[type])?1:emitter._events[type].length:0}}(),function(){"use strict";function AsyncPolling(pollingFunc,delay){return this instanceof AsyncPolling?(this._pollingFunc=pollingFunc.bind(this,pollCallback.bind(this)),this._delay=delay.valueOf(),this._timer=null,void(this._mustSchedule=!1)):new AsyncPolling(pollingFunc,delay)}function poll(){this.emit("start"),this._pollingFunc()}function pollCallback(error,result){error?this.emit("error",error):this.emit("result",result),this.emit("end",error,result),this._mustSchedule&&(this._timer=setTimeout(poll.bind(this),this._delay),this.emit("schedule",this._delay))}var hasWindow="undefined"!=typeof window,inherits=hasWindow?window.nodeUtil.inherits:require("util").inherits,EventEmitter=hasWindow?window.nodeEventEmitter:require("events").EventEmitter;inherits(AsyncPolling,EventEmitter),AsyncPolling.prototype.run=function(){this.emit("run"),this._mustSchedule=!0,poll.call(this)},AsyncPolling.prototype.stop=function(){this._mustSchedule=!1,null!==this._timer&&(clearTimeout(this._timer),this._timer=null),this.emit("stop")},hasWindow?window.AsyncPolling=AsyncPolling:module.exports=AsyncPolling}(); //# sourceMappingURL=async-polling.min.js.map