1
|
(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.gifFrames=f()}})(function(){var define,module,exports;return function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){var MultiRange=require("multi-integer-range").MultiRange;var getPixels=require("get-pixels-frame-info-update");var savePixels=require("save-pixels-jpeg-js-upgrade");function nopromises(){throw new Error("Promises not supported in your environment. "+"Use the callback argument or a Promise polyfill.")}var brokenPromise={then:nopromises,catch:nopromises};function gifFrames(options,callback){options=options||{};callback=callback||function(){};var promise;var resolve;var reject;if(typeof Promise==="function"){promise=new Promise(function(_resolve,_reject){resolve=function(res){callback(null,res);_resolve(res)};reject=function(err){callback(err);_reject(err)}})}else{promise=brokenPromise;resolve=function(res){callback(null,res)};reject=callback}var url=options.url;if(!url){reject(new Error('"url" option is required.'));return promise}var frames=options.frames;if(!frames&&frames!==0){reject(new Error('"frames" option is required.'));return promise}var outputType=options.outputType||"jpg";var quality=options.quality;var cumulative=options.cumulative;var acceptedFrames=frames==="all"?"all":new MultiRange(frames);var inputType=typeof window==="undefined"?"image/gif":".GIF";getPixels(url,inputType,function(err,pixels,framesInfo){if(err){reject(err);return}if(pixels.shape.length<4){reject(new Error('"url" input should be multi-frame GIF.'));return}var frameData=[];var maxAccumulatedFrame=0;for(var i=0;i<pixels.shape[0];i++){if(acceptedFrames!=="all"&&!acceptedFrames.has(i)){continue}(function(frameIndex){frameData.push({getImage:function(){if(cumulative&&frameIndex>maxAccumulatedFrame){var lastFrame=pixels.pick(maxAccumulatedFrame);for(var f=maxAccumulatedFrame+1;f<=frameIndex;f++){var frame=pixels.pick(f);for(var x=0;x<frame.shape[0];x++){for(var y=0;y<frame.shape[1];y++){if(frame.get(x,y,3)===0){frame.set(x,y,0,lastFrame.get(x,y,0));frame.set(x,y,1,lastFrame.get(x,y,1));frame.set(x,y,2,lastFrame.get(x,y,2));frame.set(x,y,3,lastFrame.get(x,y,3))}}}lastFrame=frame}maxAccumulatedFrame=frameIndex}return savePixels(pixels.pick(frameIndex),outputType,{quality:quality})},frameIndex:frameIndex,frameInfo:framesInfo&&framesInfo[frameIndex]})})(i)}resolve(frameData)});return promise}module.exports=gifFrames},{"get-pixels-frame-info-update":15,"multi-integer-range":33,"save-pixels-jpeg-js-upgrade":81}],2:[function(require,module,exports){(function(global){"use strict";function compare(a,b){if(a===b){return 0}var x=a.length;var y=b.length;for(var i=0,len=Math.min(x,y);i<len;++i){if(a[i]!==b[i]){x=a[i];y=b[i];break}}if(x<y){return-1}if(y<x){return 1}return 0}function isBuffer(b){if(global.Buffer&&typeof global.Buffer.isBuffer==="function"){return global.Buffer.isBuffer(b)}return!!(b!=null&&b._isBuffer)}var util=require("util/");var hasOwn=Object.prototype.hasOwnProperty;var pSlice=Array.prototype.slice;var functionsHaveNames=function(){return function foo(){}.name==="foo"}();function pToString(obj){return Object.prototype.toString.call(obj)}function isView(arrbuf){if(isBuffer(arrbuf)){return false}if(typeof global.ArrayBuffer!=="function"){return false}if(typeof ArrayBuffer.isView==="function"){return ArrayBuffer.isView(arrbuf)}if(!arrbuf){return false}if(arrbuf instanceof DataView){return true}if(arrbuf.buffer&&arrbuf.buffer instanceof ArrayBuffer){return true}return false}var assert=module.exports=ok;var regex=/\s*function\s+([^\(\s]*)\s*/;function getName(func){if(!util.isFunction(func)){return}if(functionsHaveNames){return func.name}var str=func.toString();var match=str.match(regex);return match&&match[1]}assert.AssertionError=function AssertionError(options){this.name="AssertionError";this.actual=options.actual;this.expected=options.expected;this.operator=options.operator;if(options.message){this.message=options.message;this.generatedMessage=false}else{this.message=getMessage(this);this.generatedMessage=true}var stackStartFunction=options.stackStartFunction||fail;if(Error.captureStackTrace){Error.captureStackTrace(this,stackStartFunction)}else{var err=new Error;if(err.stack){var out=err.stack;var fn_name=getName(stackStartFunction);var idx=out.indexOf("\n"+fn_name);if(idx>=0){var next_line=out.indexOf("\n",idx+1);out=out.substring(next_line+1)}this.stack=out}}};util.inherits(assert.AssertionError,Error);function truncate(s,n){if(typeof s==="string"){return s.length<n?s:s.slice(0,n)}else{return s}}function inspect(something){if(functionsHaveNames||!util.isFunction(something)){return util.inspect(something)}var rawname=getName(something);var name=rawname?": "+rawname:"";return"[Function"+name+"]"}function getMessage(self){return truncate(inspect(self.actual),128)+" "+self.operator+" "+truncate(inspect(self.expected),128)}function fail(actual,expected,message,operator,stackStartFunction){throw new assert.AssertionError({message:message,actual:actual,expected:expected,operator:operator,stackStartFunction:stackStartFunction})}assert.fail=fail;function ok(value,message){if(!value)fail(value,true,message,"==",assert.ok)}assert.ok=ok;assert.equal=function equal(actual,expected,message){if(actual!=expected)fail(actual,expected,message,"==",assert.equal)};assert.notEqual=function notEqual(actual,expected,message){if(actual==expected){fail(actual,expected,message,"!=",assert.notEqual)}};assert.deepEqual=function deepEqual(actual,expected,message){if(!_deepEqual(actual,expected,false)){fail(actual,expected,message,"deepEqual",assert.deepEqual)}};assert.deepStrictEqual=function deepStrictEqual(actual,expected,message){if(!_deepEqual(actual,expected,true)){fail(actual,expected,message,"deepStrictEqual",assert.deepStrictEqual)}};function _deepEqual(actual,expected,strict,memos){if(actual===expected){return true}else if(isBuffer(actual)&&isBuffer(expected)){return compare(actual,expected)===0}else if(util.isDate(actual)&&util.isDate(expected)){return actual.getTime()===expected.getTime()}else if(util.isRegExp(actual)&&util.isRegExp(expected)){return actual.source===expected.source&&actual.global===expected.global&&actual.multiline===expected.multiline&&actual.lastIndex===expected.lastIndex&&actual.ignoreCase===expected.ignoreCase}else if((actual===null||typeof actual!=="object")&&(expected===null||typeof expected!=="object")){return strict?actual===expected:actual==expected}else if(isView(actual)&&isView(expected)&&pToString(actual)===pToString(expected)&&!(actual instanceof Float32Array||actual instanceof Float64Array)){return compare(new Uint8Array(actual.buffer),new Uint8Array(expected.buffer))===0}else if(isBuffer(actual)!==isBuffer(expected)){return false}else{memos=memos||{actual:[],expected:[]};var actualIndex=memos.actual.indexOf(actual);if(actualIndex!==-1){if(actualIndex===memos.expected.indexOf(expected)){return true}}memos.actual.push(actual);memos.expected.push(expected);return objEquiv(actual,expected,strict,memos)}}function isArguments(object){return Object.prototype.toString.call(object)=="[object Arguments]"}function objEquiv(a,b,strict,actualVisitedObjects){if(a===null||a===undefined||b===null||b===undefined)return false;if(util.isPrimitive(a)||util.isPrimitive(b))return a===b;if(strict&&Object.getPrototypeOf(a)!==Object.getPrototypeOf(b))return false;var aIsArgs=isArguments(a);var bIsArgs=isArguments(b);if(aIsArgs&&!bIsArgs||!aIsArgs&&bIsArgs)return false;if(aIsArgs){a=pSlice.call(a);b=pSlice.call(b);return _deepEqual(a,b,strict)}var ka=objectKeys(a);var kb=objectKeys(b);var key,i;if(ka.length!==kb.length)return false;ka.sort();kb.sort();for(i=ka.length-1;i>=0;i--){if(ka[i]!==kb[i])return false}for(i=ka.length-1;i>=0;i--){key=ka[i];if(!_deepEqual(a[key],b[key],strict,actualVisitedObjects))return false}return true}assert.notDeepEqual=function notDeepEqual(actual,expected,message){if(_deepEqual(actual,expected,false)){fail(actual,expected,message,"notDeepEqual",assert.notDeepEqual)}};assert.notDeepStrictEqual=notDeepStrictEqual;function notDeepStrictEqual(actual,expected,message){if(_deepEqual(actual,expected,true)){fail(actual,expected,message,"notDeepStrictEqual",notDeepStrictEqual)}}assert.strictEqual=function strictEqual(actual,expected,message){if(actual!==expected){fail(actual,expected,message,"===",assert.strictEqual)}};assert.notStrictEqual=function notStrictEqual(actual,expected,message){if(actual===expected){fail(actual,expected,message,"!==",assert.notStrictEqual)}};function expectedException(actual,expected){if(!actual||!expected){return false}if(Object.prototype.toString.call(expected)=="[object RegExp]"){return expected.test(actual)}try{if(actual instanceof expected){return true}}catch(e){}if(Error.isPrototypeOf(expected)){return false}return expected.call({},actual)===true}function _tryBlock(block){var error;try{block()}catch(e){error=e}return error}function _throws(shouldThrow,block,expected,message){var actual;if(typeof block!=="function"){throw new TypeError('"block" argument must be a function')}if(typeof expected==="string"){message=expected;expected=null}actual=_tryBlock(block);message=(expected&&expected.name?" ("+expected.name+").":".")+(message?" "+message:".");if(shouldThrow&&!actual){fail(actual,expected,"Missing expected exception"+message)}var userProvidedMessage=typeof message==="string";var isUnwantedException=!shouldThrow&&util.isError(actual);var isUnexpectedException=!shouldThrow&&actual&&!expected;if(isUnwantedException&&userProvidedMessage&&expectedException(actual,expected)||isUnexpectedException){fail(actual,expected,"Got unwanted exception"+message)}if(shouldThrow&&actual&&expected&&!expectedException(actual,expected)||!shouldThrow&&actual){throw actual}}assert.throws=function(block,error,message){_throws(true,block,error,message)};assert.doesNotThrow=function(block,error,message){_throws(false,block,error,message)};assert.ifError=function(err){if(err)throw err};var objectKeys=Object.keys||function(obj){var keys=[];for(var key in obj){if(hasOwn.call(obj,key))keys.push(key)}return keys}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"util/":104}],3:[function(require,module,exports){"use strict";exports.byteLength=byteLength;exports.toByteArray=toByteArray;exports.fromByteArray=fromByteArray;var lookup=[];var revLookup=[];var Arr=typeof Uint8Array!=="undefined"?Uint8Array:Array;var code="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";for(var i=0,len=code.length;i<len;++i){lookup[i]=code[i];revLookup[code.charCodeAt(i)]=i}revLookup["-".charCodeAt(0)]=62;revLookup["_".charCodeAt(0)]=63;function placeHoldersCount(b64){var len=b64.length;if(len%4>0){throw new Error("Invalid string. Length must be a multiple of 4")}return b64[len-2]==="="?2:b64[len-1]==="="?1:0}function byteLength(b64){return b64.length*3/4-placeHoldersCount(b64)}function toByteArray(b64){var i,l,tmp,placeHolders,arr;var len=b64.length;placeHolders=placeHoldersCount(b64);arr=new Arr(len*3/4-placeHolders);l=placeHolders>0?len-4:len;var L=0;for(i=0;i<l;i+=4){tmp=revLookup[b64.charCodeAt(i)]<<18|revLookup[b64.charCodeAt(i+1)]<<12|revLookup[b64.charCodeAt(i+2)]<<6|revLookup[b64.charCodeAt(i+3)];arr[L++]=tmp>>16&255;arr[L++]=tmp>>8&255;arr[L++]=tmp&255}if(placeHolders===2){tmp=revLookup[b64.charCodeAt(i)]<<2|revLookup[b64.charCodeAt(i+1)]>>4;arr[L++]=tmp&255}else if(placeHolders===1){tmp=revLookup[b64.charCodeAt(i)]<<10|revLookup[b64.charCodeAt(i+1)]<<4|revLookup[b64.charCodeAt(i+2)]>>2;arr[L++]=tmp>>8&255;arr[L++]=tmp&255}return arr}function tripletToBase64(num){return lookup[num>>18&63]+lookup[num>>12&63]+lookup[num>>6&63]+lookup[num&63]}function encodeChunk(uint8,start,end){var tmp;var output=[];for(var i=start;i<end;i+=3){tmp=(uint8[i]<<16)+(uint8[i+1]<<8)+uint8[i+2];output.push(tripletToBase64(tmp))}return output.join("")}function fromByteArray(uint8){var tmp;var len=uint8.length;var extraBytes=len%3;var output="";var parts=[];var maxChunkLength=16383;for(var i=0,len2=len-extraBytes;i<len2;i+=maxChunkLength){parts.push(encodeChunk(uint8,i,i+maxChunkLength>len2?len2:i+maxChunkLength))}if(extraBytes===1){tmp=uint8[len-1];output+=lookup[tmp>>2];output+=lookup[tmp<<4&63];output+="=="}else if(extraBytes===2){tmp=(uint8[len-2]<<8)+uint8[len-1];output+=lookup[tmp>>10];output+=lookup[tmp>>4&63];output+=lookup[tmp<<2&63];output+="="}parts.push(output);return parts.join("")}},{}],4:[function(require,module,exports){},{}],5:[function(require,module,exports){(function(process,Buffer){"use strict";var assert=require("assert");var Zstream=require("pako/lib/zlib/zstream");var zlib_deflate=require("pako/lib/zlib/deflate.js");var zlib_inflate=require("pako/lib/zlib/inflate.js");var constants=require("pako/lib/zlib/constants");for(var key in constants){exports[key]=constants[key]}exports.NONE=0;exports.DEFLATE=1;exports.INFLATE=2;exports.GZIP=3;exports.GUNZIP=4;exports.DEFLATERAW=5;exports.INFLATERAW=6;exports.UNZIP=7;var GZIP_HEADER_ID1=31;var GZIP_HEADER_ID2=139;function Zlib(mode){if(typeof mode!=="number"||mode<exports.DEFLATE||mode>exports.UNZIP){throw new TypeError("Bad argument")}this.dictionary=null;this.err=0;this.flush=0;this.init_done=false;this.level=0;this.memLevel=0;this.mode=mode;this.strategy=0;this.windowBits=0;this.write_in_progress=false;this.pending_close=false;this.gzip_id_bytes_read=0}Zlib.prototype.close=function(){if(this.write_in_progress){this.pending_close=true;return}this.pending_close=false;assert(this.init_done,"close before init");assert(this.mode<=exports.UNZIP);if(this.mode===exports.DEFLATE||this.mode===exports.GZIP||this.mode===exports.DEFLATERAW){zlib_deflate.deflateEnd(this.strm)}else if(this.mode===exports.INFLATE||this.mode===exports.GUNZIP||this.mode===exports.INFLATERAW||this.mode===exports.UNZIP){zlib_inflate.inflateEnd(this.strm)}this.mode=exports.NONE;this.dictionary=null};Zlib.prototype.write=function(flush,input,in_off,in_len,out,out_off,out_len){return this._write(true,flush,input,in_off,in_len,out,out_off,out_len)};Zlib.prototype.writeSync=function(flush,input,in_off,in_len,out,out_off,out_len){return this._write(false,flush,input,in_off,in_len,out,out_off,out_len)};Zlib.prototype._write=function(async,flush,input,in_off,in_len,out,out_off,out_len){assert.equal(arguments.length,8);assert(this.init_done,"write before init");assert(this.mode!==exports.NONE,"already finalized");assert.equal(false,this.write_in_progress,"write already in progress");assert.equal(false,this.pending_close,"close is pending");this.write_in_progress=true;assert.equal(false,flush===undefined,"must provide flush value");this.write_in_progress=true;if(flush!==exports.Z_NO_FLUSH&&flush!==exports.Z_PARTIAL_FLUSH&&flush!==exports.Z_SYNC_FLUSH&&flush!==exports.Z_FULL_FLUSH&&flush!==exports.Z_FINISH&&flush!==exports.Z_BLOCK){throw new Error("Invalid flush value")}if(input==null){input=Buffer.alloc(0);in_len=0;in_off=0}this.strm.avail_in=in_len;this.strm.input=input;this.strm.next_in=in_off;this.strm.avail_out=out_len;this.strm.output=out;this.strm.next_out=out_off;this.flush=flush;if(!async){this._process();if(this._checkError()){return this._afterSync()}return}var self=this;process.nextTick(function(){self._process();self._after()});return this};Zlib.prototype._afterSync=function(){var avail_out=this.strm.avail_out;var avail_in=this.strm.avail_in;this.write_in_progress=false;return[avail_in,avail_out]};Zlib.prototype._process=function(){var next_expected_header_byte=null;switch(this.mode){case exports.DEFLATE:case exports.GZIP:case exports.DEFLATERAW:this.err=zlib_deflate.deflate(this.strm,this.flush);break;case exports.UNZIP:if(this.strm.avail_in>0){next_expected_header_byte=this.strm.next_in}switch(this.gzip_id_bytes_read){case 0:if(next_expected_header_byte===null){break}if(this.strm.input[next_expected_header_byte]===GZIP_HEADER_ID1){this.gzip_id_bytes_read=1;next_expected_header_byte++;if(this.strm.avail_in===1){break}}else{this.mode=exports.INFLATE;break}case 1:if(next_expected_header_byte===null){break}if(this.strm.input[next_expected_header_byte]===GZIP_HEADER_ID2){this.gzip_id_bytes_read=2;this.mode=exports.GUNZIP}else{this.mode=exports.INFLATE}break;default:throw new Error("invalid number of gzip magic number bytes read")}case exports.INFLATE:case exports.GUNZIP:case exports.INFLATERAW:this.err=zlib_inflate.inflate(this.strm,this.flush);if(this.err===exports.Z_NEED_DICT&&this.dictionary){this.err=zlib_inflate.inflateSetDictionary(this.strm,this.dictionary);if(this.err===exports.Z_OK){this.err=zlib_inflate.inflate(this.strm,this.flush)}else if(this.err===exports.Z_DATA_ERROR){this.err=exports.Z_NEED_DICT}}while(this.strm.avail_in>0&&this.mode===exports.GUNZIP&&this.err===exports.Z_STREAM_END&&this.strm.next_in[0]!==0){this.reset();this.err=zlib_inflate.inflate(this.strm,this.flush)}break;default:throw new Error("Unknown mode "+this.mode)}};Zlib.prototype._checkError=function(){switch(this.err){case exports.Z_OK:case exports.Z_BUF_ERROR:if(this.strm.avail_out!==0&&this.flush===exports.Z_FINISH){this._error("unexpected end of file");return false}break;case exports.Z_STREAM_END:break;case exports.Z_NEED_DICT:if(this.dictionary==null){this._error("Missing dictionary")}else{this._error("Bad dictionary")}return false;default:this._error("Zlib error");return false}return true};Zlib.prototype._after=function(){if(!this._checkError()){return}var avail_out=this.strm.avail_out;var avail_in=this.strm.avail_in;this.write_in_progress=false;this.callback(avail_in,avail_out);if(this.pending_close){this.close()}};Zlib.prototype._error=function(message){if(this.strm.msg){message=this.strm.msg}this.onerror(message,this.err);this.write_in_progress=false;if(this.pending_close){this.close()}};Zlib.prototype.init=function(windowBits,level,memLevel,strategy,dictionary){assert(arguments.length===4||arguments.length===5,"init(windowBits, level, memLevel, strategy, [dictionary])");assert(windowBits>=8&&windowBits<=15,"invalid windowBits");assert(level>=-1&&level<=9,"invalid compression level");assert(memLevel>=1&&memLevel<=9,"invalid memlevel");assert(strategy===exports.Z_FILTERED||strategy===exports.Z_HUFFMAN_ONLY||strategy===exports.Z_RLE||strategy===exports.Z_FIXED||strategy===exports.Z_DEFAULT_STRATEGY,"invalid strategy");this._init(level,windowBits,memLevel,strategy,dictionary);this._setDictionary()};Zlib.prototype.params=function(){throw new Error("deflateParams Not supported")};Zlib.prototype.reset=function(){this._reset();this._setDictionary()};Zlib.prototype._init=function(level,windowBits,memLevel,strategy,dictionary){this.level=level;this.windowBits=windowBits;this.memLevel=memLevel;this.strategy=strategy;this.flush=exports.Z_NO_FLUSH;this.err=exports.Z_OK;if(this.mode===exports.GZIP||this.mode===exports.GUNZIP){this.windowBits+=16}if(this.mode===exports.UNZIP){this.windowBits+=32}if(this.mode===exports.DEFLATERAW||this.mode===exports.INFLATERAW){this.windowBits=-1*this.windowBits}this.strm=new Zstream;switch(this.mode){case exports.DEFLATE:case exports.GZIP:case exports.DEFLATERAW:this.err=zlib_deflate.deflateInit2(this.strm,this.level,exports.Z_DEFLATED,this.windowBits,this.memLevel,this.strategy);break;case exports.INFLATE:case exports.GUNZIP:case exports.INFLATERAW:case exports.UNZIP:this.err=zlib_inflate.inflateInit2(this.strm,this.windowBits);break;default:throw new Error("Unknown mode "+this.mode)}if(this.err!==exports.Z_OK){this._error("Init error")}this.dictionary=dictionary;this.write_in_progress=false;this.init_done=true};Zlib.prototype._setDictionary=function(){if(this.dictionary==null){return}this.err=exports.Z_OK;switch(this.mode){case exports.DEFLATE:case exports.DEFLATERAW:this.err=zlib_deflate.deflateSetDictionary(this.strm,this.dictionary);break;default:break}if(this.err!==exports.Z_OK){this._error("Failed to set dictionary")}};Zlib.prototype._reset=function(){this.err=exports.Z_OK;switch(this.mode){case exports.DEFLATE:case exports.DEFLATERAW:case exports.GZIP:this.err=zlib_deflate.deflateReset(this.strm);break;case exports.INFLATE:case exports.INFLATERAW:case exports.GUNZIP:this.err=zlib_inflate.inflateReset(this.strm);break;default:break}if(this.err!==exports.Z_OK){this._error("Failed to reset stream")}};exports.Zlib=Zlib}).call(this,require("_process"),require("buffer").Buffer)},{_process:73,assert:2,buffer:7,"pako/lib/zlib/constants":41,"pako/lib/zlib/deflate.js":43,"pako/lib/zlib/inflate.js":45,"pako/lib/zlib/zstream":49}],6:[function(require,module,exports){(function(process){"use strict";var Buffer=require("buffer").Buffer;var Transform=require("stream").Transform;var binding=require("./binding");var util=require("util");var assert=require("assert").ok;var kMaxLength=require("buffer").kMaxLength;var kRangeErrorMessage="Cannot create final Buffer. It would be larger "+"than 0x"+kMaxLength.toString(16)+" bytes";binding.Z_MIN_WINDOWBITS=8;binding.Z_MAX_WINDOWBITS=15;binding.Z_DEFAULT_WINDOWBITS=15;binding.Z_MIN_CHUNK=64;binding.Z_MAX_CHUNK=Infinity;binding.Z_DEFAULT_CHUNK=16*1024;binding.Z_MIN_MEMLEVEL=1;binding.Z_MAX_MEMLEVEL=9;binding.Z_DEFAULT_MEMLEVEL=8;binding.Z_MIN_LEVEL=-1;binding.Z_MAX_LEVEL=9;binding.Z_DEFAULT_LEVEL=binding.Z_DEFAULT_COMPRESSION;var bkeys=Object.keys(binding);for(var bk=0;bk<bkeys.length;bk++){var bkey=bkeys[bk];if(bkey.match(/^Z/)){Object.defineProperty(exports,bkey,{enumerable:true,value:binding[bkey],writable:false})}}var codes={Z_OK:binding.Z_OK,Z_STREAM_END:binding.Z_STREAM_END,Z_NEED_DICT:binding.Z_NEED_DICT,Z_ERRNO:binding.Z_ERRNO,Z_STREAM_ERROR:binding.Z_STREAM_ERROR,Z_DATA_ERROR:binding.Z_DATA_ERROR,Z_MEM_ERROR:binding.Z_MEM_ERROR,Z_BUF_ERROR:binding.Z_BUF_ERROR,Z_VERSION_ERROR:binding.Z_VERSION_ERROR};var ckeys=Object.keys(codes);for(var ck=0;ck<ckeys.length;ck++){var ckey=ckeys[ck];codes[codes[ckey]]=ckey}Object.defineProperty(exports,"codes",{enumerable:true,value:Object.freeze(codes),writable:false});exports.Deflate=Deflate;exports.Inflate=Inflate;exports.Gzip=Gzip;exports.Gunzip=Gunzip;exports.DeflateRaw=DeflateRaw;exports.InflateRaw=InflateRaw;exports.Unzip=Unzip;exports.createDeflate=function(o){return new Deflate(o)};exports.createInflate=function(o){return new Inflate(o)};exports.createDeflateRaw=function(o){return new DeflateRaw(o)};exports.createInflateRaw=function(o){return new InflateRaw(o)};exports.createGzip=function(o){return new Gzip(o)};exports.createGunzip=function(o){return new Gunzip(o)};exports.createUnzip=function(o){return new Unzip(o)};exports.deflate=function(buffer,opts,callback){if(typeof opts==="function"){callback=opts;opts={}}return zlibBuffer(new Deflate(opts),buffer,callback)};exports.deflateSync=function(buffer,opts){return zlibBufferSync(new Deflate(opts),buffer)};exports.gzip=function(buffer,opts,callback){if(typeof opts==="function"){callback=opts;opts={}}return zlibBuffer(new Gzip(opts),buffer,callback)};exports.gzipSync=function(buffer,opts){return zlibBufferSync(new Gzip(opts),buffer)};exports.deflateRaw=function(buffer,opts,callback){if(typeof opts==="function"){callback=opts;opts={}}return zlibBuffer(new DeflateRaw(opts),buffer,callback)};exports.deflateRawSync=function(buffer,opts){return zlibBufferSync(new DeflateRaw(opts),buffer)};exports.unzip=function(buffer,opts,callback){if(typeof opts==="function"){callback=opts;opts={}}return zlibBuffer(new Unzip(opts),buffer,callback)};exports.unzipSync=function(buffer,opts){return zlibBufferSync(new Unzip(opts),buffer)};exports.inflate=function(buffer,opts,callback){if(typeof opts==="function"){callback=opts;opts={}}return zlibBuffer(new Inflate(opts),buffer,callback)};exports.inflateSync=function(buffer,opts){return zlibBufferSync(new Inflate(opts),buffer)};exports.gunzip=function(buffer,opts,callback){if(typeof opts==="function"){callback=opts;opts={}}return zlibBuffer(new Gunzip(opts),buffer,callback)};exports.gunzipSync=function(buffer,opts){return zlibBufferSync(new Gunzip(opts),buffer)};exports.inflateRaw=function(buffer,opts,callback){if(typeof opts==="function"){callback=opts;opts={}}return zlibBuffer(new InflateRaw(opts),buffer,callback)};exports.inflateRawSync=function(buffer,opts){return zlibBufferSync(new InflateRaw(opts),buffer)};function zlibBuffer(engine,buffer,callback){var buffers=[];var nread=0;engine.on("error",onError);engine.on("end",onEnd);engine.end(buffer);flow();function flow(){var chunk;while(null!==(chunk=engine.read())){buffers.push(chunk);nread+=chunk.length}engine.once("readable",flow)}function onError(err){engine.removeListener("end",onEnd);engine.removeListener("readable",flow);callback(err)}function onEnd(){var buf;var err=null;if(nread>=kMaxLength){err=new RangeError(kRangeErrorMessage)}else{buf=Buffer.concat(buffers,nread)}buffers=[];engine.close();callback(err,buf)}}function zlibBufferSync(engine,buffer){if(typeof buffer==="string")buffer=Buffer.from(buffer);if(!Buffer.isBuffer(buffer))throw new TypeError("Not a string or buffer");var flushFlag=engine._finishFlushFlag;return engine._processChunk(buffer,flushFlag)}function Deflate(opts){if(!(this instanceof Deflate))return new Deflate(opts);Zlib.call(this,opts,binding.DEFLATE)}function Inflate(opts){if(!(this instanceof Inflate))return new Inflate(opts);Zlib.call(this,opts,binding.INFLATE)}function Gzip(opts){if(!(this instanceof Gzip))return new Gzip(opts);Zlib.call(this,opts,binding.GZIP)}function Gunzip(opts){if(!(this instanceof Gunzip))return new Gunzip(opts);Zlib.call(this,opts,binding.GUNZIP)}function DeflateRaw(opts){if(!(this instanceof DeflateRaw))return new DeflateRaw(opts);Zlib.call(this,opts,binding.DEFLATERAW)}function InflateRaw(opts){if(!(this instanceof InflateRaw))return new InflateRaw(opts);Zlib.call(this,opts,binding.INFLATERAW)}function Unzip(opts){if(!(this instanceof Unzip))return new Unzip(opts);Zlib.call(this,opts,binding.UNZIP)}function isValidFlushFlag(flag){return flag===binding.Z_NO_FLUSH||flag===binding.Z_PARTIAL_FLUSH||flag===binding.Z_SYNC_FLUSH||flag===binding.Z_FULL_FLUSH||flag===binding.Z_FINISH||flag===binding.Z_BLOCK}function Zlib(opts,mode){var _this=this;this._opts=opts=opts||{};this._chunkSize=opts.chunkSize||exports.Z_DEFAULT_CHUNK;Transform.call(this,opts);if(opts.flush&&!isValidFlushFlag(opts.flush)){throw new Error("Invalid flush flag: "+opts.flush)}if(opts.finishFlush&&!isValidFlushFlag(opts.finishFlush)){throw new Error("Invalid flush flag: "+opts.finishFlush)}this._flushFlag=opts.flush||binding.Z_NO_FLUSH;this._finishFlushFlag=typeof opts.finishFlush!=="undefined"?opts.finishFlush:binding.Z_FINISH;if(opts.chunkSize){if(opts.chunkSize<exports.Z_MIN_CHUNK||opts.chunkSize>exports.Z_MAX_CHUNK){throw new Error("Invalid chunk size: "+opts.chunkSize)}}if(opts.windowBits){if(opts.windowBits<exports.Z_MIN_WINDOWBITS||opts.windowBits>exports.Z_MAX_WINDOWBITS){throw new Error("Invalid windowBits: "+opts.windowBits)}}if(opts.level){if(opts.level<exports.Z_MIN_LEVEL||opts.level>exports.Z_MAX_LEVEL){throw new Error("Invalid compression level: "+opts.level)}}if(opts.memLevel){if(opts.memLevel<exports.Z_MIN_MEMLEVEL||opts.memLevel>exports.Z_MAX_MEMLEVEL){throw new Error("Invalid memLevel: "+opts.memLevel)}}if(opts.strategy){if(opts.strategy!=exports.Z_FILTERED&&opts.strategy!=exports.Z_HUFFMAN_ONLY&&opts.strategy!=exports.Z_RLE&&opts.strategy!=exports.Z_FIXED&&opts.strategy!=exports.Z_DEFAULT_STRATEGY){throw new Error("Invalid strategy: "+opts.strategy)}}if(opts.dictionary){if(!Buffer.isBuffer(opts.dictionary)){throw new Error("Invalid dictionary: it should be a Buffer instance")}}this._handle=new binding.Zlib(mode);var self=this;this._hadError=false;this._handle.onerror=function(message,errno){_close(self);self._hadError=true;var error=new Error(message);error.errno=errno;error.code=exports.codes[errno];self.emit("error",error)};var level=exports.Z_DEFAULT_COMPRESSION;if(typeof opts.level==="number")level=opts.level;var strategy=exports.Z_DEFAULT_STRATEGY;if(typeof opts.strategy==="number")strategy=opts.strategy;this._handle.init(opts.windowBits||exports.Z_DEFAULT_WINDOWBITS,level,opts.memLevel||exports.Z_DEFAULT_MEMLEVEL,strategy,opts.dictionary);this._buffer=Buffer.allocUnsafe(this._chunkSize);this._offset=0;this._level=level;this._strategy=strategy;this.once("end",this.close);Object.defineProperty(this,"_closed",{get:function(){return!_this._handle},configurable:true,enumerable:true})}util.inherits(Zlib,Transform);Zlib.prototype.params=function(level,strategy,callback){if(level<exports.Z_MIN_LEVEL||level>exports.Z_MAX_LEVEL){throw new RangeError("Invalid compression level: "+level)}if(strategy!=exports.Z_FILTERED&&strategy!=exports.Z_HUFFMAN_ONLY&&strategy!=exports.Z_RLE&&strategy!=exports.Z_FIXED&&strategy!=exports.Z_DEFAULT_STRATEGY){throw new TypeError("Invalid strategy: "+strategy)}if(this._level!==level||this._strategy!==strategy){var self=this;this.flush(binding.Z_SYNC_FLUSH,function(){assert(self._handle,"zlib binding closed");self._handle.params(level,strategy);if(!self._hadError){self._level=level;self._strategy=strategy;if(callback)callback()}})}else{process.nextTick(callback)}};Zlib.prototype.reset=function(){assert(this._handle,"zlib binding closed");return this._handle.reset()};Zlib.prototype._flush=function(callback){this._transform(Buffer.alloc(0),"",callback)};Zlib.prototype.flush=function(kind,callback){var _this2=this;var ws=this._writableState;if(typeof kind==="function"||kind===undefined&&!callback){callback=kind;kind=binding.Z_FULL_FLUSH}if(ws.ended){if(callback)process.nextTick(callback)}else if(ws.ending){if(callback)this.once("end",callback)}else if(ws.needDrain){if(callback){this.once("drain",function(){return _this2.flush(kind,callback)})}}else{this._flushFlag=kind;this.write(Buffer.alloc(0),"",callback)}};Zlib.prototype.close=function(callback){_close(this,callback);process.nextTick(emitCloseNT,this)};function _close(engine,callback){if(callback)process.nextTick(callback);if(!engine._handle)return;engine._handle.close();engine._handle=null}function emitCloseNT(self){self.emit("close")}Zlib.prototype._transform=function(chunk,encoding,cb){var flushFlag;var ws=this._writableState;var ending=ws.ending||ws.ended;var last=ending&&(!chunk||ws.length===chunk.length);if(chunk!==null&&!Buffer.isBuffer(chunk))return cb(new Error("invalid input"));if(!this._handle)return cb(new Error("zlib binding closed"));if(last)flushFlag=this._finishFlushFlag;else{flushFlag=this._flushFlag;if(chunk.length>=ws.length){this._flushFlag=this._opts.flush||binding.Z_NO_FLUSH}}this._processChunk(chunk,flushFlag,cb)};Zlib.prototype._processChunk=function(chunk,flushFlag,cb){var availInBefore=chunk&&chunk.length;var availOutBefore=this._chunkSize-this._offset;var inOff=0;var self=this;var async=typeof cb==="function";if(!async){var buffers=[];var nread=0;var error;this.on("error",function(er){error=er});assert(this._handle,"zlib binding closed");do{var res=this._handle.writeSync(flushFlag,chunk,inOff,availInBefore,this._buffer,this._offset,availOutBefore)}while(!this._hadError&&callback(res[0],res[1]));if(this._hadError){throw error}if(nread>=kMaxLength){_close(this);throw new RangeError(kRangeErrorMessage)}var buf=Buffer.concat(buffers,nread);_close(this);return buf}assert(this._handle,"zlib binding closed");var req=this._handle.write(flushFlag,chunk,inOff,availInBefore,this._buffer,this._offset,availOutBefore);req.buffer=chunk;req.callback=callback;function callback(availInAfter,availOutAfter){if(this){this.buffer=null;this.callback=null}if(self._hadError)return;var have=availOutBefore-availOutAfter;assert(have>=0,"have should not go down");if(have>0){var out=self._buffer.slice(self._offset,self._offset+have);self._offset+=have;if(async){self.push(out)}else{buffers.push(out);nread+=out.length}}if(availOutAfter===0||self._offset>=self._chunkSize){availOutBefore=self._chunkSize;self._offset=0;self._buffer=Buffer.allocUnsafe(self._chunkSize)}if(availOutAfter===0){inOff+=availInBefore-availInAfter;availInBefore=availInAfter;if(!async)return true;var newReq=self._handle.write(flushFlag,chunk,inOff,availInBefore,self._buffer,self._offset,self._chunkSize);newReq.callback=callback;newReq.buffer=chunk;return}if(!async)return false;cb()}};util.inherits(Deflate,Zlib);util.inherits(Inflate,Zlib);util.inherits(Gzip,Zlib);util.inherits(Gunzip,Zlib);util.inherits(DeflateRaw,Zlib);util.inherits(InflateRaw,Zlib);util.inherits(Unzip,Zlib)}).call(this,require("_process"))},{"./binding":5,_process:73,assert:2,buffer:7,stream:82,util:104}],7:[function(require,module,exports){"use strict";var base64=require("base64-js");var ieee754=require("ieee754");exports.Buffer=Buffer;exports.SlowBuffer=SlowBuffer;exports.INSPECT_MAX_BYTES=50;var K_MAX_LENGTH=2147483647;exports.kMaxLength=K_MAX_LENGTH;Buffer.TYPED_ARRAY_SUPPORT=typedArraySupport();if(!Buffer.TYPED_ARRAY_SUPPORT&&typeof console!=="undefined"&&typeof console.error==="function"){console.error("This browser lacks typed array (Uint8Array) support which is required by "+"`buffer` v5.x. Use `buffer` v4.x if you require old browser support.")}function typedArraySupport(){try{var arr=new Uint8Array(1);arr.__proto__={__proto__:Uint8Array.prototype,foo:function(){return 42}};return arr.foo()===42}catch(e){return false}}function createBuffer(length){if(length>K_MAX_LENGTH){throw new RangeError("Invalid typed array length")}var buf=new Uint8Array(length);buf.__proto__=Buffer.prototype;return buf}function Buffer(arg,encodingOrOffset,length){if(typeof arg==="number"){if(typeof encodingOrOffset==="string"){throw new Error("If encoding is specified then the first argument must be a string")}return allocUnsafe(arg)}return from(arg,encodingOrOffset,length)}if(typeof Symbol!=="undefined"&&Symbol.species&&Buffer[Symbol.species]===Buffer){Object.defineProperty(Buffer,Symbol.species,{value:null,configurable:true,enumerable:false,writable:false})}Buffer.poolSize=8192;function from(value,encodingOrOffset,length){if(typeof value==="number"){throw new TypeError('"value" argument must not be a number')}if(value instanceof ArrayBuffer){return fromArrayBuffer(value,encodingOrOffset,length)}if(typeof value==="string"){return fromString(value,encodingOrOffset)}return fromObject(value)}Buffer.from=function(value,encodingOrOffset,length){return from(value,encodingOrOffset,length)};Buffer.prototype.__proto__=Uint8Array.prototype;Buffer.__proto__=Uint8Array;function assertSize(size){if(typeof size!=="number"){throw new TypeError('"size" argument must be a number')}else if(size<0){throw new RangeError('"size" argument must not be negative')}}function alloc(size,fill,encoding){assertSize(size);if(size<=0){return createBuffer(size)}if(fill!==undefined){return typeof encoding==="string"?createBuffer(size).fill(fill,encoding):createBuffer(size).fill(fill)}return createBuffer(size)}Buffer.alloc=function(size,fill,encoding){return alloc(size,fill,encoding)};function allocUnsafe(size){assertSize(size);return createBuffer(size<0?0:checked(size)|0)}Buffer.allocUnsafe=function(size){return allocUnsafe(size)};Buffer.allocUnsafeSlow=function(size){return allocUnsafe(size)};function fromString(string,encoding){if(typeof encoding!=="string"||encoding===""){encoding="utf8"}if(!Buffer.isEncoding(encoding)){throw new TypeError('"encoding" must be a valid string encoding')}var length=byteLength(string,encoding)|0;var buf=createBuffer(length);var actual=buf.write(string,encoding);if(actual!==length){buf=buf.slice(0,actual)}return buf}function fromArrayLike(array){var length=array.length<0?0:checked(array.length)|0;var buf=createBuffer(length);for(var i=0;i<length;i+=1){buf[i]=array[i]&255}return buf}function fromArrayBuffer(array,byteOffset,length){if(byteOffset<0||array.byteLength<byteOffset){throw new RangeError("'offset' is out of bounds")}if(array.byteLength<byteOffset+(length||0)){throw new RangeError("'length' is out of bounds")}var buf;if(byteOffset===undefined&&length===undefined){buf=new Uint8Array(array)}else if(length===undefined){buf=new Uint8Array(array,byteOffset)}else{buf=new Uint8Array(array,byteOffset,length)}buf.__proto__=Buffer.prototype;return buf}function fromObject(obj){if(Buffer.isBuffer(obj)){var len=checked(obj.length)|0;var buf=createBuffer(len);if(buf.length===0){return buf}obj.copy(buf,0,0,len);return buf}if(obj){if(isArrayBufferView(obj)||"length"in obj){if(typeof obj.length!=="number"||numberIsNaN(obj.length)){return createBuffer(0)}return fromArrayLike(obj)}if(obj.type==="Buffer"&&Array.isArray(obj.data)){return fromArrayLike(obj.data)}}throw new TypeError("First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.")}function checked(length){if(length>=K_MAX_LENGTH){throw new RangeError("Attempt to allocate Buffer larger than maximum "+"size: 0x"+K_MAX_LENGTH.toString(16)+" bytes")}return length|0}function SlowBuffer(length){if(+length!=length){length=0}return Buffer.alloc(+length)}Buffer.isBuffer=function isBuffer(b){return b!=null&&b._isBuffer===true};Buffer.compare=function compare(a,b){if(!Buffer.isBuffer(a)||!Buffer.isBuffer(b)){throw new TypeError("Arguments must be Buffers")}if(a===b)return 0;var x=a.length;var y=b.length;for(var i=0,len=Math.min(x,y);i<len;++i){if(a[i]!==b[i]){x=a[i];y=b[i];break}}if(x<y)return-1;if(y<x)return 1;return 0};Buffer.isEncoding=function isEncoding(encoding){switch(String(encoding).toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"latin1":case"binary":case"base64":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return true;default:return false}};Buffer.concat=function concat(list,length){if(!Array.isArray(list)){throw new TypeError('"list" argument must be an Array of Buffers')}if(list.length===0){return Buffer.alloc(0)}var i;if(length===undefined){length=0;for(i=0;i<list.length;++i){length+=list[i].length}}var buffer=Buffer.allocUnsafe(length);var pos=0;for(i=0;i<list.length;++i){var buf=list[i];if(!Buffer.isBuffer(buf)){throw new TypeError('"list" argument must be an Array of Buffers')}buf.copy(buffer,pos);pos+=buf.length}return buffer};function byteLength(string,encoding){if(Buffer.isBuffer(string)){return string.length}if(isArrayBufferView(string)||string instanceof ArrayBuffer){return string.byteLength}if(typeof string!=="string"){string=""+string}var len=string.length;if(len===0)return 0;var loweredCase=false;for(;;){switch(encoding){case"ascii":case"latin1":case"binary":return len;case"utf8":case"utf-8":case undefined:return utf8ToBytes(string).length;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return len*2;case"hex":return len>>>1;case"base64":return base64ToBytes(string).length;default:if(loweredCase)return utf8ToBytes(string).length;encoding=(""+encoding).toLowerCase();loweredCase=true}}}Buffer.byteLength=byteLength;function slowToString(encoding,start,end){var loweredCase=false;if(start===undefined||start<0){start=0}if(start>this.length){return""}if(end===undefined||end>this.length){end=this.length}if(end<=0){return""}end>>>=0;start>>>=0;if(end<=start){return""}if(!encoding)encoding="utf8";while(true){switch(encoding){case"hex":return hexSlice(this,start,end);case"utf8":case"utf-8":return utf8Slice(this,start,end);case"ascii":return asciiSlice(this,start,end);case"latin1":case"binary":return latin1Slice(this,start,end);case"base64":return base64Slice(this,start,end);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return utf16leSlice(this,start,end);default:if(loweredCase)throw new TypeError("Unknown encoding: "+encoding);encoding=(encoding+"").toLowerCase();loweredCase=true}}}Buffer.prototype._isBuffer=true;function swap(b,n,m){var i=b[n];b[n]=b[m];b[m]=i}Buffer.prototype.swap16=function swap16(){var len=this.length;if(len%2!==0){throw new RangeError("Buffer size must be a multiple of 16-bits")}for(var i=0;i<len;i+=2){swap(this,i,i+1)}return this};Buffer.prototype.swap32=function swap32(){var len=this.length;if(len%4!==0){throw new RangeError("Buffer size must be a multiple of 32-bits")}for(var i=0;i<len;i+=4){swap(this,i,i+3);swap(this,i+1,i+2)}return this};Buffer.prototype.swap64=function swap64(){var len=this.length;if(len%8!==0){throw new RangeError("Buffer size must be a multiple of 64-bits")}for(var i=0;i<len;i+=8){swap(this,i,i+7);swap(this,i+1,i+6);swap(this,i+2,i+5);swap(this,i+3,i+4)}return this};Buffer.prototype.toString=function toString(){var length=this.length;if(length===0)return"";if(arguments.length===0)return utf8Slice(this,0,length);return slowToString.apply(this,arguments)};Buffer.prototype.equals=function equals(b){if(!Buffer.isBuffer(b))throw new TypeError("Argument must be a Buffer");if(this===b)return true;return Buffer.compare(this,b)===0};Buffer.prototype.inspect=function inspect(){var str="";var max=exports.INSPECT_MAX_BYTES;if(this.length>0){str=this.toString("hex",0,max).match(/.{2}/g).join(" ");if(this.length>max)str+=" ... "}return"<Buffer "+str+">"};Buffer.prototype.compare=function compare(target,start,end,thisStart,thisEnd){if(!Buffer.isBuffer(target)){throw new TypeError("Argument must be a Buffer")}if(start===undefined){start=0}if(end===undefined){end=target?target.length:0}if(thisStart===undefined){thisStart=0}if(thisEnd===undefined){thisEnd=this.length}if(start<0||end>target.length||thisStart<0||thisEnd>this.length){throw new RangeError("out of range index")}if(thisStart>=thisEnd&&start>=end){return 0}if(thisStart>=thisEnd){return-1}if(start>=end){return 1}start>>>=0;end>>>=0;thisStart>>>=0;thisEnd>>>=0;if(this===target)return 0;var x=thisEnd-thisStart;var y=end-start;var len=Math.min(x,y);var thisCopy=this.slice(thisStart,thisEnd);var targetCopy=target.slice(start,end);for(var i=0;i<len;++i){if(thisCopy[i]!==targetCopy[i]){x=thisCopy[i];y=targetCopy[i];break}}if(x<y)return-1;if(y<x)return 1;return 0};function bidirectionalIndexOf(buffer,val,byteOffset,encoding,dir){if(buffer.length===0)return-1;if(typeof byteOffset==="string"){encoding=byteOffset;byteOffset=0}else if(byteOffset>2147483647){byteOffset=2147483647}else if(byteOffset<-2147483648){byteOffset=-2147483648}byteOffset=+byteOffset;if(numberIsNaN(byteOffset)){byteOffset=dir?0:buffer.length-1}if(byteOffset<0)byteOffset=buffer.length+byteOffset;if(byteOffset>=buffer.length){if(dir)return-1;else byteOffset=buffer.length-1}else if(byteOffset<0){if(dir)byteOffset=0;else return-1}if(typeof val==="string"){val=Buffer.from(val,encoding)}if(Buffer.isBuffer(val)){if(val.length===0){return-1}return arrayIndexOf(buffer,val,byteOffset,encoding,dir)}else if(typeof val==="number"){val=val&255;if(typeof Uint8Array.prototype.indexOf==="function"){if(dir){return Uint8Array.prototype.indexOf.call(buffer,val,byteOffset)}else{return Uint8Array.prototype.lastIndexOf.call(buffer,val,byteOffset)}}return arrayIndexOf(buffer,[val],byteOffset,encoding,dir)}throw new TypeError("val must be string, number or Buffer")}function arrayIndexOf(arr,val,byteOffset,encoding,dir){var indexSize=1;var arrLength=arr.length;var valLength=val.length;if(encoding!==undefined){encoding=String(encoding).toLowerCase();if(encoding==="ucs2"||encoding==="ucs-2"||encoding==="utf16le"||encoding==="utf-16le"){if(arr.length<2||val.length<2){return-1}indexSize=2;arrLength/=2;valLength/=2;byteOffset/=2}}function read(buf,i){if(indexSize===1){return buf[i]}else{return buf.readUInt16BE(i*indexSize)}}var i;if(dir){var foundIndex=-1;for(i=byteOffset;i<arrLength;i++){if(read(arr,i)===read(val,foundIndex===-1?0:i-foundIndex)){if(foundIndex===-1)foundIndex=i;if(i-foundIndex+1===valLength)return foundIndex*indexSize}else{if(foundIndex!==-1)i-=i-foundIndex;foundIndex=-1}}}else{if(byteOffset+valLength>arrLength)byteOffset=arrLength-valLength;for(i=byteOffset;i>=0;i--){var found=true;for(var j=0;j<valLength;j++){if(read(arr,i+j)!==read(val,j)){found=false;break}}if(found)return i}}return-1}Buffer.prototype.includes=function includes(val,byteOffset,encoding){return this.indexOf(val,byteOffset,encoding)!==-1};Buffer.prototype.indexOf=function indexOf(val,byteOffset,encoding){return bidirectionalIndexOf(this,val,byteOffset,encoding,true)};Buffer.prototype.lastIndexOf=function lastIndexOf(val,byteOffset,encoding){return bidirectionalIndexOf(this,val,byteOffset,encoding,false)};function hexWrite(buf,string,offset,length){offset=Number(offset)||0;var remaining=buf.length-offset;if(!length){length=remaining}else{length=Number(length);if(length>remaining){length=remaining}}var strLen=string.length;if(strLen%2!==0)throw new TypeError("Invalid hex string");if(length>strLen/2){length=strLen/2}for(var i=0;i<length;++i){var parsed=parseInt(string.substr(i*2,2),16);if(numberIsNaN(parsed))return i;buf[offset+i]=parsed}return i}function utf8Write(buf,string,offset,length){return blitBuffer(utf8ToBytes(string,buf.length-offset),buf,offset,length)}function asciiWrite(buf,string,offset,length){return blitBuffer(asciiToBytes(string),buf,offset,length)}function latin1Write(buf,string,offset,length){return asciiWrite(buf,string,offset,length)}function base64Write(buf,string,offset,length){return blitBuffer(base64ToBytes(string),buf,offset,length)}function ucs2Write(buf,string,offset,length){return blitBuffer(utf16leToBytes(string,buf.length-offset),buf,offset,length)}Buffer.prototype.write=function write(string,offset,length,encoding){if(offset===undefined){encoding="utf8";length=this.length;offset=0}else if(length===undefined&&typeof offset==="string"){encoding=offset;length=this.length;offset=0}else if(isFinite(offset)){offset=offset>>>0;if(isFinite(length)){length=length>>>0;if(encoding===undefined)encoding="utf8"}else{encoding=length;length=undefined}}else{throw new Error("Buffer.write(string, encoding, offset[, length]) is no longer supported")}var remaining=this.length-offset;if(length===undefined||length>remaining)length=remaining;if(string.length>0&&(length<0||offset<0)||offset>this.length){throw new RangeError("Attempt to write outside buffer bounds")}if(!encoding)encoding="utf8";var loweredCase=false;for(;;){switch(encoding){case"hex":return hexWrite(this,string,offset,length);case"utf8":case"utf-8":return utf8Write(this,string,offset,length);case"ascii":return asciiWrite(this,string,offset,length);case"latin1":case"binary":return latin1Write(this,string,offset,length);case"base64":return base64Write(this,string,offset,length);case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return ucs2Write(this,string,offset,length);default:if(loweredCase)throw new TypeError("Unknown encoding: "+encoding);encoding=(""+encoding).toLowerCase();loweredCase=true}}};Buffer.prototype.toJSON=function toJSON(){return{type:"Buffer",data:Array.prototype.slice.call(this._arr||this,0)}};function base64Slice(buf,start,end){if(start===0&&end===buf.length){return base64.fromByteArray(buf)}else{return base64.fromByteArray(buf.slice(start,end))}}function utf8Slice(buf,start,end){end=Math.min(buf.length,end);var res=[];var i=start;while(i<end){var firstByte=buf[i];var codePoint=null;var bytesPerSequence=firstByte>239?4:firstByte>223?3:firstByte>191?2:1;if(i+bytesPerSequence<=end){var secondByte,thirdByte,fourthByte,tempCodePoint;switch(bytesPerSequence){case 1:if(firstByte<128){codePoint=firstByte}break;case 2:secondByte=buf[i+1];if((secondByte&192)===128){tempCodePoint=(firstByte&31)<<6|secondByte&63;if(tempCodePoint>127){codePoint=tempCodePoint}}break;case 3:secondByte=buf[i+1];thirdByte=buf[i+2];if((secondByte&192)===128&&(thirdByte&192)===128){tempCodePoint=(firstByte&15)<<12|(secondByte&63)<<6|thirdByte&63;if(tempCodePoint>2047&&(tempCodePoint<55296||tempCodePoint>57343)){codePoint=tempCodePoint}}break;case 4:secondByte=buf[i+1];thirdByte=buf[i+2];fourthByte=buf[i+3];if((secondByte&192)===128&&(thirdByte&192)===128&&(fourthByte&192)===128){tempCodePoint=(firstByte&15)<<18|(secondByte&63)<<12|(thirdByte&63)<<6|fourthByte&63;if(tempCodePoint>65535&&tempCodePoint<1114112){codePoint=tempCodePoint}}}}if(codePoint===null){codePoint=65533;bytesPerSequence=1}else if(codePoint>65535){codePoint-=65536;res.push(codePoint>>>10&1023|55296);codePoint=56320|codePoint&1023}res.push(codePoint);i+=bytesPerSequence}return decodeCodePointsArray(res)}var MAX_ARGUMENTS_LENGTH=4096;function decodeCodePointsArray(codePoints){var len=codePoints.length;if(len<=MAX_ARGUMENTS_LENGTH){return String.fromCharCode.apply(String,codePoints)}var res="";var i=0;while(i<len){res+=String.fromCharCode.apply(String,codePoints.slice(i,i+=MAX_ARGUMENTS_LENGTH))}return res}function asciiSlice(buf,start,end){var ret="";end=Math.min(buf.length,end);for(var i=start;i<end;++i){ret+=String.fromCharCode(buf[i]&127)}return ret}function latin1Slice(buf,start,end){var ret="";end=Math.min(buf.length,end);for(var i=start;i<end;++i){ret+=String.fromCharCode(buf[i])}return ret}function hexSlice(buf,start,end){var len=buf.length;if(!start||start<0)start=0;if(!end||end<0||end>len)end=len;var out="";for(var i=start;i<end;++i){out+=toHex(buf[i])}return out}function utf16leSlice(buf,start,end){var bytes=buf.slice(start,end);var res="";for(var i=0;i<bytes.length;i+=2){res+=String.fromCharCode(bytes[i]+bytes[i+1]*256)}return res}Buffer.prototype.slice=function slice(start,end){var len=this.length;start=~~start;end=end===undefined?len:~~end;if(start<0){start+=len;if(start<0)start=0}else if(start>len){start=len}if(end<0){end+=len;if(end<0)end=0}else if(end>len){end=len}if(end<start)end=start;var newBuf=this.subarray(start,end);newBuf.__proto__=Buffer.prototype;return newBuf};function checkOffset(offset,ext,length){if(offset%1!==0||offset<0)throw new RangeError("offset is not uint");if(offset+ext>length)throw new RangeError("Trying to access beyond buffer length")}Buffer.prototype.readUIntLE=function readUIntLE(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkOffset(offset,byteLength,this.length);var val=this[offset];var mul=1;var i=0;while(++i<byteLength&&(mul*=256)){val+=this[offset+i]*mul}return val};Buffer.prototype.readUIntBE=function readUIntBE(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert){checkOffset(offset,byteLength,this.length)}var val=this[offset+--byteLength];var mul=1;while(byteLength>0&&(mul*=256)){val+=this[offset+--byteLength]*mul}return val};Buffer.prototype.readUInt8=function readUInt8(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,1,this.length);return this[offset]};Buffer.prototype.readUInt16LE=function readUInt16LE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,2,this.length);return this[offset]|this[offset+1]<<8};Buffer.prototype.readUInt16BE=function readUInt16BE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,2,this.length);return this[offset]<<8|this[offset+1]};Buffer.prototype.readUInt32LE=function readUInt32LE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,4,this.length);return(this[offset]|this[offset+1]<<8|this[offset+2]<<16)+this[offset+3]*16777216};Buffer.prototype.readUInt32BE=function readUInt32BE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,4,this.length);return this[offset]*16777216+(this[offset+1]<<16|this[offset+2]<<8|this[offset+3])};Buffer.prototype.readIntLE=function readIntLE(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkOffset(offset,byteLength,this.length);var val=this[offset];var mul=1;var i=0;while(++i<byteLength&&(mul*=256)){val+=this[offset+i]*mul}mul*=128;if(val>=mul)val-=Math.pow(2,8*byteLength);return val};Buffer.prototype.readIntBE=function readIntBE(offset,byteLength,noAssert){offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkOffset(offset,byteLength,this.length);var i=byteLength;var mul=1;var val=this[offset+--i];while(i>0&&(mul*=256)){val+=this[offset+--i]*mul}mul*=128;if(val>=mul)val-=Math.pow(2,8*byteLength);return val};Buffer.prototype.readInt8=function readInt8(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,1,this.length);if(!(this[offset]&128))return this[offset];return(255-this[offset]+1)*-1};Buffer.prototype.readInt16LE=function readInt16LE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,2,this.length);var val=this[offset]|this[offset+1]<<8;return val&32768?val|4294901760:val};Buffer.prototype.readInt16BE=function readInt16BE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,2,this.length);var val=this[offset+1]|this[offset]<<8;return val&32768?val|4294901760:val};Buffer.prototype.readInt32LE=function readInt32LE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,4,this.length);return this[offset]|this[offset+1]<<8|this[offset+2]<<16|this[offset+3]<<24};Buffer.prototype.readInt32BE=function readInt32BE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,4,this.length);return this[offset]<<24|this[offset+1]<<16|this[offset+2]<<8|this[offset+3]};Buffer.prototype.readFloatLE=function readFloatLE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,true,23,4)};Buffer.prototype.readFloatBE=function readFloatBE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,false,23,4)};Buffer.prototype.readDoubleLE=function readDoubleLE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,8,this.length);return ieee754.read(this,offset,true,52,8)};Buffer.prototype.readDoubleBE=function readDoubleBE(offset,noAssert){offset=offset>>>0;if(!noAssert)checkOffset(offset,8,this.length);return ieee754.read(this,offset,false,52,8)};function checkInt(buf,value,offset,ext,max,min){if(!Buffer.isBuffer(buf))throw new TypeError('"buffer" argument must be a Buffer instance');if(value>max||value<min)throw new RangeError('"value" argument is out of bounds');if(offset+ext>buf.length)throw new RangeError("Index out of range")}Buffer.prototype.writeUIntLE=function writeUIntLE(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert){var maxBytes=Math.pow(2,8*byteLength)-1;checkInt(this,value,offset,byteLength,maxBytes,0)}var mul=1;var i=0;this[offset]=value&255;while(++i<byteLength&&(mul*=256)){this[offset+i]=value/mul&255}return offset+byteLength};Buffer.prototype.writeUIntBE=function writeUIntBE(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert){var maxBytes=Math.pow(2,8*byteLength)-1;checkInt(this,value,offset,byteLength,maxBytes,0)}var i=byteLength-1;var mul=1;this[offset+i]=value&255;while(--i>=0&&(mul*=256)){this[offset+i]=value/mul&255}return offset+byteLength};Buffer.prototype.writeUInt8=function writeUInt8(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,1,255,0);this[offset]=value&255;return offset+1};Buffer.prototype.writeUInt16LE=function writeUInt16LE(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,65535,0);this[offset]=value&255;this[offset+1]=value>>>8;return offset+2};Buffer.prototype.writeUInt16BE=function writeUInt16BE(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,65535,0);this[offset]=value>>>8;this[offset+1]=value&255;return offset+2};Buffer.prototype.writeUInt32LE=function writeUInt32LE(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,4294967295,0);this[offset+3]=value>>>24;this[offset+2]=value>>>16;this[offset+1]=value>>>8;this[offset]=value&255;return offset+4};Buffer.prototype.writeUInt32BE=function writeUInt32BE(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,4294967295,0);this[offset]=value>>>24;this[offset+1]=value>>>16;this[offset+2]=value>>>8;this[offset+3]=value&255;return offset+4};Buffer.prototype.writeIntLE=function writeIntLE(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;if(!noAssert){var limit=Math.pow(2,8*byteLength-1);checkInt(this,value,offset,byteLength,limit-1,-limit)}var i=0;var mul=1;var sub=0;this[offset]=value&255;while(++i<byteLength&&(mul*=256)){if(value<0&&sub===0&&this[offset+i-1]!==0){sub=1}this[offset+i]=(value/mul>>0)-sub&255}return offset+byteLength};Buffer.prototype.writeIntBE=function writeIntBE(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;if(!noAssert){var limit=Math.pow(2,8*byteLength-1);checkInt(this,value,offset,byteLength,limit-1,-limit)}var i=byteLength-1;var mul=1;var sub=0;this[offset+i]=value&255;while(--i>=0&&(mul*=256)){if(value<0&&sub===0&&this[offset+i+1]!==0){sub=1}this[offset+i]=(value/mul>>0)-sub&255}return offset+byteLength};Buffer.prototype.writeInt8=function writeInt8(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,1,127,-128);if(value<0)value=255+value+1;this[offset]=value&255;return offset+1};Buffer.prototype.writeInt16LE=function writeInt16LE(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,32767,-32768);this[offset]=value&255;this[offset+1]=value>>>8;return offset+2};Buffer.prototype.writeInt16BE=function writeInt16BE(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,2,32767,-32768);this[offset]=value>>>8;this[offset+1]=value&255;return offset+2};Buffer.prototype.writeInt32LE=function writeInt32LE(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,2147483647,-2147483648);this[offset]=value&255;this[offset+1]=value>>>8;this[offset+2]=value>>>16;this[offset+3]=value>>>24;return offset+4};Buffer.prototype.writeInt32BE=function writeInt32BE(value,offset,noAssert){value=+value;offset=offset>>>0;if(!noAssert)checkInt(this,value,offset,4,2147483647,-2147483648);if(value<0)value=4294967295+value+1;this[offset]=value>>>24;this[offset+1]=value>>>16;this[offset+2]=value>>>8;this[offset+3]=value&255;return offset+4};function checkIEEE754(buf,value,offset,ext,max,min){if(offset+ext>buf.length)throw new RangeError("Index out of range");if(offset<0)throw new RangeError("Index out of range")}function writeFloat(buf,value,offset,littleEndian,noAssert){value=+value;offset=offset>>>0;if(!noAssert){checkIEEE754(buf,value,offset,4,3.4028234663852886e38,-3.4028234663852886e38)}ieee754.write(buf,value,offset,littleEndian,23,4);return offset+4}Buffer.prototype.writeFloatLE=function writeFloatLE(value,offset,noAssert){return writeFloat(this,value,offset,true,noAssert)};Buffer.prototype.writeFloatBE=function writeFloatBE(value,offset,noAssert){return writeFloat(this,value,offset,false,noAssert)};function writeDouble(buf,value,offset,littleEndian,noAssert){value=+value;offset=offset>>>0;if(!noAssert){checkIEEE754(buf,value,offset,8,1.7976931348623157e308,-1.7976931348623157e308)}ieee754.write(buf,value,offset,littleEndian,52,8);return offset+8}Buffer.prototype.writeDoubleLE=function writeDoubleLE(value,offset,noAssert){return writeDouble(this,value,offset,true,noAssert)};Buffer.prototype.writeDoubleBE=function writeDoubleBE(value,offset,noAssert){return writeDouble(this,value,offset,false,noAssert)};Buffer.prototype.copy=function copy(target,targetStart,start,end){if(!start)start=0;if(!end&&end!==0)end=this.length;if(targetStart>=target.length)targetStart=target.length;if(!targetStart)targetStart=0;if(end>0&&end<start)end=start;if(end===start)return 0;if(target.length===0||this.length===0)return 0;if(targetStart<0){throw new RangeError("targetStart out of bounds")}if(start<0||start>=this.length)throw new RangeError("sourceStart out of bounds");if(end<0)throw new RangeError("sourceEnd out of bounds");if(end>this.length)end=this.length;if(target.length-targetStart<end-start){end=target.length-targetStart+start}var len=end-start;var i;if(this===target&&start<targetStart&&targetStart<end){for(i=len-1;i>=0;--i){target[i+targetStart]=this[i+start]}}else if(len<1e3){for(i=0;i<len;++i){target[i+targetStart]=this[i+start]}}else{Uint8Array.prototype.set.call(target,this.subarray(start,start+len),targetStart)}return len};Buffer.prototype.fill=function fill(val,start,end,encoding){if(typeof val==="string"){if(typeof start==="string"){encoding=start;start=0;end=this.length}else if(typeof end==="string"){encoding=end;end=this.length}if(val.length===1){var code=val.charCodeAt(0);if(code<256){val=code}}if(encoding!==undefined&&typeof encoding!=="string"){throw new TypeError("encoding must be a string")}if(typeof encoding==="string"&&!Buffer.isEncoding(encoding)){throw new TypeError("Unknown encoding: "+encoding)}}else if(typeof val==="number"){val=val&255}if(start<0||this.length<start||this.length<end){throw new RangeError("Out of range index")}if(end<=start){return this}start=start>>>0;end=end===undefined?this.length:end>>>0;if(!val)val=0;var i;if(typeof val==="number"){for(i=start;i<end;++i){this[i]=val}}else{var bytes=Buffer.isBuffer(val)?val:new Buffer(val,encoding);var len=bytes.length;for(i=0;i<end-start;++i){this[i+start]=bytes[i%len]}}return this};var INVALID_BASE64_RE=/[^+/0-9A-Za-z-_]/g;function base64clean(str){str=str.trim().replace(INVALID_BASE64_RE,"");if(str.length<2)return"";while(str.length%4!==0){str=str+"="}return str}function toHex(n){if(n<16)return"0"+n.toString(16);return n.toString(16)}function utf8ToBytes(string,units){units=units||Infinity;var codePoint;var length=string.length;var leadSurrogate=null;var bytes=[];for(var i=0;i<length;++i){codePoint=string.charCodeAt(i);if(codePoint>55295&&codePoint<57344){if(!leadSurrogate){if(codePoint>56319){if((units-=3)>-1)bytes.push(239,191,189);continue}else if(i+1===length){if((units-=3)>-1)bytes.push(239,191,189);continue}leadSurrogate=codePoint;continue}if(codePoint<56320){if((units-=3)>-1)bytes.push(239,191,189);leadSurrogate=codePoint;continue}codePoint=(leadSurrogate-55296<<10|codePoint-56320)+65536}else if(leadSurrogate){if((units-=3)>-1)bytes.push(239,191,189)}leadSurrogate=null;if(codePoint<128){if((units-=1)<0)break;bytes.push(codePoint)}else if(codePoint<2048){if((units-=2)<0)break;bytes.push(codePoint>>6|192,codePoint&63|128)}else if(codePoint<65536){if((units-=3)<0)break;bytes.push(codePoint>>12|224,codePoint>>6&63|128,codePoint&63|128)}else if(codePoint<1114112){if((units-=4)<0)break;bytes.push(codePoint>>18|240,codePoint>>12&63|128,codePoint>>6&63|128,codePoint&63|128)}else{throw new Error("Invalid code point")}}return bytes}function asciiToBytes(str){var byteArray=[];for(var i=0;i<str.length;++i){byteArray.push(str.charCodeAt(i)&255)}return byteArray}function utf16leToBytes(str,units){var c,hi,lo;var byteArray=[];for(var i=0;i<str.length;++i){if((units-=2)<0)break;c=str.charCodeAt(i);hi=c>>8;lo=c%256;byteArray.push(lo);byteArray.push(hi)}return byteArray}function base64ToBytes(str){return base64.toByteArray(base64clean(str))}function blitBuffer(src,dst,offset,length){for(var i=0;i<length;++i){if(i+offset>=dst.length||i>=src.length)break;dst[i+offset]=src[i]}return i}function isArrayBufferView(obj){return typeof ArrayBuffer.isView==="function"&&ArrayBuffer.isView(obj)}function numberIsNaN(obj){return obj!==obj}},{"base64-js":3,ieee754:25}],8:[function(require,module,exports){(function(Buffer){"use strict";var Readable=require("readable-stream").Readable;var util=require("util");module.exports=ContentStream;function ContentStream(obj,options){if(!(this instanceof ContentStream)){return new ContentStream(obj,options)}Readable.call(this,options);if(obj===null||obj===undefined){obj=String(obj)}this._obj=obj}util.inherits(ContentStream,Readable);ContentStream.prototype._read=function(n){var obj=this._obj;if(typeof obj==="string"){this.push(new Buffer(obj))}else if(Buffer.isBuffer(obj)){this.push(obj)}else{this.push(new Buffer(JSON.stringify(obj)))}this.push(null)}}).call(this,require("buffer").Buffer)},{buffer:7,"readable-stream":79,util:104}],9:[function(require,module,exports){(function(Buffer){function isArray(arg){if(Array.isArray){return Array.isArray(arg)}return objectToString(arg)==="[object Array]"}exports.isArray=isArray;function isBoolean(arg){return typeof arg==="boolean"}exports.isBoolean=isBoolean;function isNull(arg){return arg===null}exports.isNull=isNull;function isNullOrUndefined(arg){return arg==null}exports.isNullOrUndefined=isNullOrUndefined;function isNumber(arg){return typeof arg==="number"}exports.isNumber=isNumber;function isString(arg){return typeof arg==="string"}exports.isString=isString;function isSymbol(arg){return typeof arg==="symbol"}exports.isSymbol=isSymbol;function isUndefined(arg){return arg===void 0}exports.isUndefined=isUndefined;function isRegExp(re){return objectToString(re)==="[object RegExp]"}exports.isRegExp=isRegExp;function isObject(arg){return typeof arg==="object"&&arg!==null}exports.isObject=isObject;function isDate(d){return objectToString(d)==="[object Date]"}exports.isDate=isDate;function isError(e){return objectToString(e)==="[object Error]"||e instanceof Error}exports.isError=isError;function isFunction(arg){return typeof arg==="function"}exports.isFunction=isFunction;function isPrimitive(arg){return arg===null||typeof arg==="boolean"||typeof arg==="number"||typeof arg==="string"||typeof arg==="symbol"||typeof arg==="undefined"}exports.isPrimitive=isPrimitive;exports.isBuffer=Buffer.isBuffer;function objectToString(o){return Object.prototype.toString.call(o)}}).call(this,{isBuffer:require("../../is-buffer/index.js")})},{"../../is-buffer/index.js":28}],10:[function(require,module,exports){"use strict";var createThunk=require("./lib/thunk.js");function Procedure(){this.argTypes=[];this.shimArgs=[];this.arrayArgs=[];this.arrayBlockIndices=[];this.scalarArgs=[];this.offsetArgs=[];this.offsetArgIndex=[];this.indexArgs=[];this.shapeArgs=[];this.funcName="";this.pre=null;this.body=null;this.post=null;this.debug=false}function compileCwise(user_args){var proc=new Procedure;proc.pre=user_args.pre;proc.body=user_args.body;proc.post=user_args.post;var proc_args=user_args.args.slice(0);proc.argTypes=proc_args;for(var i=0;i<proc_args.length;++i){var arg_type=proc_args[i];if(arg_type==="array"||typeof arg_type==="object"&&arg_type.blockIndices){proc.argTypes[i]="array";proc.arrayArgs.push(i);proc.arrayBlockIndices.push(arg_type.blockIndices?arg_type.blockIndices:0);proc.shimArgs.push("array"+i);if(i<proc.pre.args.length&&proc.pre.args[i].count>0){throw new Error("cwise: pre() block may not reference array args")}if(i<proc.post.args.length&&proc.post.args[i].count>0){throw new Error("cwise: post() block may not reference array args")}}else if(arg_type==="scalar"){proc.scalarArgs.push(i);proc.shimArgs.push("scalar"+i)}else if(arg_type==="index"){proc.indexArgs.push(i);if(i<proc.pre.args.length&&proc.pre.args[i].count>0){throw new Error("cwise: pre() block may not reference array index")}if(i<proc.body.args.length&&proc.body.args[i].lvalue){throw new Error("cwise: body() block may not write to array index")}if(i<proc.post.args.length&&proc.post.args[i].count>0){throw new Error("cwise: post() block may not reference array index")}}else if(arg_type==="shape"){proc.shapeArgs.push(i);if(i<proc.pre.args.length&&proc.pre.args[i].lvalue){throw new Error("cwise: pre() block may not write to array shape")}if(i<proc.body.args.length&&proc.body.args[i].lvalue){throw new Error("cwise: body() block may not write to array shape")}if(i<proc.post.args.length&&proc.post.args[i].lvalue){throw new Error("cwise: post() block may not write to array shape")}}else if(typeof arg_type==="object"&&arg_type.offset){proc.argTypes[i]="offset";proc.offsetArgs.push({array:arg_type.array,offset:arg_type.offset});proc.offsetArgIndex.push(i)}else{throw new Error("cwise: Unknown argument type "+proc_args[i])}}if(proc.arrayArgs.length<=0){throw new Error("cwise: No array arguments specified")}if(proc.pre.args.length>proc_args.length){throw new Error("cwise: Too many arguments in pre() block")}if(proc.body.args.length>proc_args.length){throw new Error("cwise: Too many arguments in body() block")}if(proc.post.args.length>proc_args.length){throw new Error("cwise: Too many arguments in post() block")}proc.debug=!!user_args.printCode||!!user_args.debug;proc.funcName=user_args.funcName||"cwise";proc.blockSize=user_args.blockSize||64;return createThunk(proc)}module.exports=compileCwise},{"./lib/thunk.js":12}],11:[function(require,module,exports){"use strict";var uniq=require("uniq");function innerFill(order,proc,body){var dimension=order.length,nargs=proc.arrayArgs.length,has_index=proc.indexArgs.length>0,code=[],vars=[],idx=0,pidx=0,i,j;for(i=0;i<dimension;++i){vars.push(["i",i,"=0"].join(""))}for(j=0;j<nargs;++j){for(i=0;i<dimension;++i){pidx=idx;idx=order[i];if(i===0){vars.push(["d",j,"s",i,"=t",j,"p",idx].join(""))}else{vars.push(["d",j,"s",i,"=(t",j,"p",idx,"-s",pidx,"*t",j,"p",pidx,")"].join(""))}}}if(vars.length>0){code.push("var "+vars.join(","))}for(i=dimension-1;i>=0;--i){idx=order[i];code.push(["for(i",i,"=0;i",i,"<s",idx,";++i",i,"){"].join(""))}code.push(body);for(i=0;i<dimension;++i){pidx=idx;idx=order[i];for(j=0;j<nargs;++j){code.push(["p",j,"+=d",j,"s",i].join(""))}if(has_index){if(i>0){code.push(["index[",pidx,"]-=s",pidx].join(""))}code.push(["++index[",idx,"]"].join(""))}code.push("}")}return code.join("\n")}function outerFill(matched,order,proc,body){var dimension=order.length,nargs=proc.arrayArgs.length,blockSize=proc.blockSize,has_index=proc.indexArgs.length>0,code=[];for(var i=0;i<nargs;++i){code.push(["var offset",i,"=p",i].join(""))}for(var i=matched;i<dimension;++i){code.push(["for(var j"+i+"=SS[",order[i],"]|0;j",i,">0;){"].join(""));code.push(["if(j",i,"<",blockSize,"){"].join(""));code.push(["s",order[i],"=j",i].join(""));code.push(["j",i,"=0"].join(""));code.push(["}else{s",order[i],"=",blockSize].join(""));code.push(["j",i,"-=",blockSize,"}"].join(""));if(has_index){code.push(["index[",order[i],"]=j",i].join(""))}}for(var i=0;i<nargs;++i){var indexStr=["offset"+i];for(var j=matched;j<dimension;++j){indexStr.push(["j",j,"*t",i,"p",order[j]].join(""))}code.push(["p",i,"=(",indexStr.join("+"),")"].join(""))}code.push(innerFill(order,proc,body));for(var i=matched;i<dimension;++i){code.push("}")}return code.join("\n")}function countMatches(orders){var matched=0,dimension=orders[0].length;while(matched<dimension){for(var j=1;j<orders.length;++j){if(orders[j][matched]!==orders[0][matched]){return matched}}++matched}return matched}function processBlock(block,proc,dtypes){var code=block.body;var pre=[];var post=[];for(var i=0;i<block.args.length;++i){var carg=block.args[i];if(carg.count<=0){continue}var re=new RegExp(carg.name,"g");var ptrStr="";var arrNum=proc.arrayArgs.indexOf(i);switch(proc.argTypes[i]){case"offset":var offArgIndex=proc.offsetArgIndex.indexOf(i);var offArg=proc.offsetArgs[offArgIndex];arrNum=offArg.array;ptrStr="+q"+offArgIndex;case"array":ptrStr="p"+arrNum+ptrStr;var localStr="l"+i;var arrStr="a"+arrNum;if(proc.arrayBlockIndices[arrNum]===0){if(carg.count===1){if(dtypes[arrNum]==="generic"){if(carg.lvalue){pre.push(["var ",localStr,"=",arrStr,".get(",ptrStr,")"].join(""));code=code.replace(re,localStr);post.push([arrStr,".set(",ptrStr,",",localStr,")"].join(""))}else{code=code.replace(re,[arrStr,".get(",ptrStr,")"].join(""))}}else{code=code.replace(re,[arrStr,"[",ptrStr,"]"].join(""))}}else if(dtypes[arrNum]==="generic"){pre.push(["var ",localStr,"=",arrStr,".get(",ptrStr,")"].join(""));code=code.replace(re,localStr);if(carg.lvalue){post.push([arrStr,".set(",ptrStr,",",localStr,")"].join(""))}}else{pre.push(["var ",localStr,"=",arrStr,"[",ptrStr,"]"].join(""));code=code.replace(re,localStr);if(carg.lvalue){post.push([arrStr,"[",ptrStr,"]=",localStr].join(""))}}}else{var reStrArr=[carg.name],ptrStrArr=[ptrStr];for(var j=0;j<Math.abs(proc.arrayBlockIndices[arrNum]);j++){reStrArr.push("\\s*\\[([^\\]]+)\\]");ptrStrArr.push("$"+(j+1)+"*t"+arrNum+"b"+j)}re=new RegExp(reStrArr.join(""),"g");ptrStr=ptrStrArr.join("+");if(dtypes[arrNum]==="generic"){throw new Error("cwise: Generic arrays not supported in combination with blocks!")}else{code=code.replace(re,[arrStr,"[",ptrStr,"]"].join(""))}}break;case"scalar":code=code.replace(re,"Y"+proc.scalarArgs.indexOf(i));break;case"index":code=code.replace(re,"index");break;case"shape":code=code.replace(re,"shape");break}}return[pre.join("\n"),code,post.join("\n")].join("\n").trim()}function typeSummary(dtypes){var summary=new Array(dtypes.length);var allEqual=true;for(var i=0;i<dtypes.length;++i){var t=dtypes[i];var digits=t.match(/\d+/);if(!digits){digits=""}else{digits=digits[0]}if(t.charAt(0)===0){summary[i]="u"+t.charAt(1)+digits}else{summary[i]=t.charAt(0)+digits}if(i>0){allEqual=allEqual&&summary[i]===summary[i-1]}}if(allEqual){return summary[0]}return summary.join("")}function generateCWiseOp(proc,typesig){var dimension=typesig[1].length-Math.abs(proc.arrayBlockIndices[0])|0;var orders=new Array(proc.arrayArgs.length);var dtypes=new Array(proc.arrayArgs.length);for(var i=0;i<proc.arrayArgs.length;++i){dtypes[i]=typesig[2*i];orders[i]=typesig[2*i+1]}var blockBegin=[],blockEnd=[];var loopBegin=[],loopEnd=[];var loopOrders=[];for(var i=0;i<proc.arrayArgs.length;++i){if(proc.arrayBlockIndices[i]<0){loopBegin.push(0);loopEnd.push(dimension);blockBegin.push(dimension);blockEnd.push(dimension+proc.arrayBlockIndices[i])}else{loopBegin.push(proc.arrayBlockIndices[i]);loopEnd.push(proc.arrayBlockIndices[i]+dimension);blockBegin.push(0);blockEnd.push(proc.arrayBlockIndices[i])}var newOrder=[];for(var j=0;j<orders[i].length;j++){if(loopBegin[i]<=orders[i][j]&&orders[i][j]<loopEnd[i]){newOrder.push(orders[i][j]-loopBegin[i])}}loopOrders.push(newOrder)}var arglist=["SS"];var code=["'use strict'"];var vars=[];for(var j=0;j<dimension;++j){vars.push(["s",j,"=SS[",j,"]"].join(""))}for(var i=0;i<proc.arrayArgs.length;++i){arglist.push("a"+i);arglist.push("t"+i);arglist.push("p"+i);for(var j=0;j<dimension;++j){vars.push(["t",i,"p",j,"=t",i,"[",loopBegin[i]+j,"]"].join(""))}for(var j=0;j<Math.abs(proc.arrayBlockIndices[i]);++j){vars.push(["t",i,"b",j,"=t",i,"[",blockBegin[i]+j,"]"].join(""))}}for(var i=0;i<proc.scalarArgs.length;++i){arglist.push("Y"+i)}if(proc.shapeArgs.length>0){vars.push("shape=SS.slice(0)")}if(proc.indexArgs.length>0){var zeros=new Array(dimension);for(var i=0;i<dimension;++i){zeros[i]="0"}vars.push(["index=[",zeros.join(","),"]"].join(""))}for(var i=0;i<proc.offsetArgs.length;++i){var off_arg=proc.offsetArgs[i];var init_string=[];for(var j=0;j<off_arg.offset.length;++j){if(off_arg.offset[j]===0){continue}else if(off_arg.offset[j]===1){init_string.push(["t",off_arg.array,"p",j].join(""))}else{init_string.push([off_arg.offset[j],"*t",off_arg.array,"p",j].join(""))}}if(init_string.length===0){vars.push("q"+i+"=0")}else{vars.push(["q",i,"=",init_string.join("+")].join(""))}}var thisVars=uniq([].concat(proc.pre.thisVars).concat(proc.body.thisVars).concat(proc.post.thisVars));vars=vars.concat(thisVars);if(vars.length>0){code.push("var "+vars.join(","))}for(var i=0;i<proc.arrayArgs.length;++i){code.push("p"+i+"|=0")}if(proc.pre.body.length>3){code.push(processBlock(proc.pre,proc,dtypes))}var body=processBlock(proc.body,proc,dtypes);var matched=countMatches(loopOrders);if(matched<dimension){code.push(outerFill(matched,loopOrders[0],proc,body))}else{code.push(innerFill(loopOrders[0],proc,body))}if(proc.post.body.length>3){code.push(processBlock(proc.post,proc,dtypes))}if(proc.debug){console.log("-----Generated cwise routine for ",typesig,":\n"+code.join("\n")+"\n----------")}var loopName=[proc.funcName||"unnamed","_cwise_loop_",orders[0].join("s"),"m",matched,typeSummary(dtypes)].join("");var f=new Function(["function ",loopName,"(",arglist.join(","),"){",code.join("\n"),"} return ",loopName].join(""));return f()}module.exports=generateCWiseOp},{uniq:100}],12:[function(require,module,exports){"use strict";var compile=require("./compile.js");function createThunk(proc){var code=["'use strict'","var CACHED={}"];var vars=[];var thunkName=proc.funcName+"_cwise_thunk";code.push(["return function ",thunkName,"(",proc.shimArgs.join(","),"){"].join(""));var typesig=[];var string_typesig=[];var proc_args=[["array",proc.arrayArgs[0],".shape.slice(",Math.max(0,proc.arrayBlockIndices[0]),proc.arrayBlockIndices[0]<0?","+proc.arrayBlockIndices[0]+")":")"].join("")];var shapeLengthConditions=[],shapeConditions=[];for(var i=0;i<proc.arrayArgs.length;++i){var j=proc.arrayArgs[i];vars.push(["t",j,"=array",j,".dtype,","r",j,"=array",j,".order"].join(""));typesig.push("t"+j);typesig.push("r"+j);string_typesig.push("t"+j);string_typesig.push("r"+j+".join()");proc_args.push("array"+j+".data");proc_args.push("array"+j+".stride");proc_args.push("array"+j+".offset|0");if(i>0){shapeLengthConditions.push("array"+proc.arrayArgs[0]+".shape.length===array"+j+".shape.length+"+(Math.abs(proc.arrayBlockIndices[0])-Math.abs(proc.arrayBlockIndices[i])));shapeConditions.push("array"+proc.arrayArgs[0]+".shape[shapeIndex+"+Math.max(0,proc.arrayBlockIndices[0])+"]===array"+j+".shape[shapeIndex+"+Math.max(0,proc.arrayBlockIndices[i])+"]")}}if(proc.arrayArgs.length>1){code.push("if (!("+shapeLengthConditions.join(" && ")+")) throw new Error('cwise: Arrays do not all have the same dimensionality!')");code.push("for(var shapeIndex=array"+proc.arrayArgs[0]+".shape.length-"+Math.abs(proc.arrayBlockIndices[0])+"; shapeIndex--\x3e0;) {");code.push("if (!("+shapeConditions.join(" && ")+")) throw new Error('cwise: Arrays do not all have the same shape!')");code.push("}")}for(var i=0;i<proc.scalarArgs.length;++i){proc_args.push("scalar"+proc.scalarArgs[i])}vars.push(["type=[",string_typesig.join(","),"].join()"].join(""));vars.push("proc=CACHED[type]");code.push("var "+vars.join(","));code.push(["if(!proc){","CACHED[type]=proc=compile([",typesig.join(","),"])}","return proc(",proc_args.join(","),")}"].join(""));if(proc.debug){console.log("-----Generated thunk:\n"+code.join("\n")+"\n----------")}var thunk=new Function("compile",code.join("\n"));return thunk(compile.bind(undefined,proc))}module.exports=createThunk},{"./compile.js":11}],13:[function(require,module,exports){(function(Buffer){module.exports=dataUriToBuffer;function dataUriToBuffer(uri){if(!/^data\:/i.test(uri)){throw new TypeError('`uri` does not appear to be a Data URI (must begin with "data:")')}uri=uri.replace(/\r?\n/g,"");var firstComma=uri.indexOf(",");if(-1===firstComma||firstComma<=4)throw new TypeError("malformed data: URI");var meta=uri.substring(5,firstComma).split(";");var base64=false;var charset="US-ASCII";for(var i=0;i<meta.length;i++){if("base64"==meta[i]){base64=true}else if(0==meta[i].indexOf("charset=")){charset=meta[i].substring(8)}}var data=unescape(uri.substring(firstComma+1));var encoding=base64?"base64":"ascii";var buffer=new Buffer(data,encoding);buffer.type=meta[0]||"text/plain";buffer.charset=charset;return buffer}}).call(this,require("buffer").Buffer)},{buffer:7}],14:[function(require,module,exports){var objectCreate=Object.create||objectCreatePolyfill;var objectKeys=Object.keys||objectKeysPolyfill;var bind=Function.prototype.bind||functionBindPolyfill;function EventEmitter(){if(!this._events||!Object.prototype.hasOwnProperty.call(this,"_events")){this._events=objectCreate(null);this._eventsCount=0}this._maxListeners=this._maxListeners||undefined}module.exports=EventEmitter;EventEmitter.EventEmitter=EventEmitter;EventEmitter.prototype._events=undefined;EventEmitter.prototype._maxListeners=undefined;var defaultMaxListeners=10;var hasDefineProperty;try{var o={};if(Object.defineProperty)Object.defineProperty(o,"x",{value:0});hasDefineProperty=o.x===0}catch(err){hasDefineProperty=false}if(hasDefineProperty){Object.defineProperty(EventEmitter,"defaultMaxListeners",{enumerable:true,get:function(){return defaultMaxListeners},set:function(arg){if(typeof arg!=="number"||arg<0||arg!==arg)throw new TypeError('"defaultMaxListeners" must be a positive number');defaultMaxListeners=arg}})}else{EventEmitter.defaultMaxListeners=defaultMaxListeners}EventEmitter.prototype.setMaxListeners=function setMaxListeners(n){if(typeof n!=="number"||n<0||isNaN(n))throw new TypeError('"n" argument must be a positive number');this._maxListeners=n;return this};function $getMaxListeners(that){if(that._maxListeners===undefined)return EventEmitter.defaultMaxListeners;return that._maxListeners}EventEmitter.prototype.getMaxListeners=function getMaxListeners(){return $getMaxListeners(this)};function emitNone(handler,isFn,self){if(isFn)handler.call(self);else{var len=handler.length;var listeners=arrayClone(handler,len);for(var i=0;i<len;++i)listeners[i].call(self)}}function emitOne(handler,isFn,self,arg1){if(isFn)handler.call(self,arg1);else{var len=handler.length;var listeners=arrayClone(handler,len);for(var i=0;i<len;++i)listeners[i].call(self,arg1)}}function emitTwo(handler,isFn,self,arg1,arg2){if(isFn)handler.call(self,arg1,arg2);else{var len=handler.length;var listeners=arrayClone(handler,len);for(var i=0;i<len;++i)listeners[i].call(self,arg1,arg2)}}function emitThree(handler,isFn,self,arg1,arg2,arg3){if(isFn)handler.call(self,arg1,arg2,arg3);else{var len=handler.length;var listeners=arrayClone(handler,len);for(var i=0;i<len;++i)listeners[i].call(self,arg1,arg2,arg3)}}function emitMany(handler,isFn,self,args){if(isFn)handler.apply(self,args);else{var len=handler.length;var listeners=arrayClone(handler,len);for(var i=0;i<len;++i)listeners[i].apply(self,args)}}EventEmitter.prototype.emit=function emit(type){var er,handler,len,args,i,events;var doError=type==="error";events=this._events;if(events)doError=doError&&events.error==null;else if(!doError)return false;if(doError){if(arguments.length>1)er=arguments[1];if(er instanceof Error){throw er}else{var err=new Error('Unhandled "error" event. ('+er+")");err.context=er;throw err}return false}handler=events[type];if(!handler)return false;var isFn=typeof handler==="function";len=arguments.length;switch(len){case 1:emitNone(handler,isFn,this);break;case 2:emitOne(handler,isFn,this,arguments[1]);break;case 3:emitTwo(handler,isFn,this,arguments[1],arguments[2]);break;case 4:emitThree(handler,isFn,this,arguments[1],arguments[2],arguments[3]);break;default:args=new Array(len-1);for(i=1;i<len;i++)args[i-1]=arguments[i];emitMany(handler,isFn,this,args)}return true};function _addListener(target,type,listener,prepend){var m;var events;var existing;if(typeof listener!=="function")throw new TypeError('"listener" argument must be a function');events=target._events;if(!events){events=target._events=objectCreate(null);target._eventsCount=0}else{if(events.newListener){target.emit("newListener",type,listener.listener?listener.listener:listener);events=target._events}existing=events[type]}if(!existing){existing=events[type]=listener;++target._eventsCount}else{if(typeof existing==="function"){existing=events[type]=prepend?[listener,existing]:[existing,listener]}else{if(prepend){existing.unshift(listener)}else{existing.push(listener)}}if(!existing.warned){m=$getMaxListeners(target);if(m&&m>0&&existing.length>m){existing.warned=true;var w=new Error("Possible EventEmitter memory leak detected. "+existing.length+' "'+String(type)+'" listeners '+"added. Use emitter.setMaxListeners() to "+"increase limit.");w.name="MaxListenersExceededWarning";w.emitter=target;w.type=type;w.count=existing.length;if(typeof console==="object"&&console.warn){console.warn("%s: %s",w.name,w.message)}}}}return target}EventEmitter.prototype.addListener=function addListener(type,listener){return _addListener(this,type,listener,false)};EventEmitter.prototype.on=EventEmitter.prototype.addListener;EventEmitter.prototype.prependListener=function prependListener(type,listener){return _addListener(this,type,listener,true)};function onceWrapper(){if(!this.fired){this.target.removeListener(this.type,this.wrapFn);this.fired=true;switch(arguments.length){case 0:return this.listener.call(this.target);case 1:return this.listener.call(this.target,arguments[0]);case 2:return this.listener.call(this.target,arguments[0],arguments[1]);case 3:return this.listener.call(this.target,arguments[0],arguments[1],arguments[2]);default:var args=new Array(arguments.length);for(var i=0;i<args.length;++i)args[i]=arguments[i];this.listener.apply(this.target,args)}}}function _onceWrap(target,type,listener){var state={fired:false,wrapFn:undefined,target:target,type:type,listener:listener};var wrapped=bind.call(onceWrapper,state);wrapped.listener=listener;state.wrapFn=wrapped;return wrapped}EventEmitter.prototype.once=function once(type,listener){if(typeof listener!=="function")throw new TypeError('"listener" argument must be a function');this.on(type,_onceWrap(this,type,listener));return this};EventEmitter.prototype.prependOnceListener=function prependOnceListener(type,listener){if(typeof listener!=="function")throw new TypeError('"listener" argument must be a function');this.prependListener(type,_onceWrap(this,type,listener));return this};EventEmitter.prototype.removeListener=function removeListener(type,listener){var list,events,position,i,originalListener;if(typeof listener!=="function")throw new TypeError('"listener" argument must be a function');events=this._events;if(!events)return this;list=events[type];if(!list)return this;if(list===listener||list.listener===listener){if(--this._eventsCount===0)this._events=objectCreate(null);else{delete events[type];if(events.removeListener)this.emit("removeListener",type,list.listener||listener)}}else if(typeof list!=="function"){position=-1;for(i=list.length-1;i>=0;i--){if(list[i]===listener||list[i].listener===listener){originalListener=list[i].listener;position=i;break}}if(position<0)return this;if(position===0)list.shift();else spliceOne(list,position);if(list.length===1)events[type]=list[0];if(events.removeListener)this.emit("removeListener",type,originalListener||listener)}return this};EventEmitter.prototype.removeAllListeners=function removeAllListeners(type){var listeners,events,i;events=this._events;if(!events)return this;if(!events.removeListener){if(arguments.length===0){this._events=objectCreate(null);this._eventsCount=0}else if(events[type]){if(--this._eventsCount===0)this._events=objectCreate(null);else delete events[type]}return this}if(arguments.length===0){var keys=objectKeys(events);var key;for(i=0;i<keys.length;++i){key=keys[i];if(key==="removeListener")continue;this.removeAllListeners(key)}this.removeAllListeners("removeListener");this._events=objectCreate(null);this._eventsCount=0;return this}listeners=events[type];if(typeof listeners==="function"){this.removeListener(type,listeners)}else if(listeners){for(i=listeners.length-1;i>=0;i--){this.removeListener(type,listeners[i])}}return this};function _listeners(target,type,unwrap){var events=target._events;if(!events)return[];var evlistener=events[type];if(!evlistener)return[];if(typeof evlistener==="function")return unwrap?[evlistener.listener||evlistener]:[evlistener];return unwrap?unwrapListeners(evlistener):arrayClone(evlistener,evlistener.length)}EventEmitter.prototype.listeners=function listeners(type){return _listeners(this,type,true)};EventEmitter.prototype.rawListeners=function rawListeners(type){return _listeners(this,type,false)};EventEmitter.listenerCount=function(emitter,type){if(typeof emitter.listenerCount==="function"){return emitter.listenerCount(type)}else{return listenerCount.call(emitter,type)}};EventEmitter.prototype.listenerCount=listenerCount;function listenerCount(type){var events=this._events;if(events){var evlistener=events[type];if(typeof evlistener==="function"){return 1}else if(evlistener){return evlistener.length}}return 0}EventEmitter.prototype.eventNames=function eventNames(){return this._eventsCount>0?Reflect.ownKeys(this._events):[]};function spliceOne(list,index){for(var i=index,k=i+1,n=list.length;k<n;i+=1,k+=1)list[i]=list[k];list.pop()}function arrayClone(arr,n){var copy=new Array(n);for(var i=0;i<n;++i)copy[i]=arr[i];return copy}function unwrapListeners(arr){var ret=new Array(arr.length);for(var i=0;i<ret.length;++i){ret[i]=arr[i].listener||arr[i]}return ret}function objectCreatePolyfill(proto){var F=function(){};F.prototype=proto;return new F}function objectKeysPolyfill(obj){var keys=[];for(var k in obj)if(Object.prototype.hasOwnProperty.call(obj,k)){keys.push(k)}return k}function functionBindPolyfill(context){var fn=this;return function(){return fn.apply(context,arguments)}}},{}],15:[function(require,module,exports){(function(Buffer,process){"use strict";var path=require("path");var ndarray=require("ndarray");var GifReader=require("omggif").GifReader;var pack=require("ndarray-pack");var through=require("through");var parseDataURI=require("data-uri-to-buffer");function defaultImage(url,cb){var img=new Image;img.crossOrigin="Anonymous";img.onload=function(){var canvas=document.createElement("canvas");canvas.width=img.width;canvas.height=img.height;var context=canvas.getContext("2d");context.drawImage(img,0,0);var pixels=context.getImageData(0,0,img.width,img.height);cb(null,ndarray(new Uint8Array(pixels.data),[img.width,img.height,4],[4,4*img.width,1],0))};img.onerror=function(err){cb(err)};img.src=url}function handleGif(data,cb){var reader;try{reader=new GifReader(data)}catch(err){cb(err);return}if(reader.numFrames()>0){var framesInfo=[];var nshape=[reader.numFrames(),reader.height,reader.width,4];var ndata=new Uint8Array(nshape[0]*nshape[1]*nshape[2]*nshape[3]);var result=ndarray(ndata,nshape);try{for(var i=0;i<reader.numFrames();++i){reader.decodeAndBlitFrameRGBA(i,ndata.subarray(result.index(i,0,0,0),result.index(i+1,0,0,0)));framesInfo.push(reader.frameInfo(i))}}catch(err){cb(err);return}cb(null,result.transpose(0,2,1),framesInfo)}else{var nshape=[reader.height,reader.width,4];var ndata=new Uint8Array(nshape[0]*nshape[1]*nshape[2]);var result=ndarray(ndata,nshape);try{reader.decodeAndBlitFrameRGBA(0,ndata)}catch(err){cb(err);return}cb(null,result.transpose(1,0))}}function httpGif(url,cb){var xhr=new XMLHttpRequest;xhr.open("GET",url,true);xhr.responseType="arraybuffer";if(xhr.overrideMimeType){xhr.overrideMimeType("application/binary")}xhr.onerror=function(err){cb(err)};xhr.onload=function(){if(xhr.readyState!==4){return}var data=new Uint8Array(xhr.response);handleGif(data,cb);return};xhr.send()}function copyBuffer(buffer){if(buffer[0]===undefined){var n=buffer.length;var result=new Uint8Array(n);for(var i=0;i<n;++i){result[i]=buffer.get(i)}return result}else{return new Uint8Array(buffer)}}function dataGif(url,cb){process.nextTick(function(){try{var buffer=parseDataURI(url);if(buffer){handleGif(copyBuffer(buffer),cb)}else{cb(new Error("Error parsing data URI"))}}catch(err){cb(err)}})}module.exports=function getPixels(url,type,cb){if(!cb){cb=type;type=""}var ext=path.extname(url);switch(type||ext.toUpperCase()){case".GIF":httpGif(url,cb);break;default:if(Buffer.isBuffer(url)){url="data:"+type+";base64,"+url.toString("base64")}if(url.indexOf("data:image/gif;")===0){dataGif(url,cb)}else{defaultImage(url,cb)}}}}).call(this,{isBuffer:require("../is-buffer/index.js")},require("_process"))},{"../is-buffer/index.js":28,_process:73,"data-uri-to-buffer":13,ndarray:37,"ndarray-pack":35,omggif:38,path:50,through:99}],16:[function(require,module,exports){(function(Buffer){var assert=require("assert");var EventEmitter=require("events").EventEmitter;var ReadableStream=require("readable-stream");var util=require("util");var NeuQuant=require("./TypedNeuQuant.js");var LZWEncoder=require("./LZWEncoder.js");function ByteCapacitor(options){ReadableStream.call(this,options);this.okayToPush=true;this.resetData()}util.inherits(ByteCapacitor,ReadableStream);ByteCapacitor.prototype._read=function(){this.okayToPush=true};ByteCapacitor.prototype.resetData=function(){this.data=[]};ByteCapacitor.prototype.flushData=function(){if(!this.okayToPush){var err=new Error("GIF memory limit exceeded. Please `read` from GIF before writing additional frames/information.");return this.emit("error",err)}var buff=new Buffer(this.data);this.resetData();this.okayToPush=this.push(buff)};ByteCapacitor.prototype.writeByte=function(val){this.data.push(val)};ByteCapacitor.prototype.writeUTFBytes=function(string){for(var l=string.length,i=0;i<l;i++){this.writeByte(string.charCodeAt(i))}};ByteCapacitor.prototype.writeBytes=function(array,offset,length){for(var l=length||array.length,i=offset||0;i<l;i++){this.writeByte(array[i])}};function GIFEncoder(width,height,options){options=options||{};var hwm=options.highWaterMark;ByteCapacitor.call(this,{highWaterMark:hwm||hwm===0?hwm:64*1024});this.width=~~width;this.height=~~height;this.transparent=null;this.transIndex=0;this.repeat=-1;this.delay=0;this.pixels=null;this.indexedPixels=null;this.colorDepth=null;this.colorTab=null;this.usedEntry=[];this.palSize=7;this.dispose=-1;this.firstFrame=true;this.sample=10;var that=this;function flushData(){that.flushData()}this.on("writeHeader#stop",flushData);this.on("frame#stop",flushData);this.on("finish#stop",function finishGif(){flushData();that.push(null)})}util.inherits(GIFEncoder,ByteCapacitor);GIFEncoder.prototype.setDelay=function(milliseconds){this.delay=Math.round(milliseconds/10)};GIFEncoder.prototype.setFrameRate=function(fps){this.delay=Math.round(100/fps)};GIFEncoder.prototype.setDispose=function(disposalCode){if(disposalCode>=0)this.dispose=disposalCode};GIFEncoder.prototype.setRepeat=function(repeat){this.repeat=repeat};GIFEncoder.prototype.setTransparent=function(color){this.transparent=color};GIFEncoder.prototype.analyzeImage=function(imageData){this.setImagePixels(this.removeAlphaChannel(imageData));this.analyzePixels()};GIFEncoder.prototype.writeImageInfo=function(){if(this.firstFrame){this.writeLSD();this.writePalette();if(this.repeat>=0){this.writeNetscapeExt()}}this.writeGraphicCtrlExt();this.writeImageDesc();if(!this.firstFrame)this.writePalette();this.firstFrame=false};GIFEncoder.prototype.outputImage=function(){this.writePixels()};GIFEncoder.prototype.addFrame=function(imageData){this.emit("frame#start");this.analyzeImage(imageData);this.writeImageInfo();this.outputImage();this.emit("frame#stop")};GIFEncoder.prototype.finish=function(){this.emit("finish#start");this.writeByte(59);this.emit("finish#stop")};GIFEncoder.prototype.setQuality=function(quality){if(quality<1)quality=1;this.sample=quality};GIFEncoder.prototype.writeHeader=function(){this.emit("writeHeader#start");this.writeUTFBytes("GIF89a");this.emit("writeHeader#stop")};GIFEncoder.prototype.analyzePixels=function(){var len=this.pixels.length;var nPix=len/3;this.indexedPixels=new Uint8Array(nPix);var imgq=new NeuQuant(this.pixels,this.sample);imgq.buildColormap();this.colorTab=imgq.getColormap();var k=0;for(var j=0;j<nPix;j++){var index=imgq.lookupRGB(this.pixels[k++]&255,this.pixels[k++]&255,this.pixels[k++]&255);this.usedEntry[index]=true;this.indexedPixels[j]=index}this.pixels=null;this.colorDepth=8;this.palSize=7;if(this.transparent!==null){this.transIndex=this.findClosest(this.transparent)}};GIFEncoder.prototype.findClosest=function(c){if(this.colorTab===null)return-1;var r=(c&16711680)>>16;var g=(c&65280)>>8;var b=c&255;var minpos=0;var dmin=256*256*256;var len=this.colorTab.length;for(var i=0;i<len;){var dr=r-(this.colorTab[i++]&255);var dg=g-(this.colorTab[i++]&255);var db=b-(this.colorTab[i]&255);var d=dr*dr+dg*dg+db*db;var index=i/3;if(this.usedEntry[index]&&d<dmin){dmin=d;minpos=index}i++}return minpos};GIFEncoder.prototype.removeAlphaChannel=function(data){var w=this.width;var h=this.height;var pixels=new Uint8Array(w*h*3);var count=0;for(var i=0;i<h;i++){for(var j=0;j<w;j++){var b=i*w*4+j*4;pixels[count++]=data[b];pixels[count++]=data[b+1];pixels[count++]=data[b+2]}}return pixels};GIFEncoder.prototype.setImagePixels=function(pixels){this.pixels=pixels};GIFEncoder.prototype.writeGraphicCtrlExt=function(){this.writeByte(33);this.writeByte(249);this.writeByte(4);var transp,disp;if(this.transparent===null){transp=0;disp=0}else{transp=1;disp=2}if(this.dispose>=0){disp=dispose&7}disp<<=2;this.writeByte(0|disp|0|transp);this.writeShort(this.delay);this.writeByte(this.transIndex);this.writeByte(0)};GIFEncoder.prototype.writeImageDesc=function(){this.writeByte(44);this.writeShort(0);this.writeShort(0);this.writeShort(this.width);this.writeShort(this.height);if(this.firstFrame){this.writeByte(0)}else{this.writeByte(128|0|0|0|this.palSize)}};GIFEncoder.prototype.writeLSD=function(){this.writeShort(this.width);this.writeShort(this.height);this.writeByte(128|112|0|this.palSize);this.writeByte(0);this.writeByte(0)};GIFEncoder.prototype.writeNetscapeExt=function(){this.writeByte(33);this.writeByte(255);this.writeByte(11);this.writeUTFBytes("NETSCAPE2.0");this.writeByte(3);this.writeByte(1);this.writeShort(this.repeat);this.writeByte(0)};GIFEncoder.prototype.writePalette=function(){this.writeBytes(this.colorTab);var n=3*256-this.colorTab.length;for(var i=0;i<n;i++)this.writeByte(0)};GIFEncoder.prototype.writeShort=function(pValue){this.writeByte(pValue&255);this.writeByte(pValue>>8&255)};GIFEncoder.prototype.writePixels=function(){var enc=new LZWEncoder(this.width,this.height,this.indexedPixels,this.colorDepth);enc.encode(this)};GIFEncoder.prototype.stream=function(){return this};GIFEncoder.ByteCapacitor=ByteCapacitor;module.exports=GIFEncoder}).call(this,require("buffer").Buffer)},{"./LZWEncoder.js":17,"./TypedNeuQuant.js":18,assert:2,buffer:7,events:14,"readable-stream":24,util:104}],17:[function(require,module,exports){var EOF=-1;var BITS=12;var HSIZE=5003;var masks=[0,1,3,7,15,31,63,127,255,511,1023,2047,4095,8191,16383,32767,65535];function LZWEncoder(width,height,pixels,colorDepth){var initCodeSize=Math.max(2,colorDepth);var accum=new Uint8Array(256);var htab=new Int32Array(HSIZE);var codetab=new Int32Array(HSIZE);var cur_accum,cur_bits=0;var a_count;var free_ent=0;var maxcode;var remaining;var curPixel;var n_bits;var clear_flg=false;var g_init_bits,ClearCode,EOFCode;function char_out(c,outs){accum[a_count++]=c;if(a_count>=254)flush_char(outs)}function cl_block(outs){cl_hash(HSIZE);free_ent=ClearCode+2;clear_flg=true;output(ClearCode,outs)}function cl_hash(hsize){for(var i=0;i<hsize;++i)htab[i]=-1}function compress(init_bits,outs){var fcode,c,i,ent,disp,hsize_reg,hshift;g_init_bits=init_bits;clear_flg=false;n_bits=g_init_bits;maxcode=MAXCODE(n_bits);ClearCode=1<<init_bits-1;EOFCode=ClearCode+1;free_ent=ClearCode+2;a_count=0;ent=nextPixel();hshift=0;for(fcode=HSIZE;fcode<65536;fcode*=2)++hshift;hshift=8-hshift;hsize_reg=HSIZE;cl_hash(hsize_reg);output(ClearCode,outs);outer_loop:while((c=nextPixel())!=EOF){fcode=(c<<BITS)+ent;i=c<<hshift^ent;if(htab[i]===fcode){ent=codetab[i];continue}else if(htab[i]>=0){disp=hsize_reg-i;if(i===0)disp=1;do{if((i-=disp)<0)i+=hsize_reg;if(htab[i]===fcode){ent=codetab[i];continue outer_loop}}while(htab[i]>=0)}output(ent,outs);ent=c;if(free_ent<1<<BITS){codetab[i]=free_ent++;htab[i]=fcode}else{cl_block(outs)}}output(ent,outs);output(EOFCode,outs)}function encode(outs){outs.writeByte(initCodeSize);remaining=width*height;curPixel=0;compress(initCodeSize+1,outs);outs.writeByte(0)}function flush_char(outs){if(a_count>0){outs.writeByte(a_count);outs.writeBytes(accum,0,a_count);a_count=0}}function MAXCODE(n_bits){return(1<<n_bits)-1}function nextPixel(){if(remaining===0)return EOF;--remaining;var pix=pixels[curPixel++];return pix&255}function output(code,outs){cur_accum&=masks[cur_bits];if(cur_bits>0)cur_accum|=code<<cur_bits;else cur_accum=code;cur_bits+=n_bits;while(cur_bits>=8){char_out(cur_accum&255,outs);cur_accum>>=8;cur_bits-=8}if(free_ent>maxcode||clear_flg){if(clear_flg){maxcode=MAXCODE(n_bits=g_init_bits);clear_flg=false}else{++n_bits;if(n_bits==BITS)maxcode=1<<BITS;else maxcode=MAXCODE(n_bits)}}if(code==EOFCode){while(cur_bits>0){char_out(cur_accum&255,outs);cur_accum>>=8;cur_bits-=8}flush_char(outs)}}this.encode=encode}module.exports=LZWEncoder},{}],18:[function(require,module,exports){var ncycles=100;var netsize=256;var maxnetpos=netsize-1;var netbiasshift=4;var intbiasshift=16;var intbias=1<<intbiasshift;var gammashift=10;var gamma=1<<gammashift;var betashift=10;var beta=intbias>>betashift;var betagamma=intbias<<gammashift-betashift;var initrad=netsize>>3;var radiusbiasshift=6;var radiusbias=1<<radiusbiasshift;var initradius=initrad*radiusbias;var radiusdec=30;var alphabiasshift=10;var initalpha=1<<alphabiasshift;var alphadec;var radbiasshift=8;var radbias=1<<radbiasshift;var alpharadbshift=alphabiasshift+radbiasshift;var alpharadbias=1<<alpharadbshift;var prime1=499;var prime2=491;var prime3=487;var prime4=503;var minpicturebytes=3*prime4;function NeuQuant(pixels,samplefac){var network;var netindex;var bias;var freq;var radpower;function init(){network=[];netindex=new Int32Array(256);bias=new Int32Array(netsize);freq=new Int32Array(netsize);radpower=new Int32Array(netsize>>3);var i,v;for(i=0;i<netsize;i++){v=(i<<netbiasshift+8)/netsize;network[i]=new Float64Array([v,v,v,0]);freq[i]=intbias/netsize;bias[i]=0}}function unbiasnet(){for(var i=0;i<netsize;i++){network[i][0]>>=netbiasshift;network[i][1]>>=netbiasshift;network[i][2]>>=netbiasshift;network[i][3]=i}}function altersingle(alpha,i,b,g,r){network[i][0]-=alpha*(network[i][0]-b)/initalpha;network[i][1]-=alpha*(network[i][1]-g)/initalpha;network[i][2]-=alpha*(network[i][2]-r)/initalpha}function alterneigh(radius,i,b,g,r){var lo=Math.abs(i-radius);var hi=Math.min(i+radius,netsize);var j=i+1;var k=i-1;var m=1;var p,a;while(j<hi||k>lo){a=radpower[m++];if(j<hi){p=network[j++];p[0]-=a*(p[0]-b)/alpharadbias;p[1]-=a*(p[1]-g)/alpharadbias;p[2]-=a*(p[2]-r)/alpharadbias}if(k>lo){p=network[k--];p[0]-=a*(p[0]-b)/alpharadbias;p[1]-=a*(p[1]-g)/alpharadbias;p[2]-=a*(p[2]-r)/alpharadbias}}}function contest(b,g,r){var bestd=~(1<<31);var bestbiasd=bestd;var bestpos=-1;var bestbiaspos=bestpos;var i,n,dist,biasdist,betafreq;for(i=0;i<netsize;i++){n=network[i];dist=Math.abs(n[0]-b)+Math.abs(n[1]-g)+Math.abs(n[2]-r);if(dist<bestd){bestd=dist;bestpos=i}biasdist=dist-(bias[i]>>intbiasshift-netbiasshift);if(biasdist<bestbiasd){bestbiasd=biasdist;bestbiaspos=i}betafreq=freq[i]>>betashift;freq[i]-=betafreq;bias[i]+=betafreq<<gammashift}freq[bestpos]+=beta;bias[bestpos]-=betagamma;return bestbiaspos}function inxbuild(){var i,j,p,q,smallpos,smallval,previouscol=0,startpos=0;for(i=0;i<netsize;i++){p=network[i];smallpos=i;smallval=p[1];for(j=i+1;j<netsize;j++){q=network[j];if(q[1]<smallval){smallpos=j;smallval=q[1]}}q=network[smallpos];if(i!=smallpos){j=q[0];q[0]=p[0];p[0]=j;j=q[1];q[1]=p[1];p[1]=j;j=q[2];q[2]=p[2];p[2]=j;j=q[3];q[3]=p[3];p[3]=j}if(smallval!=previouscol){netindex[previouscol]=startpos+i>>1;for(j=previouscol+1;j<smallval;j++)netindex[j]=i;previouscol=smallval;startpos=i}}netindex[previouscol]=startpos+maxnetpos>>1;for(j=previouscol+1;j<256;j++)netindex[j]=maxnetpos}function inxsearch(b,g,r){var a,p,dist;var bestd=1e3;var best=-1;var i=netindex[g];var j=i-1;while(i<netsize||j>=0){if(i<netsize){p=network[i];dist=p[1]-g;if(dist>=bestd)i=netsize;else{i++;if(dist<0)dist=-dist;a=p[0]-b;if(a<0)a=-a;dist+=a;if(dist<bestd){a=p[2]-r;if(a<0)a=-a;dist+=a;if(dist<bestd){bestd=dist;best=p[3]}}}}if(j>=0){p=network[j];dist=g-p[1];if(dist>=bestd)j=-1;else{j--;if(dist<0)dist=-dist;a=p[0]-b;if(a<0)a=-a;dist+=a;if(dist<bestd){a=p[2]-r;if(a<0)a=-a;dist+=a;if(dist<bestd){bestd=dist;best=p[3]}}}}}return best}function learn(){var i;var lengthcount=pixels.length;var alphadec=30+(samplefac-1)/3;var samplepixels=lengthcount/(3*samplefac);var delta=~~(samplepixels/ncycles);var alpha=initalpha;var radius=initradius;var rad=radius>>radiusbiasshift;if(rad<=1)rad=0;for(i=0;i<rad;i++)radpower[i]=alpha*((rad*rad-i*i)*radbias/(rad*rad));var step;if(lengthcount<minpicturebytes){samplefac=1;step=3}else if(lengthcount%prime1!==0){step=3*prime1}else if(lengthcount%prime2!==0){step=3*prime2}else if(lengthcount%prime3!==0){step=3*prime3}else{step=3*prime4}var b,g,r,j;var pix=0;i=0;while(i<samplepixels){b=(pixels[pix]&255)<<netbiasshift;g=(pixels[pix+1]&255)<<netbiasshift;r=(pixels[pix+2]&255)<<netbiasshift;j=contest(b,g,r);altersingle(alpha,j,b,g,r);if(rad!==0)alterneigh(rad,j,b,g,r);pix+=step;if(pix>=lengthcount)pix-=lengthcount;i++;if(delta===0)delta=1;if(i%delta===0){alpha-=alpha/alphadec;radius-=radius/radiusdec;rad=radius>>radiusbiasshift;if(rad<=1)rad=0;for(j=0;j<rad;j++)radpower[j]=alpha*((rad*rad-j*j)*radbias/(rad*rad))}}}function buildColormap(){init();learn();unbiasnet();inxbuild()}this.buildColormap=buildColormap;function getColormap(){var map=[];var index=[];for(var i=0;i<netsize;i++)index[network[i][3]]=i;var k=0;for(var l=0;l<netsize;l++){var j=index[l];map[k++]=network[j][0];map[k++]=network[j][1];map[k++]=network[j][2]}return map}this.getColormap=getColormap;this.lookupRGB=inxsearch}module.exports=NeuQuant},{}],19:[function(require,module,exports){(function(process){module.exports=Duplex;var objectKeys=Object.keys||function(obj){var keys=[];for(var key in obj)keys.push(key);return keys};var util=require("core-util-is");util.inherits=require("inherits");var Readable=require("./_stream_readable");var Writable=require("./_stream_writable");util.inherits(Duplex,Readable);forEach(objectKeys(Writable.prototype),function(method){if(!Duplex.prototype[method])Duplex.prototype[method]=Writable.prototype[method]});function Duplex(options){if(!(this instanceof Duplex))return new Duplex(options);Readable.call(this,options);Writable.call(this,options);if(options&&options.readable===false)this.readable=false;if(options&&options.writable===false)this.writable=false;this.allowHalfOpen=true;if(options&&options.allowHalfOpen===false)this.allowHalfOpen=false;this.once("end",onend)}function onend(){if(this.allowHalfOpen||this._writableState.ended)return;process.nextTick(this.end.bind(this))}function forEach(xs,f){for(var i=0,l=xs.length;i<l;i++){f(xs[i],i)}}}).call(this,require("_process"))},{"./_stream_readable":21,"./_stream_writable":23,_process:73,"core-util-is":9,inherits:26}],20:[function(require,module,exports){module.exports=PassThrough;var Transform=require("./_stream_transform");var util=require("core-util-is");util.inherits=require("inherits");util.inherits(PassThrough,Transform);function PassThrough(options){if(!(this instanceof PassThrough))return new PassThrough(options);Transform.call(this,options)}PassThrough.prototype._transform=function(chunk,encoding,cb){cb(null,chunk)}},{"./_stream_transform":22,"core-util-is":9,inherits:26}],21:[function(require,module,exports){(function(process){module.exports=Readable;var isArray=require("isarray");var Buffer=require("buffer").Buffer;Readable.ReadableState=ReadableState;var EE=require("events").EventEmitter;if(!EE.listenerCount)EE.listenerCount=function(emitter,type){return emitter.listeners(type).length};var Stream=require("stream");var util=require("core-util-is");util.inherits=require("inherits");var StringDecoder;var debug=require("util");if(debug&&debug.debuglog){debug=debug.debuglog("stream")}else{debug=function(){}}util.inherits(Readable,Stream);function ReadableState(options,stream){var Duplex=require("./_stream_duplex");options=options||{};var hwm=options.highWaterMark;var defaultHwm=options.objectMode?16:16*1024;this.highWaterMark=hwm||hwm===0?hwm:defaultHwm;this.highWaterMark=~~this.highWaterMark;this.buffer=[];this.length=0;this.pipes=null;this.pipesCount=0;this.flowing=null;this.ended=false;this.endEmitted=false;this.reading=false;this.sync=true;this.needReadable=false;this.emittedReadable=false;this.readableListening=false;this.objectMode=!!options.objectMode;if(stream instanceof Duplex)this.objectMode=this.objectMode||!!options.readableObjectMode;this.defaultEncoding=options.defaultEncoding||"utf8";this.ranOut=false;this.awaitDrain=0;this.readingMore=false;this.decoder=null;this.encoding=null;if(options.encoding){if(!StringDecoder)StringDecoder=require("string_decoder/").StringDecoder;this.decoder=new StringDecoder(options.encoding);this.encoding=options.encoding}}function Readable(options){var Duplex=require("./_stream_duplex");if(!(this instanceof Readable))return new Readable(options);this._readableState=new ReadableState(options,this);this.readable=true;Stream.call(this)}Readable.prototype.push=function(chunk,encoding){var state=this._readableState;if(util.isString(chunk)&&!state.objectMode){encoding=encoding||state.defaultEncoding;if(encoding!==state.encoding){chunk=new Buffer(chunk,encoding);encoding=""}}return readableAddChunk(this,state,chunk,encoding,false)};Readable.prototype.unshift=function(chunk){var state=this._readableState;return readableAddChunk(this,state,chunk,"",true)};function readableAddChunk(stream,state,chunk,encoding,addToFront){var er=chunkInvalid(state,chunk);if(er){stream.emit("error",er)}else if(util.isNullOrUndefined(chunk)){state.reading=false;if(!state.ended)onEofChunk(stream,state)}else if(state.objectMode||chunk&&chunk.length>0){if(state.ended&&!addToFront){var e=new Error("stream.push() after EOF");stream.emit("error",e)}else if(state.endEmitted&&addToFront){var e=new Error("stream.unshift() after end event");stream.emit("error",e)}else{if(state.decoder&&!addToFront&&!encoding)chunk=state.decoder.write(chunk);if(!addToFront)state.reading=false;if(state.flowing&&state.length===0&&!state.sync){stream.emit("data",chunk);stream.read(0)}else{state.length+=state.objectMode?1:chunk.length;if(addToFront)state.buffer.unshift(chunk);else state.buffer.push(chunk);if(state.needReadable)emitReadable(stream)}maybeReadMore(stream,state)}}else if(!addToFront){state.reading=false}return needMoreData(state)}function needMoreData(state){return!state.ended&&(state.needReadable||state.length<state.highWaterMark||state.length===0)}Readable.prototype.setEncoding=function(enc){if(!StringDecoder)StringDecoder=require("string_decoder/").StringDecoder;this._readableState.decoder=new StringDecoder(enc);this._readableState.encoding=enc;return this};var MAX_HWM=8388608;function roundUpToNextPowerOf2(n){if(n>=MAX_HWM){n=MAX_HWM}else{n--;for(var p=1;p<32;p<<=1)n|=n>>p;n++}return n}function howMuchToRead(n,state){if(state.length===0&&state.ended)return 0;if(state.objectMode)return n===0?0:1;if(isNaN(n)||util.isNull(n)){if(state.flowing&&state.buffer.length)return state.buffer[0].length;else return state.length}if(n<=0)return 0;if(n>state.highWaterMark)state.highWaterMark=roundUpToNextPowerOf2(n);if(n>state.length){if(!state.ended){state.needReadable=true;return 0}else return state.length}return n}Readable.prototype.read=function(n){debug("read",n);var state=this._readableState;var nOrig=n;if(!util.isNumber(n)||n>0)state.emittedReadable=false;if(n===0&&state.needReadable&&(state.length>=state.highWaterMark||state.ended)){debug("read: emitReadable",state.length,state.ended);if(state.length===0&&state.ended)endReadable(this);else emitReadable(this);return null}n=howMuchToRead(n,state);if(n===0&&state.ended){if(state.length===0)endReadable(this);return null}var doRead=state.needReadable;debug("need readable",doRead);if(state.length===0||state.length-n<state.highWaterMark){doRead=true;debug("length less than watermark",doRead)}if(state.ended||state.reading){doRead=false;debug("reading or ended",doRead)}if(doRead){debug("do read");state.reading=true;state.sync=true;if(state.length===0)state.needReadable=true;this._read(state.highWaterMark);state.sync=false}if(doRead&&!state.reading)n=howMuchToRead(nOrig,state);var ret;if(n>0)ret=fromList(n,state);else ret=null;if(util.isNull(ret)){state.needReadable=true;n=0}state.length-=n;if(state.length===0&&!state.ended)state.needReadable=true;if(nOrig!==n&&state.ended&&state.length===0)endReadable(this);if(!util.isNull(ret))this.emit("data",ret);return ret};function chunkInvalid(state,chunk){var er=null;if(!util.isBuffer(chunk)&&!util.isString(chunk)&&!util.isNullOrUndefined(chunk)&&!state.objectMode){er=new TypeError("Invalid non-string/buffer chunk")}return er}function onEofChunk(stream,state){if(state.decoder&&!state.ended){var chunk=state.decoder.end();if(chunk&&chunk.length){state.buffer.push(chunk);state.length+=state.objectMode?1:chunk.length}}state.ended=true;emitReadable(stream)}function emitReadable(stream){var state=stream._readableState;state.needReadable=false;if(!state.emittedReadable){debug("emitReadable",state.flowing);state.emittedReadable=true;if(state.sync)process.nextTick(function(){emitReadable_(stream)});else emitReadable_(stream)}}function emitReadable_(stream){debug("emit readable");stream.emit("readable");flow(stream)}function maybeReadMore(stream,state){if(!state.readingMore){state.readingMore=true;process.nextTick(function(){maybeReadMore_(stream,state)})}}function maybeReadMore_(stream,state){var len=state.length;while(!state.reading&&!state.flowing&&!state.ended&&state.length<state.highWaterMark){debug("maybeReadMore read 0");stream.read(0);if(len===state.length)break;else len=state.length}state.readingMore=false}Readable.prototype._read=function(n){this.emit("error",new Error("not implemented"))};Readable.prototype.pipe=function(dest,pipeOpts){var src=this;var state=this._readableState;switch(state.pipesCount){case 0:state.pipes=dest;break;case 1:state.pipes=[state.pipes,dest];break;default:state.pipes.push(dest);break}state.pipesCount+=1;debug("pipe count=%d opts=%j",state.pipesCount,pipeOpts);var doEnd=(!pipeOpts||pipeOpts.end!==false)&&dest!==process.stdout&&dest!==process.stderr;var endFn=doEnd?onend:cleanup;if(state.endEmitted)process.nextTick(endFn);else src.once("end",endFn);dest.on("unpipe",onunpipe);function onunpipe(readable){debug("onunpipe");if(readable===src){cleanup()}}function onend(){debug("onend");dest.end()}var ondrain=pipeOnDrain(src);dest.on("drain",ondrain);function cleanup(){debug("cleanup");dest.removeListener("close",onclose);dest.removeListener("finish",onfinish);dest.removeListener("drain",ondrain);dest.removeListener("error",onerror);dest.removeListener("unpipe",onunpipe);src.removeListener("end",onend);src.removeListener("end",cleanup);src.removeListener("data",ondata);if(state.awaitDrain&&(!dest._writableState||dest._writableState.needDrain))ondrain()}src.on("data",ondata);function ondata(chunk){debug("ondata");var ret=dest.write(chunk);if(false===ret){debug("false write response, pause",src._readableState.awaitDrain);src._readableState.awaitDrain++;src.pause()}}function onerror(er){debug("onerror",er);unpipe();dest.removeListener("error",onerror);if(EE.listenerCount(dest,"error")===0)dest.emit("error",er)}if(!dest._events||!dest._events.error)dest.on("error",onerror);else if(isArray(dest._events.error))dest._events.error.unshift(onerror);else dest._events.error=[onerror,dest._events.error];function onclose(){dest.removeListener("finish",onfinish);unpipe()}dest.once("close",onclose);function onfinish(){debug("onfinish");dest.removeListener("close",onclose);unpipe()}dest.once("finish",onfinish);function unpipe(){debug("unpipe");src.unpipe(dest)}dest.emit("pipe",src);if(!state.flowing){debug("pipe resume");src.resume()}return dest};function pipeOnDrain(src){return function(){var state=src._readableState;debug("pipeOnDrain",state.awaitDrain);if(state.awaitDrain)state.awaitDrain--;if(state.awaitDrain===0&&EE.listenerCount(src,"data")){state.flowing=true;flow(src)}}}Readable.prototype.unpipe=function(dest){var state=this._readableState;if(state.pipesCount===0)return this;if(state.pipesCount===1){if(dest&&dest!==state.pipes)return this;if(!dest)dest=state.pipes;state.pipes=null;state.pipesCount=0;state.flowing=false;if(dest)dest.emit("unpipe",this);return this}if(!dest){var dests=state.pipes;var len=state.pipesCount;state.pipes=null;state.pipesCount=0;state.flowing=false;for(var i=0;i<len;i++)dests[i].emit("unpipe",this);return this}var i=indexOf(state.pipes,dest);if(i===-1)return this;state.pipes.splice(i,1);state.pipesCount-=1;if(state.pipesCount===1)state.pipes=state.pipes[0];dest.emit("unpipe",this);return this};Readable.prototype.on=function(ev,fn){var res=Stream.prototype.on.call(this,ev,fn);if(ev==="data"&&false!==this._readableState.flowing){this.resume()}if(ev==="readable"&&this.readable){var state=this._readableState;if(!state.readableListening){state.readableListening=true;state.emittedReadable=false;state.needReadable=true;if(!state.reading){var self=this;process.nextTick(function(){debug("readable nexttick read 0");self.read(0)})}else if(state.length){emitReadable(this,state)}}}return res};Readable.prototype.addListener=Readable.prototype.on;Readable.prototype.resume=function(){var state=this._readableState;if(!state.flowing){debug("resume");state.flowing=true;if(!state.reading){debug("resume read 0");this.read(0)}resume(this,state)}return this};function resume(stream,state){if(!state.resumeScheduled){state.resumeScheduled=true;process.nextTick(function(){resume_(stream,state)})}}function resume_(stream,state){state.resumeScheduled=false;stream.emit("resume");flow(stream);if(state.flowing&&!state.reading)stream.read(0)}Readable.prototype.pause=function(){debug("call pause flowing=%j",this._readableState.flowing);if(false!==this._readableState.flowing){debug("pause");this._readableState.flowing=false;this.emit("pause")}return this};function flow(stream){var state=stream._readableState;debug("flow",state.flowing);if(state.flowing){do{var chunk=stream.read()}while(null!==chunk&&state.flowing)}}Readable.prototype.wrap=function(stream){var state=this._readableState;var paused=false;var self=this;stream.on("end",function(){debug("wrapped end");if(state.decoder&&!state.ended){var chunk=state.decoder.end();if(chunk&&chunk.length)self.push(chunk)}self.push(null)});stream.on("data",function(chunk){debug("wrapped data");if(state.decoder)chunk=state.decoder.write(chunk);if(!chunk||!state.objectMode&&!chunk.length)return;var ret=self.push(chunk);if(!ret){paused=true;stream.pause()}});for(var i in stream){if(util.isFunction(stream[i])&&util.isUndefined(this[i])){this[i]=function(method){return function(){return stream[method].apply(stream,arguments)}}(i)}}var events=["error","close","destroy","pause","resume"];forEach(events,function(ev){stream.on(ev,self.emit.bind(self,ev))});self._read=function(n){debug("wrapped _read",n);if(paused){paused=false;stream.resume()}};return self};Readable._fromList=fromList;function fromList(n,state){var list=state.buffer;var length=state.length;var stringMode=!!state.decoder;var objectMode=!!state.objectMode;var ret;if(list.length===0)return null;if(length===0)ret=null;else if(objectMode)ret=list.shift();else if(!n||n>=length){if(stringMode)ret=list.join("");else ret=Buffer.concat(list,length);list.length=0}else{if(n<list[0].length){var buf=list[0];ret=buf.slice(0,n);list[0]=buf.slice(n)}else if(n===list[0].length){ret=list.shift()}else{if(stringMode)ret="";else ret=new Buffer(n);var c=0;for(var i=0,l=list.length;i<l&&c<n;i++){var buf=list[0];var cpy=Math.min(n-c,buf.length);if(stringMode)ret+=buf.slice(0,cpy);else buf.copy(ret,c,0,cpy);if(cpy<buf.length)list[0]=buf.slice(cpy);else list.shift();c+=cpy}}}return ret}function endReadable(stream){var state=stream._readableState;if(state.length>0)throw new Error("endReadable called on non-empty stream");if(!state.endEmitted){state.ended=true;process.nextTick(function(){if(!state.endEmitted&&state.length===0){state.endEmitted=true;stream.readable=false;stream.emit("end")}})}}function forEach(xs,f){for(var i=0,l=xs.length;i<l;i++){f(xs[i],i)}}function indexOf(xs,x){for(var i=0,l=xs.length;i<l;i++){if(xs[i]===x)return i}return-1}}).call(this,require("_process"))},{"./_stream_duplex":19,_process:73,buffer:7,"core-util-is":9,events:14,inherits:26,isarray:29,stream:82,"string_decoder/":98,util:4}],22:[function(require,module,exports){module.exports=Transform;var Duplex=require("./_stream_duplex");var util=require("core-util-is");util.inherits=require("inherits");util.inherits(Transform,Duplex);function TransformState(options,stream){this.afterTransform=function(er,data){return afterTransform(stream,er,data)};this.needTransform=false;this.transforming=false;this.writecb=null;this.writechunk=null}function afterTransform(stream,er,data){var ts=stream._transformState;ts.transforming=false;var cb=ts.writecb;if(!cb)return stream.emit("error",new Error("no writecb in Transform class"));ts.writechunk=null;ts.writecb=null;if(!util.isNullOrUndefined(data))stream.push(data);if(cb)cb(er);var rs=stream._readableState;rs.reading=false;if(rs.needReadable||rs.length<rs.highWaterMark){stream._read(rs.highWaterMark)}}function Transform(options){if(!(this instanceof Transform))return new Transform(options);Duplex.call(this,options);this._transformState=new TransformState(options,this);var stream=this;this._readableState.needReadable=true;this._readableState.sync=false;this.once("prefinish",function(){if(util.isFunction(this._flush))this._flush(function(er){done(stream,er)});else done(stream)})}Transform.prototype.push=function(chunk,encoding){this._transformState.needTransform=false;return Duplex.prototype.push.call(this,chunk,encoding)};Transform.prototype._transform=function(chunk,encoding,cb){throw new Error("not implemented")};Transform.prototype._write=function(chunk,encoding,cb){var ts=this._transformState;ts.writecb=cb;ts.writechunk=chunk;ts.writeencoding=encoding;if(!ts.transforming){var rs=this._readableState;if(ts.needTransform||rs.needReadable||rs.length<rs.highWaterMark)this._read(rs.highWaterMark)}};Transform.prototype._read=function(n){var ts=this._transformState;if(!util.isNull(ts.writechunk)&&ts.writecb&&!ts.transforming){ts.transforming=true;this._transform(ts.writechunk,ts.writeencoding,ts.afterTransform)}else{ts.needTransform=true}};function done(stream,er){if(er)return stream.emit("error",er);var ws=stream._writableState;var ts=stream._transformState;if(ws.length)throw new Error("calling transform done when ws.length != 0");if(ts.transforming)throw new Error("calling transform done when still transforming");return stream.push(null)}},{"./_stream_duplex":19,"core-util-is":9,inherits:26}],23:[function(require,module,exports){(function(process){module.exports=Writable;var Buffer=require("buffer").Buffer;Writable.WritableState=WritableState;var util=require("core-util-is");util.inherits=require("inherits");var Stream=require("stream");util.inherits(Writable,Stream);function WriteReq(chunk,encoding,cb){this.chunk=chunk;this.encoding=encoding;this.callback=cb}function WritableState(options,stream){var Duplex=require("./_stream_duplex");options=options||{};var hwm=options.highWaterMark;var defaultHwm=options.objectMode?16:16*1024;this.highWaterMark=hwm||hwm===0?hwm:defaultHwm;this.objectMode=!!options.objectMode;if(stream instanceof Duplex)this.objectMode=this.objectMode||!!options.writableObjectMode;this.highWaterMark=~~this.highWaterMark;this.needDrain=false;this.ending=false;this.ended=false;this.finished=false;var noDecode=options.decodeStrings===false;this.decodeStrings=!noDecode;this.defaultEncoding=options.defaultEncoding||"utf8";this.length=0;this.writing=false;this.corked=0;this.sync=true;this.bufferProcessing=false;this.onwrite=function(er){onwrite(stream,er)};this.writecb=null;this.writelen=0;this.buffer=[];this.pendingcb=0;this.prefinished=false;this.errorEmitted=false}function Writable(options){var Duplex=require("./_stream_duplex");if(!(this instanceof Writable)&&!(this instanceof Duplex))return new Writable(options);this._writableState=new WritableState(options,this);this.writable=true;Stream.call(this)}Writable.prototype.pipe=function(){this.emit("error",new Error("Cannot pipe. Not readable."))};function writeAfterEnd(stream,state,cb){var er=new Error("write after end");stream.emit("error",er);process.nextTick(function(){cb(er)})}function validChunk(stream,state,chunk,cb){var valid=true;if(!util.isBuffer(chunk)&&!util.isString(chunk)&&!util.isNullOrUndefined(chunk)&&!state.objectMode){var er=new TypeError("Invalid non-string/buffer chunk");stream.emit("error",er);process.nextTick(function(){cb(er)});valid=false}return valid}Writable.prototype.write=function(chunk,encoding,cb){var state=this._writableState;var ret=false;if(util.isFunction(encoding)){cb=encoding;encoding=null}if(util.isBuffer(chunk))encoding="buffer";else if(!encoding)encoding=state.defaultEncoding;if(!util.isFunction(cb))cb=function(){};if(state.ended)writeAfterEnd(this,state,cb);else if(validChunk(this,state,chunk,cb)){state.pendingcb++;ret=writeOrBuffer(this,state,chunk,encoding,cb)}return ret};Writable.prototype.cork=function(){var state=this._writableState;state.corked++};Writable.prototype.uncork=function(){var state=this._writableState;if(state.corked){state.corked--;if(!state.writing&&!state.corked&&!state.finished&&!state.bufferProcessing&&state.buffer.length)clearBuffer(this,state)}};function decodeChunk(state,chunk,encoding){if(!state.objectMode&&state.decodeStrings!==false&&util.isString(chunk)){chunk=new Buffer(chunk,encoding)}return chunk}function writeOrBuffer(stream,state,chunk,encoding,cb){chunk=decodeChunk(state,chunk,encoding);if(util.isBuffer(chunk))encoding="buffer";var len=state.objectMode?1:chunk.length;state.length+=len;var ret=state.length<state.highWaterMark;if(!ret)state.needDrain=true;if(state.writing||state.corked)state.buffer.push(new WriteReq(chunk,encoding,cb));else doWrite(stream,state,false,len,chunk,encoding,cb);return ret}function doWrite(stream,state,writev,len,chunk,encoding,cb){state.writelen=len;state.writecb=cb;state.writing=true;state.sync=true;if(writev)stream._writev(chunk,state.onwrite);else stream._write(chunk,encoding,state.onwrite);state.sync=false}function onwriteError(stream,state,sync,er,cb){if(sync)process.nextTick(function(){state.pendingcb--;cb(er)});else{state.pendingcb--;cb(er)}stream._writableState.errorEmitted=true;stream.emit("error",er)}function onwriteStateUpdate(state){state.writing=false;state.writecb=null;state.length-=state.writelen;state.writelen=0}function onwrite(stream,er){var state=stream._writableState;var sync=state.sync;var cb=state.writecb;onwriteStateUpdate(state);if(er)onwriteError(stream,state,sync,er,cb);else{var finished=needFinish(stream,state);if(!finished&&!state.corked&&!state.bufferProcessing&&state.buffer.length){clearBuffer(stream,state)}if(sync){process.nextTick(function(){afterWrite(stream,state,finished,cb)})}else{afterWrite(stream,state,finished,cb)}}}function afterWrite(stream,state,finished,cb){if(!finished)onwriteDrain(stream,state);state.pendingcb--;cb();finishMaybe(stream,state)}function onwriteDrain(stream,state){if(state.length===0&&state.needDrain){state.needDrain=false;stream.emit("drain")}}function clearBuffer(stream,state){state.bufferProcessing=true;if(stream._writev&&state.buffer.length>1){var cbs=[];for(var c=0;c<state.buffer.length;c++)cbs.push(state.buffer[c].callback);state.pendingcb++;doWrite(stream,state,true,state.length,state.buffer,"",function(err){for(var i=0;i<cbs.length;i++){state.pendingcb--;cbs[i](err)}});state.buffer=[]}else{for(var c=0;c<state.buffer.length;c++){var entry=state.buffer[c];var chunk=entry.chunk;var encoding=entry.encoding;var cb=entry.callback;var len=state.objectMode?1:chunk.length;doWrite(stream,state,false,len,chunk,encoding,cb);if(state.writing){c++;break}}if(c<state.buffer.length)state.buffer=state.buffer.slice(c);else state.buffer.length=0}state.bufferProcessing=false}Writable.prototype._write=function(chunk,encoding,cb){cb(new Error("not implemented"))};Writable.prototype._writev=null;Writable.prototype.end=function(chunk,encoding,cb){var state=this._writableState;if(util.isFunction(chunk)){cb=chunk;chunk=null;encoding=null}else if(util.isFunction(encoding)){cb=encoding;encoding=null}if(!util.isNullOrUndefined(chunk))this.write(chunk,encoding);if(state.corked){state.corked=1;this.uncork()}if(!state.ending&&!state.finished)endWritable(this,state,cb)};function needFinish(stream,state){return state.ending&&state.length===0&&!state.finished&&!state.writing}function prefinish(stream,state){if(!state.prefinished){state.prefinished=true;stream.emit("prefinish")}}function finishMaybe(stream,state){var need=needFinish(stream,state);if(need){if(state.pendingcb===0){prefinish(stream,state);state.finished=true;stream.emit("finish")}else prefinish(stream,state)}return need}function endWritable(stream,state,cb){state.ending=true;finishMaybe(stream,state);if(cb){if(state.finished)process.nextTick(cb);else stream.once("finish",cb)}state.ended=true}}).call(this,require("_process"))},{"./_stream_duplex":19,_process:73,buffer:7,"core-util-is":9,inherits:26,stream:82}],24:[function(require,module,exports){(function(process){exports=module.exports=require("./lib/_stream_readable.js");exports.Stream=require("stream");exports.Readable=exports;exports.Writable=require("./lib/_stream_writable.js");exports.Duplex=require("./lib/_stream_duplex.js");exports.Transform=require("./lib/_stream_transform.js");exports.PassThrough=require("./lib/_stream_passthrough.js");if(!process.browser&&process.env.READABLE_STREAM==="disable"){module.exports=require("stream")}}).call(this,require("_process"))},{"./lib/_stream_duplex.js":19,"./lib/_stream_passthrough.js":20,"./lib/_stream_readable.js":21,"./lib/_stream_transform.js":22,"./lib/_stream_writable.js":23,_process:73,stream:82}],25:[function(require,module,exports){exports.read=function(buffer,offset,isLE,mLen,nBytes){var e,m;var eLen=nBytes*8-mLen-1;var eMax=(1<<eLen)-1;var eBias=eMax>>1;var nBits=-7;var i=isLE?nBytes-1:0;var d=isLE?-1:1;var s=buffer[offset+i];i+=d;e=s&(1<<-nBits)-1;s>>=-nBits;nBits+=eLen;for(;nBits>0;e=e*256+buffer[offset+i],i+=d,nBits-=8){}m=e&(1<<-nBits)-1;e>>=-nBits;nBits+=mLen;for(;nBits>0;m=m*256+buffer[offset+i],i+=d,nBits-=8){}if(e===0){e=1-eBias}else if(e===eMax){return m?NaN:(s?-1:1)*Infinity}else{m=m+Math.pow(2,mLen);e=e-eBias}return(s?-1:1)*m*Math.pow(2,e-mLen)};exports.write=function(buffer,value,offset,isLE,mLen,nBytes){var e,m,c;var eLen=nBytes*8-mLen-1;var eMax=(1<<eLen)-1;var eBias=eMax>>1;var rt=mLen===23?Math.pow(2,-24)-Math.pow(2,-77):0;var i=isLE?0:nBytes-1;var d=isLE?1:-1;var s=value<0||value===0&&1/value<0?1:0;value=Math.abs(value);if(isNaN(value)||value===Infinity){m=isNaN(value)?1:0;e=eMax}else{e=Math.floor(Math.log(value)/Math.LN2);if(value*(c=Math.pow(2,-e))<1){e--;c*=2}if(e+eBias>=1){value+=rt/c}else{value+=rt*Math.pow(2,1-eBias)}if(value*c>=2){e++;c/=2}if(e+eBias>=eMax){m=0;e=eMax}else if(e+eBias>=1){m=(value*c-1)*Math.pow(2,mLen);e=e+eBias}else{m=value*Math.pow(2,eBias-1)*Math.pow(2,mLen);e=0}}for(;mLen>=8;buffer[offset+i]=m&255,i+=d,m/=256,mLen-=8){}e=e<<mLen|m;eLen+=mLen;for(;eLen>0;buffer[offset+i]=e&255,i+=d,e/=256,eLen-=8){}buffer[offset+i-d]|=s*128}},{}],26:[function(require,module,exports){if(typeof Object.create==="function"){module.exports=function inherits(ctor,superCtor){ctor.super_=superCtor;ctor.prototype=Object.create(superCtor.prototype,{constructor:{value:ctor,enumerable:false,writable:true,configurable:true}})}}else{module.exports=function inherits(ctor,superCtor){ctor.super_=superCtor;var TempCtor=function(){};TempCtor.prototype=superCtor.prototype;ctor.prototype=new TempCtor;ctor.prototype.constructor=ctor}}},{}],27:[function(require,module,exports){"use strict";function iota(n){var result=new Array(n);for(var i=0;i<n;++i){result[i]=i}return result}module.exports=iota},{}],28:[function(require,module,exports){module.exports=function(obj){return obj!=null&&(isBuffer(obj)||isSlowBuffer(obj)||!!obj._isBuffer)};function isBuffer(obj){return!!obj.constructor&&typeof obj.constructor.isBuffer==="function"&&obj.constructor.isBuffer(obj)}function isSlowBuffer(obj){return typeof obj.readFloatLE==="function"&&typeof obj.slice==="function"&&isBuffer(obj.slice(0,0))}},{}],29:[function(require,module,exports){module.exports=Array.isArray||function(arr){return Object.prototype.toString.call(arr)=="[object Array]"}},{}],30:[function(require,module,exports){var encode=require("./lib/encoder"),decode=require("./lib/decoder");module.exports={encode:encode,decode:decode}},{"./lib/decoder":31,"./lib/encoder":32}],31:[function(require,module,exports){(function(Buffer){var JpegImage=function jpegImage(){"use strict";var dctZigZag=new Int32Array([0,1,8,16,9,2,3,10,17,24,32,25,18,11,4,5,12,19,26,33,40,48,41,34,27,20,13,6,7,14,21,28,35,42,49,56,57,50,43,36,29,22,15,23,30,37,44,51,58,59,52,45,38,31,39,46,53,60,61,54,47,55,62,63]);var dctCos1=4017;var dctSin1=799;var dctCos3=3406;var dctSin3=2276;var dctCos6=1567;var dctSin6=3784;var dctSqrt2=5793;var dctSqrt1d2=2896;function constructor(){}function buildHuffmanTable(codeLengths,values){var k=0,code=[],i,j,length=16;while(length>0&&!codeLengths[length-1])length--;code.push({children:[],index:0});var p=code[0],q;for(i=0;i<length;i++){for(j=0;j<codeLengths[i];j++){p=code.pop();p.children[p.index]=values[k];while(p.index>0){p=code.pop()}p.index++;code.push(p);while(code.length<=i){code.push(q={children:[],index:0});p.children[p.index]=q.children;p=q}k++}if(i+1<length){code.push(q={children:[],index:0});p.children[p.index]=q.children;p=q}}return code[0].children}function decodeScan(data,offset,frame,components,resetInterval,spectralStart,spectralEnd,successivePrev,successive){var precision=frame.precision;var samplesPerLine=frame.samplesPerLine;var scanLines=frame.scanLines;var mcusPerLine=frame.mcusPerLine;var progressive=frame.progressive;var maxH=frame.maxH,maxV=frame.maxV;var startOffset=offset,bitsData=0,bitsCount=0;function readBit(){if(bitsCount>0){bitsCount--;return bitsData>>bitsCount&1}bitsData=data[offset++];if(bitsData==255){var nextByte=data[offset++];if(nextByte){throw new Error("unexpected marker: "+(bitsData<<8|nextByte).toString(16))}}bitsCount=7;return bitsData>>>7}function decodeHuffman(tree){var node=tree,bit;while((bit=readBit())!==null){node=node[bit];if(typeof node==="number")return node;if(typeof node!=="object")throw new Error("invalid huffman sequence")}return null}function receive(length){var n=0;while(length>0){var bit=readBit();if(bit===null)return;n=n<<1|bit;length--}return n}function receiveAndExtend(length){var n=receive(length);if(n>=1<<length-1)return n;return n+(-1<<length)+1}function decodeBaseline(component,zz){var t=decodeHuffman(component.huffmanTableDC);var diff=t===0?0:receiveAndExtend(t);zz[0]=component.pred+=diff;var k=1;while(k<64){var rs=decodeHuffman(component.huffmanTableAC);var s=rs&15,r=rs>>4;if(s===0){if(r<15)break;k+=16;continue}k+=r;var z=dctZigZag[k];zz[z]=receiveAndExtend(s);k++}}function decodeDCFirst(component,zz){var t=decodeHuffman(component.huffmanTableDC);var diff=t===0?0:receiveAndExtend(t)<<successive;zz[0]=component.pred+=diff}function decodeDCSuccessive(component,zz){zz[0]|=readBit()<<successive}var eobrun=0;function decodeACFirst(component,zz){if(eobrun>0){eobrun--;return}var k=spectralStart,e=spectralEnd;while(k<=e){var rs=decodeHuffman(component.huffmanTableAC);var s=rs&15,r=rs>>4;if(s===0){if(r<15){eobrun=receive(r)+(1<<r)-1;break}k+=16;continue}k+=r;var z=dctZigZag[k];zz[z]=receiveAndExtend(s)*(1<<successive);k++}}var successiveACState=0,successiveACNextValue;function decodeACSuccessive(component,zz){var k=spectralStart,e=spectralEnd,r=0;while(k<=e){var z=dctZigZag[k];var direction=zz[z]<0?-1:1;switch(successiveACState){case 0:var rs=decodeHuffman(component.huffmanTableAC);var s=rs&15,r=rs>>4;if(s===0){if(r<15){eobrun=receive(r)+(1<<r);successiveACState=4}else{r=16;successiveACState=1}}else{if(s!==1)throw new Error("invalid ACn encoding");successiveACNextValue=receiveAndExtend(s);successiveACState=r?2:3}continue;case 1:case 2:if(zz[z])zz[z]+=(readBit()<<successive)*direction;else{r--;if(r===0)successiveACState=successiveACState==2?3:0}break;case 3:if(zz[z])zz[z]+=(readBit()<<successive)*direction;else{zz[z]=successiveACNextValue<<successive;successiveACState=0}break;case 4:if(zz[z])zz[z]+=(readBit()<<successive)*direction;break}k++}if(successiveACState===4){eobrun--;if(eobrun===0)successiveACState=0}}function decodeMcu(component,decode,mcu,row,col){var mcuRow=mcu/mcusPerLine|0;var mcuCol=mcu%mcusPerLine;var blockRow=mcuRow*component.v+row;var blockCol=mcuCol*component.h+col;decode(component,component.blocks[blockRow][blockCol])}function decodeBlock(component,decode,mcu){var blockRow=mcu/component.blocksPerLine|0;var blockCol=mcu%component.blocksPerLine;decode(component,component.blocks[blockRow][blockCol])}var componentsLength=components.length;var component,i,j,k,n;var decodeFn;if(progressive){if(spectralStart===0)decodeFn=successivePrev===0?decodeDCFirst:decodeDCSuccessive;else decodeFn=successivePrev===0?decodeACFirst:decodeACSuccessive}else{decodeFn=decodeBaseline}var mcu=0,marker;var mcuExpected;if(componentsLength==1){mcuExpected=components[0].blocksPerLine*components[0].blocksPerColumn}else{mcuExpected=mcusPerLine*frame.mcusPerColumn}if(!resetInterval)resetInterval=mcuExpected;var h,v;while(mcu<mcuExpected){for(i=0;i<componentsLength;i++)components[i].pred=0;eobrun=0;if(componentsLength==1){component=components[0];for(n=0;n<resetInterval;n++){decodeBlock(component,decodeFn,mcu);mcu++}}else{for(n=0;n<resetInterval;n++){for(i=0;i<componentsLength;i++){component=components[i];h=component.h;v=component.v;for(j=0;j<v;j++){for(k=0;k<h;k++){decodeMcu(component,decodeFn,mcu,j,k)}}}mcu++;if(mcu===mcuExpected)break}}bitsCount=0;marker=data[offset]<<8|data[offset+1];if(marker<65280){throw new Error("marker was not found")}if(marker>=65488&&marker<=65495){offset+=2}else break}return offset-startOffset}function buildComponentData(frame,component){var lines=[];var blocksPerLine=component.blocksPerLine;var blocksPerColumn=component.blocksPerColumn;var samplesPerLine=blocksPerLine<<3;var R=new Int32Array(64),r=new Uint8Array(64);function quantizeAndInverse(zz,dataOut,dataIn){var qt=component.quantizationTable;var v0,v1,v2,v3,v4,v5,v6,v7,t;var p=dataIn;var i;for(i=0;i<64;i++)p[i]=zz[i]*qt[i];for(i=0;i<8;++i){var row=8*i;if(p[1+row]==0&&p[2+row]==0&&p[3+row]==0&&p[4+row]==0&&p[5+row]==0&&p[6+row]==0&&p[7+row]==0){t=dctSqrt2*p[0+row]+512>>10;p[0+row]=t;p[1+row]=t;p[2+row]=t;p[3+row]=t;p[4+row]=t;p[5+row]=t;p[6+row]=t;p[7+row]=t;continue}v0=dctSqrt2*p[0+row]+128>>8;v1=dctSqrt2*p[4+row]+128>>8;v2=p[2+row];v3=p[6+row];v4=dctSqrt1d2*(p[1+row]-p[7+row])+128>>8;v7=dctSqrt1d2*(p[1+row]+p[7+row])+128>>8;v5=p[3+row]<<4;v6=p[5+row]<<4;t=v0-v1+1>>1;v0=v0+v1+1>>1;v1=t;t=v2*dctSin6+v3*dctCos6+128>>8;v2=v2*dctCos6-v3*dctSin6+128>>8;v3=t;t=v4-v6+1>>1;v4=v4+v6+1>>1;v6=t;t=v7+v5+1>>1;v5=v7-v5+1>>1;v7=t;t=v0-v3+1>>1;v0=v0+v3+1>>1;v3=t;t=v1-v2+1>>1;v1=v1+v2+1>>1;v2=t;t=v4*dctSin3+v7*dctCos3+2048>>12;v4=v4*dctCos3-v7*dctSin3+2048>>12;v7=t;t=v5*dctSin1+v6*dctCos1+2048>>12;v5=v5*dctCos1-v6*dctSin1+2048>>12;v6=t;p[0+row]=v0+v7;p[7+row]=v0-v7;p[1+row]=v1+v6;p[6+row]=v1-v6;p[2+row]=v2+v5;p[5+row]=v2-v5;p[3+row]=v3+v4;p[4+row]=v3-v4}for(i=0;i<8;++i){var col=i;if(p[1*8+col]==0&&p[2*8+col]==0&&p[3*8+col]==0&&p[4*8+col]==0&&p[5*8+col]==0&&p[6*8+col]==0&&p[7*8+col]==0){t=dctSqrt2*dataIn[i+0]+8192>>14;p[0*8+col]=t;p[1*8+col]=t;p[2*8+col]=t;p[3*8+col]=t;p[4*8+col]=t;p[5*8+col]=t;p[6*8+col]=t;p[7*8+col]=t;continue}v0=dctSqrt2*p[0*8+col]+2048>>12;v1=dctSqrt2*p[4*8+col]+2048>>12;v2=p[2*8+col];v3=p[6*8+col];v4=dctSqrt1d2*(p[1*8+col]-p[7*8+col])+2048>>12;v7=dctSqrt1d2*(p[1*8+col]+p[7*8+col])+2048>>12;v5=p[3*8+col];v6=p[5*8+col];t=v0-v1+1>>1;v0=v0+v1+1>>1;v1=t;t=v2*dctSin6+v3*dctCos6+2048>>12;v2=v2*dctCos6-v3*dctSin6+2048>>12;v3=t;t=v4-v6+1>>1;v4=v4+v6+1>>1;v6=t;t=v7+v5+1>>1;v5=v7-v5+1>>1;v7=t;t=v0-v3+1>>1;v0=v0+v3+1>>1;v3=t;t=v1-v2+1>>1;v1=v1+v2+1>>1;v2=t;t=v4*dctSin3+v7*dctCos3+2048>>12;v4=v4*dctCos3-v7*dctSin3+2048>>12;v7=t;t=v5*dctSin1+v6*dctCos1+2048>>12;v5=v5*dctCos1-v6*dctSin1+2048>>12;v6=t;p[0*8+col]=v0+v7;p[7*8+col]=v0-v7;p[1*8+col]=v1+v6;p[6*8+col]=v1-v6;p[2*8+col]=v2+v5;p[5*8+col]=v2-v5;p[3*8+col]=v3+v4;p[4*8+col]=v3-v4}for(i=0;i<64;++i){var sample=128+(p[i]+8>>4);dataOut[i]=sample<0?0:sample>255?255:sample}}var i,j;for(var blockRow=0;blockRow<blocksPerColumn;blockRow++){var scanLine=blockRow<<3;for(i=0;i<8;i++)lines.push(new Uint8Array(samplesPerLine));for(var blockCol=0;blockCol<blocksPerLine;blockCol++){quantizeAndInverse(component.blocks[blockRow][blockCol],r,R);var offset=0,sample=blockCol<<3;for(j=0;j<8;j++){var line=lines[scanLine+j];for(i=0;i<8;i++)line[sample+i]=r[offset++]}}}return lines}function clampTo8bit(a){return a<0?0:a>255?255:a}constructor.prototype={load:function load(path){var xhr=new XMLHttpRequest;xhr.open("GET",path,true);xhr.responseType="arraybuffer";xhr.onload=function(){var data=new Uint8Array(xhr.response||xhr.mozResponseArrayBuffer);this.parse(data);if(this.onload)this.onload()}.bind(this);xhr.send(null)},parse:function parse(data){var offset=0,length=data.length;function readUint16(){var value=data[offset]<<8|data[offset+1];offset+=2;return value}function readDataBlock(){var length=readUint16();var array=data.subarray(offset,offset+length-2);offset+=array.length;return array}function prepareComponents(frame){var maxH=0,maxV=0;var component,componentId;for(componentId in frame.components){if(frame.components.hasOwnProperty(componentId)){component=frame.components[componentId];if(maxH<component.h)maxH=component.h;if(maxV<component.v)maxV=component.v}}var mcusPerLine=Math.ceil(frame.samplesPerLine/8/maxH);var mcusPerColumn=Math.ceil(frame.scanLines/8/maxV);for(componentId in frame.components){if(frame.components.hasOwnProperty(componentId)){component=frame.components[componentId];var blocksPerLine=Math.ceil(Math.ceil(frame.samplesPerLine/8)*component.h/maxH);var blocksPerColumn=Math.ceil(Math.ceil(frame.scanLines/8)*component.v/maxV);var blocksPerLineForMcu=mcusPerLine*component.h;var blocksPerColumnForMcu=mcusPerColumn*component.v;var blocks=[];for(var i=0;i<blocksPerColumnForMcu;i++){var row=[];for(var j=0;j<blocksPerLineForMcu;j++)row.push(new Int32Array(64));blocks.push(row)}component.blocksPerLine=blocksPerLine;component.blocksPerColumn=blocksPerColumn;component.blocks=blocks}}frame.maxH=maxH;frame.maxV=maxV;frame.mcusPerLine=mcusPerLine;frame.mcusPerColumn=mcusPerColumn}var jfif=null;var adobe=null;var pixels=null;var frame,resetInterval;var quantizationTables=[],frames=[];var huffmanTablesAC=[],huffmanTablesDC=[];var fileMarker=readUint16();if(fileMarker!=65496){throw new Error("SOI not found")}fileMarker=readUint16();while(fileMarker!=65497){var i,j,l;switch(fileMarker){case 65280:break;case 65504:case 65505:case 65506:case 65507:case 65508:case 65509:case 65510:case 65511:case 65512:case 65513:case 65514:case 65515:case 65516:case 65517:case 65518:case 65519:case 65534:var appData=readDataBlock();if(fileMarker===65504){if(appData[0]===74&&appData[1]===70&&appData[2]===73&&appData[3]===70&&appData[4]===0){jfif={version:{major:appData[5],minor:appData[6]},densityUnits:appData[7],xDensity:appData[8]<<8|appData[9],yDensity:appData[10]<<8|appData[11],thumbWidth:appData[12],thumbHeight:appData[13],thumbData:appData.subarray(14,14+3*appData[12]*appData[13])}}}if(fileMarker===65518){if(appData[0]===65&&appData[1]===100&&appData[2]===111&&appData[3]===98&&appData[4]===101&&appData[5]===0){adobe={version:appData[6],flags0:appData[7]<<8|appData[8],flags1:appData[9]<<8|appData[10],transformCode:appData[11]}}}break;case 65499:var quantizationTablesLength=readUint16();var quantizationTablesEnd=quantizationTablesLength+offset-2;while(offset<quantizationTablesEnd){var quantizationTableSpec=data[offset++];var tableData=new Int32Array(64);if(quantizationTableSpec>>4===0){for(j=0;j<64;j++){var z=dctZigZag[j];tableData[z]=data[offset++]}}else if(quantizationTableSpec>>4===1){for(j=0;j<64;j++){var z=dctZigZag[j];tableData[z]=readUint16()}}else throw new Error("DQT: invalid table spec");quantizationTables[quantizationTableSpec&15]=tableData}break;case 65472:case 65473:case 65474:readUint16();frame={};frame.extended=fileMarker===65473;frame.progressive=fileMarker===65474;frame.precision=data[offset++];frame.scanLines=readUint16();frame.samplesPerLine=readUint16();frame.components={};frame.componentsOrder=[];var componentsCount=data[offset++],componentId;var maxH=0,maxV=0;for(i=0;i<componentsCount;i++){componentId=data[offset];var h=data[offset+1]>>4;var v=data[offset+1]&15;var qId=data[offset+2];frame.componentsOrder.push(componentId);frame.components[componentId]={h:h,v:v,quantizationIdx:qId};offset+=3}prepareComponents(frame);frames.push(frame);break;case 65476:var huffmanLength=readUint16();for(i=2;i<huffmanLength;){var huffmanTableSpec=data[offset++];var codeLengths=new Uint8Array(16);var codeLengthSum=0;for(j=0;j<16;j++,offset++)codeLengthSum+=codeLengths[j]=data[offset];var huffmanValues=new Uint8Array(codeLengthSum);for(j=0;j<codeLengthSum;j++,offset++)huffmanValues[j]=data[offset];i+=17+codeLengthSum;(huffmanTableSpec>>4===0?huffmanTablesDC:huffmanTablesAC)[huffmanTableSpec&15]=buildHuffmanTable(codeLengths,huffmanValues)}break;case 65501:readUint16();resetInterval=readUint16();break;case 65498:var scanLength=readUint16();var selectorsCount=data[offset++];var components=[],component;for(i=0;i<selectorsCount;i++){component=frame.components[data[offset++]];var tableSpec=data[offset++];component.huffmanTableDC=huffmanTablesDC[tableSpec>>4];component.huffmanTableAC=huffmanTablesAC[tableSpec&15];components.push(component)}var spectralStart=data[offset++];var spectralEnd=data[offset++];var successiveApproximation=data[offset++];var processed=decodeScan(data,offset,frame,components,resetInterval,spectralStart,spectralEnd,successiveApproximation>>4,successiveApproximation&15);offset+=processed;break;default:if(data[offset-3]==255&&data[offset-2]>=192&&data[offset-2]<=254){offset-=3;break}throw new Error("unknown JPEG marker "+fileMarker.toString(16))}fileMarker=readUint16()}if(frames.length!=1)throw new Error("only single frame JPEGs supported");for(var i=0;i<frames.length;i++){var cp=frames[i].components;for(var j in cp){cp[j].quantizationTable=quantizationTables[cp[j].quantizationIdx];delete cp[j].quantizationIdx}}this.width=frame.samplesPerLine;this.height=frame.scanLines;this.jfif=jfif;this.adobe=adobe;this.components=[];for(var i=0;i<frame.componentsOrder.length;i++){var component=frame.components[frame.componentsOrder[i]];this.components.push({lines:buildComponentData(frame,component),scaleX:component.h/frame.maxH,scaleY:component.v/frame.maxV})}},getData:function getData(width,height){var scaleX=this.width/width,scaleY=this.height/height;var component1,component2,component3,component4;var component1Line,component2Line,component3Line,component4Line;var x,y;var offset=0;var Y,Cb,Cr,K,C,M,Ye,R,G,B;var colorTransform;var dataLength=width*height*this.components.length;var data=new Uint8Array(dataLength);switch(this.components.length){case 1:component1=this.components[0];for(y=0;y<height;y++){component1Line=component1.lines[0|y*component1.scaleY*scaleY];for(x=0;x<width;x++){Y=component1Line[0|x*component1.scaleX*scaleX];data[offset++]=Y}}break;case 2:component1=this.components[0];component2=this.components[1];for(y=0;y<height;y++){component1Line=component1.lines[0|y*component1.scaleY*scaleY];component2Line=component2.lines[0|y*component2.scaleY*scaleY];for(x=0;x<width;x++){Y=component1Line[0|x*component1.scaleX*scaleX];data[offset++]=Y;Y=component2Line[0|x*component2.scaleX*scaleX];data[offset++]=Y}}break;case 3:colorTransform=true;if(this.adobe&&this.adobe.transformCode)colorTransform=true;else if(typeof this.colorTransform!=="undefined")colorTransform=!!this.colorTransform;component1=this.components[0];component2=this.components[1];component3=this.components[2];for(y=0;y<height;y++){component1Line=component1.lines[0|y*component1.scaleY*scaleY];component2Line=component2.lines[0|y*component2.scaleY*scaleY];component3Line=component3.lines[0|y*component3.scaleY*scaleY];for(x=0;x<width;x++){if(!colorTransform){R=component1Line[0|x*component1.scaleX*scaleX];G=component2Line[0|x*component2.scaleX*scaleX];B=component3Line[0|x*component3.scaleX*scaleX]}else{Y=component1Line[0|x*component1.scaleX*scaleX];Cb=component2Line[0|x*component2.scaleX*scaleX];Cr=component3Line[0|x*component3.scaleX*scaleX];R=clampTo8bit(Y+1.402*(Cr-128));G=clampTo8bit(Y-.3441363*(Cb-128)-.71413636*(Cr-128));B=clampTo8bit(Y+1.772*(Cb-128))}data[offset++]=R;data[offset++]=G;data[offset++]=B}}break;case 4:if(!this.adobe)throw"Unsupported color mode (4 components)";colorTransform=false;if(this.adobe&&this.adobe.transformCode)colorTransform=true;else if(typeof this.colorTransform!=="undefined")colorTransform=!!this.colorTransform;component1=this.components[0];component2=this.components[1];component3=this.components[2];component4=this.components[3];for(y=0;y<height;y++){component1Line=component1.lines[0|y*component1.scaleY*scaleY];component2Line=component2.lines[0|y*component2.scaleY*scaleY];component3Line=component3.lines[0|y*component3.scaleY*scaleY];component4Line=component4.lines[0|y*component4.scaleY*scaleY];for(x=0;x<width;x++){if(!colorTransform){C=component1Line[0|x*component1.scaleX*scaleX];M=component2Line[0|x*component2.scaleX*scaleX];Ye=component3Line[0|x*component3.scaleX*scaleX];K=component4Line[0|x*component4.scaleX*scaleX]}else{Y=component1Line[0|x*component1.scaleX*scaleX];Cb=component2Line[0|x*component2.scaleX*scaleX];Cr=component3Line[0|x*component3.scaleX*scaleX];K=component4Line[0|x*component4.scaleX*scaleX];C=255-clampTo8bit(Y+1.402*(Cr-128));M=255-clampTo8bit(Y-.3441363*(Cb-128)-.71413636*(Cr-128));Ye=255-clampTo8bit(Y+1.772*(Cb-128))}data[offset++]=255-C;data[offset++]=255-M;data[offset++]=255-Ye;data[offset++]=255-K}}break;default:throw"Unsupported color mode"}return data},copyToImageData:function copyToImageData(imageData){var width=imageData.width,height=imageData.height;var imageDataArray=imageData.data;var data=this.getData(width,height);var i=0,j=0,x,y;var Y,K,C,M,R,G,B;switch(this.components.length){case 1:for(y=0;y<height;y++){for(x=0;x<width;x++){Y=data[i++];imageDataArray[j++]=Y;imageDataArray[j++]=Y;imageDataArray[j++]=Y;imageDataArray[j++]=255}}break;case 3:for(y=0;y<height;y++){for(x=0;x<width;x++){R=data[i++];G=data[i++];B=data[i++];imageDataArray[j++]=R;imageDataArray[j++]=G;imageDataArray[j++]=B;imageDataArray[j++]=255}}break;case 4:for(y=0;y<height;y++){for(x=0;x<width;x++){C=data[i++];M=data[i++];Y=data[i++];K=data[i++];R=255-clampTo8bit(C*(1-K/255)+K);G=255-clampTo8bit(M*(1-K/255)+K);B=255-clampTo8bit(Y*(1-K/255)+K);imageDataArray[j++]=R;imageDataArray[j++]=G;imageDataArray[j++]=B;imageDataArray[j++]=255}}break;default:throw"Unsupported color mode"}}};return constructor}();module.exports=decode;function decode(jpegData,useTArray){var arr=new Uint8Array(jpegData);var decoder=new JpegImage;decoder.parse(arr);var image={width:decoder.width,height:decoder.height,data:useTArray?new Uint8Array(decoder.width*decoder.height*4):new Buffer(decoder.width*decoder.height*4)};decoder.copyToImageData(image);return image}}).call(this,require("buffer").Buffer)},{buffer:7}],32:[function(require,module,exports){(function(Buffer){var btoa=btoa||function(buf){return new Buffer(buf).toString("base64")};function JPEGEncoder(quality){var self=this;var fround=Math.round;var ffloor=Math.floor;var YTable=new Array(64);var UVTable=new Array(64);var fdtbl_Y=new Array(64);var fdtbl_UV=new Array(64);var YDC_HT;var UVDC_HT;var YAC_HT;var UVAC_HT;var bitcode=new Array(65535);var category=new Array(65535);var outputfDCTQuant=new Array(64);var DU=new Array(64);var byteout=[];var bytenew=0;var bytepos=7;var YDU=new Array(64);var UDU=new Array(64);var VDU=new Array(64);var clt=new Array(256);var RGB_YUV_TABLE=new Array(2048);var currentQuality;var ZigZag=[0,1,5,6,14,15,27,28,2,4,7,13,16,26,29,42,3,8,12,17,25,30,41,43,9,11,18,24,31,40,44,53,10,19,23,32,39,45,52,54,20,22,33,38,46,51,55,60,21,34,37,47,50,56,59,61,35,36,48,49,57,58,62,63];var std_dc_luminance_nrcodes=[0,0,1,5,1,1,1,1,1,1,0,0,0,0,0,0,0];var std_dc_luminance_values=[0,1,2,3,4,5,6,7,8,9,10,11];var std_ac_luminance_nrcodes=[0,0,2,1,3,3,2,4,3,5,5,4,4,0,0,1,125];var std_ac_luminance_values=[1,2,3,0,4,17,5,18,33,49,65,6,19,81,97,7,34,113,20,50,129,145,161,8,35,66,177,193,21,82,209,240,36,51,98,114,130,9,10,22,23,24,25,26,37,38,39,40,41,42,52,53,54,55,56,57,58,67,68,69,70,71,72,73,74,83,84,85,86,87,88,89,90,99,100,101,102,103,104,105,106,115,116,117,118,119,120,121,122,131,132,133,134,135,136,137,138,146,147,148,149,150,151,152,153,154,162,163,164,165,166,167,168,169,170,178,179,180,181,182,183,184,185,186,194,195,196,197,198,199,200,201,202,210,211,212,213,214,215,216,217,218,225,226,227,228,229,230,231,232,233,234,241,242,243,244,245,246,247,248,249,250];var std_dc_chrominance_nrcodes=[0,0,3,1,1,1,1,1,1,1,1,1,0,0,0,0,0];var std_dc_chrominance_values=[0,1,2,3,4,5,6,7,8,9,10,11];var std_ac_chrominance_nrcodes=[0,0,2,1,2,4,4,3,4,7,5,4,4,0,1,2,119];var std_ac_chrominance_values=[0,1,2,3,17,4,5,33,49,6,18,65,81,7,97,113,19,34,50,129,8,20,66,145,161,177,193,9,35,51,82,240,21,98,114,209,10,22,36,52,225,37,241,23,24,25,26,38,39,40,41,42,53,54,55,56,57,58,67,68,69,70,71,72,73,74,83,84,85,86,87,88,89,90,99,100,101,102,103,104,105,106,115,116,117,118,119,120,121,122,130,131,132,133,134,135,136,137,138,146,147,148,149,150,151,152,153,154,162,163,164,165,166,167,168,169,170,178,179,180,181,182,183,184,185,186,194,195,196,197,198,199,200,201,202,210,211,212,213,214,215,216,217,218,226,227,228,229,230,231,232,233,234,242,243,244,245,246,247,248,249,250];function initQuantTables(sf){var YQT=[16,11,10,16,24,40,51,61,12,12,14,19,26,58,60,55,14,13,16,24,40,57,69,56,14,17,22,29,51,87,80,62,18,22,37,56,68,109,103,77,24,35,55,64,81,104,113,92,49,64,78,87,103,121,120,101,72,92,95,98,112,100,103,99];for(var i=0;i<64;i++){var t=ffloor((YQT[i]*sf+50)/100);if(t<1){t=1}else if(t>255){t=255}YTable[ZigZag[i]]=t}var UVQT=[17,18,24,47,99,99,99,99,18,21,26,66,99,99,99,99,24,26,56,99,99,99,99,99,47,66,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99,99];for(var j=0;j<64;j++){var u=ffloor((UVQT[j]*sf+50)/100);if(u<1){u=1}else if(u>255){u=255}UVTable[ZigZag[j]]=u}var aasf=[1,1.387039845,1.306562965,1.175875602,1,.785694958,.5411961,.275899379];var k=0;for(var row=0;row<8;row++){for(var col=0;col<8;col++){fdtbl_Y[k]=1/(YTable[ZigZag[k]]*aasf[row]*aasf[col]*8);fdtbl_UV[k]=1/(UVTable[ZigZag[k]]*aasf[row]*aasf[col]*8);k++}}}function computeHuffmanTbl(nrcodes,std_table){var codevalue=0;var pos_in_table=0;var HT=new Array;for(var k=1;k<=16;k++){for(var j=1;j<=nrcodes[k];j++){HT[std_table[pos_in_table]]=[];HT[std_table[pos_in_table]][0]=codevalue;HT[std_table[pos_in_table]][1]=k;pos_in_table++;codevalue++}codevalue*=2}return HT}function initHuffmanTbl(){YDC_HT=computeHuffmanTbl(std_dc_luminance_nrcodes,std_dc_luminance_values);UVDC_HT=computeHuffmanTbl(std_dc_chrominance_nrcodes,std_dc_chrominance_values);YAC_HT=computeHuffmanTbl(std_ac_luminance_nrcodes,std_ac_luminance_values);UVAC_HT=computeHuffmanTbl(std_ac_chrominance_nrcodes,std_ac_chrominance_values)}function initCategoryNumber(){var nrlower=1;var nrupper=2;for(var cat=1;cat<=15;cat++){for(var nr=nrlower;nr<nrupper;nr++){category[32767+nr]=cat;bitcode[32767+nr]=[];bitcode[32767+nr][1]=cat;bitcode[32767+nr][0]=nr}for(var nrneg=-(nrupper-1);nrneg<=-nrlower;nrneg++){category[32767+nrneg]=cat;bitcode[32767+nrneg]=[];bitcode[32767+nrneg][1]=cat;bitcode[32767+nrneg][0]=nrupper-1+nrneg}nrlower<<=1;nrupper<<=1}}function initRGBYUVTable(){for(var i=0;i<256;i++){RGB_YUV_TABLE[i]=19595*i;RGB_YUV_TABLE[i+256>>0]=38470*i;RGB_YUV_TABLE[i+512>>0]=7471*i+32768;RGB_YUV_TABLE[i+768>>0]=-11059*i;RGB_YUV_TABLE[i+1024>>0]=-21709*i;RGB_YUV_TABLE[i+1280>>0]=32768*i+8421375;RGB_YUV_TABLE[i+1536>>0]=-27439*i;RGB_YUV_TABLE[i+1792>>0]=-5329*i}}function writeBits(bs){var value=bs[0];var posval=bs[1]-1;while(posval>=0){if(value&1<<posval){bytenew|=1<<bytepos}posval--;bytepos--;if(bytepos<0){if(bytenew==255){writeByte(255);writeByte(0)}else{writeByte(bytenew)}bytepos=7;bytenew=0}}}function writeByte(value){byteout.push(value)}function writeWord(value){writeByte(value>>8&255);writeByte(value&255)}function fDCTQuant(data,fdtbl){var d0,d1,d2,d3,d4,d5,d6,d7;var dataOff=0;var i;var I8=8;var I64=64;for(i=0;i<I8;++i){d0=data[dataOff];d1=data[dataOff+1];d2=data[dataOff+2];d3=data[dataOff+3];d4=data[dataOff+4];d5=data[dataOff+5];d6=data[dataOff+6];d7=data[dataOff+7];var tmp0=d0+d7;var tmp7=d0-d7;var tmp1=d1+d6;var tmp6=d1-d6;var tmp2=d2+d5;var tmp5=d2-d5;var tmp3=d3+d4;var tmp4=d3-d4;var tmp10=tmp0+tmp3;var tmp13=tmp0-tmp3;var tmp11=tmp1+tmp2;var tmp12=tmp1-tmp2;data[dataOff]=tmp10+tmp11;data[dataOff+4]=tmp10-tmp11;var z1=(tmp12+tmp13)*.707106781;data[dataOff+2]=tmp13+z1;data[dataOff+6]=tmp13-z1;tmp10=tmp4+tmp5;tmp11=tmp5+tmp6;tmp12=tmp6+tmp7;var z5=(tmp10-tmp12)*.382683433;var z2=.5411961*tmp10+z5;var z4=1.306562965*tmp12+z5;var z3=tmp11*.707106781;var z11=tmp7+z3;var z13=tmp7-z3;data[dataOff+5]=z13+z2;data[dataOff+3]=z13-z2;data[dataOff+1]=z11+z4;data[dataOff+7]=z11-z4;dataOff+=8}dataOff=0;for(i=0;i<I8;++i){d0=data[dataOff];d1=data[dataOff+8];d2=data[dataOff+16];d3=data[dataOff+24];d4=data[dataOff+32];d5=data[dataOff+40];d6=data[dataOff+48];d7=data[dataOff+56];var tmp0p2=d0+d7;var tmp7p2=d0-d7;var tmp1p2=d1+d6;var tmp6p2=d1-d6;var tmp2p2=d2+d5;var tmp5p2=d2-d5;var tmp3p2=d3+d4;var tmp4p2=d3-d4;var tmp10p2=tmp0p2+tmp3p2;var tmp13p2=tmp0p2-tmp3p2;var tmp11p2=tmp1p2+tmp2p2;var tmp12p2=tmp1p2-tmp2p2;data[dataOff]=tmp10p2+tmp11p2;data[dataOff+32]=tmp10p2-tmp11p2;var z1p2=(tmp12p2+tmp13p2)*.707106781;data[dataOff+16]=tmp13p2+z1p2;data[dataOff+48]=tmp13p2-z1p2;tmp10p2=tmp4p2+tmp5p2;tmp11p2=tmp5p2+tmp6p2;tmp12p2=tmp6p2+tmp7p2;var z5p2=(tmp10p2-tmp12p2)*.382683433;var z2p2=.5411961*tmp10p2+z5p2;var z4p2=1.306562965*tmp12p2+z5p2;var z3p2=tmp11p2*.707106781;var z11p2=tmp7p2+z3p2;var z13p2=tmp7p2-z3p2;data[dataOff+40]=z13p2+z2p2;data[dataOff+24]=z13p2-z2p2;data[dataOff+8]=z11p2+z4p2;data[dataOff+56]=z11p2-z4p2;dataOff++}var fDCTQuant;for(i=0;i<I64;++i){fDCTQuant=data[i]*fdtbl[i];outputfDCTQuant[i]=fDCTQuant>0?fDCTQuant+.5|0:fDCTQuant-.5|0}return outputfDCTQuant}function writeAPP0(){writeWord(65504);writeWord(16);writeByte(74);writeByte(70);writeByte(73);writeByte(70);writeByte(0);writeByte(1);writeByte(1);writeByte(0);writeWord(1);writeWord(1);writeByte(0);writeByte(0)}function writeSOF0(width,height){writeWord(65472);writeWord(17);writeByte(8);writeWord(height);writeWord(width);writeByte(3);writeByte(1);writeByte(17);writeByte(0);writeByte(2);writeByte(17);writeByte(1);writeByte(3);writeByte(17);writeByte(1)}function writeDQT(){writeWord(65499);writeWord(132);writeByte(0);for(var i=0;i<64;i++){writeByte(YTable[i])}writeByte(1);for(var j=0;j<64;j++){writeByte(UVTable[j])}}function writeDHT(){writeWord(65476);writeWord(418);writeByte(0);for(var i=0;i<16;i++){writeByte(std_dc_luminance_nrcodes[i+1])}for(var j=0;j<=11;j++){writeByte(std_dc_luminance_values[j])}writeByte(16);for(var k=0;k<16;k++){writeByte(std_ac_luminance_nrcodes[k+1])}for(var l=0;l<=161;l++){writeByte(std_ac_luminance_values[l])}writeByte(1);for(var m=0;m<16;m++){writeByte(std_dc_chrominance_nrcodes[m+1])}for(var n=0;n<=11;n++){writeByte(std_dc_chrominance_values[n])}writeByte(17);for(var o=0;o<16;o++){writeByte(std_ac_chrominance_nrcodes[o+1])}for(var p=0;p<=161;p++){writeByte(std_ac_chrominance_values[p])}}function writeSOS(){writeWord(65498);writeWord(12);writeByte(3);writeByte(1);writeByte(0);writeByte(2);writeByte(17);writeByte(3);writeByte(17);writeByte(0);writeByte(63);writeByte(0)}function processDU(CDU,fdtbl,DC,HTDC,HTAC){var EOB=HTAC[0];var M16zeroes=HTAC[240];var pos;var I16=16;var I63=63;var I64=64;var DU_DCT=fDCTQuant(CDU,fdtbl);for(var j=0;j<I64;++j){DU[ZigZag[j]]=DU_DCT[j]}var Diff=DU[0]-DC;DC=DU[0];if(Diff==0){writeBits(HTDC[0])}else{pos=32767+Diff;writeBits(HTDC[category[pos]]);writeBits(bitcode[pos])}var end0pos=63;for(;end0pos>0&&DU[end0pos]==0;end0pos--){}if(end0pos==0){writeBits(EOB);return DC}var i=1;var lng;while(i<=end0pos){var startpos=i;for(;DU[i]==0&&i<=end0pos;++i){}var nrzeroes=i-startpos;if(nrzeroes>=I16){lng=nrzeroes>>4;for(var nrmarker=1;nrmarker<=lng;++nrmarker)writeBits(M16zeroes);nrzeroes=nrzeroes&15}pos=32767+DU[i];writeBits(HTAC[(nrzeroes<<4)+category[pos]]);writeBits(bitcode[pos]);i++}if(end0pos!=I63){writeBits(EOB)}return DC}function initCharLookupTable(){var sfcc=String.fromCharCode;for(var i=0;i<256;i++){clt[i]=sfcc(i)}}this.encode=function(image,quality){var time_start=(new Date).getTime();if(quality)setQuality(quality);byteout=new Array;bytenew=0;bytepos=7;writeWord(65496);writeAPP0();writeDQT();writeSOF0(image.width,image.height);writeDHT();writeSOS();var DCY=0;var DCU=0;var DCV=0;bytenew=0;bytepos=7;this.encode.displayName="_encode_";var imageData=image.data;var width=image.width;var height=image.height;var quadWidth=width*4;var tripleWidth=width*3;var x,y=0;var r,g,b;var start,p,col,row,pos;while(y<height){x=0;while(x<quadWidth){start=quadWidth*y+x;p=start;col=-1;row=0;for(pos=0;pos<64;pos++){row=pos>>3;col=(pos&7)*4;p=start+row*quadWidth+col;if(y+row>=height){p-=quadWidth*(y+1+row-height)}if(x+col>=quadWidth){p-=x+col-quadWidth+4}r=imageData[p++];g=imageData[p++];b=imageData[p++];YDU[pos]=(RGB_YUV_TABLE[r]+RGB_YUV_TABLE[g+256>>0]+RGB_YUV_TABLE[b+512>>0]>>16)-128;UDU[pos]=(RGB_YUV_TABLE[r+768>>0]+RGB_YUV_TABLE[g+1024>>0]+RGB_YUV_TABLE[b+1280>>0]>>16)-128;VDU[pos]=(RGB_YUV_TABLE[r+1280>>0]+RGB_YUV_TABLE[g+1536>>0]+RGB_YUV_TABLE[b+1792>>0]>>16)-128}DCY=processDU(YDU,fdtbl_Y,DCY,YDC_HT,YAC_HT);DCU=processDU(UDU,fdtbl_UV,DCU,UVDC_HT,UVAC_HT);DCV=processDU(VDU,fdtbl_UV,DCV,UVDC_HT,UVAC_HT);x+=32}y+=8}if(bytepos>=0){var fillbits=[];fillbits[1]=bytepos+1;fillbits[0]=(1<<bytepos+1)-1;writeBits(fillbits)}writeWord(65497);return new Buffer(byteout);var jpegDataUri="data:image/jpeg;base64,"+btoa(byteout.join(""));byteout=[];var duration=(new Date).getTime()-time_start;return jpegDataUri};function setQuality(quality){if(quality<=0){quality=1}if(quality>100){quality=100}if(currentQuality==quality)return;var sf=0;if(quality<50){sf=Math.floor(5e3/quality)}else{sf=Math.floor(200-quality*2)}initQuantTables(sf);currentQuality=quality}function init(){var time_start=(new Date).getTime();if(!quality)quality=50;initCharLookupTable();initHuffmanTbl();initCategoryNumber();initRGBYUVTable();setQuality(quality);var duration=(new Date).getTime()-time_start}init()}module.exports=encode;function encode(imgData,qu){if(typeof qu==="undefined")qu=50;var encoder=new JPEGEncoder(qu);var data=encoder.encode(imgData,qu);return{data:data,width:imgData.width,height:imgData.height}}function getImageDataFromImage(idOrElement){var theImg=typeof idOrElement=="string"?document.getElementById(idOrElement):idOrElement;var cvs=document.createElement("canvas");cvs.width=theImg.width;cvs.height=theImg.height;var ctx=cvs.getContext("2d");ctx.drawImage(theImg,0,0);return ctx.getImageData(0,0,cvs.width,cvs.height)}}).call(this,require("buffer").Buffer)},{buffer:7}],33:[function(require,module,exports){"use strict";var MultiRange=function(){function MultiRange(data){function isArray(x){return Object.prototype.toString.call(x)==="[object Array]"}this.ranges=[];if(typeof data==="string"){this.parseString(data)}else if(typeof data==="number"){this.appendRange(data,data)}else if(data instanceof MultiRange){this.ranges=data.getRanges()}else if(isArray(data)){for(var _i=0,_a=data;_i<_a.length;_i++){var item=_a[_i];if(isArray(item)){if(item.length===2){this.appendRange(item[0],item[1])}else{throw new TypeError("Invalid array initializer")}}else if(typeof item==="number"){this.append(item)}else{throw new TypeError("Invalid array initialzer")}}}else if(data!==undefined){throw new TypeError("Invalid input")}}MultiRange.prototype.parseString=function(data){function toInt(str){var m=str.match(/^\(?(\-?\d+)/);return parseInt(m[1],10)}var s=data.replace(/\s/g,"");if(!s.length)return;var match;for(var _i=0,_a=s.split(",");_i<_a.length;_i++){var r=_a[_i];if(match=r.match(/^(\d+|\(\-?\d+\))$/)){var val=toInt(match[1]);this.appendRange(val,val)}else if(match=r.match(/^(\d+|\(\-?\d+\))?\-(\d+|\(\-?\d+\))?$/)){var min=match[1]===undefined?-Infinity:toInt(match[1]);var max=match[2]===undefined?+Infinity:toInt(match[2]);this.appendRange(min,max)}else{throw new SyntaxError("Invalid input")}}};MultiRange.prototype.clone=function(){return new MultiRange(this)};MultiRange.prototype.append=function(value){if(value===undefined){throw new TypeError("Invalid input")}else if(value instanceof MultiRange){for(var _i=0,_a=value.ranges;_i<_a.length;_i++){var r=_a[_i];this.appendRange(r[0],r[1])}return this}else{return this.append(new MultiRange(value))}};MultiRange.prototype.appendRange=function(min,max){var newRange=[min,max];if(newRange[0]>newRange[1]){newRange=[newRange[1],newRange[0]]}if(newRange[0]===Infinity&&newRange[1]===Infinity||newRange[0]===-Infinity&&newRange[1]===-Infinity){throw new RangeError("Infinity can be used only within an unbounded range segment")}var overlap=this.findOverlap(newRange);this.ranges.splice(overlap.lo,overlap.count,overlap.union);return this};MultiRange.prototype.subtract=function(value){if(value===undefined){throw new TypeError("Invalid input")}else if(value instanceof MultiRange){for(var _i=0,_a=value.ranges;_i<_a.length;_i++){var r=_a[_i];this.subtractRange(r[0],r[1])}return this}else{return this.subtract(new MultiRange(value))}};MultiRange.prototype.subtractRange=function(min,max){var newRange=[min,max];if(newRange[0]>newRange[1]){newRange=[newRange[1],newRange[0]]}var overlap=this.findOverlap(newRange);if(overlap.count>0){var remain=[];if(this.ranges[overlap.lo][0]<newRange[0]){remain.push([this.ranges[overlap.lo][0],newRange[0]-1])}if(newRange[1]<this.ranges[overlap.lo+overlap.count-1][1]){remain.push([newRange[1]+1,this.ranges[overlap.lo+overlap.count-1][1]])}this.ranges.splice.apply(this.ranges,[overlap.lo,overlap.count].concat(remain))}return this};MultiRange.prototype.intersect=function(value){if(value===undefined){throw new TypeError("Invalid input")}else if(value instanceof MultiRange){var result=[];var jstart=0;for(var i=0;i<this.ranges.length;i++){var r1=this.ranges[i];for(var j=jstart;j<value.ranges.length;j++){var r2=value.ranges[j];if(r1[0]<=r2[1]&&r1[1]>=r2[0]){jstart=j;var min=Math.max(r1[0],r2[0]);var max=Math.min(r1[1],r2[1]);result.push([min,max])}else if(r1[1]<r2[0]){break}}}this.ranges=result;return this}else{return this.intersect(new MultiRange(value))}};MultiRange.prototype.findOverlap=function(target){for(var hi=this.ranges.length-1;hi>=0;hi--){var r=this.ranges[hi];var union=void 0;if(union=this.calcUnion(r,target)){var count=1;var tmp=void 0;while(hi-count>=0&&(tmp=this.calcUnion(union,this.ranges[hi-count]))){union=tmp;count++}return{lo:hi+1-count,count:count,union:union}}else if(r[1]<target[0]){return{lo:hi+1,count:0,union:target}}}return{lo:0,count:0,union:target}};MultiRange.prototype.calcUnion=function(a,b){if(a[1]+1<b[0]||a[0]-1>b[1]){return null}return[Math.min(a[0],b[0]),Math.max(a[1],b[1])]};MultiRange.prototype.getRanges=function(){var result=[];for(var _i=0,_a=this.ranges;_i<_a.length;_i++){var r=_a[_i];result.push([r[0],r[1]])}return result};MultiRange.prototype.has=function(value){if(value===undefined){throw new TypeError("Invalid input")}else if(value instanceof MultiRange){var s=0;var len=this.ranges.length;for(var _i=0,_a=value.ranges;_i<_a.length;_i++){var tr=_a[_i];var i=void 0;for(i=s;i<len;i++){var my=this.ranges[i];if(tr[0]>=my[0]&&tr[1]<=my[1]&&tr[1]>=my[0]&&tr[1]<=my[1])break}if(i===len)return false}return true}else{return this.has(new MultiRange(value))}};MultiRange.prototype.hasRange=function(min,max){return this.has(new MultiRange([[min,max]]))};MultiRange.prototype.segmentLength=function(){return this.ranges.length};MultiRange.prototype.length=function(){if(this.isUnbounded())return Infinity;var result=0;for(var _i=0,_a=this.ranges;_i<_a.length;_i++){var r=_a[_i];result+=r[1]-r[0]+1}return result};MultiRange.prototype.equals=function(cmp){if(cmp===undefined){throw new TypeError("Invalid input")}else if(cmp instanceof MultiRange){if(cmp===this)return true;if(this.ranges.length!==cmp.ranges.length)return false;for(var i=0;i<this.ranges.length;i++){if(this.ranges[i][0]!==cmp.ranges[i][0]||this.ranges[i][1]!==cmp.ranges[i][1])return false}return true}else{return this.equals(new MultiRange(cmp))}};MultiRange.prototype.isUnbounded=function(){return this.ranges.length>0&&(this.ranges[0][0]===-Infinity||this.ranges[this.ranges.length-1][1]===Infinity)};MultiRange.prototype.min=function(){if(this.ranges.length===0)return undefined;return this.ranges[0][0]};MultiRange.prototype.max=function(){if(this.ranges.length===0)return undefined;return this.ranges[this.ranges.length-1][1]};MultiRange.prototype.shift=function(){var min=this.min();if(min===-Infinity)throw new RangeError("shift() was invoked on an unbounded MultiRange which contains -Infinity");if(min!==undefined)this.subtract(min);return min};MultiRange.prototype.pop=function(){var max=this.max();if(max===Infinity)throw new RangeError("pop() was invoked on an unbounded MultiRange which contains +Infinity");if(max!==undefined)this.subtract(max);return max};MultiRange.prototype.toString=function(){function wrap(i){return i>=0?String(i):"("+i+")"}var ranges=[];for(var _i=0,_a=this.ranges;_i<_a.length;_i++){var r=_a[_i];if(r[0]===-Infinity){if(r[1]===Infinity){ranges.push("-")}else{ranges.push("-"+wrap(r[1]))}}else if(r[1]===Infinity){ranges.push(wrap(r[0])+"-")}else if(r[0]==r[1]){ranges.push(wrap(r[0]))}else{ranges.push(wrap(r[0])+"-"+wrap(r[1]))}}return ranges.join(",")};MultiRange.prototype.toArray=function(){if(this.isUnbounded()){throw new RangeError("You cannot build an array from an unbounded range")}var result=new Array(this.length());var idx=0;for(var _i=0,_a=this.ranges;_i<_a.length;_i++){var r=_a[_i];for(var n=r[0];n<=r[1];n++){result[idx++]=n}}return result};MultiRange.prototype.getIterator=function(){var _this=this;if(this.isUnbounded()){throw new RangeError("Unbounded ranges cannot be iterated over")}var i=0,curRange=this.ranges[i],j=curRange?curRange[0]:undefined;return{next:function(){if(!curRange)return{done:true};var ret=j;if(++j>curRange[1]){curRange=_this.ranges[++i];j=curRange?curRange[0]:undefined}return{value:ret}}}};return MultiRange}();exports.MultiRange=MultiRange;if(typeof Symbol==="function"&&typeof Symbol.iterator==="symbol"){MultiRange.prototype[Symbol.iterator]=MultiRange.prototype.getIterator}function multirange(data){return new MultiRange(data)}exports.multirange=multirange},{}],34:[function(require,module,exports){"use strict";var compile=require("cwise-compiler");var EmptyProc={body:"",args:[],thisVars:[],localVars:[]};function fixup(x){if(!x){return EmptyProc}for(var i=0;i<x.args.length;++i){var a=x.args[i];if(i===0){x.args[i]={name:a,lvalue:true,rvalue:!!x.rvalue,count:x.count||1}}else{x.args[i]={name:a,lvalue:false,rvalue:true,count:1}}}if(!x.thisVars){x.thisVars=[]}if(!x.localVars){x.localVars=[]}return x}function pcompile(user_args){return compile({args:user_args.args,pre:fixup(user_args.pre),body:fixup(user_args.body),post:fixup(user_args.proc),funcName:user_args.funcName})}function makeOp(user_args){var args=[];for(var i=0;i<user_args.args.length;++i){args.push("a"+i)}var wrapper=new Function("P",["return function ",user_args.funcName,"_ndarrayops(",args.join(","),") {P(",args.join(","),");return a0}"].join(""));return wrapper(pcompile(user_args))}var assign_ops={add:"+",sub:"-",mul:"*",div:"/",mod:"%",band:"&",bor:"|",bxor:"^",lshift:"<<",rshift:">>",rrshift:">>>"};(function(){for(var id in assign_ops){var op=assign_ops[id];exports[id]=makeOp({args:["array","array","array"],body:{args:["a","b","c"],body:"a=b"+op+"c"},funcName:id});exports[id+"eq"]=makeOp({args:["array","array"],body:{args:["a","b"],body:"a"+op+"=b"},rvalue:true,funcName:id+"eq"});exports[id+"s"]=makeOp({args:["array","array","scalar"],body:{args:["a","b","s"],body:"a=b"+op+"s"},funcName:id+"s"});exports[id+"seq"]=makeOp({args:["array","scalar"],body:{args:["a","s"],body:"a"+op+"=s"},rvalue:true,funcName:id+"seq"})}})();var unary_ops={not:"!",bnot:"~",neg:"-",recip:"1.0/"};(function(){for(var id in unary_ops){var op=unary_ops[id];exports[id]=makeOp({args:["array","array"],body:{args:["a","b"],body:"a="+op+"b"},funcName:id});exports[id+"eq"]=makeOp({args:["array"],body:{args:["a"],body:"a="+op+"a"},rvalue:true,count:2,funcName:id+"eq"})}})();var binary_ops={and:"&&",or:"||",eq:"===",neq:"!==",lt:"<",gt:">",leq:"<=",geq:">="};(function(){for(var id in binary_ops){var op=binary_ops[id];exports[id]=makeOp({args:["array","array","array"],body:{args:["a","b","c"],body:"a=b"+op+"c"},funcName:id});exports[id+"s"]=makeOp({args:["array","array","scalar"],body:{args:["a","b","s"],body:"a=b"+op+"s"},funcName:id+"s"});exports[id+"eq"]=makeOp({args:["array","array"],body:{args:["a","b"],body:"a=a"+op+"b"},rvalue:true,count:2,funcName:id+"eq"});exports[id+"seq"]=makeOp({args:["array","scalar"],body:{args:["a","s"],body:"a=a"+op+"s"},rvalue:true,count:2,funcName:id+"seq"})}})();var math_unary=["abs","acos","asin","atan","ceil","cos","exp","floor","log","round","sin","sqrt","tan"];(function(){for(var i=0;i<math_unary.length;++i){var f=math_unary[i];exports[f]=makeOp({args:["array","array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b"],body:"a=this_f(b)",thisVars:["this_f"]},funcName:f});exports[f+"eq"]=makeOp({args:["array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a"],body:"a=this_f(a)",thisVars:["this_f"]},rvalue:true,count:2,funcName:f+"eq"})}})();var math_comm=["max","min","atan2","pow"];(function(){for(var i=0;i<math_comm.length;++i){var f=math_comm[i];exports[f]=makeOp({args:["array","array","array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b","c"],body:"a=this_f(b,c)",thisVars:["this_f"]},funcName:f});exports[f+"s"]=makeOp({args:["array","array","scalar"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b","c"],body:"a=this_f(b,c)",thisVars:["this_f"]},funcName:f+"s"});exports[f+"eq"]=makeOp({args:["array","array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b"],body:"a=this_f(a,b)",thisVars:["this_f"]},rvalue:true,count:2,funcName:f+"eq"});exports[f+"seq"]=makeOp({args:["array","scalar"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b"],body:"a=this_f(a,b)",thisVars:["this_f"]},rvalue:true,count:2,funcName:f+"seq"})}})();var math_noncomm=["atan2","pow"];(function(){for(var i=0;i<math_noncomm.length;++i){var f=math_noncomm[i];exports[f+"op"]=makeOp({args:["array","array","array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b","c"],body:"a=this_f(c,b)",thisVars:["this_f"]},funcName:f+"op"});exports[f+"ops"]=makeOp({args:["array","array","scalar"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b","c"],body:"a=this_f(c,b)",thisVars:["this_f"]},funcName:f+"ops"});exports[f+"opeq"]=makeOp({args:["array","array"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b"],body:"a=this_f(b,a)",thisVars:["this_f"]},rvalue:true,count:2,funcName:f+"opeq"});exports[f+"opseq"]=makeOp({args:["array","scalar"],pre:{args:[],body:"this_f=Math."+f,thisVars:["this_f"]},body:{args:["a","b"],body:"a=this_f(b,a)",thisVars:["this_f"]},rvalue:true,count:2,funcName:f+"opseq"})}})();exports.any=compile({args:["array"],pre:EmptyProc,body:{args:[{name:"a",lvalue:false,rvalue:true,count:1}],body:"if(a){return true}",localVars:[],thisVars:[]},post:{args:[],localVars:[],thisVars:[],body:"return false"},funcName:"any"});exports.all=compile({args:["array"],pre:EmptyProc,body:{args:[{name:"x",lvalue:false,rvalue:true,count:1}],body:"if(!x){return false}",localVars:[],thisVars:[]},post:{args:[],localVars:[],thisVars:[],body:"return true"},funcName:"all"});exports.sum=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:1}],body:"this_s+=a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"sum"});exports.prod=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=1"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:1}],body:"this_s*=a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"prod"});exports.norm2squared=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:2}],body:"this_s+=a*a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"norm2squared"});exports.norm2=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:2}],body:"this_s+=a*a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return Math.sqrt(this_s)"},funcName:"norm2"});exports.norminf=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:4}],body:"if(-a>this_s){this_s=-a}else if(a>this_s){this_s=a}",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"norminf"});exports.norm1=compile({args:["array"],pre:{args:[],localVars:[],thisVars:["this_s"],body:"this_s=0"},body:{args:[{name:"a",lvalue:false,rvalue:true,count:3}],body:"this_s+=a<0?-a:a",localVars:[],thisVars:["this_s"]},post:{args:[],localVars:[],thisVars:["this_s"],body:"return this_s"},funcName:"norm1"});exports.sup=compile({args:["array"],pre:{body:"this_h=-Infinity",args:[],thisVars:["this_h"],localVars:[]},body:{body:"if(_inline_1_arg0_>this_h)this_h=_inline_1_arg0_",args:[{name:"_inline_1_arg0_",lvalue:false,rvalue:true,count:2}],thisVars:["this_h"],localVars:[]},post:{body:"return this_h",args:[],thisVars:["this_h"],localVars:[]}});exports.inf=compile({args:["array"],pre:{body:"this_h=Infinity",args:[],thisVars:["this_h"],localVars:[]},body:{body:"if(_inline_1_arg0_<this_h)this_h=_inline_1_arg0_",args:[{name:"_inline_1_arg0_",lvalue:false,rvalue:true,count:2}],thisVars:["this_h"],localVars:[]},post:{body:"return this_h",args:[],thisVars:["this_h"],localVars:[]}});exports.argmin=compile({args:["index","array","shape"],pre:{body:"{this_v=Infinity;this_i=_inline_0_arg2_.slice(0)}",args:[{name:"_inline_0_arg0_",lvalue:false,rvalue:false,count:0},{name:"_inline_0_arg1_",lvalue:false,rvalue:false,count:0},{name:"_inline_0_arg2_",lvalue:false,rvalue:true,count:1}],thisVars:["this_i","this_v"],localVars:[]},body:{body:"{if(_inline_1_arg1_<this_v){this_v=_inline_1_arg1_;for(var _inline_1_k=0;_inline_1_k<_inline_1_arg0_.length;++_inline_1_k){this_i[_inline_1_k]=_inline_1_arg0_[_inline_1_k]}}}",args:[{name:"_inline_1_arg0_",lvalue:false,rvalue:true,count:2},{name:"_inline_1_arg1_",lvalue:false,rvalue:true,count:2}],thisVars:["this_i","this_v"],localVars:["_inline_1_k"]},post:{body:"{return this_i}",args:[],thisVars:["this_i"],localVars:[]}});exports.argmax=compile({args:["index","array","shape"],pre:{body:"{this_v=-Infinity;this_i=_inline_0_arg2_.slice(0)}",args:[{name:"_inline_0_arg0_",lvalue:false,rvalue:false,count:0},{name:"_inline_0_arg1_",lvalue:false,rvalue:false,count:0},{name:"_inline_0_arg2_",lvalue:false,rvalue:true,count:1}],thisVars:["this_i","this_v"],localVars:[]},body:{body:"{if(_inline_1_arg1_>this_v){this_v=_inline_1_arg1_;for(var _inline_1_k=0;_inline_1_k<_inline_1_arg0_.length;++_inline_1_k){this_i[_inline_1_k]=_inline_1_arg0_[_inline_1_k]}}}",args:[{name:"_inline_1_arg0_",lvalue:false,rvalue:true,count:2},{name:"_inline_1_arg1_",lvalue:false,rvalue:true,count:2}],thisVars:["this_i","this_v"],localVars:["_inline_1_k"]},post:{body:"{return this_i}",args:[],thisVars:["this_i"],localVars:[]}});exports.random=makeOp({args:["array"],pre:{args:[],body:"this_f=Math.random",thisVars:["this_f"]},body:{args:["a"],body:"a=this_f()",thisVars:["this_f"]},funcName:"random"});exports.assign=makeOp({args:["array","array"],body:{args:["a","b"],body:"a=b"},funcName:"assign"});exports.assigns=makeOp({args:["array","scalar"],body:{args:["a","b"],body:"a=b"},funcName:"assigns"});exports.equals=compile({args:["array","array"],pre:EmptyProc,body:{args:[{name:"x",lvalue:false,rvalue:true,count:1},{name:"y",lvalue:false,rvalue:true,count:1}],body:"if(x!==y){return false}",localVars:[],thisVars:[]},post:{args:[],localVars:[],thisVars:[],body:"return true"},funcName:"equals"})},{"cwise-compiler":10}],35:[function(require,module,exports){"use strict";var ndarray=require("ndarray");var do_convert=require("./doConvert.js");module.exports=function convert(arr,result){var shape=[],c=arr,sz=1;while(Array.isArray(c)){shape.push(c.length);sz*=c.length;c=c[0]}if(shape.length===0){return ndarray()}if(!result){result=ndarray(new Float64Array(sz),shape)}do_convert(result,arr);return result}},{"./doConvert.js":36,ndarray:37}],36:[function(require,module,exports){module.exports=require("cwise-compiler")({args:["array","scalar","index"],pre:{body:"{}",args:[],thisVars:[],localVars:[]},body:{body:"{\nvar _inline_1_v=_inline_1_arg1_,_inline_1_i\nfor(_inline_1_i=0;_inline_1_i<_inline_1_arg2_.length-1;++_inline_1_i) {\n_inline_1_v=_inline_1_v[_inline_1_arg2_[_inline_1_i]]\n}\n_inline_1_arg0_=_inline_1_v[_inline_1_arg2_[_inline_1_arg2_.length-1]]\n}",args:[{name:"_inline_1_arg0_",lvalue:true,rvalue:false,count:1},{name:"_inline_1_arg1_",lvalue:false,rvalue:true,count:1},{name:"_inline_1_arg2_",lvalue:false,rvalue:true,count:4}],thisVars:[],localVars:["_inline_1_i","_inline_1_v"]},post:{body:"{}",args:[],thisVars:[],localVars:[]},funcName:"convert",blockSize:64})},{"cwise-compiler":10}],37:[function(require,module,exports){var iota=require("iota-array");var isBuffer=require("is-buffer");var hasTypedArrays=typeof Float64Array!=="undefined";function compare1st(a,b){return a[0]-b[0]}function order(){var stride=this.stride;var terms=new Array(stride.length);var i;for(i=0;i<terms.length;++i){terms[i]=[Math.abs(stride[i]),i]}terms.sort(compare1st);var result=new Array(terms.length);for(i=0;i<result.length;++i){result[i]=terms[i][1]}return result}function compileConstructor(dtype,dimension){var className=["View",dimension,"d",dtype].join("");if(dimension<0){className="View_Nil"+dtype}var useGetters=dtype==="generic";if(dimension===-1){var code="function "+className+"(a){this.data=a;};var proto="+className+".prototype;proto.dtype='"+dtype+"';proto.index=function(){return -1};proto.size=0;proto.dimension=-1;proto.shape=proto.stride=proto.order=[];proto.lo=proto.hi=proto.transpose=proto.step=function(){return new "+className+"(this.data);};proto.get=proto.set=function(){};proto.pick=function(){return null};return function construct_"+className+"(a){return new "+className+"(a);}";var procedure=new Function(code);return procedure()}else if(dimension===0){var code="function "+className+"(a,d) {this.data = a;this.offset = d};var proto="+className+".prototype;proto.dtype='"+dtype+"';proto.index=function(){return this.offset};proto.dimension=0;proto.size=1;proto.shape=proto.stride=proto.order=[];proto.lo=proto.hi=proto.transpose=proto.step=function "+className+"_copy() {return new "+className+"(this.data,this.offset)};proto.pick=function "+className+"_pick(){return TrivialArray(this.data);};proto.valueOf=proto.get=function "+className+"_get(){return "+(useGetters?"this.data.get(this.offset)":"this.data[this.offset]")+"};proto.set=function "+className+"_set(v){return "+(useGetters?"this.data.set(this.offset,v)":"this.data[this.offset]=v")+"};return function construct_"+className+"(a,b,c,d){return new "+className+"(a,d)}";var procedure=new Function("TrivialArray",code);return procedure(CACHED_CONSTRUCTORS[dtype][0])}var code=["'use strict'"];var indices=iota(dimension);var args=indices.map(function(i){return"i"+i});var index_str="this.offset+"+indices.map(function(i){return"this.stride["+i+"]*i"+i}).join("+");var shapeArg=indices.map(function(i){return"b"+i}).join(",");var strideArg=indices.map(function(i){return"c"+i}).join(",");code.push("function "+className+"(a,"+shapeArg+","+strideArg+",d){this.data=a","this.shape=["+shapeArg+"]","this.stride=["+strideArg+"]","this.offset=d|0}","var proto="+className+".prototype","proto.dtype='"+dtype+"'","proto.dimension="+dimension);code.push("Object.defineProperty(proto,'size',{get:function "+className+"_size(){return "+indices.map(function(i){return"this.shape["+i+"]"}).join("*"),"}})");if(dimension===1){code.push("proto.order=[0]")}else{code.push("Object.defineProperty(proto,'order',{get:");if(dimension<4){code.push("function "+className+"_order(){");if(dimension===2){code.push("return (Math.abs(this.stride[0])>Math.abs(this.stride[1]))?[1,0]:[0,1]}})")}else if(dimension===3){code.push("var s0=Math.abs(this.stride[0]),s1=Math.abs(this.stride[1]),s2=Math.abs(this.stride[2]);if(s0>s1){if(s1>s2){return [2,1,0];}else if(s0>s2){return [1,2,0];}else{return [1,0,2];}}else if(s0>s2){return [2,0,1];}else if(s2>s1){return [0,1,2];}else{return [0,2,1];}}})")}}else{code.push("ORDER})")}}code.push("proto.set=function "+className+"_set("+args.join(",")+",v){");if(useGetters){code.push("return this.data.set("+index_str+",v)}")}else{code.push("return this.data["+index_str+"]=v}")}code.push("proto.get=function "+className+"_get("+args.join(",")+"){");if(useGetters){code.push("return this.data.get("+index_str+")}")}else{code.push("return this.data["+index_str+"]}")}code.push("proto.index=function "+className+"_index(",args.join(),"){return "+index_str+"}");code.push("proto.hi=function "+className+"_hi("+args.join(",")+"){return new "+className+"(this.data,"+indices.map(function(i){return["(typeof i",i,"!=='number'||i",i,"<0)?this.shape[",i,"]:i",i,"|0"].join("")}).join(",")+","+indices.map(function(i){return"this.stride["+i+"]"}).join(",")+",this.offset)}");var a_vars=indices.map(function(i){return"a"+i+"=this.shape["+i+"]"});var c_vars=indices.map(function(i){return"c"+i+"=this.stride["+i+"]"});code.push("proto.lo=function "+className+"_lo("+args.join(",")+"){var b=this.offset,d=0,"+a_vars.join(",")+","+c_vars.join(","));for(var i=0;i<dimension;++i){code.push("if(typeof i"+i+"==='number'&&i"+i+">=0){d=i"+i+"|0;b+=c"+i+"*d;a"+i+"-=d}")}code.push("return new "+className+"(this.data,"+indices.map(function(i){return"a"+i}).join(",")+","+indices.map(function(i){return"c"+i}).join(",")+",b)}");code.push("proto.step=function "+className+"_step("+args.join(",")+"){var "+indices.map(function(i){return"a"+i+"=this.shape["+i+"]"}).join(",")+","+indices.map(function(i){return"b"+i+"=this.stride["+i+"]"}).join(",")+",c=this.offset,d=0,ceil=Math.ceil");for(var i=0;i<dimension;++i){code.push("if(typeof i"+i+"==='number'){d=i"+i+"|0;if(d<0){c+=b"+i+"*(a"+i+"-1);a"+i+"=ceil(-a"+i+"/d)}else{a"+i+"=ceil(a"+i+"/d)}b"+i+"*=d}")}code.push("return new "+className+"(this.data,"+indices.map(function(i){return"a"+i}).join(",")+","+indices.map(function(i){return"b"+i}).join(",")+",c)}");var tShape=new Array(dimension);var tStride=new Array(dimension);for(var i=0;i<dimension;++i){tShape[i]="a[i"+i+"]";tStride[i]="b[i"+i+"]"}code.push("proto.transpose=function "+className+"_transpose("+args+"){"+args.map(function(n,idx){return n+"=("+n+"===undefined?"+idx+":"+n+"|0)"}).join(";"),"var a=this.shape,b=this.stride;return new "+className+"(this.data,"+tShape.join(",")+","+tStride.join(",")+",this.offset)}");code.push("proto.pick=function "+className+"_pick("+args+"){var a=[],b=[],c=this.offset");for(var i=0;i<dimension;++i){code.push("if(typeof i"+i+"==='number'&&i"+i+">=0){c=(c+this.stride["+i+"]*i"+i+")|0}else{a.push(this.shape["+i+"]);b.push(this.stride["+i+"])}")}code.push("var ctor=CTOR_LIST[a.length+1];return ctor(this.data,a,b,c)}");code.push("return function construct_"+className+"(data,shape,stride,offset){return new "+className+"(data,"+indices.map(function(i){return"shape["+i+"]"}).join(",")+","+indices.map(function(i){return"stride["+i+"]"}).join(",")+",offset)}");var procedure=new Function("CTOR_LIST","ORDER",code.join("\n"));return procedure(CACHED_CONSTRUCTORS[dtype],order)}function arrayDType(data){if(isBuffer(data)){return"buffer"}if(hasTypedArrays){switch(Object.prototype.toString.call(data)){case"[object Float64Array]":return"float64";case"[object Float32Array]":return"float32";case"[object Int8Array]":return"int8";case"[object Int16Array]":return"int16";case"[object Int32Array]":return"int32";case"[object Uint8Array]":return"uint8";case"[object Uint16Array]":return"uint16";case"[object Uint32Array]":return"uint32";case"[object Uint8ClampedArray]":return"uint8_clamped"}}if(Array.isArray(data)){return"array"}return"generic"}var CACHED_CONSTRUCTORS={float32:[],float64:[],int8:[],int16:[],int32:[],uint8:[],uint16:[],uint32:[],array:[],uint8_clamped:[],buffer:[],generic:[]};(function(){for(var id in CACHED_CONSTRUCTORS){CACHED_CONSTRUCTORS[id].push(compileConstructor(id,-1))}});function wrappedNDArrayCtor(data,shape,stride,offset){if(data===undefined){var ctor=CACHED_CONSTRUCTORS.array[0];return ctor([])}else if(typeof data==="number"){data=[data]}if(shape===undefined){shape=[data.length]}var d=shape.length;if(stride===undefined){stride=new Array(d);for(var i=d-1,sz=1;i>=0;--i){stride[i]=sz;sz*=shape[i]}}if(offset===undefined){offset=0;for(var i=0;i<d;++i){if(stride[i]<0){offset-=(shape[i]-1)*stride[i]}}}var dtype=arrayDType(data);var ctor_list=CACHED_CONSTRUCTORS[dtype];while(ctor_list.length<=d+1){ctor_list.push(compileConstructor(dtype,ctor_list.length-1))}var ctor=ctor_list[d+1];return ctor(data,shape,stride,offset)}module.exports=wrappedNDArrayCtor},{"iota-array":27,"is-buffer":28}],38:[function(require,module,exports){function GifWriter(buf,width,height,gopts){var p=0;var gopts=gopts===undefined?{}:gopts;var loop_count=gopts.loop===undefined?null:gopts.loop;var global_palette=gopts.palette===undefined?null:gopts.palette;if(width<=0||height<=0||width>65535||height>65535)throw"Width/Height invalid.";function check_palette_and_num_colors(palette){var num_colors=palette.length;if(num_colors<2||num_colors>256||num_colors&num_colors-1)throw"Invalid code/color length, must be power of 2 and 2 .. 256.";return num_colors}buf[p++]=71;buf[p++]=73;buf[p++]=70;buf[p++]=56;buf[p++]=57;buf[p++]=97;var gp_num_colors_pow2=0;var background=0;if(global_palette!==null){var gp_num_colors=check_palette_and_num_colors(global_palette);while(gp_num_colors>>=1)++gp_num_colors_pow2;gp_num_colors=1<<gp_num_colors_pow2;--gp_num_colors_pow2;if(gopts.background!==undefined){background=gopts.background;if(background>=gp_num_colors)throw"Background index out of range.";if(background===0)throw"Background index explicitly passed as 0."}}buf[p++]=width&255;buf[p++]=width>>8&255;buf[p++]=height&255;buf[p++]=height>>8&255;buf[p++]=(global_palette!==null?128:0)|gp_num_colors_pow2;buf[p++]=background;buf[p++]=0;if(global_palette!==null){for(var i=0,il=global_palette.length;i<il;++i){var rgb=global_palette[i];buf[p++]=rgb>>16&255;buf[p++]=rgb>>8&255;buf[p++]=rgb&255}}if(loop_count!==null){if(loop_count<0||loop_count>65535)throw"Loop count invalid.";buf[p++]=33;buf[p++]=255;buf[p++]=11;buf[p++]=78;buf[p++]=69;buf[p++]=84;buf[p++]=83;buf[p++]=67;buf[p++]=65;buf[p++]=80;buf[p++]=69;buf[p++]=50;buf[p++]=46;buf[p++]=48;buf[p++]=3;buf[p++]=1;buf[p++]=loop_count&255;buf[p++]=loop_count>>8&255;buf[p++]=0}var ended=false;this.addFrame=function(x,y,w,h,indexed_pixels,opts){if(ended===true){--p;ended=false}opts=opts===undefined?{}:opts;if(x<0||y<0||x>65535||y>65535)throw"x/y invalid.";if(w<=0||h<=0||w>65535||h>65535)throw"Width/Height invalid.";if(indexed_pixels.length<w*h)throw"Not enough pixels for the frame size.";var using_local_palette=true;var palette=opts.palette;if(palette===undefined||palette===null){using_local_palette=false;palette=global_palette}if(palette===undefined||palette===null)throw"Must supply either a local or global palette.";var num_colors=check_palette_and_num_colors(palette);var min_code_size=0;while(num_colors>>=1)++min_code_size;num_colors=1<<min_code_size;var delay=opts.delay===undefined?0:opts.delay;var disposal=opts.disposal===undefined?0:opts.disposal;if(disposal<0||disposal>3)throw"Disposal out of range.";var use_transparency=false;var transparent_index=0;if(opts.transparent!==undefined&&opts.transparent!==null){use_transparency=true;transparent_index=opts.transparent;if(transparent_index<0||transparent_index>=num_colors)throw"Transparent color index."}if(disposal!==0||use_transparency||delay!==0){buf[p++]=33;buf[p++]=249;buf[p++]=4;buf[p++]=disposal<<2|(use_transparency===true?1:0);buf[p++]=delay&255;buf[p++]=delay>>8&255;buf[p++]=transparent_index;buf[p++]=0}buf[p++]=44;buf[p++]=x&255;buf[p++]=x>>8&255;buf[p++]=y&255;buf[p++]=y>>8&255;buf[p++]=w&255;buf[p++]=w>>8&255;buf[p++]=h&255;buf[p++]=h>>8&255;buf[p++]=using_local_palette===true?128|min_code_size-1:0;if(using_local_palette===true){for(var i=0,il=palette.length;i<il;++i){var rgb=palette[i];buf[p++]=rgb>>16&255;buf[p++]=rgb>>8&255;buf[p++]=rgb&255}}p=GifWriterOutputLZWCodeStream(buf,p,min_code_size<2?2:min_code_size,indexed_pixels)};this.end=function(){if(ended===false){buf[p++]=59;ended=true}return p}}function GifWriterOutputLZWCodeStream(buf,p,min_code_size,index_stream){buf[p++]=min_code_size;var cur_subblock=p++;var clear_code=1<<min_code_size;var code_mask=clear_code-1;var eoi_code=clear_code+1;var next_code=eoi_code+1;var cur_code_size=min_code_size+1;var cur_shift=0;var cur=0;function emit_bytes_to_buffer(bit_block_size){while(cur_shift>=bit_block_size){buf[p++]=cur&255;cur>>=8;cur_shift-=8;if(p===cur_subblock+256){buf[cur_subblock]=255;cur_subblock=p++}}}function emit_code(c){cur|=c<<cur_shift;cur_shift+=cur_code_size;emit_bytes_to_buffer(8)}var ib_code=index_stream[0]&code_mask;var code_table={};emit_code(clear_code);for(var i=1,il=index_stream.length;i<il;++i){var k=index_stream[i]&code_mask;var cur_key=ib_code<<8|k;var cur_code=code_table[cur_key];if(cur_code===undefined){cur|=ib_code<<cur_shift;cur_shift+=cur_code_size;while(cur_shift>=8){buf[p++]=cur&255;cur>>=8;cur_shift-=8;if(p===cur_subblock+256){buf[cur_subblock]=255;cur_subblock=p++}}if(next_code===4096){emit_code(clear_code);next_code=eoi_code+1;cur_code_size=min_code_size+1;code_table={}}else{if(next_code>=1<<cur_code_size)++cur_code_size;code_table[cur_key]=next_code++}ib_code=k}else{ib_code=cur_code}}emit_code(ib_code);emit_code(eoi_code);emit_bytes_to_buffer(1);if(cur_subblock+1===p){buf[cur_subblock]=0}else{buf[cur_subblock]=p-cur_subblock-1;buf[p++]=0}return p}function GifReader(buf){var p=0;if(buf[p++]!==71||buf[p++]!==73||buf[p++]!==70||buf[p++]!==56||(buf[p++]+1&253)!==56||buf[p++]!==97){throw"Invalid GIF 87a/89a header."}var width=buf[p++]|buf[p++]<<8;var height=buf[p++]|buf[p++]<<8;var pf0=buf[p++];var global_palette_flag=pf0>>7;var num_global_colors_pow2=pf0&7;var num_global_colors=1<<num_global_colors_pow2+1;var background=buf[p++];buf[p++];var global_palette_offset=null;if(global_palette_flag){global_palette_offset=p;p+=num_global_colors*3}var no_eof=true;var frames=[];var delay=0;var transparent_index=null;var disposal=0;var loop_count=null;this.width=width;this.height=height;while(no_eof&&p<buf.length){switch(buf[p++]){case 33:switch(buf[p++]){case 255:if(buf[p]!==11||buf[p+1]==78&&buf[p+2]==69&&buf[p+3]==84&&buf[p+4]==83&&buf[p+5]==67&&buf[p+6]==65&&buf[p+7]==80&&buf[p+8]==69&&buf[p+9]==50&&buf[p+10]==46&&buf[p+11]==48&&buf[p+12]==3&&buf[p+13]==1&&buf[p+16]==0){p+=14;loop_count=buf[p++]|buf[p++]<<8;p++}else{p+=12;while(true){var block_size=buf[p++];if(block_size===0)break;p+=block_size}}break;case 249:if(buf[p++]!==4||buf[p+4]!==0)throw"Invalid graphics extension block.";var pf1=buf[p++];delay=buf[p++]|buf[p++]<<8;transparent_index=buf[p++];if((pf1&1)===0)transparent_index=null;disposal=pf1>>2&7;p++;break;case 254:while(true){var block_size=buf[p++];if(block_size===0)break;p+=block_size}break;default:throw"Unknown graphic control label: 0x"+buf[p-1].toString(16)}break;case 44:var x=buf[p++]|buf[p++]<<8;var y=buf[p++]|buf[p++]<<8;var w=buf[p++]|buf[p++]<<8;var h=buf[p++]|buf[p++]<<8;var pf2=buf[p++];var local_palette_flag=pf2>>7;var interlace_flag=pf2>>6&1;var num_local_colors_pow2=pf2&7;var num_local_colors=1<<num_local_colors_pow2+1;var palette_offset=global_palette_offset;var has_local_palette=false;if(local_palette_flag){var has_local_palette=true;palette_offset=p;p+=num_local_colors*3}var data_offset=p;p++;while(true){var block_size=buf[p++];if(block_size===0)break;p+=block_size}frames.push({x:x,y:y,width:w,height:h,has_local_palette:has_local_palette,palette_offset:palette_offset,data_offset:data_offset,data_length:p-data_offset,transparent_index:transparent_index,interlaced:!!interlace_flag,delay:delay,disposal:disposal});break;case 59:no_eof=false;break;default:throw"Unknown gif block: 0x"+buf[p-1].toString(16);break}}this.numFrames=function(){return frames.length};this.loopCount=function(){return loop_count};this.frameInfo=function(frame_num){if(frame_num<0||frame_num>=frames.length)throw"Frame index out of range.";return frames[frame_num]};this.decodeAndBlitFrameBGRA=function(frame_num,pixels){var frame=this.frameInfo(frame_num);var num_pixels=frame.width*frame.height;var index_stream=new Uint8Array(num_pixels);GifReaderLZWOutputIndexStream(buf,frame.data_offset,index_stream,num_pixels);var palette_offset=frame.palette_offset;var trans=frame.transparent_index;if(trans===null)trans=256;var framewidth=frame.width;var framestride=width-framewidth;var xleft=framewidth;var opbeg=(frame.y*width+frame.x)*4;var opend=((frame.y+frame.height)*width+frame.x)*4;var op=opbeg;var scanstride=framestride*4;if(frame.interlaced===true){scanstride+=width*4*7}var interlaceskip=8;for(var i=0,il=index_stream.length;i<il;++i){var index=index_stream[i];if(xleft===0){op+=scanstride;xleft=framewidth;if(op>=opend){scanstride=framestride*4+width*4*(interlaceskip-1);op=opbeg+(framewidth+framestride)*(interlaceskip<<1);interlaceskip>>=1}}if(index===trans){op+=4}else{var r=buf[palette_offset+index*3];var g=buf[palette_offset+index*3+1];var b=buf[palette_offset+index*3+2];pixels[op++]=b;pixels[op++]=g;pixels[op++]=r;pixels[op++]=255}--xleft}};this.decodeAndBlitFrameRGBA=function(frame_num,pixels){var frame=this.frameInfo(frame_num);var num_pixels=frame.width*frame.height;var index_stream=new Uint8Array(num_pixels);GifReaderLZWOutputIndexStream(buf,frame.data_offset,index_stream,num_pixels);var palette_offset=frame.palette_offset;var trans=frame.transparent_index;if(trans===null)trans=256;var framewidth=frame.width;var framestride=width-framewidth;var xleft=framewidth;var opbeg=(frame.y*width+frame.x)*4;var opend=((frame.y+frame.height)*width+frame.x)*4;var op=opbeg;var scanstride=framestride*4;if(frame.interlaced===true){scanstride+=width*4*7}var interlaceskip=8;for(var i=0,il=index_stream.length;i<il;++i){var index=index_stream[i];if(xleft===0){op+=scanstride;xleft=framewidth;if(op>=opend){scanstride=framestride*4+width*4*(interlaceskip-1);op=opbeg+(framewidth+framestride)*(interlaceskip<<1);interlaceskip>>=1}}if(index===trans){op+=4}else{var r=buf[palette_offset+index*3];var g=buf[palette_offset+index*3+1];var b=buf[palette_offset+index*3+2];pixels[op++]=r;pixels[op++]=g;pixels[op++]=b;pixels[op++]=255}--xleft}}}function GifReaderLZWOutputIndexStream(code_stream,p,output,output_length){var min_code_size=code_stream[p++];var clear_code=1<<min_code_size;var eoi_code=clear_code+1;var next_code=eoi_code+1;var cur_code_size=min_code_size+1;var code_mask=(1<<cur_code_size)-1;var cur_shift=0;var cur=0;var op=0;var subblock_size=code_stream[p++];var code_table=new Int32Array(4096);var prev_code=null;while(true){while(cur_shift<16){if(subblock_size===0)break;cur|=code_stream[p++]<<cur_shift;cur_shift+=8;if(subblock_size===1){subblock_size=code_stream[p++]}else{--subblock_size}}if(cur_shift<cur_code_size)break;var code=cur&code_mask;cur>>=cur_code_size;cur_shift-=cur_code_size;if(code===clear_code){next_code=eoi_code+1;cur_code_size=min_code_size+1;code_mask=(1<<cur_code_size)-1;prev_code=null;continue}else if(code===eoi_code){break}var chase_code=code<next_code?code:prev_code;var chase_length=0;var chase=chase_code;while(chase>clear_code){chase=code_table[chase]>>8;++chase_length}var k=chase;var op_end=op+chase_length+(chase_code!==code?1:0);if(op_end>output_length){console.log("Warning, gif stream longer than expected.");return}output[op++]=k;op+=chase_length;var b=op;if(chase_code!==code)output[op++]=k;chase=chase_code;while(chase_length--){chase=code_table[chase];output[--b]=chase&255;chase>>=8}if(prev_code!==null&&next_code<4096){code_table[next_code++]=prev_code<<8|k;if(next_code>=code_mask+1&&cur_code_size<12){++cur_code_size;code_mask=code_mask<<1|1}}prev_code=code}if(op!==output_length){console.log("Warning, gif stream shorter than expected.")}return output}try{exports.GifWriter=GifWriter;exports.GifReader=GifReader}catch(e){}},{}],39:[function(require,module,exports){"use strict";var TYPED_OK=typeof Uint8Array!=="undefined"&&typeof Uint16Array!=="undefined"&&typeof Int32Array!=="undefined";function _has(obj,key){return Object.prototype.hasOwnProperty.call(obj,key)}exports.assign=function(obj){var sources=Array.prototype.slice.call(arguments,1);while(sources.length){var source=sources.shift();if(!source){continue}if(typeof source!=="object"){throw new TypeError(source+"must be non-object")}for(var p in source){if(_has(source,p)){obj[p]=source[p]}}}return obj};exports.shrinkBuf=function(buf,size){if(buf.length===size){return buf}if(buf.subarray){return buf.subarray(0,size)}buf.length=size;return buf};var fnTyped={arraySet:function(dest,src,src_offs,len,dest_offs){if(src.subarray&&dest.subarray){dest.set(src.subarray(src_offs,src_offs+len),dest_offs);return}for(var i=0;i<len;i++){dest[dest_offs+i]=src[src_offs+i]}},flattenChunks:function(chunks){var i,l,len,pos,chunk,result;len=0;for(i=0,l=chunks.length;i<l;i++){len+=chunks[i].length}result=new Uint8Array(len);pos=0;for(i=0,l=chunks.length;i<l;i++){chunk=chunks[i];result.set(chunk,pos);pos+=chunk.length}return result}};var fnUntyped={arraySet:function(dest,src,src_offs,len,dest_offs){for(var i=0;i<len;i++){dest[dest_offs+i]=src[src_offs+i]}},flattenChunks:function(chunks){return[].concat.apply([],chunks)}};exports.setTyped=function(on){if(on){exports.Buf8=Uint8Array;exports.Buf16=Uint16Array;exports.Buf32=Int32Array;exports.assign(exports,fnTyped)}else{exports.Buf8=Array;exports.Buf16=Array;exports.Buf32=Array;exports.assign(exports,fnUntyped)}};exports.setTyped(TYPED_OK)},{}],40:[function(require,module,exports){"use strict";function adler32(adler,buf,len,pos){var s1=adler&65535|0,s2=adler>>>16&65535|0,n=0;while(len!==0){n=len>2e3?2e3:len;len-=n;do{s1=s1+buf[pos++]|0;s2=s2+s1|0}while(--n);s1%=65521;s2%=65521}return s1|s2<<16|0}module.exports=adler32},{}],41:[function(require,module,exports){"use strict";module.exports={Z_NO_FLUSH:0,Z_PARTIAL_FLUSH:1,Z_SYNC_FLUSH:2,Z_FULL_FLUSH:3,Z_FINISH:4,Z_BLOCK:5,Z_TREES:6,Z_OK:0,Z_STREAM_END:1,Z_NEED_DICT:2,Z_ERRNO:-1,Z_STREAM_ERROR:-2,Z_DATA_ERROR:-3,Z_BUF_ERROR:-5,Z_NO_COMPRESSION:0,Z_BEST_SPEED:1,Z_BEST_COMPRESSION:9,Z_DEFAULT_COMPRESSION:-1,Z_FILTERED:1,Z_HUFFMAN_ONLY:2,Z_RLE:3,Z_FIXED:4,Z_DEFAULT_STRATEGY:0,Z_BINARY:0,Z_TEXT:1,Z_UNKNOWN:2,Z_DEFLATED:8}},{}],42:[function(require,module,exports){"use strict";function makeTable(){var c,table=[];for(var n=0;n<256;n++){c=n;for(var k=0;k<8;k++){c=c&1?3988292384^c>>>1:c>>>1}table[n]=c}return table}var crcTable=makeTable();function crc32(crc,buf,len,pos){var t=crcTable,end=pos+len;crc^=-1;for(var i=pos;i<end;i++){crc=crc>>>8^t[(crc^buf[i])&255]}return crc^-1}module.exports=crc32},{}],43:[function(require,module,exports){"use strict";var utils=require("../utils/common");var trees=require("./trees");var adler32=require("./adler32");var crc32=require("./crc32");var msg=require("./messages");var Z_NO_FLUSH=0;var Z_PARTIAL_FLUSH=1;var Z_FULL_FLUSH=3;var Z_FINISH=4;var Z_BLOCK=5;var Z_OK=0;var Z_STREAM_END=1;var Z_STREAM_ERROR=-2;var Z_DATA_ERROR=-3;var Z_BUF_ERROR=-5;var Z_DEFAULT_COMPRESSION=-1;var Z_FILTERED=1;var Z_HUFFMAN_ONLY=2;var Z_RLE=3;var Z_FIXED=4;var Z_DEFAULT_STRATEGY=0;var Z_UNKNOWN=2;var Z_DEFLATED=8;var MAX_MEM_LEVEL=9;var MAX_WBITS=15;var DEF_MEM_LEVEL=8;var LENGTH_CODES=29;var LITERALS=256;var L_CODES=LITERALS+1+LENGTH_CODES;var D_CODES=30;var BL_CODES=19;var HEAP_SIZE=2*L_CODES+1;var MAX_BITS=15;var MIN_MATCH=3;var MAX_MATCH=258;var MIN_LOOKAHEAD=MAX_MATCH+MIN_MATCH+1;var PRESET_DICT=32;var INIT_STATE=42;var EXTRA_STATE=69;var NAME_STATE=73;var COMMENT_STATE=91;var HCRC_STATE=103;var BUSY_STATE=113;var FINISH_STATE=666;var BS_NEED_MORE=1;var BS_BLOCK_DONE=2;var BS_FINISH_STARTED=3;var BS_FINISH_DONE=4;var OS_CODE=3;function err(strm,errorCode){strm.msg=msg[errorCode];return errorCode}function rank(f){return(f<<1)-(f>4?9:0)}function zero(buf){var len=buf.length;while(--len>=0){buf[len]=0}}function flush_pending(strm){var s=strm.state;var len=s.pending;if(len>strm.avail_out){len=strm.avail_out}if(len===0){return}utils.arraySet(strm.output,s.pending_buf,s.pending_out,len,strm.next_out);strm.next_out+=len;s.pending_out+=len;strm.total_out+=len;strm.avail_out-=len;s.pending-=len;if(s.pending===0){s.pending_out=0}}function flush_block_only(s,last){trees._tr_flush_block(s,s.block_start>=0?s.block_start:-1,s.strstart-s.block_start,last);s.block_start=s.strstart;flush_pending(s.strm)}function put_byte(s,b){s.pending_buf[s.pending++]=b}function putShortMSB(s,b){s.pending_buf[s.pending++]=b>>>8&255;s.pending_buf[s.pending++]=b&255}function read_buf(strm,buf,start,size){var len=strm.avail_in;if(len>size){len=size}if(len===0){return 0}strm.avail_in-=len;utils.arraySet(buf,strm.input,strm.next_in,len,start);if(strm.state.wrap===1){strm.adler=adler32(strm.adler,buf,len,start)}else if(strm.state.wrap===2){strm.adler=crc32(strm.adler,buf,len,start)}strm.next_in+=len;strm.total_in+=len;return len}function longest_match(s,cur_match){var chain_length=s.max_chain_length;var scan=s.strstart;var match;var len;var best_len=s.prev_length;var nice_match=s.nice_match;var limit=s.strstart>s.w_size-MIN_LOOKAHEAD?s.strstart-(s.w_size-MIN_LOOKAHEAD):0;var _win=s.window;var wmask=s.w_mask;var prev=s.prev;var strend=s.strstart+MAX_MATCH;var scan_end1=_win[scan+best_len-1];var scan_end=_win[scan+best_len];if(s.prev_length>=s.good_match){chain_length>>=2}if(nice_match>s.lookahead){nice_match=s.lookahead}do{match=cur_match;if(_win[match+best_len]!==scan_end||_win[match+best_len-1]!==scan_end1||_win[match]!==_win[scan]||_win[++match]!==_win[scan+1]){continue}scan+=2;match++;do{}while(_win[++scan]===_win[++match]&&_win[++scan]===_win[++match]&&_win[++scan]===_win[++match]&&_win[++scan]===_win[++match]&&_win[++scan]===_win[++match]&&_win[++scan]===_win[++match]&&_win[++scan]===_win[++match]&&_win[++scan]===_win[++match]&&scan<strend);len=MAX_MATCH-(strend-scan);scan=strend-MAX_MATCH;if(len>best_len){s.match_start=cur_match;best_len=len;if(len>=nice_match){break}scan_end1=_win[scan+best_len-1];scan_end=_win[scan+best_len]}}while((cur_match=prev[cur_match&wmask])>limit&&--chain_length!==0);if(best_len<=s.lookahead){return best_len}return s.lookahead}function fill_window(s){var _w_size=s.w_size;var p,n,m,more,str;do{more=s.window_size-s.lookahead-s.strstart;if(s.strstart>=_w_size+(_w_size-MIN_LOOKAHEAD)){utils.arraySet(s.window,s.window,_w_size,_w_size,0);s.match_start-=_w_size;s.strstart-=_w_size;s.block_start-=_w_size;n=s.hash_size;p=n;do{m=s.head[--p];s.head[p]=m>=_w_size?m-_w_size:0}while(--n);n=_w_size;p=n;do{m=s.prev[--p];s.prev[p]=m>=_w_size?m-_w_size:0}while(--n);more+=_w_size}if(s.strm.avail_in===0){break}n=read_buf(s.strm,s.window,s.strstart+s.lookahead,more);s.lookahead+=n;if(s.lookahead+s.insert>=MIN_MATCH){str=s.strstart-s.insert;s.ins_h=s.window[str];s.ins_h=(s.ins_h<<s.hash_shift^s.window[str+1])&s.hash_mask;while(s.insert){s.ins_h=(s.ins_h<<s.hash_shift^s.window[str+MIN_MATCH-1])&s.hash_mask;s.prev[str&s.w_mask]=s.head[s.ins_h];s.head[s.ins_h]=str;str++;s.insert--;if(s.lookahead+s.insert<MIN_MATCH){break}}}}while(s.lookahead<MIN_LOOKAHEAD&&s.strm.avail_in!==0)}function deflate_stored(s,flush){var max_block_size=65535;if(max_block_size>s.pending_buf_size-5){max_block_size=s.pending_buf_size-5}for(;;){if(s.lookahead<=1){fill_window(s);if(s.lookahead===0&&flush===Z_NO_FLUSH){return BS_NEED_MORE}if(s.lookahead===0){break}}s.strstart+=s.lookahead;s.lookahead=0;var max_start=s.block_start+max_block_size;if(s.strstart===0||s.strstart>=max_start){s.lookahead=s.strstart-max_start;s.strstart=max_start;flush_block_only(s,false);if(s.strm.avail_out===0){return BS_NEED_MORE}}if(s.strstart-s.block_start>=s.w_size-MIN_LOOKAHEAD){flush_block_only(s,false);if(s.strm.avail_out===0){return BS_NEED_MORE}}}s.insert=0;if(flush===Z_FINISH){flush_block_only(s,true);if(s.strm.avail_out===0){return BS_FINISH_STARTED}return BS_FINISH_DONE}if(s.strstart>s.block_start){flush_block_only(s,false);if(s.strm.avail_out===0){return BS_NEED_MORE}}return BS_NEED_MORE}function deflate_fast(s,flush){var hash_head;var bflush;for(;;){if(s.lookahead<MIN_LOOKAHEAD){fill_window(s);if(s.lookahead<MIN_LOOKAHEAD&&flush===Z_NO_FLUSH){return BS_NEED_MORE}if(s.lookahead===0){break}}hash_head=0;if(s.lookahead>=MIN_MATCH){s.ins_h=(s.ins_h<<s.hash_shift^s.window[s.strstart+MIN_MATCH-1])&s.hash_mask;hash_head=s.prev[s.strstart&s.w_mask]=s.head[s.ins_h];s.head[s.ins_h]=s.strstart}if(hash_head!==0&&s.strstart-hash_head<=s.w_size-MIN_LOOKAHEAD){s.match_length=longest_match(s,hash_head)}if(s.match_length>=MIN_MATCH){bflush=trees._tr_tally(s,s.strstart-s.match_start,s.match_length-MIN_MATCH);s.lookahead-=s.match_length;if(s.match_length<=s.max_lazy_match&&s.lookahead>=MIN_MATCH){s.match_length--;do{s.strstart++;s.ins_h=(s.ins_h<<s.hash_shift^s.window[s.strstart+MIN_MATCH-1])&s.hash_mask;hash_head=s.prev[s.strstart&s.w_mask]=s.head[s.ins_h];s.head[s.ins_h]=s.strstart}while(--s.match_length!==0);s.strstart++}else{s.strstart+=s.match_length;s.match_length=0;s.ins_h=s.window[s.strstart];s.ins_h=(s.ins_h<<s.hash_shift^s.window[s.strstart+1])&s.hash_mask}}else{bflush=trees._tr_tally(s,0,s.window[s.strstart]);s.lookahead--;s.strstart++}if(bflush){flush_block_only(s,false);if(s.strm.avail_out===0){return BS_NEED_MORE}}}s.insert=s.strstart<MIN_MATCH-1?s.strstart:MIN_MATCH-1;if(flush===Z_FINISH){flush_block_only(s,true);if(s.strm.avail_out===0){return BS_FINISH_STARTED}return BS_FINISH_DONE}if(s.last_lit){flush_block_only(s,false);if(s.strm.avail_out===0){return BS_NEED_MORE}}return BS_BLOCK_DONE}function deflate_slow(s,flush){var hash_head;var bflush;var max_insert;for(;;){if(s.lookahead<MIN_LOOKAHEAD){fill_window(s);if(s.lookahead<MIN_LOOKAHEAD&&flush===Z_NO_FLUSH){return BS_NEED_MORE}if(s.lookahead===0){break}}hash_head=0;if(s.lookahead>=MIN_MATCH){s.ins_h=(s.ins_h<<s.hash_shift^s.window[s.strstart+MIN_MATCH-1])&s.hash_mask;hash_head=s.prev[s.strstart&s.w_mask]=s.head[s.ins_h];s.head[s.ins_h]=s.strstart}s.prev_length=s.match_length;s.prev_match=s.match_start;s.match_length=MIN_MATCH-1;if(hash_head!==0&&s.prev_length<s.max_lazy_match&&s.strstart-hash_head<=s.w_size-MIN_LOOKAHEAD){s.match_length=longest_match(s,hash_head);if(s.match_length<=5&&(s.strategy===Z_FILTERED||s.match_length===MIN_MATCH&&s.strstart-s.match_start>4096)){s.match_length=MIN_MATCH-1}}if(s.prev_length>=MIN_MATCH&&s.match_length<=s.prev_length){max_insert=s.strstart+s.lookahead-MIN_MATCH;bflush=trees._tr_tally(s,s.strstart-1-s.prev_match,s.prev_length-MIN_MATCH);s.lookahead-=s.prev_length-1;s.prev_length-=2;do{if(++s.strstart<=max_insert){s.ins_h=(s.ins_h<<s.hash_shift^s.window[s.strstart+MIN_MATCH-1])&s.hash_mask;hash_head=s.prev[s.strstart&s.w_mask]=s.head[s.ins_h];s.head[s.ins_h]=s.strstart}}while(--s.prev_length!==0);s.match_available=0;s.match_length=MIN_MATCH-1;s.strstart++;if(bflush){flush_block_only(s,false);if(s.strm.avail_out===0){return BS_NEED_MORE}}}else if(s.match_available){bflush=trees._tr_tally(s,0,s.window[s.strstart-1]);if(bflush){flush_block_only(s,false)}s.strstart++;s.lookahead--;if(s.strm.avail_out===0){return BS_NEED_MORE}}else{s.match_available=1;s.strstart++;s.lookahead--}}if(s.match_available){bflush=trees._tr_tally(s,0,s.window[s.strstart-1]);s.match_available=0}s.insert=s.strstart<MIN_MATCH-1?s.strstart:MIN_MATCH-1;if(flush===Z_FINISH){flush_block_only(s,true);if(s.strm.avail_out===0){return BS_FINISH_STARTED}return BS_FINISH_DONE}if(s.last_lit){flush_block_only(s,false);if(s.strm.avail_out===0){return BS_NEED_MORE}}return BS_BLOCK_DONE}function deflate_rle(s,flush){var bflush;var prev;var scan,strend;var _win=s.window;for(;;){if(s.lookahead<=MAX_MATCH){fill_window(s);if(s.lookahead<=MAX_MATCH&&flush===Z_NO_FLUSH){return BS_NEED_MORE}if(s.lookahead===0){break}}s.match_length=0;if(s.lookahead>=MIN_MATCH&&s.strstart>0){scan=s.strstart-1;prev=_win[scan];if(prev===_win[++scan]&&prev===_win[++scan]&&prev===_win[++scan]){strend=s.strstart+MAX_MATCH;do{}while(prev===_win[++scan]&&prev===_win[++scan]&&prev===_win[++scan]&&prev===_win[++scan]&&prev===_win[++scan]&&prev===_win[++scan]&&prev===_win[++scan]&&prev===_win[++scan]&&scan<strend);s.match_length=MAX_MATCH-(strend-scan);if(s.match_length>s.lookahead){s.match_length=s.lookahead}}}if(s.match_length>=MIN_MATCH){bflush=trees._tr_tally(s,1,s.match_length-MIN_MATCH);s.lookahead-=s.match_length;s.strstart+=s.match_length;s.match_length=0}else{bflush=trees._tr_tally(s,0,s.window[s.strstart]);s.lookahead--;s.strstart++}if(bflush){flush_block_only(s,false);if(s.strm.avail_out===0){return BS_NEED_MORE}}}s.insert=0;if(flush===Z_FINISH){flush_block_only(s,true);if(s.strm.avail_out===0){return BS_FINISH_STARTED}return BS_FINISH_DONE}if(s.last_lit){flush_block_only(s,false);if(s.strm.avail_out===0){return BS_NEED_MORE}}return BS_BLOCK_DONE}function deflate_huff(s,flush){var bflush;for(;;){if(s.lookahead===0){fill_window(s);if(s.lookahead===0){if(flush===Z_NO_FLUSH){return BS_NEED_MORE}break}}s.match_length=0;bflush=trees._tr_tally(s,0,s.window[s.strstart]);s.lookahead--;s.strstart++;if(bflush){flush_block_only(s,false);if(s.strm.avail_out===0){return BS_NEED_MORE}}}s.insert=0;if(flush===Z_FINISH){flush_block_only(s,true);if(s.strm.avail_out===0){return BS_FINISH_STARTED}return BS_FINISH_DONE}if(s.last_lit){flush_block_only(s,false);if(s.strm.avail_out===0){return BS_NEED_MORE}}return BS_BLOCK_DONE}function Config(good_length,max_lazy,nice_length,max_chain,func){this.good_length=good_length;this.max_lazy=max_lazy;this.nice_length=nice_length;this.max_chain=max_chain;this.func=func}var configuration_table;configuration_table=[new Config(0,0,0,0,deflate_stored),new Config(4,4,8,4,deflate_fast),new Config(4,5,16,8,deflate_fast),new Config(4,6,32,32,deflate_fast),new Config(4,4,16,16,deflate_slow),new Config(8,16,32,32,deflate_slow),new Config(8,16,128,128,deflate_slow),new Config(8,32,128,256,deflate_slow),new Config(32,128,258,1024,deflate_slow),new Config(32,258,258,4096,deflate_slow)];function lm_init(s){s.window_size=2*s.w_size;zero(s.head);s.max_lazy_match=configuration_table[s.level].max_lazy;s.good_match=configuration_table[s.level].good_length;s.nice_match=configuration_table[s.level].nice_length;s.max_chain_length=configuration_table[s.level].max_chain;s.strstart=0;s.block_start=0;s.lookahead=0;s.insert=0;s.match_length=s.prev_length=MIN_MATCH-1;s.match_available=0;s.ins_h=0}function DeflateState(){this.strm=null;this.status=0;this.pending_buf=null;this.pending_buf_size=0;this.pending_out=0;this.pending=0;this.wrap=0;this.gzhead=null;this.gzindex=0;this.method=Z_DEFLATED;this.last_flush=-1;this.w_size=0;this.w_bits=0;this.w_mask=0;this.window=null;this.window_size=0;this.prev=null;this.head=null;this.ins_h=0;this.hash_size=0;this.hash_bits=0;this.hash_mask=0;this.hash_shift=0;this.block_start=0;this.match_length=0;this.prev_match=0;this.match_available=0;this.strstart=0;this.match_start=0;this.lookahead=0;this.prev_length=0;this.max_chain_length=0;this.max_lazy_match=0;this.level=0;this.strategy=0;this.good_match=0;this.nice_match=0;this.dyn_ltree=new utils.Buf16(HEAP_SIZE*2);this.dyn_dtree=new utils.Buf16((2*D_CODES+1)*2);this.bl_tree=new utils.Buf16((2*BL_CODES+1)*2);zero(this.dyn_ltree);zero(this.dyn_dtree);zero(this.bl_tree);this.l_desc=null;this.d_desc=null;this.bl_desc=null;this.bl_count=new utils.Buf16(MAX_BITS+1);this.heap=new utils.Buf16(2*L_CODES+1);zero(this.heap);this.heap_len=0;this.heap_max=0;this.depth=new utils.Buf16(2*L_CODES+1);zero(this.depth);this.l_buf=0;this.lit_bufsize=0;this.last_lit=0;this.d_buf=0;this.opt_len=0;this.static_len=0;this.matches=0;this.insert=0;this.bi_buf=0;this.bi_valid=0}function deflateResetKeep(strm){var s;if(!strm||!strm.state){return err(strm,Z_STREAM_ERROR)}strm.total_in=strm.total_out=0;strm.data_type=Z_UNKNOWN;s=strm.state;s.pending=0;s.pending_out=0;if(s.wrap<0){s.wrap=-s.wrap}s.status=s.wrap?INIT_STATE:BUSY_STATE;strm.adler=s.wrap===2?0:1;s.last_flush=Z_NO_FLUSH;trees._tr_init(s);return Z_OK}function deflateReset(strm){var ret=deflateResetKeep(strm);if(ret===Z_OK){lm_init(strm.state)}return ret}function deflateSetHeader(strm,head){if(!strm||!strm.state){return Z_STREAM_ERROR}if(strm.state.wrap!==2){return Z_STREAM_ERROR}strm.state.gzhead=head;return Z_OK}function deflateInit2(strm,level,method,windowBits,memLevel,strategy){if(!strm){return Z_STREAM_ERROR}var wrap=1;if(level===Z_DEFAULT_COMPRESSION){level=6}if(windowBits<0){wrap=0;windowBits=-windowBits}else if(windowBits>15){wrap=2;windowBits-=16}if(memLevel<1||memLevel>MAX_MEM_LEVEL||method!==Z_DEFLATED||windowBits<8||windowBits>15||level<0||level>9||strategy<0||strategy>Z_FIXED){return err(strm,Z_STREAM_ERROR)}if(windowBits===8){windowBits=9}var s=new DeflateState;strm.state=s;s.strm=strm;s.wrap=wrap;s.gzhead=null;s.w_bits=windowBits;s.w_size=1<<s.w_bits;s.w_mask=s.w_size-1;s.hash_bits=memLevel+7;s.hash_size=1<<s.hash_bits;s.hash_mask=s.hash_size-1;s.hash_shift=~~((s.hash_bits+MIN_MATCH-1)/MIN_MATCH);s.window=new utils.Buf8(s.w_size*2);s.head=new utils.Buf16(s.hash_size);s.prev=new utils.Buf16(s.w_size);s.lit_bufsize=1<<memLevel+6;s.pending_buf_size=s.lit_bufsize*4;s.pending_buf=new utils.Buf8(s.pending_buf_size);s.d_buf=1*s.lit_bufsize;s.l_buf=(1+2)*s.lit_bufsize;s.level=level;s.strategy=strategy;s.method=method;return deflateReset(strm)}function deflateInit(strm,level){return deflateInit2(strm,level,Z_DEFLATED,MAX_WBITS,DEF_MEM_LEVEL,Z_DEFAULT_STRATEGY)}function deflate(strm,flush){var old_flush,s;var beg,val;if(!strm||!strm.state||flush>Z_BLOCK||flush<0){return strm?err(strm,Z_STREAM_ERROR):Z_STREAM_ERROR}s=strm.state;if(!strm.output||!strm.input&&strm.avail_in!==0||s.status===FINISH_STATE&&flush!==Z_FINISH){return err(strm,strm.avail_out===0?Z_BUF_ERROR:Z_STREAM_ERROR)}s.strm=strm;old_flush=s.last_flush;s.last_flush=flush;if(s.status===INIT_STATE){if(s.wrap===2){strm.adler=0;put_byte(s,31);put_byte(s,139);put_byte(s,8);if(!s.gzhead){put_byte(s,0);put_byte(s,0);put_byte(s,0);put_byte(s,0);put_byte(s,0);put_byte(s,s.level===9?2:s.strategy>=Z_HUFFMAN_ONLY||s.level<2?4:0);put_byte(s,OS_CODE);s.status=BUSY_STATE}else{put_byte(s,(s.gzhead.text?1:0)+(s.gzhead.hcrc?2:0)+(!s.gzhead.extra?0:4)+(!s.gzhead.name?0:8)+(!s.gzhead.comment?0:16));put_byte(s,s.gzhead.time&255);put_byte(s,s.gzhead.time>>8&255);put_byte(s,s.gzhead.time>>16&255);put_byte(s,s.gzhead.time>>24&255);put_byte(s,s.level===9?2:s.strategy>=Z_HUFFMAN_ONLY||s.level<2?4:0);put_byte(s,s.gzhead.os&255);if(s.gzhead.extra&&s.gzhead.extra.length){put_byte(s,s.gzhead.extra.length&255);put_byte(s,s.gzhead.extra.length>>8&255)}if(s.gzhead.hcrc){strm.adler=crc32(strm.adler,s.pending_buf,s.pending,0)}s.gzindex=0;s.status=EXTRA_STATE}}else{var header=Z_DEFLATED+(s.w_bits-8<<4)<<8;var level_flags=-1;if(s.strategy>=Z_HUFFMAN_ONLY||s.level<2){level_flags=0}else if(s.level<6){level_flags=1}else if(s.level===6){level_flags=2}else{level_flags=3}header|=level_flags<<6;if(s.strstart!==0){header|=PRESET_DICT}header+=31-header%31;s.status=BUSY_STATE;putShortMSB(s,header);if(s.strstart!==0){putShortMSB(s,strm.adler>>>16);putShortMSB(s,strm.adler&65535)}strm.adler=1}}if(s.status===EXTRA_STATE){if(s.gzhead.extra){beg=s.pending;while(s.gzindex<(s.gzhead.extra.length&65535)){if(s.pending===s.pending_buf_size){if(s.gzhead.hcrc&&s.pending>beg){strm.adler=crc32(strm.adler,s.pending_buf,s.pending-beg,beg)}flush_pending(strm);beg=s.pending;if(s.pending===s.pending_buf_size){break}}put_byte(s,s.gzhead.extra[s.gzindex]&255);s.gzindex++}if(s.gzhead.hcrc&&s.pending>beg){strm.adler=crc32(strm.adler,s.pending_buf,s.pending-beg,beg)}if(s.gzindex===s.gzhead.extra.length){s.gzindex=0;s.status=NAME_STATE}}else{s.status=NAME_STATE}}if(s.status===NAME_STATE){if(s.gzhead.name){beg=s.pending;do{if(s.pending===s.pending_buf_size){if(s.gzhead.hcrc&&s.pending>beg){strm.adler=crc32(strm.adler,s.pending_buf,s.pending-beg,beg)}flush_pending(strm);beg=s.pending;if(s.pending===s.pending_buf_size){val=1;break}}if(s.gzindex<s.gzhead.name.length){val=s.gzhead.name.charCodeAt(s.gzindex++)&255}else{val=0}put_byte(s,val)}while(val!==0);if(s.gzhead.hcrc&&s.pending>beg){strm.adler=crc32(strm.adler,s.pending_buf,s.pending-beg,beg)}if(val===0){s.gzindex=0;s.status=COMMENT_STATE}}else{s.status=COMMENT_STATE}}if(s.status===COMMENT_STATE){if(s.gzhead.comment){beg=s.pending;do{if(s.pending===s.pending_buf_size){if(s.gzhead.hcrc&&s.pending>beg){strm.adler=crc32(strm.adler,s.pending_buf,s.pending-beg,beg)}flush_pending(strm);beg=s.pending;if(s.pending===s.pending_buf_size){val=1;break}}if(s.gzindex<s.gzhead.comment.length){val=s.gzhead.comment.charCodeAt(s.gzindex++)&255}else{val=0}put_byte(s,val)}while(val!==0);if(s.gzhead.hcrc&&s.pending>beg){strm.adler=crc32(strm.adler,s.pending_buf,s.pending-beg,beg)}if(val===0){s.status=HCRC_STATE}}else{s.status=HCRC_STATE}}if(s.status===HCRC_STATE){if(s.gzhead.hcrc){if(s.pending+2>s.pending_buf_size){flush_pending(strm)}if(s.pending+2<=s.pending_buf_size){put_byte(s,strm.adler&255);put_byte(s,strm.adler>>8&255);strm.adler=0;s.status=BUSY_STATE}}else{s.status=BUSY_STATE}}if(s.pending!==0){flush_pending(strm);if(strm.avail_out===0){s.last_flush=-1;return Z_OK}}else if(strm.avail_in===0&&rank(flush)<=rank(old_flush)&&flush!==Z_FINISH){return err(strm,Z_BUF_ERROR)}if(s.status===FINISH_STATE&&strm.avail_in!==0){return err(strm,Z_BUF_ERROR)}if(strm.avail_in!==0||s.lookahead!==0||flush!==Z_NO_FLUSH&&s.status!==FINISH_STATE){var bstate=s.strategy===Z_HUFFMAN_ONLY?deflate_huff(s,flush):s.strategy===Z_RLE?deflate_rle(s,flush):configuration_table[s.level].func(s,flush);if(bstate===BS_FINISH_STARTED||bstate===BS_FINISH_DONE){s.status=FINISH_STATE}if(bstate===BS_NEED_MORE||bstate===BS_FINISH_STARTED){if(strm.avail_out===0){s.last_flush=-1}return Z_OK}if(bstate===BS_BLOCK_DONE){if(flush===Z_PARTIAL_FLUSH){trees._tr_align(s)}else if(flush!==Z_BLOCK){trees._tr_stored_block(s,0,0,false);if(flush===Z_FULL_FLUSH){zero(s.head);if(s.lookahead===0){s.strstart=0;s.block_start=0;s.insert=0}}}flush_pending(strm);if(strm.avail_out===0){s.last_flush=-1;return Z_OK}}}if(flush!==Z_FINISH){return Z_OK}if(s.wrap<=0){return Z_STREAM_END}if(s.wrap===2){put_byte(s,strm.adler&255);put_byte(s,strm.adler>>8&255);put_byte(s,strm.adler>>16&255);put_byte(s,strm.adler>>24&255);put_byte(s,strm.total_in&255);put_byte(s,strm.total_in>>8&255);put_byte(s,strm.total_in>>16&255);put_byte(s,strm.total_in>>24&255)}else{putShortMSB(s,strm.adler>>>16);putShortMSB(s,strm.adler&65535)}flush_pending(strm);if(s.wrap>0){s.wrap=-s.wrap}return s.pending!==0?Z_OK:Z_STREAM_END}function deflateEnd(strm){var status;if(!strm||!strm.state){return Z_STREAM_ERROR}status=strm.state.status;if(status!==INIT_STATE&&status!==EXTRA_STATE&&status!==NAME_STATE&&status!==COMMENT_STATE&&status!==HCRC_STATE&&status!==BUSY_STATE&&status!==FINISH_STATE){return err(strm,Z_STREAM_ERROR)}strm.state=null;return status===BUSY_STATE?err(strm,Z_DATA_ERROR):Z_OK}function deflateSetDictionary(strm,dictionary){var dictLength=dictionary.length;var s;var str,n;var wrap;var avail;var next;var input;var tmpDict;if(!strm||!strm.state){return Z_STREAM_ERROR}s=strm.state;wrap=s.wrap;if(wrap===2||wrap===1&&s.status!==INIT_STATE||s.lookahead){return Z_STREAM_ERROR}if(wrap===1){strm.adler=adler32(strm.adler,dictionary,dictLength,0)}s.wrap=0;if(dictLength>=s.w_size){if(wrap===0){zero(s.head);s.strstart=0;s.block_start=0;s.insert=0}tmpDict=new utils.Buf8(s.w_size);utils.arraySet(tmpDict,dictionary,dictLength-s.w_size,s.w_size,0);dictionary=tmpDict;dictLength=s.w_size}avail=strm.avail_in;next=strm.next_in;input=strm.input;strm.avail_in=dictLength;strm.next_in=0;strm.input=dictionary;fill_window(s);while(s.lookahead>=MIN_MATCH){str=s.strstart;n=s.lookahead-(MIN_MATCH-1);do{s.ins_h=(s.ins_h<<s.hash_shift^s.window[str+MIN_MATCH-1])&s.hash_mask;s.prev[str&s.w_mask]=s.head[s.ins_h];s.head[s.ins_h]=str;str++}while(--n);s.strstart=str;s.lookahead=MIN_MATCH-1;fill_window(s)}s.strstart+=s.lookahead;s.block_start=s.strstart;s.insert=s.lookahead;s.lookahead=0;s.match_length=s.prev_length=MIN_MATCH-1;s.match_available=0;strm.next_in=next;strm.input=input;strm.avail_in=avail;s.wrap=wrap;return Z_OK}exports.deflateInit=deflateInit;exports.deflateInit2=deflateInit2;exports.deflateReset=deflateReset;exports.deflateResetKeep=deflateResetKeep;exports.deflateSetHeader=deflateSetHeader;exports.deflate=deflate;exports.deflateEnd=deflateEnd;exports.deflateSetDictionary=deflateSetDictionary;exports.deflateInfo="pako deflate (from Nodeca project)"},{"../utils/common":39,"./adler32":40,"./crc32":42,"./messages":47,"./trees":48}],44:[function(require,module,exports){"use strict";var BAD=30;var TYPE=12;module.exports=function inflate_fast(strm,start){var state;var _in;var last;var _out;var beg;var end;var dmax;var wsize;var whave;var wnext;var s_window;var hold;var bits;var lcode;var dcode;var lmask;var dmask;var here;var op;var len;var dist;var from;var from_source;var input,output;state=strm.state;_in=strm.next_in;input=strm.input;last=_in+(strm.avail_in-5);_out=strm.next_out;output=strm.output;beg=_out-(start-strm.avail_out);end=_out+(strm.avail_out-257);dmax=state.dmax;wsize=state.wsize;whave=state.whave;wnext=state.wnext;s_window=state.window;hold=state.hold;bits=state.bits;lcode=state.lencode;dcode=state.distcode;lmask=(1<<state.lenbits)-1;dmask=(1<<state.distbits)-1;top:do{if(bits<15){hold+=input[_in++]<<bits;bits+=8;hold+=input[_in++]<<bits;bits+=8}here=lcode[hold&lmask];dolen:for(;;){op=here>>>24;hold>>>=op;bits-=op;op=here>>>16&255;if(op===0){output[_out++]=here&65535}else if(op&16){len=here&65535;op&=15;if(op){if(bits<op){hold+=input[_in++]<<bits;bits+=8}len+=hold&(1<<op)-1;hold>>>=op;bits-=op}if(bits<15){hold+=input[_in++]<<bits;bits+=8;hold+=input[_in++]<<bits;bits+=8}here=dcode[hold&dmask];dodist:for(;;){op=here>>>24;hold>>>=op;bits-=op;op=here>>>16&255;if(op&16){dist=here&65535;op&=15;if(bits<op){hold+=input[_in++]<<bits;bits+=8;if(bits<op){hold+=input[_in++]<<bits;bits+=8}}dist+=hold&(1<<op)-1;if(dist>dmax){strm.msg="invalid distance too far back";state.mode=BAD;break top}hold>>>=op;bits-=op;op=_out-beg;if(dist>op){op=dist-op;if(op>whave){if(state.sane){strm.msg="invalid distance too far back";state.mode=BAD;break top}}from=0;from_source=s_window;if(wnext===0){from+=wsize-op;if(op<len){len-=op;do{output[_out++]=s_window[from++]}while(--op);from=_out-dist;from_source=output}}else if(wnext<op){from+=wsize+wnext-op;op-=wnext;if(op<len){len-=op;do{output[_out++]=s_window[from++]}while(--op);from=0;if(wnext<len){op=wnext;len-=op;do{output[_out++]=s_window[from++]}while(--op);from=_out-dist;from_source=output}}}else{from+=wnext-op;if(op<len){len-=op;do{output[_out++]=s_window[from++]}while(--op);from=_out-dist;from_source=output}}while(len>2){output[_out++]=from_source[from++];output[_out++]=from_source[from++];output[_out++]=from_source[from++];len-=3}if(len){output[_out++]=from_source[from++];if(len>1){output[_out++]=from_source[from++]}}}else{from=_out-dist;do{output[_out++]=output[from++];output[_out++]=output[from++];output[_out++]=output[from++];len-=3}while(len>2);if(len){output[_out++]=output[from++];if(len>1){output[_out++]=output[from++]}}}}else if((op&64)===0){here=dcode[(here&65535)+(hold&(1<<op)-1)];continue dodist}else{strm.msg="invalid distance code";state.mode=BAD;break top}break}}else if((op&64)===0){here=lcode[(here&65535)+(hold&(1<<op)-1)];continue dolen}else if(op&32){state.mode=TYPE;break top}else{strm.msg="invalid literal/length code";state.mode=BAD;break top}break}}while(_in<last&&_out<end);len=bits>>3;_in-=len;bits-=len<<3;hold&=(1<<bits)-1;strm.next_in=_in;strm.next_out=_out;strm.avail_in=_in<last?5+(last-_in):5-(_in-last);strm.avail_out=_out<end?257+(end-_out):257-(_out-end);state.hold=hold;state.bits=bits;return}},{}],45:[function(require,module,exports){"use strict";var utils=require("../utils/common");var adler32=require("./adler32");var crc32=require("./crc32");var inflate_fast=require("./inffast");var inflate_table=require("./inftrees");var CODES=0;var LENS=1;var DISTS=2;var Z_FINISH=4;var Z_BLOCK=5;var Z_TREES=6;var Z_OK=0;var Z_STREAM_END=1;var Z_NEED_DICT=2;var Z_STREAM_ERROR=-2;var Z_DATA_ERROR=-3;var Z_MEM_ERROR=-4;var Z_BUF_ERROR=-5;var Z_DEFLATED=8;var HEAD=1;var FLAGS=2;var TIME=3;var OS=4;var EXLEN=5;var EXTRA=6;var NAME=7;var COMMENT=8;var HCRC=9;var DICTID=10;var DICT=11;var TYPE=12;var TYPEDO=13;var STORED=14;var COPY_=15;var COPY=16;var TABLE=17;var LENLENS=18;var CODELENS=19;var LEN_=20;var LEN=21;var LENEXT=22;var DIST=23;var DISTEXT=24;var MATCH=25;var LIT=26;var CHECK=27;var LENGTH=28;var DONE=29;var BAD=30;var MEM=31;var SYNC=32;var ENOUGH_LENS=852;var ENOUGH_DISTS=592;var MAX_WBITS=15;var DEF_WBITS=MAX_WBITS;function zswap32(q){return(q>>>24&255)+(q>>>8&65280)+((q&65280)<<8)+((q&255)<<24)}function InflateState(){this.mode=0;this.last=false;this.wrap=0;this.havedict=false;this.flags=0;this.dmax=0;this.check=0;this.total=0;this.head=null;this.wbits=0;this.wsize=0;this.whave=0;this.wnext=0;this.window=null;this.hold=0;this.bits=0;this.length=0;this.offset=0;this.extra=0;this.lencode=null;this.distcode=null;this.lenbits=0;this.distbits=0;this.ncode=0;this.nlen=0;this.ndist=0;this.have=0;this.next=null;this.lens=new utils.Buf16(320);this.work=new utils.Buf16(288);this.lendyn=null;this.distdyn=null;this.sane=0;this.back=0;this.was=0}function inflateResetKeep(strm){var state;if(!strm||!strm.state){return Z_STREAM_ERROR}state=strm.state;strm.total_in=strm.total_out=state.total=0;strm.msg="";if(state.wrap){strm.adler=state.wrap&1}state.mode=HEAD;state.last=0;state.havedict=0;state.dmax=32768;state.head=null;state.hold=0;state.bits=0;state.lencode=state.lendyn=new utils.Buf32(ENOUGH_LENS);state.distcode=state.distdyn=new utils.Buf32(ENOUGH_DISTS);state.sane=1;state.back=-1;return Z_OK}function inflateReset(strm){var state;if(!strm||!strm.state){return Z_STREAM_ERROR}state=strm.state;state.wsize=0;state.whave=0;state.wnext=0;return inflateResetKeep(strm)}function inflateReset2(strm,windowBits){var wrap;var state;if(!strm||!strm.state){return Z_STREAM_ERROR}state=strm.state;if(windowBits<0){wrap=0;windowBits=-windowBits}else{wrap=(windowBits>>4)+1;if(windowBits<48){windowBits&=15}}if(windowBits&&(windowBits<8||windowBits>15)){return Z_STREAM_ERROR}if(state.window!==null&&state.wbits!==windowBits){state.window=null}state.wrap=wrap;state.wbits=windowBits;return inflateReset(strm)}function inflateInit2(strm,windowBits){var ret;var state;if(!strm){return Z_STREAM_ERROR}state=new InflateState;strm.state=state;state.window=null;ret=inflateReset2(strm,windowBits);if(ret!==Z_OK){strm.state=null}return ret}function inflateInit(strm){return inflateInit2(strm,DEF_WBITS)}var virgin=true;var lenfix,distfix;function fixedtables(state){if(virgin){var sym;lenfix=new utils.Buf32(512);distfix=new utils.Buf32(32);sym=0;while(sym<144){state.lens[sym++]=8}while(sym<256){state.lens[sym++]=9}while(sym<280){state.lens[sym++]=7}while(sym<288){state.lens[sym++]=8}inflate_table(LENS,state.lens,0,288,lenfix,0,state.work,{bits:9});sym=0;while(sym<32){state.lens[sym++]=5}inflate_table(DISTS,state.lens,0,32,distfix,0,state.work,{bits:5});virgin=false}state.lencode=lenfix;state.lenbits=9;state.distcode=distfix;state.distbits=5}function updatewindow(strm,src,end,copy){var dist;var state=strm.state;if(state.window===null){state.wsize=1<<state.wbits;state.wnext=0;state.whave=0;state.window=new utils.Buf8(state.wsize)}if(copy>=state.wsize){utils.arraySet(state.window,src,end-state.wsize,state.wsize,0);state.wnext=0;state.whave=state.wsize}else{dist=state.wsize-state.wnext;if(dist>copy){dist=copy}utils.arraySet(state.window,src,end-copy,dist,state.wnext);copy-=dist;if(copy){utils.arraySet(state.window,src,end-copy,copy,0);state.wnext=copy;state.whave=state.wsize}else{state.wnext+=dist;if(state.wnext===state.wsize){state.wnext=0}if(state.whave<state.wsize){state.whave+=dist}}}return 0}function inflate(strm,flush){var state;var input,output;var next;var put;var have,left;var hold;var bits;var _in,_out;var copy;var from;var from_source;var here=0;var here_bits,here_op,here_val;var last_bits,last_op,last_val;var len;var ret;var hbuf=new utils.Buf8(4);var opts;var n;var order=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15];if(!strm||!strm.state||!strm.output||!strm.input&&strm.avail_in!==0){return Z_STREAM_ERROR}state=strm.state;if(state.mode===TYPE){state.mode=TYPEDO}put=strm.next_out;output=strm.output;left=strm.avail_out;next=strm.next_in;input=strm.input;have=strm.avail_in;hold=state.hold;bits=state.bits;_in=have;_out=left;ret=Z_OK;inf_leave:for(;;){switch(state.mode){case HEAD:if(state.wrap===0){state.mode=TYPEDO;break}while(bits<16){if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}if(state.wrap&2&&hold===35615){state.check=0;hbuf[0]=hold&255;hbuf[1]=hold>>>8&255;state.check=crc32(state.check,hbuf,2,0);hold=0;bits=0;state.mode=FLAGS;break}state.flags=0;if(state.head){state.head.done=false}if(!(state.wrap&1)||(((hold&255)<<8)+(hold>>8))%31){strm.msg="incorrect header check";state.mode=BAD;break}if((hold&15)!==Z_DEFLATED){strm.msg="unknown compression method";state.mode=BAD;break}hold>>>=4;bits-=4;len=(hold&15)+8;if(state.wbits===0){state.wbits=len}else if(len>state.wbits){strm.msg="invalid window size";state.mode=BAD;break}state.dmax=1<<len;strm.adler=state.check=1;state.mode=hold&512?DICTID:TYPE;hold=0;bits=0;break;case FLAGS:while(bits<16){if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}state.flags=hold;if((state.flags&255)!==Z_DEFLATED){strm.msg="unknown compression method";state.mode=BAD;break}if(state.flags&57344){strm.msg="unknown header flags set";state.mode=BAD;break}if(state.head){state.head.text=hold>>8&1}if(state.flags&512){hbuf[0]=hold&255;hbuf[1]=hold>>>8&255;state.check=crc32(state.check,hbuf,2,0)}hold=0;bits=0;state.mode=TIME;case TIME:while(bits<32){if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}if(state.head){state.head.time=hold}if(state.flags&512){hbuf[0]=hold&255;hbuf[1]=hold>>>8&255;hbuf[2]=hold>>>16&255;hbuf[3]=hold>>>24&255;state.check=crc32(state.check,hbuf,4,0)}hold=0;bits=0;state.mode=OS;case OS:while(bits<16){if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}if(state.head){state.head.xflags=hold&255;state.head.os=hold>>8}if(state.flags&512){hbuf[0]=hold&255;hbuf[1]=hold>>>8&255;state.check=crc32(state.check,hbuf,2,0)}hold=0;bits=0;state.mode=EXLEN;case EXLEN:if(state.flags&1024){while(bits<16){if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}state.length=hold;if(state.head){state.head.extra_len=hold}if(state.flags&512){hbuf[0]=hold&255;hbuf[1]=hold>>>8&255;state.check=crc32(state.check,hbuf,2,0)}hold=0;bits=0}else if(state.head){state.head.extra=null}state.mode=EXTRA;case EXTRA:if(state.flags&1024){copy=state.length;if(copy>have){copy=have}if(copy){if(state.head){len=state.head.extra_len-state.length;if(!state.head.extra){state.head.extra=new Array(state.head.extra_len)}utils.arraySet(state.head.extra,input,next,copy,len)}if(state.flags&512){state.check=crc32(state.check,input,copy,next)}have-=copy;next+=copy;state.length-=copy}if(state.length){break inf_leave}}state.length=0;state.mode=NAME;case NAME:if(state.flags&2048){if(have===0){break inf_leave}copy=0;do{len=input[next+copy++];if(state.head&&len&&state.length<65536){state.head.name+=String.fromCharCode(len)}}while(len&©<have);if(state.flags&512){state.check=crc32(state.check,input,copy,next)}have-=copy;next+=copy;if(len){break inf_leave}}else if(state.head){state.head.name=null}state.length=0;state.mode=COMMENT;case COMMENT:if(state.flags&4096){if(have===0){break inf_leave}copy=0;do{len=input[next+copy++];if(state.head&&len&&state.length<65536){state.head.comment+=String.fromCharCode(len)}}while(len&©<have);if(state.flags&512){state.check=crc32(state.check,input,copy,next)}have-=copy;next+=copy;if(len){break inf_leave}}else if(state.head){state.head.comment=null}state.mode=HCRC;case HCRC:if(state.flags&512){while(bits<16){if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}if(hold!==(state.check&65535)){strm.msg="header crc mismatch";state.mode=BAD;break}hold=0;bits=0}if(state.head){state.head.hcrc=state.flags>>9&1;state.head.done=true}strm.adler=state.check=0;state.mode=TYPE;break;case DICTID:while(bits<32){if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}strm.adler=state.check=zswap32(hold);hold=0;bits=0;state.mode=DICT;case DICT:if(state.havedict===0){strm.next_out=put;strm.avail_out=left;strm.next_in=next;strm.avail_in=have;state.hold=hold;state.bits=bits;return Z_NEED_DICT}strm.adler=state.check=1;state.mode=TYPE;case TYPE:if(flush===Z_BLOCK||flush===Z_TREES){break inf_leave}case TYPEDO:if(state.last){hold>>>=bits&7;bits-=bits&7;state.mode=CHECK;break}while(bits<3){if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}state.last=hold&1;hold>>>=1;bits-=1;switch(hold&3){case 0:state.mode=STORED;break;case 1:fixedtables(state);state.mode=LEN_;if(flush===Z_TREES){hold>>>=2;bits-=2;break inf_leave}break;case 2:state.mode=TABLE;break;case 3:strm.msg="invalid block type";state.mode=BAD}hold>>>=2;bits-=2;break;case STORED:hold>>>=bits&7;bits-=bits&7;while(bits<32){if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}if((hold&65535)!==(hold>>>16^65535)){strm.msg="invalid stored block lengths";state.mode=BAD;break}state.length=hold&65535;hold=0;bits=0;state.mode=COPY_;if(flush===Z_TREES){break inf_leave}case COPY_:state.mode=COPY;case COPY:copy=state.length;if(copy){if(copy>have){copy=have}if(copy>left){copy=left}if(copy===0){break inf_leave}utils.arraySet(output,input,next,copy,put);have-=copy;next+=copy;left-=copy;put+=copy;state.length-=copy;break}state.mode=TYPE;break;case TABLE:while(bits<14){if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}state.nlen=(hold&31)+257;hold>>>=5;bits-=5;state.ndist=(hold&31)+1;hold>>>=5;bits-=5;state.ncode=(hold&15)+4;hold>>>=4;bits-=4;if(state.nlen>286||state.ndist>30){strm.msg="too many length or distance symbols";state.mode=BAD;break}state.have=0;state.mode=LENLENS;case LENLENS:while(state.have<state.ncode){while(bits<3){if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}state.lens[order[state.have++]]=hold&7;hold>>>=3;bits-=3}while(state.have<19){state.lens[order[state.have++]]=0}state.lencode=state.lendyn;state.lenbits=7;opts={bits:state.lenbits};ret=inflate_table(CODES,state.lens,0,19,state.lencode,0,state.work,opts);state.lenbits=opts.bits;if(ret){strm.msg="invalid code lengths set";state.mode=BAD;break}state.have=0;state.mode=CODELENS;case CODELENS:while(state.have<state.nlen+state.ndist){for(;;){here=state.lencode[hold&(1<<state.lenbits)-1];here_bits=here>>>24;here_op=here>>>16&255;here_val=here&65535;if(here_bits<=bits){break}if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}if(here_val<16){hold>>>=here_bits;bits-=here_bits;state.lens[state.have++]=here_val}else{if(here_val===16){n=here_bits+2;while(bits<n){if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}hold>>>=here_bits;bits-=here_bits;if(state.have===0){strm.msg="invalid bit length repeat";state.mode=BAD;break}len=state.lens[state.have-1];copy=3+(hold&3);hold>>>=2;bits-=2}else if(here_val===17){n=here_bits+3;while(bits<n){if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}hold>>>=here_bits;bits-=here_bits;len=0;copy=3+(hold&7);hold>>>=3;bits-=3}else{n=here_bits+7;while(bits<n){if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}hold>>>=here_bits;bits-=here_bits;len=0;copy=11+(hold&127);hold>>>=7;bits-=7}if(state.have+copy>state.nlen+state.ndist){strm.msg="invalid bit length repeat";state.mode=BAD;break}while(copy--){state.lens[state.have++]=len}}}if(state.mode===BAD){break}if(state.lens[256]===0){strm.msg="invalid code -- missing end-of-block";state.mode=BAD;break}state.lenbits=9;opts={bits:state.lenbits};ret=inflate_table(LENS,state.lens,0,state.nlen,state.lencode,0,state.work,opts);state.lenbits=opts.bits;if(ret){strm.msg="invalid literal/lengths set";state.mode=BAD;break}state.distbits=6;state.distcode=state.distdyn;opts={bits:state.distbits};ret=inflate_table(DISTS,state.lens,state.nlen,state.ndist,state.distcode,0,state.work,opts);state.distbits=opts.bits;if(ret){strm.msg="invalid distances set";state.mode=BAD;break}state.mode=LEN_;if(flush===Z_TREES){break inf_leave}case LEN_:state.mode=LEN;case LEN:if(have>=6&&left>=258){strm.next_out=put;strm.avail_out=left;strm.next_in=next;strm.avail_in=have;state.hold=hold;state.bits=bits;inflate_fast(strm,_out);put=strm.next_out;output=strm.output;left=strm.avail_out;next=strm.next_in;input=strm.input;have=strm.avail_in;hold=state.hold;bits=state.bits;if(state.mode===TYPE){state.back=-1}break}state.back=0;for(;;){here=state.lencode[hold&(1<<state.lenbits)-1];here_bits=here>>>24;here_op=here>>>16&255;here_val=here&65535;if(here_bits<=bits){break}if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}if(here_op&&(here_op&240)===0){last_bits=here_bits;last_op=here_op;last_val=here_val;for(;;){here=state.lencode[last_val+((hold&(1<<last_bits+last_op)-1)>>last_bits)];here_bits=here>>>24;here_op=here>>>16&255;here_val=here&65535;if(last_bits+here_bits<=bits){break}if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}hold>>>=last_bits;bits-=last_bits;state.back+=last_bits}hold>>>=here_bits;bits-=here_bits;state.back+=here_bits;state.length=here_val;if(here_op===0){state.mode=LIT;break}if(here_op&32){state.back=-1;state.mode=TYPE;break}if(here_op&64){strm.msg="invalid literal/length code";state.mode=BAD;break}state.extra=here_op&15;state.mode=LENEXT;case LENEXT:if(state.extra){n=state.extra;while(bits<n){if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}state.length+=hold&(1<<state.extra)-1;hold>>>=state.extra;bits-=state.extra;state.back+=state.extra}state.was=state.length;state.mode=DIST;case DIST:for(;;){here=state.distcode[hold&(1<<state.distbits)-1];here_bits=here>>>24;here_op=here>>>16&255;here_val=here&65535;if(here_bits<=bits){break}if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}if((here_op&240)===0){last_bits=here_bits;last_op=here_op;last_val=here_val;for(;;){here=state.distcode[last_val+((hold&(1<<last_bits+last_op)-1)>>last_bits)];here_bits=here>>>24;here_op=here>>>16&255;here_val=here&65535;if(last_bits+here_bits<=bits){break}if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}hold>>>=last_bits;bits-=last_bits;state.back+=last_bits}hold>>>=here_bits;bits-=here_bits;state.back+=here_bits;if(here_op&64){strm.msg="invalid distance code";state.mode=BAD;break}state.offset=here_val;state.extra=here_op&15;state.mode=DISTEXT;case DISTEXT:if(state.extra){n=state.extra;while(bits<n){if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}state.offset+=hold&(1<<state.extra)-1;hold>>>=state.extra;bits-=state.extra;state.back+=state.extra}if(state.offset>state.dmax){strm.msg="invalid distance too far back";state.mode=BAD;break}state.mode=MATCH;case MATCH:if(left===0){break inf_leave}copy=_out-left;if(state.offset>copy){copy=state.offset-copy;if(copy>state.whave){if(state.sane){strm.msg="invalid distance too far back";state.mode=BAD;break}}if(copy>state.wnext){copy-=state.wnext;from=state.wsize-copy}else{from=state.wnext-copy}if(copy>state.length){copy=state.length}from_source=state.window}else{from_source=output;from=put-state.offset;copy=state.length}if(copy>left){copy=left}left-=copy;state.length-=copy;do{output[put++]=from_source[from++]}while(--copy);if(state.length===0){state.mode=LEN}break;case LIT:if(left===0){break inf_leave}output[put++]=state.length;left--;state.mode=LEN;break;case CHECK:if(state.wrap){while(bits<32){if(have===0){break inf_leave}have--;hold|=input[next++]<<bits;bits+=8}_out-=left;strm.total_out+=_out;state.total+=_out;if(_out){strm.adler=state.check=state.flags?crc32(state.check,output,_out,put-_out):adler32(state.check,output,_out,put-_out)}_out=left;if((state.flags?hold:zswap32(hold))!==state.check){strm.msg="incorrect data check";state.mode=BAD;break}hold=0;bits=0}state.mode=LENGTH;case LENGTH:if(state.wrap&&state.flags){while(bits<32){if(have===0){break inf_leave}have--;hold+=input[next++]<<bits;bits+=8}if(hold!==(state.total&4294967295)){strm.msg="incorrect length check";state.mode=BAD;break}hold=0;bits=0}state.mode=DONE;case DONE:ret=Z_STREAM_END;break inf_leave;case BAD:ret=Z_DATA_ERROR;break inf_leave;case MEM:return Z_MEM_ERROR;case SYNC:default:return Z_STREAM_ERROR}}strm.next_out=put;strm.avail_out=left;strm.next_in=next;strm.avail_in=have;state.hold=hold;state.bits=bits;if(state.wsize||_out!==strm.avail_out&&state.mode<BAD&&(state.mode<CHECK||flush!==Z_FINISH)){if(updatewindow(strm,strm.output,strm.next_out,_out-strm.avail_out)){state.mode=MEM;return Z_MEM_ERROR}}_in-=strm.avail_in;_out-=strm.avail_out;strm.total_in+=_in;strm.total_out+=_out;state.total+=_out;if(state.wrap&&_out){strm.adler=state.check=state.flags?crc32(state.check,output,_out,strm.next_out-_out):adler32(state.check,output,_out,strm.next_out-_out)}strm.data_type=state.bits+(state.last?64:0)+(state.mode===TYPE?128:0)+(state.mode===LEN_||state.mode===COPY_?256:0);if((_in===0&&_out===0||flush===Z_FINISH)&&ret===Z_OK){ret=Z_BUF_ERROR}return ret}function inflateEnd(strm){if(!strm||!strm.state){return Z_STREAM_ERROR}var state=strm.state;if(state.window){state.window=null}strm.state=null;return Z_OK}function inflateGetHeader(strm,head){var state;if(!strm||!strm.state){return Z_STREAM_ERROR}state=strm.state;if((state.wrap&2)===0){return Z_STREAM_ERROR}state.head=head;head.done=false;return Z_OK}function inflateSetDictionary(strm,dictionary){var dictLength=dictionary.length;var state;var dictid;var ret;if(!strm||!strm.state){return Z_STREAM_ERROR}state=strm.state;if(state.wrap!==0&&state.mode!==DICT){return Z_STREAM_ERROR}if(state.mode===DICT){dictid=1;dictid=adler32(dictid,dictionary,dictLength,0);if(dictid!==state.check){return Z_DATA_ERROR}}ret=updatewindow(strm,dictionary,dictLength,dictLength);if(ret){state.mode=MEM;return Z_MEM_ERROR}state.havedict=1;return Z_OK}exports.inflateReset=inflateReset;exports.inflateReset2=inflateReset2;exports.inflateResetKeep=inflateResetKeep;exports.inflateInit=inflateInit;exports.inflateInit2=inflateInit2;exports.inflate=inflate;exports.inflateEnd=inflateEnd;exports.inflateGetHeader=inflateGetHeader;exports.inflateSetDictionary=inflateSetDictionary;exports.inflateInfo="pako inflate (from Nodeca project)"},{"../utils/common":39,"./adler32":40,"./crc32":42,"./inffast":44,"./inftrees":46}],46:[function(require,module,exports){"use strict";var utils=require("../utils/common");var MAXBITS=15;var ENOUGH_LENS=852;var ENOUGH_DISTS=592;var CODES=0;var LENS=1;var DISTS=2;var lbase=[3,4,5,6,7,8,9,10,11,13,15,17,19,23,27,31,35,43,51,59,67,83,99,115,131,163,195,227,258,0,0];var lext=[16,16,16,16,16,16,16,16,17,17,17,17,18,18,18,18,19,19,19,19,20,20,20,20,21,21,21,21,16,72,78];var dbase=[1,2,3,4,5,7,9,13,17,25,33,49,65,97,129,193,257,385,513,769,1025,1537,2049,3073,4097,6145,8193,12289,16385,24577,0,0];var dext=[16,16,16,16,17,17,18,18,19,19,20,20,21,21,22,22,23,23,24,24,25,25,26,26,27,27,28,28,29,29,64,64];module.exports=function inflate_table(type,lens,lens_index,codes,table,table_index,work,opts){var bits=opts.bits;var len=0;var sym=0;var min=0,max=0;var root=0;var curr=0;var drop=0;var left=0;var used=0;var huff=0;var incr;var fill;var low;var mask;var next;var base=null;var base_index=0;var end;var count=new utils.Buf16(MAXBITS+1);var offs=new utils.Buf16(MAXBITS+1);var extra=null;var extra_index=0;var here_bits,here_op,here_val;for(len=0;len<=MAXBITS;len++){count[len]=0}for(sym=0;sym<codes;sym++){count[lens[lens_index+sym]]++}root=bits;for(max=MAXBITS;max>=1;max--){if(count[max]!==0){break}}if(root>max){root=max}if(max===0){table[table_index++]=1<<24|64<<16|0;table[table_index++]=1<<24|64<<16|0;opts.bits=1;return 0}for(min=1;min<max;min++){if(count[min]!==0){break}}if(root<min){root=min}left=1;for(len=1;len<=MAXBITS;len++){left<<=1;left-=count[len];if(left<0){return-1}}if(left>0&&(type===CODES||max!==1)){return-1}offs[1]=0;for(len=1;len<MAXBITS;len++){offs[len+1]=offs[len]+count[len]}for(sym=0;sym<codes;sym++){if(lens[lens_index+sym]!==0){work[offs[lens[lens_index+sym]]++]=sym}}if(type===CODES){base=extra=work;end=19}else if(type===LENS){base=lbase;base_index-=257;extra=lext;extra_index-=257;end=256}else{base=dbase;extra=dext;end=-1}huff=0;sym=0;len=min;next=table_index;curr=root;drop=0;low=-1;used=1<<root;mask=used-1;if(type===LENS&&used>ENOUGH_LENS||type===DISTS&&used>ENOUGH_DISTS){return 1}for(;;){here_bits=len-drop;if(work[sym]<end){here_op=0;here_val=work[sym]}else if(work[sym]>end){here_op=extra[extra_index+work[sym]];here_val=base[base_index+work[sym]]}else{here_op=32+64;here_val=0}incr=1<<len-drop;fill=1<<curr;min=fill;do{fill-=incr;table[next+(huff>>drop)+fill]=here_bits<<24|here_op<<16|here_val|0}while(fill!==0);incr=1<<len-1;while(huff&incr){incr>>=1}if(incr!==0){huff&=incr-1;huff+=incr}else{huff=0}sym++;if(--count[len]===0){if(len===max){break}len=lens[lens_index+work[sym]]}if(len>root&&(huff&mask)!==low){if(drop===0){drop=root}next+=min;curr=len-drop;left=1<<curr;while(curr+drop<max){left-=count[curr+drop];if(left<=0){break}curr++;left<<=1}used+=1<<curr;if(type===LENS&&used>ENOUGH_LENS||type===DISTS&&used>ENOUGH_DISTS){return 1}low=huff&mask;table[low]=root<<24|curr<<16|next-table_index|0}}if(huff!==0){table[next+huff]=len-drop<<24|64<<16|0}opts.bits=root;return 0}},{"../utils/common":39}],47:[function(require,module,exports){"use strict";module.exports={2:"need dictionary",1:"stream end",0:"","-1":"file error","-2":"stream error","-3":"data error","-4":"insufficient memory","-5":"buffer error","-6":"incompatible version"}},{}],48:[function(require,module,exports){"use strict";var utils=require("../utils/common");var Z_FIXED=4;var Z_BINARY=0;var Z_TEXT=1;var Z_UNKNOWN=2;function zero(buf){var len=buf.length;while(--len>=0){buf[len]=0}}var STORED_BLOCK=0;var STATIC_TREES=1;var DYN_TREES=2;var MIN_MATCH=3;var MAX_MATCH=258;var LENGTH_CODES=29;var LITERALS=256;var L_CODES=LITERALS+1+LENGTH_CODES;var D_CODES=30;var BL_CODES=19;var HEAP_SIZE=2*L_CODES+1;var MAX_BITS=15;var Buf_size=16;var MAX_BL_BITS=7;var END_BLOCK=256;var REP_3_6=16;var REPZ_3_10=17;var REPZ_11_138=18;var extra_lbits=[0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,3,3,3,3,4,4,4,4,5,5,5,5,0];var extra_dbits=[0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13];var extra_blbits=[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,2,3,7];var bl_order=[16,17,18,0,8,7,9,6,10,5,11,4,12,3,13,2,14,1,15];var DIST_CODE_LEN=512;var static_ltree=new Array((L_CODES+2)*2);zero(static_ltree);var static_dtree=new Array(D_CODES*2);zero(static_dtree);var _dist_code=new Array(DIST_CODE_LEN);zero(_dist_code);var _length_code=new Array(MAX_MATCH-MIN_MATCH+1);zero(_length_code);var base_length=new Array(LENGTH_CODES);zero(base_length);var base_dist=new Array(D_CODES);zero(base_dist);function StaticTreeDesc(static_tree,extra_bits,extra_base,elems,max_length){this.static_tree=static_tree;this.extra_bits=extra_bits;this.extra_base=extra_base;this.elems=elems;this.max_length=max_length;this.has_stree=static_tree&&static_tree.length}var static_l_desc;var static_d_desc;var static_bl_desc;function TreeDesc(dyn_tree,stat_desc){this.dyn_tree=dyn_tree;this.max_code=0;this.stat_desc=stat_desc}function d_code(dist){return dist<256?_dist_code[dist]:_dist_code[256+(dist>>>7)]}function put_short(s,w){s.pending_buf[s.pending++]=w&255;s.pending_buf[s.pending++]=w>>>8&255}function send_bits(s,value,length){if(s.bi_valid>Buf_size-length){s.bi_buf|=value<<s.bi_valid&65535;put_short(s,s.bi_buf);s.bi_buf=value>>Buf_size-s.bi_valid;s.bi_valid+=length-Buf_size}else{s.bi_buf|=value<<s.bi_valid&65535;s.bi_valid+=length}}function send_code(s,c,tree){send_bits(s,tree[c*2],tree[c*2+1])}function bi_reverse(code,len){var res=0;do{res|=code&1;code>>>=1;res<<=1}while(--len>0);return res>>>1}function bi_flush(s){if(s.bi_valid===16){put_short(s,s.bi_buf);s.bi_buf=0;s.bi_valid=0}else if(s.bi_valid>=8){s.pending_buf[s.pending++]=s.bi_buf&255;s.bi_buf>>=8;s.bi_valid-=8}}function gen_bitlen(s,desc){var tree=desc.dyn_tree;var max_code=desc.max_code;var stree=desc.stat_desc.static_tree;var has_stree=desc.stat_desc.has_stree;var extra=desc.stat_desc.extra_bits;var base=desc.stat_desc.extra_base;var max_length=desc.stat_desc.max_length;var h;var n,m;var bits;var xbits;var f;var overflow=0;for(bits=0;bits<=MAX_BITS;bits++){s.bl_count[bits]=0}tree[s.heap[s.heap_max]*2+1]=0;for(h=s.heap_max+1;h<HEAP_SIZE;h++){n=s.heap[h];bits=tree[tree[n*2+1]*2+1]+1;if(bits>max_length){bits=max_length;overflow++}tree[n*2+1]=bits;if(n>max_code){continue}s.bl_count[bits]++;xbits=0;if(n>=base){xbits=extra[n-base]}f=tree[n*2];s.opt_len+=f*(bits+xbits);if(has_stree){s.static_len+=f*(stree[n*2+1]+xbits)}}if(overflow===0){return}do{bits=max_length-1;while(s.bl_count[bits]===0){bits--}s.bl_count[bits]--;s.bl_count[bits+1]+=2;s.bl_count[max_length]--;overflow-=2}while(overflow>0);for(bits=max_length;bits!==0;bits--){n=s.bl_count[bits];while(n!==0){m=s.heap[--h];if(m>max_code){continue}if(tree[m*2+1]!==bits){s.opt_len+=(bits-tree[m*2+1])*tree[m*2];tree[m*2+1]=bits}n--}}}function gen_codes(tree,max_code,bl_count){var next_code=new Array(MAX_BITS+1);var code=0;var bits;var n;for(bits=1;bits<=MAX_BITS;bits++){next_code[bits]=code=code+bl_count[bits-1]<<1}for(n=0;n<=max_code;n++){var len=tree[n*2+1];if(len===0){continue}tree[n*2]=bi_reverse(next_code[len]++,len)}}function tr_static_init(){var n;var bits;var length;var code;var dist;var bl_count=new Array(MAX_BITS+1);length=0;for(code=0;code<LENGTH_CODES-1;code++){base_length[code]=length;for(n=0;n<1<<extra_lbits[code];n++){_length_code[length++]=code}}_length_code[length-1]=code;dist=0;for(code=0;code<16;code++){base_dist[code]=dist;for(n=0;n<1<<extra_dbits[code];n++){_dist_code[dist++]=code}}dist>>=7;for(;code<D_CODES;code++){base_dist[code]=dist<<7;for(n=0;n<1<<extra_dbits[code]-7;n++){_dist_code[256+dist++]=code}}for(bits=0;bits<=MAX_BITS;bits++){bl_count[bits]=0}n=0;while(n<=143){static_ltree[n*2+1]=8;n++;bl_count[8]++}while(n<=255){static_ltree[n*2+1]=9;n++;bl_count[9]++}while(n<=279){static_ltree[n*2+1]=7;n++;bl_count[7]++}while(n<=287){static_ltree[n*2+1]=8;n++;bl_count[8]++}gen_codes(static_ltree,L_CODES+1,bl_count);for(n=0;n<D_CODES;n++){static_dtree[n*2+1]=5;static_dtree[n*2]=bi_reverse(n,5)}static_l_desc=new StaticTreeDesc(static_ltree,extra_lbits,LITERALS+1,L_CODES,MAX_BITS);static_d_desc=new StaticTreeDesc(static_dtree,extra_dbits,0,D_CODES,MAX_BITS);static_bl_desc=new StaticTreeDesc(new Array(0),extra_blbits,0,BL_CODES,MAX_BL_BITS)}function init_block(s){var n;for(n=0;n<L_CODES;n++){s.dyn_ltree[n*2]=0}for(n=0;n<D_CODES;n++){s.dyn_dtree[n*2]=0}for(n=0;n<BL_CODES;n++){s.bl_tree[n*2]=0}s.dyn_ltree[END_BLOCK*2]=1;s.opt_len=s.static_len=0;s.last_lit=s.matches=0}function bi_windup(s){if(s.bi_valid>8){put_short(s,s.bi_buf)}else if(s.bi_valid>0){s.pending_buf[s.pending++]=s.bi_buf}s.bi_buf=0;s.bi_valid=0}function copy_block(s,buf,len,header){bi_windup(s);if(header){put_short(s,len);put_short(s,~len)}utils.arraySet(s.pending_buf,s.window,buf,len,s.pending);s.pending+=len}function smaller(tree,n,m,depth){var _n2=n*2;var _m2=m*2;return tree[_n2]<tree[_m2]||tree[_n2]===tree[_m2]&&depth[n]<=depth[m]}function pqdownheap(s,tree,k){var v=s.heap[k];var j=k<<1;while(j<=s.heap_len){if(j<s.heap_len&&smaller(tree,s.heap[j+1],s.heap[j],s.depth)){j++}if(smaller(tree,v,s.heap[j],s.depth)){break}s.heap[k]=s.heap[j];k=j;j<<=1}s.heap[k]=v}function compress_block(s,ltree,dtree){var dist;var lc;var lx=0;var code;var extra;if(s.last_lit!==0){do{dist=s.pending_buf[s.d_buf+lx*2]<<8|s.pending_buf[s.d_buf+lx*2+1];lc=s.pending_buf[s.l_buf+lx];lx++;if(dist===0){send_code(s,lc,ltree)}else{code=_length_code[lc];send_code(s,code+LITERALS+1,ltree);extra=extra_lbits[code];if(extra!==0){lc-=base_length[code];send_bits(s,lc,extra)}dist--;code=d_code(dist);send_code(s,code,dtree);extra=extra_dbits[code];if(extra!==0){dist-=base_dist[code];send_bits(s,dist,extra)}}}while(lx<s.last_lit)}send_code(s,END_BLOCK,ltree)}function build_tree(s,desc){var tree=desc.dyn_tree;var stree=desc.stat_desc.static_tree;var has_stree=desc.stat_desc.has_stree;var elems=desc.stat_desc.elems;var n,m;var max_code=-1;var node;s.heap_len=0;s.heap_max=HEAP_SIZE;for(n=0;n<elems;n++){if(tree[n*2]!==0){s.heap[++s.heap_len]=max_code=n;s.depth[n]=0}else{tree[n*2+1]=0}}while(s.heap_len<2){node=s.heap[++s.heap_len]=max_code<2?++max_code:0;tree[node*2]=1;s.depth[node]=0;s.opt_len--;if(has_stree){s.static_len-=stree[node*2+1]}}desc.max_code=max_code;for(n=s.heap_len>>1;n>=1;n--){pqdownheap(s,tree,n)}node=elems;do{n=s.heap[1];s.heap[1]=s.heap[s.heap_len--];pqdownheap(s,tree,1);m=s.heap[1];s.heap[--s.heap_max]=n;s.heap[--s.heap_max]=m;tree[node*2]=tree[n*2]+tree[m*2];s.depth[node]=(s.depth[n]>=s.depth[m]?s.depth[n]:s.depth[m])+1;tree[n*2+1]=tree[m*2+1]=node;s.heap[1]=node++;pqdownheap(s,tree,1)}while(s.heap_len>=2);s.heap[--s.heap_max]=s.heap[1];gen_bitlen(s,desc);gen_codes(tree,max_code,s.bl_count)}function scan_tree(s,tree,max_code){var n;var prevlen=-1;var curlen;var nextlen=tree[0*2+1];var count=0;var max_count=7;var min_count=4;if(nextlen===0){max_count=138;min_count=3}tree[(max_code+1)*2+1]=65535;for(n=0;n<=max_code;n++){curlen=nextlen;nextlen=tree[(n+1)*2+1];if(++count<max_count&&curlen===nextlen){continue}else if(count<min_count){s.bl_tree[curlen*2]+=count}else if(curlen!==0){if(curlen!==prevlen){s.bl_tree[curlen*2]++}s.bl_tree[REP_3_6*2]++}else if(count<=10){s.bl_tree[REPZ_3_10*2]++}else{s.bl_tree[REPZ_11_138*2]++}count=0;prevlen=curlen;if(nextlen===0){max_count=138;min_count=3}else if(curlen===nextlen){max_count=6;min_count=3}else{max_count=7;min_count=4}}}function send_tree(s,tree,max_code){var n;var prevlen=-1;var curlen;var nextlen=tree[0*2+1];var count=0;var max_count=7;var min_count=4;if(nextlen===0){max_count=138;min_count=3}for(n=0;n<=max_code;n++){curlen=nextlen;nextlen=tree[(n+1)*2+1];if(++count<max_count&&curlen===nextlen){continue}else if(count<min_count){do{send_code(s,curlen,s.bl_tree)}while(--count!==0)}else if(curlen!==0){if(curlen!==prevlen){send_code(s,curlen,s.bl_tree);count--}send_code(s,REP_3_6,s.bl_tree);send_bits(s,count-3,2)}else if(count<=10){send_code(s,REPZ_3_10,s.bl_tree);send_bits(s,count-3,3)}else{send_code(s,REPZ_11_138,s.bl_tree);send_bits(s,count-11,7)}count=0;prevlen=curlen;if(nextlen===0){max_count=138;min_count=3}else if(curlen===nextlen){max_count=6;min_count=3}else{max_count=7;min_count=4}}}function build_bl_tree(s){var max_blindex;scan_tree(s,s.dyn_ltree,s.l_desc.max_code);scan_tree(s,s.dyn_dtree,s.d_desc.max_code);build_tree(s,s.bl_desc);for(max_blindex=BL_CODES-1;max_blindex>=3;max_blindex--){if(s.bl_tree[bl_order[max_blindex]*2+1]!==0){break}}s.opt_len+=3*(max_blindex+1)+5+5+4;return max_blindex}function send_all_trees(s,lcodes,dcodes,blcodes){var rank;send_bits(s,lcodes-257,5);send_bits(s,dcodes-1,5);send_bits(s,blcodes-4,4);for(rank=0;rank<blcodes;rank++){send_bits(s,s.bl_tree[bl_order[rank]*2+1],3)}send_tree(s,s.dyn_ltree,lcodes-1);send_tree(s,s.dyn_dtree,dcodes-1)}function detect_data_type(s){var black_mask=4093624447;var n;for(n=0;n<=31;n++,black_mask>>>=1){if(black_mask&1&&s.dyn_ltree[n*2]!==0){return Z_BINARY}}if(s.dyn_ltree[9*2]!==0||s.dyn_ltree[10*2]!==0||s.dyn_ltree[13*2]!==0){return Z_TEXT}for(n=32;n<LITERALS;n++){if(s.dyn_ltree[n*2]!==0){return Z_TEXT}}return Z_BINARY}var static_init_done=false;function _tr_init(s){if(!static_init_done){tr_static_init();static_init_done=true}s.l_desc=new TreeDesc(s.dyn_ltree,static_l_desc);s.d_desc=new TreeDesc(s.dyn_dtree,static_d_desc);s.bl_desc=new TreeDesc(s.bl_tree,static_bl_desc);s.bi_buf=0;s.bi_valid=0;init_block(s)}function _tr_stored_block(s,buf,stored_len,last){send_bits(s,(STORED_BLOCK<<1)+(last?1:0),3);copy_block(s,buf,stored_len,true)}function _tr_align(s){send_bits(s,STATIC_TREES<<1,3);send_code(s,END_BLOCK,static_ltree);bi_flush(s)}function _tr_flush_block(s,buf,stored_len,last){var opt_lenb,static_lenb;var max_blindex=0;if(s.level>0){if(s.strm.data_type===Z_UNKNOWN){s.strm.data_type=detect_data_type(s)}build_tree(s,s.l_desc);build_tree(s,s.d_desc);max_blindex=build_bl_tree(s);opt_lenb=s.opt_len+3+7>>>3;static_lenb=s.static_len+3+7>>>3;if(static_lenb<=opt_lenb){opt_lenb=static_lenb}}else{opt_lenb=static_lenb=stored_len+5}if(stored_len+4<=opt_lenb&&buf!==-1){_tr_stored_block(s,buf,stored_len,last)}else if(s.strategy===Z_FIXED||static_lenb===opt_lenb){send_bits(s,(STATIC_TREES<<1)+(last?1:0),3);compress_block(s,static_ltree,static_dtree)}else{send_bits(s,(DYN_TREES<<1)+(last?1:0),3);send_all_trees(s,s.l_desc.max_code+1,s.d_desc.max_code+1,max_blindex+1);compress_block(s,s.dyn_ltree,s.dyn_dtree)}init_block(s);if(last){bi_windup(s)}}function _tr_tally(s,dist,lc){s.pending_buf[s.d_buf+s.last_lit*2]=dist>>>8&255;s.pending_buf[s.d_buf+s.last_lit*2+1]=dist&255;s.pending_buf[s.l_buf+s.last_lit]=lc&255;s.last_lit++;if(dist===0){s.dyn_ltree[lc*2]++}else{s.matches++;dist--;s.dyn_ltree[(_length_code[lc]+LITERALS+1)*2]++;s.dyn_dtree[d_code(dist)*2]++}return s.last_lit===s.lit_bufsize-1}exports._tr_init=_tr_init;exports._tr_stored_block=_tr_stored_block;exports._tr_flush_block=_tr_flush_block;exports._tr_tally=_tr_tally;exports._tr_align=_tr_align},{"../utils/common":39}],49:[function(require,module,exports){"use strict";function ZStream(){this.input=null;this.next_in=0;this.avail_in=0;this.total_in=0;this.output=null;this.next_out=0;this.avail_out=0;this.total_out=0;this.msg="";this.state=null;this.data_type=2;this.adler=0}module.exports=ZStream},{}],50:[function(require,module,exports){(function(process){function normalizeArray(parts,allowAboveRoot){var up=0;for(var i=parts.length-1;i>=0;i--){var last=parts[i];if(last==="."){parts.splice(i,1)}else if(last===".."){parts.splice(i,1);up++}else if(up){parts.splice(i,1);up--}}if(allowAboveRoot){for(;up--;up){parts.unshift("..")}}return parts}var splitPathRe=/^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;var splitPath=function(filename){return splitPathRe.exec(filename).slice(1)};exports.resolve=function(){var resolvedPath="",resolvedAbsolute=false;for(var i=arguments.length-1;i>=-1&&!resolvedAbsolute;i--){var path=i>=0?arguments[i]:process.cwd();if(typeof path!=="string"){throw new TypeError("Arguments to path.resolve must be strings")}else if(!path){continue}resolvedPath=path+"/"+resolvedPath;resolvedAbsolute=path.charAt(0)==="/"}resolvedPath=normalizeArray(filter(resolvedPath.split("/"),function(p){return!!p}),!resolvedAbsolute).join("/");return(resolvedAbsolute?"/":"")+resolvedPath||"."};exports.normalize=function(path){var isAbsolute=exports.isAbsolute(path),trailingSlash=substr(path,-1)==="/";path=normalizeArray(filter(path.split("/"),function(p){return!!p}),!isAbsolute).join("/");if(!path&&!isAbsolute){path="."}if(path&&trailingSlash){path+="/"}return(isAbsolute?"/":"")+path};exports.isAbsolute=function(path){return path.charAt(0)==="/"};exports.join=function(){var paths=Array.prototype.slice.call(arguments,0);return exports.normalize(filter(paths,function(p,index){if(typeof p!=="string"){throw new TypeError("Arguments to path.join must be strings")}return p}).join("/"))};exports.relative=function(from,to){from=exports.resolve(from).substr(1);to=exports.resolve(to).substr(1);function trim(arr){var start=0;for(;start<arr.length;start++){if(arr[start]!=="")break}var end=arr.length-1;for(;end>=0;end--){if(arr[end]!=="")break}if(start>end)return[];return arr.slice(start,end-start+1)}var fromParts=trim(from.split("/"));var toParts=trim(to.split("/"));var length=Math.min(fromParts.length,toParts.length);var samePartsLength=length;for(var i=0;i<length;i++){if(fromParts[i]!==toParts[i]){samePartsLength=i;break}}var outputParts=[];for(var i=samePartsLength;i<fromParts.length;i++){outputParts.push("..")}outputParts=outputParts.concat(toParts.slice(samePartsLength));return outputParts.join("/")};exports.sep="/";exports.delimiter=":";exports.dirname=function(path){var result=splitPath(path),root=result[0],dir=result[1];if(!root&&!dir){return"."}if(dir){dir=dir.substr(0,dir.length-1)}return root+dir};exports.basename=function(path,ext){var f=splitPath(path)[2];if(ext&&f.substr(-1*ext.length)===ext){f=f.substr(0,f.length-ext.length)}return f};exports.extname=function(path){return splitPath(path)[3]};function filter(xs,f){if(xs.filter)return xs.filter(f);var res=[];for(var i=0;i<xs.length;i++){if(f(xs[i],i,xs))res.push(xs[i])}return res}var substr="ab".substr(-1)==="b"?function(str,start,len){return str.substr(start,len)}:function(str,start,len){if(start<0)start=str.length+start;return str.substr(start,len)}}).call(this,require("_process"))},{_process:73}],51:[function(require,module,exports){(function(Buffer){"use strict";var interlaceUtils=require("./interlace");var pixelBppMap={1:{0:0,1:0,2:0,3:255},2:{0:0,1:0,2:0,3:1},3:{0:0,1:1,2:2,3:255},4:{0:0,1:1,2:2,3:3}};function bitRetriever(data,depth){var leftOver=[];var i=0;function split(){if(i===data.length){throw new Error("Ran out of data")}var byte=data[i];i++;var byte8,byte7,byte6,byte5,byte4,byte3,byte2,byte1;switch(depth){default:throw new Error("unrecognised depth");case 16:byte2=data[i];i++;leftOver.push((byte<<8)+byte2);break;case 4:byte2=byte&15;byte1=byte>>4;leftOver.push(byte1,byte2);break;case 2:byte4=byte&3;byte3=byte>>2&3;byte2=byte>>4&3;byte1=byte>>6&3;leftOver.push(byte1,byte2,byte3,byte4);break;case 1:byte8=byte&1;byte7=byte>>1&1;byte6=byte>>2&1;byte5=byte>>3&1;byte4=byte>>4&1;byte3=byte>>5&1;byte2=byte>>6&1;byte1=byte>>7&1;leftOver.push(byte1,byte2,byte3,byte4,byte5,byte6,byte7,byte8);break}}return{get:function(count){while(leftOver.length<count){split()}var returner=leftOver.slice(0,count);leftOver=leftOver.slice(count);return returner},resetAfterLine:function(){leftOver.length=0},end:function(){if(i!==data.length){throw new Error("extra data found")}}}}function mapImage8Bit(image,pxData,getPxPos,bpp,data,rawPos){var imageWidth=image.width;var imageHeight=image.height;var imagePass=image.index;for(var y=0;y<imageHeight;y++){for(var x=0;x<imageWidth;x++){var pxPos=getPxPos(x,y,imagePass);for(var i=0;i<4;i++){var idx=pixelBppMap[bpp][i];if(i===data.length){throw new Error("Ran out of data")}pxData[pxPos+i]=idx!==255?data[idx+rawPos]:255}rawPos+=bpp}}return rawPos}function mapImageCustomBit(image,pxData,getPxPos,bpp,bits,maxBit){var imageWidth=image.width;var imageHeight=image.height;var imagePass=image.index;for(var y=0;y<imageHeight;y++){for(var x=0;x<imageWidth;x++){var pixelData=bits.get(bpp);var pxPos=getPxPos(x,y,imagePass);for(var i=0;i<4;i++){var idx=pixelBppMap[bpp][i];pxData[pxPos+i]=idx!==255?pixelData[idx]:maxBit}}bits.resetAfterLine()}}exports.dataToBitMap=function(data,bitmapInfo){var width=bitmapInfo.width;var height=bitmapInfo.height;var depth=bitmapInfo.depth;var bpp=bitmapInfo.bpp;var interlace=bitmapInfo.interlace;if(depth!==8){var bits=bitRetriever(data,depth)}var pxData;if(depth<=8){pxData=new Buffer(width*height*4)}else{pxData=new Uint16Array(width*height*4)}var maxBit=Math.pow(2,depth)-1;var rawPos=0;var images;var getPxPos;if(interlace){images=interlaceUtils.getImagePasses(width,height);getPxPos=interlaceUtils.getInterlaceIterator(width,height)}else{var nonInterlacedPxPos=0;getPxPos=function(){var returner=nonInterlacedPxPos;nonInterlacedPxPos+=4;return returner};images=[{width:width,height:height}]}for(var imageIndex=0;imageIndex<images.length;imageIndex++){if(depth===8){rawPos=mapImage8Bit(images[imageIndex],pxData,getPxPos,bpp,data,rawPos)}else{mapImageCustomBit(images[imageIndex],pxData,getPxPos,bpp,bits,maxBit)}}if(depth===8){if(rawPos!==data.length){throw new Error("extra data found")}}else{bits.end()}return pxData}}).call(this,require("buffer").Buffer)},{"./interlace":61,buffer:7}],52:[function(require,module,exports){(function(Buffer){"use strict";var constants=require("./constants");module.exports=function(data,width,height,options){var outHasAlpha=options.colorType===constants.COLORTYPE_COLOR_ALPHA;if(options.inputHasAlpha&&outHasAlpha){return data}if(!options.inputHasAlpha&&!outHasAlpha){return data}var outBpp=outHasAlpha?4:3;var outData=new Buffer(width*height*outBpp);var inBpp=options.inputHasAlpha?4:3;var inIndex=0;var outIndex=0;var bgColor=options.bgColor||{};if(bgColor.red===undefined){bgColor.red=255}if(bgColor.green===undefined){bgColor.green=255}if(bgColor.blue===undefined){bgColor.blue=255}for(var y=0;y<height;y++){for(var x=0;x<width;x++){var red=data[inIndex];var green=data[inIndex+1];var blue=data[inIndex+2];var alpha;if(options.inputHasAlpha){alpha=data[inIndex+3];if(!outHasAlpha){alpha/=255;red=Math.min(Math.max(Math.round((1-alpha)*bgColor.red+alpha*red),0),255);green=Math.min(Math.max(Math.round((1-alpha)*bgColor.green+alpha*green),0),255);blue=Math.min(Math.max(Math.round((1-alpha)*bgColor.blue+alpha*blue),0),255)}}else{alpha=255}outData[outIndex]=red;outData[outIndex+1]=green;outData[outIndex+2]=blue;if(outHasAlpha){outData[outIndex+3]=alpha}inIndex+=inBpp;outIndex+=outBpp}}return outData}}).call(this,require("buffer").Buffer)},{"./constants":54,buffer:7}],53:[function(require,module,exports){(function(process,Buffer){"use strict";var util=require("util");var Stream=require("stream");var ChunkStream=module.exports=function(){Stream.call(this);this._buffers=[];this._buffered=0;this._reads=[];this._paused=false;this._encoding="utf8";this.writable=true};util.inherits(ChunkStream,Stream);ChunkStream.prototype.read=function(length,callback){this._reads.push({length:Math.abs(length),allowLess:length<0,func:callback});process.nextTick(function(){this._process();if(this._paused&&this._reads.length>0){this._paused=false;this.emit("drain")}}.bind(this))};ChunkStream.prototype.write=function(data,encoding){if(!this.writable){this.emit("error",new Error("Stream not writable"));return false}var dataBuffer;if(Buffer.isBuffer(data)){dataBuffer=data}else{dataBuffer=new Buffer(data,encoding||this._encoding)}this._buffers.push(dataBuffer);this._buffered+=dataBuffer.length;this._process();if(this._reads&&this._reads.length===0){this._paused=true}return this.writable&&!this._paused};ChunkStream.prototype.end=function(data,encoding){if(data){this.write(data,encoding)}this.writable=false;if(!this._buffers){return}if(this._buffers.length===0){this._end()}else{this._buffers.push(null);this._process()}};ChunkStream.prototype.destroySoon=ChunkStream.prototype.end;ChunkStream.prototype._end=function(){if(this._reads.length>0){this.emit("error",new Error("There are some read requests waitng on finished stream"))}this.destroy()};ChunkStream.prototype.destroy=function(){if(!this._buffers){return}this.writable=false;this._reads=null;this._buffers=null;this.emit("close")};ChunkStream.prototype._processReadAllowingLess=function(read){this._reads.shift();var smallerBuf=this._buffers[0];if(smallerBuf.length>read.length){this._buffered-=read.length;this._buffers[0]=smallerBuf.slice(read.length);read.func.call(this,smallerBuf.slice(0,read.length))}else{this._buffered-=smallerBuf.length;this._buffers.shift();read.func.call(this,smallerBuf)}};ChunkStream.prototype._processRead=function(read){this._reads.shift();var pos=0;var count=0;var data=new Buffer(read.length);while(pos<read.length){var buf=this._buffers[count++];var len=Math.min(buf.length,read.length-pos);buf.copy(data,pos,0,len);pos+=len;if(len!==buf.length){this._buffers[--count]=buf.slice(len)}}if(count>0){this._buffers.splice(0,count)}this._buffered-=read.length;read.func.call(this,data)};ChunkStream.prototype._process=function(){try{while(this._buffered>0&&this._reads&&this._reads.length>0){var read=this._reads[0];if(read.allowLess){this._processReadAllowingLess(read)}else if(this._buffered>=read.length){this._processRead(read)}else{break}}if(this._buffers&&this._buffers.length>0&&this._buffers[0]===null){this._end()}}catch(ex){this.emit("error",ex)}}}).call(this,require("_process"),require("buffer").Buffer)},{_process:73,buffer:7,stream:82,util:104}],54:[function(require,module,exports){"use strict";module.exports={PNG_SIGNATURE:[137,80,78,71,13,10,26,10],TYPE_IHDR:1229472850,TYPE_IEND:1229278788,TYPE_IDAT:1229209940,TYPE_PLTE:1347179589,TYPE_tRNS:1951551059,TYPE_gAMA:1732332865,COLORTYPE_GRAYSCALE:0,COLORTYPE_PALETTE:1,COLORTYPE_COLOR:2,COLORTYPE_ALPHA:4,COLORTYPE_PALETTE_COLOR:3,COLORTYPE_COLOR_ALPHA:6,COLORTYPE_TO_BPP_MAP:{0:1,2:3,3:1,4:2,6:4},GAMMA_DIVISION:1e5}},{}],55:[function(require,module,exports){"use strict";var crcTable=[];(function(){for(var i=0;i<256;i++){var currentCrc=i;for(var j=0;j<8;j++){if(currentCrc&1){currentCrc=3988292384^currentCrc>>>1}else{currentCrc=currentCrc>>>1}}crcTable[i]=currentCrc}})();var CrcCalculator=module.exports=function(){this._crc=-1};CrcCalculator.prototype.write=function(data){for(var i=0;i<data.length;i++){this._crc=crcTable[(this._crc^data[i])&255]^this._crc>>>8}return true};CrcCalculator.prototype.crc32=function(){return this._crc^-1};CrcCalculator.crc32=function(buf){var crc=-1;for(var i=0;i<buf.length;i++){crc=crcTable[(crc^buf[i])&255]^crc>>>8}return crc^-1}},{}],56:[function(require,module,exports){(function(Buffer){"use strict";var paethPredictor=require("./paeth-predictor");function filterNone(pxData,pxPos,byteWidth,rawData,rawPos){pxData.copy(rawData,rawPos,pxPos,pxPos+byteWidth)}function filterSumNone(pxData,pxPos,byteWidth){var sum=0;var length=pxPos+byteWidth;for(var i=pxPos;i<length;i++){sum+=Math.abs(pxData[i])}return sum}function filterSub(pxData,pxPos,byteWidth,rawData,rawPos,bpp){for(var x=0;x<byteWidth;x++){var left=x>=bpp?pxData[pxPos+x-bpp]:0;var val=pxData[pxPos+x]-left;rawData[rawPos+x]=val}}function filterSumSub(pxData,pxPos,byteWidth,bpp){var sum=0;for(var x=0;x<byteWidth;x++){var left=x>=bpp?pxData[pxPos+x-bpp]:0;var val=pxData[pxPos+x]-left;sum+=Math.abs(val)}return sum}function filterUp(pxData,pxPos,byteWidth,rawData,rawPos){for(var x=0;x<byteWidth;x++){var up=pxPos>0?pxData[pxPos+x-byteWidth]:0;var val=pxData[pxPos+x]-up;rawData[rawPos+x]=val}}function filterSumUp(pxData,pxPos,byteWidth){var sum=0;var length=pxPos+byteWidth;for(var x=pxPos;x<length;x++){var up=pxPos>0?pxData[x-byteWidth]:0;var val=pxData[x]-up;sum+=Math.abs(val)}return sum}function filterAvg(pxData,pxPos,byteWidth,rawData,rawPos,bpp){for(var x=0;x<byteWidth;x++){var left=x>=bpp?pxData[pxPos+x-bpp]:0;var up=pxPos>0?pxData[pxPos+x-byteWidth]:0;var val=pxData[pxPos+x]-(left+up>>1);rawData[rawPos+x]=val}}function filterSumAvg(pxData,pxPos,byteWidth,bpp){var sum=0;for(var x=0;x<byteWidth;x++){var left=x>=bpp?pxData[pxPos+x-bpp]:0;var up=pxPos>0?pxData[pxPos+x-byteWidth]:0;var val=pxData[pxPos+x]-(left+up>>1);sum+=Math.abs(val)}return sum}function filterPaeth(pxData,pxPos,byteWidth,rawData,rawPos,bpp){for(var x=0;x<byteWidth;x++){var left=x>=bpp?pxData[pxPos+x-bpp]:0;var up=pxPos>0?pxData[pxPos+x-byteWidth]:0;var upleft=pxPos>0&&x>=bpp?pxData[pxPos+x-(byteWidth+bpp)]:0;var val=pxData[pxPos+x]-paethPredictor(left,up,upleft);rawData[rawPos+x]=val}}function filterSumPaeth(pxData,pxPos,byteWidth,bpp){var sum=0;for(var x=0;x<byteWidth;x++){var left=x>=bpp?pxData[pxPos+x-bpp]:0;var up=pxPos>0?pxData[pxPos+x-byteWidth]:0;var upleft=pxPos>0&&x>=bpp?pxData[pxPos+x-(byteWidth+bpp)]:0;var val=pxData[pxPos+x]-paethPredictor(left,up,upleft);sum+=Math.abs(val)}return sum}var filters={0:filterNone,1:filterSub,2:filterUp,3:filterAvg,4:filterPaeth};var filterSums={0:filterSumNone,1:filterSumSub,2:filterSumUp,3:filterSumAvg,4:filterSumPaeth};module.exports=function(pxData,width,height,options,bpp){var filterTypes;if(!("filterType"in options)||options.filterType===-1){filterTypes=[0,1,2,3,4]}else if(typeof options.filterType==="number"){filterTypes=[options.filterType]}else{throw new Error("unrecognised filter types")}var byteWidth=width*bpp;var rawPos=0;var pxPos=0;var rawData=new Buffer((byteWidth+1)*height);var sel=filterTypes[0];for(var y=0;y<height;y++){if(filterTypes.length>1){var min=Infinity;for(var i=0;i<filterTypes.length;i++){var sum=filterSums[filterTypes[i]](pxData,pxPos,byteWidth,bpp);if(sum<min){sel=filterTypes[i];min=sum}}}rawData[rawPos]=sel;rawPos++;filters[sel](pxData,pxPos,byteWidth,rawData,rawPos,bpp);rawPos+=byteWidth;pxPos+=byteWidth}return rawData}}).call(this,require("buffer").Buffer)},{"./paeth-predictor":65,buffer:7}],57:[function(require,module,exports){(function(Buffer){"use strict";var util=require("util");var ChunkStream=require("./chunkstream");var Filter=require("./filter-parse");var FilterAsync=module.exports=function(bitmapInfo){ChunkStream.call(this);var buffers=[];var that=this;this._filter=new Filter(bitmapInfo,{read:this.read.bind(this),write:function(buffer){buffers.push(buffer)},complete:function(){that.emit("complete",Buffer.concat(buffers))}});this._filter.start()};util.inherits(FilterAsync,ChunkStream)}).call(this,require("buffer").Buffer)},{"./chunkstream":53,"./filter-parse":59,buffer:7,util:104}],58:[function(require,module,exports){(function(Buffer){"use strict";var SyncReader=require("./sync-reader");var Filter=require("./filter-parse");exports.process=function(inBuffer,bitmapInfo){var outBuffers=[];var reader=new SyncReader(inBuffer);var filter=new Filter(bitmapInfo,{read:reader.read.bind(reader),write:function(bufferPart){outBuffers.push(bufferPart)},complete:function(){}});filter.start();reader.process();return Buffer.concat(outBuffers)}}).call(this,require("buffer").Buffer)},{"./filter-parse":59,"./sync-reader":71,buffer:7}],59:[function(require,module,exports){(function(Buffer){"use strict";var interlaceUtils=require("./interlace");var paethPredictor=require("./paeth-predictor");function getByteWidth(width,bpp,depth){var byteWidth=width*bpp;if(depth!==8){byteWidth=Math.ceil(byteWidth/(8/depth))}return byteWidth}var Filter=module.exports=function(bitmapInfo,dependencies){var width=bitmapInfo.width;var height=bitmapInfo.height;var interlace=bitmapInfo.interlace;var bpp=bitmapInfo.bpp;var depth=bitmapInfo.depth;this.read=dependencies.read;this.write=dependencies.write;this.complete=dependencies.complete;this._imageIndex=0;this._images=[];if(interlace){var passes=interlaceUtils.getImagePasses(width,height);for(var i=0;i<passes.length;i++){this._images.push({byteWidth:getByteWidth(passes[i].width,bpp,depth),height:passes[i].height,lineIndex:0})}}else{this._images.push({byteWidth:getByteWidth(width,bpp,depth),height:height,lineIndex:0})}if(depth===8){this._xComparison=bpp}else if(depth===16){this._xComparison=bpp*2}else{this._xComparison=1}};Filter.prototype.start=function(){this.read(this._images[this._imageIndex].byteWidth+1,this._reverseFilterLine.bind(this))};Filter.prototype._unFilterType1=function(rawData,unfilteredLine,byteWidth){var xComparison=this._xComparison;var xBiggerThan=xComparison-1;for(var x=0;x<byteWidth;x++){var rawByte=rawData[1+x];var f1Left=x>xBiggerThan?unfilteredLine[x-xComparison]:0;unfilteredLine[x]=rawByte+f1Left}};Filter.prototype._unFilterType2=function(rawData,unfilteredLine,byteWidth){var lastLine=this._lastLine;for(var x=0;x<byteWidth;x++){var rawByte=rawData[1+x];var f2Up=lastLine?lastLine[x]:0;unfilteredLine[x]=rawByte+f2Up}};Filter.prototype._unFilterType3=function(rawData,unfilteredLine,byteWidth){var xComparison=this._xComparison;var xBiggerThan=xComparison-1;var lastLine=this._lastLine;for(var x=0;x<byteWidth;x++){var rawByte=rawData[1+x];var f3Up=lastLine?lastLine[x]:0;var f3Left=x>xBiggerThan?unfilteredLine[x-xComparison]:0;var f3Add=Math.floor((f3Left+f3Up)/2);unfilteredLine[x]=rawByte+f3Add}};Filter.prototype._unFilterType4=function(rawData,unfilteredLine,byteWidth){var xComparison=this._xComparison;var xBiggerThan=xComparison-1;var lastLine=this._lastLine;for(var x=0;x<byteWidth;x++){var rawByte=rawData[1+x];var f4Up=lastLine?lastLine[x]:0;var f4Left=x>xBiggerThan?unfilteredLine[x-xComparison]:0;var f4UpLeft=x>xBiggerThan&&lastLine?lastLine[x-xComparison]:0;var f4Add=paethPredictor(f4Left,f4Up,f4UpLeft);unfilteredLine[x]=rawByte+f4Add}};Filter.prototype._reverseFilterLine=function(rawData){var filter=rawData[0];var unfilteredLine;var currentImage=this._images[this._imageIndex];var byteWidth=currentImage.byteWidth;if(filter===0){unfilteredLine=rawData.slice(1,byteWidth+1)}else{unfilteredLine=new Buffer(byteWidth);switch(filter){case 1:this._unFilterType1(rawData,unfilteredLine,byteWidth);break;case 2:this._unFilterType2(rawData,unfilteredLine,byteWidth);break;case 3:this._unFilterType3(rawData,unfilteredLine,byteWidth);break;case 4:this._unFilterType4(rawData,unfilteredLine,byteWidth);break;default:throw new Error("Unrecognised filter type - "+filter)}}this.write(unfilteredLine);currentImage.lineIndex++;if(currentImage.lineIndex>=currentImage.height){this._lastLine=null;this._imageIndex++;currentImage=this._images[this._imageIndex]}else{this._lastLine=unfilteredLine}if(currentImage){this.read(currentImage.byteWidth+1,this._reverseFilterLine.bind(this))}else{this._lastLine=null;this.complete()}}}).call(this,require("buffer").Buffer)},{"./interlace":61,"./paeth-predictor":65,buffer:7}],60:[function(require,module,exports){(function(Buffer){"use strict";function dePalette(indata,outdata,width,height,palette){var pxPos=0;for(var y=0;y<height;y++){for(var x=0;x<width;x++){var color=palette[indata[pxPos]];if(!color){throw new Error("index "+indata[pxPos]+" not in palette")}for(var i=0;i<4;i++){outdata[pxPos+i]=color[i]}pxPos+=4}}}function replaceTransparentColor(indata,outdata,width,height,transColor){var pxPos=0;for(var y=0;y<height;y++){for(var x=0;x<width;x++){var makeTrans=false;if(transColor.length===1){if(transColor[0]===indata[pxPos]){makeTrans=true}}else if(transColor[0]===indata[pxPos]&&transColor[1]===indata[pxPos+1]&&transColor[2]===indata[pxPos+2]){makeTrans=true}if(makeTrans){for(var i=0;i<4;i++){outdata[pxPos+i]=0}}pxPos+=4}}}function scaleDepth(indata,outdata,width,height,depth){var maxOutSample=255;var maxInSample=Math.pow(2,depth)-1;var pxPos=0;for(var y=0;y<height;y++){for(var x=0;x<width;x++){for(var i=0;i<4;i++){outdata[pxPos+i]=Math.floor(indata[pxPos+i]*maxOutSample/maxInSample+.5)}pxPos+=4}}}module.exports=function(indata,imageData){var depth=imageData.depth;var width=imageData.width;var height=imageData.height;var colorType=imageData.colorType;var transColor=imageData.transColor;var palette=imageData.palette;var outdata=indata;if(colorType===3){dePalette(indata,outdata,width,height,palette)}else{if(transColor){replaceTransparentColor(indata,outdata,width,height,transColor)}if(depth!==8){if(depth===16){outdata=new Buffer(width*height*4)}scaleDepth(indata,outdata,width,height,depth)}}return outdata}}).call(this,require("buffer").Buffer)},{buffer:7}],61:[function(require,module,exports){"use strict";var imagePasses=[{x:[0],y:[0]},{x:[4],y:[0]},{x:[0,4],y:[4]},{x:[2,6],y:[0,4]},{x:[0,2,4,6],y:[2,6]},{x:[1,3,5,7],y:[0,2,4,6]},{x:[0,1,2,3,4,5,6,7],y:[1,3,5,7]}];exports.getImagePasses=function(width,height){var images=[];var xLeftOver=width%8;var yLeftOver=height%8;var xRepeats=(width-xLeftOver)/8;var yRepeats=(height-yLeftOver)/8;for(var i=0;i<imagePasses.length;i++){var pass=imagePasses[i];var passWidth=xRepeats*pass.x.length;var passHeight=yRepeats*pass.y.length;for(var j=0;j<pass.x.length;j++){if(pass.x[j]<xLeftOver){passWidth++}else{break}}for(j=0;j<pass.y.length;j++){if(pass.y[j]<yLeftOver){passHeight++}else{break}}if(passWidth>0&&passHeight>0){images.push({width:passWidth,height:passHeight,index:i})}}return images};exports.getInterlaceIterator=function(width){return function(x,y,pass){var outerXLeftOver=x%imagePasses[pass].x.length;var outerX=(x-outerXLeftOver)/imagePasses[pass].x.length*8+imagePasses[pass].x[outerXLeftOver];var outerYLeftOver=y%imagePasses[pass].y.length;var outerY=(y-outerYLeftOver)/imagePasses[pass].y.length*8+imagePasses[pass].y[outerYLeftOver];return outerX*4+outerY*width*4}}},{}],62:[function(require,module,exports){(function(Buffer){"use strict";var util=require("util");var Stream=require("stream");var constants=require("./constants");var Packer=require("./packer");var PackerAsync=module.exports=function(opt){Stream.call(this);var options=opt||{};this._packer=new Packer(options);this._deflate=this._packer.createDeflate();this.readable=true};util.inherits(PackerAsync,Stream);PackerAsync.prototype.pack=function(data,width,height,gamma){this.emit("data",new Buffer(constants.PNG_SIGNATURE));this.emit("data",this._packer.packIHDR(width,height));if(gamma){this.emit("data",this._packer.packGAMA(gamma))}var filteredData=this._packer.filterData(data,width,height);this._deflate.on("error",this.emit.bind(this,"error"));this._deflate.on("data",function(compressedData){this.emit("data",this._packer.packIDAT(compressedData))}.bind(this));this._deflate.on("end",function(){this.emit("data",this._packer.packIEND());this.emit("end")}.bind(this));this._deflate.end(filteredData)}}).call(this,require("buffer").Buffer)},{"./constants":54,"./packer":64,buffer:7,stream:82,util:104}],63:[function(require,module,exports){(function(Buffer){"use strict";var hasSyncZlib=true;var zlib=require("zlib");if(!zlib.deflateSync){hasSyncZlib=false}var constants=require("./constants");var Packer=require("./packer");module.exports=function(metaData,opt){if(!hasSyncZlib){throw new Error("To use the sync capability of this library in old node versions, please also add a dependency on node-zlb-backport")}var options=opt||{};var packer=new Packer(options);var chunks=[];chunks.push(new Buffer(constants.PNG_SIGNATURE));chunks.push(packer.packIHDR(metaData.width,metaData.height));if(metaData.gamma){chunks.push(packer.packGAMA(metaData.gamma))}var filteredData=packer.filterData(metaData.data,metaData.width,metaData.height);var compressedData=zlib.deflateSync(filteredData,packer.getDeflateOptions());filteredData=null;if(!compressedData||!compressedData.length){throw new Error("bad png - invalid compressed data response")}chunks.push(packer.packIDAT(compressedData));chunks.push(packer.packIEND());return Buffer.concat(chunks)}}).call(this,require("buffer").Buffer)},{"./constants":54,"./packer":64,buffer:7,zlib:6}],64:[function(require,module,exports){(function(Buffer){"use strict";var constants=require("./constants");var CrcStream=require("./crc");var bitPacker=require("./bitpacker");var filter=require("./filter-pack");var zlib=require("zlib");var Packer=module.exports=function(options){this._options=options;options.deflateChunkSize=options.deflateChunkSize||32*1024;options.deflateLevel=options.deflateLevel!=null?options.deflateLevel:9;options.deflateStrategy=options.deflateStrategy!=null?options.deflateStrategy:3;options.inputHasAlpha=options.inputHasAlpha!=null?options.inputHasAlpha:true;options.deflateFactory=options.deflateFactory||zlib.createDeflate;options.bitDepth=options.bitDepth||8;options.colorType=typeof options.colorType==="number"?options.colorType:constants.COLORTYPE_COLOR_ALPHA;if(options.colorType!==constants.COLORTYPE_COLOR&&options.colorType!==constants.COLORTYPE_COLOR_ALPHA){throw new Error("option color type:"+options.colorType+" is not supported at present")}if(options.bitDepth!==8){throw new Error("option bit depth:"+options.bitDepth+" is not supported at present")}};Packer.prototype.getDeflateOptions=function(){return{chunkSize:this._options.deflateChunkSize,level:this._options.deflateLevel,strategy:this._options.deflateStrategy}};Packer.prototype.createDeflate=function(){return this._options.deflateFactory(this.getDeflateOptions())};Packer.prototype.filterData=function(data,width,height){var packedData=bitPacker(data,width,height,this._options);var bpp=constants.COLORTYPE_TO_BPP_MAP[this._options.colorType];var filteredData=filter(packedData,width,height,this._options,bpp);return filteredData};Packer.prototype._packChunk=function(type,data){var len=data?data.length:0;var buf=new Buffer(len+12);buf.writeUInt32BE(len,0);buf.writeUInt32BE(type,4);if(data){data.copy(buf,8)}buf.writeInt32BE(CrcStream.crc32(buf.slice(4,buf.length-4)),buf.length-4);return buf};Packer.prototype.packGAMA=function(gamma){var buf=new Buffer(4);buf.writeUInt32BE(Math.floor(gamma*constants.GAMMA_DIVISION),0);return this._packChunk(constants.TYPE_gAMA,buf)};Packer.prototype.packIHDR=function(width,height){var buf=new Buffer(13);buf.writeUInt32BE(width,0);buf.writeUInt32BE(height,4);buf[8]=this._options.bitDepth;buf[9]=this._options.colorType;buf[10]=0;buf[11]=0;buf[12]=0;return this._packChunk(constants.TYPE_IHDR,buf)};Packer.prototype.packIDAT=function(data){return this._packChunk(constants.TYPE_IDAT,data)};Packer.prototype.packIEND=function(){return this._packChunk(constants.TYPE_IEND,null)}}).call(this,require("buffer").Buffer)},{"./bitpacker":52,"./constants":54,"./crc":55,"./filter-pack":56,buffer:7,zlib:6}],65:[function(require,module,exports){"use strict";module.exports=function paethPredictor(left,above,upLeft){var paeth=left+above-upLeft;var pLeft=Math.abs(paeth-left);var pAbove=Math.abs(paeth-above);var pUpLeft=Math.abs(paeth-upLeft);if(pLeft<=pAbove&&pLeft<=pUpLeft){return left}if(pAbove<=pUpLeft){return above}return upLeft}},{}],66:[function(require,module,exports){"use strict";var util=require("util");var zlib=require("zlib");var ChunkStream=require("./chunkstream");var FilterAsync=require("./filter-parse-async");var Parser=require("./parser");var bitmapper=require("./bitmapper");var formatNormaliser=require("./format-normaliser");var ParserAsync=module.exports=function(options){ChunkStream.call(this);this._parser=new Parser(options,{read:this.read.bind(this),error:this._handleError.bind(this),metadata:this._handleMetaData.bind(this),gamma:this.emit.bind(this,"gamma"),palette:this._handlePalette.bind(this),transColor:this._handleTransColor.bind(this),finished:this._finished.bind(this),inflateData:this._inflateData.bind(this)});this._options=options;this.writable=true;this._parser.start()};util.inherits(ParserAsync,ChunkStream);ParserAsync.prototype._handleError=function(err){this.emit("error",err);this.writable=false;this.destroy();if(this._inflate&&this._inflate.destroy){this._inflate.destroy()}this.errord=true};ParserAsync.prototype._inflateData=function(data){if(!this._inflate){this._inflate=zlib.createInflate();this._inflate.on("error",this.emit.bind(this,"error"));this._filter.on("complete",this._complete.bind(this));this._inflate.pipe(this._filter)}this._inflate.write(data)};ParserAsync.prototype._handleMetaData=function(metaData){this.emit("metadata",metaData);this._bitmapInfo=Object.create(metaData);this._filter=new FilterAsync(this._bitmapInfo)};ParserAsync.prototype._handleTransColor=function(transColor){this._bitmapInfo.transColor=transColor};ParserAsync.prototype._handlePalette=function(palette){this._bitmapInfo.palette=palette};ParserAsync.prototype._finished=function(){if(this.errord){return}if(!this._inflate){this.emit("error","No Inflate block")}else{this._inflate.end()}this.destroySoon()};ParserAsync.prototype._complete=function(filteredData){if(this.errord){return}try{var bitmapData=bitmapper.dataToBitMap(filteredData,this._bitmapInfo);var normalisedBitmapData=formatNormaliser(bitmapData,this._bitmapInfo);bitmapData=null}catch(ex){this._handleError(ex);return}this.emit("parsed",normalisedBitmapData)}},{"./bitmapper":51,"./chunkstream":53,"./filter-parse-async":57,"./format-normaliser":60,"./parser":68,util:104,zlib:6}],67:[function(require,module,exports){(function(Buffer){"use strict";var hasSyncZlib=true;var zlib=require("zlib");if(!zlib.deflateSync){hasSyncZlib=false}var SyncReader=require("./sync-reader");var FilterSync=require("./filter-parse-sync");var Parser=require("./parser");var bitmapper=require("./bitmapper");var formatNormaliser=require("./format-normaliser");module.exports=function(buffer,options){if(!hasSyncZlib){throw new Error("To use the sync capability of this library in old node versions, please also add a dependency on node-zlb-backport")}var err;function handleError(_err_){err=_err_}var metaData;function handleMetaData(_metaData_){metaData=_metaData_}function handleTransColor(transColor){metaData.transColor=transColor}function handlePalette(palette){metaData.palette=palette}var gamma;function handleGamma(_gamma_){gamma=_gamma_}var inflateDataList=[];function handleInflateData(inflatedData){inflateDataList.push(inflatedData)}var reader=new SyncReader(buffer);var parser=new Parser(options,{read:reader.read.bind(reader),error:handleError,metadata:handleMetaData,gamma:handleGamma,palette:handlePalette,transColor:handleTransColor,inflateData:handleInflateData});parser.start();reader.process();if(err){throw err}var inflateData=Buffer.concat(inflateDataList);inflateDataList.length=0;var inflatedData=zlib.inflateSync(inflateData);inflateData=null;if(!inflatedData||!inflatedData.length){throw new Error("bad png - invalid inflate data response")}var unfilteredData=FilterSync.process(inflatedData,metaData);inflateData=null;var bitmapData=bitmapper.dataToBitMap(unfilteredData,metaData);unfilteredData=null;var normalisedBitmapData=formatNormaliser(bitmapData,metaData);metaData.data=normalisedBitmapData;metaData.gamma=gamma||0;return metaData}}).call(this,require("buffer").Buffer)},{"./bitmapper":51,"./filter-parse-sync":58,"./format-normaliser":60,"./parser":68,"./sync-reader":71,buffer:7,zlib:6}],68:[function(require,module,exports){(function(Buffer){"use strict";var constants=require("./constants");var CrcCalculator=require("./crc");var Parser=module.exports=function(options,dependencies){this._options=options;options.checkCRC=options.checkCRC!==false;this._hasIHDR=false;this._hasIEND=false;this._palette=[];this._colorType=0;this._chunks={};this._chunks[constants.TYPE_IHDR]=this._handleIHDR.bind(this);this._chunks[constants.TYPE_IEND]=this._handleIEND.bind(this);this._chunks[constants.TYPE_IDAT]=this._handleIDAT.bind(this);this._chunks[constants.TYPE_PLTE]=this._handlePLTE.bind(this);this._chunks[constants.TYPE_tRNS]=this._handleTRNS.bind(this);this._chunks[constants.TYPE_gAMA]=this._handleGAMA.bind(this);this.read=dependencies.read;this.error=dependencies.error;this.metadata=dependencies.metadata;this.gamma=dependencies.gamma;this.transColor=dependencies.transColor;this.palette=dependencies.palette;this.parsed=dependencies.parsed;this.inflateData=dependencies.inflateData;this.inflateData=dependencies.inflateData;this.finished=dependencies.finished};Parser.prototype.start=function(){this.read(constants.PNG_SIGNATURE.length,this._parseSignature.bind(this))};Parser.prototype._parseSignature=function(data){var signature=constants.PNG_SIGNATURE;for(var i=0;i<signature.length;i++){if(data[i]!==signature[i]){this.error(new Error("Invalid file signature"));return}}this.read(8,this._parseChunkBegin.bind(this))};Parser.prototype._parseChunkBegin=function(data){var length=data.readUInt32BE(0);var type=data.readUInt32BE(4);var name="";for(var i=4;i<8;i++){name+=String.fromCharCode(data[i])}var ancillary=Boolean(data[4]&32);if(!this._hasIHDR&&type!==constants.TYPE_IHDR){this.error(new Error("Expected IHDR on beggining"));return}this._crc=new CrcCalculator;this._crc.write(new Buffer(name));if(this._chunks[type]){return this._chunks[type](length)}if(!ancillary){this.error(new Error("Unsupported critical chunk type "+name));return}this.read(length+4,this._skipChunk.bind(this))};Parser.prototype._skipChunk=function(){this.read(8,this._parseChunkBegin.bind(this))};Parser.prototype._handleChunkEnd=function(){this.read(4,this._parseChunkEnd.bind(this))};Parser.prototype._parseChunkEnd=function(data){var fileCrc=data.readInt32BE(0);var calcCrc=this._crc.crc32();if(this._options.checkCRC&&calcCrc!==fileCrc){this.error(new Error("Crc error - "+fileCrc+" - "+calcCrc));return}if(!this._hasIEND){this.read(8,this._parseChunkBegin.bind(this))}};Parser.prototype._handleIHDR=function(length){this.read(length,this._parseIHDR.bind(this))};Parser.prototype._parseIHDR=function(data){this._crc.write(data);var width=data.readUInt32BE(0);var height=data.readUInt32BE(4);var depth=data[8];var colorType=data[9];var compr=data[10];var filter=data[11];var interlace=data[12];if(depth!==8&&depth!==4&&depth!==2&&depth!==1&&depth!==16){this.error(new Error("Unsupported bit depth "+depth));return}if(!(colorType in constants.COLORTYPE_TO_BPP_MAP)){this.error(new Error("Unsupported color type"));return}if(compr!==0){this.error(new Error("Unsupported compression method"));return}if(filter!==0){this.error(new Error("Unsupported filter method"));return}if(interlace!==0&&interlace!==1){this.error(new Error("Unsupported interlace method"));return}this._colorType=colorType;var bpp=constants.COLORTYPE_TO_BPP_MAP[this._colorType];this._hasIHDR=true;this.metadata({width:width,height:height,depth:depth,interlace:Boolean(interlace),palette:Boolean(colorType&constants.COLORTYPE_PALETTE),color:Boolean(colorType&constants.COLORTYPE_COLOR),alpha:Boolean(colorType&constants.COLORTYPE_ALPHA),bpp:bpp,colorType:colorType});this._handleChunkEnd()};Parser.prototype._handlePLTE=function(length){this.read(length,this._parsePLTE.bind(this))};Parser.prototype._parsePLTE=function(data){this._crc.write(data);var entries=Math.floor(data.length/3);for(var i=0;i<entries;i++){this._palette.push([data[i*3],data[i*3+1],data[i*3+2],255])}this.palette(this._palette);this._handleChunkEnd()};Parser.prototype._handleTRNS=function(length){this.read(length,this._parseTRNS.bind(this))};Parser.prototype._parseTRNS=function(data){this._crc.write(data);if(this._colorType===constants.COLORTYPE_PALETTE_COLOR){if(this._palette.length===0){this.error(new Error("Transparency chunk must be after palette"));return}if(data.length>this._palette.length){this.error(new Error("More transparent colors than palette size"));return}for(var i=0;i<data.length;i++){this._palette[i][3]=data[i]}this.palette(this._palette)}if(this._colorType===constants.COLORTYPE_GRAYSCALE){this.transColor([data.readUInt16BE(0)])}if(this._colorType===constants.COLORTYPE_COLOR){this.transColor([data.readUInt16BE(0),data.readUInt16BE(2),data.readUInt16BE(4)])}this._handleChunkEnd()};Parser.prototype._handleGAMA=function(length){this.read(length,this._parseGAMA.bind(this))};Parser.prototype._parseGAMA=function(data){this._crc.write(data);this.gamma(data.readUInt32BE(0)/constants.GAMMA_DIVISION);this._handleChunkEnd()};Parser.prototype._handleIDAT=function(length){this.read(-length,this._parseIDAT.bind(this,length))};Parser.prototype._parseIDAT=function(length,data){this._crc.write(data);if(this._colorType===constants.COLORTYPE_PALETTE_COLOR&&this._palette.length===0){throw new Error("Expected palette not found")}this.inflateData(data);var leftOverLength=length-data.length;if(leftOverLength>0){this._handleIDAT(leftOverLength)}else{this._handleChunkEnd()}};Parser.prototype._handleIEND=function(length){this.read(length,this._parseIEND.bind(this))};Parser.prototype._parseIEND=function(data){this._crc.write(data);this._hasIEND=true;this._handleChunkEnd();if(this.finished){this.finished()}}}).call(this,require("buffer").Buffer)},{"./constants":54,"./crc":55,buffer:7}],69:[function(require,module,exports){"use strict";var parse=require("./parser-sync");var pack=require("./packer-sync");exports.read=function(buffer,options){return parse(buffer,options||{})};exports.write=function(png){return pack(png)}},{"./packer-sync":63,"./parser-sync":67}],70:[function(require,module,exports){(function(process,Buffer){"use strict";var util=require("util");var Stream=require("stream");var Parser=require("./parser-async");var Packer=require("./packer-async");var PNGSync=require("./png-sync");var PNG=exports.PNG=function(options){Stream.call(this);options=options||{};this.width=options.width||0;this.height=options.height||0;this.data=this.width>0&&this.height>0?new Buffer(4*this.width*this.height):null;if(options.fill&&this.data){this.data.fill(0)}this.gamma=0;this.readable=this.writable=true;this._parser=new Parser(options);this._parser.on("error",this.emit.bind(this,"error"));this._parser.on("close",this._handleClose.bind(this));this._parser.on("metadata",this._metadata.bind(this));this._parser.on("gamma",this._gamma.bind(this));this._parser.on("parsed",function(data){this.data=data;this.emit("parsed",data)}.bind(this));this._packer=new Packer(options);this._packer.on("data",this.emit.bind(this,"data"));this._packer.on("end",this.emit.bind(this,"end"));this._parser.on("close",this._handleClose.bind(this));this._packer.on("error",this.emit.bind(this,"error"))};util.inherits(PNG,Stream);PNG.sync=PNGSync;PNG.prototype.pack=function(){if(!this.data||!this.data.length){this.emit("error","No data provided");return this}process.nextTick(function(){this._packer.pack(this.data,this.width,this.height,this.gamma)}.bind(this));return this};PNG.prototype.parse=function(data,callback){if(callback){var onParsed,onError;onParsed=function(parsedData){this.removeListener("error",onError);this.data=parsedData;callback(null,this)}.bind(this);onError=function(err){this.removeListener("parsed",onParsed);callback(err,null)}.bind(this);this.once("parsed",onParsed);this.once("error",onError)}this.end(data);return this};PNG.prototype.write=function(data){this._parser.write(data);return true};PNG.prototype.end=function(data){this._parser.end(data)};PNG.prototype._metadata=function(metadata){this.width=metadata.width;this.height=metadata.height;this.emit("metadata",metadata)};PNG.prototype._gamma=function(gamma){this.gamma=gamma};PNG.prototype._handleClose=function(){if(!this._parser.writable&&!this._packer.readable){this.emit("close")}};PNG.bitblt=function(src,dst,srcX,srcY,width,height,deltaX,deltaY){if(srcX>src.width||srcY>src.height||srcX+width>src.width||srcY+height>src.height){throw new Error("bitblt reading outside image")}if(deltaX>dst.width||deltaY>dst.height||deltaX+width>dst.width||deltaY+height>dst.height){throw new Error("bitblt writing outside image")}for(var y=0;y<height;y++){src.data.copy(dst.data,(deltaY+y)*dst.width+deltaX<<2,(srcY+y)*src.width+srcX<<2,(srcY+y)*src.width+srcX+width<<2)}};PNG.prototype.bitblt=function(dst,srcX,srcY,width,height,deltaX,deltaY){PNG.bitblt(this,dst,srcX,srcY,width,height,deltaX,deltaY);return this};PNG.adjustGamma=function(src){if(src.gamma){for(var y=0;y<src.height;y++){for(var x=0;x<src.width;x++){var idx=src.width*y+x<<2;for(var i=0;i<3;i++){var sample=src.data[idx+i]/255;sample=Math.pow(sample,1/2.2/src.gamma);src.data[idx+i]=Math.round(sample*255)}}}src.gamma=0}};PNG.prototype.adjustGamma=function(){PNG.adjustGamma(this)}}).call(this,require("_process"),require("buffer").Buffer)},{"./packer-async":62,"./parser-async":66,"./png-sync":69,_process:73,buffer:7,stream:82,util:104}],71:[function(require,module,exports){"use strict";var SyncReader=module.exports=function(buffer){this._buffer=buffer;this._reads=[]};SyncReader.prototype.read=function(length,callback){this._reads.push({length:Math.abs(length),allowLess:length<0,func:callback})};SyncReader.prototype.process=function(){while(this._reads.length>0&&this._buffer.length){var read=this._reads[0];if(this._buffer.length&&(this._buffer.length>=read.length||read.allowLess)){this._reads.shift();var buf=this._buffer;this._buffer=buf.slice(read.length);read.func.call(this,buf.slice(0,read.length))}else{break}}if(this._reads.length>0){return new Error("There are some read requests waitng on finished stream")}if(this._buffer.length>0){return new Error("unrecognised content at end of stream")}}},{}],72:[function(require,module,exports){(function(process){"use strict";if(!process.version||process.version.indexOf("v0.")===0||process.version.indexOf("v1.")===0&&process.version.indexOf("v1.8.")!==0){module.exports=nextTick}else{module.exports=process.nextTick}function nextTick(fn,arg1,arg2,arg3){if(typeof fn!=="function"){throw new TypeError('"callback" argument must be a function')}var len=arguments.length;var args,i;switch(len){case 0:case 1:return process.nextTick(fn);case 2:return process.nextTick(function afterTickOne(){fn.call(null,arg1)});case 3:return process.nextTick(function afterTickTwo(){fn.call(null,arg1,arg2)});case 4:return process.nextTick(function afterTickThree(){fn.call(null,arg1,arg2,arg3)});default:args=new Array(len-1);i=0;while(i<args.length){args[i++]=arguments[i]}return process.nextTick(function afterTick(){fn.apply(null,args)})}}}).call(this,require("_process"))},{_process:73}],73:[function(require,module,exports){var process=module.exports={};var cachedSetTimeout;var cachedClearTimeout;function defaultSetTimout(){throw new Error("setTimeout has not been defined")}function defaultClearTimeout(){throw new Error("clearTimeout has not been defined")}(function(){try{if(typeof setTimeout==="function"){cachedSetTimeout=setTimeout}else{cachedSetTimeout=defaultSetTimout}}catch(e){cachedSetTimeout=defaultSetTimout}try{if(typeof clearTimeout==="function"){cachedClearTimeout=clearTimeout}else{cachedClearTimeout=defaultClearTimeout}}catch(e){cachedClearTimeout=defaultClearTimeout}})();function runTimeout(fun){if(cachedSetTimeout===setTimeout){return setTimeout(fun,0)}if((cachedSetTimeout===defaultSetTimout||!cachedSetTimeout)&&setTimeout){cachedSetTimeout=setTimeout;return setTimeout(fun,0)}try{return cachedSetTimeout(fun,0)}catch(e){try{return cachedSetTimeout.call(null,fun,0)}catch(e){return cachedSetTimeout.call(this,fun,0)}}}function runClearTimeout(marker){if(cachedClearTimeout===clearTimeout){return clearTimeout(marker)}if((cachedClearTimeout===defaultClearTimeout||!cachedClearTimeout)&&clearTimeout){cachedClearTimeout=clearTimeout;return clearTimeout(marker)}try{return cachedClearTimeout(marker)}catch(e){try{return cachedClearTimeout.call(null,marker)}catch(e){return cachedClearTimeout.call(this,marker)}}}var queue=[];var draining=false;var currentQueue;var queueIndex=-1;function cleanUpNextTick(){if(!draining||!currentQueue){return}draining=false;if(currentQueue.length){queue=currentQueue.concat(queue)}else{queueIndex=-1}if(queue.length){drainQueue()}}function drainQueue(){if(draining){return}var timeout=runTimeout(cleanUpNextTick);draining=true;var len=queue.length;while(len){currentQueue=queue;queue=[];while(++queueIndex<len){if(currentQueue){currentQueue[queueIndex].run()}}queueIndex=-1;len=queue.length}currentQueue=null;draining=false;runClearTimeout(timeout)}process.nextTick=function(fun){var args=new Array(arguments.length-1);if(arguments.length>1){for(var i=1;i<arguments.length;i++){args[i-1]=arguments[i]}}queue.push(new Item(fun,args));if(queue.length===1&&!draining){runTimeout(drainQueue)}};function Item(fun,array){this.fun=fun;this.array=array}Item.prototype.run=function(){this.fun.apply(null,this.array)};process.title="browser";process.browser=true;process.env={};process.argv=[];process.version="";process.versions={};function noop(){}process.on=noop;process.addListener=noop;process.once=noop;process.off=noop;process.removeListener=noop;process.removeAllListeners=noop;process.emit=noop;process.prependListener=noop;process.prependOnceListener=noop;process.listeners=function(name){return[]};process.binding=function(name){throw new Error("process.binding is not supported")};process.cwd=function(){return"/"};process.chdir=function(dir){throw new Error("process.chdir is not supported")};process.umask=function(){return 0}},{}],74:[function(require,module,exports){arguments[4][19][0].apply(exports,arguments)},{"./_stream_readable":76,"./_stream_writable":78,_process:73,"core-util-is":9,dup:19,inherits:26}],75:[function(require,module,exports){arguments[4][20][0].apply(exports,arguments)},{"./_stream_transform":77,"core-util-is":9,dup:20,inherits:26}],76:[function(require,module,exports){(function(process){module.exports=Readable;var isArray=require("isarray");var Buffer=require("buffer").Buffer;Readable.ReadableState=ReadableState;var EE=require("events").EventEmitter;if(!EE.listenerCount)EE.listenerCount=function(emitter,type){return emitter.listeners(type).length};var Stream=require("stream");var util=require("core-util-is");util.inherits=require("inherits");var StringDecoder;util.inherits(Readable,Stream);function ReadableState(options,stream){options=options||{};var hwm=options.highWaterMark;this.highWaterMark=hwm||hwm===0?hwm:16*1024;this.highWaterMark=~~this.highWaterMark;this.buffer=[];this.length=0;this.pipes=null;this.pipesCount=0;this.flowing=false;this.ended=false;this.endEmitted=false;this.reading=false;this.calledRead=false;this.sync=true;this.needReadable=false;this.emittedReadable=false;this.readableListening=false;this.objectMode=!!options.objectMode;this.defaultEncoding=options.defaultEncoding||"utf8";this.ranOut=false;this.awaitDrain=0;this.readingMore=false;this.decoder=null;this.encoding=null;if(options.encoding){if(!StringDecoder)StringDecoder=require("string_decoder/").StringDecoder;this.decoder=new StringDecoder(options.encoding);this.encoding=options.encoding}}function Readable(options){if(!(this instanceof Readable))return new Readable(options);this._readableState=new ReadableState(options,this);this.readable=true;Stream.call(this)}Readable.prototype.push=function(chunk,encoding){var state=this._readableState;if(typeof chunk==="string"&&!state.objectMode){encoding=encoding||state.defaultEncoding;if(encoding!==state.encoding){chunk=new Buffer(chunk,encoding);encoding=""}}return readableAddChunk(this,state,chunk,encoding,false)};Readable.prototype.unshift=function(chunk){var state=this._readableState;return readableAddChunk(this,state,chunk,"",true)};function readableAddChunk(stream,state,chunk,encoding,addToFront){var er=chunkInvalid(state,chunk);if(er){stream.emit("error",er)}else if(chunk===null||chunk===undefined){state.reading=false;if(!state.ended)onEofChunk(stream,state)}else if(state.objectMode||chunk&&chunk.length>0){if(state.ended&&!addToFront){var e=new Error("stream.push() after EOF");stream.emit("error",e)}else if(state.endEmitted&&addToFront){var e=new Error("stream.unshift() after end event");stream.emit("error",e)}else{if(state.decoder&&!addToFront&&!encoding)chunk=state.decoder.write(chunk);state.length+=state.objectMode?1:chunk.length;if(addToFront){state.buffer.unshift(chunk)}else{state.reading=false;state.buffer.push(chunk)}if(state.needReadable)emitReadable(stream);maybeReadMore(stream,state)}}else if(!addToFront){state.reading=false}return needMoreData(state)}function needMoreData(state){return!state.ended&&(state.needReadable||state.length<state.highWaterMark||state.length===0)}Readable.prototype.setEncoding=function(enc){if(!StringDecoder)StringDecoder=require("string_decoder/").StringDecoder;this._readableState.decoder=new StringDecoder(enc);this._readableState.encoding=enc};var MAX_HWM=8388608;function roundUpToNextPowerOf2(n){if(n>=MAX_HWM){n=MAX_HWM}else{n--;for(var p=1;p<32;p<<=1)n|=n>>p;n++}return n}function howMuchToRead(n,state){if(state.length===0&&state.ended)return 0;if(state.objectMode)return n===0?0:1;if(n===null||isNaN(n)){if(state.flowing&&state.buffer.length)return state.buffer[0].length;else return state.length}if(n<=0)return 0;if(n>state.highWaterMark)state.highWaterMark=roundUpToNextPowerOf2(n);if(n>state.length){if(!state.ended){state.needReadable=true;return 0}else return state.length}return n}Readable.prototype.read=function(n){var state=this._readableState;state.calledRead=true;var nOrig=n;var ret;if(typeof n!=="number"||n>0)state.emittedReadable=false;if(n===0&&state.needReadable&&(state.length>=state.highWaterMark||state.ended)){emitReadable(this);return null}n=howMuchToRead(n,state);if(n===0&&state.ended){ret=null;if(state.length>0&&state.decoder){ret=fromList(n,state);state.length-=ret.length}if(state.length===0)endReadable(this);return ret}var doRead=state.needReadable;if(state.length-n<=state.highWaterMark)doRead=true;if(state.ended||state.reading)doRead=false;if(doRead){state.reading=true;state.sync=true;if(state.length===0)state.needReadable=true;this._read(state.highWaterMark);state.sync=false}if(doRead&&!state.reading)n=howMuchToRead(nOrig,state);if(n>0)ret=fromList(n,state);else ret=null;if(ret===null){state.needReadable=true;n=0}state.length-=n;if(state.length===0&&!state.ended)state.needReadable=true;if(state.ended&&!state.endEmitted&&state.length===0)endReadable(this);return ret};function chunkInvalid(state,chunk){var er=null;if(!Buffer.isBuffer(chunk)&&"string"!==typeof chunk&&chunk!==null&&chunk!==undefined&&!state.objectMode){er=new TypeError("Invalid non-string/buffer chunk")}return er}function onEofChunk(stream,state){if(state.decoder&&!state.ended){var chunk=state.decoder.end();if(chunk&&chunk.length){state.buffer.push(chunk);state.length+=state.objectMode?1:chunk.length}}state.ended=true;if(state.length>0)emitReadable(stream);else endReadable(stream)}function emitReadable(stream){var state=stream._readableState;state.needReadable=false;if(state.emittedReadable)return;state.emittedReadable=true;if(state.sync)process.nextTick(function(){emitReadable_(stream)});else emitReadable_(stream)}function emitReadable_(stream){stream.emit("readable")}function maybeReadMore(stream,state){if(!state.readingMore){state.readingMore=true;process.nextTick(function(){maybeReadMore_(stream,state)})}}function maybeReadMore_(stream,state){var len=state.length;while(!state.reading&&!state.flowing&&!state.ended&&state.length<state.highWaterMark){stream.read(0);if(len===state.length)break;else len=state.length}state.readingMore=false}Readable.prototype._read=function(n){this.emit("error",new Error("not implemented"))};Readable.prototype.pipe=function(dest,pipeOpts){var src=this;var state=this._readableState;switch(state.pipesCount){case 0:state.pipes=dest;break;case 1:state.pipes=[state.pipes,dest];break;default:state.pipes.push(dest);break}state.pipesCount+=1;var doEnd=(!pipeOpts||pipeOpts.end!==false)&&dest!==process.stdout&&dest!==process.stderr;var endFn=doEnd?onend:cleanup;if(state.endEmitted)process.nextTick(endFn);else src.once("end",endFn);dest.on("unpipe",onunpipe);function onunpipe(readable){if(readable!==src)return;cleanup()}function onend(){dest.end()}var ondrain=pipeOnDrain(src);dest.on("drain",ondrain);function cleanup(){dest.removeListener("close",onclose);dest.removeListener("finish",onfinish);dest.removeListener("drain",ondrain);dest.removeListener("error",onerror);dest.removeListener("unpipe",onunpipe);src.removeListener("end",onend);src.removeListener("end",cleanup);if(!dest._writableState||dest._writableState.needDrain)ondrain()}function onerror(er){unpipe();dest.removeListener("error",onerror);if(EE.listenerCount(dest,"error")===0)dest.emit("error",er)}if(!dest._events||!dest._events.error)dest.on("error",onerror);else if(isArray(dest._events.error))dest._events.error.unshift(onerror);else dest._events.error=[onerror,dest._events.error];function onclose(){dest.removeListener("finish",onfinish);unpipe()}dest.once("close",onclose);function onfinish(){dest.removeListener("close",onclose);unpipe()}dest.once("finish",onfinish);function unpipe(){src.unpipe(dest)}dest.emit("pipe",src);if(!state.flowing){this.on("readable",pipeOnReadable);state.flowing=true;process.nextTick(function(){flow(src)})}return dest};function pipeOnDrain(src){return function(){var dest=this;var state=src._readableState;state.awaitDrain--;if(state.awaitDrain===0)flow(src)}}function flow(src){var state=src._readableState;var chunk;state.awaitDrain=0;function write(dest,i,list){var written=dest.write(chunk);if(false===written){state.awaitDrain++}}while(state.pipesCount&&null!==(chunk=src.read())){if(state.pipesCount===1)write(state.pipes,0,null);else forEach(state.pipes,write);src.emit("data",chunk);if(state.awaitDrain>0)return}if(state.pipesCount===0){state.flowing=false;if(EE.listenerCount(src,"data")>0)emitDataEvents(src);return}state.ranOut=true}function pipeOnReadable(){if(this._readableState.ranOut){this._readableState.ranOut=false;flow(this)}}Readable.prototype.unpipe=function(dest){var state=this._readableState;if(state.pipesCount===0)return this;if(state.pipesCount===1){if(dest&&dest!==state.pipes)return this;if(!dest)dest=state.pipes;state.pipes=null;state.pipesCount=0;this.removeListener("readable",pipeOnReadable);state.flowing=false;if(dest)dest.emit("unpipe",this);return this}if(!dest){var dests=state.pipes;var len=state.pipesCount;state.pipes=null;state.pipesCount=0;this.removeListener("readable",pipeOnReadable);state.flowing=false;for(var i=0;i<len;i++)dests[i].emit("unpipe",this);return this}var i=indexOf(state.pipes,dest);if(i===-1)return this;state.pipes.splice(i,1);state.pipesCount-=1;if(state.pipesCount===1)state.pipes=state.pipes[0];dest.emit("unpipe",this);return this};Readable.prototype.on=function(ev,fn){var res=Stream.prototype.on.call(this,ev,fn);if(ev==="data"&&!this._readableState.flowing)emitDataEvents(this);if(ev==="readable"&&this.readable){var state=this._readableState;if(!state.readableListening){state.readableListening=true;state.emittedReadable=false;state.needReadable=true;if(!state.reading){this.read(0)}else if(state.length){emitReadable(this,state)}}}return res};Readable.prototype.addListener=Readable.prototype.on;Readable.prototype.resume=function(){emitDataEvents(this);this.read(0);this.emit("resume")};Readable.prototype.pause=function(){emitDataEvents(this,true);this.emit("pause")};function emitDataEvents(stream,startPaused){var state=stream._readableState;if(state.flowing){throw new Error("Cannot switch to old mode now.")}var paused=startPaused||false;var readable=false;stream.readable=true;stream.pipe=Stream.prototype.pipe;stream.on=stream.addListener=Stream.prototype.on;stream.on("readable",function(){readable=true;var c;while(!paused&&null!==(c=stream.read()))stream.emit("data",c);if(c===null){readable=false;stream._readableState.needReadable=true}});stream.pause=function(){paused=true;this.emit("pause")};stream.resume=function(){paused=false;if(readable)process.nextTick(function(){stream.emit("readable")});else this.read(0);this.emit("resume")};stream.emit("readable")}Readable.prototype.wrap=function(stream){var state=this._readableState;var paused=false;var self=this;stream.on("end",function(){if(state.decoder&&!state.ended){var chunk=state.decoder.end();if(chunk&&chunk.length)self.push(chunk)}self.push(null)});stream.on("data",function(chunk){if(state.decoder)chunk=state.decoder.write(chunk);if(state.objectMode&&(chunk===null||chunk===undefined))return;else if(!state.objectMode&&(!chunk||!chunk.length))return;var ret=self.push(chunk);if(!ret){paused=true;stream.pause()}});for(var i in stream){if(typeof stream[i]==="function"&&typeof this[i]==="undefined"){this[i]=function(method){return function(){return stream[method].apply(stream,arguments)}}(i)}}var events=["error","close","destroy","pause","resume"];forEach(events,function(ev){stream.on(ev,self.emit.bind(self,ev))});self._read=function(n){if(paused){paused=false;stream.resume()}};return self};Readable._fromList=fromList;function fromList(n,state){var list=state.buffer;var length=state.length;var stringMode=!!state.decoder;var objectMode=!!state.objectMode;var ret;if(list.length===0)return null;if(length===0)ret=null;else if(objectMode)ret=list.shift();else if(!n||n>=length){if(stringMode)ret=list.join("");else ret=Buffer.concat(list,length);list.length=0}else{if(n<list[0].length){var buf=list[0];ret=buf.slice(0,n);list[0]=buf.slice(n)}else if(n===list[0].length){ret=list.shift()}else{if(stringMode)ret="";else ret=new Buffer(n);var c=0;for(var i=0,l=list.length;i<l&&c<n;i++){var buf=list[0];var cpy=Math.min(n-c,buf.length);if(stringMode)ret+=buf.slice(0,cpy);else buf.copy(ret,c,0,cpy);if(cpy<buf.length)list[0]=buf.slice(cpy);else list.shift();c+=cpy}}}return ret}function endReadable(stream){var state=stream._readableState;if(state.length>0)throw new Error("endReadable called on non-empty stream");if(!state.endEmitted&&state.calledRead){state.ended=true;process.nextTick(function(){if(!state.endEmitted&&state.length===0){state.endEmitted=true;stream.readable=false;stream.emit("end")}})}}function forEach(xs,f){for(var i=0,l=xs.length;i<l;i++){f(xs[i],i)}}function indexOf(xs,x){for(var i=0,l=xs.length;i<l;i++){if(xs[i]===x)return i}return-1}}).call(this,require("_process"))},{_process:73,buffer:7,"core-util-is":9,events:14,inherits:26,isarray:29,stream:82,"string_decoder/":98}],77:[function(require,module,exports){module.exports=Transform;var Duplex=require("./_stream_duplex");var util=require("core-util-is");util.inherits=require("inherits");util.inherits(Transform,Duplex);function TransformState(options,stream){this.afterTransform=function(er,data){return afterTransform(stream,er,data)};this.needTransform=false;this.transforming=false;this.writecb=null;this.writechunk=null}function afterTransform(stream,er,data){var ts=stream._transformState;ts.transforming=false;var cb=ts.writecb;if(!cb)return stream.emit("error",new Error("no writecb in Transform class"));ts.writechunk=null;ts.writecb=null;if(data!==null&&data!==undefined)stream.push(data);if(cb)cb(er);var rs=stream._readableState;rs.reading=false;if(rs.needReadable||rs.length<rs.highWaterMark){stream._read(rs.highWaterMark)}}function Transform(options){if(!(this instanceof Transform))return new Transform(options);Duplex.call(this,options);var ts=this._transformState=new TransformState(options,this);var stream=this;this._readableState.needReadable=true;this._readableState.sync=false;this.once("finish",function(){if("function"===typeof this._flush)this._flush(function(er){done(stream,er)});else done(stream)})}Transform.prototype.push=function(chunk,encoding){this._transformState.needTransform=false;return Duplex.prototype.push.call(this,chunk,encoding)};Transform.prototype._transform=function(chunk,encoding,cb){throw new Error("not implemented")};Transform.prototype._write=function(chunk,encoding,cb){var ts=this._transformState;ts.writecb=cb;ts.writechunk=chunk;ts.writeencoding=encoding;if(!ts.transforming){var rs=this._readableState;if(ts.needTransform||rs.needReadable||rs.length<rs.highWaterMark)this._read(rs.highWaterMark)}};Transform.prototype._read=function(n){var ts=this._transformState;if(ts.writechunk!==null&&ts.writecb&&!ts.transforming){ts.transforming=true;this._transform(ts.writechunk,ts.writeencoding,ts.afterTransform)}else{ts.needTransform=true}};function done(stream,er){if(er)return stream.emit("error",er);var ws=stream._writableState;var rs=stream._readableState;var ts=stream._transformState;if(ws.length)throw new Error("calling transform done when ws.length != 0");if(ts.transforming)throw new Error("calling transform done when still transforming");return stream.push(null)}},{"./_stream_duplex":74,"core-util-is":9,inherits:26}],78:[function(require,module,exports){(function(process){module.exports=Writable;var Buffer=require("buffer").Buffer;Writable.WritableState=WritableState;var util=require("core-util-is");util.inherits=require("inherits");var Stream=require("stream");util.inherits(Writable,Stream);function WriteReq(chunk,encoding,cb){this.chunk=chunk;this.encoding=encoding;this.callback=cb}function WritableState(options,stream){options=options||{};var hwm=options.highWaterMark;this.highWaterMark=hwm||hwm===0?hwm:16*1024;this.objectMode=!!options.objectMode;this.highWaterMark=~~this.highWaterMark;this.needDrain=false;this.ending=false;this.ended=false;this.finished=false;var noDecode=options.decodeStrings===false;this.decodeStrings=!noDecode;this.defaultEncoding=options.defaultEncoding||"utf8";this.length=0;this.writing=false;this.sync=true;this.bufferProcessing=false;this.onwrite=function(er){onwrite(stream,er)};this.writecb=null;this.writelen=0;this.buffer=[];this.errorEmitted=false}function Writable(options){var Duplex=require("./_stream_duplex");if(!(this instanceof Writable)&&!(this instanceof Duplex))return new Writable(options);this._writableState=new WritableState(options,this);this.writable=true;Stream.call(this)}Writable.prototype.pipe=function(){this.emit("error",new Error("Cannot pipe. Not readable."))};function writeAfterEnd(stream,state,cb){var er=new Error("write after end");stream.emit("error",er);process.nextTick(function(){cb(er)})}function validChunk(stream,state,chunk,cb){var valid=true;if(!Buffer.isBuffer(chunk)&&"string"!==typeof chunk&&chunk!==null&&chunk!==undefined&&!state.objectMode){var er=new TypeError("Invalid non-string/buffer chunk");stream.emit("error",er);process.nextTick(function(){cb(er)});valid=false}return valid}Writable.prototype.write=function(chunk,encoding,cb){var state=this._writableState;var ret=false;if(typeof encoding==="function"){cb=encoding;encoding=null}if(Buffer.isBuffer(chunk))encoding="buffer";else if(!encoding)encoding=state.defaultEncoding;if(typeof cb!=="function")cb=function(){};if(state.ended)writeAfterEnd(this,state,cb);else if(validChunk(this,state,chunk,cb))ret=writeOrBuffer(this,state,chunk,encoding,cb);return ret};function decodeChunk(state,chunk,encoding){if(!state.objectMode&&state.decodeStrings!==false&&typeof chunk==="string"){chunk=new Buffer(chunk,encoding)}return chunk}function writeOrBuffer(stream,state,chunk,encoding,cb){chunk=decodeChunk(state,chunk,encoding);if(Buffer.isBuffer(chunk))encoding="buffer";var len=state.objectMode?1:chunk.length;state.length+=len;var ret=state.length<state.highWaterMark;if(!ret)state.needDrain=true;if(state.writing)state.buffer.push(new WriteReq(chunk,encoding,cb));else doWrite(stream,state,len,chunk,encoding,cb);return ret}function doWrite(stream,state,len,chunk,encoding,cb){state.writelen=len;state.writecb=cb;state.writing=true;state.sync=true;stream._write(chunk,encoding,state.onwrite);state.sync=false}function onwriteError(stream,state,sync,er,cb){if(sync)process.nextTick(function(){cb(er)});else cb(er);stream._writableState.errorEmitted=true;stream.emit("error",er)}function onwriteStateUpdate(state){state.writing=false;state.writecb=null;state.length-=state.writelen;state.writelen=0}function onwrite(stream,er){var state=stream._writableState;var sync=state.sync;var cb=state.writecb;onwriteStateUpdate(state);if(er)onwriteError(stream,state,sync,er,cb);else{var finished=needFinish(stream,state);if(!finished&&!state.bufferProcessing&&state.buffer.length)clearBuffer(stream,state);if(sync){process.nextTick(function(){afterWrite(stream,state,finished,cb)})}else{afterWrite(stream,state,finished,cb)}}}function afterWrite(stream,state,finished,cb){if(!finished)onwriteDrain(stream,state);cb();if(finished)finishMaybe(stream,state)}function onwriteDrain(stream,state){if(state.length===0&&state.needDrain){state.needDrain=false;stream.emit("drain")}}function clearBuffer(stream,state){state.bufferProcessing=true;for(var c=0;c<state.buffer.length;c++){var entry=state.buffer[c];var chunk=entry.chunk;var encoding=entry.encoding;var cb=entry.callback;var len=state.objectMode?1:chunk.length;doWrite(stream,state,len,chunk,encoding,cb);if(state.writing){c++;break}}state.bufferProcessing=false;if(c<state.buffer.length)state.buffer=state.buffer.slice(c);else state.buffer.length=0}Writable.prototype._write=function(chunk,encoding,cb){cb(new Error("not implemented"))};Writable.prototype.end=function(chunk,encoding,cb){var state=this._writableState;if(typeof chunk==="function"){cb=chunk;chunk=null;encoding=null}else if(typeof encoding==="function"){cb=encoding;encoding=null}if(typeof chunk!=="undefined"&&chunk!==null)this.write(chunk,encoding);if(!state.ending&&!state.finished)endWritable(this,state,cb)};function needFinish(stream,state){return state.ending&&state.length===0&&!state.finished&&!state.writing}function finishMaybe(stream,state){var need=needFinish(stream,state);if(need){state.finished=true;stream.emit("finish")}return need}function endWritable(stream,state,cb){state.ending=true;finishMaybe(stream,state);if(cb){if(state.finished)process.nextTick(cb);else stream.once("finish",cb)}state.ended=true}}).call(this,require("_process"))},{"./_stream_duplex":74,_process:73,buffer:7,"core-util-is":9,inherits:26,stream:82}],79:[function(require,module,exports){(function(process){var Stream=require("stream");exports=module.exports=require("./lib/_stream_readable.js");exports.Stream=Stream;exports.Readable=exports;exports.Writable=require("./lib/_stream_writable.js");exports.Duplex=require("./lib/_stream_duplex.js");exports.Transform=require("./lib/_stream_transform.js");exports.PassThrough=require("./lib/_stream_passthrough.js");if(!process.browser&&process.env.READABLE_STREAM==="disable"){module.exports=require("stream")}}).call(this,require("_process"))},{"./lib/_stream_duplex.js":74,"./lib/_stream_passthrough.js":75,"./lib/_stream_readable.js":76,"./lib/_stream_transform.js":77,"./lib/_stream_writable.js":78,_process:73,stream:82}],80:[function(require,module,exports){var buffer=require("buffer");var Buffer=buffer.Buffer;function copyProps(src,dst){for(var key in src){dst[key]=src[key]}}if(Buffer.from&&Buffer.alloc&&Buffer.allocUnsafe&&Buffer.allocUnsafeSlow){module.exports=buffer}else{copyProps(buffer,exports);exports.Buffer=SafeBuffer}function SafeBuffer(arg,encodingOrOffset,length){return Buffer(arg,encodingOrOffset,length)}copyProps(Buffer,SafeBuffer);SafeBuffer.from=function(arg,encodingOrOffset,length){if(typeof arg==="number"){throw new TypeError("Argument must not be a number")}return Buffer(arg,encodingOrOffset,length)};SafeBuffer.alloc=function(size,fill,encoding){if(typeof size!=="number"){throw new TypeError("Argument must be a number")}var buf=Buffer(size);if(fill!==undefined){if(typeof encoding==="string"){buf.fill(fill,encoding)}else{buf.fill(fill)}}else{buf.fill(0)}return buf};SafeBuffer.allocUnsafe=function(size){if(typeof size!=="number"){throw new TypeError("Argument must be a number")}return Buffer(size)};SafeBuffer.allocUnsafeSlow=function(size){if(typeof size!=="number"){throw new TypeError("Argument must be a number")}return buffer.SlowBuffer(size)}},{buffer:7}],81:[function(require,module,exports){(function(Buffer){"use strict";var ContentStream=require("contentstream");var GifEncoder=require("gif-encoder");var jpegJs=require("jpeg-js");var PNG=require("pngjs-nozlib").PNG;var ndarray=require("ndarray");var ops=require("ndarray-ops");var through=require("through");function handleData(array,data,frame){var i,j,ptr=0,c;if(array.shape.length===4){return handleData(array.pick(frame),data,0)}else if(array.shape.length===3){if(array.shape[2]===3){ops.assign(ndarray(data,[array.shape[0],array.shape[1],3],[4,4*array.shape[0],1]),array);ops.assigns(ndarray(data,[array.shape[0]*array.shape[1]],[4],3),255)}else if(array.shape[2]===4){ops.assign(ndarray(data,[array.shape[0],array.shape[1],4],[4,array.shape[0]*4,1]),array)}else if(array.shape[2]===1){ops.assign(ndarray(data,[array.shape[0],array.shape[1],3],[4,4*array.shape[0],1]),ndarray(array.data,[array.shape[0],array.shape[1],3],[array.stride[0],array.stride[1],0],array.offset));ops.assigns(ndarray(data,[array.shape[0]*array.shape[1]],[4],3),255)}else{return new Error("Incompatible array shape")}}else if(array.shape.length===2){ops.assign(ndarray(data,[array.shape[0],array.shape[1],3],[4,4*array.shape[0],1]),ndarray(array.data,[array.shape[0],array.shape[1],3],[array.stride[0],array.stride[1],0],array.offset));ops.assigns(ndarray(data,[array.shape[0]*array.shape[1]],[4],3),255)}else{return new Error("Incompatible array shape")}return data}function haderror(err){var result=through();result.emit("error",err);return result}module.exports=function savePixels(array,type,options){options=options||{};switch(type.toUpperCase()){case"JPG":case".JPG":case"JPEG":case".JPEG":case"JPE":case".JPE":var width=array.shape[0];var height=array.shape[1];var data=new Buffer(width*height*4);data=handleData(array,data);var rawImageData={data:data,width:width,height:height};var jpegImageData=jpegJs.encode(rawImageData,options.quality);return new ContentStream(jpegImageData.data);case"GIF":case".GIF":var frames=array.shape.length===4?array.shape[0]:1;var width=array.shape.length===4?array.shape[1]:array.shape[0];var height=array.shape.length===4?array.shape[2]:array.shape[1];var data=new Buffer(width*height*4);var gif=new GifEncoder(width,height);gif.writeHeader();for(var i=0;i<frames;i++){data=handleData(array,data,i);gif.addFrame(data)}gif.finish();return gif;case"PNG":case".PNG":var png=new PNG({width:array.shape[0],height:array.shape[1]});var data=handleData(array,png.data);if(typeof data==="Error")return haderror(data);png.data=data;return png.pack();case"CANVAS":var canvas=document.createElement("canvas");var context=canvas.getContext("2d");canvas.width=array.shape[0];canvas.height=array.shape[1];var imageData=context.getImageData(0,0,canvas.width,canvas.height);var data=imageData.data;data=handleData(array,data);if(typeof data==="Error")return haderror(data);context.putImageData(imageData,0,0);return canvas;default:return haderror(new Error("Unsupported file type: "+type))}}}).call(this,require("buffer").Buffer)},{buffer:7,contentstream:8,"gif-encoder":16,"jpeg-js":30,ndarray:37,"ndarray-ops":34,"pngjs-nozlib":70,through:99}],82:[function(require,module,exports){module.exports=Stream;var EE=require("events").EventEmitter;var inherits=require("inherits");inherits(Stream,EE);Stream.Readable=require("readable-stream/readable.js");Stream.Writable=require("readable-stream/writable.js");Stream.Duplex=require("readable-stream/duplex.js");Stream.Transform=require("readable-stream/transform.js");Stream.PassThrough=require("readable-stream/passthrough.js");Stream.Stream=Stream;function Stream(){EE.call(this)}Stream.prototype.pipe=function(dest,options){var source=this;function ondata(chunk){if(dest.writable){if(false===dest.write(chunk)&&source.pause){source.pause()}}}source.on("data",ondata);function ondrain(){if(source.readable&&source.resume){source.resume()}}dest.on("drain",ondrain);if(!dest._isStdio&&(!options||options.end!==false)){source.on("end",onend);source.on("close",onclose)}var didOnEnd=false;function onend(){if(didOnEnd)return;didOnEnd=true;dest.end()}function onclose(){if(didOnEnd)return;didOnEnd=true;if(typeof dest.destroy==="function")dest.destroy()}function onerror(er){cleanup();if(EE.listenerCount(this,"error")===0){throw er}}source.on("error",onerror);dest.on("error",onerror);function cleanup(){source.removeListener("data",ondata);dest.removeListener("drain",ondrain);source.removeListener("end",onend);source.removeListener("close",onclose);source.removeListener("error",onerror);dest.removeListener("error",onerror);source.removeListener("end",cleanup);source.removeListener("close",cleanup);dest.removeListener("close",cleanup)}source.on("end",cleanup);source.on("close",cleanup);dest.on("close",cleanup);dest.emit("pipe",source);return dest}},{events:14,inherits:26,"readable-stream/duplex.js":84,"readable-stream/passthrough.js":93,"readable-stream/readable.js":94,"readable-stream/transform.js":95,"readable-stream/writable.js":96}],83:[function(require,module,exports){var toString={}.toString;module.exports=Array.isArray||function(arr){return toString.call(arr)=="[object Array]"}},{}],84:[function(require,module,exports){module.exports=require("./lib/_stream_duplex.js")},{"./lib/_stream_duplex.js":85}],85:[function(require,module,exports){"use strict";var processNextTick=require("process-nextick-args");var objectKeys=Object.keys||function(obj){var keys=[];for(var key in obj){keys.push(key)}return keys};module.exports=Duplex;var util=require("core-util-is");util.inherits=require("inherits");var Readable=require("./_stream_readable");var Writable=require("./_stream_writable");util.inherits(Duplex,Readable);var keys=objectKeys(Writable.prototype);for(var v=0;v<keys.length;v++){var method=keys[v];if(!Duplex.prototype[method])Duplex.prototype[method]=Writable.prototype[method]}function Duplex(options){if(!(this instanceof Duplex))return new Duplex(options);Readable.call(this,options);Writable.call(this,options);if(options&&options.readable===false)this.readable=false;if(options&&options.writable===false)this.writable=false;this.allowHalfOpen=true;if(options&&options.allowHalfOpen===false)this.allowHalfOpen=false;this.once("end",onend)}function onend(){if(this.allowHalfOpen||this._writableState.ended)return;processNextTick(onEndNT,this)}function onEndNT(self){self.end()}Object.defineProperty(Duplex.prototype,"destroyed",{get:function(){if(this._readableState===undefined||this._writableState===undefined){return false}return this._readableState.destroyed&&this._writableState.destroyed},set:function(value){if(this._readableState===undefined||this._writableState===undefined){return}this._readableState.destroyed=value;this._writableState.destroyed=value}});Duplex.prototype._destroy=function(err,cb){this.push(null);this.end();processNextTick(cb,err)};function forEach(xs,f){for(var i=0,l=xs.length;i<l;i++){f(xs[i],i)}}},{"./_stream_readable":87,"./_stream_writable":89,"core-util-is":9,inherits:26,"process-nextick-args":72}],86:[function(require,module,exports){"use strict";module.exports=PassThrough;var Transform=require("./_stream_transform");var util=require("core-util-is");util.inherits=require("inherits");util.inherits(PassThrough,Transform);function PassThrough(options){if(!(this instanceof PassThrough))return new PassThrough(options);Transform.call(this,options)}PassThrough.prototype._transform=function(chunk,encoding,cb){cb(null,chunk)}},{"./_stream_transform":88,"core-util-is":9,inherits:26}],87:[function(require,module,exports){(function(process){"use strict";var processNextTick=require("process-nextick-args");module.exports=Readable;var isArray=require("isarray");var Duplex;Readable.ReadableState=ReadableState;var EE=require("events").EventEmitter;var EElistenerCount=function(emitter,type){return emitter.listeners(type).length};var Stream=require("./internal/streams/stream");var Buffer=require("safe-buffer").Buffer;function _uint8ArrayToBuffer(chunk){return Buffer.from(chunk)}function _isUint8Array(obj){return Object.prototype.toString.call(obj)==="[object Uint8Array]"||Buffer.isBuffer(obj)}var util=require("core-util-is");util.inherits=require("inherits");var debugUtil=require("util");var debug=void 0;if(debugUtil&&debugUtil.debuglog){debug=debugUtil.debuglog("stream")}else{debug=function(){}}var BufferList=require("./internal/streams/BufferList");var destroyImpl=require("./internal/streams/destroy");var StringDecoder;util.inherits(Readable,Stream);var kProxyEvents=["error","close","destroy","pause","resume"];function prependListener(emitter,event,fn){if(typeof emitter.prependListener==="function"){return emitter.prependListener(event,fn)}else{if(!emitter._events||!emitter._events[event])emitter.on(event,fn);else if(isArray(emitter._events[event]))emitter._events[event].unshift(fn);else emitter._events[event]=[fn,emitter._events[event]]}}function ReadableState(options,stream){Duplex=Duplex||require("./_stream_duplex");options=options||{};this.objectMode=!!options.objectMode;if(stream instanceof Duplex)this.objectMode=this.objectMode||!!options.readableObjectMode;var hwm=options.highWaterMark;var defaultHwm=this.objectMode?16:16*1024;this.highWaterMark=hwm||hwm===0?hwm:defaultHwm;this.highWaterMark=Math.floor(this.highWaterMark);this.buffer=new BufferList;this.length=0;this.pipes=null;this.pipesCount=0;this.flowing=null;this.ended=false;this.endEmitted=false;this.reading=false;this.sync=true;this.needReadable=false;this.emittedReadable=false;this.readableListening=false;this.resumeScheduled=false;this.destroyed=false;this.defaultEncoding=options.defaultEncoding||"utf8";this.awaitDrain=0;this.readingMore=false;this.decoder=null;this.encoding=null;if(options.encoding){if(!StringDecoder)StringDecoder=require("string_decoder/").StringDecoder;this.decoder=new StringDecoder(options.encoding);this.encoding=options.encoding}}function Readable(options){Duplex=Duplex||require("./_stream_duplex");if(!(this instanceof Readable))return new Readable(options);this._readableState=new ReadableState(options,this);this.readable=true;if(options){if(typeof options.read==="function")this._read=options.read;if(typeof options.destroy==="function")this._destroy=options.destroy}Stream.call(this)}Object.defineProperty(Readable.prototype,"destroyed",{get:function(){if(this._readableState===undefined){return false}return this._readableState.destroyed},set:function(value){if(!this._readableState){return}this._readableState.destroyed=value}});Readable.prototype.destroy=destroyImpl.destroy;Readable.prototype._undestroy=destroyImpl.undestroy;Readable.prototype._destroy=function(err,cb){this.push(null);cb(err)};Readable.prototype.push=function(chunk,encoding){var state=this._readableState;var skipChunkCheck;if(!state.objectMode){if(typeof chunk==="string"){encoding=encoding||state.defaultEncoding;if(encoding!==state.encoding){chunk=Buffer.from(chunk,encoding);encoding=""}skipChunkCheck=true}}else{skipChunkCheck=true}return readableAddChunk(this,chunk,encoding,false,skipChunkCheck)};Readable.prototype.unshift=function(chunk){return readableAddChunk(this,chunk,null,true,false)};function readableAddChunk(stream,chunk,encoding,addToFront,skipChunkCheck){var state=stream._readableState;if(chunk===null){state.reading=false;onEofChunk(stream,state)}else{var er;if(!skipChunkCheck)er=chunkInvalid(state,chunk);if(er){stream.emit("error",er)}else if(state.objectMode||chunk&&chunk.length>0){if(typeof chunk!=="string"&&Object.getPrototypeOf(chunk)!==Buffer.prototype&&!state.objectMode){chunk=_uint8ArrayToBuffer(chunk)}if(addToFront){if(state.endEmitted)stream.emit("error",new Error("stream.unshift() after end event"));else addChunk(stream,state,chunk,true)}else if(state.ended){stream.emit("error",new Error("stream.push() after EOF"))}else{state.reading=false;if(state.decoder&&!encoding){chunk=state.decoder.write(chunk);if(state.objectMode||chunk.length!==0)addChunk(stream,state,chunk,false);else maybeReadMore(stream,state)}else{addChunk(stream,state,chunk,false)}}}else if(!addToFront){state.reading=false}}return needMoreData(state)}function addChunk(stream,state,chunk,addToFront){if(state.flowing&&state.length===0&&!state.sync){stream.emit("data",chunk);stream.read(0)}else{state.length+=state.objectMode?1:chunk.length;if(addToFront)state.buffer.unshift(chunk);else state.buffer.push(chunk);if(state.needReadable)emitReadable(stream)}maybeReadMore(stream,state)}function chunkInvalid(state,chunk){var er;if(!_isUint8Array(chunk)&&typeof chunk!=="string"&&chunk!==undefined&&!state.objectMode){er=new TypeError("Invalid non-string/buffer chunk")}return er}function needMoreData(state){return!state.ended&&(state.needReadable||state.length<state.highWaterMark||state.length===0)}Readable.prototype.isPaused=function(){return this._readableState.flowing===false};Readable.prototype.setEncoding=function(enc){if(!StringDecoder)StringDecoder=require("string_decoder/").StringDecoder;this._readableState.decoder=new StringDecoder(enc);this._readableState.encoding=enc;return this};var MAX_HWM=8388608;function computeNewHighWaterMark(n){if(n>=MAX_HWM){n=MAX_HWM}else{n--;n|=n>>>1;n|=n>>>2;n|=n>>>4;n|=n>>>8;n|=n>>>16;n++}return n}function howMuchToRead(n,state){if(n<=0||state.length===0&&state.ended)return 0;if(state.objectMode)return 1;if(n!==n){if(state.flowing&&state.length)return state.buffer.head.data.length;else return state.length}if(n>state.highWaterMark)state.highWaterMark=computeNewHighWaterMark(n);if(n<=state.length)return n;if(!state.ended){state.needReadable=true;return 0}return state.length}Readable.prototype.read=function(n){debug("read",n);n=parseInt(n,10);var state=this._readableState;var nOrig=n;if(n!==0)state.emittedReadable=false;if(n===0&&state.needReadable&&(state.length>=state.highWaterMark||state.ended)){debug("read: emitReadable",state.length,state.ended);if(state.length===0&&state.ended)endReadable(this);else emitReadable(this);return null}n=howMuchToRead(n,state);if(n===0&&state.ended){if(state.length===0)endReadable(this);return null}var doRead=state.needReadable;debug("need readable",doRead);if(state.length===0||state.length-n<state.highWaterMark){doRead=true;debug("length less than watermark",doRead)}if(state.ended||state.reading){doRead=false;debug("reading or ended",doRead)}else if(doRead){debug("do read");state.reading=true;state.sync=true;if(state.length===0)state.needReadable=true;this._read(state.highWaterMark);state.sync=false;if(!state.reading)n=howMuchToRead(nOrig,state)}var ret;if(n>0)ret=fromList(n,state);else ret=null;if(ret===null){state.needReadable=true;n=0}else{state.length-=n}if(state.length===0){if(!state.ended)state.needReadable=true;if(nOrig!==n&&state.ended)endReadable(this)}if(ret!==null)this.emit("data",ret);return ret};function onEofChunk(stream,state){if(state.ended)return;if(state.decoder){var chunk=state.decoder.end();if(chunk&&chunk.length){state.buffer.push(chunk);state.length+=state.objectMode?1:chunk.length}}state.ended=true;emitReadable(stream)}function emitReadable(stream){var state=stream._readableState;state.needReadable=false;if(!state.emittedReadable){debug("emitReadable",state.flowing);state.emittedReadable=true;if(state.sync)processNextTick(emitReadable_,stream);else emitReadable_(stream)}}function emitReadable_(stream){debug("emit readable");stream.emit("readable");flow(stream)}function maybeReadMore(stream,state){if(!state.readingMore){state.readingMore=true;processNextTick(maybeReadMore_,stream,state)}}function maybeReadMore_(stream,state){var len=state.length;while(!state.reading&&!state.flowing&&!state.ended&&state.length<state.highWaterMark){debug("maybeReadMore read 0");stream.read(0);if(len===state.length)break;else len=state.length}state.readingMore=false}Readable.prototype._read=function(n){this.emit("error",new Error("_read() is not implemented"))};Readable.prototype.pipe=function(dest,pipeOpts){var src=this;var state=this._readableState;switch(state.pipesCount){case 0:state.pipes=dest;break;case 1:state.pipes=[state.pipes,dest];break;default:state.pipes.push(dest);break}state.pipesCount+=1;debug("pipe count=%d opts=%j",state.pipesCount,pipeOpts);var doEnd=(!pipeOpts||pipeOpts.end!==false)&&dest!==process.stdout&&dest!==process.stderr;var endFn=doEnd?onend:unpipe;if(state.endEmitted)processNextTick(endFn);else src.once("end",endFn);dest.on("unpipe",onunpipe);function onunpipe(readable,unpipeInfo){debug("onunpipe");if(readable===src){if(unpipeInfo&&unpipeInfo.hasUnpiped===false){unpipeInfo.hasUnpiped=true;cleanup()}}}function onend(){debug("onend");dest.end()}var ondrain=pipeOnDrain(src);dest.on("drain",ondrain);var cleanedUp=false;function cleanup(){debug("cleanup");dest.removeListener("close",onclose);dest.removeListener("finish",onfinish);dest.removeListener("drain",ondrain);dest.removeListener("error",onerror);dest.removeListener("unpipe",onunpipe);src.removeListener("end",onend);src.removeListener("end",unpipe);src.removeListener("data",ondata);cleanedUp=true;if(state.awaitDrain&&(!dest._writableState||dest._writableState.needDrain))ondrain()}var increasedAwaitDrain=false;src.on("data",ondata);function ondata(chunk){debug("ondata");increasedAwaitDrain=false;var ret=dest.write(chunk);if(false===ret&&!increasedAwaitDrain){if((state.pipesCount===1&&state.pipes===dest||state.pipesCount>1&&indexOf(state.pipes,dest)!==-1)&&!cleanedUp){debug("false write response, pause",src._readableState.awaitDrain);src._readableState.awaitDrain++;increasedAwaitDrain=true}src.pause()}}function onerror(er){debug("onerror",er);unpipe();dest.removeListener("error",onerror);if(EElistenerCount(dest,"error")===0)dest.emit("error",er)}prependListener(dest,"error",onerror);function onclose(){dest.removeListener("finish",onfinish);unpipe()}dest.once("close",onclose);function onfinish(){debug("onfinish");dest.removeListener("close",onclose);unpipe()}dest.once("finish",onfinish);function unpipe(){debug("unpipe");src.unpipe(dest)}dest.emit("pipe",src);if(!state.flowing){debug("pipe resume");src.resume()}return dest};function pipeOnDrain(src){return function(){var state=src._readableState;debug("pipeOnDrain",state.awaitDrain);if(state.awaitDrain)state.awaitDrain--;if(state.awaitDrain===0&&EElistenerCount(src,"data")){state.flowing=true;flow(src)}}}Readable.prototype.unpipe=function(dest){var state=this._readableState;var unpipeInfo={hasUnpiped:false};if(state.pipesCount===0)return this;if(state.pipesCount===1){if(dest&&dest!==state.pipes)return this;if(!dest)dest=state.pipes;state.pipes=null;state.pipesCount=0;state.flowing=false;if(dest)dest.emit("unpipe",this,unpipeInfo);return this}if(!dest){var dests=state.pipes;var len=state.pipesCount;state.pipes=null;state.pipesCount=0;state.flowing=false;for(var i=0;i<len;i++){dests[i].emit("unpipe",this,unpipeInfo)}return this}var index=indexOf(state.pipes,dest);if(index===-1)return this;state.pipes.splice(index,1);state.pipesCount-=1;if(state.pipesCount===1)state.pipes=state.pipes[0];dest.emit("unpipe",this,unpipeInfo);return this};Readable.prototype.on=function(ev,fn){var res=Stream.prototype.on.call(this,ev,fn);if(ev==="data"){if(this._readableState.flowing!==false)this.resume()}else if(ev==="readable"){var state=this._readableState;if(!state.endEmitted&&!state.readableListening){state.readableListening=state.needReadable=true;state.emittedReadable=false;if(!state.reading){processNextTick(nReadingNextTick,this)}else if(state.length){emitReadable(this)}}}return res};Readable.prototype.addListener=Readable.prototype.on;function nReadingNextTick(self){debug("readable nexttick read 0");self.read(0)}Readable.prototype.resume=function(){var state=this._readableState;if(!state.flowing){debug("resume");state.flowing=true;resume(this,state)}return this};function resume(stream,state){if(!state.resumeScheduled){state.resumeScheduled=true;processNextTick(resume_,stream,state)}}function resume_(stream,state){if(!state.reading){debug("resume read 0");stream.read(0)}state.resumeScheduled=false;state.awaitDrain=0;stream.emit("resume");flow(stream);if(state.flowing&&!state.reading)stream.read(0)}Readable.prototype.pause=function(){debug("call pause flowing=%j",this._readableState.flowing);if(false!==this._readableState.flowing){debug("pause");this._readableState.flowing=false;this.emit("pause")}return this};function flow(stream){var state=stream._readableState;debug("flow",state.flowing);while(state.flowing&&stream.read()!==null){}}Readable.prototype.wrap=function(stream){var state=this._readableState;var paused=false;var self=this;stream.on("end",function(){debug("wrapped end");if(state.decoder&&!state.ended){var chunk=state.decoder.end();if(chunk&&chunk.length)self.push(chunk)}self.push(null)});stream.on("data",function(chunk){debug("wrapped data");if(state.decoder)chunk=state.decoder.write(chunk);if(state.objectMode&&(chunk===null||chunk===undefined))return;else if(!state.objectMode&&(!chunk||!chunk.length))return;var ret=self.push(chunk);if(!ret){paused=true;stream.pause()}});for(var i in stream){if(this[i]===undefined&&typeof stream[i]==="function"){this[i]=function(method){return function(){return stream[method].apply(stream,arguments)}}(i)}}for(var n=0;n<kProxyEvents.length;n++){stream.on(kProxyEvents[n],self.emit.bind(self,kProxyEvents[n]))}self._read=function(n){debug("wrapped _read",n);if(paused){paused=false;stream.resume()}};return self};Readable._fromList=fromList;function fromList(n,state){if(state.length===0)return null;var ret;if(state.objectMode)ret=state.buffer.shift();else if(!n||n>=state.length){if(state.decoder)ret=state.buffer.join("");else if(state.buffer.length===1)ret=state.buffer.head.data;else ret=state.buffer.concat(state.length);state.buffer.clear()}else{ret=fromListPartial(n,state.buffer,state.decoder)}return ret}function fromListPartial(n,list,hasStrings){var ret;if(n<list.head.data.length){ret=list.head.data.slice(0,n);list.head.data=list.head.data.slice(n)}else if(n===list.head.data.length){ret=list.shift()}else{ret=hasStrings?copyFromBufferString(n,list):copyFromBuffer(n,list)}return ret}function copyFromBufferString(n,list){var p=list.head;var c=1;var ret=p.data;n-=ret.length;while(p=p.next){var str=p.data;var nb=n>str.length?str.length:n;if(nb===str.length)ret+=str;else ret+=str.slice(0,n);n-=nb;if(n===0){if(nb===str.length){++c;if(p.next)list.head=p.next;else list.head=list.tail=null}else{list.head=p;p.data=str.slice(nb)}break}++c}list.length-=c;return ret}function copyFromBuffer(n,list){var ret=Buffer.allocUnsafe(n);var p=list.head;var c=1;p.data.copy(ret);n-=p.data.length;while(p=p.next){var buf=p.data;var nb=n>buf.length?buf.length:n;buf.copy(ret,ret.length-n,0,nb);n-=nb;if(n===0){if(nb===buf.length){++c;if(p.next)list.head=p.next;else list.head=list.tail=null}else{list.head=p;p.data=buf.slice(nb)}break}++c}list.length-=c;return ret}function endReadable(stream){var state=stream._readableState;if(state.length>0)throw new Error('"endReadable()" called on non-empty stream');if(!state.endEmitted){state.ended=true;processNextTick(endReadableNT,state,stream)}}function endReadableNT(state,stream){if(!state.endEmitted&&state.length===0){state.endEmitted=true;stream.readable=false;stream.emit("end")}}function forEach(xs,f){for(var i=0,l=xs.length;i<l;i++){f(xs[i],i)}}function indexOf(xs,x){for(var i=0,l=xs.length;i<l;i++){if(xs[i]===x)return i}return-1}}).call(this,require("_process"))},{"./_stream_duplex":85,"./internal/streams/BufferList":90,"./internal/streams/destroy":91,"./internal/streams/stream":92,_process:73,"core-util-is":9,events:14,inherits:26,isarray:83,"process-nextick-args":72,"safe-buffer":80,"string_decoder/":97,util:4}],88:[function(require,module,exports){"use strict";module.exports=Transform;var Duplex=require("./_stream_duplex");var util=require("core-util-is");util.inherits=require("inherits");util.inherits(Transform,Duplex);function TransformState(stream){this.afterTransform=function(er,data){return afterTransform(stream,er,data)};this.needTransform=false;this.transforming=false;this.writecb=null;this.writechunk=null;this.writeencoding=null}function afterTransform(stream,er,data){var ts=stream._transformState;ts.transforming=false;var cb=ts.writecb;if(!cb){return stream.emit("error",new Error("write callback called multiple times"))}ts.writechunk=null;ts.writecb=null;if(data!==null&&data!==undefined)stream.push(data);cb(er);var rs=stream._readableState;rs.reading=false;if(rs.needReadable||rs.length<rs.highWaterMark){stream._read(rs.highWaterMark)}}function Transform(options){if(!(this instanceof Transform))return new Transform(options);Duplex.call(this,options);this._transformState=new TransformState(this);var stream=this;this._readableState.needReadable=true;this._readableState.sync=false;if(options){if(typeof options.transform==="function")this._transform=options.transform;if(typeof options.flush==="function")this._flush=options.flush}this.once("prefinish",function(){if(typeof this._flush==="function")this._flush(function(er,data){done(stream,er,data)});else done(stream)})}Transform.prototype.push=function(chunk,encoding){this._transformState.needTransform=false;return Duplex.prototype.push.call(this,chunk,encoding)};Transform.prototype._transform=function(chunk,encoding,cb){throw new Error("_transform() is not implemented")};Transform.prototype._write=function(chunk,encoding,cb){var ts=this._transformState;ts.writecb=cb;ts.writechunk=chunk;ts.writeencoding=encoding;if(!ts.transforming){var rs=this._readableState;if(ts.needTransform||rs.needReadable||rs.length<rs.highWaterMark)this._read(rs.highWaterMark)}};Transform.prototype._read=function(n){var ts=this._transformState;if(ts.writechunk!==null&&ts.writecb&&!ts.transforming){ts.transforming=true;this._transform(ts.writechunk,ts.writeencoding,ts.afterTransform)}else{ts.needTransform=true}};Transform.prototype._destroy=function(err,cb){var _this=this;Duplex.prototype._destroy.call(this,err,function(err2){cb(err2);_this.emit("close")})};function done(stream,er,data){if(er)return stream.emit("error",er);if(data!==null&&data!==undefined)stream.push(data);var ws=stream._writableState;var ts=stream._transformState;if(ws.length)throw new Error("Calling transform done when ws.length != 0");if(ts.transforming)throw new Error("Calling transform done when still transforming");return stream.push(null)}},{"./_stream_duplex":85,"core-util-is":9,inherits:26}],89:[function(require,module,exports){(function(process){"use strict";var processNextTick=require("process-nextick-args");module.exports=Writable;function WriteReq(chunk,encoding,cb){this.chunk=chunk;this.encoding=encoding;this.callback=cb;this.next=null}function CorkedRequest(state){var _this=this;this.next=null;this.entry=null;this.finish=function(){onCorkedFinish(_this,state)}}var asyncWrite=!process.browser&&["v0.10","v0.9."].indexOf(process.version.slice(0,5))>-1?setImmediate:processNextTick;var Duplex;Writable.WritableState=WritableState;var util=require("core-util-is");util.inherits=require("inherits");var internalUtil={deprecate:require("util-deprecate")};var Stream=require("./internal/streams/stream");var Buffer=require("safe-buffer").Buffer;function _uint8ArrayToBuffer(chunk){return Buffer.from(chunk)}function _isUint8Array(obj){return Object.prototype.toString.call(obj)==="[object Uint8Array]"||Buffer.isBuffer(obj)}var destroyImpl=require("./internal/streams/destroy");util.inherits(Writable,Stream);function nop(){}function WritableState(options,stream){Duplex=Duplex||require("./_stream_duplex");options=options||{};this.objectMode=!!options.objectMode;if(stream instanceof Duplex)this.objectMode=this.objectMode||!!options.writableObjectMode;var hwm=options.highWaterMark;var defaultHwm=this.objectMode?16:16*1024;this.highWaterMark=hwm||hwm===0?hwm:defaultHwm;this.highWaterMark=Math.floor(this.highWaterMark);this.finalCalled=false;this.needDrain=false;this.ending=false;this.ended=false;this.finished=false;this.destroyed=false;var noDecode=options.decodeStrings===false;this.decodeStrings=!noDecode;this.defaultEncoding=options.defaultEncoding||"utf8";this.length=0;this.writing=false;this.corked=0;this.sync=true;this.bufferProcessing=false;this.onwrite=function(er){onwrite(stream,er)};this.writecb=null;this.writelen=0;this.bufferedRequest=null;this.lastBufferedRequest=null;this.pendingcb=0;this.prefinished=false;this.errorEmitted=false;this.bufferedRequestCount=0;this.corkedRequestsFree=new CorkedRequest(this)}WritableState.prototype.getBuffer=function getBuffer(){var current=this.bufferedRequest;var out=[];while(current){out.push(current);current=current.next}return out};(function(){try{Object.defineProperty(WritableState.prototype,"buffer",{get:internalUtil.deprecate(function(){return this.getBuffer()},"_writableState.buffer is deprecated. Use _writableState.getBuffer "+"instead.","DEP0003")})}catch(_){}})();var realHasInstance;if(typeof Symbol==="function"&&Symbol.hasInstance&&typeof Function.prototype[Symbol.hasInstance]==="function"){realHasInstance=Function.prototype[Symbol.hasInstance];Object.defineProperty(Writable,Symbol.hasInstance,{value:function(object){if(realHasInstance.call(this,object))return true;return object&&object._writableState instanceof WritableState}})}else{realHasInstance=function(object){return object instanceof this}}function Writable(options){Duplex=Duplex||require("./_stream_duplex");if(!realHasInstance.call(Writable,this)&&!(this instanceof Duplex)){return new Writable(options)}this._writableState=new WritableState(options,this);this.writable=true;if(options){if(typeof options.write==="function")this._write=options.write;if(typeof options.writev==="function")this._writev=options.writev;if(typeof options.destroy==="function")this._destroy=options.destroy;if(typeof options.final==="function")this._final=options.final}Stream.call(this)}Writable.prototype.pipe=function(){this.emit("error",new Error("Cannot pipe, not readable"))};function writeAfterEnd(stream,cb){var er=new Error("write after end");stream.emit("error",er);processNextTick(cb,er)}function validChunk(stream,state,chunk,cb){var valid=true;var er=false;if(chunk===null){er=new TypeError("May not write null values to stream")}else if(typeof chunk!=="string"&&chunk!==undefined&&!state.objectMode){er=new TypeError("Invalid non-string/buffer chunk")}if(er){stream.emit("error",er);processNextTick(cb,er);valid=false}return valid}Writable.prototype.write=function(chunk,encoding,cb){var state=this._writableState;var ret=false;var isBuf=_isUint8Array(chunk)&&!state.objectMode;if(isBuf&&!Buffer.isBuffer(chunk)){chunk=_uint8ArrayToBuffer(chunk)}if(typeof encoding==="function"){cb=encoding;encoding=null}if(isBuf)encoding="buffer";else if(!encoding)encoding=state.defaultEncoding;if(typeof cb!=="function")cb=nop;if(state.ended)writeAfterEnd(this,cb);else if(isBuf||validChunk(this,state,chunk,cb)){state.pendingcb++;ret=writeOrBuffer(this,state,isBuf,chunk,encoding,cb)}return ret};Writable.prototype.cork=function(){var state=this._writableState;state.corked++};Writable.prototype.uncork=function(){var state=this._writableState;if(state.corked){state.corked--;if(!state.writing&&!state.corked&&!state.finished&&!state.bufferProcessing&&state.bufferedRequest)clearBuffer(this,state)}};Writable.prototype.setDefaultEncoding=function setDefaultEncoding(encoding){if(typeof encoding==="string")encoding=encoding.toLowerCase();if(!(["hex","utf8","utf-8","ascii","binary","base64","ucs2","ucs-2","utf16le","utf-16le","raw"].indexOf((encoding+"").toLowerCase())>-1))throw new TypeError("Unknown encoding: "+encoding);this._writableState.defaultEncoding=encoding;return this};function decodeChunk(state,chunk,encoding){if(!state.objectMode&&state.decodeStrings!==false&&typeof chunk==="string"){chunk=Buffer.from(chunk,encoding)}return chunk}function writeOrBuffer(stream,state,isBuf,chunk,encoding,cb){if(!isBuf){var newChunk=decodeChunk(state,chunk,encoding);if(chunk!==newChunk){isBuf=true;encoding="buffer";chunk=newChunk}}var len=state.objectMode?1:chunk.length;state.length+=len;var ret=state.length<state.highWaterMark;if(!ret)state.needDrain=true;if(state.writing||state.corked){var last=state.lastBufferedRequest;state.lastBufferedRequest={chunk:chunk,encoding:encoding,isBuf:isBuf,callback:cb,next:null};if(last){last.next=state.lastBufferedRequest}else{state.bufferedRequest=state.lastBufferedRequest}state.bufferedRequestCount+=1}else{doWrite(stream,state,false,len,chunk,encoding,cb)}return ret}function doWrite(stream,state,writev,len,chunk,encoding,cb){state.writelen=len;state.writecb=cb;state.writing=true;state.sync=true;if(writev)stream._writev(chunk,state.onwrite);else stream._write(chunk,encoding,state.onwrite);state.sync=false}function onwriteError(stream,state,sync,er,cb){--state.pendingcb;if(sync){processNextTick(cb,er);processNextTick(finishMaybe,stream,state);stream._writableState.errorEmitted=true;stream.emit("error",er)}else{cb(er);stream._writableState.errorEmitted=true;stream.emit("error",er);finishMaybe(stream,state)}}function onwriteStateUpdate(state){state.writing=false;state.writecb=null;state.length-=state.writelen;state.writelen=0}function onwrite(stream,er){var state=stream._writableState;var sync=state.sync;var cb=state.writecb;onwriteStateUpdate(state);if(er)onwriteError(stream,state,sync,er,cb);else{var finished=needFinish(state);if(!finished&&!state.corked&&!state.bufferProcessing&&state.bufferedRequest){clearBuffer(stream,state)}if(sync){asyncWrite(afterWrite,stream,state,finished,cb)}else{afterWrite(stream,state,finished,cb)}}}function afterWrite(stream,state,finished,cb){if(!finished)onwriteDrain(stream,state);state.pendingcb--;cb();finishMaybe(stream,state)}function onwriteDrain(stream,state){if(state.length===0&&state.needDrain){state.needDrain=false;stream.emit("drain")}}function clearBuffer(stream,state){state.bufferProcessing=true;var entry=state.bufferedRequest;if(stream._writev&&entry&&entry.next){var l=state.bufferedRequestCount;var buffer=new Array(l);var holder=state.corkedRequestsFree;holder.entry=entry;var count=0;var allBuffers=true;while(entry){buffer[count]=entry;if(!entry.isBuf)allBuffers=false;entry=entry.next;count+=1}buffer.allBuffers=allBuffers;doWrite(stream,state,true,state.length,buffer,"",holder.finish);state.pendingcb++;state.lastBufferedRequest=null;if(holder.next){state.corkedRequestsFree=holder.next;holder.next=null}else{state.corkedRequestsFree=new CorkedRequest(state)}}else{while(entry){var chunk=entry.chunk;var encoding=entry.encoding;var cb=entry.callback;var len=state.objectMode?1:chunk.length;doWrite(stream,state,false,len,chunk,encoding,cb);entry=entry.next;if(state.writing){break}}if(entry===null)state.lastBufferedRequest=null}state.bufferedRequestCount=0;state.bufferedRequest=entry;state.bufferProcessing=false}Writable.prototype._write=function(chunk,encoding,cb){cb(new Error("_write() is not implemented"))};Writable.prototype._writev=null;Writable.prototype.end=function(chunk,encoding,cb){var state=this._writableState;if(typeof chunk==="function"){cb=chunk;chunk=null;encoding=null}else if(typeof encoding==="function"){cb=encoding;encoding=null}if(chunk!==null&&chunk!==undefined)this.write(chunk,encoding);if(state.corked){state.corked=1;this.uncork()}if(!state.ending&&!state.finished)endWritable(this,state,cb)};function needFinish(state){return state.ending&&state.length===0&&state.bufferedRequest===null&&!state.finished&&!state.writing}function callFinal(stream,state){stream._final(function(err){state.pendingcb--;if(err){stream.emit("error",err)}state.prefinished=true;stream.emit("prefinish");finishMaybe(stream,state)})}function prefinish(stream,state){if(!state.prefinished&&!state.finalCalled){if(typeof stream._final==="function"){state.pendingcb++;state.finalCalled=true;processNextTick(callFinal,stream,state)}else{state.prefinished=true;stream.emit("prefinish")}}}function finishMaybe(stream,state){var need=needFinish(state);if(need){prefinish(stream,state);if(state.pendingcb===0){state.finished=true;stream.emit("finish")}}return need}function endWritable(stream,state,cb){state.ending=true;finishMaybe(stream,state);if(cb){if(state.finished)processNextTick(cb);else stream.once("finish",cb)}state.ended=true;stream.writable=false}function onCorkedFinish(corkReq,state,err){var entry=corkReq.entry;corkReq.entry=null;while(entry){var cb=entry.callback;state.pendingcb--;cb(err);entry=entry.next}if(state.corkedRequestsFree){state.corkedRequestsFree.next=corkReq}else{state.corkedRequestsFree=corkReq}}Object.defineProperty(Writable.prototype,"destroyed",{get:function(){if(this._writableState===undefined){return false}return this._writableState.destroyed},set:function(value){if(!this._writableState){return}this._writableState.destroyed=value}});Writable.prototype.destroy=destroyImpl.destroy;Writable.prototype._undestroy=destroyImpl.undestroy;Writable.prototype._destroy=function(err,cb){this.end();cb(err)}}).call(this,require("_process"))},{"./_stream_duplex":85,"./internal/streams/destroy":91,"./internal/streams/stream":92,_process:73,"core-util-is":9,inherits:26,"process-nextick-args":72,"safe-buffer":80,"util-deprecate":101}],90:[function(require,module,exports){"use strict";function _classCallCheck(instance,Constructor){if(!(instance instanceof Constructor)){throw new TypeError("Cannot call a class as a function")}}var Buffer=require("safe-buffer").Buffer;function copyBuffer(src,target,offset){src.copy(target,offset)}module.exports=function(){function BufferList(){_classCallCheck(this,BufferList);this.head=null;this.tail=null;this.length=0}BufferList.prototype.push=function push(v){var entry={data:v,next:null};if(this.length>0)this.tail.next=entry;else this.head=entry;this.tail=entry;++this.length};BufferList.prototype.unshift=function unshift(v){var entry={data:v,next:this.head};if(this.length===0)this.tail=entry;this.head=entry;++this.length};BufferList.prototype.shift=function shift(){if(this.length===0)return;var ret=this.head.data;if(this.length===1)this.head=this.tail=null;else this.head=this.head.next;--this.length;return ret};BufferList.prototype.clear=function clear(){this.head=this.tail=null;this.length=0};BufferList.prototype.join=function join(s){if(this.length===0)return"";var p=this.head;var ret=""+p.data;while(p=p.next){ret+=s+p.data}return ret};BufferList.prototype.concat=function concat(n){if(this.length===0)return Buffer.alloc(0);if(this.length===1)return this.head.data;var ret=Buffer.allocUnsafe(n>>>0);var p=this.head;var i=0;while(p){copyBuffer(p.data,ret,i);i+=p.data.length;p=p.next}return ret};return BufferList}()},{"safe-buffer":80}],91:[function(require,module,exports){"use strict";var processNextTick=require("process-nextick-args");function destroy(err,cb){var _this=this;var readableDestroyed=this._readableState&&this._readableState.destroyed;var writableDestroyed=this._writableState&&this._writableState.destroyed;if(readableDestroyed||writableDestroyed){if(cb){cb(err)}else if(err&&(!this._writableState||!this._writableState.errorEmitted)){processNextTick(emitErrorNT,this,err)}return}if(this._readableState){this._readableState.destroyed=true}if(this._writableState){this._writableState.destroyed=true}this._destroy(err||null,function(err){if(!cb&&err){processNextTick(emitErrorNT,_this,err);if(_this._writableState){_this._writableState.errorEmitted=true}}else if(cb){cb(err)}})}function undestroy(){if(this._readableState){this._readableState.destroyed=false;this._readableState.reading=false;this._readableState.ended=false;this._readableState.endEmitted=false}if(this._writableState){this._writableState.destroyed=false;this._writableState.ended=false;this._writableState.ending=false;this._writableState.finished=false;this._writableState.errorEmitted=false}}function emitErrorNT(self,err){self.emit("error",err)}module.exports={destroy:destroy,undestroy:undestroy}},{"process-nextick-args":72}],92:[function(require,module,exports){module.exports=require("events").EventEmitter},{events:14}],93:[function(require,module,exports){module.exports=require("./readable").PassThrough},{"./readable":94}],94:[function(require,module,exports){exports=module.exports=require("./lib/_stream_readable.js");exports.Stream=exports;exports.Readable=exports;exports.Writable=require("./lib/_stream_writable.js");exports.Duplex=require("./lib/_stream_duplex.js");exports.Transform=require("./lib/_stream_transform.js");exports.PassThrough=require("./lib/_stream_passthrough.js")},{"./lib/_stream_duplex.js":85,"./lib/_stream_passthrough.js":86,"./lib/_stream_readable.js":87,"./lib/_stream_transform.js":88,"./lib/_stream_writable.js":89}],95:[function(require,module,exports){module.exports=require("./readable").Transform},{"./readable":94}],96:[function(require,module,exports){module.exports=require("./lib/_stream_writable.js")},{"./lib/_stream_writable.js":89}],97:[function(require,module,exports){"use strict";var Buffer=require("safe-buffer").Buffer;var isEncoding=Buffer.isEncoding||function(encoding){encoding=""+encoding;switch(encoding&&encoding.toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"binary":case"base64":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":case"raw":return true;default:return false}};function _normalizeEncoding(enc){if(!enc)return"utf8";var retried;while(true){switch(enc){case"utf8":case"utf-8":return"utf8";case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return"utf16le";case"latin1":case"binary":return"latin1";case"base64":case"ascii":case"hex":return enc;default:if(retried)return;enc=(""+enc).toLowerCase();retried=true}}}function normalizeEncoding(enc){var nenc=_normalizeEncoding(enc);if(typeof nenc!=="string"&&(Buffer.isEncoding===isEncoding||!isEncoding(enc)))throw new Error("Unknown encoding: "+enc);return nenc||enc}exports.StringDecoder=StringDecoder;function StringDecoder(encoding){this.encoding=normalizeEncoding(encoding);var nb;switch(this.encoding){case"utf16le":this.text=utf16Text;this.end=utf16End;nb=4;break;case"utf8":this.fillLast=utf8FillLast;nb=4;break;case"base64":this.text=base64Text;this.end=base64End;nb=3;break;default:this.write=simpleWrite;this.end=simpleEnd;return}this.lastNeed=0;this.lastTotal=0;this.lastChar=Buffer.allocUnsafe(nb)}StringDecoder.prototype.write=function(buf){if(buf.length===0)return"";var r;var i;if(this.lastNeed){r=this.fillLast(buf);if(r===undefined)return"";i=this.lastNeed;this.lastNeed=0}else{i=0}if(i<buf.length)return r?r+this.text(buf,i):this.text(buf,i);return r||""};StringDecoder.prototype.end=utf8End;StringDecoder.prototype.text=utf8Text;StringDecoder.prototype.fillLast=function(buf){if(this.lastNeed<=buf.length){buf.copy(this.lastChar,this.lastTotal-this.lastNeed,0,this.lastNeed);return this.lastChar.toString(this.encoding,0,this.lastTotal)}buf.copy(this.lastChar,this.lastTotal-this.lastNeed,0,buf.length);this.lastNeed-=buf.length};function utf8CheckByte(byte){if(byte<=127)return 0;else if(byte>>5===6)return 2;else if(byte>>4===14)return 3;else if(byte>>3===30)return 4;return-1}function utf8CheckIncomplete(self,buf,i){var j=buf.length-1;if(j<i)return 0;var nb=utf8CheckByte(buf[j]);if(nb>=0){if(nb>0)self.lastNeed=nb-1;return nb}if(--j<i)return 0;nb=utf8CheckByte(buf[j]);if(nb>=0){if(nb>0)self.lastNeed=nb-2;return nb}if(--j<i)return 0;nb=utf8CheckByte(buf[j]);if(nb>=0){if(nb>0){if(nb===2)nb=0;else self.lastNeed=nb-3}return nb}return 0}function utf8CheckExtraBytes(self,buf,p){if((buf[0]&192)!==128){self.lastNeed=0;return"�".repeat(p)}if(self.lastNeed>1&&buf.length>1){if((buf[1]&192)!==128){self.lastNeed=1;return"�".repeat(p+1)}if(self.lastNeed>2&&buf.length>2){if((buf[2]&192)!==128){self.lastNeed=2;return"�".repeat(p+2)}}}}function utf8FillLast(buf){var p=this.lastTotal-this.lastNeed;var r=utf8CheckExtraBytes(this,buf,p);if(r!==undefined)return r;if(this.lastNeed<=buf.length){buf.copy(this.lastChar,p,0,this.lastNeed);return this.lastChar.toString(this.encoding,0,this.lastTotal)}buf.copy(this.lastChar,p,0,buf.length);this.lastNeed-=buf.length}function utf8Text(buf,i){var total=utf8CheckIncomplete(this,buf,i);if(!this.lastNeed)return buf.toString("utf8",i);this.lastTotal=total;var end=buf.length-(total-this.lastNeed);buf.copy(this.lastChar,0,end);return buf.toString("utf8",i,end)}function utf8End(buf){var r=buf&&buf.length?this.write(buf):"";if(this.lastNeed)return r+"�".repeat(this.lastTotal-this.lastNeed);return r}function utf16Text(buf,i){if((buf.length-i)%2===0){var r=buf.toString("utf16le",i);if(r){var c=r.charCodeAt(r.length-1);if(c>=55296&&c<=56319){this.lastNeed=2;this.lastTotal=4;this.lastChar[0]=buf[buf.length-2];this.lastChar[1]=buf[buf.length-1];return r.slice(0,-1)}}return r}this.lastNeed=1;this.lastTotal=2;this.lastChar[0]=buf[buf.length-1];return buf.toString("utf16le",i,buf.length-1)}function utf16End(buf){var r=buf&&buf.length?this.write(buf):"";if(this.lastNeed){var end=this.lastTotal-this.lastNeed;return r+this.lastChar.toString("utf16le",0,end)}return r}function base64Text(buf,i){var n=(buf.length-i)%3;if(n===0)return buf.toString("base64",i);this.lastNeed=3-n;this.lastTotal=3;if(n===1){this.lastChar[0]=buf[buf.length-1]}else{this.lastChar[0]=buf[buf.length-2];this.lastChar[1]=buf[buf.length-1]}return buf.toString("base64",i,buf.length-n)}function base64End(buf){var r=buf&&buf.length?this.write(buf):"";if(this.lastNeed)return r+this.lastChar.toString("base64",0,3-this.lastNeed);return r}function simpleWrite(buf){return buf.toString(this.encoding)}function simpleEnd(buf){return buf&&buf.length?this.write(buf):""}},{"safe-buffer":80}],98:[function(require,module,exports){var Buffer=require("buffer").Buffer;var isBufferEncoding=Buffer.isEncoding||function(encoding){switch(encoding&&encoding.toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"binary":case"base64":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":case"raw":return true;default:return false}};function assertEncoding(encoding){if(encoding&&!isBufferEncoding(encoding)){throw new Error("Unknown encoding: "+encoding)}}var StringDecoder=exports.StringDecoder=function(encoding){this.encoding=(encoding||"utf8").toLowerCase().replace(/[-_]/,"");assertEncoding(encoding);switch(this.encoding){case"utf8":this.surrogateSize=3;break;case"ucs2":case"utf16le":this.surrogateSize=2;this.detectIncompleteChar=utf16DetectIncompleteChar;break;case"base64":this.surrogateSize=3;this.detectIncompleteChar=base64DetectIncompleteChar;break;default:this.write=passThroughWrite;return}this.charBuffer=new Buffer(6);this.charReceived=0;this.charLength=0};StringDecoder.prototype.write=function(buffer){var charStr="";while(this.charLength){var available=buffer.length>=this.charLength-this.charReceived?this.charLength-this.charReceived:buffer.length;buffer.copy(this.charBuffer,this.charReceived,0,available);this.charReceived+=available;if(this.charReceived<this.charLength){return""}buffer=buffer.slice(available,buffer.length);charStr=this.charBuffer.slice(0,this.charLength).toString(this.encoding);var charCode=charStr.charCodeAt(charStr.length-1);if(charCode>=55296&&charCode<=56319){this.charLength+=this.surrogateSize;charStr="";continue}this.charReceived=this.charLength=0;if(buffer.length===0){return charStr}break}this.detectIncompleteChar(buffer);var end=buffer.length;if(this.charLength){buffer.copy(this.charBuffer,0,buffer.length-this.charReceived,end);end-=this.charReceived}charStr+=buffer.toString(this.encoding,0,end);var end=charStr.length-1;var charCode=charStr.charCodeAt(end);if(charCode>=55296&&charCode<=56319){var size=this.surrogateSize;this.charLength+=size;this.charReceived+=size;this.charBuffer.copy(this.charBuffer,size,0,size);buffer.copy(this.charBuffer,0,0,size);return charStr.substring(0,end)}return charStr};StringDecoder.prototype.detectIncompleteChar=function(buffer){var i=buffer.length>=3?3:buffer.length;for(;i>0;i--){var c=buffer[buffer.length-i];if(i==1&&c>>5==6){this.charLength=2;break}if(i<=2&&c>>4==14){this.charLength=3;break}if(i<=3&&c>>3==30){this.charLength=4;break}}this.charReceived=i};StringDecoder.prototype.end=function(buffer){var res="";if(buffer&&buffer.length)res=this.write(buffer);if(this.charReceived){var cr=this.charReceived;var buf=this.charBuffer;var enc=this.encoding;res+=buf.slice(0,cr).toString(enc)}return res};function passThroughWrite(buffer){return buffer.toString(this.encoding)}function utf16DetectIncompleteChar(buffer){this.charReceived=buffer.length%2;this.charLength=this.charReceived?2:0}function base64DetectIncompleteChar(buffer){this.charReceived=buffer.length%3;this.charLength=this.charReceived?3:0}},{buffer:7}],99:[function(require,module,exports){(function(process){var Stream=require("stream");exports=module.exports=through;through.through=through;function through(write,end,opts){write=write||function(data){this.queue(data)};end=end||function(){this.queue(null)};var ended=false,destroyed=false,buffer=[],_ended=false;var stream=new Stream;stream.readable=stream.writable=true;stream.paused=false;stream.autoDestroy=!(opts&&opts.autoDestroy===false);stream.write=function(data){write.call(this,data);return!stream.paused};function drain(){while(buffer.length&&!stream.paused){var data=buffer.shift();if(null===data)return stream.emit("end");else stream.emit("data",data)}}stream.queue=stream.push=function(data){if(_ended)return stream;if(data===null)_ended=true;buffer.push(data);drain();return stream};stream.on("end",function(){stream.readable=false;if(!stream.writable&&stream.autoDestroy)process.nextTick(function(){stream.destroy()})});function _end(){stream.writable=false;end.call(stream);if(!stream.readable&&stream.autoDestroy)stream.destroy()}stream.end=function(data){if(ended)return;ended=true;if(arguments.length)stream.write(data);_end();return stream};stream.destroy=function(){if(destroyed)return;destroyed=true;ended=true;buffer.length=0;stream.writable=stream.readable=false;stream.emit("close");return stream};stream.pause=function(){if(stream.paused)return;stream.paused=true;return stream};stream.resume=function(){if(stream.paused){stream.paused=false;stream.emit("resume")}drain();if(!stream.paused)stream.emit("drain");return stream};return stream}}).call(this,require("_process"))},{_process:73,stream:82}],100:[function(require,module,exports){"use strict";function unique_pred(list,compare){var ptr=1,len=list.length,a=list[0],b=list[0];for(var i=1;i<len;++i){b=a;a=list[i];if(compare(a,b)){if(i===ptr){ptr++;continue}list[ptr++]=a}}list.length=ptr;return list}function unique_eq(list){var ptr=1,len=list.length,a=list[0],b=list[0];for(var i=1;i<len;++i,b=a){b=a;a=list[i];if(a!==b){if(i===ptr){ptr++;continue}list[ptr++]=a}}list.length=ptr;return list}function unique(list,compare,sorted){if(list.length===0){return list}if(compare){if(!sorted){list.sort(compare)}return unique_pred(list,compare)}if(!sorted){list.sort()}return unique_eq(list)}module.exports=unique},{}],101:[function(require,module,exports){(function(global){module.exports=deprecate;function deprecate(fn,msg){if(config("noDeprecation")){return fn}var warned=false;function deprecated(){if(!warned){if(config("throwDeprecation")){throw new Error(msg)}else if(config("traceDeprecation")){console.trace(msg)}else{console.warn(msg)}warned=true}return fn.apply(this,arguments)}return deprecated}function config(name){try{if(!global.localStorage)return false}catch(_){return false}var val=global.localStorage[name];if(null==val)return false;return String(val).toLowerCase()==="true"}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{}],102:[function(require,module,exports){arguments[4][26][0].apply(exports,arguments)},{dup:26}],103:[function(require,module,exports){module.exports=function isBuffer(arg){return arg&&typeof arg==="object"&&typeof arg.copy==="function"&&typeof arg.fill==="function"&&typeof arg.readUInt8==="function"}},{}],104:[function(require,module,exports){(function(process,global){var formatRegExp=/%[sdj%]/g;exports.format=function(f){if(!isString(f)){var objects=[];for(var i=0;i<arguments.length;i++){objects.push(inspect(arguments[i]))}return objects.join(" ")}var i=1;var args=arguments;var len=args.length;var 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}});for(var x=args[i];i<len;x=args[++i]){if(isNull(x)||!isObject(x)){str+=" "+x}else{str+=" "+inspect(x)}}return str};exports.deprecate=function(fn,msg){if(isUndefined(global.process)){return function(){return exports.deprecate(fn,msg).apply(this,arguments)}}if(process.noDeprecation===true){return fn}var warned=false;function deprecated(){if(!warned){if(process.throwDeprecation){throw new Error(msg)}else if(process.traceDeprecation){console.trace(msg)}else{console.error(msg)}warned=true}return fn.apply(this,arguments)}return deprecated};var debugs={};var debugEnviron;exports.debuglog=function(set){if(isUndefined(debugEnviron))debugEnviron=process.env.NODE_DEBUG||"";set=set.toUpperCase();if(!debugs[set]){if(new RegExp("\\b"+set+"\\b","i").test(debugEnviron)){var pid=process.pid;debugs[set]=function(){var msg=exports.format.apply(exports,arguments);console.error("%s %d: %s",set,pid,msg)}}else{debugs[set]=function(){}}}return debugs[set]};function inspect(obj,opts){var ctx={seen:[],stylize:stylizeNoColor};if(arguments.length>=3)ctx.depth=arguments[2];if(arguments.length>=4)ctx.colors=arguments[3];if(isBoolean(opts)){ctx.showHidden=opts}else if(opts){exports._extend(ctx,opts)}if(isUndefined(ctx.showHidden))ctx.showHidden=false;if(isUndefined(ctx.depth))ctx.depth=2;if(isUndefined(ctx.colors))ctx.colors=false;if(isUndefined(ctx.customInspect))ctx.customInspect=true;if(ctx.colors)ctx.stylize=stylizeWithColor;return formatValue(ctx,obj,ctx.depth)}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"};function stylizeWithColor(str,styleType){var style=inspect.styles[styleType];if(style){return"["+inspect.colors[style][0]+"m"+str+"["+inspect.colors[style][1]+"m"}else{return str}}function stylizeNoColor(str,styleType){return str}function arrayToHash(array){var hash={};array.forEach(function(val,idx){hash[val]=true});return 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);if(!isString(ret)){ret=formatValue(ctx,ret,recurseTimes)}return ret}var primitive=formatPrimitive(ctx,value);if(primitive){return primitive}var keys=Object.keys(value);var visibleKeys=arrayToHash(keys);if(ctx.showHidden){keys=Object.getOwnPropertyNames(value)}if(isError(value)&&(keys.indexOf("message")>=0||keys.indexOf("description")>=0)){return formatError(value)}if(keys.length===0){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)}}var base="",array=false,braces=["{","}"];if(isArray(value)){array=true;braces=["[","]"]}if(isFunction(value)){var n=value.name?": "+value.name:"";base=" [Function"+n+"]"}if(isRegExp(value)){base=" "+RegExp.prototype.toString.call(value)}if(isDate(value)){base=" "+Date.prototype.toUTCString.call(value)}if(isError(value)){base=" "+formatError(value)}if(keys.length===0&&(!array||value.length==0)){return braces[0]+base+braces[1]}if(recurseTimes<0){if(isRegExp(value)){return ctx.stylize(RegExp.prototype.toString.call(value),"regexp")}else{return ctx.stylize("[Object]","special")}}ctx.seen.push(value);var output;if(array){output=formatArray(ctx,value,recurseTimes,visibleKeys,keys)}else{output=keys.map(function(key){return formatProperty(ctx,value,recurseTimes,visibleKeys,key,array)})}ctx.seen.pop();return 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(/^"|"$/g,"").replace(/'/g,"\\'").replace(/\\"/g,'"')+"'";return ctx.stylize(simple,"string")}if(isNumber(value))return ctx.stylize(""+value,"number");if(isBoolean(value))return ctx.stylize(""+value,"boolean");if(isNull(value))return ctx.stylize("null","null")}function formatError(value){return"["+Error.prototype.toString.call(value)+"]"}function formatArray(ctx,value,recurseTimes,visibleKeys,keys){var output=[];for(var i=0,l=value.length;i<l;++i){if(hasOwnProperty(value,String(i))){output.push(formatProperty(ctx,value,recurseTimes,visibleKeys,String(i),true))}else{output.push("")}}keys.forEach(function(key){if(!key.match(/^\d+$/)){output.push(formatProperty(ctx,value,recurseTimes,visibleKeys,key,true))}});return output}function formatProperty(ctx,value,recurseTimes,visibleKeys,key,array){var name,str,desc;desc=Object.getOwnPropertyDescriptor(value,key)||{value:value[key]};if(desc.get){if(desc.set){str=ctx.stylize("[Getter/Setter]","special")}else{str=ctx.stylize("[Getter]","special")}}else{if(desc.set){str=ctx.stylize("[Setter]","special")}}if(!hasOwnProperty(visibleKeys,key)){name="["+key+"]"}if(!str){if(ctx.seen.indexOf(desc.value)<0){if(isNull(recurseTimes)){str=formatValue(ctx,desc.value,null)}else{str=formatValue(ctx,desc.value,recurseTimes-1)}if(str.indexOf("\n")>-1){if(array){str=str.split("\n").map(function(line){return" "+line}).join("\n").substr(2)}else{str="\n"+str.split("\n").map(function(line){return" "+line}).join("\n")}}}else{str=ctx.stylize("[Circular]","special")}}if(isUndefined(name)){if(array&&key.match(/^\d+$/)){return str}name=JSON.stringify(""+key);if(name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)){name=name.substr(1,name.length-2);name=ctx.stylize(name,"name")}else{name=name.replace(/'/g,"\\'").replace(/\\"/g,'"').replace(/(^"|"$)/g,"'");name=ctx.stylize(name,"string")}}return name+": "+str}function reduceToSingleString(output,base,braces){var numLinesEst=0;var length=output.reduce(function(prev,cur){numLinesEst++;if(cur.indexOf("\n")>=0)numLinesEst++;return prev+cur.replace(/\u001b\[\d\d?m/g,"").length+1},0);if(length>60){return braces[0]+(base===""?"":base+"\n ")+" "+output.join(",\n ")+" "+braces[1]}return braces[0]+base+" "+output.join(", ")+" "+braces[1]}function isArray(ar){return Array.isArray(ar)}exports.isArray=isArray;function isBoolean(arg){return typeof arg==="boolean"}exports.isBoolean=isBoolean;function isNull(arg){return arg===null}exports.isNull=isNull;function isNullOrUndefined(arg){return arg==null}exports.isNullOrUndefined=isNullOrUndefined;function isNumber(arg){return typeof arg==="number"}exports.isNumber=isNumber;function isString(arg){return typeof arg==="string"}exports.isString=isString;function isSymbol(arg){return typeof arg==="symbol"}exports.isSymbol=isSymbol;function isUndefined(arg){return arg===void 0}exports.isUndefined=isUndefined;function isRegExp(re){return isObject(re)&&objectToString(re)==="[object RegExp]"}exports.isRegExp=isRegExp;function isObject(arg){return typeof arg==="object"&&arg!==null}exports.isObject=isObject;function isDate(d){return isObject(d)&&objectToString(d)==="[object Date]"}exports.isDate=isDate;function isError(e){return isObject(e)&&(objectToString(e)==="[object Error]"||e instanceof Error)}exports.isError=isError;function isFunction(arg){return typeof arg==="function"}exports.isFunction=isFunction;function isPrimitive(arg){return arg===null||typeof arg==="boolean"||typeof arg==="number"||typeof arg==="string"||typeof arg==="symbol"||typeof arg==="undefined"}exports.isPrimitive=isPrimitive;exports.isBuffer=require("./support/isBuffer");function objectToString(o){return Object.prototype.toString.call(o)}function pad(n){return n<10?"0"+n.toString(10):n.toString(10)}var months=["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];function timestamp(){var d=new Date;var time=[pad(d.getHours()),pad(d.getMinutes()),pad(d.getSeconds())].join(":");return[d.getDate(),months[d.getMonth()],time].join(" ")}exports.log=function(){console.log("%s - %s",timestamp(),exports.format.apply(exports,arguments))};exports.inherits=require("inherits");exports._extend=function(origin,add){if(!add||!isObject(add))return origin;var keys=Object.keys(add);var i=keys.length;while(i--){origin[keys[i]]=add[keys[i]]}return origin};function hasOwnProperty(obj,prop){return Object.prototype.hasOwnProperty.call(obj,prop)}}).call(this,require("_process"),typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"./support/isBuffer":103,_process:73,inherits:102}]},{},[1])(1)});
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