|
|
(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){(function(process){function AbstractChainedBatch(db){this._db=db;this._operations=[];this._written=false}AbstractChainedBatch.prototype._checkWritten=function(){if(this._written)throw new Error("write() already called on this batch")};AbstractChainedBatch.prototype.put=function(key,value){this._checkWritten();var err=this._db._checkKeyValue(key,"key",this._db._isBuffer);if(err)throw err;err=this._db._checkKeyValue(value,"value",this._db._isBuffer);if(err)throw err;if(!this._db._isBuffer(key))key=String(key);if(!this._db._isBuffer(value))value=String(value);if(typeof this._put=="function")this._put(key,value);else this._operations.push({type:"put",key:key,value:value});return this};AbstractChainedBatch.prototype.del=function(key){this._checkWritten();var err=this._db._checkKeyValue(key,"key",this._db._isBuffer);if(err)throw err;if(!this._db._isBuffer(key))key=String(key);if(typeof this._del=="function")this._del(key);else this._operations.push({type:"del",key:key});return this};AbstractChainedBatch.prototype.clear=function(){this._checkWritten();this._operations=[];if(typeof this._clear=="function")this._clear();return this};AbstractChainedBatch.prototype.write=function(options,callback){this._checkWritten();if(typeof options=="function")callback=options;if(typeof callback!="function")throw new Error("write() requires a callback argument");if(typeof options!="object")options={};this._written=true;if(typeof this._write=="function")return this._write(callback);if(typeof this._db._batch=="function")return this._db._batch(this._operations,options,callback);process.nextTick(callback)};module.exports=AbstractChainedBatch}).call(this,require("_process"))},{_process:31}],2:[function(require,module,exports){(function(process){function AbstractIterator(db){this.db=db;this._ended=false;this._nexting=false}AbstractIterator.prototype.next=function(callback){var self=this;if(typeof callback!="function")throw new Error("next() requires a callback argument");if(self._ended)return callback(new Error("cannot call next() after end()"));if(self._nexting)return callback(new Error("cannot call next() before previous next() has completed"));self._nexting=true;if(typeof self._next=="function"){return self._next(function(){self._nexting=false;callback.apply(null,arguments)})}process.nextTick(function(){self._nexting=false;callback()})};AbstractIterator.prototype.end=function(callback){if(typeof callback!="function")throw new Error("end() requires a callback argument");if(this._ended)return callback(new Error("end() already called on iterator"));this._ended=true;if(typeof this._end=="function")return this._end(callback);process.nextTick(callback)};module.exports=AbstractIterator}).call(this,require("_process"))},{_process:31}],3:[function(require,module,exports){(function(Buffer,process){var xtend=require("xtend"),AbstractIterator=require("./abstract-iterator"),AbstractChainedBatch=require("./abstract-chained-batch");function AbstractLevelDOWN(location){if(!arguments.length||location===undefined)throw new Error("constructor requires at least a location argument");if(typeof location!="string")throw new Error("constructor requires a location string argument");this.location=location}AbstractLevelDOWN.prototype.open=function(options,callback){if(typeof options=="function")callback=options;if(typeof callback!="function")throw new Error("open() requires a callback argument");if(typeof options!="object")options={};if(typeof this._open=="function")return this._open(options,callback);process.nextTick(callback)};AbstractLevelDOWN.prototype.close=function(callback){if(typeof callback!="function")throw new Error("close() requires a callback argument");if(typeof this._close=="function")return this._close(callback);process.nextTick(callback)};AbstractLevelDOWN.prototype.get=function(key,options,callback){var err;if(typeof options=="function")callback=options;if(typeof callback!="function")throw new Error("get() requires a callback argument");if(err=this._checkKeyValue(key,"key",this._isBuffer))return callback(err);if(!this._isBuffer(key))key=String(key);if(typeof options!="object")options={};if(typeof this._get=="function")return this._get(key,options,callback);process.nextTick(function(){callback(new Error("NotFound"))})};AbstractLevelDOWN.prototype.put=function(key,value,options,callback){var err;if(typeof options=="function")callback=options;if(typeof callback!="function")throw new Error("put() requires a callback argument");if(err=this._checkKeyValue(key,"key",this._isBuffer))return callback(err);if(err=this._checkKeyValue(value,"value",this._isBuffer))return callback(err);if(!this._isBuffer(key))key=String(key);if(!this._isBuffer(value)&&!process.browser)value=String(value);if(typeof options!="object")options={};if(typeof this._put=="function")return this._put(key,value,options,callback);process.nextTick(callback)};AbstractLevelDOWN.prototype.del=function(key,options,callback){var err;if(typeof options=="function")callback=options;if(typeof callback!="function")throw new Error("del() requires a callback argument");if(err=this._checkKeyValue(key,"key",this._isBuffer))return callback(err);if(!this._isBuffer(key))key=String(key);if(typeof options!="object")options={};if(typeof this._del=="function")return this._del(key,options,callback);process.nextTick(callback)};AbstractLevelDOWN.prototype.batch=function(array,options,callback){if(!arguments.length)return this._chainedBatch();if(typeof options=="function")callback=options;if(typeof callback!="function")throw new Error("batch(array) requires a callback argument");if(!Array.isArray(array))return callback(new Error("batch(array) requires an array argument"));if(typeof options!="object")options={};var i=0,l=array.length,e,err;for(;i<l;i++){e=array[i];if(typeof e!="object")continue;if(err=this._checkKeyValue(e.type,"type",this._isBuffer))return callback(err);if(err=this._checkKeyValue(e.key,"key",this._isBuffer))return callback(err);if(e.type=="put"){if(err=this._checkKeyValue(e.value,"value",this._isBuffer))return callback(err)}}if(typeof this._batch=="function")return this._batch(array,options,callback);process.nextTick(callback)};AbstractLevelDOWN.prototype.approximateSize=function(start,end,callback){if(start==null||end==null||typeof start=="function"||typeof end=="function"){throw new Error("approximateSize() requires valid `start`, `end` and `callback` arguments")}if(typeof callback!="function")throw new Error("approximateSize() requires a callback argument");if(!this._isBuffer(start))start=String(start);if(!this._isBuffer(end))end=String(end);if(typeof this._approximateSize=="function")return this._approximateSize(start,end,callback);process.nextTick(function(){callback(null,0)})};AbstractLevelDOWN.prototype._setupIteratorOptions=function(options){var self=this;options=xtend(options);["start","end","gt","gte","lt","lte"].forEach(function(o){if(options[o]&&self._isBuffer(options[o])&&options[o].length===0)delete options[o]});options.reverse=!!options.reverse;if(options.reverse&&options.lt)options.start=options.lt;if(options.reverse&&options.lte)options.start=options.lte;if(!options.reverse&&options.gt)options.start=options.gt;if(!options.reverse&&options.gte)options.start=options.gte;if(options.reverse&&options.lt&&!options.lte||!options.reverse&&options.gt&&!options.gte)options.exclusiveStart=true;return options};AbstractLevelDOWN.prototype.iterator=function(options){if(typeof options!="object")options={};options=this._setupIteratorOptions(options);if(typeof this._iterator=="function")return this._iterator(options);return new AbstractIterator(this)};AbstractLevelDOWN.prototype._chainedBatch=function(){return new AbstractChainedBatch(this)};AbstractLevelDOWN.prototype._isBuffer=function(obj){return Buffer.isBuffer(obj)};AbstractLevelDOWN.prototype._checkKeyValue=function(obj,type){if(obj===null||obj===undefined)return new Error(type+" cannot be `null` or `undefined`");if(this._isBuffer(obj)){if(obj.length===0)return new Error(type+" cannot be an empty Buffer")}else if(String(obj)==="")return new Error(type+" cannot be an empty String")};module.exports.AbstractLevelDOWN=AbstractLevelDOWN;module.exports.AbstractIterator=AbstractIterator;module.exports.AbstractChainedBatch=AbstractChainedBatch}).call(this,{isBuffer:require("../is-buffer/index.js")},require("_process"))},{"../is-buffer/index.js":9,"./abstract-chained-batch":1,"./abstract-iterator":2,_process:31,xtend:4}],4:[function(require,module,exports){module.exports=extend;function extend(){var target={};for(var i=0;i<arguments.length;i++){var source=arguments[i];for(var key in source){if(source.hasOwnProperty(key)){target[key]=source[key]}}}return target}},{}],5:[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("")}},{}],6:[function(require,module,exports){(function(global){"use strict";var base64=require("base64-js");var ieee754=require("ieee754");var isArray=require("isarray");exports.Buffer=Buffer;exports.SlowBuffer=SlowBuffer;exports.INSPECT_MAX_BYTES=50;Buffer.TYPED_ARRAY_SUPPORT=global.TYPED_ARRAY_SUPPORT!==undefined?global.TYPED_ARRAY_SUPPORT:typedArraySupport();exports.kMaxLength=kMaxLength();function typedArraySupport(){try{var arr=new Uint8Array(1);arr.__proto__={__proto__:Uint8Array.prototype,foo:function(){return 42}};return arr.foo()===42&&typeof arr.subarray==="function"&&arr.subarray(1,1).byteLength===0}catch(e){return false}}function kMaxLength(){return Buffer.TYPED_ARRAY_SUPPORT?2147483647:1073741823}function createBuffer(that,length){if(kMaxLength()<length){throw new RangeError("Invalid typed array length")}if(Buffer.TYPED_ARRAY_SUPPORT){that=new Uint8Array(length);that.__proto__=Buffer.prototype}else{if(that===null){that=new Buffer(length)}that.length=length}return that}function Buffer(arg,encodingOrOffset,length){if(!Buffer.TYPED_ARRAY_SUPPORT&&!(this instanceof Buffer)){return new 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(this,arg)}return from(this,arg,encodingOrOffset,length)}Buffer.poolSize=8192;Buffer._augment=function(arr){arr.__proto__=Buffer.prototype;return arr};function from(that,value,encodingOrOffset,length){if(typeof value==="number"){throw new TypeError('"value" argument must not be a number')}if(typeof ArrayBuffer!=="undefined"&&value instanceof ArrayBuffer){return fromArrayBuffer(that,value,encodingOrOffset,length)}if(typeof value==="string"){return fromString(that,value,encodingOrOffset)}return fromObject(that,value)}Buffer.from=function(value,encodingOrOffset,length){return from(null,value,encodingOrOffset,length)};if(Buffer.TYPED_ARRAY_SUPPORT){Buffer.prototype.__proto__=Uint8Array.prototype;Buffer.__proto__=Uint8Array;if(typeof Symbol!=="undefined"&&Symbol.species&&Buffer[Symbol.species]===Buffer){Object.defineProperty(Buffer,Symbol.species,{value:null,configurable:true})}}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(that,size,fill,encoding){assertSize(size);if(size<=0){return createBuffer(that,size)}if(fill!==undefined){return typeof encoding==="string"?createBuffer(that,size).fill(fill,encoding):createBuffer(that,size).fill(fill)}return createBuffer(that,size)}Buffer.alloc=function(size,fill,encoding){return alloc(null,size,fill,encoding)};function allocUnsafe(that,size){assertSize(size);that=createBuffer(that,size<0?0:checked(size)|0);if(!Buffer.TYPED_ARRAY_SUPPORT){for(var i=0;i<size;++i){that[i]=0}}return that}Buffer.allocUnsafe=function(size){return allocUnsafe(null,size)};Buffer.allocUnsafeSlow=function(size){return allocUnsafe(null,size)};function fromString(that,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;that=createBuffer(that,length);var actual=that.write(string,encoding);if(actual!==length){that=that.slice(0,actual)}return that}function fromArrayLike(that,array){var length=array.length<0?0:checked(array.length)|0;that=createBuffer(that,length);for(var i=0;i<length;i+=1){that[i]=array[i]&255}return that}function fromArrayBuffer(that,array,byteOffset,length){array.byteLength;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")}if(byteOffset===undefined&&length===undefined){array=new Uint8Array(array)}else if(length===undefined){array=new Uint8Array(array,byteOffset)}else{array=new Uint8Array(array,byteOffset,length)}if(Buffer.TYPED_ARRAY_SUPPORT){that=array;that.__proto__=Buffer.prototype}else{that=fromArrayLike(that,array)}return that}function fromObject(that,obj){if(Buffer.isBuffer(obj)){var len=checked(obj.length)|0;that=createBuffer(that,len);if(that.length===0){return that}obj.copy(that,0,0,len);return that}if(obj){if(typeof ArrayBuffer!=="undefined"&&obj.buffer instanceof ArrayBuffer||"length"in obj){if(typeof obj.length!=="number"||isnan(obj.length)){return createBuffer(that,0)}return fromArrayLike(that,obj)}if(obj.type==="Buffer"&&isArray(obj.data)){return fromArrayLike(that,obj.data)}}throw new TypeError("First argument must be a string, Buffer, ArrayBuffer, Array, or array-like object.")}function checked(length){if(length>=kMaxLength()){throw new RangeError("Attempt to allocate Buffer larger than maximum "+"size: 0x"+kMaxLength().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)};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(!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(typeof ArrayBuffer!=="undefined"&&typeof ArrayBuffer.isView==="function"&&(ArrayBuffer.isView(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|0;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(isNaN(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(Buffer.TYPED_ARRAY_SUPPORT&&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(isNaN(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;if(Buffer.TYPED_ARRAY_SUPPORT){newBuf=this.subarray(start,end);newBuf.__proto__=Buffer.prototype}else{var sliceLen=end-start;newBuf=new Buffer(sliceLen,undefined);for(var i=0;i<sliceLen;++i){newBuf[i]=this[i+start]}}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){if(!noAssert)checkOffset(offset,1,this.length);return this[offset]};Buffer.prototype.readUInt16LE=function readUInt16LE(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);return this[offset]|this[offset+1]<<8};Buffer.prototype.readUInt16BE=function readUInt16BE(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);return this[offset]<<8|this[offset+1]};Buffer.prototype.readUInt32LE=function readUInt32LE(offset,noAssert){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){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){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){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){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){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){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){if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,true,23,4)};Buffer.prototype.readFloatBE=function readFloatBE(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,false,23,4)};Buffer.prototype.readDoubleLE=function readDoubleLE(offset,noAssert){if(!noAssert)checkOffset(offset,8,this.length);return ieee754.read(this,offset,true,52,8)};Buffer.prototype.readDoubleBE=function readDoubleBE(offset,noAssert){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);if(!Buffer.TYPED_ARRAY_SUPPORT)value=Math.floor(value);this[offset]=value&255;return offset+1};function objectWriteUInt16(buf,value,offset,littleEndian){if(value<0)value=65535+value+1;for(var i=0,j=Math.min(buf.length-offset,2);i<j;++i){buf[offset+i]=(value&255<<8*(littleEndian?i:1-i))>>>(littleEndian?i:1-i)*8}}Buffer.prototype.writeUInt16LE=function writeUInt16LE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,2,65535,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value&255;this[offset+1]=value>>>8}else{objectWriteUInt16(this,value,offset,true)}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);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>8;this[offset+1]=value&255}else{objectWriteUInt16(this,value,offset,false)}return offset+2};function objectWriteUInt32(buf,value,offset,littleEndian){if(value<0)value=4294967295+value+1;for(var i=0,j=Math.min(buf.length-offset,4);i<j;++i){buf[offset+i]=value>>>(littleEndian?i:3-i)*8&255}}Buffer.prototype.writeUInt32LE=function writeUInt32LE(value,offset,noAssert){value=+value;offset=offset|0;if(!noAssert)checkInt(this,value,offset,4,4294967295,0);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset+3]=value>>>24;this[offset+2]=value>>>16;this[offset+1]=value>>>8;this[offset]=value&255}else{objectWriteUInt32(this,value,offset,true)}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);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>24;this[offset+1]=value>>>16;this[offset+2]=value>>>8;this[offset+3]=value&255}else{objectWriteUInt32(this,value,offset,false)}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(!Buffer.TYPED_ARRAY_SUPPORT)value=Math.floor(value);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);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value&255;this[offset+1]=value>>>8}else{objectWriteUInt16(this,value,offset,true)}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);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>8;this[offset+1]=value&255}else{objectWriteUInt16(this,value,offset,false)}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);if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value&255;this[offset+1]=value>>>8;this[offset+2]=value>>>16;this[offset+3]=value>>>24}else{objectWriteUInt32(this,value,offset,true)}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;if(Buffer.TYPED_ARRAY_SUPPORT){this[offset]=value>>>24;this[offset+1]=value>>>16;this[offset+2]=value>>>8;this[offset+3]=value&255}else{objectWriteUInt32(this,value,offset,false)}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){if(!noAssert){checkIEEE754(buf,value,offset,4,34028234663852886e22,-34028234663852886e22)}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){if(!noAssert){checkIEEE754(buf,value,offset,8,17976931348623157e292,-17976931348623157e292)}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||!Buffer.TYPED_ARRAY_SUPPORT){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:utf8ToBytes(new Buffer(val,encoding).toString());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=stringtrim(str).replace(INVALID_BASE64_RE,"");if(str.length<2)return"";while(str.length%4!==0){str=str+"="}return str}function stringtrim(str){if(str.trim)return str.trim();return str.replace(/^\s+|\s+$/g,"")}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 isnan(val){return val!==val}}).call(this,typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"base64-js":5,ieee754:8,isarray:10}],7:[function(require,module,exports){(function(name,definition,global){"use strict";if(typeof define==="function"){define(definition)}else if(typeof module!=="undefined"&&module.exports){module.exports=definition()}else{global[name]=definition()}})("IDBStore",function(){"use strict";var defaultErrorHandler=function(error){throw error};var defaultSuccessHandler=function(){};var defaults={storeName:"Store",storePrefix:"IDBWrapper-",dbVersion:1,keyPath:"id",autoIncrement:true,onStoreReady:function(){},onError:defaultErrorHandler,indexes:[],implementationPreference:["indexedDB","webkitIndexedDB","mozIndexedDB","shimIndexedDB"]};var IDBStore=function(kwArgs,onStoreReady){if(typeof onStoreReady=="undefined"&&typeof kwArgs=="function"){onStoreReady=kwArgs}if(Object.prototype.toString.call(kwArgs)!="[object Object]"){kwArgs={}}for(var key in defaults){this[key]=typeof kwArgs[key]!="undefined"?kwArgs[key]:defaults[key]}this.dbName=this.storePrefix+this.storeName;this.dbVersion=parseInt(this.dbVersion,10)||1;onStoreReady&&(this.onStoreReady=onStoreReady);var env=typeof window=="object"?window:self;var availableImplementations=this.implementationPreference.filter(function(implName){return implName in env});this.implementation=availableImplementations[0];this.idb=env[this.implementation];this.keyRange=env.IDBKeyRange||env.webkitIDBKeyRange||env.mozIDBKeyRange;this.consts={READ_ONLY:"readonly",READ_WRITE:"readwrite",VERSION_CHANGE:"versionchange",NEXT:"next",NEXT_NO_DUPLICATE:"nextunique",PREV:"prev",PREV_NO_DUPLICATE:"prevunique"};this.openDB()};var proto={constructor:IDBStore,version:"1.7.1",db:null,dbName:null,dbVersion:null,store:null,storeName:null,storePrefix:null,keyPath:null,autoIncrement:null,indexes:null,implementationPreference:null,implementation:"",onStoreReady:null,onError:null,_insertIdCount:0,openDB:function(){var openRequest=this.idb.open(this.dbName,this.dbVersion);var preventSuccessCallback=false;openRequest.onerror=function(errorEvent){if(hasVersionError(errorEvent)){this.onError(new Error("The version number provided is lower than the existing one."))}else{var error;if(errorEvent.target.error){error=errorEvent.target.error}else{var errorMessage="IndexedDB unknown error occurred when opening DB "+this.dbName+" version "+this.dbVersion;if("errorCode"in errorEvent.target){errorMessage+=" with error code "+errorEvent.target.errorCode}error=new Error(errorMessage)}this.onError(error)}}.bind(this);openRequest.onsuccess=function(event){if(preventSuccessCallback){return}if(this.db){this.onStoreReady();return}this.db=event.target.result;if(typeof this.db.version=="string"){this.onError(new Error("The IndexedDB implementation in this browser is outdated. Please upgrade your browser."));return}if(!this.db.objectStoreNames.contains(this.storeName)){this.onError(new Error("Object store couldn't be created."));return}var emptyTransaction=this.db.transaction([this.storeName],this.consts.READ_ONLY);this.store=emptyTransaction.objectStore(this.storeName);var existingIndexes=Array.prototype.slice.call(this.getIndexList());this.indexes.forEach(function(indexData){var indexName=indexData.name;if(!indexName){preventSuccessCallback=true;this.onError(new Error("Cannot create index: No index name given."));return}this.normalizeIndexData(indexData);if(this.hasIndex(indexName)){var actualIndex=this.store.index(indexName);var complies=this.indexComplies(actualIndex,indexData);if(!complies){preventSuccessCallback=true;this.onError(new Error('Cannot modify index "'+indexName+'" for current version. Please bump version number to '+(this.dbVersion+1)+"."))}existingIndexes.splice(existingIndexes.indexOf(indexName),1)}else{preventSuccessCallback=true;this.onError(new Error('Cannot create new index "'+indexName+'" for current version. Please bump version number to '+(this.dbVersion+1)+"."))}},this);if(existingIndexes.length){preventSuccessCallback=true;this.onError(new Error('Cannot delete index(es) "'+existingIndexes.toString()+'" for current version. Please bump version number to '+(this.dbVersion+1)+"."))}preventSuccessCallback||this.onStoreReady()}.bind(this);openRequest.onupgradeneeded=function(event){this.db=event.target.result;if(this.db.objectStoreNames.contains(this.storeName)){this.store=event.target.transaction.objectStore(this.storeName)}else{var optionalParameters={autoIncrement:this.autoIncrement};if(this.keyPath!==null){optionalParameters.keyPath=this.keyPath}this.store=this.db.createObjectStore(this.storeName,optionalParameters)}var existingIndexes=Array.prototype.slice.call(this.getIndexList());this.indexes.forEach(function(indexData){var indexName=indexData.name;if(!indexName){preventSuccessCallback=true;this.onError(new Error("Cannot create index: No index name given."))}this.normalizeIndexData(indexData);if(this.hasIndex(indexName)){var actualIndex=this.store.index(indexName);var complies=this.indexComplies(actualIndex,indexData);if(!complies){this.store.deleteIndex(indexName);this.store.createIndex(indexName,indexData.keyPath,{unique:indexData.unique,multiEntry:indexData.multiEntry})}existingIndexes.splice(existingIndexes.indexOf(indexName),1)}else{this.store.createIndex(indexName,indexData.keyPath,{unique:indexData.unique,multiEntry:indexData.multiEntry})}},this);if(existingIndexes.length){existingIndexes.forEach(function(_indexName){this.store.deleteIndex(_indexName)},this)}}.bind(this)},deleteDatabase:function(onSuccess,onError){if(this.idb.deleteDatabase){this.db.close();var deleteRequest=this.idb.deleteDatabase(this.dbName);deleteRequest.onsuccess=onSuccess;deleteRequest.onerror=onError}else{onError(new Error("Browser does not support IndexedDB deleteDatabase!"))}},put:function(key,value,onSuccess,onError){if(this.keyPath!==null){onError=onSuccess;onSuccess=value;value=key}onError||(onError=defaultErrorHandler);onSuccess||(onSuccess=defaultSuccessHandler);var hasSuccess=false,result=null,putRequest;var putTransaction=this.db.transaction([this.storeName],this.consts.READ_WRITE);putTransaction.oncomplete=function(){var callback=hasSuccess?onSuccess:onError;callback(result)};putTransaction.onabort=onError;putTransaction.onerror=onError;if(this.keyPath!==null){this._addIdPropertyIfNeeded(value);putRequest=putTransaction.objectStore(this.storeName).put(value)}else{putRequest=putTransaction.objectStore(this.storeName).put(value,key)}putRequest.onsuccess=function(event){hasSuccess=true;result=event.target.result};putRequest.onerror=onError;return putTransaction},get:function(key,onSuccess,onError){onError||(onError=defaultErrorHandler);onSuccess||(onSuccess=defaultSuccessHandler);var hasSuccess=false,result=null;var getTransaction=this.db.transaction([this.storeName],this.consts.READ_ONLY);getTransaction.oncomplete=function(){var callback=hasSuccess?onSuccess:onError;callback(result)};getTransaction.onabort=onError;getTransaction.onerror=onError;var getRequest=getTransaction.objectStore(this.storeName).get(key);getRequest.onsuccess=function(event){hasSuccess=true;result=event.target.result};getRequest.onerror=onError;return getTransaction},remove:function(key,onSuccess,onError){onError||(onError=defaultErrorHandler);onSuccess||(onSuccess=defaultSuccessHandler);var hasSuccess=false,result=null;var removeTransaction=this.db.transaction([this.storeName],this.consts.READ_WRITE);removeTransaction.oncomplete=function(){var callback=hasSuccess?onSuccess:onError;callback(result)};removeTransaction.onabort=onError;removeTransaction.onerror=onError;var deleteRequest=removeTransaction.objectStore(this.storeName)["delete"](key);deleteRequest.onsuccess=function(event){hasSuccess=true;result=event.target.result};deleteRequest.onerror=onError;return removeTransaction},batch:function(dataArray,onSuccess,onError){onError||(onError=defaultErrorHandler);onSuccess||(onSuccess=defaultSuccessHandler);if(Object.prototype.toString.call(dataArray)!="[object Array]"){onError(new Error("dataArray argument must be of type Array."))}else if(dataArray.length===0){return onSuccess(true)}var count=dataArray.length;var called=false;var hasSuccess=false;var batchTransaction=this.db.transaction([this.storeName],this.consts.READ_WRITE);batchTransaction.oncomplete=function(){var callback=hasSuccess?onSuccess:onError;callback(hasSuccess)};batchTransaction.onabort=onError;batchTransaction.onerror=onError;var onItemSuccess=function(){count--;if(count===0&&!called){called=true;hasSuccess=true}};dataArray.forEach(function(operation){var type=operation.type;var key=operation.key;var value=operation.value;var onItemError=function(err){batchTransaction.abort();if(!called){called=true;onError(err,type,key)}};if(type=="remove"){var deleteRequest=batchTransaction.objectStore(this.storeName)["delete"](key);deleteRequest.onsuccess=onItemSuccess;deleteRequest.onerror=onItemError}else if(type=="put"){var putRequest;if(this.keyPath!==null){this._addIdPropertyIfNeeded(value);putRequest=batchTransaction.objectStore(this.storeName).put(value)}else{putRequest=batchTransaction.objectStore(this.storeName).put(value,key)}putRequest.onsuccess=onItemSuccess;putRequest.onerror=onItemError}},this);return batchTransaction},putBatch:function(dataArray,onSuccess,onError){var batchData=dataArray.map(function(item){return{type:"put",value:item}});return this.batch(batchData,onSuccess,onError)},upsertBatch:function(dataArray,options,onSuccess,onError){if(typeof options=="function"){onSuccess=options;onError=onSuccess;options={}}onError||(onError=defaultErrorHandler);onSuccess||(onSuccess=defaultSuccessHandler);options||(options={});if(Object.prototype.toString.call(dataArray)!="[object Array]"){onError(new Error("dataArray argument must be of type Array."))}var keyField=options.keyField||this.keyPath;var count=dataArray.length;var called=false;var hasSuccess=false;var index=0;var batchTransaction=this.db.transaction([this.storeName],this.consts.READ_WRITE);batchTransaction.oncomplete=function(){if(hasSuccess){onSuccess(dataArray)}else{onError(false)}};batchTransaction.onabort=onError;batchTransaction.onerror=onError;var onItemSuccess=function(event){var record=dataArray[index++];record[keyField]=event.target.result;count--;if(count===0&&!called){called=true;hasSuccess=true}};dataArray.forEach(function(record){var key=record.key;var onItemError=function(err){batchTransaction.abort();if(!called){called=true;onError(err)}};var putRequest;if(this.keyPath!==null){this._addIdPropertyIfNeeded(record);putRequest=batchTransaction.objectStore(this.storeName).put(record)}else{putRequest=batchTransaction.objectStore(this.storeName).put(record,key)}putRequest.onsuccess=onItemSuccess;putRequest.onerror=onItemError},this);return batchTransaction},removeBatch:function(keyArray,onSuccess,onError){var batchData=keyArray.map(function(key){return{type:"remove",key:key}});return this.batch(batchData,onSuccess,onError)},getBatch:function(keyArray,onSuccess,onError,arrayType){onError||(onError=defaultErrorHandler);onSuccess||(onSuccess=defaultSuccessHandler);arrayType||(arrayType="sparse");if(Object.prototype.toString.call(keyArray)!="[object Array]"){onError(new Error("keyArray argument must be of type Array."))}else if(keyArray.length===0){return onSuccess([])}var data=[];var count=keyArray.length;var called=false;var hasSuccess=false;var result=null;var batchTransaction=this.db.transaction([this.storeName],this.consts.READ_ONLY);batchTransaction.oncomplete=function(){var callback=hasSuccess?onSuccess:onError;callback(result)};batchTransaction.onabort=onError;batchTransaction.onerror=onError;var onItemSuccess=function(event){if(event.target.result||arrayType=="dense"){data.push(event.target.result)}else if(arrayType=="sparse"){data.length++}count--;if(count===0){called=true;hasSuccess=true;result=data}};keyArray.forEach(function(key){var onItemError=function(err){called=true;result=err;onError(err);batchTransaction.abort()};var getRequest=batchTransaction.objectStore(this.storeName).get(key);getRequest.onsuccess=onItemSuccess;getRequest.onerror=onItemError},this);return batchTransaction},getAll:function(onSuccess,onError){onError||(onError=defaultErrorHandler);onSuccess||(onSuccess=defaultSuccessHandler);var getAllTransaction=this.db.transaction([this.storeName],this.consts.READ_ONLY);var store=getAllTransaction.objectStore(this.storeName);if(store.getAll){this._getAllNative(getAllTransaction,store,onSuccess,onError)}else{this._getAllCursor(getAllTransaction,store,onSuccess,onError)}return getAllTransaction},_getAllNative:function(getAllTransaction,store,onSuccess,onError){var hasSuccess=false,result=null;getAllTransaction.oncomplete=function(){var callback=hasSuccess?onSuccess:onError;callback(result)};getAllTransaction.onabort=onError;getAllTransaction.onerror=onError;var getAllRequest=store.getAll();getAllRequest.onsuccess=function(event){hasSuccess=true;result=event.target.result};getAllRequest.onerror=onError},_getAllCursor:function(getAllTransaction,store,onSuccess,onError){var all=[],hasSuccess=false,result=null;getAllTransaction.oncomplete=function(){var callback=hasSuccess?onSuccess:onError;callback(result)};getAllTransaction.onabort=onError;getAllTransaction.onerror=onError;var cursorRequest=store.openCursor();cursorRequest.onsuccess=function(event){var cursor=event.target.result;if(cursor){all.push(cursor.value);cursor["continue"]()}else{hasSuccess=true;result=all}};cursorRequest.onError=onError},clear:function(onSuccess,onError){onError||(onError=defaultErrorHandler);onSuccess||(onSuccess=defaultSuccessHandler);var hasSuccess=false,result=null;var clearTransaction=this.db.transaction([this.storeName],this.consts.READ_WRITE);clearTransaction.oncomplete=function(){var callback=hasSuccess?onSuccess:onError;callback(result)};clearTransaction.onabort=onError;clearTransaction.onerror=onError;var clearRequest=clearTransaction.objectStore(this.storeName).clear();clearRequest.onsuccess=function(event){hasSuccess=true;result=event.target.result};clearRequest.onerror=onError;return clearTransaction},_addIdPropertyIfNeeded:function(dataObj){if(typeof dataObj[this.keyPath]=="undefined"){dataObj[this.keyPath]=this._insertIdCount+++Date.now()}},getIndexList:function(){return this.store.indexNames},hasIndex:function(indexName){return this.store.indexNames.contains(indexName)},normalizeIndexData:function(indexData){indexData.keyPath=indexData.keyPath||indexData.name;indexData.unique=!!indexData.unique;indexData.multiEntry=!!indexData.multiEntry},indexComplies:function(actual,expected){var complies=["keyPath","unique","multiEntry"].every(function(key){if(key=="multiEntry"&&actual[key]===undefined&&expected[key]===false){return true}if(key=="keyPath"&&Object.prototype.toString.call(expected[key])=="[object Array]"){var exp=expected.keyPath;var act=actual.keyPath;if(typeof act=="string"){return exp.toString()==act}if(!(typeof act.contains=="function"||typeof act.indexOf=="function")){return false}if(act.length!==exp.length){return false}for(var i=0,m=exp.length;i<m;i++){if(!(act.contains&&act.contains(exp[i])||act.indexOf(exp[i]!==-1))){return false}}return true}return expected[key]==actual[key]});return complies},iterate:function(onItem,options){options=mixin({index:null,order:"ASC",autoContinue:true,filterDuplicates:false,keyRange:null,writeAccess:false,onEnd:null,onError:defaultErrorHandler,limit:Infinity,offset:0,allowItemRejection:false},options||{});var directionType=options.order.toLowerCase()=="desc"?"PREV":"NEXT";if(options.filterDuplicates){directionType+="_NO_DUPLICATE"}var hasSuccess=false;var cursorTransaction=this.db.transaction([this.storeName],this.consts[options.writeAccess?"READ_WRITE":"READ_ONLY"]);var cursorTarget=cursorTransaction.objectStore(this.storeName);if(options.index){cursorTarget=cursorTarget.index(options.index)}var recordCount=0;cursorTransaction.oncomplete=function(){if(!hasSuccess){options.onError(null);return}if(options.onEnd){options.onEnd()}else{onItem(null)}};cursorTransaction.onabort=options.onError;cursorTransaction.onerror=options.onError;var cursorRequest=cursorTarget.openCursor(options.keyRange,this.consts[directionType]);cursorRequest.onerror=options.onError;cursorRequest.onsuccess=function(event){var cursor=event.target.result;if(cursor){if(options.offset){cursor.advance(options.offset);options.offset=0}else{var onItemReturn=onItem(cursor.value,cursor,cursorTransaction);if(!options.allowItemRejection||onItemReturn!==false){recordCount++}if(options.autoContinue){if(recordCount+options.offset<options.limit){cursor["continue"]()}else{hasSuccess=true}}}}else{hasSuccess=true}};return cursorTransaction},query:function(onSuccess,options){var result=[],processedItems=0;options=options||{};options.autoContinue=true;options.writeAccess=false;options.allowItemRejection=!!options.filter;options.onEnd=function(){onSuccess(result,processedItems)};return this.iterate(function(item){processedItems++;var accept=options.filter?options.filter(item):true;if(accept!==false){result.push(item)}return accept},options)},count:function(onSuccess,options){options=mixin({index:null,keyRange:null},options||{});var onError=options.onError||defaultErrorHandler;var hasSuccess=false,result=null;var cursorTransaction=this.db.transaction([this.storeName],this.consts.READ_ONLY);cursorTransaction.oncomplete=function(){var callback=hasSuccess?onSuccess:onError;callback(result)};cursorTransaction.onabort=onError;cursorTransaction.onerror=onError;var cursorTarget=cursorTransaction.objectStore(this.storeName);if(options.index){cursorTarget=cursorTarget.index(options.index)}var countRequest=cursorTarget.count(options.keyRange);countRequest.onsuccess=function(evt){hasSuccess=true;result=evt.target.result};countRequest.onError=onError;return cursorTransaction},makeKeyRange:function(options){var keyRange,hasLower=typeof options.lower!="undefined",hasUpper=typeof options.upper!="undefined",isOnly=typeof options.only!="undefined";switch(true){case isOnly:keyRange=this.keyRange.only(options.only);break;case hasLower&&hasUpper:keyRange=this.keyRange.bound(options.lower,options.upper,options.excludeLower,options.excludeUpper);break;case hasLower:keyRange=this.keyRange.lowerBound(options.lower,options.excludeLower);break;case hasUpper:keyRange=this.keyRange.upperBound(options.upper,options.excludeUpper);break;default:throw new Error('Cannot create KeyRange. Provide one or both of "lower" or "upper" value, or an "only" value.')}return keyRange}};var empty={};function mixin(target,source){var name,s;for(name in source){s=source[name];if(s!==empty[name]&&s!==target[name]){target[name]=s}}return target}function hasVersionError(errorEvent){if("error"in errorEvent.target){return errorEvent.target.error.name=="VersionError"}else if("errorCode"in errorEvent.target){return errorEvent.target.errorCode==12}return false}IDBStore.prototype=proto;IDBStore.version=proto.version;return IDBStore},this)},{}],8:[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}},{}],9:[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))}},{}],10:[function(require,module,exports){var toString={}.toString;module.exports=Array.isArray||function(arr){return toString.call(arr)=="[object Array]"}},{}],11:[function(require,module,exports){var Buffer=require("buffer").Buffer;module.exports=isBuffer;function isBuffer(o){return Buffer.isBuffer(o)||/\[object (.+Array|Array.+)\]/.test(Object.prototype.toString.call(o))}},{buffer:6}],12:[function(require,module,exports){(function(Buffer){module.exports=Level;var IDB=require("idb-wrapper");var AbstractLevelDOWN=require("abstract-leveldown").AbstractLevelDOWN;var util=require("util");var Iterator=require("./iterator");var isBuffer=require("isbuffer");var xtend=require("xtend");var toBuffer=require("typedarray-to-buffer");function Level(location){if(!(this instanceof Level))return new Level(location);if(!location)throw new Error("constructor requires at least a location argument");this.IDBOptions={};this.location=location}util.inherits(Level,AbstractLevelDOWN);Level.prototype._open=function(options,callback){var self=this;var idbOpts={storeName:this.location,autoIncrement:false,keyPath:null,onStoreReady:function(){callback&&callback(null,self.idb)},onError:function(err){callback&&callback(err)}};xtend(idbOpts,options);this.IDBOptions=idbOpts;this.idb=new IDB(idbOpts)};Level.prototype._get=function(key,options,callback){this.idb.get(key,function(value){if(value===undefined){return callback(new Error("NotFound"))}var asBuffer=true;if(options.asBuffer===false)asBuffer=false;if(options.raw)asBuffer=false;if(asBuffer){if(value instanceof Uint8Array)value=toBuffer(value);else value=new Buffer(String(value))}return callback(null,value,key)},callback)};Level.prototype._del=function(id,options,callback){this.idb.remove(id,callback,callback)};Level.prototype._put=function(key,value,options,callback){if(value instanceof ArrayBuffer){value=toBuffer(new Uint8Array(value))}var obj=this.convertEncoding(key,value,options);if(Buffer.isBuffer(obj.value)){if(typeof value.toArrayBuffer==="function"){obj.value=new Uint8Array(value.toArrayBuffer())}else{obj.value=new Uint8Array(value)}}this.idb.put(obj.key,obj.value,function(){callback()},callback)};Level.prototype.convertEncoding=function(key,value,options){if(options.raw)return{key:key,value:value};if(value){var stringed=value.toString();if(stringed==="NaN")value="NaN"}var valEnc=options.valueEncoding;var obj={key:key,value:value};if(value&&(!valEnc||valEnc!=="binary")){if(typeof obj.value!=="object"){obj.value=stringed}}return obj};Level.prototype.iterator=function(options){if(typeof options!=="object")options={};return new Iterator(this.idb,options)};Level.prototype._batch=function(array,options,callback){var op;var i;var k;var copiedOp;var currentOp;var modified=[];if(array.length===0)return setTimeout(callback,0);for(i=0;i<array.length;i++){copiedOp={};currentOp=array[i];modified[i]=copiedOp;var converted=this.convertEncoding(currentOp.key,currentOp.value,options);currentOp.key=converted.key;currentOp.value=converted.value;for(k in currentOp){if(k==="type"&¤tOp[k]=="del"){copiedOp[k]="remove"}else{copiedOp[k]=currentOp[k]}}}return this.idb.batch(modified,function(){callback()},callback)};Level.prototype._close=function(callback){this.idb.db.close();callback()};Level.prototype._approximateSize=function(start,end,callback){var err=new Error("Not implemented");if(callback)return callback(err);throw err};Level.prototype._isBuffer=function(obj){return Buffer.isBuffer(obj)};Level.destroy=function(db,callback){if(typeof db==="object"){var prefix=db.IDBOptions.storePrefix||"IDBWrapper-";var dbname=db.location}else{var prefix="IDBWrapper-";var dbname=db}var request=indexedDB.deleteDatabase(prefix+dbname);request.onsuccess=function(){callback()};request.onerror=function(err){callback(err)}};var checkKeyValue=Level.prototype._checkKeyValue=function(obj,type){if(obj===null||obj===undefined)return new Error(type+" cannot be `null` or `undefined`");if(obj===null||obj===undefined)return new Error(type+" cannot be `null` or `undefined`");if(isBuffer(obj)&&obj.byteLength===0)return new Error(type+" cannot be an empty ArrayBuffer");if(String(obj)==="")return new Error(type+" cannot be an empty String");if(obj.length===0)return new Error(type+" cannot be an empty Array")}}).call(this,require("buffer").Buffer)},{"./iterator":13,"abstract-leveldown":3,buffer:6,"idb-wrapper":7,isbuffer:11,"typedarray-to-buffer":32,util:35,xtend:37}],13:[function(require,module,exports){var util=require("util");var AbstractIterator=require("abstract-leveldown").AbstractIterator;var ltgt=require("ltgt");module.exports=Iterator;function Iterator(db,options){if(!options)options={};this.options=options;AbstractIterator.call(this,db);this._order=options.reverse?"DESC":"ASC";this._limit=options.limit;this._count=0;this._done=false;var lower=ltgt.lowerBound(options);var upper=ltgt.upperBound(options);try{this._keyRange=lower||upper?this.db.makeKeyRange({lower:lower,upper:upper,excludeLower:ltgt.lowerBoundExclusive(options),excludeUpper:ltgt.upperBoundExclusive(options)}):null}catch(e){this._keyRangeError=true}this.callback=null}util.inherits(Iterator,AbstractIterator);Iterator.prototype.createIterator=function(){var self=this;self.iterator=self.db.iterate(function(){self.onItem.apply(self,arguments)},{keyRange:self._keyRange,autoContinue:false,order:self._order,onError:function(err){console.log("horrible error",err)}})};Iterator.prototype.onItem=function(value,cursor,cursorTransaction){if(!cursor&&this.callback){this.callback();this.callback=false;return}var shouldCall=true;if(!!this._limit&&this._limit>0&&this._count++>=this._limit)shouldCall=false;if(shouldCall)this.callback(false,cursor.key,cursor.value);if(cursor)cursor["continue"]()};Iterator.prototype._next=function(callback){if(!callback)return new Error("next() requires a callback argument");if(this._keyRangeError)return callback();if(!this._started){this.createIterator();this._started=true}this.callback=callback}},{"abstract-leveldown":3,ltgt:14,util:35}],14:[function(require,module,exports){(function(Buffer){exports.compare=function(a,b){if(Buffer.isBuffer(a)){var l=Math.min(a.length,b.length);for(var i=0;i<l;i++){var cmp=a[i]-b[i];if(cmp)return cmp}return a.length-b.length}return a<b?-1:a>b?1:0};function has(obj,key){return Object.hasOwnProperty.call(obj,key)}function isDef(val){return val!==undefined&&val!==""}function has(range,name){return Object.hasOwnProperty.call(range,name)}function hasKey(range,name){return Object.hasOwnProperty.call(range,name)&&name}var lowerBoundKey=exports.lowerBoundKey=function(range){return hasKey(range,"gt")||hasKey(range,"gte")||hasKey(range,"min")||(range.reverse?hasKey(range,"end"):hasKey(range,"start"))||undefined};var lowerBound=exports.lowerBound=function(range,def){var k=lowerBoundKey(range);return k?range[k]:def};var lowerBoundInclusive=exports.lowerBoundInclusive=function(range){return has(range,"gt")?false:true};var upperBoundInclusive=exports.upperBoundInclusive=function(range){return has(range,"lt")?false:true};var lowerBoundExclusive=exports.lowerBoundExclusive=function(range){return!lowerBoundInclusive(range)};var upperBoundExclusive=exports.upperBoundExclusive=function(range){return!upperBoundInclusive(range)};var upperBoundKey=exports.upperBoundKey=function(range){return hasKey(range,"lt")||hasKey(range,"lte")||hasKey(range,"max")||(range.reverse?hasKey(range,"start"):hasKey(range,"end"))||undefined};var upperBound=exports.upperBound=function(range,def){var k=upperBoundKey(range);return k?range[k]:def};exports.start=function(range,def){return range.reverse?upperBound(range,def):lowerBound(range,def)};exports.end=function(range,def){return range.reverse?lowerBound(range,def):upperBound(range,def)};exports.startInclusive=function(range){return range.reverse?upperBoundInclusive(range):lowerBoundInclusive(range)};exports.endInclusive=function(range){return range.reverse?lowerBoundInclusive(range):upperBoundInclusive(range)};function id(e){return e}exports.toLtgt=function(range,_range,map,lower,upper){_range=_range||{};map=map||id;var defaults=arguments.length>3;var lb=exports.lowerBoundKey(range);var ub=exports.upperBoundKey(range);if(lb){if(lb==="gt")_range.gt=map(range.gt,false);else _range.gte=map(range[lb],false)}else if(defaults)_range.gte=map(lower,false);if(ub){if(ub==="lt")_range.lt=map(range.lt,true);else _range.lte=map(range[ub],true)}else if(defaults)_range.lte=map(upper,true);if(range.reverse!=null)_range.reverse=!!range.reverse;if(has(_range,"max"))delete _range.max;if(has(_range,"min"))delete _range.min;if(has(_range,"start"))delete _range.start;if(has(_range,"end"))delete _range.end;return _range};exports.contains=function(range,key,compare){compare=compare||exports.compare;var lb=lowerBound(range);if(isDef(lb)){var cmp=compare(key,lb);if(cmp<0||cmp===0&&lowerBoundExclusive(range))return false}var ub=upperBound(range);if(isDef(ub)){var cmp=compare(key,ub);if(cmp>0||cmp===0&&upperBoundExclusive(range))return false}return true};exports.filter=function(range,compare){return function(key){return exports.contains(range,key,compare)}}}).call(this,{isBuffer:require("../is-buffer/index.js")})},{"../is-buffer/index.js":9}],15:[function(require,module,exports){var hasOwn=Object.prototype.hasOwnProperty;var toString=Object.prototype.toString;var isFunction=function(fn){var isFunc=typeof fn==="function"&&!(fn instanceof RegExp)||toString.call(fn)==="[object Function]";if(!isFunc&&typeof window!=="undefined"){isFunc=fn===window.setTimeout||fn===window.alert||fn===window.confirm||fn===window.prompt}return isFunc};module.exports=function forEach(obj,fn){if(!isFunction(fn)){throw new TypeError("iterator must be a function")}var i,k,isString=typeof obj==="string",l=obj.length,context=arguments.length>2?arguments[2]:null;if(l===+l){for(i=0;i<l;i++){if(context===null){fn(isString?obj.charAt(i):obj[i],i,obj)}else{fn.call(context,isString?obj.charAt(i):obj[i],i,obj)}}}else{for(k in obj){if(hasOwn.call(obj,k)){if(context===null){fn(obj[k],k,obj)}else{fn.call(context,obj[k],k,obj)}}}}}},{}],16:[function(require,module,exports){module.exports=Object.keys||require("./shim")},{"./shim":18}],17:[function(require,module,exports){var toString=Object.prototype.toString;module.exports=function isArguments(value){var str=toString.call(value);var isArguments=str==="[object Arguments]";if(!isArguments){isArguments=str!=="[object Array]"&&value!==null&&typeof value==="object"&&typeof value.length==="number"&&value.length>=0&&toString.call(value.callee)==="[object Function]"}return isArguments}},{}],18:[function(require,module,exports){(function(){"use strict";var has=Object.prototype.hasOwnProperty,toString=Object.prototype.toString,forEach=require("./foreach"),isArgs=require("./isArguments"),hasDontEnumBug=!{toString:null}.propertyIsEnumerable("toString"),hasProtoEnumBug=function(){}.propertyIsEnumerable("prototype"),dontEnums=["toString","toLocaleString","valueOf","hasOwnProperty","isPrototypeOf","propertyIsEnumerable","constructor"],keysShim;keysShim=function keys(object){var isObject=object!==null&&typeof object==="object",isFunction=toString.call(object)==="[object Function]",isArguments=isArgs(object),theKeys=[];if(!isObject&&!isFunction&&!isArguments){throw new TypeError("Object.keys called on a non-object")}if(isArguments){forEach(object,function(value){theKeys.push(value)})}else{var name,skipProto=hasProtoEnumBug&&isFunction;for(name in object){if(!(skipProto&&name==="prototype")&&has.call(object,name)){theKeys.push(name)}}}if(hasDontEnumBug){var ctor=object.constructor,skipConstructor=ctor&&ctor.prototype===object;forEach(dontEnums,function(dontEnum){if(!(skipConstructor&&dontEnum==="constructor")&&has.call(object,dontEnum)){theKeys.push(dontEnum)}})}return theKeys};module.exports=keysShim})()},{"./foreach":15,"./isArguments":17}],19:[function(require,module,exports){"use strict";var zlib_inflate=require("./zlib/inflate");var utils=require("./utils/common");var strings=require("./utils/strings");var c=require("./zlib/constants");var msg=require("./zlib/messages");var ZStream=require("./zlib/zstream");var GZheader=require("./zlib/gzheader");var toString=Object.prototype.toString;function Inflate(options){if(!(this instanceof Inflate))return new Inflate(options);this.options=utils.assign({chunkSize:16384,windowBits:0,to:""},options||{});var opt=this.options;if(opt.raw&&opt.windowBits>=0&&opt.windowBits<16){opt.windowBits=-opt.windowBits;if(opt.windowBits===0){opt.windowBits=-15}}if(opt.windowBits>=0&&opt.windowBits<16&&!(options&&options.windowBits)){opt.windowBits+=32}if(opt.windowBits>15&&opt.windowBits<48){if((opt.windowBits&15)===0){opt.windowBits|=15}}this.err=0;this.msg="";this.ended=false;this.chunks=[];this.strm=new ZStream;this.strm.avail_out=0;var status=zlib_inflate.inflateInit2(this.strm,opt.windowBits);if(status!==c.Z_OK){throw new Error(msg[status])}this.header=new GZheader;zlib_inflate.inflateGetHeader(this.strm,this.header)}Inflate.prototype.push=function(data,mode){var strm=this.strm;var chunkSize=this.options.chunkSize;var dictionary=this.options.dictionary;var status,_mode;var next_out_utf8,tail,utf8str;var dict;var allowBufError=false;if(this.ended){return false}_mode=mode===~~mode?mode:mode===true?c.Z_FINISH:c.Z_NO_FLUSH;if(typeof data==="string"){strm.input=strings.binstring2buf(data)}else if(toString.call(data)==="[object ArrayBuffer]"){strm.input=new Uint8Array(data)}else{strm.input=data}strm.next_in=0;strm.avail_in=strm.input.length;do{if(strm.avail_out===0){strm.output=new utils.Buf8(chunkSize);strm.next_out=0;strm.avail_out=chunkSize}status=zlib_inflate.inflate(strm,c.Z_NO_FLUSH);if(status===c.Z_NEED_DICT&&dictionary){if(typeof dictionary==="string"){dict=strings.string2buf(dictionary)}else if(toString.call(dictionary)==="[object ArrayBuffer]"){dict=new Uint8Array(dictionary)}else{dict=dictionary}status=zlib_inflate.inflateSetDictionary(this.strm,dict)}if(status===c.Z_BUF_ERROR&&allowBufError===true){status=c.Z_OK;allowBufError=false}if(status!==c.Z_STREAM_END&&status!==c.Z_OK){this.onEnd(status);this.ended=true;return false}if(strm.next_out){if(strm.avail_out===0||status===c.Z_STREAM_END||strm.avail_in===0&&(_mode===c.Z_FINISH||_mode===c.Z_SYNC_FLUSH)){if(this.options.to==="string"){next_out_utf8=strings.utf8border(strm.output,strm.next_out);tail=strm.next_out-next_out_utf8;utf8str=strings.buf2string(strm.output,next_out_utf8);strm.next_out=tail;strm.avail_out=chunkSize-tail;if(tail){utils.arraySet(strm.output,strm.output,next_out_utf8,tail,0)}this.onData(utf8str)}else{this.onData(utils.shrinkBuf(strm.output,strm.next_out))}}}if(strm.avail_in===0&&strm.avail_out===0){allowBufError=true}}while((strm.avail_in>0||strm.avail_out===0)&&status!==c.Z_STREAM_END);if(status===c.Z_STREAM_END){_mode=c.Z_FINISH}if(_mode===c.Z_FINISH){status=zlib_inflate.inflateEnd(this.strm);this.onEnd(status);this.ended=true;return status===c.Z_OK}if(_mode===c.Z_SYNC_FLUSH){this.onEnd(c.Z_OK);strm.avail_out=0;return true}return true};Inflate.prototype.onData=function(chunk){this.chunks.push(chunk)};Inflate.prototype.onEnd=function(status){if(status===c.Z_OK){if(this.options.to==="string"){this.result=this.chunks.join("")}else{this.result=utils.flattenChunks(this.chunks)}}this.chunks=[];this.err=status;this.msg=this.strm.msg};function inflate(input,options){var inflator=new Inflate(options);inflator.push(input,true);if(inflator.err){throw inflator.msg||msg[inflator.err]}return inflator.result}function inflateRaw(input,options){options=options||{};options.raw=true;return inflate(input,options)}exports.Inflate=Inflate;exports.inflate=inflate;exports.inflateRaw=inflateRaw;exports.ungzip=inflate},{"./utils/common":20,"./utils/strings":21,"./zlib/constants":23,"./zlib/gzheader":25,"./zlib/inflate":27,"./zlib/messages":29,"./zlib/zstream":30}],20:[function(require,module,exports){"use strict";var TYPED_OK=typeof Uint8Array!=="undefined"&&typeof Uint16Array!=="undefined"&&typeof Int32Array!=="undefined";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(source.hasOwnProperty(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)},{}],21:[function(require,module,exports){"use strict";var utils=require("./common");var STR_APPLY_OK=true;var STR_APPLY_UIA_OK=true;try{String.fromCharCode.apply(null,[0])}catch(__){STR_APPLY_OK=false}try{String.fromCharCode.apply(null,new Uint8Array(1))}catch(__){STR_APPLY_UIA_OK=false}var _utf8len=new utils.Buf8(256);for(var q=0;q<256;q++){_utf8len[q]=q>=252?6:q>=248?5:q>=240?4:q>=224?3:q>=192?2:1}_utf8len[254]=_utf8len[254]=1;exports.string2buf=function(str){var buf,c,c2,m_pos,i,str_len=str.length,buf_len=0;for(m_pos=0;m_pos<str_len;m_pos++){c=str.charCodeAt(m_pos);if((c&64512)===55296&&m_pos+1<str_len){c2=str.charCodeAt(m_pos+1);if((c2&64512)===56320){c=65536+(c-55296<<10)+(c2-56320);m_pos++}}buf_len+=c<128?1:c<2048?2:c<65536?3:4}buf=new utils.Buf8(buf_len);for(i=0,m_pos=0;i<buf_len;m_pos++){c=str.charCodeAt(m_pos);if((c&64512)===55296&&m_pos+1<str_len){c2=str.charCodeAt(m_pos+1);if((c2&64512)===56320){c=65536+(c-55296<<10)+(c2-56320);m_pos++}}if(c<128){buf[i++]=c}else if(c<2048){buf[i++]=192|c>>>6;buf[i++]=128|c&63}else if(c<65536){buf[i++]=224|c>>>12;buf[i++]=128|c>>>6&63;buf[i++]=128|c&63}else{buf[i++]=240|c>>>18;buf[i++]=128|c>>>12&63;buf[i++]=128|c>>>6&63;buf[i++]=128|c&63}}return buf};function buf2binstring(buf,len){if(len<65537){if(buf.subarray&&STR_APPLY_UIA_OK||!buf.subarray&&STR_APPLY_OK){return String.fromCharCode.apply(null,utils.shrinkBuf(buf,len))}}var result="";for(var i=0;i<len;i++){result+=String.fromCharCode(buf[i])}return result}exports.buf2binstring=function(buf){return buf2binstring(buf,buf.length)};exports.binstring2buf=function(str){var buf=new utils.Buf8(str.length);for(var i=0,len=buf.length;i<len;i++){buf[i]=str.charCodeAt(i)}return buf};exports.buf2string=function(buf,max){var i,out,c,c_len;var len=max||buf.length;var utf16buf=new Array(len*2);for(out=0,i=0;i<len;){c=buf[i++];if(c<128){utf16buf[out++]=c;continue}c_len=_utf8len[c];if(c_len>4){utf16buf[out++]=65533;i+=c_len-1;continue}c&=c_len===2?31:c_len===3?15:7;while(c_len>1&&i<len){c=c<<6|buf[i++]&63;c_len--}if(c_len>1){utf16buf[out++]=65533;continue}if(c<65536){utf16buf[out++]=c}else{c-=65536;utf16buf[out++]=55296|c>>10&1023;utf16buf[out++]=56320|c&1023}}return buf2binstring(utf16buf,out)};exports.utf8border=function(buf,max){var pos;max=max||buf.length;if(max>buf.length){max=buf.length}pos=max-1;while(pos>=0&&(buf[pos]&192)===128){pos--}if(pos<0){return max}if(pos===0){return max}return pos+_utf8len[buf[pos]]>max?pos:max}},{"./common":20}],22:[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},{}],23:[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}},{}],24:[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},{}],25:[function(require,module,exports){"use strict";function GZheader(){this.text=0;this.time=0;this.xflags=0;this.os=0;this.extra=null;this.extra_len=0;this.name="";this.comment="";this.hcrc=0;this.done=false}module.exports=GZheader},{}],26:[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}},{}],27:[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":20,"./adler32":22,"./crc32":24,"./inffast":26,"./inftrees":28}],28:[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":20}],29:[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"}},{}],30:[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},{}],31:[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}},{}],32:[function(require,module,exports){(function(Buffer){module.exports=function(arr){if(typeof Buffer._augment==="function"&&Buffer.TYPED_ARRAY_SUPPORT){return Buffer._augment(arr)}else{return new Buffer(arr)}}}).call(this,require("buffer").Buffer)},{buffer:6}],33:[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}}},{}],34:[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"}},{}],35:[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":34,_process:31,inherits:33}],36:[function(require,module,exports){module.exports=hasKeys;function hasKeys(source){return source!==null&&(typeof source==="object"||typeof source==="function")}},{}],37:[function(require,module,exports){var Keys=require("object-keys");var hasKeys=require("./has-keys");module.exports=extend;function extend(){var target={};for(var i=0;i<arguments.length;i++){var source=arguments[i];if(!hasKeys(source)){continue}var keys=Keys(source);for(var j=0;j<keys.length;j++){var name=keys[j];target[name]=source[name]}}return target}},{"./has-keys":36,"object-keys":16}],38:[function(require,module,exports){"use strict";var leveljs=require("level-js");var iOS=/iPad|iPhone|iPod/.test(navigator.userAgent);var noIDB=typeof indexedDB==="undefined"||iOS;var db=noIDB?{open:function open(_,cb){return cb(true)}}:leveljs("./tessdata2");var langdata=require("../common/langdata.json");module.exports=function getLanguageData(req,res,cb){var lang=req.options.lang;function saveDataFile(data){try{db.put(lang,data,function(err){return console.log("cached",lang,err)})}finally{cb(data)}}db.open({compression:false},function(err){if(err)return fetchLanguageData(req,res,cb);db.get(lang,function(err,data){if(err)return fetchLanguageData(req,res,saveDataFile);res.progress({status:"found in cache "+lang+".traineddata"});cb(data)})})};var ungzip=require("pako/lib/inflate.js").ungzip;function fetchLanguageData(req,res,cb){var lang=req.options.lang;var langfile=lang+".traineddata.gz";var url=req.workerOptions.langPath+langfile;var xhr=new XMLHttpRequest;xhr.open("GET",url,true);xhr.responseType="arraybuffer";xhr.onerror=function(e){xhr.onprogress=xhr.onload=null;cb(xhr,null)};xhr.onprogress=function(e){return res.progress({status:"downloading "+langfile,loaded:e.loaded,progress:Math.min(1,e.loaded/langdata[lang])})};xhr.onload=function(e){if(!(xhr.status==200||xhr.status==0&&xhr.response))return res.reject("Error downloading language "+url);res.progress({status:"unzipping "+langfile,progress:0});var response=new Uint8Array(xhr.response);try{var n=2;while(response[0]==31&&response[1]==139){response=ungzip(response);res.progress({status:"unzipping "+langfile,progress:1-1/n++})}}catch(err){return res.reject("Error unzipping language file "+langfile+"\n"+err.message)}res.progress({status:"unzipping "+langfile,progress:1});cb(response)};xhr.send()}},{"../common/langdata.json":42,"level-js":12,"pako/lib/inflate.js":19}],39:[function(require,module,exports){(function(process,global){"use strict";var workerUtils=require("../common/worker.js");if(process.env.NODE_ENV==="development"){console.debug("Using Development Worker")}global.addEventListener("message",function(e){var packet=e.data;workerUtils.dispatchHandlers(packet,function(obj){return postMessage(obj)})});exports.getCore=function(req,res){if(!global.TesseractCore){res.progress({status:"loading tesseract core",progress:0});importScripts(req.workerOptions.corePath);res.progress({status:"loading tesseract core",progress:1})}return TesseractCore};exports.getLanguageData=require("./lang.js");workerUtils.setAdapter(module.exports)}).call(this,require("_process"),typeof global!=="undefined"?global:typeof self!=="undefined"?self:typeof window!=="undefined"?window:{})},{"../common/worker.js":43,"./lang.js":38,_process:31}],40:[function(require,module,exports){"use strict";module.exports=function desaturate(image){var width,height;if(image.data){var src=image.data;width=image.width,height=image.height;var dst=new Uint8Array(width*height);var srcLength=src.length|0,srcLength_16=srcLength-16|0;for(var i=0,j=0;i<=srcLength_16;i+=16,j+=4){dst[j]=(src[i]*77+src[i+1]*151+src[i+2]*28)*src[i+3]+(255-src[i+3]<<15)+32768>>16;dst[j+1]=(src[i+4]*77+src[i+5]*151+src[i+6]*28)*src[i+7]+(255-src[i+7]<<15)+32768>>16;dst[j+2]=(src[i+8]*77+src[i+9]*151+src[i+10]*28)*src[i+11]+(255-src[i+11]<<15)+32768>>16;dst[j+3]=(src[i+12]*77+src[i+13]*151+src[i+14]*28)*src[i+15]+(255-src[i+15]<<15)+32768>>16}for(;i<srcLength;i+=4,++j){dst[j]=(src[i]*77+src[i+1]*151+src[i+2]*28)*src[i+3]+(255-src[i+3]<<15)+32768>>16}image=dst}else{throw"Invalid ImageData"}return image}},{}],41:[function(require,module,exports){"use strict";module.exports=function DumpLiterallyEverything(Module,base){var ri=base.GetIterator();var blocks=[];var block,para,textline,word,symbol;function enumToString(value,prefix){return Object.keys(Module).filter(function(e){return e.substr(0,prefix.length+1)==prefix+"_"}).filter(function(e){return Module[e]===value}).map(function(e){return e.slice(prefix.length+1)})[0]}ri.Begin();do{if(ri.IsAtBeginningOf(Module.RIL_BLOCK)){var poly=ri.BlockPolygon();var polygon=null;if(Module.getPointer(poly)>0){var n=poly.get_n(),px=poly.get_x(),py=poly.get_y(),polygon=[];for(var i=0;i<n;i++){polygon.push([px.getValue(i),py.getValue(i)])}Module._ptaDestroy(Module.getPointer(poly))}block={paragraphs:[],text:ri.GetUTF8Text(Module.RIL_BLOCK),confidence:ri.Confidence(Module.RIL_BLOCK),baseline:ri.getBaseline(Module.RIL_BLOCK),bbox:ri.getBoundingBox(Module.RIL_BLOCK),blocktype:enumToString(ri.BlockType(),"PT"),polygon:polygon};blocks.push(block)}if(ri.IsAtBeginningOf(Module.RIL_PARA)){para={lines:[],text:ri.GetUTF8Text(Module.RIL_PARA),confidence:ri.Confidence(Module.RIL_PARA),baseline:ri.getBaseline(Module.RIL_PARA),bbox:ri.getBoundingBox(Module.RIL_PARA),is_ltr:!!ri.ParagraphIsLtr()};block.paragraphs.push(para)}if(ri.IsAtBeginningOf(Module.RIL_TEXTLINE)){textline={words:[],text:ri.GetUTF8Text(Module.RIL_TEXTLINE),confidence:ri.Confidence(Module.RIL_TEXTLINE),baseline:ri.getBaseline(Module.RIL_TEXTLINE),bbox:ri.getBoundingBox(Module.RIL_TEXTLINE)};para.lines.push(textline)}if(ri.IsAtBeginningOf(Module.RIL_WORD)){var fontInfo=ri.getWordFontAttributes(),wordDir=ri.WordDirection();word={symbols:[],choices:[],text:ri.GetUTF8Text(Module.RIL_WORD),confidence:ri.Confidence(Module.RIL_WORD),baseline:ri.getBaseline(Module.RIL_WORD),bbox:ri.getBoundingBox(Module.RIL_WORD),is_numeric:!!ri.WordIsNumeric(),in_dictionary:!!ri.WordIsFromDictionary(),direction:enumToString(wordDir,"DIR"),language:ri.WordRecognitionLanguage(),is_bold:fontInfo.is_bold,is_italic:fontInfo.is_italic,is_underlined:fontInfo.is_underlined,is_monospace:fontInfo.is_monospace,is_serif:fontInfo.is_serif,is_smallcaps:fontInfo.is_smallcaps,font_size:fontInfo.pointsize,font_id:fontInfo.font_id,font_name:fontInfo.font_name};var wc=new Module.WordChoiceIterator(ri);do{word.choices.push({text:wc.GetUTF8Text(),confidence:wc.Confidence()})}while(wc.Next());Module.destroy(wc);textline.words.push(word)}var image=null;if(ri.IsAtBeginningOf(Module.RIL_SYMBOL)){symbol={choices:[],image:image,text:ri.GetUTF8Text(Module.RIL_SYMBOL),confidence:ri.Confidence(Module.RIL_SYMBOL),baseline:ri.getBaseline(Module.RIL_SYMBOL),bbox:ri.getBoundingBox(Module.RIL_SYMBOL),is_superscript:!!ri.SymbolIsSuperscript(),is_subscript:!!ri.SymbolIsSubscript(),is_dropcap:!!ri.SymbolIsDropcap()};word.symbols.push(symbol);var ci=new Module.ChoiceIterator(ri);do{symbol.choices.push({text:ci.GetUTF8Text(),confidence:ci.Confidence()})}while(ci.Next());Module.destroy(ci)}}while(ri.Next(Module.RIL_SYMBOL));Module.destroy(ri);return{text:base.GetUTF8Text(),html:deindent(base.GetHOCRText()),confidence:base.MeanTextConf(),blocks:blocks,psm:enumToString(base.GetPageSegMode(),"PSM"),oem:enumToString(base.oem(),"OEM"),version:base.Version()}};function deindent(html){var lines=html.split("\n");if(lines[0].substring(0,2)===" "){for(var i=0;i<lines.length;i++){if(lines[i].substring(0,2)===" "){lines[i]=lines[i].slice(2)}}}return lines.join("\n")}},{}],42:[function(require,module,exports){module.exports={afr:1079573,ara:1701536,aze:1420865,bel:1276820,ben:6772012,bul:1605615,cat:1652368,ces:1035441,chi_sim:17710414,chi_tra:24717749,chr:320649,"dan-frak":677656,dan:1972936,"deu-frak":822644,deu:991656,ell:859719,eng:9453554,enm:619254,epo:1241212,equ:821130,est:1905040,eus:1641190,fin:979418,fra:1376221,frk:5912963,frm:5147082,glg:1674938,grc:3012615,heb:1051501,hin:6590065,hrv:1926995,hun:3074473,ind:1874776,isl:1634041,ita:948593,ita_old:3436571,jpn:13507168,kan:4390317,kor:5353098,lav:1843944,lit:1779240,mal:5966263,meme:88453,mkd:1163087,mlt:1463001,msa:1665427,nld:1134708,nor:2191610,osd:4274649,pol:7024662,por:909359,ron:915680,rus:5969957,"slk-frak":289885,slk:2217342,slv:1611338,spa:883170,spa_old:5647453,sqi:1667041,srp:1770244,swa:757916,swe:2451917,tam:3498763,tel:5795246,tgl:1496256,tha:3811136,tur:3563264,ukr:937566,vie:2195922}},{}],43:[function(require,module,exports){"use strict";var latestJob,Module,base,adapter={},dump=require("./dump.js"),desaturate=require("./desaturate.js");function dispatchHandlers(packet,send){function respond(status,data){send({jobId:packet.jobId,status:status,action:packet.action,data:data})}respond.resolve=respond.bind(this,"resolve");respond.reject=respond.bind(this,"reject");respond.progress=respond.bind(this,"progress");latestJob=respond;try{if(packet.action==="recognize"){handleRecognize(packet.payload,respond)}else if(packet.action==="detect"){handleDetect(packet.payload,respond)}}catch(err){err=err.toString();respond.reject(err)}}exports.dispatchHandlers=dispatchHandlers;exports.setAdapter=function setAdapter(impl){adapter=impl};function handleInit(req,res){var MIN_MEMORY=100663296;if(["chi_sim","chi_tra","jpn"].includes(req.options.lang)){MIN_MEMORY=167772160}if(!Module||Module.TOTAL_MEMORY<MIN_MEMORY){var Core=adapter.getCore(req,res);res.progress({status:"initializing tesseract",progress:0});Module=Core({TOTAL_MEMORY:MIN_MEMORY,TesseractProgress:function TesseractProgress(percent){latestJob.progress({status:"recognizing text",progress:Math.max(0,(percent-30)/70)})},onRuntimeInitialized:function onRuntimeInitialized(){}});Module.FS_createPath("/","tessdata",true,true);base=new Module.TessBaseAPI;res.progress({status:"initializing tesseract",progress:1})}}function setImage(Module,base,image){var imgbin=desaturate(image),width=image.width,height=image.height;var ptr=Module.allocate(imgbin,"i8",Module.ALLOC_NORMAL);base.SetImage(Module.wrapPointer(ptr),width,height,1,width);base.SetRectangle(0,0,width,height);return ptr}function loadLanguage(req,res,cb){var lang=req.options.lang,langFile=lang+".traineddata";if(!Module._loadedLanguages)Module._loadedLanguages={};if(lang in Module._loadedLanguages)return cb();adapter.getLanguageData(req,res,function(data){res.progress({status:"loading "+langFile,progress:0});Module.FS_createDataFile("tessdata",langFile,data,true,false);Module._loadedLanguages[lang]=true;res.progress({status:"loading "+langFile,progress:1});cb()})}function handleRecognize(req,res){handleInit(req,res);loadLanguage(req,res,function(){var options=req.options;function progressUpdate(progress){res.progress({status:"initializing api",progress:progress})}progressUpdate(0);base.Init(null,req.options.lang);progressUpdate(.3);for(var option in options){if(options.hasOwnProperty(option)){base.SetVariable(option,options[option])}}progressUpdate(.6);var ptr=setImage(Module,base,req.image);progressUpdate(1);base.Recognize(null);var result=dump(Module,base);base.End();Module._free(ptr);res.resolve(result)})}function handleDetect(req,res){handleInit(req,res);req.options.lang="osd";loadLanguage(req,res,function(){base.Init(null,"osd");base.SetPageSegMode(Module.PSM_OSD_ONLY);var ptr=setImage(Module,base,req.image),results=new Module.OSResults;if(!base.DetectOS(results)){base.End();Module._free(ptr);res.reject("Failed to detect OS")}else{var best=results.get_best_result(),oid=best.get_orientation_id(),sid=best.get_script_id();base.End();Module._free(ptr);res.resolve({tesseract_script_id:sid,script:results.get_unicharset().get_script_from_script_id(sid),script_confidence:best.get_sconfidence(),orientation_degrees:[0,270,180,90][oid],orientation_confidence:best.get_oconfidence()})}})}},{"./desaturate.js":40,"./dump.js":41}]},{},[39]); |
