flatten an object into a single depth using string keys

index.js

require('tap-browser-color')();
var test = require('tape');

test('it flattens!', function(t) {
  var input = {
    users: [
      { name: 'name1', id: 1, image: { '64x64': 'http://1' } },
      { name: 'name2', id: 2, image: { '64x64': 'http://2' } }
    ],
    errors: [ new Error('err1') ],
    success: true
  }
  
  var expected = {
    'users.0.name': 'name1',
    'users.0.id': 1,
    'users.0.image.64x64': 'http://1',
    'users.1.name': 'name2',
    'users.1.id': 2,
    'users.1.image.64x64': 'http://2',
    'users.length': 2,
    'errors.0.columnNumber': input.errors[0].columnNumber,
    'errors.0.fileName': input.errors[0].fileName,
    'errors.0.lineNumber': input.errors[0].lineNumber,
    'errors.0.message': input.errors[0].message,
    'errors.0.stack': input.errors[0].stack,
    'errors.length': 1,
    'success': true
  }

  t.deepEqual(flatten(input), expected);
  t.end();
})


function flatten(obj, opt_out, opt_paths) {
  var out = opt_out || {};
  var paths = opt_paths || [];
  return Object.getOwnPropertyNames(obj).reduce(function(out, key) {
    paths.push(key);
    if (typeof obj[key] === 'object') {
      flatten(obj[key], out, paths);  
    } else {
      out[paths.join('.')] = obj[key];
    }
    paths.pop();
    return out;
  }, out)
}

minified.js

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binarySlice(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.equals=function(b){if(!Buffer.isBuffer(b))throw new TypeError("Argument must be a Buffer");return Buffer.compare(this,b)===0};Buffer.prototype.inspect=function(){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+=" ... 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charsWritten=blitBuffer(base64ToBytes(string),buf,offset,length);return charsWritten}function utf16leWrite(buf,string,offset,length){var charsWritten=blitBuffer(utf16leToBytes(string,buf.length-offset),buf,offset,length,2);return charsWritten}Buffer.prototype.write=function(string,offset,length,encoding){if(isFinite(offset)){if(!isFinite(length)){encoding=length;length=undefined}}else{var swap=encoding;encoding=offset;offset=length;length=swap}offset=Number(offset)||0;if(length<0||offset<0||offset>this.length)throw new RangeError("attempt to write outside buffer bounds");var remaining=this.length-offset;if(!length){length=remaining}else{length=Number(length);if(length>remaining){length=remaining}}encoding=String(encoding||"utf8").toLowerCase();var ret;switch(encoding){case"hex":ret=hexWrite(this,string,offset,length);break;case"utf8":case"utf-8":ret=utf8Write(this,string,offset,length);break;case"ascii":ret=asciiWrite(this,string,offset,length);break;case"binary":ret=binaryWrite(this,string,offset,length);break;case"base64":ret=base64Write(this,string,offset,length);break;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":ret=utf16leWrite(this,string,offset,length);break;default:throw new TypeError("Unknown encoding: "+encoding)}return ret};Buffer.prototype.toJSON=function(){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){var res="";var tmp="";end=Math.min(buf.length,end);for(var i=start;i<end;i++){if(buf[i]<=127){res+=decodeUtf8Char(tmp)+String.fromCharCode(buf[i]);tmp=""}else{tmp+="%"+buf[i].toString(16)}}return res+decodeUtf8Char(tmp)}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 binarySlice(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(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 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this[offset]*16777216+(this[offset+1]<<16|this[offset+2]<<8|this[offset+3])};Buffer.prototype.readIntLE=function(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(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(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(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(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(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(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(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,true,23,4)};Buffer.prototype.readFloatBE=function(offset,noAssert){if(!noAssert)checkOffset(offset,4,this.length);return ieee754.read(this,offset,false,23,4)};Buffer.prototype.readDoubleLE=function(offset,noAssert){if(!noAssert)checkOffset(offset,8,this.length);return ieee754.read(this,offset,true,52,8)};Buffer.prototype.readDoubleBE=function(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 must be a Buffer instance");if(value>max||value<min)throw new RangeError("value is out of bounds");if(offset+ext>buf.length)throw new RangeError("index out of range")}Buffer.prototype.writeUIntLE=function(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkInt(this,value,offset,byteLength,Math.pow(2,8*byteLength),0);var mul=1;var i=0;this[offset]=value&255;while(++i<byteLength&&(mul*=256))this[offset+i]=value/mul>>>0&255;return offset+byteLength};Buffer.prototype.writeUIntBE=function(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;byteLength=byteLength>>>0;if(!noAssert)checkInt(this,value,offset,byteLength,Math.pow(2,8*byteLength),0);var i=byteLength-1;var mul=1;this[offset+i]=value&255;while(--i>=0&&(mul*=256))this[offset+i]=value/mul>>>0&255;return offset+byteLength};Buffer.prototype.writeUInt8=function(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;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(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;this[offset+1]=value>>>8}else objectWriteUInt16(this,value,offset,true);return offset+2};Buffer.prototype.writeUInt16BE=function(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}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(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}else objectWriteUInt32(this,value,offset,true);return offset+4};Buffer.prototype.writeUInt32BE=function(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}else objectWriteUInt32(this,value,offset,false);return offset+4};Buffer.prototype.writeIntLE=function(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;if(!noAssert){checkInt(this,value,offset,byteLength,Math.pow(2,8*byteLength-1)-1,-Math.pow(2,8*byteLength-1))}var i=0;var mul=1;var sub=value<0?1:0;this[offset]=value&255;while(++i<byteLength&&(mul*=256))this[offset+i]=(value/mul>>0)-sub&255;return offset+byteLength};Buffer.prototype.writeIntBE=function(value,offset,byteLength,noAssert){value=+value;offset=offset>>>0;if(!noAssert){checkInt(this,value,offset,byteLength,Math.pow(2,8*byteLength-1)-1,-Math.pow(2,8*byteLength-1))}var i=byteLength-1;var mul=1;var sub=value<0?1:0;this[offset+i]=value&255;while(--i>=0&&(mul*=256))this[offset+i]=(value/mul>>0)-sub&255;return offset+byteLength};Buffer.prototype.writeInt8=function(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;return offset+1};Buffer.prototype.writeInt16LE=function(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;this[offset+1]=value>>>8}else objectWriteUInt16(this,value,offset,true);return offset+2};Buffer.prototype.writeInt16BE=function(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}else objectWriteUInt16(this,value,offset,false);return offset+2};Buffer.prototype.writeInt32LE=function(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;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(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}else objectWriteUInt32(this,value,offset,false);return offset+4};function checkIEEE754(buf,value,offset,ext,max,min){if(value>max||value<min)throw new RangeError("value is out of bounds");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,4,3.4028234663852886e38,-3.4028234663852886e38);ieee754.write(buf,value,offset,littleEndian,23,4);return offset+4}Buffer.prototype.writeFloatLE=function(value,offset,noAssert){return writeFloat(this,value,offset,true,noAssert)};Buffer.prototype.writeFloatBE=function(value,offset,noAssert){return writeFloat(this,value,offset,false,noAssert)};function writeDouble(buf,value,offset,littleEndian,noAssert){if(!noAssert)checkIEEE754(buf,value,offset,8,1.7976931348623157e308,-1.7976931348623157e308);ieee754.write(buf,value,offset,littleEndian,52,8);return offset+8}Buffer.prototype.writeDoubleLE=function(value,offset,noAssert){return writeDouble(this,value,offset,true,noAssert)};Buffer.prototype.writeDoubleBE=function(value,offset,noAssert){return writeDouble(this,value,offset,false,noAssert)};Buffer.prototype.copy=function(target,target_start,start,end){var source=this;if(!start)start=0;if(!end&&end!==0)end=this.length;if(target_start>=target.length)target_start=target.length;if(!target_start)target_start=0;if(end>0&&end<start)end=start;if(end===start)return 0;if(target.length===0||source.length===0)return 0;if(target_start<0)throw new RangeError("targetStart out of bounds");if(start<0||start>=source.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-target_start<end-start)end=target.length-target_start+start;var len=end-start;if(len<1e3||!Buffer.TYPED_ARRAY_SUPPORT){for(var i=0;i<len;i++){target[i+target_start]=this[i+start]}}else{target._set(this.subarray(start,start+len),target_start)}return len};Buffer.prototype.fill=function(value,start,end){if(!value)value=0;if(!start)start=0;if(!end)end=this.length;if(end<start)throw new RangeError("end < start");if(end===start)return;if(this.length===0)return;if(start<0||start>=this.length)throw new RangeError("start out of bounds");if(end<0||end>this.length)throw new RangeError("end out of bounds");var i;if(typeof value==="number"){for(i=start;i<end;i++){this[i]=value}}else{var bytes=utf8ToBytes(value.toString());var len=bytes.length;for(i=start;i<end;i++){this[i]=bytes[i%len]}}return this};Buffer.prototype.toArrayBuffer=function(){if(typeof Uint8Array!=="undefined"){if(Buffer.TYPED_ARRAY_SUPPORT){return new Buffer(this).buffer}else{var buf=new Uint8Array(this.length);for(var i=0,len=buf.length;i<len;i+=1){buf[i]=this[i]}return buf.buffer}}else{throw new TypeError("Buffer.toArrayBuffer not supported in this browser")}};var BP=Buffer.prototype;Buffer._augment=function(arr){arr.constructor=Buffer;arr._isBuffer=true;arr._get=arr.get;arr._set=arr.set;arr.get=BP.get;arr.set=BP.set;arr.write=BP.write;arr.toString=BP.toString;arr.toLocaleString=BP.toString;arr.toJSON=BP.toJSON;arr.equals=BP.equals;arr.compare=BP.compare;arr.copy=BP.copy;arr.slice=BP.slice;arr.readUIntLE=BP.readUIntLE;arr.readUIntBE=BP.readUIntBE;arr.readUInt8=BP.readUInt8;arr.readUInt16LE=BP.readUInt16LE;arr.readUInt16BE=BP.readUInt16BE;arr.readUInt32LE=BP.readUInt32LE;arr.readUInt32BE=BP.readUInt32BE;arr.readIntLE=BP.readIntLE;arr.readIntBE=BP.readIntBE;arr.readInt8=BP.readInt8;arr.readInt16LE=BP.readInt16LE;arr.readInt16BE=BP.readInt16BE;arr.readInt32LE=BP.readInt32LE;arr.readInt32BE=BP.readInt32BE;arr.readFloatLE=BP.readFloatLE;arr.readFloatBE=BP.readFloatBE;arr.readDoubleLE=BP.readDoubleLE;arr.readDoubleBE=BP.readDoubleBE;arr.writeUInt8=BP.writeUInt8;arr.writeUIntLE=BP.writeUIntLE;arr.writeUIntBE=BP.writeUIntBE;arr.writeUInt16LE=BP.writeUInt16LE;arr.writeUInt16BE=BP.writeUInt16BE;arr.writeUInt32LE=BP.writeUInt32LE;arr.writeUInt32BE=BP.writeUInt32BE;arr.writeIntLE=BP.writeIntLE;arr.writeIntBE=BP.writeIntBE;arr.writeInt8=BP.writeInt8;arr.writeInt16LE=BP.writeInt16LE;arr.writeInt16BE=BP.writeInt16BE;arr.writeInt32LE=BP.writeInt32LE;arr.writeInt32BE=BP.writeInt32BE;arr.writeFloatLE=BP.writeFloatLE;arr.writeFloatBE=BP.writeFloatBE;arr.writeDoubleLE=BP.writeDoubleLE;arr.writeDoubleBE=BP.writeDoubleBE;arr.fill=BP.fill;arr.inspect=BP.inspect;arr.toArrayBuffer=BP.toArrayBuffer;return arr};var INVALID_BASE64_RE=/[^+\/0-9A-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 isArrayish(subject){return isArray(subject)||Buffer.isBuffer(subject)||subject&&typeof subject==="object"&&typeof subject.length==="number"}function toHex(n){if(n<16)return"0"+n.toString(16);return n.toString(16)}function utf8ToBytes(string,units){var codePoint,length=string.length;var leadSurrogate=null;units=units||Infinity;var bytes=[];var i=0;for(;i<length;i++){codePoint=string.charCodeAt(i);if(codePoint>55295&&codePoint<57344){if(leadSurrogate){if(codePoint<56320){if((units-=3)>-1)bytes.push(239,191,189);leadSurrogate=codePoint;continue}else{codePoint=leadSurrogate-55296<<10|codePoint-56320|65536;leadSurrogate=null}}else{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}else{leadSurrogate=codePoint;continue}}}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<2097152){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,unitSize){if(unitSize)length-=length%unitSize;for(var i=0;i<length;i++){if(i+offset>=dst.length||i>=src.length)break;dst[i+offset]=src[i]}return i}function decodeUtf8Char(str){try{return decodeURIComponent(str)}catch(err){return String.fromCharCode(65533)}}},{"base64-js":3,ieee754:4,"is-array":5}],3:[function(require,module,exports){var lookup="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";(function(exports){"use strict";var Arr=typeof Uint8Array!=="undefined"?Uint8Array:Array;var PLUS="+".charCodeAt(0);var SLASH="/".charCodeAt(0);var NUMBER="0".charCodeAt(0);var LOWER="a".charCodeAt(0);var UPPER="A".charCodeAt(0);var PLUS_URL_SAFE="-".charCodeAt(0);var SLASH_URL_SAFE="_".charCodeAt(0);function decode(elt){var code=elt.charCodeAt(0);if(code===PLUS||code===PLUS_URL_SAFE)return 62;if(code===SLASH||code===SLASH_URL_SAFE)return 63;if(code<NUMBER)return-1;if(code<NUMBER+10)return code-NUMBER+26+26;if(code<UPPER+26)return code-UPPER;if(code<LOWER+26)return code-LOWER+26}function b64ToByteArray(b64){var i,j,l,tmp,placeHolders,arr;if(b64.length%4>0){throw new Error("Invalid string. Length must be a multiple of 4")}var len=b64.length;placeHolders="="===b64.charAt(len-2)?2:"="===b64.charAt(len-1)?1:0;arr=new Arr(b64.length*3/4-placeHolders);l=placeHolders>0?b64.length-4:b64.length;var L=0;function push(v){arr[L++]=v}for(i=0,j=0;i<l;i+=4,j+=3){tmp=decode(b64.charAt(i))<<18|decode(b64.charAt(i+1))<<12|decode(b64.charAt(i+2))<<6|decode(b64.charAt(i+3));push((tmp&16711680)>>16);push((tmp&65280)>>8);push(tmp&255)}if(placeHolders===2){tmp=decode(b64.charAt(i))<<2|decode(b64.charAt(i+1))>>4;push(tmp&255)}else if(placeHolders===1){tmp=decode(b64.charAt(i))<<10|decode(b64.charAt(i+1))<<4|decode(b64.charAt(i+2))>>2;push(tmp>>8&255);push(tmp&255)}return arr}function uint8ToBase64(uint8){var i,extraBytes=uint8.length%3,output="",temp,length;function encode(num){return lookup.charAt(num)}function tripletToBase64(num){return encode(num>>18&63)+encode(num>>12&63)+encode(num>>6&63)+encode(num&63)}for(i=0,length=uint8.length-extraBytes;i<length;i+=3){temp=(uint8[i]<<16)+(uint8[i+1]<<8)+uint8[i+2];output+=tripletToBase64(temp)}switch(extraBytes){case 1:temp=uint8[uint8.length-1];output+=encode(temp>>2);output+=encode(temp<<4&63);output+="==";break;case 2:temp=(uint8[uint8.length-2]<<8)+uint8[uint8.length-1];output+=encode(temp>>10);output+=encode(temp>>4&63);output+=encode(temp<<2&63);output+="=";break}return output}exports.toByteArray=b64ToByteArray;exports.fromByteArray=uint8ToBase64})(typeof exports==="undefined"?this.base64js={}:exports)},{}],4:[function(require,module,exports){exports.read=function(buffer,offset,isLE,mLen,nBytes){var e,m,eLen=nBytes*8-mLen-1,eMax=(1<<eLen)-1,eBias=eMax>>1,nBits=-7,i=isLE?nBytes-1:0,d=isLE?-1:1,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,eLen=nBytes*8-mLen-1,eMax=(1<<eLen)-1,eBias=eMax>>1,rt=mLen===23?Math.pow(2,-24)-Math.pow(2,-77):0,i=isLE?0:nBytes-1,d=isLE?1:-1,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}},{}],5:[function(require,module,exports){var isArray=Array.isArray;var str=Object.prototype.toString;module.exports=isArray||function(val){return!!val&&"[object Array]"==str.call(val)}},{}],6:[function(require,module,exports){function EventEmitter(){this._events=this._events||{};this._maxListeners=this._maxListeners||undefined}module.exports=EventEmitter;EventEmitter.EventEmitter=EventEmitter;EventEmitter.prototype._events=undefined;EventEmitter.prototype._maxListeners=undefined;EventEmitter.defaultMaxListeners=10;EventEmitter.prototype.setMaxListeners=function(n){if(!isNumber(n)||n<0||isNaN(n))throw TypeError("n must be a positive number");this._maxListeners=n;return this};EventEmitter.prototype.emit=function(type){var er,handler,len,args,i,listeners;if(!this._events)this._events={};if(type==="error"){if(!this._events.error||isObject(this._events.error)&&!this._events.error.length){er=arguments[1];if(er instanceof Error){throw er}throw TypeError('Uncaught, unspecified "error" event.')}}handler=this._events[type];if(isUndefined(handler))return false;if(isFunction(handler)){switch(arguments.length){case 1:handler.call(this);break;case 2:handler.call(this,arguments[1]);break;case 3:handler.call(this,arguments[1],arguments[2]);break;default:len=arguments.length;args=new Array(len-1);for(i=1;i<len;i++)args[i-1]=arguments[i];handler.apply(this,args)}}else if(isObject(handler)){len=arguments.length;args=new Array(len-1);for(i=1;i<len;i++)args[i-1]=arguments[i];listeners=handler.slice();len=listeners.length;for(i=0;i<len;i++)listeners[i].apply(this,args)}return true};EventEmitter.prototype.addListener=function(type,listener){var m;if(!isFunction(listener))throw TypeError("listener must be a function");if(!this._events)this._events={};if(this._events.newListener)this.emit("newListener",type,isFunction(listener.listener)?listener.listener:listener);if(!this._events[type])this._events[type]=listener;else if(isObject(this._events[type]))this._events[type].push(listener);else this._events[type]=[this._events[type],listener];if(isObject(this._events[type])&&!this._events[type].warned){var m;if(!isUndefined(this._maxListeners)){
m=this._maxListeners}else{m=EventEmitter.defaultMaxListeners}if(m&&m>0&&this._events[type].length>m){this._events[type].warned=true;console.error("(node) warning: possible EventEmitter memory "+"leak detected. %d listeners added. "+"Use emitter.setMaxListeners() to increase limit.",this._events[type].length);if(typeof console.trace==="function"){console.trace()}}}return this};EventEmitter.prototype.on=EventEmitter.prototype.addListener;EventEmitter.prototype.once=function(type,listener){if(!isFunction(listener))throw TypeError("listener must be a function");var fired=false;function g(){this.removeListener(type,g);if(!fired){fired=true;listener.apply(this,arguments)}}g.listener=listener;this.on(type,g);return this};EventEmitter.prototype.removeListener=function(type,listener){var list,position,length,i;if(!isFunction(listener))throw TypeError("listener must be a function");if(!this._events||!this._events[type])return this;list=this._events[type];length=list.length;position=-1;if(list===listener||isFunction(list.listener)&&list.listener===listener){delete this._events[type];if(this._events.removeListener)this.emit("removeListener",type,listener)}else if(isObject(list)){for(i=length;i-->0;){if(list[i]===listener||list[i].listener&&list[i].listener===listener){position=i;break}}if(position<0)return this;if(list.length===1){list.length=0;delete this._events[type]}else{list.splice(position,1)}if(this._events.removeListener)this.emit("removeListener",type,listener)}return this};EventEmitter.prototype.removeAllListeners=function(type){var key,listeners;if(!this._events)return this;if(!this._events.removeListener){if(arguments.length===0)this._events={};else if(this._events[type])delete this._events[type];return this}if(arguments.length===0){for(key in this._events){if(key==="removeListener")continue;this.removeAllListeners(key)}this.removeAllListeners("removeListener");this._events={};return this}listeners=this._events[type];if(isFunction(listeners)){this.removeListener(type,listeners)}else{while(listeners.length)this.removeListener(type,listeners[listeners.length-1])}delete this._events[type];return this};EventEmitter.prototype.listeners=function(type){var ret;if(!this._events||!this._events[type])ret=[];else if(isFunction(this._events[type]))ret=[this._events[type]];else ret=this._events[type].slice();return ret};EventEmitter.listenerCount=function(emitter,type){var ret;if(!emitter._events||!emitter._events[type])ret=0;else if(isFunction(emitter._events[type]))ret=1;else ret=emitter._events[type].length;return ret};function isFunction(arg){return typeof arg==="function"}function isNumber(arg){return typeof arg==="number"}function isObject(arg){return typeof arg==="object"&&arg!==null}function isUndefined(arg){return arg===void 0}},{}],7:[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}}},{}],8:[function(require,module,exports){module.exports=Array.isArray||function(arr){return Object.prototype.toString.call(arr)=="[object Array]"}},{}],9:[function(require,module,exports){(function(process){function normalizeArray(parts,allowAboveRoot){var up=0;for(var i=parts.length-1;i>=0;i--){var last=parts[i];if(last==="."){parts.splice(i,1)}else if(last===".."){parts.splice(i,1);up++}else if(up){parts.splice(i,1);up--}}if(allowAboveRoot){for(;up--;up){parts.unshift("..")}}return parts}var splitPathRe=/^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;var splitPath=function(filename){return splitPathRe.exec(filename).slice(1)};exports.resolve=function(){var resolvedPath="",resolvedAbsolute=false;for(var i=arguments.length-1;i>=-1&&!resolvedAbsolute;i--){var path=i>=0?arguments[i]:process.cwd();if(typeof path!=="string"){throw new TypeError("Arguments to path.resolve must be strings")}else if(!path){continue}resolvedPath=path+"/"+resolvedPath;resolvedAbsolute=path.charAt(0)==="/"}resolvedPath=normalizeArray(filter(resolvedPath.split("/"),function(p){return!!p}),!resolvedAbsolute).join("/");return(resolvedAbsolute?"/":"")+resolvedPath||"."};exports.normalize=function(path){var isAbsolute=exports.isAbsolute(path),trailingSlash=substr(path,-1)==="/";path=normalizeArray(filter(path.split("/"),function(p){return!!p}),!isAbsolute).join("/");if(!path&&!isAbsolute){path="."}if(path&&trailingSlash){path+="/"}return(isAbsolute?"/":"")+path};exports.isAbsolute=function(path){return path.charAt(0)==="/"};exports.join=function(){var paths=Array.prototype.slice.call(arguments,0);return exports.normalize(filter(paths,function(p,index){if(typeof p!=="string"){throw new TypeError("Arguments to path.join must be strings")}return p}).join("/"))};exports.relative=function(from,to){from=exports.resolve(from).substr(1);to=exports.resolve(to).substr(1);function trim(arr){var start=0;for(;start<arr.length;start++){if(arr[start]!=="")break}var end=arr.length-1;for(;end>=0;end--){if(arr[end]!=="")break}if(start>end)return[];return arr.slice(start,end-start+1)}var fromParts=trim(from.split("/"));var toParts=trim(to.split("/"));var length=Math.min(fromParts.length,toParts.length);var samePartsLength=length;for(var i=0;i<length;i++){if(fromParts[i]!==toParts[i]){samePartsLength=i;break}}var outputParts=[];for(var i=samePartsLength;i<fromParts.length;i++){outputParts.push("..")}outputParts=outputParts.concat(toParts.slice(samePartsLength));return outputParts.join("/")};exports.sep="/";exports.delimiter=":";exports.dirname=function(path){var result=splitPath(path),root=result[0],dir=result[1];if(!root&&!dir){return"."}if(dir){dir=dir.substr(0,dir.length-1)}return root+dir};exports.basename=function(path,ext){var f=splitPath(path)[2];if(ext&&f.substr(-1*ext.length)===ext){f=f.substr(0,f.length-ext.length)}return f};exports.extname=function(path){return splitPath(path)[3]};function filter(xs,f){if(xs.filter)return xs.filter(f);var res=[];for(var i=0;i<xs.length;i++){if(f(xs[i],i,xs))res.push(xs[i])}return res}var substr="ab".substr(-1)==="b"?function(str,start,len){return str.substr(start,len)}:function(str,start,len){if(start<0)start=str.length+start;return str.substr(start,len)}}).call(this,require("_process"))},{_process:10}],10:[function(require,module,exports){var process=module.exports={};process.nextTick=function(){var canSetImmediate=typeof window!=="undefined"&&window.setImmediate;var canMutationObserver=typeof window!=="undefined"&&window.MutationObserver;var canPost=typeof window!=="undefined"&&window.postMessage&&window.addEventListener;if(canSetImmediate){return function(f){return window.setImmediate(f)}}var queue=[];if(canMutationObserver){var hiddenDiv=document.createElement("div");var observer=new MutationObserver(function(){var queueList=queue.slice();queue.length=0;queueList.forEach(function(fn){fn()})});observer.observe(hiddenDiv,{attributes:true});return function nextTick(fn){if(!queue.length){hiddenDiv.setAttribute("yes","no")}queue.push(fn)}}if(canPost){window.addEventListener("message",function(ev){var source=ev.source;if((source===window||source===null)&&ev.data==="process-tick"){ev.stopPropagation();if(queue.length>0){var fn=queue.shift();fn()}}},true);return function nextTick(fn){queue.push(fn);window.postMessage("process-tick","*")}}return function nextTick(fn){setTimeout(fn,0)}}();process.title="browser";process.browser=true;process.env={};process.argv=[];function noop(){}process.on=noop;process.addListener=noop;process.once=noop;process.off=noop;process.removeListener=noop;process.removeAllListeners=noop;process.emit=noop;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")}},{}],11:[function(require,module,exports){module.exports=require("./lib/_stream_duplex.js")},{"./lib/_stream_duplex.js":12}],12:[function(require,module,exports){(function(process){module.exports=Duplex;var objectKeys=Object.keys||function(obj){var keys=[];for(var key in obj)keys.push(key);return keys};var util=require("core-util-is");util.inherits=require("inherits");var Readable=require("./_stream_readable");var Writable=require("./_stream_writable");util.inherits(Duplex,Readable);forEach(objectKeys(Writable.prototype),function(method){if(!Duplex.prototype[method])Duplex.prototype[method]=Writable.prototype[method]});function Duplex(options){if(!(this instanceof Duplex))return new Duplex(options);Readable.call(this,options);Writable.call(this,options);if(options&&options.readable===false)this.readable=false;if(options&&options.writable===false)this.writable=false;this.allowHalfOpen=true;if(options&&options.allowHalfOpen===false)this.allowHalfOpen=false;this.once("end",onend)}function onend(){if(this.allowHalfOpen||this._writableState.ended)return;process.nextTick(this.end.bind(this))}function forEach(xs,f){for(var i=0,l=xs.length;i<l;i++){f(xs[i],i)}}}).call(this,require("_process"))},{"./_stream_readable":14,"./_stream_writable":16,_process:10,"core-util-is":17,inherits:7}],13:[function(require,module,exports){module.exports=PassThrough;var Transform=require("./_stream_transform");var util=require("core-util-is");util.inherits=require("inherits");util.inherits(PassThrough,Transform);function PassThrough(options){if(!(this instanceof PassThrough))return new PassThrough(options);Transform.call(this,options)}PassThrough.prototype._transform=function(chunk,encoding,cb){cb(null,chunk)}},{"./_stream_transform":15,"core-util-is":17,inherits:7}],14:[function(require,module,exports){(function(process){module.exports=Readable;var isArray=require("isarray");var Buffer=require("buffer").Buffer;Readable.ReadableState=ReadableState;var EE=require("events").EventEmitter;if(!EE.listenerCount)EE.listenerCount=function(emitter,type){return emitter.listeners(type).length};var Stream=require("stream");var util=require("core-util-is");util.inherits=require("inherits");var StringDecoder;util.inherits(Readable,Stream);function ReadableState(options,stream){options=options||{};var hwm=options.highWaterMark;this.highWaterMark=hwm||hwm===0?hwm:16*1024;this.highWaterMark=~~this.highWaterMark;this.buffer=[];this.length=0;this.pipes=null;this.pipesCount=0;this.flowing=false;this.ended=false;this.endEmitted=false;this.reading=false;this.calledRead=false;this.sync=true;this.needReadable=false;this.emittedReadable=false;this.readableListening=false;this.objectMode=!!options.objectMode;this.defaultEncoding=options.defaultEncoding||"utf8";this.ranOut=false;this.awaitDrain=0;this.readingMore=false;this.decoder=null;this.encoding=null;if(options.encoding){if(!StringDecoder)StringDecoder=require("string_decoder/").StringDecoder;this.decoder=new StringDecoder(options.encoding);this.encoding=options.encoding}}function Readable(options){if(!(this instanceof Readable))return new Readable(options);this._readableState=new ReadableState(options,this);this.readable=true;Stream.call(this)}Readable.prototype.push=function(chunk,encoding){var state=this._readableState;if(typeof chunk==="string"&&!state.objectMode){encoding=encoding||state.defaultEncoding;if(encoding!==state.encoding){chunk=new Buffer(chunk,encoding);encoding=""}}return readableAddChunk(this,state,chunk,encoding,false)};Readable.prototype.unshift=function(chunk){var state=this._readableState;return readableAddChunk(this,state,chunk,"",true)};function readableAddChunk(stream,state,chunk,encoding,addToFront){var er=chunkInvalid(state,chunk);if(er){stream.emit("error",er)}else if(chunk===null||chunk===undefined){state.reading=false;if(!state.ended)onEofChunk(stream,state)}else if(state.objectMode||chunk&&chunk.length>0){if(state.ended&&!addToFront){var e=new Error("stream.push() after EOF");stream.emit("error",e)}else if(state.endEmitted&&addToFront){var e=new Error("stream.unshift() after end event");stream.emit("error",e)}else{if(state.decoder&&!addToFront&&!encoding)chunk=state.decoder.write(chunk);state.length+=state.objectMode?1:chunk.length;if(addToFront){state.buffer.unshift(chunk)}else{state.reading=false;state.buffer.push(chunk)}if(state.needReadable)emitReadable(stream);maybeReadMore(stream,state)}}else if(!addToFront){state.reading=false}return needMoreData(state)}function needMoreData(state){return!state.ended&&(state.needReadable||state.length<state.highWaterMark||state.length===0)}Readable.prototype.setEncoding=function(enc){if(!StringDecoder)StringDecoder=require("string_decoder/").StringDecoder;this._readableState.decoder=new StringDecoder(enc);this._readableState.encoding=enc};var MAX_HWM=8388608;function roundUpToNextPowerOf2(n){if(n>=MAX_HWM){n=MAX_HWM}else{n--;for(var p=1;p<32;p<<=1)n|=n>>p;n++}return n}function howMuchToRead(n,state){if(state.length===0&&state.ended)return 0;if(state.objectMode)return n===0?0:1;if(n===null||isNaN(n)){if(state.flowing&&state.buffer.length)return state.buffer[0].length;else return state.length}if(n<=0)return 0;if(n>state.highWaterMark)state.highWaterMark=roundUpToNextPowerOf2(n);if(n>state.length){if(!state.ended){state.needReadable=true;return 0}else return state.length}return n}Readable.prototype.read=function(n){var state=this._readableState;state.calledRead=true;var nOrig=n;var ret;if(typeof n!=="number"||n>0)state.emittedReadable=false;if(n===0&&state.needReadable&&(state.length>=state.highWaterMark||state.ended)){emitReadable(this);return null}n=howMuchToRead(n,state);if(n===0&&state.ended){ret=null;if(state.length>0&&state.decoder){ret=fromList(n,state);state.length-=ret.length}if(state.length===0)endReadable(this);return ret}var doRead=state.needReadable;if(state.length-n<=state.highWaterMark)doRead=true;if(state.ended||state.reading)doRead=false;if(doRead){state.reading=true;state.sync=true;if(state.length===0)state.needReadable=true;this._read(state.highWaterMark);state.sync=false}if(doRead&&!state.reading)n=howMuchToRead(nOrig,state);if(n>0)ret=fromList(n,state);else ret=null;if(ret===null){state.needReadable=true;n=0}state.length-=n;if(state.length===0&&!state.ended)state.needReadable=true;if(state.ended&&!state.endEmitted&&state.length===0)endReadable(this);return ret};function chunkInvalid(state,chunk){var er=null;if(!Buffer.isBuffer(chunk)&&"string"!==typeof chunk&&chunk!==null&&chunk!==undefined&&!state.objectMode){er=new TypeError("Invalid non-string/buffer chunk")}return er}function onEofChunk(stream,state){if(state.decoder&&!state.ended){var chunk=state.decoder.end();if(chunk&&chunk.length){state.buffer.push(chunk);state.length+=state.objectMode?1:chunk.length}}state.ended=true;if(state.length>0)emitReadable(stream);else endReadable(stream)}function emitReadable(stream){var state=stream._readableState;state.needReadable=false;if(state.emittedReadable)return;state.emittedReadable=true;if(state.sync)process.nextTick(function(){emitReadable_(stream)});else emitReadable_(stream)}function emitReadable_(stream){stream.emit("readable")}function maybeReadMore(stream,state){if(!state.readingMore){state.readingMore=true;process.nextTick(function(){maybeReadMore_(stream,state)})}}function maybeReadMore_(stream,state){var len=state.length;while(!state.reading&&!state.flowing&&!state.ended&&state.length<state.highWaterMark){stream.read(0);if(len===state.length)break;else len=state.length}state.readingMore=false}Readable.prototype._read=function(n){this.emit("error",new Error("not implemented"))};Readable.prototype.pipe=function(dest,pipeOpts){var src=this;var state=this._readableState;switch(state.pipesCount){case 0:state.pipes=dest;break;case 1:state.pipes=[state.pipes,dest];break;default:state.pipes.push(dest);break}state.pipesCount+=1;var doEnd=(!pipeOpts||pipeOpts.end!==false)&&dest!==process.stdout&&dest!==process.stderr;var endFn=doEnd?onend:cleanup;if(state.endEmitted)process.nextTick(endFn);else src.once("end",endFn);dest.on("unpipe",onunpipe);function onunpipe(readable){if(readable!==src)return;cleanup()}function onend(){dest.end()}var ondrain=pipeOnDrain(src);dest.on("drain",ondrain);function cleanup(){dest.removeListener("close",onclose);dest.removeListener("finish",onfinish);dest.removeListener("drain",ondrain);dest.removeListener("error",onerror);dest.removeListener("unpipe",onunpipe);src.removeListener("end",onend);src.removeListener("end",cleanup);if(!dest._writableState||dest._writableState.needDrain)ondrain()}function onerror(er){unpipe();dest.removeListener("error",onerror);if(EE.listenerCount(dest,"error")===0)dest.emit("error",er)}if(!dest._events||!dest._events.error)dest.on("error",onerror);else if(isArray(dest._events.error))dest._events.error.unshift(onerror);else dest._events.error=[onerror,dest._events.error];function onclose(){dest.removeListener("finish",onfinish);unpipe()}dest.once("close",onclose);function onfinish(){dest.removeListener("close",onclose);unpipe()}dest.once("finish",onfinish);function unpipe(){src.unpipe(dest)}dest.emit("pipe",src);if(!state.flowing){this.on("readable",pipeOnReadable);state.flowing=true;process.nextTick(function(){flow(src)})}return dest};function pipeOnDrain(src){return function(){var dest=this;var state=src._readableState;state.awaitDrain--;if(state.awaitDrain===0)flow(src)}}function flow(src){var state=src._readableState;var chunk;state.awaitDrain=0;function write(dest,i,list){var written=dest.write(chunk);if(false===written){state.awaitDrain++}}while(state.pipesCount&&null!==(chunk=src.read())){if(state.pipesCount===1)write(state.pipes,0,null);else forEach(state.pipes,write);src.emit("data",chunk);if(state.awaitDrain>0)return}if(state.pipesCount===0){state.flowing=false;if(EE.listenerCount(src,"data")>0)emitDataEvents(src);return}state.ranOut=true}function pipeOnReadable(){if(this._readableState.ranOut){this._readableState.ranOut=false;flow(this)}}Readable.prototype.unpipe=function(dest){var state=this._readableState;if(state.pipesCount===0)return this;if(state.pipesCount===1){if(dest&&dest!==state.pipes)return this;if(!dest)dest=state.pipes;state.pipes=null;state.pipesCount=0;this.removeListener("readable",pipeOnReadable);state.flowing=false;if(dest)dest.emit("unpipe",this);return this}if(!dest){var dests=state.pipes;var len=state.pipesCount;state.pipes=null;state.pipesCount=0;this.removeListener("readable",pipeOnReadable);state.flowing=false;for(var i=0;i<len;i++)dests[i].emit("unpipe",this);return this}var i=indexOf(state.pipes,dest);if(i===-1)return this;state.pipes.splice(i,1);state.pipesCount-=1;if(state.pipesCount===1)state.pipes=state.pipes[0];dest.emit("unpipe",this);return this};Readable.prototype.on=function(ev,fn){var res=Stream.prototype.on.call(this,ev,fn);if(ev==="data"&&!this._readableState.flowing)emitDataEvents(this);if(ev==="readable"&&this.readable){var state=this._readableState;if(!state.readableListening){state.readableListening=true;state.emittedReadable=false;state.needReadable=true;if(!state.reading){this.read(0)}else if(state.length){emitReadable(this,state)}}}return res};Readable.prototype.addListener=Readable.prototype.on;Readable.prototype.resume=function(){emitDataEvents(this);this.read(0);this.emit("resume")};Readable.prototype.pause=function(){emitDataEvents(this,true);this.emit("pause")};function emitDataEvents(stream,startPaused){var state=stream._readableState;if(state.flowing){throw new Error("Cannot switch to old mode now.")}var paused=startPaused||false;var readable=false;stream.readable=true;stream.pipe=Stream.prototype.pipe;stream.on=stream.addListener=Stream.prototype.on;stream.on("readable",function(){readable=true;var c;while(!paused&&null!==(c=stream.read()))stream.emit("data",c);if(c===null){readable=false;stream._readableState.needReadable=true}});stream.pause=function(){paused=true;this.emit("pause")};stream.resume=function(){paused=false;if(readable)process.nextTick(function(){stream.emit("readable")});else this.read(0);this.emit("resume")};stream.emit("readable")}Readable.prototype.wrap=function(stream){var state=this._readableState;var paused=false;var self=this;stream.on("end",function(){if(state.decoder&&!state.ended){var chunk=state.decoder.end();if(chunk&&chunk.length)self.push(chunk)}self.push(null)});stream.on("data",function(chunk){if(state.decoder)chunk=state.decoder.write(chunk);if(state.objectMode&&(chunk===null||chunk===undefined))return;else if(!state.objectMode&&(!chunk||!chunk.length))return;var ret=self.push(chunk);if(!ret){paused=true;stream.pause()}});for(var i in stream){if(typeof stream[i]==="function"&&typeof this[i]==="undefined"){this[i]=function(method){return function(){return stream[method].apply(stream,arguments)}}(i)}}var events=["error","close","destroy","pause","resume"];forEach(events,function(ev){stream.on(ev,self.emit.bind(self,ev))});self._read=function(n){if(paused){paused=false;stream.resume()}};return self};Readable._fromList=fromList;function fromList(n,state){var list=state.buffer;var length=state.length;var stringMode=!!state.decoder;var objectMode=!!state.objectMode;var ret;if(list.length===0)return null;if(length===0)ret=null;else if(objectMode)ret=list.shift();else if(!n||n>=length){if(stringMode)ret=list.join("");else ret=Buffer.concat(list,length);list.length=0}else{if(n<list[0].length){var buf=list[0];ret=buf.slice(0,n);list[0]=buf.slice(n)}else if(n===list[0].length){ret=list.shift()}else{if(stringMode)ret="";else ret=new Buffer(n);var c=0;for(var i=0,l=list.length;i<l&&c<n;i++){var buf=list[0];var cpy=Math.min(n-c,buf.length);if(stringMode)ret+=buf.slice(0,cpy);else buf.copy(ret,c,0,cpy);if(cpy<buf.length)list[0]=buf.slice(cpy);else list.shift();c+=cpy}}}return ret}function endReadable(stream){var state=stream._readableState;if(state.length>0)throw new Error("endReadable called on non-empty stream");if(!state.endEmitted&&state.calledRead){state.ended=true;process.nextTick(function(){if(!state.endEmitted&&state.length===0){state.endEmitted=true;stream.readable=false;stream.emit("end")}})}}function forEach(xs,f){for(var i=0,l=xs.length;i<l;i++){f(xs[i],i)}}function indexOf(xs,x){for(var i=0,l=xs.length;i<l;i++){if(xs[i]===x)return i}return-1}}).call(this,require("_process"))},{_process:10,buffer:2,"core-util-is":17,events:6,inherits:7,isarray:8,stream:22,"string_decoder/":23}],15:[function(require,module,exports){module.exports=Transform;var Duplex=require("./_stream_duplex");var util=require("core-util-is");util.inherits=require("inherits");util.inherits(Transform,Duplex);function TransformState(options,stream){this.afterTransform=function(er,data){return afterTransform(stream,er,data)};this.needTransform=false;this.transforming=false;this.writecb=null;this.writechunk=null}function afterTransform(stream,er,data){var ts=stream._transformState;ts.transforming=false;var cb=ts.writecb;if(!cb)return stream.emit("error",new Error("no writecb in Transform class"));ts.writechunk=null;ts.writecb=null;if(data!==null&&data!==undefined)stream.push(data);if(cb)cb(er);var rs=stream._readableState;rs.reading=false;if(rs.needReadable||rs.length<rs.highWaterMark){stream._read(rs.highWaterMark)}}function Transform(options){if(!(this instanceof Transform))return new Transform(options);Duplex.call(this,options);var ts=this._transformState=new TransformState(options,this);var stream=this;this._readableState.needReadable=true;this._readableState.sync=false;this.once("finish",function(){if("function"===typeof this._flush)this._flush(function(er){done(stream,er)});else done(stream)})}Transform.prototype.push=function(chunk,encoding){this._transformState.needTransform=false;return Duplex.prototype.push.call(this,chunk,encoding)};Transform.prototype._transform=function(chunk,encoding,cb){throw new Error("not implemented")};Transform.prototype._write=function(chunk,encoding,cb){var ts=this._transformState;ts.writecb=cb;ts.writechunk=chunk;ts.writeencoding=encoding;if(!ts.transforming){var rs=this._readableState;if(ts.needTransform||rs.needReadable||rs.length<rs.highWaterMark)this._read(rs.highWaterMark)}};Transform.prototype._read=function(n){var ts=this._transformState;if(ts.writechunk!==null&&ts.writecb&&!ts.transforming){ts.transforming=true;this._transform(ts.writechunk,ts.writeencoding,ts.afterTransform)}else{ts.needTransform=true}};function done(stream,er){if(er)return stream.emit("error",er);var ws=stream._writableState;var rs=stream._readableState;var ts=stream._transformState;if(ws.length)throw new Error("calling transform done when ws.length != 0");if(ts.transforming)throw new Error("calling transform done when still transforming");return stream.push(null)}},{"./_stream_duplex":12,"core-util-is":17,inherits:7}],16:[function(require,module,exports){(function(process){module.exports=Writable;var Buffer=require("buffer").Buffer;Writable.WritableState=WritableState;var util=require("core-util-is");util.inherits=require("inherits");var Stream=require("stream");util.inherits(Writable,Stream);function WriteReq(chunk,encoding,cb){this.chunk=chunk;this.encoding=encoding;this.callback=cb}function WritableState(options,stream){options=options||{};var hwm=options.highWaterMark;this.highWaterMark=hwm||hwm===0?hwm:16*1024;this.objectMode=!!options.objectMode;this.highWaterMark=~~this.highWaterMark;this.needDrain=false;this.ending=false;this.ended=false;this.finished=false;var noDecode=options.decodeStrings===false;this.decodeStrings=!noDecode;this.defaultEncoding=options.defaultEncoding||"utf8";this.length=0;this.writing=false;this.sync=true;this.bufferProcessing=false;this.onwrite=function(er){onwrite(stream,er)};this.writecb=null;this.writelen=0;this.buffer=[];this.errorEmitted=false}function Writable(options){var Duplex=require("./_stream_duplex");if(!(this instanceof Writable)&&!(this instanceof Duplex))return new Writable(options);this._writableState=new WritableState(options,this);this.writable=true;Stream.call(this)}Writable.prototype.pipe=function(){this.emit("error",new Error("Cannot pipe. Not readable."))};function writeAfterEnd(stream,state,cb){var er=new Error("write after end");stream.emit("error",er);process.nextTick(function(){cb(er)})}function validChunk(stream,state,chunk,cb){var valid=true;if(!Buffer.isBuffer(chunk)&&"string"!==typeof chunk&&chunk!==null&&chunk!==undefined&&!state.objectMode){var er=new TypeError("Invalid non-string/buffer chunk");stream.emit("error",er);process.nextTick(function(){cb(er)});valid=false}return valid}Writable.prototype.write=function(chunk,encoding,cb){var state=this._writableState;var ret=false;if(typeof encoding==="function"){cb=encoding;encoding=null}if(Buffer.isBuffer(chunk))encoding="buffer";else if(!encoding)encoding=state.defaultEncoding;if(typeof cb!=="function")cb=function(){};if(state.ended)writeAfterEnd(this,state,cb);else if(validChunk(this,state,chunk,cb))ret=writeOrBuffer(this,state,chunk,encoding,cb);return ret};function decodeChunk(state,chunk,encoding){if(!state.objectMode&&state.decodeStrings!==false&&typeof chunk==="string"){chunk=new Buffer(chunk,encoding)}return chunk}function writeOrBuffer(stream,state,chunk,encoding,cb){chunk=decodeChunk(state,chunk,encoding);if(Buffer.isBuffer(chunk))encoding="buffer";var len=state.objectMode?1:chunk.length;state.length+=len;var ret=state.length<state.highWaterMark;if(!ret)state.needDrain=true;if(state.writing)state.buffer.push(new WriteReq(chunk,encoding,cb));else doWrite(stream,state,len,chunk,encoding,cb);return ret}function doWrite(stream,state,len,chunk,encoding,cb){state.writelen=len;state.writecb=cb;state.writing=true;state.sync=true;stream._write(chunk,encoding,state.onwrite);state.sync=false}function onwriteError(stream,state,sync,er,cb){if(sync)process.nextTick(function(){cb(er)});else cb(er);stream._writableState.errorEmitted=true;stream.emit("error",er)}function onwriteStateUpdate(state){state.writing=false;state.writecb=null;state.length-=state.writelen;state.writelen=0}function onwrite(stream,er){var state=stream._writableState;var sync=state.sync;var cb=state.writecb;onwriteStateUpdate(state);if(er)onwriteError(stream,state,sync,er,cb);else{var finished=needFinish(stream,state);if(!finished&&!state.bufferProcessing&&state.buffer.length)clearBuffer(stream,state);if(sync){process.nextTick(function(){afterWrite(stream,state,finished,cb)})}else{afterWrite(stream,state,finished,cb)}}}function afterWrite(stream,state,finished,cb){if(!finished)onwriteDrain(stream,state);cb();if(finished)finishMaybe(stream,state)}function onwriteDrain(stream,state){if(state.length===0&&state.needDrain){state.needDrain=false;stream.emit("drain")}}function clearBuffer(stream,state){state.bufferProcessing=true;for(var c=0;c<state.buffer.length;c++){var entry=state.buffer[c];var chunk=entry.chunk;var encoding=entry.encoding;var cb=entry.callback;var len=state.objectMode?1:chunk.length;doWrite(stream,state,len,chunk,encoding,cb);if(state.writing){c++;break}}state.bufferProcessing=false;if(c<state.buffer.length)state.buffer=state.buffer.slice(c);else state.buffer.length=0}Writable.prototype._write=function(chunk,encoding,cb){cb(new Error("not implemented"))};Writable.prototype.end=function(chunk,encoding,cb){var state=this._writableState;if(typeof chunk==="function"){cb=chunk;chunk=null;encoding=null}else if(typeof encoding==="function"){cb=encoding;encoding=null}if(typeof chunk!=="undefined"&&chunk!==null)this.write(chunk,encoding);if(!state.ending&&!state.finished)endWritable(this,state,cb)};function needFinish(stream,state){return state.ending&&state.length===0&&!state.finished&&!state.writing}function finishMaybe(stream,state){var need=needFinish(stream,state);if(need){state.finished=true;stream.emit("finish")}return need}function endWritable(stream,state,cb){state.ending=true;finishMaybe(stream,state);if(cb){if(state.finished)process.nextTick(cb);else stream.once("finish",cb)}state.ended=true}}).call(this,require("_process"))},{"./_stream_duplex":12,_process:10,buffer:2,"core-util-is":17,inherits:7,stream:22}],17:[function(require,module,exports){(function(Buffer){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;function isBuffer(arg){return Buffer.isBuffer(arg)}exports.isBuffer=isBuffer;function objectToString(o){return Object.prototype.toString.call(o)}}).call(this,require("buffer").Buffer)},{buffer:2}],18:[function(require,module,exports){module.exports=require("./lib/_stream_passthrough.js")},{"./lib/_stream_passthrough.js":13}],19:[function(require,module,exports){var Stream=require("stream");exports=module.exports=require("./lib/_stream_readable.js");exports.Stream=Stream;exports.Readable=exports;exports.Writable=require("./lib/_stream_writable.js");

exports.Duplex=require("./lib/_stream_duplex.js");exports.Transform=require("./lib/_stream_transform.js");exports.PassThrough=require("./lib/_stream_passthrough.js")},{"./lib/_stream_duplex.js":12,"./lib/_stream_passthrough.js":13,"./lib/_stream_readable.js":14,"./lib/_stream_transform.js":15,"./lib/_stream_writable.js":16,stream:22}],20:[function(require,module,exports){module.exports=require("./lib/_stream_transform.js")},{"./lib/_stream_transform.js":15}],21:[function(require,module,exports){module.exports=require("./lib/_stream_writable.js")},{"./lib/_stream_writable.js":16}],22:[function(require,module,exports){module.exports=Stream;var EE=require("events").EventEmitter;var inherits=require("inherits");inherits(Stream,EE);Stream.Readable=require("readable-stream/readable.js");Stream.Writable=require("readable-stream/writable.js");Stream.Duplex=require("readable-stream/duplex.js");Stream.Transform=require("readable-stream/transform.js");Stream.PassThrough=require("readable-stream/passthrough.js");Stream.Stream=Stream;function Stream(){EE.call(this)}Stream.prototype.pipe=function(dest,options){var source=this;function ondata(chunk){if(dest.writable){if(false===dest.write(chunk)&&source.pause){source.pause()}}}source.on("data",ondata);function ondrain(){if(source.readable&&source.resume){source.resume()}}dest.on("drain",ondrain);if(!dest._isStdio&&(!options||options.end!==false)){source.on("end",onend);source.on("close",onclose)}var didOnEnd=false;function onend(){if(didOnEnd)return;didOnEnd=true;dest.end()}function onclose(){if(didOnEnd)return;didOnEnd=true;if(typeof dest.destroy==="function")dest.destroy()}function onerror(er){cleanup();if(EE.listenerCount(this,"error")===0){throw er}}source.on("error",onerror);dest.on("error",onerror);function cleanup(){source.removeListener("data",ondata);dest.removeListener("drain",ondrain);source.removeListener("end",onend);source.removeListener("close",onclose);source.removeListener("error",onerror);dest.removeListener("error",onerror);source.removeListener("end",cleanup);source.removeListener("close",cleanup);dest.removeListener("close",cleanup)}source.on("end",cleanup);source.on("close",cleanup);dest.on("close",cleanup);dest.emit("pipe",source);return dest}},{events:6,inherits:7,"readable-stream/duplex.js":11,"readable-stream/passthrough.js":18,"readable-stream/readable.js":19,"readable-stream/transform.js":20,"readable-stream/writable.js":21}],23:[function(require,module,exports){var Buffer=require("buffer").Buffer;var isBufferEncoding=Buffer.isEncoding||function(encoding){switch(encoding&&encoding.toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"binary":case"base64":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":case"raw":return true;default:return false}};function assertEncoding(encoding){if(encoding&&!isBufferEncoding(encoding)){throw new Error("Unknown encoding: "+encoding)}}var StringDecoder=exports.StringDecoder=function(encoding){this.encoding=(encoding||"utf8").toLowerCase().replace(/[-_]/,"");assertEncoding(encoding);switch(this.encoding){case"utf8":this.surrogateSize=3;break;case"ucs2":case"utf16le":this.surrogateSize=2;this.detectIncompleteChar=utf16DetectIncompleteChar;break;case"base64":this.surrogateSize=3;this.detectIncompleteChar=base64DetectIncompleteChar;break;default:this.write=passThroughWrite;return}this.charBuffer=new Buffer(6);this.charReceived=0;this.charLength=0};StringDecoder.prototype.write=function(buffer){var charStr="";while(this.charLength){var available=buffer.length>=this.charLength-this.charReceived?this.charLength-this.charReceived:buffer.length;buffer.copy(this.charBuffer,this.charReceived,0,available);this.charReceived+=available;if(this.charReceived<this.charLength){return""}buffer=buffer.slice(available,buffer.length);charStr=this.charBuffer.slice(0,this.charLength).toString(this.encoding);var charCode=charStr.charCodeAt(charStr.length-1);if(charCode>=55296&&charCode<=56319){this.charLength+=this.surrogateSize;charStr="";continue}this.charReceived=this.charLength=0;if(buffer.length===0){return charStr}break}this.detectIncompleteChar(buffer);var end=buffer.length;if(this.charLength){buffer.copy(this.charBuffer,0,buffer.length-this.charReceived,end);end-=this.charReceived}charStr+=buffer.toString(this.encoding,0,end);var end=charStr.length-1;var charCode=charStr.charCodeAt(end);if(charCode>=55296&&charCode<=56319){var size=this.surrogateSize;this.charLength+=size;this.charReceived+=size;this.charBuffer.copy(this.charBuffer,size,0,size);buffer.copy(this.charBuffer,0,0,size);return charStr.substring(0,end)}return charStr};StringDecoder.prototype.detectIncompleteChar=function(buffer){var i=buffer.length>=3?3:buffer.length;for(;i>0;i--){var c=buffer[buffer.length-i];if(i==1&&c>>5==6){this.charLength=2;break}if(i<=2&&c>>4==14){this.charLength=3;break}if(i<=3&&c>>3==30){this.charLength=4;break}}this.charReceived=i};StringDecoder.prototype.end=function(buffer){var res="";if(buffer&&buffer.length)res=this.write(buffer);if(this.charReceived){var cr=this.charReceived;var buf=this.charBuffer;var enc=this.encoding;res+=buf.slice(0,cr).toString(enc)}return res};function passThroughWrite(buffer){return buffer.toString(this.encoding)}function utf16DetectIncompleteChar(buffer){this.charReceived=buffer.length%2;this.charLength=this.charReceived?2:0}function base64DetectIncompleteChar(buffer){this.charReceived=buffer.length%3;this.charLength=this.charReceived?3:0}},{buffer:2}],24:[function(require,module,exports){(function(process){var through=require("through");var fs=require("fs");module.exports=function(){var line="";var stream=through(write,flush);return stream;function write(buf){for(var i=0;i<buf.length;i++){var c=typeof buf==="string"?buf.charAt(i):String.fromCharCode(buf[i]);if(c==="\n")flush();else line+=c}}function flush(){if(fs.writeSync&&/^win/.test(process.platform)){try{fs.writeSync(1,line+"\n")}catch(e){stream.emit("error",e)}}else{try{console.log(line)}catch(e){stream.emit("error",e)}}line=""}}}).call(this,require("_process"))},{_process:10,fs:1,through:34}],25:[function(require,module,exports){(function(process){var EventEmitter=require("events").EventEmitter;var inherits=require("inherits");var through=require("through");var resumer=require("resumer");var inspect=require("object-inspect");var nextTick=typeof setImmediate!=="undefined"?setImmediate:process.nextTick;module.exports=Results;inherits(Results,EventEmitter);function Results(){if(!(this instanceof Results))return new Results;this.count=0;this.fail=0;this.pass=0;this._stream=through();this.tests=[]}Results.prototype.createStream=function(opts){if(!opts)opts={};var self=this;var output,testId=0;if(opts.objectMode){output=through();self.on("_push",function ontest(t,extra){if(!extra)extra={};var id=testId++;t.once("prerun",function(){var row={type:"test",name:t.name,id:id};if(has(extra,"parent")){row.parent=extra.parent}output.queue(row)});t.on("test",function(st){ontest(st,{parent:id})});t.on("result",function(res){res.test=id;res.type="assert";output.queue(res)});t.on("end",function(){output.queue({type:"end",test:id})})});self.on("done",function(){output.queue(null)})}else{output=resumer();output.queue("TAP version 13\n");self._stream.pipe(output)}nextTick(function next(){var t;while(t=getNextTest(self)){t.run();if(!t.ended)return t.once("end",function(){nextTick(next)})}self.emit("done")});return output};Results.prototype.push=function(t){var self=this;self.tests.push(t);self._watch(t);self.emit("_push",t)};Results.prototype.only=function(name){if(this._only){self.count++;self.fail++;write("not ok "+self.count+" already called .only()\n")}this._only=name};Results.prototype._watch=function(t){var self=this;var write=function(s){self._stream.queue(s)};t.once("prerun",function(){write("# "+t.name+"\n")});t.on("result",function(res){if(typeof res==="string"){write("# "+res+"\n");return}write(encodeResult(res,self.count+1));self.count++;if(res.ok)self.pass++;else self.fail++});t.on("test",function(st){self._watch(st)})};Results.prototype.close=function(){var self=this;if(self.closed)self._stream.emit("error",new Error("ALREADY CLOSED"));self.closed=true;var write=function(s){self._stream.queue(s)};write("\n1.."+self.count+"\n");write("# tests "+self.count+"\n");write("# pass  "+self.pass+"\n");if(self.fail)write("# fail  "+self.fail+"\n");else write("\n# ok\n");self._stream.queue(null)};function encodeResult(res,count){var output="";output+=(res.ok?"ok ":"not ok ")+count;output+=res.name?" "+res.name.toString().replace(/\s+/g," "):"";if(res.skip)output+=" # SKIP";else if(res.todo)output+=" # TODO";output+="\n";if(res.ok)return output;var outer="  ";var inner=outer+"  ";output+=outer+"---\n";output+=inner+"operator: "+res.operator+"\n";if(has(res,"expected")||has(res,"actual")){var ex=inspect(res.expected);var ac=inspect(res.actual);if(Math.max(ex.length,ac.length)>65){output+=inner+"expected:\n"+inner+"  "+ex+"\n";output+=inner+"actual:\n"+inner+"  "+ac+"\n"}else{output+=inner+"expected: "+ex+"\n";output+=inner+"actual:   "+ac+"\n"}}if(res.at){output+=inner+"at: "+res.at+"\n"}if(res.operator==="error"&&res.actual&&res.actual.stack){var lines=String(res.actual.stack).split("\n");output+=inner+"stack:\n";output+=inner+"  "+lines[0]+"\n";for(var i=1;i<lines.length;i++){output+=inner+lines[i]+"\n"}}output+=outer+"...\n";return output}function getNextTest(results){if(!results._only){return results.tests.shift()}do{var t=results.tests.shift();if(!t)continue;if(results._only===t.name){return t}}while(results.tests.length!==0)}function has(obj,prop){return Object.prototype.hasOwnProperty.call(obj,prop)}}).call(this,require("_process"))},{_process:10,events:6,inherits:31,"object-inspect":32,resumer:33,through:34}],26:[function(require,module,exports){(function(process,__dirname){var deepEqual=require("deep-equal");var defined=require("defined");var path=require("path");var inherits=require("inherits");var EventEmitter=require("events").EventEmitter;module.exports=Test;var nextTick=typeof setImmediate!=="undefined"?setImmediate:process.nextTick;inherits(Test,EventEmitter);var getTestArgs=function(name_,opts_,cb_){var name="(anonymous)";var opts={};var cb;for(var i=0;i<arguments.length;i++){var arg=arguments[i];var t=typeof arg;if(t==="string"){name=arg}else if(t==="object"){opts=arg||opts}else if(t==="function"){cb=arg}}return{name:name,opts:opts,cb:cb}};function Test(name_,opts_,cb_){if(!(this instanceof Test)){return new Test(name_,opts_,cb_)}var args=getTestArgs(name_,opts_,cb_);this.readable=true;this.name=args.name||"(anonymous)";this.assertCount=0;this.pendingCount=0;this._skip=args.opts.skip||false;this._plan=undefined;this._cb=args.cb;this._progeny=[];this._ok=true;if(args.opts.timeout!==undefined){this.timeoutAfter(args.opts.timeout)}for(var prop in this){this[prop]=function bind(self,val){if(typeof val==="function"){return function bound(){return val.apply(self,arguments)}}else return val}(this,this[prop])}}Test.prototype.run=function(){if(!this._cb||this._skip){return this._end()}this.emit("prerun");this._cb(this);this.emit("run")};Test.prototype.test=function(name,opts,cb){var self=this;var t=new Test(name,opts,cb);this._progeny.push(t);this.pendingCount++;this.emit("test",t);t.on("prerun",function(){self.assertCount++});if(!self._pendingAsserts()){nextTick(function(){self._end()})}nextTick(function(){if(!self._plan&&self.pendingCount==self._progeny.length){self._end()}})};Test.prototype.comment=function(msg){this.emit("result",msg.trim().replace(/^#\s*/,""))};Test.prototype.plan=function(n){this._plan=n;this.emit("plan",n)};Test.prototype.timeoutAfter=function(ms){if(!ms)throw new Error("timeoutAfter requires a timespan");var self=this;var timeout=setTimeout(function(){self.fail("test timed out after "+ms+"ms");self.end()},ms);this.once("end",function(){clearTimeout(timeout)})};Test.prototype.end=function(err){var self=this;if(arguments.length>=1){this.ifError(err)}if(this.calledEnd){this.fail(".end() called twice")}this.calledEnd=true;this._end()};Test.prototype._end=function(err){var self=this;if(this._progeny.length){var t=this._progeny.shift();t.on("end",function(){self._end()});t.run();return}if(!this.ended)this.emit("end");var pendingAsserts=this._pendingAsserts();if(!this._planError&&this._plan!==undefined&&pendingAsserts){this._planError=true;this.fail("plan != count",{expected:this._plan,actual:this.assertCount})}this.ended=true};Test.prototype._exit=function(){if(this._plan!==undefined&&!this._planError&&this.assertCount!==this._plan){this._planError=true;this.fail("plan != count",{expected:this._plan,actual:this.assertCount,exiting:true})}else if(!this.ended){this.fail("test exited without ending",{exiting:true})}};Test.prototype._pendingAsserts=function(){if(this._plan===undefined){return 1}else{return this._plan-(this._progeny.length+this.assertCount)}};Test.prototype._assert=function assert(ok,opts){var self=this;var extra=opts.extra||{};var res={id:self.assertCount++,ok:Boolean(ok),skip:defined(extra.skip,opts.skip),name:defined(extra.message,opts.message,"(unnamed assert)"),operator:defined(extra.operator,opts.operator)};if(has(opts,"actual")||has(extra,"actual")){res.actual=defined(extra.actual,opts.actual)}if(has(opts,"expected")||has(extra,"expected")){res.expected=defined(extra.expected,opts.expected)}this._ok=Boolean(this._ok&&ok);if(!ok){res.error=defined(extra.error,opts.error,new Error(res.name))}if(!ok){var e=new Error("exception");var err=(e.stack||"").split("\n");var dir=path.dirname(__dirname)+"/";for(var i=0;i<err.length;i++){var m=/^[^\s]*\s*\bat\s+(.+)/.exec(err[i]);if(!m){continue}var s=m[1].split(/\s+/);var filem=/(\/[^:\s]+:(\d+)(?::(\d+))?)/.exec(s[1]);if(!filem){filem=/(\/[^:\s]+:(\d+)(?::(\d+))?)/.exec(s[2]);if(!filem){filem=/(\/[^:\s]+:(\d+)(?::(\d+))?)/.exec(s[3]);if(!filem){continue}}}if(filem[1].slice(0,dir.length)===dir){continue}res.functionName=s[0];res.file=filem[1];res.line=Number(filem[2]);if(filem[3])res.column=filem[3];res.at=m[1];break}}self.emit("result",res);var pendingAsserts=self._pendingAsserts();if(!pendingAsserts){if(extra.exiting){self._end()}else{nextTick(function(){self._end()})}}if(!self._planError&&pendingAsserts<0){self._planError=true;self.fail("plan != count",{expected:self._plan,actual:self._plan-pendingAsserts})}};Test.prototype.fail=function(msg,extra){this._assert(false,{message:msg,operator:"fail",extra:extra})};Test.prototype.pass=function(msg,extra){this._assert(true,{message:msg,operator:"pass",extra:extra})};Test.prototype.skip=function(msg,extra){this._assert(true,{message:msg,operator:"skip",skip:true,extra:extra})};Test.prototype.ok=Test.prototype["true"]=Test.prototype.assert=function(value,msg,extra){this._assert(value,{message:msg,operator:"ok",expected:true,actual:value,extra:extra})};Test.prototype.notOk=Test.prototype["false"]=Test.prototype.notok=function(value,msg,extra){this._assert(!value,{message:msg,operator:"notOk",expected:false,actual:value,extra:extra})};Test.prototype.error=Test.prototype.ifError=Test.prototype.ifErr=Test.prototype.iferror=function(err,msg,extra){this._assert(!err,{message:defined(msg,String(err)),operator:"error",actual:err,extra:extra})};Test.prototype.equal=Test.prototype.equals=Test.prototype.isEqual=Test.prototype.is=Test.prototype.strictEqual=Test.prototype.strictEquals=function(a,b,msg,extra){this._assert(a===b,{message:defined(msg,"should be equal"),operator:"equal",actual:a,expected:b,extra:extra})};Test.prototype.notEqual=Test.prototype.notEquals=Test.prototype.notStrictEqual=Test.prototype.notStrictEquals=Test.prototype.isNotEqual=Test.prototype.isNot=Test.prototype.not=Test.prototype.doesNotEqual=Test.prototype.isInequal=function(a,b,msg,extra){this._assert(a!==b,{message:defined(msg,"should not be equal"),operator:"notEqual",actual:a,notExpected:b,extra:extra})};Test.prototype.deepEqual=Test.prototype.deepEquals=Test.prototype.isEquivalent=Test.prototype.same=function(a,b,msg,extra){this._assert(deepEqual(a,b,{strict:true}),{message:defined(msg,"should be equivalent"),operator:"deepEqual",actual:a,expected:b,extra:extra})};Test.prototype.deepLooseEqual=Test.prototype.looseEqual=Test.prototype.looseEquals=function(a,b,msg,extra){this._assert(deepEqual(a,b),{message:defined(msg,"should be equivalent"),operator:"deepLooseEqual",actual:a,expected:b,extra:extra})};Test.prototype.notDeepEqual=Test.prototype.notEquivalent=Test.prototype.notDeeply=Test.prototype.notSame=Test.prototype.isNotDeepEqual=Test.prototype.isNotDeeply=Test.prototype.isNotEquivalent=Test.prototype.isInequivalent=function(a,b,msg,extra){this._assert(!deepEqual(a,b,{strict:true}),{message:defined(msg,"should not be equivalent"),operator:"notDeepEqual",actual:a,notExpected:b,extra:extra})};Test.prototype.notDeepLooseEqual=Test.prototype.notLooseEqual=Test.prototype.notLooseEquals=function(a,b,msg,extra){this._assert(!deepEqual(a,b),{message:defined(msg,"should be equivalent"),operator:"notDeepLooseEqual",actual:a,expected:b,extra:extra})};Test.prototype["throws"]=function(fn,expected,msg,extra){if(typeof expected==="string"){msg=expected;expected=undefined}var caught=undefined;try{fn()}catch(err){caught={error:err};var message=err.message;delete err.message;err.message=message}var passed=caught;if(expected instanceof RegExp){passed=expected.test(caught&&caught.error);expected=String(expected)}if(typeof expected==="function"){passed=caught.error instanceof expected;caught.error=caught.error.constructor}this._assert(passed,{message:defined(msg,"should throw"),operator:"throws",actual:caught&&caught.error,expected:expected,error:!passed&&caught&&caught.error,extra:extra})};Test.prototype.doesNotThrow=function(fn,expected,msg,extra){if(typeof expected==="string"){msg=expected;expected=undefined}var caught=undefined;try{fn()}catch(err){caught={error:err}}this._assert(!caught,{message:defined(msg,"should not throw"),operator:"throws",actual:caught&&caught.error,expected:expected,error:caught&&caught.error,extra:extra})};function has(obj,prop){return Object.prototype.hasOwnProperty.call(obj,prop)}Test.skip=function(name_,_opts,_cb){var args=getTestArgs.apply(null,arguments);args.opts.skip=true;return Test(args.name,args.opts,args.cb)}}).call(this,require("_process"),"/lib")},{_process:10,"deep-equal":27,defined:30,events:6,inherits:31,path:9}],27:[function(require,module,exports){var pSlice=Array.prototype.slice;var objectKeys=require("./lib/keys.js");var isArguments=require("./lib/is_arguments.js");var deepEqual=module.exports=function(actual,expected,opts){if(!opts)opts={};if(actual===expected){return true}else if(actual instanceof Date&&expected instanceof Date){return actual.getTime()===expected.getTime()}else if(typeof actual!="object"&&typeof expected!="object"){return opts.strict?actual===expected:actual==expected}else{return objEquiv(actual,expected,opts)}};function isUndefinedOrNull(value){return value===null||value===undefined}function isBuffer(x){if(!x||typeof x!=="object"||typeof x.length!=="number")return false;if(typeof x.copy!=="function"||typeof x.slice!=="function"){return false}if(x.length>0&&typeof x[0]!=="number")return false;return true}function objEquiv(a,b,opts){var i,key;if(isUndefinedOrNull(a)||isUndefinedOrNull(b))return false;if(a.prototype!==b.prototype)return false;if(isArguments(a)){if(!isArguments(b)){return false}a=pSlice.call(a);b=pSlice.call(b);return deepEqual(a,b,opts)}if(isBuffer(a)){if(!isBuffer(b)){return false}if(a.length!==b.length)return false;for(i=0;i<a.length;i++){if(a[i]!==b[i])return false}return true}try{var ka=objectKeys(a),kb=objectKeys(b)}catch(e){return false}if(ka.length!=kb.length)return false;ka.sort();kb.sort();for(i=ka.length-1;i>=0;i--){if(ka[i]!=kb[i])return false}for(i=ka.length-1;i>=0;i--){key=ka[i];if(!deepEqual(a[key],b[key],opts))return false}return typeof a===typeof b}},{"./lib/is_arguments.js":28,"./lib/keys.js":29}],28:[function(require,module,exports){var supportsArgumentsClass=function(){return Object.prototype.toString.call(arguments)}()=="[object Arguments]";exports=module.exports=supportsArgumentsClass?supported:unsupported;exports.supported=supported;function supported(object){return Object.prototype.toString.call(object)=="[object Arguments]"}exports.unsupported=unsupported;function unsupported(object){return object&&typeof object=="object"&&typeof object.length=="number"&&Object.prototype.hasOwnProperty.call(object,"callee")&&!Object.prototype.propertyIsEnumerable.call(object,"callee")||false}},{}],29:[function(require,module,exports){exports=module.exports=typeof Object.keys==="function"?Object.keys:shim;exports.shim=shim;function shim(obj){var keys=[];for(var key in obj)keys.push(key);return keys}},{}],30:[function(require,module,exports){module.exports=function(){for(var i=0;i<arguments.length;i++){if(arguments[i]!==undefined)return arguments[i]}}},{}],31:[function(require,module,exports){arguments[4][7][0].apply(exports,arguments)},{dup:7}],32:[function(require,module,exports){module.exports=function inspect_(obj,opts,depth,seen){if(!opts)opts={};var maxDepth=opts.depth===undefined?5:opts.depth;if(depth===undefined)depth=0;if(depth>maxDepth&&maxDepth>0)return"...";if(seen===undefined)seen=[];else if(indexOf(seen,obj)>=0){return"[Circular]"}function inspect(value,from){if(from){seen=seen.slice();seen.push(from)}return inspect_(value,opts,depth+1,seen)}if(typeof obj==="string"){return inspectString(obj)}else if(typeof obj==="function"){var name=nameOf(obj);return"[Function"+(name?": "+name:"")+"]"}else if(obj===null){return"null"}else if(isElement(obj)){var s="<"+String(obj.nodeName).toLowerCase();var attrs=obj.attributes||[];for(var i=0;i<attrs.length;i++){s+=" "+attrs[i].name+'="'+quote(attrs[i].value)+'"'}s+=">";if(obj.childNodes&&obj.childNodes.length)s+="...";s+="</"+String(obj.tagName).toLowerCase()+">";return s}else if(isArray(obj)){if(obj.length===0)return"[]";var xs=Array(obj.length);for(var i=0;i<obj.length;i++){xs[i]=has(obj,i)?inspect(obj[i],obj):""}return"[ "+xs.join(", ")+" ]"}else if(typeof obj==="object"&&typeof obj.inspect==="function"){return obj.inspect()}else if(typeof obj==="object"&&!isDate(obj)&&!isRegExp(obj)){var xs=[],keys=[];for(var key in obj){if(has(obj,key))keys.push(key)}keys.sort();for(var i=0;i<keys.length;i++){var key=keys[i];if(/[^\w$]/.test(key)){xs.push(inspect(key)+": "+inspect(obj[key],obj))}else xs.push(key+": "+inspect(obj[key],obj))}if(xs.length===0)return"{}";return"{ "+xs.join(", ")+" }"}else return String(obj)};function quote(s){return String(s).replace(/"/g,"&quot;")}function isArray(obj){return{}.toString.call(obj)==="[object Array]"}function isDate(obj){return{}.toString.call(obj)==="[object Date]"}function isRegExp(obj){return{}.toString.call(obj)==="[object RegExp]"}function has(obj,key){if(!{}.hasOwnProperty)return key in obj;return{}.hasOwnProperty.call(obj,key)}function nameOf(f){if(f.name)return f.name;var m=f.toString().match(/^function\s*([\w$]+)/);if(m)return m[1]}function indexOf(xs,x){if(xs.indexOf)return xs.indexOf(x);for(var i=0,l=xs.length;i<l;i++){if(xs[i]===x)return i}return-1}function isElement(x){if(!x||typeof x!=="object")return false;if(typeof HTMLElement!=="undefined"){return x instanceof HTMLElement}else return typeof x.nodeName==="string"&&typeof x.getAttribute==="function"}function inspectString(str){var s=str.replace(/(['\\])/g,"\\$1").replace(/[\x00-\x1f]/g,lowbyte);return"'"+s+"'";function lowbyte(c){var n=c.charCodeAt(0);var x={8:"b",9:"t",10:"n",12:"f",13:"r"}[n];if(x)return"\\"+x;return"\\x"+(n<16?"0":"")+n.toString(16)}}},{}],33:[function(require,module,exports){(function(process){var through=require("through");var nextTick=typeof setImmediate!=="undefined"?setImmediate:process.nextTick;module.exports=function(write,end){var tr=through(write,end);tr.pause();var resume=tr.resume;var pause=tr.pause;var paused=false;tr.pause=function(){paused=true;return pause.apply(this,arguments)};tr.resume=function(){paused=false;return resume.apply(this,arguments)};nextTick(function(){if(!paused)tr.resume()});return tr}}).call(this,require("_process"))},{_process:10,through:34}],34:[function(require,module,exports){(function(process){var Stream=require("stream");exports=module.exports=through;through.through=through;function through(write,end,opts){write=write||function(data){this.queue(data)};end=end||function(){this.queue(null)};var ended=false,destroyed=false,buffer=[],_ended=false;var stream=new Stream;stream.readable=stream.writable=true;stream.paused=false;stream.autoDestroy=!(opts&&opts.autoDestroy===false);stream.write=function(data){write.call(this,data);return!stream.paused};function drain(){while(buffer.length&&!stream.paused){var data=buffer.shift();if(null===data)return stream.emit("end");else stream.emit("data",data)}}stream.queue=stream.push=function(data){if(_ended)return stream;if(data==null)_ended=true;buffer.push(data);drain();return stream};stream.on("end",function(){stream.readable=false;if(!stream.writable&&stream.autoDestroy)process.nextTick(function(){stream.destroy()})});function _end(){stream.writable=false;end.call(stream);if(!stream.readable&&stream.autoDestroy)stream.destroy()}stream.end=function(data){if(ended)return;ended=true;if(arguments.length)stream.write(data);_end();return stream};stream.destroy=function(){if(destroyed)return;destroyed=true;ended=true;buffer.length=0;stream.writable=stream.readable=false;stream.emit("close");return stream};stream.pause=function(){if(stream.paused)return;stream.paused=true;return stream};stream.resume=function(){if(stream.paused){stream.paused=false;stream.emit("resume")}drain();if(!stream.paused)stream.emit("drain");return stream};return stream}}).call(this,require("_process"))},{_process:10,stream:22}],tape:[function(require,module,exports){(function(process){var defined=require("defined");var createDefaultStream=require("./lib/default_stream");var Test=require("./lib/test");var createResult=require("./lib/results");var through=require("through");var canEmitExit=typeof process!=="undefined"&&process&&typeof process.on==="function"&&process.browser!==true;var canExit=typeof process!=="undefined"&&process&&typeof process.exit==="function";var nextTick=typeof setImmediate!=="undefined"?setImmediate:process.nextTick;exports=module.exports=function(){var harness;var lazyLoad=function(){return getHarness().apply(this,arguments)};lazyLoad.only=function(){return getHarness().only.apply(this,arguments)};lazyLoad.createStream=function(opts){if(!opts)opts={};if(!harness){var output=through();getHarness({stream:output,objectMode:opts.objectMode});return output}return harness.createStream(opts)};return lazyLoad;function getHarness(opts){if(!opts)opts={};opts.autoclose=!canEmitExit;if(!harness)harness=createExitHarness(opts);return harness}}();function createExitHarness(conf){if(!conf)conf={};var harness=createHarness({autoclose:defined(conf.autoclose,false)});var stream=harness.createStream({objectMode:conf.objectMode});var es=stream.pipe(conf.stream||createDefaultStream());if(canEmitExit){es.on("error",function(err){harness._exitCode=1})}var ended=false;stream.on("end",function(){ended=true});if(conf.exit===false)return harness;if(!canEmitExit||!canExit)return harness;var inErrorState=false;process.on("exit",function(code){if(code!==0){return}if(!ended){var only=harness._results._only;for(var i=0;i<harness._tests.length;i++){var t=harness._tests[i];if(only&&t.name!==only)continue;t._exit()}}harness.close();process.exit(code||harness._exitCode)});return harness}exports.createHarness=createHarness;exports.Test=Test;exports.test=exports;exports.test.skip=Test.skip;var exitInterval;function createHarness(conf_){if(!conf_)conf_={};var results=createResult();if(conf_.autoclose!==false){results.once("done",function(){results.close()})}var test=function(name,conf,cb){var t=new Test(name,conf,cb);test._tests.push(t);(function inspectCode(st){st.on("test",function sub(st_){inspectCode(st_)});st.on("result",function(r){if(!r.ok)test._exitCode=1})})(t);results.push(t);return t};test._results=results;test._tests=[];test.createStream=function(opts){return results.createStream(opts)};var only=false;test.only=function(name){if(only)throw new Error("there can only be one only test");results.only(name);only=true;return test.apply(null,arguments)};test._exitCode=0;test.close=function(){results.close()};return test}}).call(this,require("_process"))},{"./lib/default_stream":24,"./lib/results":25,"./lib/test":26,_process:10,defined:30,through:34}]},{},[]);require("tap-browser-color")();var test=require("tape");test("it flattens!",function(t){var input={users:[{name:"name1",id:1,image:{"64x64":"http://1"}},{name:"name2",id:2,image:{"64x64":"http://2"}}],errors:[new Error("err1")],success:true};var expected={"users.0.name":"name1","users.0.id":1,"users.0.image.64x64":"http://1","users.1.name":"name2","users.1.id":2,"users.1.image.64x64":"http://2","users.length":2,"errors.0.columnNumber":input.errors[0].columnNumber,"errors.0.fileName":input.errors[0].fileName,"errors.0.lineNumber":input.errors[0].lineNumber,"errors.0.message":input.errors[0].message,"errors.0.stack":input.errors[0].stack,"errors.length":1,success:true};t.deepEqual(flatten(input),expected);t.end()});function flatten(obj,opt_out,opt_paths){var out=opt_out||{};var paths=opt_paths||[];return Object.getOwnPropertyNames(obj).reduce(function(out,key){paths.push(key);if(typeof obj[key]==="object"){flatten(obj[key],out,paths)}else{out[paths.join(".")]=obj[key]}paths.pop();return out},out)}

package.json

{
  "name": "object-flatten",
  "version": "1.0.0",
  "dependencies": {
    "tap-browser-color": "0.1.2",
    "tape": "3.5.0"
  }
}

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