requirebin sketch

index.js

var Model = require('ampersand-model'),
    Collection = require('ampersand-collection');
 
var Picture = Model.extend({
  urlRoot: '/picture',
  props: {
    path: { type: 'string' }
  },
  derived: {
    hasPath: {
      deps: ['path'],
      fn: function () {
        return !!this.path;
      }
    }
  }
});

var User = Model.extend({
  urlRoot: '/user',
  props: {
    name: { type: 'string' }
  },
  children: {
    picture: Picture
  }
});
 

var user = new User({ 
  name: 'Brian', 
  picture: { 
    path: 'http://www.gravatar.com/avatar/c8e8870ea60925d71dea30b3271c356c.png'
  }
});

user.picture.destroy({
  success: function () {
    user.picture.clear();
    console.log('success');
    console.log(user.picture.hasPath);
  },
  error: function() {
    console.log('err');
    console.log(user.picture.hasPath);
  }
});

minified.js

require=function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){var base64=require("base64-js");var ieee754=require("ieee754");var isArray=require("is-array");exports.Buffer=Buffer;exports.SlowBuffer=SlowBuffer;exports.INSPECT_MAX_BYTES=50;Buffer.poolSize=8192;var kMaxLength=1073741823;var rootParent={};Buffer.TYPED_ARRAY_SUPPORT=function(){try{var buf=new ArrayBuffer(0);var arr=new Uint8Array(buf);arr.foo=function(){return 42};return 42===arr.foo()&&typeof arr.subarray==="function"&&new Uint8Array(1).subarray(1,1).byteLength===0}catch(e){return false}}();function Buffer(subject,encoding,noZero){if(!(this instanceof Buffer))return new Buffer(subject,encoding,noZero);var type=typeof subject;var length;if(type==="number")length=subject>0?subject>>>0:0;else if(type==="string"){length=Buffer.byteLength(subject,encoding)}else if(type==="object"&&subject!==null){if(subject.type==="Buffer"&&isArray(subject.data))subject=subject.data;length=+subject.length>0?Math.floor(+subject.length):0}else throw new TypeError("must start with number, buffer, array or string");if(length>kMaxLength)throw new RangeError("Attempt to allocate Buffer larger than maximum "+"size: 0x"+kMaxLength.toString(16)+" bytes");var buf;if(Buffer.TYPED_ARRAY_SUPPORT){buf=Buffer._augment(new Uint8Array(length))}else{buf=this;buf.length=length;buf._isBuffer=true}var i;if(Buffer.TYPED_ARRAY_SUPPORT&&typeof subject.byteLength==="number"){buf._set(subject)}else if(isArrayish(subject)){if(Buffer.isBuffer(subject)){for(i=0;i<length;i++)buf[i]=subject.readUInt8(i)}else{for(i=0;i<length;i++)buf[i]=(subject[i]%256+256)%256}}else if(type==="string"){buf.write(subject,0,encoding)}else if(type==="number"&&!Buffer.TYPED_ARRAY_SUPPORT&&!noZero){for(i=0;i<length;i++){buf[i]=0}}if(length>0&&length<=Buffer.poolSize)buf.parent=rootParent;return buf}function SlowBuffer(subject,encoding,noZero){if(!(this instanceof SlowBuffer))return new SlowBuffer(subject,encoding,noZero);var buf=new Buffer(subject,encoding,noZero);delete buf.parent;return buf}Buffer.isBuffer=function(b){return!!(b!=null&&b._isBuffer)};Buffer.compare=function(a,b){if(!Buffer.isBuffer(a)||!Buffer.isBuffer(b))throw new TypeError("Arguments must be Buffers");var x=a.length;var y=b.length;for(var i=0,len=Math.min(x,y);i<len&&a[i]===b[i];i++){}if(i!==len){x=a[i];y=b[i]}if(x<y)return-1;if(y<x)return 1;return 0};Buffer.isEncoding=function(encoding){switch(String(encoding).toLowerCase()){case"hex":case"utf8":case"utf-8":case"ascii":case"binary":case"base64":case"raw":case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":return true;default:return false}};Buffer.concat=function(list,totalLength){if(!isArray(list))throw new TypeError("Usage: Buffer.concat(list[, length])");if(list.length===0){return new Buffer(0)}else if(list.length===1){return list[0]}var i;if(totalLength===undefined){totalLength=0;for(i=0;i<list.length;i++){totalLength+=list[i].length}}var buf=new Buffer(totalLength);var pos=0;for(i=0;i<list.length;i++){var item=list[i];item.copy(buf,pos);pos+=item.length}return buf};Buffer.byteLength=function(str,encoding){var ret;str=str+"";switch(encoding||"utf8"){case"ascii":case"binary":case"raw":ret=str.length;break;case"ucs2":case"ucs-2":case"utf16le":case"utf-16le":ret=str.length*2;break;case"hex":ret=str.length>>>1;break;case"utf8":case"utf-8":ret=utf8ToBytes(str).length;break;case"base64":ret=base64ToBytes(str).length;break;default:ret=str.length}return ret};Buffer.prototype.length=undefined;Buffer.prototype.parent=undefined;Buffer.prototype.toString=function(encoding,start,end){var loweredCase=false;start=start>>>0;end=end===undefined||end===Infinity?this.length:end>>>0;if(!encoding)encoding="utf8";if(start<0)start=0;if(end>this.length)end=this.length;if(end<=start)return"";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"binary":return 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+=" ... "}return"<Buffer "+str+">"};Buffer.prototype.compare=function(b){if(!Buffer.isBuffer(b))throw new TypeError("Argument must be a Buffer");return Buffer.compare(this,b)};Buffer.prototype.get=function(offset){console.log(".get() is deprecated. Access using array indexes instead.");return this.readUInt8(offset)};Buffer.prototype.set=function(v,offset){console.log(".set() is deprecated. Access using array indexes instead.");return this.writeUInt8(v,offset)};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 Error("Invalid hex string");if(length>strLen/2){length=strLen/2}for(var i=0;i<length;i++){var byte=parseInt(string.substr(i*2,2),16);if(isNaN(byte))throw new Error("Invalid hex string");buf[offset+i]=byte}return i}function utf8Write(buf,string,offset,length){var charsWritten=blitBuffer(utf8ToBytes(string,buf.length-offset),buf,offset,length);return charsWritten}function asciiWrite(buf,string,offset,length){var charsWritten=blitBuffer(asciiToBytes(string),buf,offset,length);return charsWritten}function binaryWrite(buf,string,offset,length){return asciiWrite(buf,string,offset,length)}function base64Write(buf,string,offset,length){var 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 newBuf;if(Buffer.TYPED_ARRAY_SUPPORT){newBuf=Buffer._augment(this.subarray(start,end))}else{var sliceLen=end-start;newBuf=new Buffer(sliceLen,undefined,true);for(var i=0;i<sliceLen;i++){newBuf[i]=this[i+start]}}if(newBuf.length)newBuf.parent=this.parent||this;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(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(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(offset,noAssert){if(!noAssert)checkOffset(offset,1,this.length);return this[offset]};Buffer.prototype.readUInt16LE=function(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);return this[offset]|this[offset+1]<<8};Buffer.prototype.readUInt16BE=function(offset,noAssert){if(!noAssert)checkOffset(offset,2,this.length);return this[offset]<<8|this[offset+1]};Buffer.prototype.readUInt32LE=function(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(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(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":2,ieee754:3,"is-array":4}],2:[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)},{}],3:[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}},{}],4:[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)}},{}],5:[function(require,module,exports){if(typeof window!=="undefined"){window.ampersand=window.ampersand||{};window.ampersand["ampersand-state"]=window.ampersand["ampersand-state"]||[];window.ampersand["ampersand-state"].push("4.4.5")}var _=require("underscore");var BBEvents=require("backbone-events-standalone");var KeyTree=require("key-tree-store");var arrayNext=require("array-next");var changeRE=/^change:/;function Base(attrs,options){options||(options={});this.cid||(this.cid=_.uniqueId("state"));this._events={};this._values={};this._definition=Object.create(this._definition);if(options.parse)attrs=this.parse(attrs,options);this.parent=options.parent;this.collection=options.collection;this._keyTree=new KeyTree;this._initCollections();this._initChildren();this._cache={};this._previousAttributes={};if(attrs)this.set(attrs,_.extend({silent:true,initial:true},options));this._changed={};if(this._derived)this._initDerived();if(options.init!==false)this.initialize.apply(this,arguments)}_.extend(Base.prototype,BBEvents,{extraProperties:"ignore",idAttribute:"id",namespaceAttribute:"namespace",typeAttribute:"modelType",initialize:function(){return this},getId:function(){return this[this.idAttribute]},getNamespace:function(){return this[this.namespaceAttribute]},getType:function(){return this[this.typeAttribute]},isNew:function(){return this.getId()==null},escape:function(attr){return _.escape(this.get(attr))},isValid:function(options){return this._validate({},_.extend(options||{},{validate:true}))},parse:function(resp,options){return resp},serialize:function(){var res=this.getAttributes({props:true},true);_.each(this._children,function(value,key){res[key]=this[key].serialize()},this);_.each(this._collections,function(value,key){res[key]=this[key].serialize()},this);return res},set:function(key,value,options){var self=this;var extraProperties=this.extraProperties;var triggers=[];var changing,changes,newType,newVal,def,cast,err,attr,attrs,dataType,silent,unset,currentVal,initial,hasChanged,isEqual;if(_.isObject(key)||key===null){attrs=key;options=value}else{attrs={};attrs[key]=value}options=options||{};if(!this._validate(attrs,options))return false;unset=options.unset;silent=options.silent;initial=options.initial;changes=[];changing=this._changing;this._changing=true;if(!changing){this._previousAttributes=this.attributes;this._changed={}}for(attr in attrs){newVal=attrs[attr];newType=typeof newVal;currentVal=this._values[attr];def=this._definition[attr];if(!def){if(this._children[attr]||this._collections[attr]){this[attr].set(newVal,options);continue}else if(extraProperties==="ignore"){continue}else if(extraProperties==="reject"){throw new TypeError('No "'+attr+'" property defined on '+(this.type||"this")+' model and extraProperties not set to "ignore" or "allow"')}else if(extraProperties==="allow"){def=this._createPropertyDefinition(attr,"any")}else if(extraProperties){throw new TypeError('Invalid value for extraProperties: "'+extraProperties+'"')}}isEqual=this._getCompareForType(def.type);dataType=this._dataTypes[def.type];if(dataType&&dataType.set){cast=dataType.set(newVal);newVal=cast.val;newType=cast.type}if(def.test){err=def.test.call(this,newVal,newType);if(err){throw new TypeError("Property '"+attr+"' failed validation with error: "+err)
}}if(_.isUndefined(newVal)&&def.required){throw new TypeError("Required property '"+attr+"' must be of type "+def.type+". Tried to set "+newVal)}if(_.isNull(newVal)&&def.required&&!def.allowNull){throw new TypeError("Property '"+attr+"' must be of type "+def.type+" (cannot be null). Tried to set "+newVal)}if(def.type&&def.type!=="any"&&def.type!==newType&&!_.isNull(newVal)&&!_.isUndefined(newVal)){throw new TypeError("Property '"+attr+"' must be of type "+def.type+". Tried to set "+newVal)}if(def.values&&!_.contains(def.values,newVal)){throw new TypeError("Property '"+attr+"' must be one of values: "+def.values.join(", ")+". Tried to set "+newVal)}hasChanged=!isEqual(currentVal,newVal,attr);if(def.setOnce&&currentVal!==undefined&&hasChanged&&!initial){throw new TypeError("Property '"+attr+"' can only be set once.")}if(hasChanged){changes.push({prev:currentVal,val:newVal,key:attr});self._changed[attr]=newVal}else{delete self._changed[attr]}}_.each(changes,function(change){self._previousAttributes[change.key]=change.prev;if(unset){delete self._values[change.key]}else{self._values[change.key]=change.val}});if(!silent&&changes.length)self._pending=true;if(!silent){_.each(changes,function(change){self.trigger("change:"+change.key,self,change.val,options)})}if(changing)return this;if(!silent){while(this._pending){this._pending=false;this.trigger("change",this,options)}}this._pending=false;this._changing=false;return this},get:function(attr){return this[attr]},toggle:function(property){var def=this._definition[property];if(def.type==="boolean"){this[property]=!this[property]}else if(def&&def.values){this[property]=arrayNext(def.values,this[property])}else{throw new TypeError("Can only toggle properties that are type `boolean` or have `values` array.")}return this},previousAttributes:function(){return _.clone(this._previousAttributes)},hasChanged:function(attr){if(attr==null)return!_.isEmpty(this._changed);return _.has(this._changed,attr)},changedAttributes:function(diff){if(!diff)return this.hasChanged()?_.clone(this._changed):false;var val,changed=false;var old=this._changing?this._previousAttributes:this.attributes;var def,isEqual;for(var attr in diff){def=this._definition[attr];if(!def)continue;isEqual=this._getCompareForType(def.type);if(isEqual(old[attr],val=diff[attr]))continue;(changed||(changed={}))[attr]=val}return changed},toJSON:function(){return this.serialize()},unset:function(attr,options){var def=this._definition[attr];var type=def.type;var val;if(def.required){val=_.result(def,"default");return this.set(attr,val,options)}else{return this.set(attr,val,_.extend({},options,{unset:true}))}},clear:function(options){var self=this;_.each(_.keys(this.attributes),function(key){self.unset(key,options)});return this},previous:function(attr){if(attr==null||!Object.keys(this._previousAttributes).length)return null;return this._previousAttributes[attr]},_getDefaultForType:function(type){var dataType=this._dataTypes[type];return dataType&&dataType.default},_getCompareForType:function(type){var dataType=this._dataTypes[type];if(dataType&&dataType.compare)return _.bind(dataType.compare,this);return _.isEqual},_validate:function(attrs,options){if(!options.validate||!this.validate)return true;attrs=_.extend({},this.attributes,attrs);var error=this.validationError=this.validate(attrs,options)||null;if(!error)return true;this.trigger("invalid",this,error,_.extend(options||{},{validationError:error}));return false},_createPropertyDefinition:function(name,desc,isSession){return createPropertyDefinition(this,name,desc,isSession)},_ensureValidType:function(type){return _.contains(["string","number","boolean","array","object","date","any"].concat(_.keys(this._dataTypes)),type)?type:undefined},getAttributes:function(options,raw){options||(options={});_.defaults(options,{session:false,props:false,derived:false});var res={};var val,item,def;for(item in this._definition){def=this._definition[item];if(options.session&&def.session||options.props&&!def.session){val=raw?this._values[item]:this[item];if(typeof val==="undefined")val=_.result(def,"default");if(typeof val!=="undefined")res[item]=val}}if(options.derived){for(item in this._derived)res[item]=this[item]}return res},_initDerived:function(){var self=this;_.each(this._derived,function(value,name){var def=self._derived[name];def.deps=def.depList;var update=function(options){options=options||{};var newVal=def.fn.call(self);if(self._cache[name]!==newVal||!def.cache){if(def.cache){self._previousAttributes[name]=self._cache[name]}self._cache[name]=newVal;self.trigger("change:"+name,self,self._cache[name])}};def.deps.forEach(function(propString){self._keyTree.add(propString,update)})});this.on("all",function(eventName){if(changeRE.test(eventName)){self._keyTree.get(eventName.split(":")[1]).forEach(function(fn){fn()})}},this)},_getDerivedProperty:function(name,flushCache){if(this._derived[name].cache){if(flushCache||!this._cache.hasOwnProperty(name)){this._cache[name]=this._derived[name].fn.apply(this)}return this._cache[name]}else{return this._derived[name].fn.apply(this)}},_initCollections:function(){var coll;if(!this._collections)return;for(coll in this._collections){this[coll]=new this._collections[coll](null,{parent:this})}},_initChildren:function(){var child;if(!this._children)return;for(child in this._children){this[child]=new this._children[child]({},{parent:this});this.listenTo(this[child],"all",this._getEventBubblingHandler(child))}},_getEventBubblingHandler:function(propertyName){return _.bind(function(name,model,newValue){if(changeRE.test(name)){this.trigger("change:"+propertyName+"."+name.split(":")[1],model,newValue)}else if(name==="change"){this.trigger("change",this)}},this)},_verifyRequired:function(){var attrs=this.attributes;for(var def in this._definition){if(this._definition[def].required&&typeof attrs[def]==="undefined"){return false}}return true}});Object.defineProperties(Base.prototype,{attributes:{get:function(){return this.getAttributes({props:true,session:true})}},all:{get:function(){return this.getAttributes({session:true,props:true,derived:true})}},isState:{get:function(){return true},set:function(){}}});function createPropertyDefinition(object,name,desc,isSession){var def=object._definition[name]={};var type,descArray;if(_.isString(desc)){type=object._ensureValidType(desc);if(type)def.type=type}else{if(_.isArray(desc)){descArray=desc;desc={type:descArray[0],required:descArray[1],"default":descArray[2]}}type=object._ensureValidType(desc.type);if(type)def.type=type;if(desc.required)def.required=true;if(desc.default&&typeof desc.default==="object"){throw new TypeError("The default value for "+name+" cannot be an object/array, must be a value or a function which returns a value/object/array")}def.default=desc.default;def.allowNull=desc.allowNull?desc.allowNull:false;if(desc.setOnce)def.setOnce=true;if(def.required&&_.isUndefined(def.default)&&!def.setOnce)def.default=object._getDefaultForType(type);def.test=desc.test;def.values=desc.values}if(isSession)def.session=true;Object.defineProperty(object,name,{set:function(val){this.set(name,val)},get:function(){var result=this._values[name];var typeDef=this._dataTypes[def.type];if(typeof result!=="undefined"){if(typeDef&&typeDef.get){result=typeDef.get(result)}return result}result=_.result(def,"default");this._values[name]=result;return result}});return def}function createDerivedProperty(modelProto,name,definition){var def=modelProto._derived[name]={fn:_.isFunction(definition)?definition:definition.fn,cache:definition.cache!==false,depList:definition.deps||[]};_.each(def.depList,function(dep){modelProto._deps[dep]=_(modelProto._deps[dep]||[]).union([name])});Object.defineProperty(modelProto,name,{get:function(){return this._getDerivedProperty(name)},set:function(){throw new TypeError('"'+name+"\" is a derived property, it can't be set directly.")}})}var dataTypes={string:{"default":function(){return""}},date:{set:function(newVal){var newType;if(newVal==null){newType=typeof null}else if(!_.isDate(newVal)){try{var dateVal=new Date(newVal).valueOf();if(isNaN(dateVal)){dateVal=new Date(parseInt(newVal,10)).valueOf();if(isNaN(dateVal))throw TypeError}newVal=dateVal;newType="date"}catch(e){newType=typeof newVal}}else{newType="date";newVal=newVal.valueOf()}return{val:newVal,type:newType}},get:function(val){if(val==null){return val}return new Date(val)},"default":function(){return new Date}},array:{set:function(newVal){return{val:newVal,type:_.isArray(newVal)?"array":typeof newVal}},"default":function(){return[]}},object:{set:function(newVal){var newType=typeof newVal;if(newType!=="object"&&_.isUndefined(newVal)){newVal=null;newType="object"}return{val:newVal,type:newType}},"default":function(){return{}}},state:{set:function(newVal){var isInstance=newVal instanceof Base||newVal&&newVal.isState;if(isInstance){return{val:newVal,type:"state"}}else{return{val:newVal,type:typeof newVal}}},compare:function(currentVal,newVal,attributeName){var isSame=currentVal===newVal;if(!isSame){if(currentVal){this.stopListening(currentVal)}if(newVal!=null){this.listenTo(newVal,"all",this._getEventBubblingHandler(attributeName))}}return isSame}}};function extend(protoProps){var parent=this;var child;var args=[].slice.call(arguments);var prop,item;if(protoProps&&protoProps.hasOwnProperty("constructor")){child=protoProps.constructor}else{child=function(){return parent.apply(this,arguments)}}_.extend(child,parent);var Surrogate=function(){this.constructor=child};Surrogate.prototype=parent.prototype;child.prototype=new Surrogate;child.prototype._derived=_.extend({},parent.prototype._derived);child.prototype._deps=_.extend({},parent.prototype._deps);child.prototype._definition=_.extend({},parent.prototype._definition);child.prototype._collections=_.extend({},parent.prototype._collections);child.prototype._children=_.extend({},parent.prototype._children);child.prototype._dataTypes=_.extend({},parent.prototype._dataTypes||dataTypes);if(protoProps){args.forEach(function processArg(def){var omitFromExtend=["dataTypes","props","session","derived","collections","children"];if(def.dataTypes){_.each(def.dataTypes,function(def,name){child.prototype._dataTypes[name]=def})}if(def.props){_.each(def.props,function(def,name){createPropertyDefinition(child.prototype,name,def)})}if(def.session){_.each(def.session,function(def,name){createPropertyDefinition(child.prototype,name,def,true)})}if(def.derived){_.each(def.derived,function(def,name){createDerivedProperty(child.prototype,name,def)})}if(def.collections){_.each(def.collections,function(constructor,name){child.prototype._collections[name]=constructor})}if(def.children){_.each(def.children,function(constructor,name){child.prototype._children[name]=constructor})}_.extend(child.prototype,_.omit(def,omitFromExtend))})}var toString=Object.prototype.toString;child.__super__=parent.prototype;return child}Base.extend=extend;module.exports=Base},{"array-next":6,"backbone-events-standalone":8,"key-tree-store":9,underscore:24}],6:[function(require,module,exports){module.exports=function arrayNext(array,currentItem){var len=array.length;var newIndex=array.indexOf(currentItem)+1;if(newIndex>len-1)newIndex=0;return array[newIndex]}},{}],7:[function(require,module,exports){(function(){var root=this,breaker={},nativeForEach=Array.prototype.forEach,hasOwnProperty=Object.prototype.hasOwnProperty,slice=Array.prototype.slice,idCounter=0;function miniscore(){return{keys:Object.keys,uniqueId:function(prefix){var id=++idCounter+"";return prefix?prefix+id:id},has:function(obj,key){return hasOwnProperty.call(obj,key)},each:function(obj,iterator,context){if(obj==null)return;if(nativeForEach&&obj.forEach===nativeForEach){obj.forEach(iterator,context)}else if(obj.length===+obj.length){for(var i=0,l=obj.length;i<l;i++){if(iterator.call(context,obj[i],i,obj)===breaker)return}}else{for(var key in obj){if(this.has(obj,key)){if(iterator.call(context,obj[key],key,obj)===breaker)return}}}},once:function(func){var ran=false,memo;return function(){if(ran)return memo;ran=true;memo=func.apply(this,arguments);func=null;return memo}}}}var _=miniscore(),Events;Events={on:function(name,callback,context){if(!eventsApi(this,"on",name,[callback,context])||!callback)return this;this._events||(this._events={});var events=this._events[name]||(this._events[name]=[]);events.push({callback:callback,context:context,ctx:context||this});return this},once:function(name,callback,context){if(!eventsApi(this,"once",name,[callback,context])||!callback)return this;var self=this;var once=_.once(function(){self.off(name,once);callback.apply(this,arguments)});once._callback=callback;return this.on(name,once,context)},off:function(name,callback,context){var retain,ev,events,names,i,l,j,k;if(!this._events||!eventsApi(this,"off",name,[callback,context]))return this;if(!name&&!callback&&!context){this._events={};return this}names=name?[name]:_.keys(this._events);for(i=0,l=names.length;i<l;i++){name=names[i];if(events=this._events[name]){this._events[name]=retain=[];if(callback||context){for(j=0,k=events.length;j<k;j++){ev=events[j];if(callback&&callback!==ev.callback&&callback!==ev.callback._callback||context&&context!==ev.context){retain.push(ev)}}}if(!retain.length)delete this._events[name]}}return this},trigger:function(name){if(!this._events)return this;var args=slice.call(arguments,1);if(!eventsApi(this,"trigger",name,args))return this;var events=this._events[name];var allEvents=this._events.all;if(events)triggerEvents(events,args);if(allEvents)triggerEvents(allEvents,arguments);return this},stopListening:function(obj,name,callback){var listeners=this._listeners;if(!listeners)return this;var deleteListener=!name&&!callback;if(typeof name==="object")callback=this;if(obj)(listeners={})[obj._listenerId]=obj;for(var id in listeners){listeners[id].off(name,callback,this);if(deleteListener)delete this._listeners[id]}return this}};var eventSplitter=/\s+/;var eventsApi=function(obj,action,name,rest){if(!name)return true;if(typeof name==="object"){for(var key in name){obj[action].apply(obj,[key,name[key]].concat(rest))}return false}if(eventSplitter.test(name)){var names=name.split(eventSplitter);for(var i=0,l=names.length;i<l;i++){obj[action].apply(obj,[names[i]].concat(rest))}return false}return true};var triggerEvents=function(events,args){var ev,i=-1,l=events.length,a1=args[0],a2=args[1],a3=args[2];switch(args.length){case 0:while(++i<l)(ev=events[i]).callback.call(ev.ctx);return;case 1:while(++i<l)(ev=events[i]).callback.call(ev.ctx,a1);return;case 2:while(++i<l)(ev=events[i]).callback.call(ev.ctx,a1,a2);return;case 3:while(++i<l)(ev=events[i]).callback.call(ev.ctx,a1,a2,a3);return;default:while(++i<l)(ev=events[i]).callback.apply(ev.ctx,args)}};var listenMethods={listenTo:"on",listenToOnce:"once"};_.each(listenMethods,function(implementation,method){Events[method]=function(obj,name,callback){var listeners=this._listeners||(this._listeners={});var id=obj._listenerId||(obj._listenerId=_.uniqueId("l"));listeners[id]=obj;if(typeof name==="object")callback=this;obj[implementation](name,callback,this);return this}});Events.bind=Events.on;Events.unbind=Events.off;Events.mixin=function(proto){var exports=["on","once","off","trigger","stopListening","listenTo","listenToOnce","bind","unbind"];_.each(exports,function(name){proto[name]=this[name]},this);return proto};if(typeof define==="function"){define(function(){return Events})}else if(typeof exports!=="undefined"){if(typeof module!=="undefined"&&module.exports){exports=module.exports=Events}exports.BackboneEvents=Events}else{root.BackboneEvents=Events}})(this)},{}],8:[function(require,module,exports){module.exports=require("./backbone-events-standalone")},{"./backbone-events-standalone":7}],9:[function(require,module,exports){function KeyTreeStore(){this.storage={}}KeyTreeStore.prototype.add=function(keypath,obj){var arr=this.storage[keypath]||(this.storage[keypath]=[]);arr.push(obj)};KeyTreeStore.prototype.remove=function(obj){var path,arr;for(path in this.storage){arr=this.storage[path];arr.some(function(item,index){if(item===obj){arr.splice(index,1);return true}})}};KeyTreeStore.prototype.get=function(keypath){var res=[];var key;for(key in this.storage){if(keypath===key||key.indexOf(keypath+".")===0){res=res.concat(this.storage[key])}}return res};module.exports=KeyTreeStore},{}],10:[function(require,module,exports){var _=require("underscore");var xhr=require("xhr");var qs=require("qs");var urlError=function(){throw new Error('A "url" property or function must be specified')};module.exports=function(method,model,options){var type=methodMap[method];var headers={};_.defaults(options||(options={}),{emulateHTTP:false,emulateJSON:false});var params={type:type};if(!options.url){params.url=_.result(model,"url")||urlError()}if(options.data==null&&model&&(method==="create"||method==="update"||method==="patch")){params.json=options.attrs||model.toJSON(options)}if(options.data&&type==="GET"){params.url+=_.contains(params.url,"?")?"&":"?";params.url+=qs.stringify(options.data)}if(options.emulateJSON){headers["Content-Type"]="application/x-www-form-urlencoded";params.body=params.json?{model:params.json}:{};delete params.json}if(options.emulateHTTP&&(type==="PUT"||type==="DELETE"||type==="PATCH")){params.type="POST";if(options.emulateJSON)params.body._method=type;headers["X-HTTP-Method-Override"]=type}if(options.emulateJSON){params.body=qs.stringify(params.body)}var ajaxConfig=_.result(model,"ajaxConfig")||{};if(ajaxConfig.headers){_.extend(headers,ajaxConfig.headers)}params.headers=headers;if(ajaxConfig.useXDR){params.useXDR=true}if(ajaxConfig.xhrFields){var beforeSend=ajaxConfig.beforeSend;params.beforeSend=function(req){for(var key in ajaxConfig.xhrFields){req[key]=ajaxConfig.xhrFields[key]}if(beforeSend)return beforeSend.apply(this,arguments)};params.xhrFields=ajaxConfig.xhrFields}params.method=params.type;var ajaxSettings=_.extend(params,options);var request=options.xhr=xhr(ajaxSettings,function(err,resp,body){if(err&&options.error)return options.error(resp,"error",err.message);if(body&&typeof body==="string"){try{body=JSON.parse(body)}catch(e){}}if(options.success)return options.success(body,"success",resp)});model.trigger("request",model,request,options,ajaxSettings);request.ajaxSettings=ajaxSettings;return request};var methodMap={create:"POST",update:"PUT",patch:"PATCH","delete":"DELETE",read:"GET"}},{qs:11,underscore:16,xhr:17}],11:[function(require,module,exports){module.exports=require("./lib")},{"./lib":12}],12:[function(require,module,exports){var Stringify=require("./stringify");var Parse=require("./parse");var internals={};module.exports={stringify:Stringify,parse:Parse}},{"./parse":13,"./stringify":14}],13:[function(require,module,exports){var Utils=require("./utils");var internals={delimiter:"&",depth:5,arrayLimit:20,parametersLimit:1e3};internals.parseValues=function(str,delimiter){delimiter=typeof delimiter==="string"?delimiter:internals.delimiter;var obj={};var parts=str.split(delimiter,internals.parametersLimit);for(var i=0,il=parts.length;i<il;++i){var part=parts[i];var pos=part.indexOf("]=")===-1?part.indexOf("="):part.indexOf("]=")+1;if(pos===-1){obj[Utils.decode(part)]=""}else{var key=Utils.decode(part.slice(0,pos));var val=Utils.decode(part.slice(pos+1));if(!obj[key]){obj[key]=val}else{obj[key]=[].concat(obj[key]).concat(val)}}}return obj};internals.parseObject=function(chain,val){if(!chain.length){return val}var root=chain.shift();var obj={};if(root==="[]"){obj=[];obj=obj.concat(internals.parseObject(chain,val))}else{var cleanRoot=root[0]==="["&&root[root.length-1]==="]"?root.slice(1,root.length-1):root;var index=parseInt(cleanRoot,10);if(!isNaN(index)&&root!==cleanRoot&&index<=internals.arrayLimit){obj=[];obj[index]=internals.parseObject(chain,val)}else{obj[cleanRoot]=internals.parseObject(chain,val)}}return obj};internals.parseKeys=function(key,val,depth){if(!key){return}var parent=/^([^\[\]]*)/;var child=/(\[[^\[\]]*\])/g;var segment=parent.exec(key);if(Object.prototype.hasOwnProperty(segment[1])){return}var keys=[];if(segment[1]){keys.push(segment[1])}var i=0;while((segment=child.exec(key))!==null&&i<depth){++i;if(!Object.prototype.hasOwnProperty(segment[1].replace(/\[|\]/g,""))){keys.push(segment[1])}}if(segment){keys.push("["+key.slice(segment.index)+"]")}return internals.parseObject(keys,val)};module.exports=function(str,depth,delimiter){if(str===""||str===null||typeof str==="undefined"){return{}}if(typeof depth!=="number"){delimiter=depth;depth=internals.depth}var tempObj=typeof str==="string"?internals.parseValues(str,delimiter):Utils.clone(str);var obj={};for(var key in tempObj){if(tempObj.hasOwnProperty(key)){var newObj=internals.parseKeys(key,tempObj[key],depth);obj=Utils.merge(obj,newObj)}}return Utils.compact(obj)}},{"./utils":15}],14:[function(require,module,exports){(function(Buffer){var internals={delimiter:"&"};internals.stringify=function(obj,prefix){if(Buffer.isBuffer(obj)){obj=obj.toString()}else if(obj instanceof Date){obj=obj.toISOString()}else if(obj===null){obj=""}if(typeof obj==="string"||typeof obj==="number"||typeof obj==="boolean"){return[encodeURIComponent(prefix)+"="+encodeURIComponent(obj)]}var values=[];for(var key in obj){if(obj.hasOwnProperty(key)){values=values.concat(internals.stringify(obj[key],prefix+"["+key+"]"))}}return values};module.exports=function(obj,delimiter){delimiter=typeof delimiter==="undefined"?internals.delimiter:delimiter;var keys=[];for(var key in obj){if(obj.hasOwnProperty(key)){keys=keys.concat(internals.stringify(obj[key],key))}}return keys.join(delimiter)}}).call(this,require("buffer").Buffer)},{buffer:1}],15:[function(require,module,exports){(function(Buffer){var internals={};exports.arrayToObject=function(source){var obj={};for(var i=0,il=source.length;i<il;++i){if(typeof source[i]!=="undefined"){obj[i]=source[i]}}return obj};exports.clone=function(source){if(typeof source!=="object"||source===null){return source}if(Buffer.isBuffer(source)){return source.toString()}var obj=Array.isArray(source)?[]:{};for(var i in source){if(source.hasOwnProperty(i)){obj[i]=exports.clone(source[i])}}return obj};exports.merge=function(target,source){if(!source){return target}var obj=exports.clone(target);if(Array.isArray(source)){for(var i=0,il=source.length;i<il;++i){if(typeof source[i]!=="undefined"){if(typeof obj[i]==="object"){obj[i]=exports.merge(obj[i],source[i])}else{obj[i]=source[i]}}}return obj}if(Array.isArray(obj)){obj=exports.arrayToObject(obj)}var keys=Object.keys(source);for(var k=0,kl=keys.length;k<kl;++k){var key=keys[k];var value=source[key];if(value&&typeof value==="object"){if(!obj[key]){obj[key]=exports.clone(value)}else{obj[key]=exports.merge(obj[key],value)}}else{obj[key]=value}}return obj};exports.decode=function(str){try{return decodeURIComponent(str.replace(/\+/g," "))}catch(e){return str}};exports.compact=function(obj){if(typeof obj!=="object"||obj===null){return obj}var compacted={};for(var key in obj){if(obj.hasOwnProperty(key)){if(Array.isArray(obj[key])){compacted[key]=[];for(var i=0,l=obj[key].length;i<l;i++){if(typeof obj[key][i]!=="undefined"){compacted[key].push(obj[key][i])}}}else{compacted[key]=exports.compact(obj[key])}}}return compacted}}).call(this,require("buffer").Buffer)},{buffer:1}],16:[function(require,module,exports){(function(){var root=this;var previousUnderscore=root._;var breaker={};var ArrayProto=Array.prototype,ObjProto=Object.prototype,FuncProto=Function.prototype;var push=ArrayProto.push,slice=ArrayProto.slice,concat=ArrayProto.concat,toString=ObjProto.toString,hasOwnProperty=ObjProto.hasOwnProperty;var nativeForEach=ArrayProto.forEach,nativeMap=ArrayProto.map,nativeReduce=ArrayProto.reduce,nativeReduceRight=ArrayProto.reduceRight,nativeFilter=ArrayProto.filter,nativeEvery=ArrayProto.every,nativeSome=ArrayProto.some,nativeIndexOf=ArrayProto.indexOf,nativeLastIndexOf=ArrayProto.lastIndexOf,nativeIsArray=Array.isArray,nativeKeys=Object.keys,nativeBind=FuncProto.bind;var _=function(obj){if(obj instanceof _)return obj;if(!(this instanceof _))return new _(obj);this._wrapped=obj};if(typeof exports!=="undefined"){if(typeof module!=="undefined"&&module.exports){exports=module.exports=_}exports._=_}else{root._=_}_.VERSION="1.6.0";var each=_.each=_.forEach=function(obj,iterator,context){if(obj==null)return obj;if(nativeForEach&&obj.forEach===nativeForEach){obj.forEach(iterator,context)}else if(obj.length===+obj.length){for(var i=0,length=obj.length;i<length;i++){if(iterator.call(context,obj[i],i,obj)===breaker)return}}else{var keys=_.keys(obj);for(var i=0,length=keys.length;i<length;i++){if(iterator.call(context,obj[keys[i]],keys[i],obj)===breaker)return}}return obj};_.map=_.collect=function(obj,iterator,context){var results=[];if(obj==null)return results;if(nativeMap&&obj.map===nativeMap)return obj.map(iterator,context);each(obj,function(value,index,list){results.push(iterator.call(context,value,index,list))});return results};var reduceError="Reduce of empty array with no initial value";_.reduce=_.foldl=_.inject=function(obj,iterator,memo,context){var initial=arguments.length>2;if(obj==null)obj=[];if(nativeReduce&&obj.reduce===nativeReduce){if(context)iterator=_.bind(iterator,context);return initial?obj.reduce(iterator,memo):obj.reduce(iterator)}each(obj,function(value,index,list){if(!initial){memo=value;initial=true}else{memo=iterator.call(context,memo,value,index,list)}});if(!initial)throw new TypeError(reduceError);return memo};_.reduceRight=_.foldr=function(obj,iterator,memo,context){var initial=arguments.length>2;if(obj==null)obj=[];if(nativeReduceRight&&obj.reduceRight===nativeReduceRight){if(context)iterator=_.bind(iterator,context);return initial?obj.reduceRight(iterator,memo):obj.reduceRight(iterator)}var length=obj.length;if(length!==+length){var keys=_.keys(obj);length=keys.length}each(obj,function(value,index,list){index=keys?keys[--length]:--length;if(!initial){memo=obj[index];initial=true}else{memo=iterator.call(context,memo,obj[index],index,list)}});if(!initial)throw new TypeError(reduceError);return memo};_.find=_.detect=function(obj,predicate,context){var result;any(obj,function(value,index,list){if(predicate.call(context,value,index,list)){result=value;return true}});return result};_.filter=_.select=function(obj,predicate,context){var results=[];if(obj==null)return results;if(nativeFilter&&obj.filter===nativeFilter)return obj.filter(predicate,context);each(obj,function(value,index,list){if(predicate.call(context,value,index,list))results.push(value)});return results};_.reject=function(obj,predicate,context){return _.filter(obj,function(value,index,list){return!predicate.call(context,value,index,list)},context)};_.every=_.all=function(obj,predicate,context){predicate||(predicate=_.identity);var result=true;if(obj==null)return result;if(nativeEvery&&obj.every===nativeEvery)return obj.every(predicate,context);each(obj,function(value,index,list){if(!(result=result&&predicate.call(context,value,index,list)))return breaker});return!!result};var any=_.some=_.any=function(obj,predicate,context){predicate||(predicate=_.identity);var result=false;if(obj==null)return result;if(nativeSome&&obj.some===nativeSome)return obj.some(predicate,context);each(obj,function(value,index,list){if(result||(result=predicate.call(context,value,index,list)))return breaker});return!!result};_.contains=_.include=function(obj,target){if(obj==null)return false;if(nativeIndexOf&&obj.indexOf===nativeIndexOf)return obj.indexOf(target)!=-1;return any(obj,function(value){return value===target})};_.invoke=function(obj,method){var args=slice.call(arguments,2);var isFunc=_.isFunction(method);return _.map(obj,function(value){return(isFunc?method:value[method]).apply(value,args)})};_.pluck=function(obj,key){return _.map(obj,_.property(key))};_.where=function(obj,attrs){return _.filter(obj,_.matches(attrs))};_.findWhere=function(obj,attrs){return _.find(obj,_.matches(attrs))};_.max=function(obj,iterator,context){if(!iterator&&_.isArray(obj)&&obj[0]===+obj[0]&&obj.length<65535){return Math.max.apply(Math,obj)}var result=-Infinity,lastComputed=-Infinity;each(obj,function(value,index,list){var computed=iterator?iterator.call(context,value,index,list):value;if(computed>lastComputed){result=value;lastComputed=computed}});return result};_.min=function(obj,iterator,context){if(!iterator&&_.isArray(obj)&&obj[0]===+obj[0]&&obj.length<65535){return Math.min.apply(Math,obj)}var result=Infinity,lastComputed=Infinity;each(obj,function(value,index,list){var computed=iterator?iterator.call(context,value,index,list):value;if(computed<lastComputed){result=value;lastComputed=computed}});return result};_.shuffle=function(obj){var rand;var index=0;var shuffled=[];each(obj,function(value){rand=_.random(index++);shuffled[index-1]=shuffled[rand];shuffled[rand]=value});return shuffled};_.sample=function(obj,n,guard){if(n==null||guard){if(obj.length!==+obj.length)obj=_.values(obj);return obj[_.random(obj.length-1)]}return _.shuffle(obj).slice(0,Math.max(0,n))};var lookupIterator=function(value){if(value==null)return _.identity;if(_.isFunction(value))return value;return _.property(value)};_.sortBy=function(obj,iterator,context){iterator=lookupIterator(iterator);return _.pluck(_.map(obj,function(value,index,list){return{value:value,index:index,criteria:iterator.call(context,value,index,list)}}).sort(function(left,right){var a=left.criteria;var b=right.criteria;if(a!==b){if(a>b||a===void 0)return 1;if(a<b||b===void 0)return-1}return left.index-right.index}),"value")};var group=function(behavior){return function(obj,iterator,context){var result={};iterator=lookupIterator(iterator);each(obj,function(value,index){var key=iterator.call(context,value,index,obj);behavior(result,key,value)});return result}};_.groupBy=group(function(result,key,value){_.has(result,key)?result[key].push(value):result[key]=[value]});_.indexBy=group(function(result,key,value){result[key]=value});_.countBy=group(function(result,key){_.has(result,key)?result[key]++:result[key]=1});_.sortedIndex=function(array,obj,iterator,context){iterator=lookupIterator(iterator);var value=iterator.call(context,obj);var low=0,high=array.length;while(low<high){var mid=low+high>>>1;iterator.call(context,array[mid])<value?low=mid+1:high=mid}return low};_.toArray=function(obj){if(!obj)return[];if(_.isArray(obj))return slice.call(obj);if(obj.length===+obj.length)return _.map(obj,_.identity);return _.values(obj)};_.size=function(obj){if(obj==null)return 0;return obj.length===+obj.length?obj.length:_.keys(obj).length};_.first=_.head=_.take=function(array,n,guard){if(array==null)return void 0;if(n==null||guard)return array[0];if(n<0)return[];return slice.call(array,0,n)};_.initial=function(array,n,guard){return slice.call(array,0,array.length-(n==null||guard?1:n))};_.last=function(array,n,guard){if(array==null)return void 0;if(n==null||guard)return array[array.length-1];return slice.call(array,Math.max(array.length-n,0))};_.rest=_.tail=_.drop=function(array,n,guard){return slice.call(array,n==null||guard?1:n)};_.compact=function(array){return _.filter(array,_.identity)};var flatten=function(input,shallow,output){if(shallow&&_.every(input,_.isArray)){return concat.apply(output,input)}each(input,function(value){if(_.isArray(value)||_.isArguments(value)){shallow?push.apply(output,value):flatten(value,shallow,output)}else{output.push(value)}});return output};_.flatten=function(array,shallow){return flatten(array,shallow,[])};_.without=function(array){return _.difference(array,slice.call(arguments,1))};_.partition=function(array,predicate){var pass=[],fail=[];each(array,function(elem){(predicate(elem)?pass:fail).push(elem)});return[pass,fail]};_.uniq=_.unique=function(array,isSorted,iterator,context){if(_.isFunction(isSorted)){context=iterator;iterator=isSorted;isSorted=false}var initial=iterator?_.map(array,iterator,context):array;var results=[];var seen=[];each(initial,function(value,index){if(isSorted?!index||seen[seen.length-1]!==value:!_.contains(seen,value)){seen.push(value);
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matcher=RegExp([(settings.escape||noMatch).source,(settings.interpolate||noMatch).source,(settings.evaluate||noMatch).source].join("|")+"|$","g");var index=0;var source="__p+='";text.replace(matcher,function(match,escape,interpolate,evaluate,offset){source+=text.slice(index,offset).replace(escaper,escapeChar);index=offset+match.length;if(escape){source+="'+\n((__t=("+escape+"))==null?'':_.escape(__t))+\n'"}else if(interpolate){source+="'+\n((__t=("+interpolate+"))==null?'':__t)+\n'"}else if(evaluate){source+="';\n"+evaluate+"\n__p+='"}return match});source+="';\n";if(!settings.variable)source="with(obj||{}){\n"+source+"}\n";source="var __t,__p='',__j=Array.prototype.join,"+"print=function(){__p+=__j.call(arguments,'');};\n"+source+"return __p;\n";try{var render=new Function(settings.variable||"obj","_",source)}catch(e){e.source=source;throw e}var template=function(data){return render.call(this,data,_)};var argument=settings.variable||"obj";template.source="function("+argument+"){\n"+source+"}";return template};_.chain=function(obj){var instance=_(obj);instance._chain=true;return instance};var result=function(instance,obj){return instance._chain?_(obj).chain():obj};_.mixin=function(obj){_.each(_.functions(obj),function(name){var func=_[name]=obj[name];_.prototype[name]=function(){var args=[this._wrapped];push.apply(args,arguments);return result(this,func.apply(_,args))}})};_.mixin(_);_.each(["pop","push","reverse","shift","sort","splice","unshift"],function(name){var method=ArrayProto[name];_.prototype[name]=function(){var obj=this._wrapped;method.apply(obj,arguments);if((name==="shift"||name==="splice")&&obj.length===0)delete obj[0];return result(this,obj)}});_.each(["concat","join","slice"],function(name){var method=ArrayProto[name];_.prototype[name]=function(){return result(this,method.apply(this._wrapped,arguments))}});_.prototype.value=function(){return this._wrapped};_.prototype.valueOf=_.prototype.toJSON=_.prototype.value;_.prototype.toString=function(){return""+this._wrapped};if(typeof define==="function"&&define.amd){define("underscore",[],function(){return _})}}).call(this)},{}],"ampersand-model":[function(require,module,exports){if(typeof window!=="undefined"){window.ampersand=window.ampersand||{};window.ampersand["ampersand-model"]=window.ampersand["ampersand-model"]||[];window.ampersand["ampersand-model"].push("4.0.4")}var State=require("ampersand-state");var _=require("underscore");var sync=require("ampersand-sync");var Model=State.extend({save:function(key,val,options){var attrs,method,sync,attributes=this.attributes;if(key==null||typeof key==="object"){attrs=key;options=val}else{(attrs={})[key]=val}options=_.extend({validate:true},options);if(attrs&&!options.wait){if(!this.set(attrs,options))return false}else{if(!this._validate(attrs,options))return false}if(options.parse===void 0)options.parse=true;var model=this;var success=options.success;options.success=function(resp){var serverAttrs=model.parse(resp,options);if(options.wait)serverAttrs=_.extend(attrs||{},serverAttrs);if(_.isObject(serverAttrs)&&!model.set(serverAttrs,options)){return false}if(success)success(model,resp,options);model.trigger("sync",model,resp,options)};wrapError(this,options);method=this.isNew()?"create":options.patch?"patch":"update";if(method==="patch")options.attrs=attrs;if(options.wait)options.attrs=_.extend(model.serialize(),attrs);sync=this.sync(method,this,options);return sync},fetch:function(options){options=options?_.clone(options):{};if(options.parse===void 0)options.parse=true;var model=this;var success=options.success;options.success=function(resp){if(!model.set(model.parse(resp,options),options))return false;if(success)success(model,resp,options);model.trigger("sync",model,resp,options)};wrapError(this,options);return this.sync("read",this,options)},destroy:function(options){options=options?_.clone(options):{};var model=this;var success=options.success;var destroy=function(){model.trigger("destroy",model,model.collection,options)};options.success=function(resp){if(options.wait||model.isNew())destroy();if(success)success(model,resp,options);if(!model.isNew())model.trigger("sync",model,resp,options)};if(this.isNew()){options.success();return false}wrapError(this,options);var sync=this.sync("delete",this,options);if(!options.wait)destroy();return sync},sync:function(){return sync.apply(this,arguments)},url:function(){var base=_.result(this,"urlRoot")||_.result(this.collection,"url")||urlError();if(this.isNew())return base;return base+(base.charAt(base.length-1)==="/"?"":"/")+encodeURIComponent(this.getId())}});var urlError=function(){throw new Error('A "url" property or function must be specified')};var wrapError=function(model,options){var error=options.error;options.error=function(model,resp,options){if(error)error(model,resp,options);model.trigger("error",model,resp,options)}};module.exports=Model},{"ampersand-state":5,"ampersand-sync":10,underscore:24}]},{},[]);require=function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){var isFunction=require("amp-is-function");var isObject=require("amp-is-object");var nativeBind=Function.prototype.bind;var slice=Array.prototype.slice;var Ctor=function(){};module.exports=function bind(func,context){var args,bound;if(nativeBind&&func.bind===nativeBind)return nativeBind.apply(func,slice.call(arguments,1));if(!isFunction(func))throw new TypeError("Bind must be called on a function");args=slice.call(arguments,2);bound=function(){if(!(this instanceof bound))return func.apply(context,args.concat(slice.call(arguments)));Ctor.prototype=func.prototype;var self=new Ctor;Ctor.prototype=null;var result=func.apply(self,args.concat(slice.call(arguments)));if(isObject(result))return result;return self};return bound}},{"amp-is-function":2,"amp-is-object":3}],2:[function(require,module,exports){var toString=Object.prototype.toString;var func=function isFunction(obj){return toString.call(obj)==="[object Function]"};if(typeof/./!=="function"){func=function isFunction(obj){return typeof obj=="function"||false}}module.exports=func},{}],3:[function(require,module,exports){module.exports=function isObject(obj){var type=typeof obj;return!!obj&&(type==="function"||type==="object")}},{}],4:[function(require,module,exports){var objectExtend=require("extend-object");var extend=function(protoProps){var parent=this;var child;var args=[].slice.call(arguments);if(protoProps&&protoProps.hasOwnProperty("constructor")){child=protoProps.constructor}else{child=function(){return parent.apply(this,arguments)}}objectExtend(child,parent);var Surrogate=function(){this.constructor=child};Surrogate.prototype=parent.prototype;child.prototype=new Surrogate;if(protoProps){args.unshift(child.prototype);objectExtend.apply(null,args)}child.__super__=parent.prototype;return child};module.exports=extend},{"extend-object":7}],5:[function(require,module,exports){(function(){var root=this,breaker={},nativeForEach=Array.prototype.forEach,hasOwnProperty=Object.prototype.hasOwnProperty,slice=Array.prototype.slice,idCounter=0;function miniscore(){return{keys:Object.keys,uniqueId:function(prefix){var id=++idCounter+"";return prefix?prefix+id:id},has:function(obj,key){return hasOwnProperty.call(obj,key)},each:function(obj,iterator,context){if(obj==null)return;if(nativeForEach&&obj.forEach===nativeForEach){obj.forEach(iterator,context)}else if(obj.length===+obj.length){for(var i=0,l=obj.length;i<l;i++){if(iterator.call(context,obj[i],i,obj)===breaker)return}}else{for(var key in obj){if(this.has(obj,key)){if(iterator.call(context,obj[key],key,obj)===breaker)return}}}},once:function(func){var ran=false,memo;return function(){if(ran)return memo;ran=true;memo=func.apply(this,arguments);func=null;return memo}}}}var _=miniscore(),Events;Events={on:function(name,callback,context){if(!eventsApi(this,"on",name,[callback,context])||!callback)return this;this._events||(this._events={});var events=this._events[name]||(this._events[name]=[]);events.push({callback:callback,context:context,ctx:context||this});return this},once:function(name,callback,context){if(!eventsApi(this,"once",name,[callback,context])||!callback)return this;var self=this;var once=_.once(function(){self.off(name,once);callback.apply(this,arguments)});once._callback=callback;return this.on(name,once,context)},off:function(name,callback,context){var retain,ev,events,names,i,l,j,k;if(!this._events||!eventsApi(this,"off",name,[callback,context]))return this;if(!name&&!callback&&!context){this._events={};return this}names=name?[name]:_.keys(this._events);for(i=0,l=names.length;i<l;i++){name=names[i];if(events=this._events[name]){this._events[name]=retain=[];if(callback||context){for(j=0,k=events.length;j<k;j++){ev=events[j];if(callback&&callback!==ev.callback&&callback!==ev.callback._callback||context&&context!==ev.context){retain.push(ev)}}}if(!retain.length)delete this._events[name]}}return this},trigger:function(name){if(!this._events)return this;var args=slice.call(arguments,1);if(!eventsApi(this,"trigger",name,args))return this;var events=this._events[name];var allEvents=this._events.all;if(events)triggerEvents(events,args);if(allEvents)triggerEvents(allEvents,arguments);return this},stopListening:function(obj,name,callback){var listeners=this._listeners;if(!listeners)return this;var deleteListener=!name&&!callback;if(typeof name==="object")callback=this;if(obj)(listeners={})[obj._listenerId]=obj;for(var id in listeners){listeners[id].off(name,callback,this);if(deleteListener)delete this._listeners[id]}return this}};var eventSplitter=/\s+/;var eventsApi=function(obj,action,name,rest){if(!name)return true;if(typeof name==="object"){for(var key in name){obj[action].apply(obj,[key,name[key]].concat(rest))}return false}if(eventSplitter.test(name)){var names=name.split(eventSplitter);for(var i=0,l=names.length;i<l;i++){obj[action].apply(obj,[names[i]].concat(rest))}return false}return true};var triggerEvents=function(events,args){var ev,i=-1,l=events.length,a1=args[0],a2=args[1],a3=args[2];switch(args.length){case 0:while(++i<l)(ev=events[i]).callback.call(ev.ctx);return;case 1:while(++i<l)(ev=events[i]).callback.call(ev.ctx,a1);return;case 2:while(++i<l)(ev=events[i]).callback.call(ev.ctx,a1,a2);return;case 3:while(++i<l)(ev=events[i]).callback.call(ev.ctx,a1,a2,a3);return;default:while(++i<l)(ev=events[i]).callback.apply(ev.ctx,args)}};var listenMethods={listenTo:"on",listenToOnce:"once"};_.each(listenMethods,function(implementation,method){Events[method]=function(obj,name,callback){var listeners=this._listeners||(this._listeners={});var id=obj._listenerId||(obj._listenerId=_.uniqueId("l"));listeners[id]=obj;if(typeof name==="object")callback=this;obj[implementation](name,callback,this);return this}});Events.bind=Events.on;Events.unbind=Events.off;Events.mixin=function(proto){var exports=["on","once","off","trigger","stopListening","listenTo","listenToOnce","bind","unbind"];_.each(exports,function(name){proto[name]=this[name]},this);return proto};if(typeof define==="function"){define(function(){return Events})}else if(typeof exports!=="undefined"){if(typeof module!=="undefined"&&module.exports){exports=module.exports=Events}exports.BackboneEvents=Events}else{root.BackboneEvents=Events}})(this)},{}],6:[function(require,module,exports){module.exports=require("./backbone-events-standalone")},{"./backbone-events-standalone":5}],7:[function(require,module,exports){var arr=[];var each=arr.forEach;var slice=arr.slice;module.exports=function(obj){each.call(slice.call(arguments,1),function(source){if(source){for(var prop in source){obj[prop]=source[prop]}}});return obj}},{}],8:[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)}},{}],"ampersand-collection":[function(require,module,exports){var BackboneEvents=require("backbone-events-standalone");var classExtend=require("ampersand-class-extend");var isArray=require("is-array");var bind=require("amp-bind");var extend=require("extend-object");var slice=[].slice;function Collection(models,options){options||(options={});if(options.model)this.model=options.model;if(options.comparator)this.comparator=options.comparator;if(options.parent)this.parent=options.parent;if(!this.mainIndex){var idAttribute=this.model&&this.model.prototype&&this.model.prototype.idAttribute;this.mainIndex=idAttribute||"id"}this._reset();this.initialize.apply(this,arguments);if(models)this.reset(models,extend({silent:true},options))}extend(Collection.prototype,BackboneEvents,{initialize:function(){},indexes:[],isModel:function(model){return this.model&&model instanceof this.model},add:function(models,options){return this.set(models,extend({merge:false,add:true,remove:false},options))},parse:function(res,options){return res},serialize:function(){return this.map(function(model){if(model.serialize){return model.serialize()}else{var out={};extend(out,model);delete out.collection;return out}})},toJSON:function(){return this.serialize()},set:function(models,options){options=extend({add:true,remove:true,merge:true},options);if(options.parse)models=this.parse(models,options);var singular=!isArray(models);models=singular?models?[models]:[]:models.slice();var id,model,attrs,existing,sort,i,length;var at=options.at;var sortable=this.comparator&&at==null&&options.sort!==false;var sortAttr="string"===typeof this.comparator?this.comparator:null;var toAdd=[],toRemove=[],modelMap={};var add=options.add,merge=options.merge,remove=options.remove;var order=!sortable&&add&&remove?[]:false;var targetProto=this.model&&this.model.prototype||Object.prototype;for(i=0,length=models.length;i<length;i++){attrs=models[i]||{};if(this.isModel(attrs)){id=model=attrs}else if(targetProto.generateId){id=targetProto.generateId(attrs)}else{id=attrs[targetProto.idAttribute||this.mainIndex]}if(existing=this.get(id)){if(remove)modelMap[existing.cid||existing[this.mainIndex]]=true;if(merge){attrs=attrs===model?model.attributes:attrs;if(options.parse)attrs=existing.parse(attrs,options);if(existing.set){existing.set(attrs,options);if(sortable&&!sort&&existing.hasChanged(sortAttr))sort=true}else{extend(existing,attrs)}}models[i]=existing}else if(add){model=models[i]=this._prepareModel(attrs,options);if(!model)continue;toAdd.push(model);this._addReference(model,options)}model=existing||model;if(!model)continue;if(order&&(model.isNew&&model.isNew()||!model[this.mainIndex]||!modelMap[model.cid||model[this.mainIndex]]))order.push(model);modelMap[model[this.mainIndex]]=true}if(remove){for(i=0,length=this.length;i<length;i++){model=this.models[i];if(!modelMap[model.cid||model[this.mainIndex]])toRemove.push(model)}if(toRemove.length)this.remove(toRemove,options)}if(toAdd.length||order&&order.length){if(sortable)sort=true;if(at!=null){for(i=0,length=toAdd.length;i<length;i++){this.models.splice(at+i,0,toAdd[i])}}else{var orderedModels=order||toAdd;for(i=0,length=orderedModels.length;i<length;i++){this.models.push(orderedModels[i])}}}if(sort)this.sort({silent:true});if(!options.silent){for(i=0,length=toAdd.length;i<length;i++){model=toAdd[i];if(model.trigger){model.trigger("add",model,this,options)}else{this.trigger("add",model,this,options)}}if(sort||order&&order.length)this.trigger("sort",this,options)}return singular?models[0]:models},get:function(query,indexName){if(!query)return;var index=this._indexes[indexName||this.mainIndex];return index[query]||index[query[this.mainIndex]]||this._indexes.cid[query]||this._indexes.cid[query.cid]},at:function(index){return this.models[index]},remove:function(models,options){var singular=!isArray(models);var i,length,model,index;models=singular?[models]:slice.call(models);options||(options={});for(i=0,length=models.length;i<length;i++){model=models[i]=this.get(models[i]);if(!model)continue;this._deIndex(model);index=this.models.indexOf(model);this.models.splice(index,1);if(!options.silent){options.index=index;if(model.trigger){model.trigger("remove",model,this,options)}else{this.trigger("remove",model,this,options)}}this._removeReference(model,options)}return singular?models[0]:models},reset:function(models,options){options||(options={});for(var i=0,length=this.models.length;i<length;i++){this._removeReference(this.models[i],options)}options.previousModels=this.models;this._reset();models=this.add(models,extend({silent:true},options));if(!options.silent)this.trigger("reset",this,options);return models},sort:function(options){var self=this;if(!this.comparator)throw new Error("Cannot sort a set without a comparator");options||(options={});if(typeof this.comparator==="string"){this.models.sort(function(left,right){if(left.get){left=left.get(self.comparator);right=right.get(self.comparator)}else{left=left[self.comparator];right=right[self.comparator]}if(left>right||left===void 0)return 1;if(left<right||right===void 0)return-1;return 0})}else if(this.comparator.length===1){this.models.sort(function(left,right){left=self.comparator(left);right=self.comparator(right);if(left>right||left===void 0)return 1;if(left<right||right===void 0)return-1;return 0})}else{this.models.sort(bind(this.comparator,this))}if(!options.silent)this.trigger("sort",this,options);return this},_reset:function(){var list=this.indexes||[];var i=0;list.push(this.mainIndex);list.push("cid");var l=list.length;this.models=[];this._indexes={};for(;i<l;i++){this._indexes[list[i]]={}}},_prepareModel:function(attrs,options){if(!this.model)return attrs;if(this.isModel(attrs)){if(!attrs.collection)attrs.collection=this;return attrs}else{options=options?extend({},options):{};options.collection=this;var model=new this.model(attrs,options);if(!model.validationError)return model;this.trigger("invalid",this,model.validationError,options);return false}},_deIndex:function(model){for(var name in this._indexes){delete this._indexes[name][model[name]||model.get&&model.get(name)]}},_index:function(model){for(var name in this._indexes){var indexVal=model[name]||model.get&&model.get(name);if(indexVal)this._indexes[name][indexVal]=model}},_addReference:function(model,options){this._index(model);if(!model.collection)model.collection=this;if(model.on)model.on("all",this._onModelEvent,this)},_removeReference:function(model,options){if(this===model.collection)delete model.collection;this._deIndex(model);if(model.off)model.off("all",this._onModelEvent,this)},_onModelEvent:function(event,model,collection,options){if((event==="add"||event==="remove")&&collection!==this)return;if(event==="destroy")this.remove(model,options);if(model&&event==="change:"+this.mainIndex){this._deIndex(model);this._index(model)}this.trigger.apply(this,arguments)}});Object.defineProperties(Collection.prototype,{length:{get:function(){return this.models.length}},isCollection:{value:true}});var arrayMethods=["indexOf","lastIndexOf","every","some","forEach","map","filter","reduce","reduceRight"];arrayMethods.forEach(function(method){Collection.prototype[method]=function(){return this.models[method].apply(this.models,arguments)}});Collection.prototype.each=Collection.prototype.forEach;Collection.extend=classExtend;module.exports=Collection},{"amp-bind":1,"ampersand-class-extend":4,"backbone-events-standalone":6,"extend-object":7,"is-array":8}]},{},[]);var Model=require("ampersand-model"),Collection=require("ampersand-collection");var Picture=Model.extend({urlRoot:"/picture",props:{path:{type:"string"}},derived:{hasPath:{deps:["path"],fn:function(){return!!this.path}}}});var User=Model.extend({urlRoot:"/user",props:{name:{type:"string"}},children:{picture:Picture}});var user=new User({name:"Brian",picture:{path:"http://www.gravatar.com/avatar/c8e8870ea60925d71dea30b3271c356c.png"}});user.picture.destroy({success:function(){user.picture.clear();console.log("success");console.log(user.picture.hasPath)},error:function(){console.log("err");console.log(user.picture.hasPath)}});

package.json

{
  "name": "requirebin-sketch",
  "version": "1.0.0",
  "dependencies": {
    "ampersand-model": "4.0.4",
    "ampersand-collection": "1.4.1"
  }
}

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