requirebin sketch

index.js

const choo = require('choo')
const html = require('choo/html')
const widget = require('cache-element/widget')
const L = require('leaflet')
const esri = require('esri-leaflet')

const basemap = 'https://tiles.arcgis.com/tiles/fLeGjb7u4uXqeF9q/arcgis/rest/services/CityBasemap/MapServer'

const app = choo()

app.model({
  state: {
    count: 0,
    coords: [39.949600433337054, -75.16459237941723]
  },
  reducers: {
    increment: (data, state) => state.count++
  }
})

app.router((route) => [
	route('/', View)
])

const tree = app.start()
document.body.appendChild(tree)

function View (state, prev, send) {
  const MapWidget = widget(Map)

  return html`
  	<main>
	    <h1>${state.count}</h1>
      <button onclick=${() => send('increment')}>Increment Count</button>
    	${MapWidget(state.coords)}
    </main>
  `
}

var map, coords

function Map (handleUpdates) {
  console.log('map component called')

  handleUpdates(onupdate)

  return html`<div class="map" onload=${onload} onunload=${onunload}></div>`

  function onupdate (newCoords) {
    console.log('onupdate called', newCoords)
    coords = newCoords
    if (map) {
      console.log('setting view', map, coords)
      //map.setView(coords, 18)
    } else {
      console.log('map doesnt exist yet')
    }
  }

  function onload (el) {
    console.log('map mounted', coords)
    map = initMap(el, coords)
  }

  function onunload (el) {
    console.log('map unmounted')
    // When page changes, remove event listeners and clear cache
    if (map) map.remove()
    map = null
  }

  function initMap (el, coords) {
    console.log('initialising map', el, coords)
    const map = L.map(el).setView(coords, 18)
    esri.tiledMapLayer({
      url: basemap,
      minZoom: 12,
      maxZoom: 20
    }).addTo(map)
    L.marker(coords).addTo(map)
    return map
  }
}

minified.js

setTimeout(function(){
;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){
// http://wiki.commonjs.org/wiki/Unit_Testing/1.0
//
// THIS IS NOT TESTED NOR LIKELY TO WORK OUTSIDE V8!
//
// Originally from narwhal.js (http://narwhaljs.org)
// Copyright (c) 2009 Thomas Robinson <280north.com>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the 'Software'), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

// when used in node, this will actually load the util module we depend on
// versus loading the builtin util module as happens otherwise
// this is a bug in node module loading as far as I am concerned
var util = require('util/');

var pSlice = Array.prototype.slice;
var hasOwn = Object.prototype.hasOwnProperty;

// 1. The assert module provides functions that throw
// AssertionError's when particular conditions are not met. The
// assert module must conform to the following interface.

var assert = module.exports = ok;

// 2. The AssertionError is defined in assert.
// new assert.AssertionError({ message: message,
//                             actual: actual,
//                             expected: expected })

assert.AssertionError = function AssertionError(options) {
  this.name = 'AssertionError';
  this.actual = options.actual;
  this.expected = options.expected;
  this.operator = options.operator;
  if (options.message) {
    this.message = options.message;
    this.generatedMessage = false;
  } else {
    this.message = getMessage(this);
    this.generatedMessage = true;
  }
  var stackStartFunction = options.stackStartFunction || fail;

  if (Error.captureStackTrace) {
    Error.captureStackTrace(this, stackStartFunction);
  }
  else {
    // non v8 browsers so we can have a stacktrace
    var err = new Error();
    if (err.stack) {
      var out = err.stack;

      // try to strip useless frames
      var fn_name = stackStartFunction.name;
      var idx = out.indexOf('\n' + fn_name);
      if (idx >= 0) {
        // once we have located the function frame
        // we need to strip out everything before it (and its line)
        var next_line = out.indexOf('\n', idx + 1);
        out = out.substring(next_line + 1);
      }

      this.stack = out;
    }
  }
};

// assert.AssertionError instanceof Error
util.inherits(assert.AssertionError, Error);

function replacer(key, value) {
  if (util.isUndefined(value)) {
    return '' + value;
  }
  if (util.isNumber(value) && (isNaN(value) || !isFinite(value))) {
    return value.toString();
  }
  if (util.isFunction(value) || util.isRegExp(value)) {
    return value.toString();
  }
  return value;
}

function truncate(s, n) {
  if (util.isString(s)) {
    return s.length < n ? s : s.slice(0, n);
  } else {
    return s;
  }
}

function getMessage(self) {
  return truncate(JSON.stringify(self.actual, replacer), 128) + ' ' +
         self.operator + ' ' +
         truncate(JSON.stringify(self.expected, replacer), 128);
}

// At present only the three keys mentioned above are used and
// understood by the spec. Implementations or sub modules can pass
// other keys to the AssertionError's constructor - they will be
// ignored.

// 3. All of the following functions must throw an AssertionError
// when a corresponding condition is not met, with a message that
// may be undefined if not provided.  All assertion methods provide
// both the actual and expected values to the assertion error for
// display purposes.

function fail(actual, expected, message, operator, stackStartFunction) {
  throw new assert.AssertionError({
    message: message,
    actual: actual,
    expected: expected,
    operator: operator,
    stackStartFunction: stackStartFunction
  });
}

// EXTENSION! allows for well behaved errors defined elsewhere.
assert.fail = fail;

// 4. Pure assertion tests whether a value is truthy, as determined
// by !!guard.
// assert.ok(guard, message_opt);
// This statement is equivalent to assert.equal(true, !!guard,
// message_opt);. To test strictly for the value true, use
// assert.strictEqual(true, guard, message_opt);.

function ok(value, message) {
  if (!value) fail(value, true, message, '==', assert.ok);
}
assert.ok = ok;

// 5. The equality assertion tests shallow, coercive equality with
// ==.
// assert.equal(actual, expected, message_opt);

assert.equal = function equal(actual, expected, message) {
  if (actual != expected) fail(actual, expected, message, '==', assert.equal);
};

// 6. The non-equality assertion tests for whether two objects are not equal
// with != assert.notEqual(actual, expected, message_opt);

assert.notEqual = function notEqual(actual, expected, message) {
  if (actual == expected) {
    fail(actual, expected, message, '!=', assert.notEqual);
  }
};

// 7. The equivalence assertion tests a deep equality relation.
// assert.deepEqual(actual, expected, message_opt);

assert.deepEqual = function deepEqual(actual, expected, message) {
  if (!_deepEqual(actual, expected)) {
    fail(actual, expected, message, 'deepEqual', assert.deepEqual);
  }
};

function _deepEqual(actual, expected) {
  // 7.1. All identical values are equivalent, as determined by ===.
  if (actual === expected) {
    return true;

  } else if (util.isBuffer(actual) && util.isBuffer(expected)) {
    if (actual.length != expected.length) return false;

    for (var i = 0; i < actual.length; i++) {
      if (actual[i] !== expected[i]) return false;
    }

    return true;

  // 7.2. If the expected value is a Date object, the actual value is
  // equivalent if it is also a Date object that refers to the same time.
  } else if (util.isDate(actual) && util.isDate(expected)) {
    return actual.getTime() === expected.getTime();

  // 7.3 If the expected value is a RegExp object, the actual value is
  // equivalent if it is also a RegExp object with the same source and
  // properties (`global`, `multiline`, `lastIndex`, `ignoreCase`).
  } else if (util.isRegExp(actual) && util.isRegExp(expected)) {
    return actual.source === expected.source &&
           actual.global === expected.global &&
           actual.multiline === expected.multiline &&
           actual.lastIndex === expected.lastIndex &&
           actual.ignoreCase === expected.ignoreCase;

  // 7.4. Other pairs that do not both pass typeof value == 'object',
  // equivalence is determined by ==.
  } else if (!util.isObject(actual) && !util.isObject(expected)) {
    return actual == expected;

  // 7.5 For all other Object pairs, including Array objects, equivalence is
  // determined by having the same number of owned properties (as verified
  // with Object.prototype.hasOwnProperty.call), the same set of keys
  // (although not necessarily the same order), equivalent values for every
  // corresponding key, and an identical 'prototype' property. Note: this
  // accounts for both named and indexed properties on Arrays.
  } else {
    return objEquiv(actual, expected);
  }
}

function isArguments(object) {
  return Object.prototype.toString.call(object) == '[object Arguments]';
}

function objEquiv(a, b) {
  if (util.isNullOrUndefined(a) || util.isNullOrUndefined(b))
    return false;
  // an identical 'prototype' property.
  if (a.prototype !== b.prototype) return false;
  //~~~I've managed to break Object.keys through screwy arguments passing.
  //   Converting to array solves the problem.
  if (isArguments(a)) {
    if (!isArguments(b)) {
      return false;
    }
    a = pSlice.call(a);
    b = pSlice.call(b);
    return _deepEqual(a, b);
  }
  try {
    var ka = objectKeys(a),
        kb = objectKeys(b),
        key, i;
  } catch (e) {//happens when one is a string literal and the other isn't
    return false;
  }
  // having the same number of owned properties (keys incorporates
  // hasOwnProperty)
  if (ka.length != kb.length)
    return false;
  //the same set of keys (although not necessarily the same order),
  ka.sort();
  kb.sort();
  //~~~cheap key test
  for (i = ka.length - 1; i >= 0; i--) {
    if (ka[i] != kb[i])
      return false;
  }
  //equivalent values for every corresponding key, and
  //~~~possibly expensive deep test
  for (i = ka.length - 1; i >= 0; i--) {
    key = ka[i];
    if (!_deepEqual(a[key], b[key])) return false;
  }
  return true;
}

// 8. The non-equivalence assertion tests for any deep inequality.
// assert.notDeepEqual(actual, expected, message_opt);

assert.notDeepEqual = function notDeepEqual(actual, expected, message) {
  if (_deepEqual(actual, expected)) {
    fail(actual, expected, message, 'notDeepEqual', assert.notDeepEqual);
  }
};

// 9. The strict equality assertion tests strict equality, as determined by ===.
// assert.strictEqual(actual, expected, message_opt);

assert.strictEqual = function strictEqual(actual, expected, message) {
  if (actual !== expected) {
    fail(actual, expected, message, '===', assert.strictEqual);
  }
};

// 10. The strict non-equality assertion tests for strict inequality, as
// determined by !==.  assert.notStrictEqual(actual, expected, message_opt);

assert.notStrictEqual = function notStrictEqual(actual, expected, message) {
  if (actual === expected) {
    fail(actual, expected, message, '!==', assert.notStrictEqual);
  }
};

function expectedException(actual, expected) {
  if (!actual || !expected) {
    return false;
  }

  if (Object.prototype.toString.call(expected) == '[object RegExp]') {
    return expected.test(actual);
  } else if (actual instanceof expected) {
    return true;
  } else if (expected.call({}, actual) === true) {
    return true;
  }

  return false;
}

function _throws(shouldThrow, block, expected, message) {
  var actual;

  if (util.isString(expected)) {
    message = expected;
    expected = null;
  }

  try {
    block();
  } catch (e) {
    actual = e;
  }

  message = (expected && expected.name ? ' (' + expected.name + ').' : '.') +
            (message ? ' ' + message : '.');

  if (shouldThrow && !actual) {
    fail(actual, expected, 'Missing expected exception' + message);
  }

  if (!shouldThrow && expectedException(actual, expected)) {
    fail(actual, expected, 'Got unwanted exception' + message);
  }

  if ((shouldThrow && actual && expected &&
      !expectedException(actual, expected)) || (!shouldThrow && actual)) {
    throw actual;
  }
}

// 11. Expected to throw an error:
// assert.throws(block, Error_opt, message_opt);

assert.throws = function(block, /*optional*/error, /*optional*/message) {
  _throws.apply(this, [true].concat(pSlice.call(arguments)));
};

// EXTENSION! This is annoying to write outside this module.
assert.doesNotThrow = function(block, /*optional*/message) {
  _throws.apply(this, [false].concat(pSlice.call(arguments)));
};

assert.ifError = function(err) { if (err) {throw err;}};

var objectKeys = Object.keys || function (obj) {
  var keys = [];
  for (var key in obj) {
    if (hasOwn.call(obj, key)) keys.push(key);
  }
  return keys;
};

},{"util/":6}],2:[function(require,module,exports){

},{}],3:[function(require,module,exports){
// shim for using process in browser

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');
};

// TODO(shtylman)
process.cwd = function () { return '/' };
process.chdir = function (dir) {
    throw new Error('process.chdir is not supported');
};

},{}],4:[function(require,module,exports){
if (typeof Object.create === 'function') {
  // implementation from standard node.js 'util' module
  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 {
  // old school shim for old browsers
  module.exports = function inherits(ctor, superCtor) {
    ctor.super_ = superCtor
    var TempCtor = function () {}
    TempCtor.prototype = superCtor.prototype
    ctor.prototype = new TempCtor()
    ctor.prototype.constructor = ctor
  }
}

},{}],5:[function(require,module,exports){
module.exports = function isBuffer(arg) {
  return arg && typeof arg === 'object'
    && typeof arg.copy === 'function'
    && typeof arg.fill === 'function'
    && typeof arg.readUInt8 === 'function';
}
},{}],6:[function(require,module,exports){
(function (process,global){
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

var formatRegExp = /%[sdj%]/g;
exports.format = function(f) {
  if (!isString(f)) {
    var objects = [];
    for (var i = 0; i < arguments.length; i++) {
      objects.push(inspect(arguments[i]));
    }
    return objects.join(' ');
  }

  var i = 1;
  var args = arguments;
  var len = args.length;
  var str = String(f).replace(formatRegExp, function(x) {
    if (x === '%%') return '%';
    if (i >= len) return x;
    switch (x) {
      case '%s': return String(args[i++]);
      case '%d': return Number(args[i++]);
      case '%j':
        try {
          return JSON.stringify(args[i++]);
        } catch (_) {
          return '[Circular]';
        }
      default:
        return x;
    }
  });
  for (var x = args[i]; i < len; x = args[++i]) {
    if (isNull(x) || !isObject(x)) {
      str += ' ' + x;
    } else {
      str += ' ' + inspect(x);
    }
  }
  return str;
};


// Mark that a method should not be used.
// Returns a modified function which warns once by default.
// If --no-deprecation is set, then it is a no-op.
exports.deprecate = function(fn, msg) {
  // Allow for deprecating things in the process of starting up.
  if (isUndefined(global.process)) {
    return function() {
      return exports.deprecate(fn, msg).apply(this, arguments);
    };
  }

  if (process.noDeprecation === true) {
    return fn;
  }

  var warned = false;
  function deprecated() {
    if (!warned) {
      if (process.throwDeprecation) {
        throw new Error(msg);
      } else if (process.traceDeprecation) {
        console.trace(msg);
      } else {
        console.error(msg);
      }
      warned = true;
    }
    return fn.apply(this, arguments);
  }

  return deprecated;
};


var debugs = {};
var debugEnviron;
exports.debuglog = function(set) {
  if (isUndefined(debugEnviron))
    debugEnviron = process.env.NODE_DEBUG || '';
  set = set.toUpperCase();
  if (!debugs[set]) {
    if (new RegExp('\\b' + set + '\\b', 'i').test(debugEnviron)) {
      var pid = process.pid;
      debugs[set] = function() {
        var msg = exports.format.apply(exports, arguments);
        console.error('%s %d: %s', set, pid, msg);
      };
    } else {
      debugs[set] = function() {};
    }
  }
  return debugs[set];
};


/**
 * Echos the value of a value. Trys to print the value out
 * in the best way possible given the different types.
 *
 * @param {Object} obj The object to print out.
 * @param {Object} opts Optional options object that alters the output.
 */
/* legacy: obj, showHidden, depth, colors*/
function inspect(obj, opts) {
  // default options
  var ctx = {
    seen: [],
    stylize: stylizeNoColor
  };
  // legacy...
  if (arguments.length >= 3) ctx.depth = arguments[2];
  if (arguments.length >= 4) ctx.colors = arguments[3];
  if (isBoolean(opts)) {
    // legacy...
    ctx.showHidden = opts;
  } else if (opts) {
    // got an "options" object
    exports._extend(ctx, opts);
  }
  // set default options
  if (isUndefined(ctx.showHidden)) ctx.showHidden = false;
  if (isUndefined(ctx.depth)) ctx.depth = 2;
  if (isUndefined(ctx.colors)) ctx.colors = false;
  if (isUndefined(ctx.customInspect)) ctx.customInspect = true;
  if (ctx.colors) ctx.stylize = stylizeWithColor;
  return formatValue(ctx, obj, ctx.depth);
}
exports.inspect = inspect;


// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics
inspect.colors = {
  'bold' : [1, 22],
  'italic' : [3, 23],
  'underline' : [4, 24],
  'inverse' : [7, 27],
  'white' : [37, 39],
  'grey' : [90, 39],
  'black' : [30, 39],
  'blue' : [34, 39],
  'cyan' : [36, 39],
  'green' : [32, 39],
  'magenta' : [35, 39],
  'red' : [31, 39],
  'yellow' : [33, 39]
};

// Don't use 'blue' not visible on cmd.exe
inspect.styles = {
  'special': 'cyan',
  'number': 'yellow',
  'boolean': 'yellow',
  'undefined': 'grey',
  'null': 'bold',
  'string': 'green',
  'date': 'magenta',
  // "name": intentionally not styling
  'regexp': 'red'
};


function stylizeWithColor(str, styleType) {
  var style = inspect.styles[styleType];

  if (style) {
    return '\u001b[' + inspect.colors[style][0] + 'm' + str +
           '\u001b[' + inspect.colors[style][1] + 'm';
  } else {
    return str;
  }
}


function stylizeNoColor(str, styleType) {
  return str;
}


function arrayToHash(array) {
  var hash = {};

  array.forEach(function(val, idx) {
    hash[val] = true;
  });

  return hash;
}


function formatValue(ctx, value, recurseTimes) {
  // Provide a hook for user-specified inspect functions.
  // Check that value is an object with an inspect function on it
  if (ctx.customInspect &&
      value &&
      isFunction(value.inspect) &&
      // Filter out the util module, it's inspect function is special
      value.inspect !== exports.inspect &&
      // Also filter out any prototype objects using the circular check.
      !(value.constructor && value.constructor.prototype === value)) {
    var ret = value.inspect(recurseTimes, ctx);
    if (!isString(ret)) {
      ret = formatValue(ctx, ret, recurseTimes);
    }
    return ret;
  }

  // Primitive types cannot have properties
  var primitive = formatPrimitive(ctx, value);
  if (primitive) {
    return primitive;
  }

  // Look up the keys of the object.
  var keys = Object.keys(value);
  var visibleKeys = arrayToHash(keys);

  if (ctx.showHidden) {
    keys = Object.getOwnPropertyNames(value);
  }

  // IE doesn't make error fields non-enumerable
  // http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx
  if (isError(value)
      && (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) {
    return formatError(value);
  }

  // Some type of object without properties can be shortcutted.
  if (keys.length === 0) {
    if (isFunction(value)) {
      var name = value.name ? ': ' + value.name : '';
      return ctx.stylize('[Function' + name + ']', 'special');
    }
    if (isRegExp(value)) {
      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
    }
    if (isDate(value)) {
      return ctx.stylize(Date.prototype.toString.call(value), 'date');
    }
    if (isError(value)) {
      return formatError(value);
    }
  }

  var base = '', array = false, braces = ['{', '}'];

  // Make Array say that they are Array
  if (isArray(value)) {
    array = true;
    braces = ['[', ']'];
  }

  // Make functions say that they are functions
  if (isFunction(value)) {
    var n = value.name ? ': ' + value.name : '';
    base = ' [Function' + n + ']';
  }

  // Make RegExps say that they are RegExps
  if (isRegExp(value)) {
    base = ' ' + RegExp.prototype.toString.call(value);
  }

  // Make dates with properties first say the date
  if (isDate(value)) {
    base = ' ' + Date.prototype.toUTCString.call(value);
  }

  // Make error with message first say the error
  if (isError(value)) {
    base = ' ' + formatError(value);
  }

  if (keys.length === 0 && (!array || value.length == 0)) {
    return braces[0] + base + braces[1];
  }

  if (recurseTimes < 0) {
    if (isRegExp(value)) {
      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
    } else {
      return ctx.stylize('[Object]', 'special');
    }
  }

  ctx.seen.push(value);

  var output;
  if (array) {
    output = formatArray(ctx, value, recurseTimes, visibleKeys, keys);
  } else {
    output = keys.map(function(key) {
      return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array);
    });
  }

  ctx.seen.pop();

  return reduceToSingleString(output, base, braces);
}


function formatPrimitive(ctx, value) {
  if (isUndefined(value))
    return ctx.stylize('undefined', 'undefined');
  if (isString(value)) {
    var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '')
                                             .replace(/'/g, "\\'")
                                             .replace(/\\"/g, '"') + '\'';
    return ctx.stylize(simple, 'string');
  }
  if (isNumber(value))
    return ctx.stylize('' + value, 'number');
  if (isBoolean(value))
    return ctx.stylize('' + value, 'boolean');
  // For some reason typeof null is "object", so special case here.
  if (isNull(value))
    return ctx.stylize('null', 'null');
}


function formatError(value) {
  return '[' + Error.prototype.toString.call(value) + ']';
}


function formatArray(ctx, value, recurseTimes, visibleKeys, keys) {
  var output = [];
  for (var i = 0, l = value.length; i < l; ++i) {
    if (hasOwnProperty(value, String(i))) {
      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
          String(i), true));
    } else {
      output.push('');
    }
  }
  keys.forEach(function(key) {
    if (!key.match(/^\d+$/)) {
      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
          key, true));
    }
  });
  return output;
}


function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) {
  var name, str, desc;
  desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] };
  if (desc.get) {
    if (desc.set) {
      str = ctx.stylize('[Getter/Setter]', 'special');
    } else {
      str = ctx.stylize('[Getter]', 'special');
    }
  } else {
    if (desc.set) {
      str = ctx.stylize('[Setter]', 'special');
    }
  }
  if (!hasOwnProperty(visibleKeys, key)) {
    name = '[' + key + ']';
  }
  if (!str) {
    if (ctx.seen.indexOf(desc.value) < 0) {
      if (isNull(recurseTimes)) {
        str = formatValue(ctx, desc.value, null);
      } else {
        str = formatValue(ctx, desc.value, recurseTimes - 1);
      }
      if (str.indexOf('\n') > -1) {
        if (array) {
          str = str.split('\n').map(function(line) {
            return '  ' + line;
          }).join('\n').substr(2);
        } else {
          str = '\n' + str.split('\n').map(function(line) {
            return '   ' + line;
          }).join('\n');
        }
      }
    } else {
      str = ctx.stylize('[Circular]', 'special');
    }
  }
  if (isUndefined(name)) {
    if (array && key.match(/^\d+$/)) {
      return str;
    }
    name = JSON.stringify('' + key);
    if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) {
      name = name.substr(1, name.length - 2);
      name = ctx.stylize(name, 'name');
    } else {
      name = name.replace(/'/g, "\\'")
                 .replace(/\\"/g, '"')
                 .replace(/(^"|"$)/g, "'");
      name = ctx.stylize(name, 'string');
    }
  }

  return name + ': ' + str;
}


function reduceToSingleString(output, base, braces) {
  var numLinesEst = 0;
  var length = output.reduce(function(prev, cur) {
    numLinesEst++;
    if (cur.indexOf('\n') >= 0) numLinesEst++;
    return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1;
  }, 0);

  if (length > 60) {
    return braces[0] +
           (base === '' ? '' : base + '\n ') +
           ' ' +
           output.join(',\n  ') +
           ' ' +
           braces[1];
  }

  return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];
}


// NOTE: These type checking functions intentionally don't use `instanceof`
// because it is fragile and can be easily faked with `Object.create()`.
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' ||  // ES6 symbol
         typeof arg === 'undefined';
}
exports.isPrimitive = isPrimitive;

exports.isBuffer = require('./support/isBuffer');

function objectToString(o) {
  return Object.prototype.toString.call(o);
}


function pad(n) {
  return n < 10 ? '0' + n.toString(10) : n.toString(10);
}


var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep',
              'Oct', 'Nov', 'Dec'];

// 26 Feb 16:19:34
function timestamp() {
  var d = new Date();
  var time = [pad(d.getHours()),
              pad(d.getMinutes()),
              pad(d.getSeconds())].join(':');
  return [d.getDate(), months[d.getMonth()], time].join(' ');
}


// log is just a thin wrapper to console.log that prepends a timestamp
exports.log = function() {
  console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments));
};


/**
 * Inherit the prototype methods from one constructor into another.
 *
 * The Function.prototype.inherits from lang.js rewritten as a standalone
 * function (not on Function.prototype). NOTE: If this file is to be loaded
 * during bootstrapping this function needs to be rewritten using some native
 * functions as prototype setup using normal JavaScript does not work as
 * expected during bootstrapping (see mirror.js in r114903).
 *
 * @param {function} ctor Constructor function which needs to inherit the
 *     prototype.
 * @param {function} superCtor Constructor function to inherit prototype from.
 */
exports.inherits = require('inherits');

exports._extend = function(origin, add) {
  // Don't do anything if add isn't an object
  if (!add || !isObject(add)) return origin;

  var keys = Object.keys(add);
  var i = keys.length;
  while (i--) {
    origin[keys[i]] = add[keys[i]];
  }
  return origin;
};

function hasOwnProperty(obj, prop) {
  return Object.prototype.hasOwnProperty.call(obj, prop);
}

}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
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IN\n// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,\n// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE\n// USE OR OTHER DEALINGS IN THE SOFTWARE.\n\nvar formatRegExp = /%[sdj%]/g;\nexports.format = function(f) {\n  if (!isString(f)) {\n    var objects = [];\n    for (var i = 0; i < arguments.length; i++) {\n      objects.push(inspect(arguments[i]));\n    }\n    return objects.join(' ');\n  }\n\n  var i = 1;\n  var args = arguments;\n  var len = args.length;\n  var str = String(f).replace(formatRegExp, function(x) {\n    if (x === '%%') return '%';\n    if (i >= len) return x;\n    switch (x) {\n      case '%s': return String(args[i++]);\n      case '%d': return Number(args[i++]);\n      case '%j':\n        try {\n          return JSON.stringify(args[i++]);\n        } catch (_) {\n          return '[Circular]';\n        }\n      default:\n        return x;\n    }\n  });\n  for (var x = args[i]; i < len; x = args[++i]) {\n    if (isNull(x) || !isObject(x)) {\n      str += ' ' + x;\n    } else {\n      str += ' ' + inspect(x);\n    }\n  }\n  return str;\n};\n\n\n// Mark that a method should not be used.\n// Returns a modified function which warns once by default.\n// If --no-deprecation is set, then it is a no-op.\nexports.deprecate = function(fn, msg) {\n  // Allow for deprecating things in the process of starting up.\n  if (isUndefined(global.process)) {\n    return function() {\n      return exports.deprecate(fn, msg).apply(this, arguments);\n    };\n  }\n\n  if (process.noDeprecation === true) {\n    return fn;\n  }\n\n  var warned = false;\n  function deprecated() {\n    if (!warned) {\n      if (process.throwDeprecation) {\n        throw new Error(msg);\n      } else if (process.traceDeprecation) {\n        console.trace(msg);\n      } else {\n        console.error(msg);\n      }\n      warned = true;\n    }\n    return fn.apply(this, arguments);\n  }\n\n  return deprecated;\n};\n\n\nvar debugs = {};\nvar debugEnviron;\nexports.debuglog = function(set) {\n  if (isUndefined(debugEnviron))\n    debugEnviron = process.env.NODE_DEBUG || '';\n  set = set.toUpperCase();\n  if (!debugs[set]) {\n    if (new RegExp('\\\\b' + set + '\\\\b', 'i').test(debugEnviron)) {\n      var pid = process.pid;\n      debugs[set] = function() {\n        var msg = exports.format.apply(exports, arguments);\n        console.error('%s %d: %s', set, pid, msg);\n      };\n    } else {\n      debugs[set] = function() {};\n    }\n  }\n  return debugs[set];\n};\n\n\n/**\n * Echos the value of a value. Trys to print the value out\n * in the best way possible given the different types.\n *\n * @param {Object} obj The object to print out.\n * @param {Object} opts Optional options object that alters the output.\n */\n/* legacy: obj, showHidden, depth, colors*/\nfunction inspect(obj, opts) {\n  // default options\n  var ctx = {\n    seen: [],\n    stylize: stylizeNoColor\n  };\n  // legacy...\n  if (arguments.length >= 3) ctx.depth = arguments[2];\n  if (arguments.length >= 4) ctx.colors = arguments[3];\n  if (isBoolean(opts)) {\n    // legacy...\n    ctx.showHidden = opts;\n  } else if (opts) {\n    // got an \"options\" object\n    exports._extend(ctx, opts);\n  }\n  // set default options\n  if (isUndefined(ctx.showHidden)) ctx.showHidden = false;\n  if (isUndefined(ctx.depth)) ctx.depth = 2;\n  if (isUndefined(ctx.colors)) ctx.colors = false;\n  if (isUndefined(ctx.customInspect)) ctx.customInspect = true;\n  if (ctx.colors) ctx.stylize = stylizeWithColor;\n  return formatValue(ctx, obj, ctx.depth);\n}\nexports.inspect = inspect;\n\n\n// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics\ninspect.colors = {\n  'bold' : [1, 22],\n  'italic' : [3, 23],\n  'underline' : [4, 24],\n  'inverse' : [7, 27],\n  'white' : [37, 39],\n  'grey' : [90, 39],\n  'black' : [30, 39],\n  'blue' : [34, 39],\n  'cyan' : [36, 39],\n  'green' : [32, 39],\n  'magenta' : [35, 39],\n  'red' : [31, 39],\n  'yellow' : [33, 39]\n};\n\n// Don't use 'blue' not visible on cmd.exe\ninspect.styles = {\n  'special': 'cyan',\n  'number': 'yellow',\n  'boolean': 'yellow',\n  'undefined': 'grey',\n  'null': 'bold',\n  'string': 'green',\n  'date': 'magenta',\n  // \"name\": intentionally not styling\n  'regexp': 'red'\n};\n\n\nfunction stylizeWithColor(str, styleType) {\n  var style = inspect.styles[styleType];\n\n  if (style) {\n    return '\\u001b[' + inspect.colors[style][0] + 'm' + str +\n           '\\u001b[' + inspect.colors[style][1] + 'm';\n  } else {\n    return str;\n  }\n}\n\n\nfunction stylizeNoColor(str, styleType) {\n  return str;\n}\n\n\nfunction arrayToHash(array) {\n  var hash = {};\n\n  array.forEach(function(val, idx) {\n    hash[val] = true;\n  });\n\n  return hash;\n}\n\n\nfunction formatValue(ctx, value, recurseTimes) {\n  // Provide a hook for user-specified inspect functions.\n  // Check that value is an object with an inspect function on it\n  if (ctx.customInspect &&\n      value &&\n      isFunction(value.inspect) &&\n      // Filter out the util module, it's inspect function is special\n      value.inspect !== exports.inspect &&\n      // Also filter out any prototype objects using the circular check.\n      !(value.constructor && value.constructor.prototype === value)) {\n    var ret = value.inspect(recurseTimes, ctx);\n    if (!isString(ret)) {\n      ret = formatValue(ctx, ret, recurseTimes);\n    }\n    return ret;\n  }\n\n  // Primitive types cannot have properties\n  var primitive = formatPrimitive(ctx, value);\n  if (primitive) {\n    return primitive;\n  }\n\n  // Look up the keys of the object.\n  var keys = Object.keys(value);\n  var visibleKeys = arrayToHash(keys);\n\n  if (ctx.showHidden) {\n    keys = Object.getOwnPropertyNames(value);\n  }\n\n  // IE doesn't make error fields non-enumerable\n  // http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx\n  if (isError(value)\n      && (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) {\n    return formatError(value);\n  }\n\n  // Some type of object without properties can be shortcutted.\n  if (keys.length === 0) {\n    if (isFunction(value)) {\n      var name = value.name ? ': ' + value.name : '';\n      return ctx.stylize('[Function' + name + ']', 'special');\n    }\n    if (isRegExp(value)) {\n      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');\n    }\n    if (isDate(value)) {\n      return ctx.stylize(Date.prototype.toString.call(value), 'date');\n    }\n    if (isError(value)) {\n      return formatError(value);\n    }\n  }\n\n  var base = '', array = false, braces = ['{', '}'];\n\n  // Make Array say that they are Array\n  if (isArray(value)) {\n    array = true;\n    braces = ['[', ']'];\n  }\n\n  // Make functions say that they are functions\n  if (isFunction(value)) {\n    var n = value.name ? ': ' + value.name : '';\n    base = ' [Function' + n + ']';\n  }\n\n  // Make RegExps say that they are RegExps\n  if (isRegExp(value)) {\n    base = ' ' + RegExp.prototype.toString.call(value);\n  }\n\n  // Make dates with properties first say the date\n  if (isDate(value)) {\n    base = ' ' + Date.prototype.toUTCString.call(value);\n  }\n\n  // Make error with message first say the error\n  if (isError(value)) {\n    base = ' ' + formatError(value);\n  }\n\n  if (keys.length === 0 && (!array || value.length == 0)) {\n    return braces[0] + base + braces[1];\n  }\n\n  if (recurseTimes < 0) {\n    if (isRegExp(value)) {\n      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');\n    } else {\n      return ctx.stylize('[Object]', 'special');\n    }\n  }\n\n  ctx.seen.push(value);\n\n  var output;\n  if (array) {\n    output = formatArray(ctx, value, recurseTimes, visibleKeys, keys);\n  } else {\n    output = keys.map(function(key) {\n      return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array);\n    });\n  }\n\n  ctx.seen.pop();\n\n  return reduceToSingleString(output, base, braces);\n}\n\n\nfunction formatPrimitive(ctx, value) {\n  if (isUndefined(value))\n    return ctx.stylize('undefined', 'undefined');\n  if (isString(value)) {\n    var simple = '\\'' + JSON.stringify(value).replace(/^\"|\"$/g, '')\n                                             .replace(/'/g, \"\\\\'\")\n                                             .replace(/\\\\\"/g, '\"') + '\\'';\n    return ctx.stylize(simple, 'string');\n  }\n  if (isNumber(value))\n    return ctx.stylize('' + value, 'number');\n  if (isBoolean(value))\n    return ctx.stylize('' + value, 'boolean');\n  // For some reason typeof null is \"object\", so special case here.\n  if (isNull(value))\n    return ctx.stylize('null', 'null');\n}\n\n\nfunction formatError(value) {\n  return '[' + Error.prototype.toString.call(value) + ']';\n}\n\n\nfunction formatArray(ctx, value, recurseTimes, visibleKeys, keys) {\n  var output = [];\n  for (var i = 0, l = value.length; i < l; ++i) {\n    if (hasOwnProperty(value, String(i))) {\n      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,\n          String(i), true));\n    } else {\n      output.push('');\n    }\n  }\n  keys.forEach(function(key) {\n    if (!key.match(/^\\d+$/)) {\n      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,\n          key, true));\n    }\n  });\n  return output;\n}\n\n\nfunction formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) {\n  var name, str, desc;\n  desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] };\n  if (desc.get) {\n    if (desc.set) {\n      str = ctx.stylize('[Getter/Setter]', 'special');\n    } else {\n      str = ctx.stylize('[Getter]', 'special');\n    }\n  } else {\n    if (desc.set) {\n      str = ctx.stylize('[Setter]', 'special');\n    }\n  }\n  if (!hasOwnProperty(visibleKeys, key)) {\n    name = '[' + key + ']';\n  }\n  if (!str) {\n    if (ctx.seen.indexOf(desc.value) < 0) {\n      if (isNull(recurseTimes)) {\n        str = formatValue(ctx, desc.value, null);\n      } else {\n        str = formatValue(ctx, desc.value, recurseTimes - 1);\n      }\n      if (str.indexOf('\\n') > -1) {\n        if (array) {\n          str = str.split('\\n').map(function(line) {\n            return '  ' + line;\n          }).join('\\n').substr(2);\n        } else {\n          str = '\\n' + str.split('\\n').map(function(line) {\n            return '   ' + line;\n          }).join('\\n');\n        }\n      }\n    } else {\n      str = ctx.stylize('[Circular]', 'special');\n    }\n  }\n  if (isUndefined(name)) {\n    if (array && key.match(/^\\d+$/)) {\n      return str;\n    }\n    name = JSON.stringify('' + key);\n    if (name.match(/^\"([a-zA-Z_][a-zA-Z_0-9]*)\"$/)) {\n      name = name.substr(1, name.length - 2);\n      name = ctx.stylize(name, 'name');\n    } else {\n      name = name.replace(/'/g, \"\\\\'\")\n                 .replace(/\\\\\"/g, '\"')\n                 .replace(/(^\"|\"$)/g, \"'\");\n      name = ctx.stylize(name, 'string');\n    }\n  }\n\n  return name + ': ' + str;\n}\n\n\nfunction reduceToSingleString(output, base, braces) {\n  var numLinesEst = 0;\n  var length = output.reduce(function(prev, cur) {\n    numLinesEst++;\n    if (cur.indexOf('\\n') >= 0) numLinesEst++;\n    return prev + cur.replace(/\\u001b\\[\\d\\d?m/g, '').length + 1;\n  }, 0);\n\n  if (length > 60) {\n    return braces[0] +\n           (base === '' ? '' : base + '\\n ') +\n           ' ' +\n           output.join(',\\n  ') +\n           ' ' +\n           braces[1];\n  }\n\n  return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];\n}\n\n\n// NOTE: These type checking functions intentionally don't use `instanceof`\n// because it is fragile and can be easily faked with `Object.create()`.\nfunction isArray(ar) {\n  return Array.isArray(ar);\n}\nexports.isArray = isArray;\n\nfunction isBoolean(arg) {\n  return typeof arg === 'boolean';\n}\nexports.isBoolean = isBoolean;\n\nfunction isNull(arg) {\n  return arg === null;\n}\nexports.isNull = isNull;\n\nfunction isNullOrUndefined(arg) {\n  return arg == null;\n}\nexports.isNullOrUndefined = isNullOrUndefined;\n\nfunction isNumber(arg) {\n  return typeof arg === 'number';\n}\nexports.isNumber = isNumber;\n\nfunction isString(arg) {\n  return typeof arg === 'string';\n}\nexports.isString = isString;\n\nfunction isSymbol(arg) {\n  return typeof arg === 'symbol';\n}\nexports.isSymbol = isSymbol;\n\nfunction isUndefined(arg) {\n  return arg === void 0;\n}\nexports.isUndefined = isUndefined;\n\nfunction isRegExp(re) {\n  return isObject(re) && objectToString(re) === '[object RegExp]';\n}\nexports.isRegExp = isRegExp;\n\nfunction isObject(arg) {\n  return typeof arg === 'object' && arg !== null;\n}\nexports.isObject = isObject;\n\nfunction isDate(d) {\n  return isObject(d) && objectToString(d) === '[object Date]';\n}\nexports.isDate = isDate;\n\nfunction isError(e) {\n  return isObject(e) &&\n      (objectToString(e) === '[object Error]' || e instanceof Error);\n}\nexports.isError = isError;\n\nfunction isFunction(arg) {\n  return typeof arg === 'function';\n}\nexports.isFunction = isFunction;\n\nfunction isPrimitive(arg) {\n  return arg === null ||\n         typeof arg === 'boolean' ||\n         typeof arg === 'number' ||\n         typeof arg === 'string' ||\n         typeof arg === 'symbol' ||  // ES6 symbol\n         typeof arg === 'undefined';\n}\nexports.isPrimitive = isPrimitive;\n\nexports.isBuffer = require('./support/isBuffer');\n\nfunction objectToString(o) {\n  return Object.prototype.toString.call(o);\n}\n\n\nfunction pad(n) {\n  return n < 10 ? '0' + n.toString(10) : n.toString(10);\n}\n\n\nvar months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep',\n              'Oct', 'Nov', 'Dec'];\n\n// 26 Feb 16:19:34\nfunction timestamp() {\n  var d = new Date();\n  var time = [pad(d.getHours()),\n              pad(d.getMinutes()),\n              pad(d.getSeconds())].join(':');\n  return [d.getDate(), months[d.getMonth()], time].join(' ');\n}\n\n\n// log is just a thin wrapper to console.log that prepends a timestamp\nexports.log = function() {\n  console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments));\n};\n\n\n/**\n * Inherit the prototype methods from one constructor into another.\n *\n * The Function.prototype.inherits from lang.js rewritten as a standalone\n * function (not on Function.prototype). NOTE: If this file is to be loaded\n * during bootstrapping this function needs to be rewritten using some native\n * functions as prototype setup using normal JavaScript does not work as\n * expected during bootstrapping (see mirror.js in r114903).\n *\n * @param {function} ctor Constructor function which needs to inherit the\n *     prototype.\n * @param {function} superCtor Constructor function to inherit prototype from.\n */\nexports.inherits = require('inherits');\n\nexports._extend = function(origin, add) {\n  // Don't do anything if add isn't an object\n  if (!add || !isObject(add)) return origin;\n\n  var keys = Object.keys(add);\n  var i = keys.length;\n  while (i--) {\n    origin[keys[i]] = add[keys[i]];\n  }\n  return origin;\n};\n\nfunction hasOwnProperty(obj, prop) {\n  return Object.prototype.hasOwnProperty.call(obj, prop);\n}\n"]}
},{"./support/isBuffer":5,"_process":3,"inherits":4}],7:[function(require,module,exports){
module.exports = applyHook

// apply arguments onto an array of functions, useful for hooks
// (arr, any?, any?, any?, any?, any?) -> null
function applyHook (arr, arg1, arg2, arg3, arg4, arg5) {
  arr.forEach(function (fn) {
    fn(arg1, arg2, arg3, arg4, arg5)
  })
}

},{}],8:[function(require,module,exports){
const mutate = require('xtend/mutable')
const assert = require('assert')
const xtend = require('xtend')

const applyHook = require('./apply-hook')

module.exports = dispatcher

// initialize a new barracks instance
// obj -> obj
function dispatcher (hooks) {
  hooks = hooks || {}
  assert.equal(typeof hooks, 'object', 'barracks: hooks should be undefined or an object')

  const onStateChangeHooks = []
  const onActionHooks = []
  const onErrorHooks = []

  const subscriptionWraps = []
  const initialStateWraps = []
  const reducerWraps = []
  const effectWraps = []

  use(hooks)

  var reducersCalled = false
  var effectsCalled = false
  var stateCalled = false
  var subsCalled = false

  const subscriptions = start._subscriptions = {}
  const reducers = start._reducers = {}
  const effects = start._effects = {}
  const models = start._models = []
  var _state = {}

  start.model = setModel
  start.state = getState
  start.start = start
  start.use = use
  return start

  // push an object of hooks onto an array
  // obj -> null
  function use (hooks) {
    assert.equal(typeof hooks, 'object', 'barracks.use: hooks should be an object')
    assert.ok(!hooks.onError || typeof hooks.onError === 'function', 'barracks.use: onError should be undefined or a function')
    assert.ok(!hooks.onAction || typeof hooks.onAction === 'function', 'barracks.use: onAction should be undefined or a function')
    assert.ok(!hooks.onStateChange || typeof hooks.onStateChange === 'function', 'barracks.use: onStateChange should be undefined or a function')

    if (hooks.onStateChange) onStateChangeHooks.push(hooks.onStateChange)
    if (hooks.onError) onErrorHooks.push(wrapOnError(hooks.onError))
    if (hooks.onAction) onActionHooks.push(hooks.onAction)
    if (hooks.wrapSubscriptions) subscriptionWraps.push(hooks.wrapSubscriptions)
    if (hooks.wrapInitialState) initialStateWraps.push(hooks.wrapInitialState)
    if (hooks.wrapReducers) reducerWraps.push(hooks.wrapReducers)
    if (hooks.wrapEffects) effectWraps.push(hooks.wrapEffects)
  }

  // push a model to be initiated
  // obj -> null
  function setModel (model) {
    assert.equal(typeof model, 'object', 'barracks.store.model: model should be an object')
    models.push(model)
  }

  // get the current state from the store
  // obj? -> obj
  function getState (opts) {
    opts = opts || {}
    assert.equal(typeof opts, 'object', 'barracks.store.state: opts should be an object')

    const state = opts.state
    if (!opts.state && opts.freeze === false) return xtend(_state)
    else if (!opts.state) return Object.freeze(xtend(_state))
    assert.equal(typeof state, 'object', 'barracks.store.state: state should be an object')

    const namespaces = []
    const newState = {}

    // apply all fields from the model, and namespaced fields from the passed
    // in state
    models.forEach(function (model) {
      const ns = model.namespace
      namespaces.push(ns)
      const modelState = model.state || {}
      if (ns) {
        newState[ns] = newState[ns] || {}
        apply(ns, modelState, newState)
        newState[ns] = xtend(newState[ns], state[ns])
      } else {
        mutate(newState, modelState)
      }
    })

    // now apply all fields that weren't namespaced from the passed in state
    Object.keys(state).forEach(function (key) {
      if (namespaces.indexOf(key) !== -1) return
      newState[key] = state[key]
    })

    const tmpState = xtend(_state, xtend(state, newState))
    const wrappedState = wrapHook(tmpState, initialStateWraps)

    return (opts.freeze === false)
      ? wrappedState
      : Object.freeze(wrappedState)
  }

  // initialize the store hooks, get the send() function
  // obj? -> fn
  function start (opts) {
    opts = opts || {}
    assert.equal(typeof opts, 'object', 'barracks.store.start: opts should be undefined or an object')

    // register values from the models
    models.forEach(function (model) {
      const ns = model.namespace
      if (!stateCalled && model.state && opts.state !== false) {
        const modelState = model.state || {}
        if (ns) {
          _state[ns] = _state[ns] || {}
          apply(ns, modelState, _state)
        } else {
          mutate(_state, modelState)
        }
      }
      if (!reducersCalled && model.reducers && opts.reducers !== false) {
        apply(ns, model.reducers, reducers, function (cb) {
          return wrapHook(cb, reducerWraps)
        })
      }
      if (!effectsCalled && model.effects && opts.effects !== false) {
        apply(ns, model.effects, effects, function (cb) {
          return wrapHook(cb, effectWraps)
        })
      }
      if (!subsCalled && model.subscriptions && opts.subscriptions !== false) {
        apply(ns, model.subscriptions, subscriptions, function (cb, key) {
          const send = createSend('subscription: ' + (ns ? ns + ':' + key : key))
          cb = wrapHook(cb, subscriptionWraps)
          cb(send, function (err) {
            applyHook(onErrorHooks, err, _state, createSend)
          })
          return cb
        })
      }
    })

    // the state wrap is special because we want to operate on the full
    // state rather than indvidual chunks, so we apply it outside the loop
    if (!stateCalled && opts.state !== false) {
      _state = wrapHook(_state, initialStateWraps)
    }

    if (!opts.noSubscriptions) subsCalled = true
    if (!opts.noReducers) reducersCalled = true
    if (!opts.noEffects) effectsCalled = true
    if (!opts.noState) stateCalled = true

    if (!onErrorHooks.length) onErrorHooks.push(wrapOnError(defaultOnError))

    return createSend

    // call an action from a view
    // (str, bool?) -> (str, any?, fn?) -> null
    function createSend (selfName, callOnError) {
      assert.equal(typeof selfName, 'string', 'barracks.store.start.createSend: selfName should be a string')
      assert.ok(!callOnError || typeof callOnError === 'boolean', 'barracks.store.start.send: callOnError should be undefined or a boolean')

      return function send (name, data, cb) {
        if (!cb && !callOnError) {
          cb = data
          data = null
        }
        data = (typeof data === 'undefined' ? null : data)

        assert.equal(typeof name, 'string', 'barracks.store.start.send: name should be a string')
        assert.ok(!cb || typeof cb === 'function', 'barracks.store.start.send: cb should be a function')

        const done = callOnError ? onErrorCallback : cb
        _send(name, data, selfName, done)

        function onErrorCallback (err) {
          err = err || null
          if (err) {
            applyHook(onErrorHooks, err, _state, function createSend (selfName) {
              return function send (name, data) {
                assert.equal(typeof name, 'string', 'barracks.store.start.send: name should be a string')
                data = (typeof data === 'undefined' ? null : data)
                _send(name, data, selfName, done)
              }
            })
          }
        }
      }
    }

    // call an action
    // (str, str, any, fn) -> null
    function _send (name, data, caller, cb) {
      assert.equal(typeof name, 'string', 'barracks._send: name should be a string')
      assert.equal(typeof caller, 'string', 'barracks._send: caller should be a string')
      assert.equal(typeof cb, 'function', 'barracks._send: cb should be a function')

      setTimeout(function () {
        var reducersCalled = false
        var effectsCalled = false
        const newState = xtend(_state)

        if (onActionHooks.length) {
          applyHook(onActionHooks, data, _state, name, caller, createSend)
        }

        // validate if a namespace exists. Namespaces are delimited by ':'.
        var actionName = name
        if (/:/.test(name)) {
          const arr = name.split(':')
          var ns = arr.shift()
          actionName = arr.join(':')
        }

        const _reducers = ns ? reducers[ns] : reducers
        if (_reducers && _reducers[actionName]) {
          if (ns) {
            const reducedState = _reducers[actionName](data, _state[ns])
            newState[ns] = xtend(_state[ns], reducedState)
          } else {
            mutate(newState, reducers[actionName](data, _state))
          }
          reducersCalled = true
          if (onStateChangeHooks.length) {
            applyHook(onStateChangeHooks, data, newState, _state, actionName, createSend)
          }
          _state = newState
          cb(null, newState)
        }

        const _effects = ns ? effects[ns] : effects
        if (!reducersCalled && _effects && _effects[actionName]) {
          const send = createSend('effect: ' + name)
          if (ns) _effects[actionName](data, _state[ns], send, cb)
          else _effects[actionName](data, _state, send, cb)
          effectsCalled = true
        }

        if (!reducersCalled && !effectsCalled) {
          throw new Error('Could not find action ' + actionName)
        }
      }, 0)
    }
  }
}

// compose an object conditionally
// optionally contains a namespace
// which is used to nest properties.
// (str, obj, obj, fn?) -> null
function apply (ns, source, target, wrap) {
  if (ns && !target[ns]) target[ns] = {}
  Object.keys(source).forEach(function (key) {
    const cb = wrap ? wrap(source[key], key) : source[key]
    if (ns) target[ns][key] = cb
    else target[key] = cb
  })
}

// handle errors all the way at the top of the trace
// err? -> null
function defaultOnError (err) {
  throw err
}

function wrapOnError (onError) {
  return function onErrorWrap (err, state, createSend) {
    if (err) onError(err, state, createSend)
  }
}

// take a apply an array of transforms onto a value. The new value
// must be returned synchronously from the transform
// (any, [fn]) -> any
function wrapHook (value, transforms) {
  transforms.forEach(function (transform) {
    value = transform(value)
  })
  return value
}

},{"./apply-hook":7,"assert":1,"xtend":21,"xtend/mutable":22}],9:[function(require,module,exports){
'use strict'

var document = require('global/document')

module.exports = document.addEventListener ? ready : noop

function ready (callback) {
  var state = document.readyState
  if (state === 'complete' || state === 'interactive') {
    return setTimeout(callback, 0)
  }

  document.addEventListener('DOMContentLoaded', function onLoad () {
    callback()
  })
}

function noop () {}

},{"global/document":10}],10:[function(require,module,exports){
(function (global){
var topLevel = typeof global !== 'undefined' ? global :
    typeof window !== 'undefined' ? window : {}
var minDoc = require('min-document');

if (typeof document !== 'undefined') {
    module.exports = document;
} else {
    var doccy = topLevel['__GLOBAL_DOCUMENT_CACHE@4'];

    if (!doccy) {
        doccy = topLevel['__GLOBAL_DOCUMENT_CACHE@4'] = minDoc;
    }

    module.exports = doccy;
}

}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
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},{"min-document":2}],11:[function(require,module,exports){
(function (global){
if (typeof window !== "undefined") {
    module.exports = window;
} else if (typeof global !== "undefined") {
    module.exports = global;
} else if (typeof self !== "undefined"){
    module.exports = self;
} else {
    module.exports = {};
}

}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
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},{}],12:[function(require,module,exports){
module.exports = function hashMatch (hash, prefix) {
  var pre = prefix || '/';
  if (hash.length === 0) return pre;
  hash = hash.replace('#', '');
  hash = hash.replace(/\/$/, '')
  if (hash.indexOf('/') != 0) hash = '/' + hash;
  if (pre == '/') return hash;
  else return hash.replace(pre, '');
}

},{}],13:[function(require,module,exports){
const window = require('global/window')
const assert = require('assert')

module.exports = nanoraf

// Only call RAF when needed
// (fn, fn?) -> fn
function nanoraf (render, raf) {
  assert.equal(typeof render, 'function', 'nanoraf: render should be a function')
  assert.ok(typeof raf === 'function' || typeof raf === 'undefined', 'nanoraf: raf should be a function or undefined')

  if (!raf) { raf = window.requestAnimationFrame }

  var inRenderingTransaction = false
  var redrawScheduled = false
  var currentState = null

  // pass new state to be rendered
  // (obj, obj?) -> null
  return function frame (state, prev) {
    assert.equal(typeof state, 'object', 'nanoraf: state should be an object')
    assert.equal(typeof prev, 'object', 'nanoraf: prev should be an object')
    assert.equal(inRenderingTransaction, false, 'nanoraf: infinite loop detected')

    // request a redraw for next frame
    if (currentState === null && !redrawScheduled) {
      redrawScheduled = true

      raf(function redraw () {
        redrawScheduled = false
        if (!currentState) return

        inRenderingTransaction = true
        render(currentState, prev)
        inRenderingTransaction = false

        currentState = null
      })
    }

    // update data for redraw
    currentState = state
  }
}

},{"assert":1,"global/window":11}],14:[function(require,module,exports){
const window = require('global/window')
const assert = require('assert')

module.exports = hash

// listen to window hashchange events
// and update router accordingly
// fn(cb) -> null
function hash (cb) {
  assert.equal(typeof cb, 'function', 'cb must be a function')
  window.onhashchange = function (e) {
    cb(window.location.hash)
  }
}

},{"assert":1,"global/window":11}],15:[function(require,module,exports){
const document = require('global/document')
const window = require('global/window')
const assert = require('assert')

module.exports = history

// listen to html5 pushstate events
// and update router accordingly
// fn(str) -> null
function history (cb) {
  assert.equal(typeof cb, 'function', 'cb must be a function')
  window.onpopstate = function () {
    cb(document.location.href)
  }
}

},{"assert":1,"global/document":10,"global/window":11}],16:[function(require,module,exports){
const window = require('global/window')
const assert = require('assert')

module.exports = href

// handle a click if is anchor tag with an href
// and url lives on the same domain. Replaces
// trailing '#' so empty links work as expected.
// fn(str) -> null
function href (cb) {
  assert.equal(typeof cb, 'function', 'cb must be a function')

  window.onclick = function (e) {
    const node = (function traverse (node) {
      if (!node) return
      if (node.localName !== 'a') return traverse(node.parentNode)
      if (node.href === undefined) return traverse(node.parentNode)
      if (window.location.host !== node.host) return traverse(node.parentNode)
      return node
    })(e.target)

    if (!node) return

    e.preventDefault()
    const href = node.href.replace(/#$/, '')
    cb(href)
    window.history.pushState({}, null, href)
  }
}

},{"assert":1,"global/window":11}],17:[function(require,module,exports){
const pathname = require('pathname-match')
const wayfarer = require('wayfarer')
const assert = require('assert')

module.exports = sheetRouter

// Fast, modular client router
// fn(str, any[..], fn?) -> fn(str, any[..])
function sheetRouter (dft, createTree, createRoute) {
  createRoute = (createRoute ? createRoute(_createRoute) : _createRoute)

  if (!createTree) {
    createTree = dft
    dft = ''
  }

  assert.equal(typeof dft, 'string', 'sheet-router: dft must be a string')
  assert.equal(typeof createTree, 'function', 'sheet-router: createTree must be a function')
  assert.equal(typeof createRoute, 'function', 'sheet-router: createRoute must be a function')

  const router = wayfarer(dft)
  const tree = createTree(createRoute)

  // register tree in router
  ;(function walk (tree, route) {
    if (Array.isArray(tree[0])) {
      // walk over all routes at the root of the tree
      tree.forEach(function (node) {
        walk(node, route)
      })
    } else if (tree[1]) {
      // handle inline functions as args
      const innerRoute = tree[0]
        ? route.concat(tree[0]).join('/')
        : route.length ? route.join('/') : tree[0]
      router.on(innerRoute, tree[1])
      walk(tree[2], route.concat(tree[0]))
    } else if (Array.isArray(tree[2])) {
      // traverse and append route
      walk(tree[2], route.concat(tree[0]))
    } else {
      // register path in router
      const nwRoute = tree[0]
        ? route.concat(tree[0]).join('/')
        : route.length ? route.join('/') : tree[0]
      router.on(nwRoute, tree[2])
    }
  })(tree, [])

  // match a route on the router
  return function match (route) {
    assert.equal(typeof route, 'string', 'route must be a string')
    const args = [].slice.call(arguments)
    args[0] = pathname(args[0])
    return router.apply(null, args)
  }
}

// register regular route
function _createRoute (route, inline, child) {
  if (!child) {
    child = inline
    inline = null
  }
  assert.equal(typeof route, 'string', 'route must be a string')
  assert.ok(child, 'child exists')
  route = route.replace(/^\//, '')
  return [ route, inline, child ]
}

},{"assert":1,"pathname-match":18,"wayfarer":19}],18:[function(require,module,exports){
const assert = require('assert')

module.exports = match

// get url path section from a url
// strip querystrings / hashes
// strip protocol
// strip hostname and port (both ip and route)
// str -> str
function match (route) {
  assert.equal(typeof route, 'string')

  return route.trim()
    .replace(/[\?|#].*$/, '')
    .replace(/^(?:https?\:)\/\//, '')
    .replace(/^.*?(\/.*)/, '$1')
    .replace(/\/$/, '')
}

},{"assert":1}],19:[function(require,module,exports){
const assert = require('assert')
const trie = require('./trie')

module.exports = Wayfarer

// create a router
// str -> obj
function Wayfarer (dft) {
  if (!(this instanceof Wayfarer)) return new Wayfarer(dft)

  const _default = (dft || '').replace(/^\//, '')
  const _trie = trie()

  emit._trie = _trie
  emit.emit = emit
  emit.on = on
  emit._wayfarer = true

  return emit

  // define a route
  // (str, fn) -> obj
  function on (route, cb) {
    assert.equal(typeof route, 'string')
    assert.equal(typeof cb, 'function')

    route = route || '/'

    if (cb && cb._wayfarer && cb._trie) {
      _trie.mount(route, cb._trie.trie)
    } else {
      const node = _trie.create(route)
      node.cb = cb
    }

    return emit
  }

  // match and call a route
  // (str, obj?) -> null
  function emit (route) {
    assert.notEqual(route, undefined, "'route' must be defined")
    const args = new Array(arguments.length)
    for (var i = 1; i < args.length; i++) {
      args[i] = arguments[i]
    }

    const node = _trie.match(route)
    if (node && node.cb) {
      args[0] = node.params
      return node.cb.apply(null, args)
    }

    const dft = _trie.match(_default)
    if (dft && dft.cb) {
      args[0] = dft.params
      return dft.cb.apply(null, args)
    }

    throw new Error("route '" + route + "' did not match")
  }
}

},{"./trie":20,"assert":1}],20:[function(require,module,exports){
const mutate = require('xtend/mutable')
const assert = require('assert')
const xtend = require('xtend')

module.exports = Trie

// create a new trie
// null -> obj
function Trie () {
  if (!(this instanceof Trie)) return new Trie()
  this.trie = { nodes: {} }
}

// create a node on the trie at route
// and return a node
// str -> null
Trie.prototype.create = function (route) {
  assert.equal(typeof route, 'string', 'route should be a string')
  // strip leading '/' and split routes
  const routes = route.replace(/^\//, '').split('/')
  return (function createNode (index, trie, routes) {
    const route = routes[index]

    if (route === undefined) return trie

    var node = null
    if (/^:/.test(route)) {
      // if node is a name match, set name and append to ':' node
      if (!trie.nodes['$$']) {
        node = { nodes: {} }
        trie.nodes['$$'] = node
      } else {
        node = trie.nodes['$$']
      }
      trie.name = route.replace(/^:/, '')
    } else if (!trie.nodes[route]) {
      node = { nodes: {} }
      trie.nodes[route] = node
    } else {
      node = trie.nodes[route]
    }

    // we must recurse deeper
    return createNode(index + 1, node, routes)
  })(0, this.trie, routes)
}

// match a route on the trie
// and return the node
// str -> obj
Trie.prototype.match = function (route) {
  assert.equal(typeof route, 'string', 'route should be a string')

  const routes = route.replace(/^\//, '').split('/')
  const params = {}

  var node = (function search (index, trie) {
    // either there's no match, or we're done searching
    if (trie === undefined) return undefined
    const route = routes[index]
    if (route === undefined) return trie

    if (trie.nodes[route]) {
      // match regular routes first
      return search(index + 1, trie.nodes[route])
    } else if (trie.name) {
      // match named routes
      params[trie.name] = route
      return search(index + 1, trie.nodes['$$'])
    } else {
      // no matches found
      return search(index + 1)
    }
  })(0, this.trie)

  if (!node) return undefined
  node = xtend(node)
  node.params = params
  return node
}

// mount a trie onto a node at route
// (str, obj) -> null
Trie.prototype.mount = function (route, trie) {
  assert.equal(typeof route, 'string', 'route should be a string')
  assert.equal(typeof trie, 'object', 'trie should be a object')

  const split = route.replace(/^\//, '').split('/')
  var node = null
  var key = null

  if (split.length === 1) {
    key = split[0]
    node = this.create(key)
  } else {
    const headArr = split.splice(0, split.length - 1)
    const head = headArr.join('/')
    key = split[0]
    node = this.create(head)
  }

  mutate(node.nodes, trie.nodes)
  if (trie.name) node.name = trie.name

  // delegate properties from '/' to the new node
  // '/' cannot be reached once mounted
  if (node.nodes['']) {
    Object.keys(node.nodes['']).forEach(function (key) {
      if (key === 'nodes') return
      node[key] = node.nodes[''][key]
    })
    mutate(node.nodes, node.nodes[''].nodes)
    delete node.nodes[''].nodes
  }
}

},{"assert":1,"xtend":21,"xtend/mutable":22}],21:[function(require,module,exports){
module.exports = extend

var hasOwnProperty = Object.prototype.hasOwnProperty;

function extend() {
    var target = {}

    for (var i = 0; i < arguments.length; i++) {
        var source = arguments[i]

        for (var key in source) {
            if (hasOwnProperty.call(source, key)) {
                target[key] = source[key]
            }
        }
    }

    return target
}

},{}],22:[function(require,module,exports){
module.exports = extend

var hasOwnProperty = Object.prototype.hasOwnProperty;

function extend(target) {
    for (var i = 1; i < arguments.length; i++) {
        var source = arguments[i]

        for (var key in source) {
            if (hasOwnProperty.call(source, key)) {
                target[key] = source[key]
            }
        }
    }

    return target
}

},{}],23:[function(require,module,exports){
var bel = require('bel') // turns template tag into DOM elements
var morphdom = require('morphdom') // efficiently diffs + morphs two DOM elements
var defaultEvents = require('./update-events.js') // default events to be copied when dom elements update

module.exports = bel

// TODO move this + defaultEvents to a new module once we receive more feedback
module.exports.update = function (fromNode, toNode, opts) {
  if (!opts) opts = {}
  if (opts.events !== false) {
    if (!opts.onBeforeElUpdated) opts.onBeforeElUpdated = copier
  }

  return morphdom(fromNode, toNode, opts)

  // morphdom only copies attributes. we decided we also wanted to copy events
  // that can be set via attributes
  function copier (f, t) {
    // copy events:
    var events = opts.events || defaultEvents
    for (var i = 0; i < events.length; i++) {
      var ev = events[i]
      if (t[ev]) { // if new element has a whitelisted attribute
        f[ev] = t[ev] // update existing element
      } else if (f[ev]) { // if existing element has it and new one doesnt
        f[ev] = undefined // remove it from existing element
      }
    }
    // copy values for form elements
    if ((f.nodeName === 'INPUT' && f.type !== 'file') || f.nodeName === 'TEXTAREA' || f.nodeName === 'SELECT') {
      if (t.getAttribute('value') === null) t.value = f.value
    }
  }
}

},{"./update-events.js":29,"bel":24,"morphdom":28}],24:[function(require,module,exports){
var document = require('global/document')
var hyperx = require('hyperx')
var onload = require('on-load')

var SVGNS = 'http://www.w3.org/2000/svg'
var XLINKNS = 'http://www.w3.org/1999/xlink'

var BOOL_PROPS = {
  autofocus: 1,
  checked: 1,
  defaultchecked: 1,
  disabled: 1,
  formnovalidate: 1,
  indeterminate: 1,
  readonly: 1,
  required: 1,
  selected: 1,
  willvalidate: 1
}
var SVG_TAGS = [
  'svg',
  'altGlyph', 'altGlyphDef', 'altGlyphItem', 'animate', 'animateColor',
  'animateMotion', 'animateTransform', 'circle', 'clipPath', 'color-profile',
  'cursor', 'defs', 'desc', 'ellipse', 'feBlend', 'feColorMatrix',
  'feComponentTransfer', 'feComposite', 'feConvolveMatrix', 'feDiffuseLighting',
  'feDisplacementMap', 'feDistantLight', 'feFlood', 'feFuncA', 'feFuncB',
  'feFuncG', 'feFuncR', 'feGaussianBlur', 'feImage', 'feMerge', 'feMergeNode',
  'feMorphology', 'feOffset', 'fePointLight', 'feSpecularLighting',
  'feSpotLight', 'feTile', 'feTurbulence', 'filter', 'font', 'font-face',
  'font-face-format', 'font-face-name', 'font-face-src', 'font-face-uri',
  'foreignObject', 'g', 'glyph', 'glyphRef', 'hkern', 'image', 'line',
  'linearGradient', 'marker', 'mask', 'metadata', 'missing-glyph', 'mpath',
  'path', 'pattern', 'polygon', 'polyline', 'radialGradient', 'rect',
  'set', 'stop', 'switch', 'symbol', 'text', 'textPath', 'title', 'tref',
  'tspan', 'use', 'view', 'vkern'
]

function belCreateElement (tag, props, children) {
  var el

  // If an svg tag, it needs a namespace
  if (SVG_TAGS.indexOf(tag) !== -1) {
    props.namespace = SVGNS
  }

  // If we are using a namespace
  var ns = false
  if (props.namespace) {
    ns = props.namespace
    delete props.namespace
  }

  // Create the element
  if (ns) {
    el = document.createElementNS(ns, tag)
  } else {
    el = document.createElement(tag)
  }

  // If adding onload events
  if (props.onload || props.onunload) {
    var load = props.onload || function () {}
    var unload = props.onunload || function () {}
    onload(el, function belOnload () {
      load(el)
    }, function belOnunload () {
      unload(el)
    },
    // We have to use non-standard `caller` to find who invokes `belCreateElement`
    belCreateElement.caller.caller.caller)
    delete props.onload
    delete props.onunload
  }

  // Create the properties
  for (var p in props) {
    if (props.hasOwnProperty(p)) {
      var key = p.toLowerCase()
      var val = props[p]
      // Normalize className
      if (key === 'classname') {
        key = 'class'
        p = 'class'
      }
      // The for attribute gets transformed to htmlFor, but we just set as for
      if (p === 'htmlFor') {
        p = 'for'
      }
      // If a property is boolean, set itself to the key
      if (BOOL_PROPS[key]) {
        if (val === 'true') val = key
        else if (val === 'false') continue
      }
      // If a property prefers being set directly vs setAttribute
      if (key.slice(0, 2) === 'on') {
        el[p] = val
      } else {
        if (ns) {
          if (p === 'xlink:href') {
            el.setAttributeNS(XLINKNS, p, val)
          } else {
            el.setAttributeNS(null, p, val)
          }
        } else {
          el.setAttribute(p, val)
        }
      }
    }
  }

  function appendChild (childs) {
    if (!Array.isArray(childs)) return
    for (var i = 0; i < childs.length; i++) {
      var node = childs[i]
      if (Array.isArray(node)) {
        appendChild(node)
        continue
      }

      if (typeof node === 'number' ||
        typeof node === 'boolean' ||
        node instanceof Date ||
        node instanceof RegExp) {
        node = node.toString()
      }

      if (typeof node === 'string') {
        if (el.lastChild && el.lastChild.nodeName === '#text') {
          el.lastChild.nodeValue += node
          continue
        }
        node = document.createTextNode(node)
      }

      if (node && node.nodeType) {
        el.appendChild(node)
      }
    }
  }
  appendChild(children)

  return el
}

module.exports = hyperx(belCreateElement)
module.exports.createElement = belCreateElement

},{"global/document":10,"hyperx":25,"on-load":27}],25:[function(require,module,exports){
var attrToProp = require('hyperscript-attribute-to-property')

var VAR = 0, TEXT = 1, OPEN = 2, CLOSE = 3, ATTR = 4
var ATTR_KEY = 5, ATTR_KEY_W = 6
var ATTR_VALUE_W = 7, ATTR_VALUE = 8
var ATTR_VALUE_SQ = 9, ATTR_VALUE_DQ = 10
var ATTR_EQ = 11, ATTR_BREAK = 12

module.exports = function (h, opts) {
  h = attrToProp(h)
  if (!opts) opts = {}
  var concat = opts.concat || function (a, b) {
    return String(a) + String(b)
  }

  return function (strings) {
    var state = TEXT, reg = ''
    var arglen = arguments.length
    var parts = []

    for (var i = 0; i < strings.length; i++) {
      if (i < arglen - 1) {
        var arg = arguments[i+1]
        var p = parse(strings[i])
        var xstate = state
        if (xstate === ATTR_VALUE_DQ) xstate = ATTR_VALUE
        if (xstate === ATTR_VALUE_SQ) xstate = ATTR_VALUE
        if (xstate === ATTR_VALUE_W) xstate = ATTR_VALUE
        if (xstate === ATTR) xstate = ATTR_KEY
        p.push([ VAR, xstate, arg ])
        parts.push.apply(parts, p)
      } else parts.push.apply(parts, parse(strings[i]))
    }

    var tree = [null,{},[]]
    var stack = [[tree,-1]]
    for (var i = 0; i < parts.length; i++) {
      var cur = stack[stack.length-1][0]
      var p = parts[i], s = p[0]
      if (s === OPEN && /^\//.test(p[1])) {
        var ix = stack[stack.length-1][1]
        if (stack.length > 1) {
          stack.pop()
          stack[stack.length-1][0][2][ix] = h(
            cur[0], cur[1], cur[2].length ? cur[2] : undefined
          )
        }
      } else if (s === OPEN) {
        var c = [p[1],{},[]]
        cur[2].push(c)
        stack.push([c,cur[2].length-1])
      } else if (s === ATTR_KEY || (s === VAR && p[1] === ATTR_KEY)) {
        var key = ''
        var copyKey
        for (; i < parts.length; i++) {
          if (parts[i][0] === ATTR_KEY) {
            key = concat(key, parts[i][1])
          } else if (parts[i][0] === VAR && parts[i][1] === ATTR_KEY) {
            if (typeof parts[i][2] === 'object' && !key) {
              for (copyKey in parts[i][2]) {
                if (parts[i][2].hasOwnProperty(copyKey) && !cur[1][copyKey]) {
                  cur[1][copyKey] = parts[i][2][copyKey]
                }
              }
            } else {
              key = concat(key, parts[i][2])
            }
          } else break
        }
        if (parts[i][0] === ATTR_EQ) i++
        var j = i
        for (; i < parts.length; i++) {
          if (parts[i][0] === ATTR_VALUE || parts[i][0] === ATTR_KEY) {
            if (!cur[1][key]) cur[1][key] = strfn(parts[i][1])
            else cur[1][key] = concat(cur[1][key], parts[i][1])
          } else if (parts[i][0] === VAR
          && (parts[i][1] === ATTR_VALUE || parts[i][1] === ATTR_KEY)) {
            if (!cur[1][key]) cur[1][key] = strfn(parts[i][2])
            else cur[1][key] = concat(cur[1][key], parts[i][2])
          } else {
            if (key.length && !cur[1][key] && i === j
            && (parts[i][0] === CLOSE || parts[i][0] === ATTR_BREAK)) {
              // https://html.spec.whatwg.org/multipage/infrastructure.html#boolean-attributes
              // empty string is falsy, not well behaved value in browser
              cur[1][key] = key.toLowerCase()
            }
            break
          }
        }
      } else if (s === ATTR_KEY) {
        cur[1][p[1]] = true
      } else if (s === VAR && p[1] === ATTR_KEY) {
        cur[1][p[2]] = true
      } else if (s === CLOSE) {
        if (selfClosing(cur[0]) && stack.length) {
          var ix = stack[stack.length-1][1]
          stack.pop()
          stack[stack.length-1][0][2][ix] = h(
            cur[0], cur[1], cur[2].length ? cur[2] : undefined
          )
        }
      } else if (s === VAR && p[1] === TEXT) {
        if (p[2] === undefined || p[2] === null) p[2] = ''
        else if (!p[2]) p[2] = concat('', p[2])
        if (Array.isArray(p[2][0])) {
          cur[2].push.apply(cur[2], p[2])
        } else {
          cur[2].push(p[2])
        }
      } else if (s === TEXT) {
        cur[2].push(p[1])
      } else if (s === ATTR_EQ || s === ATTR_BREAK) {
        // no-op
      } else {
        throw new Error('unhandled: ' + s)
      }
    }

    if (tree[2].length > 1 && /^\s*$/.test(tree[2][0])) {
      tree[2].shift()
    }

    if (tree[2].length > 2
    || (tree[2].length === 2 && /\S/.test(tree[2][1]))) {
      throw new Error(
        'multiple root elements must be wrapped in an enclosing tag'
      )
    }
    if (Array.isArray(tree[2][0]) && typeof tree[2][0][0] === 'string'
    && Array.isArray(tree[2][0][2])) {
      tree[2][0] = h(tree[2][0][0], tree[2][0][1], tree[2][0][2])
    }
    return tree[2][0]

    function parse (str) {
      var res = []
      if (state === ATTR_VALUE_W) state = ATTR
      for (var i = 0; i < str.length; i++) {
        var c = str.charAt(i)
        if (state === TEXT && c === '<') {
          if (reg.length) res.push([TEXT, reg])
          reg = ''
          state = OPEN
        } else if (c === '>' && !quot(state)) {
          if (state === OPEN) {
            res.push([OPEN,reg])
          } else if (state === ATTR_KEY) {
            res.push([ATTR_KEY,reg])
          } else if (state === ATTR_VALUE && reg.length) {
            res.push([ATTR_VALUE,reg])
          }
          res.push([CLOSE])
          reg = ''
          state = TEXT
        } else if (state === TEXT) {
          reg += c
        } else if (state === OPEN && /\s/.test(c)) {
          res.push([OPEN, reg])
          reg = ''
          state = ATTR
        } else if (state === OPEN) {
          reg += c
        } else if (state === ATTR && /[\w-]/.test(c)) {
          state = ATTR_KEY
          reg = c
        } else if (state === ATTR && /\s/.test(c)) {
          if (reg.length) res.push([ATTR_KEY,reg])
          res.push([ATTR_BREAK])
        } else if (state === ATTR_KEY && /\s/.test(c)) {
          res.push([ATTR_KEY,reg])
          reg = ''
          state = ATTR_KEY_W
        } else if (state === ATTR_KEY && c === '=') {
          res.push([ATTR_KEY,reg],[ATTR_EQ])
          reg = ''
          state = ATTR_VALUE_W
        } else if (state === ATTR_KEY) {
          reg += c
        } else if ((state === ATTR_KEY_W || state === ATTR) && c === '=') {
          res.push([ATTR_EQ])
          state = ATTR_VALUE_W
        } else if ((state === ATTR_KEY_W || state === ATTR) && !/\s/.test(c)) {
          res.push([ATTR_BREAK])
          if (/[\w-]/.test(c)) {
            reg += c
            state = ATTR_KEY
          } else state = ATTR
        } else if (state === ATTR_VALUE_W && c === '"') {
          state = ATTR_VALUE_DQ
        } else if (state === ATTR_VALUE_W && c === "'") {
          state = ATTR_VALUE_SQ
        } else if (state === ATTR_VALUE_DQ && c === '"') {
          res.push([ATTR_VALUE,reg],[ATTR_BREAK])
          reg = ''
          state = ATTR
        } else if (state === ATTR_VALUE_SQ && c === "'") {
          res.push([ATTR_VALUE,reg],[ATTR_BREAK])
          reg = ''
          state = ATTR
        } else if (state === ATTR_VALUE_W && !/\s/.test(c)) {
          state = ATTR_VALUE
          i--
        } else if (state === ATTR_VALUE && /\s/.test(c)) {
          res.push([ATTR_VALUE,reg],[ATTR_BREAK])
          reg = ''
          state = ATTR
        } else if (state === ATTR_VALUE || state === ATTR_VALUE_SQ
        || state === ATTR_VALUE_DQ) {
          reg += c
        }
      }
      if (state === TEXT && reg.length) {
        res.push([TEXT,reg])
        reg = ''
      } else if (state === ATTR_VALUE && reg.length) {
        res.push([ATTR_VALUE,reg])
        reg = ''
      } else if (state === ATTR_VALUE_DQ && reg.length) {
        res.push([ATTR_VALUE,reg])
        reg = ''
      } else if (state === ATTR_VALUE_SQ && reg.length) {
        res.push([ATTR_VALUE,reg])
        reg = ''
      } else if (state === ATTR_KEY) {
        res.push([ATTR_KEY,reg])
        reg = ''
      }
      return res
    }
  }

  function strfn (x) {
    if (typeof x === 'function') return x
    else if (typeof x === 'string') return x
    else if (x && typeof x === 'object') return x
    else return concat('', x)
  }
}

function quot (state) {
  return state === ATTR_VALUE_SQ || state === ATTR_VALUE_DQ
}

var hasOwn = Object.prototype.hasOwnProperty
function has (obj, key) { return hasOwn.call(obj, key) }

var closeRE = RegExp('^(' + [
  'area', 'base', 'basefont', 'bgsound', 'br', 'col', 'command', 'embed',
  'frame', 'hr', 'img', 'input', 'isindex', 'keygen', 'link', 'meta', 'param',
  'source', 'track', 'wbr',
  // SVG TAGS
  'animate', 'animateTransform', 'circle', 'cursor', 'desc', 'ellipse',
  'feBlend', 'feColorMatrix', 'feComposite',
  'feConvolveMatrix', 'feDiffuseLighting', 'feDisplacementMap',
  'feDistantLight', 'feFlood', 'feFuncA', 'feFuncB', 'feFuncG', 'feFuncR',
  'feGaussianBlur', 'feImage', 'feMergeNode', 'feMorphology',
  'feOffset', 'fePointLight', 'feSpecularLighting', 'feSpotLight', 'feTile',
  'feTurbulence', 'font-face-format', 'font-face-name', 'font-face-uri',
  'glyph', 'glyphRef', 'hkern', 'image', 'line', 'missing-glyph', 'mpath',
  'path', 'polygon', 'polyline', 'rect', 'set', 'stop', 'tref', 'use', 'view',
  'vkern'
].join('|') + ')(?:[\.#][a-zA-Z0-9\u007F-\uFFFF_:-]+)*$')
function selfClosing (tag) { return closeRE.test(tag) }

},{"hyperscript-attribute-to-property":26}],26:[function(require,module,exports){
module.exports = attributeToProperty

var transform = {
  'class': 'className',
  'for': 'htmlFor',
  'http-equiv': 'httpEquiv'
}

function attributeToProperty (h) {
  return function (tagName, attrs, children) {
    for (var attr in attrs) {
      if (attr in transform) {
        attrs[transform[attr]] = attrs[attr]
        delete attrs[attr]
      }
    }
    return h(tagName, attrs, children)
  }
}

},{}],27:[function(require,module,exports){
/* global MutationObserver */
var document = require('global/document')
var window = require('global/window')
var watch = Object.create(null)
var KEY_ID = 'onloadid' + (new Date() % 9e6).toString(36)
var KEY_ATTR = 'data-' + KEY_ID
var INDEX = 0

if (window && window.MutationObserver) {
  var observer = new MutationObserver(function (mutations) {
    if (Object.keys(watch).length < 1) return
    for (var i = 0; i < mutations.length; i++) {
      if (mutations[i].attributeName === KEY_ATTR) {
        eachAttr(mutations[i], turnon, turnoff)
        continue
      }
      eachMutation(mutations[i].removedNodes, turnoff)
      eachMutation(mutations[i].addedNodes, turnon)
    }
  })
  observer.observe(document.body, {
    childList: true,
    subtree: true,
    attributes: true,
    attributeOldValue: true,
    attributeFilter: [KEY_ATTR]
  })
}

module.exports = function onload (el, on, off, caller) {
  on = on || function () {}
  off = off || function () {}
  el.setAttribute(KEY_ATTR, 'o' + INDEX)
  watch['o' + INDEX] = [on, off, 0, caller || onload.caller]
  INDEX += 1
  return el
}

function turnon (index, el) {
  if (watch[index][0] && watch[index][2] === 0) {
    watch[index][0](el)
    watch[index][2] = 1
  }
}

function turnoff (index, el) {
  if (watch[index][1] && watch[index][2] === 1) {
    watch[index][1](el)
    watch[index][2] = 0
  }
}

function eachAttr (mutation, on, off) {
  var newValue = mutation.target.getAttribute(KEY_ATTR)
  if (sameOrigin(mutation.oldValue, newValue)) {
    watch[newValue] = watch[mutation.oldValue]
    return
  }
  if (watch[mutation.oldValue]) {
    off(mutation.oldValue, mutation.target)
  }
  if (watch[newValue]) {
    on(newValue, mutation.target)
  }
}

function sameOrigin (oldValue, newValue) {
  if (!oldValue || !newValue) return false
  return watch[oldValue][3] === watch[newValue][3]
}

function eachMutation (nodes, fn) {
  var keys = Object.keys(watch)
  for (var i = 0; i < nodes.length; i++) {
    if (nodes[i] && nodes[i].getAttribute && nodes[i].getAttribute(KEY_ATTR)) {
      var onloadid = nodes[i].getAttribute(KEY_ATTR)
      keys.forEach(function (k) {
        if (onloadid === k) {
          fn(k, nodes[i])
        }
      })
    }
    if (nodes[i].childNodes.length > 0) {
      eachMutation(nodes[i].childNodes, fn)
    }
  }
}

},{"global/document":10,"global/window":11}],28:[function(require,module,exports){
'use strict';
// Create a range object for efficently rendering strings to elements.
var range;

var doc = typeof document !== 'undefined' && document;

var testEl = doc ?
    doc.body || doc.createElement('div') :
    {};

var NS_XHTML = 'http://www.w3.org/1999/xhtml';

var ELEMENT_NODE = 1;
var TEXT_NODE = 3;
var COMMENT_NODE = 8;

// Fixes <https://github.com/patrick-steele-idem/morphdom/issues/32>
// (IE7+ support) <=IE7 does not support el.hasAttribute(name)
var hasAttributeNS;

if (testEl.hasAttributeNS) {
    hasAttributeNS = function(el, namespaceURI, name) {
        return el.hasAttributeNS(namespaceURI, name);
    };
} else if (testEl.hasAttribute) {
    hasAttributeNS = function(el, namespaceURI, name) {
        return el.hasAttribute(name);
    };
} else {
    hasAttributeNS = function(el, namespaceURI, name) {
        return !!el.getAttributeNode(name);
    };
}

function toElement(str) {
    if (!range && doc.createRange) {
        range = doc.createRange();
        range.selectNode(doc.body);
    }

    var fragment;
    if (range && range.createContextualFragment) {
        fragment = range.createContextualFragment(str);
    } else {
        fragment = doc.createElement('body');
        fragment.innerHTML = str;
    }
    return fragment.childNodes[0];
}

function syncBooleanAttrProp(fromEl, toEl, name) {
    if (fromEl[name] !== toEl[name]) {
        fromEl[name] = toEl[name];
        if (fromEl[name]) {
            fromEl.setAttribute(name, '');
        } else {
            fromEl.removeAttribute(name, '');
        }
    }
}

var specialElHandlers = {
    /**
     * Needed for IE. Apparently IE doesn't think that "selected" is an
     * attribute when reading over the attributes using selectEl.attributes
     */
    OPTION: function(fromEl, toEl) {
        syncBooleanAttrProp(fromEl, toEl, 'selected');
    },
    /**
     * The "value" attribute is special for the <input> element since it sets
     * the initial value. Changing the "value" attribute without changing the
     * "value" property will have no effect since it is only used to the set the
     * initial value.  Similar for the "checked" attribute, and "disabled".
     */
    INPUT: function(fromEl, toEl) {
        syncBooleanAttrProp(fromEl, toEl, 'checked');
        syncBooleanAttrProp(fromEl, toEl, 'disabled');

        if (fromEl.value !== toEl.value) {
            fromEl.value = toEl.value;
        }

        if (!hasAttributeNS(toEl, null, 'value')) {
            fromEl.removeAttribute('value');
        }
    },

    TEXTAREA: function(fromEl, toEl) {
        var newValue = toEl.value;
        if (fromEl.value !== newValue) {
            fromEl.value = newValue;
        }

        if (fromEl.firstChild) {
            fromEl.firstChild.nodeValue = newValue;
        }
    }
};

function noop() {}

/**
 * Returns true if two node's names are the same.
 *
 * NOTE: We don't bother checking `namespaceURI` because you will never find two HTML elements with the same
 *       nodeName and different namespace URIs.
 *
 * @param {Element} a
 * @param {Element} b The target element
 * @return {boolean}
 */
function compareNodeNames(fromEl, toEl) {
    var fromNodeName = fromEl.nodeName;
    var toNodeName = toEl.nodeName;

    if (fromNodeName === toNodeName) {
        return true;
    }

    if (toEl.actualize &&
        fromNodeName.charCodeAt(0) < 91 && /* from tag name is upper case */
        toNodeName.charCodeAt(0) > 90 /* target tag name is lower case */) {
        // If the target element is a virtual DOM node then we may need to normalize the tag name
        // before comparing. Normal HTML elements that are in the "http://www.w3.org/1999/xhtml"
        // are converted to upper case
        return fromNodeName === toNodeName.toUpperCase();
    } else {
        return false;
    }
}

/**
 * Create an element, optionally with a known namespace URI.
 *
 * @param {string} name the element name, e.g. 'div' or 'svg'
 * @param {string} [namespaceURI] the element's namespace URI, i.e. the value of
 * its `xmlns` attribute or its inferred namespace.
 *
 * @return {Element}
 */
function createElementNS(name, namespaceURI) {
    return !namespaceURI || namespaceURI === NS_XHTML ?
        doc.createElement(name) :
        doc.createElementNS(namespaceURI, name);
}

/**
 * Loop over all of the attributes on the target node and make sure the original
 * DOM node has the same attributes. If an attribute found on the original node
 * is not on the new node then remove it from the original node.
 *
 * @param  {Element} fromNode
 * @param  {Element} toNode
 */
function morphAttrs(fromNode, toNode) {
    var attrs = toNode.attributes;
    var i;
    var attr;
    var attrName;
    var attrNamespaceURI;
    var attrValue;
    var fromValue;

    if (toNode.assignAttributes) {
        toNode.assignAttributes(fromNode);
    } else {
        for (i = attrs.length - 1; i >= 0; --i) {
            attr = attrs[i];
            attrName = attr.name;
            attrNamespaceURI = attr.namespaceURI;
            attrValue = attr.value;

            if (attrNamespaceURI) {
                attrName = attr.localName || attrName;
                fromValue = fromNode.getAttributeNS(attrNamespaceURI, attrName);

                if (fromValue !== attrValue) {
                    fromNode.setAttributeNS(attrNamespaceURI, attrName, attrValue);
                }
            } else {
                fromValue = fromNode.getAttribute(attrName);

                if (fromValue !== attrValue) {
                    fromNode.setAttribute(attrName, attrValue);
                }
            }
        }
    }

    // Remove any extra attributes found on the original DOM element that
    // weren't found on the target element.
    attrs = fromNode.attributes;

    for (i = attrs.length - 1; i >= 0; --i) {
        attr = attrs[i];
        if (attr.specified !== false) {
            attrName = attr.name;
            attrNamespaceURI = attr.namespaceURI;

            if (attrNamespaceURI) {
                attrName = attr.localName || attrName;

                if (!hasAttributeNS(toNode, attrNamespaceURI, attrName)) {
                    fromNode.removeAttributeNS(attrNamespaceURI, attrName);
                }
            } else {
                if (!hasAttributeNS(toNode, null, attrName)) {
                    fromNode.removeAttribute(attrName);
                }
            }
        }
    }
}

/**
 * Copies the children of one DOM element to another DOM element
 */
function moveChildren(fromEl, toEl) {
    var curChild = fromEl.firstChild;
    while (curChild) {
        var nextChild = curChild.nextSibling;
        toEl.appendChild(curChild);
        curChild = nextChild;
    }
    return toEl;
}

function defaultGetNodeKey(node) {
    return node.id;
}

function morphdom(fromNode, toNode, options) {
    if (!options) {
        options = {};
    }

    if (typeof toNode === 'string') {
        if (fromNode.nodeName === '#document' || fromNode.nodeName === 'HTML') {
            var toNodeHtml = toNode;
            toNode = doc.createElement('html');
            toNode.innerHTML = toNodeHtml;
        } else {
            toNode = toElement(toNode);
        }
    }

    var getNodeKey = options.getNodeKey || defaultGetNodeKey;
    var onBeforeNodeAdded = options.onBeforeNodeAdded || noop;
    var onNodeAdded = options.onNodeAdded || noop;
    var onBeforeElUpdated = options.onBeforeElUpdated || noop;
    var onElUpdated = options.onElUpdated || noop;
    var onBeforeNodeDiscarded = options.onBeforeNodeDiscarded || noop;
    var onNodeDiscarded = options.onNodeDiscarded || noop;
    var onBeforeElChildrenUpdated = options.onBeforeElChildrenUpdated || noop;
    var childrenOnly = options.childrenOnly === true;

    // This object is used as a lookup to quickly find all keyed elements in the original DOM tree.
    var fromNodesLookup = {};
    var keyedRemovalList;

    function addKeyedRemoval(key) {
        if (keyedRemovalList) {
            keyedRemovalList.push(key);
        } else {
            keyedRemovalList = [key];
        }
    }

    function walkDiscardedChildNodes(node, skipKeyedNodes) {
        if (node.nodeType === ELEMENT_NODE) {
            var curChild = node.firstChild;
            while (curChild) {

                var key = undefined;

                if (skipKeyedNodes && (key = getNodeKey(curChild))) {
                    // If we are skipping keyed nodes then we add the key
                    // to a list so that it can be handled at the very end.
                    addKeyedRemoval(key);
                } else {
                    // Only report the node as discarded if it is not keyed. We do this because
                    // at the end we loop through all keyed elements that were unmatched
                    // and then discard them in one final pass.
                    onNodeDiscarded(curChild);
                    if (curChild.firstChild) {
                        walkDiscardedChildNodes(curChild, skipKeyedNodes);
                    }
                }

                curChild = curChild.nextSibling;
            }
        }
    }

    /**
     * Removes a DOM node out of the original DOM
     *
     * @param  {Node} node The node to remove
     * @param  {Node} parentNode The nodes parent
     * @param  {Boolean} skipKeyedNodes If true then elements with keys will be skipped and not discarded.
     * @return {undefined}
     */
    function removeNode(node, parentNode, skipKeyedNodes) {
        if (onBeforeNodeDiscarded(node) === false) {
            return;
        }

        if (parentNode) {
            parentNode.removeChild(node);
        }

        onNodeDiscarded(node);
        walkDiscardedChildNodes(node, skipKeyedNodes);
    }

    // // TreeWalker implementation is no faster, but keeping this around in case this changes in the future
    // function indexTree(root) {
    //     var treeWalker = document.createTreeWalker(
    //         root,
    //         NodeFilter.SHOW_ELEMENT);
    //
    //     var el;
    //     while((el = treeWalker.nextNode())) {
    //         var key = getNodeKey(el);
    //         if (key) {
    //             fromNodesLookup[key] = el;
    //         }
    //     }
    // }

    // // NodeIterator implementation is no faster, but keeping this around in case this changes in the future
    //
    // function indexTree(node) {
    //     var nodeIterator = document.createNodeIterator(node, NodeFilter.SHOW_ELEMENT);
    //     var el;
    //     while((el = nodeIterator.nextNode())) {
    //         var key = getNodeKey(el);
    //         if (key) {
    //             fromNodesLookup[key] = el;
    //         }
    //     }
    // }

    function indexTree(node) {
        if (node.nodeType === ELEMENT_NODE) {
            var curChild = node.firstChild;
            while (curChild) {
                var key = getNodeKey(curChild);
                if (key) {
                    fromNodesLookup[key] = curChild;
                }

                // Walk recursively
                indexTree(curChild);

                curChild = curChild.nextSibling;
            }
        }
    }

    indexTree(fromNode);

    function handleNodeAdded(el) {
        onNodeAdded(el);

        var curChild = el.firstChild;
        while (curChild) {
            var nextSibling = curChild.nextSibling;

            var key = getNodeKey(curChild);
            if (key) {
                var unmatchedFromEl = fromNodesLookup[key];
                if (unmatchedFromEl && compareNodeNames(curChild, unmatchedFromEl)) {
                    curChild.parentNode.replaceChild(unmatchedFromEl, curChild);
                    morphEl(unmatchedFromEl, curChild);
                }
            }

            handleNodeAdded(curChild);
            curChild = nextSibling;
        }
    }

    function morphEl(fromEl, toEl, childrenOnly) {
        var toElKey = getNodeKey(toEl);
        var curFromNodeKey;

        if (toElKey) {
            // If an element with an ID is being morphed then it is will be in the final
            // DOM so clear it out of the saved elements collection
            delete fromNodesLookup[toElKey];
        }

        if (toNode.isSameNode && toNode.isSameNode(fromNode)) {
            return;
        }

        if (!childrenOnly) {
            if (onBeforeElUpdated(fromEl, toEl) === false) {
                return;
            }

            morphAttrs(fromEl, toEl);
            onElUpdated(fromEl);

            if (onBeforeElChildrenUpdated(fromEl, toEl) === false) {
                return;
            }
        }

        if (fromEl.nodeName !== 'TEXTAREA') {
            var curToNodeChild = toEl.firstChild;
            var curFromNodeChild = fromEl.firstChild;
            var curToNodeKey;

            var fromNextSibling;
            var toNextSibling;
            var matchingFromEl;

            outer: while (curToNodeChild) {
                toNextSibling = curToNodeChild.nextSibling;
                curToNodeKey = getNodeKey(curToNodeChild);

                while (curFromNodeChild) {
                    fromNextSibling = curFromNodeChild.nextSibling;

                    if (curToNodeChild.isSameNode && curToNodeChild.isSameNode(curFromNodeChild)) {
                        curToNodeChild = toNextSibling;
                        curFromNodeChild = fromNextSibling;
                        continue outer;
                    }

                    curFromNodeKey = getNodeKey(curFromNodeChild);

                    var curFromNodeType = curFromNodeChild.nodeType;

                    var isCompatible = undefined;

                    if (curFromNodeType === curToNodeChild.nodeType) {
                        if (curFromNodeType === ELEMENT_NODE) {
                            // Both nodes being compared are Element nodes

                            if (curToNodeKey) {
                                // The target node has a key so we want to match it up with the correct element
                                // in the original DOM tree
                                if (curToNodeKey !== curFromNodeKey) {
                                    // The current element in the original DOM tree does not have a matching key so
                                    // let's check our lookup to see if there is a matching element in the original
                                    // DOM tree
                                    if ((matchingFromEl = fromNodesLookup[curToNodeKey])) {
                                        if (curFromNodeChild.nextSibling === matchingFromEl) {
                                            // Special case for single element removals. To avoid removing the original
                                            // DOM node out of the tree (since that can break CSS transitions, etc.),
                                            // we will instead discard the current node and wait until the next
                                            // iteration to properly match up the keyed target element with its matching
                                            // element in the original tree
                                            isCompatible = false;
                                        } else {
                                            // We found a matching keyed element somewhere in the original DOM tree.
                                            // Let's moving the original DOM node into the current position and morph
                                            // it.

                                            // NOTE: We use insertBefore instead of replaceChild because we want to go through
                                            // the `removeNode()` function for the node that is being discarded so that
                                            // all lifecycle hooks are correctly invoked
                                            fromEl.insertBefore(matchingFromEl, curFromNodeChild);

                                            if (curFromNodeKey) {
                                                // Since the node is keyed it might be matched up later so we defer
                                                // the actual removal to later
                                                addKeyedRemoval(curFromNodeKey);
                                            } else {
                                                // NOTE: we skip nested keyed nodes from being removed since there is
                                                //       still a chance they will be matched up later
                                                removeNode(curFromNodeChild, fromEl, true /* skip keyed nodes */);

                                            }
                                            fromNextSibling = curFromNodeChild.nextSibling;
                                            curFromNodeChild = matchingFromEl;
                                        }
                                    } else {
                                        // The nodes are not compatible since the "to" node has a key and there
                                        // is no matching keyed node in the source tree
                                        isCompatible = false;
                                    }
                                }
                            } else if (curFromNodeKey) {
                                // The original has a key
                                isCompatible = false;
                            }

                            isCompatible = isCompatible !== false && compareNodeNames(curFromNodeChild, curToNodeChild);
                            if (isCompatible) {
                                // We found compatible DOM elements so transform
                                // the current "from" node to match the current
                                // target DOM node.
                                morphEl(curFromNodeChild, curToNodeChild);
                            }

                        } else if (curFromNodeType === TEXT_NODE || curFromNodeType == COMMENT_NODE) {
                            // Both nodes being compared are Text or Comment nodes
                            isCompatible = true;
                            // Simply update nodeValue on the original node to
                            // change the text value
                            curFromNodeChild.nodeValue = curToNodeChild.nodeValue;
                        }
                    }

                    if (isCompatible) {
                        // Advance both the "to" child and the "from" child since we found a match
                        curToNodeChild = toNextSibling;
                        curFromNodeChild = fromNextSibling;
                        continue outer;
                    }

                    // No compatible match so remove the old node from the DOM and continue trying to find a
                    // match in the original DOM. However, we only do this if the from node is not keyed
                    // since it is possible that a keyed node might match up with a node somewhere else in the
                    // target tree and we don't want to discard it just yet since it still might find a
                    // home in the final DOM tree. After everything is done we will remove any keyed nodes
                    // that didn't find a home
                    if (curFromNodeKey) {
                        // Since the node is keyed it might be matched up later so we defer
                        // the actual removal to later
                        addKeyedRemoval(curFromNodeKey);
                    } else {
                        // NOTE: we skip nested keyed nodes from being removed since there is
                        //       still a chance they will be matched up later
                        removeNode(curFromNodeChild, fromEl, true /* skip keyed nodes */);
                    }

                    curFromNodeChild = fromNextSibling;
                }

                // If we got this far then we did not find a candidate match for
                // our "to node" and we exhausted all of the children "from"
                // nodes. Therefore, we will just append the current "to" node
                // to the end
                if (curToNodeKey && (matchingFromEl = fromNodesLookup[curToNodeKey]) && compareNodeNames(matchingFromEl, curToNodeChild)) {
                    fromEl.appendChild(matchingFromEl);
                    morphEl(matchingFromEl, curToNodeChild);
                } else {
                    var onBeforeNodeAddedResult = onBeforeNodeAdded(curToNodeChild);
                    if (onBeforeNodeAddedResult !== false) {
                        if (onBeforeNodeAddedResult) {
                            curToNodeChild = onBeforeNodeAddedResult;
                        }

                        if (curToNodeChild.actualize) {
                            curToNodeChild = curToNodeChild.actualize(fromEl.ownerDocument || doc);
                        }
                        fromEl.appendChild(curToNodeChild);
                        handleNodeAdded(curToNodeChild);
                    }
                }

                curToNodeChild = toNextSibling;
                curFromNodeChild = fromNextSibling;
            }

            // We have processed all of the "to nodes". If curFromNodeChild is
            // non-null then we still have some from nodes left over that need
            // to be removed
            while (curFromNodeChild) {
                fromNextSibling = curFromNodeChild.nextSibling;
                if ((curFromNodeKey = getNodeKey(curFromNodeChild))) {
                    // Since the node is keyed it might be matched up later so we defer
                    // the actual removal to later
                    addKeyedRemoval(curFromNodeKey);
                } else {
                    // NOTE: we skip nested keyed nodes from being removed since there is
                    //       still a chance they will be matched up later
                    removeNode(curFromNodeChild, fromEl, true /* skip keyed nodes */);
                }
                curFromNodeChild = fromNextSibling;
            }
        }

        var specialElHandler = specialElHandlers[fromEl.nodeName];
        if (specialElHandler) {
            specialElHandler(fromEl, toEl);
        }
    } // END: morphEl(...)

    var morphedNode = fromNode;
    var morphedNodeType = morphedNode.nodeType;
    var toNodeType = toNode.nodeType;

    if (!childrenOnly) {
        // Handle the case where we are given two DOM nodes that are not
        // compatible (e.g. <div> --> <span> or <div> --> TEXT)
        if (morphedNodeType === ELEMENT_NODE) {
            if (toNodeType === ELEMENT_NODE) {
                if (!compareNodeNames(fromNode, toNode)) {
                    onNodeDiscarded(fromNode);
                    morphedNode = moveChildren(fromNode, createElementNS(toNode.nodeName, toNode.namespaceURI));
                }
            } else {
                // Going from an element node to a text node
                morphedNode = toNode;
            }
        } else if (morphedNodeType === TEXT_NODE || morphedNodeType === COMMENT_NODE) { // Text or comment node
            if (toNodeType === morphedNodeType) {
                morphedNode.nodeValue = toNode.nodeValue;
                return morphedNode;
            } else {
                // Text node to something else
                morphedNode = toNode;
            }
        }
    }

    if (morphedNode === toNode) {
        // The "to node" was not compatible with the "from node" so we had to
        // toss out the "from node" and use the "to node"
        onNodeDiscarded(fromNode);
    } else {
        morphEl(morphedNode, toNode, childrenOnly);

        // We now need to loop over any keyed nodes that might need to be
        // removed. We only do the removal if we know that the keyed node
        // never found a match. When a keyed node is matched up we remove
        // it out of fromNodesLookup and we use fromNodesLookup to determine
        // if a keyed node has been matched up or not
        if (keyedRemovalList) {
            for (var i=0, len=keyedRemovalList.length; i<len; i++) {
                var elToRemove = fromNodesLookup[keyedRemovalList[i]];
                if (elToRemove) {
                    removeNode(elToRemove, elToRemove.parentNode, false);
                }
            }
        }
    }

    if (!childrenOnly && morphedNode !== fromNode && fromNode.parentNode) {
        if (morphedNode.actualize) {
            morphedNode = morphedNode.actualize(fromNode.ownerDocument || doc);
        }
        // If we had to swap out the from node with a new node because the old
        // node was not compatible with the target node then we need to
        // replace the old DOM node in the original DOM tree. This is only
        // possible if the original DOM node was part of a DOM tree which
        // we know is the case if it has a parent node.
        fromNode.parentNode.replaceChild(morphedNode, fromNode);
    }

    return morphedNode;
}

module.exports = morphdom;

},{}],29:[function(require,module,exports){
module.exports = [
  // attribute events (can be set with attributes)
  'onclick',
  'ondblclick',
  'onmousedown',
  'onmouseup',
  'onmouseover',
  'onmousemove',
  'onmouseout',
  'ondragstart',
  'ondrag',
  'ondragenter',
  'ondragleave',
  'ondragover',
  'ondrop',
  'ondragend',
  'onkeydown',
  'onkeypress',
  'onkeyup',
  'onunload',
  'onabort',
  'onerror',
  'onresize',
  'onscroll',
  'onselect',
  'onchange',
  'onsubmit',
  'onreset',
  'onfocus',
  'onblur',
  'oninput',
  // other common events
  'oncontextmenu',
  'onfocusin',
  'onfocusout'
]

},{}],"choo":[function(require,module,exports){
const history = require('sheet-router/history')
const sheetRouter = require('sheet-router')
const document = require('global/document')
const onReady = require('document-ready')
const href = require('sheet-router/href')
const hash = require('sheet-router/hash')
const hashMatch = require('hash-match')
const barracks = require('barracks')
const nanoraf = require('nanoraf')
const assert = require('assert')
const xtend = require('xtend')
const yo = require('yo-yo')

module.exports = choo

// framework for creating sturdy web applications
// null -> fn
function choo (opts) {
  opts = opts || {}

  const _store = start._store = barracks()
  var _router = start._router = null
  var _defaultRoute = null
  var _rootNode = null
  var _routes = null
  var _frame = null

  _store.use({ onStateChange: render })
  _store.use(opts)

  start.toString = toString
  start.router = router
  start.model = model
  start.start = start
  start.use = use

  return start

  // render the application to a string
  // (str, obj) -> str
  function toString (route, serverState) {
    serverState = serverState || {}
    assert.equal(typeof route, 'string', 'choo.app.toString: route must be a string')
    assert.equal(typeof serverState, 'object', 'choo.app.toString: serverState must be an object')
    _store.start({ subscriptions: false, reducers: false, effects: false })

    const state = _store.state({ state: serverState })
    const router = createRouter(_defaultRoute, _routes, createSend)
    const tree = router(route, state)
    return tree.outerHTML || tree.toString()

    function createSend () {
      return function send () {
        assert.ok(false, 'choo: send() cannot be called from Node')
      }
    }
  }

  // start the application
  // (str?, obj?) -> DOMNode
  function start (selector, startOpts) {
    if (!startOpts && typeof selector !== 'string') {
      startOpts = selector
      selector = null
    }
    startOpts = startOpts || {}

    _store.model(appInit(startOpts))
    const createSend = _store.start(startOpts)
    _router = start._router = createRouter(_defaultRoute, _routes, createSend)
    const state = _store.state({state: {}})

    if (!selector) {
      const tree = _router(state.location.pathname, state)
      _rootNode = tree
      return tree
    } else {
      onReady(function onReady () {
        const oldTree = document.querySelector(selector)
        assert.ok(oldTree, 'could not query selector: ' + selector)
        const newTree = _router(state.location.pathname, state)
        _rootNode = yo.update(oldTree, newTree)
      })
    }
  }

  // update the DOM after every state mutation
  // (obj, obj, obj, str, fn) -> null
  function render (data, state, prev, name, createSend) {
    if (!_frame) {
      _frame = nanoraf(function (state, prev) {
        const newTree = _router(state.location.pathname, state, prev)
        _rootNode = yo.update(_rootNode, newTree)
      })
    }
    _frame(state, prev)
  }

  // register all routes on the router
  // (str?, [fn|[fn]]) -> obj
  function router (defaultRoute, routes) {
    _defaultRoute = defaultRoute
    _routes = routes
  }

  // create a new model
  // (str?, obj) -> null
  function model (model) {
    _store.model(model)
  }

  // register a plugin
  // (obj) -> null
  function use (hooks) {
    assert.equal(typeof hooks, 'object', 'choo.use: hooks should be an object')
    _store.use(hooks)
  }

  // create a new router with a custom `createRoute()` function
  // (str?, obj, fn?) -> null
  function createRouter (defaultRoute, routes, createSend) {
    var prev = { params: {} }
    return sheetRouter(defaultRoute, routes, createRoute)

    function createRoute (routeFn) {
      return function (route, inline, child) {
        if (typeof inline === 'function') {
          inline = wrap(inline, route)
        }
        return routeFn(route, inline, child)
      }

      function wrap (child, route) {
        const send = createSend('view: ' + route, true)
        return function chooWrap (params, state) {
          const nwPrev = prev
          const nwState = prev = xtend(state, { params: params })
          if (opts.freeze !== false) Object.freeze(nwState)
          return child(nwState, nwPrev, send)
        }
      }
    }
  }
}

// initial application state model
// obj -> obj
function appInit (opts) {
  const loc = document.location
  const state = { pathname: (opts.hash) ? hashMatch(loc.hash) : loc.href }
  const reducers = {
    setLocation: function setLocation (data, state) {
      return { pathname: data.location.replace(/#.*/, '') }
    }
  }
  // if hash routing explicitly enabled, subscribe to it
  const subs = {}
  if (opts.hash === true) {
    pushLocationSub(function (navigate) {
      hash(function (fragment) {
        navigate(hashMatch(fragment))
      })
    }, 'handleHash', subs)
  } else {
    if (opts.history !== false) pushLocationSub(history, 'handleHistory', subs)
    if (opts.href !== false) pushLocationSub(href, 'handleHref', subs)
  }

  return {
    namespace: 'location',
    subscriptions: subs,
    reducers: reducers,
    state: state
  }

  // create a new subscription that modifies
  // 'app:location' and push it to be loaded
  // (fn, obj) -> null
  function pushLocationSub (cb, key, model) {
    model[key] = function (send, done) {
      cb(function navigate (pathname) {
        send('location:setLocation', { location: pathname }, done)
      })
    }
  }
}

},{"assert":1,"barracks":8,"document-ready":9,"global/document":10,"hash-match":12,"nanoraf":13,"sheet-router":17,"sheet-router/hash":14,"sheet-router/history":15,"sheet-router/href":16,"xtend":21,"yo-yo":23}]},{},[])
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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})","// http://wiki.commonjs.org/wiki/Unit_Testing/1.0\n//\n// THIS IS NOT TESTED NOR LIKELY TO WORK OUTSIDE V8!\n//\n// Originally from narwhal.js (http://narwhaljs.org)\n// Copyright (c) 2009 Thomas Robinson <280north.com>\n//\n// Permission is hereby granted, free of charge, to any person obtaining a copy\n// of this software and associated documentation files (the 'Software'), to\n// deal in the Software without restriction, including without limitation the\n// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n// sell copies of the Software, and to permit persons to whom the Software is\n// furnished to do so, subject to the following conditions:\n//\n// The above copyright notice and this permission notice shall be included in\n// all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n// AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN\n// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION\n// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\n\n// when used in node, this will actually load the util module we depend on\n// versus loading the builtin util module as happens otherwise\n// this is a bug in node module loading as far as I am concerned\nvar util = require('util/');\n\nvar pSlice = Array.prototype.slice;\nvar hasOwn = Object.prototype.hasOwnProperty;\n\n// 1. The assert module provides functions that throw\n// AssertionError's when particular conditions are not met. The\n// assert module must conform to the following interface.\n\nvar assert = module.exports = ok;\n\n// 2. The AssertionError is defined in assert.\n// new assert.AssertionError({ message: message,\n//                             actual: actual,\n//                             expected: expected })\n\nassert.AssertionError = function AssertionError(options) {\n  this.name = 'AssertionError';\n  this.actual = options.actual;\n  this.expected = options.expected;\n  this.operator = options.operator;\n  if (options.message) {\n    this.message = options.message;\n    this.generatedMessage = false;\n  } else {\n    this.message = getMessage(this);\n    this.generatedMessage = true;\n  }\n  var stackStartFunction = options.stackStartFunction || fail;\n\n  if (Error.captureStackTrace) {\n    Error.captureStackTrace(this, stackStartFunction);\n  }\n  else {\n    // non v8 browsers so we can have a stacktrace\n    var err = new Error();\n    if (err.stack) {\n      var out = err.stack;\n\n      // try to strip useless frames\n      var fn_name = stackStartFunction.name;\n      var idx = out.indexOf('\\n' + fn_name);\n      if (idx >= 0) {\n        // once we have located the function frame\n        // we need to strip out everything before it (and its line)\n        var next_line = out.indexOf('\\n', idx + 1);\n        out = out.substring(next_line + 1);\n      }\n\n      this.stack = out;\n    }\n  }\n};\n\n// assert.AssertionError instanceof Error\nutil.inherits(assert.AssertionError, Error);\n\nfunction replacer(key, value) {\n  if (util.isUndefined(value)) {\n    return '' + value;\n  }\n  if (util.isNumber(value) && (isNaN(value) || !isFinite(value))) {\n    return value.toString();\n  }\n  if (util.isFunction(value) || util.isRegExp(value)) {\n    return value.toString();\n  }\n  return value;\n}\n\nfunction truncate(s, n) {\n  if (util.isString(s)) {\n    return s.length < n ? s : s.slice(0, n);\n  } else {\n    return s;\n  }\n}\n\nfunction getMessage(self) {\n  return truncate(JSON.stringify(self.actual, replacer), 128) + ' ' +\n         self.operator + ' ' +\n         truncate(JSON.stringify(self.expected, replacer), 128);\n}\n\n// At present only the three keys mentioned above are used and\n// understood by the spec. Implementations or sub modules can pass\n// other keys to the AssertionError's constructor - they will be\n// ignored.\n\n// 3. All of the following functions must throw an AssertionError\n// when a corresponding condition is not met, with a message that\n// may be undefined if not provided.  All assertion methods provide\n// both the actual and expected values to the assertion error for\n// display purposes.\n\nfunction fail(actual, expected, message, operator, stackStartFunction) {\n  throw new assert.AssertionError({\n    message: message,\n    actual: actual,\n    expected: expected,\n    operator: operator,\n    stackStartFunction: stackStartFunction\n  });\n}\n\n// EXTENSION! allows for well behaved errors defined elsewhere.\nassert.fail = fail;\n\n// 4. Pure assertion tests whether a value is truthy, as determined\n// by !!guard.\n// assert.ok(guard, message_opt);\n// This statement is equivalent to assert.equal(true, !!guard,\n// message_opt);. To test strictly for the value true, use\n// assert.strictEqual(true, guard, message_opt);.\n\nfunction ok(value, message) {\n  if (!value) fail(value, true, message, '==', assert.ok);\n}\nassert.ok = ok;\n\n// 5. The equality assertion tests shallow, coercive equality with\n// ==.\n// assert.equal(actual, expected, message_opt);\n\nassert.equal = function equal(actual, expected, message) {\n  if (actual != expected) fail(actual, expected, message, '==', assert.equal);\n};\n\n// 6. The non-equality assertion tests for whether two objects are not equal\n// with != assert.notEqual(actual, expected, message_opt);\n\nassert.notEqual = function notEqual(actual, expected, message) {\n  if (actual == expected) {\n    fail(actual, expected, message, '!=', assert.notEqual);\n  }\n};\n\n// 7. The equivalence assertion tests a deep equality relation.\n// assert.deepEqual(actual, expected, message_opt);\n\nassert.deepEqual = function deepEqual(actual, expected, message) {\n  if (!_deepEqual(actual, expected)) {\n    fail(actual, expected, message, 'deepEqual', assert.deepEqual);\n  }\n};\n\nfunction _deepEqual(actual, expected) {\n  // 7.1. All identical values are equivalent, as determined by ===.\n  if (actual === expected) {\n    return true;\n\n  } else if (util.isBuffer(actual) && util.isBuffer(expected)) {\n    if (actual.length != expected.length) return false;\n\n    for (var i = 0; i < actual.length; i++) {\n      if (actual[i] !== expected[i]) return false;\n    }\n\n    return true;\n\n  // 7.2. If the expected value is a Date object, the actual value is\n  // equivalent if it is also a Date object that refers to the same time.\n  } else if (util.isDate(actual) && util.isDate(expected)) {\n    return actual.getTime() === expected.getTime();\n\n  // 7.3 If the expected value is a RegExp object, the actual value is\n  // equivalent if it is also a RegExp object with the same source and\n  // properties (`global`, `multiline`, `lastIndex`, `ignoreCase`).\n  } else if (util.isRegExp(actual) && util.isRegExp(expected)) {\n    return actual.source === expected.source &&\n           actual.global === expected.global &&\n           actual.multiline === expected.multiline &&\n           actual.lastIndex === expected.lastIndex &&\n           actual.ignoreCase === expected.ignoreCase;\n\n  // 7.4. Other pairs that do not both pass typeof value == 'object',\n  // equivalence is determined by ==.\n  } else if (!util.isObject(actual) && !util.isObject(expected)) {\n    return actual == expected;\n\n  // 7.5 For all other Object pairs, including Array objects, equivalence is\n  // determined by having the same number of owned properties (as verified\n  // with Object.prototype.hasOwnProperty.call), the same set of keys\n  // (although not necessarily the same order), equivalent values for every\n  // corresponding key, and an identical 'prototype' property. Note: this\n  // accounts for both named and indexed properties on Arrays.\n  } else {\n    return objEquiv(actual, expected);\n  }\n}\n\nfunction isArguments(object) {\n  return Object.prototype.toString.call(object) == '[object Arguments]';\n}\n\nfunction objEquiv(a, b) {\n  if (util.isNullOrUndefined(a) || util.isNullOrUndefined(b))\n    return false;\n  // an identical 'prototype' property.\n  if (a.prototype !== b.prototype) return false;\n  //~~~I've managed to break Object.keys through screwy arguments passing.\n  //   Converting to array solves the problem.\n  if (isArguments(a)) {\n    if (!isArguments(b)) {\n      return false;\n    }\n    a = pSlice.call(a);\n    b = pSlice.call(b);\n    return _deepEqual(a, b);\n  }\n  try {\n    var ka = objectKeys(a),\n        kb = objectKeys(b),\n        key, i;\n  } catch (e) {//happens when one is a string literal and the other isn't\n    return false;\n  }\n  // having the same number of owned properties (keys incorporates\n  // hasOwnProperty)\n  if (ka.length != kb.length)\n    return false;\n  //the same set of keys (although not necessarily the same order),\n  ka.sort();\n  kb.sort();\n  //~~~cheap key test\n  for (i = ka.length - 1; i >= 0; i--) {\n    if (ka[i] != kb[i])\n      return false;\n  }\n  //equivalent values for every corresponding key, and\n  //~~~possibly expensive deep test\n  for (i = ka.length - 1; i >= 0; i--) {\n    key = ka[i];\n    if (!_deepEqual(a[key], b[key])) return false;\n  }\n  return true;\n}\n\n// 8. The non-equivalence assertion tests for any deep inequality.\n// assert.notDeepEqual(actual, expected, message_opt);\n\nassert.notDeepEqual = function notDeepEqual(actual, expected, message) {\n  if (_deepEqual(actual, expected)) {\n    fail(actual, expected, message, 'notDeepEqual', assert.notDeepEqual);\n  }\n};\n\n// 9. The strict equality assertion tests strict equality, as determined by ===.\n// assert.strictEqual(actual, expected, message_opt);\n\nassert.strictEqual = function strictEqual(actual, expected, message) {\n  if (actual !== expected) {\n    fail(actual, expected, message, '===', assert.strictEqual);\n  }\n};\n\n// 10. The strict non-equality assertion tests for strict inequality, as\n// determined by !==.  assert.notStrictEqual(actual, expected, message_opt);\n\nassert.notStrictEqual = function notStrictEqual(actual, expected, message) {\n  if (actual === expected) {\n    fail(actual, expected, message, '!==', assert.notStrictEqual);\n  }\n};\n\nfunction expectedException(actual, expected) {\n  if (!actual || !expected) {\n    return false;\n  }\n\n  if (Object.prototype.toString.call(expected) == '[object RegExp]') {\n    return expected.test(actual);\n  } else if (actual instanceof expected) {\n    return true;\n  } else if (expected.call({}, actual) === true) {\n    return true;\n  }\n\n  return false;\n}\n\nfunction _throws(shouldThrow, block, expected, message) {\n  var actual;\n\n  if (util.isString(expected)) {\n    message = expected;\n    expected = null;\n  }\n\n  try {\n    block();\n  } catch (e) {\n    actual = e;\n  }\n\n  message = (expected && expected.name ? ' (' + expected.name + ').' : '.') +\n            (message ? ' ' + message : '.');\n\n  if (shouldThrow && !actual) {\n    fail(actual, expected, 'Missing expected exception' + message);\n  }\n\n  if (!shouldThrow && expectedException(actual, expected)) {\n    fail(actual, expected, 'Got unwanted exception' + message);\n  }\n\n  if ((shouldThrow && actual && expected &&\n      !expectedException(actual, expected)) || (!shouldThrow && actual)) {\n    throw actual;\n  }\n}\n\n// 11. Expected to throw an error:\n// assert.throws(block, Error_opt, message_opt);\n\nassert.throws = function(block, /*optional*/error, /*optional*/message) {\n  _throws.apply(this, [true].concat(pSlice.call(arguments)));\n};\n\n// EXTENSION! This is annoying to write outside this module.\nassert.doesNotThrow = function(block, /*optional*/message) {\n  _throws.apply(this, [false].concat(pSlice.call(arguments)));\n};\n\nassert.ifError = function(err) { if (err) {throw err;}};\n\nvar objectKeys = Object.keys || function (obj) {\n  var keys = [];\n  for (var key in obj) {\n    if (hasOwn.call(obj, key)) keys.push(key);\n  }\n  return keys;\n};\n",null,"// shim for using process in browser\n\nvar process = module.exports = {};\n\nprocess.nextTick = (function () {\n    var canSetImmediate = typeof window !== 'undefined'\n    && window.setImmediate;\n    var canMutationObserver = typeof window !== 'undefined'\n    && window.MutationObserver;\n    var canPost = typeof window !== 'undefined'\n    && window.postMessage && window.addEventListener\n    ;\n\n    if (canSetImmediate) {\n        return function (f) { return window.setImmediate(f) };\n    }\n\n    var queue = [];\n\n    if (canMutationObserver) {\n        var hiddenDiv = document.createElement(\"div\");\n        var observer = new MutationObserver(function () {\n            var queueList = queue.slice();\n            queue.length = 0;\n            queueList.forEach(function (fn) {\n                fn();\n            });\n        });\n\n        observer.observe(hiddenDiv, { attributes: true });\n\n        return function nextTick(fn) {\n            if (!queue.length) {\n                hiddenDiv.setAttribute('yes', 'no');\n            }\n            queue.push(fn);\n        };\n    }\n\n    if (canPost) {\n        window.addEventListener('message', function (ev) {\n            var source = ev.source;\n            if ((source === window || source === null) && ev.data === 'process-tick') {\n                ev.stopPropagation();\n                if (queue.length > 0) {\n                    var fn = queue.shift();\n                    fn();\n                }\n            }\n        }, true);\n\n        return function nextTick(fn) {\n            queue.push(fn);\n            window.postMessage('process-tick', '*');\n        };\n    }\n\n    return function nextTick(fn) {\n        setTimeout(fn, 0);\n    };\n})();\n\nprocess.title = 'browser';\nprocess.browser = true;\nprocess.env = {};\nprocess.argv = [];\n\nfunction noop() {}\n\nprocess.on = noop;\nprocess.addListener = noop;\nprocess.once = noop;\nprocess.off = noop;\nprocess.removeListener = noop;\nprocess.removeAllListeners = noop;\nprocess.emit = noop;\n\nprocess.binding = function (name) {\n    throw new Error('process.binding is not supported');\n};\n\n// TODO(shtylman)\nprocess.cwd = function () { return '/' };\nprocess.chdir = function (dir) {\n    throw new Error('process.chdir is not supported');\n};\n","if (typeof Object.create === 'function') {\n  // implementation from standard node.js 'util' module\n  module.exports = function inherits(ctor, superCtor) {\n    ctor.super_ = superCtor\n    ctor.prototype = Object.create(superCtor.prototype, {\n      constructor: {\n        value: ctor,\n        enumerable: false,\n        writable: true,\n        configurable: true\n      }\n    });\n  };\n} else {\n  // old school shim for old browsers\n  module.exports = function inherits(ctor, superCtor) {\n    ctor.super_ = superCtor\n    var TempCtor = function () {}\n    TempCtor.prototype = superCtor.prototype\n    ctor.prototype = new TempCtor()\n    ctor.prototype.constructor = ctor\n  }\n}\n","module.exports = function isBuffer(arg) {\n  return arg && typeof arg === 'object'\n    && typeof arg.copy === 'function'\n    && typeof arg.fill === 'function'\n    && typeof arg.readUInt8 === 'function';\n}","(function (process,global){\n// Copyright Joyent, Inc. and other Node contributors.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a\n// copy of this software and associated documentation files (the\n// \"Software\"), to deal in the Software without restriction, including\n// without limitation the rights to use, copy, modify, merge, publish,\n// distribute, sublicense, and/or sell copies of the Software, and to permit\n// persons to whom the Software is furnished to do so, subject to the\n// following conditions:\n//\n// The above copyright notice and this permission notice shall be included\n// in all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS\n// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN\n// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,\n// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE\n// USE OR OTHER DEALINGS IN THE SOFTWARE.\n\nvar formatRegExp = /%[sdj%]/g;\nexports.format = function(f) {\n  if (!isString(f)) {\n    var objects = [];\n    for (var i = 0; i < arguments.length; i++) {\n      objects.push(inspect(arguments[i]));\n    }\n    return objects.join(' ');\n  }\n\n  var i = 1;\n  var args = arguments;\n  var len = args.length;\n  var str = String(f).replace(formatRegExp, function(x) {\n    if (x === '%%') return '%';\n    if (i >= len) return x;\n    switch (x) {\n      case '%s': return String(args[i++]);\n      case '%d': return Number(args[i++]);\n      case '%j':\n        try {\n          return JSON.stringify(args[i++]);\n        } catch (_) {\n          return '[Circular]';\n        }\n      default:\n        return x;\n    }\n  });\n  for (var x = args[i]; i < len; x = args[++i]) {\n    if (isNull(x) || !isObject(x)) {\n      str += ' ' + x;\n    } else {\n      str += ' ' + inspect(x);\n    }\n  }\n  return str;\n};\n\n\n// Mark that a method should not be used.\n// Returns a modified function which warns once by default.\n// If --no-deprecation is set, then it is a no-op.\nexports.deprecate = function(fn, msg) {\n  // Allow for deprecating things in the process of starting up.\n  if (isUndefined(global.process)) {\n    return function() {\n      return exports.deprecate(fn, msg).apply(this, arguments);\n    };\n  }\n\n  if (process.noDeprecation === true) {\n    return fn;\n  }\n\n  var warned = false;\n  function deprecated() {\n    if (!warned) {\n      if (process.throwDeprecation) {\n        throw new Error(msg);\n      } else if (process.traceDeprecation) {\n        console.trace(msg);\n      } else {\n        console.error(msg);\n      }\n      warned = true;\n    }\n    return fn.apply(this, arguments);\n  }\n\n  return deprecated;\n};\n\n\nvar debugs = {};\nvar debugEnviron;\nexports.debuglog = function(set) {\n  if (isUndefined(debugEnviron))\n    debugEnviron = process.env.NODE_DEBUG || '';\n  set = set.toUpperCase();\n  if (!debugs[set]) {\n    if (new RegExp('\\\\b' + set + '\\\\b', 'i').test(debugEnviron)) {\n      var pid = process.pid;\n      debugs[set] = function() {\n        var msg = exports.format.apply(exports, arguments);\n        console.error('%s %d: %s', set, pid, msg);\n      };\n    } else {\n      debugs[set] = function() {};\n    }\n  }\n  return debugs[set];\n};\n\n\n/**\n * Echos the value of a value. Trys to print the value out\n * in the best way possible given the different types.\n *\n * @param {Object} obj The object to print out.\n * @param {Object} opts Optional options object that alters the output.\n */\n/* legacy: obj, showHidden, depth, colors*/\nfunction inspect(obj, opts) {\n  // default options\n  var ctx = {\n    seen: [],\n    stylize: stylizeNoColor\n  };\n  // legacy...\n  if (arguments.length >= 3) ctx.depth = arguments[2];\n  if (arguments.length >= 4) ctx.colors = arguments[3];\n  if (isBoolean(opts)) {\n    // legacy...\n    ctx.showHidden = opts;\n  } else if (opts) {\n    // got an \"options\" object\n    exports._extend(ctx, opts);\n  }\n  // set default options\n  if (isUndefined(ctx.showHidden)) ctx.showHidden = false;\n  if (isUndefined(ctx.depth)) ctx.depth = 2;\n  if (isUndefined(ctx.colors)) ctx.colors = false;\n  if (isUndefined(ctx.customInspect)) ctx.customInspect = true;\n  if (ctx.colors) ctx.stylize = stylizeWithColor;\n  return formatValue(ctx, obj, ctx.depth);\n}\nexports.inspect = inspect;\n\n\n// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics\ninspect.colors = {\n  'bold' : [1, 22],\n  'italic' : [3, 23],\n  'underline' : [4, 24],\n  'inverse' : [7, 27],\n  'white' : [37, 39],\n  'grey' : [90, 39],\n  'black' : [30, 39],\n  'blue' : [34, 39],\n  'cyan' : [36, 39],\n  'green' : [32, 39],\n  'magenta' : [35, 39],\n  'red' : [31, 39],\n  'yellow' : [33, 39]\n};\n\n// Don't use 'blue' not visible on cmd.exe\ninspect.styles = {\n  'special': 'cyan',\n  'number': 'yellow',\n  'boolean': 'yellow',\n  'undefined': 'grey',\n  'null': 'bold',\n  'string': 'green',\n  'date': 'magenta',\n  // \"name\": intentionally not styling\n  'regexp': 'red'\n};\n\n\nfunction stylizeWithColor(str, styleType) {\n  var style = inspect.styles[styleType];\n\n  if (style) {\n    return '\\u001b[' + inspect.colors[style][0] + 'm' + str +\n           '\\u001b[' + inspect.colors[style][1] + 'm';\n  } else {\n    return str;\n  }\n}\n\n\nfunction stylizeNoColor(str, styleType) {\n  return str;\n}\n\n\nfunction arrayToHash(array) {\n  var hash = {};\n\n  array.forEach(function(val, idx) {\n    hash[val] = true;\n  });\n\n  return hash;\n}\n\n\nfunction formatValue(ctx, value, recurseTimes) {\n  // Provide a hook for user-specified inspect functions.\n  // Check that value is an object with an inspect function on it\n  if (ctx.customInspect &&\n      value &&\n      isFunction(value.inspect) &&\n      // Filter out the util module, it's inspect function is special\n      value.inspect !== exports.inspect &&\n      // Also filter out any prototype objects using the circular check.\n      !(value.constructor && value.constructor.prototype === value)) {\n    var ret = value.inspect(recurseTimes, ctx);\n    if (!isString(ret)) {\n      ret = formatValue(ctx, ret, recurseTimes);\n    }\n    return ret;\n  }\n\n  // Primitive types cannot have properties\n  var primitive = formatPrimitive(ctx, value);\n  if (primitive) {\n    return primitive;\n  }\n\n  // Look up the keys of the object.\n  var keys = Object.keys(value);\n  var visibleKeys = arrayToHash(keys);\n\n  if (ctx.showHidden) {\n    keys = Object.getOwnPropertyNames(value);\n  }\n\n  // IE doesn't make error fields non-enumerable\n  // http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx\n  if (isError(value)\n      && (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) {\n    return formatError(value);\n  }\n\n  // Some type of object without properties can be shortcutted.\n  if (keys.length === 0) {\n    if (isFunction(value)) {\n      var name = value.name ? ': ' + value.name : '';\n      return ctx.stylize('[Function' + name + ']', 'special');\n    }\n    if (isRegExp(value)) {\n      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');\n    }\n    if (isDate(value)) {\n      return ctx.stylize(Date.prototype.toString.call(value), 'date');\n    }\n    if (isError(value)) {\n      return formatError(value);\n    }\n  }\n\n  var base = '', array = false, braces = ['{', '}'];\n\n  // Make Array say that they are Array\n  if (isArray(value)) {\n    array = true;\n    braces = ['[', ']'];\n  }\n\n  // Make functions say that they are functions\n  if (isFunction(value)) {\n    var n = value.name ? ': ' + value.name : '';\n    base = ' [Function' + n + ']';\n  }\n\n  // Make RegExps say that they are RegExps\n  if (isRegExp(value)) {\n    base = ' ' + RegExp.prototype.toString.call(value);\n  }\n\n  // Make dates with properties first say the date\n  if (isDate(value)) {\n    base = ' ' + Date.prototype.toUTCString.call(value);\n  }\n\n  // Make error with message first say the error\n  if (isError(value)) {\n    base = ' ' + formatError(value);\n  }\n\n  if (keys.length === 0 && (!array || value.length == 0)) {\n    return braces[0] + base + braces[1];\n  }\n\n  if (recurseTimes < 0) {\n    if (isRegExp(value)) {\n      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');\n    } else {\n      return ctx.stylize('[Object]', 'special');\n    }\n  }\n\n  ctx.seen.push(value);\n\n  var output;\n  if (array) {\n    output = formatArray(ctx, value, recurseTimes, visibleKeys, keys);\n  } else {\n    output = keys.map(function(key) {\n      return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array);\n    });\n  }\n\n  ctx.seen.pop();\n\n  return reduceToSingleString(output, base, braces);\n}\n\n\nfunction formatPrimitive(ctx, value) {\n  if (isUndefined(value))\n    return ctx.stylize('undefined', 'undefined');\n  if (isString(value)) {\n    var simple = '\\'' + JSON.stringify(value).replace(/^\"|\"$/g, '')\n                                             .replace(/'/g, \"\\\\'\")\n                                             .replace(/\\\\\"/g, '\"') + '\\'';\n    return ctx.stylize(simple, 'string');\n  }\n  if (isNumber(value))\n    return ctx.stylize('' + value, 'number');\n  if (isBoolean(value))\n    return ctx.stylize('' + value, 'boolean');\n  // For some reason typeof null is \"object\", so special case here.\n  if (isNull(value))\n    return ctx.stylize('null', 'null');\n}\n\n\nfunction formatError(value) {\n  return '[' + Error.prototype.toString.call(value) + ']';\n}\n\n\nfunction formatArray(ctx, value, recurseTimes, visibleKeys, keys) {\n  var output = [];\n  for (var i = 0, l = value.length; i < l; ++i) {\n    if (hasOwnProperty(value, String(i))) {\n      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,\n          String(i), true));\n    } else {\n      output.push('');\n    }\n  }\n  keys.forEach(function(key) {\n    if (!key.match(/^\\d+$/)) {\n      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,\n          key, true));\n    }\n  });\n  return output;\n}\n\n\nfunction formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) {\n  var name, str, desc;\n  desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] };\n  if (desc.get) {\n    if (desc.set) {\n      str = ctx.stylize('[Getter/Setter]', 'special');\n    } else {\n      str = ctx.stylize('[Getter]', 'special');\n    }\n  } else {\n    if (desc.set) {\n      str = ctx.stylize('[Setter]', 'special');\n    }\n  }\n  if (!hasOwnProperty(visibleKeys, key)) {\n    name = '[' + key + ']';\n  }\n  if (!str) {\n    if (ctx.seen.indexOf(desc.value) < 0) {\n      if (isNull(recurseTimes)) {\n        str = formatValue(ctx, desc.value, null);\n      } else {\n        str = formatValue(ctx, desc.value, recurseTimes - 1);\n      }\n      if (str.indexOf('\\n') > -1) {\n        if (array) {\n          str = str.split('\\n').map(function(line) {\n            return '  ' + line;\n          }).join('\\n').substr(2);\n        } else {\n          str = '\\n' + str.split('\\n').map(function(line) {\n            return '   ' + line;\n          }).join('\\n');\n        }\n      }\n    } else {\n      str = ctx.stylize('[Circular]', 'special');\n    }\n  }\n  if (isUndefined(name)) {\n    if (array && key.match(/^\\d+$/)) {\n      return str;\n    }\n    name = JSON.stringify('' + key);\n    if (name.match(/^\"([a-zA-Z_][a-zA-Z_0-9]*)\"$/)) {\n      name = name.substr(1, name.length - 2);\n      name = ctx.stylize(name, 'name');\n    } else {\n      name = name.replace(/'/g, \"\\\\'\")\n                 .replace(/\\\\\"/g, '\"')\n                 .replace(/(^\"|\"$)/g, \"'\");\n      name = ctx.stylize(name, 'string');\n    }\n  }\n\n  return name + ': ' + str;\n}\n\n\nfunction reduceToSingleString(output, base, braces) {\n  var numLinesEst = 0;\n  var length = output.reduce(function(prev, cur) {\n    numLinesEst++;\n    if (cur.indexOf('\\n') >= 0) numLinesEst++;\n    return prev + cur.replace(/\\u001b\\[\\d\\d?m/g, '').length + 1;\n  }, 0);\n\n  if (length > 60) {\n    return braces[0] +\n           (base === '' ? '' : base + '\\n ') +\n           ' ' +\n           output.join(',\\n  ') +\n           ' ' +\n           braces[1];\n  }\n\n  return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];\n}\n\n\n// NOTE: These type checking functions intentionally don't use `instanceof`\n// because it is fragile and can be easily faked with `Object.create()`.\nfunction isArray(ar) {\n  return Array.isArray(ar);\n}\nexports.isArray = isArray;\n\nfunction isBoolean(arg) {\n  return typeof arg === 'boolean';\n}\nexports.isBoolean = isBoolean;\n\nfunction isNull(arg) {\n  return arg === null;\n}\nexports.isNull = isNull;\n\nfunction isNullOrUndefined(arg) {\n  return arg == null;\n}\nexports.isNullOrUndefined = isNullOrUndefined;\n\nfunction isNumber(arg) {\n  return typeof arg === 'number';\n}\nexports.isNumber = isNumber;\n\nfunction isString(arg) {\n  return typeof arg === 'string';\n}\nexports.isString = isString;\n\nfunction isSymbol(arg) {\n  return typeof arg === 'symbol';\n}\nexports.isSymbol = isSymbol;\n\nfunction isUndefined(arg) {\n  return arg === void 0;\n}\nexports.isUndefined = isUndefined;\n\nfunction isRegExp(re) {\n  return isObject(re) && objectToString(re) === '[object RegExp]';\n}\nexports.isRegExp = isRegExp;\n\nfunction isObject(arg) {\n  return typeof arg === 'object' && arg !== null;\n}\nexports.isObject = isObject;\n\nfunction isDate(d) {\n  return isObject(d) && objectToString(d) === '[object Date]';\n}\nexports.isDate = isDate;\n\nfunction isError(e) {\n  return isObject(e) &&\n      (objectToString(e) === '[object Error]' || e instanceof Error);\n}\nexports.isError = isError;\n\nfunction isFunction(arg) {\n  return typeof arg === 'function';\n}\nexports.isFunction = isFunction;\n\nfunction isPrimitive(arg) {\n  return arg === null ||\n         typeof arg === 'boolean' ||\n         typeof arg === 'number' ||\n         typeof arg === 'string' ||\n         typeof arg === 'symbol' ||  // ES6 symbol\n         typeof arg === 'undefined';\n}\nexports.isPrimitive = isPrimitive;\n\nexports.isBuffer = require('./support/isBuffer');\n\nfunction objectToString(o) {\n  return Object.prototype.toString.call(o);\n}\n\n\nfunction pad(n) {\n  return n < 10 ? '0' + n.toString(10) : n.toString(10);\n}\n\n\nvar months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep',\n              'Oct', 'Nov', 'Dec'];\n\n// 26 Feb 16:19:34\nfunction timestamp() {\n  var d = new Date();\n  var time = [pad(d.getHours()),\n              pad(d.getMinutes()),\n              pad(d.getSeconds())].join(':');\n  return [d.getDate(), months[d.getMonth()], time].join(' ');\n}\n\n\n// log is just a thin wrapper to console.log that prepends a timestamp\nexports.log = function() {\n  console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments));\n};\n\n\n/**\n * Inherit the prototype methods from one constructor into another.\n *\n * The Function.prototype.inherits from lang.js rewritten as a standalone\n * function (not on Function.prototype). NOTE: If this file is to be loaded\n * during bootstrapping this function needs to be rewritten using some native\n * functions as prototype setup using normal JavaScript does not work as\n * expected during bootstrapping (see mirror.js in r114903).\n *\n * @param {function} ctor Constructor function which needs to inherit the\n *     prototype.\n * @param {function} superCtor Constructor function to inherit prototype from.\n */\nexports.inherits = require('inherits');\n\nexports._extend = function(origin, add) {\n  // Don't do anything if add isn't an object\n  if (!add || !isObject(add)) return origin;\n\n  var keys = Object.keys(add);\n  var i = keys.length;\n  while (i--) {\n    origin[keys[i]] = add[keys[i]];\n  }\n  return origin;\n};\n\nfunction hasOwnProperty(obj, prop) {\n  return Object.prototype.hasOwnProperty.call(obj, prop);\n}\n\n}).call(this,require('_process'),typeof global !== \"undefined\" ? global : typeof self !== \"undefined\" ? self : typeof window !== \"undefined\" ? window : {})\n//# 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ion notice shall be included\n// in all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS\n// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN\n// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,\n// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE\n// USE OR OTHER DEALINGS IN THE SOFTWARE.\n\nvar formatRegExp = /%[sdj%]/g;\nexports.format = function(f) {\n  if (!isString(f)) {\n    var objects = [];\n    for (var i = 0; i < arguments.length; i++) {\n      objects.push(inspect(arguments[i]));\n    }\n    return objects.join(' ');\n  }\n\n  var i = 1;\n  var args = arguments;\n  var len = args.length;\n  var str = String(f).replace(formatRegExp, function(x) {\n    if (x === '%%') return '%';\n    if (i >= len) return x;\n    switch (x) {\n      case '%s': return String(args[i++]);\n      case '%d': return Number(args[i++]);\n      case '%j':\n        try {\n          return JSON.stringify(args[i++]);\n        } catch (_) {\n          return '[Circular]';\n        }\n      default:\n        return x;\n    }\n  });\n  for (var x = args[i]; i < len; x = args[++i]) {\n    if (isNull(x) || !isObject(x)) {\n      str += ' ' + x;\n    } else {\n      str += ' ' + inspect(x);\n    }\n  }\n  return str;\n};\n\n\n// Mark that a method should not be used.\n// Returns a modified function which warns once by default.\n// If --no-deprecation is set, then it is a no-op.\nexports.deprecate = function(fn, msg) {\n  // Allow for deprecating things in the process of starting up.\n  if (isUndefined(global.process)) {\n    return function() {\n      return exports.deprecate(fn, msg).apply(this, arguments);\n    };\n  }\n\n  if (process.noDeprecation === true) {\n    return fn;\n  }\n\n  var warned = false;\n  function deprecated() {\n    if (!warned) {\n      if (process.throwDeprecation) {\n        throw new Error(msg);\n      } else if (process.traceDeprecation) {\n        console.trace(msg);\n      } else {\n        console.error(msg);\n      }\n      warned = true;\n    }\n    return fn.apply(this, arguments);\n  }\n\n  return deprecated;\n};\n\n\nvar debugs = {};\nvar debugEnviron;\nexports.debuglog = function(set) {\n  if (isUndefined(debugEnviron))\n    debugEnviron = process.env.NODE_DEBUG || '';\n  set = set.toUpperCase();\n  if (!debugs[set]) {\n    if (new RegExp('\\\\b' + set + '\\\\b', 'i').test(debugEnviron)) {\n      var pid = process.pid;\n      debugs[set] = function() {\n        var msg = exports.format.apply(exports, arguments);\n        console.error('%s %d: %s', set, pid, msg);\n      };\n    } else {\n      debugs[set] = function() {};\n    }\n  }\n  return debugs[set];\n};\n\n\n/**\n * Echos the value of a value. Trys to print the value out\n * in the best way possible given the different types.\n *\n * @param {Object} obj The object to print out.\n * @param {Object} opts Optional options object that alters the output.\n */\n/* legacy: obj, showHidden, depth, colors*/\nfunction inspect(obj, opts) {\n  // default options\n  var ctx = {\n    seen: [],\n    stylize: stylizeNoColor\n  };\n  // legacy...\n  if (arguments.length >= 3) ctx.depth = arguments[2];\n  if (arguments.length >= 4) ctx.colors = arguments[3];\n  if (isBoolean(opts)) {\n    // legacy...\n    ctx.showHidden = opts;\n  } else if (opts) {\n    // got an \"options\" object\n    exports._extend(ctx, opts);\n  }\n  // set default options\n  if (isUndefined(ctx.showHidden)) ctx.showHidden = false;\n  if (isUndefined(ctx.depth)) ctx.depth = 2;\n  if (isUndefined(ctx.colors)) ctx.colors = false;\n  if (isUndefined(ctx.customInspect)) ctx.customInspect = true;\n  if (ctx.colors) ctx.stylize = stylizeWithColor;\n  return formatValue(ctx, obj, ctx.depth);\n}\nexports.inspect = inspect;\n\n\n// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics\ninspect.colors = {\n  'bold' : [1, 22],\n  'italic' : [3, 23],\n  'underline' : [4, 24],\n  'inverse' : [7, 27],\n  'white' : [37, 39],\n  'grey' : [90, 39],\n  'black' : [30, 39],\n  'blue' : [34, 39],\n  'cyan' : [36, 39],\n  'green' : [32, 39],\n  'magenta' : [35, 39],\n  'red' : [31, 39],\n  'yellow' : [33, 39]\n};\n\n// Don't use 'blue' not visible on cmd.exe\ninspect.styles = {\n  'special': 'cyan',\n  'number': 'yellow',\n  'boolean': 'yellow',\n  'undefined': 'grey',\n  'null': 'bold',\n  'string': 'green',\n  'date': 'magenta',\n  // \"name\": intentionally not styling\n  'regexp': 'red'\n};\n\n\nfunction stylizeWithColor(str, styleType) {\n  var style = inspect.styles[styleType];\n\n  if (style) {\n    return '\\u001b[' + inspect.colors[style][0] + 'm' + str +\n           '\\u001b[' + inspect.colors[style][1] + 'm';\n  } else {\n    return str;\n  }\n}\n\n\nfunction stylizeNoColor(str, styleType) {\n  return str;\n}\n\n\nfunction arrayToHash(array) {\n  var hash = {};\n\n  array.forEach(function(val, idx) {\n    hash[val] = true;\n  });\n\n  return hash;\n}\n\n\nfunction formatValue(ctx, value, recurseTimes) {\n  // Provide a hook for user-specified inspect functions.\n  // Check that value is an object with an inspect function on it\n  if (ctx.customInspect &&\n      value &&\n      isFunction(value.inspect) &&\n      // Filter out the util module, it's inspect function is special\n      value.inspect !== exports.inspect &&\n      // Also filter out any prototype objects using the circular check.\n      !(value.constructor && value.constructor.prototype === value)) {\n    var ret = value.inspect(recurseTimes, ctx);\n    if (!isString(ret)) {\n      ret = formatValue(ctx, ret, recurseTimes);\n    }\n    return ret;\n  }\n\n  // Primitive types cannot have properties\n  var primitive = formatPrimitive(ctx, value);\n  if (primitive) {\n    return primitive;\n  }\n\n  // Look up the keys of the object.\n  var keys = Object.keys(value);\n  var visibleKeys = arrayToHash(keys);\n\n  if (ctx.showHidden) {\n    keys = Object.getOwnPropertyNames(value);\n  }\n\n  // IE doesn't make error fields non-enumerable\n  // http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx\n  if (isError(value)\n      && (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) {\n    return formatError(value);\n  }\n\n  // Some type of object without properties can be shortcutted.\n  if (keys.length === 0) {\n    if (isFunction(value)) {\n      var name = value.name ? ': ' + value.name : '';\n      return ctx.stylize('[Function' + name + ']', 'special');\n    }\n    if (isRegExp(value)) {\n      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');\n    }\n    if (isDate(value)) {\n      return ctx.stylize(Date.prototype.toString.call(value), 'date');\n    }\n    if (isError(value)) {\n      return formatError(value);\n    }\n  }\n\n  var base = '', array = false, braces = ['{', '}'];\n\n  // Make Array say that they are Array\n  if (isArray(value)) {\n    array = true;\n    braces = ['[', ']'];\n  }\n\n  // Make functions say that they are functions\n  if (isFunction(value)) {\n    var n = value.name ? ': ' + value.name : '';\n    base = ' [Function' + n + ']';\n  }\n\n  // Make RegExps say that they are RegExps\n  if (isRegExp(value)) {\n    base = ' ' + RegExp.prototype.toString.call(value);\n  }\n\n  // Make dates with properties first say the date\n  if (isDate(value)) {\n    base = ' ' + Date.prototype.toUTCString.call(value);\n  }\n\n  // Make error with message first say the error\n  if (isError(value)) {\n    base = ' ' + formatError(value);\n  }\n\n  if (keys.length === 0 && (!array || value.length == 0)) {\n    return braces[0] + base + braces[1];\n  }\n\n  if (recurseTimes < 0) {\n    if (isRegExp(value)) {\n      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');\n    } else {\n      return ctx.stylize('[Object]', 'special');\n    }\n  }\n\n  ctx.seen.push(value);\n\n  var output;\n  if (array) {\n    output = formatArray(ctx, value, recurseTimes, visibleKeys, keys);\n  } else {\n    output = keys.map(function(key) {\n      return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array);\n    });\n  }\n\n  ctx.seen.pop();\n\n  return reduceToSingleString(output, base, braces);\n}\n\n\nfunction formatPrimitive(ctx, value) {\n  if (isUndefined(value))\n    return ctx.stylize('undefined', 'undefined');\n  if (isString(value)) {\n    var simple = '\\'' + JSON.stringify(value).replace(/^\"|\"$/g, '')\n                                             .replace(/'/g, \"\\\\'\")\n                                             .replace(/\\\\\"/g, '\"') + '\\'';\n    return ctx.stylize(simple, 'string');\n  }\n  if (isNumber(value))\n    return ctx.stylize('' + value, 'number');\n  if (isBoolean(value))\n    return ctx.stylize('' + value, 'boolean');\n  // For some reason typeof null is \"object\", so special case here.\n  if (isNull(value))\n    return ctx.stylize('null', 'null');\n}\n\n\nfunction formatError(value) {\n  return '[' + Error.prototype.toString.call(value) + ']';\n}\n\n\nfunction formatArray(ctx, value, recurseTimes, visibleKeys, keys) {\n  var output = [];\n  for (var i = 0, l = value.length; i < l; ++i) {\n    if (hasOwnProperty(value, String(i))) {\n      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,\n          String(i), true));\n    } else {\n      output.push('');\n    }\n  }\n  keys.forEach(function(key) {\n    if (!key.match(/^\\d+$/)) {\n      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,\n          key, true));\n    }\n  });\n  return output;\n}\n\n\nfunction formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) {\n  var name, str, desc;\n  desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] };\n  if (desc.get) {\n    if (desc.set) {\n      str = ctx.stylize('[Getter/Setter]', 'special');\n    } else {\n      str = ctx.stylize('[Getter]', 'special');\n    }\n  } else {\n    if (desc.set) {\n      str = ctx.stylize('[Setter]', 'special');\n    }\n  }\n  if (!hasOwnProperty(visibleKeys, key)) {\n    name = '[' + key + ']';\n  }\n  if (!str) {\n    if (ctx.seen.indexOf(desc.value) < 0) {\n      if (isNull(recurseTimes)) {\n        str = formatValue(ctx, desc.value, null);\n      } else {\n        str = formatValue(ctx, desc.value, recurseTimes - 1);\n      }\n      if (str.indexOf('\\n') > -1) {\n        if (array) {\n          str = str.split('\\n').map(function(line) {\n            return '  ' + line;\n          }).join('\\n').substr(2);\n        } else {\n          str = '\\n' + str.split('\\n').map(function(line) {\n            return '   ' + line;\n          }).join('\\n');\n        }\n      }\n    } else {\n      str = ctx.stylize('[Circular]', 'special');\n    }\n  }\n  if (isUndefined(name)) {\n    if (array && key.match(/^\\d+$/)) {\n      return str;\n    }\n    name = JSON.stringify('' + key);\n    if (name.match(/^\"([a-zA-Z_][a-zA-Z_0-9]*)\"$/)) {\n      name = name.substr(1, name.length - 2);\n      name = ctx.stylize(name, 'name');\n    } else {\n      name = name.replace(/'/g, \"\\\\'\")\n                 .replace(/\\\\\"/g, '\"')\n                 .replace(/(^\"|\"$)/g, \"'\");\n      name = ctx.stylize(name, 'string');\n    }\n  }\n\n  return name + ': ' + str;\n}\n\n\nfunction reduceToSingleString(output, base, braces) {\n  var numLinesEst = 0;\n  var length = output.reduce(function(prev, cur) {\n    numLinesEst++;\n    if (cur.indexOf('\\n') >= 0) numLinesEst++;\n    return prev + cur.replace(/\\u001b\\[\\d\\d?m/g, '').length + 1;\n  }, 0);\n\n  if (length > 60) {\n    return braces[0] +\n           (base === '' ? '' : base + '\\n ') +\n           ' ' +\n           output.join(',\\n  ') +\n           ' ' +\n           braces[1];\n  }\n\n  return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];\n}\n\n\n// NOTE: These type checking functions intentionally don't use `instanceof`\n// because it is fragile and can be easily faked with `Object.create()`.\nfunction isArray(ar) {\n  return Array.isArray(ar);\n}\nexports.isArray = isArray;\n\nfunction isBoolean(arg) {\n  return typeof arg === 'boolean';\n}\nexports.isBoolean = isBoolean;\n\nfunction isNull(arg) {\n  return arg === null;\n}\nexports.isNull = isNull;\n\nfunction isNullOrUndefined(arg) {\n  return arg == null;\n}\nexports.isNullOrUndefined = isNullOrUndefined;\n\nfunction isNumber(arg) {\n  return typeof arg === 'number';\n}\nexports.isNumber = isNumber;\n\nfunction isString(arg) {\n  return typeof arg === 'string';\n}\nexports.isString = isString;\n\nfunction isSymbol(arg) {\n  return typeof arg === 'symbol';\n}\nexports.isSymbol = isSymbol;\n\nfunction isUndefined(arg) {\n  return arg === void 0;\n}\nexports.isUndefined = isUndefined;\n\nfunction isRegExp(re) {\n  return isObject(re) && objectToString(re) === '[object RegExp]';\n}\nexports.isRegExp = isRegExp;\n\nfunction isObject(arg) {\n  return typeof arg === 'object' && arg !== null;\n}\nexports.isObject = isObject;\n\nfunction isDate(d) {\n  return isObject(d) && objectToString(d) === '[object Date]';\n}\nexports.isDate = isDate;\n\nfunction isError(e) {\n  return isObject(e) &&\n      (objectToString(e) === '[object Error]' || e instanceof Error);\n}\nexports.isError = isError;\n\nfunction isFunction(arg) {\n  return typeof arg === 'function';\n}\nexports.isFunction = isFunction;\n\nfunction isPrimitive(arg) {\n  return arg === null ||\n         typeof arg === 'boolean' ||\n         typeof arg === 'number' ||\n         typeof arg === 'string' ||\n         typeof arg === 'symbol' ||  // ES6 symbol\n         typeof arg === 'undefined';\n}\nexports.isPrimitive = isPrimitive;\n\nexports.isBuffer = require('./support/isBuffer');\n\nfunction objectToString(o) {\n  return Object.prototype.toString.call(o);\n}\n\n\nfunction pad(n) {\n  return n < 10 ? '0' + n.toString(10) : n.toString(10);\n}\n\n\nvar months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep',\n              'Oct', 'Nov', 'Dec'];\n\n// 26 Feb 16:19:34\nfunction timestamp() {\n  var d = new Date();\n  var time = [pad(d.getHours()),\n              pad(d.getMinutes()),\n              pad(d.getSeconds())].join(':');\n  return [d.getDate(), months[d.getMonth()], time].join(' ');\n}\n\n\n// log is just a thin wrapper to console.log that prepends a timestamp\nexports.log = function() {\n  console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments));\n};\n\n\n/**\n * Inherit the prototype methods from one constructor into another.\n *\n * The Function.prototype.inherits from lang.js rewritten as a standalone\n * function (not on Function.prototype). NOTE: If this file is to be loaded\n * during bootstrapping this function needs to be rewritten using some native\n * functions as prototype setup using normal JavaScript does not work as\n * expected during bootstrapping (see mirror.js in r114903).\n *\n * @param {function} ctor Constructor function which needs to inherit the\n *     prototype.\n * @param {function} superCtor Constructor function to inherit prototype from.\n */\nexports.inherits = require('inherits');\n\nexports._extend = function(origin, add) {\n  // Don't do anything if add isn't an object\n  if (!add || !isObject(add)) return origin;\n\n  var keys = Object.keys(add);\n  var i = keys.length;\n  while (i--) {\n    origin[keys[i]] = add[keys[i]];\n  }\n  return origin;\n};\n\nfunction hasOwnProperty(obj, prop) {\n  return Object.prototype.hasOwnProperty.call(obj, prop);\n}\n"]}","module.exports = applyHook\n\n// apply arguments onto an array of functions, useful for hooks\n// (arr, any?, any?, any?, any?, any?) -> null\nfunction applyHook (arr, arg1, arg2, arg3, arg4, arg5) {\n  arr.forEach(function (fn) {\n    fn(arg1, arg2, arg3, arg4, arg5)\n  })\n}\n","const mutate = require('xtend/mutable')\nconst assert = require('assert')\nconst xtend = require('xtend')\n\nconst applyHook = require('./apply-hook')\n\nmodule.exports = dispatcher\n\n// initialize a new barracks instance\n// obj -> obj\nfunction dispatcher (hooks) {\n  hooks = hooks || {}\n  assert.equal(typeof hooks, 'object', 'barracks: hooks should be undefined or an object')\n\n  const onStateChangeHooks = []\n  const onActionHooks = []\n  const onErrorHooks = []\n\n  const subscriptionWraps = []\n  const initialStateWraps = []\n  const reducerWraps = []\n  const effectWraps = []\n\n  use(hooks)\n\n  var reducersCalled = false\n  var effectsCalled = false\n  var stateCalled = false\n  var subsCalled = false\n\n  const subscriptions = start._subscriptions = {}\n  const reducers = start._reducers = {}\n  const effects = start._effects = {}\n  const models = start._models = []\n  var _state = {}\n\n  start.model = setModel\n  start.state = getState\n  start.start = start\n  start.use = use\n  return start\n\n  // push an object of hooks onto an array\n  // obj -> null\n  function use (hooks) {\n    assert.equal(typeof hooks, 'object', 'barracks.use: hooks should be an object')\n    assert.ok(!hooks.onError || typeof hooks.onError === 'function', 'barracks.use: onError should be undefined or a function')\n    assert.ok(!hooks.onAction || typeof hooks.onAction === 'function', 'barracks.use: onAction should be undefined or a function')\n    assert.ok(!hooks.onStateChange || typeof hooks.onStateChange === 'function', 'barracks.use: onStateChange should be undefined or a function')\n\n    if (hooks.onStateChange) onStateChangeHooks.push(hooks.onStateChange)\n    if (hooks.onError) onErrorHooks.push(wrapOnError(hooks.onError))\n    if (hooks.onAction) onActionHooks.push(hooks.onAction)\n    if (hooks.wrapSubscriptions) subscriptionWraps.push(hooks.wrapSubscriptions)\n    if (hooks.wrapInitialState) initialStateWraps.push(hooks.wrapInitialState)\n    if (hooks.wrapReducers) reducerWraps.push(hooks.wrapReducers)\n    if (hooks.wrapEffects) effectWraps.push(hooks.wrapEffects)\n  }\n\n  // push a model to be initiated\n  // obj -> null\n  function setModel (model) {\n    assert.equal(typeof model, 'object', 'barracks.store.model: model should be an object')\n    models.push(model)\n  }\n\n  // get the current state from the store\n  // obj? -> obj\n  function getState (opts) {\n    opts = opts || {}\n    assert.equal(typeof opts, 'object', 'barracks.store.state: opts should be an object')\n\n    const state = opts.state\n    if (!opts.state && opts.freeze === false) return xtend(_state)\n    else if (!opts.state) return Object.freeze(xtend(_state))\n    assert.equal(typeof state, 'object', 'barracks.store.state: state should be an object')\n\n    const namespaces = []\n    const newState = {}\n\n    // apply all fields from the model, and namespaced fields from the passed\n    // in state\n    models.forEach(function (model) {\n      const ns = model.namespace\n      namespaces.push(ns)\n      const modelState = model.state || {}\n      if (ns) {\n        newState[ns] = newState[ns] || {}\n        apply(ns, modelState, newState)\n        newState[ns] = xtend(newState[ns], state[ns])\n      } else {\n        mutate(newState, modelState)\n      }\n    })\n\n    // now apply all fields that weren't namespaced from the passed in state\n    Object.keys(state).forEach(function (key) {\n      if (namespaces.indexOf(key) !== -1) return\n      newState[key] = state[key]\n    })\n\n    const tmpState = xtend(_state, xtend(state, newState))\n    const wrappedState = wrapHook(tmpState, initialStateWraps)\n\n    return (opts.freeze === false)\n      ? wrappedState\n      : Object.freeze(wrappedState)\n  }\n\n  // initialize the store hooks, get the send() function\n  // obj? -> fn\n  function start (opts) {\n    opts = opts || {}\n    assert.equal(typeof opts, 'object', 'barracks.store.start: opts should be undefined or an object')\n\n    // register values from the models\n    models.forEach(function (model) {\n      const ns = model.namespace\n      if (!stateCalled && model.state && opts.state !== false) {\n        const modelState = model.state || {}\n        if (ns) {\n          _state[ns] = _state[ns] || {}\n          apply(ns, modelState, _state)\n        } else {\n          mutate(_state, modelState)\n        }\n      }\n      if (!reducersCalled && model.reducers && opts.reducers !== false) {\n        apply(ns, model.reducers, reducers, function (cb) {\n          return wrapHook(cb, reducerWraps)\n        })\n      }\n      if (!effectsCalled && model.effects && opts.effects !== false) {\n        apply(ns, model.effects, effects, function (cb) {\n          return wrapHook(cb, effectWraps)\n        })\n      }\n      if (!subsCalled && model.subscriptions && opts.subscriptions !== false) {\n        apply(ns, model.subscriptions, subscriptions, function (cb, key) {\n          const send = createSend('subscription: ' + (ns ? ns + ':' + key : key))\n          cb = wrapHook(cb, subscriptionWraps)\n          cb(send, function (err) {\n            applyHook(onErrorHooks, err, _state, createSend)\n          })\n          return cb\n        })\n      }\n    })\n\n    // the state wrap is special because we want to operate on the full\n    // state rather than indvidual chunks, so we apply it outside the loop\n    if (!stateCalled && opts.state !== false) {\n      _state = wrapHook(_state, initialStateWraps)\n    }\n\n    if (!opts.noSubscriptions) subsCalled = true\n    if (!opts.noReducers) reducersCalled = true\n    if (!opts.noEffects) effectsCalled = true\n    if (!opts.noState) stateCalled = true\n\n    if (!onErrorHooks.length) onErrorHooks.push(wrapOnError(defaultOnError))\n\n    return createSend\n\n    // call an action from a view\n    // (str, bool?) -> (str, any?, fn?) -> null\n    function createSend (selfName, callOnError) {\n      assert.equal(typeof selfName, 'string', 'barracks.store.start.createSend: selfName should be a string')\n      assert.ok(!callOnError || typeof callOnError === 'boolean', 'barracks.store.start.send: callOnError should be undefined or a boolean')\n\n      return function send (name, data, cb) {\n        if (!cb && !callOnError) {\n          cb = data\n          data = null\n        }\n        data = (typeof data === 'undefined' ? null : data)\n\n        assert.equal(typeof name, 'string', 'barracks.store.start.send: name should be a string')\n        assert.ok(!cb || typeof cb === 'function', 'barracks.store.start.send: cb should be a function')\n\n        const done = callOnError ? onErrorCallback : cb\n        _send(name, data, selfName, done)\n\n        function onErrorCallback (err) {\n          err = err || null\n          if (err) {\n            applyHook(onErrorHooks, err, _state, function createSend (selfName) {\n              return function send (name, data) {\n                assert.equal(typeof name, 'string', 'barracks.store.start.send: name should be a string')\n                data = (typeof data === 'undefined' ? null : data)\n                _send(name, data, selfName, done)\n              }\n            })\n          }\n        }\n      }\n    }\n\n    // call an action\n    // (str, str, any, fn) -> null\n    function _send (name, data, caller, cb) {\n      assert.equal(typeof name, 'string', 'barracks._send: name should be a string')\n      assert.equal(typeof caller, 'string', 'barracks._send: caller should be a string')\n      assert.equal(typeof cb, 'function', 'barracks._send: cb should be a function')\n\n      setTimeout(function () {\n        var reducersCalled = false\n        var effectsCalled = false\n        const newState = xtend(_state)\n\n        if (onActionHooks.length) {\n          applyHook(onActionHooks, data, _state, name, caller, createSend)\n        }\n\n        // validate if a namespace exists. Namespaces are delimited by ':'.\n        var actionName = name\n        if (/:/.test(name)) {\n          const arr = name.split(':')\n          var ns = arr.shift()\n          actionName = arr.join(':')\n        }\n\n        const _reducers = ns ? reducers[ns] : reducers\n        if (_reducers && _reducers[actionName]) {\n          if (ns) {\n            const reducedState = _reducers[actionName](data, _state[ns])\n            newState[ns] = xtend(_state[ns], reducedState)\n          } else {\n            mutate(newState, reducers[actionName](data, _state))\n          }\n          reducersCalled = true\n          if (onStateChangeHooks.length) {\n            applyHook(onStateChangeHooks, data, newState, _state, actionName, createSend)\n          }\n          _state = newState\n          cb(null, newState)\n        }\n\n        const _effects = ns ? effects[ns] : effects\n        if (!reducersCalled && _effects && _effects[actionName]) {\n          const send = createSend('effect: ' + name)\n          if (ns) _effects[actionName](data, _state[ns], send, cb)\n          else _effects[actionName](data, _state, send, cb)\n          effectsCalled = true\n        }\n\n        if (!reducersCalled && !effectsCalled) {\n          throw new Error('Could not find action ' + actionName)\n        }\n      }, 0)\n    }\n  }\n}\n\n// compose an object conditionally\n// optionally contains a namespace\n// which is used to nest properties.\n// (str, obj, obj, fn?) -> null\nfunction apply (ns, source, target, wrap) {\n  if (ns && !target[ns]) target[ns] = {}\n  Object.keys(source).forEach(function (key) {\n    const cb = wrap ? wrap(source[key], key) : source[key]\n    if (ns) target[ns][key] = cb\n    else target[key] = cb\n  })\n}\n\n// handle errors all the way at the top of the trace\n// err? -> null\nfunction defaultOnError (err) {\n  throw err\n}\n\nfunction wrapOnError (onError) {\n  return function onErrorWrap (err, state, createSend) {\n    if (err) onError(err, state, createSend)\n  }\n}\n\n// take a apply an array of transforms onto a value. The new value\n// must be returned synchronously from the transform\n// (any, [fn]) -> any\nfunction wrapHook (value, transforms) {\n  transforms.forEach(function (transform) {\n    value = transform(value)\n  })\n  return value\n}\n","'use strict'\n\nvar document = require('global/document')\n\nmodule.exports = document.addEventListener ? ready : noop\n\nfunction ready (callback) {\n  var state = document.readyState\n  if (state === 'complete' || state === 'interactive') {\n    return setTimeout(callback, 0)\n  }\n\n  document.addEventListener('DOMContentLoaded', function onLoad () {\n    callback()\n  })\n}\n\nfunction noop () {}\n","(function (global){\nvar topLevel = typeof global !== 'undefined' ? global :\n    typeof window !== 'undefined' ? window : {}\nvar minDoc = require('min-document');\n\nif (typeof document !== 'undefined') {\n    module.exports = document;\n} else {\n    var doccy = topLevel['__GLOBAL_DOCUMENT_CACHE@4'];\n\n    if (!doccy) {\n        doccy = topLevel['__GLOBAL_DOCUMENT_CACHE@4'] = minDoc;\n    }\n\n    module.exports = doccy;\n}\n\n}).call(this,typeof global !== \"undefined\" ? global : typeof self !== \"undefined\" ? self : typeof window !== \"undefined\" ? window : {})\n//# sourceMappingURL=data:application/json;charset:utf-8;base64,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","(function (global){\nif (typeof window !== \"undefined\") {\n    module.exports = window;\n} else if (typeof global !== \"undefined\") {\n    module.exports = global;\n} else if (typeof self !== \"undefined\"){\n    module.exports = self;\n} else {\n    module.exports = {};\n}\n\n}).call(this,typeof global !== \"undefined\" ? global : typeof self !== \"undefined\" ? self : typeof window !== \"undefined\" ? window : {})\n//# sourceMappingURL=data:application/json;charset:utf-8;base64,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","module.exports = function hashMatch (hash, prefix) {\n  var pre = prefix || '/';\n  if (hash.length === 0) return pre;\n  hash = hash.replace('#', '');\n  hash = hash.replace(/\\/$/, '')\n  if (hash.indexOf('/') != 0) hash = '/' + hash;\n  if (pre == '/') return hash;\n  else return hash.replace(pre, '');\n}\n","const window = require('global/window')\nconst assert = require('assert')\n\nmodule.exports = nanoraf\n\n// Only call RAF when needed\n// (fn, fn?) -> fn\nfunction nanoraf (render, raf) {\n  assert.equal(typeof render, 'function', 'nanoraf: render should be a function')\n  assert.ok(typeof raf === 'function' || typeof raf === 'undefined', 'nanoraf: raf should be a function or undefined')\n\n  if (!raf) { raf = window.requestAnimationFrame }\n\n  var inRenderingTransaction = false\n  var redrawScheduled = false\n  var currentState = null\n\n  // pass new state to be rendered\n  // (obj, obj?) -> null\n  return function frame (state, prev) {\n    assert.equal(typeof state, 'object', 'nanoraf: state should be an object')\n    assert.equal(typeof prev, 'object', 'nanoraf: prev should be an object')\n    assert.equal(inRenderingTransaction, false, 'nanoraf: infinite loop detected')\n\n    // request a redraw for next frame\n    if (currentState === null && !redrawScheduled) {\n      redrawScheduled = true\n\n      raf(function redraw () {\n        redrawScheduled = false\n        if (!currentState) return\n\n        inRenderingTransaction = true\n        render(currentState, prev)\n        inRenderingTransaction = false\n\n        currentState = null\n      })\n    }\n\n    // update data for redraw\n    currentState = state\n  }\n}\n","const window = require('global/window')\nconst assert = require('assert')\n\nmodule.exports = hash\n\n// listen to window hashchange events\n// and update router accordingly\n// fn(cb) -> null\nfunction hash (cb) {\n  assert.equal(typeof cb, 'function', 'cb must be a function')\n  window.onhashchange = function (e) {\n    cb(window.location.hash)\n  }\n}\n","const document = require('global/document')\nconst window = require('global/window')\nconst assert = require('assert')\n\nmodule.exports = history\n\n// listen to html5 pushstate events\n// and update router accordingly\n// fn(str) -> null\nfunction history (cb) {\n  assert.equal(typeof cb, 'function', 'cb must be a function')\n  window.onpopstate = function () {\n    cb(document.location.href)\n  }\n}\n","const window = require('global/window')\nconst assert = require('assert')\n\nmodule.exports = href\n\n// handle a click if is anchor tag with an href\n// and url lives on the same domain. Replaces\n// trailing '#' so empty links work as expected.\n// fn(str) -> null\nfunction href (cb) {\n  assert.equal(typeof cb, 'function', 'cb must be a function')\n\n  window.onclick = function (e) {\n    const node = (function traverse (node) {\n      if (!node) return\n      if (node.localName !== 'a') return traverse(node.parentNode)\n      if (node.href === undefined) return traverse(node.parentNode)\n      if (window.location.host !== node.host) return traverse(node.parentNode)\n      return node\n    })(e.target)\n\n    if (!node) return\n\n    e.preventDefault()\n    const href = node.href.replace(/#$/, '')\n    cb(href)\n    window.history.pushState({}, null, href)\n  }\n}\n","const pathname = require('pathname-match')\nconst wayfarer = require('wayfarer')\nconst assert = require('assert')\n\nmodule.exports = sheetRouter\n\n// Fast, modular client router\n// fn(str, any[..], fn?) -> fn(str, any[..])\nfunction sheetRouter (dft, createTree, createRoute) {\n  createRoute = (createRoute ? createRoute(_createRoute) : _createRoute)\n\n  if (!createTree) {\n    createTree = dft\n    dft = ''\n  }\n\n  assert.equal(typeof dft, 'string', 'sheet-router: dft must be a string')\n  assert.equal(typeof createTree, 'function', 'sheet-router: createTree must be a function')\n  assert.equal(typeof createRoute, 'function', 'sheet-router: createRoute must be a function')\n\n  const router = wayfarer(dft)\n  const tree = createTree(createRoute)\n\n  // register tree in router\n  ;(function walk (tree, route) {\n    if (Array.isArray(tree[0])) {\n      // walk over all routes at the root of the tree\n      tree.forEach(function (node) {\n        walk(node, route)\n      })\n    } else if (tree[1]) {\n      // handle inline functions as args\n      const innerRoute = tree[0]\n        ? route.concat(tree[0]).join('/')\n        : route.length ? route.join('/') : tree[0]\n      router.on(innerRoute, tree[1])\n      walk(tree[2], route.concat(tree[0]))\n    } else if (Array.isArray(tree[2])) {\n      // traverse and append route\n      walk(tree[2], route.concat(tree[0]))\n    } else {\n      // register path in router\n      const nwRoute = tree[0]\n        ? route.concat(tree[0]).join('/')\n        : route.length ? route.join('/') : tree[0]\n      router.on(nwRoute, tree[2])\n    }\n  })(tree, [])\n\n  // match a route on the router\n  return function match (route) {\n    assert.equal(typeof route, 'string', 'route must be a string')\n    const args = [].slice.call(arguments)\n    args[0] = pathname(args[0])\n    return router.apply(null, args)\n  }\n}\n\n// register regular route\nfunction _createRoute (route, inline, child) {\n  if (!child) {\n    child = inline\n    inline = null\n  }\n  assert.equal(typeof route, 'string', 'route must be a string')\n  assert.ok(child, 'child exists')\n  route = route.replace(/^\\//, '')\n  return [ route, inline, child ]\n}\n","const assert = require('assert')\n\nmodule.exports = match\n\n// get url path section from a url\n// strip querystrings / hashes\n// strip protocol\n// strip hostname and port (both ip and route)\n// str -> str\nfunction match (route) {\n  assert.equal(typeof route, 'string')\n\n  return route.trim()\n    .replace(/[\\?|#].*$/, '')\n    .replace(/^(?:https?\\:)\\/\\//, '')\n    .replace(/^.*?(\\/.*)/, '$1')\n    .replace(/\\/$/, '')\n}\n","const assert = require('assert')\nconst trie = require('./trie')\n\nmodule.exports = Wayfarer\n\n// create a router\n// str -> obj\nfunction Wayfarer (dft) {\n  if (!(this instanceof Wayfarer)) return new Wayfarer(dft)\n\n  const _default = (dft || '').replace(/^\\//, '')\n  const _trie = trie()\n\n  emit._trie = _trie\n  emit.emit = emit\n  emit.on = on\n  emit._wayfarer = true\n\n  return emit\n\n  // define a route\n  // (str, fn) -> obj\n  function on (route, cb) {\n    assert.equal(typeof route, 'string')\n    assert.equal(typeof cb, 'function')\n\n    route = route || '/'\n\n    if (cb && cb._wayfarer && cb._trie) {\n      _trie.mount(route, cb._trie.trie)\n    } else {\n      const node = _trie.create(route)\n      node.cb = cb\n    }\n\n    return emit\n  }\n\n  // match and call a route\n  // (str, obj?) -> null\n  function emit (route) {\n    assert.notEqual(route, undefined, \"'route' must be defined\")\n    const args = new Array(arguments.length)\n    for (var i = 1; i < args.length; i++) {\n      args[i] = arguments[i]\n    }\n\n    const node = _trie.match(route)\n    if (node && node.cb) {\n      args[0] = node.params\n      return node.cb.apply(null, args)\n    }\n\n    const dft = _trie.match(_default)\n    if (dft && dft.cb) {\n      args[0] = dft.params\n      return dft.cb.apply(null, args)\n    }\n\n    throw new Error(\"route '\" + route + \"' did not match\")\n  }\n}\n","const mutate = require('xtend/mutable')\nconst assert = require('assert')\nconst xtend = require('xtend')\n\nmodule.exports = Trie\n\n// create a new trie\n// null -> obj\nfunction Trie () {\n  if (!(this instanceof Trie)) return new Trie()\n  this.trie = { nodes: {} }\n}\n\n// create a node on the trie at route\n// and return a node\n// str -> null\nTrie.prototype.create = function (route) {\n  assert.equal(typeof route, 'string', 'route should be a string')\n  // strip leading '/' and split routes\n  const routes = route.replace(/^\\//, '').split('/')\n  return (function createNode (index, trie, routes) {\n    const route = routes[index]\n\n    if (route === undefined) return trie\n\n    var node = null\n    if (/^:/.test(route)) {\n      // if node is a name match, set name and append to ':' node\n      if (!trie.nodes['$$']) {\n        node = { nodes: {} }\n        trie.nodes['$$'] = node\n      } else {\n        node = trie.nodes['$$']\n      }\n      trie.name = route.replace(/^:/, '')\n    } else if (!trie.nodes[route]) {\n      node = { nodes: {} }\n      trie.nodes[route] = node\n    } else {\n      node = trie.nodes[route]\n    }\n\n    // we must recurse deeper\n    return createNode(index + 1, node, routes)\n  })(0, this.trie, routes)\n}\n\n// match a route on the trie\n// and return the node\n// str -> obj\nTrie.prototype.match = function (route) {\n  assert.equal(typeof route, 'string', 'route should be a string')\n\n  const routes = route.replace(/^\\//, '').split('/')\n  const params = {}\n\n  var node = (function search (index, trie) {\n    // either there's no match, or we're done searching\n    if (trie === undefined) return undefined\n    const route = routes[index]\n    if (route === undefined) return trie\n\n    if (trie.nodes[route]) {\n      // match regular routes first\n      return search(index + 1, trie.nodes[route])\n    } else if (trie.name) {\n      // match named routes\n      params[trie.name] = route\n      return search(index + 1, trie.nodes['$$'])\n    } else {\n      // no matches found\n      return search(index + 1)\n    }\n  })(0, this.trie)\n\n  if (!node) return undefined\n  node = xtend(node)\n  node.params = params\n  return node\n}\n\n// mount a trie onto a node at route\n// (str, obj) -> null\nTrie.prototype.mount = function (route, trie) {\n  assert.equal(typeof route, 'string', 'route should be a string')\n  assert.equal(typeof trie, 'object', 'trie should be a object')\n\n  const split = route.replace(/^\\//, '').split('/')\n  var node = null\n  var key = null\n\n  if (split.length === 1) {\n    key = split[0]\n    node = this.create(key)\n  } else {\n    const headArr = split.splice(0, split.length - 1)\n    const head = headArr.join('/')\n    key = split[0]\n    node = this.create(head)\n  }\n\n  mutate(node.nodes, trie.nodes)\n  if (trie.name) node.name = trie.name\n\n  // delegate properties from '/' to the new node\n  // '/' cannot be reached once mounted\n  if (node.nodes['']) {\n    Object.keys(node.nodes['']).forEach(function (key) {\n      if (key === 'nodes') return\n      node[key] = node.nodes[''][key]\n    })\n    mutate(node.nodes, node.nodes[''].nodes)\n    delete node.nodes[''].nodes\n  }\n}\n","module.exports = extend\n\nvar hasOwnProperty = Object.prototype.hasOwnProperty;\n\nfunction extend() {\n    var target = {}\n\n    for (var i = 0; i < arguments.length; i++) {\n        var source = arguments[i]\n\n        for (var key in source) {\n            if (hasOwnProperty.call(source, key)) {\n                target[key] = source[key]\n            }\n        }\n    }\n\n    return target\n}\n","module.exports = extend\n\nvar hasOwnProperty = Object.prototype.hasOwnProperty;\n\nfunction extend(target) {\n    for (var i = 1; i < arguments.length; i++) {\n        var source = arguments[i]\n\n        for (var key in source) {\n            if (hasOwnProperty.call(source, key)) {\n                target[key] = source[key]\n            }\n        }\n    }\n\n    return target\n}\n","var bel = require('bel') // turns template tag into DOM elements\nvar morphdom = require('morphdom') // efficiently diffs + morphs two DOM elements\nvar defaultEvents = require('./update-events.js') // default events to be copied when dom elements update\n\nmodule.exports = bel\n\n// TODO move this + defaultEvents to a new module once we receive more feedback\nmodule.exports.update = function (fromNode, toNode, opts) {\n  if (!opts) opts = {}\n  if (opts.events !== false) {\n    if (!opts.onBeforeElUpdated) opts.onBeforeElUpdated = copier\n  }\n\n  return morphdom(fromNode, toNode, opts)\n\n  // morphdom only copies attributes. we decided we also wanted to copy events\n  // that can be set via attributes\n  function copier (f, t) {\n    // copy events:\n    var events = opts.events || defaultEvents\n    for (var i = 0; i < events.length; i++) {\n      var ev = events[i]\n      if (t[ev]) { // if new element has a whitelisted attribute\n        f[ev] = t[ev] // update existing element\n      } else if (f[ev]) { // if existing element has it and new one doesnt\n        f[ev] = undefined // remove it from existing element\n      }\n    }\n    // copy values for form elements\n    if ((f.nodeName === 'INPUT' && f.type !== 'file') || f.nodeName === 'TEXTAREA' || f.nodeName === 'SELECT') {\n      if (t.getAttribute('value') === null) t.value = f.value\n    }\n  }\n}\n","var document = require('global/document')\r\nvar hyperx = require('hyperx')\r\nvar onload = require('on-load')\r\n\r\nvar SVGNS = 'http://www.w3.org/2000/svg'\r\nvar XLINKNS = 'http://www.w3.org/1999/xlink'\r\n\r\nvar BOOL_PROPS = {\r\n  autofocus: 1,\r\n  checked: 1,\r\n  defaultchecked: 1,\r\n  disabled: 1,\r\n  formnovalidate: 1,\r\n  indeterminate: 1,\r\n  readonly: 1,\r\n  required: 1,\r\n  selected: 1,\r\n  willvalidate: 1\r\n}\r\nvar SVG_TAGS = [\r\n  'svg',\r\n  'altGlyph', 'altGlyphDef', 'altGlyphItem', 'animate', 'animateColor',\r\n  'animateMotion', 'animateTransform', 'circle', 'clipPath', 'color-profile',\r\n  'cursor', 'defs', 'desc', 'ellipse', 'feBlend', 'feColorMatrix',\r\n  'feComponentTransfer', 'feComposite', 'feConvolveMatrix', 'feDiffuseLighting',\r\n  'feDisplacementMap', 'feDistantLight', 'feFlood', 'feFuncA', 'feFuncB',\r\n  'feFuncG', 'feFuncR', 'feGaussianBlur', 'feImage', 'feMerge', 'feMergeNode',\r\n  'feMorphology', 'feOffset', 'fePointLight', 'feSpecularLighting',\r\n  'feSpotLight', 'feTile', 'feTurbulence', 'filter', 'font', 'font-face',\r\n  'font-face-format', 'font-face-name', 'font-face-src', 'font-face-uri',\r\n  'foreignObject', 'g', 'glyph', 'glyphRef', 'hkern', 'image', 'line',\r\n  'linearGradient', 'marker', 'mask', 'metadata', 'missing-glyph', 'mpath',\r\n  'path', 'pattern', 'polygon', 'polyline', 'radialGradient', 'rect',\r\n  'set', 'stop', 'switch', 'symbol', 'text', 'textPath', 'title', 'tref',\r\n  'tspan', 'use', 'view', 'vkern'\r\n]\r\n\r\nfunction belCreateElement (tag, props, children) {\r\n  var el\r\n\r\n  // If an svg tag, it needs a namespace\r\n  if (SVG_TAGS.indexOf(tag) !== -1) {\r\n    props.namespace = SVGNS\r\n  }\r\n\r\n  // If we are using a namespace\r\n  var ns = false\r\n  if (props.namespace) {\r\n    ns = props.namespace\r\n    delete props.namespace\r\n  }\r\n\r\n  // Create the element\r\n  if (ns) {\r\n    el = document.createElementNS(ns, tag)\r\n  } else {\r\n    el = document.createElement(tag)\r\n  }\r\n\r\n  // If adding onload events\r\n  if (props.onload || props.onunload) {\r\n    var load = props.onload || function () {}\r\n    var unload = props.onunload || function () {}\r\n    onload(el, function belOnload () {\r\n      load(el)\r\n    }, function belOnunload () {\r\n      unload(el)\r\n    },\r\n    // We have to use non-standard `caller` to find who invokes `belCreateElement`\r\n    belCreateElement.caller.caller.caller)\r\n    delete props.onload\r\n    delete props.onunload\r\n  }\r\n\r\n  // Create the properties\r\n  for (var p in props) {\r\n    if (props.hasOwnProperty(p)) {\r\n      var key = p.toLowerCase()\r\n      var val = props[p]\r\n      // Normalize className\r\n      if (key === 'classname') {\r\n        key = 'class'\r\n        p = 'class'\r\n      }\r\n      // The for attribute gets transformed to htmlFor, but we just set as for\r\n      if (p === 'htmlFor') {\r\n        p = 'for'\r\n      }\r\n      // If a property is boolean, set itself to the key\r\n      if (BOOL_PROPS[key]) {\r\n        if (val === 'true') val = key\r\n        else if (val === 'false') continue\r\n      }\r\n      // If a property prefers being set directly vs setAttribute\r\n      if (key.slice(0, 2) === 'on') {\r\n        el[p] = val\r\n      } else {\r\n        if (ns) {\r\n          if (p === 'xlink:href') {\r\n            el.setAttributeNS(XLINKNS, p, val)\r\n          } else {\r\n            el.setAttributeNS(null, p, val)\r\n          }\r\n        } else {\r\n          el.setAttribute(p, val)\r\n        }\r\n      }\r\n    }\r\n  }\r\n\r\n  function appendChild (childs) {\r\n    if (!Array.isArray(childs)) return\r\n    for (var i = 0; i < childs.length; i++) {\r\n      var node = childs[i]\r\n      if (Array.isArray(node)) {\r\n        appendChild(node)\r\n        continue\r\n      }\r\n\r\n      if (typeof node === 'number' ||\r\n        typeof node === 'boolean' ||\r\n        node instanceof Date ||\r\n        node instanceof RegExp) {\r\n        node = node.toString()\r\n      }\r\n\r\n      if (typeof node === 'string') {\r\n        if (el.lastChild && el.lastChild.nodeName === '#text') {\r\n          el.lastChild.nodeValue += node\r\n          continue\r\n        }\r\n        node = document.createTextNode(node)\r\n      }\r\n\r\n      if (node && node.nodeType) {\r\n        el.appendChild(node)\r\n      }\r\n    }\r\n  }\r\n  appendChild(children)\r\n\r\n  return el\r\n}\r\n\r\nmodule.exports = hyperx(belCreateElement)\r\nmodule.exports.createElement = belCreateElement\r\n","var attrToProp = require('hyperscript-attribute-to-property')\n\nvar VAR = 0, TEXT = 1, OPEN = 2, CLOSE = 3, ATTR = 4\nvar ATTR_KEY = 5, ATTR_KEY_W = 6\nvar ATTR_VALUE_W = 7, ATTR_VALUE = 8\nvar ATTR_VALUE_SQ = 9, ATTR_VALUE_DQ = 10\nvar ATTR_EQ = 11, ATTR_BREAK = 12\n\nmodule.exports = function (h, opts) {\n  h = attrToProp(h)\n  if (!opts) opts = {}\n  var concat = opts.concat || function (a, b) {\n    return String(a) + String(b)\n  }\n\n  return function (strings) {\n    var state = TEXT, reg = ''\n    var arglen = arguments.length\n    var parts = []\n\n    for (var i = 0; i < strings.length; i++) {\n      if (i < arglen - 1) {\n        var arg = arguments[i+1]\n        var p = parse(strings[i])\n        var xstate = state\n        if (xstate === ATTR_VALUE_DQ) xstate = ATTR_VALUE\n        if (xstate === ATTR_VALUE_SQ) xstate = ATTR_VALUE\n        if (xstate === ATTR_VALUE_W) xstate = ATTR_VALUE\n        if (xstate === ATTR) xstate = ATTR_KEY\n        p.push([ VAR, xstate, arg ])\n        parts.push.apply(parts, p)\n      } else parts.push.apply(parts, parse(strings[i]))\n    }\n\n    var tree = [null,{},[]]\n    var stack = [[tree,-1]]\n    for (var i = 0; i < parts.length; i++) {\n      var cur = stack[stack.length-1][0]\n      var p = parts[i], s = p[0]\n      if (s === OPEN && /^\\//.test(p[1])) {\n        var ix = stack[stack.length-1][1]\n        if (stack.length > 1) {\n          stack.pop()\n          stack[stack.length-1][0][2][ix] = h(\n            cur[0], cur[1], cur[2].length ? cur[2] : undefined\n          )\n        }\n      } else if (s === OPEN) {\n        var c = [p[1],{},[]]\n        cur[2].push(c)\n        stack.push([c,cur[2].length-1])\n      } else if (s === ATTR_KEY || (s === VAR && p[1] === ATTR_KEY)) {\n        var key = ''\n        var copyKey\n        for (; i < parts.length; i++) {\n          if (parts[i][0] === ATTR_KEY) {\n            key = concat(key, parts[i][1])\n          } else if (parts[i][0] === VAR && parts[i][1] === ATTR_KEY) {\n            if (typeof parts[i][2] === 'object' && !key) {\n              for (copyKey in parts[i][2]) {\n                if (parts[i][2].hasOwnProperty(copyKey) && !cur[1][copyKey]) {\n                  cur[1][copyKey] = parts[i][2][copyKey]\n                }\n              }\n            } else {\n              key = concat(key, parts[i][2])\n            }\n          } else break\n        }\n        if (parts[i][0] === ATTR_EQ) i++\n        var j = i\n        for (; i < parts.length; i++) {\n          if (parts[i][0] === ATTR_VALUE || parts[i][0] === ATTR_KEY) {\n            if (!cur[1][key]) cur[1][key] = strfn(parts[i][1])\n            else cur[1][key] = concat(cur[1][key], parts[i][1])\n          } else if (parts[i][0] === VAR\n          && (parts[i][1] === ATTR_VALUE || parts[i][1] === ATTR_KEY)) {\n            if (!cur[1][key]) cur[1][key] = strfn(parts[i][2])\n            else cur[1][key] = concat(cur[1][key], parts[i][2])\n          } else {\n            if (key.length && !cur[1][key] && i === j\n            && (parts[i][0] === CLOSE || parts[i][0] === ATTR_BREAK)) {\n              // https://html.spec.whatwg.org/multipage/infrastructure.html#boolean-attributes\n              // empty string is falsy, not well behaved value in browser\n              cur[1][key] = key.toLowerCase()\n            }\n            break\n          }\n        }\n      } else if (s === ATTR_KEY) {\n        cur[1][p[1]] = true\n      } else if (s === VAR && p[1] === ATTR_KEY) {\n        cur[1][p[2]] = true\n      } else if (s === CLOSE) {\n        if (selfClosing(cur[0]) && stack.length) {\n          var ix = stack[stack.length-1][1]\n          stack.pop()\n          stack[stack.length-1][0][2][ix] = h(\n            cur[0], cur[1], cur[2].length ? cur[2] : undefined\n          )\n        }\n      } else if (s === VAR && p[1] === TEXT) {\n        if (p[2] === undefined || p[2] === null) p[2] = ''\n        else if (!p[2]) p[2] = concat('', p[2])\n        if (Array.isArray(p[2][0])) {\n          cur[2].push.apply(cur[2], p[2])\n        } else {\n          cur[2].push(p[2])\n        }\n      } else if (s === TEXT) {\n        cur[2].push(p[1])\n      } else if (s === ATTR_EQ || s === ATTR_BREAK) {\n        // no-op\n      } else {\n        throw new Error('unhandled: ' + s)\n      }\n    }\n\n    if (tree[2].length > 1 && /^\\s*$/.test(tree[2][0])) {\n      tree[2].shift()\n    }\n\n    if (tree[2].length > 2\n    || (tree[2].length === 2 && /\\S/.test(tree[2][1]))) {\n      throw new Error(\n        'multiple root elements must be wrapped in an enclosing tag'\n      )\n    }\n    if (Array.isArray(tree[2][0]) && typeof tree[2][0][0] === 'string'\n    && Array.isArray(tree[2][0][2])) {\n      tree[2][0] = h(tree[2][0][0], tree[2][0][1], tree[2][0][2])\n    }\n    return tree[2][0]\n\n    function parse (str) {\n      var res = []\n      if (state === ATTR_VALUE_W) state = ATTR\n      for (var i = 0; i < str.length; i++) {\n        var c = str.charAt(i)\n        if (state === TEXT && c === '<') {\n          if (reg.length) res.push([TEXT, reg])\n          reg = ''\n          state = OPEN\n        } else if (c === '>' && !quot(state)) {\n          if (state === OPEN) {\n            res.push([OPEN,reg])\n          } else if (state === ATTR_KEY) {\n            res.push([ATTR_KEY,reg])\n          } else if (state === ATTR_VALUE && reg.length) {\n            res.push([ATTR_VALUE,reg])\n          }\n          res.push([CLOSE])\n          reg = ''\n          state = TEXT\n        } else if (state === TEXT) {\n          reg += c\n        } else if (state === OPEN && /\\s/.test(c)) {\n          res.push([OPEN, reg])\n          reg = ''\n          state = ATTR\n        } else if (state === OPEN) {\n          reg += c\n        } else if (state === ATTR && /[\\w-]/.test(c)) {\n          state = ATTR_KEY\n          reg = c\n        } else if (state === ATTR && /\\s/.test(c)) {\n          if (reg.length) res.push([ATTR_KEY,reg])\n          res.push([ATTR_BREAK])\n        } else if (state === ATTR_KEY && /\\s/.test(c)) {\n          res.push([ATTR_KEY,reg])\n          reg = ''\n          state = ATTR_KEY_W\n        } else if (state === ATTR_KEY && c === '=') {\n          res.push([ATTR_KEY,reg],[ATTR_EQ])\n          reg = ''\n          state = ATTR_VALUE_W\n        } else if (state === ATTR_KEY) {\n          reg += c\n        } else if ((state === ATTR_KEY_W || state === ATTR) && c === '=') {\n          res.push([ATTR_EQ])\n          state = ATTR_VALUE_W\n        } else if ((state === ATTR_KEY_W || state === ATTR) && !/\\s/.test(c)) {\n          res.push([ATTR_BREAK])\n          if (/[\\w-]/.test(c)) {\n            reg += c\n            state = ATTR_KEY\n          } else state = ATTR\n        } else if (state === ATTR_VALUE_W && c === '\"') {\n          state = ATTR_VALUE_DQ\n        } else if (state === ATTR_VALUE_W && c === \"'\") {\n          state = ATTR_VALUE_SQ\n        } else if (state === ATTR_VALUE_DQ && c === '\"') {\n          res.push([ATTR_VALUE,reg],[ATTR_BREAK])\n          reg = ''\n          state = ATTR\n        } else if (state === ATTR_VALUE_SQ && c === \"'\") {\n          res.push([ATTR_VALUE,reg],[ATTR_BREAK])\n          reg = ''\n          state = ATTR\n        } else if (state === ATTR_VALUE_W && !/\\s/.test(c)) {\n          state = ATTR_VALUE\n          i--\n        } else if (state === ATTR_VALUE && /\\s/.test(c)) {\n          res.push([ATTR_VALUE,reg],[ATTR_BREAK])\n          reg = ''\n          state = ATTR\n        } else if (state === ATTR_VALUE || state === ATTR_VALUE_SQ\n        || state === ATTR_VALUE_DQ) {\n          reg += c\n        }\n      }\n      if (state === TEXT && reg.length) {\n        res.push([TEXT,reg])\n        reg = ''\n      } else if (state === ATTR_VALUE && reg.length) {\n        res.push([ATTR_VALUE,reg])\n        reg = ''\n      } else if (state === ATTR_VALUE_DQ && reg.length) {\n        res.push([ATTR_VALUE,reg])\n        reg = ''\n      } else if (state === ATTR_VALUE_SQ && reg.length) {\n        res.push([ATTR_VALUE,reg])\n        reg = ''\n      } else if (state === ATTR_KEY) {\n        res.push([ATTR_KEY,reg])\n        reg = ''\n      }\n      return res\n    }\n  }\n\n  function strfn (x) {\n    if (typeof x === 'function') return x\n    else if (typeof x === 'string') return x\n    else if (x && typeof x === 'object') return x\n    else return concat('', x)\n  }\n}\n\nfunction quot (state) {\n  return state === ATTR_VALUE_SQ || state === ATTR_VALUE_DQ\n}\n\nvar hasOwn = Object.prototype.hasOwnProperty\nfunction has (obj, key) { return hasOwn.call(obj, key) }\n\nvar closeRE = RegExp('^(' + [\n  'area', 'base', 'basefont', 'bgsound', 'br', 'col', 'command', 'embed',\n  'frame', 'hr', 'img', 'input', 'isindex', 'keygen', 'link', 'meta', 'param',\n  'source', 'track', 'wbr',\n  // SVG TAGS\n  'animate', 'animateTransform', 'circle', 'cursor', 'desc', 'ellipse',\n  'feBlend', 'feColorMatrix', 'feComposite',\n  'feConvolveMatrix', 'feDiffuseLighting', 'feDisplacementMap',\n  'feDistantLight', 'feFlood', 'feFuncA', 'feFuncB', 'feFuncG', 'feFuncR',\n  'feGaussianBlur', 'feImage', 'feMergeNode', 'feMorphology',\n  'feOffset', 'fePointLight', 'feSpecularLighting', 'feSpotLight', 'feTile',\n  'feTurbulence', 'font-face-format', 'font-face-name', 'font-face-uri',\n  'glyph', 'glyphRef', 'hkern', 'image', 'line', 'missing-glyph', 'mpath',\n  'path', 'polygon', 'polyline', 'rect', 'set', 'stop', 'tref', 'use', 'view',\n  'vkern'\n].join('|') + ')(?:[\\.#][a-zA-Z0-9\\u007F-\\uFFFF_:-]+)*$')\nfunction selfClosing (tag) { return closeRE.test(tag) }\n","module.exports = attributeToProperty\n\nvar transform = {\n  'class': 'className',\n  'for': 'htmlFor',\n  'http-equiv': 'httpEquiv'\n}\n\nfunction attributeToProperty (h) {\n  return function (tagName, attrs, children) {\n    for (var attr in attrs) {\n      if (attr in transform) {\n        attrs[transform[attr]] = attrs[attr]\n        delete attrs[attr]\n      }\n    }\n    return h(tagName, attrs, children)\n  }\n}\n","/* global MutationObserver */\nvar document = require('global/document')\nvar window = require('global/window')\nvar watch = Object.create(null)\nvar KEY_ID = 'onloadid' + (new Date() % 9e6).toString(36)\nvar KEY_ATTR = 'data-' + KEY_ID\nvar INDEX = 0\n\nif (window && window.MutationObserver) {\n  var observer = new MutationObserver(function (mutations) {\n    if (Object.keys(watch).length < 1) return\n    for (var i = 0; i < mutations.length; i++) {\n      if (mutations[i].attributeName === KEY_ATTR) {\n        eachAttr(mutations[i], turnon, turnoff)\n        continue\n      }\n      eachMutation(mutations[i].removedNodes, turnoff)\n      eachMutation(mutations[i].addedNodes, turnon)\n    }\n  })\n  observer.observe(document.body, {\n    childList: true,\n    subtree: true,\n    attributes: true,\n    attributeOldValue: true,\n    attributeFilter: [KEY_ATTR]\n  })\n}\n\nmodule.exports = function onload (el, on, off, caller) {\n  on = on || function () {}\n  off = off || function () {}\n  el.setAttribute(KEY_ATTR, 'o' + INDEX)\n  watch['o' + INDEX] = [on, off, 0, caller || onload.caller]\n  INDEX += 1\n  return el\n}\n\nfunction turnon (index, el) {\n  if (watch[index][0] && watch[index][2] === 0) {\n    watch[index][0](el)\n    watch[index][2] = 1\n  }\n}\n\nfunction turnoff (index, el) {\n  if (watch[index][1] && watch[index][2] === 1) {\n    watch[index][1](el)\n    watch[index][2] = 0\n  }\n}\n\nfunction eachAttr (mutation, on, off) {\n  var newValue = mutation.target.getAttribute(KEY_ATTR)\n  if (sameOrigin(mutation.oldValue, newValue)) {\n    watch[newValue] = watch[mutation.oldValue]\n    return\n  }\n  if (watch[mutation.oldValue]) {\n    off(mutation.oldValue, mutation.target)\n  }\n  if (watch[newValue]) {\n    on(newValue, mutation.target)\n  }\n}\n\nfunction sameOrigin (oldValue, newValue) {\n  if (!oldValue || !newValue) return false\n  return watch[oldValue][3] === watch[newValue][3]\n}\n\nfunction eachMutation (nodes, fn) {\n  var keys = Object.keys(watch)\n  for (var i = 0; i < nodes.length; i++) {\n    if (nodes[i] && nodes[i].getAttribute && nodes[i].getAttribute(KEY_ATTR)) {\n      var onloadid = nodes[i].getAttribute(KEY_ATTR)\n      keys.forEach(function (k) {\n        if (onloadid === k) {\n          fn(k, nodes[i])\n        }\n      })\n    }\n    if (nodes[i].childNodes.length > 0) {\n      eachMutation(nodes[i].childNodes, fn)\n    }\n  }\n}\n","'use strict';\n// Create a range object for efficently rendering strings to elements.\nvar range;\n\nvar doc = typeof document !== 'undefined' && document;\n\nvar testEl = doc ?\n    doc.body || doc.createElement('div') :\n    {};\n\nvar NS_XHTML = 'http://www.w3.org/1999/xhtml';\n\nvar ELEMENT_NODE = 1;\nvar TEXT_NODE = 3;\nvar COMMENT_NODE = 8;\n\n// Fixes <https://github.com/patrick-steele-idem/morphdom/issues/32>\n// (IE7+ support) <=IE7 does not support el.hasAttribute(name)\nvar hasAttributeNS;\n\nif (testEl.hasAttributeNS) {\n    hasAttributeNS = function(el, namespaceURI, name) {\n        return el.hasAttributeNS(namespaceURI, name);\n    };\n} else if (testEl.hasAttribute) {\n    hasAttributeNS = function(el, namespaceURI, name) {\n        return el.hasAttribute(name);\n    };\n} else {\n    hasAttributeNS = function(el, namespaceURI, name) {\n        return !!el.getAttributeNode(name);\n    };\n}\n\nfunction toElement(str) {\n    if (!range && doc.createRange) {\n        range = doc.createRange();\n        range.selectNode(doc.body);\n    }\n\n    var fragment;\n    if (range && range.createContextualFragment) {\n        fragment = range.createContextualFragment(str);\n    } else {\n        fragment = doc.createElement('body');\n        fragment.innerHTML = str;\n    }\n    return fragment.childNodes[0];\n}\n\nfunction syncBooleanAttrProp(fromEl, toEl, name) {\n    if (fromEl[name] !== toEl[name]) {\n        fromEl[name] = toEl[name];\n        if (fromEl[name]) {\n            fromEl.setAttribute(name, '');\n        } else {\n            fromEl.removeAttribute(name, '');\n        }\n    }\n}\n\nvar specialElHandlers = {\n    /**\n     * Needed for IE. Apparently IE doesn't think that \"selected\" is an\n     * attribute when reading over the attributes using selectEl.attributes\n     */\n    OPTION: function(fromEl, toEl) {\n        syncBooleanAttrProp(fromEl, toEl, 'selected');\n    },\n    /**\n     * The \"value\" attribute is special for the <input> element since it sets\n     * the initial value. Changing the \"value\" attribute without changing the\n     * \"value\" property will have no effect since it is only used to the set the\n     * initial value.  Similar for the \"checked\" attribute, and \"disabled\".\n     */\n    INPUT: function(fromEl, toEl) {\n        syncBooleanAttrProp(fromEl, toEl, 'checked');\n        syncBooleanAttrProp(fromEl, toEl, 'disabled');\n\n        if (fromEl.value !== toEl.value) {\n            fromEl.value = toEl.value;\n        }\n\n        if (!hasAttributeNS(toEl, null, 'value')) {\n            fromEl.removeAttribute('value');\n        }\n    },\n\n    TEXTAREA: function(fromEl, toEl) {\n        var newValue = toEl.value;\n        if (fromEl.value !== newValue) {\n            fromEl.value = newValue;\n        }\n\n        if (fromEl.firstChild) {\n            fromEl.firstChild.nodeValue = newValue;\n        }\n    }\n};\n\nfunction noop() {}\n\n/**\n * Returns true if two node's names are the same.\n *\n * NOTE: We don't bother checking `namespaceURI` because you will never find two HTML elements with the same\n *       nodeName and different namespace URIs.\n *\n * @param {Element} a\n * @param {Element} b The target element\n * @return {boolean}\n */\nfunction compareNodeNames(fromEl, toEl) {\n    var fromNodeName = fromEl.nodeName;\n    var toNodeName = toEl.nodeName;\n\n    if (fromNodeName === toNodeName) {\n        return true;\n    }\n\n    if (toEl.actualize &&\n        fromNodeName.charCodeAt(0) < 91 && /* from tag name is upper case */\n        toNodeName.charCodeAt(0) > 90 /* target tag name is lower case */) {\n        // If the target element is a virtual DOM node then we may need to normalize the tag name\n        // before comparing. Normal HTML elements that are in the \"http://www.w3.org/1999/xhtml\"\n        // are converted to upper case\n        return fromNodeName === toNodeName.toUpperCase();\n    } else {\n        return false;\n    }\n}\n\n/**\n * Create an element, optionally with a known namespace URI.\n *\n * @param {string} name the element name, e.g. 'div' or 'svg'\n * @param {string} [namespaceURI] the element's namespace URI, i.e. the value of\n * its `xmlns` attribute or its inferred namespace.\n *\n * @return {Element}\n */\nfunction createElementNS(name, namespaceURI) {\n    return !namespaceURI || namespaceURI === NS_XHTML ?\n        doc.createElement(name) :\n        doc.createElementNS(namespaceURI, name);\n}\n\n/**\n * Loop over all of the attributes on the target node and make sure the original\n * DOM node has the same attributes. If an attribute found on the original node\n * is not on the new node then remove it from the original node.\n *\n * @param  {Element} fromNode\n * @param  {Element} toNode\n */\nfunction morphAttrs(fromNode, toNode) {\n    var attrs = toNode.attributes;\n    var i;\n    var attr;\n    var attrName;\n    var attrNamespaceURI;\n    var attrValue;\n    var fromValue;\n\n    if (toNode.assignAttributes) {\n        toNode.assignAttributes(fromNode);\n    } else {\n        for (i = attrs.length - 1; i >= 0; --i) {\n            attr = attrs[i];\n            attrName = attr.name;\n            attrNamespaceURI = attr.namespaceURI;\n            attrValue = attr.value;\n\n            if (attrNamespaceURI) {\n                attrName = attr.localName || attrName;\n                fromValue = fromNode.getAttributeNS(attrNamespaceURI, attrName);\n\n                if (fromValue !== attrValue) {\n                    fromNode.setAttributeNS(attrNamespaceURI, attrName, attrValue);\n                }\n            } else {\n                fromValue = fromNode.getAttribute(attrName);\n\n                if (fromValue !== attrValue) {\n                    fromNode.setAttribute(attrName, attrValue);\n                }\n            }\n        }\n    }\n\n    // Remove any extra attributes found on the original DOM element that\n    // weren't found on the target element.\n    attrs = fromNode.attributes;\n\n    for (i = attrs.length - 1; i >= 0; --i) {\n        attr = attrs[i];\n        if (attr.specified !== false) {\n            attrName = attr.name;\n            attrNamespaceURI = attr.namespaceURI;\n\n            if (attrNamespaceURI) {\n                attrName = attr.localName || attrName;\n\n                if (!hasAttributeNS(toNode, attrNamespaceURI, attrName)) {\n                    fromNode.removeAttributeNS(attrNamespaceURI, attrName);\n                }\n            } else {\n                if (!hasAttributeNS(toNode, null, attrName)) {\n                    fromNode.removeAttribute(attrName);\n                }\n            }\n        }\n    }\n}\n\n/**\n * Copies the children of one DOM element to another DOM element\n */\nfunction moveChildren(fromEl, toEl) {\n    var curChild = fromEl.firstChild;\n    while (curChild) {\n        var nextChild = curChild.nextSibling;\n        toEl.appendChild(curChild);\n        curChild = nextChild;\n    }\n    return toEl;\n}\n\nfunction defaultGetNodeKey(node) {\n    return node.id;\n}\n\nfunction morphdom(fromNode, toNode, options) {\n    if (!options) {\n        options = {};\n    }\n\n    if (typeof toNode === 'string') {\n        if (fromNode.nodeName === '#document' || fromNode.nodeName === 'HTML') {\n            var toNodeHtml = toNode;\n            toNode = doc.createElement('html');\n            toNode.innerHTML = toNodeHtml;\n        } else {\n            toNode = toElement(toNode);\n        }\n    }\n\n    var getNodeKey = options.getNodeKey || defaultGetNodeKey;\n    var onBeforeNodeAdded = options.onBeforeNodeAdded || noop;\n    var onNodeAdded = options.onNodeAdded || noop;\n    var onBeforeElUpdated = options.onBeforeElUpdated || noop;\n    var onElUpdated = options.onElUpdated || noop;\n    var onBeforeNodeDiscarded = options.onBeforeNodeDiscarded || noop;\n    var onNodeDiscarded = options.onNodeDiscarded || noop;\n    var onBeforeElChildrenUpdated = options.onBeforeElChildrenUpdated || noop;\n    var childrenOnly = options.childrenOnly === true;\n\n    // This object is used as a lookup to quickly find all keyed elements in the original DOM tree.\n    var fromNodesLookup = {};\n    var keyedRemovalList;\n\n    function addKeyedRemoval(key) {\n        if (keyedRemovalList) {\n            keyedRemovalList.push(key);\n        } else {\n            keyedRemovalList = [key];\n        }\n    }\n\n    function walkDiscardedChildNodes(node, skipKeyedNodes) {\n        if (node.nodeType === ELEMENT_NODE) {\n            var curChild = node.firstChild;\n            while (curChild) {\n\n                var key = undefined;\n\n                if (skipKeyedNodes && (key = getNodeKey(curChild))) {\n                    // If we are skipping keyed nodes then we add the key\n                    // to a list so that it can be handled at the very end.\n                    addKeyedRemoval(key);\n                } else {\n                    // Only report the node as discarded if it is not keyed. We do this because\n                    // at the end we loop through all keyed elements that were unmatched\n                    // and then discard them in one final pass.\n                    onNodeDiscarded(curChild);\n                    if (curChild.firstChild) {\n                        walkDiscardedChildNodes(curChild, skipKeyedNodes);\n                    }\n                }\n\n                curChild = curChild.nextSibling;\n            }\n        }\n    }\n\n    /**\n     * Removes a DOM node out of the original DOM\n     *\n     * @param  {Node} node The node to remove\n     * @param  {Node} parentNode The nodes parent\n     * @param  {Boolean} skipKeyedNodes If true then elements with keys will be skipped and not discarded.\n     * @return {undefined}\n     */\n    function removeNode(node, parentNode, skipKeyedNodes) {\n        if (onBeforeNodeDiscarded(node) === false) {\n            return;\n        }\n\n        if (parentNode) {\n            parentNode.removeChild(node);\n        }\n\n        onNodeDiscarded(node);\n        walkDiscardedChildNodes(node, skipKeyedNodes);\n    }\n\n    // // TreeWalker implementation is no faster, but keeping this around in case this changes in the future\n    // function indexTree(root) {\n    //     var treeWalker = document.createTreeWalker(\n    //         root,\n    //         NodeFilter.SHOW_ELEMENT);\n    //\n    //     var el;\n    //     while((el = treeWalker.nextNode())) {\n    //         var key = getNodeKey(el);\n    //         if (key) {\n    //             fromNodesLookup[key] = el;\n    //         }\n    //     }\n    // }\n\n    // // NodeIterator implementation is no faster, but keeping this around in case this changes in the future\n    //\n    // function indexTree(node) {\n    //     var nodeIterator = document.createNodeIterator(node, NodeFilter.SHOW_ELEMENT);\n    //     var el;\n    //     while((el = nodeIterator.nextNode())) {\n    //         var key = getNodeKey(el);\n    //         if (key) {\n    //             fromNodesLookup[key] = el;\n    //         }\n    //     }\n    // }\n\n    function indexTree(node) {\n        if (node.nodeType === ELEMENT_NODE) {\n            var curChild = node.firstChild;\n            while (curChild) {\n                var key = getNodeKey(curChild);\n                if (key) {\n                    fromNodesLookup[key] = curChild;\n                }\n\n                // Walk recursively\n                indexTree(curChild);\n\n                curChild = curChild.nextSibling;\n            }\n        }\n    }\n\n    indexTree(fromNode);\n\n    function handleNodeAdded(el) {\n        onNodeAdded(el);\n\n        var curChild = el.firstChild;\n        while (curChild) {\n            var nextSibling = curChild.nextSibling;\n\n            var key = getNodeKey(curChild);\n            if (key) {\n                var unmatchedFromEl = fromNodesLookup[key];\n                if (unmatchedFromEl && compareNodeNames(curChild, unmatchedFromEl)) {\n                    curChild.parentNode.replaceChild(unmatchedFromEl, curChild);\n                    morphEl(unmatchedFromEl, curChild);\n                }\n            }\n\n            handleNodeAdded(curChild);\n            curChild = nextSibling;\n        }\n    }\n\n    function morphEl(fromEl, toEl, childrenOnly) {\n        var toElKey = getNodeKey(toEl);\n        var curFromNodeKey;\n\n        if (toElKey) {\n            // If an element with an ID is being morphed then it is will be in the final\n            // DOM so clear it out of the saved elements collection\n            delete fromNodesLookup[toElKey];\n        }\n\n        if (toNode.isSameNode && toNode.isSameNode(fromNode)) {\n            return;\n        }\n\n        if (!childrenOnly) {\n            if (onBeforeElUpdated(fromEl, toEl) === false) {\n                return;\n            }\n\n            morphAttrs(fromEl, toEl);\n            onElUpdated(fromEl);\n\n            if (onBeforeElChildrenUpdated(fromEl, toEl) === false) {\n                return;\n            }\n        }\n\n        if (fromEl.nodeName !== 'TEXTAREA') {\n            var curToNodeChild = toEl.firstChild;\n            var curFromNodeChild = fromEl.firstChild;\n            var curToNodeKey;\n\n            var fromNextSibling;\n            var toNextSibling;\n            var matchingFromEl;\n\n            outer: while (curToNodeChild) {\n                toNextSibling = curToNodeChild.nextSibling;\n                curToNodeKey = getNodeKey(curToNodeChild);\n\n                while (curFromNodeChild) {\n                    fromNextSibling = curFromNodeChild.nextSibling;\n\n                    if (curToNodeChild.isSameNode && curToNodeChild.isSameNode(curFromNodeChild)) {\n                        curToNodeChild = toNextSibling;\n                        curFromNodeChild = fromNextSibling;\n                        continue outer;\n                    }\n\n                    curFromNodeKey = getNodeKey(curFromNodeChild);\n\n                    var curFromNodeType = curFromNodeChild.nodeType;\n\n                    var isCompatible = undefined;\n\n                    if (curFromNodeType === curToNodeChild.nodeType) {\n                        if (curFromNodeType === ELEMENT_NODE) {\n                            // Both nodes being compared are Element nodes\n\n                            if (curToNodeKey) {\n                                // The target node has a key so we want to match it up with the correct element\n                                // in the original DOM tree\n                                if (curToNodeKey !== curFromNodeKey) {\n                                    // The current element in the original DOM tree does not have a matching key so\n                                    // let's check our lookup to see if there is a matching element in the original\n                                    // DOM tree\n                                    if ((matchingFromEl = fromNodesLookup[curToNodeKey])) {\n                                        if (curFromNodeChild.nextSibling === matchingFromEl) {\n                                            // Special case for single element removals. To avoid removing the original\n                                            // DOM node out of the tree (since that can break CSS transitions, etc.),\n                                            // we will instead discard the current node and wait until the next\n                                            // iteration to properly match up the keyed target element with its matching\n                                            // element in the original tree\n                                            isCompatible = false;\n                                        } else {\n                                            // We found a matching keyed element somewhere in the original DOM tree.\n                                            // Let's moving the original DOM node into the current position and morph\n                                            // it.\n\n                                            // NOTE: We use insertBefore instead of replaceChild because we want to go through\n                                            // the `removeNode()` function for the node that is being discarded so that\n                                            // all lifecycle hooks are correctly invoked\n                                            fromEl.insertBefore(matchingFromEl, curFromNodeChild);\n\n                                            if (curFromNodeKey) {\n                                                // Since the node is keyed it might be matched up later so we defer\n                                                // the actual removal to later\n                                                addKeyedRemoval(curFromNodeKey);\n                                            } else {\n                                                // NOTE: we skip nested keyed nodes from being removed since there is\n                                                //       still a chance they will be matched up later\n                                                removeNode(curFromNodeChild, fromEl, true /* skip keyed nodes */);\n\n                                            }\n                                            fromNextSibling = curFromNodeChild.nextSibling;\n                                            curFromNodeChild = matchingFromEl;\n                                        }\n                                    } else {\n                                        // The nodes are not compatible since the \"to\" node has a key and there\n                                        // is no matching keyed node in the source tree\n                                        isCompatible = false;\n                                    }\n                                }\n                            } else if (curFromNodeKey) {\n                                // The original has a key\n                                isCompatible = false;\n                            }\n\n                            isCompatible = isCompatible !== false && compareNodeNames(curFromNodeChild, curToNodeChild);\n                            if (isCompatible) {\n                                // We found compatible DOM elements so transform\n                                // the current \"from\" node to match the current\n                                // target DOM node.\n                                morphEl(curFromNodeChild, curToNodeChild);\n                            }\n\n                        } else if (curFromNodeType === TEXT_NODE || curFromNodeType == COMMENT_NODE) {\n                            // Both nodes being compared are Text or Comment nodes\n                            isCompatible = true;\n                            // Simply update nodeValue on the original node to\n                            // change the text value\n                            curFromNodeChild.nodeValue = curToNodeChild.nodeValue;\n                        }\n                    }\n\n                    if (isCompatible) {\n                        // Advance both the \"to\" child and the \"from\" child since we found a match\n                        curToNodeChild = toNextSibling;\n                        curFromNodeChild = fromNextSibling;\n                        continue outer;\n                    }\n\n                    // No compatible match so remove the old node from the DOM and continue trying to find a\n                    // match in the original DOM. However, we only do this if the from node is not keyed\n                    // since it is possible that a keyed node might match up with a node somewhere else in the\n                    // target tree and we don't want to discard it just yet since it still might find a\n                    // home in the final DOM tree. After everything is done we will remove any keyed nodes\n                    // that didn't find a home\n                    if (curFromNodeKey) {\n                        // Since the node is keyed it might be matched up later so we defer\n                        // the actual removal to later\n                        addKeyedRemoval(curFromNodeKey);\n                    } else {\n                        // NOTE: we skip nested keyed nodes from being removed since there is\n                        //       still a chance they will be matched up later\n                        removeNode(curFromNodeChild, fromEl, true /* skip keyed nodes */);\n                    }\n\n                    curFromNodeChild = fromNextSibling;\n                }\n\n                // If we got this far then we did not find a candidate match for\n                // our \"to node\" and we exhausted all of the children \"from\"\n                // nodes. Therefore, we will just append the current \"to\" node\n                // to the end\n                if (curToNodeKey && (matchingFromEl = fromNodesLookup[curToNodeKey]) && compareNodeNames(matchingFromEl, curToNodeChild)) {\n                    fromEl.appendChild(matchingFromEl);\n                    morphEl(matchingFromEl, curToNodeChild);\n                } else {\n                    var onBeforeNodeAddedResult = onBeforeNodeAdded(curToNodeChild);\n                    if (onBeforeNodeAddedResult !== false) {\n                        if (onBeforeNodeAddedResult) {\n                            curToNodeChild = onBeforeNodeAddedResult;\n                        }\n\n                        if (curToNodeChild.actualize) {\n                            curToNodeChild = curToNodeChild.actualize(fromEl.ownerDocument || doc);\n                        }\n                        fromEl.appendChild(curToNodeChild);\n                        handleNodeAdded(curToNodeChild);\n                    }\n                }\n\n                curToNodeChild = toNextSibling;\n                curFromNodeChild = fromNextSibling;\n            }\n\n            // We have processed all of the \"to nodes\". If curFromNodeChild is\n            // non-null then we still have some from nodes left over that need\n            // to be removed\n            while (curFromNodeChild) {\n                fromNextSibling = curFromNodeChild.nextSibling;\n                if ((curFromNodeKey = getNodeKey(curFromNodeChild))) {\n                    // Since the node is keyed it might be matched up later so we defer\n                    // the actual removal to later\n                    addKeyedRemoval(curFromNodeKey);\n                } else {\n                    // NOTE: we skip nested keyed nodes from being removed since there is\n                    //       still a chance they will be matched up later\n                    removeNode(curFromNodeChild, fromEl, true /* skip keyed nodes */);\n                }\n                curFromNodeChild = fromNextSibling;\n            }\n        }\n\n        var specialElHandler = specialElHandlers[fromEl.nodeName];\n        if (specialElHandler) {\n            specialElHandler(fromEl, toEl);\n        }\n    } // END: morphEl(...)\n\n    var morphedNode = fromNode;\n    var morphedNodeType = morphedNode.nodeType;\n    var toNodeType = toNode.nodeType;\n\n    if (!childrenOnly) {\n        // Handle the case where we are given two DOM nodes that are not\n        // compatible (e.g. <div> --> <span> or <div> --> TEXT)\n        if (morphedNodeType === ELEMENT_NODE) {\n            if (toNodeType === ELEMENT_NODE) {\n                if (!compareNodeNames(fromNode, toNode)) {\n                    onNodeDiscarded(fromNode);\n                    morphedNode = moveChildren(fromNode, createElementNS(toNode.nodeName, toNode.namespaceURI));\n                }\n            } else {\n                // Going from an element node to a text node\n                morphedNode = toNode;\n            }\n        } else if (morphedNodeType === TEXT_NODE || morphedNodeType === COMMENT_NODE) { // Text or comment node\n            if (toNodeType === morphedNodeType) {\n                morphedNode.nodeValue = toNode.nodeValue;\n                return morphedNode;\n            } else {\n                // Text node to something else\n                morphedNode = toNode;\n            }\n        }\n    }\n\n    if (morphedNode === toNode) {\n        // The \"to node\" was not compatible with the \"from node\" so we had to\n        // toss out the \"from node\" and use the \"to node\"\n        onNodeDiscarded(fromNode);\n    } else {\n        morphEl(morphedNode, toNode, childrenOnly);\n\n        // We now need to loop over any keyed nodes that might need to be\n        // removed. We only do the removal if we know that the keyed node\n        // never found a match. When a keyed node is matched up we remove\n        // it out of fromNodesLookup and we use fromNodesLookup to determine\n        // if a keyed node has been matched up or not\n        if (keyedRemovalList) {\n            for (var i=0, len=keyedRemovalList.length; i<len; i++) {\n                var elToRemove = fromNodesLookup[keyedRemovalList[i]];\n                if (elToRemove) {\n                    removeNode(elToRemove, elToRemove.parentNode, false);\n                }\n            }\n        }\n    }\n\n    if (!childrenOnly && morphedNode !== fromNode && fromNode.parentNode) {\n        if (morphedNode.actualize) {\n            morphedNode = morphedNode.actualize(fromNode.ownerDocument || doc);\n        }\n        // If we had to swap out the from node with a new node because the old\n        // node was not compatible with the target node then we need to\n        // replace the old DOM node in the original DOM tree. This is only\n        // possible if the original DOM node was part of a DOM tree which\n        // we know is the case if it has a parent node.\n        fromNode.parentNode.replaceChild(morphedNode, fromNode);\n    }\n\n    return morphedNode;\n}\n\nmodule.exports = morphdom;\n","module.exports = [\n  // attribute events (can be set with attributes)\n  'onclick',\n  'ondblclick',\n  'onmousedown',\n  'onmouseup',\n  'onmouseover',\n  'onmousemove',\n  'onmouseout',\n  'ondragstart',\n  'ondrag',\n  'ondragenter',\n  'ondragleave',\n  'ondragover',\n  'ondrop',\n  'ondragend',\n  'onkeydown',\n  'onkeypress',\n  'onkeyup',\n  'onunload',\n  'onabort',\n  'onerror',\n  'onresize',\n  'onscroll',\n  'onselect',\n  'onchange',\n  'onsubmit',\n  'onreset',\n  'onfocus',\n  'onblur',\n  'oninput',\n  // other common events\n  'oncontextmenu',\n  'onfocusin',\n  'onfocusout'\n]\n","const history = require('sheet-router/history')\nconst sheetRouter = require('sheet-router')\nconst document = require('global/document')\nconst onReady = require('document-ready')\nconst href = require('sheet-router/href')\nconst hash = require('sheet-router/hash')\nconst hashMatch = require('hash-match')\nconst barracks = require('barracks')\nconst nanoraf = require('nanoraf')\nconst assert = require('assert')\nconst xtend = require('xtend')\nconst yo = require('yo-yo')\n\nmodule.exports = choo\n\n// framework for creating sturdy web applications\n// null -> fn\nfunction choo (opts) {\n  opts = opts || {}\n\n  const _store = start._store = barracks()\n  var _router = start._router = null\n  var _defaultRoute = null\n  var _rootNode = null\n  var _routes = null\n  var _frame = null\n\n  _store.use({ onStateChange: render })\n  _store.use(opts)\n\n  start.toString = toString\n  start.router = router\n  start.model = model\n  start.start = start\n  start.use = use\n\n  return start\n\n  // render the application to a string\n  // (str, obj) -> str\n  function toString (route, serverState) {\n    serverState = serverState || {}\n    assert.equal(typeof route, 'string', 'choo.app.toString: route must be a string')\n    assert.equal(typeof serverState, 'object', 'choo.app.toString: serverState must be an object')\n    _store.start({ subscriptions: false, reducers: false, effects: false })\n\n    const state = _store.state({ state: serverState })\n    const router = createRouter(_defaultRoute, _routes, createSend)\n    const tree = router(route, state)\n    return tree.outerHTML || tree.toString()\n\n    function createSend () {\n      return function send () {\n        assert.ok(false, 'choo: send() cannot be called from Node')\n      }\n    }\n  }\n\n  // start the application\n  // (str?, obj?) -> DOMNode\n  function start (selector, startOpts) {\n    if (!startOpts && typeof selector !== 'string') {\n      startOpts = selector\n      selector = null\n    }\n    startOpts = startOpts || {}\n\n    _store.model(appInit(startOpts))\n    const createSend = _store.start(startOpts)\n    _router = start._router = createRouter(_defaultRoute, _routes, createSend)\n    const state = _store.state({state: {}})\n\n    if (!selector) {\n      const tree = _router(state.location.pathname, state)\n      _rootNode = tree\n      return tree\n    } else {\n      onReady(function onReady () {\n        const oldTree = document.querySelector(selector)\n        assert.ok(oldTree, 'could not query selector: ' + selector)\n        const newTree = _router(state.location.pathname, state)\n        _rootNode = yo.update(oldTree, newTree)\n      })\n    }\n  }\n\n  // update the DOM after every state mutation\n  // (obj, obj, obj, str, fn) -> null\n  function render (data, state, prev, name, createSend) {\n    if (!_frame) {\n      _frame = nanoraf(function (state, prev) {\n        const newTree = _router(state.location.pathname, state, prev)\n        _rootNode = yo.update(_rootNode, newTree)\n      })\n    }\n    _frame(state, prev)\n  }\n\n  // register all routes on the router\n  // (str?, [fn|[fn]]) -> obj\n  function router (defaultRoute, routes) {\n    _defaultRoute = defaultRoute\n    _routes = routes\n  }\n\n  // create a new model\n  // (str?, obj) -> null\n  function model (model) {\n    _store.model(model)\n  }\n\n  // register a plugin\n  // (obj) -> null\n  function use (hooks) {\n    assert.equal(typeof hooks, 'object', 'choo.use: hooks should be an object')\n    _store.use(hooks)\n  }\n\n  // create a new router with a custom `createRoute()` function\n  // (str?, obj, fn?) -> null\n  function createRouter (defaultRoute, routes, createSend) {\n    var prev = { params: {} }\n    return sheetRouter(defaultRoute, routes, createRoute)\n\n    function createRoute (routeFn) {\n      return function (route, inline, child) {\n        if (typeof inline === 'function') {\n          inline = wrap(inline, route)\n        }\n        return routeFn(route, inline, child)\n      }\n\n      function wrap (child, route) {\n        const send = createSend('view: ' + route, true)\n        return function chooWrap (params, state) {\n          const nwPrev = prev\n          const nwState = prev = xtend(state, { params: params })\n          if (opts.freeze !== false) Object.freeze(nwState)\n          return child(nwState, nwPrev, send)\n        }\n      }\n    }\n  }\n}\n\n// initial application state model\n// obj -> obj\nfunction appInit (opts) {\n  const loc = document.location\n  const state = { pathname: (opts.hash) ? hashMatch(loc.hash) : loc.href }\n  const reducers = {\n    setLocation: function setLocation (data, state) {\n      return { pathname: data.location.replace(/#.*/, '') }\n    }\n  }\n  // if hash routing explicitly enabled, subscribe to it\n  const subs = {}\n  if (opts.hash === true) {\n    pushLocationSub(function (navigate) {\n      hash(function (fragment) {\n        navigate(hashMatch(fragment))\n      })\n    }, 'handleHash', subs)\n  } else {\n    if (opts.history !== false) pushLocationSub(history, 'handleHistory', subs)\n    if (opts.href !== false) pushLocationSub(href, 'handleHref', subs)\n  }\n\n  return {\n    namespace: 'location',\n    subscriptions: subs,\n    reducers: reducers,\n    state: state\n  }\n\n  // create a new subscription that modifies\n  // 'app:location' and push it to be loaded\n  // (fn, obj) -> null\n  function pushLocationSub (cb, key, model) {\n    model[key] = function (send, done) {\n      cb(function navigate (pathname) {\n        send('location:setLocation', { location: pathname }, done)\n      })\n    }\n  }\n}\n"]}
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){

},{}],2:[function(require,module,exports){
(function (global){
var topLevel = typeof global !== 'undefined' ? global :
    typeof window !== 'undefined' ? window : {}
var minDoc = require('min-document');

if (typeof document !== 'undefined') {
    module.exports = document;
} else {
    var doccy = topLevel['__GLOBAL_DOCUMENT_CACHE@4'];

    if (!doccy) {
        doccy = topLevel['__GLOBAL_DOCUMENT_CACHE@4'] = minDoc;
    }

    module.exports = doccy;
}

}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
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},{"min-document":1}],3:[function(require,module,exports){
(function (global){
if (typeof window !== "undefined") {
    module.exports = window;
} else if (typeof global !== "undefined") {
    module.exports = global;
} else if (typeof self !== "undefined"){
    module.exports = self;
} else {
    module.exports = {};
}

}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
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},{}],4:[function(require,module,exports){
var bel = require('bel') // turns template tag into DOM elements
var morphdom = require('morphdom') // efficiently diffs + morphs two DOM elements
var defaultEvents = require('./update-events.js') // default events to be copied when dom elements update

module.exports = bel

// TODO move this + defaultEvents to a new module once we receive more feedback
module.exports.update = function (fromNode, toNode, opts) {
  if (!opts) opts = {}
  if (opts.events !== false) {
    if (!opts.onBeforeElUpdated) opts.onBeforeElUpdated = copier
  }

  return morphdom(fromNode, toNode, opts)

  // morphdom only copies attributes. we decided we also wanted to copy events
  // that can be set via attributes
  function copier (f, t) {
    // copy events:
    var events = opts.events || defaultEvents
    for (var i = 0; i < events.length; i++) {
      var ev = events[i]
      if (t[ev]) { // if new element has a whitelisted attribute
        f[ev] = t[ev] // update existing element
      } else if (f[ev]) { // if existing element has it and new one doesnt
        f[ev] = undefined // remove it from existing element
      }
    }
    // copy values for form elements
    if ((f.nodeName === 'INPUT' && f.type !== 'file') || f.nodeName === 'TEXTAREA' || f.nodeName === 'SELECT') {
      if (t.getAttribute('value') === null) t.value = f.value
    }
  }
}

},{"./update-events.js":10,"bel":5,"morphdom":9}],5:[function(require,module,exports){
var document = require('global/document')
var hyperx = require('hyperx')
var onload = require('on-load')

var SVGNS = 'http://www.w3.org/2000/svg'
var XLINKNS = 'http://www.w3.org/1999/xlink'

var BOOL_PROPS = {
  autofocus: 1,
  checked: 1,
  defaultchecked: 1,
  disabled: 1,
  formnovalidate: 1,
  indeterminate: 1,
  readonly: 1,
  required: 1,
  selected: 1,
  willvalidate: 1
}
var SVG_TAGS = [
  'svg',
  'altGlyph', 'altGlyphDef', 'altGlyphItem', 'animate', 'animateColor',
  'animateMotion', 'animateTransform', 'circle', 'clipPath', 'color-profile',
  'cursor', 'defs', 'desc', 'ellipse', 'feBlend', 'feColorMatrix',
  'feComponentTransfer', 'feComposite', 'feConvolveMatrix', 'feDiffuseLighting',
  'feDisplacementMap', 'feDistantLight', 'feFlood', 'feFuncA', 'feFuncB',
  'feFuncG', 'feFuncR', 'feGaussianBlur', 'feImage', 'feMerge', 'feMergeNode',
  'feMorphology', 'feOffset', 'fePointLight', 'feSpecularLighting',
  'feSpotLight', 'feTile', 'feTurbulence', 'filter', 'font', 'font-face',
  'font-face-format', 'font-face-name', 'font-face-src', 'font-face-uri',
  'foreignObject', 'g', 'glyph', 'glyphRef', 'hkern', 'image', 'line',
  'linearGradient', 'marker', 'mask', 'metadata', 'missing-glyph', 'mpath',
  'path', 'pattern', 'polygon', 'polyline', 'radialGradient', 'rect',
  'set', 'stop', 'switch', 'symbol', 'text', 'textPath', 'title', 'tref',
  'tspan', 'use', 'view', 'vkern'
]

function belCreateElement (tag, props, children) {
  var el

  // If an svg tag, it needs a namespace
  if (SVG_TAGS.indexOf(tag) !== -1) {
    props.namespace = SVGNS
  }

  // If we are using a namespace
  var ns = false
  if (props.namespace) {
    ns = props.namespace
    delete props.namespace
  }

  // Create the element
  if (ns) {
    el = document.createElementNS(ns, tag)
  } else {
    el = document.createElement(tag)
  }

  // If adding onload events
  if (props.onload || props.onunload) {
    var load = props.onload || function () {}
    var unload = props.onunload || function () {}
    onload(el, function belOnload () {
      load(el)
    }, function belOnunload () {
      unload(el)
    },
    // We have to use non-standard `caller` to find who invokes `belCreateElement`
    belCreateElement.caller.caller.caller)
    delete props.onload
    delete props.onunload
  }

  // Create the properties
  for (var p in props) {
    if (props.hasOwnProperty(p)) {
      var key = p.toLowerCase()
      var val = props[p]
      // Normalize className
      if (key === 'classname') {
        key = 'class'
        p = 'class'
      }
      // The for attribute gets transformed to htmlFor, but we just set as for
      if (p === 'htmlFor') {
        p = 'for'
      }
      // If a property is boolean, set itself to the key
      if (BOOL_PROPS[key]) {
        if (val === 'true') val = key
        else if (val === 'false') continue
      }
      // If a property prefers being set directly vs setAttribute
      if (key.slice(0, 2) === 'on') {
        el[p] = val
      } else {
        if (ns) {
          if (p === 'xlink:href') {
            el.setAttributeNS(XLINKNS, p, val)
          } else {
            el.setAttributeNS(null, p, val)
          }
        } else {
          el.setAttribute(p, val)
        }
      }
    }
  }

  function appendChild (childs) {
    if (!Array.isArray(childs)) return
    for (var i = 0; i < childs.length; i++) {
      var node = childs[i]
      if (Array.isArray(node)) {
        appendChild(node)
        continue
      }

      if (typeof node === 'number' ||
        typeof node === 'boolean' ||
        node instanceof Date ||
        node instanceof RegExp) {
        node = node.toString()
      }

      if (typeof node === 'string') {
        if (el.lastChild && el.lastChild.nodeName === '#text') {
          el.lastChild.nodeValue += node
          continue
        }
        node = document.createTextNode(node)
      }

      if (node && node.nodeType) {
        el.appendChild(node)
      }
    }
  }
  appendChild(children)

  return el
}

module.exports = hyperx(belCreateElement)
module.exports.createElement = belCreateElement

},{"global/document":2,"hyperx":6,"on-load":8}],6:[function(require,module,exports){
var attrToProp = require('hyperscript-attribute-to-property')

var VAR = 0, TEXT = 1, OPEN = 2, CLOSE = 3, ATTR = 4
var ATTR_KEY = 5, ATTR_KEY_W = 6
var ATTR_VALUE_W = 7, ATTR_VALUE = 8
var ATTR_VALUE_SQ = 9, ATTR_VALUE_DQ = 10
var ATTR_EQ = 11, ATTR_BREAK = 12

module.exports = function (h, opts) {
  h = attrToProp(h)
  if (!opts) opts = {}
  var concat = opts.concat || function (a, b) {
    return String(a) + String(b)
  }

  return function (strings) {
    var state = TEXT, reg = ''
    var arglen = arguments.length
    var parts = []

    for (var i = 0; i < strings.length; i++) {
      if (i < arglen - 1) {
        var arg = arguments[i+1]
        var p = parse(strings[i])
        var xstate = state
        if (xstate === ATTR_VALUE_DQ) xstate = ATTR_VALUE
        if (xstate === ATTR_VALUE_SQ) xstate = ATTR_VALUE
        if (xstate === ATTR_VALUE_W) xstate = ATTR_VALUE
        if (xstate === ATTR) xstate = ATTR_KEY
        p.push([ VAR, xstate, arg ])
        parts.push.apply(parts, p)
      } else parts.push.apply(parts, parse(strings[i]))
    }

    var tree = [null,{},[]]
    var stack = [[tree,-1]]
    for (var i = 0; i < parts.length; i++) {
      var cur = stack[stack.length-1][0]
      var p = parts[i], s = p[0]
      if (s === OPEN && /^\//.test(p[1])) {
        var ix = stack[stack.length-1][1]
        if (stack.length > 1) {
          stack.pop()
          stack[stack.length-1][0][2][ix] = h(
            cur[0], cur[1], cur[2].length ? cur[2] : undefined
          )
        }
      } else if (s === OPEN) {
        var c = [p[1],{},[]]
        cur[2].push(c)
        stack.push([c,cur[2].length-1])
      } else if (s === ATTR_KEY || (s === VAR && p[1] === ATTR_KEY)) {
        var key = ''
        var copyKey
        for (; i < parts.length; i++) {
          if (parts[i][0] === ATTR_KEY) {
            key = concat(key, parts[i][1])
          } else if (parts[i][0] === VAR && parts[i][1] === ATTR_KEY) {
            if (typeof parts[i][2] === 'object' && !key) {
              for (copyKey in parts[i][2]) {
                if (parts[i][2].hasOwnProperty(copyKey) && !cur[1][copyKey]) {
                  cur[1][copyKey] = parts[i][2][copyKey]
                }
              }
            } else {
              key = concat(key, parts[i][2])
            }
          } else break
        }
        if (parts[i][0] === ATTR_EQ) i++
        var j = i
        for (; i < parts.length; i++) {
          if (parts[i][0] === ATTR_VALUE || parts[i][0] === ATTR_KEY) {
            if (!cur[1][key]) cur[1][key] = strfn(parts[i][1])
            else cur[1][key] = concat(cur[1][key], parts[i][1])
          } else if (parts[i][0] === VAR
          && (parts[i][1] === ATTR_VALUE || parts[i][1] === ATTR_KEY)) {
            if (!cur[1][key]) cur[1][key] = strfn(parts[i][2])
            else cur[1][key] = concat(cur[1][key], parts[i][2])
          } else {
            if (key.length && !cur[1][key] && i === j
            && (parts[i][0] === CLOSE || parts[i][0] === ATTR_BREAK)) {
              // https://html.spec.whatwg.org/multipage/infrastructure.html#boolean-attributes
              // empty string is falsy, not well behaved value in browser
              cur[1][key] = key.toLowerCase()
            }
            break
          }
        }
      } else if (s === ATTR_KEY) {
        cur[1][p[1]] = true
      } else if (s === VAR && p[1] === ATTR_KEY) {
        cur[1][p[2]] = true
      } else if (s === CLOSE) {
        if (selfClosing(cur[0]) && stack.length) {
          var ix = stack[stack.length-1][1]
          stack.pop()
          stack[stack.length-1][0][2][ix] = h(
            cur[0], cur[1], cur[2].length ? cur[2] : undefined
          )
        }
      } else if (s === VAR && p[1] === TEXT) {
        if (p[2] === undefined || p[2] === null) p[2] = ''
        else if (!p[2]) p[2] = concat('', p[2])
        if (Array.isArray(p[2][0])) {
          cur[2].push.apply(cur[2], p[2])
        } else {
          cur[2].push(p[2])
        }
      } else if (s === TEXT) {
        cur[2].push(p[1])
      } else if (s === ATTR_EQ || s === ATTR_BREAK) {
        // no-op
      } else {
        throw new Error('unhandled: ' + s)
      }
    }

    if (tree[2].length > 1 && /^\s*$/.test(tree[2][0])) {
      tree[2].shift()
    }

    if (tree[2].length > 2
    || (tree[2].length === 2 && /\S/.test(tree[2][1]))) {
      throw new Error(
        'multiple root elements must be wrapped in an enclosing tag'
      )
    }
    if (Array.isArray(tree[2][0]) && typeof tree[2][0][0] === 'string'
    && Array.isArray(tree[2][0][2])) {
      tree[2][0] = h(tree[2][0][0], tree[2][0][1], tree[2][0][2])
    }
    return tree[2][0]

    function parse (str) {
      var res = []
      if (state === ATTR_VALUE_W) state = ATTR
      for (var i = 0; i < str.length; i++) {
        var c = str.charAt(i)
        if (state === TEXT && c === '<') {
          if (reg.length) res.push([TEXT, reg])
          reg = ''
          state = OPEN
        } else if (c === '>' && !quot(state)) {
          if (state === OPEN) {
            res.push([OPEN,reg])
          } else if (state === ATTR_KEY) {
            res.push([ATTR_KEY,reg])
          } else if (state === ATTR_VALUE && reg.length) {
            res.push([ATTR_VALUE,reg])
          }
          res.push([CLOSE])
          reg = ''
          state = TEXT
        } else if (state === TEXT) {
          reg += c
        } else if (state === OPEN && /\s/.test(c)) {
          res.push([OPEN, reg])
          reg = ''
          state = ATTR
        } else if (state === OPEN) {
          reg += c
        } else if (state === ATTR && /[\w-]/.test(c)) {
          state = ATTR_KEY
          reg = c
        } else if (state === ATTR && /\s/.test(c)) {
          if (reg.length) res.push([ATTR_KEY,reg])
          res.push([ATTR_BREAK])
        } else if (state === ATTR_KEY && /\s/.test(c)) {
          res.push([ATTR_KEY,reg])
          reg = ''
          state = ATTR_KEY_W
        } else if (state === ATTR_KEY && c === '=') {
          res.push([ATTR_KEY,reg],[ATTR_EQ])
          reg = ''
          state = ATTR_VALUE_W
        } else if (state === ATTR_KEY) {
          reg += c
        } else if ((state === ATTR_KEY_W || state === ATTR) && c === '=') {
          res.push([ATTR_EQ])
          state = ATTR_VALUE_W
        } else if ((state === ATTR_KEY_W || state === ATTR) && !/\s/.test(c)) {
          res.push([ATTR_BREAK])
          if (/[\w-]/.test(c)) {
            reg += c
            state = ATTR_KEY
          } else state = ATTR
        } else if (state === ATTR_VALUE_W && c === '"') {
          state = ATTR_VALUE_DQ
        } else if (state === ATTR_VALUE_W && c === "'") {
          state = ATTR_VALUE_SQ
        } else if (state === ATTR_VALUE_DQ && c === '"') {
          res.push([ATTR_VALUE,reg],[ATTR_BREAK])
          reg = ''
          state = ATTR
        } else if (state === ATTR_VALUE_SQ && c === "'") {
          res.push([ATTR_VALUE,reg],[ATTR_BREAK])
          reg = ''
          state = ATTR
        } else if (state === ATTR_VALUE_W && !/\s/.test(c)) {
          state = ATTR_VALUE
          i--
        } else if (state === ATTR_VALUE && /\s/.test(c)) {
          res.push([ATTR_VALUE,reg],[ATTR_BREAK])
          reg = ''
          state = ATTR
        } else if (state === ATTR_VALUE || state === ATTR_VALUE_SQ
        || state === ATTR_VALUE_DQ) {
          reg += c
        }
      }
      if (state === TEXT && reg.length) {
        res.push([TEXT,reg])
        reg = ''
      } else if (state === ATTR_VALUE && reg.length) {
        res.push([ATTR_VALUE,reg])
        reg = ''
      } else if (state === ATTR_VALUE_DQ && reg.length) {
        res.push([ATTR_VALUE,reg])
        reg = ''
      } else if (state === ATTR_VALUE_SQ && reg.length) {
        res.push([ATTR_VALUE,reg])
        reg = ''
      } else if (state === ATTR_KEY) {
        res.push([ATTR_KEY,reg])
        reg = ''
      }
      return res
    }
  }

  function strfn (x) {
    if (typeof x === 'function') return x
    else if (typeof x === 'string') return x
    else if (x && typeof x === 'object') return x
    else return concat('', x)
  }
}

function quot (state) {
  return state === ATTR_VALUE_SQ || state === ATTR_VALUE_DQ
}

var hasOwn = Object.prototype.hasOwnProperty
function has (obj, key) { return hasOwn.call(obj, key) }

var closeRE = RegExp('^(' + [
  'area', 'base', 'basefont', 'bgsound', 'br', 'col', 'command', 'embed',
  'frame', 'hr', 'img', 'input', 'isindex', 'keygen', 'link', 'meta', 'param',
  'source', 'track', 'wbr',
  // SVG TAGS
  'animate', 'animateTransform', 'circle', 'cursor', 'desc', 'ellipse',
  'feBlend', 'feColorMatrix', 'feComposite',
  'feConvolveMatrix', 'feDiffuseLighting', 'feDisplacementMap',
  'feDistantLight', 'feFlood', 'feFuncA', 'feFuncB', 'feFuncG', 'feFuncR',
  'feGaussianBlur', 'feImage', 'feMergeNode', 'feMorphology',
  'feOffset', 'fePointLight', 'feSpecularLighting', 'feSpotLight', 'feTile',
  'feTurbulence', 'font-face-format', 'font-face-name', 'font-face-uri',
  'glyph', 'glyphRef', 'hkern', 'image', 'line', 'missing-glyph', 'mpath',
  'path', 'polygon', 'polyline', 'rect', 'set', 'stop', 'tref', 'use', 'view',
  'vkern'
].join('|') + ')(?:[\.#][a-zA-Z0-9\u007F-\uFFFF_:-]+)*$')
function selfClosing (tag) { return closeRE.test(tag) }

},{"hyperscript-attribute-to-property":7}],7:[function(require,module,exports){
module.exports = attributeToProperty

var transform = {
  'class': 'className',
  'for': 'htmlFor',
  'http-equiv': 'httpEquiv'
}

function attributeToProperty (h) {
  return function (tagName, attrs, children) {
    for (var attr in attrs) {
      if (attr in transform) {
        attrs[transform[attr]] = attrs[attr]
        delete attrs[attr]
      }
    }
    return h(tagName, attrs, children)
  }
}

},{}],8:[function(require,module,exports){
/* global MutationObserver */
var document = require('global/document')
var window = require('global/window')
var watch = Object.create(null)
var KEY_ID = 'onloadid' + (new Date() % 9e6).toString(36)
var KEY_ATTR = 'data-' + KEY_ID
var INDEX = 0

if (window && window.MutationObserver) {
  var observer = new MutationObserver(function (mutations) {
    if (Object.keys(watch).length < 1) return
    for (var i = 0; i < mutations.length; i++) {
      if (mutations[i].attributeName === KEY_ATTR) {
        eachAttr(mutations[i], turnon, turnoff)
        continue
      }
      eachMutation(mutations[i].removedNodes, turnoff)
      eachMutation(mutations[i].addedNodes, turnon)
    }
  })
  observer.observe(document.body, {
    childList: true,
    subtree: true,
    attributes: true,
    attributeOldValue: true,
    attributeFilter: [KEY_ATTR]
  })
}

module.exports = function onload (el, on, off, caller) {
  on = on || function () {}
  off = off || function () {}
  el.setAttribute(KEY_ATTR, 'o' + INDEX)
  watch['o' + INDEX] = [on, off, 0, caller || onload.caller]
  INDEX += 1
  return el
}

function turnon (index, el) {
  if (watch[index][0] && watch[index][2] === 0) {
    watch[index][0](el)
    watch[index][2] = 1
  }
}

function turnoff (index, el) {
  if (watch[index][1] && watch[index][2] === 1) {
    watch[index][1](el)
    watch[index][2] = 0
  }
}

function eachAttr (mutation, on, off) {
  var newValue = mutation.target.getAttribute(KEY_ATTR)
  if (sameOrigin(mutation.oldValue, newValue)) {
    watch[newValue] = watch[mutation.oldValue]
    return
  }
  if (watch[mutation.oldValue]) {
    off(mutation.oldValue, mutation.target)
  }
  if (watch[newValue]) {
    on(newValue, mutation.target)
  }
}

function sameOrigin (oldValue, newValue) {
  if (!oldValue || !newValue) return false
  return watch[oldValue][3] === watch[newValue][3]
}

function eachMutation (nodes, fn) {
  var keys = Object.keys(watch)
  for (var i = 0; i < nodes.length; i++) {
    if (nodes[i] && nodes[i].getAttribute && nodes[i].getAttribute(KEY_ATTR)) {
      var onloadid = nodes[i].getAttribute(KEY_ATTR)
      keys.forEach(function (k) {
        if (onloadid === k) {
          fn(k, nodes[i])
        }
      })
    }
    if (nodes[i].childNodes.length > 0) {
      eachMutation(nodes[i].childNodes, fn)
    }
  }
}

},{"global/document":2,"global/window":3}],9:[function(require,module,exports){
'use strict';
// Create a range object for efficently rendering strings to elements.
var range;

var doc = typeof document !== 'undefined' && document;

var testEl = doc ?
    doc.body || doc.createElement('div') :
    {};

var NS_XHTML = 'http://www.w3.org/1999/xhtml';

var ELEMENT_NODE = 1;
var TEXT_NODE = 3;
var COMMENT_NODE = 8;

// Fixes <https://github.com/patrick-steele-idem/morphdom/issues/32>
// (IE7+ support) <=IE7 does not support el.hasAttribute(name)
var hasAttributeNS;

if (testEl.hasAttributeNS) {
    hasAttributeNS = function(el, namespaceURI, name) {
        return el.hasAttributeNS(namespaceURI, name);
    };
} else if (testEl.hasAttribute) {
    hasAttributeNS = function(el, namespaceURI, name) {
        return el.hasAttribute(name);
    };
} else {
    hasAttributeNS = function(el, namespaceURI, name) {
        return !!el.getAttributeNode(name);
    };
}

function toElement(str) {
    if (!range && doc.createRange) {
        range = doc.createRange();
        range.selectNode(doc.body);
    }

    var fragment;
    if (range && range.createContextualFragment) {
        fragment = range.createContextualFragment(str);
    } else {
        fragment = doc.createElement('body');
        fragment.innerHTML = str;
    }
    return fragment.childNodes[0];
}

function syncBooleanAttrProp(fromEl, toEl, name) {
    if (fromEl[name] !== toEl[name]) {
        fromEl[name] = toEl[name];
        if (fromEl[name]) {
            fromEl.setAttribute(name, '');
        } else {
            fromEl.removeAttribute(name, '');
        }
    }
}

var specialElHandlers = {
    /**
     * Needed for IE. Apparently IE doesn't think that "selected" is an
     * attribute when reading over the attributes using selectEl.attributes
     */
    OPTION: function(fromEl, toEl) {
        syncBooleanAttrProp(fromEl, toEl, 'selected');
    },
    /**
     * The "value" attribute is special for the <input> element since it sets
     * the initial value. Changing the "value" attribute without changing the
     * "value" property will have no effect since it is only used to the set the
     * initial value.  Similar for the "checked" attribute, and "disabled".
     */
    INPUT: function(fromEl, toEl) {
        syncBooleanAttrProp(fromEl, toEl, 'checked');
        syncBooleanAttrProp(fromEl, toEl, 'disabled');

        if (fromEl.value !== toEl.value) {
            fromEl.value = toEl.value;
        }

        if (!hasAttributeNS(toEl, null, 'value')) {
            fromEl.removeAttribute('value');
        }
    },

    TEXTAREA: function(fromEl, toEl) {
        var newValue = toEl.value;
        if (fromEl.value !== newValue) {
            fromEl.value = newValue;
        }

        if (fromEl.firstChild) {
            fromEl.firstChild.nodeValue = newValue;
        }
    }
};

function noop() {}

/**
 * Returns true if two node's names are the same.
 *
 * NOTE: We don't bother checking `namespaceURI` because you will never find two HTML elements with the same
 *       nodeName and different namespace URIs.
 *
 * @param {Element} a
 * @param {Element} b The target element
 * @return {boolean}
 */
function compareNodeNames(fromEl, toEl) {
    var fromNodeName = fromEl.nodeName;
    var toNodeName = toEl.nodeName;

    if (fromNodeName === toNodeName) {
        return true;
    }

    if (toEl.actualize &&
        fromNodeName.charCodeAt(0) < 91 && /* from tag name is upper case */
        toNodeName.charCodeAt(0) > 90 /* target tag name is lower case */) {
        // If the target element is a virtual DOM node then we may need to normalize the tag name
        // before comparing. Normal HTML elements that are in the "http://www.w3.org/1999/xhtml"
        // are converted to upper case
        return fromNodeName === toNodeName.toUpperCase();
    } else {
        return false;
    }
}

/**
 * Create an element, optionally with a known namespace URI.
 *
 * @param {string} name the element name, e.g. 'div' or 'svg'
 * @param {string} [namespaceURI] the element's namespace URI, i.e. the value of
 * its `xmlns` attribute or its inferred namespace.
 *
 * @return {Element}
 */
function createElementNS(name, namespaceURI) {
    return !namespaceURI || namespaceURI === NS_XHTML ?
        doc.createElement(name) :
        doc.createElementNS(namespaceURI, name);
}

/**
 * Loop over all of the attributes on the target node and make sure the original
 * DOM node has the same attributes. If an attribute found on the original node
 * is not on the new node then remove it from the original node.
 *
 * @param  {Element} fromNode
 * @param  {Element} toNode
 */
function morphAttrs(fromNode, toNode) {
    var attrs = toNode.attributes;
    var i;
    var attr;
    var attrName;
    var attrNamespaceURI;
    var attrValue;
    var fromValue;

    if (toNode.assignAttributes) {
        toNode.assignAttributes(fromNode);
    } else {
        for (i = attrs.length - 1; i >= 0; --i) {
            attr = attrs[i];
            attrName = attr.name;
            attrNamespaceURI = attr.namespaceURI;
            attrValue = attr.value;

            if (attrNamespaceURI) {
                attrName = attr.localName || attrName;
                fromValue = fromNode.getAttributeNS(attrNamespaceURI, attrName);

                if (fromValue !== attrValue) {
                    fromNode.setAttributeNS(attrNamespaceURI, attrName, attrValue);
                }
            } else {
                fromValue = fromNode.getAttribute(attrName);

                if (fromValue !== attrValue) {
                    fromNode.setAttribute(attrName, attrValue);
                }
            }
        }
    }

    // Remove any extra attributes found on the original DOM element that
    // weren't found on the target element.
    attrs = fromNode.attributes;

    for (i = attrs.length - 1; i >= 0; --i) {
        attr = attrs[i];
        if (attr.specified !== false) {
            attrName = attr.name;
            attrNamespaceURI = attr.namespaceURI;

            if (attrNamespaceURI) {
                attrName = attr.localName || attrName;

                if (!hasAttributeNS(toNode, attrNamespaceURI, attrName)) {
                    fromNode.removeAttributeNS(attrNamespaceURI, attrName);
                }
            } else {
                if (!hasAttributeNS(toNode, null, attrName)) {
                    fromNode.removeAttribute(attrName);
                }
            }
        }
    }
}

/**
 * Copies the children of one DOM element to another DOM element
 */
function moveChildren(fromEl, toEl) {
    var curChild = fromEl.firstChild;
    while (curChild) {
        var nextChild = curChild.nextSibling;
        toEl.appendChild(curChild);
        curChild = nextChild;
    }
    return toEl;
}

function defaultGetNodeKey(node) {
    return node.id;
}

function morphdom(fromNode, toNode, options) {
    if (!options) {
        options = {};
    }

    if (typeof toNode === 'string') {
        if (fromNode.nodeName === '#document' || fromNode.nodeName === 'HTML') {
            var toNodeHtml = toNode;
            toNode = doc.createElement('html');
            toNode.innerHTML = toNodeHtml;
        } else {
            toNode = toElement(toNode);
        }
    }

    var getNodeKey = options.getNodeKey || defaultGetNodeKey;
    var onBeforeNodeAdded = options.onBeforeNodeAdded || noop;
    var onNodeAdded = options.onNodeAdded || noop;
    var onBeforeElUpdated = options.onBeforeElUpdated || noop;
    var onElUpdated = options.onElUpdated || noop;
    var onBeforeNodeDiscarded = options.onBeforeNodeDiscarded || noop;
    var onNodeDiscarded = options.onNodeDiscarded || noop;
    var onBeforeElChildrenUpdated = options.onBeforeElChildrenUpdated || noop;
    var childrenOnly = options.childrenOnly === true;

    // This object is used as a lookup to quickly find all keyed elements in the original DOM tree.
    var fromNodesLookup = {};
    var keyedRemovalList;

    function addKeyedRemoval(key) {
        if (keyedRemovalList) {
            keyedRemovalList.push(key);
        } else {
            keyedRemovalList = [key];
        }
    }

    function walkDiscardedChildNodes(node, skipKeyedNodes) {
        if (node.nodeType === ELEMENT_NODE) {
            var curChild = node.firstChild;
            while (curChild) {

                var key = undefined;

                if (skipKeyedNodes && (key = getNodeKey(curChild))) {
                    // If we are skipping keyed nodes then we add the key
                    // to a list so that it can be handled at the very end.
                    addKeyedRemoval(key);
                } else {
                    // Only report the node as discarded if it is not keyed. We do this because
                    // at the end we loop through all keyed elements that were unmatched
                    // and then discard them in one final pass.
                    onNodeDiscarded(curChild);
                    if (curChild.firstChild) {
                        walkDiscardedChildNodes(curChild, skipKeyedNodes);
                    }
                }

                curChild = curChild.nextSibling;
            }
        }
    }

    /**
     * Removes a DOM node out of the original DOM
     *
     * @param  {Node} node The node to remove
     * @param  {Node} parentNode The nodes parent
     * @param  {Boolean} skipKeyedNodes If true then elements with keys will be skipped and not discarded.
     * @return {undefined}
     */
    function removeNode(node, parentNode, skipKeyedNodes) {
        if (onBeforeNodeDiscarded(node) === false) {
            return;
        }

        if (parentNode) {
            parentNode.removeChild(node);
        }

        onNodeDiscarded(node);
        walkDiscardedChildNodes(node, skipKeyedNodes);
    }

    // // TreeWalker implementation is no faster, but keeping this around in case this changes in the future
    // function indexTree(root) {
    //     var treeWalker = document.createTreeWalker(
    //         root,
    //         NodeFilter.SHOW_ELEMENT);
    //
    //     var el;
    //     while((el = treeWalker.nextNode())) {
    //         var key = getNodeKey(el);
    //         if (key) {
    //             fromNodesLookup[key] = el;
    //         }
    //     }
    // }

    // // NodeIterator implementation is no faster, but keeping this around in case this changes in the future
    //
    // function indexTree(node) {
    //     var nodeIterator = document.createNodeIterator(node, NodeFilter.SHOW_ELEMENT);
    //     var el;
    //     while((el = nodeIterator.nextNode())) {
    //         var key = getNodeKey(el);
    //         if (key) {
    //             fromNodesLookup[key] = el;
    //         }
    //     }
    // }

    function indexTree(node) {
        if (node.nodeType === ELEMENT_NODE) {
            var curChild = node.firstChild;
            while (curChild) {
                var key = getNodeKey(curChild);
                if (key) {
                    fromNodesLookup[key] = curChild;
                }

                // Walk recursively
                indexTree(curChild);

                curChild = curChild.nextSibling;
            }
        }
    }

    indexTree(fromNode);

    function handleNodeAdded(el) {
        onNodeAdded(el);

        var curChild = el.firstChild;
        while (curChild) {
            var nextSibling = curChild.nextSibling;

            var key = getNodeKey(curChild);
            if (key) {
                var unmatchedFromEl = fromNodesLookup[key];
                if (unmatchedFromEl && compareNodeNames(curChild, unmatchedFromEl)) {
                    curChild.parentNode.replaceChild(unmatchedFromEl, curChild);
                    morphEl(unmatchedFromEl, curChild);
                }
            }

            handleNodeAdded(curChild);
            curChild = nextSibling;
        }
    }

    function morphEl(fromEl, toEl, childrenOnly) {
        var toElKey = getNodeKey(toEl);
        var curFromNodeKey;

        if (toElKey) {
            // If an element with an ID is being morphed then it is will be in the final
            // DOM so clear it out of the saved elements collection
            delete fromNodesLookup[toElKey];
        }

        if (toNode.isSameNode && toNode.isSameNode(fromNode)) {
            return;
        }

        if (!childrenOnly) {
            if (onBeforeElUpdated(fromEl, toEl) === false) {
                return;
            }

            morphAttrs(fromEl, toEl);
            onElUpdated(fromEl);

            if (onBeforeElChildrenUpdated(fromEl, toEl) === false) {
                return;
            }
        }

        if (fromEl.nodeName !== 'TEXTAREA') {
            var curToNodeChild = toEl.firstChild;
            var curFromNodeChild = fromEl.firstChild;
            var curToNodeKey;

            var fromNextSibling;
            var toNextSibling;
            var matchingFromEl;

            outer: while (curToNodeChild) {
                toNextSibling = curToNodeChild.nextSibling;
                curToNodeKey = getNodeKey(curToNodeChild);

                while (curFromNodeChild) {
                    fromNextSibling = curFromNodeChild.nextSibling;

                    if (curToNodeChild.isSameNode && curToNodeChild.isSameNode(curFromNodeChild)) {
                        curToNodeChild = toNextSibling;
                        curFromNodeChild = fromNextSibling;
                        continue outer;
                    }

                    curFromNodeKey = getNodeKey(curFromNodeChild);

                    var curFromNodeType = curFromNodeChild.nodeType;

                    var isCompatible = undefined;

                    if (curFromNodeType === curToNodeChild.nodeType) {
                        if (curFromNodeType === ELEMENT_NODE) {
                            // Both nodes being compared are Element nodes

                            if (curToNodeKey) {
                                // The target node has a key so we want to match it up with the correct element
                                // in the original DOM tree
                                if (curToNodeKey !== curFromNodeKey) {
                                    // The current element in the original DOM tree does not have a matching key so
                                    // let's check our lookup to see if there is a matching element in the original
                                    // DOM tree
                                    if ((matchingFromEl = fromNodesLookup[curToNodeKey])) {
                                        if (curFromNodeChild.nextSibling === matchingFromEl) {
                                            // Special case for single element removals. To avoid removing the original
                                            // DOM node out of the tree (since that can break CSS transitions, etc.),
                                            // we will instead discard the current node and wait until the next
                                            // iteration to properly match up the keyed target element with its matching
                                            // element in the original tree
                                            isCompatible = false;
                                        } else {
                                            // We found a matching keyed element somewhere in the original DOM tree.
                                            // Let's moving the original DOM node into the current position and morph
                                            // it.

                                            // NOTE: We use insertBefore instead of replaceChild because we want to go through
                                            // the `removeNode()` function for the node that is being discarded so that
                                            // all lifecycle hooks are correctly invoked
                                            fromEl.insertBefore(matchingFromEl, curFromNodeChild);

                                            if (curFromNodeKey) {
                                                // Since the node is keyed it might be matched up later so we defer
                                                // the actual removal to later
                                                addKeyedRemoval(curFromNodeKey);
                                            } else {
                                                // NOTE: we skip nested keyed nodes from being removed since there is
                                                //       still a chance they will be matched up later
                                                removeNode(curFromNodeChild, fromEl, true /* skip keyed nodes */);

                                            }
                                            fromNextSibling = curFromNodeChild.nextSibling;
                                            curFromNodeChild = matchingFromEl;
                                        }
                                    } else {
                                        // The nodes are not compatible since the "to" node has a key and there
                                        // is no matching keyed node in the source tree
                                        isCompatible = false;
                                    }
                                }
                            } else if (curFromNodeKey) {
                                // The original has a key
                                isCompatible = false;
                            }

                            isCompatible = isCompatible !== false && compareNodeNames(curFromNodeChild, curToNodeChild);
                            if (isCompatible) {
                                // We found compatible DOM elements so transform
                                // the current "from" node to match the current
                                // target DOM node.
                                morphEl(curFromNodeChild, curToNodeChild);
                            }

                        } else if (curFromNodeType === TEXT_NODE || curFromNodeType == COMMENT_NODE) {
                            // Both nodes being compared are Text or Comment nodes
                            isCompatible = true;
                            // Simply update nodeValue on the original node to
                            // change the text value
                            curFromNodeChild.nodeValue = curToNodeChild.nodeValue;
                        }
                    }

                    if (isCompatible) {
                        // Advance both the "to" child and the "from" child since we found a match
                        curToNodeChild = toNextSibling;
                        curFromNodeChild = fromNextSibling;
                        continue outer;
                    }

                    // No compatible match so remove the old node from the DOM and continue trying to find a
                    // match in the original DOM. However, we only do this if the from node is not keyed
                    // since it is possible that a keyed node might match up with a node somewhere else in the
                    // target tree and we don't want to discard it just yet since it still might find a
                    // home in the final DOM tree. After everything is done we will remove any keyed nodes
                    // that didn't find a home
                    if (curFromNodeKey) {
                        // Since the node is keyed it might be matched up later so we defer
                        // the actual removal to later
                        addKeyedRemoval(curFromNodeKey);
                    } else {
                        // NOTE: we skip nested keyed nodes from being removed since there is
                        //       still a chance they will be matched up later
                        removeNode(curFromNodeChild, fromEl, true /* skip keyed nodes */);
                    }

                    curFromNodeChild = fromNextSibling;
                }

                // If we got this far then we did not find a candidate match for
                // our "to node" and we exhausted all of the children "from"
                // nodes. Therefore, we will just append the current "to" node
                // to the end
                if (curToNodeKey && (matchingFromEl = fromNodesLookup[curToNodeKey]) && compareNodeNames(matchingFromEl, curToNodeChild)) {
                    fromEl.appendChild(matchingFromEl);
                    morphEl(matchingFromEl, curToNodeChild);
                } else {
                    var onBeforeNodeAddedResult = onBeforeNodeAdded(curToNodeChild);
                    if (onBeforeNodeAddedResult !== false) {
                        if (onBeforeNodeAddedResult) {
                            curToNodeChild = onBeforeNodeAddedResult;
                        }

                        if (curToNodeChild.actualize) {
                            curToNodeChild = curToNodeChild.actualize(fromEl.ownerDocument || doc);
                        }
                        fromEl.appendChild(curToNodeChild);
                        handleNodeAdded(curToNodeChild);
                    }
                }

                curToNodeChild = toNextSibling;
                curFromNodeChild = fromNextSibling;
            }

            // We have processed all of the "to nodes". If curFromNodeChild is
            // non-null then we still have some from nodes left over that need
            // to be removed
            while (curFromNodeChild) {
                fromNextSibling = curFromNodeChild.nextSibling;
                if ((curFromNodeKey = getNodeKey(curFromNodeChild))) {
                    // Since the node is keyed it might be matched up later so we defer
                    // the actual removal to later
                    addKeyedRemoval(curFromNodeKey);
                } else {
                    // NOTE: we skip nested keyed nodes from being removed since there is
                    //       still a chance they will be matched up later
                    removeNode(curFromNodeChild, fromEl, true /* skip keyed nodes */);
                }
                curFromNodeChild = fromNextSibling;
            }
        }

        var specialElHandler = specialElHandlers[fromEl.nodeName];
        if (specialElHandler) {
            specialElHandler(fromEl, toEl);
        }
    } // END: morphEl(...)

    var morphedNode = fromNode;
    var morphedNodeType = morphedNode.nodeType;
    var toNodeType = toNode.nodeType;

    if (!childrenOnly) {
        // Handle the case where we are given two DOM nodes that are not
        // compatible (e.g. <div> --> <span> or <div> --> TEXT)
        if (morphedNodeType === ELEMENT_NODE) {
            if (toNodeType === ELEMENT_NODE) {
                if (!compareNodeNames(fromNode, toNode)) {
                    onNodeDiscarded(fromNode);
                    morphedNode = moveChildren(fromNode, createElementNS(toNode.nodeName, toNode.namespaceURI));
                }
            } else {
                // Going from an element node to a text node
                morphedNode = toNode;
            }
        } else if (morphedNodeType === TEXT_NODE || morphedNodeType === COMMENT_NODE) { // Text or comment node
            if (toNodeType === morphedNodeType) {
                morphedNode.nodeValue = toNode.nodeValue;
                return morphedNode;
            } else {
                // Text node to something else
                morphedNode = toNode;
            }
        }
    }

    if (morphedNode === toNode) {
        // The "to node" was not compatible with the "from node" so we had to
        // toss out the "from node" and use the "to node"
        onNodeDiscarded(fromNode);
    } else {
        morphEl(morphedNode, toNode, childrenOnly);

        // We now need to loop over any keyed nodes that might need to be
        // removed. We only do the removal if we know that the keyed node
        // never found a match. When a keyed node is matched up we remove
        // it out of fromNodesLookup and we use fromNodesLookup to determine
        // if a keyed node has been matched up or not
        if (keyedRemovalList) {
            for (var i=0, len=keyedRemovalList.length; i<len; i++) {
                var elToRemove = fromNodesLookup[keyedRemovalList[i]];
                if (elToRemove) {
                    removeNode(elToRemove, elToRemove.parentNode, false);
                }
            }
        }
    }

    if (!childrenOnly && morphedNode !== fromNode && fromNode.parentNode) {
        if (morphedNode.actualize) {
            morphedNode = morphedNode.actualize(fromNode.ownerDocument || doc);
        }
        // If we had to swap out the from node with a new node because the old
        // node was not compatible with the target node then we need to
        // replace the old DOM node in the original DOM tree. This is only
        // possible if the original DOM node was part of a DOM tree which
        // we know is the case if it has a parent node.
        fromNode.parentNode.replaceChild(morphedNode, fromNode);
    }

    return morphedNode;
}

module.exports = morphdom;

},{}],10:[function(require,module,exports){
module.exports = [
  // attribute events (can be set with attributes)
  'onclick',
  'ondblclick',
  'onmousedown',
  'onmouseup',
  'onmouseover',
  'onmousemove',
  'onmouseout',
  'ondragstart',
  'ondrag',
  'ondragenter',
  'ondragleave',
  'ondragover',
  'ondrop',
  'ondragend',
  'onkeydown',
  'onkeypress',
  'onkeyup',
  'onunload',
  'onabort',
  'onerror',
  'onresize',
  'onscroll',
  'onselect',
  'onchange',
  'onsubmit',
  'onreset',
  'onfocus',
  'onblur',
  'oninput',
  // other common events
  'oncontextmenu',
  'onfocusin',
  'onfocusout'
]

},{}],"choo/html":[function(require,module,exports){
module.exports = require('yo-yo')

},{"yo-yo":4}]},{},[])
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we receive more feedback\nmodule.exports.update = function (fromNode, toNode, opts) {\n  if (!opts) opts = {}\n  if (opts.events !== false) {\n    if (!opts.onBeforeElUpdated) opts.onBeforeElUpdated = copier\n  }\n\n  return morphdom(fromNode, toNode, opts)\n\n  // morphdom only copies attributes. we decided we also wanted to copy events\n  // that can be set via attributes\n  function copier (f, t) {\n    // copy events:\n    var events = opts.events || defaultEvents\n    for (var i = 0; i < events.length; i++) {\n      var ev = events[i]\n      if (t[ev]) { // if new element has a whitelisted attribute\n        f[ev] = t[ev] // update existing element\n      } else if (f[ev]) { // if existing element has it and new one doesnt\n        f[ev] = undefined // remove it from existing element\n      }\n    }\n    // copy values for form elements\n    if ((f.nodeName === 'INPUT' && f.type !== 'file') || f.nodeName === 'TEXTAREA' || f.nodeName === 'SELECT') {\n      if (t.getAttribute('value') === null) t.value = f.value\n    }\n  }\n}\n","var document = require('global/document')\r\nvar hyperx = require('hyperx')\r\nvar onload = require('on-load')\r\n\r\nvar SVGNS = 'http://www.w3.org/2000/svg'\r\nvar XLINKNS = 'http://www.w3.org/1999/xlink'\r\n\r\nvar BOOL_PROPS = {\r\n  autofocus: 1,\r\n  checked: 1,\r\n  defaultchecked: 1,\r\n  disabled: 1,\r\n  formnovalidate: 1,\r\n  indeterminate: 1,\r\n  readonly: 1,\r\n  required: 1,\r\n  selected: 1,\r\n  willvalidate: 1\r\n}\r\nvar SVG_TAGS = [\r\n  'svg',\r\n  'altGlyph', 'altGlyphDef', 'altGlyphItem', 'animate', 'animateColor',\r\n  'animateMotion', 'animateTransform', 'circle', 'clipPath', 'color-profile',\r\n  'cursor', 'defs', 'desc', 'ellipse', 'feBlend', 'feColorMatrix',\r\n  'feComponentTransfer', 'feComposite', 'feConvolveMatrix', 'feDiffuseLighting',\r\n  'feDisplacementMap', 'feDistantLight', 'feFlood', 'feFuncA', 'feFuncB',\r\n  'feFuncG', 'feFuncR', 'feGaussianBlur', 'feImage', 'feMerge', 'feMergeNode',\r\n  'feMorphology', 'feOffset', 'fePointLight', 'feSpecularLighting',\r\n  'feSpotLight', 'feTile', 'feTurbulence', 'filter', 'font', 'font-face',\r\n  'font-face-format', 'font-face-name', 'font-face-src', 'font-face-uri',\r\n  'foreignObject', 'g', 'glyph', 'glyphRef', 'hkern', 'image', 'line',\r\n  'linearGradient', 'marker', 'mask', 'metadata', 'missing-glyph', 'mpath',\r\n  'path', 'pattern', 'polygon', 'polyline', 'radialGradient', 'rect',\r\n  'set', 'stop', 'switch', 'symbol', 'text', 'textPath', 'title', 'tref',\r\n  'tspan', 'use', 'view', 'vkern'\r\n]\r\n\r\nfunction belCreateElement (tag, props, children) {\r\n  var el\r\n\r\n  // If an svg tag, it needs a namespace\r\n  if (SVG_TAGS.indexOf(tag) !== -1) {\r\n    props.namespace = SVGNS\r\n  }\r\n\r\n  // If we are using a namespace\r\n  var ns = false\r\n  if (props.namespace) {\r\n    ns = props.namespace\r\n    delete props.namespace\r\n  }\r\n\r\n  // Create the element\r\n  if (ns) {\r\n    el = document.createElementNS(ns, tag)\r\n  } else {\r\n    el = document.createElement(tag)\r\n  }\r\n\r\n  // If adding onload events\r\n  if (props.onload || props.onunload) {\r\n    var load = props.onload || function () {}\r\n    var unload = props.onunload || function () {}\r\n    onload(el, function belOnload () {\r\n      load(el)\r\n    }, function belOnunload () {\r\n      unload(el)\r\n    },\r\n    // We have to use non-standard `caller` to find who invokes `belCreateElement`\r\n    belCreateElement.caller.caller.caller)\r\n    delete props.onload\r\n    delete props.onunload\r\n  }\r\n\r\n  // Create the properties\r\n  for (var p in props) {\r\n    if (props.hasOwnProperty(p)) {\r\n      var key = p.toLowerCase()\r\n      var val = props[p]\r\n      // Normalize className\r\n      if (key === 'classname') {\r\n        key = 'class'\r\n        p = 'class'\r\n      }\r\n      // The for attribute gets transformed to htmlFor, but we just set as for\r\n      if (p === 'htmlFor') {\r\n        p = 'for'\r\n      }\r\n      // If a property is boolean, set itself to the key\r\n      if (BOOL_PROPS[key]) {\r\n        if (val === 'true') val = key\r\n        else if (val === 'false') continue\r\n      }\r\n      // If a property prefers being set directly vs setAttribute\r\n      if (key.slice(0, 2) === 'on') {\r\n        el[p] = val\r\n      } else {\r\n        if (ns) {\r\n          if (p === 'xlink:href') {\r\n            el.setAttributeNS(XLINKNS, p, val)\r\n          } else {\r\n            el.setAttributeNS(null, p, val)\r\n          }\r\n        } else {\r\n          el.setAttribute(p, val)\r\n        }\r\n      }\r\n    }\r\n  }\r\n\r\n  function appendChild (childs) {\r\n    if (!Array.isArray(childs)) return\r\n    for (var i = 0; i < childs.length; i++) {\r\n      var node = childs[i]\r\n      if (Array.isArray(node)) {\r\n        appendChild(node)\r\n        continue\r\n      }\r\n\r\n      if (typeof node === 'number' ||\r\n        typeof node === 'boolean' ||\r\n        node instanceof Date ||\r\n        node instanceof RegExp) {\r\n        node = node.toString()\r\n      }\r\n\r\n      if (typeof node === 'string') {\r\n        if (el.lastChild && el.lastChild.nodeName === '#text') {\r\n          el.lastChild.nodeValue += node\r\n          continue\r\n        }\r\n        node = document.createTextNode(node)\r\n      }\r\n\r\n      if (node && node.nodeType) {\r\n        el.appendChild(node)\r\n      }\r\n    }\r\n  }\r\n  appendChild(children)\r\n\r\n  return el\r\n}\r\n\r\nmodule.exports = hyperx(belCreateElement)\r\nmodule.exports.createElement = belCreateElement\r\n","var attrToProp = require('hyperscript-attribute-to-property')\n\nvar VAR = 0, TEXT = 1, OPEN = 2, CLOSE = 3, ATTR = 4\nvar ATTR_KEY = 5, ATTR_KEY_W = 6\nvar ATTR_VALUE_W = 7, ATTR_VALUE = 8\nvar ATTR_VALUE_SQ = 9, ATTR_VALUE_DQ = 10\nvar ATTR_EQ = 11, ATTR_BREAK = 12\n\nmodule.exports = function (h, opts) {\n  h = attrToProp(h)\n  if (!opts) opts = {}\n  var concat = opts.concat || function (a, b) {\n    return String(a) + String(b)\n  }\n\n  return function (strings) {\n    var state = TEXT, reg = ''\n    var arglen = arguments.length\n    var parts = []\n\n    for (var i = 0; i < strings.length; i++) {\n      if (i < arglen - 1) {\n        var arg = arguments[i+1]\n        var p = parse(strings[i])\n        var xstate = state\n        if (xstate === ATTR_VALUE_DQ) xstate = ATTR_VALUE\n        if (xstate === ATTR_VALUE_SQ) xstate = ATTR_VALUE\n        if (xstate === ATTR_VALUE_W) xstate = ATTR_VALUE\n        if (xstate === ATTR) xstate = ATTR_KEY\n        p.push([ VAR, xstate, arg ])\n        parts.push.apply(parts, p)\n      } else parts.push.apply(parts, parse(strings[i]))\n    }\n\n    var tree = [null,{},[]]\n    var stack = [[tree,-1]]\n    for (var i = 0; i < parts.length; i++) {\n      var cur = stack[stack.length-1][0]\n      var p = parts[i], s = p[0]\n      if (s === OPEN && /^\\//.test(p[1])) {\n        var ix = stack[stack.length-1][1]\n        if (stack.length > 1) {\n          stack.pop()\n          stack[stack.length-1][0][2][ix] = h(\n            cur[0], cur[1], cur[2].length ? cur[2] : undefined\n          )\n        }\n      } else if (s === OPEN) {\n        var c = [p[1],{},[]]\n        cur[2].push(c)\n        stack.push([c,cur[2].length-1])\n      } else if (s === ATTR_KEY || (s === VAR && p[1] === ATTR_KEY)) {\n        var key = ''\n        var copyKey\n        for (; i < parts.length; i++) {\n          if (parts[i][0] === ATTR_KEY) {\n            key = concat(key, parts[i][1])\n          } else if (parts[i][0] === VAR && parts[i][1] === ATTR_KEY) {\n            if (typeof parts[i][2] === 'object' && !key) {\n              for (copyKey in parts[i][2]) {\n                if (parts[i][2].hasOwnProperty(copyKey) && !cur[1][copyKey]) {\n                  cur[1][copyKey] = parts[i][2][copyKey]\n                }\n              }\n            } else {\n              key = concat(key, parts[i][2])\n            }\n          } else break\n        }\n        if (parts[i][0] === ATTR_EQ) i++\n        var j = i\n        for (; i < parts.length; i++) {\n          if (parts[i][0] === ATTR_VALUE || parts[i][0] === ATTR_KEY) {\n            if (!cur[1][key]) cur[1][key] = strfn(parts[i][1])\n            else cur[1][key] = concat(cur[1][key], parts[i][1])\n          } else if (parts[i][0] === VAR\n          && (parts[i][1] === ATTR_VALUE || parts[i][1] === ATTR_KEY)) {\n            if (!cur[1][key]) cur[1][key] = strfn(parts[i][2])\n            else cur[1][key] = concat(cur[1][key], parts[i][2])\n          } else {\n            if (key.length && !cur[1][key] && i === j\n            && (parts[i][0] === CLOSE || parts[i][0] === ATTR_BREAK)) {\n              // https://html.spec.whatwg.org/multipage/infrastructure.html#boolean-attributes\n              // empty string is falsy, not well behaved value in browser\n              cur[1][key] = key.toLowerCase()\n            }\n            break\n          }\n        }\n      } else if (s === ATTR_KEY) {\n        cur[1][p[1]] = true\n      } else if (s === VAR && p[1] === ATTR_KEY) {\n        cur[1][p[2]] = true\n      } else if (s === CLOSE) {\n        if (selfClosing(cur[0]) && stack.length) {\n          var ix = stack[stack.length-1][1]\n          stack.pop()\n          stack[stack.length-1][0][2][ix] = h(\n            cur[0], cur[1], cur[2].length ? cur[2] : undefined\n          )\n        }\n      } else if (s === VAR && p[1] === TEXT) {\n        if (p[2] === undefined || p[2] === null) p[2] = ''\n        else if (!p[2]) p[2] = concat('', p[2])\n        if (Array.isArray(p[2][0])) {\n          cur[2].push.apply(cur[2], p[2])\n        } else {\n          cur[2].push(p[2])\n        }\n      } else if (s === TEXT) {\n        cur[2].push(p[1])\n      } else if (s === ATTR_EQ || s === ATTR_BREAK) {\n        // no-op\n      } else {\n        throw new Error('unhandled: ' + s)\n      }\n    }\n\n    if (tree[2].length > 1 && /^\\s*$/.test(tree[2][0])) {\n      tree[2].shift()\n    }\n\n    if (tree[2].length > 2\n    || (tree[2].length === 2 && /\\S/.test(tree[2][1]))) {\n      throw new Error(\n        'multiple root elements must be wrapped in an enclosing tag'\n      )\n    }\n    if (Array.isArray(tree[2][0]) && typeof tree[2][0][0] === 'string'\n    && Array.isArray(tree[2][0][2])) {\n      tree[2][0] = h(tree[2][0][0], tree[2][0][1], tree[2][0][2])\n    }\n    return tree[2][0]\n\n    function parse (str) {\n      var res = []\n      if (state === ATTR_VALUE_W) state = ATTR\n      for (var i = 0; i < str.length; i++) {\n        var c = str.charAt(i)\n        if (state === TEXT && c === '<') {\n          if (reg.length) res.push([TEXT, reg])\n          reg = ''\n          state = OPEN\n        } else if (c === '>' && !quot(state)) {\n          if (state === OPEN) {\n            res.push([OPEN,reg])\n          } else if (state === ATTR_KEY) {\n            res.push([ATTR_KEY,reg])\n          } else if (state === ATTR_VALUE && reg.length) {\n            res.push([ATTR_VALUE,reg])\n          }\n          res.push([CLOSE])\n          reg = ''\n          state = TEXT\n        } else if (state === TEXT) {\n          reg += c\n        } else if (state === OPEN && /\\s/.test(c)) {\n          res.push([OPEN, reg])\n          reg = ''\n          state = ATTR\n        } else if (state === OPEN) {\n          reg += c\n        } else if (state === ATTR && /[\\w-]/.test(c)) {\n          state = ATTR_KEY\n          reg = c\n        } else if (state === ATTR && /\\s/.test(c)) {\n          if (reg.length) res.push([ATTR_KEY,reg])\n          res.push([ATTR_BREAK])\n        } else if (state === ATTR_KEY && /\\s/.test(c)) {\n          res.push([ATTR_KEY,reg])\n          reg = ''\n          state = ATTR_KEY_W\n        } else if (state === ATTR_KEY && c === '=') {\n          res.push([ATTR_KEY,reg],[ATTR_EQ])\n          reg = ''\n          state = ATTR_VALUE_W\n        } else if (state === ATTR_KEY) {\n          reg += c\n        } else if ((state === ATTR_KEY_W || state === ATTR) && c === '=') {\n          res.push([ATTR_EQ])\n          state = ATTR_VALUE_W\n        } else if ((state === ATTR_KEY_W || state === ATTR) && !/\\s/.test(c)) {\n          res.push([ATTR_BREAK])\n          if (/[\\w-]/.test(c)) {\n            reg += c\n            state = ATTR_KEY\n          } else state = ATTR\n        } else if (state === ATTR_VALUE_W && c === '\"') {\n          state = ATTR_VALUE_DQ\n        } else if (state === ATTR_VALUE_W && c === \"'\") {\n          state = ATTR_VALUE_SQ\n        } else if (state === ATTR_VALUE_DQ && c === '\"') {\n          res.push([ATTR_VALUE,reg],[ATTR_BREAK])\n          reg = ''\n          state = ATTR\n        } else if (state === ATTR_VALUE_SQ && c === \"'\") {\n          res.push([ATTR_VALUE,reg],[ATTR_BREAK])\n          reg = ''\n          state = ATTR\n        } else if (state === ATTR_VALUE_W && !/\\s/.test(c)) {\n          state = ATTR_VALUE\n          i--\n        } else if (state === ATTR_VALUE && /\\s/.test(c)) {\n          res.push([ATTR_VALUE,reg],[ATTR_BREAK])\n          reg = ''\n          state = ATTR\n        } else if (state === ATTR_VALUE || state === ATTR_VALUE_SQ\n        || state === ATTR_VALUE_DQ) {\n          reg += c\n        }\n      }\n      if (state === TEXT && reg.length) {\n        res.push([TEXT,reg])\n        reg = ''\n      } else if (state === ATTR_VALUE && reg.length) {\n        res.push([ATTR_VALUE,reg])\n        reg = ''\n      } else if (state === ATTR_VALUE_DQ && reg.length) {\n        res.push([ATTR_VALUE,reg])\n        reg = ''\n      } else if (state === ATTR_VALUE_SQ && reg.length) {\n        res.push([ATTR_VALUE,reg])\n        reg = ''\n      } else if (state === ATTR_KEY) {\n        res.push([ATTR_KEY,reg])\n        reg = ''\n      }\n      return res\n    }\n  }\n\n  function strfn (x) {\n    if (typeof x === 'function') return x\n    else if (typeof x === 'string') return x\n    else if (x && typeof x === 'object') return x\n    else return concat('', x)\n  }\n}\n\nfunction quot (state) {\n  return state === ATTR_VALUE_SQ || state === ATTR_VALUE_DQ\n}\n\nvar hasOwn = Object.prototype.hasOwnProperty\nfunction has (obj, key) { return hasOwn.call(obj, key) }\n\nvar closeRE = RegExp('^(' + [\n  'area', 'base', 'basefont', 'bgsound', 'br', 'col', 'command', 'embed',\n  'frame', 'hr', 'img', 'input', 'isindex', 'keygen', 'link', 'meta', 'param',\n  'source', 'track', 'wbr',\n  // SVG TAGS\n  'animate', 'animateTransform', 'circle', 'cursor', 'desc', 'ellipse',\n  'feBlend', 'feColorMatrix', 'feComposite',\n  'feConvolveMatrix', 'feDiffuseLighting', 'feDisplacementMap',\n  'feDistantLight', 'feFlood', 'feFuncA', 'feFuncB', 'feFuncG', 'feFuncR',\n  'feGaussianBlur', 'feImage', 'feMergeNode', 'feMorphology',\n  'feOffset', 'fePointLight', 'feSpecularLighting', 'feSpotLight', 'feTile',\n  'feTurbulence', 'font-face-format', 'font-face-name', 'font-face-uri',\n  'glyph', 'glyphRef', 'hkern', 'image', 'line', 'missing-glyph', 'mpath',\n  'path', 'polygon', 'polyline', 'rect', 'set', 'stop', 'tref', 'use', 'view',\n  'vkern'\n].join('|') + ')(?:[\\.#][a-zA-Z0-9\\u007F-\\uFFFF_:-]+)*$')\nfunction selfClosing (tag) { return closeRE.test(tag) }\n","module.exports = attributeToProperty\n\nvar transform = {\n  'class': 'className',\n  'for': 'htmlFor',\n  'http-equiv': 'httpEquiv'\n}\n\nfunction attributeToProperty (h) {\n  return function (tagName, attrs, children) {\n    for (var attr in attrs) {\n      if (attr in transform) {\n        attrs[transform[attr]] = attrs[attr]\n        delete attrs[attr]\n      }\n    }\n    return h(tagName, attrs, children)\n  }\n}\n","/* global MutationObserver */\nvar document = require('global/document')\nvar window = require('global/window')\nvar watch = Object.create(null)\nvar KEY_ID = 'onloadid' + (new Date() % 9e6).toString(36)\nvar KEY_ATTR = 'data-' + KEY_ID\nvar INDEX = 0\n\nif (window && window.MutationObserver) {\n  var observer = new MutationObserver(function (mutations) {\n    if (Object.keys(watch).length < 1) return\n    for (var i = 0; i < mutations.length; i++) {\n      if (mutations[i].attributeName === KEY_ATTR) {\n        eachAttr(mutations[i], turnon, turnoff)\n        continue\n      }\n      eachMutation(mutations[i].removedNodes, turnoff)\n      eachMutation(mutations[i].addedNodes, turnon)\n    }\n  })\n  observer.observe(document.body, {\n    childList: true,\n    subtree: true,\n    attributes: true,\n    attributeOldValue: true,\n    attributeFilter: [KEY_ATTR]\n  })\n}\n\nmodule.exports = function onload (el, on, off, caller) {\n  on = on || function () {}\n  off = off || function () {}\n  el.setAttribute(KEY_ATTR, 'o' + INDEX)\n  watch['o' + INDEX] = [on, off, 0, caller || onload.caller]\n  INDEX += 1\n  return el\n}\n\nfunction turnon (index, el) {\n  if (watch[index][0] && watch[index][2] === 0) {\n    watch[index][0](el)\n    watch[index][2] = 1\n  }\n}\n\nfunction turnoff (index, el) {\n  if (watch[index][1] && watch[index][2] === 1) {\n    watch[index][1](el)\n    watch[index][2] = 0\n  }\n}\n\nfunction eachAttr (mutation, on, off) {\n  var newValue = mutation.target.getAttribute(KEY_ATTR)\n  if (sameOrigin(mutation.oldValue, newValue)) {\n    watch[newValue] = watch[mutation.oldValue]\n    return\n  }\n  if (watch[mutation.oldValue]) {\n    off(mutation.oldValue, mutation.target)\n  }\n  if (watch[newValue]) {\n    on(newValue, mutation.target)\n  }\n}\n\nfunction sameOrigin (oldValue, newValue) {\n  if (!oldValue || !newValue) return false\n  return watch[oldValue][3] === watch[newValue][3]\n}\n\nfunction eachMutation (nodes, fn) {\n  var keys = Object.keys(watch)\n  for (var i = 0; i < nodes.length; i++) {\n    if (nodes[i] && nodes[i].getAttribute && nodes[i].getAttribute(KEY_ATTR)) {\n      var onloadid = nodes[i].getAttribute(KEY_ATTR)\n      keys.forEach(function (k) {\n        if (onloadid === k) {\n          fn(k, nodes[i])\n        }\n      })\n    }\n    if (nodes[i].childNodes.length > 0) {\n      eachMutation(nodes[i].childNodes, fn)\n    }\n  }\n}\n","'use strict';\n// Create a range object for efficently rendering strings to elements.\nvar range;\n\nvar doc = typeof document !== 'undefined' && document;\n\nvar testEl = doc ?\n    doc.body || doc.createElement('div') :\n    {};\n\nvar NS_XHTML = 'http://www.w3.org/1999/xhtml';\n\nvar ELEMENT_NODE = 1;\nvar TEXT_NODE = 3;\nvar COMMENT_NODE = 8;\n\n// Fixes <https://github.com/patrick-steele-idem/morphdom/issues/32>\n// (IE7+ support) <=IE7 does not support el.hasAttribute(name)\nvar hasAttributeNS;\n\nif (testEl.hasAttributeNS) {\n    hasAttributeNS = function(el, namespaceURI, name) {\n        return el.hasAttributeNS(namespaceURI, name);\n    };\n} else if (testEl.hasAttribute) {\n    hasAttributeNS = function(el, namespaceURI, name) {\n        return el.hasAttribute(name);\n    };\n} else {\n    hasAttributeNS = function(el, namespaceURI, name) {\n        return !!el.getAttributeNode(name);\n    };\n}\n\nfunction toElement(str) {\n    if (!range && doc.createRange) {\n        range = doc.createRange();\n        range.selectNode(doc.body);\n    }\n\n    var fragment;\n    if (range && range.createContextualFragment) {\n        fragment = range.createContextualFragment(str);\n    } else {\n        fragment = doc.createElement('body');\n        fragment.innerHTML = str;\n    }\n    return fragment.childNodes[0];\n}\n\nfunction syncBooleanAttrProp(fromEl, toEl, name) {\n    if (fromEl[name] !== toEl[name]) {\n        fromEl[name] = toEl[name];\n        if (fromEl[name]) {\n            fromEl.setAttribute(name, '');\n        } else {\n            fromEl.removeAttribute(name, '');\n        }\n    }\n}\n\nvar specialElHandlers = {\n    /**\n     * Needed for IE. Apparently IE doesn't think that \"selected\" is an\n     * attribute when reading over the attributes using selectEl.attributes\n     */\n    OPTION: function(fromEl, toEl) {\n        syncBooleanAttrProp(fromEl, toEl, 'selected');\n    },\n    /**\n     * The \"value\" attribute is special for the <input> element since it sets\n     * the initial value. Changing the \"value\" attribute without changing the\n     * \"value\" property will have no effect since it is only used to the set the\n     * initial value.  Similar for the \"checked\" attribute, and \"disabled\".\n     */\n    INPUT: function(fromEl, toEl) {\n        syncBooleanAttrProp(fromEl, toEl, 'checked');\n        syncBooleanAttrProp(fromEl, toEl, 'disabled');\n\n        if (fromEl.value !== toEl.value) {\n            fromEl.value = toEl.value;\n        }\n\n        if (!hasAttributeNS(toEl, null, 'value')) {\n            fromEl.removeAttribute('value');\n        }\n    },\n\n    TEXTAREA: function(fromEl, toEl) {\n        var newValue = toEl.value;\n        if (fromEl.value !== newValue) {\n            fromEl.value = newValue;\n        }\n\n        if (fromEl.firstChild) {\n            fromEl.firstChild.nodeValue = newValue;\n        }\n    }\n};\n\nfunction noop() {}\n\n/**\n * Returns true if two node's names are the same.\n *\n * NOTE: We don't bother checking `namespaceURI` because you will never find two HTML elements with the same\n *       nodeName and different namespace URIs.\n *\n * @param {Element} a\n * @param {Element} b The target element\n * @return {boolean}\n */\nfunction compareNodeNames(fromEl, toEl) {\n    var fromNodeName = fromEl.nodeName;\n    var toNodeName = toEl.nodeName;\n\n    if (fromNodeName === toNodeName) {\n        return true;\n    }\n\n    if (toEl.actualize &&\n        fromNodeName.charCodeAt(0) < 91 && /* from tag name is upper case */\n        toNodeName.charCodeAt(0) > 90 /* target tag name is lower case */) {\n        // If the target element is a virtual DOM node then we may need to normalize the tag name\n        // before comparing. Normal HTML elements that are in the \"http://www.w3.org/1999/xhtml\"\n        // are converted to upper case\n        return fromNodeName === toNodeName.toUpperCase();\n    } else {\n        return false;\n    }\n}\n\n/**\n * Create an element, optionally with a known namespace URI.\n *\n * @param {string} name the element name, e.g. 'div' or 'svg'\n * @param {string} [namespaceURI] the element's namespace URI, i.e. the value of\n * its `xmlns` attribute or its inferred namespace.\n *\n * @return {Element}\n */\nfunction createElementNS(name, namespaceURI) {\n    return !namespaceURI || namespaceURI === NS_XHTML ?\n        doc.createElement(name) :\n        doc.createElementNS(namespaceURI, name);\n}\n\n/**\n * Loop over all of the attributes on the target node and make sure the original\n * DOM node has the same attributes. If an attribute found on the original node\n * is not on the new node then remove it from the original node.\n *\n * @param  {Element} fromNode\n * @param  {Element} toNode\n */\nfunction morphAttrs(fromNode, toNode) {\n    var attrs = toNode.attributes;\n    var i;\n    var attr;\n    var attrName;\n    var attrNamespaceURI;\n    var attrValue;\n    var fromValue;\n\n    if (toNode.assignAttributes) {\n        toNode.assignAttributes(fromNode);\n    } else {\n        for (i = attrs.length - 1; i >= 0; --i) {\n            attr = attrs[i];\n            attrName = attr.name;\n            attrNamespaceURI = attr.namespaceURI;\n            attrValue = attr.value;\n\n            if (attrNamespaceURI) {\n                attrName = attr.localName || attrName;\n                fromValue = fromNode.getAttributeNS(attrNamespaceURI, attrName);\n\n                if (fromValue !== attrValue) {\n                    fromNode.setAttributeNS(attrNamespaceURI, attrName, attrValue);\n                }\n            } else {\n                fromValue = fromNode.getAttribute(attrName);\n\n                if (fromValue !== attrValue) {\n                    fromNode.setAttribute(attrName, attrValue);\n                }\n            }\n        }\n    }\n\n    // Remove any extra attributes found on the original DOM element that\n    // weren't found on the target element.\n    attrs = fromNode.attributes;\n\n    for (i = attrs.length - 1; i >= 0; --i) {\n        attr = attrs[i];\n        if (attr.specified !== false) {\n            attrName = attr.name;\n            attrNamespaceURI = attr.namespaceURI;\n\n            if (attrNamespaceURI) {\n                attrName = attr.localName || attrName;\n\n                if (!hasAttributeNS(toNode, attrNamespaceURI, attrName)) {\n                    fromNode.removeAttributeNS(attrNamespaceURI, attrName);\n                }\n            } else {\n                if (!hasAttributeNS(toNode, null, attrName)) {\n                    fromNode.removeAttribute(attrName);\n                }\n            }\n        }\n    }\n}\n\n/**\n * Copies the children of one DOM element to another DOM element\n */\nfunction moveChildren(fromEl, toEl) {\n    var curChild = fromEl.firstChild;\n    while (curChild) {\n        var nextChild = curChild.nextSibling;\n        toEl.appendChild(curChild);\n        curChild = nextChild;\n    }\n    return toEl;\n}\n\nfunction defaultGetNodeKey(node) {\n    return node.id;\n}\n\nfunction morphdom(fromNode, toNode, options) {\n    if (!options) {\n        options = {};\n    }\n\n    if (typeof toNode === 'string') {\n        if (fromNode.nodeName === '#document' || fromNode.nodeName === 'HTML') {\n            var toNodeHtml = toNode;\n            toNode = doc.createElement('html');\n            toNode.innerHTML = toNodeHtml;\n        } else {\n            toNode = toElement(toNode);\n        }\n    }\n\n    var getNodeKey = options.getNodeKey || defaultGetNodeKey;\n    var onBeforeNodeAdded = options.onBeforeNodeAdded || noop;\n    var onNodeAdded = options.onNodeAdded || noop;\n    var onBeforeElUpdated = options.onBeforeElUpdated || noop;\n    var onElUpdated = options.onElUpdated || noop;\n    var onBeforeNodeDiscarded = options.onBeforeNodeDiscarded || noop;\n    var onNodeDiscarded = options.onNodeDiscarded || noop;\n    var onBeforeElChildrenUpdated = options.onBeforeElChildrenUpdated || noop;\n    var childrenOnly = options.childrenOnly === true;\n\n    // This object is used as a lookup to quickly find all keyed elements in the original DOM tree.\n    var fromNodesLookup = {};\n    var keyedRemovalList;\n\n    function addKeyedRemoval(key) {\n        if (keyedRemovalList) {\n            keyedRemovalList.push(key);\n        } else {\n            keyedRemovalList = [key];\n        }\n    }\n\n    function walkDiscardedChildNodes(node, skipKeyedNodes) {\n        if (node.nodeType === ELEMENT_NODE) {\n            var curChild = node.firstChild;\n            while (curChild) {\n\n                var key = undefined;\n\n                if (skipKeyedNodes && (key = getNodeKey(curChild))) {\n                    // If we are skipping keyed nodes then we add the key\n                    // to a list so that it can be handled at the very end.\n                    addKeyedRemoval(key);\n                } else {\n                    // Only report the node as discarded if it is not keyed. We do this because\n                    // at the end we loop through all keyed elements that were unmatched\n                    // and then discard them in one final pass.\n                    onNodeDiscarded(curChild);\n                    if (curChild.firstChild) {\n                        walkDiscardedChildNodes(curChild, skipKeyedNodes);\n                    }\n                }\n\n                curChild = curChild.nextSibling;\n            }\n        }\n    }\n\n    /**\n     * Removes a DOM node out of the original DOM\n     *\n     * @param  {Node} node The node to remove\n     * @param  {Node} parentNode The nodes parent\n     * @param  {Boolean} skipKeyedNodes If true then elements with keys will be skipped and not discarded.\n     * @return {undefined}\n     */\n    function removeNode(node, parentNode, skipKeyedNodes) {\n        if (onBeforeNodeDiscarded(node) === false) {\n            return;\n        }\n\n        if (parentNode) {\n            parentNode.removeChild(node);\n        }\n\n        onNodeDiscarded(node);\n        walkDiscardedChildNodes(node, skipKeyedNodes);\n    }\n\n    // // TreeWalker implementation is no faster, but keeping this around in case this changes in the future\n    // function indexTree(root) {\n    //     var treeWalker = document.createTreeWalker(\n    //         root,\n    //         NodeFilter.SHOW_ELEMENT);\n    //\n    //     var el;\n    //     while((el = treeWalker.nextNode())) {\n    //         var key = getNodeKey(el);\n    //         if (key) {\n    //             fromNodesLookup[key] = el;\n    //         }\n    //     }\n    // }\n\n    // // NodeIterator implementation is no faster, but keeping this around in case this changes in the future\n    //\n    // function indexTree(node) {\n    //     var nodeIterator = document.createNodeIterator(node, NodeFilter.SHOW_ELEMENT);\n    //     var el;\n    //     while((el = nodeIterator.nextNode())) {\n    //         var key = getNodeKey(el);\n    //         if (key) {\n    //             fromNodesLookup[key] = el;\n    //         }\n    //     }\n    // }\n\n    function indexTree(node) {\n        if (node.nodeType === ELEMENT_NODE) {\n            var curChild = node.firstChild;\n            while (curChild) {\n                var key = getNodeKey(curChild);\n                if (key) {\n                    fromNodesLookup[key] = curChild;\n                }\n\n                // Walk recursively\n                indexTree(curChild);\n\n                curChild = curChild.nextSibling;\n            }\n        }\n    }\n\n    indexTree(fromNode);\n\n    function handleNodeAdded(el) {\n        onNodeAdded(el);\n\n        var curChild = el.firstChild;\n        while (curChild) {\n            var nextSibling = curChild.nextSibling;\n\n            var key = getNodeKey(curChild);\n            if (key) {\n                var unmatchedFromEl = fromNodesLookup[key];\n                if (unmatchedFromEl && compareNodeNames(curChild, unmatchedFromEl)) {\n                    curChild.parentNode.replaceChild(unmatchedFromEl, curChild);\n                    morphEl(unmatchedFromEl, curChild);\n                }\n            }\n\n            handleNodeAdded(curChild);\n            curChild = nextSibling;\n        }\n    }\n\n    function morphEl(fromEl, toEl, childrenOnly) {\n        var toElKey = getNodeKey(toEl);\n        var curFromNodeKey;\n\n        if (toElKey) {\n            // If an element with an ID is being morphed then it is will be in the final\n            // DOM so clear it out of the saved elements collection\n            delete fromNodesLookup[toElKey];\n        }\n\n        if (toNode.isSameNode && toNode.isSameNode(fromNode)) {\n            return;\n        }\n\n        if (!childrenOnly) {\n            if (onBeforeElUpdated(fromEl, toEl) === false) {\n                return;\n            }\n\n            morphAttrs(fromEl, toEl);\n            onElUpdated(fromEl);\n\n            if (onBeforeElChildrenUpdated(fromEl, toEl) === false) {\n                return;\n            }\n        }\n\n        if (fromEl.nodeName !== 'TEXTAREA') {\n            var curToNodeChild = toEl.firstChild;\n            var curFromNodeChild = fromEl.firstChild;\n            var curToNodeKey;\n\n            var fromNextSibling;\n            var toNextSibling;\n            var matchingFromEl;\n\n            outer: while (curToNodeChild) {\n                toNextSibling = curToNodeChild.nextSibling;\n                curToNodeKey = getNodeKey(curToNodeChild);\n\n                while (curFromNodeChild) {\n                    fromNextSibling = curFromNodeChild.nextSibling;\n\n                    if (curToNodeChild.isSameNode && curToNodeChild.isSameNode(curFromNodeChild)) {\n                        curToNodeChild = toNextSibling;\n                        curFromNodeChild = fromNextSibling;\n                        continue outer;\n                    }\n\n                    curFromNodeKey = getNodeKey(curFromNodeChild);\n\n                    var curFromNodeType = curFromNodeChild.nodeType;\n\n                    var isCompatible = undefined;\n\n                    if (curFromNodeType === curToNodeChild.nodeType) {\n                        if (curFromNodeType === ELEMENT_NODE) {\n                            // Both nodes being compared are Element nodes\n\n                            if (curToNodeKey) {\n                                // The target node has a key so we want to match it up with the correct element\n                                // in the original DOM tree\n                                if (curToNodeKey !== curFromNodeKey) {\n                                    // The current element in the original DOM tree does not have a matching key so\n                                    // let's check our lookup to see if there is a matching element in the original\n                                    // DOM tree\n                                    if ((matchingFromEl = fromNodesLookup[curToNodeKey])) {\n                                        if (curFromNodeChild.nextSibling === matchingFromEl) {\n                                            // Special case for single element removals. To avoid removing the original\n                                            // DOM node out of the tree (since that can break CSS transitions, etc.),\n                                            // we will instead discard the current node and wait until the next\n                                            // iteration to properly match up the keyed target element with its matching\n                                            // element in the original tree\n                                            isCompatible = false;\n                                        } else {\n                                            // We found a matching keyed element somewhere in the original DOM tree.\n                                            // Let's moving the original DOM node into the current position and morph\n                                            // it.\n\n                                            // NOTE: We use insertBefore instead of replaceChild because we want to go through\n                                            // the `removeNode()` function for the node that is being discarded so that\n                                            // all lifecycle hooks are correctly invoked\n                                            fromEl.insertBefore(matchingFromEl, curFromNodeChild);\n\n                                            if (curFromNodeKey) {\n                                                // Since the node is keyed it might be matched up later so we defer\n                                                // the actual removal to later\n                                                addKeyedRemoval(curFromNodeKey);\n                                            } else {\n                                                // NOTE: we skip nested keyed nodes from being removed since there is\n                                                //       still a chance they will be matched up later\n                                                removeNode(curFromNodeChild, fromEl, true /* skip keyed nodes */);\n\n                                            }\n                                            fromNextSibling = curFromNodeChild.nextSibling;\n                                            curFromNodeChild = matchingFromEl;\n                                        }\n                                    } else {\n                                        // The nodes are not compatible since the \"to\" node has a key and there\n                                        // is no matching keyed node in the source tree\n                                        isCompatible = false;\n                                    }\n                                }\n                            } else if (curFromNodeKey) {\n                                // The original has a key\n                                isCompatible = false;\n                            }\n\n                            isCompatible = isCompatible !== false && compareNodeNames(curFromNodeChild, curToNodeChild);\n                            if (isCompatible) {\n                                // We found compatible DOM elements so transform\n                                // the current \"from\" node to match the current\n                                // target DOM node.\n                                morphEl(curFromNodeChild, curToNodeChild);\n                            }\n\n                        } else if (curFromNodeType === TEXT_NODE || curFromNodeType == COMMENT_NODE) {\n                            // Both nodes being compared are Text or Comment nodes\n                            isCompatible = true;\n                            // Simply update nodeValue on the original node to\n                            // change the text value\n                            curFromNodeChild.nodeValue = curToNodeChild.nodeValue;\n                        }\n                    }\n\n                    if (isCompatible) {\n                        // Advance both the \"to\" child and the \"from\" child since we found a match\n                        curToNodeChild = toNextSibling;\n                        curFromNodeChild = fromNextSibling;\n                        continue outer;\n                    }\n\n                    // No compatible match so remove the old node from the DOM and continue trying to find a\n                    // match in the original DOM. However, we only do this if the from node is not keyed\n                    // since it is possible that a keyed node might match up with a node somewhere else in the\n                    // target tree and we don't want to discard it just yet since it still might find a\n                    // home in the final DOM tree. After everything is done we will remove any keyed nodes\n                    // that didn't find a home\n                    if (curFromNodeKey) {\n                        // Since the node is keyed it might be matched up later so we defer\n                        // the actual removal to later\n                        addKeyedRemoval(curFromNodeKey);\n                    } else {\n                        // NOTE: we skip nested keyed nodes from being removed since there is\n                        //       still a chance they will be matched up later\n                        removeNode(curFromNodeChild, fromEl, true /* skip keyed nodes */);\n                    }\n\n                    curFromNodeChild = fromNextSibling;\n                }\n\n                // If we got this far then we did not find a candidate match for\n                // our \"to node\" and we exhausted all of the children \"from\"\n                // nodes. Therefore, we will just append the current \"to\" node\n                // to the end\n                if (curToNodeKey && (matchingFromEl = fromNodesLookup[curToNodeKey]) && compareNodeNames(matchingFromEl, curToNodeChild)) {\n                    fromEl.appendChild(matchingFromEl);\n                    morphEl(matchingFromEl, curToNodeChild);\n                } else {\n                    var onBeforeNodeAddedResult = onBeforeNodeAdded(curToNodeChild);\n                    if (onBeforeNodeAddedResult !== false) {\n                        if (onBeforeNodeAddedResult) {\n                            curToNodeChild = onBeforeNodeAddedResult;\n                        }\n\n                        if (curToNodeChild.actualize) {\n                            curToNodeChild = curToNodeChild.actualize(fromEl.ownerDocument || doc);\n                        }\n                        fromEl.appendChild(curToNodeChild);\n                        handleNodeAdded(curToNodeChild);\n                    }\n                }\n\n                curToNodeChild = toNextSibling;\n                curFromNodeChild = fromNextSibling;\n            }\n\n            // We have processed all of the \"to nodes\". If curFromNodeChild is\n            // non-null then we still have some from nodes left over that need\n            // to be removed\n            while (curFromNodeChild) {\n                fromNextSibling = curFromNodeChild.nextSibling;\n                if ((curFromNodeKey = getNodeKey(curFromNodeChild))) {\n                    // Since the node is keyed it might be matched up later so we defer\n                    // the actual removal to later\n                    addKeyedRemoval(curFromNodeKey);\n                } else {\n                    // NOTE: we skip nested keyed nodes from being removed since there is\n                    //       still a chance they will be matched up later\n                    removeNode(curFromNodeChild, fromEl, true /* skip keyed nodes */);\n                }\n                curFromNodeChild = fromNextSibling;\n            }\n        }\n\n        var specialElHandler = specialElHandlers[fromEl.nodeName];\n        if (specialElHandler) {\n            specialElHandler(fromEl, toEl);\n        }\n    } // END: morphEl(...)\n\n    var morphedNode = fromNode;\n    var morphedNodeType = morphedNode.nodeType;\n    var toNodeType = toNode.nodeType;\n\n    if (!childrenOnly) {\n        // Handle the case where we are given two DOM nodes that are not\n        // compatible (e.g. <div> --> <span> or <div> --> TEXT)\n        if (morphedNodeType === ELEMENT_NODE) {\n            if (toNodeType === ELEMENT_NODE) {\n                if (!compareNodeNames(fromNode, toNode)) {\n                    onNodeDiscarded(fromNode);\n                    morphedNode = moveChildren(fromNode, createElementNS(toNode.nodeName, toNode.namespaceURI));\n                }\n            } else {\n                // Going from an element node to a text node\n                morphedNode = toNode;\n            }\n        } else if (morphedNodeType === TEXT_NODE || morphedNodeType === COMMENT_NODE) { // Text or comment node\n            if (toNodeType === morphedNodeType) {\n                morphedNode.nodeValue = toNode.nodeValue;\n                return morphedNode;\n            } else {\n                // Text node to something else\n                morphedNode = toNode;\n            }\n        }\n    }\n\n    if (morphedNode === toNode) {\n        // The \"to node\" was not compatible with the \"from node\" so we had to\n        // toss out the \"from node\" and use the \"to node\"\n        onNodeDiscarded(fromNode);\n    } else {\n        morphEl(morphedNode, toNode, childrenOnly);\n\n        // We now need to loop over any keyed nodes that might need to be\n        // removed. We only do the removal if we know that the keyed node\n        // never found a match. When a keyed node is matched up we remove\n        // it out of fromNodesLookup and we use fromNodesLookup to determine\n        // if a keyed node has been matched up or not\n        if (keyedRemovalList) {\n            for (var i=0, len=keyedRemovalList.length; i<len; i++) {\n                var elToRemove = fromNodesLookup[keyedRemovalList[i]];\n                if (elToRemove) {\n                    removeNode(elToRemove, elToRemove.parentNode, false);\n                }\n            }\n        }\n    }\n\n    if (!childrenOnly && morphedNode !== fromNode && fromNode.parentNode) {\n        if (morphedNode.actualize) {\n            morphedNode = morphedNode.actualize(fromNode.ownerDocument || doc);\n        }\n        // If we had to swap out the from node with a new node because the old\n        // node was not compatible with the target node then we need to\n        // replace the old DOM node in the original DOM tree. This is only\n        // possible if the original DOM node was part of a DOM tree which\n        // we know is the case if it has a parent node.\n        fromNode.parentNode.replaceChild(morphedNode, fromNode);\n    }\n\n    return morphedNode;\n}\n\nmodule.exports = morphdom;\n","module.exports = [\n  // attribute events (can be set with attributes)\n  'onclick',\n  'ondblclick',\n  'onmousedown',\n  'onmouseup',\n  'onmouseover',\n  'onmousemove',\n  'onmouseout',\n  'ondragstart',\n  'ondrag',\n  'ondragenter',\n  'ondragleave',\n  'ondragover',\n  'ondrop',\n  'ondragend',\n  'onkeydown',\n  'onkeypress',\n  'onkeyup',\n  'onunload',\n  'onabort',\n  'onerror',\n  'onresize',\n  'onscroll',\n  'onselect',\n  'onchange',\n  'onsubmit',\n  'onreset',\n  'onfocus',\n  'onblur',\n  'oninput',\n  // other common events\n  'oncontextmenu',\n  'onfocusin',\n  'onfocusout'\n]\n","module.exports = require('yo-yo')\n"]}
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){
// http://wiki.commonjs.org/wiki/Unit_Testing/1.0
//
// THIS IS NOT TESTED NOR LIKELY TO WORK OUTSIDE V8!
//
// Originally from narwhal.js (http://narwhaljs.org)
// Copyright (c) 2009 Thomas Robinson <280north.com>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the 'Software'), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

// when used in node, this will actually load the util module we depend on
// versus loading the builtin util module as happens otherwise
// this is a bug in node module loading as far as I am concerned
var util = require('util/');

var pSlice = Array.prototype.slice;
var hasOwn = Object.prototype.hasOwnProperty;

// 1. The assert module provides functions that throw
// AssertionError's when particular conditions are not met. The
// assert module must conform to the following interface.

var assert = module.exports = ok;

// 2. The AssertionError is defined in assert.
// new assert.AssertionError({ message: message,
//                             actual: actual,
//                             expected: expected })

assert.AssertionError = function AssertionError(options) {
  this.name = 'AssertionError';
  this.actual = options.actual;
  this.expected = options.expected;
  this.operator = options.operator;
  if (options.message) {
    this.message = options.message;
    this.generatedMessage = false;
  } else {
    this.message = getMessage(this);
    this.generatedMessage = true;
  }
  var stackStartFunction = options.stackStartFunction || fail;

  if (Error.captureStackTrace) {
    Error.captureStackTrace(this, stackStartFunction);
  }
  else {
    // non v8 browsers so we can have a stacktrace
    var err = new Error();
    if (err.stack) {
      var out = err.stack;

      // try to strip useless frames
      var fn_name = stackStartFunction.name;
      var idx = out.indexOf('\n' + fn_name);
      if (idx >= 0) {
        // once we have located the function frame
        // we need to strip out everything before it (and its line)
        var next_line = out.indexOf('\n', idx + 1);
        out = out.substring(next_line + 1);
      }

      this.stack = out;
    }
  }
};

// assert.AssertionError instanceof Error
util.inherits(assert.AssertionError, Error);

function replacer(key, value) {
  if (util.isUndefined(value)) {
    return '' + value;
  }
  if (util.isNumber(value) && (isNaN(value) || !isFinite(value))) {
    return value.toString();
  }
  if (util.isFunction(value) || util.isRegExp(value)) {
    return value.toString();
  }
  return value;
}

function truncate(s, n) {
  if (util.isString(s)) {
    return s.length < n ? s : s.slice(0, n);
  } else {
    return s;
  }
}

function getMessage(self) {
  return truncate(JSON.stringify(self.actual, replacer), 128) + ' ' +
         self.operator + ' ' +
         truncate(JSON.stringify(self.expected, replacer), 128);
}

// At present only the three keys mentioned above are used and
// understood by the spec. Implementations or sub modules can pass
// other keys to the AssertionError's constructor - they will be
// ignored.

// 3. All of the following functions must throw an AssertionError
// when a corresponding condition is not met, with a message that
// may be undefined if not provided.  All assertion methods provide
// both the actual and expected values to the assertion error for
// display purposes.

function fail(actual, expected, message, operator, stackStartFunction) {
  throw new assert.AssertionError({
    message: message,
    actual: actual,
    expected: expected,
    operator: operator,
    stackStartFunction: stackStartFunction
  });
}

// EXTENSION! allows for well behaved errors defined elsewhere.
assert.fail = fail;

// 4. Pure assertion tests whether a value is truthy, as determined
// by !!guard.
// assert.ok(guard, message_opt);
// This statement is equivalent to assert.equal(true, !!guard,
// message_opt);. To test strictly for the value true, use
// assert.strictEqual(true, guard, message_opt);.

function ok(value, message) {
  if (!value) fail(value, true, message, '==', assert.ok);
}
assert.ok = ok;

// 5. The equality assertion tests shallow, coercive equality with
// ==.
// assert.equal(actual, expected, message_opt);

assert.equal = function equal(actual, expected, message) {
  if (actual != expected) fail(actual, expected, message, '==', assert.equal);
};

// 6. The non-equality assertion tests for whether two objects are not equal
// with != assert.notEqual(actual, expected, message_opt);

assert.notEqual = function notEqual(actual, expected, message) {
  if (actual == expected) {
    fail(actual, expected, message, '!=', assert.notEqual);
  }
};

// 7. The equivalence assertion tests a deep equality relation.
// assert.deepEqual(actual, expected, message_opt);

assert.deepEqual = function deepEqual(actual, expected, message) {
  if (!_deepEqual(actual, expected)) {
    fail(actual, expected, message, 'deepEqual', assert.deepEqual);
  }
};

function _deepEqual(actual, expected) {
  // 7.1. All identical values are equivalent, as determined by ===.
  if (actual === expected) {
    return true;

  } else if (util.isBuffer(actual) && util.isBuffer(expected)) {
    if (actual.length != expected.length) return false;

    for (var i = 0; i < actual.length; i++) {
      if (actual[i] !== expected[i]) return false;
    }

    return true;

  // 7.2. If the expected value is a Date object, the actual value is
  // equivalent if it is also a Date object that refers to the same time.
  } else if (util.isDate(actual) && util.isDate(expected)) {
    return actual.getTime() === expected.getTime();

  // 7.3 If the expected value is a RegExp object, the actual value is
  // equivalent if it is also a RegExp object with the same source and
  // properties (`global`, `multiline`, `lastIndex`, `ignoreCase`).
  } else if (util.isRegExp(actual) && util.isRegExp(expected)) {
    return actual.source === expected.source &&
           actual.global === expected.global &&
           actual.multiline === expected.multiline &&
           actual.lastIndex === expected.lastIndex &&
           actual.ignoreCase === expected.ignoreCase;

  // 7.4. Other pairs that do not both pass typeof value == 'object',
  // equivalence is determined by ==.
  } else if (!util.isObject(actual) && !util.isObject(expected)) {
    return actual == expected;

  // 7.5 For all other Object pairs, including Array objects, equivalence is
  // determined by having the same number of owned properties (as verified
  // with Object.prototype.hasOwnProperty.call), the same set of keys
  // (although not necessarily the same order), equivalent values for every
  // corresponding key, and an identical 'prototype' property. Note: this
  // accounts for both named and indexed properties on Arrays.
  } else {
    return objEquiv(actual, expected);
  }
}

function isArguments(object) {
  return Object.prototype.toString.call(object) == '[object Arguments]';
}

function objEquiv(a, b) {
  if (util.isNullOrUndefined(a) || util.isNullOrUndefined(b))
    return false;
  // an identical 'prototype' property.
  if (a.prototype !== b.prototype) return false;
  //~~~I've managed to break Object.keys through screwy arguments passing.
  //   Converting to array solves the problem.
  if (isArguments(a)) {
    if (!isArguments(b)) {
      return false;
    }
    a = pSlice.call(a);
    b = pSlice.call(b);
    return _deepEqual(a, b);
  }
  try {
    var ka = objectKeys(a),
        kb = objectKeys(b),
        key, i;
  } catch (e) {//happens when one is a string literal and the other isn't
    return false;
  }
  // having the same number of owned properties (keys incorporates
  // hasOwnProperty)
  if (ka.length != kb.length)
    return false;
  //the same set of keys (although not necessarily the same order),
  ka.sort();
  kb.sort();
  //~~~cheap key test
  for (i = ka.length - 1; i >= 0; i--) {
    if (ka[i] != kb[i])
      return false;
  }
  //equivalent values for every corresponding key, and
  //~~~possibly expensive deep test
  for (i = ka.length - 1; i >= 0; i--) {
    key = ka[i];
    if (!_deepEqual(a[key], b[key])) return false;
  }
  return true;
}

// 8. The non-equivalence assertion tests for any deep inequality.
// assert.notDeepEqual(actual, expected, message_opt);

assert.notDeepEqual = function notDeepEqual(actual, expected, message) {
  if (_deepEqual(actual, expected)) {
    fail(actual, expected, message, 'notDeepEqual', assert.notDeepEqual);
  }
};

// 9. The strict equality assertion tests strict equality, as determined by ===.
// assert.strictEqual(actual, expected, message_opt);

assert.strictEqual = function strictEqual(actual, expected, message) {
  if (actual !== expected) {
    fail(actual, expected, message, '===', assert.strictEqual);
  }
};

// 10. The strict non-equality assertion tests for strict inequality, as
// determined by !==.  assert.notStrictEqual(actual, expected, message_opt);

assert.notStrictEqual = function notStrictEqual(actual, expected, message) {
  if (actual === expected) {
    fail(actual, expected, message, '!==', assert.notStrictEqual);
  }
};

function expectedException(actual, expected) {
  if (!actual || !expected) {
    return false;
  }

  if (Object.prototype.toString.call(expected) == '[object RegExp]') {
    return expected.test(actual);
  } else if (actual instanceof expected) {
    return true;
  } else if (expected.call({}, actual) === true) {
    return true;
  }

  return false;
}

function _throws(shouldThrow, block, expected, message) {
  var actual;

  if (util.isString(expected)) {
    message = expected;
    expected = null;
  }

  try {
    block();
  } catch (e) {
    actual = e;
  }

  message = (expected && expected.name ? ' (' + expected.name + ').' : '.') +
            (message ? ' ' + message : '.');

  if (shouldThrow && !actual) {
    fail(actual, expected, 'Missing expected exception' + message);
  }

  if (!shouldThrow && expectedException(actual, expected)) {
    fail(actual, expected, 'Got unwanted exception' + message);
  }

  if ((shouldThrow && actual && expected &&
      !expectedException(actual, expected)) || (!shouldThrow && actual)) {
    throw actual;
  }
}

// 11. Expected to throw an error:
// assert.throws(block, Error_opt, message_opt);

assert.throws = function(block, /*optional*/error, /*optional*/message) {
  _throws.apply(this, [true].concat(pSlice.call(arguments)));
};

// EXTENSION! This is annoying to write outside this module.
assert.doesNotThrow = function(block, /*optional*/message) {
  _throws.apply(this, [false].concat(pSlice.call(arguments)));
};

assert.ifError = function(err) { if (err) {throw err;}};

var objectKeys = Object.keys || function (obj) {
  var keys = [];
  for (var key in obj) {
    if (hasOwn.call(obj, key)) keys.push(key);
  }
  return keys;
};

},{"util/":6}],2:[function(require,module,exports){

},{}],3:[function(require,module,exports){
// shim for using process in browser

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');
};

// TODO(shtylman)
process.cwd = function () { return '/' };
process.chdir = function (dir) {
    throw new Error('process.chdir is not supported');
};

},{}],4:[function(require,module,exports){
if (typeof Object.create === 'function') {
  // implementation from standard node.js 'util' module
  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 {
  // old school shim for old browsers
  module.exports = function inherits(ctor, superCtor) {
    ctor.super_ = superCtor
    var TempCtor = function () {}
    TempCtor.prototype = superCtor.prototype
    ctor.prototype = new TempCtor()
    ctor.prototype.constructor = ctor
  }
}

},{}],5:[function(require,module,exports){
module.exports = function isBuffer(arg) {
  return arg && typeof arg === 'object'
    && typeof arg.copy === 'function'
    && typeof arg.fill === 'function'
    && typeof arg.readUInt8 === 'function';
}
},{}],6:[function(require,module,exports){
(function (process,global){
// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

var formatRegExp = /%[sdj%]/g;
exports.format = function(f) {
  if (!isString(f)) {
    var objects = [];
    for (var i = 0; i < arguments.length; i++) {
      objects.push(inspect(arguments[i]));
    }
    return objects.join(' ');
  }

  var i = 1;
  var args = arguments;
  var len = args.length;
  var str = String(f).replace(formatRegExp, function(x) {
    if (x === '%%') return '%';
    if (i >= len) return x;
    switch (x) {
      case '%s': return String(args[i++]);
      case '%d': return Number(args[i++]);
      case '%j':
        try {
          return JSON.stringify(args[i++]);
        } catch (_) {
          return '[Circular]';
        }
      default:
        return x;
    }
  });
  for (var x = args[i]; i < len; x = args[++i]) {
    if (isNull(x) || !isObject(x)) {
      str += ' ' + x;
    } else {
      str += ' ' + inspect(x);
    }
  }
  return str;
};


// Mark that a method should not be used.
// Returns a modified function which warns once by default.
// If --no-deprecation is set, then it is a no-op.
exports.deprecate = function(fn, msg) {
  // Allow for deprecating things in the process of starting up.
  if (isUndefined(global.process)) {
    return function() {
      return exports.deprecate(fn, msg).apply(this, arguments);
    };
  }

  if (process.noDeprecation === true) {
    return fn;
  }

  var warned = false;
  function deprecated() {
    if (!warned) {
      if (process.throwDeprecation) {
        throw new Error(msg);
      } else if (process.traceDeprecation) {
        console.trace(msg);
      } else {
        console.error(msg);
      }
      warned = true;
    }
    return fn.apply(this, arguments);
  }

  return deprecated;
};


var debugs = {};
var debugEnviron;
exports.debuglog = function(set) {
  if (isUndefined(debugEnviron))
    debugEnviron = process.env.NODE_DEBUG || '';
  set = set.toUpperCase();
  if (!debugs[set]) {
    if (new RegExp('\\b' + set + '\\b', 'i').test(debugEnviron)) {
      var pid = process.pid;
      debugs[set] = function() {
        var msg = exports.format.apply(exports, arguments);
        console.error('%s %d: %s', set, pid, msg);
      };
    } else {
      debugs[set] = function() {};
    }
  }
  return debugs[set];
};


/**
 * Echos the value of a value. Trys to print the value out
 * in the best way possible given the different types.
 *
 * @param {Object} obj The object to print out.
 * @param {Object} opts Optional options object that alters the output.
 */
/* legacy: obj, showHidden, depth, colors*/
function inspect(obj, opts) {
  // default options
  var ctx = {
    seen: [],
    stylize: stylizeNoColor
  };
  // legacy...
  if (arguments.length >= 3) ctx.depth = arguments[2];
  if (arguments.length >= 4) ctx.colors = arguments[3];
  if (isBoolean(opts)) {
    // legacy...
    ctx.showHidden = opts;
  } else if (opts) {
    // got an "options" object
    exports._extend(ctx, opts);
  }
  // set default options
  if (isUndefined(ctx.showHidden)) ctx.showHidden = false;
  if (isUndefined(ctx.depth)) ctx.depth = 2;
  if (isUndefined(ctx.colors)) ctx.colors = false;
  if (isUndefined(ctx.customInspect)) ctx.customInspect = true;
  if (ctx.colors) ctx.stylize = stylizeWithColor;
  return formatValue(ctx, obj, ctx.depth);
}
exports.inspect = inspect;


// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics
inspect.colors = {
  'bold' : [1, 22],
  'italic' : [3, 23],
  'underline' : [4, 24],
  'inverse' : [7, 27],
  'white' : [37, 39],
  'grey' : [90, 39],
  'black' : [30, 39],
  'blue' : [34, 39],
  'cyan' : [36, 39],
  'green' : [32, 39],
  'magenta' : [35, 39],
  'red' : [31, 39],
  'yellow' : [33, 39]
};

// Don't use 'blue' not visible on cmd.exe
inspect.styles = {
  'special': 'cyan',
  'number': 'yellow',
  'boolean': 'yellow',
  'undefined': 'grey',
  'null': 'bold',
  'string': 'green',
  'date': 'magenta',
  // "name": intentionally not styling
  'regexp': 'red'
};


function stylizeWithColor(str, styleType) {
  var style = inspect.styles[styleType];

  if (style) {
    return '\u001b[' + inspect.colors[style][0] + 'm' + str +
           '\u001b[' + inspect.colors[style][1] + 'm';
  } else {
    return str;
  }
}


function stylizeNoColor(str, styleType) {
  return str;
}


function arrayToHash(array) {
  var hash = {};

  array.forEach(function(val, idx) {
    hash[val] = true;
  });

  return hash;
}


function formatValue(ctx, value, recurseTimes) {
  // Provide a hook for user-specified inspect functions.
  // Check that value is an object with an inspect function on it
  if (ctx.customInspect &&
      value &&
      isFunction(value.inspect) &&
      // Filter out the util module, it's inspect function is special
      value.inspect !== exports.inspect &&
      // Also filter out any prototype objects using the circular check.
      !(value.constructor && value.constructor.prototype === value)) {
    var ret = value.inspect(recurseTimes, ctx);
    if (!isString(ret)) {
      ret = formatValue(ctx, ret, recurseTimes);
    }
    return ret;
  }

  // Primitive types cannot have properties
  var primitive = formatPrimitive(ctx, value);
  if (primitive) {
    return primitive;
  }

  // Look up the keys of the object.
  var keys = Object.keys(value);
  var visibleKeys = arrayToHash(keys);

  if (ctx.showHidden) {
    keys = Object.getOwnPropertyNames(value);
  }

  // IE doesn't make error fields non-enumerable
  // http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx
  if (isError(value)
      && (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) {
    return formatError(value);
  }

  // Some type of object without properties can be shortcutted.
  if (keys.length === 0) {
    if (isFunction(value)) {
      var name = value.name ? ': ' + value.name : '';
      return ctx.stylize('[Function' + name + ']', 'special');
    }
    if (isRegExp(value)) {
      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
    }
    if (isDate(value)) {
      return ctx.stylize(Date.prototype.toString.call(value), 'date');
    }
    if (isError(value)) {
      return formatError(value);
    }
  }

  var base = '', array = false, braces = ['{', '}'];

  // Make Array say that they are Array
  if (isArray(value)) {
    array = true;
    braces = ['[', ']'];
  }

  // Make functions say that they are functions
  if (isFunction(value)) {
    var n = value.name ? ': ' + value.name : '';
    base = ' [Function' + n + ']';
  }

  // Make RegExps say that they are RegExps
  if (isRegExp(value)) {
    base = ' ' + RegExp.prototype.toString.call(value);
  }

  // Make dates with properties first say the date
  if (isDate(value)) {
    base = ' ' + Date.prototype.toUTCString.call(value);
  }

  // Make error with message first say the error
  if (isError(value)) {
    base = ' ' + formatError(value);
  }

  if (keys.length === 0 && (!array || value.length == 0)) {
    return braces[0] + base + braces[1];
  }

  if (recurseTimes < 0) {
    if (isRegExp(value)) {
      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');
    } else {
      return ctx.stylize('[Object]', 'special');
    }
  }

  ctx.seen.push(value);

  var output;
  if (array) {
    output = formatArray(ctx, value, recurseTimes, visibleKeys, keys);
  } else {
    output = keys.map(function(key) {
      return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array);
    });
  }

  ctx.seen.pop();

  return reduceToSingleString(output, base, braces);
}


function formatPrimitive(ctx, value) {
  if (isUndefined(value))
    return ctx.stylize('undefined', 'undefined');
  if (isString(value)) {
    var simple = '\'' + JSON.stringify(value).replace(/^"|"$/g, '')
                                             .replace(/'/g, "\\'")
                                             .replace(/\\"/g, '"') + '\'';
    return ctx.stylize(simple, 'string');
  }
  if (isNumber(value))
    return ctx.stylize('' + value, 'number');
  if (isBoolean(value))
    return ctx.stylize('' + value, 'boolean');
  // For some reason typeof null is "object", so special case here.
  if (isNull(value))
    return ctx.stylize('null', 'null');
}


function formatError(value) {
  return '[' + Error.prototype.toString.call(value) + ']';
}


function formatArray(ctx, value, recurseTimes, visibleKeys, keys) {
  var output = [];
  for (var i = 0, l = value.length; i < l; ++i) {
    if (hasOwnProperty(value, String(i))) {
      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
          String(i), true));
    } else {
      output.push('');
    }
  }
  keys.forEach(function(key) {
    if (!key.match(/^\d+$/)) {
      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,
          key, true));
    }
  });
  return output;
}


function formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) {
  var name, str, desc;
  desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] };
  if (desc.get) {
    if (desc.set) {
      str = ctx.stylize('[Getter/Setter]', 'special');
    } else {
      str = ctx.stylize('[Getter]', 'special');
    }
  } else {
    if (desc.set) {
      str = ctx.stylize('[Setter]', 'special');
    }
  }
  if (!hasOwnProperty(visibleKeys, key)) {
    name = '[' + key + ']';
  }
  if (!str) {
    if (ctx.seen.indexOf(desc.value) < 0) {
      if (isNull(recurseTimes)) {
        str = formatValue(ctx, desc.value, null);
      } else {
        str = formatValue(ctx, desc.value, recurseTimes - 1);
      }
      if (str.indexOf('\n') > -1) {
        if (array) {
          str = str.split('\n').map(function(line) {
            return '  ' + line;
          }).join('\n').substr(2);
        } else {
          str = '\n' + str.split('\n').map(function(line) {
            return '   ' + line;
          }).join('\n');
        }
      }
    } else {
      str = ctx.stylize('[Circular]', 'special');
    }
  }
  if (isUndefined(name)) {
    if (array && key.match(/^\d+$/)) {
      return str;
    }
    name = JSON.stringify('' + key);
    if (name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)) {
      name = name.substr(1, name.length - 2);
      name = ctx.stylize(name, 'name');
    } else {
      name = name.replace(/'/g, "\\'")
                 .replace(/\\"/g, '"')
                 .replace(/(^"|"$)/g, "'");
      name = ctx.stylize(name, 'string');
    }
  }

  return name + ': ' + str;
}


function reduceToSingleString(output, base, braces) {
  var numLinesEst = 0;
  var length = output.reduce(function(prev, cur) {
    numLinesEst++;
    if (cur.indexOf('\n') >= 0) numLinesEst++;
    return prev + cur.replace(/\u001b\[\d\d?m/g, '').length + 1;
  }, 0);

  if (length > 60) {
    return braces[0] +
           (base === '' ? '' : base + '\n ') +
           ' ' +
           output.join(',\n  ') +
           ' ' +
           braces[1];
  }

  return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];
}


// NOTE: These type checking functions intentionally don't use `instanceof`
// because it is fragile and can be easily faked with `Object.create()`.
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' ||  // ES6 symbol
         typeof arg === 'undefined';
}
exports.isPrimitive = isPrimitive;

exports.isBuffer = require('./support/isBuffer');

function objectToString(o) {
  return Object.prototype.toString.call(o);
}


function pad(n) {
  return n < 10 ? '0' + n.toString(10) : n.toString(10);
}


var months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep',
              'Oct', 'Nov', 'Dec'];

// 26 Feb 16:19:34
function timestamp() {
  var d = new Date();
  var time = [pad(d.getHours()),
              pad(d.getMinutes()),
              pad(d.getSeconds())].join(':');
  return [d.getDate(), months[d.getMonth()], time].join(' ');
}


// log is just a thin wrapper to console.log that prepends a timestamp
exports.log = function() {
  console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments));
};


/**
 * Inherit the prototype methods from one constructor into another.
 *
 * The Function.prototype.inherits from lang.js rewritten as a standalone
 * function (not on Function.prototype). NOTE: If this file is to be loaded
 * during bootstrapping this function needs to be rewritten using some native
 * functions as prototype setup using normal JavaScript does not work as
 * expected during bootstrapping (see mirror.js in r114903).
 *
 * @param {function} ctor Constructor function which needs to inherit the
 *     prototype.
 * @param {function} superCtor Constructor function to inherit prototype from.
 */
exports.inherits = require('inherits');

exports._extend = function(origin, add) {
  // Don't do anything if add isn't an object
  if (!add || !isObject(add)) return origin;

  var keys = Object.keys(add);
  var i = keys.length;
  while (i--) {
    origin[keys[i]] = add[keys[i]];
  }
  return origin;
};

function hasOwnProperty(obj, prop) {
  return Object.prototype.hasOwnProperty.call(obj, prop);
}

}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
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IN\n// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,\n// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE\n// USE OR OTHER DEALINGS IN THE SOFTWARE.\n\nvar formatRegExp = /%[sdj%]/g;\nexports.format = function(f) {\n  if (!isString(f)) {\n    var objects = [];\n    for (var i = 0; i < arguments.length; i++) {\n      objects.push(inspect(arguments[i]));\n    }\n    return objects.join(' ');\n  }\n\n  var i = 1;\n  var args = arguments;\n  var len = args.length;\n  var str = String(f).replace(formatRegExp, function(x) {\n    if (x === '%%') return '%';\n    if (i >= len) return x;\n    switch (x) {\n      case '%s': return String(args[i++]);\n      case '%d': return Number(args[i++]);\n      case '%j':\n        try {\n          return JSON.stringify(args[i++]);\n        } catch (_) {\n          return '[Circular]';\n        }\n      default:\n        return x;\n    }\n  });\n  for (var x = args[i]; i < len; x = args[++i]) {\n    if (isNull(x) || !isObject(x)) {\n      str += ' ' + x;\n    } else {\n      str += ' ' + inspect(x);\n    }\n  }\n  return str;\n};\n\n\n// Mark that a method should not be used.\n// Returns a modified function which warns once by default.\n// If --no-deprecation is set, then it is a no-op.\nexports.deprecate = function(fn, msg) {\n  // Allow for deprecating things in the process of starting up.\n  if (isUndefined(global.process)) {\n    return function() {\n      return exports.deprecate(fn, msg).apply(this, arguments);\n    };\n  }\n\n  if (process.noDeprecation === true) {\n    return fn;\n  }\n\n  var warned = false;\n  function deprecated() {\n    if (!warned) {\n      if (process.throwDeprecation) {\n        throw new Error(msg);\n      } else if (process.traceDeprecation) {\n        console.trace(msg);\n      } else {\n        console.error(msg);\n      }\n      warned = true;\n    }\n    return fn.apply(this, arguments);\n  }\n\n  return deprecated;\n};\n\n\nvar debugs = {};\nvar debugEnviron;\nexports.debuglog = function(set) {\n  if (isUndefined(debugEnviron))\n    debugEnviron = process.env.NODE_DEBUG || '';\n  set = set.toUpperCase();\n  if (!debugs[set]) {\n    if (new RegExp('\\\\b' + set + '\\\\b', 'i').test(debugEnviron)) {\n      var pid = process.pid;\n      debugs[set] = function() {\n        var msg = exports.format.apply(exports, arguments);\n        console.error('%s %d: %s', set, pid, msg);\n      };\n    } else {\n      debugs[set] = function() {};\n    }\n  }\n  return debugs[set];\n};\n\n\n/**\n * Echos the value of a value. Trys to print the value out\n * in the best way possible given the different types.\n *\n * @param {Object} obj The object to print out.\n * @param {Object} opts Optional options object that alters the output.\n */\n/* legacy: obj, showHidden, depth, colors*/\nfunction inspect(obj, opts) {\n  // default options\n  var ctx = {\n    seen: [],\n    stylize: stylizeNoColor\n  };\n  // legacy...\n  if (arguments.length >= 3) ctx.depth = arguments[2];\n  if (arguments.length >= 4) ctx.colors = arguments[3];\n  if (isBoolean(opts)) {\n    // legacy...\n    ctx.showHidden = opts;\n  } else if (opts) {\n    // got an \"options\" object\n    exports._extend(ctx, opts);\n  }\n  // set default options\n  if (isUndefined(ctx.showHidden)) ctx.showHidden = false;\n  if (isUndefined(ctx.depth)) ctx.depth = 2;\n  if (isUndefined(ctx.colors)) ctx.colors = false;\n  if (isUndefined(ctx.customInspect)) ctx.customInspect = true;\n  if (ctx.colors) ctx.stylize = stylizeWithColor;\n  return formatValue(ctx, obj, ctx.depth);\n}\nexports.inspect = inspect;\n\n\n// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics\ninspect.colors = {\n  'bold' : [1, 22],\n  'italic' : [3, 23],\n  'underline' : [4, 24],\n  'inverse' : [7, 27],\n  'white' : [37, 39],\n  'grey' : [90, 39],\n  'black' : [30, 39],\n  'blue' : [34, 39],\n  'cyan' : [36, 39],\n  'green' : [32, 39],\n  'magenta' : [35, 39],\n  'red' : [31, 39],\n  'yellow' : [33, 39]\n};\n\n// Don't use 'blue' not visible on cmd.exe\ninspect.styles = {\n  'special': 'cyan',\n  'number': 'yellow',\n  'boolean': 'yellow',\n  'undefined': 'grey',\n  'null': 'bold',\n  'string': 'green',\n  'date': 'magenta',\n  // \"name\": intentionally not styling\n  'regexp': 'red'\n};\n\n\nfunction stylizeWithColor(str, styleType) {\n  var style = inspect.styles[styleType];\n\n  if (style) {\n    return '\\u001b[' + inspect.colors[style][0] + 'm' + str +\n           '\\u001b[' + inspect.colors[style][1] + 'm';\n  } else {\n    return str;\n  }\n}\n\n\nfunction stylizeNoColor(str, styleType) {\n  return str;\n}\n\n\nfunction arrayToHash(array) {\n  var hash = {};\n\n  array.forEach(function(val, idx) {\n    hash[val] = true;\n  });\n\n  return hash;\n}\n\n\nfunction formatValue(ctx, value, recurseTimes) {\n  // Provide a hook for user-specified inspect functions.\n  // Check that value is an object with an inspect function on it\n  if (ctx.customInspect &&\n      value &&\n      isFunction(value.inspect) &&\n      // Filter out the util module, it's inspect function is special\n      value.inspect !== exports.inspect &&\n      // Also filter out any prototype objects using the circular check.\n      !(value.constructor && value.constructor.prototype === value)) {\n    var ret = value.inspect(recurseTimes, ctx);\n    if (!isString(ret)) {\n      ret = formatValue(ctx, ret, recurseTimes);\n    }\n    return ret;\n  }\n\n  // Primitive types cannot have properties\n  var primitive = formatPrimitive(ctx, value);\n  if (primitive) {\n    return primitive;\n  }\n\n  // Look up the keys of the object.\n  var keys = Object.keys(value);\n  var visibleKeys = arrayToHash(keys);\n\n  if (ctx.showHidden) {\n    keys = Object.getOwnPropertyNames(value);\n  }\n\n  // IE doesn't make error fields non-enumerable\n  // http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx\n  if (isError(value)\n      && (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) {\n    return formatError(value);\n  }\n\n  // Some type of object without properties can be shortcutted.\n  if (keys.length === 0) {\n    if (isFunction(value)) {\n      var name = value.name ? ': ' + value.name : '';\n      return ctx.stylize('[Function' + name + ']', 'special');\n    }\n    if (isRegExp(value)) {\n      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');\n    }\n    if (isDate(value)) {\n      return ctx.stylize(Date.prototype.toString.call(value), 'date');\n    }\n    if (isError(value)) {\n      return formatError(value);\n    }\n  }\n\n  var base = '', array = false, braces = ['{', '}'];\n\n  // Make Array say that they are Array\n  if (isArray(value)) {\n    array = true;\n    braces = ['[', ']'];\n  }\n\n  // Make functions say that they are functions\n  if (isFunction(value)) {\n    var n = value.name ? ': ' + value.name : '';\n    base = ' [Function' + n + ']';\n  }\n\n  // Make RegExps say that they are RegExps\n  if (isRegExp(value)) {\n    base = ' ' + RegExp.prototype.toString.call(value);\n  }\n\n  // Make dates with properties first say the date\n  if (isDate(value)) {\n    base = ' ' + Date.prototype.toUTCString.call(value);\n  }\n\n  // Make error with message first say the error\n  if (isError(value)) {\n    base = ' ' + formatError(value);\n  }\n\n  if (keys.length === 0 && (!array || value.length == 0)) {\n    return braces[0] + base + braces[1];\n  }\n\n  if (recurseTimes < 0) {\n    if (isRegExp(value)) {\n      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');\n    } else {\n      return ctx.stylize('[Object]', 'special');\n    }\n  }\n\n  ctx.seen.push(value);\n\n  var output;\n  if (array) {\n    output = formatArray(ctx, value, recurseTimes, visibleKeys, keys);\n  } else {\n    output = keys.map(function(key) {\n      return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array);\n    });\n  }\n\n  ctx.seen.pop();\n\n  return reduceToSingleString(output, base, braces);\n}\n\n\nfunction formatPrimitive(ctx, value) {\n  if (isUndefined(value))\n    return ctx.stylize('undefined', 'undefined');\n  if (isString(value)) {\n    var simple = '\\'' + JSON.stringify(value).replace(/^\"|\"$/g, '')\n                                             .replace(/'/g, \"\\\\'\")\n                                             .replace(/\\\\\"/g, '\"') + '\\'';\n    return ctx.stylize(simple, 'string');\n  }\n  if (isNumber(value))\n    return ctx.stylize('' + value, 'number');\n  if (isBoolean(value))\n    return ctx.stylize('' + value, 'boolean');\n  // For some reason typeof null is \"object\", so special case here.\n  if (isNull(value))\n    return ctx.stylize('null', 'null');\n}\n\n\nfunction formatError(value) {\n  return '[' + Error.prototype.toString.call(value) + ']';\n}\n\n\nfunction formatArray(ctx, value, recurseTimes, visibleKeys, keys) {\n  var output = [];\n  for (var i = 0, l = value.length; i < l; ++i) {\n    if (hasOwnProperty(value, String(i))) {\n      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,\n          String(i), true));\n    } else {\n      output.push('');\n    }\n  }\n  keys.forEach(function(key) {\n    if (!key.match(/^\\d+$/)) {\n      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,\n          key, true));\n    }\n  });\n  return output;\n}\n\n\nfunction formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) {\n  var name, str, desc;\n  desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] };\n  if (desc.get) {\n    if (desc.set) {\n      str = ctx.stylize('[Getter/Setter]', 'special');\n    } else {\n      str = ctx.stylize('[Getter]', 'special');\n    }\n  } else {\n    if (desc.set) {\n      str = ctx.stylize('[Setter]', 'special');\n    }\n  }\n  if (!hasOwnProperty(visibleKeys, key)) {\n    name = '[' + key + ']';\n  }\n  if (!str) {\n    if (ctx.seen.indexOf(desc.value) < 0) {\n      if (isNull(recurseTimes)) {\n        str = formatValue(ctx, desc.value, null);\n      } else {\n        str = formatValue(ctx, desc.value, recurseTimes - 1);\n      }\n      if (str.indexOf('\\n') > -1) {\n        if (array) {\n          str = str.split('\\n').map(function(line) {\n            return '  ' + line;\n          }).join('\\n').substr(2);\n        } else {\n          str = '\\n' + str.split('\\n').map(function(line) {\n            return '   ' + line;\n          }).join('\\n');\n        }\n      }\n    } else {\n      str = ctx.stylize('[Circular]', 'special');\n    }\n  }\n  if (isUndefined(name)) {\n    if (array && key.match(/^\\d+$/)) {\n      return str;\n    }\n    name = JSON.stringify('' + key);\n    if (name.match(/^\"([a-zA-Z_][a-zA-Z_0-9]*)\"$/)) {\n      name = name.substr(1, name.length - 2);\n      name = ctx.stylize(name, 'name');\n    } else {\n      name = name.replace(/'/g, \"\\\\'\")\n                 .replace(/\\\\\"/g, '\"')\n                 .replace(/(^\"|\"$)/g, \"'\");\n      name = ctx.stylize(name, 'string');\n    }\n  }\n\n  return name + ': ' + str;\n}\n\n\nfunction reduceToSingleString(output, base, braces) {\n  var numLinesEst = 0;\n  var length = output.reduce(function(prev, cur) {\n    numLinesEst++;\n    if (cur.indexOf('\\n') >= 0) numLinesEst++;\n    return prev + cur.replace(/\\u001b\\[\\d\\d?m/g, '').length + 1;\n  }, 0);\n\n  if (length > 60) {\n    return braces[0] +\n           (base === '' ? '' : base + '\\n ') +\n           ' ' +\n           output.join(',\\n  ') +\n           ' ' +\n           braces[1];\n  }\n\n  return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];\n}\n\n\n// NOTE: These type checking functions intentionally don't use `instanceof`\n// because it is fragile and can be easily faked with `Object.create()`.\nfunction isArray(ar) {\n  return Array.isArray(ar);\n}\nexports.isArray = isArray;\n\nfunction isBoolean(arg) {\n  return typeof arg === 'boolean';\n}\nexports.isBoolean = isBoolean;\n\nfunction isNull(arg) {\n  return arg === null;\n}\nexports.isNull = isNull;\n\nfunction isNullOrUndefined(arg) {\n  return arg == null;\n}\nexports.isNullOrUndefined = isNullOrUndefined;\n\nfunction isNumber(arg) {\n  return typeof arg === 'number';\n}\nexports.isNumber = isNumber;\n\nfunction isString(arg) {\n  return typeof arg === 'string';\n}\nexports.isString = isString;\n\nfunction isSymbol(arg) {\n  return typeof arg === 'symbol';\n}\nexports.isSymbol = isSymbol;\n\nfunction isUndefined(arg) {\n  return arg === void 0;\n}\nexports.isUndefined = isUndefined;\n\nfunction isRegExp(re) {\n  return isObject(re) && objectToString(re) === '[object RegExp]';\n}\nexports.isRegExp = isRegExp;\n\nfunction isObject(arg) {\n  return typeof arg === 'object' && arg !== null;\n}\nexports.isObject = isObject;\n\nfunction isDate(d) {\n  return isObject(d) && objectToString(d) === '[object Date]';\n}\nexports.isDate = isDate;\n\nfunction isError(e) {\n  return isObject(e) &&\n      (objectToString(e) === '[object Error]' || e instanceof Error);\n}\nexports.isError = isError;\n\nfunction isFunction(arg) {\n  return typeof arg === 'function';\n}\nexports.isFunction = isFunction;\n\nfunction isPrimitive(arg) {\n  return arg === null ||\n         typeof arg === 'boolean' ||\n         typeof arg === 'number' ||\n         typeof arg === 'string' ||\n         typeof arg === 'symbol' ||  // ES6 symbol\n         typeof arg === 'undefined';\n}\nexports.isPrimitive = isPrimitive;\n\nexports.isBuffer = require('./support/isBuffer');\n\nfunction objectToString(o) {\n  return Object.prototype.toString.call(o);\n}\n\n\nfunction pad(n) {\n  return n < 10 ? '0' + n.toString(10) : n.toString(10);\n}\n\n\nvar months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep',\n              'Oct', 'Nov', 'Dec'];\n\n// 26 Feb 16:19:34\nfunction timestamp() {\n  var d = new Date();\n  var time = [pad(d.getHours()),\n              pad(d.getMinutes()),\n              pad(d.getSeconds())].join(':');\n  return [d.getDate(), months[d.getMonth()], time].join(' ');\n}\n\n\n// log is just a thin wrapper to console.log that prepends a timestamp\nexports.log = function() {\n  console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments));\n};\n\n\n/**\n * Inherit the prototype methods from one constructor into another.\n *\n * The Function.prototype.inherits from lang.js rewritten as a standalone\n * function (not on Function.prototype). NOTE: If this file is to be loaded\n * during bootstrapping this function needs to be rewritten using some native\n * functions as prototype setup using normal JavaScript does not work as\n * expected during bootstrapping (see mirror.js in r114903).\n *\n * @param {function} ctor Constructor function which needs to inherit the\n *     prototype.\n * @param {function} superCtor Constructor function to inherit prototype from.\n */\nexports.inherits = require('inherits');\n\nexports._extend = function(origin, add) {\n  // Don't do anything if add isn't an object\n  if (!add || !isObject(add)) return origin;\n\n  var keys = Object.keys(add);\n  var i = keys.length;\n  while (i--) {\n    origin[keys[i]] = add[keys[i]];\n  }\n  return origin;\n};\n\nfunction hasOwnProperty(obj, prop) {\n  return Object.prototype.hasOwnProperty.call(obj, prop);\n}\n"]}
},{"./support/isBuffer":5,"_process":3,"inherits":4}],7:[function(require,module,exports){
(function (global){
var topLevel = typeof global !== 'undefined' ? global :
    typeof window !== 'undefined' ? window : {}
var minDoc = require('min-document');

if (typeof document !== 'undefined') {
    module.exports = document;
} else {
    var doccy = topLevel['__GLOBAL_DOCUMENT_CACHE@4'];

    if (!doccy) {
        doccy = topLevel['__GLOBAL_DOCUMENT_CACHE@4'] = minDoc;
    }

    module.exports = doccy;
}

}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
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},{"min-document":2}],8:[function(require,module,exports){
(function (global){
if (typeof window !== "undefined") {
    module.exports = window;
} else if (typeof global !== "undefined") {
    module.exports = global;
} else if (typeof self !== "undefined"){
    module.exports = self;
} else {
    module.exports = {};
}

}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
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},{}],9:[function(require,module,exports){
module.exports = noop

// no operation
// null -> null
function noop() {}

// call noop to satisfy test cov suites
noop()

},{}],10:[function(require,module,exports){
/* global MutationObserver */
var document = require('global/document')
var window = require('global/window')
var watch = Object.create(null)
var KEY_ID = 'onloadid' + (new Date() % 9e6).toString(36)
var KEY_ATTR = 'data-' + KEY_ID
var INDEX = 0

if (window && window.MutationObserver) {
  var observer = new MutationObserver(function (mutations) {
    if (Object.keys(watch).length < 1) return
    for (var i = 0; i < mutations.length; i++) {
      if (mutations[i].attributeName === KEY_ATTR) {
        eachAttr(mutations[i], turnon, turnoff)
        continue
      }
      eachMutation(mutations[i].removedNodes, turnoff)
      eachMutation(mutations[i].addedNodes, turnon)
    }
  })
  observer.observe(document.body, {
    childList: true,
    subtree: true,
    attributes: true,
    attributeOldValue: true,
    attributeFilter: [KEY_ATTR]
  })
}

module.exports = function onload (el, on, off, caller) {
  on = on || function () {}
  off = off || function () {}
  el.setAttribute(KEY_ATTR, 'o' + INDEX)
  watch['o' + INDEX] = [on, off, 0, caller || onload.caller]
  INDEX += 1
  return el
}

function turnon (index, el) {
  if (watch[index][0] && watch[index][2] === 0) {
    watch[index][0](el)
    watch[index][2] = 1
  }
}

function turnoff (index, el) {
  if (watch[index][1] && watch[index][2] === 1) {
    watch[index][1](el)
    watch[index][2] = 0
  }
}

function eachAttr (mutation, on, off) {
  var newValue = mutation.target.getAttribute(KEY_ATTR)
  if (sameOrigin(mutation.oldValue, newValue)) {
    watch[newValue] = watch[mutation.oldValue]
    return
  }
  if (watch[mutation.oldValue]) {
    off(mutation.oldValue, mutation.target)
  }
  if (watch[newValue]) {
    on(newValue, mutation.target)
  }
}

function sameOrigin (oldValue, newValue) {
  if (!oldValue || !newValue) return false
  return watch[oldValue][3] === watch[newValue][3]
}

function eachMutation (nodes, fn) {
  var keys = Object.keys(watch)
  for (var i = 0; i < nodes.length; i++) {
    if (nodes[i] && nodes[i].getAttribute && nodes[i].getAttribute(KEY_ATTR)) {
      var onloadid = nodes[i].getAttribute(KEY_ATTR)
      keys.forEach(function (k) {
        if (onloadid === k) {
          fn(k, nodes[i])
        }
      })
    }
    if (nodes[i].childNodes.length > 0) {
      eachMutation(nodes[i].childNodes, fn)
    }
  }
}

},{"global/document":7,"global/window":8}],"cache-element/widget":[function(require,module,exports){
const document = require('global/document')
const onload = require('on-load')
const assert = require('assert')
const noop = require('noop2')

const elType = 'div'

module.exports = widgetizeElement

// turn an element into a widget
// (fn) -> fn(fn(fn(any...)))
function widgetizeElement (createNode) {
  assert.equal(typeof createNode, 'function', 'cache-element/widget: createNode should be an function')

  var isProxied = false
  var sendUpdate = false
  var element = null
  var proxy = null

  return function render () {
    var args = new Array(arguments.length)
    for (var i = 0; i < args.length; i++) {
      args[i] = arguments[i]
    }

    if (!element) {
      element = createNode(update)
      assert.equal(typeof element, 'object', 'cache-element/widget: element should be an object')

      // reset elements when el is dismounted
      onload(element, noop, function onunload (el) {
        isProxied = false
        sendUpdate = false
        element = null
        proxy = null
      })

      if (sendUpdate) sendUpdate.apply(null, args)
      return element
    } else {
      if (!isProxied) {
        proxy = document.createElement(elType)
        proxy.isSameNode = function (el) {
          return (el === element)
        }
      }
      if (sendUpdate) sendUpdate.apply(null, args)
      return proxy
    }
  }

  // (fn) -> null
  function update (onupdate) {
    assert.equal(typeof onupdate, 'function', 'cache-element/widget: onupdate should be a function')
    sendUpdate = onupdate
  }
}

},{"assert":1,"global/document":7,"noop2":9,"on-load":10}]},{},[])
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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})","// http://wiki.commonjs.org/wiki/Unit_Testing/1.0\n//\n// THIS IS NOT TESTED NOR LIKELY TO WORK OUTSIDE V8!\n//\n// Originally from narwhal.js (http://narwhaljs.org)\n// Copyright (c) 2009 Thomas Robinson <280north.com>\n//\n// Permission is hereby granted, free of charge, to any person obtaining a copy\n// of this software and associated documentation files (the 'Software'), to\n// deal in the Software without restriction, including without limitation the\n// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or\n// sell copies of the Software, and to permit persons to whom the Software is\n// furnished to do so, subject to the following conditions:\n//\n// The above copyright notice and this permission notice shall be included in\n// all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\n// AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN\n// ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION\n// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\n\n// when used in node, this will actually load the util module we depend on\n// versus loading the builtin util module as happens otherwise\n// this is a bug in node module loading as far as I am concerned\nvar util = require('util/');\n\nvar pSlice = Array.prototype.slice;\nvar hasOwn = Object.prototype.hasOwnProperty;\n\n// 1. The assert module provides functions that throw\n// AssertionError's when particular conditions are not met. The\n// assert module must conform to the following interface.\n\nvar assert = module.exports = ok;\n\n// 2. The AssertionError is defined in assert.\n// new assert.AssertionError({ message: message,\n//                             actual: actual,\n//                             expected: expected })\n\nassert.AssertionError = function AssertionError(options) {\n  this.name = 'AssertionError';\n  this.actual = options.actual;\n  this.expected = options.expected;\n  this.operator = options.operator;\n  if (options.message) {\n    this.message = options.message;\n    this.generatedMessage = false;\n  } else {\n    this.message = getMessage(this);\n    this.generatedMessage = true;\n  }\n  var stackStartFunction = options.stackStartFunction || fail;\n\n  if (Error.captureStackTrace) {\n    Error.captureStackTrace(this, stackStartFunction);\n  }\n  else {\n    // non v8 browsers so we can have a stacktrace\n    var err = new Error();\n    if (err.stack) {\n      var out = err.stack;\n\n      // try to strip useless frames\n      var fn_name = stackStartFunction.name;\n      var idx = out.indexOf('\\n' + fn_name);\n      if (idx >= 0) {\n        // once we have located the function frame\n        // we need to strip out everything before it (and its line)\n        var next_line = out.indexOf('\\n', idx + 1);\n        out = out.substring(next_line + 1);\n      }\n\n      this.stack = out;\n    }\n  }\n};\n\n// assert.AssertionError instanceof Error\nutil.inherits(assert.AssertionError, Error);\n\nfunction replacer(key, value) {\n  if (util.isUndefined(value)) {\n    return '' + value;\n  }\n  if (util.isNumber(value) && (isNaN(value) || !isFinite(value))) {\n    return value.toString();\n  }\n  if (util.isFunction(value) || util.isRegExp(value)) {\n    return value.toString();\n  }\n  return value;\n}\n\nfunction truncate(s, n) {\n  if (util.isString(s)) {\n    return s.length < n ? s : s.slice(0, n);\n  } else {\n    return s;\n  }\n}\n\nfunction getMessage(self) {\n  return truncate(JSON.stringify(self.actual, replacer), 128) + ' ' +\n         self.operator + ' ' +\n         truncate(JSON.stringify(self.expected, replacer), 128);\n}\n\n// At present only the three keys mentioned above are used and\n// understood by the spec. Implementations or sub modules can pass\n// other keys to the AssertionError's constructor - they will be\n// ignored.\n\n// 3. All of the following functions must throw an AssertionError\n// when a corresponding condition is not met, with a message that\n// may be undefined if not provided.  All assertion methods provide\n// both the actual and expected values to the assertion error for\n// display purposes.\n\nfunction fail(actual, expected, message, operator, stackStartFunction) {\n  throw new assert.AssertionError({\n    message: message,\n    actual: actual,\n    expected: expected,\n    operator: operator,\n    stackStartFunction: stackStartFunction\n  });\n}\n\n// EXTENSION! allows for well behaved errors defined elsewhere.\nassert.fail = fail;\n\n// 4. Pure assertion tests whether a value is truthy, as determined\n// by !!guard.\n// assert.ok(guard, message_opt);\n// This statement is equivalent to assert.equal(true, !!guard,\n// message_opt);. To test strictly for the value true, use\n// assert.strictEqual(true, guard, message_opt);.\n\nfunction ok(value, message) {\n  if (!value) fail(value, true, message, '==', assert.ok);\n}\nassert.ok = ok;\n\n// 5. The equality assertion tests shallow, coercive equality with\n// ==.\n// assert.equal(actual, expected, message_opt);\n\nassert.equal = function equal(actual, expected, message) {\n  if (actual != expected) fail(actual, expected, message, '==', assert.equal);\n};\n\n// 6. The non-equality assertion tests for whether two objects are not equal\n// with != assert.notEqual(actual, expected, message_opt);\n\nassert.notEqual = function notEqual(actual, expected, message) {\n  if (actual == expected) {\n    fail(actual, expected, message, '!=', assert.notEqual);\n  }\n};\n\n// 7. The equivalence assertion tests a deep equality relation.\n// assert.deepEqual(actual, expected, message_opt);\n\nassert.deepEqual = function deepEqual(actual, expected, message) {\n  if (!_deepEqual(actual, expected)) {\n    fail(actual, expected, message, 'deepEqual', assert.deepEqual);\n  }\n};\n\nfunction _deepEqual(actual, expected) {\n  // 7.1. All identical values are equivalent, as determined by ===.\n  if (actual === expected) {\n    return true;\n\n  } else if (util.isBuffer(actual) && util.isBuffer(expected)) {\n    if (actual.length != expected.length) return false;\n\n    for (var i = 0; i < actual.length; i++) {\n      if (actual[i] !== expected[i]) return false;\n    }\n\n    return true;\n\n  // 7.2. If the expected value is a Date object, the actual value is\n  // equivalent if it is also a Date object that refers to the same time.\n  } else if (util.isDate(actual) && util.isDate(expected)) {\n    return actual.getTime() === expected.getTime();\n\n  // 7.3 If the expected value is a RegExp object, the actual value is\n  // equivalent if it is also a RegExp object with the same source and\n  // properties (`global`, `multiline`, `lastIndex`, `ignoreCase`).\n  } else if (util.isRegExp(actual) && util.isRegExp(expected)) {\n    return actual.source === expected.source &&\n           actual.global === expected.global &&\n           actual.multiline === expected.multiline &&\n           actual.lastIndex === expected.lastIndex &&\n           actual.ignoreCase === expected.ignoreCase;\n\n  // 7.4. Other pairs that do not both pass typeof value == 'object',\n  // equivalence is determined by ==.\n  } else if (!util.isObject(actual) && !util.isObject(expected)) {\n    return actual == expected;\n\n  // 7.5 For all other Object pairs, including Array objects, equivalence is\n  // determined by having the same number of owned properties (as verified\n  // with Object.prototype.hasOwnProperty.call), the same set of keys\n  // (although not necessarily the same order), equivalent values for every\n  // corresponding key, and an identical 'prototype' property. Note: this\n  // accounts for both named and indexed properties on Arrays.\n  } else {\n    return objEquiv(actual, expected);\n  }\n}\n\nfunction isArguments(object) {\n  return Object.prototype.toString.call(object) == '[object Arguments]';\n}\n\nfunction objEquiv(a, b) {\n  if (util.isNullOrUndefined(a) || util.isNullOrUndefined(b))\n    return false;\n  // an identical 'prototype' property.\n  if (a.prototype !== b.prototype) return false;\n  //~~~I've managed to break Object.keys through screwy arguments passing.\n  //   Converting to array solves the problem.\n  if (isArguments(a)) {\n    if (!isArguments(b)) {\n      return false;\n    }\n    a = pSlice.call(a);\n    b = pSlice.call(b);\n    return _deepEqual(a, b);\n  }\n  try {\n    var ka = objectKeys(a),\n        kb = objectKeys(b),\n        key, i;\n  } catch (e) {//happens when one is a string literal and the other isn't\n    return false;\n  }\n  // having the same number of owned properties (keys incorporates\n  // hasOwnProperty)\n  if (ka.length != kb.length)\n    return false;\n  //the same set of keys (although not necessarily the same order),\n  ka.sort();\n  kb.sort();\n  //~~~cheap key test\n  for (i = ka.length - 1; i >= 0; i--) {\n    if (ka[i] != kb[i])\n      return false;\n  }\n  //equivalent values for every corresponding key, and\n  //~~~possibly expensive deep test\n  for (i = ka.length - 1; i >= 0; i--) {\n    key = ka[i];\n    if (!_deepEqual(a[key], b[key])) return false;\n  }\n  return true;\n}\n\n// 8. The non-equivalence assertion tests for any deep inequality.\n// assert.notDeepEqual(actual, expected, message_opt);\n\nassert.notDeepEqual = function notDeepEqual(actual, expected, message) {\n  if (_deepEqual(actual, expected)) {\n    fail(actual, expected, message, 'notDeepEqual', assert.notDeepEqual);\n  }\n};\n\n// 9. The strict equality assertion tests strict equality, as determined by ===.\n// assert.strictEqual(actual, expected, message_opt);\n\nassert.strictEqual = function strictEqual(actual, expected, message) {\n  if (actual !== expected) {\n    fail(actual, expected, message, '===', assert.strictEqual);\n  }\n};\n\n// 10. The strict non-equality assertion tests for strict inequality, as\n// determined by !==.  assert.notStrictEqual(actual, expected, message_opt);\n\nassert.notStrictEqual = function notStrictEqual(actual, expected, message) {\n  if (actual === expected) {\n    fail(actual, expected, message, '!==', assert.notStrictEqual);\n  }\n};\n\nfunction expectedException(actual, expected) {\n  if (!actual || !expected) {\n    return false;\n  }\n\n  if (Object.prototype.toString.call(expected) == '[object RegExp]') {\n    return expected.test(actual);\n  } else if (actual instanceof expected) {\n    return true;\n  } else if (expected.call({}, actual) === true) {\n    return true;\n  }\n\n  return false;\n}\n\nfunction _throws(shouldThrow, block, expected, message) {\n  var actual;\n\n  if (util.isString(expected)) {\n    message = expected;\n    expected = null;\n  }\n\n  try {\n    block();\n  } catch (e) {\n    actual = e;\n  }\n\n  message = (expected && expected.name ? ' (' + expected.name + ').' : '.') +\n            (message ? ' ' + message : '.');\n\n  if (shouldThrow && !actual) {\n    fail(actual, expected, 'Missing expected exception' + message);\n  }\n\n  if (!shouldThrow && expectedException(actual, expected)) {\n    fail(actual, expected, 'Got unwanted exception' + message);\n  }\n\n  if ((shouldThrow && actual && expected &&\n      !expectedException(actual, expected)) || (!shouldThrow && actual)) {\n    throw actual;\n  }\n}\n\n// 11. Expected to throw an error:\n// assert.throws(block, Error_opt, message_opt);\n\nassert.throws = function(block, /*optional*/error, /*optional*/message) {\n  _throws.apply(this, [true].concat(pSlice.call(arguments)));\n};\n\n// EXTENSION! This is annoying to write outside this module.\nassert.doesNotThrow = function(block, /*optional*/message) {\n  _throws.apply(this, [false].concat(pSlice.call(arguments)));\n};\n\nassert.ifError = function(err) { if (err) {throw err;}};\n\nvar objectKeys = Object.keys || function (obj) {\n  var keys = [];\n  for (var key in obj) {\n    if (hasOwn.call(obj, key)) keys.push(key);\n  }\n  return keys;\n};\n",null,"// shim for using process in browser\n\nvar process = module.exports = {};\n\nprocess.nextTick = (function () {\n    var canSetImmediate = typeof window !== 'undefined'\n    && window.setImmediate;\n    var canMutationObserver = typeof window !== 'undefined'\n    && window.MutationObserver;\n    var canPost = typeof window !== 'undefined'\n    && window.postMessage && window.addEventListener\n    ;\n\n    if (canSetImmediate) {\n        return function (f) { return window.setImmediate(f) };\n    }\n\n    var queue = [];\n\n    if (canMutationObserver) {\n        var hiddenDiv = document.createElement(\"div\");\n        var observer = new MutationObserver(function () {\n            var queueList = queue.slice();\n            queue.length = 0;\n            queueList.forEach(function (fn) {\n                fn();\n            });\n        });\n\n        observer.observe(hiddenDiv, { attributes: true });\n\n        return function nextTick(fn) {\n            if (!queue.length) {\n                hiddenDiv.setAttribute('yes', 'no');\n            }\n            queue.push(fn);\n        };\n    }\n\n    if (canPost) {\n        window.addEventListener('message', function (ev) {\n            var source = ev.source;\n            if ((source === window || source === null) && ev.data === 'process-tick') {\n                ev.stopPropagation();\n                if (queue.length > 0) {\n                    var fn = queue.shift();\n                    fn();\n                }\n            }\n        }, true);\n\n        return function nextTick(fn) {\n            queue.push(fn);\n            window.postMessage('process-tick', '*');\n        };\n    }\n\n    return function nextTick(fn) {\n        setTimeout(fn, 0);\n    };\n})();\n\nprocess.title = 'browser';\nprocess.browser = true;\nprocess.env = {};\nprocess.argv = [];\n\nfunction noop() {}\n\nprocess.on = noop;\nprocess.addListener = noop;\nprocess.once = noop;\nprocess.off = noop;\nprocess.removeListener = noop;\nprocess.removeAllListeners = noop;\nprocess.emit = noop;\n\nprocess.binding = function (name) {\n    throw new Error('process.binding is not supported');\n};\n\n// TODO(shtylman)\nprocess.cwd = function () { return '/' };\nprocess.chdir = function (dir) {\n    throw new Error('process.chdir is not supported');\n};\n","if (typeof Object.create === 'function') {\n  // implementation from standard node.js 'util' module\n  module.exports = function inherits(ctor, superCtor) {\n    ctor.super_ = superCtor\n    ctor.prototype = Object.create(superCtor.prototype, {\n      constructor: {\n        value: ctor,\n        enumerable: false,\n        writable: true,\n        configurable: true\n      }\n    });\n  };\n} else {\n  // old school shim for old browsers\n  module.exports = function inherits(ctor, superCtor) {\n    ctor.super_ = superCtor\n    var TempCtor = function () {}\n    TempCtor.prototype = superCtor.prototype\n    ctor.prototype = new TempCtor()\n    ctor.prototype.constructor = ctor\n  }\n}\n","module.exports = function isBuffer(arg) {\n  return arg && typeof arg === 'object'\n    && typeof arg.copy === 'function'\n    && typeof arg.fill === 'function'\n    && typeof arg.readUInt8 === 'function';\n}","(function (process,global){\n// Copyright Joyent, Inc. and other Node contributors.\n//\n// Permission is hereby granted, free of charge, to any person obtaining a\n// copy of this software and associated documentation files (the\n// \"Software\"), to deal in the Software without restriction, including\n// without limitation the rights to use, copy, modify, merge, publish,\n// distribute, sublicense, and/or sell copies of the Software, and to permit\n// persons to whom the Software is furnished to do so, subject to the\n// following conditions:\n//\n// The above copyright notice and this permission notice shall be included\n// in all copies or substantial portions of the Software.\n//\n// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS\n// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\n// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN\n// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,\n// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR\n// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE\n// USE OR OTHER DEALINGS IN THE SOFTWARE.\n\nvar formatRegExp = /%[sdj%]/g;\nexports.format = function(f) {\n  if (!isString(f)) {\n    var objects = [];\n    for (var i = 0; i < arguments.length; i++) {\n      objects.push(inspect(arguments[i]));\n    }\n    return objects.join(' ');\n  }\n\n  var i = 1;\n  var args = arguments;\n  var len = args.length;\n  var str = String(f).replace(formatRegExp, function(x) {\n    if (x === '%%') return '%';\n    if (i >= len) return x;\n    switch (x) {\n      case '%s': return String(args[i++]);\n      case '%d': return Number(args[i++]);\n      case '%j':\n        try {\n          return JSON.stringify(args[i++]);\n        } catch (_) {\n          return '[Circular]';\n        }\n      default:\n        return x;\n    }\n  });\n  for (var x = args[i]; i < len; x = args[++i]) {\n    if (isNull(x) || !isObject(x)) {\n      str += ' ' + x;\n    } else {\n      str += ' ' + inspect(x);\n    }\n  }\n  return str;\n};\n\n\n// Mark that a method should not be used.\n// Returns a modified function which warns once by default.\n// If --no-deprecation is set, then it is a no-op.\nexports.deprecate = function(fn, msg) {\n  // Allow for deprecating things in the process of starting up.\n  if (isUndefined(global.process)) {\n    return function() {\n      return exports.deprecate(fn, msg).apply(this, arguments);\n    };\n  }\n\n  if (process.noDeprecation === true) {\n    return fn;\n  }\n\n  var warned = false;\n  function deprecated() {\n    if (!warned) {\n      if (process.throwDeprecation) {\n        throw new Error(msg);\n      } else if (process.traceDeprecation) {\n        console.trace(msg);\n      } else {\n        console.error(msg);\n      }\n      warned = true;\n    }\n    return fn.apply(this, arguments);\n  }\n\n  return deprecated;\n};\n\n\nvar debugs = {};\nvar debugEnviron;\nexports.debuglog = function(set) {\n  if (isUndefined(debugEnviron))\n    debugEnviron = process.env.NODE_DEBUG || '';\n  set = set.toUpperCase();\n  if (!debugs[set]) {\n    if (new RegExp('\\\\b' + set + '\\\\b', 'i').test(debugEnviron)) {\n      var pid = process.pid;\n      debugs[set] = function() {\n        var msg = exports.format.apply(exports, arguments);\n        console.error('%s %d: %s', set, pid, msg);\n      };\n    } else {\n      debugs[set] = function() {};\n    }\n  }\n  return debugs[set];\n};\n\n\n/**\n * Echos the value of a value. Trys to print the value out\n * in the best way possible given the different types.\n *\n * @param {Object} obj The object to print out.\n * @param {Object} opts Optional options object that alters the output.\n */\n/* legacy: obj, showHidden, depth, colors*/\nfunction inspect(obj, opts) {\n  // default options\n  var ctx = {\n    seen: [],\n    stylize: stylizeNoColor\n  };\n  // legacy...\n  if (arguments.length >= 3) ctx.depth = arguments[2];\n  if (arguments.length >= 4) ctx.colors = arguments[3];\n  if (isBoolean(opts)) {\n    // legacy...\n    ctx.showHidden = opts;\n  } else if (opts) {\n    // got an \"options\" object\n    exports._extend(ctx, opts);\n  }\n  // set default options\n  if (isUndefined(ctx.showHidden)) ctx.showHidden = false;\n  if (isUndefined(ctx.depth)) ctx.depth = 2;\n  if (isUndefined(ctx.colors)) ctx.colors = false;\n  if (isUndefined(ctx.customInspect)) ctx.customInspect = true;\n  if (ctx.colors) ctx.stylize = stylizeWithColor;\n  return formatValue(ctx, obj, ctx.depth);\n}\nexports.inspect = inspect;\n\n\n// http://en.wikipedia.org/wiki/ANSI_escape_code#graphics\ninspect.colors = {\n  'bold' : [1, 22],\n  'italic' : [3, 23],\n  'underline' : [4, 24],\n  'inverse' : [7, 27],\n  'white' : [37, 39],\n  'grey' : [90, 39],\n  'black' : [30, 39],\n  'blue' : [34, 39],\n  'cyan' : [36, 39],\n  'green' : [32, 39],\n  'magenta' : [35, 39],\n  'red' : [31, 39],\n  'yellow' : [33, 39]\n};\n\n// Don't use 'blue' not visible on cmd.exe\ninspect.styles = {\n  'special': 'cyan',\n  'number': 'yellow',\n  'boolean': 'yellow',\n  'undefined': 'grey',\n  'null': 'bold',\n  'string': 'green',\n  'date': 'magenta',\n  // \"name\": intentionally not styling\n  'regexp': 'red'\n};\n\n\nfunction stylizeWithColor(str, styleType) {\n  var style = inspect.styles[styleType];\n\n  if (style) {\n    return '\\u001b[' + inspect.colors[style][0] + 'm' + str +\n           '\\u001b[' + inspect.colors[style][1] + 'm';\n  } else {\n    return str;\n  }\n}\n\n\nfunction stylizeNoColor(str, styleType) {\n  return str;\n}\n\n\nfunction arrayToHash(array) {\n  var hash = {};\n\n  array.forEach(function(val, idx) {\n    hash[val] = true;\n  });\n\n  return hash;\n}\n\n\nfunction formatValue(ctx, value, recurseTimes) {\n  // Provide a hook for user-specified inspect functions.\n  // Check that value is an object with an inspect function on it\n  if (ctx.customInspect &&\n      value &&\n      isFunction(value.inspect) &&\n      // Filter out the util module, it's inspect function is special\n      value.inspect !== exports.inspect &&\n      // Also filter out any prototype objects using the circular check.\n      !(value.constructor && value.constructor.prototype === value)) {\n    var ret = value.inspect(recurseTimes, ctx);\n    if (!isString(ret)) {\n      ret = formatValue(ctx, ret, recurseTimes);\n    }\n    return ret;\n  }\n\n  // Primitive types cannot have properties\n  var primitive = formatPrimitive(ctx, value);\n  if (primitive) {\n    return primitive;\n  }\n\n  // Look up the keys of the object.\n  var keys = Object.keys(value);\n  var visibleKeys = arrayToHash(keys);\n\n  if (ctx.showHidden) {\n    keys = Object.getOwnPropertyNames(value);\n  }\n\n  // IE doesn't make error fields non-enumerable\n  // http://msdn.microsoft.com/en-us/library/ie/dww52sbt(v=vs.94).aspx\n  if (isError(value)\n      && (keys.indexOf('message') >= 0 || keys.indexOf('description') >= 0)) {\n    return formatError(value);\n  }\n\n  // Some type of object without properties can be shortcutted.\n  if (keys.length === 0) {\n    if (isFunction(value)) {\n      var name = value.name ? ': ' + value.name : '';\n      return ctx.stylize('[Function' + name + ']', 'special');\n    }\n    if (isRegExp(value)) {\n      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');\n    }\n    if (isDate(value)) {\n      return ctx.stylize(Date.prototype.toString.call(value), 'date');\n    }\n    if (isError(value)) {\n      return formatError(value);\n    }\n  }\n\n  var base = '', array = false, braces = ['{', '}'];\n\n  // Make Array say that they are Array\n  if (isArray(value)) {\n    array = true;\n    braces = ['[', ']'];\n  }\n\n  // Make functions say that they are functions\n  if (isFunction(value)) {\n    var n = value.name ? ': ' + value.name : '';\n    base = ' [Function' + n + ']';\n  }\n\n  // Make RegExps say that they are RegExps\n  if (isRegExp(value)) {\n    base = ' ' + RegExp.prototype.toString.call(value);\n  }\n\n  // Make dates with properties first say the date\n  if (isDate(value)) {\n    base = ' ' + Date.prototype.toUTCString.call(value);\n  }\n\n  // Make error with message first say the error\n  if (isError(value)) {\n    base = ' ' + formatError(value);\n  }\n\n  if (keys.length === 0 && (!array || value.length == 0)) {\n    return braces[0] + base + braces[1];\n  }\n\n  if (recurseTimes < 0) {\n    if (isRegExp(value)) {\n      return ctx.stylize(RegExp.prototype.toString.call(value), 'regexp');\n    } else {\n      return ctx.stylize('[Object]', 'special');\n    }\n  }\n\n  ctx.seen.push(value);\n\n  var output;\n  if (array) {\n    output = formatArray(ctx, value, recurseTimes, visibleKeys, keys);\n  } else {\n    output = keys.map(function(key) {\n      return formatProperty(ctx, value, recurseTimes, visibleKeys, key, array);\n    });\n  }\n\n  ctx.seen.pop();\n\n  return reduceToSingleString(output, base, braces);\n}\n\n\nfunction formatPrimitive(ctx, value) {\n  if (isUndefined(value))\n    return ctx.stylize('undefined', 'undefined');\n  if (isString(value)) {\n    var simple = '\\'' + JSON.stringify(value).replace(/^\"|\"$/g, '')\n                                             .replace(/'/g, \"\\\\'\")\n                                             .replace(/\\\\\"/g, '\"') + '\\'';\n    return ctx.stylize(simple, 'string');\n  }\n  if (isNumber(value))\n    return ctx.stylize('' + value, 'number');\n  if (isBoolean(value))\n    return ctx.stylize('' + value, 'boolean');\n  // For some reason typeof null is \"object\", so special case here.\n  if (isNull(value))\n    return ctx.stylize('null', 'null');\n}\n\n\nfunction formatError(value) {\n  return '[' + Error.prototype.toString.call(value) + ']';\n}\n\n\nfunction formatArray(ctx, value, recurseTimes, visibleKeys, keys) {\n  var output = [];\n  for (var i = 0, l = value.length; i < l; ++i) {\n    if (hasOwnProperty(value, String(i))) {\n      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,\n          String(i), true));\n    } else {\n      output.push('');\n    }\n  }\n  keys.forEach(function(key) {\n    if (!key.match(/^\\d+$/)) {\n      output.push(formatProperty(ctx, value, recurseTimes, visibleKeys,\n          key, true));\n    }\n  });\n  return output;\n}\n\n\nfunction formatProperty(ctx, value, recurseTimes, visibleKeys, key, array) {\n  var name, str, desc;\n  desc = Object.getOwnPropertyDescriptor(value, key) || { value: value[key] };\n  if (desc.get) {\n    if (desc.set) {\n      str = ctx.stylize('[Getter/Setter]', 'special');\n    } else {\n      str = ctx.stylize('[Getter]', 'special');\n    }\n  } else {\n    if (desc.set) {\n      str = ctx.stylize('[Setter]', 'special');\n    }\n  }\n  if (!hasOwnProperty(visibleKeys, key)) {\n    name = '[' + key + ']';\n  }\n  if (!str) {\n    if (ctx.seen.indexOf(desc.value) < 0) {\n      if (isNull(recurseTimes)) {\n        str = formatValue(ctx, desc.value, null);\n      } else {\n        str = formatValue(ctx, desc.value, recurseTimes - 1);\n      }\n      if (str.indexOf('\\n') > -1) {\n        if (array) {\n          str = str.split('\\n').map(function(line) {\n            return '  ' + line;\n          }).join('\\n').substr(2);\n        } else {\n          str = '\\n' + str.split('\\n').map(function(line) {\n            return '   ' + line;\n          }).join('\\n');\n        }\n      }\n    } else {\n      str = ctx.stylize('[Circular]', 'special');\n    }\n  }\n  if (isUndefined(name)) {\n    if (array && key.match(/^\\d+$/)) {\n      return str;\n    }\n    name = JSON.stringify('' + key);\n    if (name.match(/^\"([a-zA-Z_][a-zA-Z_0-9]*)\"$/)) {\n      name = name.substr(1, name.length - 2);\n      name = ctx.stylize(name, 'name');\n    } else {\n      name = name.replace(/'/g, \"\\\\'\")\n                 .replace(/\\\\\"/g, '\"')\n                 .replace(/(^\"|\"$)/g, \"'\");\n      name = ctx.stylize(name, 'string');\n    }\n  }\n\n  return name + ': ' + str;\n}\n\n\nfunction reduceToSingleString(output, base, braces) {\n  var numLinesEst = 0;\n  var length = output.reduce(function(prev, cur) {\n    numLinesEst++;\n    if (cur.indexOf('\\n') >= 0) numLinesEst++;\n    return prev + cur.replace(/\\u001b\\[\\d\\d?m/g, '').length + 1;\n  }, 0);\n\n  if (length > 60) {\n    return braces[0] +\n           (base === '' ? '' : base + '\\n ') +\n           ' ' +\n           output.join(',\\n  ') +\n           ' ' +\n           braces[1];\n  }\n\n  return braces[0] + base + ' ' + output.join(', ') + ' ' + braces[1];\n}\n\n\n// NOTE: These type checking functions intentionally don't use `instanceof`\n// because it is fragile and can be easily faked with `Object.create()`.\nfunction isArray(ar) {\n  return Array.isArray(ar);\n}\nexports.isArray = isArray;\n\nfunction isBoolean(arg) {\n  return typeof arg === 'boolean';\n}\nexports.isBoolean = isBoolean;\n\nfunction isNull(arg) {\n  return arg === null;\n}\nexports.isNull = isNull;\n\nfunction isNullOrUndefined(arg) {\n  return arg == null;\n}\nexports.isNullOrUndefined = isNullOrUndefined;\n\nfunction isNumber(arg) {\n  return typeof arg === 'number';\n}\nexports.isNumber = isNumber;\n\nfunction isString(arg) {\n  return typeof arg === 'string';\n}\nexports.isString = isString;\n\nfunction isSymbol(arg) {\n  return typeof arg === 'symbol';\n}\nexports.isSymbol = isSymbol;\n\nfunction isUndefined(arg) {\n  return arg === void 0;\n}\nexports.isUndefined = isUndefined;\n\nfunction isRegExp(re) {\n  return isObject(re) && objectToString(re) === '[object RegExp]';\n}\nexports.isRegExp = isRegExp;\n\nfunction isObject(arg) {\n  return typeof arg === 'object' && arg !== null;\n}\nexports.isObject = isObject;\n\nfunction isDate(d) {\n  return isObject(d) && objectToString(d) === '[object Date]';\n}\nexports.isDate = isDate;\n\nfunction isError(e) {\n  return isObject(e) &&\n      (objectToString(e) === '[object Error]' || e instanceof Error);\n}\nexports.isError = isError;\n\nfunction isFunction(arg) {\n  return typeof arg === 'function';\n}\nexports.isFunction = isFunction;\n\nfunction isPrimitive(arg) {\n  return arg === null ||\n         typeof arg === 'boolean' ||\n         typeof arg === 'number' ||\n         typeof arg === 'string' ||\n         typeof arg === 'symbol' ||  // ES6 symbol\n         typeof arg === 'undefined';\n}\nexports.isPrimitive = isPrimitive;\n\nexports.isBuffer = require('./support/isBuffer');\n\nfunction objectToString(o) {\n  return Object.prototype.toString.call(o);\n}\n\n\nfunction pad(n) {\n  return n < 10 ? '0' + n.toString(10) : n.toString(10);\n}\n\n\nvar months = ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep',\n              'Oct', 'Nov', 'Dec'];\n\n// 26 Feb 16:19:34\nfunction timestamp() {\n  var d = new Date();\n  var time = [pad(d.getHours()),\n              pad(d.getMinutes()),\n              pad(d.getSeconds())].join(':');\n  return [d.getDate(), months[d.getMonth()], time].join(' ');\n}\n\n\n// log is just a thin wrapper to console.log that prepends a timestamp\nexports.log = function() {\n  console.log('%s - %s', timestamp(), exports.format.apply(exports, arguments));\n};\n\n\n/**\n * Inherit the prototype methods from one constructor into another.\n *\n * The Function.prototype.inherits from lang.js rewritten as a standalone\n * function (not on Function.prototype). NOTE: If this file is to be loaded\n * during bootstrapping this function needs to be rewritten using some native\n * functions as prototype setup using normal JavaScript does not work as\n * expected during bootstrapping (see mirror.js in r114903).\n *\n * @param {function} ctor Constructor function which needs to inherit the\n *     prototype.\n * @param {function} superCtor Constructor function to inherit prototype from.\n */\nexports.inherits = require('inherits');\n\nexports._extend = function(origin, add) {\n  // Don't do anything if add isn't an object\n  if (!add || !isObject(add)) return origin;\n\n  var keys = Object.keys(add);\n  var i = keys.length;\n  while (i--) {\n    origin[keys[i]] = add[keys[i]];\n  }\n  return origin;\n};\n\nfunction hasOwnProperty(obj, prop) {\n  return Object.prototype.hasOwnProperty.call(obj, prop);\n}\n\n}).call(this,require('_process'),typeof global !== \"undefined\" ? global : typeof self !== \"undefined\" ? self : typeof window !== 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(global){\nvar topLevel = typeof global !== 'undefined' ? global :\n    typeof window !== 'undefined' ? window : {}\nvar minDoc = require('min-document');\n\nif (typeof document !== 'undefined') {\n    module.exports = document;\n} else {\n    var doccy = topLevel['__GLOBAL_DOCUMENT_CACHE@4'];\n\n    if (!doccy) {\n        doccy = topLevel['__GLOBAL_DOCUMENT_CACHE@4'] = minDoc;\n    }\n\n    module.exports = doccy;\n}\n\n}).call(this,typeof global !== \"undefined\" ? global : typeof self !== \"undefined\" ? self : typeof window !== \"undefined\" ? window : {})\n//# 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window;\n} else if (typeof global !== \"undefined\") {\n    module.exports = global;\n} else if (typeof self !== \"undefined\"){\n    module.exports = self;\n} else {\n    module.exports = {};\n}\n\n}).call(this,typeof global !== \"undefined\" ? global : typeof self !== \"undefined\" ? self : typeof window !== \"undefined\" ? window : {})\n//# sourceMappingURL=data:application/json;charset:utf-8;base64,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","module.exports = noop\n\n// no operation\n// null -> null\nfunction noop() {}\n\n// call noop to satisfy test cov suites\nnoop()\n","/* global MutationObserver */\nvar document = require('global/document')\nvar window = require('global/window')\nvar watch = Object.create(null)\nvar KEY_ID = 'onloadid' + (new Date() % 9e6).toString(36)\nvar KEY_ATTR = 'data-' + KEY_ID\nvar INDEX = 0\n\nif (window && window.MutationObserver) {\n  var observer = new MutationObserver(function (mutations) {\n    if (Object.keys(watch).length < 1) return\n    for (var i = 0; i < mutations.length; i++) {\n      if (mutations[i].attributeName === KEY_ATTR) {\n        eachAttr(mutations[i], turnon, turnoff)\n        continue\n      }\n      eachMutation(mutations[i].removedNodes, turnoff)\n      eachMutation(mutations[i].addedNodes, turnon)\n    }\n  })\n  observer.observe(document.body, {\n    childList: true,\n    subtree: true,\n    attributes: true,\n    attributeOldValue: true,\n    attributeFilter: [KEY_ATTR]\n  })\n}\n\nmodule.exports = function onload (el, on, off, caller) {\n  on = on || function () {}\n  off = off || function () {}\n  el.setAttribute(KEY_ATTR, 'o' + INDEX)\n  watch['o' + INDEX] = [on, off, 0, caller || onload.caller]\n  INDEX += 1\n  return el\n}\n\nfunction turnon (index, el) {\n  if (watch[index][0] && watch[index][2] === 0) {\n    watch[index][0](el)\n    watch[index][2] = 1\n  }\n}\n\nfunction turnoff (index, el) {\n  if (watch[index][1] && watch[index][2] === 1) {\n    watch[index][1](el)\n    watch[index][2] = 0\n  }\n}\n\nfunction eachAttr (mutation, on, off) {\n  var newValue = mutation.target.getAttribute(KEY_ATTR)\n  if (sameOrigin(mutation.oldValue, newValue)) {\n    watch[newValue] = watch[mutation.oldValue]\n    return\n  }\n  if (watch[mutation.oldValue]) {\n    off(mutation.oldValue, mutation.target)\n  }\n  if (watch[newValue]) {\n    on(newValue, mutation.target)\n  }\n}\n\nfunction sameOrigin (oldValue, newValue) {\n  if (!oldValue || !newValue) return false\n  return watch[oldValue][3] === watch[newValue][3]\n}\n\nfunction eachMutation (nodes, fn) {\n  var keys = Object.keys(watch)\n  for (var i = 0; i < nodes.length; i++) {\n    if (nodes[i] && nodes[i].getAttribute && nodes[i].getAttribute(KEY_ATTR)) {\n      var onloadid = nodes[i].getAttribute(KEY_ATTR)\n      keys.forEach(function (k) {\n        if (onloadid === k) {\n          fn(k, nodes[i])\n        }\n      })\n    }\n    if (nodes[i].childNodes.length > 0) {\n      eachMutation(nodes[i].childNodes, fn)\n    }\n  }\n}\n","const document = require('global/document')\nconst onload = require('on-load')\nconst assert = require('assert')\nconst noop = require('noop2')\n\nconst elType = 'div'\n\nmodule.exports = widgetizeElement\n\n// turn an element into a widget\n// (fn) -> fn(fn(fn(any...)))\nfunction widgetizeElement (createNode) {\n  assert.equal(typeof createNode, 'function', 'cache-element/widget: createNode should be an function')\n\n  var isProxied = false\n  var sendUpdate = false\n  var element = null\n  var proxy = null\n\n  return function render () {\n    var args = new Array(arguments.length)\n    for (var i = 0; i < args.length; i++) {\n      args[i] = arguments[i]\n    }\n\n    if (!element) {\n      element = createNode(update)\n      assert.equal(typeof element, 'object', 'cache-element/widget: element should be an object')\n\n      // reset elements when el is dismounted\n      onload(element, noop, function onunload (el) {\n        isProxied = false\n        sendUpdate = false\n        element = null\n        proxy = null\n      })\n\n      if (sendUpdate) sendUpdate.apply(null, args)\n      return element\n    } else {\n      if (!isProxied) {\n        proxy = document.createElement(elType)\n        proxy.isSameNode = function (el) {\n          return (el === element)\n        }\n      }\n      if (sendUpdate) sendUpdate.apply(null, args)\n      return proxy\n    }\n  }\n\n  // (fn) -> null\n  function update (onupdate) {\n    assert.equal(typeof onupdate, 'function', 'cache-element/widget: onupdate should be a function')\n    sendUpdate = onupdate\n  }\n}\n"]}
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})({"leaflet":[function(require,module,exports){
/*
 Leaflet 1.0.1, a JS library for interactive maps. http://leafletjs.com
 (c) 2010-2016 Vladimir Agafonkin, (c) 2010-2011 CloudMade
*/
(function (window, document, undefined) {
var L = {
	version: "1.0.1"
};

function expose() {
	var oldL = window.L;

	L.noConflict = function () {
		window.L = oldL;
		return this;
	};

	window.L = L;
}

// define Leaflet for Node module pattern loaders, including Browserify
if (typeof module === 'object' && typeof module.exports === 'object') {
	module.exports = L;

// define Leaflet as an AMD module
} else if (typeof define === 'function' && define.amd) {
	define(L);
}

// define Leaflet as a global L variable, saving the original L to restore later if needed
if (typeof window !== 'undefined') {
	expose();
}



/*
 * @namespace Util
 *
 * Various utility functions, used by Leaflet internally.
 */

L.Util = {

	// @function extend(dest: Object, src?: Object): Object
	// Merges the properties of the `src` object (or multiple objects) into `dest` object and returns the latter. Has an `L.extend` shortcut.
	extend: function (dest) {
		var i, j, len, src;

		for (j = 1, len = arguments.length; j < len; j++) {
			src = arguments[j];
			for (i in src) {
				dest[i] = src[i];
			}
		}
		return dest;
	},

	// @function create(proto: Object, properties?: Object): Object
	// Compatibility polyfill for [Object.create](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Object/create)
	create: Object.create || (function () {
		function F() {}
		return function (proto) {
			F.prototype = proto;
			return new F();
		};
	})(),

	// @function bind(fn: Function, …): Function
	// Returns a new function bound to the arguments passed, like [Function.prototype.bind](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Function/bind).
	// Has a `L.bind()` shortcut.
	bind: function (fn, obj) {
		var slice = Array.prototype.slice;

		if (fn.bind) {
			return fn.bind.apply(fn, slice.call(arguments, 1));
		}

		var args = slice.call(arguments, 2);

		return function () {
			return fn.apply(obj, args.length ? args.concat(slice.call(arguments)) : arguments);
		};
	},

	// @function stamp(obj: Object): Number
	// Returns the unique ID of an object, assiging it one if it doesn't have it.
	stamp: function (obj) {
		/*eslint-disable */
		obj._leaflet_id = obj._leaflet_id || ++L.Util.lastId;
		return obj._leaflet_id;
		/*eslint-enable */
	},

	// @property lastId: Number
	// Last unique ID used by [`stamp()`](#util-stamp)
	lastId: 0,

	// @function throttle(fn: Function, time: Number, context: Object): Function
	// Returns a function which executes function `fn` with the given scope `context`
	// (so that the `this` keyword refers to `context` inside `fn`'s code). The function
	// `fn` will be called no more than one time per given amount of `time`. The arguments
	// received by the bound function will be any arguments passed when binding the
	// function, followed by any arguments passed when invoking the bound function.
	// Has an `L.bind` shortcut.
	throttle: function (fn, time, context) {
		var lock, args, wrapperFn, later;

		later = function () {
			// reset lock and call if queued
			lock = false;
			if (args) {
				wrapperFn.apply(context, args);
				args = false;
			}
		};

		wrapperFn = function () {
			if (lock) {
				// called too soon, queue to call later
				args = arguments;

			} else {
				// call and lock until later
				fn.apply(context, arguments);
				setTimeout(later, time);
				lock = true;
			}
		};

		return wrapperFn;
	},

	// @function wrapNum(num: Number, range: Number[], includeMax?: Boolean): Number
	// Returns the number `num` modulo `range` in such a way so it lies within
	// `range[0]` and `range[1]`. The returned value will be always smaller than
	// `range[1]` unless `includeMax` is set to `true`.
	wrapNum: function (x, range, includeMax) {
		var max = range[1],
		    min = range[0],
		    d = max - min;
		return x === max && includeMax ? x : ((x - min) % d + d) % d + min;
	},

	// @function falseFn(): Function
	// Returns a function which always returns `false`.
	falseFn: function () { return false; },

	// @function formatNum(num: Number, digits?: Number): Number
	// Returns the number `num` rounded to `digits` decimals, or to 5 decimals by default.
	formatNum: function (num, digits) {
		var pow = Math.pow(10, digits || 5);
		return Math.round(num * pow) / pow;
	},

	// @function trim(str: String): String
	// Compatibility polyfill for [String.prototype.trim](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/String/Trim)
	trim: function (str) {
		return str.trim ? str.trim() : str.replace(/^\s+|\s+$/g, '');
	},

	// @function splitWords(str: String): String[]
	// Trims and splits the string on whitespace and returns the array of parts.
	splitWords: function (str) {
		return L.Util.trim(str).split(/\s+/);
	},

	// @function setOptions(obj: Object, options: Object): Object
	// Merges the given properties to the `options` of the `obj` object, returning the resulting options. See `Class options`. Has an `L.setOptions` shortcut.
	setOptions: function (obj, options) {
		if (!obj.hasOwnProperty('options')) {
			obj.options = obj.options ? L.Util.create(obj.options) : {};
		}
		for (var i in options) {
			obj.options[i] = options[i];
		}
		return obj.options;
	},

	// @function getParamString(obj: Object, existingUrl?: String, uppercase?: Boolean): String
	// Converts an object into a parameter URL string, e.g. `{a: "foo", b: "bar"}`
	// translates to `'?a=foo&b=bar'`. If `existingUrl` is set, the parameters will
	// be appended at the end. If `uppercase` is `true`, the parameter names will
	// be uppercased (e.g. `'?A=foo&B=bar'`)
	getParamString: function (obj, existingUrl, uppercase) {
		var params = [];
		for (var i in obj) {
			params.push(encodeURIComponent(uppercase ? i.toUpperCase() : i) + '=' + encodeURIComponent(obj[i]));
		}
		return ((!existingUrl || existingUrl.indexOf('?') === -1) ? '?' : '&') + params.join('&');
	},

	// @function template(str: String, data: Object): String
	// Simple templating facility, accepts a template string of the form `'Hello {a}, {b}'`
	// and a data object like `{a: 'foo', b: 'bar'}`, returns evaluated string
	// `('Hello foo, bar')`. You can also specify functions instead of strings for
	// data values — they will be evaluated passing `data` as an argument.
	template: function (str, data) {
		return str.replace(L.Util.templateRe, function (str, key) {
			var value = data[key];

			if (value === undefined) {
				throw new Error('No value provided for variable ' + str);

			} else if (typeof value === 'function') {
				value = value(data);
			}
			return value;
		});
	},

	templateRe: /\{ *([\w_\-]+) *\}/g,

	// @function isArray(obj): Boolean
	// Compatibility polyfill for [Array.isArray](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Array/isArray)
	isArray: Array.isArray || function (obj) {
		return (Object.prototype.toString.call(obj) === '[object Array]');
	},

	// @function indexOf(array: Array, el: Object): Number
	// Compatibility polyfill for [Array.prototype.indexOf](https://developer.mozilla.org/docs/Web/JavaScript/Reference/Global_Objects/Array/indexOf)
	indexOf: function (array, el) {
		for (var i = 0; i < array.length; i++) {
			if (array[i] === el) { return i; }
		}
		return -1;
	},

	// @property emptyImageUrl: String
	// Data URI string containing a base64-encoded empty GIF image.
	// Used as a hack to free memory from unused images on WebKit-powered
	// mobile devices (by setting image `src` to this string).
	emptyImageUrl: 'data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs='
};

(function () {
	// inspired by http://paulirish.com/2011/requestanimationframe-for-smart-animating/

	function getPrefixed(name) {
		return window['webkit' + name] || window['moz' + name] || window['ms' + name];
	}

	var lastTime = 0;

	// fallback for IE 7-8
	function timeoutDefer(fn) {
		var time = +new Date(),
		    timeToCall = Math.max(0, 16 - (time - lastTime));

		lastTime = time + timeToCall;
		return window.setTimeout(fn, timeToCall);
	}

	var requestFn = window.requestAnimationFrame || getPrefixed('RequestAnimationFrame') || timeoutDefer,
	    cancelFn = window.cancelAnimationFrame || getPrefixed('CancelAnimationFrame') ||
	               getPrefixed('CancelRequestAnimationFrame') || function (id) { window.clearTimeout(id); };


	// @function requestAnimFrame(fn: Function, context?: Object, immediate?: Boolean): Number
	// Schedules `fn` to be executed when the browser repaints. `fn` is bound to
	// `context` if given. When `immediate` is set, `fn` is called immediately if
	// the browser doesn't have native support for
	// [`window.requestAnimationFrame`](https://developer.mozilla.org/docs/Web/API/window/requestAnimationFrame),
	// otherwise it's delayed. Returns a request ID that can be used to cancel the request.
	L.Util.requestAnimFrame = function (fn, context, immediate) {
		if (immediate && requestFn === timeoutDefer) {
			fn.call(context);
		} else {
			return requestFn.call(window, L.bind(fn, context));
		}
	};

	// @function cancelAnimFrame(id: Number): undefined
	// Cancels a previous `requestAnimFrame`. See also [window.cancelAnimationFrame](https://developer.mozilla.org/docs/Web/API/window/cancelAnimationFrame).
	L.Util.cancelAnimFrame = function (id) {
		if (id) {
			cancelFn.call(window, id);
		}
	};
})();

// shortcuts for most used utility functions
L.extend = L.Util.extend;
L.bind = L.Util.bind;
L.stamp = L.Util.stamp;
L.setOptions = L.Util.setOptions;




// @class Class
// @aka L.Class

// @section
// @uninheritable

// Thanks to John Resig and Dean Edwards for inspiration!

L.Class = function () {};

L.Class.extend = function (props) {

	// @function extend(props: Object): Function
	// [Extends the current class](#class-inheritance) given the properties to be included.
	// Returns a Javascript function that is a class constructor (to be called with `new`).
	var NewClass = function () {

		// call the constructor
		if (this.initialize) {
			this.initialize.apply(this, arguments);
		}

		// call all constructor hooks
		this.callInitHooks();
	};

	var parentProto = NewClass.__super__ = this.prototype;

	var proto = L.Util.create(parentProto);
	proto.constructor = NewClass;

	NewClass.prototype = proto;

	// inherit parent's statics
	for (var i in this) {
		if (this.hasOwnProperty(i) && i !== 'prototype') {
			NewClass[i] = this[i];
		}
	}

	// mix static properties into the class
	if (props.statics) {
		L.extend(NewClass, props.statics);
		delete props.statics;
	}

	// mix includes into the prototype
	if (props.includes) {
		L.Util.extend.apply(null, [proto].concat(props.includes));
		delete props.includes;
	}

	// merge options
	if (proto.options) {
		props.options = L.Util.extend(L.Util.create(proto.options), props.options);
	}

	// mix given properties into the prototype
	L.extend(proto, props);

	proto._initHooks = [];

	// add method for calling all hooks
	proto.callInitHooks = function () {

		if (this._initHooksCalled) { return; }

		if (parentProto.callInitHooks) {
			parentProto.callInitHooks.call(this);
		}

		this._initHooksCalled = true;

		for (var i = 0, len = proto._initHooks.length; i < len; i++) {
			proto._initHooks[i].call(this);
		}
	};

	return NewClass;
};


// @function include(properties: Object): this
// [Includes a mixin](#class-includes) into the current class.
L.Class.include = function (props) {
	L.extend(this.prototype, props);
	return this;
};

// @function mergeOptions(options: Object): this
// [Merges `options`](#class-options) into the defaults of the class.
L.Class.mergeOptions = function (options) {
	L.extend(this.prototype.options, options);
	return this;
};

// @function addInitHook(fn: Function): this
// Adds a [constructor hook](#class-constructor-hooks) to the class.
L.Class.addInitHook = function (fn) { // (Function) || (String, args...)
	var args = Array.prototype.slice.call(arguments, 1);

	var init = typeof fn === 'function' ? fn : function () {
		this[fn].apply(this, args);
	};

	this.prototype._initHooks = this.prototype._initHooks || [];
	this.prototype._initHooks.push(init);
	return this;
};



/*
 * @class Evented
 * @aka L.Evented
 * @inherits Class
 *
 * A set of methods shared between event-powered classes (like `Map` and `Marker`). Generally, events allow you to execute some function when something happens with an object (e.g. the user clicks on the map, causing the map to fire `'click'` event).
 *
 * @example
 *
 * ```js
 * map.on('click', function(e) {
 * 	alert(e.latlng);
 * } );
 * ```
 *
 * Leaflet deals with event listeners by reference, so if you want to add a listener and then remove it, define it as a function:
 *
 * ```js
 * function onClick(e) { ... }
 *
 * map.on('click', onClick);
 * map.off('click', onClick);
 * ```
 */


L.Evented = L.Class.extend({

	/* @method on(type: String, fn: Function, context?: Object): this
	 * Adds a listener function (`fn`) to a particular event type of the object. You can optionally specify the context of the listener (object the this keyword will point to). You can also pass several space-separated types (e.g. `'click dblclick'`).
	 *
	 * @alternative
	 * @method on(eventMap: Object): this
	 * Adds a set of type/listener pairs, e.g. `{click: onClick, mousemove: onMouseMove}`
	 */
	on: function (types, fn, context) {

		// types can be a map of types/handlers
		if (typeof types === 'object') {
			for (var type in types) {
				// we don't process space-separated events here for performance;
				// it's a hot path since Layer uses the on(obj) syntax
				this._on(type, types[type], fn);
			}

		} else {
			// types can be a string of space-separated words
			types = L.Util.splitWords(types);

			for (var i = 0, len = types.length; i < len; i++) {
				this._on(types[i], fn, context);
			}
		}

		return this;
	},

	/* @method off(type: String, fn?: Function, context?: Object): this
	 * Removes a previously added listener function. If no function is specified, it will remove all the listeners of that particular event from the object. Note that if you passed a custom context to `on`, you must pass the same context to `off` in order to remove the listener.
	 *
	 * @alternative
	 * @method off(eventMap: Object): this
	 * Removes a set of type/listener pairs.
	 *
	 * @alternative
	 * @method off: this
	 * Removes all listeners to all events on the object.
	 */
	off: function (types, fn, context) {

		if (!types) {
			// clear all listeners if called without arguments
			delete this._events;

		} else if (typeof types === 'object') {
			for (var type in types) {
				this._off(type, types[type], fn);
			}

		} else {
			types = L.Util.splitWords(types);

			for (var i = 0, len = types.length; i < len; i++) {
				this._off(types[i], fn, context);
			}
		}

		return this;
	},

	// attach listener (without syntactic sugar now)
	_on: function (type, fn, context) {
		this._events = this._events || {};

		/* get/init listeners for type */
		var typeListeners = this._events[type];
		if (!typeListeners) {
			typeListeners = [];
			this._events[type] = typeListeners;
		}

		if (context === this) {
			// Less memory footprint.
			context = undefined;
		}
		var newListener = {fn: fn, ctx: context},
		    listeners = typeListeners;

		// check if fn already there
		for (var i = 0, len = listeners.length; i < len; i++) {
			if (listeners[i].fn === fn && listeners[i].ctx === context) {
				return;
			}
		}

		listeners.push(newListener);
		typeListeners.count++;
	},

	_off: function (type, fn, context) {
		var listeners,
		    i,
		    len;

		if (!this._events) { return; }

		listeners = this._events[type];

		if (!listeners) {
			return;
		}

		if (!fn) {
			// Set all removed listeners to noop so they are not called if remove happens in fire
			for (i = 0, len = listeners.length; i < len; i++) {
				listeners[i].fn = L.Util.falseFn;
			}
			// clear all listeners for a type if function isn't specified
			delete this._events[type];
			return;
		}

		if (context === this) {
			context = undefined;
		}

		if (listeners) {

			// find fn and remove it
			for (i = 0, len = listeners.length; i < len; i++) {
				var l = listeners[i];
				if (l.ctx !== context) { continue; }
				if (l.fn === fn) {

					// set the removed listener to noop so that's not called if remove happens in fire
					l.fn = L.Util.falseFn;

					if (this._firingCount) {
						/* copy array in case events are being fired */
						this._events[type] = listeners = listeners.slice();
					}
					listeners.splice(i, 1);

					return;
				}
			}
		}
	},

	// @method fire(type: String, data?: Object, propagate?: Boolean): this
	// Fires an event of the specified type. You can optionally provide an data
	// object — the first argument of the listener function will contain its
	// properties. The event might can optionally be propagated to event parents.
	fire: function (type, data, propagate) {
		if (!this.listens(type, propagate)) { return this; }

		var event = L.Util.extend({}, data, {type: type, target: this});

		if (this._events) {
			var listeners = this._events[type];

			if (listeners) {
				this._firingCount = (this._firingCount + 1) || 1;
				for (var i = 0, len = listeners.length; i < len; i++) {
					var l = listeners[i];
					l.fn.call(l.ctx || this, event);
				}

				this._firingCount--;
			}
		}

		if (propagate) {
			// propagate the event to parents (set with addEventParent)
			this._propagateEvent(event);
		}

		return this;
	},

	// @method listens(type: String): Boolean
	// Returns `true` if a particular event type has any listeners attached to it.
	listens: function (type, propagate) {
		var listeners = this._events && this._events[type];
		if (listeners && listeners.length) { return true; }

		if (propagate) {
			// also check parents for listeners if event propagates
			for (var id in this._eventParents) {
				if (this._eventParents[id].listens(type, propagate)) { return true; }
			}
		}
		return false;
	},

	// @method once(…): this
	// Behaves as [`on(…)`](#evented-on), except the listener will only get fired once and then removed.
	once: function (types, fn, context) {

		if (typeof types === 'object') {
			for (var type in types) {
				this.once(type, types[type], fn);
			}
			return this;
		}

		var handler = L.bind(function () {
			this
			    .off(types, fn, context)
			    .off(types, handler, context);
		}, this);

		// add a listener that's executed once and removed after that
		return this
		    .on(types, fn, context)
		    .on(types, handler, context);
	},

	// @method addEventParent(obj: Evented): this
	// Adds an event parent - an `Evented` that will receive propagated events
	addEventParent: function (obj) {
		this._eventParents = this._eventParents || {};
		this._eventParents[L.stamp(obj)] = obj;
		return this;
	},

	// @method removeEventParent(obj: Evented): this
	// Removes an event parent, so it will stop receiving propagated events
	removeEventParent: function (obj) {
		if (this._eventParents) {
			delete this._eventParents[L.stamp(obj)];
		}
		return this;
	},

	_propagateEvent: function (e) {
		for (var id in this._eventParents) {
			this._eventParents[id].fire(e.type, L.extend({layer: e.target}, e), true);
		}
	}
});

var proto = L.Evented.prototype;

// aliases; we should ditch those eventually

// @method addEventListener(…): this
// Alias to [`on(…)`](#evented-on)
proto.addEventListener = proto.on;

// @method removeEventListener(…): this
// Alias to [`off(…)`](#evented-off)

// @method clearAllEventListeners(…): this
// Alias to [`off()`](#evented-off)
proto.removeEventListener = proto.clearAllEventListeners = proto.off;

// @method addOneTimeEventListener(…): this
// Alias to [`once(…)`](#evented-once)
proto.addOneTimeEventListener = proto.once;

// @method fireEvent(…): this
// Alias to [`fire(…)`](#evented-fire)
proto.fireEvent = proto.fire;

// @method hasEventListeners(…): Boolean
// Alias to [`listens(…)`](#evented-listens)
proto.hasEventListeners = proto.listens;

L.Mixin = {Events: proto};



/*
 * @namespace Browser
 * @aka L.Browser
 *
 * A namespace with static properties for browser/feature detection used by Leaflet internally.
 *
 * @example
 *
 * ```js
 * if (L.Browser.ielt9) {
 *   alert('Upgrade your browser, dude!');
 * }
 * ```
 */

(function () {

	var ua = navigator.userAgent.toLowerCase(),
	    doc = document.documentElement,

	    ie = 'ActiveXObject' in window,

	    webkit    = ua.indexOf('webkit') !== -1,
	    phantomjs = ua.indexOf('phantom') !== -1,
	    android23 = ua.search('android [23]') !== -1,
	    chrome    = ua.indexOf('chrome') !== -1,
	    gecko     = ua.indexOf('gecko') !== -1  && !webkit && !window.opera && !ie,

	    win = navigator.platform.indexOf('Win') === 0,

	    mobile = typeof orientation !== 'undefined' || ua.indexOf('mobile') !== -1,
	    msPointer = !window.PointerEvent && window.MSPointerEvent,
	    pointer = window.PointerEvent || msPointer,

	    ie3d = ie && ('transition' in doc.style),
	    webkit3d = ('WebKitCSSMatrix' in window) && ('m11' in new window.WebKitCSSMatrix()) && !android23,
	    gecko3d = 'MozPerspective' in doc.style,
	    opera12 = 'OTransition' in doc.style;


	var touch = !window.L_NO_TOUCH && (pointer || 'ontouchstart' in window ||
			(window.DocumentTouch && document instanceof window.DocumentTouch));

	L.Browser = {

		// @property ie: Boolean
		// `true` for all Internet Explorer versions (not Edge).
		ie: ie,

		// @property ielt9: Boolean
		// `true` for Internet Explorer versions less than 9.
		ielt9: ie && !document.addEventListener,

		// @property edge: Boolean
		// `true` for the Edge web browser.
		edge: 'msLaunchUri' in navigator && !('documentMode' in document),

		// @property webkit: Boolean
		// `true` for webkit-based browsers like Chrome and Safari (including mobile versions).
		webkit: webkit,

		// @property gecko: Boolean
		// `true` for gecko-based browsers like Firefox.
		gecko: gecko,

		// @property android: Boolean
		// `true` for any browser running on an Android platform.
		android: ua.indexOf('android') !== -1,

		// @property android23: Boolean
		// `true` for browsers running on Android 2 or Android 3.
		android23: android23,

		// @property chrome: Boolean
		// `true` for the Chrome browser.
		chrome: chrome,

		// @property safari: Boolean
		// `true` for the Safari browser.
		safari: !chrome && ua.indexOf('safari') !== -1,


		// @property win: Boolean
		// `true` when the browser is running in a Windows platform
		win: win,


		// @property ie3d: Boolean
		// `true` for all Internet Explorer versions supporting CSS transforms.
		ie3d: ie3d,

		// @property webkit3d: Boolean
		// `true` for webkit-based browsers supporting CSS transforms.
		webkit3d: webkit3d,

		// @property gecko3d: Boolean
		// `true` for gecko-based browsers supporting CSS transforms.
		gecko3d: gecko3d,

		// @property opera12: Boolean
		// `true` for the Opera browser supporting CSS transforms (version 12 or later).
		opera12: opera12,

		// @property any3d: Boolean
		// `true` for all browsers supporting CSS transforms.
		any3d: !window.L_DISABLE_3D && (ie3d || webkit3d || gecko3d) && !opera12 && !phantomjs,


		// @property mobile: Boolean
		// `true` for all browsers running in a mobile device.
		mobile: mobile,

		// @property mobileWebkit: Boolean
		// `true` for all webkit-based browsers in a mobile device.
		mobileWebkit: mobile && webkit,

		// @property mobileWebkit3d: Boolean
		// `true` for all webkit-based browsers in a mobile device supporting CSS transforms.
		mobileWebkit3d: mobile && webkit3d,

		// @property mobileOpera: Boolean
		// `true` for the Opera browser in a mobile device.
		mobileOpera: mobile && window.opera,

		// @property mobileGecko: Boolean
		// `true` for gecko-based browsers running in a mobile device.
		mobileGecko: mobile && gecko,


		// @property touch: Boolean
		// `true` for all browsers supporting [touch events](https://developer.mozilla.org/docs/Web/API/Touch_events).
		touch: !!touch,

		// @property msPointer: Boolean
		// `true` for browsers implementing the Microsoft touch events model (notably IE10).
		msPointer: !!msPointer,

		// @property pointer: Boolean
		// `true` for all browsers supporting [pointer events](https://msdn.microsoft.com/en-us/library/dn433244%28v=vs.85%29.aspx).
		pointer: !!pointer,


		// @property retina: Boolean
		// `true` for browsers on a high-resolution "retina" screen.
		retina: (window.devicePixelRatio || (window.screen.deviceXDPI / window.screen.logicalXDPI)) > 1
	};

}());



/*
 * @class Point
 * @aka L.Point
 *
 * Represents a point with `x` and `y` coordinates in pixels.
 *
 * @example
 *
 * ```js
 * var point = L.point(200, 300);
 * ```
 *
 * All Leaflet methods and options that accept `Point` objects also accept them in a simple Array form (unless noted otherwise), so these lines are equivalent:
 *
 * ```js
 * map.panBy([200, 300]);
 * map.panBy(L.point(200, 300));
 * ```
 */

L.Point = function (x, y, round) {
	this.x = (round ? Math.round(x) : x);
	this.y = (round ? Math.round(y) : y);
};

L.Point.prototype = {

	// @method clone(): Point
	// Returns a copy of the current point.
	clone: function () {
		return new L.Point(this.x, this.y);
	},

	// @method add(otherPoint: Point): Point
	// Returns the result of addition of the current and the given points.
	add: function (point) {
		// non-destructive, returns a new point
		return this.clone()._add(L.point(point));
	},

	_add: function (point) {
		// destructive, used directly for performance in situations where it's safe to modify existing point
		this.x += point.x;
		this.y += point.y;
		return this;
	},

	// @method subtract(otherPoint: Point): Point
	// Returns the result of subtraction of the given point from the current.
	subtract: function (point) {
		return this.clone()._subtract(L.point(point));
	},

	_subtract: function (point) {
		this.x -= point.x;
		this.y -= point.y;
		return this;
	},

	// @method divideBy(num: Number): Point
	// Returns the result of division of the current point by the given number.
	divideBy: function (num) {
		return this.clone()._divideBy(num);
	},

	_divideBy: function (num) {
		this.x /= num;
		this.y /= num;
		return this;
	},

	// @method multiplyBy(num: Number): Point
	// Returns the result of multiplication of the current point by the given number.
	multiplyBy: function (num) {
		return this.clone()._multiplyBy(num);
	},

	_multiplyBy: function (num) {
		this.x *= num;
		this.y *= num;
		return this;
	},

	// @method scaleBy(scale: Point): Point
	// Multiply each coordinate of the current point by each coordinate of
	// `scale`. In linear algebra terms, multiply the point by the
	// [scaling matrix](https://en.wikipedia.org/wiki/Scaling_%28geometry%29#Matrix_representation)
	// defined by `scale`.
	scaleBy: function (point) {
		return new L.Point(this.x * point.x, this.y * point.y);
	},

	// @method unscaleBy(scale: Point): Point
	// Inverse of `scaleBy`. Divide each coordinate of the current point by
	// each coordinate of `scale`.
	unscaleBy: function (point) {
		return new L.Point(this.x / point.x, this.y / point.y);
	},

	// @method round(): Point
	// Returns a copy of the current point with rounded coordinates.
	round: function () {
		return this.clone()._round();
	},

	_round: function () {
		this.x = Math.round(this.x);
		this.y = Math.round(this.y);
		return this;
	},

	// @method floor(): Point
	// Returns a copy of the current point with floored coordinates (rounded down).
	floor: function () {
		return this.clone()._floor();
	},

	_floor: function () {
		this.x = Math.floor(this.x);
		this.y = Math.floor(this.y);
		return this;
	},

	// @method ceil(): Point
	// Returns a copy of the current point with ceiled coordinates (rounded up).
	ceil: function () {
		return this.clone()._ceil();
	},

	_ceil: function () {
		this.x = Math.ceil(this.x);
		this.y = Math.ceil(this.y);
		return this;
	},

	// @method distanceTo(otherPoint: Point): Number
	// Returns the cartesian distance between the current and the given points.
	distanceTo: function (point) {
		point = L.point(point);

		var x = point.x - this.x,
		    y = point.y - this.y;

		return Math.sqrt(x * x + y * y);
	},

	// @method equals(otherPoint: Point): Boolean
	// Returns `true` if the given point has the same coordinates.
	equals: function (point) {
		point = L.point(point);

		return point.x === this.x &&
		       point.y === this.y;
	},

	// @method contains(otherPoint: Point): Boolean
	// Returns `true` if both coordinates of the given point are less than the corresponding current point coordinates (in absolute values).
	contains: function (point) {
		point = L.point(point);

		return Math.abs(point.x) <= Math.abs(this.x) &&
		       Math.abs(point.y) <= Math.abs(this.y);
	},

	// @method toString(): String
	// Returns a string representation of the point for debugging purposes.
	toString: function () {
		return 'Point(' +
		        L.Util.formatNum(this.x) + ', ' +
		        L.Util.formatNum(this.y) + ')';
	}
};

// @factory L.point(x: Number, y: Number, round?: Boolean)
// Creates a Point object with the given `x` and `y` coordinates. If optional `round` is set to true, rounds the `x` and `y` values.

// @alternative
// @factory L.point(coords: Number[])
// Expects an array of the form `[x, y]` instead.

// @alternative
// @factory L.point(coords: Object)
// Expects a plain object of the form `{x: Number, y: Number}` instead.
L.point = function (x, y, round) {
	if (x instanceof L.Point) {
		return x;
	}
	if (L.Util.isArray(x)) {
		return new L.Point(x[0], x[1]);
	}
	if (x === undefined || x === null) {
		return x;
	}
	if (typeof x === 'object' && 'x' in x && 'y' in x) {
		return new L.Point(x.x, x.y);
	}
	return new L.Point(x, y, round);
};



/*
 * @class Bounds
 * @aka L.Bounds
 *
 * Represents a rectangular area in pixel coordinates.
 *
 * @example
 *
 * ```js
 * var p1 = L.point(10, 10),
 * p2 = L.point(40, 60),
 * bounds = L.bounds(p1, p2);
 * ```
 *
 * All Leaflet methods that accept `Bounds` objects also accept them in a simple Array form (unless noted otherwise), so the bounds example above can be passed like this:
 *
 * ```js
 * otherBounds.intersects([[10, 10], [40, 60]]);
 * ```
 */

L.Bounds = function (a, b) {
	if (!a) { return; }

	var points = b ? [a, b] : a;

	for (var i = 0, len = points.length; i < len; i++) {
		this.extend(points[i]);
	}
};

L.Bounds.prototype = {
	// @method extend(point: Point): this
	// Extends the bounds to contain the given point.
	extend: function (point) { // (Point)
		point = L.point(point);

		// @property min: Point
		// The top left corner of the rectangle.
		// @property max: Point
		// The bottom right corner of the rectangle.
		if (!this.min && !this.max) {
			this.min = point.clone();
			this.max = point.clone();
		} else {
			this.min.x = Math.min(point.x, this.min.x);
			this.max.x = Math.max(point.x, this.max.x);
			this.min.y = Math.min(point.y, this.min.y);
			this.max.y = Math.max(point.y, this.max.y);
		}
		return this;
	},

	// @method getCenter(round?: Boolean): Point
	// Returns the center point of the bounds.
	getCenter: function (round) {
		return new L.Point(
		        (this.min.x + this.max.x) / 2,
		        (this.min.y + this.max.y) / 2, round);
	},

	// @method getBottomLeft(): Point
	// Returns the bottom-left point of the bounds.
	getBottomLeft: function () {
		return new L.Point(this.min.x, this.max.y);
	},

	// @method getTopRight(): Point
	// Returns the top-right point of the bounds.
	getTopRight: function () { // -> Point
		return new L.Point(this.max.x, this.min.y);
	},

	// @method getSize(): Point
	// Returns the size of the given bounds
	getSize: function () {
		return this.max.subtract(this.min);
	},

	// @method contains(otherBounds: Bounds): Boolean
	// Returns `true` if the rectangle contains the given one.
	// @alternative
	// @method contains(point: Point): Boolean
	// Returns `true` if the rectangle contains the given point.
	contains: function (obj) {
		var min, max;

		if (typeof obj[0] === 'number' || obj instanceof L.Point) {
			obj = L.point(obj);
		} else {
			obj = L.bounds(obj);
		}

		if (obj instanceof L.Bounds) {
			min = obj.min;
			max = obj.max;
		} else {
			min = max = obj;
		}

		return (min.x >= this.min.x) &&
		       (max.x <= this.max.x) &&
		       (min.y >= this.min.y) &&
		       (max.y <= this.max.y);
	},

	// @method intersects(otherBounds: Bounds): Boolean
	// Returns `true` if the rectangle intersects the given bounds. Two bounds
	// intersect if they have at least one point in common.
	intersects: function (bounds) { // (Bounds) -> Boolean
		bounds = L.bounds(bounds);

		var min = this.min,
		    max = this.max,
		    min2 = bounds.min,
		    max2 = bounds.max,
		    xIntersects = (max2.x >= min.x) && (min2.x <= max.x),
		    yIntersects = (max2.y >= min.y) && (min2.y <= max.y);

		return xIntersects && yIntersects;
	},

	// @method overlaps(otherBounds: Bounds): Boolean
	// Returns `true` if the rectangle overlaps the given bounds. Two bounds
	// overlap if their intersection is an area.
	overlaps: function (bounds) { // (Bounds) -> Boolean
		bounds = L.bounds(bounds);

		var min = this.min,
		    max = this.max,
		    min2 = bounds.min,
		    max2 = bounds.max,
		    xOverlaps = (max2.x > min.x) && (min2.x < max.x),
		    yOverlaps = (max2.y > min.y) && (min2.y < max.y);

		return xOverlaps && yOverlaps;
	},

	isValid: function () {
		return !!(this.min && this.max);
	}
};


// @factory L.bounds(topLeft: Point, bottomRight: Point)
// Creates a Bounds object from two coordinates (usually top-left and bottom-right corners).
// @alternative
// @factory L.bounds(points: Point[])
// Creates a Bounds object from the points it contains
L.bounds = function (a, b) {
	if (!a || a instanceof L.Bounds) {
		return a;
	}
	return new L.Bounds(a, b);
};



/*
 * @class Transformation
 * @aka L.Transformation
 *
 * Represents an affine transformation: a set of coefficients `a`, `b`, `c`, `d`
 * for transforming a point of a form `(x, y)` into `(a*x + b, c*y + d)` and doing
 * the reverse. Used by Leaflet in its projections code.
 *
 * @example
 *
 * ```js
 * var transformation = new L.Transformation(2, 5, -1, 10),
 * 	p = L.point(1, 2),
 * 	p2 = transformation.transform(p), //  L.point(7, 8)
 * 	p3 = transformation.untransform(p2); //  L.point(1, 2)
 * ```
 */


// factory new L.Transformation(a: Number, b: Number, c: Number, d: Number)
// Creates a `Transformation` object with the given coefficients.
L.Transformation = function (a, b, c, d) {
	this._a = a;
	this._b = b;
	this._c = c;
	this._d = d;
};

L.Transformation.prototype = {
	// @method transform(point: Point, scale?: Number): Point
	// Returns a transformed point, optionally multiplied by the given scale.
	// Only accepts real `L.Point` instances, not arrays.
	transform: function (point, scale) { // (Point, Number) -> Point
		return this._transform(point.clone(), scale);
	},

	// destructive transform (faster)
	_transform: function (point, scale) {
		scale = scale || 1;
		point.x = scale * (this._a * point.x + this._b);
		point.y = scale * (this._c * point.y + this._d);
		return point;
	},

	// @method untransform(point: Point, scale?: Number): Point
	// Returns the reverse transformation of the given point, optionally divided
	// by the given scale. Only accepts real `L.Point` instances, not arrays.
	untransform: function (point, scale) {
		scale = scale || 1;
		return new L.Point(
		        (point.x / scale - this._b) / this._a,
		        (point.y / scale - this._d) / this._c);
	}
};



/*
 * @namespace DomUtil
 *
 * Utility functions to work with the [DOM](https://developer.mozilla.org/docs/Web/API/Document_Object_Model)
 * tree, used by Leaflet internally.
 *
 * Most functions expecting or returning a `HTMLElement` also work for
 * SVG elements. The only difference is that classes refer to CSS classes
 * in HTML and SVG classes in SVG.
 */

L.DomUtil = {

	// @function get(id: String|HTMLElement): HTMLElement
	// Returns an element given its DOM id, or returns the element itself
	// if it was passed directly.
	get: function (id) {
		return typeof id === 'string' ? document.getElementById(id) : id;
	},

	// @function getStyle(el: HTMLElement, styleAttrib: String): String
	// Returns the value for a certain style attribute on an element,
	// including computed values or values set through CSS.
	getStyle: function (el, style) {

		var value = el.style[style] || (el.currentStyle && el.currentStyle[style]);

		if ((!value || value === 'auto') && document.defaultView) {
			var css = document.defaultView.getComputedStyle(el, null);
			value = css ? css[style] : null;
		}

		return value === 'auto' ? null : value;
	},

	// @function create(tagName: String, className?: String, container?: HTMLElement): HTMLElement
	// Creates an HTML element with `tagName`, sets its class to `className`, and optionally appends it to `container` element.
	create: function (tagName, className, container) {

		var el = document.createElement(tagName);
		el.className = className || '';

		if (container) {
			container.appendChild(el);
		}

		return el;
	},

	// @function remove(el: HTMLElement)
	// Removes `el` from its parent element
	remove: function (el) {
		var parent = el.parentNode;
		if (parent) {
			parent.removeChild(el);
		}
	},

	// @function empty(el: HTMLElement)
	// Removes all of `el`'s children elements from `el`
	empty: function (el) {
		while (el.firstChild) {
			el.removeChild(el.firstChild);
		}
	},

	// @function toFront(el: HTMLElement)
	// Makes `el` the last children of its parent, so it renders in front of the other children.
	toFront: function (el) {
		el.parentNode.appendChild(el);
	},

	// @function toBack(el: HTMLElement)
	// Makes `el` the first children of its parent, so it renders back from the other children.
	toBack: function (el) {
		var parent = el.parentNode;
		parent.insertBefore(el, parent.firstChild);
	},

	// @function hasClass(el: HTMLElement, name: String): Boolean
	// Returns `true` if the element's class attribute contains `name`.
	hasClass: function (el, name) {
		if (el.classList !== undefined) {
			return el.classList.contains(name);
		}
		var className = L.DomUtil.getClass(el);
		return className.length > 0 && new RegExp('(^|\\s)' + name + '(\\s|$)').test(className);
	},

	// @function addClass(el: HTMLElement, name: String)
	// Adds `name` to the element's class attribute.
	addClass: function (el, name) {
		if (el.classList !== undefined) {
			var classes = L.Util.splitWords(name);
			for (var i = 0, len = classes.length; i < len; i++) {
				el.classList.add(classes[i]);
			}
		} else if (!L.DomUtil.hasClass(el, name)) {
			var className = L.DomUtil.getClass(el);
			L.DomUtil.setClass(el, (className ? className + ' ' : '') + name);
		}
	},

	// @function removeClass(el: HTMLElement, name: String)
	// Removes `name` from the element's class attribute.
	removeClass: function (el, name) {
		if (el.classList !== undefined) {
			el.classList.remove(name);
		} else {
			L.DomUtil.setClass(el, L.Util.trim((' ' + L.DomUtil.getClass(el) + ' ').replace(' ' + name + ' ', ' ')));
		}
	},

	// @function setClass(el: HTMLElement, name: String)
	// Sets the element's class.
	setClass: function (el, name) {
		if (el.className.baseVal === undefined) {
			el.className = name;
		} else {
			// in case of SVG element
			el.className.baseVal = name;
		}
	},

	// @function getClass(el: HTMLElement): String
	// Returns the element's class.
	getClass: function (el) {
		return el.className.baseVal === undefined ? el.className : el.className.baseVal;
	},

	// @function setOpacity(el: HTMLElement, opacity: Number)
	// Set the opacity of an element (including old IE support).
	// `opacity` must be a number from `0` to `1`.
	setOpacity: function (el, value) {

		if ('opacity' in el.style) {
			el.style.opacity = value;

		} else if ('filter' in el.style) {
			L.DomUtil._setOpacityIE(el, value);
		}
	},

	_setOpacityIE: function (el, value) {
		var filter = false,
		    filterName = 'DXImageTransform.Microsoft.Alpha';

		// filters collection throws an error if we try to retrieve a filter that doesn't exist
		try {
			filter = el.filters.item(filterName);
		} catch (e) {
			// don't set opacity to 1 if we haven't already set an opacity,
			// it isn't needed and breaks transparent pngs.
			if (value === 1) { return; }
		}

		value = Math.round(value * 100);

		if (filter) {
			filter.Enabled = (value !== 100);
			filter.Opacity = value;
		} else {
			el.style.filter += ' progid:' + filterName + '(opacity=' + value + ')';
		}
	},

	// @function testProp(props: String[]): String|false
	// Goes through the array of style names and returns the first name
	// that is a valid style name for an element. If no such name is found,
	// it returns false. Useful for vendor-prefixed styles like `transform`.
	testProp: function (props) {

		var style = document.documentElement.style;

		for (var i = 0; i < props.length; i++) {
			if (props[i] in style) {
				return props[i];
			}
		}
		return false;
	},

	// @function setTransform(el: HTMLElement, offset: Point, scale?: Number)
	// Resets the 3D CSS transform of `el` so it is translated by `offset` pixels
	// and optionally scaled by `scale`. Does not have an effect if the
	// browser doesn't support 3D CSS transforms.
	setTransform: function (el, offset, scale) {
		var pos = offset || new L.Point(0, 0);

		el.style[L.DomUtil.TRANSFORM] =
			(L.Browser.ie3d ?
				'translate(' + pos.x + 'px,' + pos.y + 'px)' :
				'translate3d(' + pos.x + 'px,' + pos.y + 'px,0)') +
			(scale ? ' scale(' + scale + ')' : '');
	},

	// @function setPosition(el: HTMLElement, position: Point)
	// Sets the position of `el` to coordinates specified by `position`,
	// using CSS translate or top/left positioning depending on the browser
	// (used by Leaflet internally to position its layers).
	setPosition: function (el, point) { // (HTMLElement, Point[, Boolean])

		/*eslint-disable */
		el._leaflet_pos = point;
		/*eslint-enable */

		if (L.Browser.any3d) {
			L.DomUtil.setTransform(el, point);
		} else {
			el.style.left = point.x + 'px';
			el.style.top = point.y + 'px';
		}
	},

	// @function getPosition(el: HTMLElement): Point
	// Returns the coordinates of an element previously positioned with setPosition.
	getPosition: function (el) {
		// this method is only used for elements previously positioned using setPosition,
		// so it's safe to cache the position for performance

		return el._leaflet_pos || new L.Point(0, 0);
	}
};


(function () {
	// prefix style property names

	// @property TRANSFORM: String
	// Vendor-prefixed fransform style name (e.g. `'webkitTransform'` for WebKit).
	L.DomUtil.TRANSFORM = L.DomUtil.testProp(
			['transform', 'WebkitTransform', 'OTransform', 'MozTransform', 'msTransform']);


	// webkitTransition comes first because some browser versions that drop vendor prefix don't do
	// the same for the transitionend event, in particular the Android 4.1 stock browser

	// @property TRANSITION: String
	// Vendor-prefixed transform style name.
	var transition = L.DomUtil.TRANSITION = L.DomUtil.testProp(
			['webkitTransition', 'transition', 'OTransition', 'MozTransition', 'msTransition']);

	L.DomUtil.TRANSITION_END =
			transition === 'webkitTransition' || transition === 'OTransition' ? transition + 'End' : 'transitionend';

	// @function disableTextSelection()
	// Prevents the user from generating `selectstart` DOM events, usually generated
	// when the user drags the mouse through a page with text. Used internally
	// by Leaflet to override the behaviour of any click-and-drag interaction on
	// the map. Affects drag interactions on the whole document.

	// @function enableTextSelection()
	// Cancels the effects of a previous [`L.DomUtil.disableTextSelection`](#domutil-disabletextselection).
	if ('onselectstart' in document) {
		L.DomUtil.disableTextSelection = function () {
			L.DomEvent.on(window, 'selectstart', L.DomEvent.preventDefault);
		};
		L.DomUtil.enableTextSelection = function () {
			L.DomEvent.off(window, 'selectstart', L.DomEvent.preventDefault);
		};

	} else {
		var userSelectProperty = L.DomUtil.testProp(
			['userSelect', 'WebkitUserSelect', 'OUserSelect', 'MozUserSelect', 'msUserSelect']);

		L.DomUtil.disableTextSelection = function () {
			if (userSelectProperty) {
				var style = document.documentElement.style;
				this._userSelect = style[userSelectProperty];
				style[userSelectProperty] = 'none';
			}
		};
		L.DomUtil.enableTextSelection = function () {
			if (userSelectProperty) {
				document.documentElement.style[userSelectProperty] = this._userSelect;
				delete this._userSelect;
			}
		};
	}

	// @function disableImageDrag()
	// As [`L.DomUtil.disableTextSelection`](#domutil-disabletextselection), but
	// for `dragstart` DOM events, usually generated when the user drags an image.
	L.DomUtil.disableImageDrag = function () {
		L.DomEvent.on(window, 'dragstart', L.DomEvent.preventDefault);
	};

	// @function enableImageDrag()
	// Cancels the effects of a previous [`L.DomUtil.disableImageDrag`](#domutil-disabletextselection).
	L.DomUtil.enableImageDrag = function () {
		L.DomEvent.off(window, 'dragstart', L.DomEvent.preventDefault);
	};

	// @function preventOutline(el: HTMLElement)
	// Makes the [outline](https://developer.mozilla.org/docs/Web/CSS/outline)
	// of the element `el` invisible. Used internally by Leaflet to prevent
	// focusable elements from displaying an outline when the user performs a
	// drag interaction on them.
	L.DomUtil.preventOutline = function (element) {
		while (element.tabIndex === -1) {
			element = element.parentNode;
		}
		if (!element || !element.style) { return; }
		L.DomUtil.restoreOutline();
		this._outlineElement = element;
		this._outlineStyle = element.style.outline;
		element.style.outline = 'none';
		L.DomEvent.on(window, 'keydown', L.DomUtil.restoreOutline, this);
	};

	// @function restoreOutline()
	// Cancels the effects of a previous [`L.DomUtil.preventOutline`]().
	L.DomUtil.restoreOutline = function () {
		if (!this._outlineElement) { return; }
		this._outlineElement.style.outline = this._outlineStyle;
		delete this._outlineElement;
		delete this._outlineStyle;
		L.DomEvent.off(window, 'keydown', L.DomUtil.restoreOutline, this);
	};
})();



/* @class LatLng
 * @aka L.LatLng
 *
 * Represents a geographical point with a certain latitude and longitude.
 *
 * @example
 *
 * ```
 * var latlng = L.latLng(50.5, 30.5);
 * ```
 *
 * All Leaflet methods that accept LatLng objects also accept them in a simple Array form and simple object form (unless noted otherwise), so these lines are equivalent:
 *
 * ```
 * map.panTo([50, 30]);
 * map.panTo({lon: 30, lat: 50});
 * map.panTo({lat: 50, lng: 30});
 * map.panTo(L.latLng(50, 30));
 * ```
 */

L.LatLng = function (lat, lng, alt) {
	if (isNaN(lat) || isNaN(lng)) {
		throw new Error('Invalid LatLng object: (' + lat + ', ' + lng + ')');
	}

	// @property lat: Number
	// Latitude in degrees
	this.lat = +lat;

	// @property lng: Number
	// Longitude in degrees
	this.lng = +lng;

	// @property alt: Number
	// Altitude in meters (optional)
	if (alt !== undefined) {
		this.alt = +alt;
	}
};

L.LatLng.prototype = {
	// @method equals(otherLatLng: LatLng, maxMargin?: Number): Boolean
	// Returns `true` if the given `LatLng` point is at the same position (within a small margin of error). The margin of error can be overriden by setting `maxMargin` to a small number.
	equals: function (obj, maxMargin) {
		if (!obj) { return false; }

		obj = L.latLng(obj);

		var margin = Math.max(
		        Math.abs(this.lat - obj.lat),
		        Math.abs(this.lng - obj.lng));

		return margin <= (maxMargin === undefined ? 1.0E-9 : maxMargin);
	},

	// @method toString(): String
	// Returns a string representation of the point (for debugging purposes).
	toString: function (precision) {
		return 'LatLng(' +
		        L.Util.formatNum(this.lat, precision) + ', ' +
		        L.Util.formatNum(this.lng, precision) + ')';
	},

	// @method distanceTo(otherLatLng: LatLng): Number
	// Returns the distance (in meters) to the given `LatLng` calculated using the [Haversine formula](http://en.wikipedia.org/wiki/Haversine_formula).
	distanceTo: function (other) {
		return L.CRS.Earth.distance(this, L.latLng(other));
	},

	// @method wrap(): LatLng
	// Returns a new `LatLng` object with the longitude wrapped so it's always between -180 and +180 degrees.
	wrap: function () {
		return L.CRS.Earth.wrapLatLng(this);
	},

	// @method toBounds(sizeInMeters: Number): LatLngBounds
	// Returns a new `LatLngBounds` object in which each boundary is `sizeInMeters` meters apart from the `LatLng`.
	toBounds: function (sizeInMeters) {
		var latAccuracy = 180 * sizeInMeters / 40075017,
		    lngAccuracy = latAccuracy / Math.cos((Math.PI / 180) * this.lat);

		return L.latLngBounds(
		        [this.lat - latAccuracy, this.lng - lngAccuracy],
		        [this.lat + latAccuracy, this.lng + lngAccuracy]);
	},

	clone: function () {
		return new L.LatLng(this.lat, this.lng, this.alt);
	}
};



// @factory L.latLng(latitude: Number, longitude: Number, altitude?: Number): LatLng
// Creates an object representing a geographical point with the given latitude and longitude (and optionally altitude).

// @alternative
// @factory L.latLng(coords: Array): LatLng
// Expects an array of the form `[Number, Number]` or `[Number, Number, Number]` instead.

// @alternative
// @factory L.latLng(coords: Object): LatLng
// Expects an plain object of the form `{lat: Number, lng: Number}` or `{lat: Number, lng: Number, alt: Number}` instead.

L.latLng = function (a, b, c) {
	if (a instanceof L.LatLng) {
		return a;
	}
	if (L.Util.isArray(a) && typeof a[0] !== 'object') {
		if (a.length === 3) {
			return new L.LatLng(a[0], a[1], a[2]);
		}
		if (a.length === 2) {
			return new L.LatLng(a[0], a[1]);
		}
		return null;
	}
	if (a === undefined || a === null) {
		return a;
	}
	if (typeof a === 'object' && 'lat' in a) {
		return new L.LatLng(a.lat, 'lng' in a ? a.lng : a.lon, a.alt);
	}
	if (b === undefined) {
		return null;
	}
	return new L.LatLng(a, b, c);
};



/*
 * @class LatLngBounds
 * @aka L.LatLngBounds
 *
 * Represents a rectangular geographical area on a map.
 *
 * @example
 *
 * ```js
 * var southWest = L.latLng(40.712, -74.227),
 * northEast = L.latLng(40.774, -74.125),
 * bounds = L.latLngBounds(southWest, northEast);
 * ```
 *
 * All Leaflet methods that accept LatLngBounds objects also accept them in a simple Array form (unless noted otherwise), so the bounds example above can be passed like this:
 *
 * ```js
 * map.fitBounds([
 * 	[40.712, -74.227],
 * 	[40.774, -74.125]
 * ]);
 * ```
 */

L.LatLngBounds = function (southWest, northEast) { // (LatLng, LatLng) or (LatLng[])
	if (!southWest) { return; }

	var latlngs = northEast ? [southWest, northEast] : southWest;

	for (var i = 0, len = latlngs.length; i < len; i++) {
		this.extend(latlngs[i]);
	}
};

L.LatLngBounds.prototype = {

	// @method extend(latlng: LatLng): this
	// Extend the bounds to contain the given point

	// @alternative
	// @method extend(otherBounds: LatLngBounds): this
	// Extend the bounds to contain the given bounds
	extend: function (obj) {
		var sw = this._southWest,
		    ne = this._northEast,
		    sw2, ne2;

		if (obj instanceof L.LatLng) {
			sw2 = obj;
			ne2 = obj;

		} else if (obj instanceof L.LatLngBounds) {
			sw2 = obj._southWest;
			ne2 = obj._northEast;

			if (!sw2 || !ne2) { return this; }

		} else {
			return obj ? this.extend(L.latLng(obj) || L.latLngBounds(obj)) : this;
		}

		if (!sw && !ne) {
			this._southWest = new L.LatLng(sw2.lat, sw2.lng);
			this._northEast = new L.LatLng(ne2.lat, ne2.lng);
		} else {
			sw.lat = Math.min(sw2.lat, sw.lat);
			sw.lng = Math.min(sw2.lng, sw.lng);
			ne.lat = Math.max(ne2.lat, ne.lat);
			ne.lng = Math.max(ne2.lng, ne.lng);
		}

		return this;
	},

	// @method pad(bufferRatio: Number): LatLngBounds
	// Returns bigger bounds created by extending the current bounds by a given percentage in each direction.
	pad: function (bufferRatio) {
		var sw = this._southWest,
		    ne = this._northEast,
		    heightBuffer = Math.abs(sw.lat - ne.lat) * bufferRatio,
		    widthBuffer = Math.abs(sw.lng - ne.lng) * bufferRatio;

		return new L.LatLngBounds(
		        new L.LatLng(sw.lat - heightBuffer, sw.lng - widthBuffer),
		        new L.LatLng(ne.lat + heightBuffer, ne.lng + widthBuffer));
	},

	// @method getCenter(): LatLng
	// Returns the center point of the bounds.
	getCenter: function () {
		return new L.LatLng(
		        (this._southWest.lat + this._northEast.lat) / 2,
		        (this._southWest.lng + this._northEast.lng) / 2);
	},

	// @method getSouthWest(): LatLng
	// Returns the south-west point of the bounds.
	getSouthWest: function () {
		return this._southWest;
	},

	// @method getNorthEast(): LatLng
	// Returns the north-east point of the bounds.
	getNorthEast: function () {
		return this._northEast;
	},

	// @method getNorthWest(): LatLng
	// Returns the north-west point of the bounds.
	getNorthWest: function () {
		return new L.LatLng(this.getNorth(), this.getWest());
	},

	// @method getSouthEast(): LatLng
	// Returns the south-east point of the bounds.
	getSouthEast: function () {
		return new L.LatLng(this.getSouth(), this.getEast());
	},

	// @method getWest(): Number
	// Returns the west longitude of the bounds
	getWest: function () {
		return this._southWest.lng;
	},

	// @method getSouth(): Number
	// Returns the south latitude of the bounds
	getSouth: function () {
		return this._southWest.lat;
	},

	// @method getEast(): Number
	// Returns the east longitude of the bounds
	getEast: function () {
		return this._northEast.lng;
	},

	// @method getNorth(): Number
	// Returns the north latitude of the bounds
	getNorth: function () {
		return this._northEast.lat;
	},

	// @method contains(otherBounds: LatLngBounds): Boolean
	// Returns `true` if the rectangle contains the given one.

	// @alternative
	// @method contains (latlng: LatLng): Boolean
	// Returns `true` if the rectangle contains the given point.
	contains: function (obj) { // (LatLngBounds) or (LatLng) -> Boolean
		if (typeof obj[0] === 'number' || obj instanceof L.LatLng) {
			obj = L.latLng(obj);
		} else {
			obj = L.latLngBounds(obj);
		}

		var sw = this._southWest,
		    ne = this._northEast,
		    sw2, ne2;

		if (obj instanceof L.LatLngBounds) {
			sw2 = obj.getSouthWest();
			ne2 = obj.getNorthEast();
		} else {
			sw2 = ne2 = obj;
		}

		return (sw2.lat >= sw.lat) && (ne2.lat <= ne.lat) &&
		       (sw2.lng >= sw.lng) && (ne2.lng <= ne.lng);
	},

	// @method intersects(otherBounds: LatLngBounds): Boolean
	// Returns `true` if the rectangle intersects the given bounds. Two bounds intersect if they have at least one point in common.
	intersects: function (bounds) {
		bounds = L.latLngBounds(bounds);

		var sw = this._southWest,
		    ne = this._northEast,
		    sw2 = bounds.getSouthWest(),
		    ne2 = bounds.getNorthEast(),

		    latIntersects = (ne2.lat >= sw.lat) && (sw2.lat <= ne.lat),
		    lngIntersects = (ne2.lng >= sw.lng) && (sw2.lng <= ne.lng);

		return latIntersects && lngIntersects;
	},

	// @method overlaps(otherBounds: Bounds): Boolean
	// Returns `true` if the rectangle overlaps the given bounds. Two bounds overlap if their intersection is an area.
	overlaps: function (bounds) {
		bounds = L.latLngBounds(bounds);

		var sw = this._southWest,
		    ne = this._northEast,
		    sw2 = bounds.getSouthWest(),
		    ne2 = bounds.getNorthEast(),

		    latOverlaps = (ne2.lat > sw.lat) && (sw2.lat < ne.lat),
		    lngOverlaps = (ne2.lng > sw.lng) && (sw2.lng < ne.lng);

		return latOverlaps && lngOverlaps;
	},

	// @method toBBoxString(): String
	// Returns a string with bounding box coordinates in a 'southwest_lng,southwest_lat,northeast_lng,northeast_lat' format. Useful for sending requests to web services that return geo data.
	toBBoxString: function () {
		return [this.getWest(), this.getSouth(), this.getEast(), this.getNorth()].join(',');
	},

	// @method equals(otherBounds: LatLngBounds): Boolean
	// Returns `true` if the rectangle is equivalent (within a small margin of error) to the given bounds.
	equals: function (bounds) {
		if (!bounds) { return false; }

		bounds = L.latLngBounds(bounds);

		return this._southWest.equals(bounds.getSouthWest()) &&
		       this._northEast.equals(bounds.getNorthEast());
	},

	// @method isValid(): Boolean
	// Returns `true` if the bounds are properly initialized.
	isValid: function () {
		return !!(this._southWest && this._northEast);
	}
};

// TODO International date line?

// @factory L.latLngBounds(southWest: LatLng, northEast: LatLng)
// Creates a `LatLngBounds` object by defining south-west and north-east corners of the rectangle.

// @alternative
// @factory L.latLngBounds(latlngs: LatLng[])
// Creates a `LatLngBounds` object defined by the geographical points it contains. Very useful for zooming the map to fit a particular set of locations with [`fitBounds`](#map-fitbounds).
L.latLngBounds = function (a, b) {
	if (a instanceof L.LatLngBounds) {
		return a;
	}
	return new L.LatLngBounds(a, b);
};



/*
 * @namespace Projection
 * @section
 * Leaflet comes with a set of already defined Projections out of the box:
 *
 * @projection L.Projection.LonLat
 *
 * Equirectangular, or Plate Carree projection — the most simple projection,
 * mostly used by GIS enthusiasts. Directly maps `x` as longitude, and `y` as
 * latitude. Also suitable for flat worlds, e.g. game maps. Used by the
 * `EPSG:3395` and `Simple` CRS.
 */

L.Projection = {};

L.Projection.LonLat = {
	project: function (latlng) {
		return new L.Point(latlng.lng, latlng.lat);
	},

	unproject: function (point) {
		return new L.LatLng(point.y, point.x);
	},

	bounds: L.bounds([-180, -90], [180, 90])
};



/*
 * @namespace Projection
 * @projection L.Projection.SphericalMercator
 *
 * Spherical Mercator projection — the most common projection for online maps,
 * used by almost all free and commercial tile providers. Assumes that Earth is
 * a sphere. Used by the `EPSG:3857` CRS.
 */

L.Projection.SphericalMercator = {

	R: 6378137,
	MAX_LATITUDE: 85.0511287798,

	project: function (latlng) {
		var d = Math.PI / 180,
		    max = this.MAX_LATITUDE,
		    lat = Math.max(Math.min(max, latlng.lat), -max),
		    sin = Math.sin(lat * d);

		return new L.Point(
				this.R * latlng.lng * d,
				this.R * Math.log((1 + sin) / (1 - sin)) / 2);
	},

	unproject: function (point) {
		var d = 180 / Math.PI;

		return new L.LatLng(
			(2 * Math.atan(Math.exp(point.y / this.R)) - (Math.PI / 2)) * d,
			point.x * d / this.R);
	},

	bounds: (function () {
		var d = 6378137 * Math.PI;
		return L.bounds([-d, -d], [d, d]);
	})()
};



/*
 * @class CRS
 * @aka L.CRS
 * Abstract class that defines coordinate reference systems for projecting
 * geographical points into pixel (screen) coordinates and back (and to
 * coordinates in other units for [WMS](https://en.wikipedia.org/wiki/Web_Map_Service) services). See
 * [spatial reference system](http://en.wikipedia.org/wiki/Coordinate_reference_system).
 *
 * Leaflet defines the most usual CRSs by default. If you want to use a
 * CRS not defined by default, take a look at the
 * [Proj4Leaflet](https://github.com/kartena/Proj4Leaflet) plugin.
 */

L.CRS = {
	// @method latLngToPoint(latlng: LatLng, zoom: Number): Point
	// Projects geographical coordinates into pixel coordinates for a given zoom.
	latLngToPoint: function (latlng, zoom) {
		var projectedPoint = this.projection.project(latlng),
		    scale = this.scale(zoom);

		return this.transformation._transform(projectedPoint, scale);
	},

	// @method pointToLatLng(point: Point, zoom: Number): LatLng
	// The inverse of `latLngToPoint`. Projects pixel coordinates on a given
	// zoom into geographical coordinates.
	pointToLatLng: function (point, zoom) {
		var scale = this.scale(zoom),
		    untransformedPoint = this.transformation.untransform(point, scale);

		return this.projection.unproject(untransformedPoint);
	},

	// @method project(latlng: LatLng): Point
	// Projects geographical coordinates into coordinates in units accepted for
	// this CRS (e.g. meters for EPSG:3857, for passing it to WMS services).
	project: function (latlng) {
		return this.projection.project(latlng);
	},

	// @method unproject(point: Point): LatLng
	// Given a projected coordinate returns the corresponding LatLng.
	// The inverse of `project`.
	unproject: function (point) {
		return this.projection.unproject(point);
	},

	// @method scale(zoom: Number): Number
	// Returns the scale used when transforming projected coordinates into
	// pixel coordinates for a particular zoom. For example, it returns
	// `256 * 2^zoom` for Mercator-based CRS.
	scale: function (zoom) {
		return 256 * Math.pow(2, zoom);
	},

	// @method zoom(scale: Number): Number
	// Inverse of `scale()`, returns the zoom level corresponding to a scale
	// factor of `scale`.
	zoom: function (scale) {
		return Math.log(scale / 256) / Math.LN2;
	},

	// @method getProjectedBounds(zoom: Number): Bounds
	// Returns the projection's bounds scaled and transformed for the provided `zoom`.
	getProjectedBounds: function (zoom) {
		if (this.infinite) { return null; }

		var b = this.projection.bounds,
		    s = this.scale(zoom),
		    min = this.transformation.transform(b.min, s),
		    max = this.transformation.transform(b.max, s);

		return L.bounds(min, max);
	},

	// @method distance(latlng1: LatLng, latlng2: LatLng): Number
	// Returns the distance between two geographical coordinates.

	// @property code: String
	// Standard code name of the CRS passed into WMS services (e.g. `'EPSG:3857'`)
	//
	// @property wrapLng: Number[]
	// An array of two numbers defining whether the longitude (horizontal) coordinate
	// axis wraps around a given range and how. Defaults to `[-180, 180]` in most
	// geographical CRSs. If `undefined`, the longitude axis does not wrap around.
	//
	// @property wrapLat: Number[]
	// Like `wrapLng`, but for the latitude (vertical) axis.

	// wrapLng: [min, max],
	// wrapLat: [min, max],

	// @property infinite: Boolean
	// If true, the coordinate space will be unbounded (infinite in both axes)
	infinite: false,

	// @method wrapLatLng(latlng: LatLng): LatLng
	// Returns a `LatLng` where lat and lng has been wrapped according to the
	// CRS's `wrapLat` and `wrapLng` properties, if they are outside the CRS's bounds.
	wrapLatLng: function (latlng) {
		var lng = this.wrapLng ? L.Util.wrapNum(latlng.lng, this.wrapLng, true) : latlng.lng,
		    lat = this.wrapLat ? L.Util.wrapNum(latlng.lat, this.wrapLat, true) : latlng.lat,
		    alt = latlng.alt;

		return L.latLng(lat, lng, alt);
	}
};



/*
 * @namespace CRS
 * @crs L.CRS.Simple
 *
 * A simple CRS that maps longitude and latitude into `x` and `y` directly.
 * May be used for maps of flat surfaces (e.g. game maps). Note that the `y`
 * axis should still be inverted (going from bottom to top). `distance()` returns
 * simple euclidean distance.
 */

L.CRS.Simple = L.extend({}, L.CRS, {
	projection: L.Projection.LonLat,
	transformation: new L.Transformation(1, 0, -1, 0),

	scale: function (zoom) {
		return Math.pow(2, zoom);
	},

	zoom: function (scale) {
		return Math.log(scale) / Math.LN2;
	},

	distance: function (latlng1, latlng2) {
		var dx = latlng2.lng - latlng1.lng,
		    dy = latlng2.lat - latlng1.lat;

		return Math.sqrt(dx * dx + dy * dy);
	},

	infinite: true
});



/*
 * @namespace CRS
 * @crs L.CRS.Earth
 *
 * Serves as the base for CRS that are global such that they cover the earth.
 * Can only be used as the base for other CRS and cannot be used directly,
 * since it does not have a `code`, `projection` or `transformation`. `distance()` returns
 * meters.
 */

L.CRS.Earth = L.extend({}, L.CRS, {
	wrapLng: [-180, 180],

	// Mean Earth Radius, as recommended for use by
	// the International Union of Geodesy and Geophysics,
	// see http://rosettacode.org/wiki/Haversine_formula
	R: 6371000,

	// distance between two geographical points using spherical law of cosines approximation
	distance: function (latlng1, latlng2) {
		var rad = Math.PI / 180,
		    lat1 = latlng1.lat * rad,
		    lat2 = latlng2.lat * rad,
		    a = Math.sin(lat1) * Math.sin(lat2) +
		        Math.cos(lat1) * Math.cos(lat2) * Math.cos((latlng2.lng - latlng1.lng) * rad);

		return this.R * Math.acos(Math.min(a, 1));
	}
});



/*
 * @namespace CRS
 * @crs L.CRS.EPSG3857
 *
 * The most common CRS for online maps, used by almost all free and commercial
 * tile providers. Uses Spherical Mercator projection. Set in by default in
 * Map's `crs` option.
 */

L.CRS.EPSG3857 = L.extend({}, L.CRS.Earth, {
	code: 'EPSG:3857',
	projection: L.Projection.SphericalMercator,

	transformation: (function () {
		var scale = 0.5 / (Math.PI * L.Projection.SphericalMercator.R);
		return new L.Transformation(scale, 0.5, -scale, 0.5);
	}())
});

L.CRS.EPSG900913 = L.extend({}, L.CRS.EPSG3857, {
	code: 'EPSG:900913'
});



/*
 * @namespace CRS
 * @crs L.CRS.EPSG4326
 *
 * A common CRS among GIS enthusiasts. Uses simple Equirectangular projection.
 */

L.CRS.EPSG4326 = L.extend({}, L.CRS.Earth, {
	code: 'EPSG:4326',
	projection: L.Projection.LonLat,
	transformation: new L.Transformation(1 / 180, 1, -1 / 180, 0.5)
});



/*
 * @class Map
 * @aka L.Map
 * @inherits Evented
 *
 * The central class of the API — it is used to create a map on a page and manipulate it.
 *
 * @example
 *
 * ```js
 * // initialize the map on the "map" div with a given center and zoom
 * var map = L.map('map', {
 * 	center: [51.505, -0.09],
 * 	zoom: 13
 * });
 * ```
 *
 */

L.Map = L.Evented.extend({

	options: {
		// @section Map State Options
		// @option crs: CRS = L.CRS.EPSG3857
		// The [Coordinate Reference System](#crs) to use. Don't change this if you're not
		// sure what it means.
		crs: L.CRS.EPSG3857,

		// @option center: LatLng = undefined
		// Initial geographic center of the map
		center: undefined,

		// @option zoom: Number = undefined
		// Initial map zoom level
		zoom: undefined,

		// @option minZoom: Number = undefined
		// Minimum zoom level of the map. Overrides any `minZoom` option set on map layers.
		minZoom: undefined,

		// @option maxZoom: Number = undefined
		// Maximum zoom level of the map. Overrides any `maxZoom` option set on map layers.
		maxZoom: undefined,

		// @option layers: Layer[] = []
		// Array of layers that will be added to the map initially
		layers: [],

		// @option maxBounds: LatLngBounds = null
		// When this option is set, the map restricts the view to the given
		// geographical bounds, bouncing the user back when he tries to pan
		// outside the view. To set the restriction dynamically, use
		// [`setMaxBounds`](#map-setmaxbounds) method.
		maxBounds: undefined,

		// @option renderer: Renderer = *
		// The default method for drawing vector layers on the map. `L.SVG`
		// or `L.Canvas` by default depending on browser support.
		renderer: undefined,


		// @section Animation Options
		// @option fadeAnimation: Boolean = true
		// Whether the tile fade animation is enabled. By default it's enabled
		// in all browsers that support CSS3 Transitions except Android.
		fadeAnimation: true,

		// @option markerZoomAnimation: Boolean = true
		// Whether markers animate their zoom with the zoom animation, if disabled
		// they will disappear for the length of the animation. By default it's
		// enabled in all browsers that support CSS3 Transitions except Android.
		markerZoomAnimation: true,

		// @option transform3DLimit: Number = 2^23
		// Defines the maximum size of a CSS translation transform. The default
		// value should not be changed unless a web browser positions layers in
		// the wrong place after doing a large `panBy`.
		transform3DLimit: 8388608, // Precision limit of a 32-bit float

		// @section Interaction Options
		// @option zoomSnap: Number = 1
		// Forces the map's zoom level to always be a multiple of this, particularly
		// right after a [`fitBounds()`](#map-fitbounds) or a pinch-zoom.
		// By default, the zoom level snaps to the nearest integer; lower values
		// (e.g. `0.5` or `0.1`) allow for greater granularity. A value of `0`
		// means the zoom level will not be snapped after `fitBounds` or a pinch-zoom.
		zoomSnap: 1,

		// @option zoomDelta: Number = 1
		// Controls how much the map's zoom level will change after a
		// [`zoomIn()`](#map-zoomin), [`zoomOut()`](#map-zoomout), pressing `+`
		// or `-` on the keyboard, or using the [zoom controls](#control-zoom).
		// Values smaller than `1` (e.g. `0.5`) allow for greater granularity.
		zoomDelta: 1,

		// @option trackResize: Boolean = true
		// Whether the map automatically handles browser window resize to update itself.
		trackResize: true
	},

	initialize: function (id, options) { // (HTMLElement or String, Object)
		options = L.setOptions(this, options);

		this._initContainer(id);
		this._initLayout();

		// hack for https://github.com/Leaflet/Leaflet/issues/1980
		this._onResize = L.bind(this._onResize, this);

		this._initEvents();

		if (options.maxBounds) {
			this.setMaxBounds(options.maxBounds);
		}

		if (options.zoom !== undefined) {
			this._zoom = this._limitZoom(options.zoom);
		}

		if (options.center && options.zoom !== undefined) {
			this.setView(L.latLng(options.center), options.zoom, {reset: true});
		}

		this._handlers = [];
		this._layers = {};
		this._zoomBoundLayers = {};
		this._sizeChanged = true;

		this.callInitHooks();

		this._addLayers(this.options.layers);
	},


	// @section Methods for modifying map state

	// @method setView(center: LatLng, zoom: Number, options?: Zoom/pan options): this
	// Sets the view of the map (geographical center and zoom) with the given
	// animation options.
	setView: function (center, zoom) {
		// replaced by animation-powered implementation in Map.PanAnimation.js
		zoom = zoom === undefined ? this.getZoom() : zoom;
		this._resetView(L.latLng(center), zoom);
		return this;
	},

	// @method setZoom(zoom: Number, options: Zoom/pan options): this
	// Sets the zoom of the map.
	setZoom: function (zoom, options) {
		if (!this._loaded) {
			this._zoom = zoom;
			return this;
		}
		return this.setView(this.getCenter(), zoom, {zoom: options});
	},

	// @method zoomIn(delta?: Number, options?: Zoom options): this
	// Increases the zoom of the map by `delta` ([`zoomDelta`](#map-zoomdelta) by default).
	zoomIn: function (delta, options) {
		delta = delta || (L.Browser.any3d ? this.options.zoomDelta : 1);
		return this.setZoom(this._zoom + delta, options);
	},

	// @method zoomOut(delta?: Number, options?: Zoom options): this
	// Decreases the zoom of the map by `delta` ([`zoomDelta`](#map-zoomdelta) by default).
	zoomOut: function (delta, options) {
		delta = delta || (L.Browser.any3d ? this.options.zoomDelta : 1);
		return this.setZoom(this._zoom - delta, options);
	},

	// @method setZoomAround(latlng: LatLng, zoom: Number, options: Zoom options): this
	// Zooms the map while keeping a specified geographical point on the map
	// stationary (e.g. used internally for scroll zoom and double-click zoom).
	// @alternative
	// @method setZoomAround(offset: Point, zoom: Number, options: Zoom options): this
	// Zooms the map while keeping a specified pixel on the map (relative to the top-left corner) stationary.
	setZoomAround: function (latlng, zoom, options) {
		var scale = this.getZoomScale(zoom),
		    viewHalf = this.getSize().divideBy(2),
		    containerPoint = latlng instanceof L.Point ? latlng : this.latLngToContainerPoint(latlng),

		    centerOffset = containerPoint.subtract(viewHalf).multiplyBy(1 - 1 / scale),
		    newCenter = this.containerPointToLatLng(viewHalf.add(centerOffset));

		return this.setView(newCenter, zoom, {zoom: options});
	},

	_getBoundsCenterZoom: function (bounds, options) {

		options = options || {};
		bounds = bounds.getBounds ? bounds.getBounds() : L.latLngBounds(bounds);

		var paddingTL = L.point(options.paddingTopLeft || options.padding || [0, 0]),
		    paddingBR = L.point(options.paddingBottomRight || options.padding || [0, 0]),

		    zoom = this.getBoundsZoom(bounds, false, paddingTL.add(paddingBR));

		zoom = (typeof options.maxZoom === 'number') ? Math.min(options.maxZoom, zoom) : zoom;

		var paddingOffset = paddingBR.subtract(paddingTL).divideBy(2),

		    swPoint = this.project(bounds.getSouthWest(), zoom),
		    nePoint = this.project(bounds.getNorthEast(), zoom),
		    center = this.unproject(swPoint.add(nePoint).divideBy(2).add(paddingOffset), zoom);

		return {
			center: center,
			zoom: zoom
		};
	},

	// @method fitBounds(bounds: LatLngBounds, options: fitBounds options): this
	// Sets a map view that contains the given geographical bounds with the
	// maximum zoom level possible.
	fitBounds: function (bounds, options) {

		bounds = L.latLngBounds(bounds);

		if (!bounds.isValid()) {
			throw new Error('Bounds are not valid.');
		}

		var target = this._getBoundsCenterZoom(bounds, options);
		return this.setView(target.center, target.zoom, options);
	},

	// @method fitWorld(options?: fitBounds options): this
	// Sets a map view that mostly contains the whole world with the maximum
	// zoom level possible.
	fitWorld: function (options) {
		return this.fitBounds([[-90, -180], [90, 180]], options);
	},

	// @method panTo(latlng: LatLng, options?: Pan options): this
	// Pans the map to a given center.
	panTo: function (center, options) { // (LatLng)
		return this.setView(center, this._zoom, {pan: options});
	},

	// @method panBy(offset: Point): this
	// Pans the map by a given number of pixels (animated).
	panBy: function (offset) { // (Point)
		// replaced with animated panBy in Map.PanAnimation.js
		this.fire('movestart');

		this._rawPanBy(L.point(offset));

		this.fire('move');
		return this.fire('moveend');
	},

	// @method setMaxBounds(bounds: Bounds): this
	// Restricts the map view to the given bounds (see the [maxBounds](#map-maxbounds) option).
	setMaxBounds: function (bounds) {
		bounds = L.latLngBounds(bounds);

		if (!bounds.isValid()) {
			this.options.maxBounds = null;
			return this.off('moveend', this._panInsideMaxBounds);
		} else if (this.options.maxBounds) {
			this.off('moveend', this._panInsideMaxBounds);
		}

		this.options.maxBounds = bounds;

		if (this._loaded) {
			this._panInsideMaxBounds();
		}

		return this.on('moveend', this._panInsideMaxBounds);
	},

	// @method setMinZoom(zoom: Number): this
	// Sets the lower limit for the available zoom levels (see the [minZoom](#map-minzoom) option).
	setMinZoom: function (zoom) {
		this.options.minZoom = zoom;

		if (this._loaded && this.getZoom() < this.options.minZoom) {
			return this.setZoom(zoom);
		}

		return this;
	},

	// @method setMaxZoom(zoom: Number): this
	// Sets the upper limit for the available zoom levels (see the [maxZoom](#map-maxzoom) option).
	setMaxZoom: function (zoom) {
		this.options.maxZoom = zoom;

		if (this._loaded && (this.getZoom() > this.options.maxZoom)) {
			return this.setZoom(zoom);
		}

		return this;
	},

	// @method panInsideBounds(bounds: LatLngBounds, options?: Pan options): this
	// Pans the map to the closest view that would lie inside the given bounds (if it's not already), controlling the animation using the options specific, if any.
	panInsideBounds: function (bounds, options) {
		this._enforcingBounds = true;
		var center = this.getCenter(),
		    newCenter = this._limitCenter(center, this._zoom, L.latLngBounds(bounds));

		if (!center.equals(newCenter)) {
			this.panTo(newCenter, options);
		}

		this._enforcingBounds = false;
		return this;
	},

	// @method invalidateSize(options: Zoom/Pan options): this
	// Checks if the map container size changed and updates the map if so —
	// call it after you've changed the map size dynamically, also animating
	// pan by default. If `options.pan` is `false`, panning will not occur.
	// If `options.debounceMoveend` is `true`, it will delay `moveend` event so
	// that it doesn't happen often even if the method is called many
	// times in a row.

	// @alternative
	// @method invalidateSize(animate: Boolean): this
	// Checks if the map container size changed and updates the map if so —
	// call it after you've changed the map size dynamically, also animating
	// pan by default.
	invalidateSize: function (options) {
		if (!this._loaded) { return this; }

		options = L.extend({
			animate: false,
			pan: true
		}, options === true ? {animate: true} : options);

		var oldSize = this.getSize();
		this._sizeChanged = true;
		this._lastCenter = null;

		var newSize = this.getSize(),
		    oldCenter = oldSize.divideBy(2).round(),
		    newCenter = newSize.divideBy(2).round(),
		    offset = oldCenter.subtract(newCenter);

		if (!offset.x && !offset.y) { return this; }

		if (options.animate && options.pan) {
			this.panBy(offset);

		} else {
			if (options.pan) {
				this._rawPanBy(offset);
			}

			this.fire('move');

			if (options.debounceMoveend) {
				clearTimeout(this._sizeTimer);
				this._sizeTimer = setTimeout(L.bind(this.fire, this, 'moveend'), 200);
			} else {
				this.fire('moveend');
			}
		}

		// @section Map state change events
		// @event resize: ResizeEvent
		// Fired when the map is resized.
		return this.fire('resize', {
			oldSize: oldSize,
			newSize: newSize
		});
	},

	// @section Methods for modifying map state
	// @method stop(): this
	// Stops the currently running `panTo` or `flyTo` animation, if any.
	stop: function () {
		this.setZoom(this._limitZoom(this._zoom));
		if (!this.options.zoomSnap) {
			this.fire('viewreset');
		}
		return this._stop();
	},


	// TODO handler.addTo
	// TODO Appropiate docs section?
	// @section Other Methods
	// @method addHandler(name: String, HandlerClass: Function): this
	// Adds a new `Handler` to the map, given its name and constructor function.
	addHandler: function (name, HandlerClass) {
		if (!HandlerClass) { return this; }

		var handler = this[name] = new HandlerClass(this);

		this._handlers.push(handler);

		if (this.options[name]) {
			handler.enable();
		}

		return this;
	},

	// @method remove(): this
	// Destroys the map and clears all related event listeners.
	remove: function () {

		this._initEvents(true);

		if (this._containerId !== this._container._leaflet_id) {
			throw new Error('Map container is being reused by another instance');
		}

		try {
			// throws error in IE6-8
			delete this._container._leaflet_id;
			delete this._containerId;
		} catch (e) {
			/*eslint-disable */
			this._container._leaflet_id = undefined;
			/*eslint-enable */
			this._containerId = undefined;
		}

		L.DomUtil.remove(this._mapPane);

		if (this._clearControlPos) {
			this._clearControlPos();
		}

		this._clearHandlers();

		if (this._loaded) {
			// @section Map state change events
			// @event unload: Event
			// Fired when the map is destroyed with [remove](#map-remove) method.
			this.fire('unload');
		}

		for (var i in this._layers) {
			this._layers[i].remove();
		}

		return this;
	},

	// @section Other Methods
	// @method createPane(name: String, container?: HTMLElement): HTMLElement
	// Creates a new [map pane](#map-pane) with the given name if it doesn't exist already,
	// then returns it. The pane is created as a children of `container`, or
	// as a children of the main map pane if not set.
	createPane: function (name, container) {
		var className = 'leaflet-pane' + (name ? ' leaflet-' + name.replace('Pane', '') + '-pane' : ''),
		    pane = L.DomUtil.create('div', className, container || this._mapPane);

		if (name) {
			this._panes[name] = pane;
		}
		return pane;
	},

	// @section Methods for Getting Map State

	// @method getCenter(): LatLng
	// Returns the geographical center of the map view
	getCenter: function () {
		this._checkIfLoaded();

		if (this._lastCenter && !this._moved()) {
			return this._lastCenter;
		}
		return this.layerPointToLatLng(this._getCenterLayerPoint());
	},

	// @method getZoom(): Number
	// Returns the current zoom level of the map view
	getZoom: function () {
		return this._zoom;
	},

	// @method getBounds(): LatLngBounds
	// Returns the geographical bounds visible in the current map view
	getBounds: function () {
		var bounds = this.getPixelBounds(),
		    sw = this.unproject(bounds.getBottomLeft()),
		    ne = this.unproject(bounds.getTopRight());

		return new L.LatLngBounds(sw, ne);
	},

	// @method getMinZoom(): Number
	// Returns the minimum zoom level of the map (if set in the `minZoom` option of the map or of any layers), or `0` by default.
	getMinZoom: function () {
		return this.options.minZoom === undefined ? this._layersMinZoom || 0 : this.options.minZoom;
	},

	// @method getMaxZoom(): Number
	// Returns the maximum zoom level of the map (if set in the `maxZoom` option of the map or of any layers).
	getMaxZoom: function () {
		return this.options.maxZoom === undefined ?
			(this._layersMaxZoom === undefined ? Infinity : this._layersMaxZoom) :
			this.options.maxZoom;
	},

	// @method getBoundsZoom(bounds: LatLngBounds, inside?: Boolean): Number
	// Returns the maximum zoom level on which the given bounds fit to the map
	// view in its entirety. If `inside` (optional) is set to `true`, the method
	// instead returns the minimum zoom level on which the map view fits into
	// the given bounds in its entirety.
	getBoundsZoom: function (bounds, inside, padding) { // (LatLngBounds[, Boolean, Point]) -> Number
		bounds = L.latLngBounds(bounds);
		padding = L.point(padding || [0, 0]);

		var zoom = this.getZoom() || 0,
		    min = this.getMinZoom(),
		    max = this.getMaxZoom(),
		    nw = bounds.getNorthWest(),
		    se = bounds.getSouthEast(),
		    size = this.getSize().subtract(padding),
		    boundsSize = this.project(se, zoom).subtract(this.project(nw, zoom)),
		    snap = L.Browser.any3d ? this.options.zoomSnap : 1;

		var scale = Math.min(size.x / boundsSize.x, size.y / boundsSize.y);
		zoom = this.getScaleZoom(scale, zoom);

		if (snap) {
			zoom = Math.round(zoom / (snap / 100)) * (snap / 100); // don't jump if within 1% of a snap level
			zoom = inside ? Math.ceil(zoom / snap) * snap : Math.floor(zoom / snap) * snap;
		}

		return Math.max(min, Math.min(max, zoom));
	},

	// @method getSize(): Point
	// Returns the current size of the map container (in pixels).
	getSize: function () {
		if (!this._size || this._sizeChanged) {
			this._size = new L.Point(
				this._container.clientWidth,
				this._container.clientHeight);

			this._sizeChanged = false;
		}
		return this._size.clone();
	},

	// @method getPixelBounds(): Bounds
	// Returns the bounds of the current map view in projected pixel
	// coordinates (sometimes useful in layer and overlay implementations).
	getPixelBounds: function (center, zoom) {
		var topLeftPoint = this._getTopLeftPoint(center, zoom);
		return new L.Bounds(topLeftPoint, topLeftPoint.add(this.getSize()));
	},

	// TODO: Check semantics - isn't the pixel origin the 0,0 coord relative to
	// the map pane? "left point of the map layer" can be confusing, specially
	// since there can be negative offsets.
	// @method getPixelOrigin(): Point
	// Returns the projected pixel coordinates of the top left point of
	// the map layer (useful in custom layer and overlay implementations).
	getPixelOrigin: function () {
		this._checkIfLoaded();
		return this._pixelOrigin;
	},

	// @method getPixelWorldBounds(zoom?: Number): Bounds
	// Returns the world's bounds in pixel coordinates for zoom level `zoom`.
	// If `zoom` is omitted, the map's current zoom level is used.
	getPixelWorldBounds: function (zoom) {
		return this.options.crs.getProjectedBounds(zoom === undefined ? this.getZoom() : zoom);
	},

	// @section Other Methods

	// @method getPane(pane: String|HTMLElement): HTMLElement
	// Returns a [map pane](#map-pane), given its name or its HTML element (its identity).
	getPane: function (pane) {
		return typeof pane === 'string' ? this._panes[pane] : pane;
	},

	// @method getPanes(): Object
	// Returns a plain object containing the names of all [panes](#map-pane) as keys and
	// the panes as values.
	getPanes: function () {
		return this._panes;
	},

	// @method getContainer: HTMLElement
	// Returns the HTML element that contains the map.
	getContainer: function () {
		return this._container;
	},


	// @section Conversion Methods

	// @method getZoomScale(toZoom: Number, fromZoom: Number): Number
	// Returns the scale factor to be applied to a map transition from zoom level
	// `fromZoom` to `toZoom`. Used internally to help with zoom animations.
	getZoomScale: function (toZoom, fromZoom) {
		// TODO replace with universal implementation after refactoring projections
		var crs = this.options.crs;
		fromZoom = fromZoom === undefined ? this._zoom : fromZoom;
		return crs.scale(toZoom) / crs.scale(fromZoom);
	},

	// @method getScaleZoom(scale: Number, fromZoom: Number): Number
	// Returns the zoom level that the map would end up at, if it is at `fromZoom`
	// level and everything is scaled by a factor of `scale`. Inverse of
	// [`getZoomScale`](#map-getZoomScale).
	getScaleZoom: function (scale, fromZoom) {
		var crs = this.options.crs;
		fromZoom = fromZoom === undefined ? this._zoom : fromZoom;
		var zoom = crs.zoom(scale * crs.scale(fromZoom));
		return isNaN(zoom) ? Infinity : zoom;
	},

	// @method project(latlng: LatLng, zoom: Number): Point
	// Projects a geographical coordinate `LatLng` according to the projection
	// of the map's CRS, then scales it according to `zoom` and the CRS's
	// `Transformation`. The result is pixel coordinate relative to
	// the CRS origin.
	project: function (latlng, zoom) {
		zoom = zoom === undefined ? this._zoom : zoom;
		return this.options.crs.latLngToPoint(L.latLng(latlng), zoom);
	},

	// @method unproject(point: Point, zoom: Number): LatLng
	// Inverse of [`project`](#map-project).
	unproject: function (point, zoom) {
		zoom = zoom === undefined ? this._zoom : zoom;
		return this.options.crs.pointToLatLng(L.point(point), zoom);
	},

	// @method layerPointToLatLng(point: Point): LatLng
	// Given a pixel coordinate relative to the [origin pixel](#map-getpixelorigin),
	// returns the corresponding geographical coordinate (for the current zoom level).
	layerPointToLatLng: function (point) {
		var projectedPoint = L.point(point).add(this.getPixelOrigin());
		return this.unproject(projectedPoint);
	},

	// @method latLngToLayerPoint(latlng: LatLng): Point
	// Given a geographical coordinate, returns the corresponding pixel coordinate
	// relative to the [origin pixel](#map-getpixelorigin).
	latLngToLayerPoint: function (latlng) {
		var projectedPoint = this.project(L.latLng(latlng))._round();
		return projectedPoint._subtract(this.getPixelOrigin());
	},

	// @method wrapLatLng(latlng: LatLng): LatLng
	// Returns a `LatLng` where `lat` and `lng` has been wrapped according to the
	// map's CRS's `wrapLat` and `wrapLng` properties, if they are outside the
	// CRS's bounds.
	// By default this means longitude is wrapped around the dateline so its
	// value is between -180 and +180 degrees.
	wrapLatLng: function (latlng) {
		return this.options.crs.wrapLatLng(L.latLng(latlng));
	},

	// @method distance(latlng1: LatLng, latlng2: LatLng): Number
	// Returns the distance between two geographical coordinates according to
	// the map's CRS. By default this measures distance in meters.
	distance: function (latlng1, latlng2) {
		return this.options.crs.distance(L.latLng(latlng1), L.latLng(latlng2));
	},

	// @method containerPointToLayerPoint(point: Point): Point
	// Given a pixel coordinate relative to the map container, returns the corresponding
	// pixel coordinate relative to the [origin pixel](#map-getpixelorigin).
	containerPointToLayerPoint: function (point) { // (Point)
		return L.point(point).subtract(this._getMapPanePos());
	},

	// @method layerPointToContainerPoint(point: Point): Point
	// Given a pixel coordinate relative to the [origin pixel](#map-getpixelorigin),
	// returns the corresponding pixel coordinate relative to the map container.
	layerPointToContainerPoint: function (point) { // (Point)
		return L.point(point).add(this._getMapPanePos());
	},

	// @method containerPointToLatLng(point: Point): Point
	// Given a pixel coordinate relative to the map container, returns
	// the corresponding geographical coordinate (for the current zoom level).
	containerPointToLatLng: function (point) {
		var layerPoint = this.containerPointToLayerPoint(L.point(point));
		return this.layerPointToLatLng(layerPoint);
	},

	// @method latLngToContainerPoint(latlng: LatLng): Point
	// Given a geographical coordinate, returns the corresponding pixel coordinate
	// relative to the map container.
	latLngToContainerPoint: function (latlng) {
		return this.layerPointToContainerPoint(this.latLngToLayerPoint(L.latLng(latlng)));
	},

	// @method mouseEventToContainerPoint(ev: MouseEvent): Point
	// Given a MouseEvent object, returns the pixel coordinate relative to the
	// map container where the event took place.
	mouseEventToContainerPoint: function (e) {
		return L.DomEvent.getMousePosition(e, this._container);
	},

	// @method mouseEventToLayerPoint(ev: MouseEvent): Point
	// Given a MouseEvent object, returns the pixel coordinate relative to
	// the [origin pixel](#map-getpixelorigin) where the event took place.
	mouseEventToLayerPoint: function (e) {
		return this.containerPointToLayerPoint(this.mouseEventToContainerPoint(e));
	},

	// @method mouseEventToLatLng(ev: MouseEvent): LatLng
	// Given a MouseEvent object, returns geographical coordinate where the
	// event took place.
	mouseEventToLatLng: function (e) { // (MouseEvent)
		return this.layerPointToLatLng(this.mouseEventToLayerPoint(e));
	},


	// map initialization methods

	_initContainer: function (id) {
		var container = this._container = L.DomUtil.get(id);

		if (!container) {
			throw new Error('Map container not found.');
		} else if (container._leaflet_id) {
			throw new Error('Map container is already initialized.');
		}

		L.DomEvent.addListener(container, 'scroll', this._onScroll, this);
		this._containerId = L.Util.stamp(container);
	},

	_initLayout: function () {
		var container = this._container;

		this._fadeAnimated = this.options.fadeAnimation && L.Browser.any3d;

		L.DomUtil.addClass(container, 'leaflet-container' +
			(L.Browser.touch ? ' leaflet-touch' : '') +
			(L.Browser.retina ? ' leaflet-retina' : '') +
			(L.Browser.ielt9 ? ' leaflet-oldie' : '') +
			(L.Browser.safari ? ' leaflet-safari' : '') +
			(this._fadeAnimated ? ' leaflet-fade-anim' : ''));

		var position = L.DomUtil.getStyle(container, 'position');

		if (position !== 'absolute' && position !== 'relative' && position !== 'fixed') {
			container.style.position = 'relative';
		}

		this._initPanes();

		if (this._initControlPos) {
			this._initControlPos();
		}
	},

	_initPanes: function () {
		var panes = this._panes = {};
		this._paneRenderers = {};

		// @section
		//
		// Panes are DOM elements used to control the ordering of layers on the map. You
		// can access panes with [`map.getPane`](#map-getpane) or
		// [`map.getPanes`](#map-getpanes) methods. New panes can be created with the
		// [`map.createPane`](#map-createpane) method.
		//
		// Every map has the following default panes that differ only in zIndex.
		//
		// @pane mapPane: HTMLElement = 'auto'
		// Pane that contains all other map panes

		this._mapPane = this.createPane('mapPane', this._container);
		L.DomUtil.setPosition(this._mapPane, new L.Point(0, 0));

		// @pane tilePane: HTMLElement = 200
		// Pane for `GridLayer`s and `TileLayer`s
		this.createPane('tilePane');
		// @pane overlayPane: HTMLElement = 400
		// Pane for vector overlays (`Path`s), like `Polyline`s and `Polygon`s
		this.createPane('shadowPane');
		// @pane shadowPane: HTMLElement = 500
		// Pane for overlay shadows (e.g. `Marker` shadows)
		this.createPane('overlayPane');
		// @pane markerPane: HTMLElement = 600
		// Pane for `Icon`s of `Marker`s
		this.createPane('markerPane');
		// @pane tooltipPane: HTMLElement = 650
		// Pane for tooltip.
		this.createPane('tooltipPane');
		// @pane popupPane: HTMLElement = 700
		// Pane for `Popup`s.
		this.createPane('popupPane');

		if (!this.options.markerZoomAnimation) {
			L.DomUtil.addClass(panes.markerPane, 'leaflet-zoom-hide');
			L.DomUtil.addClass(panes.shadowPane, 'leaflet-zoom-hide');
		}
	},


	// private methods that modify map state

	// @section Map state change events
	_resetView: function (center, zoom) {
		L.DomUtil.setPosition(this._mapPane, new L.Point(0, 0));

		var loading = !this._loaded;
		this._loaded = true;
		zoom = this._limitZoom(zoom);

		this.fire('viewprereset');

		var zoomChanged = this._zoom !== zoom;
		this
			._moveStart(zoomChanged)
			._move(center, zoom)
			._moveEnd(zoomChanged);

		// @event viewreset: Event
		// Fired when the map needs to redraw its content (this usually happens
		// on map zoom or load). Very useful for creating custom overlays.
		this.fire('viewreset');

		// @event load: Event
		// Fired when the map is initialized (when its center and zoom are set
		// for the first time).
		if (loading) {
			this.fire('load');
		}
	},

	_moveStart: function (zoomChanged) {
		// @event zoomstart: Event
		// Fired when the map zoom is about to change (e.g. before zoom animation).
		// @event movestart: Event
		// Fired when the view of the map starts changing (e.g. user starts dragging the map).
		if (zoomChanged) {
			this.fire('zoomstart');
		}
		return this.fire('movestart');
	},

	_move: function (center, zoom, data) {
		if (zoom === undefined) {
			zoom = this._zoom;
		}
		var zoomChanged = this._zoom !== zoom;

		this._zoom = zoom;
		this._lastCenter = center;
		this._pixelOrigin = this._getNewPixelOrigin(center);

		// @event zoom: Event
		// Fired repeatedly during any change in zoom level, including zoom
		// and fly animations.
		if (zoomChanged || (data && data.pinch)) {	// Always fire 'zoom' if pinching because #3530
			this.fire('zoom', data);
		}

		// @event move: Event
		// Fired repeatedly during any movement of the map, including pan and
		// fly animations.
		return this.fire('move', data);
	},

	_moveEnd: function (zoomChanged) {
		// @event zoomend: Event
		// Fired when the map has changed, after any animations.
		if (zoomChanged) {
			this.fire('zoomend');
		}

		// @event moveend: Event
		// Fired when the center of the map stops changing (e.g. user stopped
		// dragging the map).
		return this.fire('moveend');
	},

	_stop: function () {
		L.Util.cancelAnimFrame(this._flyToFrame);
		if (this._panAnim) {
			this._panAnim.stop();
		}
		return this;
	},

	_rawPanBy: function (offset) {
		L.DomUtil.setPosition(this._mapPane, this._getMapPanePos().subtract(offset));
	},

	_getZoomSpan: function () {
		return this.getMaxZoom() - this.getMinZoom();
	},

	_panInsideMaxBounds: function () {
		if (!this._enforcingBounds) {
			this.panInsideBounds(this.options.maxBounds);
		}
	},

	_checkIfLoaded: function () {
		if (!this._loaded) {
			throw new Error('Set map center and zoom first.');
		}
	},

	// DOM event handling

	// @section Interaction events
	_initEvents: function (remove) {
		if (!L.DomEvent) { return; }

		this._targets = {};
		this._targets[L.stamp(this._container)] = this;

		var onOff = remove ? 'off' : 'on';

		// @event click: MouseEvent
		// Fired when the user clicks (or taps) the map.
		// @event dblclick: MouseEvent
		// Fired when the user double-clicks (or double-taps) the map.
		// @event mousedown: MouseEvent
		// Fired when the user pushes the mouse button on the map.
		// @event mouseup: MouseEvent
		// Fired when the user releases the mouse button on the map.
		// @event mouseover: MouseEvent
		// Fired when the mouse enters the map.
		// @event mouseout: MouseEvent
		// Fired when the mouse leaves the map.
		// @event mousemove: MouseEvent
		// Fired while the mouse moves over the map.
		// @event contextmenu: MouseEvent
		// Fired when the user pushes the right mouse button on the map, prevents
		// default browser context menu from showing if there are listeners on
		// this event. Also fired on mobile when the user holds a single touch
		// for a second (also called long press).
		// @event keypress: KeyboardEvent
		// Fired when the user presses a key from the keyboard while the map is focused.
		L.DomEvent[onOff](this._container, 'click dblclick mousedown mouseup ' +
			'mouseover mouseout mousemove contextmenu keypress', this._handleDOMEvent, this);

		if (this.options.trackResize) {
			L.DomEvent[onOff](window, 'resize', this._onResize, this);
		}

		if (L.Browser.any3d && this.options.transform3DLimit) {
			this[onOff]('moveend', this._onMoveEnd);
		}
	},

	_onResize: function () {
		L.Util.cancelAnimFrame(this._resizeRequest);
		this._resizeRequest = L.Util.requestAnimFrame(
		        function () { this.invalidateSize({debounceMoveend: true}); }, this);
	},

	_onScroll: function () {
		this._container.scrollTop  = 0;
		this._container.scrollLeft = 0;
	},

	_onMoveEnd: function () {
		var pos = this._getMapPanePos();
		if (Math.max(Math.abs(pos.x), Math.abs(pos.y)) >= this.options.transform3DLimit) {
			// https://bugzilla.mozilla.org/show_bug.cgi?id=1203873 but Webkit also have
			// a pixel offset on very high values, see: http://jsfiddle.net/dg6r5hhb/
			this._resetView(this.getCenter(), this.getZoom());
		}
	},

	_findEventTargets: function (e, type) {
		var targets = [],
		    target,
		    isHover = type === 'mouseout' || type === 'mouseover',
		    src = e.target || e.srcElement,
		    dragging = false;

		while (src) {
			target = this._targets[L.stamp(src)];
			if (target && (type === 'click' || type === 'preclick') && !e._simulated && this._draggableMoved(target)) {
				// Prevent firing click after you just dragged an object.
				dragging = true;
				break;
			}
			if (target && target.listens(type, true)) {
				if (isHover && !L.DomEvent._isExternalTarget(src, e)) { break; }
				targets.push(target);
				if (isHover) { break; }
			}
			if (src === this._container) { break; }
			src = src.parentNode;
		}
		if (!targets.length && !dragging && !isHover && L.DomEvent._isExternalTarget(src, e)) {
			targets = [this];
		}
		return targets;
	},

	_handleDOMEvent: function (e) {
		if (!this._loaded || L.DomEvent._skipped(e)) { return; }

		var type = e.type === 'keypress' && e.keyCode === 13 ? 'click' : e.type;

		if (type === 'mousedown') {
			// prevents outline when clicking on keyboard-focusable element
			L.DomUtil.preventOutline(e.target || e.srcElement);
		}

		this._fireDOMEvent(e, type);
	},

	_fireDOMEvent: function (e, type, targets) {

		if (e.type === 'click') {
			// Fire a synthetic 'preclick' event which propagates up (mainly for closing popups).
			// @event preclick: MouseEvent
			// Fired before mouse click on the map (sometimes useful when you
			// want something to happen on click before any existing click
			// handlers start running).
			var synth = L.Util.extend({}, e);
			synth.type = 'preclick';
			this._fireDOMEvent(synth, synth.type, targets);
		}

		if (e._stopped) { return; }

		// Find the layer the event is propagating from and its parents.
		targets = (targets || []).concat(this._findEventTargets(e, type));

		if (!targets.length) { return; }

		var target = targets[0];
		if (type === 'contextmenu' && target.listens(type, true)) {
			L.DomEvent.preventDefault(e);
		}

		var data = {
			originalEvent: e
		};

		if (e.type !== 'keypress') {
			var isMarker = target instanceof L.Marker;
			data.containerPoint = isMarker ?
					this.latLngToContainerPoint(target.getLatLng()) : this.mouseEventToContainerPoint(e);
			data.layerPoint = this.containerPointToLayerPoint(data.containerPoint);
			data.latlng = isMarker ? target.getLatLng() : this.layerPointToLatLng(data.layerPoint);
		}

		for (var i = 0; i < targets.length; i++) {
			targets[i].fire(type, data, true);
			if (data.originalEvent._stopped ||
				(targets[i].options.nonBubblingEvents && L.Util.indexOf(targets[i].options.nonBubblingEvents, type) !== -1)) { return; }
		}
	},

	_draggableMoved: function (obj) {
		obj = obj.dragging && obj.dragging.enabled() ? obj : this;
		return (obj.dragging && obj.dragging.moved()) || (this.boxZoom && this.boxZoom.moved());
	},

	_clearHandlers: function () {
		for (var i = 0, len = this._handlers.length; i < len; i++) {
			this._handlers[i].disable();
		}
	},

	// @section Other Methods

	// @method whenReady(fn: Function, context?: Object): this
	// Runs the given function `fn` when the map gets initialized with
	// a view (center and zoom) and at least one layer, or immediately
	// if it's already initialized, optionally passing a function context.
	whenReady: function (callback, context) {
		if (this._loaded) {
			callback.call(context || this, {target: this});
		} else {
			this.on('load', callback, context);
		}
		return this;
	},


	// private methods for getting map state

	_getMapPanePos: function () {
		return L.DomUtil.getPosition(this._mapPane) || new L.Point(0, 0);
	},

	_moved: function () {
		var pos = this._getMapPanePos();
		return pos && !pos.equals([0, 0]);
	},

	_getTopLeftPoint: function (center, zoom) {
		var pixelOrigin = center && zoom !== undefined ?
			this._getNewPixelOrigin(center, zoom) :
			this.getPixelOrigin();
		return pixelOrigin.subtract(this._getMapPanePos());
	},

	_getNewPixelOrigin: function (center, zoom) {
		var viewHalf = this.getSize()._divideBy(2);
		return this.project(center, zoom)._subtract(viewHalf)._add(this._getMapPanePos())._round();
	},

	_latLngToNewLayerPoint: function (latlng, zoom, center) {
		var topLeft = this._getNewPixelOrigin(center, zoom);
		return this.project(latlng, zoom)._subtract(topLeft);
	},

	// layer point of the current center
	_getCenterLayerPoint: function () {
		return this.containerPointToLayerPoint(this.getSize()._divideBy(2));
	},

	// offset of the specified place to the current center in pixels
	_getCenterOffset: function (latlng) {
		return this.latLngToLayerPoint(latlng).subtract(this._getCenterLayerPoint());
	},

	// adjust center for view to get inside bounds
	_limitCenter: function (center, zoom, bounds) {

		if (!bounds) { return center; }

		var centerPoint = this.project(center, zoom),
		    viewHalf = this.getSize().divideBy(2),
		    viewBounds = new L.Bounds(centerPoint.subtract(viewHalf), centerPoint.add(viewHalf)),
		    offset = this._getBoundsOffset(viewBounds, bounds, zoom);

		// If offset is less than a pixel, ignore.
		// This prevents unstable projections from getting into
		// an infinite loop of tiny offsets.
		if (offset.round().equals([0, 0])) {
			return center;
		}

		return this.unproject(centerPoint.add(offset), zoom);
	},

	// adjust offset for view to get inside bounds
	_limitOffset: function (offset, bounds) {
		if (!bounds) { return offset; }

		var viewBounds = this.getPixelBounds(),
		    newBounds = new L.Bounds(viewBounds.min.add(offset), viewBounds.max.add(offset));

		return offset.add(this._getBoundsOffset(newBounds, bounds));
	},

	// returns offset needed for pxBounds to get inside maxBounds at a specified zoom
	_getBoundsOffset: function (pxBounds, maxBounds, zoom) {
		var projectedMaxBounds = L.bounds(
		        this.project(maxBounds.getNorthEast(), zoom),
		        this.project(maxBounds.getSouthWest(), zoom)
		    ),
		    minOffset = projectedMaxBounds.min.subtract(pxBounds.min),
		    maxOffset = projectedMaxBounds.max.subtract(pxBounds.max),

		    dx = this._rebound(minOffset.x, -maxOffset.x),
		    dy = this._rebound(minOffset.y, -maxOffset.y);

		return new L.Point(dx, dy);
	},

	_rebound: function (left, right) {
		return left + right > 0 ?
			Math.round(left - right) / 2 :
			Math.max(0, Math.ceil(left)) - Math.max(0, Math.floor(right));
	},

	_limitZoom: function (zoom) {
		var min = this.getMinZoom(),
		    max = this.getMaxZoom(),
		    snap = L.Browser.any3d ? this.options.zoomSnap : 1;
		if (snap) {
			zoom = Math.round(zoom / snap) * snap;
		}
		return Math.max(min, Math.min(max, zoom));
	}
});

// @section

// @factory L.map(id: String, options?: Map options)
// Instantiates a map object given the DOM ID of a `<div>` element
// and optionally an object literal with `Map options`.
//
// @alternative
// @factory L.map(el: HTMLElement, options?: Map options)
// Instantiates a map object given an instance of a `<div>` HTML element
// and optionally an object literal with `Map options`.
L.map = function (id, options) {
	return new L.Map(id, options);
};




/*
 * @class Layer
 * @inherits Evented
 * @aka L.Layer
 * @aka ILayer
 *
 * A set of methods from the Layer base class that all Leaflet layers use.
 * Inherits all methods, options and events from `L.Evented`.
 *
 * @example
 *
 * ```js
 * var layer = L.Marker(latlng).addTo(map);
 * layer.addTo(map);
 * layer.remove();
 * ```
 *
 * @event add: Event
 * Fired after the layer is added to a map
 *
 * @event remove: Event
 * Fired after the layer is removed from a map
 */


L.Layer = L.Evented.extend({

	// Classes extending `L.Layer` will inherit the following options:
	options: {
		// @option pane: String = 'overlayPane'
		// By default the layer will be added to the map's [overlay pane](#map-overlaypane). Overriding this option will cause the layer to be placed on another pane by default.
		pane: 'overlayPane',
		nonBubblingEvents: []  // Array of events that should not be bubbled to DOM parents (like the map)
	},

	/* @section
	 * Classes extending `L.Layer` will inherit the following methods:
	 *
	 * @method addTo(map: Map): this
	 * Adds the layer to the given map
	 */
	addTo: function (map) {
		map.addLayer(this);
		return this;
	},

	// @method remove: this
	// Removes the layer from the map it is currently active on.
	remove: function () {
		return this.removeFrom(this._map || this._mapToAdd);
	},

	// @method removeFrom(map: Map): this
	// Removes the layer from the given map
	removeFrom: function (obj) {
		if (obj) {
			obj.removeLayer(this);
		}
		return this;
	},

	// @method getPane(name? : String): HTMLElement
	// Returns the `HTMLElement` representing the named pane on the map. If `name` is omitted, returns the pane for this layer.
	getPane: function (name) {
		return this._map.getPane(name ? (this.options[name] || name) : this.options.pane);
	},

	addInteractiveTarget: function (targetEl) {
		this._map._targets[L.stamp(targetEl)] = this;
		return this;
	},

	removeInteractiveTarget: function (targetEl) {
		delete this._map._targets[L.stamp(targetEl)];
		return this;
	},

	_layerAdd: function (e) {
		var map = e.target;

		// check in case layer gets added and then removed before the map is ready
		if (!map.hasLayer(this)) { return; }

		this._map = map;
		this._zoomAnimated = map._zoomAnimated;

		if (this.getEvents) {
			var events = this.getEvents();
			map.on(events, this);
			this.once('remove', function () {
				map.off(events, this);
			}, this);
		}

		this.onAdd(map);

		if (this.getAttribution && this._map.attributionControl) {
			this._map.attributionControl.addAttribution(this.getAttribution());
		}

		this.fire('add');
		map.fire('layeradd', {layer: this});
	}
});

/* @section Extension methods
 * @uninheritable
 *
 * Every layer should extend from `L.Layer` and (re-)implement the following methods.
 *
 * @method onAdd(map: Map): this
 * Should contain code that creates DOM elements for the layer, adds them to `map panes` where they should belong and puts listeners on relevant map events. Called on [`map.addLayer(layer)`](#map-addlayer).
 *
 * @method onRemove(map: Map): this
 * Should contain all clean up code that removes the layer's elements from the DOM and removes listeners previously added in [`onAdd`](#layer-onadd). Called on [`map.removeLayer(layer)`](#map-removelayer).
 *
 * @method getEvents(): Object
 * This optional method should return an object like `{ viewreset: this._reset }` for [`addEventListener`](#evented-addeventlistener). The event handlers in this object will be automatically added and removed from the map with your layer.
 *
 * @method getAttribution(): String
 * This optional method should return a string containing HTML to be shown on the `Attribution control` whenever the layer is visible.
 *
 * @method beforeAdd(map: Map): this
 * Optional method. Called on [`map.addLayer(layer)`](#map-addlayer), before the layer is added to the map, before events are initialized, without waiting until the map is in a usable state. Use for early initialization only.
 */


/* @namespace Map
 * @section Layer events
 *
 * @event layeradd: LayerEvent
 * Fired when a new layer is added to the map.
 *
 * @event layerremove: LayerEvent
 * Fired when some layer is removed from the map
 *
 * @section Methods for Layers and Controls
 */
L.Map.include({
	// @method addLayer(layer: Layer): this
	// Adds the given layer to the map
	addLayer: function (layer) {
		var id = L.stamp(layer);
		if (this._layers[id]) { return this; }
		this._layers[id] = layer;

		layer._mapToAdd = this;

		if (layer.beforeAdd) {
			layer.beforeAdd(this);
		}

		this.whenReady(layer._layerAdd, layer);

		return this;
	},

	// @method removeLayer(layer: Layer): this
	// Removes the given layer from the map.
	removeLayer: function (layer) {
		var id = L.stamp(layer);

		if (!this._layers[id]) { return this; }

		if (this._loaded) {
			layer.onRemove(this);
		}

		if (layer.getAttribution && this.attributionControl) {
			this.attributionControl.removeAttribution(layer.getAttribution());
		}

		delete this._layers[id];

		if (this._loaded) {
			this.fire('layerremove', {layer: layer});
			layer.fire('remove');
		}

		layer._map = layer._mapToAdd = null;

		return this;
	},

	// @method hasLayer(layer: Layer): Boolean
	// Returns `true` if the given layer is currently added to the map
	hasLayer: function (layer) {
		return !!layer && (L.stamp(layer) in this._layers);
	},

	/* @method eachLayer(fn: Function, context?: Object): this
	 * Iterates over the layers of the map, optionally specifying context of the iterator function.
	 * ```
	 * map.eachLayer(function(layer){
	 *     layer.bindPopup('Hello');
	 * });
	 * ```
	 */
	eachLayer: function (method, context) {
		for (var i in this._layers) {
			method.call(context, this._layers[i]);
		}
		return this;
	},

	_addLayers: function (layers) {
		layers = layers ? (L.Util.isArray(layers) ? layers : [layers]) : [];

		for (var i = 0, len = layers.length; i < len; i++) {
			this.addLayer(layers[i]);
		}
	},

	_addZoomLimit: function (layer) {
		if (isNaN(layer.options.maxZoom) || !isNaN(layer.options.minZoom)) {
			this._zoomBoundLayers[L.stamp(layer)] = layer;
			this._updateZoomLevels();
		}
	},

	_removeZoomLimit: function (layer) {
		var id = L.stamp(layer);

		if (this._zoomBoundLayers[id]) {
			delete this._zoomBoundLayers[id];
			this._updateZoomLevels();
		}
	},

	_updateZoomLevels: function () {
		var minZoom = Infinity,
		    maxZoom = -Infinity,
		    oldZoomSpan = this._getZoomSpan();

		for (var i in this._zoomBoundLayers) {
			var options = this._zoomBoundLayers[i].options;

			minZoom = options.minZoom === undefined ? minZoom : Math.min(minZoom, options.minZoom);
			maxZoom = options.maxZoom === undefined ? maxZoom : Math.max(maxZoom, options.maxZoom);
		}

		this._layersMaxZoom = maxZoom === -Infinity ? undefined : maxZoom;
		this._layersMinZoom = minZoom === Infinity ? undefined : minZoom;

		// @section Map state change events
		// @event zoomlevelschange: Event
		// Fired when the number of zoomlevels on the map is changed due
		// to adding or removing a layer.
		if (oldZoomSpan !== this._getZoomSpan()) {
			this.fire('zoomlevelschange');
		}
	}
});



/*
 * @namespace Projection
 * @projection L.Projection.Mercator
 *
 * Elliptical Mercator projection — more complex than Spherical Mercator. Takes into account that Earth is a geoid, not a perfect sphere. Used by the EPSG:3395 CRS.
 */

L.Projection.Mercator = {
	R: 6378137,
	R_MINOR: 6356752.314245179,

	bounds: L.bounds([-20037508.34279, -15496570.73972], [20037508.34279, 18764656.23138]),

	project: function (latlng) {
		var d = Math.PI / 180,
		    r = this.R,
		    y = latlng.lat * d,
		    tmp = this.R_MINOR / r,
		    e = Math.sqrt(1 - tmp * tmp),
		    con = e * Math.sin(y);

		var ts = Math.tan(Math.PI / 4 - y / 2) / Math.pow((1 - con) / (1 + con), e / 2);
		y = -r * Math.log(Math.max(ts, 1E-10));

		return new L.Point(latlng.lng * d * r, y);
	},

	unproject: function (point) {
		var d = 180 / Math.PI,
		    r = this.R,
		    tmp = this.R_MINOR / r,
		    e = Math.sqrt(1 - tmp * tmp),
		    ts = Math.exp(-point.y / r),
		    phi = Math.PI / 2 - 2 * Math.atan(ts);

		for (var i = 0, dphi = 0.1, con; i < 15 && Math.abs(dphi) > 1e-7; i++) {
			con = e * Math.sin(phi);
			con = Math.pow((1 - con) / (1 + con), e / 2);
			dphi = Math.PI / 2 - 2 * Math.atan(ts * con) - phi;
			phi += dphi;
		}

		return new L.LatLng(phi * d, point.x * d / r);
	}
};



/*
 * @namespace CRS
 * @crs L.CRS.EPSG3395
 *
 * Rarely used by some commercial tile providers. Uses Elliptical Mercator projection.
 */

L.CRS.EPSG3395 = L.extend({}, L.CRS.Earth, {
	code: 'EPSG:3395',
	projection: L.Projection.Mercator,

	transformation: (function () {
		var scale = 0.5 / (Math.PI * L.Projection.Mercator.R);
		return new L.Transformation(scale, 0.5, -scale, 0.5);
	}())
});



/*
 * @class GridLayer
 * @inherits Layer
 * @aka L.GridLayer
 *
 * Generic class for handling a tiled grid of HTML elements. This is the base class for all tile layers and replaces `TileLayer.Canvas`.
 * GridLayer can be extended to create a tiled grid of HTML elements like `<canvas>`, `<img>` or `<div>`. GridLayer will handle creating and animating these DOM elements for you.
 *
 *
 * @section Synchronous usage
 * @example
 *
 * To create a custom layer, extend GridLayer and implement the `createTile()` method, which will be passed a `Point` object with the `x`, `y`, and `z` (zoom level) coordinates to draw your tile.
 *
 * ```js
 * var CanvasLayer = L.GridLayer.extend({
 *     createTile: function(coords){
 *         // create a <canvas> element for drawing
 *         var tile = L.DomUtil.create('canvas', 'leaflet-tile');
 *
 *         // setup tile width and height according to the options
 *         var size = this.getTileSize();
 *         tile.width = size.x;
 *         tile.height = size.y;
 *
 *         // get a canvas context and draw something on it using coords.x, coords.y and coords.z
 *         var ctx = tile.getContext('2d');
 *
 *         // return the tile so it can be rendered on screen
 *         return tile;
 *     }
 * });
 * ```
 *
 * @section Asynchronous usage
 * @example
 *
 * Tile creation can also be asynchronous, this is useful when using a third-party drawing library. Once the tile is finished drawing it can be passed to the `done()` callback.
 *
 * ```js
 * var CanvasLayer = L.GridLayer.extend({
 *     createTile: function(coords, done){
 *         var error;
 *
 *         // create a <canvas> element for drawing
 *         var tile = L.DomUtil.create('canvas', 'leaflet-tile');
 *
 *         // setup tile width and height according to the options
 *         var size = this.getTileSize();
 *         tile.width = size.x;
 *         tile.height = size.y;
 *
 *         // draw something asynchronously and pass the tile to the done() callback
 *         setTimeout(function() {
 *             done(error, tile);
 *         }, 1000);
 *
 *         return tile;
 *     }
 * });
 * ```
 *
 * @section
 */


L.GridLayer = L.Layer.extend({

	// @section
	// @aka GridLayer options
	options: {
		// @option tileSize: Number|Point = 256
		// Width and height of tiles in the grid. Use a number if width and height are equal, or `L.point(width, height)` otherwise.
		tileSize: 256,

		// @option opacity: Number = 1.0
		// Opacity of the tiles. Can be used in the `createTile()` function.
		opacity: 1,

		// @option updateWhenIdle: Boolean = depends
		// If `false`, new tiles are loaded during panning, otherwise only after it (for better performance). `true` by default on mobile browsers, otherwise `false`.
		updateWhenIdle: L.Browser.mobile,

		// @option updateWhenZooming: Boolean = true
		// By default, a smooth zoom animation (during a [touch zoom](#map-touchzoom) or a [`flyTo()`](#map-flyto)) will update grid layers every integer zoom level. Setting this option to `false` will update the grid layer only when the smooth animation ends.
		updateWhenZooming: true,

		// @option updateInterval: Number = 200
		// Tiles will not update more than once every `updateInterval` milliseconds when panning.
		updateInterval: 200,

		// @option attribution: String = null
		// String to be shown in the attribution control, describes the layer data, e.g. "© Mapbox".
		attribution: null,

		// @option zIndex: Number = 1
		// The explicit zIndex of the tile layer.
		zIndex: 1,

		// @option bounds: LatLngBounds = undefined
		// If set, tiles will only be loaded inside the set `LatLngBounds`.
		bounds: null,

		// @option minZoom: Number = 0
		// The minimum zoom level that tiles will be loaded at. By default the entire map.
		minZoom: 0,

		// @option maxZoom: Number = undefined
		// The maximum zoom level that tiles will be loaded at.
		maxZoom: undefined,

		// @option noWrap: Boolean = false
		// Whether the layer is wrapped around the antimeridian. If `true`, the
		// GridLayer will only be displayed once at low zoom levels. Has no
		// effect when the [map CRS](#map-crs) doesn't wrap around.
		noWrap: false,

		// @option pane: String = 'tilePane'
		// `Map pane` where the grid layer will be added.
		pane: 'tilePane',

		// @option className: String = ''
		// A custom class name to assign to the tile layer. Empty by default.
		className: '',

		// @option keepBuffer: Number = 2
		// When panning the map, keep this many rows and columns of tiles before unloading them.
		keepBuffer: 2
	},

	initialize: function (options) {
		L.setOptions(this, options);
	},

	onAdd: function () {
		this._initContainer();

		this._levels = {};
		this._tiles = {};

		this._resetView();
		this._update();
	},

	beforeAdd: function (map) {
		map._addZoomLimit(this);
	},

	onRemove: function (map) {
		this._removeAllTiles();
		L.DomUtil.remove(this._container);
		map._removeZoomLimit(this);
		this._container = null;
		this._tileZoom = null;
	},

	// @method bringToFront: this
	// Brings the tile layer to the top of all tile layers.
	bringToFront: function () {
		if (this._map) {
			L.DomUtil.toFront(this._container);
			this._setAutoZIndex(Math.max);
		}
		return this;
	},

	// @method bringToBack: this
	// Brings the tile layer to the bottom of all tile layers.
	bringToBack: function () {
		if (this._map) {
			L.DomUtil.toBack(this._container);
			this._setAutoZIndex(Math.min);
		}
		return this;
	},

	// @method getAttribution: String
	// Used by the `attribution control`, returns the [attribution option](#gridlayer-attribution).
	getAttribution: function () {
		return this.options.attribution;
	},

	// @method getContainer: HTMLElement
	// Returns the HTML element that contains the tiles for this layer.
	getContainer: function () {
		return this._container;
	},

	// @method setOpacity(opacity: Number): this
	// Changes the [opacity](#gridlayer-opacity) of the grid layer.
	setOpacity: function (opacity) {
		this.options.opacity = opacity;
		this._updateOpacity();
		return this;
	},

	// @method setZIndex(zIndex: Number): this
	// Changes the [zIndex](#gridlayer-zindex) of the grid layer.
	setZIndex: function (zIndex) {
		this.options.zIndex = zIndex;
		this._updateZIndex();

		return this;
	},

	// @method isLoading: Boolean
	// Returns `true` if any tile in the grid layer has not finished loading.
	isLoading: function () {
		return this._loading;
	},

	// @method redraw: this
	// Causes the layer to clear all the tiles and request them again.
	redraw: function () {
		if (this._map) {
			this._removeAllTiles();
			this._update();
		}
		return this;
	},

	getEvents: function () {
		var events = {
			viewprereset: this._invalidateAll,
			viewreset: this._resetView,
			zoom: this._resetView,
			moveend: this._onMoveEnd
		};

		if (!this.options.updateWhenIdle) {
			// update tiles on move, but not more often than once per given interval
			if (!this._onMove) {
				this._onMove = L.Util.throttle(this._onMoveEnd, this.options.updateInterval, this);
			}

			events.move = this._onMove;
		}

		if (this._zoomAnimated) {
			events.zoomanim = this._animateZoom;
		}

		return events;
	},

	// @section Extension methods
	// Layers extending `GridLayer` shall reimplement the following method.
	// @method createTile(coords: Object, done?: Function): HTMLElement
	// Called only internally, must be overriden by classes extending `GridLayer`.
	// Returns the `HTMLElement` corresponding to the given `coords`. If the `done` callback
	// is specified, it must be called when the tile has finished loading and drawing.
	createTile: function () {
		return document.createElement('div');
	},

	// @section
	// @method getTileSize: Point
	// Normalizes the [tileSize option](#gridlayer-tilesize) into a point. Used by the `createTile()` method.
	getTileSize: function () {
		var s = this.options.tileSize;
		return s instanceof L.Point ? s : new L.Point(s, s);
	},

	_updateZIndex: function () {
		if (this._container && this.options.zIndex !== undefined && this.options.zIndex !== null) {
			this._container.style.zIndex = this.options.zIndex;
		}
	},

	_setAutoZIndex: function (compare) {
		// go through all other layers of the same pane, set zIndex to max + 1 (front) or min - 1 (back)

		var layers = this.getPane().children,
		    edgeZIndex = -compare(-Infinity, Infinity); // -Infinity for max, Infinity for min

		for (var i = 0, len = layers.length, zIndex; i < len; i++) {

			zIndex = layers[i].style.zIndex;

			if (layers[i] !== this._container && zIndex) {
				edgeZIndex = compare(edgeZIndex, +zIndex);
			}
		}

		if (isFinite(edgeZIndex)) {
			this.options.zIndex = edgeZIndex + compare(-1, 1);
			this._updateZIndex();
		}
	},

	_updateOpacity: function () {
		if (!this._map) { return; }

		// IE doesn't inherit filter opacity properly, so we're forced to set it on tiles
		if (L.Browser.ielt9) { return; }

		L.DomUtil.setOpacity(this._container, this.options.opacity);

		var now = +new Date(),
		    nextFrame = false,
		    willPrune = false;

		for (var key in this._tiles) {
			var tile = this._tiles[key];
			if (!tile.current || !tile.loaded) { continue; }

			var fade = Math.min(1, (now - tile.loaded) / 200);

			L.DomUtil.setOpacity(tile.el, fade);
			if (fade < 1) {
				nextFrame = true;
			} else {
				if (tile.active) { willPrune = true; }
				tile.active = true;
			}
		}

		if (willPrune && !this._noPrune) { this._pruneTiles(); }

		if (nextFrame) {
			L.Util.cancelAnimFrame(this._fadeFrame);
			this._fadeFrame = L.Util.requestAnimFrame(this._updateOpacity, this);
		}
	},

	_initContainer: function () {
		if (this._container) { return; }

		this._container = L.DomUtil.create('div', 'leaflet-layer ' + (this.options.className || ''));
		this._updateZIndex();

		if (this.options.opacity < 1) {
			this._updateOpacity();
		}

		this.getPane().appendChild(this._container);
	},

	_updateLevels: function () {

		var zoom = this._tileZoom,
		    maxZoom = this.options.maxZoom;

		if (zoom === undefined) { return undefined; }

		for (var z in this._levels) {
			if (this._levels[z].el.children.length || z === zoom) {
				this._levels[z].el.style.zIndex = maxZoom - Math.abs(zoom - z);
			} else {
				L.DomUtil.remove(this._levels[z].el);
				this._removeTilesAtZoom(z);
				delete this._levels[z];
			}
		}

		var level = this._levels[zoom],
		    map = this._map;

		if (!level) {
			level = this._levels[zoom] = {};

			level.el = L.DomUtil.create('div', 'leaflet-tile-container leaflet-zoom-animated', this._container);
			level.el.style.zIndex = maxZoom;

			level.origin = map.project(map.unproject(map.getPixelOrigin()), zoom).round();
			level.zoom = zoom;

			this._setZoomTransform(level, map.getCenter(), map.getZoom());

			// force the browser to consider the newly added element for transition
			L.Util.falseFn(level.el.offsetWidth);
		}

		this._level = level;

		return level;
	},

	_pruneTiles: function () {
		if (!this._map) {
			return;
		}

		var key, tile;

		var zoom = this._map.getZoom();
		if (zoom > this.options.maxZoom ||
			zoom < this.options.minZoom) {
			this._removeAllTiles();
			return;
		}

		for (key in this._tiles) {
			tile = this._tiles[key];
			tile.retain = tile.current;
		}

		for (key in this._tiles) {
			tile = this._tiles[key];
			if (tile.current && !tile.active) {
				var coords = tile.coords;
				if (!this._retainParent(coords.x, coords.y, coords.z, coords.z - 5)) {
					this._retainChildren(coords.x, coords.y, coords.z, coords.z + 2);
				}
			}
		}

		for (key in this._tiles) {
			if (!this._tiles[key].retain) {
				this._removeTile(key);
			}
		}
	},

	_removeTilesAtZoom: function (zoom) {
		for (var key in this._tiles) {
			if (this._tiles[key].coords.z !== zoom) {
				continue;
			}
			this._removeTile(key);
		}
	},

	_removeAllTiles: function () {
		for (var key in this._tiles) {
			this._removeTile(key);
		}
	},

	_invalidateAll: function () {
		for (var z in this._levels) {
			L.DomUtil.remove(this._levels[z].el);
			delete this._levels[z];
		}
		this._removeAllTiles();

		this._tileZoom = null;
	},

	_retainParent: function (x, y, z, minZoom) {
		var x2 = Math.floor(x / 2),
		    y2 = Math.floor(y / 2),
		    z2 = z - 1,
		    coords2 = new L.Point(+x2, +y2);
		coords2.z = +z2;

		var key = this._tileCoordsToKey(coords2),
		    tile = this._tiles[key];

		if (tile && tile.active) {
			tile.retain = true;
			return true;

		} else if (tile && tile.loaded) {
			tile.retain = true;
		}

		if (z2 > minZoom) {
			return this._retainParent(x2, y2, z2, minZoom);
		}

		return false;
	},

	_retainChildren: function (x, y, z, maxZoom) {

		for (var i = 2 * x; i < 2 * x + 2; i++) {
			for (var j = 2 * y; j < 2 * y + 2; j++) {

				var coords = new L.Point(i, j);
				coords.z = z + 1;

				var key = this._tileCoordsToKey(coords),
				    tile = this._tiles[key];

				if (tile && tile.active) {
					tile.retain = true;
					continue;

				} else if (tile && tile.loaded) {
					tile.retain = true;
				}

				if (z + 1 < maxZoom) {
					this._retainChildren(i, j, z + 1, maxZoom);
				}
			}
		}
	},

	_resetView: function (e) {
		var animating = e && (e.pinch || e.flyTo);
		this._setView(this._map.getCenter(), this._map.getZoom(), animating, animating);
	},

	_animateZoom: function (e) {
		this._setView(e.center, e.zoom, true, e.noUpdate);
	},

	_setView: function (center, zoom, noPrune, noUpdate) {
		var tileZoom = Math.round(zoom);
		if ((this.options.maxZoom !== undefined && tileZoom > this.options.maxZoom) ||
		    (this.options.minZoom !== undefined && tileZoom < this.options.minZoom)) {
			tileZoom = undefined;
		}

		var tileZoomChanged = this.options.updateWhenZooming && (tileZoom !== this._tileZoom);

		if (!noUpdate || tileZoomChanged) {

			this._tileZoom = tileZoom;

			if (this._abortLoading) {
				this._abortLoading();
			}

			this._updateLevels();
			this._resetGrid();

			if (tileZoom !== undefined) {
				this._update(center);
			}

			if (!noPrune) {
				this._pruneTiles();
			}

			// Flag to prevent _updateOpacity from pruning tiles during
			// a zoom anim or a pinch gesture
			this._noPrune = !!noPrune;
		}

		this._setZoomTransforms(center, zoom);
	},

	_setZoomTransforms: function (center, zoom) {
		for (var i in this._levels) {
			this._setZoomTransform(this._levels[i], center, zoom);
		}
	},

	_setZoomTransform: function (level, center, zoom) {
		var scale = this._map.getZoomScale(zoom, level.zoom),
		    translate = level.origin.multiplyBy(scale)
		        .subtract(this._map._getNewPixelOrigin(center, zoom)).round();

		if (L.Browser.any3d) {
			L.DomUtil.setTransform(level.el, translate, scale);
		} else {
			L.DomUtil.setPosition(level.el, translate);
		}
	},

	_resetGrid: function () {
		var map = this._map,
		    crs = map.options.crs,
		    tileSize = this._tileSize = this.getTileSize(),
		    tileZoom = this._tileZoom;

		var bounds = this._map.getPixelWorldBounds(this._tileZoom);
		if (bounds) {
			this._globalTileRange = this._pxBoundsToTileRange(bounds);
		}

		this._wrapX = crs.wrapLng && !this.options.noWrap && [
			Math.floor(map.project([0, crs.wrapLng[0]], tileZoom).x / tileSize.x),
			Math.ceil(map.project([0, crs.wrapLng[1]], tileZoom).x / tileSize.y)
		];
		this._wrapY = crs.wrapLat && !this.options.noWrap && [
			Math.floor(map.project([crs.wrapLat[0], 0], tileZoom).y / tileSize.x),
			Math.ceil(map.project([crs.wrapLat[1], 0], tileZoom).y / tileSize.y)
		];
	},

	_onMoveEnd: function () {
		if (!this._map || this._map._animatingZoom) { return; }

		this._update();
	},

	_getTiledPixelBounds: function (center) {
		var map = this._map,
		    mapZoom = map._animatingZoom ? Math.max(map._animateToZoom, map.getZoom()) : map.getZoom(),
		    scale = map.getZoomScale(mapZoom, this._tileZoom),
		    pixelCenter = map.project(center, this._tileZoom).floor(),
		    halfSize = map.getSize().divideBy(scale * 2);

		return new L.Bounds(pixelCenter.subtract(halfSize), pixelCenter.add(halfSize));
	},

	// Private method to load tiles in the grid's active zoom level according to map bounds
	_update: function (center) {
		var map = this._map;
		if (!map) { return; }
		var zoom = map.getZoom();

		if (center === undefined) { center = map.getCenter(); }
		if (this._tileZoom === undefined) { return; }	// if out of minzoom/maxzoom

		var pixelBounds = this._getTiledPixelBounds(center),
		    tileRange = this._pxBoundsToTileRange(pixelBounds),
		    tileCenter = tileRange.getCenter(),
		    queue = [],
		    margin = this.options.keepBuffer,
		    noPruneRange = new L.Bounds(tileRange.getBottomLeft().subtract([margin, -margin]),
		                              tileRange.getTopRight().add([margin, -margin]));

		for (var key in this._tiles) {
			var c = this._tiles[key].coords;
			if (c.z !== this._tileZoom || !noPruneRange.contains(L.point(c.x, c.y))) {
				this._tiles[key].current = false;
			}
		}

		// _update just loads more tiles. If the tile zoom level differs too much
		// from the map's, let _setView reset levels and prune old tiles.
		if (Math.abs(zoom - this._tileZoom) > 1) { this._setView(center, zoom); return; }

		// create a queue of coordinates to load tiles from
		for (var j = tileRange.min.y; j <= tileRange.max.y; j++) {
			for (var i = tileRange.min.x; i <= tileRange.max.x; i++) {
				var coords = new L.Point(i, j);
				coords.z = this._tileZoom;

				if (!this._isValidTile(coords)) { continue; }

				var tile = this._tiles[this._tileCoordsToKey(coords)];
				if (tile) {
					tile.current = true;
				} else {
					queue.push(coords);
				}
			}
		}

		// sort tile queue to load tiles in order of their distance to center
		queue.sort(function (a, b) {
			return a.distanceTo(tileCenter) - b.distanceTo(tileCenter);
		});

		if (queue.length !== 0) {
			// if it's the first batch of tiles to load
			if (!this._loading) {
				this._loading = true;
				// @event loading: Event
				// Fired when the grid layer starts loading tiles.
				this.fire('loading');
			}

			// create DOM fragment to append tiles in one batch
			var fragment = document.createDocumentFragment();

			for (i = 0; i < queue.length; i++) {
				this._addTile(queue[i], fragment);
			}

			this._level.el.appendChild(fragment);
		}
	},

	_isValidTile: function (coords) {
		var crs = this._map.options.crs;

		if (!crs.infinite) {
			// don't load tile if it's out of bounds and not wrapped
			var bounds = this._globalTileRange;
			if ((!crs.wrapLng && (coords.x < bounds.min.x || coords.x > bounds.max.x)) ||
			    (!crs.wrapLat && (coords.y < bounds.min.y || coords.y > bounds.max.y))) { return false; }
		}

		if (!this.options.bounds) { return true; }

		// don't load tile if it doesn't intersect the bounds in options
		var tileBounds = this._tileCoordsToBounds(coords);
		return L.latLngBounds(this.options.bounds).overlaps(tileBounds);
	},

	_keyToBounds: function (key) {
		return this._tileCoordsToBounds(this._keyToTileCoords(key));
	},

	// converts tile coordinates to its geographical bounds
	_tileCoordsToBounds: function (coords) {

		var map = this._map,
		    tileSize = this.getTileSize(),

		    nwPoint = coords.scaleBy(tileSize),
		    sePoint = nwPoint.add(tileSize),

		    nw = map.unproject(nwPoint, coords.z),
		    se = map.unproject(sePoint, coords.z);

		if (!this.options.noWrap) {
			nw = map.wrapLatLng(nw);
			se = map.wrapLatLng(se);
		}

		return new L.LatLngBounds(nw, se);
	},

	// converts tile coordinates to key for the tile cache
	_tileCoordsToKey: function (coords) {
		return coords.x + ':' + coords.y + ':' + coords.z;
	},

	// converts tile cache key to coordinates
	_keyToTileCoords: function (key) {
		var k = key.split(':'),
		    coords = new L.Point(+k[0], +k[1]);
		coords.z = +k[2];
		return coords;
	},

	_removeTile: function (key) {
		var tile = this._tiles[key];
		if (!tile) { return; }

		L.DomUtil.remove(tile.el);

		delete this._tiles[key];

		// @event tileunload: TileEvent
		// Fired when a tile is removed (e.g. when a tile goes off the screen).
		this.fire('tileunload', {
			tile: tile.el,
			coords: this._keyToTileCoords(key)
		});
	},

	_initTile: function (tile) {
		L.DomUtil.addClass(tile, 'leaflet-tile');

		var tileSize = this.getTileSize();
		tile.style.width = tileSize.x + 'px';
		tile.style.height = tileSize.y + 'px';

		tile.onselectstart = L.Util.falseFn;
		tile.onmousemove = L.Util.falseFn;

		// update opacity on tiles in IE7-8 because of filter inheritance problems
		if (L.Browser.ielt9 && this.options.opacity < 1) {
			L.DomUtil.setOpacity(tile, this.options.opacity);
		}

		// without this hack, tiles disappear after zoom on Chrome for Android
		// https://github.com/Leaflet/Leaflet/issues/2078
		if (L.Browser.android && !L.Browser.android23) {
			tile.style.WebkitBackfaceVisibility = 'hidden';
		}
	},

	_addTile: function (coords, container) {
		var tilePos = this._getTilePos(coords),
		    key = this._tileCoordsToKey(coords);

		var tile = this.createTile(this._wrapCoords(coords), L.bind(this._tileReady, this, coords));

		this._initTile(tile);

		// if createTile is defined with a second argument ("done" callback),
		// we know that tile is async and will be ready later; otherwise
		if (this.createTile.length < 2) {
			// mark tile as ready, but delay one frame for opacity animation to happen
			L.Util.requestAnimFrame(L.bind(this._tileReady, this, coords, null, tile));
		}

		L.DomUtil.setPosition(tile, tilePos);

		// save tile in cache
		this._tiles[key] = {
			el: tile,
			coords: coords,
			current: true
		};

		container.appendChild(tile);
		// @event tileloadstart: TileEvent
		// Fired when a tile is requested and starts loading.
		this.fire('tileloadstart', {
			tile: tile,
			coords: coords
		});
	},

	_tileReady: function (coords, err, tile) {
		if (!this._map) { return; }

		if (err) {
			// @event tileerror: TileErrorEvent
			// Fired when there is an error loading a tile.
			this.fire('tileerror', {
				error: err,
				tile: tile,
				coords: coords
			});
		}

		var key = this._tileCoordsToKey(coords);

		tile = this._tiles[key];
		if (!tile) { return; }

		tile.loaded = +new Date();
		if (this._map._fadeAnimated) {
			L.DomUtil.setOpacity(tile.el, 0);
			L.Util.cancelAnimFrame(this._fadeFrame);
			this._fadeFrame = L.Util.requestAnimFrame(this._updateOpacity, this);
		} else {
			tile.active = true;
			this._pruneTiles();
		}

		if (!err) {
			L.DomUtil.addClass(tile.el, 'leaflet-tile-loaded');

			// @event tileload: TileEvent
			// Fired when a tile loads.
			this.fire('tileload', {
				tile: tile.el,
				coords: coords
			});
		}

		if (this._noTilesToLoad()) {
			this._loading = false;
			// @event load: Event
			// Fired when the grid layer loaded all visible tiles.
			this.fire('load');

			if (L.Browser.ielt9 || !this._map._fadeAnimated) {
				L.Util.requestAnimFrame(this._pruneTiles, this);
			} else {
				// Wait a bit more than 0.2 secs (the duration of the tile fade-in)
				// to trigger a pruning.
				setTimeout(L.bind(this._pruneTiles, this), 250);
			}
		}
	},

	_getTilePos: function (coords) {
		return coords.scaleBy(this.getTileSize()).subtract(this._level.origin);
	},

	_wrapCoords: function (coords) {
		var newCoords = new L.Point(
			this._wrapX ? L.Util.wrapNum(coords.x, this._wrapX) : coords.x,
			this._wrapY ? L.Util.wrapNum(coords.y, this._wrapY) : coords.y);
		newCoords.z = coords.z;
		return newCoords;
	},

	_pxBoundsToTileRange: function (bounds) {
		var tileSize = this.getTileSize();
		return new L.Bounds(
			bounds.min.unscaleBy(tileSize).floor(),
			bounds.max.unscaleBy(tileSize).ceil().subtract([1, 1]));
	},

	_noTilesToLoad: function () {
		for (var key in this._tiles) {
			if (!this._tiles[key].loaded) { return false; }
		}
		return true;
	}
});

// @factory L.gridLayer(options?: GridLayer options)
// Creates a new instance of GridLayer with the supplied options.
L.gridLayer = function (options) {
	return new L.GridLayer(options);
};



/*
 * @class TileLayer
 * @inherits GridLayer
 * @aka L.TileLayer
 * Used to load and display tile layers on the map. Extends `GridLayer`.
 *
 * @example
 *
 * ```js
 * L.tileLayer('http://{s}.tile.osm.org/{z}/{x}/{y}.png?{foo}', {foo: 'bar'}).addTo(map);
 * ```
 *
 * @section URL template
 * @example
 *
 * A string of the following form:
 *
 * ```
 * 'http://{s}.somedomain.com/blabla/{z}/{x}/{y}{r}.png'
 * ```
 *
 * `{s}` means one of the available subdomains (used sequentially to help with browser parallel requests per domain limitation; subdomain values are specified in options; `a`, `b` or `c` by default, can be omitted), `{z}` — zoom level, `{x}` and `{y}` — tile coordinates. `{r}` can be used to add @2x to the URL to load retina tiles.
 *
 * You can use custom keys in the template, which will be [evaluated](#util-template) from TileLayer options, like this:
 *
 * ```
 * L.tileLayer('http://{s}.somedomain.com/{foo}/{z}/{x}/{y}.png', {foo: 'bar'});
 * ```
 */


L.TileLayer = L.GridLayer.extend({

	// @section
	// @aka TileLayer options
	options: {
		// @option minZoom: Number = 0
		// Minimum zoom number.
		minZoom: 0,

		// @option maxZoom: Number = 18
		// Maximum zoom number.
		maxZoom: 18,

		// @option maxNativeZoom: Number = null
		// Maximum zoom number the tile source has available. If it is specified,
		// the tiles on all zoom levels higher than `maxNativeZoom` will be loaded
		// from `maxNativeZoom` level and auto-scaled.
		maxNativeZoom: null,

		// @option subdomains: String|String[] = 'abc'
		// Subdomains of the tile service. Can be passed in the form of one string (where each letter is a subdomain name) or an array of strings.
		subdomains: 'abc',

		// @option errorTileUrl: String = ''
		// URL to the tile image to show in place of the tile that failed to load.
		errorTileUrl: '',

		// @option zoomOffset: Number = 0
		// The zoom number used in tile URLs will be offset with this value.
		zoomOffset: 0,

		// @option tms: Boolean = false
		// If `true`, inverses Y axis numbering for tiles (turn this on for [TMS](https://en.wikipedia.org/wiki/Tile_Map_Service) services).
		tms: false,

		// @option zoomReverse: Boolean = false
		// If set to true, the zoom number used in tile URLs will be reversed (`maxZoom - zoom` instead of `zoom`)
		zoomReverse: false,

		// @option detectRetina: Boolean = false
		// If `true` and user is on a retina display, it will request four tiles of half the specified size and a bigger zoom level in place of one to utilize the high resolution.
		detectRetina: false,

		// @option crossOrigin: Boolean = false
		// If true, all tiles will have their crossOrigin attribute set to ''. This is needed if you want to access tile pixel data.
		crossOrigin: false
	},

	initialize: function (url, options) {

		this._url = url;

		options = L.setOptions(this, options);

		// detecting retina displays, adjusting tileSize and zoom levels
		if (options.detectRetina && L.Browser.retina && options.maxZoom > 0) {

			options.tileSize = Math.floor(options.tileSize / 2);

			if (!options.zoomReverse) {
				options.zoomOffset++;
				options.maxZoom--;
			} else {
				options.zoomOffset--;
				options.minZoom++;
			}

			options.minZoom = Math.max(0, options.minZoom);
		}

		if (typeof options.subdomains === 'string') {
			options.subdomains = options.subdomains.split('');
		}

		// for https://github.com/Leaflet/Leaflet/issues/137
		if (!L.Browser.android) {
			this.on('tileunload', this._onTileRemove);
		}
	},

	// @method setUrl(url: String, noRedraw?: Boolean): this
	// Updates the layer's URL template and redraws it (unless `noRedraw` is set to `true`).
	setUrl: function (url, noRedraw) {
		this._url = url;

		if (!noRedraw) {
			this.redraw();
		}
		return this;
	},

	// @method createTile(coords: Object, done?: Function): HTMLElement
	// Called only internally, overrides GridLayer's [`createTile()`](#gridlayer-createtile)
	// to return an `<img>` HTML element with the appropiate image URL given `coords`. The `done`
	// callback is called when the tile has been loaded.
	createTile: function (coords, done) {
		var tile = document.createElement('img');

		L.DomEvent.on(tile, 'load', L.bind(this._tileOnLoad, this, done, tile));
		L.DomEvent.on(tile, 'error', L.bind(this._tileOnError, this, done, tile));

		if (this.options.crossOrigin) {
			tile.crossOrigin = '';
		}

		/*
		 Alt tag is set to empty string to keep screen readers from reading URL and for compliance reasons
		 http://www.w3.org/TR/WCAG20-TECHS/H67
		*/
		tile.alt = '';

		tile.src = this.getTileUrl(coords);

		return tile;
	},

	// @section Extension methods
	// @uninheritable
	// Layers extending `TileLayer` might reimplement the following method.
	// @method getTileUrl(coords: Object): String
	// Called only internally, returns the URL for a tile given its coordinates.
	// Classes extending `TileLayer` can override this function to provide custom tile URL naming schemes.
	getTileUrl: function (coords) {
		var data = {
			r: L.Browser.retina ? '@2x' : '',
			s: this._getSubdomain(coords),
			x: coords.x,
			y: coords.y,
			z: this._getZoomForUrl()
		};
		if (this._map && !this._map.options.crs.infinite) {
			var invertedY = this._globalTileRange.max.y - coords.y;
			if (this.options.tms) {
				data['y'] = invertedY;
			}
			data['-y'] = invertedY;
		}

		return L.Util.template(this._url, L.extend(data, this.options));
	},

	_tileOnLoad: function (done, tile) {
		// For https://github.com/Leaflet/Leaflet/issues/3332
		if (L.Browser.ielt9) {
			setTimeout(L.bind(done, this, null, tile), 0);
		} else {
			done(null, tile);
		}
	},

	_tileOnError: function (done, tile, e) {
		var errorUrl = this.options.errorTileUrl;
		if (errorUrl) {
			tile.src = errorUrl;
		}
		done(e, tile);
	},

	getTileSize: function () {
		var map = this._map,
		    tileSize = L.GridLayer.prototype.getTileSize.call(this),
		    zoom = this._tileZoom + this.options.zoomOffset,
		    zoomN = this.options.maxNativeZoom;

		// increase tile size when overscaling
		return zoomN !== null && zoom > zoomN ?
				tileSize.divideBy(map.getZoomScale(zoomN, zoom)).round() :
				tileSize;
	},

	_onTileRemove: function (e) {
		e.tile.onload = null;
	},

	_getZoomForUrl: function () {

		var options = this.options,
		    zoom = this._tileZoom;

		if (options.zoomReverse) {
			zoom = options.maxZoom - zoom;
		}

		zoom += options.zoomOffset;

		return options.maxNativeZoom !== null ? Math.min(zoom, options.maxNativeZoom) : zoom;
	},

	_getSubdomain: function (tilePoint) {
		var index = Math.abs(tilePoint.x + tilePoint.y) % this.options.subdomains.length;
		return this.options.subdomains[index];
	},

	// stops loading all tiles in the background layer
	_abortLoading: function () {
		var i, tile;
		for (i in this._tiles) {
			if (this._tiles[i].coords.z !== this._tileZoom) {
				tile = this._tiles[i].el;

				tile.onload = L.Util.falseFn;
				tile.onerror = L.Util.falseFn;

				if (!tile.complete) {
					tile.src = L.Util.emptyImageUrl;
					L.DomUtil.remove(tile);
				}
			}
		}
	}
});


// @factory L.tilelayer(urlTemplate: String, options?: TileLayer options)
// Instantiates a tile layer object given a `URL template` and optionally an options object.

L.tileLayer = function (url, options) {
	return new L.TileLayer(url, options);
};



/*
 * @class TileLayer.WMS
 * @inherits TileLayer
 * @aka L.TileLayer.WMS
 * Used to display [WMS](https://en.wikipedia.org/wiki/Web_Map_Service) services as tile layers on the map. Extends `TileLayer`.
 *
 * @example
 *
 * ```js
 * var nexrad = L.tileLayer.wms("http://mesonet.agron.iastate.edu/cgi-bin/wms/nexrad/n0r.cgi", {
 * 	layers: 'nexrad-n0r-900913',
 * 	format: 'image/png',
 * 	transparent: true,
 * 	attribution: "Weather data © 2012 IEM Nexrad"
 * });
 * ```
 */

L.TileLayer.WMS = L.TileLayer.extend({

	// @section
	// @aka TileLayer.WMS options
	// If any custom options not documented here are used, they will be sent to the
	// WMS server as extra parameters in each request URL. This can be useful for
	// [non-standard vendor WMS parameters](http://docs.geoserver.org/stable/en/user/services/wms/vendor.html).
	defaultWmsParams: {
		service: 'WMS',
		request: 'GetMap',

		// @option layers: String = ''
		// **(required)** Comma-separated list of WMS layers to show.
		layers: '',

		// @option styles: String = ''
		// Comma-separated list of WMS styles.
		styles: '',

		// @option format: String = 'image/jpeg'
		// WMS image format (use `'image/png'` for layers with transparency).
		format: 'image/jpeg',

		// @option transparent: Boolean = false
		// If `true`, the WMS service will return images with transparency.
		transparent: false,

		// @option version: String = '1.1.1'
		// Version of the WMS service to use
		version: '1.1.1'
	},

	options: {
		// @option crs: CRS = null
		// Coordinate Reference System to use for the WMS requests, defaults to
		// map CRS. Don't change this if you're not sure what it means.
		crs: null,

		// @option uppercase: Boolean = false
		// If `true`, WMS request parameter keys will be uppercase.
		uppercase: false
	},

	initialize: function (url, options) {

		this._url = url;

		var wmsParams = L.extend({}, this.defaultWmsParams);

		// all keys that are not TileLayer options go to WMS params
		for (var i in options) {
			if (!(i in this.options)) {
				wmsParams[i] = options[i];
			}
		}

		options = L.setOptions(this, options);

		wmsParams.width = wmsParams.height = options.tileSize * (options.detectRetina && L.Browser.retina ? 2 : 1);

		this.wmsParams = wmsParams;
	},

	onAdd: function (map) {

		this._crs = this.options.crs || map.options.crs;
		this._wmsVersion = parseFloat(this.wmsParams.version);

		var projectionKey = this._wmsVersion >= 1.3 ? 'crs' : 'srs';
		this.wmsParams[projectionKey] = this._crs.code;

		L.TileLayer.prototype.onAdd.call(this, map);
	},

	getTileUrl: function (coords) {

		var tileBounds = this._tileCoordsToBounds(coords),
		    nw = this._crs.project(tileBounds.getNorthWest()),
		    se = this._crs.project(tileBounds.getSouthEast()),

		    bbox = (this._wmsVersion >= 1.3 && this._crs === L.CRS.EPSG4326 ?
			    [se.y, nw.x, nw.y, se.x] :
			    [nw.x, se.y, se.x, nw.y]).join(','),

		    url = L.TileLayer.prototype.getTileUrl.call(this, coords);

		return url +
			L.Util.getParamString(this.wmsParams, url, this.options.uppercase) +
			(this.options.uppercase ? '&BBOX=' : '&bbox=') + bbox;
	},

	// @method setParams(params: Object, noRedraw?: Boolean): this
	// Merges an object with the new parameters and re-requests tiles on the current screen (unless `noRedraw` was set to true).
	setParams: function (params, noRedraw) {

		L.extend(this.wmsParams, params);

		if (!noRedraw) {
			this.redraw();
		}

		return this;
	}
});


// @factory L.tileLayer.wms(baseUrl: String, options: TileLayer.WMS options)
// Instantiates a WMS tile layer object given a base URL of the WMS service and a WMS parameters/options object.
L.tileLayer.wms = function (url, options) {
	return new L.TileLayer.WMS(url, options);
};



/*
 * @class ImageOverlay
 * @aka L.ImageOverlay
 * @inherits Interactive layer
 *
 * Used to load and display a single image over specific bounds of the map. Extends `Layer`.
 *
 * @example
 *
 * ```js
 * var imageUrl = 'http://www.lib.utexas.edu/maps/historical/newark_nj_1922.jpg',
 * 	imageBounds = [[40.712216, -74.22655], [40.773941, -74.12544]];
 * L.imageOverlay(imageUrl, imageBounds).addTo(map);
 * ```
 */

L.ImageOverlay = L.Layer.extend({

	// @section
	// @aka ImageOverlay options
	options: {
		// @option opacity: Number = 1.0
		// The opacity of the image overlay.
		opacity: 1,

		// @option alt: String = ''
		// Text for the `alt` attribute of the image (useful for accessibility).
		alt: '',

		// @option interactive: Boolean = false
		// If `true`, the image overlay will emit [mouse events](#interactive-layer) when clicked or hovered.
		interactive: false,

		// @option attribution: String = null
		// An optional string containing HTML to be shown on the `Attribution control`
		attribution: null,

		// @option crossOrigin: Boolean = false
		// If true, the image will have its crossOrigin attribute set to ''. This is needed if you want to access image pixel data.
		crossOrigin: false
	},

	initialize: function (url, bounds, options) { // (String, LatLngBounds, Object)
		this._url = url;
		this._bounds = L.latLngBounds(bounds);

		L.setOptions(this, options);
	},

	onAdd: function () {
		if (!this._image) {
			this._initImage();

			if (this.options.opacity < 1) {
				this._updateOpacity();
			}
		}

		if (this.options.interactive) {
			L.DomUtil.addClass(this._image, 'leaflet-interactive');
			this.addInteractiveTarget(this._image);
		}

		this.getPane().appendChild(this._image);
		this._reset();
	},

	onRemove: function () {
		L.DomUtil.remove(this._image);
		if (this.options.interactive) {
			this.removeInteractiveTarget(this._image);
		}
	},

	// @method setOpacity(opacity: Number): this
	// Sets the opacity of the overlay.
	setOpacity: function (opacity) {
		this.options.opacity = opacity;

		if (this._image) {
			this._updateOpacity();
		}
		return this;
	},

	setStyle: function (styleOpts) {
		if (styleOpts.opacity) {
			this.setOpacity(styleOpts.opacity);
		}
		return this;
	},

	// @method bringToFront(): this
	// Brings the layer to the top of all overlays.
	bringToFront: function () {
		if (this._map) {
			L.DomUtil.toFront(this._image);
		}
		return this;
	},

	// @method bringToBack(): this
	// Brings the layer to the bottom of all overlays.
	bringToBack: function () {
		if (this._map) {
			L.DomUtil.toBack(this._image);
		}
		return this;
	},

	// @method setUrl(url: String): this
	// Changes the URL of the image.
	setUrl: function (url) {
		this._url = url;

		if (this._image) {
			this._image.src = url;
		}
		return this;
	},

	setBounds: function (bounds) {
		this._bounds = bounds;

		if (this._map) {
			this._reset();
		}
		return this;
	},

	getAttribution: function () {
		return this.options.attribution;
	},

	getEvents: function () {
		var events = {
			zoom: this._reset,
			viewreset: this._reset
		};

		if (this._zoomAnimated) {
			events.zoomanim = this._animateZoom;
		}

		return events;
	},

	getBounds: function () {
		return this._bounds;
	},

	getElement: function () {
		return this._image;
	},

	_initImage: function () {
		var img = this._image = L.DomUtil.create('img',
				'leaflet-image-layer ' + (this._zoomAnimated ? 'leaflet-zoom-animated' : ''));

		img.onselectstart = L.Util.falseFn;
		img.onmousemove = L.Util.falseFn;

		img.onload = L.bind(this.fire, this, 'load');

		if (this.options.crossOrigin) {
			img.crossOrigin = '';
		}

		img.src = this._url;
		img.alt = this.options.alt;
	},

	_animateZoom: function (e) {
		var scale = this._map.getZoomScale(e.zoom),
		    offset = this._map._latLngToNewLayerPoint(this._bounds.getNorthWest(), e.zoom, e.center);

		L.DomUtil.setTransform(this._image, offset, scale);
	},

	_reset: function () {
		var image = this._image,
		    bounds = new L.Bounds(
		        this._map.latLngToLayerPoint(this._bounds.getNorthWest()),
		        this._map.latLngToLayerPoint(this._bounds.getSouthEast())),
		    size = bounds.getSize();

		L.DomUtil.setPosition(image, bounds.min);

		image.style.width  = size.x + 'px';
		image.style.height = size.y + 'px';
	},

	_updateOpacity: function () {
		L.DomUtil.setOpacity(this._image, this.options.opacity);
	}
});

// @factory L.imageOverlay(imageUrl: String, bounds: LatLngBounds, options?: ImageOverlay options)
// Instantiates an image overlay object given the URL of the image and the
// geographical bounds it is tied to.
L.imageOverlay = function (url, bounds, options) {
	return new L.ImageOverlay(url, bounds, options);
};



/*
 * @class Icon
 * @aka L.Icon
 * @inherits Layer
 *
 * Represents an icon to provide when creating a marker.
 *
 * @example
 *
 * ```js
 * var myIcon = L.icon({
 *     iconUrl: 'my-icon.png',
 *     iconRetinaUrl: 'my-icon@2x.png',
 *     iconSize: [38, 95],
 *     iconAnchor: [22, 94],
 *     popupAnchor: [-3, -76],
 *     shadowUrl: 'my-icon-shadow.png',
 *     shadowRetinaUrl: 'my-icon-shadow@2x.png',
 *     shadowSize: [68, 95],
 *     shadowAnchor: [22, 94]
 * });
 *
 * L.marker([50.505, 30.57], {icon: myIcon}).addTo(map);
 * ```
 *
 * `L.Icon.Default` extends `L.Icon` and is the blue icon Leaflet uses for markers by default.
 *
 */

L.Icon = L.Class.extend({

	/* @section
	 * @aka Icon options
	 *
	 * @option iconUrl: String = null
	 * **(required)** The URL to the icon image (absolute or relative to your script path).
	 *
	 * @option iconRetinaUrl: String = null
	 * The URL to a retina sized version of the icon image (absolute or relative to your
	 * script path). Used for Retina screen devices.
	 *
	 * @option iconSize: Point = null
	 * Size of the icon image in pixels.
	 *
	 * @option iconAnchor: Point = null
	 * The coordinates of the "tip" of the icon (relative to its top left corner). The icon
	 * will be aligned so that this point is at the marker's geographical location. Centered
	 * by default if size is specified, also can be set in CSS with negative margins.
	 *
	 * @option popupAnchor: Point = null
	 * The coordinates of the point from which popups will "open", relative to the icon anchor.
	 *
	 * @option shadowUrl: String = null
	 * The URL to the icon shadow image. If not specified, no shadow image will be created.
	 *
	 * @option shadowRetinaUrl: String = null
	 *
	 * @option shadowSize: Point = null
	 * Size of the shadow image in pixels.
	 *
	 * @option shadowAnchor: Point = null
	 * The coordinates of the "tip" of the shadow (relative to its top left corner) (the same
	 * as iconAnchor if not specified).
	 *
	 * @option className: String = ''
	 * A custom class name to assign to both icon and shadow images. Empty by default.
	 */

	initialize: function (options) {
		L.setOptions(this, options);
	},

	// @method createIcon(oldIcon?: HTMLElement): HTMLElement
	// Called internally when the icon has to be shown, returns a `<img>` HTML element
	// styled according to the options.
	createIcon: function (oldIcon) {
		return this._createIcon('icon', oldIcon);
	},

	// @method createShadow(oldIcon?: HTMLElement): HTMLElement
	// As `createIcon`, but for the shadow beneath it.
	createShadow: function (oldIcon) {
		return this._createIcon('shadow', oldIcon);
	},

	_createIcon: function (name, oldIcon) {
		var src = this._getIconUrl(name);

		if (!src) {
			if (name === 'icon') {
				throw new Error('iconUrl not set in Icon options (see the docs).');
			}
			return null;
		}

		var img = this._createImg(src, oldIcon && oldIcon.tagName === 'IMG' ? oldIcon : null);
		this._setIconStyles(img, name);

		return img;
	},

	_setIconStyles: function (img, name) {
		var options = this.options;
		var sizeOption = options[name + 'Size'];

		if (typeof sizeOption === 'number') {
			sizeOption = [sizeOption, sizeOption];
		}

		var size = L.point(sizeOption),
		    anchor = L.point(name === 'shadow' && options.shadowAnchor || options.iconAnchor ||
		            size && size.divideBy(2, true));

		img.className = 'leaflet-marker-' + name + ' ' + (options.className || '');

		if (anchor) {
			img.style.marginLeft = (-anchor.x) + 'px';
			img.style.marginTop  = (-anchor.y) + 'px';
		}

		if (size) {
			img.style.width  = size.x + 'px';
			img.style.height = size.y + 'px';
		}
	},

	_createImg: function (src, el) {
		el = el || document.createElement('img');
		el.src = src;
		return el;
	},

	_getIconUrl: function (name) {
		return L.Browser.retina && this.options[name + 'RetinaUrl'] || this.options[name + 'Url'];
	}
});


// @factory L.icon(options: Icon options)
// Creates an icon instance with the given options.
L.icon = function (options) {
	return new L.Icon(options);
};



/*
 * @miniclass Icon.Default (Icon)
 * @aka L.Icon.Default
 * @section
 *
 * A trivial subclass of `Icon`, represents the icon to use in `Marker`s when
 * no icon is specified. Points to the blue marker image distributed with Leaflet
 * releases.
 *
 * In order to change the default icon, just change the properties of `L.Icon.Default.prototype.options`
 * (which is a set of `Icon options`).
 */

L.Icon.Default = L.Icon.extend({

	options: {
		iconUrl:       'marker-icon.png',
		iconRetinaUrl: 'marker-icon-2x.png',
		shadowUrl:     'marker-shadow.png',
		iconSize:    [25, 41],
		iconAnchor:  [12, 41],
		popupAnchor: [1, -34],
		tooltipAnchor: [16, -28],
		shadowSize:  [41, 41]
	},

	_getIconUrl: function (name) {
		if (!L.Icon.Default.imagePath) {	// Deprecated, backwards-compatibility only
			L.Icon.Default.imagePath = this._detectIconPath();
		}

		// @option imagePath: String
		// `L.Icon.Default` will try to auto-detect the absolute location of the
		// blue icon images. If you are placing these images in a non-standard
		// way, set this option to point to the right absolute path.
		return (this.options.imagePath || L.Icon.Default.imagePath) + L.Icon.prototype._getIconUrl.call(this, name);
	},

	_detectIconPath: function () {
		var el = L.DomUtil.create('div',  'leaflet-default-icon-path', document.body);
		var path = L.DomUtil.getStyle(el, 'background-image') ||
		           L.DomUtil.getStyle(el, 'backgroundImage');	// IE8

		document.body.removeChild(el);

		return path.indexOf('url') === 0 ?
			path.replace(/^url\([\"\']?/, '').replace(/marker-icon\.png[\"\']?\)$/, '') : '';
	}
});



/*
 * @class Marker
 * @inherits Interactive layer
 * @aka L.Marker
 * L.Marker is used to display clickable/draggable icons on the map. Extends `Layer`.
 *
 * @example
 *
 * ```js
 * L.marker([50.5, 30.5]).addTo(map);
 * ```
 */

L.Marker = L.Layer.extend({

	// @section
	// @aka Marker options
	options: {
		// @option icon: Icon = *
		// Icon class to use for rendering the marker. See [Icon documentation](#L.Icon) for details on how to customize the marker icon. If not specified, a new `L.Icon.Default` is used.
		icon: new L.Icon.Default(),

		// Option inherited from "Interactive layer" abstract class
		interactive: true,

		// @option draggable: Boolean = false
		// Whether the marker is draggable with mouse/touch or not.
		draggable: false,

		// @option keyboard: Boolean = true
		// Whether the marker can be tabbed to with a keyboard and clicked by pressing enter.
		keyboard: true,

		// @option title: String = ''
		// Text for the browser tooltip that appear on marker hover (no tooltip by default).
		title: '',

		// @option alt: String = ''
		// Text for the `alt` attribute of the icon image (useful for accessibility).
		alt: '',

		// @option zIndexOffset: Number = 0
		// By default, marker images zIndex is set automatically based on its latitude. Use this option if you want to put the marker on top of all others (or below), specifying a high value like `1000` (or high negative value, respectively).
		zIndexOffset: 0,

		// @option opacity: Number = 1.0
		// The opacity of the marker.
		opacity: 1,

		// @option riseOnHover: Boolean = false
		// If `true`, the marker will get on top of others when you hover the mouse over it.
		riseOnHover: false,

		// @option riseOffset: Number = 250
		// The z-index offset used for the `riseOnHover` feature.
		riseOffset: 250,

		// @option pane: String = 'markerPane'
		// `Map pane` where the markers icon will be added.
		pane: 'markerPane',

		// FIXME: shadowPane is no longer a valid option
		nonBubblingEvents: ['click', 'dblclick', 'mouseover', 'mouseout', 'contextmenu']
	},

	/* @section
	 *
	 * In addition to [shared layer methods](#Layer) like `addTo()` and `remove()` and [popup methods](#Popup) like bindPopup() you can also use the following methods:
	 */

	initialize: function (latlng, options) {
		L.setOptions(this, options);
		this._latlng = L.latLng(latlng);
	},

	onAdd: function (map) {
		this._zoomAnimated = this._zoomAnimated && map.options.markerZoomAnimation;

		if (this._zoomAnimated) {
			map.on('zoomanim', this._animateZoom, this);
		}

		this._initIcon();
		this.update();
	},

	onRemove: function (map) {
		if (this.dragging && this.dragging.enabled()) {
			this.options.draggable = true;
			this.dragging.removeHooks();
		}

		if (this._zoomAnimated) {
			map.off('zoomanim', this._animateZoom, this);
		}

		this._removeIcon();
		this._removeShadow();
	},

	getEvents: function () {
		return {
			zoom: this.update,
			viewreset: this.update
		};
	},

	// @method getLatLng: LatLng
	// Returns the current geographical position of the marker.
	getLatLng: function () {
		return this._latlng;
	},

	// @method setLatLng(latlng: LatLng): this
	// Changes the marker position to the given point.
	setLatLng: function (latlng) {
		var oldLatLng = this._latlng;
		this._latlng = L.latLng(latlng);
		this.update();

		// @event move: Event
		// Fired when the marker is moved via [`setLatLng`](#marker-setlatlng) or by [dragging](#marker-dragging). Old and new coordinates are included in event arguments as `oldLatLng`, `latlng`.
		return this.fire('move', {oldLatLng: oldLatLng, latlng: this._latlng});
	},

	// @method setZIndexOffset(offset: Number): this
	// Changes the [zIndex offset](#marker-zindexoffset) of the marker.
	setZIndexOffset: function (offset) {
		this.options.zIndexOffset = offset;
		return this.update();
	},

	// @method setIcon(icon: Icon): this
	// Changes the marker icon.
	setIcon: function (icon) {

		this.options.icon = icon;

		if (this._map) {
			this._initIcon();
			this.update();
		}

		if (this._popup) {
			this.bindPopup(this._popup, this._popup.options);
		}

		return this;
	},

	getElement: function () {
		return this._icon;
	},

	update: function () {

		if (this._icon) {
			var pos = this._map.latLngToLayerPoint(this._latlng).round();
			this._setPos(pos);
		}

		return this;
	},

	_initIcon: function () {
		var options = this.options,
		    classToAdd = 'leaflet-zoom-' + (this._zoomAnimated ? 'animated' : 'hide');

		var icon = options.icon.createIcon(this._icon),
		    addIcon = false;

		// if we're not reusing the icon, remove the old one and init new one
		if (icon !== this._icon) {
			if (this._icon) {
				this._removeIcon();
			}
			addIcon = true;

			if (options.title) {
				icon.title = options.title;
			}
			if (options.alt) {
				icon.alt = options.alt;
			}
		}

		L.DomUtil.addClass(icon, classToAdd);

		if (options.keyboard) {
			icon.tabIndex = '0';
		}

		this._icon = icon;

		if (options.riseOnHover) {
			this.on({
				mouseover: this._bringToFront,
				mouseout: this._resetZIndex
			});
		}

		var newShadow = options.icon.createShadow(this._shadow),
		    addShadow = false;

		if (newShadow !== this._shadow) {
			this._removeShadow();
			addShadow = true;
		}

		if (newShadow) {
			L.DomUtil.addClass(newShadow, classToAdd);
		}
		this._shadow = newShadow;


		if (options.opacity < 1) {
			this._updateOpacity();
		}


		if (addIcon) {
			this.getPane().appendChild(this._icon);
		}
		this._initInteraction();
		if (newShadow && addShadow) {
			this.getPane('shadowPane').appendChild(this._shadow);
		}
	},

	_removeIcon: function () {
		if (this.options.riseOnHover) {
			this.off({
				mouseover: this._bringToFront,
				mouseout: this._resetZIndex
			});
		}

		L.DomUtil.remove(this._icon);
		this.removeInteractiveTarget(this._icon);

		this._icon = null;
	},

	_removeShadow: function () {
		if (this._shadow) {
			L.DomUtil.remove(this._shadow);
		}
		this._shadow = null;
	},

	_setPos: function (pos) {
		L.DomUtil.setPosition(this._icon, pos);

		if (this._shadow) {
			L.DomUtil.setPosition(this._shadow, pos);
		}

		this._zIndex = pos.y + this.options.zIndexOffset;

		this._resetZIndex();
	},

	_updateZIndex: function (offset) {
		this._icon.style.zIndex = this._zIndex + offset;
	},

	_animateZoom: function (opt) {
		var pos = this._map._latLngToNewLayerPoint(this._latlng, opt.zoom, opt.center).round();

		this._setPos(pos);
	},

	_initInteraction: function () {

		if (!this.options.interactive) { return; }

		L.DomUtil.addClass(this._icon, 'leaflet-interactive');

		this.addInteractiveTarget(this._icon);

		if (L.Handler.MarkerDrag) {
			var draggable = this.options.draggable;
			if (this.dragging) {
				draggable = this.dragging.enabled();
				this.dragging.disable();
			}

			this.dragging = new L.Handler.MarkerDrag(this);

			if (draggable) {
				this.dragging.enable();
			}
		}
	},

	// @method setOpacity(opacity: Number): this
	// Changes the opacity of the marker.
	setOpacity: function (opacity) {
		this.options.opacity = opacity;
		if (this._map) {
			this._updateOpacity();
		}

		return this;
	},

	_updateOpacity: function () {
		var opacity = this.options.opacity;

		L.DomUtil.setOpacity(this._icon, opacity);

		if (this._shadow) {
			L.DomUtil.setOpacity(this._shadow, opacity);
		}
	},

	_bringToFront: function () {
		this._updateZIndex(this.options.riseOffset);
	},

	_resetZIndex: function () {
		this._updateZIndex(0);
	}
});


// factory L.marker(latlng: LatLng, options? : Marker options)

// @factory L.marker(latlng: LatLng, options? : Marker options)
// Instantiates a Marker object given a geographical point and optionally an options object.
L.marker = function (latlng, options) {
	return new L.Marker(latlng, options);
};



/*
 * @class DivIcon
 * @aka L.DivIcon
 * @inherits Icon
 *
 * Represents a lightweight icon for markers that uses a simple `<div>`
 * element instead of an image. Inherits from `Icon` but ignores the `iconUrl` and shadow options.
 *
 * @example
 * ```js
 * var myIcon = L.divIcon({className: 'my-div-icon'});
 * // you can set .my-div-icon styles in CSS
 *
 * L.marker([50.505, 30.57], {icon: myIcon}).addTo(map);
 * ```
 *
 * By default, it has a 'leaflet-div-icon' CSS class and is styled as a little white square with a shadow.
 */

L.DivIcon = L.Icon.extend({
	options: {
		// @section
		// @aka DivIcon options
		iconSize: [12, 12], // also can be set through CSS

		// iconAnchor: (Point),
		// popupAnchor: (Point),

		// @option html: String = ''
		// Custom HTML code to put inside the div element, empty by default.
		html: false,

		// @option bgPos: Point = [0, 0]
		// Optional relative position of the background, in pixels
		bgPos: null,

		className: 'leaflet-div-icon'
	},

	createIcon: function (oldIcon) {
		var div = (oldIcon && oldIcon.tagName === 'DIV') ? oldIcon : document.createElement('div'),
		    options = this.options;

		div.innerHTML = options.html !== false ? options.html : '';

		if (options.bgPos) {
			var bgPos = L.point(options.bgPos);
			div.style.backgroundPosition = (-bgPos.x) + 'px ' + (-bgPos.y) + 'px';
		}
		this._setIconStyles(div, 'icon');

		return div;
	},

	createShadow: function () {
		return null;
	}
});

// @factory L.divIcon(options: DivIcon options)
// Creates a `DivIcon` instance with the given options.
L.divIcon = function (options) {
	return new L.DivIcon(options);
};



/*
 * @class DivOverlay
 * @inherits Layer
 * @aka L.DivOverlay
 * Base model for L.Popup and L.Tooltip. Inherit from it for custom popup like plugins.
 */

// @namespace DivOverlay
L.DivOverlay = L.Layer.extend({

	// @section
	// @aka DivOverlay options
	options: {
		// @option offset: Point = Point(0, 7)
		// The offset of the popup position. Useful to control the anchor
		// of the popup when opening it on some overlays.
		offset: [0, 7],

		// @option className: String = ''
		// A custom CSS class name to assign to the popup.
		className: '',

		// @option pane: String = 'popupPane'
		// `Map pane` where the popup will be added.
		pane: 'popupPane'
	},

	initialize: function (options, source) {
		L.setOptions(this, options);

		this._source = source;
	},

	onAdd: function (map) {
		this._zoomAnimated = map._zoomAnimated;

		if (!this._container) {
			this._initLayout();
		}

		if (map._fadeAnimated) {
			L.DomUtil.setOpacity(this._container, 0);
		}

		clearTimeout(this._removeTimeout);
		this.getPane().appendChild(this._container);
		this.update();

		if (map._fadeAnimated) {
			L.DomUtil.setOpacity(this._container, 1);
		}

		this.bringToFront();
	},

	onRemove: function (map) {
		if (map._fadeAnimated) {
			L.DomUtil.setOpacity(this._container, 0);
			this._removeTimeout = setTimeout(L.bind(L.DomUtil.remove, L.DomUtil, this._container), 200);
		} else {
			L.DomUtil.remove(this._container);
		}
	},

	// @namespace Popup
	// @method getLatLng: LatLng
	// Returns the geographical point of popup.
	getLatLng: function () {
		return this._latlng;
	},

	// @method setLatLng(latlng: LatLng): this
	// Sets the geographical point where the popup will open.
	setLatLng: function (latlng) {
		this._latlng = L.latLng(latlng);
		if (this._map) {
			this._updatePosition();
			this._adjustPan();
		}
		return this;
	},

	// @method getContent: String|HTMLElement
	// Returns the content of the popup.
	getContent: function () {
		return this._content;
	},

	// @method setContent(htmlContent: String|HTMLElement|Function): this
	// Sets the HTML content of the popup. If a function is passed the source layer will be passed to the function. The function should return a `String` or `HTMLElement` to be used in the popup.
	setContent: function (content) {
		this._content = content;
		this.update();
		return this;
	},

	// @method getElement: String|HTMLElement
	// Alias for [getContent()](#popup-getcontent)
	getElement: function () {
		return this._container;
	},

	// @method update: null
	// Updates the popup content, layout and position. Useful for updating the popup after something inside changed, e.g. image loaded.
	update: function () {
		if (!this._map) { return; }

		this._container.style.visibility = 'hidden';

		this._updateContent();
		this._updateLayout();
		this._updatePosition();

		this._container.style.visibility = '';

		this._adjustPan();
	},

	getEvents: function () {
		var events = {
			zoom: this._updatePosition,
			viewreset: this._updatePosition
		};

		if (this._zoomAnimated) {
			events.zoomanim = this._animateZoom;
		}
		return events;
	},

	// @method isOpen: Boolean
	// Returns `true` when the popup is visible on the map.
	isOpen: function () {
		return !!this._map && this._map.hasLayer(this);
	},

	// @method bringToFront: this
	// Brings this popup in front of other popups (in the same map pane).
	bringToFront: function () {
		if (this._map) {
			L.DomUtil.toFront(this._container);
		}
		return this;
	},

	// @method bringToBack: this
	// Brings this popup to the back of other popups (in the same map pane).
	bringToBack: function () {
		if (this._map) {
			L.DomUtil.toBack(this._container);
		}
		return this;
	},

	_updateContent: function () {
		if (!this._content) { return; }

		var node = this._contentNode;
		var content = (typeof this._content === 'function') ? this._content(this._source || this) : this._content;

		if (typeof content === 'string') {
			node.innerHTML = content;
		} else {
			while (node.hasChildNodes()) {
				node.removeChild(node.firstChild);
			}
			node.appendChild(content);
		}
		this.fire('contentupdate');
	},

	_updatePosition: function () {
		if (!this._map) { return; }

		var pos = this._map.latLngToLayerPoint(this._latlng),
		    offset = L.point(this.options.offset),
		    anchor = this._getAnchor();

		if (this._zoomAnimated) {
			L.DomUtil.setPosition(this._container, pos.add(anchor));
		} else {
			offset = offset.add(pos).add(anchor);
		}

		var bottom = this._containerBottom = -offset.y,
		    left = this._containerLeft = -Math.round(this._containerWidth / 2) + offset.x;

		// bottom position the popup in case the height of the popup changes (images loading etc)
		this._container.style.bottom = bottom + 'px';
		this._container.style.left = left + 'px';
	},

	_getAnchor: function () {
		return [0, 0];
	}

});



/*
 * @class Popup
 * @inherits DivOverlay
 * @aka L.Popup
 * Used to open popups in certain places of the map. Use [Map.openPopup](#map-openpopup) to
 * open popups while making sure that only one popup is open at one time
 * (recommended for usability), or use [Map.addLayer](#map-addlayer) to open as many as you want.
 *
 * @example
 *
 * If you want to just bind a popup to marker click and then open it, it's really easy:
 *
 * ```js
 * marker.bindPopup(popupContent).openPopup();
 * ```
 * Path overlays like polylines also have a `bindPopup` method.
 * Here's a more complicated way to open a popup on a map:
 *
 * ```js
 * var popup = L.popup()
 * 	.setLatLng(latlng)
 * 	.setContent('<p>Hello world!<br />This is a nice popup.</p>')
 * 	.openOn(map);
 * ```
 */


// @namespace Popup
L.Popup = L.DivOverlay.extend({

	// @section
	// @aka Popup options
	options: {
		// @option maxWidth: Number = 300
		// Max width of the popup, in pixels.
		maxWidth: 300,

		// @option minWidth: Number = 50
		// Min width of the popup, in pixels.
		minWidth: 50,

		// @option maxHeight: Number = null
		// If set, creates a scrollable container of the given height
		// inside a popup if its content exceeds it.
		maxHeight: null,

		// @option autoPan: Boolean = true
		// Set it to `false` if you don't want the map to do panning animation
		// to fit the opened popup.
		autoPan: true,

		// @option autoPanPaddingTopLeft: Point = null
		// The margin between the popup and the top left corner of the map
		// view after autopanning was performed.
		autoPanPaddingTopLeft: null,

		// @option autoPanPaddingBottomRight: Point = null
		// The margin between the popup and the bottom right corner of the map
		// view after autopanning was performed.
		autoPanPaddingBottomRight: null,

		// @option autoPanPadding: Point = Point(5, 5)
		// Equivalent of setting both top left and bottom right autopan padding to the same value.
		autoPanPadding: [5, 5],

		// @option keepInView: Boolean = false
		// Set it to `true` if you want to prevent users from panning the popup
		// off of the screen while it is open.
		keepInView: false,

		// @option closeButton: Boolean = true
		// Controls the presence of a close button in the popup.
		closeButton: true,

		// @option autoClose: Boolean = true
		// Set it to `false` if you want to override the default behavior of
		// the popup closing when user clicks the map (set globally by
		// the Map's [closePopupOnClick](#map-closepopuponclick) option).
		autoClose: true,

		// @option className: String = ''
		// A custom CSS class name to assign to the popup.
		className: ''
	},

	// @namespace Popup
	// @method openOn(map: Map): this
	// Adds the popup to the map and closes the previous one. The same as `map.openPopup(popup)`.
	openOn: function (map) {
		map.openPopup(this);
		return this;
	},

	onAdd: function (map) {
		L.DivOverlay.prototype.onAdd.call(this, map);

		// @namespace Map
		// @section Popup events
		// @event popupopen: PopupEvent
		// Fired when a popup is opened in the map
		map.fire('popupopen', {popup: this});

		if (this._source) {
			// @namespace Layer
			// @section Popup events
			// @event popupopen: PopupEvent
			// Fired when a popup bound to this layer is opened
			this._source.fire('popupopen', {popup: this}, true);
			// For non-path layers, we toggle the popup when clicking
			// again the layer, so prevent the map to reopen it.
			if (!(this._source instanceof L.Path)) {
				this._source.on('preclick', L.DomEvent.stopPropagation);
			}
		}
	},

	onRemove: function (map) {
		L.DivOverlay.prototype.onRemove.call(this, map);

		// @namespace Map
		// @section Popup events
		// @event popupclose: PopupEvent
		// Fired when a popup in the map is closed
		map.fire('popupclose', {popup: this});

		if (this._source) {
			// @namespace Layer
			// @section Popup events
			// @event popupclose: PopupEvent
			// Fired when a popup bound to this layer is closed
			this._source.fire('popupclose', {popup: this}, true);
			if (!(this._source instanceof L.Path)) {
				this._source.off('preclick', L.DomEvent.stopPropagation);
			}
		}
	},

	getEvents: function () {
		var events = L.DivOverlay.prototype.getEvents.call(this);

		if ('closeOnClick' in this.options ? this.options.closeOnClick : this._map.options.closePopupOnClick) {
			events.preclick = this._close;
		}

		if (this.options.keepInView) {
			events.moveend = this._adjustPan;
		}

		return events;
	},

	_close: function () {
		if (this._map) {
			this._map.closePopup(this);
		}
	},

	_initLayout: function () {
		var prefix = 'leaflet-popup',
		    container = this._container = L.DomUtil.create('div',
			prefix + ' ' + (this.options.className || '') +
			' leaflet-zoom-animated');

		if (this.options.closeButton) {
			var closeButton = this._closeButton = L.DomUtil.create('a', prefix + '-close-button', container);
			closeButton.href = '#close';
			closeButton.innerHTML = '&#215;';

			L.DomEvent.on(closeButton, 'click', this._onCloseButtonClick, this);
		}

		var wrapper = this._wrapper = L.DomUtil.create('div', prefix + '-content-wrapper', container);
		this._contentNode = L.DomUtil.create('div', prefix + '-content', wrapper);

		L.DomEvent
			.disableClickPropagation(wrapper)
			.disableScrollPropagation(this._contentNode)
			.on(wrapper, 'contextmenu', L.DomEvent.stopPropagation);

		this._tipContainer = L.DomUtil.create('div', prefix + '-tip-container', container);
		this._tip = L.DomUtil.create('div', prefix + '-tip', this._tipContainer);
	},

	_updateLayout: function () {
		var container = this._contentNode,
		    style = container.style;

		style.width = '';
		style.whiteSpace = 'nowrap';

		var width = container.offsetWidth;
		width = Math.min(width, this.options.maxWidth);
		width = Math.max(width, this.options.minWidth);

		style.width = (width + 1) + 'px';
		style.whiteSpace = '';

		style.height = '';

		var height = container.offsetHeight,
		    maxHeight = this.options.maxHeight,
		    scrolledClass = 'leaflet-popup-scrolled';

		if (maxHeight && height > maxHeight) {
			style.height = maxHeight + 'px';
			L.DomUtil.addClass(container, scrolledClass);
		} else {
			L.DomUtil.removeClass(container, scrolledClass);
		}

		this._containerWidth = this._container.offsetWidth;
	},

	_animateZoom: function (e) {
		var pos = this._map._latLngToNewLayerPoint(this._latlng, e.zoom, e.center),
		    anchor = this._getAnchor();
		L.DomUtil.setPosition(this._container, pos.add(anchor));
	},

	_adjustPan: function () {
		if (!this.options.autoPan || (this._map._panAnim && this._map._panAnim._inProgress)) { return; }

		var map = this._map,
		    marginBottom = parseInt(L.DomUtil.getStyle(this._container, 'marginBottom'), 10) || 0,
		    containerHeight = this._container.offsetHeight + marginBottom,
		    containerWidth = this._containerWidth,
		    layerPos = new L.Point(this._containerLeft, -containerHeight - this._containerBottom);

		layerPos._add(L.DomUtil.getPosition(this._container));

		var containerPos = map.layerPointToContainerPoint(layerPos),
		    padding = L.point(this.options.autoPanPadding),
		    paddingTL = L.point(this.options.autoPanPaddingTopLeft || padding),
		    paddingBR = L.point(this.options.autoPanPaddingBottomRight || padding),
		    size = map.getSize(),
		    dx = 0,
		    dy = 0;

		if (containerPos.x + containerWidth + paddingBR.x > size.x) { // right
			dx = containerPos.x + containerWidth - size.x + paddingBR.x;
		}
		if (containerPos.x - dx - paddingTL.x < 0) { // left
			dx = containerPos.x - paddingTL.x;
		}
		if (containerPos.y + containerHeight + paddingBR.y > size.y) { // bottom
			dy = containerPos.y + containerHeight - size.y + paddingBR.y;
		}
		if (containerPos.y - dy - paddingTL.y < 0) { // top
			dy = containerPos.y - paddingTL.y;
		}

		// @namespace Map
		// @section Popup events
		// @event autopanstart: Event
		// Fired when the map starts autopanning when opening a popup.
		if (dx || dy) {
			map
			    .fire('autopanstart')
			    .panBy([dx, dy]);
		}
	},

	_onCloseButtonClick: function (e) {
		this._close();
		L.DomEvent.stop(e);
	},

	_getAnchor: function () {
		// Where should we anchor the popup on the source layer?
		return L.point(this._source && this._source._getPopupAnchor ? this._source._getPopupAnchor() : [0, 0]);
	}

});

// @namespace Popup
// @factory L.popup(options?: Popup options, source?: Layer)
// Instantiates a `Popup` object given an optional `options` object that describes its appearance and location and an optional `source` object that is used to tag the popup with a reference to the Layer to which it refers.
L.popup = function (options, source) {
	return new L.Popup(options, source);
};


/* @namespace Map
 * @section Interaction Options
 * @option closePopupOnClick: Boolean = true
 * Set it to `false` if you don't want popups to close when user clicks the map.
 */
L.Map.mergeOptions({
	closePopupOnClick: true
});


// @namespace Map
// @section Methods for Layers and Controls
L.Map.include({
	// @method openPopup(popup: Popup): this
	// Opens the specified popup while closing the previously opened (to make sure only one is opened at one time for usability).
	// @alternative
	// @method openPopup(content: String|HTMLElement, latlng: LatLng, options?: Popup options): this
	// Creates a popup with the specified content and options and opens it in the given point on a map.
	openPopup: function (popup, latlng, options) {
		if (!(popup instanceof L.Popup)) {
			popup = new L.Popup(options).setContent(popup);
		}

		if (latlng) {
			popup.setLatLng(latlng);
		}

		if (this.hasLayer(popup)) {
			return this;
		}

		if (this._popup && this._popup.options.autoClose) {
			this.closePopup();
		}

		this._popup = popup;
		return this.addLayer(popup);
	},

	// @method closePopup(popup?: Popup): this
	// Closes the popup previously opened with [openPopup](#map-openpopup) (or the given one).
	closePopup: function (popup) {
		if (!popup || popup === this._popup) {
			popup = this._popup;
			this._popup = null;
		}
		if (popup) {
			this.removeLayer(popup);
		}
		return this;
	}
});



/*
 * @namespace Layer
 * @section Popup methods example
 *
 * All layers share a set of methods convenient for binding popups to it.
 *
 * ```js
 * var layer = L.Polygon(latlngs).bindPopup('Hi There!').addTo(map);
 * layer.openPopup();
 * layer.closePopup();
 * ```
 *
 * Popups will also be automatically opened when the layer is clicked on and closed when the layer is removed from the map or another popup is opened.
 */

// @section Popup methods
L.Layer.include({

	// @method bindPopup(content: String|HTMLElement|Function|Popup, options?: Popup options): this
	// Binds a popup to the layer with the passed `content` and sets up the
	// neccessary event listeners. If a `Function` is passed it will receive
	// the layer as the first argument and should return a `String` or `HTMLElement`.
	bindPopup: function (content, options) {

		if (content instanceof L.Popup) {
			L.setOptions(content, options);
			this._popup = content;
			content._source = this;
		} else {
			if (!this._popup || options) {
				this._popup = new L.Popup(options, this);
			}
			this._popup.setContent(content);
		}

		if (!this._popupHandlersAdded) {
			this.on({
				click: this._openPopup,
				remove: this.closePopup,
				move: this._movePopup
			});
			this._popupHandlersAdded = true;
		}

		return this;
	},

	// @method unbindPopup(): this
	// Removes the popup previously bound with `bindPopup`.
	unbindPopup: function () {
		if (this._popup) {
			this.off({
				click: this._openPopup,
				remove: this.closePopup,
				move: this._movePopup
			});
			this._popupHandlersAdded = false;
			this._popup = null;
		}
		return this;
	},

	// @method openPopup(latlng?: LatLng): this
	// Opens the bound popup at the specificed `latlng` or at the default popup anchor if no `latlng` is passed.
	openPopup: function (layer, latlng) {
		if (!(layer instanceof L.Layer)) {
			latlng = layer;
			layer = this;
		}

		if (layer instanceof L.FeatureGroup) {
			for (var id in this._layers) {
				layer = this._layers[id];
				break;
			}
		}

		if (!latlng) {
			latlng = layer.getCenter ? layer.getCenter() : layer.getLatLng();
		}

		if (this._popup && this._map) {
			// set popup source to this layer
			this._popup._source = layer;

			// update the popup (content, layout, ect...)
			this._popup.update();

			// open the popup on the map
			this._map.openPopup(this._popup, latlng);
		}

		return this;
	},

	// @method closePopup(): this
	// Closes the popup bound to this layer if it is open.
	closePopup: function () {
		if (this._popup) {
			this._popup._close();
		}
		return this;
	},

	// @method togglePopup(): this
	// Opens or closes the popup bound to this layer depending on its current state.
	togglePopup: function (target) {
		if (this._popup) {
			if (this._popup._map) {
				this.closePopup();
			} else {
				this.openPopup(target);
			}
		}
		return this;
	},

	// @method isPopupOpen(): boolean
	// Returns `true` if the popup bound to this layer is currently open.
	isPopupOpen: function () {
		return this._popup.isOpen();
	},

	// @method setPopupContent(content: String|HTMLElement|Popup): this
	// Sets the content of the popup bound to this layer.
	setPopupContent: function (content) {
		if (this._popup) {
			this._popup.setContent(content);
		}
		return this;
	},

	// @method getPopup(): Popup
	// Returns the popup bound to this layer.
	getPopup: function () {
		return this._popup;
	},

	_openPopup: function (e) {
		var layer = e.layer || e.target;

		if (!this._popup) {
			return;
		}

		if (!this._map) {
			return;
		}

		// prevent map click
		L.DomEvent.stop(e);

		// if this inherits from Path its a vector and we can just
		// open the popup at the new location
		if (layer instanceof L.Path) {
			this.openPopup(e.layer || e.target, e.latlng);
			return;
		}

		// otherwise treat it like a marker and figure out
		// if we should toggle it open/closed
		if (this._map.hasLayer(this._popup) && this._popup._source === layer) {
			this.closePopup();
		} else {
			this.openPopup(layer, e.latlng);
		}
	},

	_movePopup: function (e) {
		this._popup.setLatLng(e.latlng);
	}
});



/*
 * Popup extension to L.Marker, adding popup-related methods.
 */

L.Marker.include({
	_getPopupAnchor: function () {
		return this.options.icon.options.popupAnchor || [0, 0];
	}
});



/*
 * @class Tooltip
 * @inherits DivOverlay
 * @aka L.Tooltip
 * Used to display small texts on top of map layers.
 *
 * @example
 *
 * ```js
 * marker.bindTooltip("my tooltip text").openTooltip();
 * ```
 * Note about tooltip offset. Leaflet takes two options in consideration
 * for computing tooltip offseting:
 * - the `offset` Tooltip option: it defaults to [0, 0], and it's specific to one tooltip.
 *   Add a positive x offset to move the tooltip to the right, and a positive y offset to
 *   move it to the bottom. Negatives will move to the left and top.
 * - the `tooltipAnchor` Icon option: this will only be considered for Marker. You
 *   should adapt this value if you use a custom icon.
 */


// @namespace Tooltip
L.Tooltip = L.DivOverlay.extend({

	// @section
	// @aka Tooltip options
	options: {
		// @option pane: String = 'tooltipPane'
		// `Map pane` where the tooltip will be added.
		pane: 'tooltipPane',

		// @option offset: Point = Point(0, 0)
		// Optional offset of the tooltip position.
		offset: [0, 0],

		// @option direction: String = 'auto'
		// Direction where to open the tooltip. Possible values are: `right`, `left`,
		// `top`, `bottom`, `center`, `auto`.
		// `auto` will dynamicaly switch between `right` and `left` according to the tooltip
		// position on the map.
		direction: 'auto',

		// @option permanent: Boolean = false
		// Whether to open the tooltip permanently or only on mouseover.
		permanent: false,

		// @option sticky: Boolean = false
		// If true, the tooltip will follow the mouse instead of being fixed at the feature center.
		sticky: false,

		// @option interactive: Boolean = false
		// If true, the tooltip will listen to the feature events.
		interactive: false,

		// @option opacity: Number = 0.9
		// Tooltip container opacity.
		opacity: 0.9
	},

	onAdd: function (map) {
		L.DivOverlay.prototype.onAdd.call(this, map);
		this.setOpacity(this.options.opacity);

		// @namespace Map
		// @section Tooltip events
		// @event tooltipopen: TooltipEvent
		// Fired when a tooltip is opened in the map.
		map.fire('tooltipopen', {tooltip: this});

		if (this._source) {
			// @namespace Layer
			// @section Tooltip events
			// @event tooltipopen: TooltipEvent
			// Fired when a tooltip bound to this layer is opened.
			this._source.fire('tooltipopen', {tooltip: this}, true);
		}
	},

	onRemove: function (map) {
		L.DivOverlay.prototype.onRemove.call(this, map);

		// @namespace Map
		// @section Tooltip events
		// @event tooltipclose: TooltipEvent
		// Fired when a tooltip in the map is closed.
		map.fire('tooltipclose', {tooltip: this});

		if (this._source) {
			// @namespace Layer
			// @section Tooltip events
			// @event tooltipclose: TooltipEvent
			// Fired when a tooltip bound to this layer is closed.
			this._source.fire('tooltipclose', {tooltip: this}, true);
		}
	},

	getEvents: function () {
		var events = L.DivOverlay.prototype.getEvents.call(this);

		if (L.Browser.touch && !this.options.permanent) {
			events.preclick = this._close;
		}

		return events;
	},

	_close: function () {
		if (this._map) {
			this._map.closeTooltip(this);
		}
	},

	_initLayout: function () {
		var prefix = 'leaflet-tooltip',
		    className = prefix + ' ' + (this.options.className || '') + ' leaflet-zoom-' + (this._zoomAnimated ? 'animated' : 'hide');

		this._contentNode = this._container = L.DomUtil.create('div', className);
	},

	_updateLayout: function () {},

	_adjustPan: function () {},

	_setPosition: function (pos) {
		var map = this._map,
		    container = this._container,
		    centerPoint = map.latLngToContainerPoint(map.getCenter()),
		    tooltipPoint = map.layerPointToContainerPoint(pos),
		    direction = this.options.direction,
		    tooltipWidth = container.offsetWidth,
		    tooltipHeight = container.offsetHeight,
		    offset = L.point(this.options.offset),
		    anchor = this._getAnchor();

		if (direction === 'top') {
			pos = pos.add(L.point(-tooltipWidth / 2 + offset.x, -tooltipHeight + offset.y + anchor.y));
		} else if (direction === 'bottom') {
			pos = pos.subtract(L.point(tooltipWidth / 2 - offset.x, -offset.y));
		} else if (direction === 'center') {
			pos = pos.subtract(L.point(tooltipWidth / 2 + offset.x, tooltipHeight / 2 - anchor.y + offset.y));
		} else if (direction === 'right' || direction === 'auto' && tooltipPoint.x < centerPoint.x) {
			direction = 'right';
			pos = pos.add([offset.x + anchor.x, anchor.y - tooltipHeight / 2 + offset.y]);
		} else {
			direction = 'left';
			pos = pos.subtract(L.point(tooltipWidth + anchor.x - offset.x, tooltipHeight / 2 - anchor.y - offset.y));
		}

		L.DomUtil.removeClass(container, 'leaflet-tooltip-right');
		L.DomUtil.removeClass(container, 'leaflet-tooltip-left');
		L.DomUtil.removeClass(container, 'leaflet-tooltip-top');
		L.DomUtil.removeClass(container, 'leaflet-tooltip-bottom');
		L.DomUtil.addClass(container, 'leaflet-tooltip-' + direction);
		L.DomUtil.setPosition(container, pos);
	},

	_updatePosition: function () {
		var pos = this._map.latLngToLayerPoint(this._latlng);
		this._setPosition(pos);
	},

	setOpacity: function (opacity) {
		this.options.opacity = opacity;

		if (this._container) {
			L.DomUtil.setOpacity(this._container, opacity);
		}
	},

	_animateZoom: function (e) {
		var pos = this._map._latLngToNewLayerPoint(this._latlng, e.zoom, e.center);
		this._setPosition(pos);
	},

	_getAnchor: function () {
		// Where should we anchor the tooltip on the source layer?
		return L.point(this._source && this._source._getTooltipAnchor && !this.options.sticky ? this._source._getTooltipAnchor() : [0, 0]);
	}

});

// @namespace Tooltip
// @factory L.tooltip(options?: Tooltip options, source?: Layer)
// Instantiates a Tooltip object given an optional `options` object that describes its appearance and location and an optional `source` object that is used to tag the tooltip with a reference to the Layer to which it refers.
L.tooltip = function (options, source) {
	return new L.Tooltip(options, source);
};

// @namespace Map
// @section Methods for Layers and Controls
L.Map.include({

	// @method openTooltip(tooltip: Tooltip): this
	// Opens the specified tooltip.
	// @alternative
	// @method openTooltip(content: String|HTMLElement, latlng: LatLng, options?: Tooltip options): this
	// Creates a tooltip with the specified content and options and open it.
	openTooltip: function (tooltip, latlng, options) {
		if (!(tooltip instanceof L.Tooltip)) {
			tooltip = new L.Tooltip(options).setContent(tooltip);
		}

		if (latlng) {
			tooltip.setLatLng(latlng);
		}

		if (this.hasLayer(tooltip)) {
			return this;
		}

		return this.addLayer(tooltip);
	},

	// @method closeTooltip(tooltip?: Tooltip): this
	// Closes the tooltip given as parameter.
	closeTooltip: function (tooltip) {
		if (tooltip) {
			this.removeLayer(tooltip);
		}
		return this;
	}

});



/*
 * @namespace Layer
 * @section Tooltip methods example
 *
 * All layers share a set of methods convenient for binding tooltips to it.
 *
 * ```js
 * var layer = L.Polygon(latlngs).bindTooltip('Hi There!').addTo(map);
 * layer.openTooltip();
 * layer.closeTooltip();
 * ```
 */

// @section Tooltip methods
L.Layer.include({

	// @method bindTooltip(content: String|HTMLElement|Function|Tooltip, options?: Tooltip options): this
	// Binds a tooltip to the layer with the passed `content` and sets up the
	// neccessary event listeners. If a `Function` is passed it will receive
	// the layer as the first argument and should return a `String` or `HTMLElement`.
	bindTooltip: function (content, options) {

		if (content instanceof L.Tooltip) {
			L.setOptions(content, options);
			this._tooltip = content;
			content._source = this;
		} else {
			if (!this._tooltip || options) {
				this._tooltip = L.tooltip(options, this);
			}
			this._tooltip.setContent(content);

		}

		this._initTooltipInteractions();

		if (this._tooltip.options.permanent && this._map && this._map.hasLayer(this)) {
			this.openTooltip();
		}

		return this;
	},

	// @method unbindTooltip(): this
	// Removes the tooltip previously bound with `bindTooltip`.
	unbindTooltip: function () {
		if (this._tooltip) {
			this._initTooltipInteractions(true);
			this.closeTooltip();
			this._tooltip = null;
		}
		return this;
	},

	_initTooltipInteractions: function (remove) {
		if (!remove && this._tooltipHandlersAdded) { return; }
		var onOff = remove ? 'off' : 'on',
		    events = {
			remove: this.closeTooltip,
			move: this._moveTooltip
		    };
		if (!this._tooltip.options.permanent) {
			events.mouseover = this._openTooltip;
			events.mouseout = this.closeTooltip;
			if (this._tooltip.options.sticky) {
				events.mousemove = this._moveTooltip;
			}
			if (L.Browser.touch) {
				events.click = this._openTooltip;
			}
		} else {
			events.add = this._openTooltip;
		}
		this[onOff](events);
		this._tooltipHandlersAdded = !remove;
	},

	// @method openTooltip(latlng?: LatLng): this
	// Opens the bound tooltip at the specificed `latlng` or at the default tooltip anchor if no `latlng` is passed.
	openTooltip: function (layer, latlng) {
		if (!(layer instanceof L.Layer)) {
			latlng = layer;
			layer = this;
		}

		if (layer instanceof L.FeatureGroup) {
			for (var id in this._layers) {
				layer = this._layers[id];
				break;
			}
		}

		if (!latlng) {
			latlng = layer.getCenter ? layer.getCenter() : layer.getLatLng();
		}

		if (this._tooltip && this._map) {

			// set tooltip source to this layer
			this._tooltip._source = layer;

			// update the tooltip (content, layout, ect...)
			this._tooltip.update();

			// open the tooltip on the map
			this._map.openTooltip(this._tooltip, latlng);

			// Tooltip container may not be defined if not permanent and never
			// opened.
			if (this._tooltip.options.interactive && this._tooltip._container) {
				L.DomUtil.addClass(this._tooltip._container, 'leaflet-clickable');
				this.addInteractiveTarget(this._tooltip._container);
			}
		}

		return this;
	},

	// @method closeTooltip(): this
	// Closes the tooltip bound to this layer if it is open.
	closeTooltip: function () {
		if (this._tooltip) {
			this._tooltip._close();
			if (this._tooltip.options.interactive && this._tooltip._container) {
				L.DomUtil.removeClass(this._tooltip._container, 'leaflet-clickable');
				this.removeInteractiveTarget(this._tooltip._container);
			}
		}
		return this;
	},

	// @method toggleTooltip(): this
	// Opens or closes the tooltip bound to this layer depending on its current state.
	toggleTooltip: function (target) {
		if (this._tooltip) {
			if (this._tooltip._map) {
				this.closeTooltip();
			} else {
				this.openTooltip(target);
			}
		}
		return this;
	},

	// @method isTooltipOpen(): boolean
	// Returns `true` if the tooltip bound to this layer is currently open.
	isTooltipOpen: function () {
		return this._tooltip.isOpen();
	},

	// @method setTooltipContent(content: String|HTMLElement|Tooltip): this
	// Sets the content of the tooltip bound to this layer.
	setTooltipContent: function (content) {
		if (this._tooltip) {
			this._tooltip.setContent(content);
		}
		return this;
	},

	// @method getTooltip(): Tooltip
	// Returns the tooltip bound to this layer.
	getTooltip: function () {
		return this._tooltip;
	},

	_openTooltip: function (e) {
		var layer = e.layer || e.target;

		if (!this._tooltip || !this._map) {
			return;
		}
		this.openTooltip(layer, this._tooltip.options.sticky ? e.latlng : undefined);
	},

	_moveTooltip: function (e) {
		var latlng = e.latlng, containerPoint, layerPoint;
		if (this._tooltip.options.sticky && e.originalEvent) {
			containerPoint = this._map.mouseEventToContainerPoint(e.originalEvent);
			layerPoint = this._map.containerPointToLayerPoint(containerPoint);
			latlng = this._map.layerPointToLatLng(layerPoint);
		}
		this._tooltip.setLatLng(latlng);
	}
});



/*
 * Tooltip extension to L.Marker, adding tooltip-related methods.
 */

L.Marker.include({
	_getTooltipAnchor: function () {
		return this.options.icon.options.tooltipAnchor || [0, 0];
	}
});



/*
 * @class LayerGroup
 * @aka L.LayerGroup
 * @inherits Layer
 *
 * Used to group several layers and handle them as one. If you add it to the map,
 * any layers added or removed from the group will be added/removed on the map as
 * well. Extends `Layer`.
 *
 * @example
 *
 * ```js
 * L.layerGroup([marker1, marker2])
 * 	.addLayer(polyline)
 * 	.addTo(map);
 * ```
 */

L.LayerGroup = L.Layer.extend({

	initialize: function (layers) {
		this._layers = {};

		var i, len;

		if (layers) {
			for (i = 0, len = layers.length; i < len; i++) {
				this.addLayer(layers[i]);
			}
		}
	},

	// @method addLayer(layer: Layer): this
	// Adds the given layer to the group.
	addLayer: function (layer) {
		var id = this.getLayerId(layer);

		this._layers[id] = layer;

		if (this._map) {
			this._map.addLayer(layer);
		}

		return this;
	},

	// @method removeLayer(layer: Layer): this
	// Removes the given layer from the group.
	// @alternative
	// @method removeLayer(id: Number): this
	// Removes the layer with the given internal ID from the group.
	removeLayer: function (layer) {
		var id = layer in this._layers ? layer : this.getLayerId(layer);

		if (this._map && this._layers[id]) {
			this._map.removeLayer(this._layers[id]);
		}

		delete this._layers[id];

		return this;
	},

	// @method hasLayer(layer: Layer): Boolean
	// Returns `true` if the given layer is currently added to the group.
	hasLayer: function (layer) {
		return !!layer && (layer in this._layers || this.getLayerId(layer) in this._layers);
	},

	// @method clearLayers(): this
	// Removes all the layers from the group.
	clearLayers: function () {
		for (var i in this._layers) {
			this.removeLayer(this._layers[i]);
		}
		return this;
	},

	// @method invoke(methodName: String, …): this
	// Calls `methodName` on every layer contained in this group, passing any
	// additional parameters. Has no effect if the layers contained do not
	// implement `methodName`.
	invoke: function (methodName) {
		var args = Array.prototype.slice.call(arguments, 1),
		    i, layer;

		for (i in this._layers) {
			layer = this._layers[i];

			if (layer[methodName]) {
				layer[methodName].apply(layer, args);
			}
		}

		return this;
	},

	onAdd: function (map) {
		for (var i in this._layers) {
			map.addLayer(this._layers[i]);
		}
	},

	onRemove: function (map) {
		for (var i in this._layers) {
			map.removeLayer(this._layers[i]);
		}
	},

	// @method eachLayer(fn: Function, context?: Object): this
	// Iterates over the layers of the group, optionally specifying context of the iterator function.
	// ```js
	// group.eachLayer(function (layer) {
	// 	layer.bindPopup('Hello');
	// });
	// ```
	eachLayer: function (method, context) {
		for (var i in this._layers) {
			method.call(context, this._layers[i]);
		}
		return this;
	},

	// @method getLayer(id: Number): Layer
	// Returns the layer with the given internal ID.
	getLayer: function (id) {
		return this._layers[id];
	},

	// @method getLayers(): Layer[]
	// Returns an array of all the layers added to the group.
	getLayers: function () {
		var layers = [];

		for (var i in this._layers) {
			layers.push(this._layers[i]);
		}
		return layers;
	},

	// @method setZIndex(zIndex: Number): this
	// Calls `setZIndex` on every layer contained in this group, passing the z-index.
	setZIndex: function (zIndex) {
		return this.invoke('setZIndex', zIndex);
	},

	// @method getLayerId(layer: Layer): Number
	// Returns the internal ID for a layer
	getLayerId: function (layer) {
		return L.stamp(layer);
	}
});


// @factory L.layerGroup(layers: Layer[])
// Create a layer group, optionally given an initial set of layers.
L.layerGroup = function (layers) {
	return new L.LayerGroup(layers);
};



/*
 * @class FeatureGroup
 * @aka L.FeatureGroup
 * @inherits LayerGroup
 *
 * Extended `LayerGroup` that makes it easier to do the same thing to all its member layers:
 *  * [`bindPopup`](#layer-bindpopup) binds a popup to all of the layers at once (likewise with [`bindTooltip`](#layer-bindtooltip))
 *  * Events are propagated to the `FeatureGroup`, so if the group has an event
 * handler, it will handle events from any of the layers. This includes mouse events
 * and custom events.
 *  * Has `layeradd` and `layerremove` events
 *
 * @example
 *
 * ```js
 * L.featureGroup([marker1, marker2, polyline])
 * 	.bindPopup('Hello world!')
 * 	.on('click', function() { alert('Clicked on a member of the group!'); })
 * 	.addTo(map);
 * ```
 */

L.FeatureGroup = L.LayerGroup.extend({

	addLayer: function (layer) {
		if (this.hasLayer(layer)) {
			return this;
		}

		layer.addEventParent(this);

		L.LayerGroup.prototype.addLayer.call(this, layer);

		// @event layeradd: LayerEvent
		// Fired when a layer is added to this `FeatureGroup`
		return this.fire('layeradd', {layer: layer});
	},

	removeLayer: function (layer) {
		if (!this.hasLayer(layer)) {
			return this;
		}
		if (layer in this._layers) {
			layer = this._layers[layer];
		}

		layer.removeEventParent(this);

		L.LayerGroup.prototype.removeLayer.call(this, layer);

		// @event layerremove: LayerEvent
		// Fired when a layer is removed from this `FeatureGroup`
		return this.fire('layerremove', {layer: layer});
	},

	// @method setStyle(style: Path options): this
	// Sets the given path options to each layer of the group that has a `setStyle` method.
	setStyle: function (style) {
		return this.invoke('setStyle', style);
	},

	// @method bringToFront(): this
	// Brings the layer group to the top of all other layers
	bringToFront: function () {
		return this.invoke('bringToFront');
	},

	// @method bringToBack(): this
	// Brings the layer group to the top of all other layers
	bringToBack: function () {
		return this.invoke('bringToBack');
	},

	// @method getBounds(): LatLngBounds
	// Returns the LatLngBounds of the Feature Group (created from bounds and coordinates of its children).
	getBounds: function () {
		var bounds = new L.LatLngBounds();

		for (var id in this._layers) {
			var layer = this._layers[id];
			bounds.extend(layer.getBounds ? layer.getBounds() : layer.getLatLng());
		}
		return bounds;
	}
});

// @factory L.featureGroup(layers: Layer[])
// Create a feature group, optionally given an initial set of layers.
L.featureGroup = function (layers) {
	return new L.FeatureGroup(layers);
};



/*
 * @class Renderer
 * @inherits Layer
 * @aka L.Renderer
 *
 * Base class for vector renderer implementations (`SVG`, `Canvas`). Handles the
 * DOM container of the renderer, its bounds, and its zoom animation.
 *
 * A `Renderer` works as an implicit layer group for all `Path`s - the renderer
 * itself can be added or removed to the map. All paths use a renderer, which can
 * be implicit (the map will decide the type of renderer and use it automatically)
 * or explicit (using the [`renderer`](#path-renderer) option of the path).
 *
 * Do not use this class directly, use `SVG` and `Canvas` instead.
 *
 * @event update: Event
 * Fired when the renderer updates its bounds, center and zoom, for example when
 * its map has moved
 */

L.Renderer = L.Layer.extend({

	// @section
	// @aka Renderer options
	options: {
		// @option padding: Number = 0.1
		// How much to extend the clip area around the map view (relative to its size)
		// e.g. 0.1 would be 10% of map view in each direction
		padding: 0.1
	},

	initialize: function (options) {
		L.setOptions(this, options);
		L.stamp(this);
	},

	onAdd: function () {
		if (!this._container) {
			this._initContainer(); // defined by renderer implementations

			if (this._zoomAnimated) {
				L.DomUtil.addClass(this._container, 'leaflet-zoom-animated');
			}
		}

		this.getPane().appendChild(this._container);
		this._update();
	},

	onRemove: function () {
		L.DomUtil.remove(this._container);
	},

	getEvents: function () {
		var events = {
			viewreset: this._reset,
			zoom: this._onZoom,
			moveend: this._update
		};
		if (this._zoomAnimated) {
			events.zoomanim = this._onAnimZoom;
		}
		return events;
	},

	_onAnimZoom: function (ev) {
		this._updateTransform(ev.center, ev.zoom);
	},

	_onZoom: function () {
		this._updateTransform(this._map.getCenter(), this._map.getZoom());
	},

	_updateTransform: function (center, zoom) {
		var scale = this._map.getZoomScale(zoom, this._zoom),
		    position = L.DomUtil.getPosition(this._container),
		    viewHalf = this._map.getSize().multiplyBy(0.5 + this.options.padding),
		    currentCenterPoint = this._map.project(this._center, zoom),
		    destCenterPoint = this._map.project(center, zoom),
		    centerOffset = destCenterPoint.subtract(currentCenterPoint),

		    topLeftOffset = viewHalf.multiplyBy(-scale).add(position).add(viewHalf).subtract(centerOffset);

		if (L.Browser.any3d) {
			L.DomUtil.setTransform(this._container, topLeftOffset, scale);
		} else {
			L.DomUtil.setPosition(this._container, topLeftOffset);
		}
	},

	_reset: function () {
		this._update();
		this._updateTransform(this._center, this._zoom);
	},

	_update: function () {
		// Update pixel bounds of renderer container (for positioning/sizing/clipping later)
		// Subclasses are responsible of firing the 'update' event.
		var p = this.options.padding,
		    size = this._map.getSize(),
		    min = this._map.containerPointToLayerPoint(size.multiplyBy(-p)).round();

		this._bounds = new L.Bounds(min, min.add(size.multiplyBy(1 + p * 2)).round());

		this._center = this._map.getCenter();
		this._zoom = this._map.getZoom();
	}
});


L.Map.include({
	// @namespace Map; @method getRenderer(layer: Path): Renderer
	// Returns the instance of `Renderer` that should be used to render the given
	// `Path`. It will ensure that the `renderer` options of the map and paths
	// are respected, and that the renderers do exist on the map.
	getRenderer: function (layer) {
		// @namespace Path; @option renderer: Renderer
		// Use this specific instance of `Renderer` for this path. Takes
		// precedence over the map's [default renderer](#map-renderer).
		var renderer = layer.options.renderer || this._getPaneRenderer(layer.options.pane) || this.options.renderer || this._renderer;

		if (!renderer) {
			// @namespace Map; @option preferCanvas: Boolean = false
			// Whether `Path`s should be rendered on a `Canvas` renderer.
			// By default, all `Path`s are rendered in a `SVG` renderer.
			renderer = this._renderer = (this.options.preferCanvas && L.canvas()) || L.svg();
		}

		if (!this.hasLayer(renderer)) {
			this.addLayer(renderer);
		}
		return renderer;
	},

	_getPaneRenderer: function (name) {
		if (name === 'overlayPane' || name === undefined) {
			return false;
		}

		var renderer = this._paneRenderers[name];
		if (renderer === undefined) {
			renderer = (L.SVG && L.svg({pane: name})) || (L.Canvas && L.canvas({pane: name}));
			this._paneRenderers[name] = renderer;
		}
		return renderer;
	}
});



/*
 * @class Path
 * @aka L.Path
 * @inherits Interactive layer
 *
 * An abstract class that contains options and constants shared between vector
 * overlays (Polygon, Polyline, Circle). Do not use it directly. Extends `Layer`.
 */

L.Path = L.Layer.extend({

	// @section
	// @aka Path options
	options: {
		// @option stroke: Boolean = true
		// Whether to draw stroke along the path. Set it to `false` to disable borders on polygons or circles.
		stroke: true,

		// @option color: String = '#3388ff'
		// Stroke color
		color: '#3388ff',

		// @option weight: Number = 3
		// Stroke width in pixels
		weight: 3,

		// @option opacity: Number = 1.0
		// Stroke opacity
		opacity: 1,

		// @option lineCap: String= 'round'
		// A string that defines [shape to be used at the end](https://developer.mozilla.org/docs/Web/SVG/Attribute/stroke-linecap) of the stroke.
		lineCap: 'round',

		// @option lineJoin: String = 'round'
		// A string that defines [shape to be used at the corners](https://developer.mozilla.org/docs/Web/SVG/Attribute/stroke-linejoin) of the stroke.
		lineJoin: 'round',

		// @option dashArray: String = null
		// A string that defines the stroke [dash pattern](https://developer.mozilla.org/docs/Web/SVG/Attribute/stroke-dasharray). Doesn't work on `Canvas`-powered layers in [some old browsers](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/setLineDash#Browser_compatibility).
		dashArray: null,

		// @option dashOffset: String = null
		// A string that defines the [distance into the dash pattern to start the dash](https://developer.mozilla.org/docs/Web/SVG/Attribute/stroke-dashoffset). Doesn't work on `Canvas`-powered layers in [some old browsers](https://developer.mozilla.org/docs/Web/API/CanvasRenderingContext2D/setLineDash#Browser_compatibility).
		dashOffset: null,

		// @option fill: Boolean = depends
		// Whether to fill the path with color. Set it to `false` to disable filling on polygons or circles.
		fill: false,

		// @option fillColor: String = *
		// Fill color. Defaults to the value of the [`color`](#path-color) option
		fillColor: null,

		// @option fillOpacity: Number = 0.2
		// Fill opacity.
		fillOpacity: 0.2,

		// @option fillRule: String = 'evenodd'
		// A string that defines [how the inside of a shape](https://developer.mozilla.org/docs/Web/SVG/Attribute/fill-rule) is determined.
		fillRule: 'evenodd',

		// className: '',

		// Option inherited from "Interactive layer" abstract class
		interactive: true
	},

	beforeAdd: function (map) {
		// Renderer is set here because we need to call renderer.getEvents
		// before this.getEvents.
		this._renderer = map.getRenderer(this);
	},

	onAdd: function () {
		this._renderer._initPath(this);
		this._reset();
		this._renderer._addPath(this);
		this._renderer.on('update', this._update, this);
	},

	onRemove: function () {
		this._renderer._removePath(this);
		this._renderer.off('update', this._update, this);
	},

	getEvents: function () {
		return {
			zoomend: this._project,
			viewreset: this._reset
		};
	},

	// @method redraw(): this
	// Redraws the layer. Sometimes useful after you changed the coordinates that the path uses.
	redraw: function () {
		if (this._map) {
			this._renderer._updatePath(this);
		}
		return this;
	},

	// @method setStyle(style: Path options): this
	// Changes the appearance of a Path based on the options in the `Path options` object.
	setStyle: function (style) {
		L.setOptions(this, style);
		if (this._renderer) {
			this._renderer._updateStyle(this);
		}
		return this;
	},

	// @method bringToFront(): this
	// Brings the layer to the top of all path layers.
	bringToFront: function () {
		if (this._renderer) {
			this._renderer._bringToFront(this);
		}
		return this;
	},

	// @method bringToBack(): this
	// Brings the layer to the bottom of all path layers.
	bringToBack: function () {
		if (this._renderer) {
			this._renderer._bringToBack(this);
		}
		return this;
	},

	getElement: function () {
		return this._path;
	},

	_reset: function () {
		// defined in children classes
		this._project();
		this._update();
	},

	_clickTolerance: function () {
		// used when doing hit detection for Canvas layers
		return (this.options.stroke ? this.options.weight / 2 : 0) + (L.Browser.touch ? 10 : 0);
	}
});



/*
 * @namespace LineUtil
 *
 * Various utility functions for polyine points processing, used by Leaflet internally to make polylines lightning-fast.
 */

L.LineUtil = {

	// Simplify polyline with vertex reduction and Douglas-Peucker simplification.
	// Improves rendering performance dramatically by lessening the number of points to draw.

	// @function simplify(points: Point[], tolerance: Number): Point[]
	// Dramatically reduces the number of points in a polyline while retaining
	// its shape and returns a new array of simplified points, using the
	// [Douglas-Peucker algorithm](http://en.wikipedia.org/wiki/Douglas-Peucker_algorithm).
	// Used for a huge performance boost when processing/displaying Leaflet polylines for
	// each zoom level and also reducing visual noise. tolerance affects the amount of
	// simplification (lesser value means higher quality but slower and with more points).
	// Also released as a separated micro-library [Simplify.js](http://mourner.github.com/simplify-js/).
	simplify: function (points, tolerance) {
		if (!tolerance || !points.length) {
			return points.slice();
		}

		var sqTolerance = tolerance * tolerance;

		// stage 1: vertex reduction
		points = this._reducePoints(points, sqTolerance);

		// stage 2: Douglas-Peucker simplification
		points = this._simplifyDP(points, sqTolerance);

		return points;
	},

	// @function pointToSegmentDistance(p: Point, p1: Point, p2: Point): Number
	// Returns the distance between point `p` and segment `p1` to `p2`.
	pointToSegmentDistance:  function (p, p1, p2) {
		return Math.sqrt(this._sqClosestPointOnSegment(p, p1, p2, true));
	},

	// @function closestPointOnSegment(p: Point, p1: Point, p2: Point): Number
	// Returns the closest point from a point `p` on a segment `p1` to `p2`.
	closestPointOnSegment: function (p, p1, p2) {
		return this._sqClosestPointOnSegment(p, p1, p2);
	},

	// Douglas-Peucker simplification, see http://en.wikipedia.org/wiki/Douglas-Peucker_algorithm
	_simplifyDP: function (points, sqTolerance) {

		var len = points.length,
		    ArrayConstructor = typeof Uint8Array !== undefined + '' ? Uint8Array : Array,
		    markers = new ArrayConstructor(len);

		markers[0] = markers[len - 1] = 1;

		this._simplifyDPStep(points, markers, sqTolerance, 0, len - 1);

		var i,
		    newPoints = [];

		for (i = 0; i < len; i++) {
			if (markers[i]) {
				newPoints.push(points[i]);
			}
		}

		return newPoints;
	},

	_simplifyDPStep: function (points, markers, sqTolerance, first, last) {

		var maxSqDist = 0,
		    index, i, sqDist;

		for (i = first + 1; i <= last - 1; i++) {
			sqDist = this._sqClosestPointOnSegment(points[i], points[first], points[last], true);

			if (sqDist > maxSqDist) {
				index = i;
				maxSqDist = sqDist;
			}
		}

		if (maxSqDist > sqTolerance) {
			markers[index] = 1;

			this._simplifyDPStep(points, markers, sqTolerance, first, index);
			this._simplifyDPStep(points, markers, sqTolerance, index, last);
		}
	},

	// reduce points that are too close to each other to a single point
	_reducePoints: function (points, sqTolerance) {
		var reducedPoints = [points[0]];

		for (var i = 1, prev = 0, len = points.length; i < len; i++) {
			if (this._sqDist(points[i], points[prev]) > sqTolerance) {
				reducedPoints.push(points[i]);
				prev = i;
			}
		}
		if (prev < len - 1) {
			reducedPoints.push(points[len - 1]);
		}
		return reducedPoints;
	},


	// @function clipSegment(a: Point, b: Point, bounds: Bounds, useLastCode?: Boolean, round?: Boolean): Point[]|Boolean
	// Clips the segment a to b by rectangular bounds with the
	// [Cohen-Sutherland algorithm](https://en.wikipedia.org/wiki/Cohen%E2%80%93Sutherland_algorithm)
	// (modifying the segment points directly!). Used by Leaflet to only show polyline
	// points that are on the screen or near, increasing performance.
	clipSegment: function (a, b, bounds, useLastCode, round) {
		var codeA = useLastCode ? this._lastCode : this._getBitCode(a, bounds),
		    codeB = this._getBitCode(b, bounds),

		    codeOut, p, newCode;

		// save 2nd code to avoid calculating it on the next segment
		this._lastCode = codeB;

		while (true) {
			// if a,b is inside the clip window (trivial accept)
			if (!(codeA | codeB)) {
				return [a, b];
			}

			// if a,b is outside the clip window (trivial reject)
			if (codeA & codeB) {
				return false;
			}

			// other cases
			codeOut = codeA || codeB;
			p = this._getEdgeIntersection(a, b, codeOut, bounds, round);
			newCode = this._getBitCode(p, bounds);

			if (codeOut === codeA) {
				a = p;
				codeA = newCode;
			} else {
				b = p;
				codeB = newCode;
			}
		}
	},

	_getEdgeIntersection: function (a, b, code, bounds, round) {
		var dx = b.x - a.x,
		    dy = b.y - a.y,
		    min = bounds.min,
		    max = bounds.max,
		    x, y;

		if (code & 8) { // top
			x = a.x + dx * (max.y - a.y) / dy;
			y = max.y;

		} else if (code & 4) { // bottom
			x = a.x + dx * (min.y - a.y) / dy;
			y = min.y;

		} else if (code & 2) { // right
			x = max.x;
			y = a.y + dy * (max.x - a.x) / dx;

		} else if (code & 1) { // left
			x = min.x;
			y = a.y + dy * (min.x - a.x) / dx;
		}

		return new L.Point(x, y, round);
	},

	_getBitCode: function (p, bounds) {
		var code = 0;

		if (p.x < bounds.min.x) { // left
			code |= 1;
		} else if (p.x > bounds.max.x) { // right
			code |= 2;
		}

		if (p.y < bounds.min.y) { // bottom
			code |= 4;
		} else if (p.y > bounds.max.y) { // top
			code |= 8;
		}

		return code;
	},

	// square distance (to avoid unnecessary Math.sqrt calls)
	_sqDist: function (p1, p2) {
		var dx = p2.x - p1.x,
		    dy = p2.y - p1.y;
		return dx * dx + dy * dy;
	},

	// return closest point on segment or distance to that point
	_sqClosestPointOnSegment: function (p, p1, p2, sqDist) {
		var x = p1.x,
		    y = p1.y,
		    dx = p2.x - x,
		    dy = p2.y - y,
		    dot = dx * dx + dy * dy,
		    t;

		if (dot > 0) {
			t = ((p.x - x) * dx + (p.y - y) * dy) / dot;

			if (t > 1) {
				x = p2.x;
				y = p2.y;
			} else if (t > 0) {
				x += dx * t;
				y += dy * t;
			}
		}

		dx = p.x - x;
		dy = p.y - y;

		return sqDist ? dx * dx + dy * dy : new L.Point(x, y);
	}
};



/*
 * @class Polyline
 * @aka L.Polyline
 * @inherits Path
 *
 * A class for drawing polyline overlays on a map. Extends `Path`.
 *
 * @example
 *
 * ```js
 * // create a red polyline from an array of LatLng points
 * var latlngs = [
 * 	[-122.68, 45.51],
 * 	[-122.43, 37.77],
 * 	[-118.2, 34.04]
 * ];
 *
 * var polyline = L.polyline(latlngs, {color: 'red'}).addTo(map);
 *
 * // zoom the map to the polyline
 * map.fitBounds(polyline.getBounds());
 * ```
 *
 * You can also pass a multi-dimensional array to represent a `MultiPolyline` shape:
 *
 * ```js
 * // create a red polyline from an array of arrays of LatLng points
 * var latlngs = [
 * 	[[-122.68, 45.51],
 * 	 [-122.43, 37.77],
 * 	 [-118.2, 34.04]],
 * 	[[-73.91, 40.78],
 * 	 [-87.62, 41.83],
 * 	 [-96.72, 32.76]]
 * ];
 * ```
 */

L.Polyline = L.Path.extend({

	// @section
	// @aka Polyline options
	options: {
		// @option smoothFactor: Number = 1.0
		// How much to simplify the polyline on each zoom level. More means
		// better performance and smoother look, and less means more accurate representation.
		smoothFactor: 1.0,

		// @option noClip: Boolean = false
		// Disable polyline clipping.
		noClip: false
	},

	initialize: function (latlngs, options) {
		L.setOptions(this, options);
		this._setLatLngs(latlngs);
	},

	// @method getLatLngs(): LatLng[]
	// Returns an array of the points in the path, or nested arrays of points in case of multi-polyline.
	getLatLngs: function () {
		return this._latlngs;
	},

	// @method setLatLngs(latlngs: LatLng[]): this
	// Replaces all the points in the polyline with the given array of geographical points.
	setLatLngs: function (latlngs) {
		this._setLatLngs(latlngs);
		return this.redraw();
	},

	// @method isEmpty(): Boolean
	// Returns `true` if the Polyline has no LatLngs.
	isEmpty: function () {
		return !this._latlngs.length;
	},

	closestLayerPoint: function (p) {
		var minDistance = Infinity,
		    minPoint = null,
		    closest = L.LineUtil._sqClosestPointOnSegment,
		    p1, p2;

		for (var j = 0, jLen = this._parts.length; j < jLen; j++) {
			var points = this._parts[j];

			for (var i = 1, len = points.length; i < len; i++) {
				p1 = points[i - 1];
				p2 = points[i];

				var sqDist = closest(p, p1, p2, true);

				if (sqDist < minDistance) {
					minDistance = sqDist;
					minPoint = closest(p, p1, p2);
				}
			}
		}
		if (minPoint) {
			minPoint.distance = Math.sqrt(minDistance);
		}
		return minPoint;
	},

	// @method getCenter(): LatLng
	// Returns the center ([centroid](http://en.wikipedia.org/wiki/Centroid)) of the polyline.
	getCenter: function () {
		// throws error when not yet added to map as this center calculation requires projected coordinates
		if (!this._map) {
			throw new Error('Must add layer to map before using getCenter()');
		}

		var i, halfDist, segDist, dist, p1, p2, ratio,
		    points = this._rings[0],
		    len = points.length;

		if (!len) { return null; }

		// polyline centroid algorithm; only uses the first ring if there are multiple

		for (i = 0, halfDist = 0; i < len - 1; i++) {
			halfDist += points[i].distanceTo(points[i + 1]) / 2;
		}

		// The line is so small in the current view that all points are on the same pixel.
		if (halfDist === 0) {
			return this._map.layerPointToLatLng(points[0]);
		}

		for (i = 0, dist = 0; i < len - 1; i++) {
			p1 = points[i];
			p2 = points[i + 1];
			segDist = p1.distanceTo(p2);
			dist += segDist;

			if (dist > halfDist) {
				ratio = (dist - halfDist) / segDist;
				return this._map.layerPointToLatLng([
					p2.x - ratio * (p2.x - p1.x),
					p2.y - ratio * (p2.y - p1.y)
				]);
			}
		}
	},

	// @method getBounds(): LatLngBounds
	// Returns the `LatLngBounds` of the path.
	getBounds: function () {
		return this._bounds;
	},

	// @method addLatLng(latlng: LatLng, latlngs? LatLng[]): this
	// Adds a given point to the polyline. By default, adds to the first ring of
	// the polyline in case of a multi-polyline, but can be overridden by passing
	// a specific ring as a LatLng array (that you can earlier access with [`getLatLngs`](#polyline-getlatlngs)).
	addLatLng: function (latlng, latlngs) {
		latlngs = latlngs || this._defaultShape();
		latlng = L.latLng(latlng);
		latlngs.push(latlng);
		this._bounds.extend(latlng);
		return this.redraw();
	},

	_setLatLngs: function (latlngs) {
		this._bounds = new L.LatLngBounds();
		this._latlngs = this._convertLatLngs(latlngs);
	},

	_defaultShape: function () {
		return L.Polyline._flat(this._latlngs) ? this._latlngs : this._latlngs[0];
	},

	// recursively convert latlngs input into actual LatLng instances; calculate bounds along the way
	_convertLatLngs: function (latlngs) {
		var result = [],
		    flat = L.Polyline._flat(latlngs);

		for (var i = 0, len = latlngs.length; i < len; i++) {
			if (flat) {
				result[i] = L.latLng(latlngs[i]);
				this._bounds.extend(result[i]);
			} else {
				result[i] = this._convertLatLngs(latlngs[i]);
			}
		}

		return result;
	},

	_project: function () {
		var pxBounds = new L.Bounds();
		this._rings = [];
		this._projectLatlngs(this._latlngs, this._rings, pxBounds);

		var w = this._clickTolerance(),
		    p = new L.Point(w, w);

		if (this._bounds.isValid() && pxBounds.isValid()) {
			pxBounds.min._subtract(p);
			pxBounds.max._add(p);
			this._pxBounds = pxBounds;
		}
	},

	// recursively turns latlngs into a set of rings with projected coordinates
	_projectLatlngs: function (latlngs, result, projectedBounds) {
		var flat = latlngs[0] instanceof L.LatLng,
		    len = latlngs.length,
		    i, ring;

		if (flat) {
			ring = [];
			for (i = 0; i < len; i++) {
				ring[i] = this._map.latLngToLayerPoint(latlngs[i]);
				projectedBounds.extend(ring[i]);
			}
			result.push(ring);
		} else {
			for (i = 0; i < len; i++) {
				this._projectLatlngs(latlngs[i], result, projectedBounds);
			}
		}
	},

	// clip polyline by renderer bounds so that we have less to render for performance
	_clipPoints: function () {
		var bounds = this._renderer._bounds;

		this._parts = [];
		if (!this._pxBounds || !this._pxBounds.intersects(bounds)) {
			return;
		}

		if (this.options.noClip) {
			this._parts = this._rings;
			return;
		}

		var parts = this._parts,
		    i, j, k, len, len2, segment, points;

		for (i = 0, k = 0, len = this._rings.length; i < len; i++) {
			points = this._rings[i];

			for (j = 0, len2 = points.length; j < len2 - 1; j++) {
				segment = L.LineUtil.clipSegment(points[j], points[j + 1], bounds, j, true);

				if (!segment) { continue; }

				parts[k] = parts[k] || [];
				parts[k].push(segment[0]);

				// if segment goes out of screen, or it's the last one, it's the end of the line part
				if ((segment[1] !== points[j + 1]) || (j === len2 - 2)) {
					parts[k].push(segment[1]);
					k++;
				}
			}
		}
	},

	// simplify each clipped part of the polyline for performance
	_simplifyPoints: function () {
		var parts = this._parts,
		    tolerance = this.options.smoothFactor;

		for (var i = 0, len = parts.length; i < len; i++) {
			parts[i] = L.LineUtil.simplify(parts[i], tolerance);
		}
	},

	_update: function () {
		if (!this._map) { return; }

		this._clipPoints();
		this._simplifyPoints();
		this._updatePath();
	},

	_updatePath: function () {
		this._renderer._updatePoly(this);
	}
});

// @factory L.polyline(latlngs: LatLng[], options?: Polyline options)
// Instantiates a polyline object given an array of geographical points and
// optionally an options object. You can create a `Polyline` object with
// multiple separate lines (`MultiPolyline`) by passing an array of arrays
// of geographic points.
L.polyline = function (latlngs, options) {
	return new L.Polyline(latlngs, options);
};

L.Polyline._flat = function (latlngs) {
	// true if it's a flat array of latlngs; false if nested
	return !L.Util.isArray(latlngs[0]) || (typeof latlngs[0][0] !== 'object' && typeof latlngs[0][0] !== 'undefined');
};



/*
 * @namespace PolyUtil
 * Various utility functions for polygon geometries.
 */

L.PolyUtil = {};

/* @function clipPolygon(points: Point[], bounds: Bounds, round?: Boolean): Point[]
 * Clips the polygon geometry defined by the given `points` by the given bounds (using the [Sutherland-Hodgeman algorithm](https://en.wikipedia.org/wiki/Sutherland%E2%80%93Hodgman_algorithm)).
 * Used by Leaflet to only show polygon points that are on the screen or near, increasing
 * performance. Note that polygon points needs different algorithm for clipping
 * than polyline, so there's a seperate method for it.
 */
L.PolyUtil.clipPolygon = function (points, bounds, round) {
	var clippedPoints,
	    edges = [1, 4, 2, 8],
	    i, j, k,
	    a, b,
	    len, edge, p,
	    lu = L.LineUtil;

	for (i = 0, len = points.length; i < len; i++) {
		points[i]._code = lu._getBitCode(points[i], bounds);
	}

	// for each edge (left, bottom, right, top)
	for (k = 0; k < 4; k++) {
		edge = edges[k];
		clippedPoints = [];

		for (i = 0, len = points.length, j = len - 1; i < len; j = i++) {
			a = points[i];
			b = points[j];

			// if a is inside the clip window
			if (!(a._code & edge)) {
				// if b is outside the clip window (a->b goes out of screen)
				if (b._code & edge) {
					p = lu._getEdgeIntersection(b, a, edge, bounds, round);
					p._code = lu._getBitCode(p, bounds);
					clippedPoints.push(p);
				}
				clippedPoints.push(a);

			// else if b is inside the clip window (a->b enters the screen)
			} else if (!(b._code & edge)) {
				p = lu._getEdgeIntersection(b, a, edge, bounds, round);
				p._code = lu._getBitCode(p, bounds);
				clippedPoints.push(p);
			}
		}
		points = clippedPoints;
	}

	return points;
};



/*
 * @class Polygon
 * @aka L.Polygon
 * @inherits Polyline
 *
 * A class for drawing polygon overlays on a map. Extends `Polyline`.
 *
 * Note that points you pass when creating a polygon shouldn't have an additional last point equal to the first one — it's better to filter out such points.
 *
 *
 * @example
 *
 * ```js
 * // create a red polygon from an array of LatLng points
 * var latlngs = [[-111.03, 41],[-111.04, 45],[-104.05, 45],[-104.05, 41]];
 *
 * var polygon = L.polygon(latlngs, {color: 'red'}).addTo(map);
 *
 * // zoom the map to the polygon
 * map.fitBounds(polygon.getBounds());
 * ```
 *
 * You can also pass an array of arrays of latlngs, with the first array representing the outer shape and the other arrays representing holes in the outer shape:
 *
 * ```js
 * var latlngs = [
 *   [[-111.03, 41],[-111.04, 45],[-104.05, 45],[-104.05, 41]], // outer ring
 *   [[-108.58,37.29],[-108.58,40.71],[-102.50,40.71],[-102.50,37.29]] // hole
 * ];
 * ```
 *
 * Additionally, you can pass a multi-dimensional array to represent a MultiPolygon shape.
 *
 * ```js
 * var latlngs = [
 *   [ // first polygon
 *     [[-111.03, 41],[-111.04, 45],[-104.05, 45],[-104.05, 41]], // outer ring
 *     [[-108.58,37.29],[-108.58,40.71],[-102.50,40.71],[-102.50,37.29]] // hole
 *   ],
 *   [ // second polygon
 *     [[-109.05, 37],[-109.03, 41],[-102.05, 41],[-102.04, 37],[-109.05, 38]]
 *   ]
 * ];
 * ```
 */

L.Polygon = L.Polyline.extend({

	options: {
		fill: true
	},

	isEmpty: function () {
		return !this._latlngs.length || !this._latlngs[0].length;
	},

	getCenter: function () {
		// throws error when not yet added to map as this center calculation requires projected coordinates
		if (!this._map) {
			throw new Error('Must add layer to map before using getCenter()');
		}

		var i, j, p1, p2, f, area, x, y, center,
		    points = this._rings[0],
		    len = points.length;

		if (!len) { return null; }

		// polygon centroid algorithm; only uses the first ring if there are multiple

		area = x = y = 0;

		for (i = 0, j = len - 1; i < len; j = i++) {
			p1 = points[i];
			p2 = points[j];

			f = p1.y * p2.x - p2.y * p1.x;
			x += (p1.x + p2.x) * f;
			y += (p1.y + p2.y) * f;
			area += f * 3;
		}

		if (area === 0) {
			// Polygon is so small that all points are on same pixel.
			center = points[0];
		} else {
			center = [x / area, y / area];
		}
		return this._map.layerPointToLatLng(center);
	},

	_convertLatLngs: function (latlngs) {
		var result = L.Polyline.prototype._convertLatLngs.call(this, latlngs),
		    len = result.length;

		// remove last point if it equals first one
		if (len >= 2 && result[0] instanceof L.LatLng && result[0].equals(result[len - 1])) {
			result.pop();
		}
		return result;
	},

	_setLatLngs: function (latlngs) {
		L.Polyline.prototype._setLatLngs.call(this, latlngs);
		if (L.Polyline._flat(this._latlngs)) {
			this._latlngs = [this._latlngs];
		}
	},

	_defaultShape: function () {
		return L.Polyline._flat(this._latlngs[0]) ? this._latlngs[0] : this._latlngs[0][0];
	},

	_clipPoints: function () {
		// polygons need a different clipping algorithm so we redefine that

		var bounds = this._renderer._bounds,
		    w = this.options.weight,
		    p = new L.Point(w, w);

		// increase clip padding by stroke width to avoid stroke on clip edges
		bounds = new L.Bounds(bounds.min.subtract(p), bounds.max.add(p));

		this._parts = [];
		if (!this._pxBounds || !this._pxBounds.intersects(bounds)) {
			return;
		}

		if (this.options.noClip) {
			this._parts = this._rings;
			return;
		}

		for (var i = 0, len = this._rings.length, clipped; i < len; i++) {
			clipped = L.PolyUtil.clipPolygon(this._rings[i], bounds, true);
			if (clipped.length) {
				this._parts.push(clipped);
			}
		}
	},

	_updatePath: function () {
		this._renderer._updatePoly(this, true);
	}
});


// @factory L.polygon(latlngs: LatLng[], options?: Polyline options)
L.polygon = function (latlngs, options) {
	return new L.Polygon(latlngs, options);
};



/*
 * L.Rectangle extends Polygon and creates a rectangle when passed a LatLngBounds object.
 */

/*
 * @class Rectangle
 * @aka L.Retangle
 * @inherits Polygon
 *
 * A class for drawing rectangle overlays on a map. Extends `Polygon`.
 *
 * @example
 *
 * ```js
 * // define rectangle geographical bounds
 * var bounds = [[54.559322, -5.767822], [56.1210604, -3.021240]];
 *
 * // create an orange rectangle
 * L.rectangle(bounds, {color: "#ff7800", weight: 1}).addTo(map);
 *
 * // zoom the map to the rectangle bounds
 * map.fitBounds(bounds);
 * ```
 *
 */


L.Rectangle = L.Polygon.extend({
	initialize: function (latLngBounds, options) {
		L.Polygon.prototype.initialize.call(this, this._boundsToLatLngs(latLngBounds), options);
	},

	// @method setBounds(latLngBounds: LatLngBounds): this
	// Redraws the rectangle with the passed bounds.
	setBounds: function (latLngBounds) {
		return this.setLatLngs(this._boundsToLatLngs(latLngBounds));
	},

	_boundsToLatLngs: function (latLngBounds) {
		latLngBounds = L.latLngBounds(latLngBounds);
		return [
			latLngBounds.getSouthWest(),
			latLngBounds.getNorthWest(),
			latLngBounds.getNorthEast(),
			latLngBounds.getSouthEast()
		];
	}
});


// @factory L.rectangle(latLngBounds: LatLngBounds, options?: Polyline options)
L.rectangle = function (latLngBounds, options) {
	return new L.Rectangle(latLngBounds, options);
};



/*
 * @class CircleMarker
 * @aka L.CircleMarker
 * @inherits Path
 *
 * A circle of a fixed size with radius specified in pixels. Extends `Path`.
 */

L.CircleMarker = L.Path.extend({

	// @section
	// @aka CircleMarker options
	options: {
		fill: true,

		// @option radius: Number = 10
		// Radius of the circle marker, in pixels
		radius: 10
	},

	initialize: function (latlng, options) {
		L.setOptions(this, options);
		this._latlng = L.latLng(latlng);
		this._radius = this.options.radius;
	},

	// @method setLatLng(latLng: LatLng): this
	// Sets the position of a circle marker to a new location.
	setLatLng: function (latlng) {
		this._latlng = L.latLng(latlng);
		this.redraw();
		return this.fire('move', {latlng: this._latlng});
	},

	// @method getLatLng(): LatLng
	// Returns the current geographical position of the circle marker
	getLatLng: function () {
		return this._latlng;
	},

	// @method setRadius(radius: Number): this
	// Sets the radius of a circle marker. Units are in pixels.
	setRadius: function (radius) {
		this.options.radius = this._radius = radius;
		return this.redraw();
	},

	// @method getRadius(): Number
	// Returns the current radius of the circle
	getRadius: function () {
		return this._radius;
	},

	setStyle : function (options) {
		var radius = options && options.radius || this._radius;
		L.Path.prototype.setStyle.call(this, options);
		this.setRadius(radius);
		return this;
	},

	_project: function () {
		this._point = this._map.latLngToLayerPoint(this._latlng);
		this._updateBounds();
	},

	_updateBounds: function () {
		var r = this._radius,
		    r2 = this._radiusY || r,
		    w = this._clickTolerance(),
		    p = [r + w, r2 + w];
		this._pxBounds = new L.Bounds(this._point.subtract(p), this._point.add(p));
	},

	_update: function () {
		if (this._map) {
			this._updatePath();
		}
	},

	_updatePath: function () {
		this._renderer._updateCircle(this);
	},

	_empty: function () {
		return this._radius && !this._renderer._bounds.intersects(this._pxBounds);
	}
});


// @factory L.circleMarker(latlng: LatLng, options?: CircleMarker options)
// Instantiates a circle marker object given a geographical point, and an optional options object.
L.circleMarker = function (latlng, options) {
	return new L.CircleMarker(latlng, options);
};



/*
 * @class Circle
 * @aka L.Circle
 * @inherits CircleMarker
 *
 * A class for drawing circle overlays on a map. Extends `CircleMarker`.
 *
 * It's an approximation and starts to diverge from a real circle closer to poles (due to projection distortion).
 *
 * @example
 *
 * ```js
 * L.circle([50.5, 30.5], {radius: 200}).addTo(map);
 * ```
 */

L.Circle = L.CircleMarker.extend({

	initialize: function (latlng, options, legacyOptions) {
		if (typeof options === 'number') {
			// Backwards compatibility with 0.7.x factory (latlng, radius, options?)
			options = L.extend({}, legacyOptions, {radius: options});
		}
		L.setOptions(this, options);
		this._latlng = L.latLng(latlng);

		if (isNaN(this.options.radius)) { throw new Error('Circle radius cannot be NaN'); }

		// @section
		// @aka Circle options
		// @option radius: Number; Radius of the circle, in meters.
		this._mRadius = this.options.radius;
	},

	// @method setRadius(radius: Number): this
	// Sets the radius of a circle. Units are in meters.
	setRadius: function (radius) {
		this._mRadius = radius;
		return this.redraw();
	},

	// @method getRadius(): Number
	// Returns the current radius of a circle. Units are in meters.
	getRadius: function () {
		return this._mRadius;
	},

	// @method getBounds(): LatLngBounds
	// Returns the `LatLngBounds` of the path.
	getBounds: function () {
		var half = [this._radius, this._radiusY || this._radius];

		return new L.LatLngBounds(
			this._map.layerPointToLatLng(this._point.subtract(half)),
			this._map.layerPointToLatLng(this._point.add(half)));
	},

	setStyle: L.Path.prototype.setStyle,

	_project: function () {

		var lng = this._latlng.lng,
		    lat = this._latlng.lat,
		    map = this._map,
		    crs = map.options.crs;

		if (crs.distance === L.CRS.Earth.distance) {
			var d = Math.PI / 180,
			    latR = (this._mRadius / L.CRS.Earth.R) / d,
			    top = map.project([lat + latR, lng]),
			    bottom = map.project([lat - latR, lng]),
			    p = top.add(bottom).divideBy(2),
			    lat2 = map.unproject(p).lat,
			    lngR = Math.acos((Math.cos(latR * d) - Math.sin(lat * d) * Math.sin(lat2 * d)) /
			            (Math.cos(lat * d) * Math.cos(lat2 * d))) / d;

			if (isNaN(lngR) || lngR === 0) {
				lngR = latR / Math.cos(Math.PI / 180 * lat); // Fallback for edge case, #2425
			}

			this._point = p.subtract(map.getPixelOrigin());
			this._radius = isNaN(lngR) ? 0 : Math.max(Math.round(p.x - map.project([lat2, lng - lngR]).x), 1);
			this._radiusY = Math.max(Math.round(p.y - top.y), 1);

		} else {
			var latlng2 = crs.unproject(crs.project(this._latlng).subtract([this._mRadius, 0]));

			this._point = map.latLngToLayerPoint(this._latlng);
			this._radius = this._point.x - map.latLngToLayerPoint(latlng2).x;
		}

		this._updateBounds();
	}
});

// @factory L.circle(latlng: LatLng, options?: Circle options)
// Instantiates a circle object given a geographical point, and an options object
// which contains the circle radius.
// @alternative
// @factory L.circle(latlng: LatLng, radius: Number, options?: Circle options)
// Obsolete way of instantiating a circle, for compatibility with 0.7.x code.
// Do not use in new applications or plugins.
L.circle = function (latlng, options, legacyOptions) {
	return new L.Circle(latlng, options, legacyOptions);
};



/*
 * @class SVG
 * @inherits Renderer
 * @aka L.SVG
 *
 * Allows vector layers to be displayed with [SVG](https://developer.mozilla.org/docs/Web/SVG).
 * Inherits `Renderer`.
 *
 * Due to [technical limitations](http://caniuse.com/#search=svg), SVG is not
 * available in all web browsers, notably Android 2.x and 3.x.
 *
 * Although SVG is not available on IE7 and IE8, these browsers support
 * [VML](https://en.wikipedia.org/wiki/Vector_Markup_Language)
 * (a now deprecated technology), and the SVG renderer will fall back to VML in
 * this case.
 *
 * @example
 *
 * Use SVG by default for all paths in the map:
 *
 * ```js
 * var map = L.map('map', {
 * 	renderer: L.svg()
 * });
 * ```
 *
 * Use a SVG renderer with extra padding for specific vector geometries:
 *
 * ```js
 * var map = L.map('map');
 * var myRenderer = L.svg({ padding: 0.5 });
 * var line = L.polyline( coordinates, { renderer: myRenderer } );
 * var circle = L.circle( center, { renderer: myRenderer } );
 * ```
 */

L.SVG = L.Renderer.extend({

	getEvents: function () {
		var events = L.Renderer.prototype.getEvents.call(this);
		events.zoomstart = this._onZoomStart;
		return events;
	},

	_initContainer: function () {
		this._container = L.SVG.create('svg');

		// makes it possible to click through svg root; we'll reset it back in individual paths
		this._container.setAttribute('pointer-events', 'none');

		this._rootGroup = L.SVG.create('g');
		this._container.appendChild(this._rootGroup);
	},

	_onZoomStart: function () {
		// Drag-then-pinch interactions might mess up the center and zoom.
		// In this case, the easiest way to prevent this is re-do the renderer
		//   bounds and padding when the zooming starts.
		this._update();
	},

	_update: function () {
		if (this._map._animatingZoom && this._bounds) { return; }

		L.Renderer.prototype._update.call(this);

		var b = this._bounds,
		    size = b.getSize(),
		    container = this._container;

		// set size of svg-container if changed
		if (!this._svgSize || !this._svgSize.equals(size)) {
			this._svgSize = size;
			container.setAttribute('width', size.x);
			container.setAttribute('height', size.y);
		}

		// movement: update container viewBox so that we don't have to change coordinates of individual layers
		L.DomUtil.setPosition(container, b.min);
		container.setAttribute('viewBox', [b.min.x, b.min.y, size.x, size.y].join(' '));

		this.fire('update');
	},

	// methods below are called by vector layers implementations

	_initPath: function (layer) {
		var path = layer._path = L.SVG.create('path');

		// @namespace Path
		// @option className: String = null
		// Custom class name set on an element. Only for SVG renderer.
		if (layer.options.className) {
			L.DomUtil.addClass(path, layer.options.className);
		}

		if (layer.options.interactive) {
			L.DomUtil.addClass(path, 'leaflet-interactive');
		}

		this._updateStyle(layer);
	},

	_addPath: function (layer) {
		this._rootGroup.appendChild(layer._path);
		layer.addInteractiveTarget(layer._path);
	},

	_removePath: function (layer) {
		L.DomUtil.remove(layer._path);
		layer.removeInteractiveTarget(layer._path);
	},

	_updatePath: function (layer) {
		layer._project();
		layer._update();
	},

	_updateStyle: function (layer) {
		var path = layer._path,
		    options = layer.options;

		if (!path) { return; }

		if (options.stroke) {
			path.setAttribute('stroke', options.color);
			path.setAttribute('stroke-opacity', options.opacity);
			path.setAttribute('stroke-width', options.weight);
			path.setAttribute('stroke-linecap', options.lineCap);
			path.setAttribute('stroke-linejoin', options.lineJoin);

			if (options.dashArray) {
				path.setAttribute('stroke-dasharray', options.dashArray);
			} else {
				path.removeAttribute('stroke-dasharray');
			}

			if (options.dashOffset) {
				path.setAttribute('stroke-dashoffset', options.dashOffset);
			} else {
				path.removeAttribute('stroke-dashoffset');
			}
		} else {
			path.setAttribute('stroke', 'none');
		}

		if (options.fill) {
			path.setAttribute('fill', options.fillColor || options.color);
			path.setAttribute('fill-opacity', options.fillOpacity);
			path.setAttribute('fill-rule', options.fillRule || 'evenodd');
		} else {
			path.setAttribute('fill', 'none');
		}
	},

	_updatePoly: function (layer, closed) {
		this._setPath(layer, L.SVG.pointsToPath(layer._parts, closed));
	},

	_updateCircle: function (layer) {
		var p = layer._point,
		    r = layer._radius,
		    r2 = layer._radiusY || r,
		    arc = 'a' + r + ',' + r2 + ' 0 1,0 ';

		// drawing a circle with two half-arcs
		var d = layer._empty() ? 'M0 0' :
				'M' + (p.x - r) + ',' + p.y +
				arc + (r * 2) + ',0 ' +
				arc + (-r * 2) + ',0 ';

		this._setPath(layer, d);
	},

	_setPath: function (layer, path) {
		layer._path.setAttribute('d', path);
	},

	// SVG does not have the concept of zIndex so we resort to changing the DOM order of elements
	_bringToFront: function (layer) {
		L.DomUtil.toFront(layer._path);
	},

	_bringToBack: function (layer) {
		L.DomUtil.toBack(layer._path);
	}
});


// @namespace SVG; @section
// There are several static functions which can be called without instantiating L.SVG:
L.extend(L.SVG, {
	// @function create(name: String): SVGElement
	// Returns a instance of [SVGElement](https://developer.mozilla.org/docs/Web/API/SVGElement),
	// corresponding to the class name passed. For example, using 'line' will return
	// an instance of [SVGLineElement](https://developer.mozilla.org/docs/Web/API/SVGLineElement).
	create: function (name) {
		return document.createElementNS('http://www.w3.org/2000/svg', name);
	},

	// @function pointsToPath(rings: Point[], closed: Boolean): String
	// Generates a SVG path string for multiple rings, with each ring turning
	// into "M..L..L.." instructions
	pointsToPath: function (rings, closed) {
		var str = '',
		    i, j, len, len2, points, p;

		for (i = 0, len = rings.length; i < len; i++) {
			points = rings[i];

			for (j = 0, len2 = points.length; j < len2; j++) {
				p = points[j];
				str += (j ? 'L' : 'M') + p.x + ' ' + p.y;
			}

			// closes the ring for polygons; "x" is VML syntax
			str += closed ? (L.Browser.svg ? 'z' : 'x') : '';
		}

		// SVG complains about empty path strings
		return str || 'M0 0';
	}
});

// @namespace Browser; @property svg: Boolean
// `true` when the browser supports [SVG](https://developer.mozilla.org/docs/Web/SVG).
L.Browser.svg = !!(document.createElementNS && L.SVG.create('svg').createSVGRect);


// @namespace SVG
// @factory L.svg(options?: Renderer options)
// Creates a SVG renderer with the given options.
L.svg = function (options) {
	return L.Browser.svg || L.Browser.vml ? new L.SVG(options) : null;
};



/*
 * Thanks to Dmitry Baranovsky and his Raphael library for inspiration!
 */

/*
 * @class SVG
 *
 * Although SVG is not available on IE7 and IE8, these browsers support [VML](https://en.wikipedia.org/wiki/Vector_Markup_Language), and the SVG renderer will fall back to VML in this case.
 *
 * VML was deprecated in 2012, which means VML functionality exists only for backwards compatibility
 * with old versions of Internet Explorer.
 */

// @namespace Browser; @property vml: Boolean
// `true` if the browser supports [VML](https://en.wikipedia.org/wiki/Vector_Markup_Language).
L.Browser.vml = !L.Browser.svg && (function () {
	try {
		var div = document.createElement('div');
		div.innerHTML = '<v:shape adj="1"/>';

		var shape = div.firstChild;
		shape.style.behavior = 'url(#default#VML)';

		return shape && (typeof shape.adj === 'object');

	} catch (e) {
		return false;
	}
}());

// redefine some SVG methods to handle VML syntax which is similar but with some differences
L.SVG.include(!L.Browser.vml ? {} : {

	_initContainer: function () {
		this._container = L.DomUtil.create('div', 'leaflet-vml-container');
	},

	_update: function () {
		if (this._map._animatingZoom) { return; }
		L.Renderer.prototype._update.call(this);
		this.fire('update');
	},

	_initPath: function (layer) {
		var container = layer._container = L.SVG.create('shape');

		L.DomUtil.addClass(container, 'leaflet-vml-shape ' + (this.options.className || ''));

		container.coordsize = '1 1';

		layer._path = L.SVG.create('path');
		container.appendChild(layer._path);

		this._updateStyle(layer);
	},

	_addPath: function (layer) {
		var container = layer._container;
		this._container.appendChild(container);

		if (layer.options.interactive) {
			layer.addInteractiveTarget(container);
		}
	},

	_removePath: function (layer) {
		var container = layer._container;
		L.DomUtil.remove(container);
		layer.removeInteractiveTarget(container);
	},

	_updateStyle: function (layer) {
		var stroke = layer._stroke,
		    fill = layer._fill,
		    options = layer.options,
		    container = layer._container;

		container.stroked = !!options.stroke;
		container.filled = !!options.fill;

		if (options.stroke) {
			if (!stroke) {
				stroke = layer._stroke = L.SVG.create('stroke');
			}
			container.appendChild(stroke);
			stroke.weight = options.weight + 'px';
			stroke.color = options.color;
			stroke.opacity = options.opacity;

			if (options.dashArray) {
				stroke.dashStyle = L.Util.isArray(options.dashArray) ?
				    options.dashArray.join(' ') :
				    options.dashArray.replace(/( *, *)/g, ' ');
			} else {
				stroke.dashStyle = '';
			}
			stroke.endcap = options.lineCap.replace('butt', 'flat');
			stroke.joinstyle = options.lineJoin;

		} else if (stroke) {
			container.removeChild(stroke);
			layer._stroke = null;
		}

		if (options.fill) {
			if (!fill) {
				fill = layer._fill = L.SVG.create('fill');
			}
			container.appendChild(fill);
			fill.color = options.fillColor || options.color;
			fill.opacity = options.fillOpacity;

		} else if (fill) {
			container.removeChild(fill);
			layer._fill = null;
		}
	},

	_updateCircle: function (layer) {
		var p = layer._point.round(),
		    r = Math.round(layer._radius),
		    r2 = Math.round(layer._radiusY || r);

		this._setPath(layer, layer._empty() ? 'M0 0' :
				'AL ' + p.x + ',' + p.y + ' ' + r + ',' + r2 + ' 0,' + (65535 * 360));
	},

	_setPath: function (layer, path) {
		layer._path.v = path;
	},

	_bringToFront: function (layer) {
		L.DomUtil.toFront(layer._container);
	},

	_bringToBack: function (layer) {
		L.DomUtil.toBack(layer._container);
	}
});

if (L.Browser.vml) {
	L.SVG.create = (function () {
		try {
			document.namespaces.add('lvml', 'urn:schemas-microsoft-com:vml');
			return function (name) {
				return document.createElement('<lvml:' + name + ' class="lvml">');
			};
		} catch (e) {
			return function (name) {
				return document.createElement('<' + name + ' xmlns="urn:schemas-microsoft.com:vml" class="lvml">');
			};
		}
	})();
}



/*
 * @class Canvas
 * @inherits Renderer
 * @aka L.Canvas
 *
 * Allows vector layers to be displayed with [`<canvas>`](https://developer.mozilla.org/docs/Web/API/Canvas_API).
 * Inherits `Renderer`.
 *
 * Due to [technical limitations](http://caniuse.com/#search=canvas), Canvas is not
 * available in all web browsers, notably IE8, and overlapping geometries might
 * not display properly in some edge cases.
 *
 * @example
 *
 * Use Canvas by default for all paths in the map:
 *
 * ```js
 * var map = L.map('map', {
 * 	renderer: L.canvas()
 * });
 * ```
 *
 * Use a Canvas renderer with extra padding for specific vector geometries:
 *
 * ```js
 * var map = L.map('map');
 * var myRenderer = L.canvas({ padding: 0.5 });
 * var line = L.polyline( coordinates, { renderer: myRenderer } );
 * var circle = L.circle( center, { renderer: myRenderer } );
 * ```
 */

L.Canvas = L.Renderer.extend({

	onAdd: function () {
		L.Renderer.prototype.onAdd.call(this);

		this._layers = this._layers || {};

		// Redraw vectors since canvas is cleared upon removal,
		// in case of removing the renderer itself from the map.
		this._draw();
	},

	_initContainer: function () {
		var container = this._container = document.createElement('canvas');

		L.DomEvent
			.on(container, 'mousemove', L.Util.throttle(this._onMouseMove, 32, this), this)
			.on(container, 'click dblclick mousedown mouseup contextmenu', this._onClick, this)
			.on(container, 'mouseout', this._handleMouseOut, this);

		this._ctx = container.getContext('2d');
	},

	_update: function () {
		if (this._map._animatingZoom && this._bounds) { return; }

		this._drawnLayers = {};

		L.Renderer.prototype._update.call(this);

		var b = this._bounds,
		    container = this._container,
		    size = b.getSize(),
		    m = L.Browser.retina ? 2 : 1;

		L.DomUtil.setPosition(container, b.min);

		// set canvas size (also clearing it); use double size on retina
		container.width = m * size.x;
		container.height = m * size.y;
		container.style.width = size.x + 'px';
		container.style.height = size.y + 'px';

		if (L.Browser.retina) {
			this._ctx.scale(2, 2);
		}

		// translate so we use the same path coordinates after canvas element moves
		this._ctx.translate(-b.min.x, -b.min.y);

		// Tell paths to redraw themselves
		this.fire('update');
	},

	_initPath: function (layer) {
		this._updateDashArray(layer);
		this._layers[L.stamp(layer)] = layer;
	},

	_addPath: L.Util.falseFn,

	_removePath: function (layer) {
		layer._removed = true;
		this._requestRedraw(layer);
	},

	_updatePath: function (layer) {
		this._redrawBounds = layer._pxBounds;
		this._draw(true);
		layer._project();
		layer._update();
		this._draw();
		this._redrawBounds = null;
	},

	_updateStyle: function (layer) {
		this._updateDashArray(layer);
		this._requestRedraw(layer);
	},

	_updateDashArray: function (layer) {
		if (layer.options.dashArray) {
			var parts = layer.options.dashArray.split(','),
			    dashArray = [],
			    i;
			for (i = 0; i < parts.length; i++) {
				dashArray.push(Number(parts[i]));
			}
			layer.options._dashArray = dashArray;
		}
	},

	_requestRedraw: function (layer) {
		if (!this._map) { return; }

		var padding = (layer.options.weight || 0) + 1;
		this._redrawBounds = this._redrawBounds || new L.Bounds();
		this._redrawBounds.extend(layer._pxBounds.min.subtract([padding, padding]));
		this._redrawBounds.extend(layer._pxBounds.max.add([padding, padding]));

		this._redrawRequest = this._redrawRequest || L.Util.requestAnimFrame(this._redraw, this);
	},

	_redraw: function () {
		this._redrawRequest = null;

		this._draw(true); // clear layers in redraw bounds
		this._draw(); // draw layers

		this._redrawBounds = null;
	},

	_draw: function (clear) {
		this._clear = clear;
		var layer, bounds = this._redrawBounds;
		this._ctx.save();
		if (bounds) {
			this._ctx.beginPath();
			this._ctx.rect(bounds.min.x, bounds.min.y, bounds.max.x - bounds.min.x, bounds.max.y - bounds.min.y);
			this._ctx.clip();
		}

		for (var id in this._layers) {
			layer = this._layers[id];
			if (!bounds || (layer._pxBounds && layer._pxBounds.intersects(bounds))) {
				layer._updatePath();
			}
			if (clear && layer._removed) {
				delete layer._removed;
				delete this._layers[id];
			}
		}
		this._ctx.restore();  // Restore state before clipping.
	},

	_updatePoly: function (layer, closed) {

		var i, j, len2, p,
		    parts = layer._parts,
		    len = parts.length,
		    ctx = this._ctx;

		if (!len) { return; }

		this._drawnLayers[layer._leaflet_id] = layer;

		ctx.beginPath();

		if (ctx.setLineDash) {
			ctx.setLineDash(layer.options && layer.options._dashArray || []);
		}

		for (i = 0; i < len; i++) {
			for (j = 0, len2 = parts[i].length; j < len2; j++) {
				p = parts[i][j];
				ctx[j ? 'lineTo' : 'moveTo'](p.x, p.y);
			}
			if (closed) {
				ctx.closePath();
			}
		}

		this._fillStroke(ctx, layer);

		// TODO optimization: 1 fill/stroke for all features with equal style instead of 1 for each feature
	},

	_updateCircle: function (layer) {

		if (layer._empty()) { return; }

		var p = layer._point,
		    ctx = this._ctx,
		    r = layer._radius,
		    s = (layer._radiusY || r) / r;

		this._drawnLayers[layer._leaflet_id] = layer;

		if (s !== 1) {
			ctx.save();
			ctx.scale(1, s);
		}

		ctx.beginPath();
		ctx.arc(p.x, p.y / s, r, 0, Math.PI * 2, false);

		if (s !== 1) {
			ctx.restore();
		}

		this._fillStroke(ctx, layer);
	},

	_fillStroke: function (ctx, layer) {
		var clear = this._clear,
		    options = layer.options;

		ctx.globalCompositeOperation = clear ? 'destination-out' : 'source-over';

		if (options.fill) {
			ctx.globalAlpha = clear ? 1 : options.fillOpacity;
			ctx.fillStyle = options.fillColor || options.color;
			ctx.fill(options.fillRule || 'evenodd');
		}

		if (options.stroke && options.weight !== 0) {
			ctx.globalAlpha = clear ? 1 : options.opacity;

			// if clearing shape, do it with the previously drawn line width
			layer._prevWeight = ctx.lineWidth = clear ? layer._prevWeight + 1 : options.weight;

			ctx.strokeStyle = options.color;
			ctx.lineCap = options.lineCap;
			ctx.lineJoin = options.lineJoin;
			ctx.stroke();
		}
	},

	// Canvas obviously doesn't have mouse events for individual drawn objects,
	// so we emulate that by calculating what's under the mouse on mousemove/click manually

	_onClick: function (e) {
		var point = this._map.mouseEventToLayerPoint(e), layers = [], layer;

		for (var id in this._layers) {
			layer = this._layers[id];
			if (layer.options.interactive && layer._containsPoint(point) && !this._map._draggableMoved(layer)) {
				L.DomEvent._fakeStop(e);
				layers.push(layer);
			}
		}
		if (layers.length)  {
			this._fireEvent(layers, e);
		}
	},

	_onMouseMove: function (e) {
		if (!this._map || this._map.dragging.moving() || this._map._animatingZoom) { return; }

		var point = this._map.mouseEventToLayerPoint(e);
		this._handleMouseOut(e, point);
		this._handleMouseHover(e, point);
	},


	_handleMouseOut: function (e, point) {
		var layer = this._hoveredLayer;
		if (layer && (e.type === 'mouseout' || !layer._containsPoint(point))) {
			// if we're leaving the layer, fire mouseout
			L.DomUtil.removeClass(this._container, 'leaflet-interactive');
			this._fireEvent([layer], e, 'mouseout');
			this._hoveredLayer = null;
		}
	},

	_handleMouseHover: function (e, point) {
		var id, layer;

		for (id in this._drawnLayers) {
			layer = this._drawnLayers[id];
			if (layer.options.interactive && layer._containsPoint(point)) {
				L.DomUtil.addClass(this._container, 'leaflet-interactive'); // change cursor
				this._fireEvent([layer], e, 'mouseover');
				this._hoveredLayer = layer;
			}
		}

		if (this._hoveredLayer) {
			this._fireEvent([this._hoveredLayer], e);
		}
	},

	_fireEvent: function (layers, e, type) {
		this._map._fireDOMEvent(e, type || e.type, layers);
	},

	// TODO _bringToFront & _bringToBack, pretty tricky

	_bringToFront: L.Util.falseFn,
	_bringToBack: L.Util.falseFn
});

// @namespace Browser; @property canvas: Boolean
// `true` when the browser supports [`<canvas>`](https://developer.mozilla.org/docs/Web/API/Canvas_API).
L.Browser.canvas = (function () {
	return !!document.createElement('canvas').getContext;
}());

// @namespace Canvas
// @factory L.canvas(options?: Renderer options)
// Creates a Canvas renderer with the given options.
L.canvas = function (options) {
	return L.Browser.canvas ? new L.Canvas(options) : null;
};

L.Polyline.prototype._containsPoint = function (p, closed) {
	var i, j, k, len, len2, part,
	    w = this._clickTolerance();

	if (!this._pxBounds.contains(p)) { return false; }

	// hit detection for polylines
	for (i = 0, len = this._parts.length; i < len; i++) {
		part = this._parts[i];

		for (j = 0, len2 = part.length, k = len2 - 1; j < len2; k = j++) {
			if (!closed && (j === 0)) { continue; }

			if (L.LineUtil.pointToSegmentDistance(p, part[k], part[j]) <= w) {
				return true;
			}
		}
	}
	return false;
};

L.Polygon.prototype._containsPoint = function (p) {
	var inside = false,
	    part, p1, p2, i, j, k, len, len2;

	if (!this._pxBounds.contains(p)) { return false; }

	// ray casting algorithm for detecting if point is in polygon
	for (i = 0, len = this._parts.length; i < len; i++) {
		part = this._parts[i];

		for (j = 0, len2 = part.length, k = len2 - 1; j < len2; k = j++) {
			p1 = part[j];
			p2 = part[k];

			if (((p1.y > p.y) !== (p2.y > p.y)) && (p.x < (p2.x - p1.x) * (p.y - p1.y) / (p2.y - p1.y) + p1.x)) {
				inside = !inside;
			}
		}
	}

	// also check if it's on polygon stroke
	return inside || L.Polyline.prototype._containsPoint.call(this, p, true);
};

L.CircleMarker.prototype._containsPoint = function (p) {
	return p.distanceTo(this._point) <= this._radius + this._clickTolerance();
};



/*
 * @class GeoJSON
 * @aka L.GeoJSON
 * @inherits FeatureGroup
 *
 * Represents a GeoJSON object or an array of GeoJSON objects. Allows you to parse
 * GeoJSON data and display it on the map. Extends `FeatureGroup`.
 *
 * @example
 *
 * ```js
 * L.geoJSON(data, {
 * 	style: function (feature) {
 * 		return {color: feature.properties.color};
 * 	}
 * }).bindPopup(function (layer) {
 * 	return layer.feature.properties.description;
 * }).addTo(map);
 * ```
 */

L.GeoJSON = L.FeatureGroup.extend({

	/* @section
	 * @aka GeoJSON options
	 *
	 * @option pointToLayer: Function = *
	 * A `Function` defining how GeoJSON points spawn Leaflet layers. It is internally
	 * called when data is added, passing the GeoJSON point feature and its `LatLng`.
	 * The default is to spawn a default `Marker`:
	 * ```js
	 * function(geoJsonPoint, latlng) {
	 * 	return L.marker(latlng);
	 * }
	 * ```
	 *
	 * @option style: Function = *
	 * A `Function` defining the `Path options` for styling GeoJSON lines and polygons,
	 * called internally when data is added.
	 * The default value is to not override any defaults:
	 * ```js
	 * function (geoJsonFeature) {
	 * 	return {}
	 * }
	 * ```
	 *
	 * @option onEachFeature: Function = *
	 * A `Function` that will be called once for each created `Feature`, after it has
	 * been created and styled. Useful for attaching events and popups to features.
	 * The default is to do nothing with the newly created layers:
	 * ```js
	 * function (feature, layer) {}
	 * ```
	 *
	 * @option filter: Function = *
	 * A `Function` that will be used to decide whether to include a feature or not.
	 * The default is to include all features:
	 * ```js
	 * function (geoJsonFeature) {
	 * 	return true;
	 * }
	 * ```
	 * Note: dynamically changing the `filter` option will have effect only on newly
	 * added data. It will _not_ re-evaluate already included features.
	 *
	 * @option coordsToLatLng: Function = *
	 * A `Function` that will be used for converting GeoJSON coordinates to `LatLng`s.
	 * The default is the `coordsToLatLng` static method.
	 */

	initialize: function (geojson, options) {
		L.setOptions(this, options);

		this._layers = {};

		if (geojson) {
			this.addData(geojson);
		}
	},

	// @method addData( <GeoJSON> data ): Layer
	// Adds a GeoJSON object to the layer.
	addData: function (geojson) {
		var features = L.Util.isArray(geojson) ? geojson : geojson.features,
		    i, len, feature;

		if (features) {
			for (i = 0, len = features.length; i < len; i++) {
				// only add this if geometry or geometries are set and not null
				feature = features[i];
				if (feature.geometries || feature.geometry || feature.features || feature.coordinates) {
					this.addData(feature);
				}
			}
			return this;
		}

		var options = this.options;

		if (options.filter && !options.filter(geojson)) { return this; }

		var layer = L.GeoJSON.geometryToLayer(geojson, options);
		if (!layer) {
			return this;
		}
		layer.feature = L.GeoJSON.asFeature(geojson);

		layer.defaultOptions = layer.options;
		this.resetStyle(layer);

		if (options.onEachFeature) {
			options.onEachFeature(geojson, layer);
		}

		return this.addLayer(layer);
	},

	// @method resetStyle( <Path> layer ): Layer
	// Resets the given vector layer's style to the original GeoJSON style, useful for resetting style after hover events.
	resetStyle: function (layer) {
		// reset any custom styles
		layer.options = L.Util.extend({}, layer.defaultOptions);
		this._setLayerStyle(layer, this.options.style);
		return this;
	},

	// @method setStyle( <Function> style ): Layer
	// Changes styles of GeoJSON vector layers with the given style function.
	setStyle: function (style) {
		return this.eachLayer(function (layer) {
			this._setLayerStyle(layer, style);
		}, this);
	},

	_setLayerStyle: function (layer, style) {
		if (typeof style === 'function') {
			style = style(layer.feature);
		}
		if (layer.setStyle) {
			layer.setStyle(style);
		}
	}
});

// @section
// There are several static functions which can be called without instantiating L.GeoJSON:
L.extend(L.GeoJSON, {
	// @function geometryToLayer(featureData: Object, options?: GeoJSON options): Layer
	// Creates a `Layer` from a given GeoJSON feature. Can use a custom
	// [`pointToLayer`](#geojson-pointtolayer) and/or [`coordsToLatLng`](#geojson-coordstolatlng)
	// functions if provided as options.
	geometryToLayer: function (geojson, options) {

		var geometry = geojson.type === 'Feature' ? geojson.geometry : geojson,
		    coords = geometry ? geometry.coordinates : null,
		    layers = [],
		    pointToLayer = options && options.pointToLayer,
		    coordsToLatLng = options && options.coordsToLatLng || this.coordsToLatLng,
		    latlng, latlngs, i, len;

		if (!coords && !geometry) {
			return null;
		}

		switch (geometry.type) {
		case 'Point':
			latlng = coordsToLatLng(coords);
			return pointToLayer ? pointToLayer(geojson, latlng) : new L.Marker(latlng);

		case 'MultiPoint':
			for (i = 0, len = coords.length; i < len; i++) {
				latlng = coordsToLatLng(coords[i]);
				layers.push(pointToLayer ? pointToLayer(geojson, latlng) : new L.Marker(latlng));
			}
			return new L.FeatureGroup(layers);

		case 'LineString':
		case 'MultiLineString':
			latlngs = this.coordsToLatLngs(coords, geometry.type === 'LineString' ? 0 : 1, coordsToLatLng);
			return new L.Polyline(latlngs, options);

		case 'Polygon':
		case 'MultiPolygon':
			latlngs = this.coordsToLatLngs(coords, geometry.type === 'Polygon' ? 1 : 2, coordsToLatLng);
			return new L.Polygon(latlngs, options);

		case 'GeometryCollection':
			for (i = 0, len = geometry.geometries.length; i < len; i++) {
				var layer = this.geometryToLayer({
					geometry: geometry.geometries[i],
					type: 'Feature',
					properties: geojson.properties
				}, options);

				if (layer) {
					layers.push(layer);
				}
			}
			return new L.FeatureGroup(layers);

		default:
			throw new Error('Invalid GeoJSON object.');
		}
	},

	// @function coordsToLatLng(coords: Array): LatLng
	// Creates a `LatLng` object from an array of 2 numbers (longitude, latitude)
	// or 3 numbers (longitude, latitude, altitude) used in GeoJSON for points.
	coordsToLatLng: function (coords) {
		return new L.LatLng(coords[1], coords[0], coords[2]);
	},

	// @function coordsToLatLngs(coords: Array, levelsDeep?: Number, coordsToLatLng?: Function): Array
	// Creates a multidimensional array of `LatLng`s from a GeoJSON coordinates array.
	// `levelsDeep` specifies the nesting level (0 is for an array of points, 1 for an array of arrays of points, etc., 0 by default).
	// Can use a custom [`coordsToLatLng`](#geojson-coordstolatlng) function.
	coordsToLatLngs: function (coords, levelsDeep, coordsToLatLng) {
		var latlngs = [];

		for (var i = 0, len = coords.length, latlng; i < len; i++) {
			latlng = levelsDeep ?
			        this.coordsToLatLngs(coords[i], levelsDeep - 1, coordsToLatLng) :
			        (coordsToLatLng || this.coordsToLatLng)(coords[i]);

			latlngs.push(latlng);
		}

		return latlngs;
	},

	// @function latLngToCoords(latlng: LatLng): Array
	// Reverse of [`coordsToLatLng`](#geojson-coordstolatlng)
	latLngToCoords: function (latlng) {
		return latlng.alt !== undefined ?
				[latlng.lng, latlng.lat, latlng.alt] :
				[latlng.lng, latlng.lat];
	},

	// @function latLngsToCoords(latlngs: Array, levelsDeep?: Number, closed?: Boolean): Array
	// Reverse of [`coordsToLatLngs`](#geojson-coordstolatlngs)
	// `closed` determines whether the first point should be appended to the end of the array to close the feature, only used when `levelsDeep` is 0. False by default.
	latLngsToCoords: function (latlngs, levelsDeep, closed) {
		var coords = [];

		for (var i = 0, len = latlngs.length; i < len; i++) {
			coords.push(levelsDeep ?
				L.GeoJSON.latLngsToCoords(latlngs[i], levelsDeep - 1, closed) :
				L.GeoJSON.latLngToCoords(latlngs[i]));
		}

		if (!levelsDeep && closed) {
			coords.push(coords[0]);
		}

		return coords;
	},

	getFeature: function (layer, newGeometry) {
		return layer.feature ?
				L.extend({}, layer.feature, {geometry: newGeometry}) :
				L.GeoJSON.asFeature(newGeometry);
	},

	// @function asFeature(geojson: Object): Object
	// Normalize GeoJSON geometries/features into GeoJSON features.
	asFeature: function (geojson) {
		if (geojson.type === 'Feature') {
			return geojson;
		}

		return {
			type: 'Feature',
			properties: {},
			geometry: geojson
		};
	}
});

var PointToGeoJSON = {
	toGeoJSON: function () {
		return L.GeoJSON.getFeature(this, {
			type: 'Point',
			coordinates: L.GeoJSON.latLngToCoords(this.getLatLng())
		});
	}
};

L.Marker.include(PointToGeoJSON);

// @namespace CircleMarker
// @method toGeoJSON(): Object
// Returns a [`GeoJSON`](http://en.wikipedia.org/wiki/GeoJSON) representation of the circle marker (as a GeoJSON `Point` Feature).
L.Circle.include(PointToGeoJSON);
L.CircleMarker.include(PointToGeoJSON);


// @namespace Polyline
// @method toGeoJSON(): Object
// Returns a [`GeoJSON`](http://en.wikipedia.org/wiki/GeoJSON) representation of the polyline (as a GeoJSON `LineString` or `MultiLineString` Feature).
L.Polyline.prototype.toGeoJSON = function () {
	var multi = !L.Polyline._flat(this._latlngs);

	var coords = L.GeoJSON.latLngsToCoords(this._latlngs, multi ? 1 : 0);

	return L.GeoJSON.getFeature(this, {
		type: (multi ? 'Multi' : '') + 'LineString',
		coordinates: coords
	});
};

// @namespace Polygon
// @method toGeoJSON(): Object
// Returns a [`GeoJSON`](http://en.wikipedia.org/wiki/GeoJSON) representation of the polygon (as a GeoJSON `Polygon` or `MultiPolygon` Feature).
L.Polygon.prototype.toGeoJSON = function () {
	var holes = !L.Polyline._flat(this._latlngs),
	    multi = holes && !L.Polyline._flat(this._latlngs[0]);

	var coords = L.GeoJSON.latLngsToCoords(this._latlngs, multi ? 2 : holes ? 1 : 0, true);

	if (!holes) {
		coords = [coords];
	}

	return L.GeoJSON.getFeature(this, {
		type: (multi ? 'Multi' : '') + 'Polygon',
		coordinates: coords
	});
};


// @namespace LayerGroup
L.LayerGroup.include({
	toMultiPoint: function () {
		var coords = [];

		this.eachLayer(function (layer) {
			coords.push(layer.toGeoJSON().geometry.coordinates);
		});

		return L.GeoJSON.getFeature(this, {
			type: 'MultiPoint',
			coordinates: coords
		});
	},

	// @method toGeoJSON(): Object
	// Returns a [`GeoJSON`](http://en.wikipedia.org/wiki/GeoJSON) representation of the layer group (as a GeoJSON `GeometryCollection`).
	toGeoJSON: function () {

		var type = this.feature && this.feature.geometry && this.feature.geometry.type;

		if (type === 'MultiPoint') {
			return this.toMultiPoint();
		}

		var isGeometryCollection = type === 'GeometryCollection',
		    jsons = [];

		this.eachLayer(function (layer) {
			if (layer.toGeoJSON) {
				var json = layer.toGeoJSON();
				jsons.push(isGeometryCollection ? json.geometry : L.GeoJSON.asFeature(json));
			}
		});

		if (isGeometryCollection) {
			return L.GeoJSON.getFeature(this, {
				geometries: jsons,
				type: 'GeometryCollection'
			});
		}

		return {
			type: 'FeatureCollection',
			features: jsons
		};
	}
});

// @namespace GeoJSON
// @factory L.geoJSON(geojson?: Object, options?: GeoJSON options)
// Creates a GeoJSON layer. Optionally accepts an object in
// [GeoJSON format](http://geojson.org/geojson-spec.html) to display on the map
// (you can alternatively add it later with `addData` method) and an `options` object.
L.geoJSON = function (geojson, options) {
	return new L.GeoJSON(geojson, options);
};
// Backward compatibility.
L.geoJson = L.geoJSON;



/*
 * @namespace DomEvent
 * Utility functions to work with the [DOM events](https://developer.mozilla.org/docs/Web/API/Event), used by Leaflet internally.
 */

// Inspired by John Resig, Dean Edwards and YUI addEvent implementations.



var eventsKey = '_leaflet_events';

L.DomEvent = {

	// @function on(el: HTMLElement, types: String, fn: Function, context?: Object): this
	// Adds a listener function (`fn`) to a particular DOM event type of the
	// element `el`. You can optionally specify the context of the listener
	// (object the `this` keyword will point to). You can also pass several
	// space-separated types (e.g. `'click dblclick'`).

	// @alternative
	// @function on(el: HTMLElement, eventMap: Object, context?: Object): this
	// Adds a set of type/listener pairs, e.g. `{click: onClick, mousemove: onMouseMove}`
	on: function (obj, types, fn, context) {

		if (typeof types === 'object') {
			for (var type in types) {
				this._on(obj, type, types[type], fn);
			}
		} else {
			types = L.Util.splitWords(types);

			for (var i = 0, len = types.length; i < len; i++) {
				this._on(obj, types[i], fn, context);
			}
		}

		return this;
	},

	// @function off(el: HTMLElement, types: String, fn: Function, context?: Object): this
	// Removes a previously added listener function. If no function is specified,
	// it will remove all the listeners of that particular DOM event from the element.
	// Note that if you passed a custom context to on, you must pass the same
	// context to `off` in order to remove the listener.

	// @alternative
	// @function off(el: HTMLElement, eventMap: Object, context?: Object): this
	// Removes a set of type/listener pairs, e.g. `{click: onClick, mousemove: onMouseMove}`
	off: function (obj, types, fn, context) {

		if (typeof types === 'object') {
			for (var type in types) {
				this._off(obj, type, types[type], fn);
			}
		} else {
			types = L.Util.splitWords(types);

			for (var i = 0, len = types.length; i < len; i++) {
				this._off(obj, types[i], fn, context);
			}
		}

		return this;
	},

	_on: function (obj, type, fn, context) {
		var id = type + L.stamp(fn) + (context ? '_' + L.stamp(context) : '');

		if (obj[eventsKey] && obj[eventsKey][id]) { return this; }

		var handler = function (e) {
			return fn.call(context || obj, e || window.event);
		};

		var originalHandler = handler;

		if (L.Browser.pointer && type.indexOf('touch') === 0) {
			this.addPointerListener(obj, type, handler, id);

		} else if (L.Browser.touch && (type === 'dblclick') && this.addDoubleTapListener) {
			this.addDoubleTapListener(obj, handler, id);

		} else if ('addEventListener' in obj) {

			if (type === 'mousewheel') {
				obj.addEventListener('onwheel' in obj ? 'wheel' : 'mousewheel', handler, false);

			} else if ((type === 'mouseenter') || (type === 'mouseleave')) {
				handler = function (e) {
					e = e || window.event;
					if (L.DomEvent._isExternalTarget(obj, e)) {
						originalHandler(e);
					}
				};
				obj.addEventListener(type === 'mouseenter' ? 'mouseover' : 'mouseout', handler, false);

			} else {
				if (type === 'click' && L.Browser.android) {
					handler = function (e) {
						return L.DomEvent._filterClick(e, originalHandler);
					};
				}
				obj.addEventListener(type, handler, false);
			}

		} else if ('attachEvent' in obj) {
			obj.attachEvent('on' + type, handler);
		}

		obj[eventsKey] = obj[eventsKey] || {};
		obj[eventsKey][id] = handler;

		return this;
	},

	_off: function (obj, type, fn, context) {

		var id = type + L.stamp(fn) + (context ? '_' + L.stamp(context) : ''),
		    handler = obj[eventsKey] && obj[eventsKey][id];

		if (!handler) { return this; }

		if (L.Browser.pointer && type.indexOf('touch') === 0) {
			this.removePointerListener(obj, type, id);

		} else if (L.Browser.touch && (type === 'dblclick') && this.removeDoubleTapListener) {
			this.removeDoubleTapListener(obj, id);

		} else if ('removeEventListener' in obj) {

			if (type === 'mousewheel') {
				obj.removeEventListener('onwheel' in obj ? 'wheel' : 'mousewheel', handler, false);

			} else {
				obj.removeEventListener(
					type === 'mouseenter' ? 'mouseover' :
					type === 'mouseleave' ? 'mouseout' : type, handler, false);
			}

		} else if ('detachEvent' in obj) {
			obj.detachEvent('on' + type, handler);
		}

		obj[eventsKey][id] = null;

		return this;
	},

	// @function stopPropagation(ev: DOMEvent): this
	// Stop the given event from propagation to parent elements. Used inside the listener functions:
	// ```js
	// L.DomEvent.on(div, 'click', function (ev) {
	// 	L.DomEvent.stopPropagation(ev);
	// });
	// ```
	stopPropagation: function (e) {

		if (e.stopPropagation) {
			e.stopPropagation();
		} else if (e.originalEvent) {  // In case of Leaflet event.
			e.originalEvent._stopped = true;
		} else {
			e.cancelBubble = true;
		}
		L.DomEvent._skipped(e);

		return this;
	},

	// @function disableScrollPropagation(el: HTMLElement): this
	// Adds `stopPropagation` to the element's `'mousewheel'` events (plus browser variants).
	disableScrollPropagation: function (el) {
		return L.DomEvent.on(el, 'mousewheel', L.DomEvent.stopPropagation);
	},

	// @function disableClickPropagation(el: HTMLElement): this
	// Adds `stopPropagation` to the element's `'click'`, `'doubleclick'`,
	// `'mousedown'` and `'touchstart'` events (plus browser variants).
	disableClickPropagation: function (el) {
		var stop = L.DomEvent.stopPropagation;

		L.DomEvent.on(el, L.Draggable.START.join(' '), stop);

		return L.DomEvent.on(el, {
			click: L.DomEvent._fakeStop,
			dblclick: stop
		});
	},

	// @function preventDefault(ev: DOMEvent): this
	// Prevents the default action of the DOM Event `ev` from happening (such as
	// following a link in the href of the a element, or doing a POST request
	// with page reload when a `<form>` is submitted).
	// Use it inside listener functions.
	preventDefault: function (e) {

		if (e.preventDefault) {
			e.preventDefault();
		} else {
			e.returnValue = false;
		}
		return this;
	},

	// @function stop(ev): this
	// Does `stopPropagation` and `preventDefault` at the same time.
	stop: function (e) {
		return L.DomEvent
			.preventDefault(e)
			.stopPropagation(e);
	},

	// @function getMousePosition(ev: DOMEvent, container?: HTMLElement): Point
	// Gets normalized mouse position from a DOM event relative to the
	// `container` or to the whole page if not specified.
	getMousePosition: function (e, container) {
		if (!container) {
			return new L.Point(e.clientX, e.clientY);
		}

		var rect = container.getBoundingClientRect();

		return new L.Point(
			e.clientX - rect.left - container.clientLeft,
			e.clientY - rect.top - container.clientTop);
	},

	// Chrome on Win scrolls double the pixels as in other platforms (see #4538),
	// and Firefox scrolls device pixels, not CSS pixels
	_wheelPxFactor: (L.Browser.win && L.Browser.chrome) ? 2 :
	                L.Browser.gecko ? window.devicePixelRatio :
	                1,

	// @function getWheelDelta(ev: DOMEvent): Number
	// Gets normalized wheel delta from a mousewheel DOM event, in vertical
	// pixels scrolled (negative if scrolling down).
	// Events from pointing devices without precise scrolling are mapped to
	// a best guess of 60 pixels.
	getWheelDelta: function (e) {
		return (L.Browser.edge) ? e.wheelDeltaY / 2 : // Don't trust window-geometry-based delta
		       (e.deltaY && e.deltaMode === 0) ? -e.deltaY / L.DomEvent._wheelPxFactor : // Pixels
		       (e.deltaY && e.deltaMode === 1) ? -e.deltaY * 20 : // Lines
		       (e.deltaY && e.deltaMode === 2) ? -e.deltaY * 60 : // Pages
		       (e.deltaX || e.deltaZ) ? 0 :	// Skip horizontal/depth wheel events
		       e.wheelDelta ? (e.wheelDeltaY || e.wheelDelta) / 2 : // Legacy IE pixels
		       (e.detail && Math.abs(e.detail) < 32765) ? -e.detail * 20 : // Legacy Moz lines
		       e.detail ? e.detail / -32765 * 60 : // Legacy Moz pages
		       0;
	},

	_skipEvents: {},

	_fakeStop: function (e) {
		// fakes stopPropagation by setting a special event flag, checked/reset with L.DomEvent._skipped(e)
		L.DomEvent._skipEvents[e.type] = true;
	},

	_skipped: function (e) {
		var skipped = this._skipEvents[e.type];
		// reset when checking, as it's only used in map container and propagates outside of the map
		this._skipEvents[e.type] = false;
		return skipped;
	},

	// check if element really left/entered the event target (for mouseenter/mouseleave)
	_isExternalTarget: function (el, e) {

		var related = e.relatedTarget;

		if (!related) { return true; }

		try {
			while (related && (related !== el)) {
				related = related.parentNode;
			}
		} catch (err) {
			return false;
		}
		return (related !== el);
	},

	// this is a horrible workaround for a bug in Android where a single touch triggers two click events
	_filterClick: function (e, handler) {
		var timeStamp = (e.timeStamp || (e.originalEvent && e.originalEvent.timeStamp)),
		    elapsed = L.DomEvent._lastClick && (timeStamp - L.DomEvent._lastClick);

		// are they closer together than 500ms yet more than 100ms?
		// Android typically triggers them ~300ms apart while multiple listeners
		// on the same event should be triggered far faster;
		// or check if click is simulated on the element, and if it is, reject any non-simulated events

		if ((elapsed && elapsed > 100 && elapsed < 500) || (e.target._simulatedClick && !e._simulated)) {
			L.DomEvent.stop(e);
			return;
		}
		L.DomEvent._lastClick = timeStamp;

		handler(e);
	}
};

// @function addListener(…): this
// Alias to [`L.DomEvent.on`](#domevent-on)
L.DomEvent.addListener = L.DomEvent.on;

// @function removeListener(…): this
// Alias to [`L.DomEvent.off`](#domevent-off)
L.DomEvent.removeListener = L.DomEvent.off;



/*
 * @class Draggable
 * @aka L.Draggable
 * @inherits Evented
 *
 * A class for making DOM elements draggable (including touch support).
 * Used internally for map and marker dragging. Only works for elements
 * that were positioned with [`L.DomUtil.setPosition`](#domutil-setposition).
 *
 * @example
 * ```js
 * var draggable = new L.Draggable(elementToDrag);
 * draggable.enable();
 * ```
 */

L.Draggable = L.Evented.extend({

	options: {
		// @option clickTolerance: Number = 3
		// The max number of pixels a user can shift the mouse pointer during a click
		// for it to be considered a valid click (as opposed to a mouse drag).
		clickTolerance: 3
	},

	statics: {
		START: L.Browser.touch ? ['touchstart', 'mousedown'] : ['mousedown'],
		END: {
			mousedown: 'mouseup',
			touchstart: 'touchend',
			pointerdown: 'touchend',
			MSPointerDown: 'touchend'
		},
		MOVE: {
			mousedown: 'mousemove',
			touchstart: 'touchmove',
			pointerdown: 'touchmove',
			MSPointerDown: 'touchmove'
		}
	},

	// @constructor L.Draggable(el: HTMLElement, dragHandle?: HTMLElement, preventOutline: Boolean)
	// Creates a `Draggable` object for moving `el` when you start dragging the `dragHandle` element (equals `el` itself by default).
	initialize: function (element, dragStartTarget, preventOutline) {
		this._element = element;
		this._dragStartTarget = dragStartTarget || element;
		this._preventOutline = preventOutline;
	},

	// @method enable()
	// Enables the dragging ability
	enable: function () {
		if (this._enabled) { return; }

		L.DomEvent.on(this._dragStartTarget, L.Draggable.START.join(' '), this._onDown, this);

		this._enabled = true;
	},

	// @method disable()
	// Disables the dragging ability
	disable: function () {
		if (!this._enabled) { return; }

		L.DomEvent.off(this._dragStartTarget, L.Draggable.START.join(' '), this._onDown, this);

		this._enabled = false;
		this._moved = false;
	},

	_onDown: function (e) {
		// Ignore simulated events, since we handle both touch and
		// mouse explicitly; otherwise we risk getting duplicates of
		// touch events, see #4315.
		// Also ignore the event if disabled; this happens in IE11
		// under some circumstances, see #3666.
		if (e._simulated || !this._enabled) { return; }

		this._moved = false;

		if (L.DomUtil.hasClass(this._element, 'leaflet-zoom-anim')) { return; }

		if (L.Draggable._dragging || e.shiftKey || ((e.which !== 1) && (e.button !== 1) && !e.touches) || !this._enabled) { return; }
		L.Draggable._dragging = true;  // Prevent dragging multiple objects at once.

		if (this._preventOutline) {
			L.DomUtil.preventOutline(this._element);
		}

		L.DomUtil.disableImageDrag();
		L.DomUtil.disableTextSelection();

		if (this._moving) { return; }

		// @event down: Event
		// Fired when a drag is about to start.
		this.fire('down');

		var first = e.touches ? e.touches[0] : e;

		this._startPoint = new L.Point(first.clientX, first.clientY);

		L.DomEvent
			.on(document, L.Draggable.MOVE[e.type], this._onMove, this)
			.on(document, L.Draggable.END[e.type], this._onUp, this);
	},

	_onMove: function (e) {
		// Ignore simulated events, since we handle both touch and
		// mouse explicitly; otherwise we risk getting duplicates of
		// touch events, see #4315.
		// Also ignore the event if disabled; this happens in IE11
		// under some circumstances, see #3666.
		if (e._simulated || !this._enabled) { return; }

		if (e.touches && e.touches.length > 1) {
			this._moved = true;
			return;
		}

		var first = (e.touches && e.touches.length === 1 ? e.touches[0] : e),
		    newPoint = new L.Point(first.clientX, first.clientY),
		    offset = newPoint.subtract(this._startPoint);

		if (!offset.x && !offset.y) { return; }
		if (Math.abs(offset.x) + Math.abs(offset.y) < this.options.clickTolerance) { return; }

		L.DomEvent.preventDefault(e);

		if (!this._moved) {
			// @event dragstart: Event
			// Fired when a drag starts
			this.fire('dragstart');

			this._moved = true;
			this._startPos = L.DomUtil.getPosition(this._element).subtract(offset);

			L.DomUtil.addClass(document.body, 'leaflet-dragging');

			this._lastTarget = e.target || e.srcElement;
			// IE and Edge do not give the <use> element, so fetch it
			// if necessary
			if ((window.SVGElementInstance) && (this._lastTarget instanceof SVGElementInstance)) {
				this._lastTarget = this._lastTarget.correspondingUseElement;
			}
			L.DomUtil.addClass(this._lastTarget, 'leaflet-drag-target');
		}

		this._newPos = this._startPos.add(offset);
		this._moving = true;

		L.Util.cancelAnimFrame(this._animRequest);
		this._lastEvent = e;
		this._animRequest = L.Util.requestAnimFrame(this._updatePosition, this, true);
	},

	_updatePosition: function () {
		var e = {originalEvent: this._lastEvent};

		// @event predrag: Event
		// Fired continuously during dragging *before* each corresponding
		// update of the element's position.
		this.fire('predrag', e);
		L.DomUtil.setPosition(this._element, this._newPos);

		// @event drag: Event
		// Fired continuously during dragging.
		this.fire('drag', e);
	},

	_onUp: function (e) {
		// Ignore simulated events, since we handle both touch and
		// mouse explicitly; otherwise we risk getting duplicates of
		// touch events, see #4315.
		// Also ignore the event if disabled; this happens in IE11
		// under some circumstances, see #3666.
		if (e._simulated || !this._enabled) { return; }

		L.DomUtil.removeClass(document.body, 'leaflet-dragging');

		if (this._lastTarget) {
			L.DomUtil.removeClass(this._lastTarget, 'leaflet-drag-target');
			this._lastTarget = null;
		}

		for (var i in L.Draggable.MOVE) {
			L.DomEvent
				.off(document, L.Draggable.MOVE[i], this._onMove, this)
				.off(document, L.Draggable.END[i], this._onUp, this);
		}

		L.DomUtil.enableImageDrag();
		L.DomUtil.enableTextSelection();

		if (this._moved && this._moving) {
			// ensure drag is not fired after dragend
			L.Util.cancelAnimFrame(this._animRequest);

			// @event dragend: DragEndEvent
			// Fired when the drag ends.
			this.fire('dragend', {
				distance: this._newPos.distanceTo(this._startPos)
			});
		}

		this._moving = false;
		L.Draggable._dragging = false;
	}
});



/*
	L.Handler is a base class for handler classes that are used internally to inject
	interaction features like dragging to classes like Map and Marker.
*/

// @class Handler
// @aka L.Handler
// Abstract class for map interaction handlers

L.Handler = L.Class.extend({
	initialize: function (map) {
		this._map = map;
	},

	// @method enable(): this
	// Enables the handler
	enable: function () {
		if (this._enabled) { return this; }

		this._enabled = true;
		this.addHooks();
		return this;
	},

	// @method disable(): this
	// Disables the handler
	disable: function () {
		if (!this._enabled) { return this; }

		this._enabled = false;
		this.removeHooks();
		return this;
	},

	// @method enabled(): Boolean
	// Returns `true` if the handler is enabled
	enabled: function () {
		return !!this._enabled;
	}

	// @section Extension methods
	// Classes inheriting from `Handler` must implement the two following methods:
	// @method addHooks()
	// Called when the handler is enabled, should add event hooks.
	// @method removeHooks()
	// Called when the handler is disabled, should remove the event hooks added previously.
});



/*
 * L.Handler.MapDrag is used to make the map draggable (with panning inertia), enabled by default.
 */

// @namespace Map
// @section Interaction Options
L.Map.mergeOptions({
	// @option dragging: Boolean = true
	// Whether the map be draggable with mouse/touch or not.
	dragging: true,

	// @section Panning Inertia Options
	// @option inertia: Boolean = *
	// If enabled, panning of the map will have an inertia effect where
	// the map builds momentum while dragging and continues moving in
	// the same direction for some time. Feels especially nice on touch
	// devices. Enabled by default unless running on old Android devices.
	inertia: !L.Browser.android23,

	// @option inertiaDeceleration: Number = 3000
	// The rate with which the inertial movement slows down, in pixels/second².
	inertiaDeceleration: 3400, // px/s^2

	// @option inertiaMaxSpeed: Number = Infinity
	// Max speed of the inertial movement, in pixels/second.
	inertiaMaxSpeed: Infinity, // px/s

	// @option easeLinearity: Number = 0.2
	easeLinearity: 0.2,

	// TODO refactor, move to CRS
	// @option worldCopyJump: Boolean = false
	// With this option enabled, the map tracks when you pan to another "copy"
	// of the world and seamlessly jumps to the original one so that all overlays
	// like markers and vector layers are still visible.
	worldCopyJump: false,

	// @option maxBoundsViscosity: Number = 0.0
	// If `maxBounds` is set, this option will control how solid the bounds
	// are when dragging the map around. The default value of `0.0` allows the
	// user to drag outside the bounds at normal speed, higher values will
	// slow down map dragging outside bounds, and `1.0` makes the bounds fully
	// solid, preventing the user from dragging outside the bounds.
	maxBoundsViscosity: 0.0
});

L.Map.Drag = L.Handler.extend({
	addHooks: function () {
		if (!this._draggable) {
			var map = this._map;

			this._draggable = new L.Draggable(map._mapPane, map._container);

			this._draggable.on({
				down: this._onDown,
				dragstart: this._onDragStart,
				drag: this._onDrag,
				dragend: this._onDragEnd
			}, this);

			this._draggable.on('predrag', this._onPreDragLimit, this);
			if (map.options.worldCopyJump) {
				this._draggable.on('predrag', this._onPreDragWrap, this);
				map.on('zoomend', this._onZoomEnd, this);

				map.whenReady(this._onZoomEnd, this);
			}
		}
		L.DomUtil.addClass(this._map._container, 'leaflet-grab leaflet-touch-drag');
		this._draggable.enable();
		this._positions = [];
		this._times = [];
	},

	removeHooks: function () {
		L.DomUtil.removeClass(this._map._container, 'leaflet-grab');
		L.DomUtil.removeClass(this._map._container, 'leaflet-touch-drag');
		this._draggable.disable();
	},

	moved: function () {
		return this._draggable && this._draggable._moved;
	},

	moving: function () {
		return this._draggable && this._draggable._moving;
	},

	_onDown: function () {
		this._map._stop();
	},

	_onDragStart: function () {
		var map = this._map;

		if (this._map.options.maxBounds && this._map.options.maxBoundsViscosity) {
			var bounds = L.latLngBounds(this._map.options.maxBounds);

			this._offsetLimit = L.bounds(
				this._map.latLngToContainerPoint(bounds.getNorthWest()).multiplyBy(-1),
				this._map.latLngToContainerPoint(bounds.getSouthEast()).multiplyBy(-1)
					.add(this._map.getSize()));

			this._viscosity = Math.min(1.0, Math.max(0.0, this._map.options.maxBoundsViscosity));
		} else {
			this._offsetLimit = null;
		}

		map
		    .fire('movestart')
		    .fire('dragstart');

		if (map.options.inertia) {
			this._positions = [];
			this._times = [];
		}
	},

	_onDrag: function (e) {
		if (this._map.options.inertia) {
			var time = this._lastTime = +new Date(),
			    pos = this._lastPos = this._draggable._absPos || this._draggable._newPos;

			this._positions.push(pos);
			this._times.push(time);

			if (time - this._times[0] > 50) {
				this._positions.shift();
				this._times.shift();
			}
		}

		this._map
		    .fire('move', e)
		    .fire('drag', e);
	},

	_onZoomEnd: function () {
		var pxCenter = this._map.getSize().divideBy(2),
		    pxWorldCenter = this._map.latLngToLayerPoint([0, 0]);

		this._initialWorldOffset = pxWorldCenter.subtract(pxCenter).x;
		this._worldWidth = this._map.getPixelWorldBounds().getSize().x;
	},

	_viscousLimit: function (value, threshold) {
		return value - (value - threshold) * this._viscosity;
	},

	_onPreDragLimit: function () {
		if (!this._viscosity || !this._offsetLimit) { return; }

		var offset = this._draggable._newPos.subtract(this._draggable._startPos);

		var limit = this._offsetLimit;
		if (offset.x < limit.min.x) { offset.x = this._viscousLimit(offset.x, limit.min.x); }
		if (offset.y < limit.min.y) { offset.y = this._viscousLimit(offset.y, limit.min.y); }
		if (offset.x > limit.max.x) { offset.x = this._viscousLimit(offset.x, limit.max.x); }
		if (offset.y > limit.max.y) { offset.y = this._viscousLimit(offset.y, limit.max.y); }

		this._draggable._newPos = this._draggable._startPos.add(offset);
	},

	_onPreDragWrap: function () {
		// TODO refactor to be able to adjust map pane position after zoom
		var worldWidth = this._worldWidth,
		    halfWidth = Math.round(worldWidth / 2),
		    dx = this._initialWorldOffset,
		    x = this._draggable._newPos.x,
		    newX1 = (x - halfWidth + dx) % worldWidth + halfWidth - dx,
		    newX2 = (x + halfWidth + dx) % worldWidth - halfWidth - dx,
		    newX = Math.abs(newX1 + dx) < Math.abs(newX2 + dx) ? newX1 : newX2;

		this._draggable._absPos = this._draggable._newPos.clone();
		this._draggable._newPos.x = newX;
	},

	_onDragEnd: function (e) {
		var map = this._map,
		    options = map.options,

		    noInertia = !options.inertia || this._times.length < 2;

		map.fire('dragend', e);

		if (noInertia) {
			map.fire('moveend');

		} else {

			var direction = this._lastPos.subtract(this._positions[0]),
			    duration = (this._lastTime - this._times[0]) / 1000,
			    ease = options.easeLinearity,

			    speedVector = direction.multiplyBy(ease / duration),
			    speed = speedVector.distanceTo([0, 0]),

			    limitedSpeed = Math.min(options.inertiaMaxSpeed, speed),
			    limitedSpeedVector = speedVector.multiplyBy(limitedSpeed / speed),

			    decelerationDuration = limitedSpeed / (options.inertiaDeceleration * ease),
			    offset = limitedSpeedVector.multiplyBy(-decelerationDuration / 2).round();

			if (!offset.x && !offset.y) {
				map.fire('moveend');

			} else {
				offset = map._limitOffset(offset, map.options.maxBounds);

				L.Util.requestAnimFrame(function () {
					map.panBy(offset, {
						duration: decelerationDuration,
						easeLinearity: ease,
						noMoveStart: true,
						animate: true
					});
				});
			}
		}
	}
});

// @section Handlers
// @property dragging: Handler
// Map dragging handler (by both mouse and touch).
L.Map.addInitHook('addHandler', 'dragging', L.Map.Drag);



/*
 * L.Handler.DoubleClickZoom is used to handle double-click zoom on the map, enabled by default.
 */

// @namespace Map
// @section Interaction Options

L.Map.mergeOptions({
	// @option doubleClickZoom: Boolean|String = true
	// Whether the map can be zoomed in by double clicking on it and
	// zoomed out by double clicking while holding shift. If passed
	// `'center'`, double-click zoom will zoom to the center of the
	//  view regardless of where the mouse was.
	doubleClickZoom: true
});

L.Map.DoubleClickZoom = L.Handler.extend({
	addHooks: function () {
		this._map.on('dblclick', this._onDoubleClick, this);
	},

	removeHooks: function () {
		this._map.off('dblclick', this._onDoubleClick, this);
	},

	_onDoubleClick: function (e) {
		var map = this._map,
		    oldZoom = map.getZoom(),
		    delta = map.options.zoomDelta,
		    zoom = e.originalEvent.shiftKey ? oldZoom - delta : oldZoom + delta;

		if (map.options.doubleClickZoom === 'center') {
			map.setZoom(zoom);
		} else {
			map.setZoomAround(e.containerPoint, zoom);
		}
	}
});

// @section Handlers
//
// Map properties include interaction handlers that allow you to control
// interaction behavior in runtime, enabling or disabling certain features such
// as dragging or touch zoom (see `Handler` methods). For example:
//
// ```js
// map.doubleClickZoom.disable();
// ```
//
// @property doubleClickZoom: Handler
// Double click zoom handler.
L.Map.addInitHook('addHandler', 'doubleClickZoom', L.Map.DoubleClickZoom);



/*
 * L.Handler.ScrollWheelZoom is used by L.Map to enable mouse scroll wheel zoom on the map.
 */

// @namespace Map
// @section Interaction Options
L.Map.mergeOptions({
	// @section Mousewheel options
	// @option scrollWheelZoom: Boolean|String = true
	// Whether the map can be zoomed by using the mouse wheel. If passed `'center'`,
	// it will zoom to the center of the view regardless of where the mouse was.
	scrollWheelZoom: true,

	// @option wheelDebounceTime: Number = 40
	// Limits the rate at which a wheel can fire (in milliseconds). By default
	// user can't zoom via wheel more often than once per 40 ms.
	wheelDebounceTime: 40,

	// @option wheelPxPerZoomLevel: Number = 60
	// How many scroll pixels (as reported by [L.DomEvent.getWheelDelta](#domevent-getwheeldelta))
	// mean a change of one full zoom level. Smaller values will make wheel-zooming
	// faster (and vice versa).
	wheelPxPerZoomLevel: 60
});

L.Map.ScrollWheelZoom = L.Handler.extend({
	addHooks: function () {
		L.DomEvent.on(this._map._container, 'mousewheel', this._onWheelScroll, this);

		this._delta = 0;
	},

	removeHooks: function () {
		L.DomEvent.off(this._map._container, 'mousewheel', this._onWheelScroll, this);
	},

	_onWheelScroll: function (e) {
		var delta = L.DomEvent.getWheelDelta(e);

		var debounce = this._map.options.wheelDebounceTime;

		this._delta += delta;
		this._lastMousePos = this._map.mouseEventToContainerPoint(e);

		if (!this._startTime) {
			this._startTime = +new Date();
		}

		var left = Math.max(debounce - (+new Date() - this._startTime), 0);

		clearTimeout(this._timer);
		this._timer = setTimeout(L.bind(this._performZoom, this), left);

		L.DomEvent.stop(e);
	},

	_performZoom: function () {
		var map = this._map,
		    zoom = map.getZoom(),
		    snap = this._map.options.zoomSnap || 0;

		map._stop(); // stop panning and fly animations if any

		// map the delta with a sigmoid function to -4..4 range leaning on -1..1
		var d2 = this._delta / (this._map.options.wheelPxPerZoomLevel * 4),
		    d3 = 4 * Math.log(2 / (1 + Math.exp(-Math.abs(d2)))) / Math.LN2,
		    d4 = snap ? Math.ceil(d3 / snap) * snap : d3,
		    delta = map._limitZoom(zoom + (this._delta > 0 ? d4 : -d4)) - zoom;

		this._delta = 0;
		this._startTime = null;

		if (!delta) { return; }

		if (map.options.scrollWheelZoom === 'center') {
			map.setZoom(zoom + delta);
		} else {
			map.setZoomAround(this._lastMousePos, zoom + delta);
		}
	}
});

// @section Handlers
// @property scrollWheelZoom: Handler
// Scroll wheel zoom handler.
L.Map.addInitHook('addHandler', 'scrollWheelZoom', L.Map.ScrollWheelZoom);



/*
 * Extends the event handling code with double tap support for mobile browsers.
 */

L.extend(L.DomEvent, {

	_touchstart: L.Browser.msPointer ? 'MSPointerDown' : L.Browser.pointer ? 'pointerdown' : 'touchstart',
	_touchend: L.Browser.msPointer ? 'MSPointerUp' : L.Browser.pointer ? 'pointerup' : 'touchend',

	// inspired by Zepto touch code by Thomas Fuchs
	addDoubleTapListener: function (obj, handler, id) {
		var last, touch,
		    doubleTap = false,
		    delay = 250;

		function onTouchStart(e) {
			var count;

			if (L.Browser.pointer) {
				count = L.DomEvent._pointersCount;
			} else {
				count = e.touches.length;
			}

			if (count > 1) { return; }

			var now = Date.now(),
			    delta = now - (last || now);

			touch = e.touches ? e.touches[0] : e;
			doubleTap = (delta > 0 && delta <= delay);
			last = now;
		}

		function onTouchEnd() {
			if (doubleTap && !touch.cancelBubble) {
				if (L.Browser.pointer) {
					// work around .type being readonly with MSPointer* events
					var newTouch = {},
					    prop, i;

					for (i in touch) {
						prop = touch[i];
						newTouch[i] = prop && prop.bind ? prop.bind(touch) : prop;
					}
					touch = newTouch;
				}
				touch.type = 'dblclick';
				handler(touch);
				last = null;
			}
		}

		var pre = '_leaflet_',
		    touchstart = this._touchstart,
		    touchend = this._touchend;

		obj[pre + touchstart + id] = onTouchStart;
		obj[pre + touchend + id] = onTouchEnd;
		obj[pre + 'dblclick' + id] = handler;

		obj.addEventListener(touchstart, onTouchStart, false);
		obj.addEventListener(touchend, onTouchEnd, false);

		// On some platforms (notably, chrome on win10 + touchscreen +

package.json

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page-head.html

requirebin.md