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(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 (process){
// 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.

// resolves . and .. elements in a path array with directory names there
// must be no slashes, empty elements, or device names (c:\) in the array
// (so also no leading and trailing slashes - it does not distinguish
// relative and absolute paths)
function normalizeArray(parts, allowAboveRoot) {
  // if the path tries to go above the root, `up` ends up > 0
  var up = 0;
  for (var i = parts.length - 1; i >= 0; i--) {
    var last = parts[i];
    if (last === '.') {
      parts.splice(i, 1);
    } else if (last === '..') {
      parts.splice(i, 1);
      up++;
    } else if (up) {
      parts.splice(i, 1);
      up--;
    }
  }

  // if the path is allowed to go above the root, restore leading ..s
  if (allowAboveRoot) {
    for (; up--; up) {
      parts.unshift('..');
    }
  }

  return parts;
}

// Split a filename into [root, dir, basename, ext], unix version
// 'root' is just a slash, or nothing.
var splitPathRe =
    /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
var splitPath = function(filename) {
  return splitPathRe.exec(filename).slice(1);
};

// path.resolve([from ...], to)
// posix version
exports.resolve = function() {
  var resolvedPath = '',
      resolvedAbsolute = false;

  for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
    var path = (i >= 0) ? arguments[i] : process.cwd();

    // Skip empty and invalid entries
    if (typeof path !== 'string') {
      throw new TypeError('Arguments to path.resolve must be strings');
    } else if (!path) {
      continue;
    }

    resolvedPath = path + '/' + resolvedPath;
    resolvedAbsolute = path.charAt(0) === '/';
  }

  // At this point the path should be resolved to a full absolute path, but
  // handle relative paths to be safe (might happen when process.cwd() fails)

  // Normalize the path
  resolvedPath = normalizeArray(filter(resolvedPath.split('/'), function(p) {
    return !!p;
  }), !resolvedAbsolute).join('/');

  return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.';
};

// path.normalize(path)
// posix version
exports.normalize = function(path) {
  var isAbsolute = exports.isAbsolute(path),
      trailingSlash = substr(path, -1) === '/';

  // Normalize the path
  path = normalizeArray(filter(path.split('/'), function(p) {
    return !!p;
  }), !isAbsolute).join('/');

  if (!path && !isAbsolute) {
    path = '.';
  }
  if (path && trailingSlash) {
    path += '/';
  }

  return (isAbsolute ? '/' : '') + path;
};

// posix version
exports.isAbsolute = function(path) {
  return path.charAt(0) === '/';
};

// posix version
exports.join = function() {
  var paths = Array.prototype.slice.call(arguments, 0);
  return exports.normalize(filter(paths, function(p, index) {
    if (typeof p !== 'string') {
      throw new TypeError('Arguments to path.join must be strings');
    }
    return p;
  }).join('/'));
};


// path.relative(from, to)
// posix version
exports.relative = function(from, to) {
  from = exports.resolve(from).substr(1);
  to = exports.resolve(to).substr(1);

  function trim(arr) {
    var start = 0;
    for (; start < arr.length; start++) {
      if (arr[start] !== '') break;
    }

    var end = arr.length - 1;
    for (; end >= 0; end--) {
      if (arr[end] !== '') break;
    }

    if (start > end) return [];
    return arr.slice(start, end - start + 1);
  }

  var fromParts = trim(from.split('/'));
  var toParts = trim(to.split('/'));

  var length = Math.min(fromParts.length, toParts.length);
  var samePartsLength = length;
  for (var i = 0; i < length; i++) {
    if (fromParts[i] !== toParts[i]) {
      samePartsLength = i;
      break;
    }
  }

  var outputParts = [];
  for (var i = samePartsLength; i < fromParts.length; i++) {
    outputParts.push('..');
  }

  outputParts = outputParts.concat(toParts.slice(samePartsLength));

  return outputParts.join('/');
};

exports.sep = '/';
exports.delimiter = ':';

exports.dirname = function(path) {
  var result = splitPath(path),
      root = result[0],
      dir = result[1];

  if (!root && !dir) {
    // No dirname whatsoever
    return '.';
  }

  if (dir) {
    // It has a dirname, strip trailing slash
    dir = dir.substr(0, dir.length - 1);
  }

  return root + dir;
};


exports.basename = function(path, ext) {
  var f = splitPath(path)[2];
  // TODO: make this comparison case-insensitive on windows?
  if (ext && f.substr(-1 * ext.length) === ext) {
    f = f.substr(0, f.length - ext.length);
  }
  return f;
};


exports.extname = function(path) {
  return splitPath(path)[3];
};

function filter (xs, f) {
    if (xs.filter) return xs.filter(f);
    var res = [];
    for (var i = 0; i < xs.length; i++) {
        if (f(xs[i], i, xs)) res.push(xs[i]);
    }
    return res;
}

// String.prototype.substr - negative index don't work in IE8
var substr = 'ab'.substr(-1) === 'b'
    ? function (str, start, len) { return str.substr(start, len) }
    : function (str, start, len) {
        if (start < 0) start = str.length + start;
        return str.substr(start, len);
    }
;

}).call(this,require('_process'))
},{"_process":3}],3:[function(require,module,exports){
// shim for using process in browser
var process = module.exports = {};

// cached from whatever global is present so that test runners that stub it
// don't break things.  But we need to wrap it in a try catch in case it is
// wrapped in strict mode code which doesn't define any globals.  It's inside a
// function because try/catches deoptimize in certain engines.

var cachedSetTimeout;
var cachedClearTimeout;

function defaultSetTimout() {
    throw new Error('setTimeout has not been defined');
}
function defaultClearTimeout () {
    throw new Error('clearTimeout has not been defined');
}
(function () {
    try {
        if (typeof setTimeout === 'function') {
            cachedSetTimeout = setTimeout;
        } else {
            cachedSetTimeout = defaultSetTimout;
        }
    } catch (e) {
        cachedSetTimeout = defaultSetTimout;
    }
    try {
        if (typeof clearTimeout === 'function') {
            cachedClearTimeout = clearTimeout;
        } else {
            cachedClearTimeout = defaultClearTimeout;
        }
    } catch (e) {
        cachedClearTimeout = defaultClearTimeout;
    }
} ())
function runTimeout(fun) {
    if (cachedSetTimeout === setTimeout) {
        //normal enviroments in sane situations
        return setTimeout(fun, 0);
    }
    // if setTimeout wasn't available but was latter defined
    if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) {
        cachedSetTimeout = setTimeout;
        return setTimeout(fun, 0);
    }
    try {
        // when when somebody has screwed with setTimeout but no I.E. maddness
        return cachedSetTimeout(fun, 0);
    } catch(e){
        try {
            // When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
            return cachedSetTimeout.call(null, fun, 0);
        } catch(e){
            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
            return cachedSetTimeout.call(this, fun, 0);
        }
    }


}
function runClearTimeout(marker) {
    if (cachedClearTimeout === clearTimeout) {
        //normal enviroments in sane situations
        return clearTimeout(marker);
    }
    // if clearTimeout wasn't available but was latter defined
    if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) {
        cachedClearTimeout = clearTimeout;
        return clearTimeout(marker);
    }
    try {
        // when when somebody has screwed with setTimeout but no I.E. maddness
        return cachedClearTimeout(marker);
    } catch (e){
        try {
            // When we are in I.E. but the script has been evaled so I.E. doesn't  trust the global object when called normally
            return cachedClearTimeout.call(null, marker);
        } catch (e){
            // same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
            // Some versions of I.E. have different rules for clearTimeout vs setTimeout
            return cachedClearTimeout.call(this, marker);
        }
    }



}
var queue = [];
var draining = false;
var currentQueue;
var queueIndex = -1;

function cleanUpNextTick() {
    if (!draining || !currentQueue) {
        return;
    }
    draining = false;
    if (currentQueue.length) {
        queue = currentQueue.concat(queue);
    } else {
        queueIndex = -1;
    }
    if (queue.length) {
        drainQueue();
    }
}

function drainQueue() {
    if (draining) {
        return;
    }
    var timeout = runTimeout(cleanUpNextTick);
    draining = true;

    var len = queue.length;
    while(len) {
        currentQueue = queue;
        queue = [];
        while (++queueIndex < len) {
            if (currentQueue) {
                currentQueue[queueIndex].run();
            }
        }
        queueIndex = -1;
        len = queue.length;
    }
    currentQueue = null;
    draining = false;
    runClearTimeout(timeout);
}

process.nextTick = function (fun) {
    var args = new Array(arguments.length - 1);
    if (arguments.length > 1) {
        for (var i = 1; i < arguments.length; i++) {
            args[i - 1] = arguments[i];
        }
    }
    queue.push(new Item(fun, args));
    if (queue.length === 1 && !draining) {
        runTimeout(drainQueue);
    }
};

// v8 likes predictible objects
function Item(fun, array) {
    this.fun = fun;
    this.array = array;
}
Item.prototype.run = function () {
    this.fun.apply(null, this.array);
};
process.title = 'browser';
process.browser = true;
process.env = {};
process.argv = [];
process.version = ''; // empty string to avoid regexp issues
process.versions = {};

function noop() {}

process.on = noop;
process.addListener = noop;
process.once = noop;
process.off = noop;
process.removeListener = noop;
process.removeAllListeners = noop;
process.emit = noop;
process.prependListener = noop;
process.prependOnceListener = noop;

process.listeners = function (name) { return [] }

process.binding = function (name) {
    throw new Error('process.binding is not supported');
};

process.cwd = function () { return '/' };
process.chdir = function (dir) {
    throw new Error('process.chdir is not supported');
};
process.umask = function() { return 0; };

},{}],4:[function(require,module,exports){
//This is for browserify to build the required CSS module into something we can use in the browser. 
window.css = require('css');

},{"css":6}],5:[function(require,module,exports){
(function (process,__filename){
/** vim: et:ts=4:sw=4:sts=4
 * @license amdefine 1.0.1 Copyright (c) 2011-2016, The Dojo Foundation All Rights Reserved.
 * Available via the MIT or new BSD license.
 * see: http://github.com/jrburke/amdefine for details
 */

/*jslint node: true */
/*global module, process */
'use strict';

/**
 * Creates a define for node.
 * @param {Object} module the "module" object that is defined by Node for the
 * current module.
 * @param {Function} [requireFn]. Node's require function for the current module.
 * It only needs to be passed in Node versions before 0.5, when module.require
 * did not exist.
 * @returns {Function} a define function that is usable for the current node
 * module.
 */
function amdefine(module, requireFn) {
    'use strict';
    var defineCache = {},
        loaderCache = {},
        alreadyCalled = false,
        path = require('path'),
        makeRequire, stringRequire;

    /**
     * Trims the . and .. from an array of path segments.
     * It will keep a leading path segment if a .. will become
     * the first path segment, to help with module name lookups,
     * which act like paths, but can be remapped. But the end result,
     * all paths that use this function should look normalized.
     * NOTE: this method MODIFIES the input array.
     * @param {Array} ary the array of path segments.
     */
    function trimDots(ary) {
        var i, part;
        for (i = 0; ary[i]; i+= 1) {
            part = ary[i];
            if (part === '.') {
                ary.splice(i, 1);
                i -= 1;
            } else if (part === '..') {
                if (i === 1 && (ary[2] === '..' || ary[0] === '..')) {
                    //End of the line. Keep at least one non-dot
                    //path segment at the front so it can be mapped
                    //correctly to disk. Otherwise, there is likely
                    //no path mapping for a path starting with '..'.
                    //This can still fail, but catches the most reasonable
                    //uses of ..
                    break;
                } else if (i > 0) {
                    ary.splice(i - 1, 2);
                    i -= 2;
                }
            }
        }
    }

    function normalize(name, baseName) {
        var baseParts;

        //Adjust any relative paths.
        if (name && name.charAt(0) === '.') {
            //If have a base name, try to normalize against it,
            //otherwise, assume it is a top-level require that will
            //be relative to baseUrl in the end.
            if (baseName) {
                baseParts = baseName.split('/');
                baseParts = baseParts.slice(0, baseParts.length - 1);
                baseParts = baseParts.concat(name.split('/'));
                trimDots(baseParts);
                name = baseParts.join('/');
            }
        }

        return name;
    }

    /**
     * Create the normalize() function passed to a loader plugin's
     * normalize method.
     */
    function makeNormalize(relName) {
        return function (name) {
            return normalize(name, relName);
        };
    }

    function makeLoad(id) {
        function load(value) {
            loaderCache[id] = value;
        }

        load.fromText = function (id, text) {
            //This one is difficult because the text can/probably uses
            //define, and any relative paths and requires should be relative
            //to that id was it would be found on disk. But this would require
            //bootstrapping a module/require fairly deeply from node core.
            //Not sure how best to go about that yet.
            throw new Error('amdefine does not implement load.fromText');
        };

        return load;
    }

    makeRequire = function (systemRequire, exports, module, relId) {
        function amdRequire(deps, callback) {
            if (typeof deps === 'string') {
                //Synchronous, single module require('')
                return stringRequire(systemRequire, exports, module, deps, relId);
            } else {
                //Array of dependencies with a callback.

                //Convert the dependencies to modules.
                deps = deps.map(function (depName) {
                    return stringRequire(systemRequire, exports, module, depName, relId);
                });

                //Wait for next tick to call back the require call.
                if (callback) {
                    process.nextTick(function () {
                        callback.apply(null, deps);
                    });
                }
            }
        }

        amdRequire.toUrl = function (filePath) {
            if (filePath.indexOf('.') === 0) {
                return normalize(filePath, path.dirname(module.filename));
            } else {
                return filePath;
            }
        };

        return amdRequire;
    };

    //Favor explicit value, passed in if the module wants to support Node 0.4.
    requireFn = requireFn || function req() {
        return module.require.apply(module, arguments);
    };

    function runFactory(id, deps, factory) {
        var r, e, m, result;

        if (id) {
            e = loaderCache[id] = {};
            m = {
                id: id,
                uri: __filename,
                exports: e
            };
            r = makeRequire(requireFn, e, m, id);
        } else {
            //Only support one define call per file
            if (alreadyCalled) {
                throw new Error('amdefine with no module ID cannot be called more than once per file.');
            }
            alreadyCalled = true;

            //Use the real variables from node
            //Use module.exports for exports, since
            //the exports in here is amdefine exports.
            e = module.exports;
            m = module;
            r = makeRequire(requireFn, e, m, module.id);
        }

        //If there are dependencies, they are strings, so need
        //to convert them to dependency values.
        if (deps) {
            deps = deps.map(function (depName) {
                return r(depName);
            });
        }

        //Call the factory with the right dependencies.
        if (typeof factory === 'function') {
            result = factory.apply(m.exports, deps);
        } else {
            result = factory;
        }

        if (result !== undefined) {
            m.exports = result;
            if (id) {
                loaderCache[id] = m.exports;
            }
        }
    }

    stringRequire = function (systemRequire, exports, module, id, relId) {
        //Split the ID by a ! so that
        var index = id.indexOf('!'),
            originalId = id,
            prefix, plugin;

        if (index === -1) {
            id = normalize(id, relId);

            //Straight module lookup. If it is one of the special dependencies,
            //deal with it, otherwise, delegate to node.
            if (id === 'require') {
                return makeRequire(systemRequire, exports, module, relId);
            } else if (id === 'exports') {
                return exports;
            } else if (id === 'module') {
                return module;
            } else if (loaderCache.hasOwnProperty(id)) {
                return loaderCache[id];
            } else if (defineCache[id]) {
                runFactory.apply(null, defineCache[id]);
                return loaderCache[id];
            } else {
                if(systemRequire) {
                    return systemRequire(originalId);
                } else {
                    throw new Error('No module with ID: ' + id);
                }
            }
        } else {
            //There is a plugin in play.
            prefix = id.substring(0, index);
            id = id.substring(index + 1, id.length);

            plugin = stringRequire(systemRequire, exports, module, prefix, relId);

            if (plugin.normalize) {
                id = plugin.normalize(id, makeNormalize(relId));
            } else {
                //Normalize the ID normally.
                id = normalize(id, relId);
            }

            if (loaderCache[id]) {
                return loaderCache[id];
            } else {
                plugin.load(id, makeRequire(systemRequire, exports, module, relId), makeLoad(id), {});

                return loaderCache[id];
            }
        }
    };

    //Create a define function specific to the module asking for amdefine.
    function define(id, deps, factory) {
        if (Array.isArray(id)) {
            factory = deps;
            deps = id;
            id = undefined;
        } else if (typeof id !== 'string') {
            factory = id;
            id = deps = undefined;
        }

        if (deps && !Array.isArray(deps)) {
            factory = deps;
            deps = undefined;
        }

        if (!deps) {
            deps = ['require', 'exports', 'module'];
        }

        //Set up properties for this module. If an ID, then use
        //internal cache. If no ID, then use the external variables
        //for this node module.
        if (id) {
            //Put the module in deep freeze until there is a
            //require call for it.
            defineCache[id] = [id, deps, factory];
        } else {
            runFactory(id, deps, factory);
        }
    }

    //define.require, which has access to all the values in the
    //cache. Useful for AMD modules that all have IDs in the file,
    //but need to finally export a value to node based on one of those
    //IDs.
    define.require = function (id) {
        if (loaderCache[id]) {
            return loaderCache[id];
        }

        if (defineCache[id]) {
            runFactory.apply(null, defineCache[id]);
            return loaderCache[id];
        }
    };

    define.amd = {};

    return define;
}

module.exports = amdefine;

}).call(this,require('_process'),"/node_modules\\amdefine\\amdefine.js")
},{"_process":3,"path":2}],6:[function(require,module,exports){
exports.parse = require('./lib/parse');
exports.stringify = require('./lib/stringify');

},{"./lib/parse":7,"./lib/stringify":11}],7:[function(require,module,exports){
// http://www.w3.org/TR/CSS21/grammar.html
// https://github.com/visionmedia/css-parse/pull/49#issuecomment-30088027
var commentre = /\/\*[^*]*\*+([^/*][^*]*\*+)*\//g

module.exports = function(css, options){
  options = options || {};

  /**
   * Positional.
   */

  var lineno = 1;
  var column = 1;

  /**
   * Update lineno and column based on `str`.
   */

  function updatePosition(str) {
    var lines = str.match(/\n/g);
    if (lines) lineno += lines.length;
    var i = str.lastIndexOf('\n');
    column = ~i ? str.length - i : column + str.length;
  }

  /**
   * Mark position and patch `node.position`.
   */

  function position() {
    var start = { line: lineno, column: column };
    return function(node){
      node.position = new Position(start);
      whitespace();
      return node;
    };
  }

  /**
   * Store position information for a node
   */

  function Position(start) {
    this.start = start;
    this.end = { line: lineno, column: column };
    this.source = options.source;
  }

  /**
   * Non-enumerable source string
   */

  Position.prototype.content = css;

  /**
   * Error `msg`.
   */

  var errorsList = [];

  function error(msg) {
    var err = new Error(options.source + ':' + lineno + ':' + column + ': ' + msg);
    err.reason = msg;
    err.filename = options.source;
    err.line = lineno;
    err.column = column;
    err.source = css;

    if (options.silent) {
      errorsList.push(err);
    } else {
      throw err;
    }
  }

  /**
   * Parse stylesheet.
   */

  function stylesheet() {
    var rulesList = rules();

    return {
      type: 'stylesheet',
      stylesheet: {
        rules: rulesList,
        parsingErrors: errorsList
      }
    };
  }

  /**
   * Opening brace.
   */

  function open() {
    return match(/^{\s*/);
  }

  /**
   * Closing brace.
   */

  function close() {
    return match(/^}/);
  }

  /**
   * Parse ruleset.
   */

  function rules() {
    var node;
    var rules = [];
    whitespace();
    comments(rules);
    while (css.length && css.charAt(0) != '}' && (node = atrule() || rule())) {
      if (node !== false) {
        rules.push(node);
        comments(rules);
      }
    }
    return rules;
  }

  /**
   * Match `re` and return captures.
   */

  function match(re) {
    var m = re.exec(css);
    if (!m) return;
    var str = m[0];
    updatePosition(str);
    css = css.slice(str.length);
    return m;
  }

  /**
   * Parse whitespace.
   */

  function whitespace() {
    match(/^\s*/);
  }

  /**
   * Parse comments;
   */

  function comments(rules) {
    var c;
    rules = rules || [];
    while (c = comment()) {
      if (c !== false) {
        rules.push(c);
      }
    }
    return rules;
  }

  /**
   * Parse comment.
   */

  function comment() {
    var pos = position();
    if ('/' != css.charAt(0) || '*' != css.charAt(1)) return;

    var i = 2;
    while ("" != css.charAt(i) && ('*' != css.charAt(i) || '/' != css.charAt(i + 1))) ++i;
    i += 2;

    if ("" === css.charAt(i-1)) {
      return error('End of comment missing');
    }

    var str = css.slice(2, i - 2);
    column += 2;
    updatePosition(str);
    css = css.slice(i);
    column += 2;

    return pos({
      type: 'comment',
      comment: str
    });
  }

  /**
   * Parse selector.
   */

  function selector() {
    var m = match(/^([^{]+)/);
    if (!m) return;
    /* @fix Remove all comments from selectors
     * http://ostermiller.org/findcomment.html */
    return trim(m[0])
      .replace(/\/\*([^*]|[\r\n]|(\*+([^*/]|[\r\n])))*\*\/+/g, '')
      .replace(/"(?:\\"|[^"])*"|'(?:\\'|[^'])*'/g, function(m) {
        return m.replace(/,/g, '\u200C');
      })
      .split(/\s*(?![^(]*\)),\s*/)
      .map(function(s) {
        return s.replace(/\u200C/g, ',');
      });
  }

  /**
   * Parse declaration.
   */

  function declaration() {
    var pos = position();

    // prop
    var prop = match(/^(\*?[-#\/\*\\\w]+(\[[0-9a-z_-]+\])?)\s*/);
    if (!prop) return;
    prop = trim(prop[0]);

    // :
    if (!match(/^:\s*/)) return error("property missing ':'");

    // val
    var val = match(/^((?:'(?:\\'|.)*?'|"(?:\\"|.)*?"|\([^\)]*?\)|[^};])+)/);

    var ret = pos({
      type: 'declaration',
      property: prop.replace(commentre, ''),
      value: val ? trim(val[0]).replace(commentre, '') : ''
    });

    // ;
    match(/^[;\s]*/);

    return ret;
  }

  /**
   * Parse declarations.
   */

  function declarations() {
    var decls = [];

    if (!open()) return error("missing '{'");
    comments(decls);

    // declarations
    var decl;
    while (decl = declaration()) {
      if (decl !== false) {
        decls.push(decl);
        comments(decls);
      }
    }

    if (!close()) return error("missing '}'");
    return decls;
  }

  /**
   * Parse keyframe.
   */

  function keyframe() {
    var m;
    var vals = [];
    var pos = position();

    while (m = match(/^((\d+\.\d+|\.\d+|\d+)%?|[a-z]+)\s*/)) {
      vals.push(m[1]);
      match(/^,\s*/);
    }

    if (!vals.length) return;

    return pos({
      type: 'keyframe',
      values: vals,
      declarations: declarations()
    });
  }

  /**
   * Parse keyframes.
   */

  function atkeyframes() {
    var pos = position();
    var m = match(/^@([-\w]+)?keyframes\s*/);

    if (!m) return;
    var vendor = m[1];

    // identifier
    var m = match(/^([-\w]+)\s*/);
    if (!m) return error("@keyframes missing name");
    var name = m[1];

    if (!open()) return error("@keyframes missing '{'");

    var frame;
    var frames = comments();
    while (frame = keyframe()) {
      frames.push(frame);
      frames = frames.concat(comments());
    }

    if (!close()) return error("@keyframes missing '}'");

    return pos({
      type: 'keyframes',
      name: name,
      vendor: vendor,
      keyframes: frames
    });
  }

  /**
   * Parse supports.
   */

  function atsupports() {
    var pos = position();
    var m = match(/^@supports *([^{]+)/);

    if (!m) return;
    var supports = trim(m[1]);

    if (!open()) return error("@supports missing '{'");

    var style = comments().concat(rules());

    if (!close()) return error("@supports missing '}'");

    return pos({
      type: 'supports',
      supports: supports,
      rules: style
    });
  }

  /**
   * Parse host.
   */

  function athost() {
    var pos = position();
    var m = match(/^@host\s*/);

    if (!m) return;

    if (!open()) return error("@host missing '{'");

    var style = comments().concat(rules());

    if (!close()) return error("@host missing '}'");

    return pos({
      type: 'host',
      rules: style
    });
  }

  /**
   * Parse media.
   */

  function atmedia() {
    var pos = position();
    var m = match(/^@media *([^{]+)/);

    if (!m) return;
    var media = trim(m[1]);

    if (!open()) return error("@media missing '{'");

    var style = comments().concat(rules());

    if (!close()) return error("@media missing '}'");

    return pos({
      type: 'media',
      media: media,
      rules: style
    });
  }


  /**
   * Parse custom-media.
   */

  function atcustommedia() {
    var pos = position();
    var m = match(/^@custom-media\s+(--[^\s]+)\s*([^{;]+);/);
    if (!m) return;

    return pos({
      type: 'custom-media',
      name: trim(m[1]),
      media: trim(m[2])
    });
  }

  /**
   * Parse paged media.
   */

  function atpage() {
    var pos = position();
    var m = match(/^@page */);
    if (!m) return;

    var sel = selector() || [];

    if (!open()) return error("@page missing '{'");
    var decls = comments();

    // declarations
    var decl;
    while (decl = declaration()) {
      decls.push(decl);
      decls = decls.concat(comments());
    }

    if (!close()) return error("@page missing '}'");

    return pos({
      type: 'page',
      selectors: sel,
      declarations: decls
    });
  }

  /**
   * Parse document.
   */

  function atdocument() {
    var pos = position();
    var m = match(/^@([-\w]+)?document *([^{]+)/);
    if (!m) return;

    var vendor = trim(m[1]);
    var doc = trim(m[2]);

    if (!open()) return error("@document missing '{'");

    var style = comments().concat(rules());

    if (!close()) return error("@document missing '}'");

    return pos({
      type: 'document',
      document: doc,
      vendor: vendor,
      rules: style
    });
  }

  /**
   * Parse font-face.
   */

  function atfontface() {
    var pos = position();
    var m = match(/^@font-face\s*/);
    if (!m) return;

    if (!open()) return error("@font-face missing '{'");
    var decls = comments();

    // declarations
    var decl;
    while (decl = declaration()) {
      decls.push(decl);
      decls = decls.concat(comments());
    }

    if (!close()) return error("@font-face missing '}'");

    return pos({
      type: 'font-face',
      declarations: decls
    });
  }

  /**
   * Parse import
   */

  var atimport = _compileAtrule('import');

  /**
   * Parse charset
   */

  var atcharset = _compileAtrule('charset');

  /**
   * Parse namespace
   */

  var atnamespace = _compileAtrule('namespace');

  /**
   * Parse non-block at-rules
   */


  function _compileAtrule(name) {
    var re = new RegExp('^@' + name + '\\s*([^;]+);');
    return function() {
      var pos = position();
      var m = match(re);
      if (!m) return;
      var ret = { type: name };
      ret[name] = m[1].trim();
      return pos(ret);
    }
  }

  /**
   * Parse at rule.
   */

  function atrule() {
    if (css[0] != '@') return;

    return atkeyframes()
      || atmedia()
      || atcustommedia()
      || atsupports()
      || atimport()
      || atcharset()
      || atnamespace()
      || atdocument()
      || atpage()
      || athost()
      || atfontface();
  }

  /**
   * Parse rule.
   */

  function rule() {
    var pos = position();
    var sel = selector();

    if (!sel) return error('selector missing');
    comments();

    return pos({
      type: 'rule',
      selectors: sel,
      declarations: declarations()
    });
  }

  return addParent(stylesheet());
};

/**
 * Trim `str`.
 */

function trim(str) {
  return str ? str.replace(/^\s+|\s+$/g, '') : '';
}

/**
 * Adds non-enumerable parent node reference to each node.
 */

function addParent(obj, parent) {
  var isNode = obj && typeof obj.type === 'string';
  var childParent = isNode ? obj : parent;

  for (var k in obj) {
    var value = obj[k];
    if (Array.isArray(value)) {
      value.forEach(function(v) { addParent(v, childParent); });
    } else if (value && typeof value === 'object') {
      addParent(value, childParent);
    }
  }

  if (isNode) {
    Object.defineProperty(obj, 'parent', {
      configurable: true,
      writable: true,
      enumerable: false,
      value: parent || null
    });
  }

  return obj;
}

},{}],8:[function(require,module,exports){

/**
 * Expose `Compiler`.
 */

module.exports = Compiler;

/**
 * Initialize a compiler.
 *
 * @param {Type} name
 * @return {Type}
 * @api public
 */

function Compiler(opts) {
  this.options = opts || {};
}

/**
 * Emit `str`
 */

Compiler.prototype.emit = function(str) {
  return str;
};

/**
 * Visit `node`.
 */

Compiler.prototype.visit = function(node){
  return this[node.type](node);
};

/**
 * Map visit over array of `nodes`, optionally using a `delim`
 */

Compiler.prototype.mapVisit = function(nodes, delim){
  var buf = '';
  delim = delim || '';

  for (var i = 0, length = nodes.length; i < length; i++) {
    buf += this.visit(nodes[i]);
    if (delim && i < length - 1) buf += this.emit(delim);
  }

  return buf;
};

},{}],9:[function(require,module,exports){

/**
 * Module dependencies.
 */

var Base = require('./compiler');
var inherits = require('inherits');

/**
 * Expose compiler.
 */

module.exports = Compiler;

/**
 * Initialize a new `Compiler`.
 */

function Compiler(options) {
  Base.call(this, options);
}

/**
 * Inherit from `Base.prototype`.
 */

inherits(Compiler, Base);

/**
 * Compile `node`.
 */

Compiler.prototype.compile = function(node){
  return node.stylesheet
    .rules.map(this.visit, this)
    .join('');
};

/**
 * Visit comment node.
 */

Compiler.prototype.comment = function(node){
  return this.emit('', node.position);
};

/**
 * Visit import node.
 */

Compiler.prototype.import = function(node){
  return this.emit('@import ' + node.import + ';', node.position);
};

/**
 * Visit media node.
 */

Compiler.prototype.media = function(node){
  return this.emit('@media ' + node.media, node.position)
    + this.emit('{')
    + this.mapVisit(node.rules)
    + this.emit('}');
};

/**
 * Visit document node.
 */

Compiler.prototype.document = function(node){
  var doc = '@' + (node.vendor || '') + 'document ' + node.document;

  return this.emit(doc, node.position)
    + this.emit('{')
    + this.mapVisit(node.rules)
    + this.emit('}');
};

/**
 * Visit charset node.
 */

Compiler.prototype.charset = function(node){
  return this.emit('@charset ' + node.charset + ';', node.position);
};

/**
 * Visit namespace node.
 */

Compiler.prototype.namespace = function(node){
  return this.emit('@namespace ' + node.namespace + ';', node.position);
};

/**
 * Visit supports node.
 */

Compiler.prototype.supports = function(node){
  return this.emit('@supports ' + node.supports, node.position)
    + this.emit('{')
    + this.mapVisit(node.rules)
    + this.emit('}');
};

/**
 * Visit keyframes node.
 */

Compiler.prototype.keyframes = function(node){
  return this.emit('@'
    + (node.vendor || '')
    + 'keyframes '
    + node.name, node.position)
    + this.emit('{')
    + this.mapVisit(node.keyframes)
    + this.emit('}');
};

/**
 * Visit keyframe node.
 */

Compiler.prototype.keyframe = function(node){
  var decls = node.declarations;

  return this.emit(node.values.join(','), node.position)
    + this.emit('{')
    + this.mapVisit(decls)
    + this.emit('}');
};

/**
 * Visit page node.
 */

Compiler.prototype.page = function(node){
  var sel = node.selectors.length
    ? node.selectors.join(', ')
    : '';

  return this.emit('@page ' + sel, node.position)
    + this.emit('{')
    + this.mapVisit(node.declarations)
    + this.emit('}');
};

/**
 * Visit font-face node.
 */

Compiler.prototype['font-face'] = function(node){
  return this.emit('@font-face', node.position)
    + this.emit('{')
    + this.mapVisit(node.declarations)
    + this.emit('}');
};

/**
 * Visit host node.
 */

Compiler.prototype.host = function(node){
  return this.emit('@host', node.position)
    + this.emit('{')
    + this.mapVisit(node.rules)
    + this.emit('}');
};

/**
 * Visit custom-media node.
 */

Compiler.prototype['custom-media'] = function(node){
  return this.emit('@custom-media ' + node.name + ' ' + node.media + ';', node.position);
};

/**
 * Visit rule node.
 */

Compiler.prototype.rule = function(node){
  var decls = node.declarations;
  if (!decls.length) return '';

  return this.emit(node.selectors.join(','), node.position)
    + this.emit('{')
    + this.mapVisit(decls)
    + this.emit('}');
};

/**
 * Visit declaration node.
 */

Compiler.prototype.declaration = function(node){
  return this.emit(node.property + ':' + node.value, node.position) + this.emit(';');
};


},{"./compiler":8,"inherits":13}],10:[function(require,module,exports){

/**
 * Module dependencies.
 */

var Base = require('./compiler');
var inherits = require('inherits');

/**
 * Expose compiler.
 */

module.exports = Compiler;

/**
 * Initialize a new `Compiler`.
 */

function Compiler(options) {
  options = options || {};
  Base.call(this, options);
  this.indentation = options.indent;
}

/**
 * Inherit from `Base.prototype`.
 */

inherits(Compiler, Base);

/**
 * Compile `node`.
 */

Compiler.prototype.compile = function(node){
  return this.stylesheet(node);
};

/**
 * Visit stylesheet node.
 */

Compiler.prototype.stylesheet = function(node){
  return this.mapVisit(node.stylesheet.rules, '\n\n');
};

/**
 * Visit comment node.
 */

Compiler.prototype.comment = function(node){
  return this.emit(this.indent() + '/*' + node.comment + '*/', node.position);
};

/**
 * Visit import node.
 */

Compiler.prototype.import = function(node){
  return this.emit('@import ' + node.import + ';', node.position);
};

/**
 * Visit media node.
 */

Compiler.prototype.media = function(node){
  return this.emit('@media ' + node.media, node.position)
    + this.emit(
        ' {\n'
        + this.indent(1))
    + this.mapVisit(node.rules, '\n\n')
    + this.emit(
        this.indent(-1)
        + '\n}');
};

/**
 * Visit document node.
 */

Compiler.prototype.document = function(node){
  var doc = '@' + (node.vendor || '') + 'document ' + node.document;

  return this.emit(doc, node.position)
    + this.emit(
        ' '
      + ' {\n'
      + this.indent(1))
    + this.mapVisit(node.rules, '\n\n')
    + this.emit(
        this.indent(-1)
        + '\n}');
};

/**
 * Visit charset node.
 */

Compiler.prototype.charset = function(node){
  return this.emit('@charset ' + node.charset + ';', node.position);
};

/**
 * Visit namespace node.
 */

Compiler.prototype.namespace = function(node){
  return this.emit('@namespace ' + node.namespace + ';', node.position);
};

/**
 * Visit supports node.
 */

Compiler.prototype.supports = function(node){
  return this.emit('@supports ' + node.supports, node.position)
    + this.emit(
      ' {\n'
      + this.indent(1))
    + this.mapVisit(node.rules, '\n\n')
    + this.emit(
        this.indent(-1)
        + '\n}');
};

/**
 * Visit keyframes node.
 */

Compiler.prototype.keyframes = function(node){
  return this.emit('@' + (node.vendor || '') + 'keyframes ' + node.name, node.position)
    + this.emit(
      ' {\n'
      + this.indent(1))
    + this.mapVisit(node.keyframes, '\n')
    + this.emit(
        this.indent(-1)
        + '}');
};

/**
 * Visit keyframe node.
 */

Compiler.prototype.keyframe = function(node){
  var decls = node.declarations;

  return this.emit(this.indent())
    + this.emit(node.values.join(', '), node.position)
    + this.emit(
      ' {\n'
      + this.indent(1))
    + this.mapVisit(decls, '\n')
    + this.emit(
      this.indent(-1)
      + '\n'
      + this.indent() + '}\n');
};

/**
 * Visit page node.
 */

Compiler.prototype.page = function(node){
  var sel = node.selectors.length
    ? node.selectors.join(', ') + ' '
    : '';

  return this.emit('@page ' + sel, node.position)
    + this.emit('{\n')
    + this.emit(this.indent(1))
    + this.mapVisit(node.declarations, '\n')
    + this.emit(this.indent(-1))
    + this.emit('\n}');
};

/**
 * Visit font-face node.
 */

Compiler.prototype['font-face'] = function(node){
  return this.emit('@font-face ', node.position)
    + this.emit('{\n')
    + this.emit(this.indent(1))
    + this.mapVisit(node.declarations, '\n')
    + this.emit(this.indent(-1))
    + this.emit('\n}');
};

/**
 * Visit host node.
 */

Compiler.prototype.host = function(node){
  return this.emit('@host', node.position)
    + this.emit(
        ' {\n'
        + this.indent(1))
    + this.mapVisit(node.rules, '\n\n')
    + this.emit(
        this.indent(-1)
        + '\n}');
};

/**
 * Visit custom-media node.
 */

Compiler.prototype['custom-media'] = function(node){
  return this.emit('@custom-media ' + node.name + ' ' + node.media + ';', node.position);
};

/**
 * Visit rule node.
 */

Compiler.prototype.rule = function(node){
  var indent = this.indent();
  var decls = node.declarations;
  if (!decls.length) return '';

  return this.emit(node.selectors.map(function(s){ return indent + s }).join(',\n'), node.position)
    + this.emit(' {\n')
    + this.emit(this.indent(1))
    + this.mapVisit(decls, '\n')
    + this.emit(this.indent(-1))
    + this.emit('\n' + this.indent() + '}');
};

/**
 * Visit declaration node.
 */

Compiler.prototype.declaration = function(node){
  return this.emit(this.indent())
    + this.emit(node.property + ': ' + node.value, node.position)
    + this.emit(';');
};

/**
 * Increase, decrease or return current indentation.
 */

Compiler.prototype.indent = function(level) {
  this.level = this.level || 1;

  if (null != level) {
    this.level += level;
    return '';
  }

  return Array(this.level).join(this.indentation || '  ');
};

},{"./compiler":8,"inherits":13}],11:[function(require,module,exports){

/**
 * Module dependencies.
 */

var Compressed = require('./compress');
var Identity = require('./identity');

/**
 * Stringfy the given AST `node`.
 *
 * Options:
 *
 *  - `compress` space-optimized output
 *  - `sourcemap` return an object with `.code` and `.map`
 *
 * @param {Object} node
 * @param {Object} [options]
 * @return {String}
 * @api public
 */

module.exports = function(node, options){
  options = options || {};

  var compiler = options.compress
    ? new Compressed(options)
    : new Identity(options);

  // source maps
  if (options.sourcemap) {
    var sourcemaps = require('./source-map-support');
    sourcemaps(compiler);

    var code = compiler.compile(node);
    compiler.applySourceMaps();

    var map = options.sourcemap === 'generator'
      ? compiler.map
      : compiler.map.toJSON();

    return { code: code, map: map };
  }

  var code = compiler.compile(node);
  return code;
};

},{"./compress":9,"./identity":10,"./source-map-support":12}],12:[function(require,module,exports){

/**
 * Module dependencies.
 */

var SourceMap = require('source-map').SourceMapGenerator;
var SourceMapConsumer = require('source-map').SourceMapConsumer;
var sourceMapResolve = require('source-map-resolve');
var urix = require('urix');
var fs = require('fs');
var path = require('path');

/**
 * Expose `mixin()`.
 */

module.exports = mixin;

/**
 * Mixin source map support into `compiler`.
 *
 * @param {Compiler} compiler
 * @api public
 */

function mixin(compiler) {
  compiler._comment = compiler.comment;
  compiler.map = new SourceMap();
  compiler.position = { line: 1, column: 1 };
  compiler.files = {};
  for (var k in exports) compiler[k] = exports[k];
}

/**
 * Update position.
 *
 * @param {String} str
 * @api private
 */

exports.updatePosition = function(str) {
  var lines = str.match(/\n/g);
  if (lines) this.position.line += lines.length;
  var i = str.lastIndexOf('\n');
  this.position.column = ~i ? str.length - i : this.position.column + str.length;
};

/**
 * Emit `str`.
 *
 * @param {String} str
 * @param {Object} [pos]
 * @return {String}
 * @api private
 */

exports.emit = function(str, pos) {
  if (pos) {
    var sourceFile = urix(pos.source || 'source.css');

    this.map.addMapping({
      source: sourceFile,
      generated: {
        line: this.position.line,
        column: Math.max(this.position.column - 1, 0)
      },
      original: {
        line: pos.start.line,
        column: pos.start.column - 1
      }
    });

    this.addFile(sourceFile, pos);
  }

  this.updatePosition(str);

  return str;
};

/**
 * Adds a file to the source map output if it has not already been added
 * @param {String} file
 * @param {Object} pos
 */

exports.addFile = function(file, pos) {
  if (typeof pos.content !== 'string') return;
  if (Object.prototype.hasOwnProperty.call(this.files, file)) return;

  this.files[file] = pos.content;
};

/**
 * Applies any original source maps to the output and embeds the source file
 * contents in the source map.
 */

exports.applySourceMaps = function() {
  Object.keys(this.files).forEach(function(file) {
    var content = this.files[file];
    this.map.setSourceContent(file, content);

    if (this.options.inputSourcemaps !== false) {
      var originalMap = sourceMapResolve.resolveSync(
        content, file, fs.readFileSync);
      if (originalMap) {
        var map = new SourceMapConsumer(originalMap.map);
        var relativeTo = originalMap.sourcesRelativeTo;
        this.map.applySourceMap(map, file, urix(path.dirname(relativeTo)));
      }
    }
  }, this);
};

/**
 * Process comments, drops sourceMap comments.
 * @param {Object} node
 */

exports.comment = function(node) {
  if (/^# sourceMappingURL=/.test(node.comment))
    return this.emit('', node.position);
  else
    return this._comment(node);
};

},{"fs":1,"path":2,"source-map":17,"source-map-resolve":15,"urix":27}],13:[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
  }
}

},{}],14:[function(require,module,exports){
// Copyright 2014 Simon Lydell
// X11 (“MIT”) Licensed. (See LICENSE.)

void (function(root, factory) {
  if (typeof define === "function" && define.amd) {
    define(factory)
  } else if (typeof exports === "object") {
    module.exports = factory()
  } else {
    root.resolveUrl = factory()
  }
}(this, function() {

  function resolveUrl(/* ...urls */) {
    var numUrls = arguments.length

    if (numUrls === 0) {
      throw new Error("resolveUrl requires at least one argument; got none.")
    }

    var base = document.createElement("base")
    base.href = arguments[0]

    if (numUrls === 1) {
      return base.href
    }

    var head = document.getElementsByTagName("head")[0]
    head.insertBefore(base, head.firstChild)

    var a = document.createElement("a")
    var resolved

    for (var index = 1; index < numUrls; index++) {
      a.href = arguments[index]
      resolved = a.href
      base.href = resolved
    }

    head.removeChild(base)

    return resolved
  }

  return resolveUrl

}));

},{}],15:[function(require,module,exports){
// Copyright 2014 Simon Lydell
// X11 (“MIT”) Licensed. (See LICENSE.)

// Note: source-map-resolve.js is generated from source-map-resolve-node.js and
// source-map-resolve-template.js. Only edit the two latter files, _not_
// source-map-resolve.js!

void (function(root, factory) {
  if (typeof define === "function" && define.amd) {
    define(["source-map-url", "resolve-url"], factory)
  } else if (typeof exports === "object") {
    var sourceMappingURL = require("source-map-url")
    var resolveUrl = require("resolve-url")
    module.exports = factory(sourceMappingURL, resolveUrl)
  } else {
    root.sourceMapResolve = factory(root.sourceMappingURL, root.resolveUrl)
  }
}(this, function(sourceMappingURL, resolveUrl) {

  function callbackAsync(callback, error, result) {
    setImmediate(function() { callback(error, result) })
  }

  function parseMapToJSON(string) {
    return JSON.parse(string.replace(/^\)\]\}'/, ""))
  }



  function resolveSourceMap(code, codeUrl, read, callback) {
    var mapData
    try {
      mapData = resolveSourceMapHelper(code, codeUrl)
    } catch (error) {
      return callbackAsync(callback, error)
    }
    if (!mapData || mapData.map) {
      return callbackAsync(callback, null, mapData)
    }
    read(mapData.url, function(error, result) {
      if (error) {
        return callback(error)
      }
      try {
        mapData.map = parseMapToJSON(String(result))
      } catch (error) {
        return callback(error)
      }
      callback(null, mapData)
    })
  }

  function resolveSourceMapSync(code, codeUrl, read) {
    var mapData = resolveSourceMapHelper(code, codeUrl)
    if (!mapData || mapData.map) {
      return mapData
    }
    mapData.map = parseMapToJSON(String(read(mapData.url)))
    return mapData
  }

  var dataUriRegex = /^data:([^,;]*)(;[^,;]*)*(?:,(.*))?$/
  var jsonMimeTypeRegex = /^(?:application|text)\/json$/

  function resolveSourceMapHelper(code, codeUrl) {
    var url = sourceMappingURL.getFrom(code)
    if (!url) {
      return null
    }

    var dataUri = url.match(dataUriRegex)
    if (dataUri) {
      var mimeType = dataUri[1]
      var lastParameter = dataUri[2]
      var encoded = dataUri[3]
      if (!jsonMimeTypeRegex.test(mimeType)) {
        throw new Error("Unuseful data uri mime type: " + (mimeType || "text/plain"))
      }
      return {
        sourceMappingURL: url,
        url: null,
        sourcesRelativeTo: codeUrl,
        map: parseMapToJSON(lastParameter === ";base64" ? atob(encoded) : decodeURIComponent(encoded))
      }
    }

    var mapUrl = resolveUrl(codeUrl, url)
    return {
      sourceMappingURL: url,
      url: mapUrl,
      sourcesRelativeTo: mapUrl,
      map: null
    }
  }



  function resolveSources(map, mapUrl, read, options, callback) {
    if (typeof options === "function") {
      callback = options
      options = {}
    }
    var pending = map.sources.length
    var errored = false
    var result = {
      sourcesResolved: [],
      sourcesContent:  []
    }

    var done = function(error) {
      if (errored) {
        return
      }
      if (error) {
        errored = true
        return callback(error)
      }
      pending--
      if (pending === 0) {
        callback(null, result)
      }
    }

    resolveSourcesHelper(map, mapUrl, options, function(fullUrl, sourceContent, index) {
      result.sourcesResolved[index] = fullUrl
      if (typeof sourceContent === "string") {
        result.sourcesContent[index] = sourceContent
        callbackAsync(done, null)
      } else {
        read(fullUrl, function(error, source) {
          result.sourcesContent[index] = String(source)
          done(error)
        })
      }
    })
  }

  function resolveSourcesSync(map, mapUrl, read, options) {
    var result = {
      sourcesResolved: [],
      sourcesContent:  []
    }
    resolveSourcesHelper(map, mapUrl, options, function(fullUrl, sourceContent, index) {
      result.sourcesResolved[index] = fullUrl
      if (read !== null) {
        if (typeof sourceContent === "string") {
          result.sourcesContent[index] = sourceContent
        } else {
          result.sourcesContent[index] = String(read(fullUrl))
        }
      }
    })
    return result
  }

  var endingSlash = /\/?$/

  function resolveSourcesHelper(map, mapUrl, options, fn) {
    options = options || {}
    var fullUrl
    var sourceContent
    for (var index = 0, len = map.sources.length; index < len; index++) {
      if (map.sourceRoot && !options.ignoreSourceRoot) {
        // Make sure that the sourceRoot ends with a slash, so that `/scripts/subdir` becomes
        // `/scripts/subdir/<source>`, not `/scripts/<source>`. Pointing to a file as source root
        // does not make sense.
        fullUrl = resolveUrl(mapUrl, map.sourceRoot.replace(endingSlash, "/"), map.sources[index])
      } else {
        fullUrl = resolveUrl(mapUrl, map.sources[index])
      }
      sourceContent = (map.sourcesContent || [])[index]
      fn(fullUrl, sourceContent, index)
    }
  }



  function resolve(code, codeUrl, read, options, callback) {
    if (typeof options === "function") {
      callback = options
      options = {}
    }
    resolveSourceMap(code, codeUrl, read, function(error, mapData) {
      if (error) {
        return callback(error)
      }
      if (!mapData) {
        return callback(null, null)
      }
      resolveSources(mapData.map, mapData.sourcesRelativeTo, read, options, function(error, result) {
        if (error) {
          return callback(error)
        }
        mapData.sourcesResolved = result.sourcesResolved
        mapData.sourcesContent  = result.sourcesContent
        callback(null, mapData)
      })
    })
  }

  function resolveSync(code, codeUrl, read, options) {
    var mapData = resolveSourceMapSync(code, codeUrl, read)
    if (!mapData) {
      return null
    }
    var result = resolveSourcesSync(mapData.map, mapData.sourcesRelativeTo, read, options)
    mapData.sourcesResolved = result.sourcesResolved
    mapData.sourcesContent  = result.sourcesContent
    return mapData
  }



  return {
    resolveSourceMap:     resolveSourceMap,
    resolveSourceMapSync: resolveSourceMapSync,
    resolveSources:       resolveSources,
    resolveSourcesSync:   resolveSourcesSync,
    resolve:              resolve,
    resolveSync:          resolveSync
  }

}));

},{"resolve-url":14,"source-map-url":16}],16:[function(require,module,exports){
// Copyright 2014 Simon Lydell
// X11 (“MIT”) Licensed. (See LICENSE.)

void (function(root, factory) {
  if (typeof define === "function" && define.amd) {
    define(factory)
  } else if (typeof exports === "object") {
    module.exports = factory()
  } else {
    root.sourceMappingURL = factory()
  }
}(this, function() {

  var innerRegex = /[#@] sourceMappingURL=([^\s'"]*)/

  var regex = RegExp(
    "(?:" +
      "/\\*" +
      "(?:\\s*\r?\n(?://)?)?" +
      "(?:" + innerRegex.source + ")" +
      "\\s*" +
      "\\*/" +
      "|" +
      "//(?:" + innerRegex.source + ")" +
    ")" +
    "\\s*$"
  )

  return {

    regex: regex,
    _innerRegex: innerRegex,

    getFrom: function(code) {
      var match = code.match(regex)
      return (match ? match[1] || match[2] || "" : null)
    },

    existsIn: function(code) {
      return regex.test(code)
    },

    removeFrom: function(code) {
      return code.replace(regex, "")
    },

    insertBefore: function(code, string) {
      var match = code.match(regex)
      if (match) {
        return code.slice(0, match.index) + string + code.slice(match.index)
      } else {
        return code + string
      }
    }
  }

}));

},{}],17:[function(require,module,exports){
/*
 * Copyright 2009-2011 Mozilla Foundation and contributors
 * Licensed under the New BSD license. See LICENSE.txt or:
 * http://opensource.org/licenses/BSD-3-Clause
 */
exports.SourceMapGenerator = require('./source-map/source-map-generator').SourceMapGenerator;
exports.SourceMapConsumer = require('./source-map/source-map-consumer').SourceMapConsumer;
exports.SourceNode = require('./source-map/source-node').SourceNode;

},{"./source-map/source-map-consumer":23,"./source-map/source-map-generator":24,"./source-map/source-node":25}],18:[function(require,module,exports){
/* -*- Mode: js; js-indent-level: 2; -*- */
/*
 * Copyright 2011 Mozilla Foundation and contributors
 * Licensed under the New BSD license. See LICENSE or:
 * http://opensource.org/licenses/BSD-3-Clause
 */
if (typeof define !== 'function') {
    var define = require('amdefine')(module, require);
}
define(function (require, exports, module) {

  var util = require('./util');

  /**
   * A data structure which is a combination of an array and a set. Adding a new
   * member is O(1), testing for membership is O(1), and finding the index of an
   * element is O(1). Removing elements from the set is not supported. Only
   * strings are supported for membership.
   */
  function ArraySet() {
    this._array = [];
    this._set = {};
  }

  /**
   * Static method for creating ArraySet instances from an existing array.
   */
  ArraySet.fromArray = function ArraySet_fromArray(aArray, aAllowDuplicates) {
    var set = new ArraySet();
    for (var i = 0, len = aArray.length; i < len; i++) {
      set.add(aArray[i], aAllowDuplicates);
    }
    return set;
  };

  /**
   * Add the given string to this set.
   *
   * @param String aStr
   */
  ArraySet.prototype.add = function ArraySet_add(aStr, aAllowDuplicates) {
    var isDuplicate = this.has(aStr);
    var idx = this._array.length;
    if (!isDuplicate || aAllowDuplicates) {
      this._array.push(aStr);
    }
    if (!isDuplicate) {
      this._set[util.toSetString(aStr)] = idx;
    }
  };

  /**
   * Is the given string a member of this set?
   *
   * @param String aStr
   */
  ArraySet.prototype.has = function ArraySet_has(aStr) {
    return Object.prototype.hasOwnProperty.call(this._set,
                                                util.toSetString(aStr));
  };

  /**
   * What is the index of the given string in the array?
   *
   * @param String aStr
   */
  ArraySet.prototype.indexOf = function ArraySet_indexOf(aStr) {
    if (this.has(aStr)) {
      return this._set[util.toSetString(aStr)];
    }
    throw new Error('"' + aStr + '" is not in the set.');
  };

  /**
   * What is the element at the given index?
   *
   * @param Number aIdx
   */
  ArraySet.prototype.at = function ArraySet_at(aIdx) {
    if (aIdx >= 0 && aIdx < this._array.length) {
      return this._array[aIdx];
    }
    throw new Error('No element indexed by ' + aIdx);
  };

  /**
   * Returns the array representation of this set (which has the proper indices
   * indicated by indexOf). Note that this is a copy of the internal array used
   * for storing the members so that no one can mess with internal state.
   */
  ArraySet.prototype.toArray = function ArraySet_toArray() {
    return this._array.slice();
  };

  exports.ArraySet = ArraySet;

});

},{"./util":26,"amdefine":5}],19:[function(require,module,exports){
/* -*- Mode: js; js-indent-level: 2; -*- */
/*
 * Copyright 2011 Mozilla Foundation and contributors
 * Licensed under the New BSD license. See LICENSE or:
 * http://opensource.org/licenses/BSD-3-Clause
 *
 * Based on the Base 64 VLQ implementation in Closure Compiler:
 * https://code.google.com/p/closure-compiler/source/browse/trunk/src/com/google/debugging/sourcemap/Base64VLQ.java
 *
 * Copyright 2011 The Closure Compiler Authors. All rights reserved.
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above
 *    copyright notice, this list of conditions and the following
 *    disclaimer in the documentation and/or other materials provided
 *    with the distribution.
 *  * Neither the name of Google Inc. nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
if (typeof define !== 'function') {
    var define = require('amdefine')(module, require);
}
define(function (require, exports, module) {

  var base64 = require('./base64');

  // A single base 64 digit can contain 6 bits of data. For the base 64 variable
  // length quantities we use in the source map spec, the first bit is the sign,
  // the next four bits are the actual value, and the 6th bit is the
  // continuation bit. The continuation bit tells us whether there are more
  // digits in this value following this digit.
  //
  //   Continuation
  //   |    Sign
  //   |    |
  //   V    V
  //   101011

  var VLQ_BASE_SHIFT = 5;

  // binary: 100000
  var VLQ_BASE = 1 << VLQ_BASE_SHIFT;

  // binary: 011111
  var VLQ_BASE_MASK = VLQ_BASE - 1;

  // binary: 100000
  var VLQ_CONTINUATION_BIT = VLQ_BASE;

  /**
   * Converts from a two-complement value to a value where the sign bit is
   * placed in the least significant bit.  For example, as decimals:
   *   1 becomes 2 (10 binary), -1 becomes 3 (11 binary)
   *   2 becomes 4 (100 binary), -2 becomes 5 (101 binary)
   */
  function toVLQSigned(aValue) {
    return aValue < 0
      ? ((-aValue) << 1) + 1
      : (aValue << 1) + 0;
  }

  /**
   * Converts to a two-complement value from a value where the sign bit is
   * placed in the least significant bit.  For example, as decimals:
   *   2 (10 binary) becomes 1, 3 (11 binary) becomes -1
   *   4 (100 binary) becomes 2, 5 (101 binary) becomes -2
   */
  function fromVLQSigned(aValue) {
    var isNegative = (aValue & 1) === 1;
    var shifted = aValue >> 1;
    return isNegative
      ? -shifted
      : shifted;
  }

  /**
   * Returns the base 64 VLQ encoded value.
   */
  exports.encode = function base64VLQ_encode(aValue) {
    var encoded = "";
    var digit;

    var vlq = toVLQSigned(aValue);

    do {
      digit = vlq & VLQ_BASE_MASK;
      vlq >>>= VLQ_BASE_SHIFT;
      if (vlq > 0) {
        // There are still more digits in this value, so we must make sure the
        // continuation bit is marked.
        digit |= VLQ_CONTINUATION_BIT;
      }
      encoded += base64.encode(digit);
    } while (vlq > 0);

    return encoded;
  };

  /**
   * Decodes the next base 64 VLQ value from the given string and returns the
   * value and the rest of the string via the out parameter.
   */
  exports.decode = function base64VLQ_decode(aStr, aOutParam) {
    var i = 0;
    var strLen = aStr.length;
    var result = 0;
    var shift = 0;
    var continuation, digit;

    do {
      if (i >= strLen) {
        throw new Error("Expected more digits in base 64 VLQ value.");
      }
      digit = base64.decode(aStr.charAt(i++));
      continuation = !!(digit & VLQ_CONTINUATION_BIT);
      digit &= VLQ_BASE_MASK;
      result = result + (digit << shift);
      shift += VLQ_BASE_SHIFT;
    } while (continuation);

    aOutParam.value = fromVLQSigned(result);
    aOutParam.rest = aStr.slice(i);
  };

});

},{"./base64":20,"amdefine":5}],20:[function(require,module,exports){
/* -*- Mode: js; js-indent-level: 2; -*- */
/*
 * Copyright 2011 Mozilla Foundation and contributors
 * Licensed under the New BSD license. See LICENSE or:
 * http://opensource.org/licenses/BSD-3-Clause
 */
if (typeof define !== 'function') {
    var define = require('amdefine')(module, require);
}
define(function (require, exports, module) {

  var charToIntMap = {};
  var intToCharMap = {};

  'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'
    .split('')
    .forEach(function (ch, index) {
      charToIntMap[ch] = index;
      intToCharMap[index] = ch;
    });

  /**
   * Encode an integer in the range of 0 to 63 to a single base 64 digit.
   */
  exports.encode = function base64_encode(aNumber) {
    if (aNumber in intToCharMap) {
      return intToCharMap[aNumber];
    }
    throw new TypeError("Must be between 0 and 63: " + aNumber);
  };

  /**
   * Decode a single base 64 digit to an integer.
   */
  exports.decode = function base64_decode(aChar) {
    if (aChar in charToIntMap) {
      return charToIntMap[aChar];
    }
    throw new TypeError("Not a valid base 64 digit: " + aChar);
  };

});

},{"amdefine":5}],21:[function(require,module,exports){
/* -*- Mode: js; js-indent-level: 2; -*- */
/*
 * Copyright 2011 Mozilla Foundation and contributors
 * Licensed under the New BSD license. See LICENSE or:
 * http://opensource.org/licenses/BSD-3-Clause
 */
if (typeof define !== 'function') {
    var define = require('amdefine')(module, require);
}
define(function (require, exports, module) {

  /**
   * Recursive implementation of binary search.
   *
   * @param aLow Indices here and lower do not contain the needle.
   * @param aHigh Indices here and higher do not contain the needle.
   * @param aNeedle The element being searched for.
   * @param aHaystack The non-empty array being searched.
   * @param aCompare Function which takes two elements and returns -1, 0, or 1.
   */
  function recursiveSearch(aLow, aHigh, aNeedle, aHaystack, aCompare) {
    // This function terminates when one of the following is true:
    //
    //   1. We find the exact element we are looking for.
    //
    //   2. We did not find the exact element, but we can return the index of
    //      the next closest element that is less than that element.
    //
    //   3. We did not find the exact element, and there is no next-closest
    //      element which is less than the one we are searching for, so we
    //      return -1.
    var mid = Math.floor((aHigh - aLow) / 2) + aLow;
    var cmp = aCompare(aNeedle, aHaystack[mid], true);
    if (cmp === 0) {
      // Found the element we are looking for.
      return mid;
    }
    else if (cmp > 0) {
      // aHaystack[mid] is greater than our needle.
      if (aHigh - mid > 1) {
        // The element is in the upper half.
        return recursiveSearch(mid, aHigh, aNeedle, aHaystack, aCompare);
      }
      // We did not find an exact match, return the next closest one
      // (termination case 2).
      return mid;
    }
    else {
      // aHaystack[mid] is less than our needle.
      if (mid - aLow > 1) {
        // The element is in the lower half.
        return recursiveSearch(aLow, mid, aNeedle, aHaystack, aCompare);
      }
      // The exact needle element was not found in this haystack. Determine if
      // we are in termination case (2) or (3) and return the appropriate thing.
      return aLow < 0 ? -1 : aLow;
    }
  }

  /**
   * This is an implementation of binary search which will always try and return
   * the index of next lowest value checked if there is no exact hit. This is
   * because mappings between original and generated line/col pairs are single
   * points, and there is an implicit region between each of them, so a miss
   * just means that you aren't on the very start of a region.
   *
   * @param aNeedle The element you are looking for.
   * @param aHaystack The array that is being searched.
   * @param aCompare A function which takes the needle and an element in the
   *     array and returns -1, 0, or 1 depending on whether the needle is less
   *     than, equal to, or greater than the element, respectively.
   */
  exports.search = function search(aNeedle, aHaystack, aCompare) {
    if (aHaystack.length === 0) {
      return -1;
    }
    return recursiveSearch(-1, aHaystack.length, aNeedle, aHaystack, aCompare)
  };

});

},{"amdefine":5}],22:[function(require,module,exports){
/* -*- Mode: js; js-indent-level: 2; -*- */
/*
 * Copyright 2014 Mozilla Foundation and contributors
 * Licensed under the New BSD license. See LICENSE or:
 * http://opensource.org/licenses/BSD-3-Clause
 */
if (typeof define !== 'function') {
    var define = require('amdefine')(module, require);
}
define(function (require, exports, module) {

  var util = require('./util');

  /**
   * Determine whether mappingB is after mappingA with respect to generated
   * position.
   */
  function generatedPositionAfter(mappingA, mappingB) {
    // Optimized for most common case
    var lineA = mappingA.generatedLine;
    var lineB = mappingB.generatedLine;
    var columnA = mappingA.generatedColumn;
    var columnB = mappingB.generatedColumn;
    return lineB > lineA || lineB == lineA && columnB >= columnA ||
           util.compareByGeneratedPositions(mappingA, mappingB) <= 0;
  }

  /**
   * A data structure to provide a sorted view of accumulated mappings in a
   * performance conscious manner. It trades a neglibable overhead in general
   * case for a large speedup in case of mappings being added in order.
   */
  function MappingList() {
    this._array = [];
    this._sorted = true;
    // Serves as infimum
    this._last = {generatedLine: -1, generatedColumn: 0};
  }

  /**
   * Iterate through internal items. This method takes the same arguments that
   * `Array.prototype.forEach` takes.
   *
   * NOTE: The order of the mappings is NOT guaranteed.
   */
  MappingList.prototype.unsortedForEach =
    function MappingList_forEach(aCallback, aThisArg) {
      this._array.forEach(aCallback, aThisArg);
    };

  /**
   * Add the given source mapping.
   *
   * @param Object aMapping
   */
  MappingList.prototype.add = function MappingList_add(aMapping) {
    var mapping;
    if (generatedPositionAfter(this._last, aMapping)) {
      this._last = aMapping;
      this._array.push(aMapping);
    } else {
      this._sorted = false;
      this._array.push(aMapping);
    }
  };

  /**
   * Returns the flat, sorted array of mappings. The mappings are sorted by
   * generated position.
   *
   * WARNING: This method returns internal data without copying, for
   * performance. The return value must NOT be mutated, and should be treated as
   * an immutable borrow. If you want to take ownership, you must make your own
   * copy.
   */
  MappingList.prototype.toArray = function MappingList_toArray() {
    if (!this._sorted) {
      this._array.sort(util.compareByGeneratedPositions);
      this._sorted = true;
    }
    return this._array;
  };

  exports.MappingList = MappingList;

});

},{"./util":26,"amdefine":5}],23:[function(require,module,exports){
/* -*- Mode: js; js-indent-level: 2; -*- */
/*
 * Copyright 2011 Mozilla Foundation and contributors
 * Licensed under the New BSD license. See LICENSE or:
 * http://opensource.org/licenses/BSD-3-Clause
 */
if (typeof define !== 'function') {
    var define = require('amdefine')(module, require);
}
define(function (require, exports, module) {

  var util = require('./util');
  var binarySearch = require('./binary-search');
  var ArraySet = require('./array-set').ArraySet;
  var base64VLQ = require('./base64-vlq');

  /**
   * A SourceMapConsumer instance represents a parsed source map which we can
   * query for information about the original file positions by giving it a file
   * position in the generated source.
   *
   * The only parameter is the raw source map (either as a JSON string, or
   * already parsed to an object). According to the spec, source maps have the
   * following attributes:
   *
   *   - version: Which version of the source map spec this map is following.
   *   - sources: An array of URLs to the original source files.
   *   - names: An array of identifiers which can be referrenced by individual mappings.
   *   - sourceRoot: Optional. The URL root from which all sources are relative.
   *   - sourcesContent: Optional. An array of contents of the original source files.
   *   - mappings: A string of base64 VLQs which contain the actual mappings.
   *   - file: Optional. The generated file this source map is associated with.
   *
   * Here is an example source map, taken from the source map spec[0]:
   *
   *     {
   *       version : 3,
   *       file: "out.js",
   *       sourceRoot : "",
   *       sources: ["foo.js", "bar.js"],
   *       names: ["src", "maps", "are", "fun"],
   *       mappings: "AA,AB;;ABCDE;"
   *     }
   *
   * [0]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit?pli=1#
   */
  function SourceMapConsumer(aSourceMap) {
    var sourceMap = aSourceMap;
    if (typeof aSourceMap === 'string') {
      sourceMap = JSON.parse(aSourceMap.replace(/^\)\]\}'/, ''));
    }

    var version = util.getArg(sourceMap, 'version');
    var sources = util.getArg(sourceMap, 'sources');
    // Sass 3.3 leaves out the 'names' array, so we deviate from the spec (which
    // requires the array) to play nice here.
    var names = util.getArg(sourceMap, 'names', []);
    var sourceRoot = util.getArg(sourceMap, 'sourceRoot', null);
    var sourcesContent = util.getArg(sourceMap, 'sourcesContent', null);
    var mappings = util.getArg(sourceMap, 'mappings');
    var file = util.getArg(sourceMap, 'file', null);

    // Once again, Sass deviates from the spec and supplies the version as a
    // string rather than a number, so we use loose equality checking here.
    if (version != this._version) {
      throw new Error('Unsupported version: ' + version);
    }

    // Some source maps produce relative source paths like "./foo.js" instead of
    // "foo.js".  Normalize these first so that future comparisons will succeed.
    // See bugzil.la/1090768.
    sources = sources.map(util.normalize);

    // Pass `true` below to allow duplicate names and sources. While source maps
    // are intended to be compressed and deduplicated, the TypeScript compiler
    // sometimes generates source maps with duplicates in them. See Github issue
    // #72 and bugzil.la/889492.
    this._names = ArraySet.fromArray(names, true);
    this._sources = ArraySet.fromArray(sources, true);

    this.sourceRoot = sourceRoot;
    this.sourcesContent = sourcesContent;
    this._mappings = mappings;
    this.file = file;
  }

  /**
   * Create a SourceMapConsumer from a SourceMapGenerator.
   *
   * @param SourceMapGenerator aSourceMap
   *        The source map that will be consumed.
   * @returns SourceMapConsumer
   */
  SourceMapConsumer.fromSourceMap =
    function SourceMapConsumer_fromSourceMap(aSourceMap) {
      var smc = Object.create(SourceMapConsumer.prototype);

      smc._names = ArraySet.fromArray(aSourceMap._names.toArray(), true);
      smc._sources = ArraySet.fromArray(aSourceMap._sources.toArray(), true);
      smc.sourceRoot = aSourceMap._sourceRoot;
      smc.sourcesContent = aSourceMap._generateSourcesContent(smc._sources.toArray(),
                                                              smc.sourceRoot);
      smc.file = aSourceMap._file;

      smc.__generatedMappings = aSourceMap._mappings.toArray().slice();
      smc.__originalMappings = aSourceMap._mappings.toArray().slice()
        .sort(util.compareByOriginalPositions);

      return smc;
    };

  /**
   * The version of the source mapping spec that we are consuming.
   */
  SourceMapConsumer.prototype._version = 3;

  /**
   * The list of original sources.
   */
  Object.defineProperty(SourceMapConsumer.prototype, 'sources', {
    get: function () {
      return this._sources.toArray().map(function (s) {
        return this.sourceRoot != null ? util.join(this.sourceRoot, s) : s;
      }, this);
    }
  });

  // `__generatedMappings` and `__originalMappings` are arrays that hold the
  // parsed mapping coordinates from the source map's "mappings" attribute. They
  // are lazily instantiated, accessed via the `_generatedMappings` and
  // `_originalMappings` getters respectively, and we only parse the mappings
  // and create these arrays once queried for a source location. We jump through
  // these hoops because there can be many thousands of mappings, and parsing
  // them is expensive, so we only want to do it if we must.
  //
  // Each object in the arrays is of the form:
  //
  //     {
  //       generatedLine: The line number in the generated code,
  //       generatedColumn: The column number in the generated code,
  //       source: The path to the original source file that generated this
  //               chunk of code,
  //       originalLine: The line number in the original source that
  //                     corresponds to this chunk of generated code,
  //       originalColumn: The column number in the original source that
  //                       corresponds to this chunk of generated code,
  //       name: The name of the original symbol which generated this chunk of
  //             code.
  //     }
  //
  // All properties except for `generatedLine` and `generatedColumn` can be
  // `null`.
  //
  // `_generatedMappings` is ordered by the generated positions.
  //
  // `_originalMappings` is ordered by the original positions.

  SourceMapConsumer.prototype.__generatedMappings = null;
  Object.defineProperty(SourceMapConsumer.prototype, '_generatedMappings', {
    get: function () {
      if (!this.__generatedMappings) {
        this.__generatedMappings = [];
        this.__originalMappings = [];
        this._parseMappings(this._mappings, this.sourceRoot);
      }

      return this.__generatedMappings;
    }
  });

  SourceMapConsumer.prototype.__originalMappings = null;
  Object.defineProperty(SourceMapConsumer.prototype, '_originalMappings', {
    get: function () {
      if (!this.__originalMappings) {
        this.__generatedMappings = [];
        this.__originalMappings = [];
        this._parseMappings(this._mappings, this.sourceRoot);
      }

      return this.__originalMappings;
    }
  });

  SourceMapConsumer.prototype._nextCharIsMappingSeparator =
    function SourceMapConsumer_nextCharIsMappingSeparator(aStr) {
      var c = aStr.charAt(0);
      return c === ";" || c === ",";
    };

  /**
   * Parse the mappings in a string in to a data structure which we can easily
   * query (the ordered arrays in the `this.__generatedMappings` and
   * `this.__originalMappings` properties).
   */
  SourceMapConsumer.prototype._parseMappings =
    function SourceMapConsumer_parseMappings(aStr, aSourceRoot) {
      var generatedLine = 1;
      var previousGeneratedColumn = 0;
      var previousOriginalLine = 0;
      var previousOriginalColumn = 0;
      var previousSource = 0;
      var previousName = 0;
      var str = aStr;
      var temp = {};
      var mapping;

      while (str.length > 0) {
        if (str.charAt(0) === ';') {
          generatedLine++;
          str = str.slice(1);
          previousGeneratedColumn = 0;
        }
        else if (str.charAt(0) === ',') {
          str = str.slice(1);
        }
        else {
          mapping = {};
          mapping.generatedLine = generatedLine;

          // Generated column.
          base64VLQ.decode(str, temp);
          mapping.generatedColumn = previousGeneratedColumn + temp.value;
          previousGeneratedColumn = mapping.generatedColumn;
          str = temp.rest;

          if (str.length > 0 && !this._nextCharIsMappingSeparator(str)) {
            // Original source.
            base64VLQ.decode(str, temp);
            mapping.source = this._sources.at(previousSource + temp.value);
            previousSource += temp.value;
            str = temp.rest;
            if (str.length === 0 || this._nextCharIsMappingSeparator(str)) {
              throw new Error('Found a source, but no line and column');
            }

            // Original line.
            base64VLQ.decode(str, temp);
            mapping.originalLine = previousOriginalLine + temp.value;
            previousOriginalLine = mapping.originalLine;
            // Lines are stored 0-based
            mapping.originalLine += 1;
            str = temp.rest;
            if (str.length === 0 || this._nextCharIsMappingSeparator(str)) {
              throw new Error('Found a source and line, but no column');
            }

            // Original column.
            base64VLQ.decode(str, temp);
            mapping.originalColumn = previousOriginalColumn + temp.value;
            previousOriginalColumn = mapping.originalColumn;
            str = temp.rest;

            if (str.length > 0 && !this._nextCharIsMappingSeparator(str)) {
              // Original name.
              base64VLQ.decode(str, temp);
              mapping.name = this._names.at(previousName + temp.value);
              previousName += temp.value;
              str = temp.rest;
            }
          }

          this.__generatedMappings.push(mapping);
          if (typeof mapping.originalLine === 'number') {
            this.__originalMappings.push(mapping);
          }
        }
      }

      this.__generatedMappings.sort(util.compareByGeneratedPositions);
      this.__originalMappings.sort(util.compareByOriginalPositions);
    };

  /**
   * Find the mapping that best matches the hypothetical "needle" mapping that
   * we are searching for in the given "haystack" of mappings.
   */
  SourceMapConsumer.prototype._findMapping =
    function SourceMapConsumer_findMapping(aNeedle, aMappings, aLineName,
                                           aColumnName, aComparator) {
      // To return the position we are searching for, we must first find the
      // mapping for the given position and then return the opposite position it
      // points to. Because the mappings are sorted, we can use binary search to
      // find the best mapping.

      if (aNeedle[aLineName] <= 0) {
        throw new TypeError('Line must be greater than or equal to 1, got '
                            + aNeedle[aLineName]);
      }
      if (aNeedle[aColumnName] < 0) {
        throw new TypeError('Column must be greater than or equal to 0, got '
                            + aNeedle[aColumnName]);
      }

      return binarySearch.search(aNeedle, aMappings, aComparator);
    };

  /**
   * Compute the last column for each generated mapping. The last column is
   * inclusive.
   */
  SourceMapConsumer.prototype.computeColumnSpans =
    function SourceMapConsumer_computeColumnSpans() {
      for (var index = 0; index < this._generatedMappings.length; ++index) {
        var mapping = this._generatedMappings[index];

        // Mappings do not contain a field for the last generated columnt. We
        // can come up with an optimistic estimate, however, by assuming that
        // mappings are contiguous (i.e. given two consecutive mappings, the
        // first mapping ends where the second one starts).
        if (index + 1 < this._generatedMappings.length) {
          var nextMapping = this._generatedMappings[index + 1];

          if (mapping.generatedLine === nextMapping.generatedLine) {
            mapping.lastGeneratedColumn = nextMapping.generatedColumn - 1;
            continue;
          }
        }

        // The last mapping for each line spans the entire line.
        mapping.lastGeneratedColumn = Infinity;
      }
    };

  /**
   * Returns the original source, line, and column information for the generated
   * source's line and column positions provided. The only argument is an object
   * with the following properties:
   *
   *   - line: The line number in the generated source.
   *   - column: The column number in the generated source.
   *
   * and an object is returned with the following properties:
   *
   *   - source: The original source file, or null.
   *   - line: The line number in the original source, or null.
   *   - column: The column number in the original source, or null.
   *   - name: The original identifier, or null.
   */
  SourceMapConsumer.prototype.originalPositionFor =
    function SourceMapConsumer_originalPositionFor(aArgs) {
      var needle = {
        generatedLine: util.getArg(aArgs, 'line'),
        generatedColumn: util.getArg(aArgs, 'column')
      };

      var index = this._findMapping(needle,
                                    this._generatedMappings,
                                    "generatedLine",
                                    "generatedColumn",
                                    util.compareByGeneratedPositions);

      if (index >= 0) {
        var mapping = this._generatedMappings[index];

        if (mapping.generatedLine === needle.generatedLine) {
          var source = util.getArg(mapping, 'source', null);
          if (source != null && this.sourceRoot != null) {
            source = util.join(this.sourceRoot, source);
          }
          return {
            source: source,
            line: util.getArg(mapping, 'originalLine', null),
            column: util.getArg(mapping, 'originalColumn', null),
            name: util.getArg(mapping, 'name', null)
          };
        }
      }

      return {
        source: null,
        line: null,
        column: null,
        name: null
      };
    };

  /**
   * Returns the original source content. The only argument is the url of the
   * original source file. Returns null if no original source content is
   * availible.
   */
  SourceMapConsumer.prototype.sourceContentFor =
    function SourceMapConsumer_sourceContentFor(aSource) {
      if (!this.sourcesContent) {
        return null;
      }

      if (this.sourceRoot != null) {
        aSource = util.relative(this.sourceRoot, aSource);
      }

      if (this._sources.has(aSource)) {
        return this.sourcesContent[this._sources.indexOf(aSource)];
      }

      var url;
      if (this.sourceRoot != null
          && (url = util.urlParse(this.sourceRoot))) {
        // XXX: file:// URIs and absolute paths lead to unexpected behavior for
        // many users. We can help them out when they expect file:// URIs to
        // behave like it would if they were running a local HTTP server. See
        // https://bugzilla.mozilla.org/show_bug.cgi?id=885597.
        var fileUriAbsPath = aSource.replace(/^file:\/\//, "");
        if (url.scheme == "file"
            && this._sources.has(fileUriAbsPath)) {
          return this.sourcesContent[this._sources.indexOf(fileUriAbsPath)]
        }

        if ((!url.path || url.path == "/")
            && this._sources.has("/" + aSource)) {
          return this.sourcesContent[this._sources.indexOf("/" + aSource)];
        }
      }

      throw new Error('"' + aSource + '" is not in the SourceMap.');
    };

  /**
   * Returns the generated line and column information for the original source,
   * line, and column positions provided. The only argument is an object with
   * the following properties:
   *
   *   - source: The filename of the original source.
   *   - line: The line number in the original source.
   *   - column: The column number in the original source.
   *
   * and an object is returned with the following properties:
   *
   *   - line: The line number in the generated source, or null.
   *   - column: The column number in the generated source, or null.
   */
  SourceMapConsumer.prototype.generatedPositionFor =
    function SourceMapConsumer_generatedPositionFor(aArgs) {
      var needle = {
        source: util.getArg(aArgs, 'source'),
        originalLine: util.getArg(aArgs, 'line'),
        originalColumn: util.getArg(aArgs, 'column')
      };

      if (this.sourceRoot != null) {
        needle.source = util.relative(this.sourceRoot, needle.source);
      }

      var index = this._findMapping(needle,
                                    this._originalMappings,
                                    "originalLine",
                                    "originalColumn",
                                    util.compareByOriginalPositions);

      if (index >= 0) {
        var mapping = this._originalMappings[index];

        return {
          line: util.getArg(mapping, 'generatedLine', null),
          column: util.getArg(mapping, 'generatedColumn', null),
          lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null)
        };
      }

      return {
        line: null,
        column: null,
        lastColumn: null
      };
    };

  /**
   * Returns all generated line and column information for the original source
   * and line provided. The only argument is an object with the following
   * properties:
   *
   *   - source: The filename of the original source.
   *   - line: The line number in the original source.
   *
   * and an array of objects is returned, each with the following properties:
   *
   *   - line: The line number in the generated source, or null.
   *   - column: The column number in the generated source, or null.
   */
  SourceMapConsumer.prototype.allGeneratedPositionsFor =
    function SourceMapConsumer_allGeneratedPositionsFor(aArgs) {
      // When there is no exact match, SourceMapConsumer.prototype._findMapping
      // returns the index of the closest mapping less than the needle. By
      // setting needle.originalColumn to Infinity, we thus find the last
      // mapping for the given line, provided such a mapping exists.
      var needle = {
        source: util.getArg(aArgs, 'source'),
        originalLine: util.getArg(aArgs, 'line'),
        originalColumn: Infinity
      };

      if (this.sourceRoot != null) {
        needle.source = util.relative(this.sourceRoot, needle.source);
      }

      var mappings = [];

      var index = this._findMapping(needle,
                                    this._originalMappings,
                                    "originalLine",
                                    "originalColumn",
                                    util.compareByOriginalPositions);
      if (index >= 0) {
        var mapping = this._originalMappings[index];

        while (mapping && mapping.originalLine === needle.originalLine) {
          mappings.push({
            line: util.getArg(mapping, 'generatedLine', null),
            column: util.getArg(mapping, 'generatedColumn', null),
            lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null)
          });

          mapping = this._originalMappings[--index];
        }
      }

      return mappings.reverse();
    };

  SourceMapConsumer.GENERATED_ORDER = 1;
  SourceMapConsumer.ORIGINAL_ORDER = 2;

  /**
   * Iterate over each mapping between an original source/line/column and a
   * generated line/column in this source map.
   *
   * @param Function aCallback
   *        The function that is called with each mapping.
   * @param Object aContext
   *        Optional. If specified, this object will be the value of `this` every
   *        time that `aCallback` is called.
   * @param aOrder
   *        Either `SourceMapConsumer.GENERATED_ORDER` or
   *        `SourceMapConsumer.ORIGINAL_ORDER`. Specifies whether you want to
   *        iterate over the mappings sorted by the generated file's line/column
   *        order or the original's source/line/column order, respectively. Defaults to
   *        `SourceMapConsumer.GENERATED_ORDER`.
   */
  SourceMapConsumer.prototype.eachMapping =
    function SourceMapConsumer_eachMapping(aCallback, aContext, aOrder) {
      var context = aContext || null;
      var order = aOrder || SourceMapConsumer.GENERATED_ORDER;

      var mappings;
      switch (order) {
      case SourceMapConsumer.GENERATED_ORDER:
        mappings = this._generatedMappings;
        break;
      case SourceMapConsumer.ORIGINAL_ORDER:
        mappings = this._originalMappings;
        break;
      default:
        throw new Error("Unknown order of iteration.");
      }

      var sourceRoot = this.sourceRoot;
      mappings.map(function (mapping) {
        var source = mapping.source;
        if (source != null && sourceRoot != null) {
          source = util.join(sourceRoot, source);
        }
        return {
          source: source,
          generatedLine: mapping.generatedLine,
          generatedColumn: mapping.generatedColumn,
          originalLine: mapping.originalLine,
          originalColumn: mapping.originalColumn,
          name: mapping.name
        };
      }).forEach(aCallback, context);
    };

  exports.SourceMapConsumer = SourceMapConsumer;

});

},{"./array-set":18,"./base64-vlq":19,"./binary-search":21,"./util":26,"amdefine":5}],24:[function(require,module,exports){
/* -*- Mode: js; js-indent-level: 2; -*- */
/*
 * Copyright 2011 Mozilla Foundation and contributors
 * Licensed under the New BSD license. See LICENSE or:
 * http://opensource.org/licenses/BSD-3-Clause
 */
if (typeof define !== 'function') {
    var define = require('amdefine')(module, require);
}
define(function (require, exports, module) {

  var base64VLQ = require('./base64-vlq');
  var util = require('./util');
  var ArraySet = require('./array-set').ArraySet;
  var MappingList = require('./mapping-list').MappingList;

  /**
   * An instance of the SourceMapGenerator represents a source map which is
   * being built incrementally. You may pass an object with the following
   * properties:
   *
   *   - file: The filename of the generated source.
   *   - sourceRoot: A root for all relative URLs in this source map.
   */
  function SourceMapGenerator(aArgs) {
    if (!aArgs) {
      aArgs = {};
    }
    this._file = util.getArg(aArgs, 'file', null);
    this._sourceRoot = util.getArg(aArgs, 'sourceRoot', null);
    this._skipValidation = util.getArg(aArgs, 'skipValidation', false);
    this._sources = new ArraySet();
    this._names = new ArraySet();
    this._mappings = new MappingList();
    this._sourcesContents = null;
  }

  SourceMapGenerator.prototype._version = 3;

  /**
   * Creates a new SourceMapGenerator based on a SourceMapConsumer
   *
   * @param aSourceMapConsumer The SourceMap.
   */
  SourceMapGenerator.fromSourceMap =
    function SourceMapGenerator_fromSourceMap(aSourceMapConsumer) {
      var sourceRoot = aSourceMapConsumer.sourceRoot;
      var generator = new SourceMapGenerator({
        file: aSourceMapConsumer.file,
        sourceRoot: sourceRoot
      });
      aSourceMapConsumer.eachMapping(function (mapping) {
        var newMapping = {
          generated: {
            line: mapping.generatedLine,
            column: mapping.generatedColumn
          }
        };

        if (mapping.source != null) {
          newMapping.source = mapping.source;
          if (sourceRoot != null) {
            newMapping.source = util.relative(sourceRoot, newMapping.source);
          }

          newMapping.original = {
            line: mapping.originalLine,
            column: mapping.originalColumn
          };

          if (mapping.name != null) {
            newMapping.name = mapping.name;
          }
        }

        generator.addMapping(newMapping);
      });
      aSourceMapConsumer.sources.forEach(function (sourceFile) {
        var content = aSourceMapConsumer.sourceContentFor(sourceFile);
        if (content != null) {
          generator.setSourceContent(sourceFile, content);
        }
      });
      return generator;
    };

  /**
   * Add a single mapping from original source line and column to the generated
   * source's line and column for this source map being created. The mapping
   * object should have the following properties:
   *
   *   - generated: An object with the generated line and column positions.
   *   - original: An object with the original line and column positions.
   *   - source: The original source file (relative to the sourceRoot).
   *   - name: An optional original token name for this mapping.
   */
  SourceMapGenerator.prototype.addMapping =
    function SourceMapGenerator_addMapping(aArgs) {
      var generated = util.getArg(aArgs, 'generated');
      var original = util.getArg(aArgs, 'original', null);
      var source = util.getArg(aArgs, 'source', null);
      var name = util.getArg(aArgs, 'name', null);

      if (!this._skipValidation) {
        this._validateMapping(generated, original, source, name);
      }

      if (source != null && !this._sources.has(source)) {
        this._sources.add(source);
      }

      if (name != null && !this._names.has(name)) {
        this._names.add(name);
      }

      this._mappings.add({
        generatedLine: generated.line,
        generatedColumn: generated.column,
        originalLine: original != null && original.line,
        originalColumn: original != null && original.column,
        source: source,
        name: name
      });
    };

  /**
   * Set the source content for a source file.
   */
  SourceMapGenerator.prototype.setSourceContent =
    function SourceMapGenerator_setSourceContent(aSourceFile, aSourceContent) {
      var source = aSourceFile;
      if (this._sourceRoot != null) {
        source = util.relative(this._sourceRoot, source);
      }

      if (aSourceContent != null) {
        // Add the source content to the _sourcesContents map.
        // Create a new _sourcesContents map if the property is null.
        if (!this._sourcesContents) {
          this._sourcesContents = {};
        }
        this._sourcesContents[util.toSetString(source)] = aSourceContent;
      } else if (this._sourcesContents) {
        // Remove the source file from the _sourcesContents map.
        // If the _sourcesContents map is empty, set the property to null.
        delete this._sourcesContents[util.toSetString(source)];
        if (Object.keys(this._sourcesContents).length === 0) {
          this._sourcesContents = null;
        }
      }
    };

  /**
   * Applies the mappings of a sub-source-map for a specific source file to the
   * source map being generated. Each mapping to the supplied source file is
   * rewritten using the supplied source map. Note: The resolution for the
   * resulting mappings is the minimium of this map and the supplied map.
   *
   * @param aSourceMapConsumer The source map to be applied.
   * @param aSourceFile Optional. The filename of the source file.
   *        If omitted, SourceMapConsumer's file property will be used.
   * @param aSourceMapPath Optional. The dirname of the path to the source map
   *        to be applied. If relative, it is relative to the SourceMapConsumer.
   *        This parameter is needed when the two source maps aren't in the same
   *        directory, and the source map to be applied contains relative source
   *        paths. If so, those relative source paths need to be rewritten
   *        relative to the SourceMapGenerator.
   */
  SourceMapGenerator.prototype.applySourceMap =
    function SourceMapGenerator_applySourceMap(aSourceMapConsumer, aSourceFile, aSourceMapPath) {
      var sourceFile = aSourceFile;
      // If aSourceFile is omitted, we will use the file property of the SourceMap
      if (aSourceFile == null) {
        if (aSourceMapConsumer.file == null) {
          throw new Error(
            'SourceMapGenerator.prototype.applySourceMap requires either an explicit source file, ' +
            'or the source map\'s "file" property. Both were omitted.'
          );
        }
        sourceFile = aSourceMapConsumer.file;
      }
      var sourceRoot = this._sourceRoot;
      // Make "sourceFile" relative if an absolute Url is passed.
      if (sourceRoot != null) {
        sourceFile = util.relative(sourceRoot, sourceFile);
      }
      // Applying the SourceMap can add and remove items from the sources and
      // the names array.
      var newSources = new ArraySet();
      var newNames = new ArraySet();

      // Find mappings for the "sourceFile"
      this._mappings.unsortedForEach(function (mapping) {
        if (mapping.source === sourceFile && mapping.originalLine != null) {
          // Check if it can be mapped by the source map, then update the mapping.
          var original = aSourceMapConsumer.originalPositionFor({
            line: mapping.originalLine,
            column: mapping.originalColumn
          });
          if (original.source != null) {
            // Copy mapping
            mapping.source = original.source;
            if (aSourceMapPath != null) {
              mapping.source = util.join(aSourceMapPath, mapping.source)
            }
            if (sourceRoot != null) {
              mapping.source = util.relative(sourceRoot, mapping.source);
            }
            mapping.originalLine = original.line;
            mapping.originalColumn = original.column;
            if (original.name != null) {
              mapping.name = original.name;
            }
          }
        }

        var source = mapping.source;
        if (source != null && !newSources.has(source)) {
          newSources.add(source);
        }

        var name = mapping.name;
        if (name != null && !newNames.has(name)) {
          newNames.add(name);
        }

      }, this);
      this._sources = newSources;
      this._names = newNames;

      // Copy sourcesContents of applied map.
      aSourceMapConsumer.sources.forEach(function (sourceFile) {
        var content = aSourceMapConsumer.sourceContentFor(sourceFile);
        if (content != null) {
          if (aSourceMapPath != null) {
            sourceFile = util.join(aSourceMapPath, sourceFile);
          }
          if (sourceRoot != null) {
            sourceFile = util.relative(sourceRoot, sourceFile);
          }
          this.setSourceContent(sourceFile, content);
        }
      }, this);
    };

  /**
   * A mapping can have one of the three levels of data:
   *
   *   1. Just the generated position.
   *   2. The Generated position, original position, and original source.
   *   3. Generated and original position, original source, as well as a name
   *      token.
   *
   * To maintain consistency, we validate that any new mapping being added falls
   * in to one of these categories.
   */
  SourceMapGenerator.prototype._validateMapping =
    function SourceMapGenerator_validateMapping(aGenerated, aOriginal, aSource,
                                                aName) {
      if (aGenerated && 'line' in aGenerated && 'column' in aGenerated
          && aGenerated.line > 0 && aGenerated.column >= 0
          && !aOriginal && !aSource && !aName) {
        // Case 1.
        return;
      }
      else if (aGenerated && 'line' in aGenerated && 'column' in aGenerated
               && aOriginal && 'line' in aOriginal && 'column' in aOriginal
               && aGenerated.line > 0 && aGenerated.column >= 0
               && aOriginal.line > 0 && aOriginal.column >= 0
               && aSource) {
        // Cases 2 and 3.
        return;
      }
      else {
        throw new Error('Invalid mapping: ' + JSON.stringify({
          generated: aGenerated,
          source: aSource,
          original: aOriginal,
          name: aName
        }));
      }
    };

  /**
   * Serialize the accumulated mappings in to the stream of base 64 VLQs
   * specified by the source map format.
   */
  SourceMapGenerator.prototype._serializeMappings =
    function SourceMapGenerator_serializeMappings() {
      var previousGeneratedColumn = 0;
      var previousGeneratedLine = 1;
      var previousOriginalColumn = 0;
      var previousOriginalLine = 0;
      var previousName = 0;
      var previousSource = 0;
      var result = '';
      var mapping;

      var mappings = this._mappings.toArray();

      for (var i = 0, len = mappings.length; i < len; i++) {
        mapping = mappings[i];

        if (mapping.generatedLine !== previousGeneratedLine) {
          previousGeneratedColumn = 0;
          while (mapping.generatedLine !== previousGeneratedLine) {
            result += ';';
            previousGeneratedLine++;
          }
        }
        else {
          if (i > 0) {
            if (!util.compareByGeneratedPositions(mapping, mappings[i - 1])) {
              continue;
            }
            result += ',';
          }
        }

        result += base64VLQ.encode(mapping.generatedColumn
                                   - previousGeneratedColumn);
        previousGeneratedColumn = mapping.generatedColumn;

        if (mapping.source != null) {
          result += base64VLQ.encode(this._sources.indexOf(mapping.source)
                                     - previousSource);
          previousSource = this._sources.indexOf(mapping.source);

          // lines are stored 0-based in SourceMap spec version 3
          result += base64VLQ.encode(mapping.originalLine - 1
                                     - previousOriginalLine);
          previousOriginalLine = mapping.originalLine - 1;

          result += base64VLQ.encode(mapping.originalColumn
                                     - previousOriginalColumn);
          previousOriginalColumn = mapping.originalColumn;

          if (mapping.name != null) {
            result += base64VLQ.encode(this._names.indexOf(mapping.name)
                                       - previousName);
            previousName = this._names.indexOf(mapping.name);
          }
        }
      }

      return result;
    };

  SourceMapGenerator.prototype._generateSourcesContent =
    function SourceMapGenerator_generateSourcesContent(aSources, aSourceRoot) {
      return aSources.map(function (source) {
        if (!this._sourcesContents) {
          return null;
        }
        if (aSourceRoot != null) {
          source = util.relative(aSourceRoot, source);
        }
        var key = util.toSetString(source);
        return Object.prototype.hasOwnProperty.call(this._sourcesContents,
                                                    key)
          ? this._sourcesContents[key]
          : null;
      }, this);
    };

  /**
   * Externalize the source map.
   */
  SourceMapGenerator.prototype.toJSON =
    function SourceMapGenerator_toJSON() {
      var map = {
        version: this._version,
        sources: this._sources.toArray(),
        names: this._names.toArray(),
        mappings: this._serializeMappings()
      };
      if (this._file != null) {
        map.file = this._file;
      }
      if (this._sourceRoot != null) {
        map.sourceRoot = this._sourceRoot;
      }
      if (this._sourcesContents) {
        map.sourcesContent = this._generateSourcesContent(map.sources, map.sourceRoot);
      }

      return map;
    };

  /**
   * Render the source map being generated to a string.
   */
  SourceMapGenerator.prototype.toString =
    function SourceMapGenerator_toString() {
      return JSON.stringify(this);
    };

  exports.SourceMapGenerator = SourceMapGenerator;

});

},{"./array-set":18,"./base64-vlq":19,"./mapping-list":22,"./util":26,"amdefine":5}],25:[function(require,module,exports){
/* -*- Mode: js; js-indent-level: 2; -*- */
/*
 * Copyright 2011 Mozilla Foundation and contributors
 * Licensed under the New BSD license. See LICENSE or:
 * http://opensource.org/licenses/BSD-3-Clause
 */
if (typeof define !== 'function') {
    var define = require('amdefine')(module, require);
}
define(function (require, exports, module) {

  var SourceMapGenerator = require('./source-map-generator').SourceMapGenerator;
  var util = require('./util');

  // Matches a Windows-style `\r\n` newline or a `\n` newline used by all other
  // operating systems these days (capturing the result).
  var REGEX_NEWLINE = /(\r?\n)/;

  // Newline character code for charCodeAt() comparisons
  var NEWLINE_CODE = 10;

  // Private symbol for identifying `SourceNode`s when multiple versions of
  // the source-map library are loaded. This MUST NOT CHANGE across
  // versions!
  var isSourceNode = "$$$isSourceNode$$$";

  /**
   * SourceNodes provide a way to abstract over interpolating/concatenating
   * snippets of generated JavaScript source code while maintaining the line and
   * column information associated with the original source code.
   *
   * @param aLine The original line number.
   * @param aColumn The original column number.
   * @param aSource The original source's filename.
   * @param aChunks Optional. An array of strings which are snippets of
   *        generated JS, or other SourceNodes.
   * @param aName The original identifier.
   */
  function SourceNode(aLine, aColumn, aSource, aChunks, aName) {
    this.children = [];
    this.sourceContents = {};
    this.line = aLine == null ? null : aLine;
    this.column = aColumn == null ? null : aColumn;
    this.source = aSource == null ? null : aSource;
    this.name = aName == null ? null : aName;
    this[isSourceNode] = true;
    if (aChunks != null) this.add(aChunks);
  }

  /**
   * Creates a SourceNode from generated code and a SourceMapConsumer.
   *
   * @param aGeneratedCode The generated code
   * @param aSourceMapConsumer The SourceMap for the generated code
   * @param aRelativePath Optional. The path that relative sources in the
   *        SourceMapConsumer should be relative to.
   */
  SourceNode.fromStringWithSourceMap =
    function SourceNode_fromStringWithSourceMap(aGeneratedCode, aSourceMapConsumer, aRelativePath) {
      // The SourceNode we want to fill with the generated code
      // and the SourceMap
      var node = new SourceNode();

      // All even indices of this array are one line of the generated code,
      // while all odd indices are the newlines between two adjacent lines
      // (since `REGEX_NEWLINE` captures its match).
      // Processed fragments are removed from this array, by calling `shiftNextLine`.
      var remainingLines = aGeneratedCode.split(REGEX_NEWLINE);
      var shiftNextLine = function() {
        var lineContents = remainingLines.shift();
        // The last line of a file might not have a newline.
        var newLine = remainingLines.shift() || "";
        return lineContents + newLine;
      };

      // We need to remember the position of "remainingLines"
      var lastGeneratedLine = 1, lastGeneratedColumn = 0;

      // The generate SourceNodes we need a code range.
      // To extract it current and last mapping is used.
      // Here we store the last mapping.
      var lastMapping = null;

      aSourceMapConsumer.eachMapping(function (mapping) {
        if (lastMapping !== null) {
          // We add the code from "lastMapping" to "mapping":
          // First check if there is a new line in between.
          if (lastGeneratedLine < mapping.generatedLine) {
            var code = "";
            // Associate first line with "lastMapping"
            addMappingWithCode(lastMapping, shiftNextLine());
            lastGeneratedLine++;
            lastGeneratedColumn = 0;
            // The remaining code is added without mapping
          } else {
            // There is no new line in between.
            // Associate the code between "lastGeneratedColumn" and
            // "mapping.generatedColumn" with "lastMapping"
            var nextLine = remainingLines[0];
            var code = nextLine.substr(0, mapping.generatedColumn -
                                          lastGeneratedColumn);
            remainingLines[0] = nextLine.substr(mapping.generatedColumn -
                                                lastGeneratedColumn);
            lastGeneratedColumn = mapping.generatedColumn;
            addMappingWithCode(lastMapping, code);
            // No more remaining code, continue
            lastMapping = mapping;
            return;
          }
        }
        // We add the generated code until the first mapping
        // to the SourceNode without any mapping.
        // Each line is added as separate string.
        while (lastGeneratedLine < mapping.generatedLine) {
          node.add(shiftNextLine());
          lastGeneratedLine++;
        }
        if (lastGeneratedColumn < mapping.generatedColumn) {
          var nextLine = remainingLines[0];
          node.add(nextLine.substr(0, mapping.generatedColumn));
          remainingLines[0] = nextLine.substr(mapping.generatedColumn);
          lastGeneratedColumn = mapping.generatedColumn;
        }
        lastMapping = mapping;
      }, this);
      // We have processed all mappings.
      if (remainingLines.length > 0) {
        if (lastMapping) {
          // Associate the remaining code in the current line with "lastMapping"
          addMappingWithCode(lastMapping, shiftNextLine());
        }
        // and add the remaining lines without any mapping
        node.add(remainingLines.join(""));
      }

      // Copy sourcesContent into SourceNode
      aSourceMapConsumer.sources.forEach(function (sourceFile) {
        var content = aSourceMapConsumer.sourceContentFor(sourceFile);
        if (content != null) {
          if (aRelativePath != null) {
            sourceFile = util.join(aRelativePath, sourceFile);
          }
          node.setSourceContent(sourceFile, content);
        }
      });

      return node;

      function addMappingWithCode(mapping, code) {
        if (mapping === null || mapping.source === undefined) {
          node.add(code);
        } else {
          var source = aRelativePath
            ? util.join(aRelativePath, mapping.source)
            : mapping.source;
          node.add(new SourceNode(mapping.originalLine,
                                  mapping.originalColumn,
                                  source,
                                  code,
                                  mapping.name));
        }
      }
    };

  /**
   * Add a chunk of generated JS to this source node.
   *
   * @param aChunk A string snippet of generated JS code, another instance of
   *        SourceNode, or an array where each member is one of those things.
   */
  SourceNode.prototype.add = function SourceNode_add(aChunk) {
    if (Array.isArray(aChunk)) {
      aChunk.forEach(function (chunk) {
        this.add(chunk);
      }, this);
    }
    else if (aChunk[isSourceNode] || typeof aChunk === "string") {
      if (aChunk) {
        this.children.push(aChunk);
      }
    }
    else {
      throw new TypeError(
        "Expected a SourceNode, string, or an array of SourceNodes and strings. Got " + aChunk
      );
    }
    return this;
  };

  /**
   * Add a chunk of generated JS to the beginning of this source node.
   *
   * @param aChunk A string snippet of generated JS code, another instance of
   *        SourceNode, or an array where each member is one of those things.
   */
  SourceNode.prototype.prepend = function SourceNode_prepend(aChunk) {
    if (Array.isArray(aChunk)) {
      for (var i = aChunk.length-1; i >= 0; i--) {
        this.prepend(aChunk[i]);
      }
    }
    else if (aChunk[isSourceNode] || typeof aChunk === "string") {
      this.children.unshift(aChunk);
    }
    else {
      throw new TypeError(
        "Expected a SourceNode, string, or an array of SourceNodes and strings. Got " + aChunk
      );
    }
    return this;
  };

  /**
   * Walk over the tree of JS snippets in this node and its children. The
   * walking function is called once for each snippet of JS and is passed that
   * snippet and the its original associated source's line/column location.
   *
   * @param aFn The traversal function.
   */
  SourceNode.prototype.walk = function SourceNode_walk(aFn) {
    var chunk;
    for (var i = 0, len = this.children.length; i < len; i++) {
      chunk = this.children[i];
      if (chunk[isSourceNode]) {
        chunk.walk(aFn);
      }
      else {
        if (chunk !== '') {
          aFn(chunk, { source: this.source,
                       line: this.line,
                       column: this.column,
                       name: this.name });
        }
      }
    }
  };

  /**
   * Like `String.prototype.join` except for SourceNodes. Inserts `aStr` between
   * each of `this.children`.
   *
   * @param aSep The separator.
   */
  SourceNode.prototype.join = function SourceNode_join(aSep) {
    var newChildren;
    var i;
    var len = this.children.length;
    if (len > 0) {
      newChildren = [];
      for (i = 0; i < len-1; i++) {
        newChildren.push(this.children[i]);
        newChildren.push(aSep);
      }
      newChildren.push(this.children[i]);
      this.children = newChildren;
    }
    return this;
  };

  /**
   * Call String.prototype.replace on the very right-most source snippet. Useful
   * for trimming whitespace from the end of a source node, etc.
   *
   * @param aPattern The pattern to replace.
   * @param aReplacement The thing to replace the pattern with.
   */
  SourceNode.prototype.replaceRight = function SourceNode_replaceRight(aPattern, aReplacement) {
    var lastChild = this.children[this.children.length - 1];
    if (lastChild[isSourceNode]) {
      lastChild.replaceRight(aPattern, aReplacement);
    }
    else if (typeof lastChild === 'string') {
      this.children[this.children.length - 1] = lastChild.replace(aPattern, aReplacement);
    }
    else {
      this.children.push(''.replace(aPattern, aReplacement));
    }
    return this;
  };

  /**
   * Set the source content for a source file. This will be added to the SourceMapGenerator
   * in the sourcesContent field.
   *
   * @param aSourceFile The filename of the source file
   * @param aSourceContent The content of the source file
   */
  SourceNode.prototype.setSourceContent =
    function SourceNode_setSourceContent(aSourceFile, aSourceContent) {
      this.sourceContents[util.toSetString(aSourceFile)] = aSourceContent;
    };

  /**
   * Walk over the tree of SourceNodes. The walking function is called for each
   * source file content and is passed the filename and source content.
   *
   * @param aFn The traversal function.
   */
  SourceNode.prototype.walkSourceContents =
    function SourceNode_walkSourceContents(aFn) {
      for (var i = 0, len = this.children.length; i < len; i++) {
        if (this.children[i][isSourceNode]) {
          this.children[i].walkSourceContents(aFn);
        }
      }

      var sources = Object.keys(this.sourceContents);
      for (var i = 0, len = sources.length; i < len; i++) {
        aFn(util.fromSetString(sources[i]), this.sourceContents[sources[i]]);
      }
    };

  /**
   * Return the string representation of this source node. Walks over the tree
   * and concatenates all the various snippets together to one string.
   */
  SourceNode.prototype.toString = function SourceNode_toString() {
    var str = "";
    this.walk(function (chunk) {
      str += chunk;
    });
    return str;
  };

  /**
   * Returns the string representation of this source node along with a source
   * map.
   */
  SourceNode.prototype.toStringWithSourceMap = function SourceNode_toStringWithSourceMap(aArgs) {
    var generated = {
      code: "",
      line: 1,
      column: 0
    };
    var map = new SourceMapGenerator(aArgs);
    var sourceMappingActive = false;
    var lastOriginalSource = null;
    var lastOriginalLine = null;
    var lastOriginalColumn = null;
    var lastOriginalName = null;
    this.walk(function (chunk, original) {
      generated.code += chunk;
      if (original.source !== null
          && original.line !== null
          && original.column !== null) {
        if(lastOriginalSource !== original.source
           || lastOriginalLine !== original.line
           || lastOriginalColumn !== original.column
           || lastOriginalName !== original.name) {
          map.addMapping({
            source: original.source,
            original: {
              line: original.line,
              column: original.column
            },
            generated: {
              line: generated.line,
              column: generated.column
            },
            name: original.name
          });
        }
        lastOriginalSource = original.source;
        lastOriginalLine = original.line;
        lastOriginalColumn = original.column;
        lastOriginalName = original.name;
        sourceMappingActive = true;
      } else if (sourceMappingActive) {
        map.addMapping({
          generated: {
            line: generated.line,
            column: generated.column
          }
        });
        lastOriginalSource = null;
        sourceMappingActive = false;
      }
      for (var idx = 0, length = chunk.length; idx < length; idx++) {
        if (chunk.charCodeAt(idx) === NEWLINE_CODE) {
          generated.line++;
          generated.column = 0;
          // Mappings end at eol
          if (idx + 1 === length) {
            lastOriginalSource = null;
            sourceMappingActive = false;
          } else if (sourceMappingActive) {
            map.addMapping({
              source: original.source,
              original: {
                line: original.line,
                column: original.column
              },
              generated: {
                line: generated.line,
                column: generated.column
              },
              name: original.name
            });
          }
        } else {
          generated.column++;
        }
      }
    });
    this.walkSourceContents(function (sourceFile, sourceContent) {
      map.setSourceContent(sourceFile, sourceContent);
    });

    return { code: generated.code, map: map };
  };

  exports.SourceNode = SourceNode;

});

},{"./source-map-generator":24,"./util":26,"amdefine":5}],26:[function(require,module,exports){
/* -*- Mode: js; js-indent-level: 2; -*- */
/*
 * Copyright 2011 Mozilla Foundation and contributors
 * Licensed under the New BSD license. See LICENSE or:
 * http://opensource.org/licenses/BSD-3-Clause
 */
if (typeof define !== 'function') {
    var define = require('amdefine')(module, require);
}
define(function (require, exports, module) {

  /**
   * This is a helper function for getting values from parameter/options
   * objects.
   *
   * @param args The object we are extracting values from
   * @param name The name of the property we are getting.
   * @param defaultValue An optional value to return if the property is missing
   * from the object. If this is not specified and the property is missing, an
   * error will be thrown.
   */
  function getArg(aArgs, aName, aDefaultValue) {
    if (aName in aArgs) {
      return aArgs[aName];
    } else if (arguments.length === 3) {
      return aDefaultValue;
    } else {
      throw new Error('"' + aName + '" is a required argument.');
    }
  }
  exports.getArg = getArg;

  var urlRegexp = /^(?:([\w+\-.]+):)?\/\/(?:(\w+:\w+)@)?([\w.]*)(?::(\d+))?(\S*)$/;
  var dataUrlRegexp = /^data:.+\,.+$/;

  function urlParse(aUrl) {
    var match = aUrl.match(urlRegexp);
    if (!match) {
      return null;
    }
    return {
      scheme: match[1],
      auth: match[2],
      host: match[3],
      port: match[4],
      path: match[5]
    };
  }
  exports.urlParse = urlParse;

  function urlGenerate(aParsedUrl) {
    var url = '';
    if (aParsedUrl.scheme) {
      url += aParsedUrl.scheme + ':';
    }
    url += '//';
    if (aParsedUrl.auth) {
      url += aParsedUrl.auth + '@';
    }
    if (aParsedUrl.host) {
      url += aParsedUrl.host;
    }
    if (aParsedUrl.port) {
      url += ":" + aParsedUrl.port
    }
    if (aParsedUrl.path) {
      url += aParsedUrl.path;
    }
    return url;
  }
  exports.urlGenerate = urlGenerate;

  /**
   * Normalizes a path, or the path portion of a URL:
   *
   * - Replaces consequtive slashes with one slash.
   * - Removes unnecessary '.' parts.
   * - Removes unnecessary '<dir>/..' parts.
   *
   * Based on code in the Node.js 'path' core module.
   *
   * @param aPath The path or url to normalize.
   */
  function normalize(aPath) {
    var path = aPath;
    var url = urlParse(aPath);
    if (url) {
      if (!url.path) {
        return aPath;
      }
      path = url.path;
    }
    var isAbsolute = (path.charAt(0) === '/');

    var parts = path.split(/\/+/);
    for (var part, up = 0, i = parts.length - 1; i >= 0; i--) {
      part = parts[i];
      if (part === '.') {
        parts.splice(i, 1);
      } else if (part === '..') {
        up++;
      } else if (up > 0) {
        if (part === '') {
          // The first part is blank if the path is absolute. Trying to go
          // above the root is a no-op. Therefore we can remove all '..' parts
          // directly after the root.
          parts.splice(i + 1, up);
          up = 0;
        } else {
          parts.splice(i, 2);
          up--;
        }
      }
    }
    path = parts.join('/');

    if (path === '') {
      path = isAbsolute ? '/' : '.';
    }

    if (url) {
      url.path = path;
      return urlGenerate(url);
    }
    return path;
  }
  exports.normalize = normalize;

  /**
   * Joins two paths/URLs.
   *
   * @param aRoot The root path or URL.
   * @param aPath The path or URL to be joined with the root.
   *
   * - If aPath is a URL or a data URI, aPath is returned, unless aPath is a
   *   scheme-relative URL: Then the scheme of aRoot, if any, is prepended
   *   first.
   * - Otherwise aPath is a path. If aRoot is a URL, then its path portion
   *   is updated with the result and aRoot is returned. Otherwise the result
   *   is returned.
   *   - If aPath is absolute, the result is aPath.
   *   - Otherwise the two paths are joined with a slash.
   * - Joining for example 'http://' and 'www.example.com' is also supported.
   */
  function join(aRoot, aPath) {
    if (aRoot === "") {
      aRoot = ".";
    }
    if (aPath === "") {
      aPath = ".";
    }
    var aPathUrl = urlParse(aPath);
    var aRootUrl = urlParse(aRoot);
    if (aRootUrl) {
      aRoot = aRootUrl.path || '/';
    }

    // `join(foo, '//www.example.org')`
    if (aPathUrl && !aPathUrl.scheme) {
      if (aRootUrl) {
        aPathUrl.scheme = aRootUrl.scheme;
      }
      return urlGenerate(aPathUrl);
    }

    if (aPathUrl || aPath.match(dataUrlRegexp)) {
      return aPath;
    }

    // `join('http://', 'www.example.com')`
    if (aRootUrl && !aRootUrl.host && !aRootUrl.path) {
      aRootUrl.host = aPath;
      return urlGenerate(aRootUrl);
    }

    var joined = aPath.charAt(0) === '/'
      ? aPath
      : normalize(aRoot.replace(/\/+$/, '') + '/' + aPath);

    if (aRootUrl) {
      aRootUrl.path = joined;
      return urlGenerate(aRootUrl);
    }
    return joined;
  }
  exports.join = join;

  /**
   * Make a path relative to a URL or another path.
   *
   * @param aRoot The root path or URL.
   * @param aPath The path or URL to be made relative to aRoot.
   */
  function relative(aRoot, aPath) {
    if (aRoot === "") {
      aRoot = ".";
    }

    aRoot = aRoot.replace(/\/$/, '');

    // XXX: It is possible to remove this block, and the tests still pass!
    var url = urlParse(aRoot);
    if (aPath.charAt(0) == "/" && url && url.path == "/") {
      return aPath.slice(1);
    }

    return aPath.indexOf(aRoot + '/') === 0
      ? aPath.substr(aRoot.length + 1)
      : aPath;
  }
  exports.relative = relative;

  /**
   * Because behavior goes wacky when you set `__proto__` on objects, we
   * have to prefix all the strings in our set with an arbitrary character.
   *
   * See https://github.com/mozilla/source-map/pull/31 and
   * https://github.com/mozilla/source-map/issues/30
   *
   * @param String aStr
   */
  function toSetString(aStr) {
    return '$' + aStr;
  }
  exports.toSetString = toSetString;

  function fromSetString(aStr) {
    return aStr.substr(1);
  }
  exports.fromSetString = fromSetString;

  function strcmp(aStr1, aStr2) {
    var s1 = aStr1 || "";
    var s2 = aStr2 || "";
    return (s1 > s2) - (s1 < s2);
  }

  /**
   * Comparator between two mappings where the original positions are compared.
   *
   * Optionally pass in `true` as `onlyCompareGenerated` to consider two
   * mappings with the same original source/line/column, but different generated
   * line and column the same. Useful when searching for a mapping with a
   * stubbed out mapping.
   */
  function compareByOriginalPositions(mappingA, mappingB, onlyCompareOriginal) {
    var cmp;

    cmp = strcmp(mappingA.source, mappingB.source);
    if (cmp) {
      return cmp;
    }

    cmp = mappingA.originalLine - mappingB.originalLine;
    if (cmp) {
      return cmp;
    }

    cmp = mappingA.originalColumn - mappingB.originalColumn;
    if (cmp || onlyCompareOriginal) {
      return cmp;
    }

    cmp = strcmp(mappingA.name, mappingB.name);
    if (cmp) {
      return cmp;
    }

    cmp = mappingA.generatedLine - mappingB.generatedLine;
    if (cmp) {
      return cmp;
    }

    return mappingA.generatedColumn - mappingB.generatedColumn;
  };
  exports.compareByOriginalPositions = compareByOriginalPositions;

  /**
   * Comparator between two mappings where the generated positions are
   * compared.
   *
   * Optionally pass in `true` as `onlyCompareGenerated` to consider two
   * mappings with the same generated line and column, but different
   * source/name/original line and column the same. Useful when searching for a
   * mapping with a stubbed out mapping.
   */
  function compareByGeneratedPositions(mappingA, mappingB, onlyCompareGenerated) {
    var cmp;

    cmp = mappingA.generatedLine - mappingB.generatedLine;
    if (cmp) {
      return cmp;
    }

    cmp = mappingA.generatedColumn - mappingB.generatedColumn;
    if (cmp || onlyCompareGenerated) {
      return cmp;
    }

    cmp = strcmp(mappingA.source, mappingB.source);
    if (cmp) {
      return cmp;
    }

    cmp = mappingA.originalLine - mappingB.originalLine;
    if (cmp) {
      return cmp;
    }

    cmp = mappingA.originalColumn - mappingB.originalColumn;
    if (cmp) {
      return cmp;
    }

    return strcmp(mappingA.name, mappingB.name);
  };
  exports.compareByGeneratedPositions = compareByGeneratedPositions;

});

},{"amdefine":5}],27:[function(require,module,exports){
// Copyright 2014 Simon Lydell
// X11 (“MIT”) Licensed. (See LICENSE.)

var path = require("path")

"use strict"

function urix(aPath) {
  if (path.sep === "\\") {
    return aPath
      .replace(/\\/g, "/")
      .replace(/^[a-z]:\/?/i, "/")
  }
  return aPath
}

module.exports = urix

},{"path":2}]},{},[4]);