Aurelia Validation Issue 423 Demo

app.html

<template>
  <require from="./registration-form"></require>
  
  <registration-form></registration-form>
</template>

app.js

export class App {
}

aurelia.js

define('aurelia-logging',['exports'], function (exports) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.getLogger = getLogger;
  exports.addAppender = addAppender;
  exports.removeAppender = removeAppender;
  exports.setLevel = setLevel;
  exports.getLevel = getLevel;

  

  var logLevel = exports.logLevel = {
    none: 0,
    error: 1,
    warn: 2,
    info: 3,
    debug: 4
  };

  var loggers = {};
  var appenders = [];
  var globalDefaultLevel = logLevel.none;

  function appendArgs() {
    return [this].concat(Array.prototype.slice.call(arguments));
  }

  function logFactory(level) {
    var threshold = logLevel[level];
    return function () {
      if (this.level < threshold) {
        return;
      }

      var args = appendArgs.apply(this, arguments);
      var i = appenders.length;
      while (i--) {
        var _appenders$i;

        (_appenders$i = appenders[i])[level].apply(_appenders$i, args);
      }
    };
  }

  function connectLoggers() {
    var proto = Logger.prototype;
    proto.debug = logFactory('debug');
    proto.info = logFactory('info');
    proto.warn = logFactory('warn');
    proto.error = logFactory('error');
  }

  function getLogger(id) {
    return loggers[id] || new Logger(id);
  }

  function addAppender(appender) {
    if (appenders.push(appender) === 1) {
      connectLoggers();
    }
  }

  function removeAppender(appender) {
    appenders = appenders.filter(function (a) {
      return a !== appender;
    });
  }

  function setLevel(level) {
    globalDefaultLevel = level;
    for (var key in loggers) {
      loggers[key].setLevel(level);
    }
  }

  function getLevel() {
    return globalDefaultLevel;
  }

  var Logger = exports.Logger = function () {
    function Logger(id) {
      

      var cached = loggers[id];
      if (cached) {
        return cached;
      }

      loggers[id] = this;
      this.id = id;
      this.level = globalDefaultLevel;
    }

    Logger.prototype.debug = function debug(message) {};

    Logger.prototype.info = function info(message) {};

    Logger.prototype.warn = function warn(message) {};

    Logger.prototype.error = function error(message) {};

    Logger.prototype.setLevel = function setLevel(level) {
      this.level = level;
    };

    return Logger;
  }();
});
define('aurelia-pal',['exports'], function (exports) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.AggregateError = AggregateError;
  exports.initializePAL = initializePAL;
  exports.reset = reset;
  function AggregateError(message, innerError, skipIfAlreadyAggregate) {
    if (innerError) {
      if (innerError.innerError && skipIfAlreadyAggregate) {
        return innerError;
      }

      var separator = '\n------------------------------------------------\n';

      message += separator + 'Inner Error:\n';

      if (typeof innerError === 'string') {
        message += 'Message: ' + innerError;
      } else {
        if (innerError.message) {
          message += 'Message: ' + innerError.message;
        } else {
          message += 'Unknown Inner Error Type. Displaying Inner Error as JSON:\n ' + JSON.stringify(innerError, null, '  ');
        }

        if (innerError.stack) {
          message += '\nInner Error Stack:\n' + innerError.stack;
          message += '\nEnd Inner Error Stack';
        }
      }

      message += separator;
    }

    var e = new Error(message);
    if (innerError) {
      e.innerError = innerError;
    }

    return e;
  }

  var FEATURE = exports.FEATURE = {};

  var PLATFORM = exports.PLATFORM = {
    noop: function noop() {},
    eachModule: function eachModule() {},
    moduleName: function (_moduleName) {
      function moduleName(_x) {
        return _moduleName.apply(this, arguments);
      }

      moduleName.toString = function () {
        return _moduleName.toString();
      };

      return moduleName;
    }(function (moduleName) {
      return moduleName;
    })
  };

  PLATFORM.global = function () {
    if (typeof self !== 'undefined') {
      return self;
    }

    if (typeof global !== 'undefined') {
      return global;
    }

    return new Function('return this')();
  }();

  var DOM = exports.DOM = {};
  var isInitialized = exports.isInitialized = false;
  function initializePAL(callback) {
    if (isInitialized) {
      return;
    }
    exports.isInitialized = isInitialized = true;
    if (typeof Object.getPropertyDescriptor !== 'function') {
      Object.getPropertyDescriptor = function (subject, name) {
        var pd = Object.getOwnPropertyDescriptor(subject, name);
        var proto = Object.getPrototypeOf(subject);
        while (typeof pd === 'undefined' && proto !== null) {
          pd = Object.getOwnPropertyDescriptor(proto, name);
          proto = Object.getPrototypeOf(proto);
        }
        return pd;
      };
    }

    callback(PLATFORM, FEATURE, DOM);
  }
  function reset() {
    exports.isInitialized = isInitialized = false;
  }
});
define('aurelia-task-queue',['exports', 'aurelia-pal'], function (exports, _aureliaPal) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.TaskQueue = undefined;

  

  var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
    return typeof obj;
  } : function (obj) {
    return obj && typeof Symbol === "function" && obj.constructor === Symbol ? "symbol" : typeof obj;
  };

  var hasSetImmediate = typeof setImmediate === 'function';
  var stackSeparator = '\nEnqueued in TaskQueue by:\n';
  var microStackSeparator = '\nEnqueued in MicroTaskQueue by:\n';

  function makeRequestFlushFromMutationObserver(flush) {
    var toggle = 1;
    var observer = _aureliaPal.DOM.createMutationObserver(flush);
    var node = _aureliaPal.DOM.createTextNode('');
    observer.observe(node, { characterData: true });
    return function requestFlush() {
      toggle = -toggle;
      node.data = toggle;
    };
  }

  function makeRequestFlushFromTimer(flush) {
    return function requestFlush() {
      var timeoutHandle = setTimeout(handleFlushTimer, 0);

      var intervalHandle = setInterval(handleFlushTimer, 50);
      function handleFlushTimer() {
        clearTimeout(timeoutHandle);
        clearInterval(intervalHandle);
        flush();
      }
    };
  }

  function onError(error, task, longStacks) {
    if (longStacks && task.stack && (typeof error === 'undefined' ? 'undefined' : _typeof(error)) === 'object' && error !== null) {
      error.stack = filterFlushStack(error.stack) + task.stack;
    }

    if ('onError' in task) {
      task.onError(error);
    } else if (hasSetImmediate) {
      setImmediate(function () {
        throw error;
      });
    } else {
      setTimeout(function () {
        throw error;
      }, 0);
    }
  }

  var TaskQueue = exports.TaskQueue = function () {
    function TaskQueue() {
      var _this = this;

      

      this.flushing = false;
      this.longStacks = false;

      this.microTaskQueue = [];
      this.microTaskQueueCapacity = 1024;
      this.taskQueue = [];

      if (_aureliaPal.FEATURE.mutationObserver) {
        this.requestFlushMicroTaskQueue = makeRequestFlushFromMutationObserver(function () {
          return _this.flushMicroTaskQueue();
        });
      } else {
        this.requestFlushMicroTaskQueue = makeRequestFlushFromTimer(function () {
          return _this.flushMicroTaskQueue();
        });
      }

      this.requestFlushTaskQueue = makeRequestFlushFromTimer(function () {
        return _this.flushTaskQueue();
      });
    }

    TaskQueue.prototype._flushQueue = function _flushQueue(queue, capacity) {
      var index = 0;
      var task = void 0;

      try {
        this.flushing = true;
        while (index < queue.length) {
          task = queue[index];
          if (this.longStacks) {
            this.stack = typeof task.stack === 'string' ? task.stack : undefined;
          }
          task.call();
          index++;

          if (index > capacity) {
            for (var scan = 0, newLength = queue.length - index; scan < newLength; scan++) {
              queue[scan] = queue[scan + index];
            }

            queue.length -= index;
            index = 0;
          }
        }
      } catch (error) {
        onError(error, task, this.longStacks);
      } finally {
        this.flushing = false;
      }
    };

    TaskQueue.prototype.queueMicroTask = function queueMicroTask(task) {
      if (this.microTaskQueue.length < 1) {
        this.requestFlushMicroTaskQueue();
      }

      if (this.longStacks) {
        task.stack = this.prepareQueueStack(microStackSeparator);
      }

      this.microTaskQueue.push(task);
    };

    TaskQueue.prototype.queueTask = function queueTask(task) {
      if (this.taskQueue.length < 1) {
        this.requestFlushTaskQueue();
      }

      if (this.longStacks) {
        task.stack = this.prepareQueueStack(stackSeparator);
      }

      this.taskQueue.push(task);
    };

    TaskQueue.prototype.flushTaskQueue = function flushTaskQueue() {
      var queue = this.taskQueue;
      this.taskQueue = [];
      this._flushQueue(queue, Number.MAX_VALUE);
    };

    TaskQueue.prototype.flushMicroTaskQueue = function flushMicroTaskQueue() {
      var queue = this.microTaskQueue;
      this._flushQueue(queue, this.microTaskQueueCapacity);
      queue.length = 0;
    };

    TaskQueue.prototype.prepareQueueStack = function prepareQueueStack(separator) {
      var stack = separator + filterQueueStack(captureStack());

      if (typeof this.stack === 'string') {
        stack = filterFlushStack(stack) + this.stack;
      }

      return stack;
    };

    return TaskQueue;
  }();

  function captureStack() {
    var error = new Error();

    if (error.stack) {
      return error.stack;
    }

    try {
      throw error;
    } catch (e) {
      return e.stack;
    }
  }

  function filterQueueStack(stack) {
    return stack.replace(/^[\s\S]*?\bqueue(Micro)?Task\b[^\n]*\n/, '');
  }

  function filterFlushStack(stack) {
    var index = stack.lastIndexOf('flushMicroTaskQueue');

    if (index < 0) {
      index = stack.lastIndexOf('flushTaskQueue');
      if (index < 0) {
        return stack;
      }
    }

    index = stack.lastIndexOf('\n', index);

    return index < 0 ? stack : stack.substr(0, index);
  }
});
define('aurelia-metadata',['exports', 'aurelia-pal'], function (exports, _aureliaPal) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.Origin = exports.metadata = undefined;
  exports.decorators = decorators;
  exports.deprecated = deprecated;
  exports.mixin = mixin;
  exports.protocol = protocol;

  var _extends = Object.assign || function (target) {
    for (var i = 1; i < arguments.length; i++) {
      var source = arguments[i];

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

    return target;
  };

  

  var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
    return typeof obj;
  } : function (obj) {
    return obj && typeof Symbol === "function" && obj.constructor === Symbol ? "symbol" : typeof obj;
  };

  function isObject(val) {
    return val && (typeof val === 'function' || (typeof val === 'undefined' ? 'undefined' : _typeof(val)) === 'object');
  }

  var metadata = exports.metadata = {
    resource: 'aurelia:resource',
    paramTypes: 'design:paramtypes',
    propertyType: 'design:type',
    properties: 'design:properties',
    get: function get(metadataKey, target, targetKey) {
      if (!isObject(target)) {
        return undefined;
      }
      var result = metadata.getOwn(metadataKey, target, targetKey);
      return result === undefined ? metadata.get(metadataKey, Object.getPrototypeOf(target), targetKey) : result;
    },
    getOwn: function getOwn(metadataKey, target, targetKey) {
      if (!isObject(target)) {
        return undefined;
      }
      return Reflect.getOwnMetadata(metadataKey, target, targetKey);
    },
    define: function define(metadataKey, metadataValue, target, targetKey) {
      Reflect.defineMetadata(metadataKey, metadataValue, target, targetKey);
    },
    getOrCreateOwn: function getOrCreateOwn(metadataKey, Type, target, targetKey) {
      var result = metadata.getOwn(metadataKey, target, targetKey);

      if (result === undefined) {
        result = new Type();
        Reflect.defineMetadata(metadataKey, result, target, targetKey);
      }

      return result;
    }
  };

  var originStorage = new Map();
  var unknownOrigin = Object.freeze({ moduleId: undefined, moduleMember: undefined });

  var Origin = exports.Origin = function () {
    function Origin(moduleId, moduleMember) {
      

      this.moduleId = moduleId;
      this.moduleMember = moduleMember;
    }

    Origin.get = function get(fn) {
      var origin = originStorage.get(fn);

      if (origin === undefined) {
        _aureliaPal.PLATFORM.eachModule(function (key, value) {
          if ((typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object') {
            for (var name in value) {
              var exp = value[name];
              if (exp === fn) {
                originStorage.set(fn, origin = new Origin(key, name));
                return true;
              }
            }
          }

          if (value === fn) {
            originStorage.set(fn, origin = new Origin(key, 'default'));
            return true;
          }

          return false;
        });
      }

      return origin || unknownOrigin;
    };

    Origin.set = function set(fn, origin) {
      originStorage.set(fn, origin);
    };

    return Origin;
  }();

  function decorators() {
    for (var _len = arguments.length, rest = Array(_len), _key = 0; _key < _len; _key++) {
      rest[_key] = arguments[_key];
    }

    var applicator = function applicator(target, key, descriptor) {
      var i = rest.length;

      if (key) {
        descriptor = descriptor || {
          value: target[key],
          writable: true,
          configurable: true,
          enumerable: true
        };

        while (i--) {
          descriptor = rest[i](target, key, descriptor) || descriptor;
        }

        Object.defineProperty(target, key, descriptor);
      } else {
        while (i--) {
          target = rest[i](target) || target;
        }
      }

      return target;
    };

    applicator.on = applicator;
    return applicator;
  }

  function deprecated(optionsOrTarget, maybeKey, maybeDescriptor) {
    function decorator(target, key, descriptor) {
      var methodSignature = target.constructor.name + '#' + key;
      var options = maybeKey ? {} : optionsOrTarget || {};
      var message = 'DEPRECATION - ' + methodSignature;

      if (typeof descriptor.value !== 'function') {
        throw new SyntaxError('Only methods can be marked as deprecated.');
      }

      if (options.message) {
        message += ' - ' + options.message;
      }

      return _extends({}, descriptor, {
        value: function deprecationWrapper() {
          if (options.error) {
            throw new Error(message);
          } else {
            console.warn(message);
          }

          return descriptor.value.apply(this, arguments);
        }
      });
    }

    return maybeKey ? decorator(optionsOrTarget, maybeKey, maybeDescriptor) : decorator;
  }

  function mixin(behavior) {
    var instanceKeys = Object.keys(behavior);

    function _mixin(possible) {
      var decorator = function decorator(target) {
        var resolvedTarget = typeof target === 'function' ? target.prototype : target;

        var i = instanceKeys.length;
        while (i--) {
          var property = instanceKeys[i];
          Object.defineProperty(resolvedTarget, property, {
            value: behavior[property],
            writable: true
          });
        }
      };

      return possible ? decorator(possible) : decorator;
    }

    return _mixin;
  }

  function alwaysValid() {
    return true;
  }
  function noCompose() {}

  function ensureProtocolOptions(options) {
    if (options === undefined) {
      options = {};
    } else if (typeof options === 'function') {
      options = {
        validate: options
      };
    }

    if (!options.validate) {
      options.validate = alwaysValid;
    }

    if (!options.compose) {
      options.compose = noCompose;
    }

    return options;
  }

  function createProtocolValidator(validate) {
    return function (target) {
      var result = validate(target);
      return result === true;
    };
  }

  function createProtocolAsserter(name, validate) {
    return function (target) {
      var result = validate(target);
      if (result !== true) {
        throw new Error(result || name + ' was not correctly implemented.');
      }
    };
  }

  function protocol(name, options) {
    options = ensureProtocolOptions(options);

    var result = function result(target) {
      var resolvedTarget = typeof target === 'function' ? target.prototype : target;

      options.compose(resolvedTarget);
      result.assert(resolvedTarget);

      Object.defineProperty(resolvedTarget, 'protocol:' + name, {
        enumerable: false,
        configurable: false,
        writable: false,
        value: true
      });
    };

    result.validate = createProtocolValidator(options.validate);
    result.assert = createProtocolAsserter(name, options.validate);

    return result;
  }

  protocol.create = function (name, options) {
    options = ensureProtocolOptions(options);
    var hidden = 'protocol:' + name;
    var result = function result(target) {
      var decorator = protocol(name, options);
      return target ? decorator(target) : decorator;
    };

    result.decorates = function (obj) {
      return obj[hidden] === true;
    };
    result.validate = createProtocolValidator(options.validate);
    result.assert = createProtocolAsserter(name, options.validate);

    return result;
  };
});
define('aurelia-binding',['exports', 'aurelia-logging', 'aurelia-pal', 'aurelia-task-queue', 'aurelia-metadata'], function (exports, _aureliaLogging, _aureliaPal, _aureliaTaskQueue, _aureliaMetadata) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.getSetObserver = exports.BindingEngine = exports.NameExpression = exports.Listener = exports.ListenerExpression = exports.BindingBehaviorResource = exports.ValueConverterResource = exports.Call = exports.CallExpression = exports.Binding = exports.BindingExpression = exports.ObjectObservationAdapter = exports.ObserverLocator = exports.SVGAnalyzer = exports.presentationAttributes = exports.presentationElements = exports.elements = exports.ComputedExpression = exports.ClassObserver = exports.SelectValueObserver = exports.CheckedObserver = exports.ValueAttributeObserver = exports.StyleObserver = exports.DataAttributeObserver = exports.dataAttributeAccessor = exports.XLinkAttributeObserver = exports.SetterObserver = exports.PrimitiveObserver = exports.propertyAccessor = exports.DirtyCheckProperty = exports.DirtyChecker = exports.EventManager = exports.delegationStrategy = exports.getMapObserver = exports.ParserImplementation = exports.Parser = exports.Scanner = exports.Lexer = exports.Token = exports.bindingMode = exports.ExpressionCloner = exports.Unparser = exports.LiteralObject = exports.LiteralArray = exports.LiteralString = exports.LiteralPrimitive = exports.PrefixNot = exports.Binary = exports.CallFunction = exports.CallMember = exports.CallScope = exports.AccessKeyed = exports.AccessMember = exports.AccessScope = exports.AccessThis = exports.Conditional = exports.Assign = exports.ValueConverter = exports.BindingBehavior = exports.Chain = exports.Expression = exports.getArrayObserver = exports.CollectionLengthObserver = exports.ModifyCollectionObserver = exports.ExpressionObserver = exports.sourceContext = exports.targetContext = undefined;
  exports.camelCase = camelCase;
  exports.createOverrideContext = createOverrideContext;
  exports.getContextFor = getContextFor;
  exports.createScopeForTest = createScopeForTest;
  exports.connectable = connectable;
  exports.enqueueBindingConnect = enqueueBindingConnect;
  exports.subscriberCollection = subscriberCollection;
  exports.calcSplices = calcSplices;
  exports.mergeSplice = mergeSplice;
  exports.projectArraySplices = projectArraySplices;
  exports.getChangeRecords = getChangeRecords;
  exports.cloneExpression = cloneExpression;
  exports.hasDeclaredDependencies = hasDeclaredDependencies;
  exports.declarePropertyDependencies = declarePropertyDependencies;
  exports.computedFrom = computedFrom;
  exports.createComputedObserver = createComputedObserver;
  exports.valueConverter = valueConverter;
  exports.bindingBehavior = bindingBehavior;
  exports.observable = observable;
  exports.connectBindingToSignal = connectBindingToSignal;
  exports.signalBindings = signalBindings;

  var LogManager = _interopRequireWildcard(_aureliaLogging);

  function _interopRequireWildcard(obj) {
    if (obj && obj.__esModule) {
      return obj;
    } else {
      var newObj = {};

      if (obj != null) {
        for (var key in obj) {
          if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key];
        }
      }

      newObj.default = obj;
      return newObj;
    }
  }

  var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
    return typeof obj;
  } : function (obj) {
    return obj && typeof Symbol === "function" && obj.constructor === Symbol ? "symbol" : typeof obj;
  };

  var _createClass = function () {
    function defineProperties(target, props) {
      for (var i = 0; i < props.length; i++) {
        var descriptor = props[i];
        descriptor.enumerable = descriptor.enumerable || false;
        descriptor.configurable = true;
        if ("value" in descriptor) descriptor.writable = true;
        Object.defineProperty(target, descriptor.key, descriptor);
      }
    }

    return function (Constructor, protoProps, staticProps) {
      if (protoProps) defineProperties(Constructor.prototype, protoProps);
      if (staticProps) defineProperties(Constructor, staticProps);
      return Constructor;
    };
  }();

  function _possibleConstructorReturn(self, call) {
    if (!self) {
      throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
    }

    return call && (typeof call === "object" || typeof call === "function") ? call : self;
  }

  function _inherits(subClass, superClass) {
    if (typeof superClass !== "function" && superClass !== null) {
      throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
    }

    subClass.prototype = Object.create(superClass && superClass.prototype, {
      constructor: {
        value: subClass,
        enumerable: false,
        writable: true,
        configurable: true
      }
    });
    if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
  }

  

  var _dec, _dec2, _class, _dec3, _class2, _dec4, _class3, _dec5, _class5, _dec6, _class7, _dec7, _class8, _dec8, _class9, _dec9, _class10, _class12, _temp, _dec10, _class13, _class14, _temp2;

  var targetContext = exports.targetContext = 'Binding:target';
  var sourceContext = exports.sourceContext = 'Binding:source';

  var map = Object.create(null);

  function camelCase(name) {
    if (name in map) {
      return map[name];
    }
    var result = name.charAt(0).toLowerCase() + name.slice(1).replace(/[_.-](\w|$)/g, function (_, x) {
      return x.toUpperCase();
    });
    map[name] = result;
    return result;
  }

  function createOverrideContext(bindingContext, parentOverrideContext) {
    return {
      bindingContext: bindingContext,
      parentOverrideContext: parentOverrideContext || null
    };
  }

  function getContextFor(name, scope, ancestor) {
    var oc = scope.overrideContext;

    if (ancestor) {
      while (ancestor && oc) {
        ancestor--;
        oc = oc.parentOverrideContext;
      }
      if (ancestor || !oc) {
        return undefined;
      }
      return name in oc ? oc : oc.bindingContext;
    }

    while (oc && !(name in oc) && !(oc.bindingContext && name in oc.bindingContext)) {
      oc = oc.parentOverrideContext;
    }
    if (oc) {
      return name in oc ? oc : oc.bindingContext;
    }

    return scope.bindingContext || scope.overrideContext;
  }

  function createScopeForTest(bindingContext, parentBindingContext) {
    if (parentBindingContext) {
      return {
        bindingContext: bindingContext,
        overrideContext: createOverrideContext(bindingContext, createOverrideContext(parentBindingContext))
      };
    }
    return {
      bindingContext: bindingContext,
      overrideContext: createOverrideContext(bindingContext)
    };
  }

  var slotNames = [];
  var versionSlotNames = [];

  for (var i = 0; i < 100; i++) {
    slotNames.push('_observer' + i);
    versionSlotNames.push('_observerVersion' + i);
  }

  function addObserver(observer) {
    var observerSlots = this._observerSlots === undefined ? 0 : this._observerSlots;
    var i = observerSlots;
    while (i-- && this[slotNames[i]] !== observer) {}

    if (i === -1) {
      i = 0;
      while (this[slotNames[i]]) {
        i++;
      }
      this[slotNames[i]] = observer;
      observer.subscribe(sourceContext, this);

      if (i === observerSlots) {
        this._observerSlots = i + 1;
      }
    }

    if (this._version === undefined) {
      this._version = 0;
    }
    this[versionSlotNames[i]] = this._version;
  }

  function observeProperty(obj, propertyName) {
    var observer = this.observerLocator.getObserver(obj, propertyName);
    addObserver.call(this, observer);
  }

  function observeArray(array) {
    var observer = this.observerLocator.getArrayObserver(array);
    addObserver.call(this, observer);
  }

  function unobserve(all) {
    var i = this._observerSlots;
    while (i--) {
      if (all || this[versionSlotNames[i]] !== this._version) {
        var observer = this[slotNames[i]];
        this[slotNames[i]] = null;
        if (observer) {
          observer.unsubscribe(sourceContext, this);
        }
      }
    }
  }

  function connectable() {
    return function (target) {
      target.prototype.observeProperty = observeProperty;
      target.prototype.observeArray = observeArray;
      target.prototype.unobserve = unobserve;
      target.prototype.addObserver = addObserver;
    };
  }

  var queue = [];
  var queued = {};
  var nextId = 0;
  var minimumImmediate = 100;
  var frameBudget = 15;

  var isFlushRequested = false;
  var immediate = 0;

  function flush(animationFrameStart) {
    var length = queue.length;
    var i = 0;
    while (i < length) {
      var binding = queue[i];
      queued[binding.__connectQueueId] = false;
      binding.connect(true);
      i++;

      if (i % 100 === 0 && _aureliaPal.PLATFORM.performance.now() - animationFrameStart > frameBudget) {
        break;
      }
    }
    queue.splice(0, i);

    if (queue.length) {
      _aureliaPal.PLATFORM.requestAnimationFrame(flush);
    } else {
      isFlushRequested = false;
      immediate = 0;
    }
  }

  function enqueueBindingConnect(binding) {
    if (immediate < minimumImmediate) {
      immediate++;
      binding.connect(false);
    } else {
      var id = binding.__connectQueueId;
      if (id === undefined) {
        id = nextId;
        nextId++;
        binding.__connectQueueId = id;
      }

      if (!queued[id]) {
        queue.push(binding);
        queued[id] = true;
      }
    }
    if (!isFlushRequested) {
      isFlushRequested = true;
      _aureliaPal.PLATFORM.requestAnimationFrame(flush);
    }
  }

  function addSubscriber(context, callable) {
    if (this.hasSubscriber(context, callable)) {
      return false;
    }
    if (!this._context0) {
      this._context0 = context;
      this._callable0 = callable;
      return true;
    }
    if (!this._context1) {
      this._context1 = context;
      this._callable1 = callable;
      return true;
    }
    if (!this._context2) {
      this._context2 = context;
      this._callable2 = callable;
      return true;
    }
    if (!this._contextsRest) {
      this._contextsRest = [context];
      this._callablesRest = [callable];
      return true;
    }
    this._contextsRest.push(context);
    this._callablesRest.push(callable);
    return true;
  }

  function removeSubscriber(context, callable) {
    if (this._context0 === context && this._callable0 === callable) {
      this._context0 = null;
      this._callable0 = null;
      return true;
    }
    if (this._context1 === context && this._callable1 === callable) {
      this._context1 = null;
      this._callable1 = null;
      return true;
    }
    if (this._context2 === context && this._callable2 === callable) {
      this._context2 = null;
      this._callable2 = null;
      return true;
    }
    var callables = this._callablesRest;
    if (callables === undefined || callables.length === 0) {
      return false;
    }
    var contexts = this._contextsRest;
    var i = 0;
    while (!(callables[i] === callable && contexts[i] === context) && callables.length > i) {
      i++;
    }
    if (i >= callables.length) {
      return false;
    }
    contexts.splice(i, 1);
    callables.splice(i, 1);
    return true;
  }

  var arrayPool1 = [];
  var arrayPool2 = [];
  var poolUtilization = [];

  function callSubscribers(newValue, oldValue) {
    var context0 = this._context0;
    var callable0 = this._callable0;
    var context1 = this._context1;
    var callable1 = this._callable1;
    var context2 = this._context2;
    var callable2 = this._callable2;
    var length = this._contextsRest ? this._contextsRest.length : 0;
    var contextsRest = void 0;
    var callablesRest = void 0;
    var poolIndex = void 0;
    var i = void 0;
    if (length) {
      poolIndex = poolUtilization.length;
      while (poolIndex-- && poolUtilization[poolIndex]) {}
      if (poolIndex < 0) {
        poolIndex = poolUtilization.length;
        contextsRest = [];
        callablesRest = [];
        poolUtilization.push(true);
        arrayPool1.push(contextsRest);
        arrayPool2.push(callablesRest);
      } else {
        poolUtilization[poolIndex] = true;
        contextsRest = arrayPool1[poolIndex];
        callablesRest = arrayPool2[poolIndex];
      }

      i = length;
      while (i--) {
        contextsRest[i] = this._contextsRest[i];
        callablesRest[i] = this._callablesRest[i];
      }
    }

    if (context0) {
      if (callable0) {
        callable0.call(context0, newValue, oldValue);
      } else {
        context0(newValue, oldValue);
      }
    }
    if (context1) {
      if (callable1) {
        callable1.call(context1, newValue, oldValue);
      } else {
        context1(newValue, oldValue);
      }
    }
    if (context2) {
      if (callable2) {
        callable2.call(context2, newValue, oldValue);
      } else {
        context2(newValue, oldValue);
      }
    }
    if (length) {
      for (i = 0; i < length; i++) {
        var callable = callablesRest[i];
        var context = contextsRest[i];
        if (callable) {
          callable.call(context, newValue, oldValue);
        } else {
          context(newValue, oldValue);
        }
        contextsRest[i] = null;
        callablesRest[i] = null;
      }
      poolUtilization[poolIndex] = false;
    }
  }

  function hasSubscribers() {
    return !!(this._context0 || this._context1 || this._context2 || this._contextsRest && this._contextsRest.length);
  }

  function hasSubscriber(context, callable) {
    var has = this._context0 === context && this._callable0 === callable || this._context1 === context && this._callable1 === callable || this._context2 === context && this._callable2 === callable;
    if (has) {
      return true;
    }
    var index = void 0;
    var contexts = this._contextsRest;
    if (!contexts || (index = contexts.length) === 0) {
      return false;
    }
    var callables = this._callablesRest;
    while (index--) {
      if (contexts[index] === context && callables[index] === callable) {
        return true;
      }
    }
    return false;
  }

  function subscriberCollection() {
    return function (target) {
      target.prototype.addSubscriber = addSubscriber;
      target.prototype.removeSubscriber = removeSubscriber;
      target.prototype.callSubscribers = callSubscribers;
      target.prototype.hasSubscribers = hasSubscribers;
      target.prototype.hasSubscriber = hasSubscriber;
    };
  }

  var ExpressionObserver = exports.ExpressionObserver = (_dec = connectable(), _dec2 = subscriberCollection(), _dec(_class = _dec2(_class = function () {
    function ExpressionObserver(scope, expression, observerLocator, lookupFunctions) {
      

      this.scope = scope;
      this.expression = expression;
      this.observerLocator = observerLocator;
      this.lookupFunctions = lookupFunctions;
    }

    ExpressionObserver.prototype.getValue = function getValue() {
      return this.expression.evaluate(this.scope, this.lookupFunctions);
    };

    ExpressionObserver.prototype.setValue = function setValue(newValue) {
      this.expression.assign(this.scope, newValue);
    };

    ExpressionObserver.prototype.subscribe = function subscribe(context, callable) {
      var _this = this;

      if (!this.hasSubscribers()) {
        this.oldValue = this.expression.evaluate(this.scope, this.lookupFunctions);
        this.expression.connect(this, this.scope);
      }
      this.addSubscriber(context, callable);
      if (arguments.length === 1 && context instanceof Function) {
        return {
          dispose: function dispose() {
            _this.unsubscribe(context, callable);
          }
        };
      }
    };

    ExpressionObserver.prototype.unsubscribe = function unsubscribe(context, callable) {
      if (this.removeSubscriber(context, callable) && !this.hasSubscribers()) {
        this.unobserve(true);
        this.oldValue = undefined;
      }
    };

    ExpressionObserver.prototype.call = function call() {
      var newValue = this.expression.evaluate(this.scope, this.lookupFunctions);
      var oldValue = this.oldValue;
      if (newValue !== oldValue) {
        this.oldValue = newValue;
        this.callSubscribers(newValue, oldValue);
      }
      this._version++;
      this.expression.connect(this, this.scope);
      this.unobserve(false);
    };

    return ExpressionObserver;
  }()) || _class) || _class);


  function isIndex(s) {
    return +s === s >>> 0;
  }

  function toNumber(s) {
    return +s;
  }

  function newSplice(index, removed, addedCount) {
    return {
      index: index,
      removed: removed,
      addedCount: addedCount
    };
  }

  var EDIT_LEAVE = 0;
  var EDIT_UPDATE = 1;
  var EDIT_ADD = 2;
  var EDIT_DELETE = 3;

  function ArraySplice() {}

  ArraySplice.prototype = {
    calcEditDistances: function calcEditDistances(current, currentStart, currentEnd, old, oldStart, oldEnd) {
      var rowCount = oldEnd - oldStart + 1;
      var columnCount = currentEnd - currentStart + 1;
      var distances = new Array(rowCount);
      var north = void 0;
      var west = void 0;

      for (var _i = 0; _i < rowCount; ++_i) {
        distances[_i] = new Array(columnCount);
        distances[_i][0] = _i;
      }

      for (var j = 0; j < columnCount; ++j) {
        distances[0][j] = j;
      }

      for (var _i2 = 1; _i2 < rowCount; ++_i2) {
        for (var _j = 1; _j < columnCount; ++_j) {
          if (this.equals(current[currentStart + _j - 1], old[oldStart + _i2 - 1])) {
            distances[_i2][_j] = distances[_i2 - 1][_j - 1];
          } else {
            north = distances[_i2 - 1][_j] + 1;
            west = distances[_i2][_j - 1] + 1;
            distances[_i2][_j] = north < west ? north : west;
          }
        }
      }

      return distances;
    },

    spliceOperationsFromEditDistances: function spliceOperationsFromEditDistances(distances) {
      var i = distances.length - 1;
      var j = distances[0].length - 1;
      var current = distances[i][j];
      var edits = [];
      while (i > 0 || j > 0) {
        if (i === 0) {
          edits.push(EDIT_ADD);
          j--;
          continue;
        }
        if (j === 0) {
          edits.push(EDIT_DELETE);
          i--;
          continue;
        }
        var northWest = distances[i - 1][j - 1];
        var west = distances[i - 1][j];
        var north = distances[i][j - 1];

        var min = void 0;
        if (west < north) {
          min = west < northWest ? west : northWest;
        } else {
          min = north < northWest ? north : northWest;
        }

        if (min === northWest) {
          if (northWest === current) {
            edits.push(EDIT_LEAVE);
          } else {
            edits.push(EDIT_UPDATE);
            current = northWest;
          }
          i--;
          j--;
        } else if (min === west) {
          edits.push(EDIT_DELETE);
          i--;
          current = west;
        } else {
          edits.push(EDIT_ADD);
          j--;
          current = north;
        }
      }

      edits.reverse();
      return edits;
    },

    calcSplices: function calcSplices(current, currentStart, currentEnd, old, oldStart, oldEnd) {
      var prefixCount = 0;
      var suffixCount = 0;

      var minLength = Math.min(currentEnd - currentStart, oldEnd - oldStart);
      if (currentStart === 0 && oldStart === 0) {
        prefixCount = this.sharedPrefix(current, old, minLength);
      }

      if (currentEnd === current.length && oldEnd === old.length) {
        suffixCount = this.sharedSuffix(current, old, minLength - prefixCount);
      }

      currentStart += prefixCount;
      oldStart += prefixCount;
      currentEnd -= suffixCount;
      oldEnd -= suffixCount;

      if (currentEnd - currentStart === 0 && oldEnd - oldStart === 0) {
        return [];
      }

      if (currentStart === currentEnd) {
        var _splice = newSplice(currentStart, [], 0);
        while (oldStart < oldEnd) {
          _splice.removed.push(old[oldStart++]);
        }

        return [_splice];
      } else if (oldStart === oldEnd) {
        return [newSplice(currentStart, [], currentEnd - currentStart)];
      }

      var ops = this.spliceOperationsFromEditDistances(this.calcEditDistances(current, currentStart, currentEnd, old, oldStart, oldEnd));

      var splice = undefined;
      var splices = [];
      var index = currentStart;
      var oldIndex = oldStart;
      for (var _i3 = 0; _i3 < ops.length; ++_i3) {
        switch (ops[_i3]) {
          case EDIT_LEAVE:
            if (splice) {
              splices.push(splice);
              splice = undefined;
            }

            index++;
            oldIndex++;
            break;
          case EDIT_UPDATE:
            if (!splice) {
              splice = newSplice(index, [], 0);
            }

            splice.addedCount++;
            index++;

            splice.removed.push(old[oldIndex]);
            oldIndex++;
            break;
          case EDIT_ADD:
            if (!splice) {
              splice = newSplice(index, [], 0);
            }

            splice.addedCount++;
            index++;
            break;
          case EDIT_DELETE:
            if (!splice) {
              splice = newSplice(index, [], 0);
            }

            splice.removed.push(old[oldIndex]);
            oldIndex++;
            break;
        }
      }

      if (splice) {
        splices.push(splice);
      }
      return splices;
    },

    sharedPrefix: function sharedPrefix(current, old, searchLength) {
      for (var _i4 = 0; _i4 < searchLength; ++_i4) {
        if (!this.equals(current[_i4], old[_i4])) {
          return _i4;
        }
      }

      return searchLength;
    },

    sharedSuffix: function sharedSuffix(current, old, searchLength) {
      var index1 = current.length;
      var index2 = old.length;
      var count = 0;
      while (count < searchLength && this.equals(current[--index1], old[--index2])) {
        count++;
      }

      return count;
    },

    calculateSplices: function calculateSplices(current, previous) {
      return this.calcSplices(current, 0, current.length, previous, 0, previous.length);
    },

    equals: function equals(currentValue, previousValue) {
      return currentValue === previousValue;
    }
  };

  var arraySplice = new ArraySplice();

  function calcSplices(current, currentStart, currentEnd, old, oldStart, oldEnd) {
    return arraySplice.calcSplices(current, currentStart, currentEnd, old, oldStart, oldEnd);
  }

  function intersect(start1, end1, start2, end2) {
    if (end1 < start2 || end2 < start1) {
      return -1;
    }

    if (end1 === start2 || end2 === start1) {
      return 0;
    }

    if (start1 < start2) {
      if (end1 < end2) {
        return end1 - start2;
      }

      return end2 - start2;
    }

    if (end2 < end1) {
      return end2 - start1;
    }

    return end1 - start1;
  }

  function mergeSplice(splices, index, removed, addedCount) {
    var splice = newSplice(index, removed, addedCount);

    var inserted = false;
    var insertionOffset = 0;

    for (var _i5 = 0; _i5 < splices.length; _i5++) {
      var current = splices[_i5];
      current.index += insertionOffset;

      if (inserted) {
        continue;
      }

      var intersectCount = intersect(splice.index, splice.index + splice.removed.length, current.index, current.index + current.addedCount);

      if (intersectCount >= 0) {

        splices.splice(_i5, 1);
        _i5--;

        insertionOffset -= current.addedCount - current.removed.length;

        splice.addedCount += current.addedCount - intersectCount;
        var deleteCount = splice.removed.length + current.removed.length - intersectCount;

        if (!splice.addedCount && !deleteCount) {
          inserted = true;
        } else {
          var currentRemoved = current.removed;

          if (splice.index < current.index) {
            var prepend = splice.removed.slice(0, current.index - splice.index);
            Array.prototype.push.apply(prepend, currentRemoved);
            currentRemoved = prepend;
          }

          if (splice.index + splice.removed.length > current.index + current.addedCount) {
            var append = splice.removed.slice(current.index + current.addedCount - splice.index);
            Array.prototype.push.apply(currentRemoved, append);
          }

          splice.removed = currentRemoved;
          if (current.index < splice.index) {
            splice.index = current.index;
          }
        }
      } else if (splice.index < current.index) {

        inserted = true;

        splices.splice(_i5, 0, splice);
        _i5++;

        var offset = splice.addedCount - splice.removed.length;
        current.index += offset;
        insertionOffset += offset;
      }
    }

    if (!inserted) {
      splices.push(splice);
    }
  }

  function createInitialSplices(array, changeRecords) {
    var splices = [];

    for (var _i6 = 0; _i6 < changeRecords.length; _i6++) {
      var record = changeRecords[_i6];
      switch (record.type) {
        case 'splice':
          mergeSplice(splices, record.index, record.removed.slice(), record.addedCount);
          break;
        case 'add':
        case 'update':
        case 'delete':
          if (!isIndex(record.name)) {
            continue;
          }

          var index = toNumber(record.name);
          if (index < 0) {
            continue;
          }

          mergeSplice(splices, index, [record.oldValue], record.type === 'delete' ? 0 : 1);
          break;
        default:
          console.error('Unexpected record type: ' + JSON.stringify(record));
          break;
      }
    }

    return splices;
  }

  function projectArraySplices(array, changeRecords) {
    var splices = [];

    createInitialSplices(array, changeRecords).forEach(function (splice) {
      if (splice.addedCount === 1 && splice.removed.length === 1) {
        if (splice.removed[0] !== array[splice.index]) {
          splices.push(splice);
        }

        return;
      }

      splices = splices.concat(calcSplices(array, splice.index, splice.index + splice.addedCount, splice.removed, 0, splice.removed.length));
    });

    return splices;
  }

  function newRecord(type, object, key, oldValue) {
    return {
      type: type,
      object: object,
      key: key,
      oldValue: oldValue
    };
  }

  function getChangeRecords(map) {
    var entries = new Array(map.size);
    var keys = map.keys();
    var i = 0;
    var item = void 0;

    while (item = keys.next()) {
      if (item.done) {
        break;
      }

      entries[i] = newRecord('added', map, item.value);
      i++;
    }

    return entries;
  }

  var ModifyCollectionObserver = exports.ModifyCollectionObserver = (_dec3 = subscriberCollection(), _dec3(_class2 = function () {
    function ModifyCollectionObserver(taskQueue, collection) {
      

      this.taskQueue = taskQueue;
      this.queued = false;
      this.changeRecords = null;
      this.oldCollection = null;
      this.collection = collection;
      this.lengthPropertyName = collection instanceof Map || collection instanceof Set ? 'size' : 'length';
    }

    ModifyCollectionObserver.prototype.subscribe = function subscribe(context, callable) {
      this.addSubscriber(context, callable);
    };

    ModifyCollectionObserver.prototype.unsubscribe = function unsubscribe(context, callable) {
      this.removeSubscriber(context, callable);
    };

    ModifyCollectionObserver.prototype.addChangeRecord = function addChangeRecord(changeRecord) {
      if (!this.hasSubscribers() && !this.lengthObserver) {
        return;
      }

      if (changeRecord.type === 'splice') {
        var index = changeRecord.index;
        var arrayLength = changeRecord.object.length;
        if (index > arrayLength) {
          index = arrayLength - changeRecord.addedCount;
        } else if (index < 0) {
          index = arrayLength + changeRecord.removed.length + index - changeRecord.addedCount;
        }
        if (index < 0) {
          index = 0;
        }
        changeRecord.index = index;
      }

      if (this.changeRecords === null) {
        this.changeRecords = [changeRecord];
      } else {
        this.changeRecords.push(changeRecord);
      }

      if (!this.queued) {
        this.queued = true;
        this.taskQueue.queueMicroTask(this);
      }
    };

    ModifyCollectionObserver.prototype.flushChangeRecords = function flushChangeRecords() {
      if (this.changeRecords && this.changeRecords.length || this.oldCollection) {
        this.call();
      }
    };

    ModifyCollectionObserver.prototype.reset = function reset(oldCollection) {
      this.oldCollection = oldCollection;

      if (this.hasSubscribers() && !this.queued) {
        this.queued = true;
        this.taskQueue.queueMicroTask(this);
      }
    };

    ModifyCollectionObserver.prototype.getLengthObserver = function getLengthObserver() {
      return this.lengthObserver || (this.lengthObserver = new CollectionLengthObserver(this.collection));
    };

    ModifyCollectionObserver.prototype.call = function call() {
      var changeRecords = this.changeRecords;
      var oldCollection = this.oldCollection;
      var records = void 0;

      this.queued = false;
      this.changeRecords = [];
      this.oldCollection = null;

      if (this.hasSubscribers()) {
        if (oldCollection) {
          if (this.collection instanceof Map || this.collection instanceof Set) {
            records = getChangeRecords(oldCollection);
          } else {
            records = calcSplices(this.collection, 0, this.collection.length, oldCollection, 0, oldCollection.length);
          }
        } else {
          if (this.collection instanceof Map || this.collection instanceof Set) {
            records = changeRecords;
          } else {
            records = projectArraySplices(this.collection, changeRecords);
          }
        }

        this.callSubscribers(records);
      }

      if (this.lengthObserver) {
        this.lengthObserver.call(this.collection[this.lengthPropertyName]);
      }
    };

    return ModifyCollectionObserver;
  }()) || _class2);
  var CollectionLengthObserver = exports.CollectionLengthObserver = (_dec4 = subscriberCollection(), _dec4(_class3 = function () {
    function CollectionLengthObserver(collection) {
      

      this.collection = collection;
      this.lengthPropertyName = collection instanceof Map || collection instanceof Set ? 'size' : 'length';
      this.currentValue = collection[this.lengthPropertyName];
    }

    CollectionLengthObserver.prototype.getValue = function getValue() {
      return this.collection[this.lengthPropertyName];
    };

    CollectionLengthObserver.prototype.setValue = function setValue(newValue) {
      this.collection[this.lengthPropertyName] = newValue;
    };

    CollectionLengthObserver.prototype.subscribe = function subscribe(context, callable) {
      this.addSubscriber(context, callable);
    };

    CollectionLengthObserver.prototype.unsubscribe = function unsubscribe(context, callable) {
      this.removeSubscriber(context, callable);
    };

    CollectionLengthObserver.prototype.call = function call(newValue) {
      var oldValue = this.currentValue;
      this.callSubscribers(newValue, oldValue);
      this.currentValue = newValue;
    };

    return CollectionLengthObserver;
  }()) || _class3);

  var pop = Array.prototype.pop;
  var push = Array.prototype.push;
  var reverse = Array.prototype.reverse;
  var shift = Array.prototype.shift;
  var sort = Array.prototype.sort;
  var splice = Array.prototype.splice;
  var unshift = Array.prototype.unshift;

  Array.prototype.pop = function () {
    var notEmpty = this.length > 0;
    var methodCallResult = pop.apply(this, arguments);
    if (notEmpty && this.__array_observer__ !== undefined) {
      this.__array_observer__.addChangeRecord({
        type: 'delete',
        object: this,
        name: this.length,
        oldValue: methodCallResult
      });
    }
    return methodCallResult;
  };

  Array.prototype.push = function () {
    var methodCallResult = push.apply(this, arguments);
    if (this.__array_observer__ !== undefined) {
      this.__array_observer__.addChangeRecord({
        type: 'splice',
        object: this,
        index: this.length - arguments.length,
        removed: [],
        addedCount: arguments.length
      });
    }
    return methodCallResult;
  };

  Array.prototype.reverse = function () {
    var oldArray = void 0;
    if (this.__array_observer__ !== undefined) {
      this.__array_observer__.flushChangeRecords();
      oldArray = this.slice();
    }
    var methodCallResult = reverse.apply(this, arguments);
    if (this.__array_observer__ !== undefined) {
      this.__array_observer__.reset(oldArray);
    }
    return methodCallResult;
  };

  Array.prototype.shift = function () {
    var notEmpty = this.length > 0;
    var methodCallResult = shift.apply(this, arguments);
    if (notEmpty && this.__array_observer__ !== undefined) {
      this.__array_observer__.addChangeRecord({
        type: 'delete',
        object: this,
        name: 0,
        oldValue: methodCallResult
      });
    }
    return methodCallResult;
  };

  Array.prototype.sort = function () {
    var oldArray = void 0;
    if (this.__array_observer__ !== undefined) {
      this.__array_observer__.flushChangeRecords();
      oldArray = this.slice();
    }
    var methodCallResult = sort.apply(this, arguments);
    if (this.__array_observer__ !== undefined) {
      this.__array_observer__.reset(oldArray);
    }
    return methodCallResult;
  };

  Array.prototype.splice = function () {
    var methodCallResult = splice.apply(this, arguments);
    if (this.__array_observer__ !== undefined) {
      this.__array_observer__.addChangeRecord({
        type: 'splice',
        object: this,
        index: +arguments[0],
        removed: methodCallResult,
        addedCount: arguments.length > 2 ? arguments.length - 2 : 0
      });
    }
    return methodCallResult;
  };

  Array.prototype.unshift = function () {
    var methodCallResult = unshift.apply(this, arguments);
    if (this.__array_observer__ !== undefined) {
      this.__array_observer__.addChangeRecord({
        type: 'splice',
        object: this,
        index: 0,
        removed: [],
        addedCount: arguments.length
      });
    }
    return methodCallResult;
  };

  function _getArrayObserver(taskQueue, array) {
    return ModifyArrayObserver.for(taskQueue, array);
  }

  exports.getArrayObserver = _getArrayObserver;

  var ModifyArrayObserver = function (_ModifyCollectionObse) {
    _inherits(ModifyArrayObserver, _ModifyCollectionObse);

    function ModifyArrayObserver(taskQueue, array) {
      

      return _possibleConstructorReturn(this, _ModifyCollectionObse.call(this, taskQueue, array));
    }

    ModifyArrayObserver.for = function _for(taskQueue, array) {
      if (!('__array_observer__' in array)) {
        Reflect.defineProperty(array, '__array_observer__', {
          value: ModifyArrayObserver.create(taskQueue, array),
          enumerable: false, configurable: false
        });
      }
      return array.__array_observer__;
    };

    ModifyArrayObserver.create = function create(taskQueue, array) {
      return new ModifyArrayObserver(taskQueue, array);
    };

    return ModifyArrayObserver;
  }(ModifyCollectionObserver);

  var Expression = exports.Expression = function () {
    function Expression() {
      

      this.isChain = false;
      this.isAssignable = false;
    }

    Expression.prototype.evaluate = function evaluate(scope, lookupFunctions, args) {
      throw new Error('Binding expression "' + this + '" cannot be evaluated.');
    };

    Expression.prototype.assign = function assign(scope, value, lookupFunctions) {
      throw new Error('Binding expression "' + this + '" cannot be assigned to.');
    };

    Expression.prototype.toString = function toString() {
      return typeof FEATURE_NO_UNPARSER === 'undefined' ? _Unparser.unparse(this) : Function.prototype.toString.call(this);
    };

    return Expression;
  }();

  var Chain = exports.Chain = function (_Expression) {
    _inherits(Chain, _Expression);

    function Chain(expressions) {
      

      var _this3 = _possibleConstructorReturn(this, _Expression.call(this));

      _this3.expressions = expressions;
      _this3.isChain = true;
      return _this3;
    }

    Chain.prototype.evaluate = function evaluate(scope, lookupFunctions) {
      var result = void 0;
      var expressions = this.expressions;
      var last = void 0;

      for (var _i7 = 0, length = expressions.length; _i7 < length; ++_i7) {
        last = expressions[_i7].evaluate(scope, lookupFunctions);

        if (last !== null) {
          result = last;
        }
      }

      return result;
    };

    Chain.prototype.accept = function accept(visitor) {
      return visitor.visitChain(this);
    };

    return Chain;
  }(Expression);

  var BindingBehavior = exports.BindingBehavior = function (_Expression2) {
    _inherits(BindingBehavior, _Expression2);

    function BindingBehavior(expression, name, args) {
      

      var _this4 = _possibleConstructorReturn(this, _Expression2.call(this));

      _this4.expression = expression;
      _this4.name = name;
      _this4.args = args;
      return _this4;
    }

    BindingBehavior.prototype.evaluate = function evaluate(scope, lookupFunctions) {
      return this.expression.evaluate(scope, lookupFunctions);
    };

    BindingBehavior.prototype.assign = function assign(scope, value, lookupFunctions) {
      return this.expression.assign(scope, value, lookupFunctions);
    };

    BindingBehavior.prototype.accept = function accept(visitor) {
      return visitor.visitBindingBehavior(this);
    };

    BindingBehavior.prototype.connect = function connect(binding, scope) {
      this.expression.connect(binding, scope);
    };

    BindingBehavior.prototype.bind = function bind(binding, scope, lookupFunctions) {
      if (this.expression.expression && this.expression.bind) {
        this.expression.bind(binding, scope, lookupFunctions);
      }
      var behavior = lookupFunctions.bindingBehaviors(this.name);
      if (!behavior) {
        throw new Error('No BindingBehavior named "' + this.name + '" was found!');
      }
      var behaviorKey = 'behavior-' + this.name;
      if (binding[behaviorKey]) {
        throw new Error('A binding behavior named "' + this.name + '" has already been applied to "' + this.expression + '"');
      }
      binding[behaviorKey] = behavior;
      behavior.bind.apply(behavior, [binding, scope].concat(evalList(scope, this.args, binding.lookupFunctions)));
    };

    BindingBehavior.prototype.unbind = function unbind(binding, scope) {
      var behaviorKey = 'behavior-' + this.name;
      binding[behaviorKey].unbind(binding, scope);
      binding[behaviorKey] = null;
      if (this.expression.expression && this.expression.unbind) {
        this.expression.unbind(binding, scope);
      }
    };

    return BindingBehavior;
  }(Expression);

  var ValueConverter = exports.ValueConverter = function (_Expression3) {
    _inherits(ValueConverter, _Expression3);

    function ValueConverter(expression, name, args, allArgs) {
      

      var _this5 = _possibleConstructorReturn(this, _Expression3.call(this));

      _this5.expression = expression;
      _this5.name = name;
      _this5.args = args;
      _this5.allArgs = allArgs;
      return _this5;
    }

    ValueConverter.prototype.evaluate = function evaluate(scope, lookupFunctions) {
      var converter = lookupFunctions.valueConverters(this.name);
      if (!converter) {
        throw new Error('No ValueConverter named "' + this.name + '" was found!');
      }

      if ('toView' in converter) {
        return converter.toView.apply(converter, evalList(scope, this.allArgs, lookupFunctions));
      }

      return this.allArgs[0].evaluate(scope, lookupFunctions);
    };

    ValueConverter.prototype.assign = function assign(scope, value, lookupFunctions) {
      var converter = lookupFunctions.valueConverters(this.name);
      if (!converter) {
        throw new Error('No ValueConverter named "' + this.name + '" was found!');
      }

      if ('fromView' in converter) {
        value = converter.fromView.apply(converter, [value].concat(evalList(scope, this.args, lookupFunctions)));
      }

      return this.allArgs[0].assign(scope, value, lookupFunctions);
    };

    ValueConverter.prototype.accept = function accept(visitor) {
      return visitor.visitValueConverter(this);
    };

    ValueConverter.prototype.connect = function connect(binding, scope) {
      var expressions = this.allArgs;
      var i = expressions.length;
      while (i--) {
        expressions[i].connect(binding, scope);
      }
      var converter = binding.lookupFunctions.valueConverters(this.name);
      if (!converter) {
        throw new Error('No ValueConverter named "' + this.name + '" was found!');
      }
      var signals = converter.signals;
      if (signals === undefined) {
        return;
      }
      i = signals.length;
      while (i--) {
        connectBindingToSignal(binding, signals[i]);
      }
    };

    return ValueConverter;
  }(Expression);

  var Assign = exports.Assign = function (_Expression4) {
    _inherits(Assign, _Expression4);

    function Assign(target, value) {
      

      var _this6 = _possibleConstructorReturn(this, _Expression4.call(this));

      _this6.target = target;
      _this6.value = value;
      _this6.isAssignable = true;
      return _this6;
    }

    Assign.prototype.evaluate = function evaluate(scope, lookupFunctions) {
      return this.target.assign(scope, this.value.evaluate(scope, lookupFunctions));
    };

    Assign.prototype.accept = function accept(vistor) {
      vistor.visitAssign(this);
    };

    Assign.prototype.connect = function connect(binding, scope) {};

    Assign.prototype.assign = function assign(scope, value) {
      this.value.assign(scope, value);
      this.target.assign(scope, value);
    };

    return Assign;
  }(Expression);

  var Conditional = exports.Conditional = function (_Expression5) {
    _inherits(Conditional, _Expression5);

    function Conditional(condition, yes, no) {
      

      var _this7 = _possibleConstructorReturn(this, _Expression5.call(this));

      _this7.condition = condition;
      _this7.yes = yes;
      _this7.no = no;
      return _this7;
    }

    Conditional.prototype.evaluate = function evaluate(scope, lookupFunctions) {
      return !!this.condition.evaluate(scope, lookupFunctions) ? this.yes.evaluate(scope, lookupFunctions) : this.no.evaluate(scope, lookupFunctions);
    };

    Conditional.prototype.accept = function accept(visitor) {
      return visitor.visitConditional(this);
    };

    Conditional.prototype.connect = function connect(binding, scope) {
      this.condition.connect(binding, scope);
      if (this.condition.evaluate(scope)) {
        this.yes.connect(binding, scope);
      } else {
        this.no.connect(binding, scope);
      }
    };

    return Conditional;
  }(Expression);

  var AccessThis = exports.AccessThis = function (_Expression6) {
    _inherits(AccessThis, _Expression6);

    function AccessThis(ancestor) {
      

      var _this8 = _possibleConstructorReturn(this, _Expression6.call(this));

      _this8.ancestor = ancestor;
      return _this8;
    }

    AccessThis.prototype.evaluate = function evaluate(scope, lookupFunctions) {
      var oc = scope.overrideContext;
      var i = this.ancestor;
      while (i-- && oc) {
        oc = oc.parentOverrideContext;
      }
      return i < 1 && oc ? oc.bindingContext : undefined;
    };

    AccessThis.prototype.accept = function accept(visitor) {
      return visitor.visitAccessThis(this);
    };

    AccessThis.prototype.connect = function connect(binding, scope) {};

    return AccessThis;
  }(Expression);

  var AccessScope = exports.AccessScope = function (_Expression7) {
    _inherits(AccessScope, _Expression7);

    function AccessScope(name, ancestor) {
      

      var _this9 = _possibleConstructorReturn(this, _Expression7.call(this));

      _this9.name = name;
      _this9.ancestor = ancestor;
      _this9.isAssignable = true;
      return _this9;
    }

    AccessScope.prototype.evaluate = function evaluate(scope, lookupFunctions) {
      var context = getContextFor(this.name, scope, this.ancestor);
      return context[this.name];
    };

    AccessScope.prototype.assign = function assign(scope, value) {
      var context = getContextFor(this.name, scope, this.ancestor);
      return context ? context[this.name] = value : undefined;
    };

    AccessScope.prototype.accept = function accept(visitor) {
      return visitor.visitAccessScope(this);
    };

    AccessScope.prototype.connect = function connect(binding, scope) {
      var context = getContextFor(this.name, scope, this.ancestor);
      binding.observeProperty(context, this.name);
    };

    return AccessScope;
  }(Expression);

  var AccessMember = exports.AccessMember = function (_Expression8) {
    _inherits(AccessMember, _Expression8);

    function AccessMember(object, name) {
      

      var _this10 = _possibleConstructorReturn(this, _Expression8.call(this));

      _this10.object = object;
      _this10.name = name;
      _this10.isAssignable = true;
      return _this10;
    }

    AccessMember.prototype.evaluate = function evaluate(scope, lookupFunctions) {
      var instance = this.object.evaluate(scope, lookupFunctions);
      return instance === null || instance === undefined ? instance : instance[this.name];
    };

    AccessMember.prototype.assign = function assign(scope, value) {
      var instance = this.object.evaluate(scope);

      if (instance === null || instance === undefined) {
        instance = {};
        this.object.assign(scope, instance);
      }

      instance[this.name] = value;
      return value;
    };

    AccessMember.prototype.accept = function accept(visitor) {
      return visitor.visitAccessMember(this);
    };

    AccessMember.prototype.connect = function connect(binding, scope) {
      this.object.connect(binding, scope);
      var obj = this.object.evaluate(scope);
      if (obj) {
        binding.observeProperty(obj, this.name);
      }
    };

    return AccessMember;
  }(Expression);

  var AccessKeyed = exports.AccessKeyed = function (_Expression9) {
    _inherits(AccessKeyed, _Expression9);

    function AccessKeyed(object, key) {
      

      var _this11 = _possibleConstructorReturn(this, _Expression9.call(this));

      _this11.object = object;
      _this11.key = key;
      _this11.isAssignable = true;
      return _this11;
    }

    AccessKeyed.prototype.evaluate = function evaluate(scope, lookupFunctions) {
      var instance = this.object.evaluate(scope, lookupFunctions);
      var lookup = this.key.evaluate(scope, lookupFunctions);
      return getKeyed(instance, lookup);
    };

    AccessKeyed.prototype.assign = function assign(scope, value) {
      var instance = this.object.evaluate(scope);
      var lookup = this.key.evaluate(scope);
      return setKeyed(instance, lookup, value);
    };

    AccessKeyed.prototype.accept = function accept(visitor) {
      return visitor.visitAccessKeyed(this);
    };

    AccessKeyed.prototype.connect = function connect(binding, scope) {
      this.object.connect(binding, scope);
      var obj = this.object.evaluate(scope);
      if (obj instanceof Object) {
        this.key.connect(binding, scope);
        var key = this.key.evaluate(scope);

        if (key !== null && key !== undefined && !(Array.isArray(obj) && typeof key === 'number')) {
          binding.observeProperty(obj, key);
        }
      }
    };

    return AccessKeyed;
  }(Expression);

  var CallScope = exports.CallScope = function (_Expression10) {
    _inherits(CallScope, _Expression10);

    function CallScope(name, args, ancestor) {
      

      var _this12 = _possibleConstructorReturn(this, _Expression10.call(this));

      _this12.name = name;
      _this12.args = args;
      _this12.ancestor = ancestor;
      return _this12;
    }

    CallScope.prototype.evaluate = function evaluate(scope, lookupFunctions, mustEvaluate) {
      var args = evalList(scope, this.args, lookupFunctions);
      var context = getContextFor(this.name, scope, this.ancestor);
      var func = getFunction(context, this.name, mustEvaluate);
      if (func) {
        return func.apply(context, args);
      }
      return undefined;
    };

    CallScope.prototype.accept = function accept(visitor) {
      return visitor.visitCallScope(this);
    };

    CallScope.prototype.connect = function connect(binding, scope) {
      var args = this.args;
      var i = args.length;
      while (i--) {
        args[i].connect(binding, scope);
      }
    };

    return CallScope;
  }(Expression);

  var CallMember = exports.CallMember = function (_Expression11) {
    _inherits(CallMember, _Expression11);

    function CallMember(object, name, args) {
      

      var _this13 = _possibleConstructorReturn(this, _Expression11.call(this));

      _this13.object = object;
      _this13.name = name;
      _this13.args = args;
      return _this13;
    }

    CallMember.prototype.evaluate = function evaluate(scope, lookupFunctions, mustEvaluate) {
      var instance = this.object.evaluate(scope, lookupFunctions);
      var args = evalList(scope, this.args, lookupFunctions);
      var func = getFunction(instance, this.name, mustEvaluate);
      if (func) {
        return func.apply(instance, args);
      }
      return undefined;
    };

    CallMember.prototype.accept = function accept(visitor) {
      return visitor.visitCallMember(this);
    };

    CallMember.prototype.connect = function connect(binding, scope) {
      this.object.connect(binding, scope);
      var obj = this.object.evaluate(scope);
      if (getFunction(obj, this.name, false)) {
        var args = this.args;
        var _i8 = args.length;
        while (_i8--) {
          args[_i8].connect(binding, scope);
        }
      }
    };

    return CallMember;
  }(Expression);

  var CallFunction = exports.CallFunction = function (_Expression12) {
    _inherits(CallFunction, _Expression12);

    function CallFunction(func, args) {
      

      var _this14 = _possibleConstructorReturn(this, _Expression12.call(this));

      _this14.func = func;
      _this14.args = args;
      return _this14;
    }

    CallFunction.prototype.evaluate = function evaluate(scope, lookupFunctions, mustEvaluate) {
      var func = this.func.evaluate(scope, lookupFunctions);
      if (typeof func === 'function') {
        return func.apply(null, evalList(scope, this.args, lookupFunctions));
      }
      if (!mustEvaluate && (func === null || func === undefined)) {
        return undefined;
      }
      throw new Error(this.func + ' is not a function');
    };

    CallFunction.prototype.accept = function accept(visitor) {
      return visitor.visitCallFunction(this);
    };

    CallFunction.prototype.connect = function connect(binding, scope) {
      this.func.connect(binding, scope);
      var func = this.func.evaluate(scope);
      if (typeof func === 'function') {
        var args = this.args;
        var _i9 = args.length;
        while (_i9--) {
          args[_i9].connect(binding, scope);
        }
      }
    };

    return CallFunction;
  }(Expression);

  var Binary = exports.Binary = function (_Expression13) {
    _inherits(Binary, _Expression13);

    function Binary(operation, left, right) {
      

      var _this15 = _possibleConstructorReturn(this, _Expression13.call(this));

      _this15.operation = operation;
      _this15.left = left;
      _this15.right = right;
      return _this15;
    }

    Binary.prototype.evaluate = function evaluate(scope, lookupFunctions) {
      var left = this.left.evaluate(scope, lookupFunctions);

      switch (this.operation) {
        case '&&':
          return left && this.right.evaluate(scope, lookupFunctions);
        case '||':
          return left || this.right.evaluate(scope, lookupFunctions);
      }

      var right = this.right.evaluate(scope, lookupFunctions);

      switch (this.operation) {
        case '==':
          return left == right;
        case '===':
          return left === right;
        case '!=':
          return left != right;
        case '!==':
          return left !== right;
      }

      if (left === null || right === null || left === undefined || right === undefined) {
        switch (this.operation) {
          case '+':
            if (left !== null && left !== undefined) return left;
            if (right !== null && right !== undefined) return right;
            return 0;
          case '-':
            if (left !== null && left !== undefined) return left;
            if (right !== null && right !== undefined) return 0 - right;
            return 0;
        }

        return null;
      }

      switch (this.operation) {
        case '+':
          return autoConvertAdd(left, right);
        case '-':
          return left - right;
        case '*':
          return left * right;
        case '/':
          return left / right;
        case '%':
          return left % right;
        case '<':
          return left < right;
        case '>':
          return left > right;
        case '<=':
          return left <= right;
        case '>=':
          return left >= right;
        case '^':
          return left ^ right;
      }

      throw new Error('Internal error [' + this.operation + '] not handled');
    };

    Binary.prototype.accept = function accept(visitor) {
      return visitor.visitBinary(this);
    };

    Binary.prototype.connect = function connect(binding, scope) {
      this.left.connect(binding, scope);
      var left = this.left.evaluate(scope);
      if (this.operation === '&&' && !left || this.operation === '||' && left) {
        return;
      }
      this.right.connect(binding, scope);
    };

    return Binary;
  }(Expression);

  var PrefixNot = exports.PrefixNot = function (_Expression14) {
    _inherits(PrefixNot, _Expression14);

    function PrefixNot(operation, expression) {
      

      var _this16 = _possibleConstructorReturn(this, _Expression14.call(this));

      _this16.operation = operation;
      _this16.expression = expression;
      return _this16;
    }

    PrefixNot.prototype.evaluate = function evaluate(scope, lookupFunctions) {
      return !this.expression.evaluate(scope, lookupFunctions);
    };

    PrefixNot.prototype.accept = function accept(visitor) {
      return visitor.visitPrefix(this);
    };

    PrefixNot.prototype.connect = function connect(binding, scope) {
      this.expression.connect(binding, scope);
    };

    return PrefixNot;
  }(Expression);

  var LiteralPrimitive = exports.LiteralPrimitive = function (_Expression15) {
    _inherits(LiteralPrimitive, _Expression15);

    function LiteralPrimitive(value) {
      

      var _this17 = _possibleConstructorReturn(this, _Expression15.call(this));

      _this17.value = value;
      return _this17;
    }

    LiteralPrimitive.prototype.evaluate = function evaluate(scope, lookupFunctions) {
      return this.value;
    };

    LiteralPrimitive.prototype.accept = function accept(visitor) {
      return visitor.visitLiteralPrimitive(this);
    };

    LiteralPrimitive.prototype.connect = function connect(binding, scope) {};

    return LiteralPrimitive;
  }(Expression);

  var LiteralString = exports.LiteralString = function (_Expression16) {
    _inherits(LiteralString, _Expression16);

    function LiteralString(value) {
      

      var _this18 = _possibleConstructorReturn(this, _Expression16.call(this));

      _this18.value = value;
      return _this18;
    }

    LiteralString.prototype.evaluate = function evaluate(scope, lookupFunctions) {
      return this.value;
    };

    LiteralString.prototype.accept = function accept(visitor) {
      return visitor.visitLiteralString(this);
    };

    LiteralString.prototype.connect = function connect(binding, scope) {};

    return LiteralString;
  }(Expression);

  var LiteralArray = exports.LiteralArray = function (_Expression17) {
    _inherits(LiteralArray, _Expression17);

    function LiteralArray(elements) {
      

      var _this19 = _possibleConstructorReturn(this, _Expression17.call(this));

      _this19.elements = elements;
      return _this19;
    }

    LiteralArray.prototype.evaluate = function evaluate(scope, lookupFunctions) {
      var elements = this.elements;
      var result = [];

      for (var _i10 = 0, length = elements.length; _i10 < length; ++_i10) {
        result[_i10] = elements[_i10].evaluate(scope, lookupFunctions);
      }

      return result;
    };

    LiteralArray.prototype.accept = function accept(visitor) {
      return visitor.visitLiteralArray(this);
    };

    LiteralArray.prototype.connect = function connect(binding, scope) {
      var length = this.elements.length;
      for (var _i11 = 0; _i11 < length; _i11++) {
        this.elements[_i11].connect(binding, scope);
      }
    };

    return LiteralArray;
  }(Expression);

  var LiteralObject = exports.LiteralObject = function (_Expression18) {
    _inherits(LiteralObject, _Expression18);

    function LiteralObject(keys, values) {
      

      var _this20 = _possibleConstructorReturn(this, _Expression18.call(this));

      _this20.keys = keys;
      _this20.values = values;
      return _this20;
    }

    LiteralObject.prototype.evaluate = function evaluate(scope, lookupFunctions) {
      var instance = {};
      var keys = this.keys;
      var values = this.values;

      for (var _i12 = 0, length = keys.length; _i12 < length; ++_i12) {
        instance[keys[_i12]] = values[_i12].evaluate(scope, lookupFunctions);
      }

      return instance;
    };

    LiteralObject.prototype.accept = function accept(visitor) {
      return visitor.visitLiteralObject(this);
    };

    LiteralObject.prototype.connect = function connect(binding, scope) {
      var length = this.keys.length;
      for (var _i13 = 0; _i13 < length; _i13++) {
        this.values[_i13].connect(binding, scope);
      }
    };

    return LiteralObject;
  }(Expression);

  function evalList(scope, list, lookupFunctions) {
    var length = list.length;
    var result = [];
    for (var _i14 = 0; _i14 < length; _i14++) {
      result[_i14] = list[_i14].evaluate(scope, lookupFunctions);
    }
    return result;
  }

  function autoConvertAdd(a, b) {
    if (a !== null && b !== null) {
      if (typeof a === 'string' && typeof b !== 'string') {
        return a + b.toString();
      }

      if (typeof a !== 'string' && typeof b === 'string') {
        return a.toString() + b;
      }

      return a + b;
    }

    if (a !== null) {
      return a;
    }

    if (b !== null) {
      return b;
    }

    return 0;
  }

  function getFunction(obj, name, mustExist) {
    var func = obj === null || obj === undefined ? null : obj[name];
    if (typeof func === 'function') {
      return func;
    }
    if (!mustExist && (func === null || func === undefined)) {
      return null;
    }
    throw new Error(name + ' is not a function');
  }

  function getKeyed(obj, key) {
    if (Array.isArray(obj)) {
      return obj[parseInt(key, 10)];
    } else if (obj) {
      return obj[key];
    } else if (obj === null || obj === undefined) {
      return undefined;
    }

    return obj[key];
  }

  function setKeyed(obj, key, value) {
    if (Array.isArray(obj)) {
      var index = parseInt(key, 10);

      if (obj.length <= index) {
        obj.length = index + 1;
      }

      obj[index] = value;
    } else {
      obj[key] = value;
    }

    return value;
  }

  var _Unparser = null;

  exports.Unparser = _Unparser;
  if (typeof FEATURE_NO_UNPARSER === 'undefined') {
    exports.Unparser = _Unparser = function () {
      function Unparser(buffer) {
        

        this.buffer = buffer;
      }

      Unparser.unparse = function unparse(expression) {
        var buffer = [];
        var visitor = new _Unparser(buffer);

        expression.accept(visitor);

        return buffer.join('');
      };

      Unparser.prototype.write = function write(text) {
        this.buffer.push(text);
      };

      Unparser.prototype.writeArgs = function writeArgs(args) {
        this.write('(');

        for (var _i15 = 0, length = args.length; _i15 < length; ++_i15) {
          if (_i15 !== 0) {
            this.write(',');
          }

          args[_i15].accept(this);
        }

        this.write(')');
      };

      Unparser.prototype.visitChain = function visitChain(chain) {
        var expressions = chain.expressions;

        for (var _i16 = 0, length = expression.length; _i16 < length; ++_i16) {
          if (_i16 !== 0) {
            this.write(';');
          }

          expressions[_i16].accept(this);
        }
      };

      Unparser.prototype.visitBindingBehavior = function visitBindingBehavior(behavior) {
        var args = behavior.args;

        behavior.expression.accept(this);
        this.write('&' + behavior.name);

        for (var _i17 = 0, length = args.length; _i17 < length; ++_i17) {
          this.write(':');
          args[_i17].accept(this);
        }
      };

      Unparser.prototype.visitValueConverter = function visitValueConverter(converter) {
        var args = converter.args;

        converter.expression.accept(this);
        this.write('|' + converter.name);

        for (var _i18 = 0, length = args.length; _i18 < length; ++_i18) {
          this.write(':');
          args[_i18].accept(this);
        }
      };

      Unparser.prototype.visitAssign = function visitAssign(assign) {
        assign.target.accept(this);
        this.write('=');
        assign.value.accept(this);
      };

      Unparser.prototype.visitConditional = function visitConditional(conditional) {
        conditional.condition.accept(this);
        this.write('?');
        conditional.yes.accept(this);
        this.write(':');
        conditional.no.accept(this);
      };

      Unparser.prototype.visitAccessThis = function visitAccessThis(access) {
        if (access.ancestor === 0) {
          this.write('$this');
          return;
        }
        this.write('$parent');
        var i = access.ancestor - 1;
        while (i--) {
          this.write('.$parent');
        }
      };

      Unparser.prototype.visitAccessScope = function visitAccessScope(access) {
        var i = access.ancestor;
        while (i--) {
          this.write('$parent.');
        }
        this.write(access.name);
      };

      Unparser.prototype.visitAccessMember = function visitAccessMember(access) {
        access.object.accept(this);
        this.write('.' + access.name);
      };

      Unparser.prototype.visitAccessKeyed = function visitAccessKeyed(access) {
        access.object.accept(this);
        this.write('[');
        access.key.accept(this);
        this.write(']');
      };

      Unparser.prototype.visitCallScope = function visitCallScope(call) {
        var i = call.ancestor;
        while (i--) {
          this.write('$parent.');
        }
        this.write(call.name);
        this.writeArgs(call.args);
      };

      Unparser.prototype.visitCallFunction = function visitCallFunction(call) {
        call.func.accept(this);
        this.writeArgs(call.args);
      };

      Unparser.prototype.visitCallMember = function visitCallMember(call) {
        call.object.accept(this);
        this.write('.' + call.name);
        this.writeArgs(call.args);
      };

      Unparser.prototype.visitPrefix = function visitPrefix(prefix) {
        this.write('(' + prefix.operation);
        prefix.expression.accept(this);
        this.write(')');
      };

      Unparser.prototype.visitBinary = function visitBinary(binary) {
        binary.left.accept(this);
        this.write(binary.operation);
        binary.right.accept(this);
      };

      Unparser.prototype.visitLiteralPrimitive = function visitLiteralPrimitive(literal) {
        this.write('' + literal.value);
      };

      Unparser.prototype.visitLiteralArray = function visitLiteralArray(literal) {
        var elements = literal.elements;

        this.write('[');

        for (var _i19 = 0, length = elements.length; _i19 < length; ++_i19) {
          if (_i19 !== 0) {
            this.write(',');
          }

          elements[_i19].accept(this);
        }

        this.write(']');
      };

      Unparser.prototype.visitLiteralObject = function visitLiteralObject(literal) {
        var keys = literal.keys;
        var values = literal.values;

        this.write('{');

        for (var _i20 = 0, length = keys.length; _i20 < length; ++_i20) {
          if (_i20 !== 0) {
            this.write(',');
          }

          this.write('\'' + keys[_i20] + '\':');
          values[_i20].accept(this);
        }

        this.write('}');
      };

      Unparser.prototype.visitLiteralString = function visitLiteralString(literal) {
        var escaped = literal.value.replace(/'/g, "\'");
        this.write('\'' + escaped + '\'');
      };

      return Unparser;
    }();
  }

  var ExpressionCloner = exports.ExpressionCloner = function () {
    function ExpressionCloner() {
      
    }

    ExpressionCloner.prototype.cloneExpressionArray = function cloneExpressionArray(array) {
      var clonedArray = [];
      var i = array.length;
      while (i--) {
        clonedArray[i] = array[i].accept(this);
      }
      return clonedArray;
    };

    ExpressionCloner.prototype.visitChain = function visitChain(chain) {
      return new Chain(this.cloneExpressionArray(chain.expressions));
    };

    ExpressionCloner.prototype.visitBindingBehavior = function visitBindingBehavior(behavior) {
      return new BindingBehavior(behavior.expression.accept(this), behavior.name, this.cloneExpressionArray(behavior.args));
    };

    ExpressionCloner.prototype.visitValueConverter = function visitValueConverter(converter) {
      return new ValueConverter(converter.expression.accept(this), converter.name, this.cloneExpressionArray(converter.args));
    };

    ExpressionCloner.prototype.visitAssign = function visitAssign(assign) {
      return new Assign(assign.target.accept(this), assign.value.accept(this));
    };

    ExpressionCloner.prototype.visitConditional = function visitConditional(conditional) {
      return new Conditional(conditional.condition.accept(this), conditional.yes.accept(this), conditional.no.accept(this));
    };

    ExpressionCloner.prototype.visitAccessThis = function visitAccessThis(access) {
      return new AccessThis(access.ancestor);
    };

    ExpressionCloner.prototype.visitAccessScope = function visitAccessScope(access) {
      return new AccessScope(access.name, access.ancestor);
    };

    ExpressionCloner.prototype.visitAccessMember = function visitAccessMember(access) {
      return new AccessMember(access.object.accept(this), access.name);
    };

    ExpressionCloner.prototype.visitAccessKeyed = function visitAccessKeyed(access) {
      return new AccessKeyed(access.object.accept(this), access.key.accept(this));
    };

    ExpressionCloner.prototype.visitCallScope = function visitCallScope(call) {
      return new CallScope(call.name, this.cloneExpressionArray(call.args), call.ancestor);
    };

    ExpressionCloner.prototype.visitCallFunction = function visitCallFunction(call) {
      return new CallFunction(call.func.accept(this), this.cloneExpressionArray(call.args));
    };

    ExpressionCloner.prototype.visitCallMember = function visitCallMember(call) {
      return new CallMember(call.object.accept(this), call.name, this.cloneExpressionArray(call.args));
    };

    ExpressionCloner.prototype.visitPrefix = function visitPrefix(prefix) {
      return new PrefixNot(prefix.operation, prefix.expression.accept(this));
    };

    ExpressionCloner.prototype.visitBinary = function visitBinary(binary) {
      return new Binary(binary.operation, binary.left.accept(this), binary.right.accept(this));
    };

    ExpressionCloner.prototype.visitLiteralPrimitive = function visitLiteralPrimitive(literal) {
      return new LiteralPrimitive(literal);
    };

    ExpressionCloner.prototype.visitLiteralArray = function visitLiteralArray(literal) {
      return new LiteralArray(this.cloneExpressionArray(literal.elements));
    };

    ExpressionCloner.prototype.visitLiteralObject = function visitLiteralObject(literal) {
      return new LiteralObject(literal.keys, this.cloneExpressionArray(literal.values));
    };

    ExpressionCloner.prototype.visitLiteralString = function visitLiteralString(literal) {
      return new LiteralString(literal.value);
    };

    return ExpressionCloner;
  }();

  function cloneExpression(expression) {
    var visitor = new ExpressionCloner();
    return expression.accept(visitor);
  }

  var bindingMode = exports.bindingMode = {
    oneTime: 0,
    toView: 1,
    oneWay: 1,
    twoWay: 2,
    fromView: 3
  };

  var Token = exports.Token = function () {
    function Token(index, text) {
      

      this.index = index;
      this.text = text;
    }

    Token.prototype.withOp = function withOp(op) {
      this.opKey = op;
      return this;
    };

    Token.prototype.withGetterSetter = function withGetterSetter(key) {
      this.key = key;
      return this;
    };

    Token.prototype.withValue = function withValue(value) {
      this.value = value;
      return this;
    };

    Token.prototype.toString = function toString() {
      return 'Token(' + this.text + ')';
    };

    return Token;
  }();

  var Lexer = exports.Lexer = function () {
    function Lexer() {
      
    }

    Lexer.prototype.lex = function lex(text) {
      var scanner = new Scanner(text);
      var tokens = [];
      var token = scanner.scanToken();

      while (token) {
        tokens.push(token);
        token = scanner.scanToken();
      }

      return tokens;
    };

    return Lexer;
  }();

  var Scanner = exports.Scanner = function () {
    function Scanner(input) {
      

      this.input = input;
      this.length = input.length;
      this.peek = 0;
      this.index = -1;

      this.advance();
    }

    Scanner.prototype.scanToken = function scanToken() {
      while (this.peek <= $SPACE) {
        if (++this.index >= this.length) {
          this.peek = $EOF;
          return null;
        }

        this.peek = this.input.charCodeAt(this.index);
      }

      if (isIdentifierStart(this.peek)) {
        return this.scanIdentifier();
      }

      if (isDigit(this.peek)) {
        return this.scanNumber(this.index);
      }

      var start = this.index;

      switch (this.peek) {
        case $PERIOD:
          this.advance();
          return isDigit(this.peek) ? this.scanNumber(start) : new Token(start, '.');
        case $LPAREN:
        case $RPAREN:
        case $LBRACE:
        case $RBRACE:
        case $LBRACKET:
        case $RBRACKET:
        case $COMMA:
        case $COLON:
        case $SEMICOLON:
          return this.scanCharacter(start, String.fromCharCode(this.peek));
        case $SQ:
        case $DQ:
          return this.scanString();
        case $PLUS:
        case $MINUS:
        case $STAR:
        case $SLASH:
        case $PERCENT:
        case $CARET:
        case $QUESTION:
          return this.scanOperator(start, String.fromCharCode(this.peek));
        case $LT:
        case $GT:
        case $BANG:
        case $EQ:
          return this.scanComplexOperator(start, $EQ, String.fromCharCode(this.peek), '=');
        case $AMPERSAND:
          return this.scanComplexOperator(start, $AMPERSAND, '&', '&');
        case $BAR:
          return this.scanComplexOperator(start, $BAR, '|', '|');
        case $NBSP:
          while (isWhitespace(this.peek)) {
            this.advance();
          }

          return this.scanToken();
      }

      var character = String.fromCharCode(this.peek);
      this.error('Unexpected character [' + character + ']');
      return null;
    };

    Scanner.prototype.scanCharacter = function scanCharacter(start, text) {
      assert(this.peek === text.charCodeAt(0));
      this.advance();
      return new Token(start, text);
    };

    Scanner.prototype.scanOperator = function scanOperator(start, text) {
      assert(this.peek === text.charCodeAt(0));
      assert(OPERATORS[text] === 1);
      this.advance();
      return new Token(start, text).withOp(text);
    };

    Scanner.prototype.scanComplexOperator = function scanComplexOperator(start, code, one, two) {
      assert(this.peek === one.charCodeAt(0));
      this.advance();

      var text = one;

      if (this.peek === code) {
        this.advance();
        text += two;
      }

      if (this.peek === code) {
        this.advance();
        text += two;
      }

      assert(OPERATORS[text] === 1);

      return new Token(start, text).withOp(text);
    };

    Scanner.prototype.scanIdentifier = function scanIdentifier() {
      assert(isIdentifierStart(this.peek));
      var start = this.index;

      this.advance();

      while (isIdentifierPart(this.peek)) {
        this.advance();
      }

      var text = this.input.substring(start, this.index);
      var result = new Token(start, text);

      if (OPERATORS[text] === 1) {
        result.withOp(text);
      } else {
        result.withGetterSetter(text);
      }

      return result;
    };

    Scanner.prototype.scanNumber = function scanNumber(start) {
      assert(isDigit(this.peek));
      var simple = this.index === start;
      this.advance();

      while (true) {
        if (!isDigit(this.peek)) {
          if (this.peek === $PERIOD) {
            simple = false;
          } else if (isExponentStart(this.peek)) {
            this.advance();

            if (isExponentSign(this.peek)) {
              this.advance();
            }

            if (!isDigit(this.peek)) {
              this.error('Invalid exponent', -1);
            }

            simple = false;
          } else {
            break;
          }
        }

        this.advance();
      }

      var text = this.input.substring(start, this.index);
      var value = simple ? parseInt(text, 10) : parseFloat(text);
      return new Token(start, text).withValue(value);
    };

    Scanner.prototype.scanString = function scanString() {
      assert(this.peek === $SQ || this.peek === $DQ);

      var start = this.index;
      var quote = this.peek;

      this.advance();

      var buffer = void 0;
      var marker = this.index;

      while (this.peek !== quote) {
        if (this.peek === $BACKSLASH) {
          if (!buffer) {
            buffer = [];
          }

          buffer.push(this.input.substring(marker, this.index));
          this.advance();

          var _unescaped = void 0;

          if (this.peek === $u) {
            var hex = this.input.substring(this.index + 1, this.index + 5);

            if (!/[A-Z0-9]{4}/.test(hex)) {
              this.error('Invalid unicode escape [\\u' + hex + ']');
            }

            _unescaped = parseInt(hex, 16);

            for (var _i21 = 0; _i21 < 5; ++_i21) {
              this.advance();
            }
          } else {
            _unescaped = unescape(this.peek);
            this.advance();
          }

          buffer.push(String.fromCharCode(_unescaped));
          marker = this.index;
        } else if (this.peek === $EOF) {
          this.error('Unterminated quote');
        } else {
          this.advance();
        }
      }

      var last = this.input.substring(marker, this.index);
      this.advance();
      var text = this.input.substring(start, this.index);

      var unescaped = last;

      if (buffer !== null && buffer !== undefined) {
        buffer.push(last);
        unescaped = buffer.join('');
      }

      return new Token(start, text).withValue(unescaped);
    };

    Scanner.prototype.advance = function advance() {
      if (++this.index >= this.length) {
        this.peek = $EOF;
      } else {
        this.peek = this.input.charCodeAt(this.index);
      }
    };

    Scanner.prototype.error = function error(message) {
      var offset = arguments.length <= 1 || arguments[1] === undefined ? 0 : arguments[1];

      var position = this.index + offset;
      throw new Error('Lexer Error: ' + message + ' at column ' + position + ' in expression [' + this.input + ']');
    };

    return Scanner;
  }();

  var OPERATORS = {
    'undefined': 1,
    'null': 1,
    'true': 1,
    'false': 1,
    '+': 1,
    '-': 1,
    '*': 1,
    '/': 1,
    '%': 1,
    '^': 1,
    '=': 1,
    '==': 1,
    '===': 1,
    '!=': 1,
    '!==': 1,
    '<': 1,
    '>': 1,
    '<=': 1,
    '>=': 1,
    '&&': 1,
    '||': 1,
    '&': 1,
    '|': 1,
    '!': 1,
    '?': 1
  };

  var $EOF = 0;
  var $TAB = 9;
  var $LF = 10;
  var $VTAB = 11;
  var $FF = 12;
  var $CR = 13;
  var $SPACE = 32;
  var $BANG = 33;
  var $DQ = 34;
  var $$ = 36;
  var $PERCENT = 37;
  var $AMPERSAND = 38;
  var $SQ = 39;
  var $LPAREN = 40;
  var $RPAREN = 41;
  var $STAR = 42;
  var $PLUS = 43;
  var $COMMA = 44;
  var $MINUS = 45;
  var $PERIOD = 46;
  var $SLASH = 47;
  var $COLON = 58;
  var $SEMICOLON = 59;
  var $LT = 60;
  var $EQ = 61;
  var $GT = 62;
  var $QUESTION = 63;

  var $0 = 48;
  var $9 = 57;

  var $A = 65;
  var $E = 69;
  var $Z = 90;

  var $LBRACKET = 91;
  var $BACKSLASH = 92;
  var $RBRACKET = 93;
  var $CARET = 94;
  var $_ = 95;

  var $a = 97;
  var $e = 101;
  var $f = 102;
  var $n = 110;
  var $r = 114;
  var $t = 116;
  var $u = 117;
  var $v = 118;
  var $z = 122;

  var $LBRACE = 123;
  var $BAR = 124;
  var $RBRACE = 125;
  var $NBSP = 160;

  function isWhitespace(code) {
    return code >= $TAB && code <= $SPACE || code === $NBSP;
  }

  function isIdentifierStart(code) {
    return $a <= code && code <= $z || $A <= code && code <= $Z || code === $_ || code === $$;
  }

  function isIdentifierPart(code) {
    return $a <= code && code <= $z || $A <= code && code <= $Z || $0 <= code && code <= $9 || code === $_ || code === $$;
  }

  function isDigit(code) {
    return $0 <= code && code <= $9;
  }

  function isExponentStart(code) {
    return code === $e || code === $E;
  }

  function isExponentSign(code) {
    return code === $MINUS || code === $PLUS;
  }

  function unescape(code) {
    switch (code) {
      case $n:
        return $LF;
      case $f:
        return $FF;
      case $r:
        return $CR;
      case $t:
        return $TAB;
      case $v:
        return $VTAB;
      default:
        return code;
    }
  }

  function assert(condition, message) {
    if (!condition) {
      throw message || 'Assertion failed';
    }
  }

  var EOF = new Token(-1, null);

  var Parser = exports.Parser = function () {
    function Parser() {
      

      this.cache = {};
      this.lexer = new Lexer();
    }

    Parser.prototype.parse = function parse(input) {
      input = input || '';

      return this.cache[input] || (this.cache[input] = new ParserImplementation(this.lexer, input).parseChain());
    };

    return Parser;
  }();

  var ParserImplementation = exports.ParserImplementation = function () {
    function ParserImplementation(lexer, input) {
      

      this.index = 0;
      this.input = input;
      this.tokens = lexer.lex(input);
    }

    ParserImplementation.prototype.parseChain = function parseChain() {
      var isChain = false;
      var expressions = [];

      while (this.optional(';')) {
        isChain = true;
      }

      while (this.index < this.tokens.length) {
        if (this.peek.text === ')' || this.peek.text === '}' || this.peek.text === ']') {
          this.error('Unconsumed token ' + this.peek.text);
        }

        var expr = this.parseBindingBehavior();
        expressions.push(expr);

        while (this.optional(';')) {
          isChain = true;
        }

        if (isChain) {
          this.error('Multiple expressions are not allowed.');
        }
      }

      return expressions.length === 1 ? expressions[0] : new Chain(expressions);
    };

    ParserImplementation.prototype.parseBindingBehavior = function parseBindingBehavior() {
      var result = this.parseValueConverter();

      while (this.optional('&')) {
        var name = this.peek.text;
        var args = [];

        this.advance();

        while (this.optional(':')) {
          args.push(this.parseExpression());
        }

        result = new BindingBehavior(result, name, args);
      }

      return result;
    };

    ParserImplementation.prototype.parseValueConverter = function parseValueConverter() {
      var result = this.parseExpression();

      while (this.optional('|')) {
        var name = this.peek.text;
        var args = [];

        this.advance();

        while (this.optional(':')) {
          args.push(this.parseExpression());
        }

        result = new ValueConverter(result, name, args, [result].concat(args));
      }

      return result;
    };

    ParserImplementation.prototype.parseExpression = function parseExpression() {
      var start = this.peek.index;
      var result = this.parseConditional();

      while (this.peek.text === '=') {
        if (!result.isAssignable) {
          var end = this.index < this.tokens.length ? this.peek.index : this.input.length;
          var _expression = this.input.substring(start, end);

          this.error('Expression ' + _expression + ' is not assignable');
        }

        this.expect('=');
        result = new Assign(result, this.parseConditional());
      }

      return result;
    };

    ParserImplementation.prototype.parseConditional = function parseConditional() {
      var start = this.peek.index;
      var result = this.parseLogicalOr();

      if (this.optional('?')) {
        var yes = this.parseExpression();

        if (!this.optional(':')) {
          var end = this.index < this.tokens.length ? this.peek.index : this.input.length;
          var _expression2 = this.input.substring(start, end);

          this.error('Conditional expression ' + _expression2 + ' requires all 3 expressions');
        }

        var no = this.parseExpression();
        result = new Conditional(result, yes, no);
      }

      return result;
    };

    ParserImplementation.prototype.parseLogicalOr = function parseLogicalOr() {
      var result = this.parseLogicalAnd();

      while (this.optional('||')) {
        result = new Binary('||', result, this.parseLogicalAnd());
      }

      return result;
    };

    ParserImplementation.prototype.parseLogicalAnd = function parseLogicalAnd() {
      var result = this.parseEquality();

      while (this.optional('&&')) {
        result = new Binary('&&', result, this.parseEquality());
      }

      return result;
    };

    ParserImplementation.prototype.parseEquality = function parseEquality() {
      var result = this.parseRelational();

      while (true) {
        if (this.optional('==')) {
          result = new Binary('==', result, this.parseRelational());
        } else if (this.optional('!=')) {
          result = new Binary('!=', result, this.parseRelational());
        } else if (this.optional('===')) {
          result = new Binary('===', result, this.parseRelational());
        } else if (this.optional('!==')) {
          result = new Binary('!==', result, this.parseRelational());
        } else {
          return result;
        }
      }
    };

    ParserImplementation.prototype.parseRelational = function parseRelational() {
      var result = this.parseAdditive();

      while (true) {
        if (this.optional('<')) {
          result = new Binary('<', result, this.parseAdditive());
        } else if (this.optional('>')) {
          result = new Binary('>', result, this.parseAdditive());
        } else if (this.optional('<=')) {
          result = new Binary('<=', result, this.parseAdditive());
        } else if (this.optional('>=')) {
          result = new Binary('>=', result, this.parseAdditive());
        } else {
          return result;
        }
      }
    };

    ParserImplementation.prototype.parseAdditive = function parseAdditive() {
      var result = this.parseMultiplicative();

      while (true) {
        if (this.optional('+')) {
          result = new Binary('+', result, this.parseMultiplicative());
        } else if (this.optional('-')) {
          result = new Binary('-', result, this.parseMultiplicative());
        } else {
          return result;
        }
      }
    };

    ParserImplementation.prototype.parseMultiplicative = function parseMultiplicative() {
      var result = this.parsePrefix();

      while (true) {
        if (this.optional('*')) {
          result = new Binary('*', result, this.parsePrefix());
        } else if (this.optional('%')) {
          result = new Binary('%', result, this.parsePrefix());
        } else if (this.optional('/')) {
          result = new Binary('/', result, this.parsePrefix());
        } else {
          return result;
        }
      }
    };

    ParserImplementation.prototype.parsePrefix = function parsePrefix() {
      if (this.optional('+')) {
        return this.parsePrefix();
      } else if (this.optional('-')) {
        return new Binary('-', new LiteralPrimitive(0), this.parsePrefix());
      } else if (this.optional('!')) {
        return new PrefixNot('!', this.parsePrefix());
      }

      return this.parseAccessOrCallMember();
    };

    ParserImplementation.prototype.parseAccessOrCallMember = function parseAccessOrCallMember() {
      var result = this.parsePrimary();

      while (true) {
        if (this.optional('.')) {
          var name = this.peek.text;

          this.advance();

          if (this.optional('(')) {
            var args = this.parseExpressionList(')');
            this.expect(')');
            if (result instanceof AccessThis) {
              result = new CallScope(name, args, result.ancestor);
            } else {
              result = new CallMember(result, name, args);
            }
          } else {
            if (result instanceof AccessThis) {
              result = new AccessScope(name, result.ancestor);
            } else {
              result = new AccessMember(result, name);
            }
          }
        } else if (this.optional('[')) {
          var key = this.parseExpression();
          this.expect(']');
          result = new AccessKeyed(result, key);
        } else if (this.optional('(')) {
          var _args = this.parseExpressionList(')');
          this.expect(')');
          result = new CallFunction(result, _args);
        } else {
          return result;
        }
      }
    };

    ParserImplementation.prototype.parsePrimary = function parsePrimary() {
      if (this.optional('(')) {
        var result = this.parseExpression();
        this.expect(')');
        return result;
      } else if (this.optional('null')) {
        return new LiteralPrimitive(null);
      } else if (this.optional('undefined')) {
        return new LiteralPrimitive(undefined);
      } else if (this.optional('true')) {
        return new LiteralPrimitive(true);
      } else if (this.optional('false')) {
        return new LiteralPrimitive(false);
      } else if (this.optional('[')) {
        var elements = this.parseExpressionList(']');
        this.expect(']');
        return new LiteralArray(elements);
      } else if (this.peek.text === '{') {
        return this.parseObject();
      } else if (this.peek.key !== null && this.peek.key !== undefined) {
        return this.parseAccessOrCallScope();
      } else if (this.peek.value !== null && this.peek.value !== undefined) {
        var value = this.peek.value;
        this.advance();
        return value instanceof String || typeof value === 'string' ? new LiteralString(value) : new LiteralPrimitive(value);
      } else if (this.index >= this.tokens.length) {
        throw new Error('Unexpected end of expression: ' + this.input);
      } else {
        this.error('Unexpected token ' + this.peek.text);
      }
    };

    ParserImplementation.prototype.parseAccessOrCallScope = function parseAccessOrCallScope() {
      var name = this.peek.key;

      this.advance();

      if (name === '$this') {
        return new AccessThis(0);
      }

      var ancestor = 0;
      while (name === '$parent') {
        ancestor++;
        if (this.optional('.')) {
          name = this.peek.key;
          this.advance();
        } else if (this.peek === EOF || this.peek.text === '(' || this.peek.text === ')' || this.peek.text === '[' || this.peek.text === '}' || this.peek.text === ',' || this.peek.text === '|' || this.peek.text === '&') {
          return new AccessThis(ancestor);
        } else {
          this.error('Unexpected token ' + this.peek.text);
        }
      }

      if (this.optional('(')) {
        var args = this.parseExpressionList(')');
        this.expect(')');
        return new CallScope(name, args, ancestor);
      }

      return new AccessScope(name, ancestor);
    };

    ParserImplementation.prototype.parseObject = function parseObject() {
      var keys = [];
      var values = [];

      this.expect('{');

      if (this.peek.text !== '}') {
        do {
          var peek = this.peek;
          var value = peek.value;
          keys.push(typeof value === 'string' ? value : peek.text);

          this.advance();
          if (peek.key && (this.peek.text === ',' || this.peek.text === '}')) {
            --this.index;
            values.push(this.parseAccessOrCallScope());
          } else {
            this.expect(':');
            values.push(this.parseExpression());
          }
        } while (this.optional(','));
      }

      this.expect('}');

      return new LiteralObject(keys, values);
    };

    ParserImplementation.prototype.parseExpressionList = function parseExpressionList(terminator) {
      var result = [];

      if (this.peek.text !== terminator) {
        do {
          result.push(this.parseExpression());
        } while (this.optional(','));
      }

      return result;
    };

    ParserImplementation.prototype.optional = function optional(text) {
      if (this.peek.text === text) {
        this.advance();
        return true;
      }

      return false;
    };

    ParserImplementation.prototype.expect = function expect(text) {
      if (this.peek.text === text) {
        this.advance();
      } else {
        this.error('Missing expected ' + text);
      }
    };

    ParserImplementation.prototype.advance = function advance() {
      this.index++;
    };

    ParserImplementation.prototype.error = function error(message) {
      var location = this.index < this.tokens.length ? 'at column ' + (this.tokens[this.index].index + 1) + ' in' : 'at the end of the expression';

      throw new Error('Parser Error: ' + message + ' ' + location + ' [' + this.input + ']');
    };

    _createClass(ParserImplementation, [{
      key: 'peek',
      get: function get() {
        return this.index < this.tokens.length ? this.tokens[this.index] : EOF;
      }
    }]);

    return ParserImplementation;
  }();

  var mapProto = Map.prototype;

  function _getMapObserver(taskQueue, map) {
    return ModifyMapObserver.for(taskQueue, map);
  }

  exports.getMapObserver = _getMapObserver;

  var ModifyMapObserver = function (_ModifyCollectionObse2) {
    _inherits(ModifyMapObserver, _ModifyCollectionObse2);

    function ModifyMapObserver(taskQueue, map) {
      

      return _possibleConstructorReturn(this, _ModifyCollectionObse2.call(this, taskQueue, map));
    }

    ModifyMapObserver.for = function _for(taskQueue, map) {
      if (!('__map_observer__' in map)) {
        Reflect.defineProperty(map, '__map_observer__', {
          value: ModifyMapObserver.create(taskQueue, map),
          enumerable: false, configurable: false
        });
      }
      return map.__map_observer__;
    };

    ModifyMapObserver.create = function create(taskQueue, map) {
      var observer = new ModifyMapObserver(taskQueue, map);

      var proto = mapProto;
      if (proto.set !== map.set || proto.delete !== map.delete || proto.clear !== map.clear) {
        proto = {
          set: map.set,
          delete: map.delete,
          clear: map.clear
        };
      }

      map.set = function () {
        var hasValue = map.has(arguments[0]);
        var type = hasValue ? 'update' : 'add';
        var oldValue = map.get(arguments[0]);
        var methodCallResult = proto.set.apply(map, arguments);
        if (!hasValue || oldValue !== map.get(arguments[0])) {
          observer.addChangeRecord({
            type: type,
            object: map,
            key: arguments[0],
            oldValue: oldValue
          });
        }
        return methodCallResult;
      };

      map.delete = function () {
        var hasValue = map.has(arguments[0]);
        var oldValue = map.get(arguments[0]);
        var methodCallResult = proto.delete.apply(map, arguments);
        if (hasValue) {
          observer.addChangeRecord({
            type: 'delete',
            object: map,
            key: arguments[0],
            oldValue: oldValue
          });
        }
        return methodCallResult;
      };

      map.clear = function () {
        var methodCallResult = proto.clear.apply(map, arguments);
        observer.addChangeRecord({
          type: 'clear',
          object: map
        });
        return methodCallResult;
      };

      return observer;
    };

    return ModifyMapObserver;
  }(ModifyCollectionObserver);

  function findOriginalEventTarget(event) {
    return event.path && event.path[0] || event.deepPath && event.deepPath[0] || event.target;
  }

  function stopPropagation() {
    this.standardStopPropagation();
    this.propagationStopped = true;
  }

  function interceptStopPropagation(event) {
    event.standardStopPropagation = event.stopPropagation;
    event.stopPropagation = stopPropagation;
  }

  function handleCapturedEvent(event) {
    var interceptInstalled = false;
    event.propagationStopped = false;
    var target = findOriginalEventTarget(event);

    var orderedCallbacks = [];

    while (target) {
      if (target.capturedCallbacks) {
        var callback = target.capturedCallbacks[event.type];
        if (callback) {
          if (!interceptInstalled) {
            interceptStopPropagation(event);
            interceptInstalled = true;
          }
          orderedCallbacks.push(callback);
        }
      }
      target = target.parentNode;
    }
    for (var _i22 = orderedCallbacks.length - 1; _i22 >= 0; _i22--) {
      var orderedCallback = orderedCallbacks[_i22];
      if ('handleEvent' in orderedCallback) {
        orderedCallback.handleEvent(event);
      } else {
        orderedCallback(event);
      }
      if (event.propagationStopped) {
        break;
      }
    }
  }

  var CapturedHandlerEntry = function () {
    function CapturedHandlerEntry(eventName) {
      

      this.eventName = eventName;
      this.count = 0;
    }

    CapturedHandlerEntry.prototype.increment = function increment() {
      this.count++;

      if (this.count === 1) {
        _aureliaPal.DOM.addEventListener(this.eventName, handleCapturedEvent, true);
      }
    };

    CapturedHandlerEntry.prototype.decrement = function decrement() {
      this.count--;

      if (this.count === 0) {
        _aureliaPal.DOM.removeEventListener(this.eventName, handleCapturedEvent, true);
      }
    };

    return CapturedHandlerEntry;
  }();

  function handleDelegatedEvent(event) {
    var interceptInstalled = false;
    event.propagationStopped = false;
    var target = findOriginalEventTarget(event);

    while (target && !event.propagationStopped) {
      if (target.delegatedCallbacks) {
        var callback = target.delegatedCallbacks[event.type];
        if (callback) {
          if (!interceptInstalled) {
            interceptStopPropagation(event);
            interceptInstalled = true;
          }
          if ('handleEvent' in callback) {
            callback.handleEvent(event);
          } else {
            callback(event);
          }
        }
      }

      target = target.parentNode;
    }
  }

  var DelegateHandlerEntry = function () {
    function DelegateHandlerEntry(eventName) {
      

      this.eventName = eventName;
      this.count = 0;
    }

    DelegateHandlerEntry.prototype.increment = function increment() {
      this.count++;

      if (this.count === 1) {
        _aureliaPal.DOM.addEventListener(this.eventName, handleDelegatedEvent, false);
      }
    };

    DelegateHandlerEntry.prototype.decrement = function decrement() {
      this.count--;

      if (this.count === 0) {
        _aureliaPal.DOM.removeEventListener(this.eventName, handleDelegatedEvent);
      }
    };

    return DelegateHandlerEntry;
  }();

  var DefaultEventStrategy = function () {
    function DefaultEventStrategy() {
      

      this.delegatedHandlers = {};
      this.capturedHandlers = {};
    }

    DefaultEventStrategy.prototype.subscribe = function subscribe(target, targetEvent, callback, strategy) {
      var _this22 = this;

      var delegatedHandlers = void 0;
      var capturedHandlers = void 0;
      var handlerEntry = void 0;

      if (strategy === delegationStrategy.bubbling) {
        var _ret = function () {
          delegatedHandlers = _this22.delegatedHandlers;
          handlerEntry = delegatedHandlers[targetEvent] || (delegatedHandlers[targetEvent] = new DelegateHandlerEntry(targetEvent));
          var delegatedCallbacks = target.delegatedCallbacks || (target.delegatedCallbacks = {});

          handlerEntry.increment();
          delegatedCallbacks[targetEvent] = callback;

          return {
            v: function v() {
              handlerEntry.decrement();
              delegatedCallbacks[targetEvent] = null;
            }
          };
        }();

        if ((typeof _ret === 'undefined' ? 'undefined' : _typeof(_ret)) === "object") return _ret.v;
      }
      if (strategy === delegationStrategy.capturing) {
        var _ret2 = function () {
          capturedHandlers = _this22.capturedHandlers;
          handlerEntry = capturedHandlers[targetEvent] || (capturedHandlers[targetEvent] = new CapturedHandlerEntry(targetEvent));
          var capturedCallbacks = target.capturedCallbacks || (target.capturedCallbacks = {});

          handlerEntry.increment();
          capturedCallbacks[targetEvent] = callback;

          return {
            v: function v() {
              handlerEntry.decrement();
              capturedCallbacks[targetEvent] = null;
            }
          };
        }();

        if ((typeof _ret2 === 'undefined' ? 'undefined' : _typeof(_ret2)) === "object") return _ret2.v;
      }

      target.addEventListener(targetEvent, callback, false);

      return function () {
        target.removeEventListener(targetEvent, callback);
      };
    };

    return DefaultEventStrategy;
  }();

  var delegationStrategy = exports.delegationStrategy = {
    none: 0,
    capturing: 1,
    bubbling: 2
  };

  var EventManager = exports.EventManager = function () {
    function EventManager() {
      

      this.elementHandlerLookup = {};
      this.eventStrategyLookup = {};

      this.registerElementConfig({
        tagName: 'input',
        properties: {
          value: ['change', 'input'],
          checked: ['change', 'input'],
          files: ['change', 'input']
        }
      });

      this.registerElementConfig({
        tagName: 'textarea',
        properties: {
          value: ['change', 'input']
        }
      });

      this.registerElementConfig({
        tagName: 'select',
        properties: {
          value: ['change']
        }
      });

      this.registerElementConfig({
        tagName: 'content editable',
        properties: {
          value: ['change', 'input', 'blur', 'keyup', 'paste']
        }
      });

      this.registerElementConfig({
        tagName: 'scrollable element',
        properties: {
          scrollTop: ['scroll'],
          scrollLeft: ['scroll']
        }
      });

      this.defaultEventStrategy = new DefaultEventStrategy();
    }

    EventManager.prototype.registerElementConfig = function registerElementConfig(config) {
      var tagName = config.tagName.toLowerCase();
      var properties = config.properties;
      var propertyName = void 0;

      this.elementHandlerLookup[tagName] = {};

      for (propertyName in properties) {
        if (properties.hasOwnProperty(propertyName)) {
          this.registerElementPropertyConfig(tagName, propertyName, properties[propertyName]);
        }
      }
    };

    EventManager.prototype.registerElementPropertyConfig = function registerElementPropertyConfig(tagName, propertyName, events) {
      this.elementHandlerLookup[tagName][propertyName] = this.createElementHandler(events);
    };

    EventManager.prototype.createElementHandler = function createElementHandler(events) {
      return {
        subscribe: function subscribe(target, callbackOrListener) {
          events.forEach(function (changeEvent) {
            target.addEventListener(changeEvent, callbackOrListener, false);
          });

          return function () {
            events.forEach(function (changeEvent) {
              target.removeEventListener(changeEvent, callbackOrListener, false);
            });
          };
        }
      };
    };

    EventManager.prototype.registerElementHandler = function registerElementHandler(tagName, handler) {
      this.elementHandlerLookup[tagName.toLowerCase()] = handler;
    };

    EventManager.prototype.registerEventStrategy = function registerEventStrategy(eventName, strategy) {
      this.eventStrategyLookup[eventName] = strategy;
    };

    EventManager.prototype.getElementHandler = function getElementHandler(target, propertyName) {
      var tagName = void 0;
      var lookup = this.elementHandlerLookup;

      if (target.tagName) {
        tagName = target.tagName.toLowerCase();

        if (lookup[tagName] && lookup[tagName][propertyName]) {
          return lookup[tagName][propertyName];
        }

        if (propertyName === 'textContent' || propertyName === 'innerHTML') {
          return lookup['content editable'].value;
        }

        if (propertyName === 'scrollTop' || propertyName === 'scrollLeft') {
          return lookup['scrollable element'][propertyName];
        }
      }

      return null;
    };

    EventManager.prototype.addEventListener = function addEventListener(target, targetEvent, callbackOrListener, delegate) {
      return (this.eventStrategyLookup[targetEvent] || this.defaultEventStrategy).subscribe(target, targetEvent, callbackOrListener, delegate);
    };

    return EventManager;
  }();

  var DirtyChecker = exports.DirtyChecker = function () {
    function DirtyChecker() {
      

      this.tracked = [];
      this.checkDelay = 120;
    }

    DirtyChecker.prototype.addProperty = function addProperty(property) {
      var tracked = this.tracked;

      tracked.push(property);

      if (tracked.length === 1) {
        this.scheduleDirtyCheck();
      }
    };

    DirtyChecker.prototype.removeProperty = function removeProperty(property) {
      var tracked = this.tracked;
      tracked.splice(tracked.indexOf(property), 1);
    };

    DirtyChecker.prototype.scheduleDirtyCheck = function scheduleDirtyCheck() {
      var _this23 = this;

      setTimeout(function () {
        return _this23.check();
      }, this.checkDelay);
    };

    DirtyChecker.prototype.check = function check() {
      var tracked = this.tracked;
      var i = tracked.length;

      while (i--) {
        var current = tracked[i];

        if (current.isDirty()) {
          current.call();
        }
      }

      if (tracked.length) {
        this.scheduleDirtyCheck();
      }
    };

    return DirtyChecker;
  }();

  var DirtyCheckProperty = exports.DirtyCheckProperty = (_dec5 = subscriberCollection(), _dec5(_class5 = function () {
    function DirtyCheckProperty(dirtyChecker, obj, propertyName) {
      

      this.dirtyChecker = dirtyChecker;
      this.obj = obj;
      this.propertyName = propertyName;
    }

    DirtyCheckProperty.prototype.getValue = function getValue() {
      return this.obj[this.propertyName];
    };

    DirtyCheckProperty.prototype.setValue = function setValue(newValue) {
      this.obj[this.propertyName] = newValue;
    };

    DirtyCheckProperty.prototype.call = function call() {
      var oldValue = this.oldValue;
      var newValue = this.getValue();

      this.callSubscribers(newValue, oldValue);

      this.oldValue = newValue;
    };

    DirtyCheckProperty.prototype.isDirty = function isDirty() {
      return this.oldValue !== this.obj[this.propertyName];
    };

    DirtyCheckProperty.prototype.subscribe = function subscribe(context, callable) {
      if (!this.hasSubscribers()) {
        this.oldValue = this.getValue();
        this.dirtyChecker.addProperty(this);
      }
      this.addSubscriber(context, callable);
    };

    DirtyCheckProperty.prototype.unsubscribe = function unsubscribe(context, callable) {
      if (this.removeSubscriber(context, callable) && !this.hasSubscribers()) {
        this.dirtyChecker.removeProperty(this);
      }
    };

    return DirtyCheckProperty;
  }()) || _class5);


  var logger = LogManager.getLogger('property-observation');

  var propertyAccessor = exports.propertyAccessor = {
    getValue: function getValue(obj, propertyName) {
      return obj[propertyName];
    },
    setValue: function setValue(value, obj, propertyName) {
      obj[propertyName] = value;
    }
  };

  var PrimitiveObserver = exports.PrimitiveObserver = function () {
    function PrimitiveObserver(primitive, propertyName) {
      

      this.doNotCache = true;

      this.primitive = primitive;
      this.propertyName = propertyName;
    }

    PrimitiveObserver.prototype.getValue = function getValue() {
      return this.primitive[this.propertyName];
    };

    PrimitiveObserver.prototype.setValue = function setValue() {
      var type = _typeof(this.primitive);
      throw new Error('The ' + this.propertyName + ' property of a ' + type + ' (' + this.primitive + ') cannot be assigned.');
    };

    PrimitiveObserver.prototype.subscribe = function subscribe() {};

    PrimitiveObserver.prototype.unsubscribe = function unsubscribe() {};

    return PrimitiveObserver;
  }();

  var SetterObserver = exports.SetterObserver = (_dec6 = subscriberCollection(), _dec6(_class7 = function () {
    function SetterObserver(taskQueue, obj, propertyName) {
      

      this.taskQueue = taskQueue;
      this.obj = obj;
      this.propertyName = propertyName;
      this.queued = false;
      this.observing = false;
    }

    SetterObserver.prototype.getValue = function getValue() {
      return this.obj[this.propertyName];
    };

    SetterObserver.prototype.setValue = function setValue(newValue) {
      this.obj[this.propertyName] = newValue;
    };

    SetterObserver.prototype.getterValue = function getterValue() {
      return this.currentValue;
    };

    SetterObserver.prototype.setterValue = function setterValue(newValue) {
      var oldValue = this.currentValue;

      if (oldValue !== newValue) {
        if (!this.queued) {
          this.oldValue = oldValue;
          this.queued = true;
          this.taskQueue.queueMicroTask(this);
        }

        this.currentValue = newValue;
      }
    };

    SetterObserver.prototype.call = function call() {
      var oldValue = this.oldValue;
      var newValue = this.currentValue;

      this.queued = false;

      this.callSubscribers(newValue, oldValue);
    };

    SetterObserver.prototype.subscribe = function subscribe(context, callable) {
      if (!this.observing) {
        this.convertProperty();
      }
      this.addSubscriber(context, callable);
    };

    SetterObserver.prototype.unsubscribe = function unsubscribe(context, callable) {
      this.removeSubscriber(context, callable);
    };

    SetterObserver.prototype.convertProperty = function convertProperty() {
      this.observing = true;
      this.currentValue = this.obj[this.propertyName];
      this.setValue = this.setterValue;
      this.getValue = this.getterValue;

      if (!Reflect.defineProperty(this.obj, this.propertyName, {
        configurable: true,
        enumerable: this.propertyName in this.obj ? this.obj.propertyIsEnumerable(this.propertyName) : true,
        get: this.getValue.bind(this),
        set: this.setValue.bind(this)
      })) {
        logger.warn('Cannot observe property \'' + this.propertyName + '\' of object', this.obj);
      }
    };

    return SetterObserver;
  }()) || _class7);

  var XLinkAttributeObserver = exports.XLinkAttributeObserver = function () {
    function XLinkAttributeObserver(element, propertyName, attributeName) {
      

      this.element = element;
      this.propertyName = propertyName;
      this.attributeName = attributeName;
    }

    XLinkAttributeObserver.prototype.getValue = function getValue() {
      return this.element.getAttributeNS('http://www.w3.org/1999/xlink', this.attributeName);
    };

    XLinkAttributeObserver.prototype.setValue = function setValue(newValue) {
      return this.element.setAttributeNS('http://www.w3.org/1999/xlink', this.attributeName, newValue);
    };

    XLinkAttributeObserver.prototype.subscribe = function subscribe() {
      throw new Error('Observation of a "' + this.element.nodeName + '" element\'s "' + this.propertyName + '" property is not supported.');
    };

    return XLinkAttributeObserver;
  }();

  var dataAttributeAccessor = exports.dataAttributeAccessor = {
    getValue: function getValue(obj, propertyName) {
      return obj.getAttribute(propertyName);
    },
    setValue: function setValue(value, obj, propertyName) {
      if (value === null || value === undefined) {
        obj.removeAttribute(propertyName);
      } else {
        obj.setAttribute(propertyName, value);
      }
    }
  };

  var DataAttributeObserver = exports.DataAttributeObserver = function () {
    function DataAttributeObserver(element, propertyName) {
      

      this.element = element;
      this.propertyName = propertyName;
    }

    DataAttributeObserver.prototype.getValue = function getValue() {
      return this.element.getAttribute(this.propertyName);
    };

    DataAttributeObserver.prototype.setValue = function setValue(newValue) {
      if (newValue === null || newValue === undefined) {
        return this.element.removeAttribute(this.propertyName);
      }
      return this.element.setAttribute(this.propertyName, newValue);
    };

    DataAttributeObserver.prototype.subscribe = function subscribe() {
      throw new Error('Observation of a "' + this.element.nodeName + '" element\'s "' + this.propertyName + '" property is not supported.');
    };

    return DataAttributeObserver;
  }();

  var StyleObserver = exports.StyleObserver = function () {
    function StyleObserver(element, propertyName) {
      

      this.element = element;
      this.propertyName = propertyName;

      this.styles = null;
      this.version = 0;
    }

    StyleObserver.prototype.getValue = function getValue() {
      return this.element.style.cssText;
    };

    StyleObserver.prototype._setProperty = function _setProperty(style, value) {
      var priority = '';

      if (value !== null && value !== undefined && typeof value.indexOf === 'function' && value.indexOf('!important') !== -1) {
        priority = 'important';
        value = value.replace('!important', '');
      }
      this.element.style.setProperty(style, value, priority);
    };

    StyleObserver.prototype.setValue = function setValue(newValue) {
      var styles = this.styles || {};
      var style = void 0;
      var version = this.version;

      if (newValue !== null && newValue !== undefined) {
        if (newValue instanceof Object) {
          var value = void 0;
          for (style in newValue) {
            if (newValue.hasOwnProperty(style)) {
              value = newValue[style];
              style = style.replace(/([A-Z])/g, function (m) {
                return '-' + m.toLowerCase();
              });
              styles[style] = version;
              this._setProperty(style, value);
            }
          }
        } else if (newValue.length) {
          var rx = /\s*([\w\-]+)\s*:\s*((?:(?:[\w\-]+\(\s*(?:"(?:\\"|[^"])*"|'(?:\\'|[^'])*'|[\w\-]+\(\s*(?:^"(?:\\"|[^"])*"|'(?:\\'|[^'])*'|[^\)]*)\),?|[^\)]*)\),?|"(?:\\"|[^"])*"|'(?:\\'|[^'])*'|[^;]*),?\s*)+);?/g;
          var pair = void 0;
          while ((pair = rx.exec(newValue)) !== null) {
            style = pair[1];
            if (!style) {
              continue;
            }

            styles[style] = version;
            this._setProperty(style, pair[2]);
          }
        }
      }

      this.styles = styles;
      this.version += 1;

      if (version === 0) {
        return;
      }

      version -= 1;
      for (style in styles) {
        if (!styles.hasOwnProperty(style) || styles[style] !== version) {
          continue;
        }

        this.element.style.removeProperty(style);
      }
    };

    StyleObserver.prototype.subscribe = function subscribe() {
      throw new Error('Observation of a "' + this.element.nodeName + '" element\'s "' + this.propertyName + '" property is not supported.');
    };

    return StyleObserver;
  }();

  var ValueAttributeObserver = exports.ValueAttributeObserver = (_dec7 = subscriberCollection(), _dec7(_class8 = function () {
    function ValueAttributeObserver(element, propertyName, handler) {
      

      this.element = element;
      this.propertyName = propertyName;
      this.handler = handler;
      if (propertyName === 'files') {
        this.setValue = function () {};
      }
    }

    ValueAttributeObserver.prototype.getValue = function getValue() {
      return this.element[this.propertyName];
    };

    ValueAttributeObserver.prototype.setValue = function setValue(newValue) {
      newValue = newValue === undefined || newValue === null ? '' : newValue;
      if (this.element[this.propertyName] !== newValue) {
        this.element[this.propertyName] = newValue;
        this.notify();
      }
    };

    ValueAttributeObserver.prototype.notify = function notify() {
      var oldValue = this.oldValue;
      var newValue = this.getValue();

      this.callSubscribers(newValue, oldValue);

      this.oldValue = newValue;
    };

    ValueAttributeObserver.prototype.handleEvent = function handleEvent() {
      this.notify();
    };

    ValueAttributeObserver.prototype.subscribe = function subscribe(context, callable) {
      if (!this.hasSubscribers()) {
        this.oldValue = this.getValue();
        this.disposeHandler = this.handler.subscribe(this.element, this);
      }

      this.addSubscriber(context, callable);
    };

    ValueAttributeObserver.prototype.unsubscribe = function unsubscribe(context, callable) {
      if (this.removeSubscriber(context, callable) && !this.hasSubscribers()) {
        this.disposeHandler();
        this.disposeHandler = null;
      }
    };

    return ValueAttributeObserver;
  }()) || _class8);


  var checkedArrayContext = 'CheckedObserver:array';
  var checkedValueContext = 'CheckedObserver:value';

  var CheckedObserver = exports.CheckedObserver = (_dec8 = subscriberCollection(), _dec8(_class9 = function () {
    function CheckedObserver(element, handler, observerLocator) {
      

      this.element = element;
      this.handler = handler;
      this.observerLocator = observerLocator;
    }

    CheckedObserver.prototype.getValue = function getValue() {
      return this.value;
    };

    CheckedObserver.prototype.setValue = function setValue(newValue) {
      if (this.initialSync && this.value === newValue) {
        return;
      }

      if (this.arrayObserver) {
        this.arrayObserver.unsubscribe(checkedArrayContext, this);
        this.arrayObserver = null;
      }

      if (this.element.type === 'checkbox' && Array.isArray(newValue)) {
        this.arrayObserver = this.observerLocator.getArrayObserver(newValue);
        this.arrayObserver.subscribe(checkedArrayContext, this);
      }

      this.oldValue = this.value;
      this.value = newValue;
      this.synchronizeElement();
      this.notify();

      if (!this.initialSync) {
        this.initialSync = true;
        this.observerLocator.taskQueue.queueMicroTask(this);
      }
    };

    CheckedObserver.prototype.call = function call(context, splices) {
      this.synchronizeElement();

      if (!this.valueObserver) {
        this.valueObserver = this.element.__observers__.model || this.element.__observers__.value;
        if (this.valueObserver) {
          this.valueObserver.subscribe(checkedValueContext, this);
        }
      }
    };

    CheckedObserver.prototype.synchronizeElement = function synchronizeElement() {
      var value = this.value;
      var element = this.element;
      var elementValue = element.hasOwnProperty('model') ? element.model : element.value;
      var isRadio = element.type === 'radio';
      var matcher = element.matcher || function (a, b) {
        return a === b;
      };

      element.checked = isRadio && !!matcher(value, elementValue) || !isRadio && value === true || !isRadio && Array.isArray(value) && value.findIndex(function (item) {
        return !!matcher(item, elementValue);
      }) !== -1;
    };

    CheckedObserver.prototype.synchronizeValue = function synchronizeValue() {
      var value = this.value;
      var element = this.element;
      var elementValue = element.hasOwnProperty('model') ? element.model : element.value;
      var index = void 0;
      var matcher = element.matcher || function (a, b) {
        return a === b;
      };

      if (element.type === 'checkbox') {
        if (Array.isArray(value)) {
          index = value.findIndex(function (item) {
            return !!matcher(item, elementValue);
          });
          if (element.checked && index === -1) {
            value.push(elementValue);
          } else if (!element.checked && index !== -1) {
            value.splice(index, 1);
          }

          return;
        }

        value = element.checked;
      } else if (element.checked) {
        value = elementValue;
      } else {
        return;
      }

      this.oldValue = this.value;
      this.value = value;
      this.notify();
    };

    CheckedObserver.prototype.notify = function notify() {
      var oldValue = this.oldValue;
      var newValue = this.value;

      if (newValue === oldValue) {
        return;
      }

      this.callSubscribers(newValue, oldValue);
    };

    CheckedObserver.prototype.handleEvent = function handleEvent() {
      this.synchronizeValue();
    };

    CheckedObserver.prototype.subscribe = function subscribe(context, callable) {
      if (!this.hasSubscribers()) {
        this.disposeHandler = this.handler.subscribe(this.element, this);
      }
      this.addSubscriber(context, callable);
    };

    CheckedObserver.prototype.unsubscribe = function unsubscribe(context, callable) {
      if (this.removeSubscriber(context, callable) && !this.hasSubscribers()) {
        this.disposeHandler();
        this.disposeHandler = null;
      }
    };

    CheckedObserver.prototype.unbind = function unbind() {
      if (this.arrayObserver) {
        this.arrayObserver.unsubscribe(checkedArrayContext, this);
        this.arrayObserver = null;
      }
      if (this.valueObserver) {
        this.valueObserver.unsubscribe(checkedValueContext, this);
      }
    };

    return CheckedObserver;
  }()) || _class9);


  var selectArrayContext = 'SelectValueObserver:array';

  var SelectValueObserver = exports.SelectValueObserver = (_dec9 = subscriberCollection(), _dec9(_class10 = function () {
    function SelectValueObserver(element, handler, observerLocator) {
      

      this.element = element;
      this.handler = handler;
      this.observerLocator = observerLocator;
    }

    SelectValueObserver.prototype.getValue = function getValue() {
      return this.value;
    };

    SelectValueObserver.prototype.setValue = function setValue(newValue) {
      if (newValue !== null && newValue !== undefined && this.element.multiple && !Array.isArray(newValue)) {
        throw new Error('Only null or Array instances can be bound to a multi-select.');
      }
      if (this.value === newValue) {
        return;
      }

      if (this.arrayObserver) {
        this.arrayObserver.unsubscribe(selectArrayContext, this);
        this.arrayObserver = null;
      }

      if (Array.isArray(newValue)) {
        this.arrayObserver = this.observerLocator.getArrayObserver(newValue);
        this.arrayObserver.subscribe(selectArrayContext, this);
      }

      this.oldValue = this.value;
      this.value = newValue;
      this.synchronizeOptions();
      this.notify();

      if (!this.initialSync) {
        this.initialSync = true;
        this.observerLocator.taskQueue.queueMicroTask(this);
      }
    };

    SelectValueObserver.prototype.call = function call(context, splices) {
      this.synchronizeOptions();
    };

    SelectValueObserver.prototype.synchronizeOptions = function synchronizeOptions() {
      var value = this.value;
      var isArray = void 0;

      if (Array.isArray(value)) {
        isArray = true;
      }

      var options = this.element.options;
      var i = options.length;
      var matcher = this.element.matcher || function (a, b) {
        return a === b;
      };

      var _loop = function _loop() {
        var option = options.item(i);
        var optionValue = option.hasOwnProperty('model') ? option.model : option.value;
        if (isArray) {
          option.selected = value.findIndex(function (item) {
            return !!matcher(optionValue, item);
          }) !== -1;
          return 'continue';
        }
        option.selected = !!matcher(optionValue, value);
      };

      while (i--) {
        var _ret3 = _loop();

        if (_ret3 === 'continue') continue;
      }
    };

    SelectValueObserver.prototype.synchronizeValue = function synchronizeValue() {
      var _this24 = this;

      var options = this.element.options;
      var count = 0;
      var value = [];

      for (var _i23 = 0, ii = options.length; _i23 < ii; _i23++) {
        var _option = options.item(_i23);
        if (!_option.selected) {
          continue;
        }
        value.push(_option.hasOwnProperty('model') ? _option.model : _option.value);
        count++;
      }

      if (this.element.multiple) {
        if (Array.isArray(this.value)) {
          var _ret4 = function () {
            var matcher = _this24.element.matcher || function (a, b) {
              return a === b;
            };

            var i = 0;

            var _loop2 = function _loop2() {
              var a = _this24.value[i];
              if (value.findIndex(function (b) {
                return matcher(a, b);
              }) === -1) {
                _this24.value.splice(i, 1);
              } else {
                i++;
              }
            };

            while (i < _this24.value.length) {
              _loop2();
            }

            i = 0;

            var _loop3 = function _loop3() {
              var a = value[i];
              if (_this24.value.findIndex(function (b) {
                return matcher(a, b);
              }) === -1) {
                _this24.value.push(a);
              }
              i++;
            };

            while (i < value.length) {
              _loop3();
            }
            return {
              v: void 0
            };
          }();

          if ((typeof _ret4 === 'undefined' ? 'undefined' : _typeof(_ret4)) === "object") return _ret4.v;
        }
      } else {
        if (count === 0) {
          value = null;
        } else {
          value = value[0];
        }
      }

      if (value !== this.value) {
        this.oldValue = this.value;
        this.value = value;
        this.notify();
      }
    };

    SelectValueObserver.prototype.notify = function notify() {
      var oldValue = this.oldValue;
      var newValue = this.value;

      this.callSubscribers(newValue, oldValue);
    };

    SelectValueObserver.prototype.handleEvent = function handleEvent() {
      this.synchronizeValue();
    };

    SelectValueObserver.prototype.subscribe = function subscribe(context, callable) {
      if (!this.hasSubscribers()) {
        this.disposeHandler = this.handler.subscribe(this.element, this);
      }
      this.addSubscriber(context, callable);
    };

    SelectValueObserver.prototype.unsubscribe = function unsubscribe(context, callable) {
      if (this.removeSubscriber(context, callable) && !this.hasSubscribers()) {
        this.disposeHandler();
        this.disposeHandler = null;
      }
    };

    SelectValueObserver.prototype.bind = function bind() {
      var _this25 = this;

      this.domObserver = _aureliaPal.DOM.createMutationObserver(function () {
        _this25.synchronizeOptions();
        _this25.synchronizeValue();
      });
      this.domObserver.observe(this.element, { childList: true, subtree: true });
    };

    SelectValueObserver.prototype.unbind = function unbind() {
      this.domObserver.disconnect();
      this.domObserver = null;

      if (this.arrayObserver) {
        this.arrayObserver.unsubscribe(selectArrayContext, this);
        this.arrayObserver = null;
      }
    };

    return SelectValueObserver;
  }()) || _class10);

  var ClassObserver = exports.ClassObserver = function () {
    function ClassObserver(element) {
      

      this.element = element;
      this.doNotCache = true;
      this.value = '';
      this.version = 0;
    }

    ClassObserver.prototype.getValue = function getValue() {
      return this.value;
    };

    ClassObserver.prototype.setValue = function setValue(newValue) {
      var nameIndex = this.nameIndex || {};
      var version = this.version;
      var names = void 0;
      var name = void 0;

      if (newValue !== null && newValue !== undefined && newValue.length) {
        names = newValue.split(/\s+/);
        for (var _i24 = 0, length = names.length; _i24 < length; _i24++) {
          name = names[_i24];
          if (name === '') {
            continue;
          }
          nameIndex[name] = version;
          this.element.classList.add(name);
        }
      }

      this.value = newValue;
      this.nameIndex = nameIndex;
      this.version += 1;

      if (version === 0) {
        return;
      }

      version -= 1;
      for (name in nameIndex) {
        if (!nameIndex.hasOwnProperty(name) || nameIndex[name] !== version) {
          continue;
        }
        this.element.classList.remove(name);
      }
    };

    ClassObserver.prototype.subscribe = function subscribe() {
      throw new Error('Observation of a "' + this.element.nodeName + '" element\'s "class" property is not supported.');
    };

    return ClassObserver;
  }();

  function hasDeclaredDependencies(descriptor) {
    return !!(descriptor && descriptor.get && descriptor.get.dependencies);
  }

  function declarePropertyDependencies(ctor, propertyName, dependencies) {
    var descriptor = Object.getOwnPropertyDescriptor(ctor.prototype, propertyName);
    descriptor.get.dependencies = dependencies;
  }

  function computedFrom() {
    for (var _len = arguments.length, rest = Array(_len), _key = 0; _key < _len; _key++) {
      rest[_key] = arguments[_key];
    }

    return function (target, key, descriptor) {
      descriptor.get.dependencies = rest;
      return descriptor;
    };
  }

  var ComputedExpression = exports.ComputedExpression = function (_Expression19) {
    _inherits(ComputedExpression, _Expression19);

    function ComputedExpression(name, dependencies) {
      

      var _this26 = _possibleConstructorReturn(this, _Expression19.call(this));

      _this26.name = name;
      _this26.dependencies = dependencies;
      _this26.isAssignable = true;
      return _this26;
    }

    ComputedExpression.prototype.evaluate = function evaluate(scope, lookupFunctions) {
      return scope.bindingContext[this.name];
    };

    ComputedExpression.prototype.assign = function assign(scope, value) {
      scope.bindingContext[this.name] = value;
    };

    ComputedExpression.prototype.accept = function accept(visitor) {
      throw new Error('not implemented');
    };

    ComputedExpression.prototype.connect = function connect(binding, scope) {
      var dependencies = this.dependencies;
      var i = dependencies.length;
      while (i--) {
        dependencies[i].connect(binding, scope);
      }
    };

    return ComputedExpression;
  }(Expression);

  function createComputedObserver(obj, propertyName, descriptor, observerLocator) {
    var dependencies = descriptor.get.dependencies;
    if (!(dependencies instanceof ComputedExpression)) {
      var _i25 = dependencies.length;
      while (_i25--) {
        dependencies[_i25] = observerLocator.parser.parse(dependencies[_i25]);
      }
      dependencies = descriptor.get.dependencies = new ComputedExpression(propertyName, dependencies);
    }

    var scope = { bindingContext: obj, overrideContext: createOverrideContext(obj) };
    return new ExpressionObserver(scope, dependencies, observerLocator);
  }

  var svgElements = void 0;
  var svgPresentationElements = void 0;
  var svgPresentationAttributes = void 0;
  var svgAnalyzer = void 0;

  if (typeof FEATURE_NO_SVG === 'undefined') {
    (function () {
      svgElements = {
        a: ['class', 'externalResourcesRequired', 'id', 'onactivate', 'onclick', 'onfocusin', 'onfocusout', 'onload', 'onmousedown', 'onmousemove', 'onmouseout', 'onmouseover', 'onmouseup', 'requiredExtensions', 'requiredFeatures', 'style', 'systemLanguage', 'target', 'transform', 'xlink:actuate', 'xlink:arcrole', 'xlink:href', 'xlink:role', 'xlink:show', 'xlink:title', 'xlink:type', 'xml:base', 'xml:lang', 'xml:space'],
        altGlyph: ['class', 'dx', 'dy', 'externalResourcesRequired', 'format', 'glyphRef', 'id', 'onactivate', 'onclick', 'onfocusin', 'onfocusout', 'onload', 'onmousedown', 'onmousemove', 'onmouseout', 'onmouseover', 'onmouseup', 'requiredExtensions', 'requiredFeatures', 'rotate', 'style', 'systemLanguage', 'x', 'xlink:actuate', 'xlink:arcrole', 'xlink:href', 'xlink:role', 'xlink:show', 'xlink:title', 'xlink:type', 'xml:base', 'xml:lang', 'xml:space', 'y'],
        altGlyphDef: ['id', 'xml:base', 'xml:lang', 'xml:space'],
        altGlyphItem: ['id', 'xml:base', 'xml:lang', 'xml:space'],
        animate: ['accumulate', 'additive', 'attributeName', 'attributeType', 'begin', 'by', 'calcMode', 'dur', 'end', 'externalResourcesRequired', 'fill', 'from', 'id', 'keySplines', 'keyTimes', 'max', 'min', 'onbegin', 'onend', 'onload', 'onrepeat', 'repeatCount', 'repeatDur', 'requiredExtensions', 'requiredFeatures', 'restart', 'systemLanguage', 'to', 'values', 'xlink:actuate', 'xlink:arcrole', 'xlink:href', 'xlink:role', 'xlink:show', 'xlink:title', 'xlink:type', 'xml:base', 'xml:lang', 'xml:space'],
        animateColor: ['accumulate', 'additive', 'attributeName', 'attributeType', 'begin', 'by', 'calcMode', 'dur', 'end', 'externalResourcesRequired', 'fill', 'from', 'id', 'keySplines', 'keyTimes', 'max', 'min', 'onbegin', 'onend', 'onload', 'onrepeat', 'repeatCount', 'repeatDur', 'requiredExtensions', 'requiredFeatures', 'restart', 'systemLanguage', 'to', 'values', 'xlink:actuate', 'xlink:arcrole', 'xlink:href', 'xlink:role', 'xlink:show', 'xlink:title', 'xlink:type', 'xml:base', 'xml:lang', 'xml:space'],
        animateMotion: ['accumulate', 'additive', 'begin', 'by', 'calcMode', 'dur', 'end', 'externalResourcesRequired', 'fill', 'from', 'id', 'keyPoints', 'keySplines', 'keyTimes', 'max', 'min', 'onbegin', 'onend', 'onload', 'onrepeat', 'origin', 'path', 'repeatCount', 'repeatDur', 'requiredExtensions', 'requiredFeatures', 'restart', 'rotate', 'systemLanguage', 'to', 'values', 'xlink:actuate', 'xlink:arcrole', 'xlink:href', 'xlink:role', 'xlink:show', 'xlink:title', 'xlink:type', 'xml:base', 'xml:lang', 'xml:space'],
        animateTransform: ['accumulate', 'additive', 'attributeName', 'attributeType', 'begin', 'by', 'calcMode', 'dur', 'end', 'externalResourcesRequired', 'fill', 'from', 'id', 'keySplines', 'keyTimes', 'max', 'min', 'onbegin', 'onend', 'onload', 'onrepeat', 'repeatCount', 'repeatDur', 'requiredExtensions', 'requiredFeatures', 'restart', 'systemLanguage', 'to', 'type', 'values', 'xlink:actuate', 'xlink:arcrole', 'xlink:href', 'xlink:role', 'xlink:show', 'xlink:title', 'xlink:type', 'xml:base', 'xml:lang', 'xml:space'],
        circle: ['class', 'cx', 'cy', 'externalResourcesRequired', 'id', 'onactivate', 'onclick', 'onfocusin', 'onfocusout', 'onload', 'onmousedown', 'onmousemove', 'onmouseout', 'onmouseover', 'onmouseup', 'r', 'requiredExtensions', 'requiredFeatures', 'style', 'systemLanguage', 'transform', 'xml:base', 'xml:lang', 'xml:space'],
        clipPath: ['class', 'clipPathUnits', 'externalResourcesRequired', 'id', 'requiredExtensions', 'requiredFeatures', 'style', 'systemLanguage', 'transform', 'xml:base', 'xml:lang', 'xml:space'],
        'color-profile': ['id', 'local', 'name', 'rendering-intent', 'xlink:actuate', 'xlink:arcrole', 'xlink:href', 'xlink:role', 'xlink:show', 'xlink:title', 'xlink:type', 'xml:base', 'xml:lang', 'xml:space'],
        cursor: ['externalResourcesRequired', 'id', 'requiredExtensions', 'requiredFeatures', 'systemLanguage', 'x', 'xlink:actuate', 'xlink:arcrole', 'xlink:href', 'xlink:role', 'xlink:show', 'xlink:title', 'xlink:type', 'xml:base', 'xml:lang', 'xml:space', 'y'],
        defs: ['class', 'externalResourcesRequired', 'id', 'onactivate', 'onclick', 'onfocusin', 'onfocusout', 'onload', 'onmousedown', 'onmousemove', 'onmouseout', 'onmouseover', 'onmouseup', 'requiredExtensions', 'requiredFeatures', 'style', 'systemLanguage', 'transform', 'xml:base', 'xml:lang', 'xml:space'],
        desc: ['class', 'id', 'style', 'xml:base', 'xml:lang', 'xml:space'],
        ellipse: ['class', 'cx', 'cy', 'externalResourcesRequired', 'id', 'onactivate', 'onclick', 'onfocusin', 'onfocusout', 'onload', 'onmousedown', 'onmousemove', 'onmouseout', 'onmouseover', 'onmouseup', 'requiredExtensions', 'requiredFeatures', 'rx', 'ry', 'style', 'systemLanguage', 'transform', 'xml:base', 'xml:lang', 'xml:space'],
        feBlend: ['class', 'height', 'id', 'in', 'in2', 'mode', 'result', 'style', 'width', 'x', 'xml:base', 'xml:lang', 'xml:space', 'y'],
        feColorMatrix: ['class', 'height', 'id', 'in', 'result', 'style', 'type', 'values', 'width', 'x', 'xml:base', 'xml:lang', 'xml:space', 'y'],
        feComponentTransfer: ['class', 'height', 'id', 'in', 'result', 'style', 'width', 'x', 'xml:base', 'xml:lang', 'xml:space', 'y'],
        feComposite: ['class', 'height', 'id', 'in', 'in2', 'k1', 'k2', 'k3', 'k4', 'operator', 'result', 'style', 'width', 'x', 'xml:base', 'xml:lang', 'xml:space', 'y'],
        feConvolveMatrix: ['bias', 'class', 'divisor', 'edgeMode', 'height', 'id', 'in', 'kernelMatrix', 'kernelUnitLength', 'order', 'preserveAlpha', 'result', 'style', 'targetX', 'targetY', 'width', 'x', 'xml:base', 'xml:lang', 'xml:space', 'y'],
        feDiffuseLighting: ['class', 'diffuseConstant', 'height', 'id', 'in', 'kernelUnitLength', 'result', 'style', 'surfaceScale', 'width', 'x', 'xml:base', 'xml:lang', 'xml:space', 'y'],
        feDisplacementMap: ['class', 'height', 'id', 'in', 'in2', 'result', 'scale', 'style', 'width', 'x', 'xChannelSelector', 'xml:base', 'xml:lang', 'xml:space', 'y', 'yChannelSelector'],
        feDistantLight: ['azimuth', 'elevation', 'id', 'xml:base', 'xml:lang', 'xml:space'],
        feFlood: ['class', 'height', 'id', 'result', 'style', 'width', 'x', 'xml:base', 'xml:lang', 'xml:space', 'y'],
        feFuncA: ['amplitude', 'exponent', 'id', 'intercept', 'offset', 'slope', 'tableValues', 'type', 'xml:base', 'xml:lang', 'xml:space'],
        feFuncB: ['amplitude', 'exponent', 'id', 'intercept', 'offset', 'slope', 'tableValues', 'type', 'xml:base', 'xml:lang', 'xml:space'],
        feFuncG: ['amplitude', 'exponent', 'id', 'intercept', 'offset', 'slope', 'tableValues', 'type', 'xml:base', 'xml:lang', 'xml:space'],
        feFuncR: ['amplitude', 'exponent', 'id', 'intercept', 'offset', 'slope', 'tableValues', 'type', 'xml:base', 'xml:lang', 'xml:space'],
        feGaussianBlur: ['class', 'height', 'id', 'in', 'result', 'stdDeviation', 'style', 'width', 'x', 'xml:base', 'xml:lang', 'xml:space', 'y'],
        feImage: ['class', 'externalResourcesRequired', 'height', 'id', 'preserveAspectRatio', 'result', 'style', 'width', 'x', 'xlink:actuate', 'xlink:arcrole', 'xlink:href', 'xlink:role', 'xlink:show', 'xlink:title', 'xlink:type', 'xml:base', 'xml:lang', 'xml:space', 'y'],
        feMerge: ['class', 'height', 'id', 'result', 'style', 'width', 'x', 'xml:base', 'xml:lang', 'xml:space', 'y'],
        feMergeNode: ['id', 'xml:base', 'xml:lang', 'xml:space'],
        feMorphology: ['class', 'height', 'id', 'in', 'operator', 'radius', 'result', 'style', 'width', 'x', 'xml:base', 'xml:lang', 'xml:space', 'y'],
        feOffset: ['class', 'dx', 'dy', 'height', 'id', 'in', 'result', 'style', 'width', 'x', 'xml:base', 'xml:lang', 'xml:space', 'y'],
        fePointLight: ['id', 'x', 'xml:base', 'xml:lang', 'xml:space', 'y', 'z'],
        feSpecularLighting: ['class', 'height', 'id', 'in', 'kernelUnitLength', 'result', 'specularConstant', 'specularExponent', 'style', 'surfaceScale', 'width', 'x', 'xml:base', 'xml:lang', 'xml:space', 'y'],
        feSpotLight: ['id', 'limitingConeAngle', 'pointsAtX', 'pointsAtY', 'pointsAtZ', 'specularExponent', 'x', 'xml:base', 'xml:lang', 'xml:space', 'y', 'z'],
        feTile: ['class', 'height', 'id', 'in', 'result', 'style', 'width', 'x', 'xml:base', 'xml:lang', 'xml:space', 'y'],
        feTurbulence: ['baseFrequency', 'class', 'height', 'id', 'numOctaves', 'result', 'seed', 'stitchTiles', 'style', 'type', 'width', 'x', 'xml:base', 'xml:lang', 'xml:space', 'y'],
        filter: ['class', 'externalResourcesRequired', 'filterRes', 'filterUnits', 'height', 'id', 'primitiveUnits', 'style', 'width', 'x', 'xlink:actuate', 'xlink:arcrole', 'xlink:href', 'xlink:role', 'xlink:show', 'xlink:title', 'xlink:type', 'xml:base', 'xml:lang', 'xml:space', 'y'],
        font: ['class', 'externalResourcesRequired', 'horiz-adv-x', 'horiz-origin-x', 'horiz-origin-y', 'id', 'style', 'vert-adv-y', 'vert-origin-x', 'vert-origin-y', 'xml:base', 'xml:lang', 'xml:space'],
        'font-face': ['accent-height', 'alphabetic', 'ascent', 'bbox', 'cap-height', 'descent', 'font-family', 'font-size', 'font-stretch', 'font-style', 'font-variant', 'font-weight', 'hanging', 'id', 'ideographic', 'mathematical', 'overline-position', 'overline-thickness', 'panose-1', 'slope', 'stemh', 'stemv', 'strikethrough-position', 'strikethrough-thickness', 'underline-position', 'underline-thickness', 'unicode-range', 'units-per-em', 'v-alphabetic', 'v-hanging', 'v-ideographic', 'v-mathematical', 'widths', 'x-height', 'xml:base', 'xml:lang', 'xml:space'],
        'font-face-format': ['id', 'string', 'xml:base', 'xml:lang', 'xml:space'],
        'font-face-name': ['id', 'name', 'xml:base', 'xml:lang', 'xml:space'],
        'font-face-src': ['id', 'xml:base', 'xml:lang', 'xml:space'],
        'font-face-uri': ['id', 'xlink:actuate', 'xlink:arcrole', 'xlink:href', 'xlink:role', 'xlink:show', 'xlink:title', 'xlink:type', 'xml:base', 'xml:lang', 'xml:space'],
        foreignObject: ['class', 'externalResourcesRequired', 'height', 'id', 'onactivate', 'onclick', 'onfocusin', 'onfocusout', 'onload', 'onmousedown', 'onmousemove', 'onmouseout', 'onmouseover', 'onmouseup', 'requiredExtensions', 'requiredFeatures', 'style', 'systemLanguage', 'transform', 'width', 'x', 'xml:base', 'xml:lang', 'xml:space', 'y'],
        g: ['class', 'externalResourcesRequired', 'id', 'onactivate', 'onclick', 'onfocusin', 'onfocusout', 'onload', 'onmousedown', 'onmousemove', 'onmouseout', 'onmouseover', 'onmouseup', 'requiredExtensions', 'requiredFeatures', 'style', 'systemLanguage', 'transform', 'xml:base', 'xml:lang', 'xml:space'],
        glyph: ['arabic-form', 'class', 'd', 'glyph-name', 'horiz-adv-x', 'id', 'lang', 'orientation', 'style', 'unicode', 'vert-adv-y', 'vert-origin-x', 'vert-origin-y', 'xml:base', 'xml:lang', 'xml:space'],
        glyphRef: ['class', 'dx', 'dy', 'format', 'glyphRef', 'id', 'style', 'x', 'xlink:actuate', 'xlink:arcrole', 'xlink:href', 'xlink:role', 'xlink:show', 'xlink:title', 'xlink:type', 'xml:base', 'xml:lang', 'xml:space', 'y'],
        hkern: ['g1', 'g2', 'id', 'k', 'u1', 'u2', 'xml:base', 'xml:lang', 'xml:space'],
        image: ['class', 'externalResourcesRequired', 'height', 'id', 'onactivate', 'onclick', 'onfocusin', 'onfocusout', 'onload', 'onmousedown', 'onmousemove', 'onmouseout', 'onmouseover', 'onmouseup', 'preserveAspectRatio', 'requiredExtensions', 'requiredFeatures', 'style', 'systemLanguage', 'transform', 'width', 'x', 'xlink:actuate', 'xlink:arcrole', 'xlink:href', 'xlink:role', 'xlink:show', 'xlink:title', 'xlink:type', 'xml:base', 'xml:lang', 'xml:space', 'y'],
        line: ['class', 'externalResourcesRequired', 'id', 'onactivate', 'onclick', 'onfocusin', 'onfocusout', 'onload', 'onmousedown', 'onmousemove', 'onmouseout', 'onmouseover', 'onmouseup', 'requiredExtensions', 'requiredFeatures', 'style', 'systemLanguage', 'transform', 'x1', 'x2', 'xml:base', 'xml:lang', 'xml:space', 'y1', 'y2'],
        linearGradient: ['class', 'externalResourcesRequired', 'gradientTransform', 'gradientUnits', 'id', 'spreadMethod', 'style', 'x1', 'x2', 'xlink:arcrole', 'xlink:href', 'xlink:role', 'xlink:title', 'xlink:type', 'xml:base', 'xml:lang', 'xml:space', 'y1', 'y2'],
        marker: ['class', 'externalResourcesRequired', 'id', 'markerHeight', 'markerUnits', 'markerWidth', 'orient', 'preserveAspectRatio', 'refX', 'refY', 'style', 'viewBox', 'xml:base', 'xml:lang', 'xml:space'],
        mask: ['class', 'externalResourcesRequired', 'height', 'id', 'maskContentUnits', 'maskUnits', 'requiredExtensions', 'requiredFeatures', 'style', 'systemLanguage', 'width', 'x', 'xml:base', 'xml:lang', 'xml:space', 'y'],
        metadata: ['id', 'xml:base', 'xml:lang', 'xml:space'],
        'missing-glyph': ['class', 'd', 'horiz-adv-x', 'id', 'style', 'vert-adv-y', 'vert-origin-x', 'vert-origin-y', 'xml:base', 'xml:lang', 'xml:space'],
        mpath: ['externalResourcesRequired', 'id', 'xlink:actuate', 'xlink:arcrole', 'xlink:href', 'xlink:role', 'xlink:show', 'xlink:title', 'xlink:type', 'xml:base', 'xml:lang', 'xml:space'],
        path: ['class', 'd', 'externalResourcesRequired', 'id', 'onactivate', 'onclick', 'onfocusin', 'onfocusout', 'onload', 'onmousedown', 'onmousemove', 'onmouseout', 'onmouseover', 'onmouseup', 'pathLength', 'requiredExtensions', 'requiredFeatures', 'style', 'systemLanguage', 'transform', 'xml:base', 'xml:lang', 'xml:space'],
        pattern: ['class', 'externalResourcesRequired', 'height', 'id', 'patternContentUnits', 'patternTransform', 'patternUnits', 'preserveAspectRatio', 'requiredExtensions', 'requiredFeatures', 'style', 'systemLanguage', 'viewBox', 'width', 'x', 'xlink:actuate', 'xlink:arcrole', 'xlink:href', 'xlink:role', 'xlink:show', 'xlink:title', 'xlink:type', 'xml:base', 'xml:lang', 'xml:space', 'y'],
        polygon: ['class', 'externalResourcesRequired', 'id', 'onactivate', 'onclick', 'onfocusin', 'onfocusout', 'onload', 'onmousedown', 'onmousemove', 'onmouseout', 'onmouseover', 'onmouseup', 'points', 'requiredExtensions', 'requiredFeatures', 'style', 'systemLanguage', 'transform', 'xml:base', 'xml:lang', 'xml:space'],
        polyline: ['class', 'externalResourcesRequired', 'id', 'onactivate', 'onclick', 'onfocusin', 'onfocusout', 'onload', 'onmousedown', 'onmousemove', 'onmouseout', 'onmouseover', 'onmouseup', 'points', 'requiredExtensions', 'requiredFeatures', 'style', 'systemLanguage', 'transform', 'xml:base', 'xml:lang', 'xml:space'],
        radialGradient: ['class', 'cx', 'cy', 'externalResourcesRequired', 'fx', 'fy', 'gradientTransform', 'gradientUnits', 'id', 'r', 'spreadMethod', 'style', 'xlink:arcrole', 'xlink:href', 'xlink:role', 'xlink:title', 'xlink:type', 'xml:base', 'xml:lang', 'xml:space'],
        rect: ['class', 'externalResourcesRequired', 'height', 'id', 'onactivate', 'onclick', 'onfocusin', 'onfocusout', 'onload', 'onmousedown', 'onmousemove', 'onmouseout', 'onmouseover', 'onmouseup', 'requiredExtensions', 'requiredFeatures', 'rx', 'ry', 'style', 'systemLanguage', 'transform', 'width', 'x', 'xml:base', 'xml:lang', 'xml:space', 'y'],
        script: ['externalResourcesRequired', 'id', 'type', 'xlink:actuate', 'xlink:arcrole', 'xlink:href', 'xlink:role', 'xlink:show', 'xlink:title', 'xlink:type', 'xml:base', 'xml:lang', 'xml:space'],
        set: ['attributeName', 'attributeType', 'begin', 'dur', 'end', 'externalResourcesRequired', 'fill', 'id', 'max', 'min', 'onbegin', 'onend', 'onload', 'onrepeat', 'repeatCount', 'repeatDur', 'requiredExtensions', 'requiredFeatures', 'restart', 'systemLanguage', 'to', 'xlink:actuate', 'xlink:arcrole', 'xlink:href', 'xlink:role', 'xlink:show', 'xlink:title', 'xlink:type', 'xml:base', 'xml:lang', 'xml:space'],
        stop: ['class', 'id', 'offset', 'style', 'xml:base', 'xml:lang', 'xml:space'],
        style: ['id', 'media', 'title', 'type', 'xml:base', 'xml:lang', 'xml:space'],
        svg: ['baseProfile', 'class', 'contentScriptType', 'contentStyleType', 'externalResourcesRequired', 'height', 'id', 'onabort', 'onactivate', 'onclick', 'onerror', 'onfocusin', 'onfocusout', 'onload', 'onmousedown', 'onmousemove', 'onmouseout', 'onmouseover', 'onmouseup', 'onresize', 'onscroll', 'onunload', 'onzoom', 'preserveAspectRatio', 'requiredExtensions', 'requiredFeatures', 'style', 'systemLanguage', 'version', 'viewBox', 'width', 'x', 'xml:base', 'xml:lang', 'xml:space', 'y', 'zoomAndPan'],
        switch: ['class', 'externalResourcesRequired', 'id', 'onactivate', 'onclick', 'onfocusin', 'onfocusout', 'onload', 'onmousedown', 'onmousemove', 'onmouseout', 'onmouseover', 'onmouseup', 'requiredExtensions', 'requiredFeatures', 'style', 'systemLanguage', 'transform', 'xml:base', 'xml:lang', 'xml:space'],
        symbol: ['class', 'externalResourcesRequired', 'id', 'onactivate', 'onclick', 'onfocusin', 'onfocusout', 'onload', 'onmousedown', 'onmousemove', 'onmouseout', 'onmouseover', 'onmouseup', 'preserveAspectRatio', 'style', 'viewBox', 'xml:base', 'xml:lang', 'xml:space'],
        text: ['class', 'dx', 'dy', 'externalResourcesRequired', 'id', 'lengthAdjust', 'onactivate', 'onclick', 'onfocusin', 'onfocusout', 'onload', 'onmousedown', 'onmousemove', 'onmouseout', 'onmouseover', 'onmouseup', 'requiredExtensions', 'requiredFeatures', 'rotate', 'style', 'systemLanguage', 'textLength', 'transform', 'x', 'xml:base', 'xml:lang', 'xml:space', 'y'],
        textPath: ['class', 'externalResourcesRequired', 'id', 'lengthAdjust', 'method', 'onactivate', 'onclick', 'onfocusin', 'onfocusout', 'onload', 'onmousedown', 'onmousemove', 'onmouseout', 'onmouseover', 'onmouseup', 'requiredExtensions', 'requiredFeatures', 'spacing', 'startOffset', 'style', 'systemLanguage', 'textLength', 'xlink:arcrole', 'xlink:href', 'xlink:role', 'xlink:title', 'xlink:type', 'xml:base', 'xml:lang', 'xml:space'],
        title: ['class', 'id', 'style', 'xml:base', 'xml:lang', 'xml:space'],
        tref: ['class', 'dx', 'dy', 'externalResourcesRequired', 'id', 'lengthAdjust', 'onactivate', 'onclick', 'onfocusin', 'onfocusout', 'onload', 'onmousedown', 'onmousemove', 'onmouseout', 'onmouseover', 'onmouseup', 'requiredExtensions', 'requiredFeatures', 'rotate', 'style', 'systemLanguage', 'textLength', 'x', 'xlink:arcrole', 'xlink:href', 'xlink:role', 'xlink:title', 'xlink:type', 'xml:base', 'xml:lang', 'xml:space', 'y'],
        tspan: ['class', 'dx', 'dy', 'externalResourcesRequired', 'id', 'lengthAdjust', 'onactivate', 'onclick', 'onfocusin', 'onfocusout', 'onload', 'onmousedown', 'onmousemove', 'onmouseout', 'onmouseover', 'onmouseup', 'requiredExtensions', 'requiredFeatures', 'rotate', 'style', 'systemLanguage', 'textLength', 'x', 'xml:base', 'xml:lang', 'xml:space', 'y'],
        use: ['class', 'externalResourcesRequired', 'height', 'id', 'onactivate', 'onclick', 'onfocusin', 'onfocusout', 'onload', 'onmousedown', 'onmousemove', 'onmouseout', 'onmouseover', 'onmouseup', 'requiredExtensions', 'requiredFeatures', 'style', 'systemLanguage', 'transform', 'width', 'x', 'xlink:actuate', 'xlink:arcrole', 'xlink:href', 'xlink:role', 'xlink:show', 'xlink:title', 'xlink:type', 'xml:base', 'xml:lang', 'xml:space', 'y'],
        view: ['externalResourcesRequired', 'id', 'preserveAspectRatio', 'viewBox', 'viewTarget', 'xml:base', 'xml:lang', 'xml:space', 'zoomAndPan'],
        vkern: ['g1', 'g2', 'id', 'k', 'u1', 'u2', 'xml:base', 'xml:lang', 'xml:space']
      };


      svgPresentationElements = {
        'a': true,
        'altGlyph': true,
        'animate': true,
        'animateColor': true,
        'circle': true,
        'clipPath': true,
        'defs': true,
        'ellipse': true,
        'feBlend': true,
        'feColorMatrix': true,
        'feComponentTransfer': true,
        'feComposite': true,
        'feConvolveMatrix': true,
        'feDiffuseLighting': true,
        'feDisplacementMap': true,
        'feFlood': true,
        'feGaussianBlur': true,
        'feImage': true,
        'feMerge': true,
        'feMorphology': true,
        'feOffset': true,
        'feSpecularLighting': true,
        'feTile': true,
        'feTurbulence': true,
        'filter': true,
        'font': true,
        'foreignObject': true,
        'g': true,
        'glyph': true,
        'glyphRef': true,
        'image': true,
        'line': true,
        'linearGradient': true,
        'marker': true,
        'mask': true,
        'missing-glyph': true,
        'path': true,
        'pattern': true,
        'polygon': true,
        'polyline': true,
        'radialGradient': true,
        'rect': true,
        'stop': true,
        'svg': true,
        'switch': true,
        'symbol': true,
        'text': true,
        'textPath': true,
        'tref': true,
        'tspan': true,
        'use': true
      };

      svgPresentationAttributes = {
        'alignment-baseline': true,
        'baseline-shift': true,
        'clip-path': true,
        'clip-rule': true,
        'clip': true,
        'color-interpolation-filters': true,
        'color-interpolation': true,
        'color-profile': true,
        'color-rendering': true,
        'color': true,
        'cursor': true,
        'direction': true,
        'display': true,
        'dominant-baseline': true,
        'enable-background': true,
        'fill-opacity': true,
        'fill-rule': true,
        'fill': true,
        'filter': true,
        'flood-color': true,
        'flood-opacity': true,
        'font-family': true,
        'font-size-adjust': true,
        'font-size': true,
        'font-stretch': true,
        'font-style': true,
        'font-variant': true,
        'font-weight': true,
        'glyph-orientation-horizontal': true,
        'glyph-orientation-vertical': true,
        'image-rendering': true,
        'kerning': true,
        'letter-spacing': true,
        'lighting-color': true,
        'marker-end': true,
        'marker-mid': true,
        'marker-start': true,
        'mask': true,
        'opacity': true,
        'overflow': true,
        'pointer-events': true,
        'shape-rendering': true,
        'stop-color': true,
        'stop-opacity': true,
        'stroke-dasharray': true,
        'stroke-dashoffset': true,
        'stroke-linecap': true,
        'stroke-linejoin': true,
        'stroke-miterlimit': true,
        'stroke-opacity': true,
        'stroke-width': true,
        'stroke': true,
        'text-anchor': true,
        'text-decoration': true,
        'text-rendering': true,
        'unicode-bidi': true,
        'visibility': true,
        'word-spacing': true,
        'writing-mode': true
      };

      var createElement = function createElement(html) {
        var div = _aureliaPal.DOM.createElement('div');
        div.innerHTML = html;
        return div.firstChild;
      };

      svgAnalyzer = function () {
        function SVGAnalyzer() {
          

          if (createElement('<svg><altGlyph /></svg>').firstElementChild.nodeName === 'altglyph' && elements.altGlyph) {
            elements.altglyph = elements.altGlyph;
            delete elements.altGlyph;
            elements.altglyphdef = elements.altGlyphDef;
            delete elements.altGlyphDef;
            elements.altglyphitem = elements.altGlyphItem;
            delete elements.altGlyphItem;
            elements.glyphref = elements.glyphRef;
            delete elements.glyphRef;
          }
        }

        SVGAnalyzer.prototype.isStandardSvgAttribute = function isStandardSvgAttribute(nodeName, attributeName) {
          return presentationElements[nodeName] && presentationAttributes[attributeName] || elements[nodeName] && elements[nodeName].indexOf(attributeName) !== -1;
        };

        return SVGAnalyzer;
      }();
    })();
  }

  var elements = exports.elements = svgElements;
  var presentationElements = exports.presentationElements = svgPresentationElements;
  var presentationAttributes = exports.presentationAttributes = svgPresentationAttributes;
  var SVGAnalyzer = exports.SVGAnalyzer = svgAnalyzer || function () {
    function _class11() {
      
    }

    _class11.prototype.isStandardSvgAttribute = function isStandardSvgAttribute() {
      return false;
    };

    return _class11;
  }();

  var ObserverLocator = exports.ObserverLocator = (_temp = _class12 = function () {
    function ObserverLocator(taskQueue, eventManager, dirtyChecker, svgAnalyzer, parser) {
      

      this.taskQueue = taskQueue;
      this.eventManager = eventManager;
      this.dirtyChecker = dirtyChecker;
      this.svgAnalyzer = svgAnalyzer;
      this.parser = parser;
      this.adapters = [];
      this.logger = LogManager.getLogger('observer-locator');
    }

    ObserverLocator.prototype.getObserver = function getObserver(obj, propertyName) {
      var observersLookup = obj.__observers__;
      var observer = void 0;

      if (observersLookup && propertyName in observersLookup) {
        return observersLookup[propertyName];
      }

      observer = this.createPropertyObserver(obj, propertyName);

      if (!observer.doNotCache) {
        if (observersLookup === undefined) {
          observersLookup = this.getOrCreateObserversLookup(obj);
        }

        observersLookup[propertyName] = observer;
      }

      return observer;
    };

    ObserverLocator.prototype.getOrCreateObserversLookup = function getOrCreateObserversLookup(obj) {
      return obj.__observers__ || this.createObserversLookup(obj);
    };

    ObserverLocator.prototype.createObserversLookup = function createObserversLookup(obj) {
      var value = {};

      if (!Reflect.defineProperty(obj, '__observers__', {
        enumerable: false,
        configurable: false,
        writable: false,
        value: value
      })) {
        this.logger.warn('Cannot add observers to object', obj);
      }

      return value;
    };

    ObserverLocator.prototype.addAdapter = function addAdapter(adapter) {
      this.adapters.push(adapter);
    };

    ObserverLocator.prototype.getAdapterObserver = function getAdapterObserver(obj, propertyName, descriptor) {
      for (var _i26 = 0, ii = this.adapters.length; _i26 < ii; _i26++) {
        var adapter = this.adapters[_i26];
        var observer = adapter.getObserver(obj, propertyName, descriptor);
        if (observer) {
          return observer;
        }
      }
      return null;
    };

    ObserverLocator.prototype.createPropertyObserver = function createPropertyObserver(obj, propertyName) {
      var descriptor = void 0;
      var handler = void 0;
      var xlinkResult = void 0;

      if (!(obj instanceof Object)) {
        return new PrimitiveObserver(obj, propertyName);
      }

      if (obj instanceof _aureliaPal.DOM.Element) {
        if (propertyName === 'class') {
          return new ClassObserver(obj);
        }
        if (propertyName === 'style' || propertyName === 'css') {
          return new StyleObserver(obj, propertyName);
        }
        handler = this.eventManager.getElementHandler(obj, propertyName);
        if (propertyName === 'value' && obj.tagName.toLowerCase() === 'select') {
          return new SelectValueObserver(obj, handler, this);
        }
        if (propertyName === 'checked' && obj.tagName.toLowerCase() === 'input') {
          return new CheckedObserver(obj, handler, this);
        }
        if (handler) {
          return new ValueAttributeObserver(obj, propertyName, handler);
        }
        xlinkResult = /^xlink:(.+)$/.exec(propertyName);
        if (xlinkResult) {
          return new XLinkAttributeObserver(obj, propertyName, xlinkResult[1]);
        }
        if (propertyName === 'role' && (obj instanceof _aureliaPal.DOM.Element || obj instanceof _aureliaPal.DOM.SVGElement) || /^\w+:|^data-|^aria-/.test(propertyName) || obj instanceof _aureliaPal.DOM.SVGElement && this.svgAnalyzer.isStandardSvgAttribute(obj.nodeName, propertyName)) {
          return new DataAttributeObserver(obj, propertyName);
        }
      }

      descriptor = Object.getPropertyDescriptor(obj, propertyName);

      if (hasDeclaredDependencies(descriptor)) {
        return createComputedObserver(obj, propertyName, descriptor, this);
      }

      if (descriptor) {
        var existingGetterOrSetter = descriptor.get || descriptor.set;
        if (existingGetterOrSetter) {
          if (existingGetterOrSetter.getObserver) {
            return existingGetterOrSetter.getObserver(obj);
          }

          var adapterObserver = this.getAdapterObserver(obj, propertyName, descriptor);
          if (adapterObserver) {
            return adapterObserver;
          }
          return new DirtyCheckProperty(this.dirtyChecker, obj, propertyName);
        }
      }

      if (obj instanceof Array) {
        if (propertyName === 'length') {
          return this.getArrayObserver(obj).getLengthObserver();
        }

        return new DirtyCheckProperty(this.dirtyChecker, obj, propertyName);
      } else if (obj instanceof Map) {
        if (propertyName === 'size') {
          return this.getMapObserver(obj).getLengthObserver();
        }

        return new DirtyCheckProperty(this.dirtyChecker, obj, propertyName);
      } else if (obj instanceof Set) {
        if (propertyName === 'size') {
          return this.getSetObserver(obj).getLengthObserver();
        }

        return new DirtyCheckProperty(this.dirtyChecker, obj, propertyName);
      }

      return new SetterObserver(this.taskQueue, obj, propertyName);
    };

    ObserverLocator.prototype.getAccessor = function getAccessor(obj, propertyName) {
      if (obj instanceof _aureliaPal.DOM.Element) {
        if (propertyName === 'class' || propertyName === 'style' || propertyName === 'css' || propertyName === 'value' && (obj.tagName.toLowerCase() === 'input' || obj.tagName.toLowerCase() === 'select') || propertyName === 'checked' && obj.tagName.toLowerCase() === 'input' || propertyName === 'model' && obj.tagName.toLowerCase() === 'input' || /^xlink:.+$/.exec(propertyName)) {
          return this.getObserver(obj, propertyName);
        }
        if (/^\w+:|^data-|^aria-/.test(propertyName) || obj instanceof _aureliaPal.DOM.SVGElement && this.svgAnalyzer.isStandardSvgAttribute(obj.nodeName, propertyName) || obj.tagName.toLowerCase() === 'img' && propertyName === 'src' || obj.tagName.toLowerCase() === 'a' && propertyName === 'href') {
          return dataAttributeAccessor;
        }
      }
      return propertyAccessor;
    };

    ObserverLocator.prototype.getArrayObserver = function getArrayObserver(array) {
      return _getArrayObserver(this.taskQueue, array);
    };

    ObserverLocator.prototype.getMapObserver = function getMapObserver(map) {
      return _getMapObserver(this.taskQueue, map);
    };

    ObserverLocator.prototype.getSetObserver = function getSetObserver(set) {
      return _getSetObserver(this.taskQueue, set);
    };

    return ObserverLocator;
  }(), _class12.inject = [_aureliaTaskQueue.TaskQueue, EventManager, DirtyChecker, SVGAnalyzer, Parser], _temp);

  var ObjectObservationAdapter = exports.ObjectObservationAdapter = function () {
    function ObjectObservationAdapter() {
      
    }

    ObjectObservationAdapter.prototype.getObserver = function getObserver(object, propertyName, descriptor) {
      throw new Error('BindingAdapters must implement getObserver(object, propertyName).');
    };

    return ObjectObservationAdapter;
  }();

  var BindingExpression = exports.BindingExpression = function () {
    function BindingExpression(observerLocator, targetProperty, sourceExpression, mode, lookupFunctions, attribute) {
      

      this.observerLocator = observerLocator;
      this.targetProperty = targetProperty;
      this.sourceExpression = sourceExpression;
      this.mode = mode;
      this.lookupFunctions = lookupFunctions;
      this.attribute = attribute;
      this.discrete = false;
    }

    BindingExpression.prototype.createBinding = function createBinding(target) {
      return new Binding(this.observerLocator, this.sourceExpression, target, this.targetProperty, this.mode, this.lookupFunctions);
    };

    return BindingExpression;
  }();

  var Binding = exports.Binding = (_dec10 = connectable(), _dec10(_class13 = function () {
    function Binding(observerLocator, sourceExpression, target, targetProperty, mode, lookupFunctions) {
      

      this.observerLocator = observerLocator;
      this.sourceExpression = sourceExpression;
      this.target = target;
      this.targetProperty = targetProperty;
      this.mode = mode;
      this.lookupFunctions = lookupFunctions;
    }

    Binding.prototype.updateTarget = function updateTarget(value) {
      this.targetObserver.setValue(value, this.target, this.targetProperty);
    };

    Binding.prototype.updateSource = function updateSource(value) {
      this.sourceExpression.assign(this.source, value, this.lookupFunctions);
    };

    Binding.prototype.call = function call(context, newValue, oldValue) {
      if (!this.isBound) {
        return;
      }
      if (context === sourceContext) {
        oldValue = this.targetObserver.getValue(this.target, this.targetProperty);
        newValue = this.sourceExpression.evaluate(this.source, this.lookupFunctions);
        if (newValue !== oldValue) {
          this.updateTarget(newValue);
        }
        if (this.mode !== bindingMode.oneTime) {
          this._version++;
          this.sourceExpression.connect(this, this.source);
          this.unobserve(false);
        }
        return;
      }
      if (context === targetContext) {
        if (newValue !== this.sourceExpression.evaluate(this.source, this.lookupFunctions)) {
          this.updateSource(newValue);
        }
        return;
      }
      throw new Error('Unexpected call context ' + context);
    };

    Binding.prototype.bind = function bind(source) {
      if (this.isBound) {
        if (this.source === source) {
          return;
        }
        this.unbind();
      }
      this.isBound = true;
      this.source = source;

      if (this.sourceExpression.bind) {
        this.sourceExpression.bind(this, source, this.lookupFunctions);
      }

      var mode = this.mode;
      if (!this.targetObserver) {
        var method = mode === bindingMode.twoWay || mode === bindingMode.fromView ? 'getObserver' : 'getAccessor';
        this.targetObserver = this.observerLocator[method](this.target, this.targetProperty);
      }

      if ('bind' in this.targetObserver) {
        this.targetObserver.bind();
      }
      if (this.mode !== bindingMode.fromView) {
        var value = this.sourceExpression.evaluate(source, this.lookupFunctions);
        this.updateTarget(value);
      }

      if (mode === bindingMode.oneTime) {
        return;
      } else if (mode === bindingMode.toView) {
        enqueueBindingConnect(this);
      } else if (mode === bindingMode.twoWay) {
        this.sourceExpression.connect(this, source);
        this.targetObserver.subscribe(targetContext, this);
      } else if (mode === bindingMode.fromView) {
        this.targetObserver.subscribe(targetContext, this);
      }
    };

    Binding.prototype.unbind = function unbind() {
      if (!this.isBound) {
        return;
      }
      this.isBound = false;
      if (this.sourceExpression.unbind) {
        this.sourceExpression.unbind(this, this.source);
      }
      this.source = null;
      if ('unbind' in this.targetObserver) {
        this.targetObserver.unbind();
      }
      if (this.targetObserver.unsubscribe) {
        this.targetObserver.unsubscribe(targetContext, this);
      }
      this.unobserve(true);
    };

    Binding.prototype.connect = function connect(evaluate) {
      if (!this.isBound) {
        return;
      }
      if (evaluate) {
        var value = this.sourceExpression.evaluate(this.source, this.lookupFunctions);
        this.updateTarget(value);
      }
      this.sourceExpression.connect(this, this.source);
    };

    return Binding;
  }()) || _class13);

  var CallExpression = exports.CallExpression = function () {
    function CallExpression(observerLocator, targetProperty, sourceExpression, lookupFunctions) {
      

      this.observerLocator = observerLocator;
      this.targetProperty = targetProperty;
      this.sourceExpression = sourceExpression;
      this.lookupFunctions = lookupFunctions;
    }

    CallExpression.prototype.createBinding = function createBinding(target) {
      return new Call(this.observerLocator, this.sourceExpression, target, this.targetProperty, this.lookupFunctions);
    };

    return CallExpression;
  }();

  var Call = exports.Call = function () {
    function Call(observerLocator, sourceExpression, target, targetProperty, lookupFunctions) {
      

      this.sourceExpression = sourceExpression;
      this.target = target;
      this.targetProperty = observerLocator.getObserver(target, targetProperty);
      this.lookupFunctions = lookupFunctions;
    }

    Call.prototype.callSource = function callSource($event) {
      var overrideContext = this.source.overrideContext;
      Object.assign(overrideContext, $event);
      overrideContext.$event = $event;
      var mustEvaluate = true;
      var result = this.sourceExpression.evaluate(this.source, this.lookupFunctions, mustEvaluate);
      delete overrideContext.$event;
      for (var prop in $event) {
        delete overrideContext[prop];
      }
      return result;
    };

    Call.prototype.bind = function bind(source) {
      var _this27 = this;

      if (this.isBound) {
        if (this.source === source) {
          return;
        }
        this.unbind();
      }
      this.isBound = true;
      this.source = source;

      if (this.sourceExpression.bind) {
        this.sourceExpression.bind(this, source, this.lookupFunctions);
      }
      this.targetProperty.setValue(function ($event) {
        return _this27.callSource($event);
      });
    };

    Call.prototype.unbind = function unbind() {
      if (!this.isBound) {
        return;
      }
      this.isBound = false;
      if (this.sourceExpression.unbind) {
        this.sourceExpression.unbind(this, this.source);
      }
      this.source = null;
      this.targetProperty.setValue(null);
    };

    return Call;
  }();

  var ValueConverterResource = exports.ValueConverterResource = function () {
    function ValueConverterResource(name) {
      

      this.name = name;
    }

    ValueConverterResource.convention = function convention(name) {
      if (name.endsWith('ValueConverter')) {
        return new ValueConverterResource(camelCase(name.substring(0, name.length - 14)));
      }
    };

    ValueConverterResource.prototype.initialize = function initialize(container, target) {
      this.instance = container.get(target);
    };

    ValueConverterResource.prototype.register = function register(registry, name) {
      registry.registerValueConverter(name || this.name, this.instance);
    };

    ValueConverterResource.prototype.load = function load(container, target) {};

    return ValueConverterResource;
  }();

  function valueConverter(nameOrTarget) {
    if (nameOrTarget === undefined || typeof nameOrTarget === 'string') {
      return function (target) {
        _aureliaMetadata.metadata.define(_aureliaMetadata.metadata.resource, new ValueConverterResource(nameOrTarget), target);
      };
    }

    _aureliaMetadata.metadata.define(_aureliaMetadata.metadata.resource, new ValueConverterResource(), nameOrTarget);
  }

  var BindingBehaviorResource = exports.BindingBehaviorResource = function () {
    function BindingBehaviorResource(name) {
      

      this.name = name;
    }

    BindingBehaviorResource.convention = function convention(name) {
      if (name.endsWith('BindingBehavior')) {
        return new BindingBehaviorResource(camelCase(name.substring(0, name.length - 15)));
      }
    };

    BindingBehaviorResource.prototype.initialize = function initialize(container, target) {
      this.instance = container.get(target);
    };

    BindingBehaviorResource.prototype.register = function register(registry, name) {
      registry.registerBindingBehavior(name || this.name, this.instance);
    };

    BindingBehaviorResource.prototype.load = function load(container, target) {};

    return BindingBehaviorResource;
  }();

  function bindingBehavior(nameOrTarget) {
    if (nameOrTarget === undefined || typeof nameOrTarget === 'string') {
      return function (target) {
        _aureliaMetadata.metadata.define(_aureliaMetadata.metadata.resource, new BindingBehaviorResource(nameOrTarget), target);
      };
    }

    _aureliaMetadata.metadata.define(_aureliaMetadata.metadata.resource, new BindingBehaviorResource(), nameOrTarget);
  }

  var ListenerExpression = exports.ListenerExpression = function () {
    function ListenerExpression(eventManager, targetEvent, sourceExpression, delegationStrategy, preventDefault, lookupFunctions) {
      

      this.eventManager = eventManager;
      this.targetEvent = targetEvent;
      this.sourceExpression = sourceExpression;
      this.delegationStrategy = delegationStrategy;
      this.discrete = true;
      this.preventDefault = preventDefault;
      this.lookupFunctions = lookupFunctions;
    }

    ListenerExpression.prototype.createBinding = function createBinding(target) {
      return new Listener(this.eventManager, this.targetEvent, this.delegationStrategy, this.sourceExpression, target, this.preventDefault, this.lookupFunctions);
    };

    return ListenerExpression;
  }();

  var Listener = exports.Listener = function () {
    function Listener(eventManager, targetEvent, delegationStrategy, sourceExpression, target, preventDefault, lookupFunctions) {
      

      this.eventManager = eventManager;
      this.targetEvent = targetEvent;
      this.delegationStrategy = delegationStrategy;
      this.sourceExpression = sourceExpression;
      this.target = target;
      this.preventDefault = preventDefault;
      this.lookupFunctions = lookupFunctions;
    }

    Listener.prototype.callSource = function callSource(event) {
      var overrideContext = this.source.overrideContext;
      overrideContext.$event = event;
      var mustEvaluate = true;
      var result = this.sourceExpression.evaluate(this.source, this.lookupFunctions, mustEvaluate);
      delete overrideContext.$event;
      if (result !== true && this.preventDefault) {
        event.preventDefault();
      }
      return result;
    };

    Listener.prototype.handleEvent = function handleEvent(event) {
      this.callSource(event);
    };

    Listener.prototype.bind = function bind(source) {
      if (this.isBound) {
        if (this.source === source) {
          return;
        }
        this.unbind();
      }
      this.isBound = true;
      this.source = source;

      if (this.sourceExpression.bind) {
        this.sourceExpression.bind(this, source, this.lookupFunctions);
      }
      this._disposeListener = this.eventManager.addEventListener(this.target, this.targetEvent, this, this.delegationStrategy);
    };

    Listener.prototype.unbind = function unbind() {
      if (!this.isBound) {
        return;
      }
      this.isBound = false;
      if (this.sourceExpression.unbind) {
        this.sourceExpression.unbind(this, this.source);
      }
      this.source = null;
      this._disposeListener();
      this._disposeListener = null;
    };

    return Listener;
  }();

  function getAU(element) {
    var au = element.au;

    if (au === undefined) {
      throw new Error('No Aurelia APIs are defined for the element: "' + element.tagName + '".');
    }

    return au;
  }

  var NameExpression = exports.NameExpression = function () {
    function NameExpression(sourceExpression, apiName, lookupFunctions) {
      

      this.sourceExpression = sourceExpression;
      this.apiName = apiName;
      this.lookupFunctions = lookupFunctions;
      this.discrete = true;
    }

    NameExpression.prototype.createBinding = function createBinding(target) {
      return new NameBinder(this.sourceExpression, NameExpression.locateAPI(target, this.apiName), this.lookupFunctions);
    };

    NameExpression.locateAPI = function locateAPI(element, apiName) {
      switch (apiName) {
        case 'element':
          return element;
        case 'controller':
          return getAU(element).controller;
        case 'view-model':
          return getAU(element).controller.viewModel;
        case 'view':
          return getAU(element).controller.view;
        default:
          var target = getAU(element)[apiName];

          if (target === undefined) {
            throw new Error('Attempted to reference "' + apiName + '", but it was not found amongst the target\'s API.');
          }

          return target.viewModel;
      }
    };

    return NameExpression;
  }();

  var NameBinder = function () {
    function NameBinder(sourceExpression, target, lookupFunctions) {
      

      this.sourceExpression = sourceExpression;
      this.target = target;
      this.lookupFunctions = lookupFunctions;
    }

    NameBinder.prototype.bind = function bind(source) {
      if (this.isBound) {
        if (this.source === source) {
          return;
        }
        this.unbind();
      }
      this.isBound = true;
      this.source = source;
      if (this.sourceExpression.bind) {
        this.sourceExpression.bind(this, source, this.lookupFunctions);
      }
      this.sourceExpression.assign(this.source, this.target, this.lookupFunctions);
    };

    NameBinder.prototype.unbind = function unbind() {
      if (!this.isBound) {
        return;
      }
      this.isBound = false;
      if (this.sourceExpression.evaluate(this.source, this.lookupFunctions) === this.target) {
        this.sourceExpression.assign(this.source, null, this.lookupFunctions);
      }
      if (this.sourceExpression.unbind) {
        this.sourceExpression.unbind(this, this.source);
      }
      this.source = null;
    };

    return NameBinder;
  }();

  var LookupFunctions = {
    bindingBehaviors: function bindingBehaviors(name) {
      return null;
    },
    valueConverters: function valueConverters(name) {
      return null;
    }
  };

  var BindingEngine = exports.BindingEngine = (_temp2 = _class14 = function () {
    function BindingEngine(observerLocator, parser) {
      

      this.observerLocator = observerLocator;
      this.parser = parser;
    }

    BindingEngine.prototype.createBindingExpression = function createBindingExpression(targetProperty, sourceExpression) {
      var mode = arguments.length <= 2 || arguments[2] === undefined ? bindingMode.toView : arguments[2];
      var lookupFunctions = arguments.length <= 3 || arguments[3] === undefined ? LookupFunctions : arguments[3];

      return new BindingExpression(this.observerLocator, targetProperty, this.parser.parse(sourceExpression), mode, lookupFunctions);
    };

    BindingEngine.prototype.propertyObserver = function propertyObserver(obj, propertyName) {
      var _this28 = this;

      return {
        subscribe: function subscribe(callback) {
          var observer = _this28.observerLocator.getObserver(obj, propertyName);
          observer.subscribe(callback);
          return {
            dispose: function dispose() {
              return observer.unsubscribe(callback);
            }
          };
        }
      };
    };

    BindingEngine.prototype.collectionObserver = function collectionObserver(collection) {
      var _this29 = this;

      return {
        subscribe: function subscribe(callback) {
          var observer = void 0;
          if (collection instanceof Array) {
            observer = _this29.observerLocator.getArrayObserver(collection);
          } else if (collection instanceof Map) {
            observer = _this29.observerLocator.getMapObserver(collection);
          } else if (collection instanceof Set) {
            observer = _this29.observerLocator.getSetObserver(collection);
          } else {
            throw new Error('collection must be an instance of Array, Map or Set.');
          }
          observer.subscribe(callback);
          return {
            dispose: function dispose() {
              return observer.unsubscribe(callback);
            }
          };
        }
      };
    };

    BindingEngine.prototype.expressionObserver = function expressionObserver(bindingContext, expression) {
      var scope = { bindingContext: bindingContext, overrideContext: createOverrideContext(bindingContext) };
      return new ExpressionObserver(scope, this.parser.parse(expression), this.observerLocator, LookupFunctions);
    };

    BindingEngine.prototype.parseExpression = function parseExpression(expression) {
      return this.parser.parse(expression);
    };

    BindingEngine.prototype.registerAdapter = function registerAdapter(adapter) {
      this.observerLocator.addAdapter(adapter);
    };

    return BindingEngine;
  }(), _class14.inject = [ObserverLocator, Parser], _temp2);


  var setProto = Set.prototype;

  function _getSetObserver(taskQueue, set) {
    return ModifySetObserver.for(taskQueue, set);
  }

  exports.getSetObserver = _getSetObserver;

  var ModifySetObserver = function (_ModifyCollectionObse3) {
    _inherits(ModifySetObserver, _ModifyCollectionObse3);

    function ModifySetObserver(taskQueue, set) {
      

      return _possibleConstructorReturn(this, _ModifyCollectionObse3.call(this, taskQueue, set));
    }

    ModifySetObserver.for = function _for(taskQueue, set) {
      if (!('__set_observer__' in set)) {
        Reflect.defineProperty(set, '__set_observer__', {
          value: ModifySetObserver.create(taskQueue, set),
          enumerable: false, configurable: false
        });
      }
      return set.__set_observer__;
    };

    ModifySetObserver.create = function create(taskQueue, set) {
      var observer = new ModifySetObserver(taskQueue, set);

      var proto = setProto;
      if (proto.add !== set.add || proto.delete !== set.delete || proto.clear !== set.clear) {
        proto = {
          add: set.add,
          delete: set.delete,
          clear: set.clear
        };
      }

      set.add = function () {
        var type = 'add';
        var oldSize = set.size;
        var methodCallResult = proto.add.apply(set, arguments);
        var hasValue = set.size === oldSize;
        if (!hasValue) {
          observer.addChangeRecord({
            type: type,
            object: set,
            value: Array.from(set).pop()
          });
        }
        return methodCallResult;
      };

      set.delete = function () {
        var hasValue = set.has(arguments[0]);
        var methodCallResult = proto.delete.apply(set, arguments);
        if (hasValue) {
          observer.addChangeRecord({
            type: 'delete',
            object: set,
            value: arguments[0]
          });
        }
        return methodCallResult;
      };

      set.clear = function () {
        var methodCallResult = proto.clear.apply(set, arguments);
        observer.addChangeRecord({
          type: 'clear',
          object: set
        });
        return methodCallResult;
      };

      return observer;
    };

    return ModifySetObserver;
  }(ModifyCollectionObserver);

  function observable(targetOrConfig, key, descriptor) {
    function deco(target, key, descriptor, config) {
      var isClassDecorator = key === undefined;
      if (isClassDecorator) {
        target = target.prototype;
        key = typeof config === 'string' ? config : config.name;
      }

      var innerPropertyName = '_' + key;
      var innerPropertyDescriptor = {
        configurable: true,
        enumerable: false,
        writable: true
      };

      var callbackName = config && config.changeHandler || key + 'Changed';

      if (descriptor) {
        if (typeof descriptor.initializer === 'function') {
          innerPropertyDescriptor.value = descriptor.initializer();
        }
      } else {
        descriptor = {};
      }

      if (!('enumerable' in descriptor)) {
        descriptor.enumerable = true;
      }

      delete descriptor.value;
      delete descriptor.writable;
      delete descriptor.initializer;

      Reflect.defineProperty(target, innerPropertyName, innerPropertyDescriptor);

      descriptor.get = function () {
        return this[innerPropertyName];
      };
      descriptor.set = function (newValue) {
        var oldValue = this[innerPropertyName];
        if (newValue === oldValue) {
          return;
        }

        this[innerPropertyName] = newValue;
        Reflect.defineProperty(this, innerPropertyName, { enumerable: false });

        if (this[callbackName]) {
          this[callbackName](newValue, oldValue, key);
        }
      };

      descriptor.get.dependencies = [innerPropertyName];

      if (isClassDecorator) {
        Reflect.defineProperty(target, key, descriptor);
      } else {
        return descriptor;
      }
    }

    if (key === undefined) {
      return function (t, k, d) {
        return deco(t, k, d, targetOrConfig);
      };
    }
    return deco(targetOrConfig, key, descriptor);
  }

  var signals = {};

  function connectBindingToSignal(binding, name) {
    if (!signals.hasOwnProperty(name)) {
      signals[name] = 0;
    }
    binding.observeProperty(signals, name);
  }

  function signalBindings(name) {
    if (signals.hasOwnProperty(name)) {
      signals[name]++;
    }
  }
});
define('aurelia-polyfills',['aurelia-pal'], function (_aureliaPal) {
  'use strict';

  var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
    return typeof obj;
  } : function (obj) {
    return obj && typeof Symbol === "function" && obj.constructor === Symbol ? "symbol" : typeof obj;
  };

  if (typeof FEATURE_NO_ES2015 === 'undefined') {

    (function (Object, GOPS) {
      'use strict';

      if (GOPS in Object) return;

      var setDescriptor,
          G = _aureliaPal.PLATFORM.global,
          id = 0,
          random = '' + Math.random(),
          prefix = '__\x01symbol:',
          prefixLength = prefix.length,
          internalSymbol = '__\x01symbol@@' + random,
          DP = 'defineProperty',
          DPies = 'defineProperties',
          GOPN = 'getOwnPropertyNames',
          GOPD = 'getOwnPropertyDescriptor',
          PIE = 'propertyIsEnumerable',
          gOPN = Object[GOPN],
          gOPD = Object[GOPD],
          create = Object.create,
          keys = Object.keys,
          defineProperty = Object[DP],
          $defineProperties = Object[DPies],
          descriptor = gOPD(Object, GOPN),
          ObjectProto = Object.prototype,
          hOP = ObjectProto.hasOwnProperty,
          pIE = ObjectProto[PIE],
          toString = ObjectProto.toString,
          indexOf = Array.prototype.indexOf || function (v) {
        for (var i = this.length; i-- && this[i] !== v;) {}
        return i;
      },
          addInternalIfNeeded = function addInternalIfNeeded(o, uid, enumerable) {
        if (!hOP.call(o, internalSymbol)) {
          defineProperty(o, internalSymbol, {
            enumerable: false,
            configurable: false,
            writable: false,
            value: {}
          });
        }
        o[internalSymbol]['@@' + uid] = enumerable;
      },
          createWithSymbols = function createWithSymbols(proto, descriptors) {
        var self = create(proto);
        if (descriptors !== null && (typeof descriptors === 'undefined' ? 'undefined' : _typeof(descriptors)) === 'object') {
          gOPN(descriptors).forEach(function (key) {
            if (propertyIsEnumerable.call(descriptors, key)) {
              $defineProperty(self, key, descriptors[key]);
            }
          });
        }
        return self;
      },
          copyAsNonEnumerable = function copyAsNonEnumerable(descriptor) {
        var newDescriptor = create(descriptor);
        newDescriptor.enumerable = false;
        return newDescriptor;
      },
          get = function get() {},
          onlyNonSymbols = function onlyNonSymbols(name) {
        return name != internalSymbol && !hOP.call(source, name);
      },
          onlySymbols = function onlySymbols(name) {
        return name != internalSymbol && hOP.call(source, name);
      },
          propertyIsEnumerable = function propertyIsEnumerable(key) {
        var uid = '' + key;
        return onlySymbols(uid) ? hOP.call(this, uid) && this[internalSymbol] && this[internalSymbol]['@@' + uid] : pIE.call(this, key);
      },
          setAndGetSymbol = function setAndGetSymbol(uid) {
        var descriptor = {
          enumerable: false,
          configurable: true,
          get: get,
          set: function set(value) {
            setDescriptor(this, uid, {
              enumerable: false,
              configurable: true,
              writable: true,
              value: value
            });
            addInternalIfNeeded(this, uid, true);
          }
        };
        defineProperty(ObjectProto, uid, descriptor);
        return source[uid] = defineProperty(Object(uid), 'constructor', sourceConstructor);
      },
          _Symbol = function _Symbol2(description) {
        if (this && this !== G) {
          throw new TypeError('Symbol is not a constructor');
        }
        return setAndGetSymbol(prefix.concat(description || '', random, ++id));
      },
          source = create(null),
          sourceConstructor = { value: _Symbol },
          sourceMap = function sourceMap(uid) {
        return source[uid];
      },
          $defineProperty = function defineProp(o, key, descriptor) {
        var uid = '' + key;
        if (onlySymbols(uid)) {
          setDescriptor(o, uid, descriptor.enumerable ? copyAsNonEnumerable(descriptor) : descriptor);
          addInternalIfNeeded(o, uid, !!descriptor.enumerable);
        } else {
          defineProperty(o, key, descriptor);
        }
        return o;
      },
          $getOwnPropertySymbols = function getOwnPropertySymbols(o) {
        var cof = toString.call(o);
        o = cof === '[object String]' ? o.split('') : Object(o);
        return gOPN(o).filter(onlySymbols).map(sourceMap);
      };

      descriptor.value = $defineProperty;
      defineProperty(Object, DP, descriptor);

      descriptor.value = $getOwnPropertySymbols;
      defineProperty(Object, GOPS, descriptor);

      var cachedWindowNames = (typeof window === 'undefined' ? 'undefined' : _typeof(window)) === 'object' ? Object.getOwnPropertyNames(window) : [];
      var originalObjectGetOwnPropertyNames = Object.getOwnPropertyNames;
      descriptor.value = function getOwnPropertyNames(o) {
        if (toString.call(o) === '[object Window]') {
          try {
            return originalObjectGetOwnPropertyNames(o);
          } catch (e) {
            return [].concat([], cachedWindowNames);
          }
        }
        return gOPN(o).filter(onlyNonSymbols);
      };
      defineProperty(Object, GOPN, descriptor);

      descriptor.value = function defineProperties(o, descriptors) {
        var symbols = $getOwnPropertySymbols(descriptors);
        if (symbols.length) {
          keys(descriptors).concat(symbols).forEach(function (uid) {
            if (propertyIsEnumerable.call(descriptors, uid)) {
              $defineProperty(o, uid, descriptors[uid]);
            }
          });
        } else {
          $defineProperties(o, descriptors);
        }
        return o;
      };
      defineProperty(Object, DPies, descriptor);

      descriptor.value = propertyIsEnumerable;
      defineProperty(ObjectProto, PIE, descriptor);

      descriptor.value = _Symbol;
      defineProperty(G, 'Symbol', descriptor);

      descriptor.value = function (key) {
        var uid = prefix.concat(prefix, key, random);
        return uid in ObjectProto ? source[uid] : setAndGetSymbol(uid);
      };
      defineProperty(_Symbol, 'for', descriptor);

      descriptor.value = function (symbol) {
        return hOP.call(source, symbol) ? symbol.slice(prefixLength * 2, -random.length) : void 0;
      };
      defineProperty(_Symbol, 'keyFor', descriptor);

      descriptor.value = function getOwnPropertyDescriptor(o, key) {
        var descriptor = gOPD(o, key);
        if (descriptor && onlySymbols(key)) {
          descriptor.enumerable = propertyIsEnumerable.call(o, key);
        }
        return descriptor;
      };
      defineProperty(Object, GOPD, descriptor);

      descriptor.value = function (proto, descriptors) {
        return arguments.length === 1 ? create(proto) : createWithSymbols(proto, descriptors);
      };
      defineProperty(Object, 'create', descriptor);

      descriptor.value = function () {
        var str = toString.call(this);
        return str === '[object String]' && onlySymbols(this) ? '[object Symbol]' : str;
      };
      defineProperty(ObjectProto, 'toString', descriptor);

      try {
        setDescriptor = create(defineProperty({}, prefix, {
          get: function get() {
            return defineProperty(this, prefix, { value: false })[prefix];
          }
        }))[prefix] || defineProperty;
      } catch (o_O) {
        setDescriptor = function setDescriptor(o, key, descriptor) {
          var protoDescriptor = gOPD(ObjectProto, key);
          delete ObjectProto[key];
          defineProperty(o, key, descriptor);
          defineProperty(ObjectProto, key, protoDescriptor);
        };
      }
    })(Object, 'getOwnPropertySymbols');

    (function (O, S) {
      var dP = O.defineProperty,
          ObjectProto = O.prototype,
          toString = ObjectProto.toString,
          toStringTag = 'toStringTag',
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    Number.isFinite = Number.isFinite || function (value) {
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    };
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              mapping = mapfn !== undefined,
              index = 0,
              iterFn = O[Symbol.iterator],
              length,
              result,
              step,
              iterator;
          if (mapping) mapfn = mapfn.bind(aLen > 2 ? arguments[2] : undefined);
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    if (!Array.prototype.findIndex) {
      Object.defineProperty(Array.prototype, 'findIndex', {
        configurable: true,
        writable: true,
        enumerable: false,
        value: function value(predicate) {
          if (this === null) {
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    (function () {
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      try {
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      if (needsFix) {
        Object.keys = function () {
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              dontEnumsLength = dontEnums.length;

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          return function assign(where) {
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            function set(keyOrSymbol) {
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            for (var i = 1, ii = arguments.length; i < ii; ++i) {
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            return where;
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        }()
      });
    })(Object);
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  if (typeof FEATURE_NO_ES2015 === 'undefined') {

    (function (global) {
      var i;

      var defineProperty = Object.defineProperty,
          is = function is(a, b) {
        return a === b || a !== a && b !== b;
      };

      if (typeof WeakMap == 'undefined') {
        global.WeakMap = createCollection({
          'delete': sharedDelete,

          clear: sharedClear,

          get: sharedGet,

          has: mapHas,

          set: sharedSet
        }, true);
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      if (typeof Map == 'undefined' || typeof new Map().values !== 'function' || !new Map().values().next) {
        var _createCollection;

        global.Map = createCollection((_createCollection = {
          'delete': sharedDelete,

          has: mapHas,

          get: sharedGet,

          set: sharedSet,

          keys: sharedKeys,

          values: sharedValues,

          entries: mapEntries,

          forEach: sharedForEach,

          clear: sharedClear
        }, _createCollection[Symbol.iterator] = mapEntries, _createCollection));
      }

      if (typeof Set == 'undefined' || typeof new Set().values !== 'function' || !new Set().values().next) {
        var _createCollection2;

        global.Set = createCollection((_createCollection2 = {
          has: setHas,

          add: sharedAdd,

          'delete': sharedDelete,

          clear: sharedClear,

          keys: sharedValues,
          values: sharedValues,

          entries: setEntries,

          forEach: sharedForEach
        }, _createCollection2[Symbol.iterator] = sharedValues, _createCollection2));
      }

      if (typeof WeakSet == 'undefined') {
        global.WeakSet = createCollection({
          'delete': sharedDelete,

          add: sharedAdd,

          clear: sharedClear,

          has: setHas
        }, true);
      }

      function createCollection(proto, objectOnly) {
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          this._keys = [];
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          if (a) init.call(this, a);
        }

        if (!objectOnly) {
          defineProperty(proto, 'size', {
            get: sharedSize
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        proto.constructor = Collection;
        Collection.prototype = proto;

        return Collection;
      }

      function init(a) {
        var i;

        if (this.add) a.forEach(this.add, this);else a.forEach(function (a) {
            this.set(a[0], a[1]);
          }, this);
      }

      function sharedDelete(key) {
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          this._keys.splice(i, 1);
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          this._itp.forEach(function (p) {
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          });
        }

        return -1 < i;
      };

      function sharedGet(key) {
        return this.has(key) ? this._values[i] : undefined;
      }

      function has(list, key) {
        if (this.objectOnly && key !== Object(key)) throw new TypeError("Invalid value used as weak collection key");

        if (key != key || key === 0) for (i = list.length; i-- && !is(list[i], key);) {} else i = list.indexOf(key);
        return -1 < i;
      }

      function setHas(value) {
        return has.call(this, this._values, value);
      }

      function mapHas(value) {
        return has.call(this, this._keys, value);
      }

      function sharedSet(key, value) {
        this.has(key) ? this._values[i] = value : this._values[this._keys.push(key) - 1] = value;
        return this;
      }

      function sharedAdd(value) {
        if (!this.has(value)) this._values.push(value);
        return this;
      }

      function sharedClear() {
        (this._keys || 0).length = this._values.length = 0;
      }

      function sharedKeys() {
        return sharedIterator(this._itp, this._keys);
      }

      function sharedValues() {
        return sharedIterator(this._itp, this._values);
      }

      function mapEntries() {
        return sharedIterator(this._itp, this._keys, this._values);
      }

      function setEntries() {
        return sharedIterator(this._itp, this._values, this._values);
      }

      function sharedIterator(itp, array, array2) {
        var _ref;

        var p = [0],
            done = false;
        itp.push(p);
        return _ref = {}, _ref[Symbol.iterator] = function () {
          return this;
        }, _ref.next = function next() {
          var v,
              k = p[0];
          if (!done && k < array.length) {
            v = array2 ? [array[k], array2[k]] : array[k];
            p[0]++;
          } else {
            done = true;
            itp.splice(itp.indexOf(p), 1);
          }
          return { done: done, value: v };
        }, _ref;
      }

      function sharedSize() {
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      }

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          callback.call(context, r.value[1], r.value[0], this);
        }
      }
    })(_aureliaPal.PLATFORM.global);
  }

  if (typeof FEATURE_NO_ES2015 === 'undefined') {
    (function () {

      var bind = Function.prototype.bind;

      if (typeof _aureliaPal.PLATFORM.global.Reflect === 'undefined') {
        _aureliaPal.PLATFORM.global.Reflect = {};
      }

      if (typeof Reflect.defineProperty !== 'function') {
        Reflect.defineProperty = function (target, propertyKey, descriptor) {
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            Object.defineProperty(target, propertyKey, descriptor);
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            return false;
          }
        };
      }

      if (typeof Reflect.construct !== 'function') {
        Reflect.construct = function (Target, args) {
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            switch (args.length) {
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          var a = [null];
          a.push.apply(a, args);
          return new (bind.apply(Target, a))();
        };
      }

      if (typeof Reflect.ownKeys !== 'function') {
        Reflect.ownKeys = function (o) {
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        };
      }
    })();
  }

  if (typeof FEATURE_NO_ESNEXT === 'undefined') {
    (function () {

      var emptyMetadata = Object.freeze({});
      var metadataContainerKey = '__metadata__';

      if (typeof Reflect.getOwnMetadata !== 'function') {
        Reflect.getOwnMetadata = function (metadataKey, target, targetKey) {
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        Reflect.defineMetadata = function (metadataKey, metadataValue, target, targetKey) {
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          targetContainer[metadataKey] = metadataValue;
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      }

      if (typeof Reflect.metadata !== 'function') {
        Reflect.metadata = function (metadataKey, metadataValue) {
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  }
});
define('aurelia-bootstrapper',['module', 'exports', 'aurelia-pal', 'aurelia-polyfills'], function (module, exports, _aureliaPal) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.starting = undefined;
  exports.bootstrap = bootstrap;


  var bootstrapPromises = [];
  var startResolve = void 0;

  var startPromise = new Promise(function (resolve) {
    return startResolve = resolve;
  });
  var host = _aureliaPal.PLATFORM.global;
  var isNodeLike = typeof process !== 'undefined' && !process.browser;

  function ready() {
    if (!host.document || host.document.readyState === 'complete') {
      return Promise.resolve();
    }

    return new Promise(function (resolve) {
      host.document.addEventListener('DOMContentLoaded', completed);
      host.addEventListener('load', completed);

      function completed() {
        host.document.removeEventListener('DOMContentLoaded', completed);
        host.removeEventListener('load', completed);
        resolve();
      }
    });
  }

  function createLoader() {
    if (_aureliaPal.PLATFORM.Loader) {
      return Promise.resolve(new _aureliaPal.PLATFORM.Loader());
    }

    if (typeof AURELIA_WEBPACK_2_0 === 'undefined') {
      if (typeof __webpack_require__ !== 'undefined') {
        var m = __webpack_require__(require.resolve('aurelia-loader-webpack'));
        return Promise.resolve(new m.WebpackLoader());
      }

      if (host.System && typeof host.System.config === 'function') {
        return host.System.normalize('aurelia-bootstrapper').then(function (bsn) {
          return host.System.normalize('aurelia-loader-default', bsn);
        }).then(function (loaderName) {
          return host.System.import(loaderName).then(function (m) {
            return new m.DefaultLoader();
          });
        });
      }

      if (typeof host.require === 'function' && typeof host.require.version === 'string') {
        return new Promise(function (resolve, reject) {
          return host.require(['aurelia-loader-default'], function (m) {
            return resolve(new m.DefaultLoader());
          }, reject);
        });
      }

      if (isNodeLike && typeof module !== 'undefined' && typeof module.require !== 'undefined') {
        var _m = module.require('aurelia-loader-nodejs');
        return Promise.resolve(new _m.NodeJsLoader());
      }
    }

    return Promise.reject('No PLATFORM.Loader is defined and there is neither a System API (ES6) or a Require API (AMD) globally available to load your app.');
  }

  function initializePal(loader) {
    var type = void 0;

    var isRenderer = isNodeLike && (process.type === 'renderer' || process.versions['node-webkit']);

    if (isNodeLike && !isRenderer) {
      type = 'nodejs';
    } else if (typeof window !== 'undefined') {
      type = 'browser';
    } else if (typeof self !== 'undefined') {
      type = 'worker';
    } else {
      throw new Error('Could not determine platform implementation to load.');
    }

    return loader.loadModule('aurelia-pal-' + type).then(function (palModule) {
      return type === 'nodejs' && !_aureliaPal.isInitialized && palModule.globalize() || palModule.initialize();
    });
  }

  function preparePlatform(loader) {
    var map = function map(moduleId, relativeTo) {
      return loader.normalize(moduleId, relativeTo).then(function (normalized) {
        loader.map(moduleId, normalized);
        return normalized;
      });
    };

    return initializePal(loader).then(function () {
      return loader.normalize('aurelia-bootstrapper');
    }).then(function (bootstrapperName) {
      var frameworkPromise = map(_aureliaPal.PLATFORM.moduleName('aurelia-framework', { exports: ['Aurelia'] }), bootstrapperName);

      return Promise.all([frameworkPromise, frameworkPromise.then(function (frameworkName) {
        return map('aurelia-dependency-injection', frameworkName);
      }), map('aurelia-router', bootstrapperName), map('aurelia-logging-console', bootstrapperName)]);
    }).then(function (_ref) {
      var frameworkName = _ref[0];
      return loader.loadModule(frameworkName);
    }).then(function (fx) {
      return startResolve(function () {
        return new fx.Aurelia(loader);
      });
    });
  }

  function config(appHost, configModuleId, aurelia) {
    aurelia.host = appHost;
    aurelia.configModuleId = configModuleId || null;

    if (configModuleId) {
      return aurelia.loader.loadModule(configModuleId).then(function (customConfig) {
        if (!customConfig.configure) {
          throw new Error('Cannot initialize module \'' + configModuleId + '\' without a configure function.');
        }

        return customConfig.configure(aurelia);
      });
    }

    aurelia.use.standardConfiguration().developmentLogging();

    return aurelia.start().then(function () {
      return aurelia.setRoot();
    });
  }

  function run() {
    return ready().then(createLoader).then(preparePlatform).then(function () {
      var appHosts = host.document.querySelectorAll('[aurelia-app],[data-aurelia-app]');
      for (var i = 0, ii = appHosts.length; i < ii; ++i) {
        var appHost = appHosts[i];
        var moduleId = appHost.getAttribute('aurelia-app') || appHost.getAttribute('data-aurelia-app');
        bootstrap(config.bind(null, appHost, moduleId));
      }

      var toConsole = console.error.bind(console);
      var bootstraps = bootstrapPromises.map(function (p) {
        return p.catch(toConsole);
      });
      bootstrapPromises = null;
      return Promise.all(bootstraps);
    });
  }

  function bootstrap(configure) {
    var p = startPromise.then(function (factory) {
      return configure(factory());
    });
    if (bootstrapPromises) bootstrapPromises.push(p);
    return p;
  }

  var starting = exports.starting = run();
});
define('aurelia-dependency-injection',['exports', 'aurelia-metadata', 'aurelia-pal'], function (exports, _aureliaMetadata, _aureliaPal) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.Container = exports.InvocationHandler = exports._emptyParameters = exports.SingletonRegistration = exports.TransientRegistration = exports.FactoryInvoker = exports.NewInstance = exports.Factory = exports.StrategyResolver = exports.Parent = exports.Optional = exports.All = exports.Lazy = exports.resolver = undefined;
  exports.getDecoratorDependencies = getDecoratorDependencies;
  exports.lazy = lazy;
  exports.all = all;
  exports.optional = optional;
  exports.parent = parent;
  exports.factory = factory;
  exports.newInstance = newInstance;
  exports.invoker = invoker;
  exports.invokeAsFactory = invokeAsFactory;
  exports.registration = registration;
  exports.transient = transient;
  exports.singleton = singleton;
  exports.autoinject = autoinject;
  exports.inject = inject;

  

  var _dec, _class, _dec2, _class3, _dec3, _class5, _dec4, _class7, _dec5, _class9, _dec6, _class11, _dec7, _class13, _classInvokers;

  var resolver = exports.resolver = _aureliaMetadata.protocol.create('aurelia:resolver', function (target) {
    if (!(typeof target.get === 'function')) {
      return 'Resolvers must implement: get(container: Container, key: any): any';
    }

    return true;
  });

  var Lazy = exports.Lazy = (_dec = resolver(), _dec(_class = function () {
    function Lazy(key) {
      

      this._key = key;
    }

    Lazy.prototype.get = function get(container) {
      var _this = this;

      return function () {
        return container.get(_this._key);
      };
    };

    Lazy.of = function of(key) {
      return new Lazy(key);
    };

    return Lazy;
  }()) || _class);
  var All = exports.All = (_dec2 = resolver(), _dec2(_class3 = function () {
    function All(key) {
      

      this._key = key;
    }

    All.prototype.get = function get(container) {
      return container.getAll(this._key);
    };

    All.of = function of(key) {
      return new All(key);
    };

    return All;
  }()) || _class3);
  var Optional = exports.Optional = (_dec3 = resolver(), _dec3(_class5 = function () {
    function Optional(key) {
      var checkParent = arguments.length <= 1 || arguments[1] === undefined ? true : arguments[1];

      

      this._key = key;
      this._checkParent = checkParent;
    }

    Optional.prototype.get = function get(container) {
      if (container.hasResolver(this._key, this._checkParent)) {
        return container.get(this._key);
      }

      return null;
    };

    Optional.of = function of(key) {
      var checkParent = arguments.length <= 1 || arguments[1] === undefined ? true : arguments[1];

      return new Optional(key, checkParent);
    };

    return Optional;
  }()) || _class5);
  var Parent = exports.Parent = (_dec4 = resolver(), _dec4(_class7 = function () {
    function Parent(key) {
      

      this._key = key;
    }

    Parent.prototype.get = function get(container) {
      return container.parent ? container.parent.get(this._key) : null;
    };

    Parent.of = function of(key) {
      return new Parent(key);
    };

    return Parent;
  }()) || _class7);
  var StrategyResolver = exports.StrategyResolver = (_dec5 = resolver(), _dec5(_class9 = function () {
    function StrategyResolver(strategy, state) {
      

      this.strategy = strategy;
      this.state = state;
    }

    StrategyResolver.prototype.get = function get(container, key) {
      switch (this.strategy) {
        case 0:
          return this.state;
        case 1:
          var singleton = container.invoke(this.state);
          this.state = singleton;
          this.strategy = 0;
          return singleton;
        case 2:
          return container.invoke(this.state);
        case 3:
          return this.state(container, key, this);
        case 4:
          return this.state[0].get(container, key);
        case 5:
          return container.get(this.state);
        default:
          throw new Error('Invalid strategy: ' + this.strategy);
      }
    };

    return StrategyResolver;
  }()) || _class9);
  var Factory = exports.Factory = (_dec6 = resolver(), _dec6(_class11 = function () {
    function Factory(key) {
      

      this._key = key;
    }

    Factory.prototype.get = function get(container) {
      var _this2 = this;

      return function () {
        for (var _len = arguments.length, rest = Array(_len), _key = 0; _key < _len; _key++) {
          rest[_key] = arguments[_key];
        }

        return container.invoke(_this2._key, rest);
      };
    };

    Factory.of = function of(key) {
      return new Factory(key);
    };

    return Factory;
  }()) || _class11);
  var NewInstance = exports.NewInstance = (_dec7 = resolver(), _dec7(_class13 = function () {
    function NewInstance(key) {
      

      this.key = key;
      this.asKey = key;

      for (var _len2 = arguments.length, dynamicDependencies = Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
        dynamicDependencies[_key2 - 1] = arguments[_key2];
      }

      this.dynamicDependencies = dynamicDependencies;
    }

    NewInstance.prototype.get = function get(container) {
      var dynamicDependencies = this.dynamicDependencies.length > 0 ? this.dynamicDependencies.map(function (dependency) {
        return dependency['protocol:aurelia:resolver'] ? dependency.get(container) : container.get(dependency);
      }) : undefined;
      var instance = container.invoke(this.key, dynamicDependencies);
      container.registerInstance(this.asKey, instance);
      return instance;
    };

    NewInstance.prototype.as = function as(key) {
      this.asKey = key;
      return this;
    };

    NewInstance.of = function of(key) {
      for (var _len3 = arguments.length, dynamicDependencies = Array(_len3 > 1 ? _len3 - 1 : 0), _key3 = 1; _key3 < _len3; _key3++) {
        dynamicDependencies[_key3 - 1] = arguments[_key3];
      }

      return new (Function.prototype.bind.apply(NewInstance, [null].concat([key], dynamicDependencies)))();
    };

    return NewInstance;
  }()) || _class13);
  function getDecoratorDependencies(target, name) {
    var dependencies = target.inject;
    if (typeof dependencies === 'function') {
      throw new Error('Decorator ' + name + ' cannot be used with "inject()".  Please use an array instead.');
    }
    if (!dependencies) {
      dependencies = _aureliaMetadata.metadata.getOwn(_aureliaMetadata.metadata.paramTypes, target).slice();
      target.inject = dependencies;
    }

    return dependencies;
  }

  function lazy(keyValue) {
    return function (target, key, index) {
      var params = getDecoratorDependencies(target, 'lazy');
      params[index] = Lazy.of(keyValue);
    };
  }

  function all(keyValue) {
    return function (target, key, index) {
      var params = getDecoratorDependencies(target, 'all');
      params[index] = All.of(keyValue);
    };
  }

  function optional() {
    var checkParentOrTarget = arguments.length <= 0 || arguments[0] === undefined ? true : arguments[0];

    var deco = function deco(checkParent) {
      return function (target, key, index) {
        var params = getDecoratorDependencies(target, 'optional');
        params[index] = Optional.of(params[index], checkParent);
      };
    };
    if (typeof checkParentOrTarget === 'boolean') {
      return deco(checkParentOrTarget);
    }
    return deco(true);
  }

  function parent(target, key, index) {
    var params = getDecoratorDependencies(target, 'parent');
    params[index] = Parent.of(params[index]);
  }

  function factory(keyValue, asValue) {
    return function (target, key, index) {
      var params = getDecoratorDependencies(target, 'factory');
      var factory = Factory.of(keyValue);
      params[index] = asValue ? factory.as(asValue) : factory;
    };
  }

  function newInstance(asKeyOrTarget) {
    for (var _len4 = arguments.length, dynamicDependencies = Array(_len4 > 1 ? _len4 - 1 : 0), _key4 = 1; _key4 < _len4; _key4++) {
      dynamicDependencies[_key4 - 1] = arguments[_key4];
    }

    var deco = function deco(asKey) {
      return function (target, key, index) {
        var params = getDecoratorDependencies(target, 'newInstance');
        params[index] = NewInstance.of.apply(NewInstance, [params[index]].concat(dynamicDependencies));
        if (!!asKey) {
          params[index].as(asKey);
        }
      };
    };
    if (arguments.length >= 1) {
      return deco(asKeyOrTarget);
    }
    return deco();
  }

  function invoker(value) {
    return function (target) {
      _aureliaMetadata.metadata.define(_aureliaMetadata.metadata.invoker, value, target);
    };
  }

  function invokeAsFactory(potentialTarget) {
    var deco = function deco(target) {
      _aureliaMetadata.metadata.define(_aureliaMetadata.metadata.invoker, FactoryInvoker.instance, target);
    };

    return potentialTarget ? deco(potentialTarget) : deco;
  }

  var FactoryInvoker = exports.FactoryInvoker = function () {
    function FactoryInvoker() {
      
    }

    FactoryInvoker.prototype.invoke = function invoke(container, fn, dependencies) {
      var i = dependencies.length;
      var args = new Array(i);

      while (i--) {
        args[i] = container.get(dependencies[i]);
      }

      return fn.apply(undefined, args);
    };

    FactoryInvoker.prototype.invokeWithDynamicDependencies = function invokeWithDynamicDependencies(container, fn, staticDependencies, dynamicDependencies) {
      var i = staticDependencies.length;
      var args = new Array(i);

      while (i--) {
        args[i] = container.get(staticDependencies[i]);
      }

      if (dynamicDependencies !== undefined) {
        args = args.concat(dynamicDependencies);
      }

      return fn.apply(undefined, args);
    };

    return FactoryInvoker;
  }();

  FactoryInvoker.instance = new FactoryInvoker();

  function registration(value) {
    return function (target) {
      _aureliaMetadata.metadata.define(_aureliaMetadata.metadata.registration, value, target);
    };
  }

  function transient(key) {
    return registration(new TransientRegistration(key));
  }

  function singleton(keyOrRegisterInChild) {
    var registerInChild = arguments.length <= 1 || arguments[1] === undefined ? false : arguments[1];

    return registration(new SingletonRegistration(keyOrRegisterInChild, registerInChild));
  }

  var TransientRegistration = exports.TransientRegistration = function () {
    function TransientRegistration(key) {
      

      this._key = key;
    }

    TransientRegistration.prototype.registerResolver = function registerResolver(container, key, fn) {
      var existingResolver = container.getResolver(this._key || key);
      return existingResolver === undefined ? container.registerTransient(this._key || key, fn) : existingResolver;
    };

    return TransientRegistration;
  }();

  var SingletonRegistration = exports.SingletonRegistration = function () {
    function SingletonRegistration(keyOrRegisterInChild) {
      var registerInChild = arguments.length <= 1 || arguments[1] === undefined ? false : arguments[1];

      

      if (typeof keyOrRegisterInChild === 'boolean') {
        this._registerInChild = keyOrRegisterInChild;
      } else {
        this._key = keyOrRegisterInChild;
        this._registerInChild = registerInChild;
      }
    }

    SingletonRegistration.prototype.registerResolver = function registerResolver(container, key, fn) {
      var targetContainer = this._registerInChild ? container : container.root;
      var existingResolver = targetContainer.getResolver(this._key || key);
      return existingResolver === undefined ? targetContainer.registerSingleton(this._key || key, fn) : existingResolver;
    };

    return SingletonRegistration;
  }();

  function validateKey(key) {
    if (key === null || key === undefined) {
      throw new Error('key/value cannot be null or undefined. Are you trying to inject/register something that doesn\'t exist with DI?');
    }
  }
  var _emptyParameters = exports._emptyParameters = Object.freeze([]);

  _aureliaMetadata.metadata.registration = 'aurelia:registration';
  _aureliaMetadata.metadata.invoker = 'aurelia:invoker';

  var resolverDecorates = resolver.decorates;

  var InvocationHandler = exports.InvocationHandler = function () {
    function InvocationHandler(fn, invoker, dependencies) {
      

      this.fn = fn;
      this.invoker = invoker;
      this.dependencies = dependencies;
    }

    InvocationHandler.prototype.invoke = function invoke(container, dynamicDependencies) {
      return dynamicDependencies !== undefined ? this.invoker.invokeWithDynamicDependencies(container, this.fn, this.dependencies, dynamicDependencies) : this.invoker.invoke(container, this.fn, this.dependencies);
    };

    return InvocationHandler;
  }();

  function invokeWithDynamicDependencies(container, fn, staticDependencies, dynamicDependencies) {
    var i = staticDependencies.length;
    var args = new Array(i);
    var lookup = void 0;

    while (i--) {
      lookup = staticDependencies[i];

      if (lookup === null || lookup === undefined) {
        throw new Error('Constructor Parameter with index ' + i + ' cannot be null or undefined. Are you trying to inject/register something that doesn\'t exist with DI?');
      } else {
        args[i] = container.get(lookup);
      }
    }

    if (dynamicDependencies !== undefined) {
      args = args.concat(dynamicDependencies);
    }

    return Reflect.construct(fn, args);
  }

  var classInvokers = (_classInvokers = {}, _classInvokers[0] = {
    invoke: function invoke(container, Type) {
      return new Type();
    },

    invokeWithDynamicDependencies: invokeWithDynamicDependencies
  }, _classInvokers[1] = {
    invoke: function invoke(container, Type, deps) {
      return new Type(container.get(deps[0]));
    },

    invokeWithDynamicDependencies: invokeWithDynamicDependencies
  }, _classInvokers[2] = {
    invoke: function invoke(container, Type, deps) {
      return new Type(container.get(deps[0]), container.get(deps[1]));
    },

    invokeWithDynamicDependencies: invokeWithDynamicDependencies
  }, _classInvokers[3] = {
    invoke: function invoke(container, Type, deps) {
      return new Type(container.get(deps[0]), container.get(deps[1]), container.get(deps[2]));
    },

    invokeWithDynamicDependencies: invokeWithDynamicDependencies
  }, _classInvokers[4] = {
    invoke: function invoke(container, Type, deps) {
      return new Type(container.get(deps[0]), container.get(deps[1]), container.get(deps[2]), container.get(deps[3]));
    },

    invokeWithDynamicDependencies: invokeWithDynamicDependencies
  }, _classInvokers[5] = {
    invoke: function invoke(container, Type, deps) {
      return new Type(container.get(deps[0]), container.get(deps[1]), container.get(deps[2]), container.get(deps[3]), container.get(deps[4]));
    },

    invokeWithDynamicDependencies: invokeWithDynamicDependencies
  }, _classInvokers.fallback = {
    invoke: invokeWithDynamicDependencies,
    invokeWithDynamicDependencies: invokeWithDynamicDependencies
  }, _classInvokers);

  function getDependencies(f) {
    if (!f.hasOwnProperty('inject')) {
      return [];
    }

    if (typeof f.inject === 'function') {
      return f.inject();
    }

    return f.inject;
  }

  var Container = exports.Container = function () {
    function Container(configuration) {
      

      if (configuration === undefined) {
        configuration = {};
      }

      this._configuration = configuration;
      this._onHandlerCreated = configuration.onHandlerCreated;
      this._handlers = configuration.handlers || (configuration.handlers = new Map());
      this._resolvers = new Map();
      this.root = this;
      this.parent = null;
    }

    Container.prototype.makeGlobal = function makeGlobal() {
      Container.instance = this;
      return this;
    };

    Container.prototype.setHandlerCreatedCallback = function setHandlerCreatedCallback(onHandlerCreated) {
      this._onHandlerCreated = onHandlerCreated;
      this._configuration.onHandlerCreated = onHandlerCreated;
    };

    Container.prototype.registerInstance = function registerInstance(key, instance) {
      return this.registerResolver(key, new StrategyResolver(0, instance === undefined ? key : instance));
    };

    Container.prototype.registerSingleton = function registerSingleton(key, fn) {
      return this.registerResolver(key, new StrategyResolver(1, fn === undefined ? key : fn));
    };

    Container.prototype.registerTransient = function registerTransient(key, fn) {
      return this.registerResolver(key, new StrategyResolver(2, fn === undefined ? key : fn));
    };

    Container.prototype.registerHandler = function registerHandler(key, handler) {
      return this.registerResolver(key, new StrategyResolver(3, handler));
    };

    Container.prototype.registerAlias = function registerAlias(originalKey, aliasKey) {
      return this.registerResolver(aliasKey, new StrategyResolver(5, originalKey));
    };

    Container.prototype.registerResolver = function registerResolver(key, resolver) {
      validateKey(key);

      var allResolvers = this._resolvers;
      var result = allResolvers.get(key);

      if (result === undefined) {
        allResolvers.set(key, resolver);
      } else if (result.strategy === 4) {
        result.state.push(resolver);
      } else {
        allResolvers.set(key, new StrategyResolver(4, [result, resolver]));
      }

      return resolver;
    };

    Container.prototype.autoRegister = function autoRegister(key, fn) {
      fn = fn === undefined ? key : fn;

      if (typeof fn === 'function') {
        var _registration = _aureliaMetadata.metadata.get(_aureliaMetadata.metadata.registration, fn);

        if (_registration === undefined) {
          return this.registerResolver(key, new StrategyResolver(1, fn));
        }

        return _registration.registerResolver(this, key, fn);
      }

      return this.registerResolver(key, new StrategyResolver(0, fn));
    };

    Container.prototype.autoRegisterAll = function autoRegisterAll(fns) {
      var i = fns.length;
      while (i--) {
        this.autoRegister(fns[i]);
      }
    };

    Container.prototype.unregister = function unregister(key) {
      this._resolvers.delete(key);
    };

    Container.prototype.hasResolver = function hasResolver(key) {
      var checkParent = arguments.length <= 1 || arguments[1] === undefined ? false : arguments[1];

      validateKey(key);

      return this._resolvers.has(key) || checkParent && this.parent !== null && this.parent.hasResolver(key, checkParent);
    };

    Container.prototype.getResolver = function getResolver(key) {
      return this._resolvers.get(key);
    };

    Container.prototype.get = function get(key) {
      validateKey(key);

      if (key === Container) {
        return this;
      }

      if (resolverDecorates(key)) {
        return key.get(this, key);
      }

      var resolver = this._resolvers.get(key);

      if (resolver === undefined) {
        if (this.parent === null) {
          return this.autoRegister(key).get(this, key);
        }

        var _registration2 = _aureliaMetadata.metadata.get(_aureliaMetadata.metadata.registration, key);

        if (_registration2 === undefined) {
          return this.parent._get(key);
        }

        return _registration2.registerResolver(this, key, key).get(this, key);
      }

      return resolver.get(this, key);
    };

    Container.prototype._get = function _get(key) {
      var resolver = this._resolvers.get(key);

      if (resolver === undefined) {
        if (this.parent === null) {
          return this.autoRegister(key).get(this, key);
        }

        return this.parent._get(key);
      }

      return resolver.get(this, key);
    };

    Container.prototype.getAll = function getAll(key) {
      validateKey(key);

      var resolver = this._resolvers.get(key);

      if (resolver === undefined) {
        if (this.parent === null) {
          return _emptyParameters;
        }

        return this.parent.getAll(key);
      }

      if (resolver.strategy === 4) {
        var state = resolver.state;
        var i = state.length;
        var results = new Array(i);

        while (i--) {
          results[i] = state[i].get(this, key);
        }

        return results;
      }

      return [resolver.get(this, key)];
    };

    Container.prototype.createChild = function createChild() {
      var child = new Container(this._configuration);
      child.root = this.root;
      child.parent = this;
      return child;
    };

    Container.prototype.invoke = function invoke(fn, dynamicDependencies) {
      try {
        var _handler = this._handlers.get(fn);

        if (_handler === undefined) {
          _handler = this._createInvocationHandler(fn);
          this._handlers.set(fn, _handler);
        }

        return _handler.invoke(this, dynamicDependencies);
      } catch (e) {
        throw new _aureliaPal.AggregateError('Error invoking ' + fn.name + '. Check the inner error for details.', e, true);
      }
    };

    Container.prototype._createInvocationHandler = function _createInvocationHandler(fn) {
      var dependencies = void 0;

      if (fn.inject === undefined) {
        dependencies = _aureliaMetadata.metadata.getOwn(_aureliaMetadata.metadata.paramTypes, fn) || _emptyParameters;
      } else {
        dependencies = [];
        var ctor = fn;
        while (typeof ctor === 'function') {
          var _dependencies;

          (_dependencies = dependencies).push.apply(_dependencies, getDependencies(ctor));
          ctor = Object.getPrototypeOf(ctor);
        }
      }

      var invoker = _aureliaMetadata.metadata.getOwn(_aureliaMetadata.metadata.invoker, fn) || classInvokers[dependencies.length] || classInvokers.fallback;

      var handler = new InvocationHandler(fn, invoker, dependencies);
      return this._onHandlerCreated !== undefined ? this._onHandlerCreated(handler) : handler;
    };

    return Container;
  }();

  function autoinject(potentialTarget) {
    var deco = function deco(target) {
      var previousInject = target.inject ? target.inject.slice() : null;
      var autoInject = _aureliaMetadata.metadata.getOwn(_aureliaMetadata.metadata.paramTypes, target) || _emptyParameters;
      if (!previousInject) {
        target.inject = autoInject;
      } else {
        for (var i = 0; i < autoInject.length; i++) {
          if (previousInject[i] && previousInject[i] !== autoInject[i]) {
            var prevIndex = previousInject.indexOf(autoInject[i]);
            if (prevIndex > -1) {
              previousInject.splice(prevIndex, 1);
            }
            previousInject.splice(prevIndex > -1 && prevIndex < i ? i - 1 : i, 0, autoInject[i]);
          } else if (!previousInject[i]) {
            previousInject[i] = autoInject[i];
          }
        }
        target.inject = previousInject;
      }
    };

    return potentialTarget ? deco(potentialTarget) : deco;
  }

  function inject() {
    for (var _len5 = arguments.length, rest = Array(_len5), _key5 = 0; _key5 < _len5; _key5++) {
      rest[_key5] = arguments[_key5];
    }

    return function (target, key, descriptor) {
      if (typeof descriptor === 'number' && rest.length === 1) {
        var params = target.inject;
        if (typeof params === 'function') {
          throw new Error('Decorator inject cannot be used with "inject()".  Please use an array instead.');
        }
        if (!params) {
          params = _aureliaMetadata.metadata.getOwn(_aureliaMetadata.metadata.paramTypes, target).slice();
          target.inject = params;
        }
        params[descriptor] = rest[0];
        return;
      }

      if (descriptor) {
        var _fn = descriptor.value;
        _fn.inject = rest;
      } else {
        target.inject = rest;
      }
    };
  }
});
define('aurelia-event-aggregator',['exports', 'aurelia-logging'], function (exports, _aureliaLogging) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.EventAggregator = undefined;
  exports.includeEventsIn = includeEventsIn;
  exports.configure = configure;

  var LogManager = _interopRequireWildcard(_aureliaLogging);

  function _interopRequireWildcard(obj) {
    if (obj && obj.__esModule) {
      return obj;
    } else {
      var newObj = {};

      if (obj != null) {
        for (var key in obj) {
          if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key];
        }
      }

      newObj.default = obj;
      return newObj;
    }
  }

  

  var logger = LogManager.getLogger('event-aggregator');

  var Handler = function () {
    function Handler(messageType, callback) {
      

      this.messageType = messageType;
      this.callback = callback;
    }

    Handler.prototype.handle = function handle(message) {
      if (message instanceof this.messageType) {
        this.callback.call(null, message);
      }
    };

    return Handler;
  }();

  function invokeCallback(callback, data, event) {
    try {
      callback(data, event);
    } catch (e) {
      logger.error(e);
    }
  }

  function invokeHandler(handler, data) {
    try {
      handler.handle(data);
    } catch (e) {
      logger.error(e);
    }
  }

  var EventAggregator = exports.EventAggregator = function () {
    function EventAggregator() {
      

      this.eventLookup = {};
      this.messageHandlers = [];
    }

    EventAggregator.prototype.publish = function publish(event, data) {
      var subscribers = void 0;
      var i = void 0;

      if (!event) {
        throw new Error('Event was invalid.');
      }

      if (typeof event === 'string') {
        subscribers = this.eventLookup[event];
        if (subscribers) {
          subscribers = subscribers.slice();
          i = subscribers.length;

          while (i--) {
            invokeCallback(subscribers[i], data, event);
          }
        }
      } else {
        subscribers = this.messageHandlers.slice();
        i = subscribers.length;

        while (i--) {
          invokeHandler(subscribers[i], event);
        }
      }
    };

    EventAggregator.prototype.subscribe = function subscribe(event, callback) {
      var handler = void 0;
      var subscribers = void 0;

      if (!event) {
        throw new Error('Event channel/type was invalid.');
      }

      if (typeof event === 'string') {
        handler = callback;
        subscribers = this.eventLookup[event] || (this.eventLookup[event] = []);
      } else {
        handler = new Handler(event, callback);
        subscribers = this.messageHandlers;
      }

      subscribers.push(handler);

      return {
        dispose: function dispose() {
          var idx = subscribers.indexOf(handler);
          if (idx !== -1) {
            subscribers.splice(idx, 1);
          }
        }
      };
    };

    EventAggregator.prototype.subscribeOnce = function subscribeOnce(event, callback) {
      var sub = this.subscribe(event, function (a, b) {
        sub.dispose();
        return callback(a, b);
      });

      return sub;
    };

    return EventAggregator;
  }();

  function includeEventsIn(obj) {
    var ea = new EventAggregator();

    obj.subscribeOnce = function (event, callback) {
      return ea.subscribeOnce(event, callback);
    };

    obj.subscribe = function (event, callback) {
      return ea.subscribe(event, callback);
    };

    obj.publish = function (event, data) {
      ea.publish(event, data);
    };

    return ea;
  }

  function configure(config) {
    config.instance(EventAggregator, includeEventsIn(config.aurelia));
  }
});
define('aurelia-path',['exports'], function (exports) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.relativeToFile = relativeToFile;
  exports.join = join;
  exports.buildQueryString = buildQueryString;
  exports.parseQueryString = parseQueryString;

  var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
    return typeof obj;
  } : function (obj) {
    return obj && typeof Symbol === "function" && obj.constructor === Symbol ? "symbol" : typeof obj;
  };

  function trimDots(ary) {
    for (var i = 0; i < ary.length; ++i) {
      var part = ary[i];
      if (part === '.') {
        ary.splice(i, 1);
        i -= 1;
      } else if (part === '..') {
        if (i === 0 || i === 1 && ary[2] === '..' || ary[i - 1] === '..') {
          continue;
        } else if (i > 0) {
          ary.splice(i - 1, 2);
          i -= 2;
        }
      }
    }
  }

  function relativeToFile(name, file) {
    var fileParts = file && file.split('/');
    var nameParts = name.trim().split('/');

    if (nameParts[0].charAt(0) === '.' && fileParts) {
      var normalizedBaseParts = fileParts.slice(0, fileParts.length - 1);
      nameParts.unshift.apply(nameParts, normalizedBaseParts);
    }

    trimDots(nameParts);

    return nameParts.join('/');
  }

  function join(path1, path2) {
    if (!path1) {
      return path2;
    }

    if (!path2) {
      return path1;
    }

    var schemeMatch = path1.match(/^([^/]*?:)\//);
    var scheme = schemeMatch && schemeMatch.length > 0 ? schemeMatch[1] : '';
    path1 = path1.substr(scheme.length);

    var urlPrefix = void 0;
    if (path1.indexOf('///') === 0 && scheme === 'file:') {
      urlPrefix = '///';
    } else if (path1.indexOf('//') === 0) {
      urlPrefix = '//';
    } else if (path1.indexOf('/') === 0) {
      urlPrefix = '/';
    } else {
      urlPrefix = '';
    }

    var trailingSlash = path2.slice(-1) === '/' ? '/' : '';

    var url1 = path1.split('/');
    var url2 = path2.split('/');
    var url3 = [];

    for (var i = 0, ii = url1.length; i < ii; ++i) {
      if (url1[i] === '..') {
        url3.pop();
      } else if (url1[i] === '.' || url1[i] === '') {
        continue;
      } else {
        url3.push(url1[i]);
      }
    }

    for (var _i = 0, _ii = url2.length; _i < _ii; ++_i) {
      if (url2[_i] === '..') {
        url3.pop();
      } else if (url2[_i] === '.' || url2[_i] === '') {
        continue;
      } else {
        url3.push(url2[_i]);
      }
    }

    return scheme + urlPrefix + url3.join('/') + trailingSlash;
  }

  var encode = encodeURIComponent;
  var encodeKey = function encodeKey(k) {
    return encode(k).replace('%24', '$');
  };

  function buildParam(key, value, traditional) {
    var result = [];
    if (value === null || value === undefined) {
      return result;
    }
    if (Array.isArray(value)) {
      for (var i = 0, l = value.length; i < l; i++) {
        if (traditional) {
          result.push(encodeKey(key) + '=' + encode(value[i]));
        } else {
          var arrayKey = key + '[' + (_typeof(value[i]) === 'object' && value[i] !== null ? i : '') + ']';
          result = result.concat(buildParam(arrayKey, value[i]));
        }
      }
    } else if ((typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object' && !traditional) {
      for (var propertyName in value) {
        result = result.concat(buildParam(key + '[' + propertyName + ']', value[propertyName]));
      }
    } else {
      result.push(encodeKey(key) + '=' + encode(value));
    }
    return result;
  }

  function buildQueryString(params, traditional) {
    var pairs = [];
    var keys = Object.keys(params || {}).sort();
    for (var i = 0, len = keys.length; i < len; i++) {
      var key = keys[i];
      pairs = pairs.concat(buildParam(key, params[key], traditional));
    }

    if (pairs.length === 0) {
      return '';
    }

    return pairs.join('&');
  }

  function processScalarParam(existedParam, value) {
    if (Array.isArray(existedParam)) {
      existedParam.push(value);
      return existedParam;
    }
    if (existedParam !== undefined) {
      return [existedParam, value];
    }

    return value;
  }

  function parseComplexParam(queryParams, keys, value) {
    var currentParams = queryParams;
    var keysLastIndex = keys.length - 1;
    for (var j = 0; j <= keysLastIndex; j++) {
      var key = keys[j] === '' ? currentParams.length : keys[j];
      if (j < keysLastIndex) {
        var prevValue = !currentParams[key] || _typeof(currentParams[key]) === 'object' ? currentParams[key] : [currentParams[key]];
        currentParams = currentParams[key] = prevValue || (isNaN(keys[j + 1]) ? {} : []);
      } else {
        currentParams = currentParams[key] = value;
      }
    }
  }

  function parseQueryString(queryString) {
    var queryParams = {};
    if (!queryString || typeof queryString !== 'string') {
      return queryParams;
    }

    var query = queryString;
    if (query.charAt(0) === '?') {
      query = query.substr(1);
    }

    var pairs = query.replace(/\+/g, ' ').split('&');
    for (var i = 0; i < pairs.length; i++) {
      var pair = pairs[i].split('=');
      var key = decodeURIComponent(pair[0]);
      if (!key) {
        continue;
      }

      var keys = key.split('][');
      var keysLastIndex = keys.length - 1;

      if (/\[/.test(keys[0]) && /\]$/.test(keys[keysLastIndex])) {
        keys[keysLastIndex] = keys[keysLastIndex].replace(/\]$/, '');
        keys = keys.shift().split('[').concat(keys);
        keysLastIndex = keys.length - 1;
      } else {
        keysLastIndex = 0;
      }

      if (pair.length >= 2) {
        var value = pair[1] ? decodeURIComponent(pair[1]) : '';
        if (keysLastIndex) {
          parseComplexParam(queryParams, keys, value);
        } else {
          queryParams[key] = processScalarParam(queryParams[key], value);
        }
      } else {
        queryParams[key] = true;
      }
    }
    return queryParams;
  }
});
define('aurelia-loader',['exports', 'aurelia-path', 'aurelia-metadata'], function (exports, _aureliaPath, _aureliaMetadata) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.Loader = exports.TemplateRegistryEntry = exports.TemplateDependency = undefined;

  var _createClass = function () {
    function defineProperties(target, props) {
      for (var i = 0; i < props.length; i++) {
        var descriptor = props[i];
        descriptor.enumerable = descriptor.enumerable || false;
        descriptor.configurable = true;
        if ("value" in descriptor) descriptor.writable = true;
        Object.defineProperty(target, descriptor.key, descriptor);
      }
    }

    return function (Constructor, protoProps, staticProps) {
      if (protoProps) defineProperties(Constructor.prototype, protoProps);
      if (staticProps) defineProperties(Constructor, staticProps);
      return Constructor;
    };
  }();

  

  var TemplateDependency = exports.TemplateDependency = function TemplateDependency(src, name) {
    

    this.src = src;
    this.name = name;
  };

  var TemplateRegistryEntry = exports.TemplateRegistryEntry = function () {
    function TemplateRegistryEntry(address) {
      

      this.templateIsLoaded = false;
      this.factoryIsReady = false;
      this.resources = null;
      this.dependencies = null;

      this.address = address;
      this.onReady = null;
      this._template = null;
      this._factory = null;
    }

    TemplateRegistryEntry.prototype.addDependency = function addDependency(src, name) {
      var finalSrc = typeof src === 'string' ? (0, _aureliaPath.relativeToFile)(src, this.address) : _aureliaMetadata.Origin.get(src).moduleId;

      this.dependencies.push(new TemplateDependency(finalSrc, name));
    };

    _createClass(TemplateRegistryEntry, [{
      key: 'template',
      get: function get() {
        return this._template;
      },
      set: function set(value) {
        var address = this.address;
        var requires = void 0;
        var current = void 0;
        var src = void 0;
        var dependencies = void 0;

        this._template = value;
        this.templateIsLoaded = true;

        requires = value.content.querySelectorAll('require');
        dependencies = this.dependencies = new Array(requires.length);

        for (var i = 0, ii = requires.length; i < ii; ++i) {
          current = requires[i];
          src = current.getAttribute('from');

          if (!src) {
            throw new Error('<require> element in ' + address + ' has no "from" attribute.');
          }

          dependencies[i] = new TemplateDependency((0, _aureliaPath.relativeToFile)(src, address), current.getAttribute('as'));

          if (current.parentNode) {
            current.parentNode.removeChild(current);
          }
        }
      }
    }, {
      key: 'factory',
      get: function get() {
        return this._factory;
      },
      set: function set(value) {
        this._factory = value;
        this.factoryIsReady = true;
      }
    }]);

    return TemplateRegistryEntry;
  }();

  var Loader = exports.Loader = function () {
    function Loader() {
      

      this.templateRegistry = {};
    }

    Loader.prototype.map = function map(id, source) {
      throw new Error('Loaders must implement map(id, source).');
    };

    Loader.prototype.normalizeSync = function normalizeSync(moduleId, relativeTo) {
      throw new Error('Loaders must implement normalizeSync(moduleId, relativeTo).');
    };

    Loader.prototype.normalize = function normalize(moduleId, relativeTo) {
      throw new Error('Loaders must implement normalize(moduleId: string, relativeTo: string): Promise<string>.');
    };

    Loader.prototype.loadModule = function loadModule(id) {
      throw new Error('Loaders must implement loadModule(id).');
    };

    Loader.prototype.loadAllModules = function loadAllModules(ids) {
      throw new Error('Loader must implement loadAllModules(ids).');
    };

    Loader.prototype.loadTemplate = function loadTemplate(url) {
      throw new Error('Loader must implement loadTemplate(url).');
    };

    Loader.prototype.loadText = function loadText(url) {
      throw new Error('Loader must implement loadText(url).');
    };

    Loader.prototype.applyPluginToUrl = function applyPluginToUrl(url, pluginName) {
      throw new Error('Loader must implement applyPluginToUrl(url, pluginName).');
    };

    Loader.prototype.addPlugin = function addPlugin(pluginName, implementation) {
      throw new Error('Loader must implement addPlugin(pluginName, implementation).');
    };

    Loader.prototype.getOrCreateTemplateRegistryEntry = function getOrCreateTemplateRegistryEntry(address) {
      return this.templateRegistry[address] || (this.templateRegistry[address] = new TemplateRegistryEntry(address));
    };

    return Loader;
  }();
});
define('aurelia-templating',['exports', 'aurelia-logging', 'aurelia-metadata', 'aurelia-pal', 'aurelia-path', 'aurelia-loader', 'aurelia-dependency-injection', 'aurelia-binding', 'aurelia-task-queue'], function (exports, _aureliaLogging, _aureliaMetadata, _aureliaPal, _aureliaPath, _aureliaLoader, _aureliaDependencyInjection, _aureliaBinding, _aureliaTaskQueue) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.TemplatingEngine = exports.ElementConfigResource = exports.CompositionEngine = exports.SwapStrategies = exports.HtmlBehaviorResource = exports.BindableProperty = exports.BehaviorPropertyObserver = exports.Controller = exports.ViewEngine = exports.ModuleAnalyzer = exports.ResourceDescription = exports.ResourceModule = exports.ViewCompiler = exports.ViewFactory = exports.BoundViewFactory = exports.ViewSlot = exports.View = exports.ViewResources = exports.ShadowDOM = exports.ShadowSlot = exports.PassThroughSlot = exports.SlotCustomAttribute = exports.BindingLanguage = exports.ViewLocator = exports.InlineViewStrategy = exports.TemplateRegistryViewStrategy = exports.NoViewStrategy = exports.ConventionalViewStrategy = exports.RelativeViewStrategy = exports.viewStrategy = exports.TargetInstruction = exports.BehaviorInstruction = exports.ViewCompileInstruction = exports.ResourceLoadContext = exports.ElementEvents = exports.ViewEngineHooksResource = exports.CompositionTransaction = exports.CompositionTransactionOwnershipToken = exports.CompositionTransactionNotifier = exports.Animator = exports.animationEvent = undefined;
  exports._hyphenate = _hyphenate;
  exports._isAllWhitespace = _isAllWhitespace;
  exports.viewEngineHooks = viewEngineHooks;
  exports.children = children;
  exports.child = child;
  exports.resource = resource;
  exports.behavior = behavior;
  exports.customElement = customElement;
  exports.customAttribute = customAttribute;
  exports.templateController = templateController;
  exports.bindable = bindable;
  exports.dynamicOptions = dynamicOptions;
  exports.useShadowDOM = useShadowDOM;
  exports.processAttributes = processAttributes;
  exports.processContent = processContent;
  exports.containerless = containerless;
  exports.useViewStrategy = useViewStrategy;
  exports.useView = useView;
  exports.inlineView = inlineView;
  exports.noView = noView;
  exports.elementConfig = elementConfig;
  exports.viewResources = viewResources;

  var LogManager = _interopRequireWildcard(_aureliaLogging);

  function _interopRequireWildcard(obj) {
    if (obj && obj.__esModule) {
      return obj;
    } else {
      var newObj = {};

      if (obj != null) {
        for (var key in obj) {
          if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key];
        }
      }

      newObj.default = obj;
      return newObj;
    }
  }

  var _createClass = function () {
    function defineProperties(target, props) {
      for (var i = 0; i < props.length; i++) {
        var descriptor = props[i];
        descriptor.enumerable = descriptor.enumerable || false;
        descriptor.configurable = true;
        if ("value" in descriptor) descriptor.writable = true;
        Object.defineProperty(target, descriptor.key, descriptor);
      }
    }

    return function (Constructor, protoProps, staticProps) {
      if (protoProps) defineProperties(Constructor.prototype, protoProps);
      if (staticProps) defineProperties(Constructor, staticProps);
      return Constructor;
    };
  }();

  var _class, _temp, _dec, _class2, _dec2, _class3, _dec3, _class4, _dec4, _class5, _dec5, _class6, _class7, _temp2, _dec6, _class8, _class9, _temp3, _class11, _dec7, _class13, _dec8, _class14, _class15, _temp4, _dec9, _class16, _dec10, _class17, _dec11, _class18;

  var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
    return typeof obj;
  } : function (obj) {
    return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
  };

  

  var animationEvent = exports.animationEvent = {
    enterBegin: 'animation:enter:begin',
    enterActive: 'animation:enter:active',
    enterDone: 'animation:enter:done',
    enterTimeout: 'animation:enter:timeout',

    leaveBegin: 'animation:leave:begin',
    leaveActive: 'animation:leave:active',
    leaveDone: 'animation:leave:done',
    leaveTimeout: 'animation:leave:timeout',

    staggerNext: 'animation:stagger:next',

    removeClassBegin: 'animation:remove-class:begin',
    removeClassActive: 'animation:remove-class:active',
    removeClassDone: 'animation:remove-class:done',
    removeClassTimeout: 'animation:remove-class:timeout',

    addClassBegin: 'animation:add-class:begin',
    addClassActive: 'animation:add-class:active',
    addClassDone: 'animation:add-class:done',
    addClassTimeout: 'animation:add-class:timeout',

    animateBegin: 'animation:animate:begin',
    animateActive: 'animation:animate:active',
    animateDone: 'animation:animate:done',
    animateTimeout: 'animation:animate:timeout',

    sequenceBegin: 'animation:sequence:begin',
    sequenceDone: 'animation:sequence:done'
  };

  var Animator = exports.Animator = function () {
    function Animator() {
      
    }

    Animator.prototype.enter = function enter(element) {
      return Promise.resolve(false);
    };

    Animator.prototype.leave = function leave(element) {
      return Promise.resolve(false);
    };

    Animator.prototype.removeClass = function removeClass(element, className) {
      element.classList.remove(className);
      return Promise.resolve(false);
    };

    Animator.prototype.addClass = function addClass(element, className) {
      element.classList.add(className);
      return Promise.resolve(false);
    };

    Animator.prototype.animate = function animate(element, className) {
      return Promise.resolve(false);
    };

    Animator.prototype.runSequence = function runSequence(animations) {};

    Animator.prototype.registerEffect = function registerEffect(effectName, properties) {};

    Animator.prototype.unregisterEffect = function unregisterEffect(effectName) {};

    return Animator;
  }();

  var CompositionTransactionNotifier = exports.CompositionTransactionNotifier = function () {
    function CompositionTransactionNotifier(owner) {
      

      this.owner = owner;
      this.owner._compositionCount++;
    }

    CompositionTransactionNotifier.prototype.done = function done() {
      this.owner._compositionCount--;
      this.owner._tryCompleteTransaction();
    };

    return CompositionTransactionNotifier;
  }();

  var CompositionTransactionOwnershipToken = exports.CompositionTransactionOwnershipToken = function () {
    function CompositionTransactionOwnershipToken(owner) {
      

      this.owner = owner;
      this.owner._ownershipToken = this;
      this.thenable = this._createThenable();
    }

    CompositionTransactionOwnershipToken.prototype.waitForCompositionComplete = function waitForCompositionComplete() {
      this.owner._tryCompleteTransaction();
      return this.thenable;
    };

    CompositionTransactionOwnershipToken.prototype.resolve = function resolve() {
      this._resolveCallback();
    };

    CompositionTransactionOwnershipToken.prototype._createThenable = function _createThenable() {
      var _this = this;

      return new Promise(function (resolve, reject) {
        _this._resolveCallback = resolve;
      });
    };

    return CompositionTransactionOwnershipToken;
  }();

  var CompositionTransaction = exports.CompositionTransaction = function () {
    function CompositionTransaction() {
      

      this._ownershipToken = null;
      this._compositionCount = 0;
    }

    CompositionTransaction.prototype.tryCapture = function tryCapture() {
      return this._ownershipToken === null ? new CompositionTransactionOwnershipToken(this) : null;
    };

    CompositionTransaction.prototype.enlist = function enlist() {
      return new CompositionTransactionNotifier(this);
    };

    CompositionTransaction.prototype._tryCompleteTransaction = function _tryCompleteTransaction() {
      if (this._compositionCount <= 0) {
        this._compositionCount = 0;

        if (this._ownershipToken !== null) {
          var token = this._ownershipToken;
          this._ownershipToken = null;
          token.resolve();
        }
      }
    };

    return CompositionTransaction;
  }();

  var capitalMatcher = /([A-Z])/g;

  function addHyphenAndLower(char) {
    return '-' + char.toLowerCase();
  }

  function _hyphenate(name) {
    return (name.charAt(0).toLowerCase() + name.slice(1)).replace(capitalMatcher, addHyphenAndLower);
  }

  function _isAllWhitespace(node) {
    return !(node.auInterpolationTarget || /[^\t\n\r ]/.test(node.textContent));
  }

  var ViewEngineHooksResource = exports.ViewEngineHooksResource = function () {
    function ViewEngineHooksResource() {
      
    }

    ViewEngineHooksResource.prototype.initialize = function initialize(container, target) {
      this.instance = container.get(target);
    };

    ViewEngineHooksResource.prototype.register = function register(registry, name) {
      registry.registerViewEngineHooks(this.instance);
    };

    ViewEngineHooksResource.prototype.load = function load(container, target) {};

    ViewEngineHooksResource.convention = function convention(name) {
      if (name.endsWith('ViewEngineHooks')) {
        return new ViewEngineHooksResource();
      }
    };

    return ViewEngineHooksResource;
  }();

  function viewEngineHooks(target) {
    var deco = function deco(t) {
      _aureliaMetadata.metadata.define(_aureliaMetadata.metadata.resource, new ViewEngineHooksResource(), t);
    };

    return target ? deco(target) : deco;
  }

  var ElementEvents = exports.ElementEvents = function () {
    function ElementEvents(element) {
      

      this.element = element;
      this.subscriptions = {};
    }

    ElementEvents.prototype._enqueueHandler = function _enqueueHandler(handler) {
      this.subscriptions[handler.eventName] = this.subscriptions[handler.eventName] || [];
      this.subscriptions[handler.eventName].push(handler);
    };

    ElementEvents.prototype._dequeueHandler = function _dequeueHandler(handler) {
      var index = void 0;
      var subscriptions = this.subscriptions[handler.eventName];
      if (subscriptions) {
        index = subscriptions.indexOf(handler);
        if (index > -1) {
          subscriptions.splice(index, 1);
        }
      }
      return handler;
    };

    ElementEvents.prototype.publish = function publish(eventName) {
      var detail = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
      var bubbles = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : true;
      var cancelable = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : true;

      var event = _aureliaPal.DOM.createCustomEvent(eventName, { cancelable: cancelable, bubbles: bubbles, detail: detail });
      this.element.dispatchEvent(event);
    };

    ElementEvents.prototype.subscribe = function subscribe(eventName, handler) {
      var _this2 = this;

      var bubbles = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : true;

      if (handler && typeof handler === 'function') {
        handler.eventName = eventName;
        handler.handler = handler;
        handler.bubbles = bubbles;
        handler.dispose = function () {
          _this2.element.removeEventListener(eventName, handler, bubbles);
          _this2._dequeueHandler(handler);
        };
        this.element.addEventListener(eventName, handler, bubbles);
        this._enqueueHandler(handler);
        return handler;
      }

      return undefined;
    };

    ElementEvents.prototype.subscribeOnce = function subscribeOnce(eventName, handler) {
      var _this3 = this;

      var bubbles = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : true;

      if (handler && typeof handler === 'function') {
        var _ret = function () {
          var _handler = function _handler(event) {
            handler(event);
            _handler.dispose();
          };
          return {
            v: _this3.subscribe(eventName, _handler, bubbles)
          };
        }();

        if ((typeof _ret === 'undefined' ? 'undefined' : _typeof(_ret)) === "object") return _ret.v;
      }

      return undefined;
    };

    ElementEvents.prototype.dispose = function dispose(eventName) {
      if (eventName && typeof eventName === 'string') {
        var subscriptions = this.subscriptions[eventName];
        if (subscriptions) {
          while (subscriptions.length) {
            var subscription = subscriptions.pop();
            if (subscription) {
              subscription.dispose();
            }
          }
        }
      } else {
        this.disposeAll();
      }
    };

    ElementEvents.prototype.disposeAll = function disposeAll() {
      for (var key in this.subscriptions) {
        this.dispose(key);
      }
    };

    return ElementEvents;
  }();

  var ResourceLoadContext = exports.ResourceLoadContext = function () {
    function ResourceLoadContext() {
      

      this.dependencies = {};
    }

    ResourceLoadContext.prototype.addDependency = function addDependency(url) {
      this.dependencies[url] = true;
    };

    ResourceLoadContext.prototype.hasDependency = function hasDependency(url) {
      return url in this.dependencies;
    };

    return ResourceLoadContext;
  }();

  var ViewCompileInstruction = exports.ViewCompileInstruction = function ViewCompileInstruction() {
    var targetShadowDOM = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
    var compileSurrogate = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;

    

    this.targetShadowDOM = targetShadowDOM;
    this.compileSurrogate = compileSurrogate;
    this.associatedModuleId = null;
  };

  ViewCompileInstruction.normal = new ViewCompileInstruction();

  var BehaviorInstruction = exports.BehaviorInstruction = function () {
    BehaviorInstruction.enhance = function enhance() {
      var instruction = new BehaviorInstruction();
      instruction.enhance = true;
      return instruction;
    };

    BehaviorInstruction.unitTest = function unitTest(type, attributes) {
      var instruction = new BehaviorInstruction();
      instruction.type = type;
      instruction.attributes = attributes || {};
      return instruction;
    };

    BehaviorInstruction.element = function element(node, type) {
      var instruction = new BehaviorInstruction();
      instruction.type = type;
      instruction.attributes = {};
      instruction.anchorIsContainer = !(node.hasAttribute('containerless') || type.containerless);
      instruction.initiatedByBehavior = true;
      return instruction;
    };

    BehaviorInstruction.attribute = function attribute(attrName, type) {
      var instruction = new BehaviorInstruction();
      instruction.attrName = attrName;
      instruction.type = type || null;
      instruction.attributes = {};
      return instruction;
    };

    BehaviorInstruction.dynamic = function dynamic(host, viewModel, viewFactory) {
      var instruction = new BehaviorInstruction();
      instruction.host = host;
      instruction.viewModel = viewModel;
      instruction.viewFactory = viewFactory;
      instruction.inheritBindingContext = true;
      return instruction;
    };

    function BehaviorInstruction() {
      

      this.initiatedByBehavior = false;
      this.enhance = false;
      this.partReplacements = null;
      this.viewFactory = null;
      this.originalAttrName = null;
      this.skipContentProcessing = false;
      this.contentFactory = null;
      this.viewModel = null;
      this.anchorIsContainer = false;
      this.host = null;
      this.attributes = null;
      this.type = null;
      this.attrName = null;
      this.inheritBindingContext = false;
    }

    return BehaviorInstruction;
  }();

  BehaviorInstruction.normal = new BehaviorInstruction();

  var TargetInstruction = exports.TargetInstruction = (_temp = _class = function () {
    TargetInstruction.shadowSlot = function shadowSlot(parentInjectorId) {
      var instruction = new TargetInstruction();
      instruction.parentInjectorId = parentInjectorId;
      instruction.shadowSlot = true;
      return instruction;
    };

    TargetInstruction.contentExpression = function contentExpression(expression) {
      var instruction = new TargetInstruction();
      instruction.contentExpression = expression;
      return instruction;
    };

    TargetInstruction.lifting = function lifting(parentInjectorId, liftingInstruction) {
      var instruction = new TargetInstruction();
      instruction.parentInjectorId = parentInjectorId;
      instruction.expressions = TargetInstruction.noExpressions;
      instruction.behaviorInstructions = [liftingInstruction];
      instruction.viewFactory = liftingInstruction.viewFactory;
      instruction.providers = [liftingInstruction.type.target];
      instruction.lifting = true;
      return instruction;
    };

    TargetInstruction.normal = function normal(injectorId, parentInjectorId, providers, behaviorInstructions, expressions, elementInstruction) {
      var instruction = new TargetInstruction();
      instruction.injectorId = injectorId;
      instruction.parentInjectorId = parentInjectorId;
      instruction.providers = providers;
      instruction.behaviorInstructions = behaviorInstructions;
      instruction.expressions = expressions;
      instruction.anchorIsContainer = elementInstruction ? elementInstruction.anchorIsContainer : true;
      instruction.elementInstruction = elementInstruction;
      return instruction;
    };

    TargetInstruction.surrogate = function surrogate(providers, behaviorInstructions, expressions, values) {
      var instruction = new TargetInstruction();
      instruction.expressions = expressions;
      instruction.behaviorInstructions = behaviorInstructions;
      instruction.providers = providers;
      instruction.values = values;
      return instruction;
    };

    function TargetInstruction() {
      

      this.injectorId = null;
      this.parentInjectorId = null;

      this.shadowSlot = false;
      this.slotName = null;
      this.slotFallbackFactory = null;

      this.contentExpression = null;

      this.expressions = null;
      this.behaviorInstructions = null;
      this.providers = null;

      this.viewFactory = null;

      this.anchorIsContainer = false;
      this.elementInstruction = null;
      this.lifting = false;

      this.values = null;
    }

    return TargetInstruction;
  }(), _class.noExpressions = Object.freeze([]), _temp);
  var viewStrategy = exports.viewStrategy = _aureliaMetadata.protocol.create('aurelia:view-strategy', {
    validate: function validate(target) {
      if (!(typeof target.loadViewFactory === 'function')) {
        return 'View strategies must implement: loadViewFactory(viewEngine: ViewEngine, compileInstruction: ViewCompileInstruction, loadContext?: ResourceLoadContext): Promise<ViewFactory>';
      }

      return true;
    },
    compose: function compose(target) {
      if (!(typeof target.makeRelativeTo === 'function')) {
        target.makeRelativeTo = _aureliaPal.PLATFORM.noop;
      }
    }
  });

  var RelativeViewStrategy = exports.RelativeViewStrategy = (_dec = viewStrategy(), _dec(_class2 = function () {
    function RelativeViewStrategy(path) {
      

      this.path = path;
      this.absolutePath = null;
    }

    RelativeViewStrategy.prototype.loadViewFactory = function loadViewFactory(viewEngine, compileInstruction, loadContext, target) {
      if (this.absolutePath === null && this.moduleId) {
        this.absolutePath = (0, _aureliaPath.relativeToFile)(this.path, this.moduleId);
      }

      compileInstruction.associatedModuleId = this.moduleId;
      return viewEngine.loadViewFactory(this.absolutePath || this.path, compileInstruction, loadContext, target);
    };

    RelativeViewStrategy.prototype.makeRelativeTo = function makeRelativeTo(file) {
      if (this.absolutePath === null) {
        this.absolutePath = (0, _aureliaPath.relativeToFile)(this.path, file);
      }
    };

    return RelativeViewStrategy;
  }()) || _class2);
  var ConventionalViewStrategy = exports.ConventionalViewStrategy = (_dec2 = viewStrategy(), _dec2(_class3 = function () {
    function ConventionalViewStrategy(viewLocator, origin) {
      

      this.moduleId = origin.moduleId;
      this.viewUrl = viewLocator.convertOriginToViewUrl(origin);
    }

    ConventionalViewStrategy.prototype.loadViewFactory = function loadViewFactory(viewEngine, compileInstruction, loadContext, target) {
      compileInstruction.associatedModuleId = this.moduleId;
      return viewEngine.loadViewFactory(this.viewUrl, compileInstruction, loadContext, target);
    };

    return ConventionalViewStrategy;
  }()) || _class3);
  var NoViewStrategy = exports.NoViewStrategy = (_dec3 = viewStrategy(), _dec3(_class4 = function () {
    function NoViewStrategy(dependencies, dependencyBaseUrl) {
      

      this.dependencies = dependencies || null;
      this.dependencyBaseUrl = dependencyBaseUrl || '';
    }

    NoViewStrategy.prototype.loadViewFactory = function loadViewFactory(viewEngine, compileInstruction, loadContext, target) {
      var entry = this.entry;
      var dependencies = this.dependencies;

      if (entry && entry.factoryIsReady) {
        return Promise.resolve(null);
      }

      this.entry = entry = new _aureliaLoader.TemplateRegistryEntry(this.moduleId || this.dependencyBaseUrl);

      entry.dependencies = [];
      entry.templateIsLoaded = true;

      if (dependencies !== null) {
        for (var i = 0, ii = dependencies.length; i < ii; ++i) {
          var current = dependencies[i];

          if (typeof current === 'string' || typeof current === 'function') {
            entry.addDependency(current);
          } else {
            entry.addDependency(current.from, current.as);
          }
        }
      }

      compileInstruction.associatedModuleId = this.moduleId;

      return viewEngine.loadViewFactory(entry, compileInstruction, loadContext, target);
    };

    return NoViewStrategy;
  }()) || _class4);
  var TemplateRegistryViewStrategy = exports.TemplateRegistryViewStrategy = (_dec4 = viewStrategy(), _dec4(_class5 = function () {
    function TemplateRegistryViewStrategy(moduleId, entry) {
      

      this.moduleId = moduleId;
      this.entry = entry;
    }

    TemplateRegistryViewStrategy.prototype.loadViewFactory = function loadViewFactory(viewEngine, compileInstruction, loadContext, target) {
      var entry = this.entry;

      if (entry.factoryIsReady) {
        return Promise.resolve(entry.factory);
      }

      compileInstruction.associatedModuleId = this.moduleId;
      return viewEngine.loadViewFactory(entry, compileInstruction, loadContext, target);
    };

    return TemplateRegistryViewStrategy;
  }()) || _class5);
  var InlineViewStrategy = exports.InlineViewStrategy = (_dec5 = viewStrategy(), _dec5(_class6 = function () {
    function InlineViewStrategy(markup, dependencies, dependencyBaseUrl) {
      

      this.markup = markup;
      this.dependencies = dependencies || null;
      this.dependencyBaseUrl = dependencyBaseUrl || '';
    }

    InlineViewStrategy.prototype.loadViewFactory = function loadViewFactory(viewEngine, compileInstruction, loadContext, target) {
      var entry = this.entry;
      var dependencies = this.dependencies;

      if (entry && entry.factoryIsReady) {
        return Promise.resolve(entry.factory);
      }

      this.entry = entry = new _aureliaLoader.TemplateRegistryEntry(this.moduleId || this.dependencyBaseUrl);
      entry.template = _aureliaPal.DOM.createTemplateFromMarkup(this.markup);

      if (dependencies !== null) {
        for (var i = 0, ii = dependencies.length; i < ii; ++i) {
          var current = dependencies[i];

          if (typeof current === 'string' || typeof current === 'function') {
            entry.addDependency(current);
          } else {
            entry.addDependency(current.from, current.as);
          }
        }
      }

      compileInstruction.associatedModuleId = this.moduleId;
      return viewEngine.loadViewFactory(entry, compileInstruction, loadContext, target);
    };

    return InlineViewStrategy;
  }()) || _class6);
  var ViewLocator = exports.ViewLocator = (_temp2 = _class7 = function () {
    function ViewLocator() {
      
    }

    ViewLocator.prototype.getViewStrategy = function getViewStrategy(value) {
      if (!value) {
        return null;
      }

      if ((typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object' && 'getViewStrategy' in value) {
        var _origin = _aureliaMetadata.Origin.get(value.constructor);

        value = value.getViewStrategy();

        if (typeof value === 'string') {
          value = new RelativeViewStrategy(value);
        }

        viewStrategy.assert(value);

        if (_origin.moduleId) {
          value.makeRelativeTo(_origin.moduleId);
        }

        return value;
      }

      if (typeof value === 'string') {
        value = new RelativeViewStrategy(value);
      }

      if (viewStrategy.validate(value)) {
        return value;
      }

      if (typeof value !== 'function') {
        value = value.constructor;
      }

      var origin = _aureliaMetadata.Origin.get(value);
      var strategy = _aureliaMetadata.metadata.get(ViewLocator.viewStrategyMetadataKey, value);

      if (!strategy) {
        if (!origin.moduleId) {
          throw new Error('Cannot determine default view strategy for object.', value);
        }

        strategy = this.createFallbackViewStrategy(origin);
      } else if (origin.moduleId) {
        strategy.moduleId = origin.moduleId;
      }

      return strategy;
    };

    ViewLocator.prototype.createFallbackViewStrategy = function createFallbackViewStrategy(origin) {
      return new ConventionalViewStrategy(this, origin);
    };

    ViewLocator.prototype.convertOriginToViewUrl = function convertOriginToViewUrl(origin) {
      var moduleId = origin.moduleId;
      var id = moduleId.endsWith('.js') || moduleId.endsWith('.ts') ? moduleId.substring(0, moduleId.length - 3) : moduleId;
      return id + '.html';
    };

    return ViewLocator;
  }(), _class7.viewStrategyMetadataKey = 'aurelia:view-strategy', _temp2);


  function mi(name) {
    throw new Error('BindingLanguage must implement ' + name + '().');
  }

  var BindingLanguage = exports.BindingLanguage = function () {
    function BindingLanguage() {
      
    }

    BindingLanguage.prototype.inspectAttribute = function inspectAttribute(resources, elementName, attrName, attrValue) {
      mi('inspectAttribute');
    };

    BindingLanguage.prototype.createAttributeInstruction = function createAttributeInstruction(resources, element, info, existingInstruction) {
      mi('createAttributeInstruction');
    };

    BindingLanguage.prototype.inspectTextContent = function inspectTextContent(resources, value) {
      mi('inspectTextContent');
    };

    return BindingLanguage;
  }();

  var noNodes = Object.freeze([]);

  var SlotCustomAttribute = exports.SlotCustomAttribute = (_dec6 = (0, _aureliaDependencyInjection.inject)(_aureliaPal.DOM.Element), _dec6(_class8 = function () {
    function SlotCustomAttribute(element) {
      

      this.element = element;
      this.element.auSlotAttribute = this;
    }

    SlotCustomAttribute.prototype.valueChanged = function valueChanged(newValue, oldValue) {};

    return SlotCustomAttribute;
  }()) || _class8);

  var PassThroughSlot = exports.PassThroughSlot = function () {
    function PassThroughSlot(anchor, name, destinationName, fallbackFactory) {
      

      this.anchor = anchor;
      this.anchor.viewSlot = this;
      this.name = name;
      this.destinationName = destinationName;
      this.fallbackFactory = fallbackFactory;
      this.destinationSlot = null;
      this.projections = 0;
      this.contentView = null;

      var attr = new SlotCustomAttribute(this.anchor);
      attr.value = this.destinationName;
    }

    PassThroughSlot.prototype.renderFallbackContent = function renderFallbackContent(view, nodes, projectionSource, index) {
      if (this.contentView === null) {
        this.contentView = this.fallbackFactory.create(this.ownerView.container);
        this.contentView.bind(this.ownerView.bindingContext, this.ownerView.overrideContext);

        var slots = Object.create(null);
        slots[this.destinationSlot.name] = this.destinationSlot;

        ShadowDOM.distributeView(this.contentView, slots, projectionSource, index, this.destinationSlot.name);
      }
    };

    PassThroughSlot.prototype.passThroughTo = function passThroughTo(destinationSlot) {
      this.destinationSlot = destinationSlot;
    };

    PassThroughSlot.prototype.addNode = function addNode(view, node, projectionSource, index) {
      if (this.contentView !== null) {
        this.contentView.removeNodes();
        this.contentView.detached();
        this.contentView.unbind();
        this.contentView = null;
      }

      if (node.viewSlot instanceof PassThroughSlot) {
        node.viewSlot.passThroughTo(this);
        return;
      }

      this.projections++;
      this.destinationSlot.addNode(view, node, projectionSource, index);
    };

    PassThroughSlot.prototype.removeView = function removeView(view, projectionSource) {
      this.projections--;
      this.destinationSlot.removeView(view, projectionSource);

      if (this.needsFallbackRendering) {
        this.renderFallbackContent(null, noNodes, projectionSource);
      }
    };

    PassThroughSlot.prototype.removeAll = function removeAll(projectionSource) {
      this.projections = 0;
      this.destinationSlot.removeAll(projectionSource);

      if (this.needsFallbackRendering) {
        this.renderFallbackContent(null, noNodes, projectionSource);
      }
    };

    PassThroughSlot.prototype.projectFrom = function projectFrom(view, projectionSource) {
      this.destinationSlot.projectFrom(view, projectionSource);
    };

    PassThroughSlot.prototype.created = function created(ownerView) {
      this.ownerView = ownerView;
    };

    PassThroughSlot.prototype.bind = function bind(view) {
      if (this.contentView) {
        this.contentView.bind(view.bindingContext, view.overrideContext);
      }
    };

    PassThroughSlot.prototype.attached = function attached() {
      if (this.contentView) {
        this.contentView.attached();
      }
    };

    PassThroughSlot.prototype.detached = function detached() {
      if (this.contentView) {
        this.contentView.detached();
      }
    };

    PassThroughSlot.prototype.unbind = function unbind() {
      if (this.contentView) {
        this.contentView.unbind();
      }
    };

    _createClass(PassThroughSlot, [{
      key: 'needsFallbackRendering',
      get: function get() {
        return this.fallbackFactory && this.projections === 0;
      }
    }]);

    return PassThroughSlot;
  }();

  var ShadowSlot = exports.ShadowSlot = function () {
    function ShadowSlot(anchor, name, fallbackFactory) {
      

      this.anchor = anchor;
      this.anchor.isContentProjectionSource = true;
      this.anchor.viewSlot = this;
      this.name = name;
      this.fallbackFactory = fallbackFactory;
      this.contentView = null;
      this.projections = 0;
      this.children = [];
      this.projectFromAnchors = null;
      this.destinationSlots = null;
    }

    ShadowSlot.prototype.addNode = function addNode(view, node, projectionSource, index, destination) {
      if (this.contentView !== null) {
        this.contentView.removeNodes();
        this.contentView.detached();
        this.contentView.unbind();
        this.contentView = null;
      }

      if (node.viewSlot instanceof PassThroughSlot) {
        node.viewSlot.passThroughTo(this);
        return;
      }

      if (this.destinationSlots !== null) {
        ShadowDOM.distributeNodes(view, [node], this.destinationSlots, this, index);
      } else {
        node.auOwnerView = view;
        node.auProjectionSource = projectionSource;
        node.auAssignedSlot = this;

        var anchor = this._findAnchor(view, node, projectionSource, index);
        var parent = anchor.parentNode;

        parent.insertBefore(node, anchor);
        this.children.push(node);
        this.projections++;
      }
    };

    ShadowSlot.prototype.removeView = function removeView(view, projectionSource) {
      if (this.destinationSlots !== null) {
        ShadowDOM.undistributeView(view, this.destinationSlots, this);
      } else if (this.contentView && this.contentView.hasSlots) {
        ShadowDOM.undistributeView(view, this.contentView.slots, projectionSource);
      } else {
        var found = this.children.find(function (x) {
          return x.auSlotProjectFrom === projectionSource;
        });
        if (found) {
          var _children = found.auProjectionChildren;

          for (var i = 0, ii = _children.length; i < ii; ++i) {
            var _child = _children[i];

            if (_child.auOwnerView === view) {
              _children.splice(i, 1);
              view.fragment.appendChild(_child);
              i--;ii--;
              this.projections--;
            }
          }

          if (this.needsFallbackRendering) {
            this.renderFallbackContent(view, noNodes, projectionSource);
          }
        }
      }
    };

    ShadowSlot.prototype.removeAll = function removeAll(projectionSource) {
      if (this.destinationSlots !== null) {
        ShadowDOM.undistributeAll(this.destinationSlots, this);
      } else if (this.contentView && this.contentView.hasSlots) {
        ShadowDOM.undistributeAll(this.contentView.slots, projectionSource);
      } else {
        var found = this.children.find(function (x) {
          return x.auSlotProjectFrom === projectionSource;
        });

        if (found) {
          var _children2 = found.auProjectionChildren;
          for (var i = 0, ii = _children2.length; i < ii; ++i) {
            var _child2 = _children2[i];
            _child2.auOwnerView.fragment.appendChild(_child2);
            this.projections--;
          }

          found.auProjectionChildren = [];

          if (this.needsFallbackRendering) {
            this.renderFallbackContent(null, noNodes, projectionSource);
          }
        }
      }
    };

    ShadowSlot.prototype._findAnchor = function _findAnchor(view, node, projectionSource, index) {
      if (projectionSource) {
        var found = this.children.find(function (x) {
          return x.auSlotProjectFrom === projectionSource;
        });
        if (found) {
          if (index !== undefined) {
            var _children3 = found.auProjectionChildren;
            var viewIndex = -1;
            var lastView = void 0;

            for (var i = 0, ii = _children3.length; i < ii; ++i) {
              var current = _children3[i];

              if (current.auOwnerView !== lastView) {
                viewIndex++;
                lastView = current.auOwnerView;

                if (viewIndex >= index && lastView !== view) {
                  _children3.splice(i, 0, node);
                  return current;
                }
              }
            }
          }

          found.auProjectionChildren.push(node);
          return found;
        }
      }

      return this.anchor;
    };

    ShadowSlot.prototype.projectTo = function projectTo(slots) {
      this.destinationSlots = slots;
    };

    ShadowSlot.prototype.projectFrom = function projectFrom(view, projectionSource) {
      var anchor = _aureliaPal.DOM.createComment('anchor');
      var parent = this.anchor.parentNode;
      anchor.auSlotProjectFrom = projectionSource;
      anchor.auOwnerView = view;
      anchor.auProjectionChildren = [];
      parent.insertBefore(anchor, this.anchor);
      this.children.push(anchor);

      if (this.projectFromAnchors === null) {
        this.projectFromAnchors = [];
      }

      this.projectFromAnchors.push(anchor);
    };

    ShadowSlot.prototype.renderFallbackContent = function renderFallbackContent(view, nodes, projectionSource, index) {
      if (this.contentView === null) {
        this.contentView = this.fallbackFactory.create(this.ownerView.container);
        this.contentView.bind(this.ownerView.bindingContext, this.ownerView.overrideContext);
        this.contentView.insertNodesBefore(this.anchor);
      }

      if (this.contentView.hasSlots) {
        var slots = this.contentView.slots;
        var projectFromAnchors = this.projectFromAnchors;

        if (projectFromAnchors !== null) {
          for (var slotName in slots) {
            var slot = slots[slotName];

            for (var i = 0, ii = projectFromAnchors.length; i < ii; ++i) {
              var anchor = projectFromAnchors[i];
              slot.projectFrom(anchor.auOwnerView, anchor.auSlotProjectFrom);
            }
          }
        }

        this.fallbackSlots = slots;
        ShadowDOM.distributeNodes(view, nodes, slots, projectionSource, index);
      }
    };

    ShadowSlot.prototype.created = function created(ownerView) {
      this.ownerView = ownerView;
    };

    ShadowSlot.prototype.bind = function bind(view) {
      if (this.contentView) {
        this.contentView.bind(view.bindingContext, view.overrideContext);
      }
    };

    ShadowSlot.prototype.attached = function attached() {
      if (this.contentView) {
        this.contentView.attached();
      }
    };

    ShadowSlot.prototype.detached = function detached() {
      if (this.contentView) {
        this.contentView.detached();
      }
    };

    ShadowSlot.prototype.unbind = function unbind() {
      if (this.contentView) {
        this.contentView.unbind();
      }
    };

    _createClass(ShadowSlot, [{
      key: 'needsFallbackRendering',
      get: function get() {
        return this.fallbackFactory && this.projections === 0;
      }
    }]);

    return ShadowSlot;
  }();

  var ShadowDOM = exports.ShadowDOM = (_temp3 = _class9 = function () {
    function ShadowDOM() {
      
    }

    ShadowDOM.getSlotName = function getSlotName(node) {
      if (node.auSlotAttribute === undefined) {
        return ShadowDOM.defaultSlotKey;
      }

      return node.auSlotAttribute.value;
    };

    ShadowDOM.distributeView = function distributeView(view, slots, projectionSource, index, destinationOverride) {
      var nodes = void 0;

      if (view === null) {
        nodes = noNodes;
      } else {
        var childNodes = view.fragment.childNodes;
        var ii = childNodes.length;
        nodes = new Array(ii);

        for (var i = 0; i < ii; ++i) {
          nodes[i] = childNodes[i];
        }
      }

      ShadowDOM.distributeNodes(view, nodes, slots, projectionSource, index, destinationOverride);
    };

    ShadowDOM.undistributeView = function undistributeView(view, slots, projectionSource) {
      for (var slotName in slots) {
        slots[slotName].removeView(view, projectionSource);
      }
    };

    ShadowDOM.undistributeAll = function undistributeAll(slots, projectionSource) {
      for (var slotName in slots) {
        slots[slotName].removeAll(projectionSource);
      }
    };

    ShadowDOM.distributeNodes = function distributeNodes(view, nodes, slots, projectionSource, index, destinationOverride) {
      for (var i = 0, ii = nodes.length; i < ii; ++i) {
        var currentNode = nodes[i];
        var nodeType = currentNode.nodeType;

        if (currentNode.isContentProjectionSource) {
          currentNode.viewSlot.projectTo(slots);

          for (var slotName in slots) {
            slots[slotName].projectFrom(view, currentNode.viewSlot);
          }

          nodes.splice(i, 1);
          ii--;i--;
        } else if (nodeType === 1 || nodeType === 3 || currentNode.viewSlot instanceof PassThroughSlot) {
          if (nodeType === 3 && _isAllWhitespace(currentNode)) {
            nodes.splice(i, 1);
            ii--;i--;
          } else {
            var found = slots[destinationOverride || ShadowDOM.getSlotName(currentNode)];

            if (found) {
              found.addNode(view, currentNode, projectionSource, index);
              nodes.splice(i, 1);
              ii--;i--;
            }
          }
        } else {
          nodes.splice(i, 1);
          ii--;i--;
        }
      }

      for (var _slotName in slots) {
        var slot = slots[_slotName];

        if (slot.needsFallbackRendering) {
          slot.renderFallbackContent(view, nodes, projectionSource, index);
        }
      }
    };

    return ShadowDOM;
  }(), _class9.defaultSlotKey = '__au-default-slot-key__', _temp3);


  function register(lookup, name, resource, type) {
    if (!name) {
      return;
    }

    var existing = lookup[name];
    if (existing) {
      if (existing !== resource) {
        throw new Error('Attempted to register ' + type + ' when one with the same name already exists. Name: ' + name + '.');
      }

      return;
    }

    lookup[name] = resource;
  }

  var ViewResources = exports.ViewResources = function () {
    function ViewResources(parent, viewUrl) {
      

      this.bindingLanguage = null;

      this.parent = parent || null;
      this.hasParent = this.parent !== null;
      this.viewUrl = viewUrl || '';
      this.lookupFunctions = {
        valueConverters: this.getValueConverter.bind(this),
        bindingBehaviors: this.getBindingBehavior.bind(this)
      };
      this.attributes = Object.create(null);
      this.elements = Object.create(null);
      this.valueConverters = Object.create(null);
      this.bindingBehaviors = Object.create(null);
      this.attributeMap = Object.create(null);
      this.values = Object.create(null);
      this.beforeCompile = this.afterCompile = this.beforeCreate = this.afterCreate = this.beforeBind = this.beforeUnbind = false;
    }

    ViewResources.prototype._tryAddHook = function _tryAddHook(obj, name) {
      if (typeof obj[name] === 'function') {
        var func = obj[name].bind(obj);
        var counter = 1;
        var callbackName = void 0;

        while (this[callbackName = name + counter.toString()] !== undefined) {
          counter++;
        }

        this[name] = true;
        this[callbackName] = func;
      }
    };

    ViewResources.prototype._invokeHook = function _invokeHook(name, one, two, three, four) {
      if (this.hasParent) {
        this.parent._invokeHook(name, one, two, three, four);
      }

      if (this[name]) {
        this[name + '1'](one, two, three, four);

        var callbackName = name + '2';
        if (this[callbackName]) {
          this[callbackName](one, two, three, four);

          callbackName = name + '3';
          if (this[callbackName]) {
            this[callbackName](one, two, three, four);

            var counter = 4;

            while (this[callbackName = name + counter.toString()] !== undefined) {
              this[callbackName](one, two, three, four);
              counter++;
            }
          }
        }
      }
    };

    ViewResources.prototype.registerViewEngineHooks = function registerViewEngineHooks(hooks) {
      this._tryAddHook(hooks, 'beforeCompile');
      this._tryAddHook(hooks, 'afterCompile');
      this._tryAddHook(hooks, 'beforeCreate');
      this._tryAddHook(hooks, 'afterCreate');
      this._tryAddHook(hooks, 'beforeBind');
      this._tryAddHook(hooks, 'beforeUnbind');
    };

    ViewResources.prototype.getBindingLanguage = function getBindingLanguage(bindingLanguageFallback) {
      return this.bindingLanguage || (this.bindingLanguage = bindingLanguageFallback);
    };

    ViewResources.prototype.patchInParent = function patchInParent(newParent) {
      var originalParent = this.parent;

      this.parent = newParent || null;
      this.hasParent = this.parent !== null;

      if (newParent.parent === null) {
        newParent.parent = originalParent;
        newParent.hasParent = originalParent !== null;
      }
    };

    ViewResources.prototype.relativeToView = function relativeToView(path) {
      return (0, _aureliaPath.relativeToFile)(path, this.viewUrl);
    };

    ViewResources.prototype.registerElement = function registerElement(tagName, behavior) {
      register(this.elements, tagName, behavior, 'an Element');
    };

    ViewResources.prototype.getElement = function getElement(tagName) {
      return this.elements[tagName] || (this.hasParent ? this.parent.getElement(tagName) : null);
    };

    ViewResources.prototype.mapAttribute = function mapAttribute(attribute) {
      return this.attributeMap[attribute] || (this.hasParent ? this.parent.mapAttribute(attribute) : null);
    };

    ViewResources.prototype.registerAttribute = function registerAttribute(attribute, behavior, knownAttribute) {
      this.attributeMap[attribute] = knownAttribute;
      register(this.attributes, attribute, behavior, 'an Attribute');
    };

    ViewResources.prototype.getAttribute = function getAttribute(attribute) {
      return this.attributes[attribute] || (this.hasParent ? this.parent.getAttribute(attribute) : null);
    };

    ViewResources.prototype.registerValueConverter = function registerValueConverter(name, valueConverter) {
      register(this.valueConverters, name, valueConverter, 'a ValueConverter');
    };

    ViewResources.prototype.getValueConverter = function getValueConverter(name) {
      return this.valueConverters[name] || (this.hasParent ? this.parent.getValueConverter(name) : null);
    };

    ViewResources.prototype.registerBindingBehavior = function registerBindingBehavior(name, bindingBehavior) {
      register(this.bindingBehaviors, name, bindingBehavior, 'a BindingBehavior');
    };

    ViewResources.prototype.getBindingBehavior = function getBindingBehavior(name) {
      return this.bindingBehaviors[name] || (this.hasParent ? this.parent.getBindingBehavior(name) : null);
    };

    ViewResources.prototype.registerValue = function registerValue(name, value) {
      register(this.values, name, value, 'a value');
    };

    ViewResources.prototype.getValue = function getValue(name) {
      return this.values[name] || (this.hasParent ? this.parent.getValue(name) : null);
    };

    return ViewResources;
  }();

  var View = exports.View = function () {
    function View(container, viewFactory, fragment, controllers, bindings, children, slots) {
      

      this.container = container;
      this.viewFactory = viewFactory;
      this.resources = viewFactory.resources;
      this.fragment = fragment;
      this.firstChild = fragment.firstChild;
      this.lastChild = fragment.lastChild;
      this.controllers = controllers;
      this.bindings = bindings;
      this.children = children;
      this.slots = slots;
      this.hasSlots = false;
      this.fromCache = false;
      this.isBound = false;
      this.isAttached = false;
      this.bindingContext = null;
      this.overrideContext = null;
      this.controller = null;
      this.viewModelScope = null;
      this.animatableElement = undefined;
      this._isUserControlled = false;
      this.contentView = null;

      for (var key in slots) {
        this.hasSlots = true;
        break;
      }
    }

    View.prototype.returnToCache = function returnToCache() {
      this.viewFactory.returnViewToCache(this);
    };

    View.prototype.created = function created() {
      var i = void 0;
      var ii = void 0;
      var controllers = this.controllers;

      for (i = 0, ii = controllers.length; i < ii; ++i) {
        controllers[i].created(this);
      }
    };

    View.prototype.bind = function bind(bindingContext, overrideContext, _systemUpdate) {
      var controllers = void 0;
      var bindings = void 0;
      var children = void 0;
      var i = void 0;
      var ii = void 0;

      if (_systemUpdate && this._isUserControlled) {
        return;
      }

      if (this.isBound) {
        if (this.bindingContext === bindingContext) {
          return;
        }

        this.unbind();
      }

      this.isBound = true;
      this.bindingContext = bindingContext;
      this.overrideContext = overrideContext || (0, _aureliaBinding.createOverrideContext)(bindingContext);

      this.resources._invokeHook('beforeBind', this);

      bindings = this.bindings;
      for (i = 0, ii = bindings.length; i < ii; ++i) {
        bindings[i].bind(this);
      }

      if (this.viewModelScope !== null) {
        bindingContext.bind(this.viewModelScope.bindingContext, this.viewModelScope.overrideContext);
        this.viewModelScope = null;
      }

      controllers = this.controllers;
      for (i = 0, ii = controllers.length; i < ii; ++i) {
        controllers[i].bind(this);
      }

      children = this.children;
      for (i = 0, ii = children.length; i < ii; ++i) {
        children[i].bind(bindingContext, overrideContext, true);
      }

      if (this.hasSlots) {
        ShadowDOM.distributeView(this.contentView, this.slots);
      }
    };

    View.prototype.addBinding = function addBinding(binding) {
      this.bindings.push(binding);

      if (this.isBound) {
        binding.bind(this);
      }
    };

    View.prototype.unbind = function unbind() {
      var controllers = void 0;
      var bindings = void 0;
      var children = void 0;
      var i = void 0;
      var ii = void 0;

      if (this.isBound) {
        this.isBound = false;
        this.resources._invokeHook('beforeUnbind', this);

        if (this.controller !== null) {
          this.controller.unbind();
        }

        bindings = this.bindings;
        for (i = 0, ii = bindings.length; i < ii; ++i) {
          bindings[i].unbind();
        }

        controllers = this.controllers;
        for (i = 0, ii = controllers.length; i < ii; ++i) {
          controllers[i].unbind();
        }

        children = this.children;
        for (i = 0, ii = children.length; i < ii; ++i) {
          children[i].unbind();
        }

        this.bindingContext = null;
        this.overrideContext = null;
      }
    };

    View.prototype.insertNodesBefore = function insertNodesBefore(refNode) {
      refNode.parentNode.insertBefore(this.fragment, refNode);
    };

    View.prototype.appendNodesTo = function appendNodesTo(parent) {
      parent.appendChild(this.fragment);
    };

    View.prototype.removeNodes = function removeNodes() {
      var fragment = this.fragment;
      var current = this.firstChild;
      var end = this.lastChild;
      var next = void 0;

      while (current) {
        next = current.nextSibling;
        fragment.appendChild(current);

        if (current === end) {
          break;
        }

        current = next;
      }
    };

    View.prototype.attached = function attached() {
      var controllers = void 0;
      var children = void 0;
      var i = void 0;
      var ii = void 0;

      if (this.isAttached) {
        return;
      }

      this.isAttached = true;

      if (this.controller !== null) {
        this.controller.attached();
      }

      controllers = this.controllers;
      for (i = 0, ii = controllers.length; i < ii; ++i) {
        controllers[i].attached();
      }

      children = this.children;
      for (i = 0, ii = children.length; i < ii; ++i) {
        children[i].attached();
      }
    };

    View.prototype.detached = function detached() {
      var controllers = void 0;
      var children = void 0;
      var i = void 0;
      var ii = void 0;

      if (this.isAttached) {
        this.isAttached = false;

        if (this.controller !== null) {
          this.controller.detached();
        }

        controllers = this.controllers;
        for (i = 0, ii = controllers.length; i < ii; ++i) {
          controllers[i].detached();
        }

        children = this.children;
        for (i = 0, ii = children.length; i < ii; ++i) {
          children[i].detached();
        }
      }
    };

    return View;
  }();

  function getAnimatableElement(view) {
    if (view.animatableElement !== undefined) {
      return view.animatableElement;
    }

    var current = view.firstChild;

    while (current && current.nodeType !== 1) {
      current = current.nextSibling;
    }

    if (current && current.nodeType === 1) {
      return view.animatableElement = current.classList.contains('au-animate') ? current : null;
    }

    return view.animatableElement = null;
  }

  var ViewSlot = exports.ViewSlot = function () {
    function ViewSlot(anchor, anchorIsContainer) {
      var animator = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : Animator.instance;

      

      this.anchor = anchor;
      this.anchorIsContainer = anchorIsContainer;
      this.bindingContext = null;
      this.overrideContext = null;
      this.animator = animator;
      this.children = [];
      this.isBound = false;
      this.isAttached = false;
      this.contentSelectors = null;
      anchor.viewSlot = this;
      anchor.isContentProjectionSource = false;
    }

    ViewSlot.prototype.animateView = function animateView(view) {
      var direction = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'enter';

      var animatableElement = getAnimatableElement(view);

      if (animatableElement !== null) {
        switch (direction) {
          case 'enter':
            return this.animator.enter(animatableElement);
          case 'leave':
            return this.animator.leave(animatableElement);
          default:
            throw new Error('Invalid animation direction: ' + direction);
        }
      }
    };

    ViewSlot.prototype.transformChildNodesIntoView = function transformChildNodesIntoView() {
      var parent = this.anchor;

      this.children.push({
        fragment: parent,
        firstChild: parent.firstChild,
        lastChild: parent.lastChild,
        returnToCache: function returnToCache() {},
        removeNodes: function removeNodes() {
          var last = void 0;

          while (last = parent.lastChild) {
            parent.removeChild(last);
          }
        },
        created: function created() {},
        bind: function bind() {},
        unbind: function unbind() {},
        attached: function attached() {},
        detached: function detached() {}
      });
    };

    ViewSlot.prototype.bind = function bind(bindingContext, overrideContext) {
      var i = void 0;
      var ii = void 0;
      var children = void 0;

      if (this.isBound) {
        if (this.bindingContext === bindingContext) {
          return;
        }

        this.unbind();
      }

      this.isBound = true;
      this.bindingContext = bindingContext = bindingContext || this.bindingContext;
      this.overrideContext = overrideContext = overrideContext || this.overrideContext;

      children = this.children;
      for (i = 0, ii = children.length; i < ii; ++i) {
        children[i].bind(bindingContext, overrideContext, true);
      }
    };

    ViewSlot.prototype.unbind = function unbind() {
      if (this.isBound) {
        var i = void 0;
        var ii = void 0;
        var _children4 = this.children;

        this.isBound = false;
        this.bindingContext = null;
        this.overrideContext = null;

        for (i = 0, ii = _children4.length; i < ii; ++i) {
          _children4[i].unbind();
        }
      }
    };

    ViewSlot.prototype.add = function add(view) {
      if (this.anchorIsContainer) {
        view.appendNodesTo(this.anchor);
      } else {
        view.insertNodesBefore(this.anchor);
      }

      this.children.push(view);

      if (this.isAttached) {
        view.attached();
        return this.animateView(view, 'enter');
      }
    };

    ViewSlot.prototype.insert = function insert(index, view) {
      var children = this.children;
      var length = children.length;

      if (index === 0 && length === 0 || index >= length) {
        return this.add(view);
      }

      view.insertNodesBefore(children[index].firstChild);
      children.splice(index, 0, view);

      if (this.isAttached) {
        view.attached();
        return this.animateView(view, 'enter');
      }
    };

    ViewSlot.prototype.move = function move(sourceIndex, targetIndex) {
      if (sourceIndex === targetIndex) {
        return;
      }

      var children = this.children;
      var view = children[sourceIndex];

      view.removeNodes();
      view.insertNodesBefore(children[targetIndex].firstChild);
      children.splice(sourceIndex, 1);
      children.splice(targetIndex, 0, view);
    };

    ViewSlot.prototype.remove = function remove(view, returnToCache, skipAnimation) {
      return this.removeAt(this.children.indexOf(view), returnToCache, skipAnimation);
    };

    ViewSlot.prototype.removeMany = function removeMany(viewsToRemove, returnToCache, skipAnimation) {
      var _this4 = this;

      var children = this.children;
      var ii = viewsToRemove.length;
      var i = void 0;
      var rmPromises = [];

      viewsToRemove.forEach(function (child) {
        if (skipAnimation) {
          child.removeNodes();
          return;
        }

        var animation = _this4.animateView(child, 'leave');
        if (animation) {
          rmPromises.push(animation.then(function () {
            return child.removeNodes();
          }));
        } else {
          child.removeNodes();
        }
      });

      var removeAction = function removeAction() {
        if (_this4.isAttached) {
          for (i = 0; i < ii; ++i) {
            viewsToRemove[i].detached();
          }
        }

        if (returnToCache) {
          for (i = 0; i < ii; ++i) {
            viewsToRemove[i].returnToCache();
          }
        }

        for (i = 0; i < ii; ++i) {
          var index = children.indexOf(viewsToRemove[i]);
          if (index >= 0) {
            children.splice(index, 1);
          }
        }
      };

      if (rmPromises.length > 0) {
        return Promise.all(rmPromises).then(function () {
          return removeAction();
        });
      }

      return removeAction();
    };

    ViewSlot.prototype.removeAt = function removeAt(index, returnToCache, skipAnimation) {
      var _this5 = this;

      var view = this.children[index];

      var removeAction = function removeAction() {
        index = _this5.children.indexOf(view);
        view.removeNodes();
        _this5.children.splice(index, 1);

        if (_this5.isAttached) {
          view.detached();
        }

        if (returnToCache) {
          view.returnToCache();
        }

        return view;
      };

      if (!skipAnimation) {
        var animation = this.animateView(view, 'leave');
        if (animation) {
          return animation.then(function () {
            return removeAction();
          });
        }
      }

      return removeAction();
    };

    ViewSlot.prototype.removeAll = function removeAll(returnToCache, skipAnimation) {
      var _this6 = this;

      var children = this.children;
      var ii = children.length;
      var i = void 0;
      var rmPromises = [];

      children.forEach(function (child) {
        if (skipAnimation) {
          child.removeNodes();
          return;
        }

        var animation = _this6.animateView(child, 'leave');
        if (animation) {
          rmPromises.push(animation.then(function () {
            return child.removeNodes();
          }));
        } else {
          child.removeNodes();
        }
      });

      var removeAction = function removeAction() {
        if (_this6.isAttached) {
          for (i = 0; i < ii; ++i) {
            children[i].detached();
          }
        }

        if (returnToCache) {
          for (i = 0; i < ii; ++i) {
            var _child3 = children[i];

            if (_child3) {
              _child3.returnToCache();
            }
          }
        }

        _this6.children = [];
      };

      if (rmPromises.length > 0) {
        return Promise.all(rmPromises).then(function () {
          return removeAction();
        });
      }

      return removeAction();
    };

    ViewSlot.prototype.attached = function attached() {
      var i = void 0;
      var ii = void 0;
      var children = void 0;
      var child = void 0;

      if (this.isAttached) {
        return;
      }

      this.isAttached = true;

      children = this.children;
      for (i = 0, ii = children.length; i < ii; ++i) {
        child = children[i];
        child.attached();
        this.animateView(child, 'enter');
      }
    };

    ViewSlot.prototype.detached = function detached() {
      var i = void 0;
      var ii = void 0;
      var children = void 0;

      if (this.isAttached) {
        this.isAttached = false;
        children = this.children;
        for (i = 0, ii = children.length; i < ii; ++i) {
          children[i].detached();
        }
      }
    };

    ViewSlot.prototype.projectTo = function projectTo(slots) {
      var _this7 = this;

      this.projectToSlots = slots;
      this.add = this._projectionAdd;
      this.insert = this._projectionInsert;
      this.move = this._projectionMove;
      this.remove = this._projectionRemove;
      this.removeAt = this._projectionRemoveAt;
      this.removeMany = this._projectionRemoveMany;
      this.removeAll = this._projectionRemoveAll;
      this.children.forEach(function (view) {
        return ShadowDOM.distributeView(view, slots, _this7);
      });
    };

    ViewSlot.prototype._projectionAdd = function _projectionAdd(view) {
      ShadowDOM.distributeView(view, this.projectToSlots, this);

      this.children.push(view);

      if (this.isAttached) {
        view.attached();
      }
    };

    ViewSlot.prototype._projectionInsert = function _projectionInsert(index, view) {
      if (index === 0 && !this.children.length || index >= this.children.length) {
        this.add(view);
      } else {
        ShadowDOM.distributeView(view, this.projectToSlots, this, index);

        this.children.splice(index, 0, view);

        if (this.isAttached) {
          view.attached();
        }
      }
    };

    ViewSlot.prototype._projectionMove = function _projectionMove(sourceIndex, targetIndex) {
      if (sourceIndex === targetIndex) {
        return;
      }

      var children = this.children;
      var view = children[sourceIndex];

      ShadowDOM.undistributeView(view, this.projectToSlots, this);
      ShadowDOM.distributeView(view, this.projectToSlots, this, targetIndex);

      children.splice(sourceIndex, 1);
      children.splice(targetIndex, 0, view);
    };

    ViewSlot.prototype._projectionRemove = function _projectionRemove(view, returnToCache) {
      ShadowDOM.undistributeView(view, this.projectToSlots, this);
      this.children.splice(this.children.indexOf(view), 1);

      if (this.isAttached) {
        view.detached();
      }
    };

    ViewSlot.prototype._projectionRemoveAt = function _projectionRemoveAt(index, returnToCache) {
      var view = this.children[index];

      ShadowDOM.undistributeView(view, this.projectToSlots, this);
      this.children.splice(index, 1);

      if (this.isAttached) {
        view.detached();
      }
    };

    ViewSlot.prototype._projectionRemoveMany = function _projectionRemoveMany(viewsToRemove, returnToCache) {
      var _this8 = this;

      viewsToRemove.forEach(function (view) {
        return _this8.remove(view, returnToCache);
      });
    };

    ViewSlot.prototype._projectionRemoveAll = function _projectionRemoveAll(returnToCache) {
      ShadowDOM.undistributeAll(this.projectToSlots, this);

      var children = this.children;

      if (this.isAttached) {
        for (var i = 0, ii = children.length; i < ii; ++i) {
          children[i].detached();
        }
      }

      this.children = [];
    };

    return ViewSlot;
  }();

  var ProviderResolver = (0, _aureliaDependencyInjection.resolver)(_class11 = function () {
    function ProviderResolver() {
      
    }

    ProviderResolver.prototype.get = function get(container, key) {
      var id = key.__providerId__;
      return id in container ? container[id] : container[id] = container.invoke(key);
    };

    return ProviderResolver;
  }()) || _class11;

  var providerResolverInstance = new ProviderResolver();

  function elementContainerGet(key) {
    if (key === _aureliaPal.DOM.Element) {
      return this.element;
    }

    if (key === BoundViewFactory) {
      if (this.boundViewFactory) {
        return this.boundViewFactory;
      }

      var factory = this.instruction.viewFactory;
      var _partReplacements = this.partReplacements;

      if (_partReplacements) {
        factory = _partReplacements[factory.part] || factory;
      }

      this.boundViewFactory = new BoundViewFactory(this, factory, _partReplacements);
      return this.boundViewFactory;
    }

    if (key === ViewSlot) {
      if (this.viewSlot === undefined) {
        this.viewSlot = new ViewSlot(this.element, this.instruction.anchorIsContainer);
        this.element.isContentProjectionSource = this.instruction.lifting;
        this.children.push(this.viewSlot);
      }

      return this.viewSlot;
    }

    if (key === ElementEvents) {
      return this.elementEvents || (this.elementEvents = new ElementEvents(this.element));
    }

    if (key === CompositionTransaction) {
      return this.compositionTransaction || (this.compositionTransaction = this.parent.get(key));
    }

    if (key === ViewResources) {
      return this.viewResources;
    }

    if (key === TargetInstruction) {
      return this.instruction;
    }

    return this.superGet(key);
  }

  function createElementContainer(parent, element, instruction, children, partReplacements, resources) {
    var container = parent.createChild();
    var providers = void 0;
    var i = void 0;

    container.element = element;
    container.instruction = instruction;
    container.children = children;
    container.viewResources = resources;
    container.partReplacements = partReplacements;

    providers = instruction.providers;
    i = providers.length;

    while (i--) {
      container._resolvers.set(providers[i], providerResolverInstance);
    }

    container.superGet = container.get;
    container.get = elementContainerGet;

    return container;
  }

  function hasAttribute(name) {
    return this._element.hasAttribute(name);
  }

  function getAttribute(name) {
    return this._element.getAttribute(name);
  }

  function setAttribute(name, value) {
    this._element.setAttribute(name, value);
  }

  function makeElementIntoAnchor(element, elementInstruction) {
    var anchor = _aureliaPal.DOM.createComment('anchor');

    if (elementInstruction) {
      var firstChild = element.firstChild;

      if (firstChild && firstChild.tagName === 'AU-CONTENT') {
        anchor.contentElement = firstChild;
      }

      anchor._element = element;

      anchor.hasAttribute = hasAttribute;
      anchor.getAttribute = getAttribute;
      anchor.setAttribute = setAttribute;
    }

    _aureliaPal.DOM.replaceNode(anchor, element);

    return anchor;
  }

  function applyInstructions(containers, element, instruction, controllers, bindings, children, shadowSlots, partReplacements, resources) {
    var behaviorInstructions = instruction.behaviorInstructions;
    var expressions = instruction.expressions;
    var elementContainer = void 0;
    var i = void 0;
    var ii = void 0;
    var current = void 0;
    var instance = void 0;

    if (instruction.contentExpression) {
      bindings.push(instruction.contentExpression.createBinding(element.nextSibling));
      element.nextSibling.auInterpolationTarget = true;
      element.parentNode.removeChild(element);
      return;
    }

    if (instruction.shadowSlot) {
      var commentAnchor = _aureliaPal.DOM.createComment('slot');
      var slot = void 0;

      if (instruction.slotDestination) {
        slot = new PassThroughSlot(commentAnchor, instruction.slotName, instruction.slotDestination, instruction.slotFallbackFactory);
      } else {
        slot = new ShadowSlot(commentAnchor, instruction.slotName, instruction.slotFallbackFactory);
      }

      _aureliaPal.DOM.replaceNode(commentAnchor, element);
      shadowSlots[instruction.slotName] = slot;
      controllers.push(slot);
      return;
    }

    if (behaviorInstructions.length) {
      if (!instruction.anchorIsContainer) {
        element = makeElementIntoAnchor(element, instruction.elementInstruction);
      }

      containers[instruction.injectorId] = elementContainer = createElementContainer(containers[instruction.parentInjectorId], element, instruction, children, partReplacements, resources);

      for (i = 0, ii = behaviorInstructions.length; i < ii; ++i) {
        current = behaviorInstructions[i];
        instance = current.type.create(elementContainer, current, element, bindings);
        controllers.push(instance);
      }
    }

    for (i = 0, ii = expressions.length; i < ii; ++i) {
      bindings.push(expressions[i].createBinding(element));
    }
  }

  function styleStringToObject(style, target) {
    var attributes = style.split(';');
    var firstIndexOfColon = void 0;
    var i = void 0;
    var current = void 0;
    var key = void 0;
    var value = void 0;

    target = target || {};

    for (i = 0; i < attributes.length; i++) {
      current = attributes[i];
      firstIndexOfColon = current.indexOf(':');
      key = current.substring(0, firstIndexOfColon).trim();
      value = current.substring(firstIndexOfColon + 1).trim();
      target[key] = value;
    }

    return target;
  }

  function styleObjectToString(obj) {
    var result = '';

    for (var key in obj) {
      result += key + ':' + obj[key] + ';';
    }

    return result;
  }

  function applySurrogateInstruction(container, element, instruction, controllers, bindings, children) {
    var behaviorInstructions = instruction.behaviorInstructions;
    var expressions = instruction.expressions;
    var providers = instruction.providers;
    var values = instruction.values;
    var i = void 0;
    var ii = void 0;
    var current = void 0;
    var instance = void 0;
    var currentAttributeValue = void 0;

    i = providers.length;
    while (i--) {
      container._resolvers.set(providers[i], providerResolverInstance);
    }

    for (var key in values) {
      currentAttributeValue = element.getAttribute(key);

      if (currentAttributeValue) {
        if (key === 'class') {
          element.setAttribute('class', currentAttributeValue + ' ' + values[key]);
        } else if (key === 'style') {
          var styleObject = styleStringToObject(values[key]);
          styleStringToObject(currentAttributeValue, styleObject);
          element.setAttribute('style', styleObjectToString(styleObject));
        }
      } else {
        element.setAttribute(key, values[key]);
      }
    }

    if (behaviorInstructions.length) {
      for (i = 0, ii = behaviorInstructions.length; i < ii; ++i) {
        current = behaviorInstructions[i];
        instance = current.type.create(container, current, element, bindings);

        if (instance.contentView) {
          children.push(instance.contentView);
        }

        controllers.push(instance);
      }
    }

    for (i = 0, ii = expressions.length; i < ii; ++i) {
      bindings.push(expressions[i].createBinding(element));
    }
  }

  var BoundViewFactory = exports.BoundViewFactory = function () {
    function BoundViewFactory(parentContainer, viewFactory, partReplacements) {
      

      this.parentContainer = parentContainer;
      this.viewFactory = viewFactory;
      this.factoryCreateInstruction = { partReplacements: partReplacements };
    }

    BoundViewFactory.prototype.create = function create() {
      var view = this.viewFactory.create(this.parentContainer.createChild(), this.factoryCreateInstruction);
      view._isUserControlled = true;
      return view;
    };

    BoundViewFactory.prototype.setCacheSize = function setCacheSize(size, doNotOverrideIfAlreadySet) {
      this.viewFactory.setCacheSize(size, doNotOverrideIfAlreadySet);
    };

    BoundViewFactory.prototype.getCachedView = function getCachedView() {
      return this.viewFactory.getCachedView();
    };

    BoundViewFactory.prototype.returnViewToCache = function returnViewToCache(view) {
      this.viewFactory.returnViewToCache(view);
    };

    _createClass(BoundViewFactory, [{
      key: 'isCaching',
      get: function get() {
        return this.viewFactory.isCaching;
      }
    }]);

    return BoundViewFactory;
  }();

  var ViewFactory = exports.ViewFactory = function () {
    function ViewFactory(template, instructions, resources) {
      

      this.isCaching = false;

      this.template = template;
      this.instructions = instructions;
      this.resources = resources;
      this.cacheSize = -1;
      this.cache = null;
    }

    ViewFactory.prototype.setCacheSize = function setCacheSize(size, doNotOverrideIfAlreadySet) {
      if (size) {
        if (size === '*') {
          size = Number.MAX_VALUE;
        } else if (typeof size === 'string') {
          size = parseInt(size, 10);
        }
      }

      if (this.cacheSize === -1 || !doNotOverrideIfAlreadySet) {
        this.cacheSize = size;
      }

      if (this.cacheSize > 0) {
        this.cache = [];
      } else {
        this.cache = null;
      }

      this.isCaching = this.cacheSize > 0;
    };

    ViewFactory.prototype.getCachedView = function getCachedView() {
      return this.cache !== null ? this.cache.pop() || null : null;
    };

    ViewFactory.prototype.returnViewToCache = function returnViewToCache(view) {
      if (view.isAttached) {
        view.detached();
      }

      if (view.isBound) {
        view.unbind();
      }

      if (this.cache !== null && this.cache.length < this.cacheSize) {
        view.fromCache = true;
        this.cache.push(view);
      }
    };

    ViewFactory.prototype.create = function create(container, createInstruction, element) {
      createInstruction = createInstruction || BehaviorInstruction.normal;

      var cachedView = this.getCachedView();
      if (cachedView !== null) {
        return cachedView;
      }

      var fragment = createInstruction.enhance ? this.template : this.template.cloneNode(true);
      var instructables = fragment.querySelectorAll('.au-target');
      var instructions = this.instructions;
      var resources = this.resources;
      var controllers = [];
      var bindings = [];
      var children = [];
      var shadowSlots = Object.create(null);
      var containers = { root: container };
      var partReplacements = createInstruction.partReplacements;
      var i = void 0;
      var ii = void 0;
      var view = void 0;
      var instructable = void 0;
      var instruction = void 0;

      this.resources._invokeHook('beforeCreate', this, container, fragment, createInstruction);

      if (element && this.surrogateInstruction !== null) {
        applySurrogateInstruction(container, element, this.surrogateInstruction, controllers, bindings, children);
      }

      if (createInstruction.enhance && fragment.hasAttribute('au-target-id')) {
        instructable = fragment;
        instruction = instructions[instructable.getAttribute('au-target-id')];
        applyInstructions(containers, instructable, instruction, controllers, bindings, children, shadowSlots, partReplacements, resources);
      }

      for (i = 0, ii = instructables.length; i < ii; ++i) {
        instructable = instructables[i];
        instruction = instructions[instructable.getAttribute('au-target-id')];
        applyInstructions(containers, instructable, instruction, controllers, bindings, children, shadowSlots, partReplacements, resources);
      }

      view = new View(container, this, fragment, controllers, bindings, children, shadowSlots);

      if (!createInstruction.initiatedByBehavior) {
        view.created();
      }

      this.resources._invokeHook('afterCreate', view);

      return view;
    };

    return ViewFactory;
  }();

  var nextInjectorId = 0;
  function getNextInjectorId() {
    return ++nextInjectorId;
  }

  var lastAUTargetID = 0;
  function getNextAUTargetID() {
    return (++lastAUTargetID).toString();
  }

  function makeIntoInstructionTarget(element) {
    var value = element.getAttribute('class');
    var auTargetID = getNextAUTargetID();

    element.setAttribute('class', value ? value + ' au-target' : 'au-target');
    element.setAttribute('au-target-id', auTargetID);

    return auTargetID;
  }

  function makeShadowSlot(compiler, resources, node, instructions, parentInjectorId) {
    var auShadowSlot = _aureliaPal.DOM.createElement('au-shadow-slot');
    _aureliaPal.DOM.replaceNode(auShadowSlot, node);

    var auTargetID = makeIntoInstructionTarget(auShadowSlot);
    var instruction = TargetInstruction.shadowSlot(parentInjectorId);

    instruction.slotName = node.getAttribute('name') || ShadowDOM.defaultSlotKey;
    instruction.slotDestination = node.getAttribute('slot');

    if (node.innerHTML.trim()) {
      var fragment = _aureliaPal.DOM.createDocumentFragment();
      var _child4 = void 0;

      while (_child4 = node.firstChild) {
        fragment.appendChild(_child4);
      }

      instruction.slotFallbackFactory = compiler.compile(fragment, resources);
    }

    instructions[auTargetID] = instruction;

    return auShadowSlot;
  }

  var ViewCompiler = exports.ViewCompiler = (_dec7 = (0, _aureliaDependencyInjection.inject)(BindingLanguage, ViewResources), _dec7(_class13 = function () {
    function ViewCompiler(bindingLanguage, resources) {
      

      this.bindingLanguage = bindingLanguage;
      this.resources = resources;
    }

    ViewCompiler.prototype.compile = function compile(source, resources, compileInstruction) {
      resources = resources || this.resources;
      compileInstruction = compileInstruction || ViewCompileInstruction.normal;
      source = typeof source === 'string' ? _aureliaPal.DOM.createTemplateFromMarkup(source) : source;

      var content = void 0;
      var part = void 0;
      var cacheSize = void 0;

      if (source.content) {
        part = source.getAttribute('part');
        cacheSize = source.getAttribute('view-cache');
        content = _aureliaPal.DOM.adoptNode(source.content);
      } else {
        content = source;
      }

      compileInstruction.targetShadowDOM = compileInstruction.targetShadowDOM && _aureliaPal.FEATURE.shadowDOM;
      resources._invokeHook('beforeCompile', content, resources, compileInstruction);

      var instructions = {};
      this._compileNode(content, resources, instructions, source, 'root', !compileInstruction.targetShadowDOM);

      var firstChild = content.firstChild;
      if (firstChild && firstChild.nodeType === 1) {
        var targetId = firstChild.getAttribute('au-target-id');
        if (targetId) {
          var ins = instructions[targetId];

          if (ins.shadowSlot || ins.lifting || ins.elementInstruction && !ins.elementInstruction.anchorIsContainer) {
            content.insertBefore(_aureliaPal.DOM.createComment('view'), firstChild);
          }
        }
      }

      var factory = new ViewFactory(content, instructions, resources);

      factory.surrogateInstruction = compileInstruction.compileSurrogate ? this._compileSurrogate(source, resources) : null;
      factory.part = part;

      if (cacheSize) {
        factory.setCacheSize(cacheSize);
      }

      resources._invokeHook('afterCompile', factory);

      return factory;
    };

    ViewCompiler.prototype._compileNode = function _compileNode(node, resources, instructions, parentNode, parentInjectorId, targetLightDOM) {
      switch (node.nodeType) {
        case 1:
          return this._compileElement(node, resources, instructions, parentNode, parentInjectorId, targetLightDOM);
        case 3:
          var expression = resources.getBindingLanguage(this.bindingLanguage).inspectTextContent(resources, node.wholeText);
          if (expression) {
            var marker = _aureliaPal.DOM.createElement('au-marker');
            var auTargetID = makeIntoInstructionTarget(marker);
            (node.parentNode || parentNode).insertBefore(marker, node);
            node.textContent = ' ';
            instructions[auTargetID] = TargetInstruction.contentExpression(expression);

            while (node.nextSibling && node.nextSibling.nodeType === 3) {
              (node.parentNode || parentNode).removeChild(node.nextSibling);
            }
          } else {
            while (node.nextSibling && node.nextSibling.nodeType === 3) {
              node = node.nextSibling;
            }
          }
          return node.nextSibling;
        case 11:
          var currentChild = node.firstChild;
          while (currentChild) {
            currentChild = this._compileNode(currentChild, resources, instructions, node, parentInjectorId, targetLightDOM);
          }
          break;
        default:
          break;
      }

      return node.nextSibling;
    };

    ViewCompiler.prototype._compileSurrogate = function _compileSurrogate(node, resources) {
      var tagName = node.tagName.toLowerCase();
      var attributes = node.attributes;
      var bindingLanguage = resources.getBindingLanguage(this.bindingLanguage);
      var knownAttribute = void 0;
      var property = void 0;
      var instruction = void 0;
      var i = void 0;
      var ii = void 0;
      var attr = void 0;
      var attrName = void 0;
      var attrValue = void 0;
      var info = void 0;
      var type = void 0;
      var expressions = [];
      var expression = void 0;
      var behaviorInstructions = [];
      var values = {};
      var hasValues = false;
      var providers = [];

      for (i = 0, ii = attributes.length; i < ii; ++i) {
        attr = attributes[i];
        attrName = attr.name;
        attrValue = attr.value;

        info = bindingLanguage.inspectAttribute(resources, tagName, attrName, attrValue);
        type = resources.getAttribute(info.attrName);

        if (type) {
          knownAttribute = resources.mapAttribute(info.attrName);
          if (knownAttribute) {
            property = type.attributes[knownAttribute];

            if (property) {
              info.defaultBindingMode = property.defaultBindingMode;

              if (!info.command && !info.expression) {
                info.command = property.hasOptions ? 'options' : null;
              }

              if (info.command && info.command !== 'options' && type.primaryProperty) {
                var primaryProperty = type.primaryProperty;
                attrName = info.attrName = primaryProperty.name;

                info.defaultBindingMode = primaryProperty.defaultBindingMode;
              }
            }
          }
        }

        instruction = bindingLanguage.createAttributeInstruction(resources, node, info, undefined, type);

        if (instruction) {
          if (instruction.alteredAttr) {
            type = resources.getAttribute(instruction.attrName);
          }

          if (instruction.discrete) {
            expressions.push(instruction);
          } else {
            if (type) {
              instruction.type = type;
              this._configureProperties(instruction, resources);

              if (type.liftsContent) {
                throw new Error('You cannot place a template controller on a surrogate element.');
              } else {
                behaviorInstructions.push(instruction);
              }
            } else {
              expressions.push(instruction.attributes[instruction.attrName]);
            }
          }
        } else {
          if (type) {
            instruction = BehaviorInstruction.attribute(attrName, type);
            instruction.attributes[resources.mapAttribute(attrName)] = attrValue;

            if (type.liftsContent) {
              throw new Error('You cannot place a template controller on a surrogate element.');
            } else {
              behaviorInstructions.push(instruction);
            }
          } else if (attrName !== 'id' && attrName !== 'part' && attrName !== 'replace-part') {
            hasValues = true;
            values[attrName] = attrValue;
          }
        }
      }

      if (expressions.length || behaviorInstructions.length || hasValues) {
        for (i = 0, ii = behaviorInstructions.length; i < ii; ++i) {
          instruction = behaviorInstructions[i];
          instruction.type.compile(this, resources, node, instruction);
          providers.push(instruction.type.target);
        }

        for (i = 0, ii = expressions.length; i < ii; ++i) {
          expression = expressions[i];
          if (expression.attrToRemove !== undefined) {
            node.removeAttribute(expression.attrToRemove);
          }
        }

        return TargetInstruction.surrogate(providers, behaviorInstructions, expressions, values);
      }

      return null;
    };

    ViewCompiler.prototype._compileElement = function _compileElement(node, resources, instructions, parentNode, parentInjectorId, targetLightDOM) {
      var tagName = node.tagName.toLowerCase();
      var attributes = node.attributes;
      var expressions = [];
      var expression = void 0;
      var behaviorInstructions = [];
      var providers = [];
      var bindingLanguage = resources.getBindingLanguage(this.bindingLanguage);
      var liftingInstruction = void 0;
      var viewFactory = void 0;
      var type = void 0;
      var elementInstruction = void 0;
      var elementProperty = void 0;
      var i = void 0;
      var ii = void 0;
      var attr = void 0;
      var attrName = void 0;
      var attrValue = void 0;
      var originalAttrName = void 0;
      var instruction = void 0;
      var info = void 0;
      var property = void 0;
      var knownAttribute = void 0;
      var auTargetID = void 0;
      var injectorId = void 0;

      if (tagName === 'slot') {
        if (targetLightDOM) {
          node = makeShadowSlot(this, resources, node, instructions, parentInjectorId);
        }
        return node.nextSibling;
      } else if (tagName === 'template') {
        if (!('content' in node)) {
          throw new Error('You cannot place a template element within ' + node.namespaceURI + ' namespace');
        }
        viewFactory = this.compile(node, resources);
        viewFactory.part = node.getAttribute('part');
      } else {
        type = resources.getElement(node.getAttribute('as-element') || tagName);
        if (type) {
          elementInstruction = BehaviorInstruction.element(node, type);
          type.processAttributes(this, resources, node, attributes, elementInstruction);
          behaviorInstructions.push(elementInstruction);
        }
      }

      for (i = 0, ii = attributes.length; i < ii; ++i) {
        attr = attributes[i];
        originalAttrName = attrName = attr.name;
        attrValue = attr.value;
        info = bindingLanguage.inspectAttribute(resources, tagName, attrName, attrValue);

        if (targetLightDOM && info.attrName === 'slot') {
          info.attrName = attrName = 'au-slot';
        }

        type = resources.getAttribute(info.attrName);
        elementProperty = null;

        if (type) {
          knownAttribute = resources.mapAttribute(info.attrName);
          if (knownAttribute) {
            property = type.attributes[knownAttribute];

            if (property) {
              info.defaultBindingMode = property.defaultBindingMode;

              if (!info.command && !info.expression) {
                info.command = property.hasOptions ? 'options' : null;
              }

              if (info.command && info.command !== 'options' && type.primaryProperty) {
                var primaryProperty = type.primaryProperty;
                attrName = info.attrName = primaryProperty.name;

                info.defaultBindingMode = primaryProperty.defaultBindingMode;
              }
            }
          }
        } else if (elementInstruction) {
          elementProperty = elementInstruction.type.attributes[info.attrName];
          if (elementProperty) {
            info.defaultBindingMode = elementProperty.defaultBindingMode;
          }
        }

        if (elementProperty) {
          instruction = bindingLanguage.createAttributeInstruction(resources, node, info, elementInstruction);
        } else {
          instruction = bindingLanguage.createAttributeInstruction(resources, node, info, undefined, type);
        }

        if (instruction) {
          if (instruction.alteredAttr) {
            type = resources.getAttribute(instruction.attrName);
          }

          if (instruction.discrete) {
            expressions.push(instruction);
          } else {
            if (type) {
              instruction.type = type;
              this._configureProperties(instruction, resources);

              if (type.liftsContent) {
                instruction.originalAttrName = originalAttrName;
                liftingInstruction = instruction;
                break;
              } else {
                behaviorInstructions.push(instruction);
              }
            } else if (elementProperty) {
              elementInstruction.attributes[info.attrName].targetProperty = elementProperty.name;
            } else {
              expressions.push(instruction.attributes[instruction.attrName]);
            }
          }
        } else {
          if (type) {
            instruction = BehaviorInstruction.attribute(attrName, type);
            instruction.attributes[resources.mapAttribute(attrName)] = attrValue;

            if (type.liftsContent) {
              instruction.originalAttrName = originalAttrName;
              liftingInstruction = instruction;
              break;
            } else {
              behaviorInstructions.push(instruction);
            }
          } else if (elementProperty) {
            elementInstruction.attributes[attrName] = attrValue;
          }
        }
      }

      if (liftingInstruction) {
        liftingInstruction.viewFactory = viewFactory;
        node = liftingInstruction.type.compile(this, resources, node, liftingInstruction, parentNode);
        auTargetID = makeIntoInstructionTarget(node);
        instructions[auTargetID] = TargetInstruction.lifting(parentInjectorId, liftingInstruction);
      } else {
        var skipContentProcessing = false;

        if (expressions.length || behaviorInstructions.length) {
          injectorId = behaviorInstructions.length ? getNextInjectorId() : false;

          for (i = 0, ii = behaviorInstructions.length; i < ii; ++i) {
            instruction = behaviorInstructions[i];
            instruction.type.compile(this, resources, node, instruction, parentNode);
            providers.push(instruction.type.target);
            skipContentProcessing = skipContentProcessing || instruction.skipContentProcessing;
          }

          for (i = 0, ii = expressions.length; i < ii; ++i) {
            expression = expressions[i];
            if (expression.attrToRemove !== undefined) {
              node.removeAttribute(expression.attrToRemove);
            }
          }

          auTargetID = makeIntoInstructionTarget(node);
          instructions[auTargetID] = TargetInstruction.normal(injectorId, parentInjectorId, providers, behaviorInstructions, expressions, elementInstruction);
        }

        if (skipContentProcessing) {
          return node.nextSibling;
        }

        var currentChild = node.firstChild;
        while (currentChild) {
          currentChild = this._compileNode(currentChild, resources, instructions, node, injectorId || parentInjectorId, targetLightDOM);
        }
      }

      return node.nextSibling;
    };

    ViewCompiler.prototype._configureProperties = function _configureProperties(instruction, resources) {
      var type = instruction.type;
      var attrName = instruction.attrName;
      var attributes = instruction.attributes;
      var property = void 0;
      var key = void 0;
      var value = void 0;

      var knownAttribute = resources.mapAttribute(attrName);
      if (knownAttribute && attrName in attributes && knownAttribute !== attrName) {
        attributes[knownAttribute] = attributes[attrName];
        delete attributes[attrName];
      }

      for (key in attributes) {
        value = attributes[key];

        if (value !== null && (typeof value === 'undefined' ? 'undefined' : _typeof(value)) === 'object') {
          property = type.attributes[key];

          if (property !== undefined) {
            value.targetProperty = property.name;
          } else {
            value.targetProperty = key;
          }
        }
      }
    };

    return ViewCompiler;
  }()) || _class13);

  var ResourceModule = exports.ResourceModule = function () {
    function ResourceModule(moduleId) {
      

      this.id = moduleId;
      this.moduleInstance = null;
      this.mainResource = null;
      this.resources = null;
      this.viewStrategy = null;
      this.isInitialized = false;
      this.onLoaded = null;
      this.loadContext = null;
    }

    ResourceModule.prototype.initialize = function initialize(container) {
      var current = this.mainResource;
      var resources = this.resources;
      var vs = this.viewStrategy;

      if (this.isInitialized) {
        return;
      }

      this.isInitialized = true;

      if (current !== undefined) {
        current.metadata.viewStrategy = vs;
        current.initialize(container);
      }

      for (var i = 0, ii = resources.length; i < ii; ++i) {
        current = resources[i];
        current.metadata.viewStrategy = vs;
        current.initialize(container);
      }
    };

    ResourceModule.prototype.register = function register(registry, name) {
      var main = this.mainResource;
      var resources = this.resources;

      if (main !== undefined) {
        main.register(registry, name);
        name = null;
      }

      for (var i = 0, ii = resources.length; i < ii; ++i) {
        resources[i].register(registry, name);
        name = null;
      }
    };

    ResourceModule.prototype.load = function load(container, loadContext) {
      if (this.onLoaded !== null) {
        return this.loadContext === loadContext ? Promise.resolve() : this.onLoaded;
      }

      var main = this.mainResource;
      var resources = this.resources;
      var loads = void 0;

      if (main !== undefined) {
        loads = new Array(resources.length + 1);
        loads[0] = main.load(container, loadContext);
        for (var i = 0, ii = resources.length; i < ii; ++i) {
          loads[i + 1] = resources[i].load(container, loadContext);
        }
      } else {
        loads = new Array(resources.length);
        for (var _i = 0, _ii = resources.length; _i < _ii; ++_i) {
          loads[_i] = resources[_i].load(container, loadContext);
        }
      }

      this.loadContext = loadContext;
      this.onLoaded = Promise.all(loads);
      return this.onLoaded;
    };

    return ResourceModule;
  }();

  var ResourceDescription = exports.ResourceDescription = function () {
    function ResourceDescription(key, exportedValue, resourceTypeMeta) {
      

      if (!resourceTypeMeta) {
        resourceTypeMeta = _aureliaMetadata.metadata.get(_aureliaMetadata.metadata.resource, exportedValue);

        if (!resourceTypeMeta) {
          resourceTypeMeta = new HtmlBehaviorResource();
          resourceTypeMeta.elementName = _hyphenate(key);
          _aureliaMetadata.metadata.define(_aureliaMetadata.metadata.resource, resourceTypeMeta, exportedValue);
        }
      }

      if (resourceTypeMeta instanceof HtmlBehaviorResource) {
        if (resourceTypeMeta.elementName === undefined) {
          resourceTypeMeta.elementName = _hyphenate(key);
        } else if (resourceTypeMeta.attributeName === undefined) {
          resourceTypeMeta.attributeName = _hyphenate(key);
        } else if (resourceTypeMeta.attributeName === null && resourceTypeMeta.elementName === null) {
          HtmlBehaviorResource.convention(key, resourceTypeMeta);
        }
      } else if (!resourceTypeMeta.name) {
        resourceTypeMeta.name = _hyphenate(key);
      }

      this.metadata = resourceTypeMeta;
      this.value = exportedValue;
    }

    ResourceDescription.prototype.initialize = function initialize(container) {
      this.metadata.initialize(container, this.value);
    };

    ResourceDescription.prototype.register = function register(registry, name) {
      this.metadata.register(registry, name);
    };

    ResourceDescription.prototype.load = function load(container, loadContext) {
      return this.metadata.load(container, this.value, loadContext);
    };

    return ResourceDescription;
  }();

  var ModuleAnalyzer = exports.ModuleAnalyzer = function () {
    function ModuleAnalyzer() {
      

      this.cache = Object.create(null);
    }

    ModuleAnalyzer.prototype.getAnalysis = function getAnalysis(moduleId) {
      return this.cache[moduleId];
    };

    ModuleAnalyzer.prototype.analyze = function analyze(moduleId, moduleInstance, mainResourceKey) {
      var mainResource = void 0;
      var fallbackValue = void 0;
      var fallbackKey = void 0;
      var resourceTypeMeta = void 0;
      var key = void 0;
      var exportedValue = void 0;
      var resources = [];
      var conventional = void 0;
      var vs = void 0;
      var resourceModule = void 0;

      resourceModule = this.cache[moduleId];
      if (resourceModule) {
        return resourceModule;
      }

      resourceModule = new ResourceModule(moduleId);
      this.cache[moduleId] = resourceModule;

      if (typeof moduleInstance === 'function') {
        moduleInstance = { 'default': moduleInstance };
      }

      if (mainResourceKey) {
        mainResource = new ResourceDescription(mainResourceKey, moduleInstance[mainResourceKey]);
      }

      for (key in moduleInstance) {
        exportedValue = moduleInstance[key];

        if (key === mainResourceKey || typeof exportedValue !== 'function') {
          continue;
        }

        resourceTypeMeta = _aureliaMetadata.metadata.get(_aureliaMetadata.metadata.resource, exportedValue);

        if (resourceTypeMeta) {
          if (resourceTypeMeta.attributeName === null && resourceTypeMeta.elementName === null) {
            HtmlBehaviorResource.convention(key, resourceTypeMeta);
          }

          if (resourceTypeMeta.attributeName === null && resourceTypeMeta.elementName === null) {
            resourceTypeMeta.elementName = _hyphenate(key);
          }

          if (!mainResource && resourceTypeMeta instanceof HtmlBehaviorResource && resourceTypeMeta.elementName !== null) {
            mainResource = new ResourceDescription(key, exportedValue, resourceTypeMeta);
          } else {
            resources.push(new ResourceDescription(key, exportedValue, resourceTypeMeta));
          }
        } else if (viewStrategy.decorates(exportedValue)) {
          vs = exportedValue;
        } else if (exportedValue instanceof _aureliaLoader.TemplateRegistryEntry) {
          vs = new TemplateRegistryViewStrategy(moduleId, exportedValue);
        } else {
          if (conventional = HtmlBehaviorResource.convention(key)) {
            if (conventional.elementName !== null && !mainResource) {
              mainResource = new ResourceDescription(key, exportedValue, conventional);
            } else {
              resources.push(new ResourceDescription(key, exportedValue, conventional));
            }

            _aureliaMetadata.metadata.define(_aureliaMetadata.metadata.resource, conventional, exportedValue);
          } else if (conventional = _aureliaBinding.ValueConverterResource.convention(key) || _aureliaBinding.BindingBehaviorResource.convention(key) || ViewEngineHooksResource.convention(key)) {
            resources.push(new ResourceDescription(key, exportedValue, conventional));
            _aureliaMetadata.metadata.define(_aureliaMetadata.metadata.resource, conventional, exportedValue);
          } else if (!fallbackValue) {
            fallbackValue = exportedValue;
            fallbackKey = key;
          }
        }
      }

      if (!mainResource && fallbackValue) {
        mainResource = new ResourceDescription(fallbackKey, fallbackValue);
      }

      resourceModule.moduleInstance = moduleInstance;
      resourceModule.mainResource = mainResource;
      resourceModule.resources = resources;
      resourceModule.viewStrategy = vs;

      return resourceModule;
    };

    return ModuleAnalyzer;
  }();

  var logger = LogManager.getLogger('templating');

  function ensureRegistryEntry(loader, urlOrRegistryEntry) {
    if (urlOrRegistryEntry instanceof _aureliaLoader.TemplateRegistryEntry) {
      return Promise.resolve(urlOrRegistryEntry);
    }

    return loader.loadTemplate(urlOrRegistryEntry);
  }

  var ProxyViewFactory = function () {
    function ProxyViewFactory(promise) {
      var _this9 = this;

      

      promise.then(function (x) {
        return _this9.viewFactory = x;
      });
    }

    ProxyViewFactory.prototype.create = function create(container, bindingContext, createInstruction, element) {
      return this.viewFactory.create(container, bindingContext, createInstruction, element);
    };

    ProxyViewFactory.prototype.setCacheSize = function setCacheSize(size, doNotOverrideIfAlreadySet) {
      this.viewFactory.setCacheSize(size, doNotOverrideIfAlreadySet);
    };

    ProxyViewFactory.prototype.getCachedView = function getCachedView() {
      return this.viewFactory.getCachedView();
    };

    ProxyViewFactory.prototype.returnViewToCache = function returnViewToCache(view) {
      this.viewFactory.returnViewToCache(view);
    };

    _createClass(ProxyViewFactory, [{
      key: 'isCaching',
      get: function get() {
        return this.viewFactory.isCaching;
      }
    }]);

    return ProxyViewFactory;
  }();

  var auSlotBehavior = null;

  var ViewEngine = exports.ViewEngine = (_dec8 = (0, _aureliaDependencyInjection.inject)(_aureliaLoader.Loader, _aureliaDependencyInjection.Container, ViewCompiler, ModuleAnalyzer, ViewResources), _dec8(_class14 = (_temp4 = _class15 = function () {
    function ViewEngine(loader, container, viewCompiler, moduleAnalyzer, appResources) {
      

      this.loader = loader;
      this.container = container;
      this.viewCompiler = viewCompiler;
      this.moduleAnalyzer = moduleAnalyzer;
      this.appResources = appResources;
      this._pluginMap = {};

      if (auSlotBehavior === null) {
        auSlotBehavior = new HtmlBehaviorResource();
        auSlotBehavior.attributeName = 'au-slot';
        _aureliaMetadata.metadata.define(_aureliaMetadata.metadata.resource, auSlotBehavior, SlotCustomAttribute);
      }

      auSlotBehavior.initialize(container, SlotCustomAttribute);
      auSlotBehavior.register(appResources);
    }

    ViewEngine.prototype.addResourcePlugin = function addResourcePlugin(extension, implementation) {
      var name = extension.replace('.', '') + '-resource-plugin';
      this._pluginMap[extension] = name;
      this.loader.addPlugin(name, implementation);
    };

    ViewEngine.prototype.loadViewFactory = function loadViewFactory(urlOrRegistryEntry, compileInstruction, loadContext, target) {
      var _this10 = this;

      loadContext = loadContext || new ResourceLoadContext();

      return ensureRegistryEntry(this.loader, urlOrRegistryEntry).then(function (registryEntry) {
        var url = registryEntry.address;

        if (registryEntry.onReady) {
          if (!loadContext.hasDependency(url)) {
            loadContext.addDependency(url);
            return registryEntry.onReady;
          }

          if (registryEntry.template === null) {
            return registryEntry.onReady;
          }

          return Promise.resolve(new ProxyViewFactory(registryEntry.onReady));
        }

        loadContext.addDependency(url);

        registryEntry.onReady = _this10.loadTemplateResources(registryEntry, compileInstruction, loadContext, target).then(function (resources) {
          registryEntry.resources = resources;

          if (registryEntry.template === null) {
            return registryEntry.factory = null;
          }

          var viewFactory = _this10.viewCompiler.compile(registryEntry.template, resources, compileInstruction);
          return registryEntry.factory = viewFactory;
        });

        return registryEntry.onReady;
      });
    };

    ViewEngine.prototype.loadTemplateResources = function loadTemplateResources(registryEntry, compileInstruction, loadContext, target) {
      var resources = new ViewResources(this.appResources, registryEntry.address);
      var dependencies = registryEntry.dependencies;
      var importIds = void 0;
      var names = void 0;

      compileInstruction = compileInstruction || ViewCompileInstruction.normal;

      if (dependencies.length === 0 && !compileInstruction.associatedModuleId) {
        return Promise.resolve(resources);
      }

      importIds = dependencies.map(function (x) {
        return x.src;
      });
      names = dependencies.map(function (x) {
        return x.name;
      });
      logger.debug('importing resources for ' + registryEntry.address, importIds);

      if (target) {
        var viewModelRequires = _aureliaMetadata.metadata.get(ViewEngine.viewModelRequireMetadataKey, target);
        if (viewModelRequires) {
          var templateImportCount = importIds.length;
          for (var i = 0, ii = viewModelRequires.length; i < ii; ++i) {
            var req = viewModelRequires[i];
            var importId = typeof req === 'function' ? _aureliaMetadata.Origin.get(req).moduleId : (0, _aureliaPath.relativeToFile)(req.src || req, registryEntry.address);

            if (importIds.indexOf(importId) === -1) {
              importIds.push(importId);
              names.push(req.as);
            }
          }
          logger.debug('importing ViewModel resources for ' + compileInstruction.associatedModuleId, importIds.slice(templateImportCount));
        }
      }

      return this.importViewResources(importIds, names, resources, compileInstruction, loadContext);
    };

    ViewEngine.prototype.importViewModelResource = function importViewModelResource(moduleImport, moduleMember) {
      var _this11 = this;

      return this.loader.loadModule(moduleImport).then(function (viewModelModule) {
        var normalizedId = _aureliaMetadata.Origin.get(viewModelModule).moduleId;
        var resourceModule = _this11.moduleAnalyzer.analyze(normalizedId, viewModelModule, moduleMember);

        if (!resourceModule.mainResource) {
          throw new Error('No view model found in module "' + moduleImport + '".');
        }

        resourceModule.initialize(_this11.container);

        return resourceModule.mainResource;
      });
    };

    ViewEngine.prototype.importViewResources = function importViewResources(moduleIds, names, resources, compileInstruction, loadContext) {
      var _this12 = this;

      loadContext = loadContext || new ResourceLoadContext();
      compileInstruction = compileInstruction || ViewCompileInstruction.normal;

      moduleIds = moduleIds.map(function (x) {
        return _this12._applyLoaderPlugin(x);
      });

      return this.loader.loadAllModules(moduleIds).then(function (imports) {
        var i = void 0;
        var ii = void 0;
        var analysis = void 0;
        var normalizedId = void 0;
        var current = void 0;
        var associatedModule = void 0;
        var container = _this12.container;
        var moduleAnalyzer = _this12.moduleAnalyzer;
        var allAnalysis = new Array(imports.length);

        for (i = 0, ii = imports.length; i < ii; ++i) {
          current = imports[i];
          normalizedId = _aureliaMetadata.Origin.get(current).moduleId;

          analysis = moduleAnalyzer.analyze(normalizedId, current);
          analysis.initialize(container);
          analysis.register(resources, names[i]);

          allAnalysis[i] = analysis;
        }

        if (compileInstruction.associatedModuleId) {
          associatedModule = moduleAnalyzer.getAnalysis(compileInstruction.associatedModuleId);

          if (associatedModule) {
            associatedModule.register(resources);
          }
        }

        for (i = 0, ii = allAnalysis.length; i < ii; ++i) {
          allAnalysis[i] = allAnalysis[i].load(container, loadContext);
        }

        return Promise.all(allAnalysis).then(function () {
          return resources;
        });
      });
    };

    ViewEngine.prototype._applyLoaderPlugin = function _applyLoaderPlugin(id) {
      var index = id.lastIndexOf('.');
      if (index !== -1) {
        var ext = id.substring(index);
        var pluginName = this._pluginMap[ext];

        if (pluginName === undefined) {
          return id;
        }

        return this.loader.applyPluginToUrl(id, pluginName);
      }

      return id;
    };

    return ViewEngine;
  }(), _class15.viewModelRequireMetadataKey = 'aurelia:view-model-require', _temp4)) || _class14);

  var Controller = exports.Controller = function () {
    function Controller(behavior, instruction, viewModel, container) {
      

      this.behavior = behavior;
      this.instruction = instruction;
      this.viewModel = viewModel;
      this.isAttached = false;
      this.view = null;
      this.isBound = false;
      this.scope = null;
      this.container = container;
      this.elementEvents = container.elementEvents || null;

      var observerLookup = behavior.observerLocator.getOrCreateObserversLookup(viewModel);
      var handlesBind = behavior.handlesBind;
      var attributes = instruction.attributes;
      var boundProperties = this.boundProperties = [];
      var properties = behavior.properties;
      var i = void 0;
      var ii = void 0;

      behavior._ensurePropertiesDefined(viewModel, observerLookup);

      for (i = 0, ii = properties.length; i < ii; ++i) {
        properties[i]._initialize(viewModel, observerLookup, attributes, handlesBind, boundProperties);
      }
    }

    Controller.prototype.created = function created(owningView) {
      if (this.behavior.handlesCreated) {
        this.viewModel.created(owningView, this.view);
      }
    };

    Controller.prototype.automate = function automate(overrideContext, owningView) {
      this.view.bindingContext = this.viewModel;
      this.view.overrideContext = overrideContext || (0, _aureliaBinding.createOverrideContext)(this.viewModel);
      this.view._isUserControlled = true;

      if (this.behavior.handlesCreated) {
        this.viewModel.created(owningView || null, this.view);
      }

      this.bind(this.view);
    };

    Controller.prototype.bind = function bind(scope) {
      var skipSelfSubscriber = this.behavior.handlesBind;
      var boundProperties = this.boundProperties;
      var i = void 0;
      var ii = void 0;
      var x = void 0;
      var observer = void 0;
      var selfSubscriber = void 0;

      if (this.isBound) {
        if (this.scope === scope) {
          return;
        }

        this.unbind();
      }

      this.isBound = true;
      this.scope = scope;

      for (i = 0, ii = boundProperties.length; i < ii; ++i) {
        x = boundProperties[i];
        observer = x.observer;
        selfSubscriber = observer.selfSubscriber;
        observer.publishing = false;

        if (skipSelfSubscriber) {
          observer.selfSubscriber = null;
        }

        x.binding.bind(scope);
        observer.call();

        observer.publishing = true;
        observer.selfSubscriber = selfSubscriber;
      }

      var overrideContext = void 0;
      if (this.view !== null) {
        if (skipSelfSubscriber) {
          this.view.viewModelScope = scope;
        }

        if (this.viewModel === scope.overrideContext.bindingContext) {
          overrideContext = scope.overrideContext;
        } else if (this.instruction.inheritBindingContext) {
          overrideContext = (0, _aureliaBinding.createOverrideContext)(this.viewModel, scope.overrideContext);
        } else {
          overrideContext = (0, _aureliaBinding.createOverrideContext)(this.viewModel);
          overrideContext.__parentOverrideContext = scope.overrideContext;
        }

        this.view.bind(this.viewModel, overrideContext);
      } else if (skipSelfSubscriber) {
        overrideContext = scope.overrideContext;

        if (scope.overrideContext.__parentOverrideContext !== undefined && this.viewModel.viewFactory && this.viewModel.viewFactory.factoryCreateInstruction.partReplacements) {
          overrideContext = Object.assign({}, scope.overrideContext);
          overrideContext.parentOverrideContext = scope.overrideContext.__parentOverrideContext;
        }
        this.viewModel.bind(scope.bindingContext, overrideContext);
      }
    };

    Controller.prototype.unbind = function unbind() {
      if (this.isBound) {
        var _boundProperties = this.boundProperties;
        var _i2 = void 0;
        var _ii2 = void 0;

        this.isBound = false;
        this.scope = null;

        if (this.view !== null) {
          this.view.unbind();
        }

        if (this.behavior.handlesUnbind) {
          this.viewModel.unbind();
        }

        if (this.elementEvents !== null) {
          this.elementEvents.disposeAll();
        }

        for (_i2 = 0, _ii2 = _boundProperties.length; _i2 < _ii2; ++_i2) {
          _boundProperties[_i2].binding.unbind();
        }
      }
    };

    Controller.prototype.attached = function attached() {
      if (this.isAttached) {
        return;
      }

      this.isAttached = true;

      if (this.behavior.handlesAttached) {
        this.viewModel.attached();
      }

      if (this.view !== null) {
        this.view.attached();
      }
    };

    Controller.prototype.detached = function detached() {
      if (this.isAttached) {
        this.isAttached = false;

        if (this.view !== null) {
          this.view.detached();
        }

        if (this.behavior.handlesDetached) {
          this.viewModel.detached();
        }
      }
    };

    return Controller;
  }();

  var BehaviorPropertyObserver = exports.BehaviorPropertyObserver = (_dec9 = (0, _aureliaBinding.subscriberCollection)(), _dec9(_class16 = function () {
    function BehaviorPropertyObserver(taskQueue, obj, propertyName, selfSubscriber, initialValue) {
      

      this.taskQueue = taskQueue;
      this.obj = obj;
      this.propertyName = propertyName;
      this.notqueued = true;
      this.publishing = false;
      this.selfSubscriber = selfSubscriber;
      this.currentValue = this.oldValue = initialValue;
    }

    BehaviorPropertyObserver.prototype.getValue = function getValue() {
      return this.currentValue;
    };

    BehaviorPropertyObserver.prototype.setValue = function setValue(newValue) {
      var oldValue = this.currentValue;

      if (oldValue !== newValue) {
        this.oldValue = oldValue;
        this.currentValue = newValue;

        if (this.publishing && this.notqueued) {
          if (this.taskQueue.flushing) {
            this.call();
          } else {
            this.notqueued = false;
            this.taskQueue.queueMicroTask(this);
          }
        }
      }
    };

    BehaviorPropertyObserver.prototype.call = function call() {
      var oldValue = this.oldValue;
      var newValue = this.currentValue;

      this.notqueued = true;

      if (newValue === oldValue) {
        return;
      }

      if (this.selfSubscriber) {
        this.selfSubscriber(newValue, oldValue);
      }

      this.callSubscribers(newValue, oldValue);
      this.oldValue = newValue;
    };

    BehaviorPropertyObserver.prototype.subscribe = function subscribe(context, callable) {
      this.addSubscriber(context, callable);
    };

    BehaviorPropertyObserver.prototype.unsubscribe = function unsubscribe(context, callable) {
      this.removeSubscriber(context, callable);
    };

    return BehaviorPropertyObserver;
  }()) || _class16);


  function getObserver(instance, name) {
    var lookup = instance.__observers__;

    if (lookup === undefined) {
      var ctor = Object.getPrototypeOf(instance).constructor;
      var _behavior = _aureliaMetadata.metadata.get(_aureliaMetadata.metadata.resource, ctor);
      if (!_behavior.isInitialized) {
        _behavior.initialize(_aureliaDependencyInjection.Container.instance || new _aureliaDependencyInjection.Container(), instance.constructor);
      }

      lookup = _behavior.observerLocator.getOrCreateObserversLookup(instance);
      _behavior._ensurePropertiesDefined(instance, lookup);
    }

    return lookup[name];
  }

  var BindableProperty = exports.BindableProperty = function () {
    function BindableProperty(nameOrConfig) {
      

      if (typeof nameOrConfig === 'string') {
        this.name = nameOrConfig;
      } else {
        Object.assign(this, nameOrConfig);
      }

      this.attribute = this.attribute || _hyphenate(this.name);
      if (this.defaultBindingMode === null || this.defaultBindingMode === undefined) {
        this.defaultBindingMode = _aureliaBinding.bindingMode.oneWay;
      }
      this.changeHandler = this.changeHandler || null;
      this.owner = null;
      this.descriptor = null;
    }

    BindableProperty.prototype.registerWith = function registerWith(target, behavior, descriptor) {
      behavior.properties.push(this);
      behavior.attributes[this.attribute] = this;
      this.owner = behavior;

      if (descriptor) {
        this.descriptor = descriptor;
        return this._configureDescriptor(descriptor);
      }

      return undefined;
    };

    BindableProperty.prototype._configureDescriptor = function _configureDescriptor(descriptor) {
      var name = this.name;

      descriptor.configurable = true;
      descriptor.enumerable = true;

      if ('initializer' in descriptor) {
        this.defaultValue = descriptor.initializer;
        delete descriptor.initializer;
        delete descriptor.writable;
      }

      if ('value' in descriptor) {
        this.defaultValue = descriptor.value;
        delete descriptor.value;
        delete descriptor.writable;
      }

      descriptor.get = function () {
        return getObserver(this, name).getValue();
      };

      descriptor.set = function (value) {
        getObserver(this, name).setValue(value);
      };

      descriptor.get.getObserver = function (obj) {
        return getObserver(obj, name);
      };

      return descriptor;
    };

    BindableProperty.prototype.defineOn = function defineOn(target, behavior) {
      var name = this.name;
      var handlerName = void 0;

      if (this.changeHandler === null) {
        handlerName = name + 'Changed';
        if (handlerName in target.prototype) {
          this.changeHandler = handlerName;
        }
      }

      if (this.descriptor === null) {
        Object.defineProperty(target.prototype, name, this._configureDescriptor(behavior, {}));
      }
    };

    BindableProperty.prototype.createObserver = function createObserver(viewModel) {
      var selfSubscriber = null;
      var defaultValue = this.defaultValue;
      var changeHandlerName = this.changeHandler;
      var name = this.name;
      var initialValue = void 0;

      if (this.hasOptions) {
        return undefined;
      }

      if (changeHandlerName in viewModel) {
        if ('propertyChanged' in viewModel) {
          selfSubscriber = function selfSubscriber(newValue, oldValue) {
            viewModel[changeHandlerName](newValue, oldValue);
            viewModel.propertyChanged(name, newValue, oldValue);
          };
        } else {
          selfSubscriber = function selfSubscriber(newValue, oldValue) {
            return viewModel[changeHandlerName](newValue, oldValue);
          };
        }
      } else if ('propertyChanged' in viewModel) {
        selfSubscriber = function selfSubscriber(newValue, oldValue) {
          return viewModel.propertyChanged(name, newValue, oldValue);
        };
      } else if (changeHandlerName !== null) {
        throw new Error('Change handler ' + changeHandlerName + ' was specified but not declared on the class.');
      }

      if (defaultValue !== undefined) {
        initialValue = typeof defaultValue === 'function' ? defaultValue.call(viewModel) : defaultValue;
      }

      return new BehaviorPropertyObserver(this.owner.taskQueue, viewModel, this.name, selfSubscriber, initialValue);
    };

    BindableProperty.prototype._initialize = function _initialize(viewModel, observerLookup, attributes, behaviorHandlesBind, boundProperties) {
      var selfSubscriber = void 0;
      var observer = void 0;
      var attribute = void 0;
      var defaultValue = this.defaultValue;

      if (this.isDynamic) {
        for (var key in attributes) {
          this._createDynamicProperty(viewModel, observerLookup, behaviorHandlesBind, key, attributes[key], boundProperties);
        }
      } else if (!this.hasOptions) {
        observer = observerLookup[this.name];

        if (attributes !== null) {
          selfSubscriber = observer.selfSubscriber;
          attribute = attributes[this.attribute];

          if (behaviorHandlesBind) {
            observer.selfSubscriber = null;
          }

          if (typeof attribute === 'string') {
            viewModel[this.name] = attribute;
            observer.call();
          } else if (attribute) {
            boundProperties.push({ observer: observer, binding: attribute.createBinding(viewModel) });
          } else if (defaultValue !== undefined) {
            observer.call();
          }

          observer.selfSubscriber = selfSubscriber;
        }

        observer.publishing = true;
      }
    };

    BindableProperty.prototype._createDynamicProperty = function _createDynamicProperty(viewModel, observerLookup, behaviorHandlesBind, name, attribute, boundProperties) {
      var changeHandlerName = name + 'Changed';
      var selfSubscriber = null;
      var observer = void 0;
      var info = void 0;

      if (changeHandlerName in viewModel) {
        if ('propertyChanged' in viewModel) {
          selfSubscriber = function selfSubscriber(newValue, oldValue) {
            viewModel[changeHandlerName](newValue, oldValue);
            viewModel.propertyChanged(name, newValue, oldValue);
          };
        } else {
          selfSubscriber = function selfSubscriber(newValue, oldValue) {
            return viewModel[changeHandlerName](newValue, oldValue);
          };
        }
      } else if ('propertyChanged' in viewModel) {
        selfSubscriber = function selfSubscriber(newValue, oldValue) {
          return viewModel.propertyChanged(name, newValue, oldValue);
        };
      }

      observer = observerLookup[name] = new BehaviorPropertyObserver(this.owner.taskQueue, viewModel, name, selfSubscriber);

      Object.defineProperty(viewModel, name, {
        configurable: true,
        enumerable: true,
        get: observer.getValue.bind(observer),
        set: observer.setValue.bind(observer)
      });

      if (behaviorHandlesBind) {
        observer.selfSubscriber = null;
      }

      if (typeof attribute === 'string') {
        viewModel[name] = attribute;
        observer.call();
      } else if (attribute) {
        info = { observer: observer, binding: attribute.createBinding(viewModel) };
        boundProperties.push(info);
      }

      observer.publishing = true;
      observer.selfSubscriber = selfSubscriber;
    };

    return BindableProperty;
  }();

  var lastProviderId = 0;

  function nextProviderId() {
    return ++lastProviderId;
  }

  function doProcessContent() {
    return true;
  }
  function doProcessAttributes() {}

  var HtmlBehaviorResource = exports.HtmlBehaviorResource = function () {
    function HtmlBehaviorResource() {
      

      this.elementName = null;
      this.attributeName = null;
      this.attributeDefaultBindingMode = undefined;
      this.liftsContent = false;
      this.targetShadowDOM = false;
      this.shadowDOMOptions = null;
      this.processAttributes = doProcessAttributes;
      this.processContent = doProcessContent;
      this.usesShadowDOM = false;
      this.childBindings = null;
      this.hasDynamicOptions = false;
      this.containerless = false;
      this.properties = [];
      this.attributes = {};
      this.isInitialized = false;
      this.primaryProperty = null;
    }

    HtmlBehaviorResource.convention = function convention(name, existing) {
      var behavior = void 0;

      if (name.endsWith('CustomAttribute')) {
        behavior = existing || new HtmlBehaviorResource();
        behavior.attributeName = _hyphenate(name.substring(0, name.length - 15));
      }

      if (name.endsWith('CustomElement')) {
        behavior = existing || new HtmlBehaviorResource();
        behavior.elementName = _hyphenate(name.substring(0, name.length - 13));
      }

      return behavior;
    };

    HtmlBehaviorResource.prototype.addChildBinding = function addChildBinding(behavior) {
      if (this.childBindings === null) {
        this.childBindings = [];
      }

      this.childBindings.push(behavior);
    };

    HtmlBehaviorResource.prototype.initialize = function initialize(container, target) {
      var proto = target.prototype;
      var properties = this.properties;
      var attributeName = this.attributeName;
      var attributeDefaultBindingMode = this.attributeDefaultBindingMode;
      var i = void 0;
      var ii = void 0;
      var current = void 0;

      if (this.isInitialized) {
        return;
      }

      this.isInitialized = true;
      target.__providerId__ = nextProviderId();

      this.observerLocator = container.get(_aureliaBinding.ObserverLocator);
      this.taskQueue = container.get(_aureliaTaskQueue.TaskQueue);

      this.target = target;
      this.usesShadowDOM = this.targetShadowDOM && _aureliaPal.FEATURE.shadowDOM;
      this.handlesCreated = 'created' in proto;
      this.handlesBind = 'bind' in proto;
      this.handlesUnbind = 'unbind' in proto;
      this.handlesAttached = 'attached' in proto;
      this.handlesDetached = 'detached' in proto;
      this.htmlName = this.elementName || this.attributeName;

      if (attributeName !== null) {
        if (properties.length === 0) {
          new BindableProperty({
            name: 'value',
            changeHandler: 'valueChanged' in proto ? 'valueChanged' : null,
            attribute: attributeName,
            defaultBindingMode: attributeDefaultBindingMode
          }).registerWith(target, this);
        }

        current = properties[0];

        if (properties.length === 1 && current.name === 'value') {
          current.isDynamic = current.hasOptions = this.hasDynamicOptions;
          current.defineOn(target, this);
        } else {
          for (i = 0, ii = properties.length; i < ii; ++i) {
            properties[i].defineOn(target, this);
            if (properties[i].primaryProperty) {
              if (this.primaryProperty) {
                throw new Error('Only one bindable property on a custom element can be defined as the default');
              }
              this.primaryProperty = properties[i];
            }
          }

          current = new BindableProperty({
            name: 'value',
            changeHandler: 'valueChanged' in proto ? 'valueChanged' : null,
            attribute: attributeName,
            defaultBindingMode: attributeDefaultBindingMode
          });

          current.hasOptions = true;
          current.registerWith(target, this);
        }
      } else {
        for (i = 0, ii = properties.length; i < ii; ++i) {
          properties[i].defineOn(target, this);
        }

        this._copyInheritedProperties(container, target);
      }
    };

    HtmlBehaviorResource.prototype.register = function register(registry, name) {
      var _this13 = this;

      if (this.attributeName !== null) {
        registry.registerAttribute(name || this.attributeName, this, this.attributeName);

        if (Array.isArray(this.aliases)) {
          this.aliases.forEach(function (alias) {
            registry.registerAttribute(alias, _this13, _this13.attributeName);
          });
        }
      }

      if (this.elementName !== null) {
        registry.registerElement(name || this.elementName, this);
      }
    };

    HtmlBehaviorResource.prototype.load = function load(container, target, loadContext, viewStrategy, transientView) {
      var _this14 = this;

      var options = void 0;

      if (this.elementName !== null) {
        viewStrategy = container.get(ViewLocator).getViewStrategy(viewStrategy || this.viewStrategy || target);
        options = new ViewCompileInstruction(this.targetShadowDOM, true);

        if (!viewStrategy.moduleId) {
          viewStrategy.moduleId = _aureliaMetadata.Origin.get(target).moduleId;
        }

        return viewStrategy.loadViewFactory(container.get(ViewEngine), options, loadContext, target).then(function (viewFactory) {
          if (!transientView || !_this14.viewFactory) {
            _this14.viewFactory = viewFactory;
          }

          return viewFactory;
        });
      }

      return Promise.resolve(this);
    };

    HtmlBehaviorResource.prototype.compile = function compile(compiler, resources, node, instruction, parentNode) {
      if (this.liftsContent) {
        if (!instruction.viewFactory) {
          var template = _aureliaPal.DOM.createElement('template');
          var fragment = _aureliaPal.DOM.createDocumentFragment();
          var cacheSize = node.getAttribute('view-cache');
          var part = node.getAttribute('part');

          node.removeAttribute(instruction.originalAttrName);
          _aureliaPal.DOM.replaceNode(template, node, parentNode);
          fragment.appendChild(node);
          instruction.viewFactory = compiler.compile(fragment, resources);

          if (part) {
            instruction.viewFactory.part = part;
            node.removeAttribute('part');
          }

          if (cacheSize) {
            instruction.viewFactory.setCacheSize(cacheSize);
            node.removeAttribute('view-cache');
          }

          node = template;
        }
      } else if (this.elementName !== null) {
        var _partReplacements2 = {};

        if (this.processContent(compiler, resources, node, instruction) && node.hasChildNodes()) {
          var currentChild = node.firstChild;
          var contentElement = this.usesShadowDOM ? null : _aureliaPal.DOM.createElement('au-content');
          var nextSibling = void 0;
          var toReplace = void 0;

          while (currentChild) {
            nextSibling = currentChild.nextSibling;

            if (currentChild.tagName === 'TEMPLATE' && (toReplace = currentChild.getAttribute('replace-part'))) {
              _partReplacements2[toReplace] = compiler.compile(currentChild, resources);
              _aureliaPal.DOM.removeNode(currentChild, parentNode);
              instruction.partReplacements = _partReplacements2;
            } else if (contentElement !== null) {
              if (currentChild.nodeType === 3 && _isAllWhitespace(currentChild)) {
                _aureliaPal.DOM.removeNode(currentChild, parentNode);
              } else {
                contentElement.appendChild(currentChild);
              }
            }

            currentChild = nextSibling;
          }

          if (contentElement !== null && contentElement.hasChildNodes()) {
            node.appendChild(contentElement);
          }

          instruction.skipContentProcessing = false;
        } else {
          instruction.skipContentProcessing = true;
        }
      } else if (!this.processContent(compiler, resources, node, instruction)) {
        instruction.skipContentProcessing = true;
      }

      return node;
    };

    HtmlBehaviorResource.prototype.create = function create(container, instruction, element, bindings) {
      var viewHost = void 0;
      var au = null;

      instruction = instruction || BehaviorInstruction.normal;
      element = element || null;
      bindings = bindings || null;

      if (this.elementName !== null && element) {
        if (this.usesShadowDOM) {
          viewHost = element.attachShadow(this.shadowDOMOptions);
          container.registerInstance(_aureliaPal.DOM.boundary, viewHost);
        } else {
          viewHost = element;
          if (this.targetShadowDOM) {
            container.registerInstance(_aureliaPal.DOM.boundary, viewHost);
          }
        }
      }

      if (element !== null) {
        element.au = au = element.au || {};
      }

      var viewModel = instruction.viewModel || container.get(this.target);
      var controller = new Controller(this, instruction, viewModel, container);
      var childBindings = this.childBindings;
      var viewFactory = void 0;

      if (this.liftsContent) {
        au.controller = controller;
      } else if (this.elementName !== null) {
        viewFactory = instruction.viewFactory || this.viewFactory;
        container.viewModel = viewModel;

        if (viewFactory) {
          controller.view = viewFactory.create(container, instruction, element);
        }

        if (element !== null) {
          au.controller = controller;

          if (controller.view) {
            if (!this.usesShadowDOM && (element.childNodes.length === 1 || element.contentElement)) {
              var contentElement = element.childNodes[0] || element.contentElement;
              controller.view.contentView = { fragment: contentElement };
              contentElement.parentNode && _aureliaPal.DOM.removeNode(contentElement);
            }

            if (instruction.anchorIsContainer) {
              if (childBindings !== null) {
                for (var _i3 = 0, _ii3 = childBindings.length; _i3 < _ii3; ++_i3) {
                  controller.view.addBinding(childBindings[_i3].create(element, viewModel, controller));
                }
              }

              controller.view.appendNodesTo(viewHost);
            } else {
              controller.view.insertNodesBefore(viewHost);
            }
          } else if (childBindings !== null) {
            for (var _i4 = 0, _ii4 = childBindings.length; _i4 < _ii4; ++_i4) {
              bindings.push(childBindings[_i4].create(element, viewModel, controller));
            }
          }
        } else if (controller.view) {
          controller.view.controller = controller;

          if (childBindings !== null) {
            for (var _i5 = 0, _ii5 = childBindings.length; _i5 < _ii5; ++_i5) {
              controller.view.addBinding(childBindings[_i5].create(instruction.host, viewModel, controller));
            }
          }
        } else if (childBindings !== null) {
          for (var _i6 = 0, _ii6 = childBindings.length; _i6 < _ii6; ++_i6) {
            bindings.push(childBindings[_i6].create(instruction.host, viewModel, controller));
          }
        }
      } else if (childBindings !== null) {
        for (var _i7 = 0, _ii7 = childBindings.length; _i7 < _ii7; ++_i7) {
          bindings.push(childBindings[_i7].create(element, viewModel, controller));
        }
      }

      if (au !== null) {
        au[this.htmlName] = controller;
      }

      if (instruction.initiatedByBehavior && viewFactory) {
        controller.view.created();
      }

      return controller;
    };

    HtmlBehaviorResource.prototype._ensurePropertiesDefined = function _ensurePropertiesDefined(instance, lookup) {
      var properties = void 0;
      var i = void 0;
      var ii = void 0;
      var observer = void 0;

      if ('__propertiesDefined__' in lookup) {
        return;
      }

      lookup.__propertiesDefined__ = true;
      properties = this.properties;

      for (i = 0, ii = properties.length; i < ii; ++i) {
        observer = properties[i].createObserver(instance);

        if (observer !== undefined) {
          lookup[observer.propertyName] = observer;
        }
      }
    };

    HtmlBehaviorResource.prototype._copyInheritedProperties = function _copyInheritedProperties(container, target) {
      var _this15 = this;

      var behavior = void 0;
      var derived = target;

      while (true) {
        var proto = Object.getPrototypeOf(target.prototype);
        target = proto && proto.constructor;
        if (!target) {
          return;
        }
        behavior = _aureliaMetadata.metadata.getOwn(_aureliaMetadata.metadata.resource, target);
        if (behavior) {
          break;
        }
      }
      behavior.initialize(container, target);

      var _loop = function _loop(_i8, _ii8) {
        var prop = behavior.properties[_i8];

        if (_this15.properties.some(function (p) {
          return p.name === prop.name;
        })) {
          return 'continue';
        }

        new BindableProperty(prop).registerWith(derived, _this15);
      };

      for (var _i8 = 0, _ii8 = behavior.properties.length; _i8 < _ii8; ++_i8) {
        var _ret2 = _loop(_i8, _ii8);

        if (_ret2 === 'continue') continue;
      }
    };

    return HtmlBehaviorResource;
  }();

  function createChildObserverDecorator(selectorOrConfig, all) {
    return function (target, key, descriptor) {
      var actualTarget = typeof key === 'string' ? target.constructor : target;
      var r = _aureliaMetadata.metadata.getOrCreateOwn(_aureliaMetadata.metadata.resource, HtmlBehaviorResource, actualTarget);

      if (typeof selectorOrConfig === 'string') {
        selectorOrConfig = {
          selector: selectorOrConfig,
          name: key
        };
      }

      if (descriptor) {
        descriptor.writable = true;
        descriptor.configurable = true;
      }

      selectorOrConfig.all = all;
      r.addChildBinding(new ChildObserver(selectorOrConfig));
    };
  }

  function children(selectorOrConfig) {
    return createChildObserverDecorator(selectorOrConfig, true);
  }

  function child(selectorOrConfig) {
    return createChildObserverDecorator(selectorOrConfig, false);
  }

  var ChildObserver = function () {
    function ChildObserver(config) {
      

      this.name = config.name;
      this.changeHandler = config.changeHandler || this.name + 'Changed';
      this.selector = config.selector;
      this.all = config.all;
    }

    ChildObserver.prototype.create = function create(viewHost, viewModel, controller) {
      return new ChildObserverBinder(this.selector, viewHost, this.name, viewModel, controller, this.changeHandler, this.all);
    };

    return ChildObserver;
  }();

  var noMutations = [];

  function trackMutation(groupedMutations, binder, record) {
    var mutations = groupedMutations.get(binder);

    if (!mutations) {
      mutations = [];
      groupedMutations.set(binder, mutations);
    }

    mutations.push(record);
  }

  function onChildChange(mutations, observer) {
    var binders = observer.binders;
    var bindersLength = binders.length;
    var groupedMutations = new Map();

    for (var _i9 = 0, _ii9 = mutations.length; _i9 < _ii9; ++_i9) {
      var record = mutations[_i9];
      var added = record.addedNodes;
      var removed = record.removedNodes;

      for (var j = 0, jj = removed.length; j < jj; ++j) {
        var node = removed[j];
        if (node.nodeType === 1) {
          for (var k = 0; k < bindersLength; ++k) {
            var binder = binders[k];
            if (binder.onRemove(node)) {
              trackMutation(groupedMutations, binder, record);
            }
          }
        }
      }

      for (var _j = 0, _jj = added.length; _j < _jj; ++_j) {
        var _node = added[_j];
        if (_node.nodeType === 1) {
          for (var _k = 0; _k < bindersLength; ++_k) {
            var _binder = binders[_k];
            if (_binder.onAdd(_node)) {
              trackMutation(groupedMutations, _binder, record);
            }
          }
        }
      }
    }

    groupedMutations.forEach(function (value, key) {
      if (key.changeHandler !== null) {
        key.viewModel[key.changeHandler](value);
      }
    });
  }

  var ChildObserverBinder = function () {
    function ChildObserverBinder(selector, viewHost, property, viewModel, controller, changeHandler, all) {
      

      this.selector = selector;
      this.viewHost = viewHost;
      this.property = property;
      this.viewModel = viewModel;
      this.controller = controller;
      this.changeHandler = changeHandler in viewModel ? changeHandler : null;
      this.usesShadowDOM = controller.behavior.usesShadowDOM;
      this.all = all;

      if (!this.usesShadowDOM && controller.view && controller.view.contentView) {
        this.contentView = controller.view.contentView;
      } else {
        this.contentView = null;
      }
    }

    ChildObserverBinder.prototype.matches = function matches(element) {
      if (element.matches(this.selector)) {
        if (this.contentView === null) {
          return true;
        }

        var contentView = this.contentView;
        var assignedSlot = element.auAssignedSlot;

        if (assignedSlot && assignedSlot.projectFromAnchors) {
          var anchors = assignedSlot.projectFromAnchors;

          for (var _i10 = 0, _ii10 = anchors.length; _i10 < _ii10; ++_i10) {
            if (anchors[_i10].auOwnerView === contentView) {
              return true;
            }
          }

          return false;
        }

        return element.auOwnerView === contentView;
      }

      return false;
    };

    ChildObserverBinder.prototype.bind = function bind(source) {
      var viewHost = this.viewHost;
      var viewModel = this.viewModel;
      var observer = viewHost.__childObserver__;

      if (!observer) {
        observer = viewHost.__childObserver__ = _aureliaPal.DOM.createMutationObserver(onChildChange);

        var options = {
          childList: true,
          subtree: !this.usesShadowDOM
        };

        observer.observe(viewHost, options);
        observer.binders = [];
      }

      observer.binders.push(this);

      if (this.usesShadowDOM) {
        var current = viewHost.firstElementChild;

        if (this.all) {
          var items = viewModel[this.property];
          if (!items) {
            items = viewModel[this.property] = [];
          } else {
            items.length = 0;
          }

          while (current) {
            if (this.matches(current)) {
              items.push(current.au && current.au.controller ? current.au.controller.viewModel : current);
            }

            current = current.nextElementSibling;
          }

          if (this.changeHandler !== null) {
            this.viewModel[this.changeHandler](noMutations);
          }
        } else {
          while (current) {
            if (this.matches(current)) {
              var value = current.au && current.au.controller ? current.au.controller.viewModel : current;
              this.viewModel[this.property] = value;

              if (this.changeHandler !== null) {
                this.viewModel[this.changeHandler](value);
              }

              break;
            }

            current = current.nextElementSibling;
          }
        }
      }
    };

    ChildObserverBinder.prototype.onRemove = function onRemove(element) {
      if (this.matches(element)) {
        var value = element.au && element.au.controller ? element.au.controller.viewModel : element;

        if (this.all) {
          var items = this.viewModel[this.property] || (this.viewModel[this.property] = []);
          var index = items.indexOf(value);

          if (index !== -1) {
            items.splice(index, 1);
          }

          return true;
        }

        return false;
      }

      return false;
    };

    ChildObserverBinder.prototype.onAdd = function onAdd(element) {
      if (this.matches(element)) {
        var value = element.au && element.au.controller ? element.au.controller.viewModel : element;

        if (this.all) {
          var items = this.viewModel[this.property] || (this.viewModel[this.property] = []);
          var index = 0;
          var prev = element.previousElementSibling;

          while (prev) {
            if (this.matches(prev)) {
              index++;
            }

            prev = prev.previousElementSibling;
          }

          items.splice(index, 0, value);
          return true;
        }

        this.viewModel[this.property] = value;

        if (this.changeHandler !== null) {
          this.viewModel[this.changeHandler](value);
        }
      }

      return false;
    };

    ChildObserverBinder.prototype.unbind = function unbind() {
      if (this.viewHost.__childObserver__) {
        this.viewHost.__childObserver__.disconnect();
        this.viewHost.__childObserver__ = null;
      }
    };

    return ChildObserverBinder;
  }();

  function remove(viewSlot, previous) {
    return Array.isArray(previous) ? viewSlot.removeMany(previous, true) : viewSlot.remove(previous, true);
  }

  var SwapStrategies = exports.SwapStrategies = {
    before: function before(viewSlot, previous, callback) {
      return previous === undefined ? callback() : callback().then(function () {
        return remove(viewSlot, previous);
      });
    },
    with: function _with(viewSlot, previous, callback) {
      return previous === undefined ? callback() : Promise.all([remove(viewSlot, previous), callback()]);
    },
    after: function after(viewSlot, previous, callback) {
      return Promise.resolve(viewSlot.removeAll(true)).then(callback);
    }
  };

  function tryActivateViewModel(context) {
    if (context.skipActivation || typeof context.viewModel.activate !== 'function') {
      return Promise.resolve();
    }

    return context.viewModel.activate(context.model) || Promise.resolve();
  }

  var CompositionEngine = exports.CompositionEngine = (_dec10 = (0, _aureliaDependencyInjection.inject)(ViewEngine, ViewLocator), _dec10(_class17 = function () {
    function CompositionEngine(viewEngine, viewLocator) {
      

      this.viewEngine = viewEngine;
      this.viewLocator = viewLocator;
    }

    CompositionEngine.prototype._swap = function _swap(context, view) {
      var swapStrategy = SwapStrategies[context.swapOrder] || SwapStrategies.after;
      var previousViews = context.viewSlot.children.slice();

      return swapStrategy(context.viewSlot, previousViews, function () {
        return Promise.resolve(context.viewSlot.add(view)).then(function () {
          if (context.currentController) {
            context.currentController.unbind();
          }
        });
      }).then(function () {
        if (context.compositionTransactionNotifier) {
          context.compositionTransactionNotifier.done();
        }
      });
    };

    CompositionEngine.prototype._createControllerAndSwap = function _createControllerAndSwap(context) {
      var _this16 = this;

      return this.createController(context).then(function (controller) {
        controller.automate(context.overrideContext, context.owningView);

        if (context.compositionTransactionOwnershipToken) {
          return context.compositionTransactionOwnershipToken.waitForCompositionComplete().then(function () {
            return _this16._swap(context, controller.view);
          }).then(function () {
            return controller;
          });
        }

        return _this16._swap(context, controller.view).then(function () {
          return controller;
        });
      });
    };

    CompositionEngine.prototype.createController = function createController(context) {
      var _this17 = this;

      var childContainer = void 0;
      var viewModel = void 0;
      var viewModelResource = void 0;
      var m = void 0;

      return this.ensureViewModel(context).then(tryActivateViewModel).then(function () {
        childContainer = context.childContainer;
        viewModel = context.viewModel;
        viewModelResource = context.viewModelResource;
        m = viewModelResource.metadata;

        var viewStrategy = _this17.viewLocator.getViewStrategy(context.view || viewModel);

        if (context.viewResources) {
          viewStrategy.makeRelativeTo(context.viewResources.viewUrl);
        }

        return m.load(childContainer, viewModelResource.value, null, viewStrategy, true);
      }).then(function (viewFactory) {
        return m.create(childContainer, BehaviorInstruction.dynamic(context.host, viewModel, viewFactory));
      });
    };

    CompositionEngine.prototype.ensureViewModel = function ensureViewModel(context) {
      var childContainer = context.childContainer = context.childContainer || context.container.createChild();

      if (typeof context.viewModel === 'string') {
        context.viewModel = context.viewResources ? context.viewResources.relativeToView(context.viewModel) : context.viewModel;

        return this.viewEngine.importViewModelResource(context.viewModel).then(function (viewModelResource) {
          childContainer.autoRegister(viewModelResource.value);

          if (context.host) {
            childContainer.registerInstance(_aureliaPal.DOM.Element, context.host);
          }

          context.viewModel = childContainer.viewModel = childContainer.get(viewModelResource.value);
          context.viewModelResource = viewModelResource;
          return context;
        });
      }

      var m = _aureliaMetadata.metadata.getOrCreateOwn(_aureliaMetadata.metadata.resource, HtmlBehaviorResource, context.viewModel.constructor);
      m.elementName = m.elementName || 'dynamic-element';
      m.initialize(context.container || childContainer, context.viewModel.constructor);
      context.viewModelResource = { metadata: m, value: context.viewModel.constructor };
      childContainer.viewModel = context.viewModel;
      return Promise.resolve(context);
    };

    CompositionEngine.prototype.compose = function compose(context) {
      var _this18 = this;

      context.childContainer = context.childContainer || context.container.createChild();
      context.view = this.viewLocator.getViewStrategy(context.view);

      var transaction = context.childContainer.get(CompositionTransaction);
      var compositionTransactionOwnershipToken = transaction.tryCapture();

      if (compositionTransactionOwnershipToken) {
        context.compositionTransactionOwnershipToken = compositionTransactionOwnershipToken;
      } else {
        context.compositionTransactionNotifier = transaction.enlist();
      }

      if (context.viewModel) {
        return this._createControllerAndSwap(context);
      } else if (context.view) {
        if (context.viewResources) {
          context.view.makeRelativeTo(context.viewResources.viewUrl);
        }

        return context.view.loadViewFactory(this.viewEngine, new ViewCompileInstruction()).then(function (viewFactory) {
          var result = viewFactory.create(context.childContainer);
          result.bind(context.bindingContext, context.overrideContext);

          if (context.compositionTransactionOwnershipToken) {
            return context.compositionTransactionOwnershipToken.waitForCompositionComplete().then(function () {
              return _this18._swap(context, result);
            }).then(function () {
              return result;
            });
          }

          return _this18._swap(context, result).then(function () {
            return result;
          });
        });
      } else if (context.viewSlot) {
        context.viewSlot.removeAll();

        if (context.compositionTransactionNotifier) {
          context.compositionTransactionNotifier.done();
        }

        return Promise.resolve(null);
      }

      return Promise.resolve(null);
    };

    return CompositionEngine;
  }()) || _class17);

  var ElementConfigResource = exports.ElementConfigResource = function () {
    function ElementConfigResource() {
      
    }

    ElementConfigResource.prototype.initialize = function initialize(container, target) {};

    ElementConfigResource.prototype.register = function register(registry, name) {};

    ElementConfigResource.prototype.load = function load(container, target) {
      var config = new target();
      var eventManager = container.get(_aureliaBinding.EventManager);
      eventManager.registerElementConfig(config);
    };

    return ElementConfigResource;
  }();

  function validateBehaviorName(name, type) {
    if (/[A-Z]/.test(name)) {
      var newName = _hyphenate(name);
      LogManager.getLogger('templating').warn('\'' + name + '\' is not a valid ' + type + ' name and has been converted to \'' + newName + '\'. Upper-case letters are not allowed because the DOM is not case-sensitive.');
      return newName;
    }
    return name;
  }

  function resource(instance) {
    return function (target) {
      _aureliaMetadata.metadata.define(_aureliaMetadata.metadata.resource, instance, target);
    };
  }

  function behavior(override) {
    return function (target) {
      if (override instanceof HtmlBehaviorResource) {
        _aureliaMetadata.metadata.define(_aureliaMetadata.metadata.resource, override, target);
      } else {
        var r = _aureliaMetadata.metadata.getOrCreateOwn(_aureliaMetadata.metadata.resource, HtmlBehaviorResource, target);
        Object.assign(r, override);
      }
    };
  }

  function customElement(name) {
    return function (target) {
      var r = _aureliaMetadata.metadata.getOrCreateOwn(_aureliaMetadata.metadata.resource, HtmlBehaviorResource, target);
      r.elementName = validateBehaviorName(name, 'custom element');
    };
  }

  function customAttribute(name, defaultBindingMode, aliases) {
    return function (target) {
      var r = _aureliaMetadata.metadata.getOrCreateOwn(_aureliaMetadata.metadata.resource, HtmlBehaviorResource, target);
      r.attributeName = validateBehaviorName(name, 'custom attribute');
      r.attributeDefaultBindingMode = defaultBindingMode;
      r.aliases = aliases;
    };
  }

  function templateController(target) {
    var deco = function deco(t) {
      var r = _aureliaMetadata.metadata.getOrCreateOwn(_aureliaMetadata.metadata.resource, HtmlBehaviorResource, t);
      r.liftsContent = true;
    };

    return target ? deco(target) : deco;
  }

  function bindable(nameOrConfigOrTarget, key, descriptor) {
    var deco = function deco(target, key2, descriptor2) {
      var actualTarget = key2 ? target.constructor : target;
      var r = _aureliaMetadata.metadata.getOrCreateOwn(_aureliaMetadata.metadata.resource, HtmlBehaviorResource, actualTarget);
      var prop = void 0;

      if (key2) {
        nameOrConfigOrTarget = nameOrConfigOrTarget || {};
        nameOrConfigOrTarget.name = key2;
      }

      prop = new BindableProperty(nameOrConfigOrTarget);
      return prop.registerWith(actualTarget, r, descriptor2);
    };

    if (!nameOrConfigOrTarget) {
      return deco;
    }

    if (key) {
      var _target = nameOrConfigOrTarget;
      nameOrConfigOrTarget = null;
      return deco(_target, key, descriptor);
    }

    return deco;
  }

  function dynamicOptions(target) {
    var deco = function deco(t) {
      var r = _aureliaMetadata.metadata.getOrCreateOwn(_aureliaMetadata.metadata.resource, HtmlBehaviorResource, t);
      r.hasDynamicOptions = true;
    };

    return target ? deco(target) : deco;
  }

  var defaultShadowDOMOptions = { mode: 'open' };
  function useShadowDOM(targetOrOptions) {
    var options = typeof targetOrOptions === 'function' || !targetOrOptions ? defaultShadowDOMOptions : targetOrOptions;

    var deco = function deco(t) {
      var r = _aureliaMetadata.metadata.getOrCreateOwn(_aureliaMetadata.metadata.resource, HtmlBehaviorResource, t);
      r.targetShadowDOM = true;
      r.shadowDOMOptions = options;
    };

    return typeof targetOrOptions === 'function' ? deco(targetOrOptions) : deco;
  }

  function processAttributes(processor) {
    return function (t) {
      var r = _aureliaMetadata.metadata.getOrCreateOwn(_aureliaMetadata.metadata.resource, HtmlBehaviorResource, t);
      r.processAttributes = function (compiler, resources, node, attributes, elementInstruction) {
        try {
          processor(compiler, resources, node, attributes, elementInstruction);
        } catch (error) {
          LogManager.getLogger('templating').error(error);
        }
      };
    };
  }

  function doNotProcessContent() {
    return false;
  }

  function processContent(processor) {
    return function (t) {
      var r = _aureliaMetadata.metadata.getOrCreateOwn(_aureliaMetadata.metadata.resource, HtmlBehaviorResource, t);
      r.processContent = processor ? function (compiler, resources, node, instruction) {
        try {
          return processor(compiler, resources, node, instruction);
        } catch (error) {
          LogManager.getLogger('templating').error(error);
          return false;
        }
      } : doNotProcessContent;
    };
  }

  function containerless(target) {
    var deco = function deco(t) {
      var r = _aureliaMetadata.metadata.getOrCreateOwn(_aureliaMetadata.metadata.resource, HtmlBehaviorResource, t);
      r.containerless = true;
    };

    return target ? deco(target) : deco;
  }

  function useViewStrategy(strategy) {
    return function (target) {
      _aureliaMetadata.metadata.define(ViewLocator.viewStrategyMetadataKey, strategy, target);
    };
  }

  function useView(path) {
    return useViewStrategy(new RelativeViewStrategy(path));
  }

  function inlineView(markup, dependencies, dependencyBaseUrl) {
    return useViewStrategy(new InlineViewStrategy(markup, dependencies, dependencyBaseUrl));
  }

  function noView(targetOrDependencies, dependencyBaseUrl) {
    var target = void 0;
    var dependencies = void 0;
    if (typeof targetOrDependencies === 'function') {
      target = targetOrDependencies;
    } else {
      dependencies = targetOrDependencies;
      target = undefined;
    }

    var deco = function deco(t) {
      _aureliaMetadata.metadata.define(ViewLocator.viewStrategyMetadataKey, new NoViewStrategy(dependencies, dependencyBaseUrl), t);
    };

    return target ? deco(target) : deco;
  }

  function elementConfig(target) {
    var deco = function deco(t) {
      _aureliaMetadata.metadata.define(_aureliaMetadata.metadata.resource, new ElementConfigResource(), t);
    };

    return target ? deco(target) : deco;
  }

  function viewResources() {
    for (var _len = arguments.length, resources = Array(_len), _key = 0; _key < _len; _key++) {
      resources[_key] = arguments[_key];
    }

    return function (target) {
      _aureliaMetadata.metadata.define(ViewEngine.viewModelRequireMetadataKey, resources, target);
    };
  }

  var TemplatingEngine = exports.TemplatingEngine = (_dec11 = (0, _aureliaDependencyInjection.inject)(_aureliaDependencyInjection.Container, ModuleAnalyzer, ViewCompiler, CompositionEngine), _dec11(_class18 = function () {
    function TemplatingEngine(container, moduleAnalyzer, viewCompiler, compositionEngine) {
      

      this._container = container;
      this._moduleAnalyzer = moduleAnalyzer;
      this._viewCompiler = viewCompiler;
      this._compositionEngine = compositionEngine;
      container.registerInstance(Animator, Animator.instance = new Animator());
    }

    TemplatingEngine.prototype.configureAnimator = function configureAnimator(animator) {
      this._container.unregister(Animator);
      this._container.registerInstance(Animator, Animator.instance = animator);
    };

    TemplatingEngine.prototype.compose = function compose(context) {
      return this._compositionEngine.compose(context);
    };

    TemplatingEngine.prototype.enhance = function enhance(instruction) {
      if (instruction instanceof _aureliaPal.DOM.Element) {
        instruction = { element: instruction };
      }

      var compilerInstructions = {};
      var resources = instruction.resources || this._container.get(ViewResources);

      this._viewCompiler._compileNode(instruction.element, resources, compilerInstructions, instruction.element.parentNode, 'root', true);

      var factory = new ViewFactory(instruction.element, compilerInstructions, resources);
      var container = instruction.container || this._container.createChild();
      var view = factory.create(container, BehaviorInstruction.enhance());

      view.bind(instruction.bindingContext || {}, instruction.overrideContext);

      view.firstChild = view.lastChild = view.fragment;
      view.fragment = _aureliaPal.DOM.createDocumentFragment();
      view.attached();

      return view;
    };

    return TemplatingEngine;
  }()) || _class18);
});
define('aurelia-framework',['exports', 'aurelia-dependency-injection', 'aurelia-binding', 'aurelia-metadata', 'aurelia-templating', 'aurelia-loader', 'aurelia-task-queue', 'aurelia-path', 'aurelia-pal', 'aurelia-logging'], function (exports, _aureliaDependencyInjection, _aureliaBinding, _aureliaMetadata, _aureliaTemplating, _aureliaLoader, _aureliaTaskQueue, _aureliaPath, _aureliaPal, _aureliaLogging) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.LogManager = exports.FrameworkConfiguration = exports.Aurelia = undefined;
  Object.keys(_aureliaDependencyInjection).forEach(function (key) {
    if (key === "default" || key === "__esModule") return;
    Object.defineProperty(exports, key, {
      enumerable: true,
      get: function () {
        return _aureliaDependencyInjection[key];
      }
    });
  });
  Object.keys(_aureliaBinding).forEach(function (key) {
    if (key === "default" || key === "__esModule") return;
    Object.defineProperty(exports, key, {
      enumerable: true,
      get: function () {
        return _aureliaBinding[key];
      }
    });
  });
  Object.keys(_aureliaMetadata).forEach(function (key) {
    if (key === "default" || key === "__esModule") return;
    Object.defineProperty(exports, key, {
      enumerable: true,
      get: function () {
        return _aureliaMetadata[key];
      }
    });
  });
  Object.keys(_aureliaTemplating).forEach(function (key) {
    if (key === "default" || key === "__esModule") return;
    Object.defineProperty(exports, key, {
      enumerable: true,
      get: function () {
        return _aureliaTemplating[key];
      }
    });
  });
  Object.keys(_aureliaLoader).forEach(function (key) {
    if (key === "default" || key === "__esModule") return;
    Object.defineProperty(exports, key, {
      enumerable: true,
      get: function () {
        return _aureliaLoader[key];
      }
    });
  });
  Object.keys(_aureliaTaskQueue).forEach(function (key) {
    if (key === "default" || key === "__esModule") return;
    Object.defineProperty(exports, key, {
      enumerable: true,
      get: function () {
        return _aureliaTaskQueue[key];
      }
    });
  });
  Object.keys(_aureliaPath).forEach(function (key) {
    if (key === "default" || key === "__esModule") return;
    Object.defineProperty(exports, key, {
      enumerable: true,
      get: function () {
        return _aureliaPath[key];
      }
    });
  });
  Object.keys(_aureliaPal).forEach(function (key) {
    if (key === "default" || key === "__esModule") return;
    Object.defineProperty(exports, key, {
      enumerable: true,
      get: function () {
        return _aureliaPal[key];
      }
    });
  });

  var TheLogManager = _interopRequireWildcard(_aureliaLogging);

  function _interopRequireWildcard(obj) {
    if (obj && obj.__esModule) {
      return obj;
    } else {
      var newObj = {};

      if (obj != null) {
        for (var key in obj) {
          if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key];
        }
      }

      newObj.default = obj;
      return newObj;
    }
  }

  

  function preventActionlessFormSubmit() {
    _aureliaPal.DOM.addEventListener('submit', function (evt) {
      var target = evt.target;
      var action = target.action;

      if (target.tagName.toLowerCase() === 'form' && !action) {
        evt.preventDefault();
      }
    });
  }

  var Aurelia = exports.Aurelia = function () {
    function Aurelia(loader, container, resources) {
      

      this.loader = loader || new _aureliaPal.PLATFORM.Loader();
      this.container = container || new _aureliaDependencyInjection.Container().makeGlobal();
      this.resources = resources || new _aureliaTemplating.ViewResources();
      this.use = new FrameworkConfiguration(this);
      this.logger = TheLogManager.getLogger('aurelia');
      this.hostConfigured = false;
      this.host = null;

      this.use.instance(Aurelia, this);
      this.use.instance(_aureliaLoader.Loader, this.loader);
      this.use.instance(_aureliaTemplating.ViewResources, this.resources);
    }

    Aurelia.prototype.start = function start() {
      var _this = this;

      if (this._started) {
        return this._started;
      }

      this.logger.info('Aurelia Starting');
      return this._started = this.use.apply().then(function () {
        preventActionlessFormSubmit();

        if (!_this.container.hasResolver(_aureliaTemplating.BindingLanguage)) {
          var message = 'You must configure Aurelia with a BindingLanguage implementation.';
          _this.logger.error(message);
          throw new Error(message);
        }

        _this.logger.info('Aurelia Started');
        var evt = _aureliaPal.DOM.createCustomEvent('aurelia-started', { bubbles: true, cancelable: true });
        _aureliaPal.DOM.dispatchEvent(evt);
        return _this;
      });
    };

    Aurelia.prototype.enhance = function enhance() {
      var _this2 = this;

      var bindingContext = arguments.length <= 0 || arguments[0] === undefined ? {} : arguments[0];
      var applicationHost = arguments.length <= 1 || arguments[1] === undefined ? null : arguments[1];

      this._configureHost(applicationHost || _aureliaPal.DOM.querySelectorAll('body')[0]);

      return new Promise(function (resolve) {
        var engine = _this2.container.get(_aureliaTemplating.TemplatingEngine);
        _this2.root = engine.enhance({ container: _this2.container, element: _this2.host, resources: _this2.resources, bindingContext: bindingContext });
        _this2.root.attached();
        _this2._onAureliaComposed();
        resolve(_this2);
      });
    };

    Aurelia.prototype.setRoot = function setRoot() {
      var _this3 = this;

      var root = arguments.length <= 0 || arguments[0] === undefined ? null : arguments[0];
      var applicationHost = arguments.length <= 1 || arguments[1] === undefined ? null : arguments[1];

      var instruction = {};

      if (this.root && this.root.viewModel && this.root.viewModel.router) {
        this.root.viewModel.router.deactivate();
        this.root.viewModel.router.reset();
      }

      this._configureHost(applicationHost);

      var engine = this.container.get(_aureliaTemplating.TemplatingEngine);
      var transaction = this.container.get(_aureliaTemplating.CompositionTransaction);
      delete transaction.initialComposition;

      if (!root) {
        if (this.configModuleId) {
          root = (0, _aureliaPath.relativeToFile)('./app', this.configModuleId);
        } else {
          root = 'app';
        }
      }

      instruction.viewModel = root;
      instruction.container = instruction.childContainer = this.container;
      instruction.viewSlot = this.hostSlot;
      instruction.host = this.host;

      return engine.compose(instruction).then(function (r) {
        _this3.root = r;
        instruction.viewSlot.attached();
        _this3._onAureliaComposed();
        return _this3;
      });
    };

    Aurelia.prototype._configureHost = function _configureHost(applicationHost) {
      if (this.hostConfigured) {
        return;
      }
      applicationHost = applicationHost || this.host;

      if (!applicationHost || typeof applicationHost === 'string') {
        this.host = _aureliaPal.DOM.getElementById(applicationHost || 'applicationHost');
      } else {
        this.host = applicationHost;
      }

      if (!this.host) {
        throw new Error('No applicationHost was specified.');
      }

      this.hostConfigured = true;
      this.host.aurelia = this;
      this.hostSlot = new _aureliaTemplating.ViewSlot(this.host, true);
      this.hostSlot.transformChildNodesIntoView();
      this.container.registerInstance(_aureliaPal.DOM.boundary, this.host);
    };

    Aurelia.prototype._onAureliaComposed = function _onAureliaComposed() {
      var evt = _aureliaPal.DOM.createCustomEvent('aurelia-composed', { bubbles: true, cancelable: true });
      setTimeout(function () {
        return _aureliaPal.DOM.dispatchEvent(evt);
      }, 1);
    };

    return Aurelia;
  }();

  var logger = TheLogManager.getLogger('aurelia');
  var extPattern = /\.[^/.]+$/;

  function runTasks(config, tasks) {
    var current = void 0;
    var next = function next() {
      current = tasks.shift();
      if (current) {
        return Promise.resolve(current(config)).then(next);
      }

      return Promise.resolve();
    };

    return next();
  }

  function loadPlugin(config, loader, info) {
    logger.debug('Loading plugin ' + info.moduleId + '.');
    config.resourcesRelativeTo = info.resourcesRelativeTo;

    var id = info.moduleId;

    if (info.resourcesRelativeTo.length > 1) {
      return loader.normalize(info.moduleId, info.resourcesRelativeTo[1]).then(function (normalizedId) {
        return _loadPlugin(normalizedId);
      });
    }

    return _loadPlugin(id);

    function _loadPlugin(moduleId) {
      return loader.loadModule(moduleId).then(function (m) {
        if ('configure' in m) {
          return Promise.resolve(m.configure(config, info.config || {})).then(function () {
            config.resourcesRelativeTo = null;
            logger.debug('Configured plugin ' + info.moduleId + '.');
          });
        }

        config.resourcesRelativeTo = null;
        logger.debug('Loaded plugin ' + info.moduleId + '.');
      });
    }
  }

  function loadResources(aurelia, resourcesToLoad, appResources) {
    var viewEngine = aurelia.container.get(_aureliaTemplating.ViewEngine);

    return Promise.all(Object.keys(resourcesToLoad).map(function (n) {
      return _normalize(resourcesToLoad[n]);
    })).then(function (loads) {
      var names = [];
      var importIds = [];

      loads.forEach(function (l) {
        names.push(undefined);
        importIds.push(l.importId);
      });

      return viewEngine.importViewResources(importIds, names, appResources);
    });

    function _normalize(load) {
      var moduleId = load.moduleId;
      var ext = getExt(moduleId);

      if (isOtherResource(moduleId)) {
        moduleId = removeExt(moduleId);
      }

      return aurelia.loader.normalize(moduleId, load.relativeTo).then(function (normalized) {
        return {
          name: load.moduleId,
          importId: isOtherResource(load.moduleId) ? addOriginalExt(normalized, ext) : normalized
        };
      });
    }

    function isOtherResource(name) {
      var ext = getExt(name);
      if (!ext) return false;
      if (ext === '') return false;
      if (ext === '.js' || ext === '.ts') return false;
      return true;
    }

    function removeExt(name) {
      return name.replace(extPattern, '');
    }

    function addOriginalExt(normalized, ext) {
      return removeExt(normalized) + '.' + ext;
    }
  }

  function getExt(name) {
    var match = name.match(extPattern);
    if (match && match.length > 0) {
      return match[0].split('.')[1];
    }
  }

  function assertProcessed(plugins) {
    if (plugins.processed) {
      throw new Error('This config instance has already been applied. To load more plugins or global resources, create a new FrameworkConfiguration instance.');
    }
  }

  var FrameworkConfiguration = function () {
    function FrameworkConfiguration(aurelia) {
      var _this4 = this;

      

      this.aurelia = aurelia;
      this.container = aurelia.container;
      this.info = [];
      this.processed = false;
      this.preTasks = [];
      this.postTasks = [];
      this.resourcesToLoad = {};
      this.preTask(function () {
        return aurelia.loader.normalize('aurelia-bootstrapper').then(function (name) {
          return _this4.bootstrapperName = name;
        });
      });
      this.postTask(function () {
        return loadResources(aurelia, _this4.resourcesToLoad, aurelia.resources);
      });
    }

    FrameworkConfiguration.prototype.instance = function instance(type, _instance) {
      this.container.registerInstance(type, _instance);
      return this;
    };

    FrameworkConfiguration.prototype.singleton = function singleton(type, implementation) {
      this.container.registerSingleton(type, implementation);
      return this;
    };

    FrameworkConfiguration.prototype.transient = function transient(type, implementation) {
      this.container.registerTransient(type, implementation);
      return this;
    };

    FrameworkConfiguration.prototype.preTask = function preTask(task) {
      assertProcessed(this);
      this.preTasks.push(task);
      return this;
    };

    FrameworkConfiguration.prototype.postTask = function postTask(task) {
      assertProcessed(this);
      this.postTasks.push(task);
      return this;
    };

    FrameworkConfiguration.prototype.feature = function feature(plugin) {
      var config = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1];

      var hasIndex = /\/index$/i.test(plugin);
      var moduleId = hasIndex || getExt(plugin) ? plugin : plugin + '/index';
      var root = hasIndex ? plugin.substr(0, plugin.length - 6) : plugin;
      return this.plugin({ moduleId: moduleId, resourcesRelativeTo: [root, ''], config: config });
    };

    FrameworkConfiguration.prototype.globalResources = function globalResources(resources) {
      assertProcessed(this);

      var toAdd = Array.isArray(resources) ? resources : arguments;
      var resource = void 0;
      var resourcesRelativeTo = this.resourcesRelativeTo || ['', ''];

      for (var i = 0, ii = toAdd.length; i < ii; ++i) {
        resource = toAdd[i];
        if (typeof resource !== 'string') {
          throw new Error('Invalid resource path [' + resource + ']. Resources must be specified as relative module IDs.');
        }

        var parent = resourcesRelativeTo[0];
        var grandParent = resourcesRelativeTo[1];
        var name = resource;

        if ((resource.startsWith('./') || resource.startsWith('../')) && parent !== '') {
          name = (0, _aureliaPath.join)(parent, resource);
        }

        this.resourcesToLoad[name] = { moduleId: name, relativeTo: grandParent };
      }

      return this;
    };

    FrameworkConfiguration.prototype.globalName = function globalName(resourcePath, newName) {
      assertProcessed(this);
      this.resourcesToLoad[resourcePath] = { moduleId: newName, relativeTo: '' };
      return this;
    };

    FrameworkConfiguration.prototype.plugin = function plugin(_plugin, config) {
      assertProcessed(this);

      if (typeof _plugin === 'string') {
        return this.plugin({ moduleId: _plugin, resourcesRelativeTo: [_plugin, ''], config: config || {} });
      }

      this.info.push(_plugin);
      return this;
    };

    FrameworkConfiguration.prototype._addNormalizedPlugin = function _addNormalizedPlugin(name, config) {
      var _this5 = this;

      var plugin = { moduleId: name, resourcesRelativeTo: [name, ''], config: config || {} };
      this.plugin(plugin);

      this.preTask(function () {
        var relativeTo = [name, _this5.bootstrapperName];
        plugin.moduleId = name;
        plugin.resourcesRelativeTo = relativeTo;
        return Promise.resolve();
      });

      return this;
    };

    FrameworkConfiguration.prototype.defaultBindingLanguage = function defaultBindingLanguage() {
      return this._addNormalizedPlugin('aurelia-templating-binding');
    };

    FrameworkConfiguration.prototype.router = function router() {
      return this._addNormalizedPlugin('aurelia-templating-router');
    };

    FrameworkConfiguration.prototype.history = function history() {
      return this._addNormalizedPlugin('aurelia-history-browser');
    };

    FrameworkConfiguration.prototype.defaultResources = function defaultResources() {
      return this._addNormalizedPlugin('aurelia-templating-resources');
    };

    FrameworkConfiguration.prototype.eventAggregator = function eventAggregator() {
      return this._addNormalizedPlugin('aurelia-event-aggregator');
    };

    FrameworkConfiguration.prototype.basicConfiguration = function basicConfiguration() {
      return this.defaultBindingLanguage().defaultResources().eventAggregator();
    };

    FrameworkConfiguration.prototype.standardConfiguration = function standardConfiguration() {
      return this.basicConfiguration().history().router();
    };

    FrameworkConfiguration.prototype.developmentLogging = function developmentLogging() {
      var _this6 = this;

      this.preTask(function () {
        return _this6.aurelia.loader.normalize('aurelia-logging-console', _this6.bootstrapperName).then(function (name) {
          return _this6.aurelia.loader.loadModule(name).then(function (m) {
            TheLogManager.addAppender(new m.ConsoleAppender());
            TheLogManager.setLevel(TheLogManager.logLevel.debug);
          });
        });
      });

      return this;
    };

    FrameworkConfiguration.prototype.apply = function apply() {
      var _this7 = this;

      if (this.processed) {
        return Promise.resolve();
      }

      return runTasks(this, this.preTasks).then(function () {
        var loader = _this7.aurelia.loader;
        var info = _this7.info;
        var current = void 0;

        var next = function next() {
          current = info.shift();
          if (current) {
            return loadPlugin(_this7, loader, current).then(next);
          }

          _this7.processed = true;
          return Promise.resolve();
        };

        return next().then(function () {
          return runTasks(_this7, _this7.postTasks);
        });
      });
    };

    return FrameworkConfiguration;
  }();

  exports.FrameworkConfiguration = FrameworkConfiguration;
  var LogManager = exports.LogManager = TheLogManager;
});
define('aurelia-history',['exports'], function (exports) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });

  

  function mi(name) {
    throw new Error('History must implement ' + name + '().');
  }

  var History = exports.History = function () {
    function History() {
      
    }

    History.prototype.activate = function activate(options) {
      mi('activate');
    };

    History.prototype.deactivate = function deactivate() {
      mi('deactivate');
    };

    History.prototype.getAbsoluteRoot = function getAbsoluteRoot() {
      mi('getAbsoluteRoot');
    };

    History.prototype.navigate = function navigate(fragment, options) {
      mi('navigate');
    };

    History.prototype.navigateBack = function navigateBack() {
      mi('navigateBack');
    };

    History.prototype.setTitle = function setTitle(title) {
      mi('setTitle');
    };

    History.prototype.setState = function setState(key, value) {
      mi('setState');
    };

    History.prototype.getState = function getState(key) {
      mi('getState');
    };

    return History;
  }();
});
define('aurelia-history-browser',['exports', 'aurelia-pal', 'aurelia-history'], function (exports, _aureliaPal, _aureliaHistory) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.BrowserHistory = exports.DefaultLinkHandler = exports.LinkHandler = undefined;
  exports.configure = configure;

  var _class, _temp;

  function _possibleConstructorReturn(self, call) {
    if (!self) {
      throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
    }

    return call && (typeof call === "object" || typeof call === "function") ? call : self;
  }

  function _inherits(subClass, superClass) {
    if (typeof superClass !== "function" && superClass !== null) {
      throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
    }

    subClass.prototype = Object.create(superClass && superClass.prototype, {
      constructor: {
        value: subClass,
        enumerable: false,
        writable: true,
        configurable: true
      }
    });
    if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
  }

  

  var LinkHandler = exports.LinkHandler = function () {
    function LinkHandler() {
      
    }

    LinkHandler.prototype.activate = function activate(history) {};

    LinkHandler.prototype.deactivate = function deactivate() {};

    return LinkHandler;
  }();

  var DefaultLinkHandler = exports.DefaultLinkHandler = function (_LinkHandler) {
    _inherits(DefaultLinkHandler, _LinkHandler);

    function DefaultLinkHandler() {
      

      var _this = _possibleConstructorReturn(this, _LinkHandler.call(this));

      _this.handler = function (e) {
        var _DefaultLinkHandler$g = DefaultLinkHandler.getEventInfo(e);

        var shouldHandleEvent = _DefaultLinkHandler$g.shouldHandleEvent;
        var href = _DefaultLinkHandler$g.href;


        if (shouldHandleEvent) {
          e.preventDefault();
          _this.history.navigate(href);
        }
      };
      return _this;
    }

    DefaultLinkHandler.prototype.activate = function activate(history) {
      if (history._hasPushState) {
        this.history = history;
        _aureliaPal.DOM.addEventListener('click', this.handler, true);
      }
    };

    DefaultLinkHandler.prototype.deactivate = function deactivate() {
      _aureliaPal.DOM.removeEventListener('click', this.handler);
    };

    DefaultLinkHandler.getEventInfo = function getEventInfo(event) {
      var info = {
        shouldHandleEvent: false,
        href: null,
        anchor: null
      };

      var target = DefaultLinkHandler.findClosestAnchor(event.target);
      if (!target || !DefaultLinkHandler.targetIsThisWindow(target)) {
        return info;
      }

      if (event.altKey || event.ctrlKey || event.metaKey || event.shiftKey) {
        return info;
      }

      var href = target.getAttribute('href');
      info.anchor = target;
      info.href = href;

      var leftButtonClicked = event.which === 1;
      var isRelative = href && !(href.charAt(0) === '#' || /^[a-z]+:/i.test(href));

      info.shouldHandleEvent = leftButtonClicked && isRelative;
      return info;
    };

    DefaultLinkHandler.findClosestAnchor = function findClosestAnchor(el) {
      while (el) {
        if (el.tagName === 'A') {
          return el;
        }

        el = el.parentNode;
      }
    };

    DefaultLinkHandler.targetIsThisWindow = function targetIsThisWindow(target) {
      var targetWindow = target.getAttribute('target');
      var win = _aureliaPal.PLATFORM.global;

      return !targetWindow || targetWindow === win.name || targetWindow === '_self' || targetWindow === 'top' && win === win.top;
    };

    return DefaultLinkHandler;
  }(LinkHandler);

  function configure(config) {
    config.singleton(_aureliaHistory.History, BrowserHistory);
    config.transient(LinkHandler, DefaultLinkHandler);
  }

  var BrowserHistory = exports.BrowserHistory = (_temp = _class = function (_History) {
    _inherits(BrowserHistory, _History);

    function BrowserHistory(linkHandler) {
      

      var _this2 = _possibleConstructorReturn(this, _History.call(this));

      _this2._isActive = false;
      _this2._checkUrlCallback = _this2._checkUrl.bind(_this2);

      _this2.location = _aureliaPal.PLATFORM.location;
      _this2.history = _aureliaPal.PLATFORM.history;
      _this2.linkHandler = linkHandler;
      return _this2;
    }

    BrowserHistory.prototype.activate = function activate(options) {
      if (this._isActive) {
        throw new Error('History has already been activated.');
      }

      var wantsPushState = !!options.pushState;

      this._isActive = true;
      this.options = Object.assign({}, { root: '/' }, this.options, options);

      this.root = ('/' + this.options.root + '/').replace(rootStripper, '/');

      this._wantsHashChange = this.options.hashChange !== false;
      this._hasPushState = !!(this.options.pushState && this.history && this.history.pushState);

      var eventName = void 0;
      if (this._hasPushState) {
        eventName = 'popstate';
      } else if (this._wantsHashChange) {
        eventName = 'hashchange';
      }

      _aureliaPal.PLATFORM.addEventListener(eventName, this._checkUrlCallback);

      if (this._wantsHashChange && wantsPushState) {
        var loc = this.location;
        var atRoot = loc.pathname.replace(/[^\/]$/, '$&/') === this.root;

        if (!this._hasPushState && !atRoot) {
          this.fragment = this._getFragment(null, true);
          this.location.replace(this.root + this.location.search + '#' + this.fragment);

          return true;
        } else if (this._hasPushState && atRoot && loc.hash) {
            this.fragment = this._getHash().replace(routeStripper, '');
            this.history.replaceState({}, _aureliaPal.DOM.title, this.root + this.fragment + loc.search);
          }
      }

      if (!this.fragment) {
        this.fragment = this._getFragment();
      }

      this.linkHandler.activate(this);

      if (!this.options.silent) {
        return this._loadUrl();
      }
    };

    BrowserHistory.prototype.deactivate = function deactivate() {
      _aureliaPal.PLATFORM.removeEventListener('popstate', this._checkUrlCallback);
      _aureliaPal.PLATFORM.removeEventListener('hashchange', this._checkUrlCallback);
      this._isActive = false;
      this.linkHandler.deactivate();
    };

    BrowserHistory.prototype.getAbsoluteRoot = function getAbsoluteRoot() {
      var origin = createOrigin(this.location.protocol, this.location.hostname, this.location.port);
      return '' + origin + this.root;
    };

    BrowserHistory.prototype.navigate = function navigate(fragment) {
      var _ref = arguments.length <= 1 || arguments[1] === undefined ? {} : arguments[1];

      var _ref$trigger = _ref.trigger;
      var trigger = _ref$trigger === undefined ? true : _ref$trigger;
      var _ref$replace = _ref.replace;
      var replace = _ref$replace === undefined ? false : _ref$replace;

      if (fragment && absoluteUrl.test(fragment)) {
        this.location.href = fragment;
        return true;
      }

      if (!this._isActive) {
        return false;
      }

      fragment = this._getFragment(fragment || '');

      if (this.fragment === fragment && !replace) {
        return false;
      }

      this.fragment = fragment;

      var url = this.root + fragment;

      if (fragment === '' && url !== '/') {
        url = url.slice(0, -1);
      }

      if (this._hasPushState) {
        url = url.replace('//', '/');
        this.history[replace ? 'replaceState' : 'pushState']({}, _aureliaPal.DOM.title, url);
      } else if (this._wantsHashChange) {
        updateHash(this.location, fragment, replace);
      } else {
        return this.location.assign(url);
      }

      if (trigger) {
        return this._loadUrl(fragment);
      }
    };

    BrowserHistory.prototype.navigateBack = function navigateBack() {
      this.history.back();
    };

    BrowserHistory.prototype.setTitle = function setTitle(title) {
      _aureliaPal.DOM.title = title;
    };

    BrowserHistory.prototype.setState = function setState(key, value) {
      var state = Object.assign({}, this.history.state);
      state[key] = value;
      this.history.replaceState(state, null, null);
    };

    BrowserHistory.prototype.getState = function getState(key) {
      var state = Object.assign({}, this.history.state);
      return state[key];
    };

    BrowserHistory.prototype._getHash = function _getHash() {
      return this.location.hash.substr(1);
    };

    BrowserHistory.prototype._getFragment = function _getFragment(fragment, forcePushState) {
      var root = void 0;

      if (!fragment) {
        if (this._hasPushState || !this._wantsHashChange || forcePushState) {
          fragment = this.location.pathname + this.location.search;
          root = this.root.replace(trailingSlash, '');
          if (!fragment.indexOf(root)) {
            fragment = fragment.substr(root.length);
          }
        } else {
          fragment = this._getHash();
        }
      }

      return '/' + fragment.replace(routeStripper, '');
    };

    BrowserHistory.prototype._checkUrl = function _checkUrl() {
      var current = this._getFragment();
      if (current !== this.fragment) {
        this._loadUrl();
      }
    };

    BrowserHistory.prototype._loadUrl = function _loadUrl(fragmentOverride) {
      var fragment = this.fragment = this._getFragment(fragmentOverride);

      return this.options.routeHandler ? this.options.routeHandler(fragment) : false;
    };

    return BrowserHistory;
  }(_aureliaHistory.History), _class.inject = [LinkHandler], _temp);

  var routeStripper = /^#?\/*|\s+$/g;

  var rootStripper = /^\/+|\/+$/g;

  var trailingSlash = /\/$/;

  var absoluteUrl = /^([a-z][a-z0-9+\-.]*:)?\/\//i;

  function updateHash(location, fragment, replace) {
    if (replace) {
      var _href = location.href.replace(/(javascript:|#).*$/, '');
      location.replace(_href + '#' + fragment);
    } else {
      location.hash = '#' + fragment;
    }
  }

  function createOrigin(protocol, hostname, port) {
    return protocol + '//' + hostname + (port ? ':' + port : '');
  }
});
define('aurelia-loader-default',['exports', 'aurelia-loader', 'aurelia-pal', 'aurelia-metadata'], function (exports, _aureliaLoader, _aureliaPal, _aureliaMetadata) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.DefaultLoader = exports.TextTemplateLoader = undefined;

  function _possibleConstructorReturn(self, call) {
    if (!self) {
      throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
    }

    return call && (typeof call === "object" || typeof call === "function") ? call : self;
  }

  function _inherits(subClass, superClass) {
    if (typeof superClass !== "function" && superClass !== null) {
      throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
    }

    subClass.prototype = Object.create(superClass && superClass.prototype, {
      constructor: {
        value: subClass,
        enumerable: false,
        writable: true,
        configurable: true
      }
    });
    if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
  }

  

  var TextTemplateLoader = exports.TextTemplateLoader = function () {
    function TextTemplateLoader() {
      
    }

    TextTemplateLoader.prototype.loadTemplate = function loadTemplate(loader, entry) {
      return loader.loadText(entry.address).then(function (text) {
        entry.template = _aureliaPal.DOM.createTemplateFromMarkup(text);
      });
    };

    return TextTemplateLoader;
  }();

  function ensureOriginOnExports(executed, name) {
    var target = executed;
    var key = void 0;
    var exportedValue = void 0;

    if (target.__useDefault) {
      target = target['default'];
    }

    _aureliaMetadata.Origin.set(target, new _aureliaMetadata.Origin(name, 'default'));

    for (key in target) {
      exportedValue = target[key];

      if (typeof exportedValue === 'function') {
        _aureliaMetadata.Origin.set(exportedValue, new _aureliaMetadata.Origin(name, key));
      }
    }

    return executed;
  }

  var DefaultLoader = exports.DefaultLoader = function (_Loader) {
    _inherits(DefaultLoader, _Loader);

    function DefaultLoader() {
      

      var _this = _possibleConstructorReturn(this, _Loader.call(this));

      _this.textPluginName = 'text';


      _this.moduleRegistry = Object.create(null);
      _this.useTemplateLoader(new TextTemplateLoader());

      var that = _this;

      _this.addPlugin('template-registry-entry', {
        'fetch': function fetch(address) {
          var entry = that.getOrCreateTemplateRegistryEntry(address);
          return entry.templateIsLoaded ? entry : that.templateLoader.loadTemplate(that, entry).then(function (x) {
            return entry;
          });
        }
      });
      return _this;
    }

    DefaultLoader.prototype.useTemplateLoader = function useTemplateLoader(templateLoader) {
      this.templateLoader = templateLoader;
    };

    DefaultLoader.prototype.loadAllModules = function loadAllModules(ids) {
      var loads = [];

      for (var i = 0, ii = ids.length; i < ii; ++i) {
        loads.push(this.loadModule(ids[i]));
      }

      return Promise.all(loads);
    };

    DefaultLoader.prototype.loadTemplate = function loadTemplate(url) {
      return this._import(this.applyPluginToUrl(url, 'template-registry-entry'));
    };

    DefaultLoader.prototype.loadText = function loadText(url) {
      return this._import(this.applyPluginToUrl(url, this.textPluginName)).then(function (textOrModule) {
        if (typeof textOrModule === 'string') {
          return textOrModule;
        }

        return textOrModule['default'];
      });
    };

    return DefaultLoader;
  }(_aureliaLoader.Loader);

  _aureliaPal.PLATFORM.Loader = DefaultLoader;

  if (!_aureliaPal.PLATFORM.global.System || !_aureliaPal.PLATFORM.global.System.import) {
    if (_aureliaPal.PLATFORM.global.requirejs && requirejs.s && requirejs.s.contexts && requirejs.s.contexts._ && requirejs.s.contexts._.defined) {
      _aureliaPal.PLATFORM.eachModule = function (callback) {
        var defined = requirejs.s.contexts._.defined;
        for (var key in defined) {
          try {
            if (callback(key, defined[key])) return;
          } catch (e) {}
        }
      };
    } else {
      _aureliaPal.PLATFORM.eachModule = function (callback) {};
    }

    DefaultLoader.prototype._import = function (moduleId) {
      return new Promise(function (resolve, reject) {
        require([moduleId], resolve, reject);
      });
    };

    DefaultLoader.prototype.loadModule = function (id) {
      var _this2 = this;

      var existing = this.moduleRegistry[id];
      if (existing !== undefined) {
        return Promise.resolve(existing);
      }

      return new Promise(function (resolve, reject) {
        require([id], function (m) {
          _this2.moduleRegistry[id] = m;
          resolve(ensureOriginOnExports(m, id));
        }, reject);
      });
    };

    DefaultLoader.prototype.map = function (id, source) {};

    DefaultLoader.prototype.normalize = function (moduleId, relativeTo) {
      return Promise.resolve(moduleId);
    };

    DefaultLoader.prototype.normalizeSync = function (moduleId, relativeTo) {
      return moduleId;
    };

    DefaultLoader.prototype.applyPluginToUrl = function (url, pluginName) {
      return pluginName + '!' + url;
    };

    DefaultLoader.prototype.addPlugin = function (pluginName, implementation) {
      var nonAnonDefine = define;
      nonAnonDefine(pluginName, [], {
        'load': function load(name, req, onload) {
          var result = implementation.fetch(name);
          Promise.resolve(result).then(onload);
        }
      });
    };
  } else {
    _aureliaPal.PLATFORM.eachModule = function (callback) {
      if (System.registry) {
        var keys = Array.from(System.registry.keys());
        for (var i = 0; i < keys.length; i++) {
          try {
            var key = keys[i];
            if (callback(key, System.registry.get(key))) {
              return;
            }
          } catch (e) {}
        }
        return;
      }

      var modules = System._loader.modules;

      for (var _key in modules) {
        try {
          if (callback(_key, modules[_key].module)) return;
        } catch (e) {}
      }
    };

    System.set('text', System.newModule({
      'translate': function translate(load) {
        return 'module.exports = "' + load.source.replace(/(["\\])/g, '\\$1').replace(/[\f]/g, '\\f').replace(/[\b]/g, '\\b').replace(/[\n]/g, '\\n').replace(/[\t]/g, '\\t').replace(/[\r]/g, '\\r').replace(/[\u2028]/g, '\\u2028').replace(/[\u2029]/g, '\\u2029') + '";';
      }
    }));

    DefaultLoader.prototype._import = function (moduleId) {
      return System.import(moduleId);
    };

    DefaultLoader.prototype.loadModule = function (id) {
      var _this3 = this;

      return System.normalize(id).then(function (newId) {
        var existing = _this3.moduleRegistry[newId];
        if (existing !== undefined) {
          return Promise.resolve(existing);
        }

        return System.import(newId).then(function (m) {
          _this3.moduleRegistry[newId] = m;
          return ensureOriginOnExports(m, newId);
        });
      });
    };

    DefaultLoader.prototype.map = function (id, source) {
      var _map;

      System.config({ map: (_map = {}, _map[id] = source, _map) });
    };

    DefaultLoader.prototype.normalizeSync = function (moduleId, relativeTo) {
      return System.normalizeSync(moduleId, relativeTo);
    };

    DefaultLoader.prototype.normalize = function (moduleId, relativeTo) {
      return System.normalize(moduleId, relativeTo);
    };

    DefaultLoader.prototype.applyPluginToUrl = function (url, pluginName) {
      return url + '!' + pluginName;
    };

    DefaultLoader.prototype.addPlugin = function (pluginName, implementation) {
      System.set(pluginName, System.newModule({
        'fetch': function fetch(load, _fetch) {
          var result = implementation.fetch(load.address);
          return Promise.resolve(result).then(function (x) {
            load.metadata.result = x;
            return '';
          });
        },
        'instantiate': function instantiate(load) {
          return load.metadata.result;
        }
      }));
    };
  }
});
define('aurelia-logging-console',['exports', 'aurelia-logging'], function (exports, _aureliaLogging) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.ConsoleAppender = undefined;

  

  var ConsoleAppender = exports.ConsoleAppender = function () {
    function ConsoleAppender() {
      
    }

    ConsoleAppender.prototype.debug = function debug(logger) {
      var _console;

      for (var _len = arguments.length, rest = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
        rest[_key - 1] = arguments[_key];
      }

      (_console = console).debug.apply(_console, ['DEBUG [' + logger.id + ']'].concat(rest));
    };

    ConsoleAppender.prototype.info = function info(logger) {
      var _console2;

      for (var _len2 = arguments.length, rest = Array(_len2 > 1 ? _len2 - 1 : 0), _key2 = 1; _key2 < _len2; _key2++) {
        rest[_key2 - 1] = arguments[_key2];
      }

      (_console2 = console).info.apply(_console2, ['INFO [' + logger.id + ']'].concat(rest));
    };

    ConsoleAppender.prototype.warn = function warn(logger) {
      var _console3;

      for (var _len3 = arguments.length, rest = Array(_len3 > 1 ? _len3 - 1 : 0), _key3 = 1; _key3 < _len3; _key3++) {
        rest[_key3 - 1] = arguments[_key3];
      }

      (_console3 = console).warn.apply(_console3, ['WARN [' + logger.id + ']'].concat(rest));
    };

    ConsoleAppender.prototype.error = function error(logger) {
      var _console4;

      for (var _len4 = arguments.length, rest = Array(_len4 > 1 ? _len4 - 1 : 0), _key4 = 1; _key4 < _len4; _key4++) {
        rest[_key4 - 1] = arguments[_key4];
      }

      (_console4 = console).error.apply(_console4, ['ERROR [' + logger.id + ']'].concat(rest));
    };

    return ConsoleAppender;
  }();
});
define('aurelia-pal-browser',['exports', 'aurelia-pal'], function (exports, _aureliaPal) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports._DOM = exports._FEATURE = exports._PLATFORM = undefined;
  exports.initialize = initialize;

  var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
    return typeof obj;
  } : function (obj) {
    return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
  };

  var _PLATFORM = exports._PLATFORM = {
    location: window.location,
    history: window.history,
    addEventListener: function addEventListener(eventName, callback, capture) {
      this.global.addEventListener(eventName, callback, capture);
    },
    removeEventListener: function removeEventListener(eventName, callback, capture) {
      this.global.removeEventListener(eventName, callback, capture);
    },

    performance: window.performance,
    requestAnimationFrame: function requestAnimationFrame(callback) {
      return this.global.requestAnimationFrame(callback);
    }
  };

  if (typeof FEATURE_NO_IE === 'undefined') {
    var test = function test() {};

    if (test.name === undefined) {
      Object.defineProperty(Function.prototype, 'name', {
        get: function get() {
          var name = this.toString().match(/^\s*function\s*(\S*)\s*\(/)[1];

          Object.defineProperty(this, 'name', { value: name });
          return name;
        }
      });
    }
  }

  if (typeof FEATURE_NO_IE === 'undefined') {
    if (!('classList' in document.createElement('_')) || document.createElementNS && !('classList' in document.createElementNS('http://www.w3.org/2000/svg', 'g'))) {
      (function () {
        var protoProp = 'prototype';
        var strTrim = String.prototype.trim;
        var arrIndexOf = Array.prototype.indexOf;
        var emptyArray = [];

        var DOMEx = function DOMEx(type, message) {
          this.name = type;
          this.code = DOMException[type];
          this.message = message;
        };

        var checkTokenAndGetIndex = function checkTokenAndGetIndex(classList, token) {
          if (token === '') {
            throw new DOMEx('SYNTAX_ERR', 'An invalid or illegal string was specified');
          }

          if (/\s/.test(token)) {
            throw new DOMEx('INVALID_CHARACTER_ERR', 'String contains an invalid character');
          }

          return arrIndexOf.call(classList, token);
        };

        var ClassList = function ClassList(elem) {
          var trimmedClasses = strTrim.call(elem.getAttribute('class') || '');
          var classes = trimmedClasses ? trimmedClasses.split(/\s+/) : emptyArray;

          for (var i = 0, ii = classes.length; i < ii; ++i) {
            this.push(classes[i]);
          }

          this._updateClassName = function () {
            elem.setAttribute('class', this.toString());
          };
        };

        var classListProto = ClassList[protoProp] = [];

        DOMEx[protoProp] = Error[protoProp];

        classListProto.item = function (i) {
          return this[i] || null;
        };

        classListProto.contains = function (token) {
          token += '';
          return checkTokenAndGetIndex(this, token) !== -1;
        };

        classListProto.add = function () {
          var tokens = arguments;
          var i = 0;
          var ii = tokens.length;
          var token = void 0;
          var updated = false;

          do {
            token = tokens[i] + '';
            if (checkTokenAndGetIndex(this, token) === -1) {
              this.push(token);
              updated = true;
            }
          } while (++i < ii);

          if (updated) {
            this._updateClassName();
          }
        };

        classListProto.remove = function () {
          var tokens = arguments;
          var i = 0;
          var ii = tokens.length;
          var token = void 0;
          var updated = false;
          var index = void 0;

          do {
            token = tokens[i] + '';
            index = checkTokenAndGetIndex(this, token);
            while (index !== -1) {
              this.splice(index, 1);
              updated = true;
              index = checkTokenAndGetIndex(this, token);
            }
          } while (++i < ii);

          if (updated) {
            this._updateClassName();
          }
        };

        classListProto.toggle = function (token, force) {
          token += '';

          var result = this.contains(token);
          var method = result ? force !== true && 'remove' : force !== false && 'add';

          if (method) {
            this[method](token);
          }

          if (force === true || force === false) {
            return force;
          }

          return !result;
        };

        classListProto.toString = function () {
          return this.join(' ');
        };

        Object.defineProperty(Element.prototype, 'classList', {
          get: function get() {
            return new ClassList(this);
          },
          enumerable: true,
          configurable: true
        });
      })();
    } else {
      var testElement = document.createElement('_');
      testElement.classList.add('c1', 'c2');

      if (!testElement.classList.contains('c2')) {
        var createMethod = function createMethod(method) {
          var original = DOMTokenList.prototype[method];

          DOMTokenList.prototype[method] = function (token) {
            for (var i = 0, ii = arguments.length; i < ii; ++i) {
              token = arguments[i];
              original.call(this, token);
            }
          };
        };

        createMethod('add');
        createMethod('remove');
      }

      testElement.classList.toggle('c3', false);

      if (testElement.classList.contains('c3')) {
        (function () {
          var _toggle = DOMTokenList.prototype.toggle;

          DOMTokenList.prototype.toggle = function (token, force) {
            if (1 in arguments && !this.contains(token) === !force) {
              return force;
            }

            return _toggle.call(this, token);
          };
        })();
      }

      testElement = null;
    }
  }

  if (typeof FEATURE_NO_IE === 'undefined') {
    // @license http://opensource.org/licenses/MIT
    if ('performance' in window === false) {
      window.performance = {};
    }

    if ('now' in window.performance === false) {
      (function () {
        var nowOffset = Date.now();

        if (performance.timing && performance.timing.navigationStart) {
          nowOffset = performance.timing.navigationStart;
        }

        window.performance.now = function now() {
          return Date.now() - nowOffset;
        };
      })();
    }

    _PLATFORM.performance = window.performance;
  }

  if (typeof FEATURE_NO_IE === 'undefined') {
    (function () {
      var con = window.console = window.console || {};
      var nop = function nop() {};

      if (!con.memory) con.memory = {};
      ('assert,clear,count,debug,dir,dirxml,error,exception,group,' + 'groupCollapsed,groupEnd,info,log,markTimeline,profile,profiles,profileEnd,' + 'show,table,time,timeEnd,timeline,timelineEnd,timeStamp,trace,warn').split(',').forEach(function (m) {
        if (!con[m]) con[m] = nop;
      });

      if (_typeof(con.log) === 'object') {
        'log,info,warn,error,assert,dir,clear,profile,profileEnd'.split(',').forEach(function (method) {
          console[method] = this.bind(console[method], console);
        }, Function.prototype.call);
      }
    })();
  }

  if (typeof FEATURE_NO_IE === 'undefined') {
    if (!window.CustomEvent || typeof window.CustomEvent !== 'function') {
      var _CustomEvent = function _CustomEvent(event, params) {
        params = params || {
          bubbles: false,
          cancelable: false,
          detail: undefined
        };

        var evt = document.createEvent('CustomEvent');
        evt.initCustomEvent(event, params.bubbles, params.cancelable, params.detail);
        return evt;
      };

      _CustomEvent.prototype = window.Event.prototype;
      window.CustomEvent = _CustomEvent;
    }
  }

  if (Element && !Element.prototype.matches) {
    var proto = Element.prototype;
    proto.matches = proto.matchesSelector || proto.mozMatchesSelector || proto.msMatchesSelector || proto.oMatchesSelector || proto.webkitMatchesSelector;
  }

  var _FEATURE = exports._FEATURE = {
    shadowDOM: !!HTMLElement.prototype.attachShadow,
    scopedCSS: 'scoped' in document.createElement('style'),
    htmlTemplateElement: 'content' in document.createElement('template'),
    mutationObserver: !!(window.MutationObserver || window.WebKitMutationObserver),
    ensureHTMLTemplateElement: function ensureHTMLTemplateElement(t) {
      return t;
    }
  };

  if (typeof FEATURE_NO_IE === 'undefined') {
    (function () {
      var isSVGTemplate = function isSVGTemplate(el) {
        return el.tagName === 'template' && el.namespaceURI === 'http://www.w3.org/2000/svg';
      };

      var fixSVGTemplateElement = function fixSVGTemplateElement(el) {
        var template = el.ownerDocument.createElement('template');
        var attrs = el.attributes;
        var length = attrs.length;
        var attr = void 0;

        el.parentNode.insertBefore(template, el);

        while (length-- > 0) {
          attr = attrs[length];
          template.setAttribute(attr.name, attr.value);
          el.removeAttribute(attr.name);
        }

        el.parentNode.removeChild(el);

        return fixHTMLTemplateElement(template);
      };

      var fixHTMLTemplateElement = function fixHTMLTemplateElement(template) {
        var content = template.content = document.createDocumentFragment();
        var child = void 0;

        while (child = template.firstChild) {
          content.appendChild(child);
        }

        return template;
      };

      var fixHTMLTemplateElementRoot = function fixHTMLTemplateElementRoot(template) {
        var content = fixHTMLTemplateElement(template).content;
        var childTemplates = content.querySelectorAll('template');

        for (var i = 0, ii = childTemplates.length; i < ii; ++i) {
          var child = childTemplates[i];

          if (isSVGTemplate(child)) {
            fixSVGTemplateElement(child);
          } else {
            fixHTMLTemplateElement(child);
          }
        }

        return template;
      };

      if (!_FEATURE.htmlTemplateElement) {
        _FEATURE.ensureHTMLTemplateElement = fixHTMLTemplateElementRoot;
      }
    })();
  }

  var shadowPoly = window.ShadowDOMPolyfill || null;

  var _DOM = exports._DOM = {
    Element: Element,
    SVGElement: SVGElement,
    boundary: 'aurelia-dom-boundary',
    addEventListener: function addEventListener(eventName, callback, capture) {
      document.addEventListener(eventName, callback, capture);
    },
    removeEventListener: function removeEventListener(eventName, callback, capture) {
      document.removeEventListener(eventName, callback, capture);
    },
    adoptNode: function adoptNode(node) {
      return document.adoptNode(node, true);
    },
    createAttribute: function createAttribute(name) {
      return document.createAttribute(name);
    },
    createElement: function createElement(tagName) {
      return document.createElement(tagName);
    },
    createTextNode: function createTextNode(text) {
      return document.createTextNode(text);
    },
    createComment: function createComment(text) {
      return document.createComment(text);
    },
    createDocumentFragment: function createDocumentFragment() {
      return document.createDocumentFragment();
    },
    createTemplateElement: function createTemplateElement() {
      var template = document.createElement('template');
      return _FEATURE.ensureHTMLTemplateElement(template);
    },
    createMutationObserver: function createMutationObserver(callback) {
      return new (window.MutationObserver || window.WebKitMutationObserver)(callback);
    },
    createCustomEvent: function createCustomEvent(eventType, options) {
      return new window.CustomEvent(eventType, options);
    },
    dispatchEvent: function dispatchEvent(evt) {
      document.dispatchEvent(evt);
    },
    getComputedStyle: function getComputedStyle(element) {
      return window.getComputedStyle(element);
    },
    getElementById: function getElementById(id) {
      return document.getElementById(id);
    },
    querySelectorAll: function querySelectorAll(query) {
      return document.querySelectorAll(query);
    },
    nextElementSibling: function nextElementSibling(element) {
      if (element.nextElementSibling) {
        return element.nextElementSibling;
      }
      do {
        element = element.nextSibling;
      } while (element && element.nodeType !== 1);
      return element;
    },
    createTemplateFromMarkup: function createTemplateFromMarkup(markup) {
      var parser = document.createElement('div');
      parser.innerHTML = markup;

      var temp = parser.firstElementChild;
      if (!temp || temp.nodeName !== 'TEMPLATE') {
        throw new Error('Template markup must be wrapped in a <template> element e.g. <template> <!-- markup here --> </template>');
      }

      return _FEATURE.ensureHTMLTemplateElement(temp);
    },
    appendNode: function appendNode(newNode, parentNode) {
      (parentNode || document.body).appendChild(newNode);
    },
    replaceNode: function replaceNode(newNode, node, parentNode) {
      if (node.parentNode) {
        node.parentNode.replaceChild(newNode, node);
      } else if (shadowPoly !== null) {
        shadowPoly.unwrap(parentNode).replaceChild(shadowPoly.unwrap(newNode), shadowPoly.unwrap(node));
      } else {
        parentNode.replaceChild(newNode, node);
      }
    },
    removeNode: function removeNode(node, parentNode) {
      if (node.parentNode) {
        node.parentNode.removeChild(node);
      } else if (parentNode) {
        if (shadowPoly !== null) {
          shadowPoly.unwrap(parentNode).removeChild(shadowPoly.unwrap(node));
        } else {
          parentNode.removeChild(node);
        }
      }
    },
    injectStyles: function injectStyles(styles, destination, prepend) {
      var node = document.createElement('style');
      node.innerHTML = styles;
      node.type = 'text/css';

      destination = destination || document.head;

      if (prepend && destination.childNodes.length > 0) {
        destination.insertBefore(node, destination.childNodes[0]);
      } else {
        destination.appendChild(node);
      }

      return node;
    }
  };

  function initialize() {
    if (_aureliaPal.isInitialized) {
      return;
    }

    (0, _aureliaPal.initializePAL)(function (platform, feature, dom) {
      Object.assign(platform, _PLATFORM);
      Object.assign(feature, _FEATURE);
      Object.assign(dom, _DOM);

      Object.defineProperty(dom, 'title', {
        get: function get() {
          return document.title;
        },
        set: function set(value) {
          document.title = value;
        }
      });

      Object.defineProperty(dom, 'activeElement', {
        get: function get() {
          return document.activeElement;
        }
      });

      Object.defineProperty(platform, 'XMLHttpRequest', {
        get: function get() {
          return platform.global.XMLHttpRequest;
        }
      });
    });
  }
});
define('aurelia-route-recognizer',['exports', 'aurelia-path'], function (exports, _aureliaPath) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.RouteRecognizer = exports.EpsilonSegment = exports.StarSegment = exports.DynamicSegment = exports.StaticSegment = exports.State = undefined;

  

  var State = exports.State = function () {
    function State(charSpec) {
      

      this.charSpec = charSpec;
      this.nextStates = [];
    }

    State.prototype.get = function get(charSpec) {
      for (var _iterator = this.nextStates, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
        var _ref;

        if (_isArray) {
          if (_i >= _iterator.length) break;
          _ref = _iterator[_i++];
        } else {
          _i = _iterator.next();
          if (_i.done) break;
          _ref = _i.value;
        }

        var child = _ref;

        var isEqual = child.charSpec.validChars === charSpec.validChars && child.charSpec.invalidChars === charSpec.invalidChars;

        if (isEqual) {
          return child;
        }
      }

      return undefined;
    };

    State.prototype.put = function put(charSpec) {
      var state = this.get(charSpec);

      if (state) {
        return state;
      }

      state = new State(charSpec);

      this.nextStates.push(state);

      if (charSpec.repeat) {
        state.nextStates.push(state);
      }

      return state;
    };

    State.prototype.match = function match(ch) {
      var nextStates = this.nextStates;
      var results = [];

      for (var i = 0, l = nextStates.length; i < l; i++) {
        var child = nextStates[i];
        var charSpec = child.charSpec;

        if (charSpec.validChars !== undefined) {
          if (charSpec.validChars.indexOf(ch) !== -1) {
            results.push(child);
          }
        } else if (charSpec.invalidChars !== undefined) {
          if (charSpec.invalidChars.indexOf(ch) === -1) {
            results.push(child);
          }
        }
      }

      return results;
    };

    return State;
  }();

  var specials = ['/', '.', '*', '+', '?', '|', '(', ')', '[', ']', '{', '}', '\\'];

  var escapeRegex = new RegExp('(\\' + specials.join('|\\') + ')', 'g');

  var StaticSegment = exports.StaticSegment = function () {
    function StaticSegment(string, caseSensitive) {
      

      this.string = string;
      this.caseSensitive = caseSensitive;
    }

    StaticSegment.prototype.eachChar = function eachChar(callback) {
      var s = this.string;
      for (var i = 0, ii = s.length; i < ii; ++i) {
        var ch = s[i];
        callback({ validChars: this.caseSensitive ? ch : ch.toUpperCase() + ch.toLowerCase() });
      }
    };

    StaticSegment.prototype.regex = function regex() {
      return this.string.replace(escapeRegex, '\\$1');
    };

    StaticSegment.prototype.generate = function generate() {
      return this.string;
    };

    return StaticSegment;
  }();

  var DynamicSegment = exports.DynamicSegment = function () {
    function DynamicSegment(name, optional) {
      

      this.name = name;
      this.optional = optional;
    }

    DynamicSegment.prototype.eachChar = function eachChar(callback) {
      callback({ invalidChars: '/', repeat: true });
    };

    DynamicSegment.prototype.regex = function regex() {
      return this.optional ? '([^/]+)?' : '([^/]+)';
    };

    DynamicSegment.prototype.generate = function generate(params, consumed) {
      consumed[this.name] = true;
      return params[this.name];
    };

    return DynamicSegment;
  }();

  var StarSegment = exports.StarSegment = function () {
    function StarSegment(name) {
      

      this.name = name;
    }

    StarSegment.prototype.eachChar = function eachChar(callback) {
      callback({ invalidChars: '', repeat: true });
    };

    StarSegment.prototype.regex = function regex() {
      return '(.+)';
    };

    StarSegment.prototype.generate = function generate(params, consumed) {
      consumed[this.name] = true;
      return params[this.name];
    };

    return StarSegment;
  }();

  var EpsilonSegment = exports.EpsilonSegment = function () {
    function EpsilonSegment() {
      
    }

    EpsilonSegment.prototype.eachChar = function eachChar() {};

    EpsilonSegment.prototype.regex = function regex() {
      return '';
    };

    EpsilonSegment.prototype.generate = function generate() {
      return '';
    };

    return EpsilonSegment;
  }();

  var RouteRecognizer = exports.RouteRecognizer = function () {
    function RouteRecognizer() {
      

      this.rootState = new State();
      this.names = {};
    }

    RouteRecognizer.prototype.add = function add(route) {
      var _this = this;

      if (Array.isArray(route)) {
        route.forEach(function (r) {
          return _this.add(r);
        });
        return undefined;
      }

      var currentState = this.rootState;
      var regex = '^';
      var types = { statics: 0, dynamics: 0, stars: 0 };
      var names = [];
      var routeName = route.handler.name;
      var isEmpty = true;
      var isAllOptional = true;
      var segments = parse(route.path, names, types, route.caseSensitive);

      for (var i = 0, ii = segments.length; i < ii; i++) {
        var segment = segments[i];
        if (segment instanceof EpsilonSegment) {
          continue;
        }

        isEmpty = false;
        isAllOptional = isAllOptional && segment.optional;

        currentState = addSegment(currentState, segment);
        regex += segment.optional ? '/?' : '/';
        regex += segment.regex();
      }

      if (isAllOptional) {
        if (isEmpty) {
          currentState = currentState.put({ validChars: '/' });
          regex += '/';
        } else {
          var finalState = this.rootState.put({ validChars: '/' });
          currentState.epsilon = [finalState];
          currentState = finalState;
        }
      }

      var handlers = [{ handler: route.handler, names: names }];

      if (routeName) {
        var routeNames = Array.isArray(routeName) ? routeName : [routeName];
        for (var _i2 = 0; _i2 < routeNames.length; _i2++) {
          this.names[routeNames[_i2]] = {
            segments: segments,
            handlers: handlers
          };
        }
      }

      currentState.handlers = handlers;
      currentState.regex = new RegExp(regex + '$', route.caseSensitive ? '' : 'i');
      currentState.types = types;

      return currentState;
    };

    RouteRecognizer.prototype.handlersFor = function handlersFor(name) {
      var route = this.names[name];
      if (!route) {
        throw new Error('There is no route named ' + name);
      }

      return [].concat(route.handlers);
    };

    RouteRecognizer.prototype.hasRoute = function hasRoute(name) {
      return !!this.names[name];
    };

    RouteRecognizer.prototype.generate = function generate(name, params) {
      var route = this.names[name];
      if (!route) {
        throw new Error('There is no route named ' + name);
      }

      var handler = route.handlers[0].handler;
      if (handler.generationUsesHref) {
        return handler.href;
      }

      var routeParams = Object.assign({}, params);
      var segments = route.segments;
      var consumed = {};
      var output = '';

      for (var i = 0, l = segments.length; i < l; i++) {
        var segment = segments[i];

        if (segment instanceof EpsilonSegment) {
          continue;
        }

        var segmentValue = segment.generate(routeParams, consumed);
        if (segmentValue === null || segmentValue === undefined) {
          if (!segment.optional) {
            throw new Error('A value is required for route parameter \'' + segment.name + '\' in route \'' + name + '\'.');
          }
        } else {
          output += '/';
          output += segmentValue;
        }
      }

      if (output.charAt(0) !== '/') {
        output = '/' + output;
      }

      for (var param in consumed) {
        delete routeParams[param];
      }

      var queryString = (0, _aureliaPath.buildQueryString)(routeParams);
      output += queryString ? '?' + queryString : '';

      return output;
    };

    RouteRecognizer.prototype.recognize = function recognize(path) {
      var states = [this.rootState];
      var queryParams = {};
      var isSlashDropped = false;
      var normalizedPath = path;

      var queryStart = normalizedPath.indexOf('?');
      if (queryStart !== -1) {
        var queryString = normalizedPath.substr(queryStart + 1, normalizedPath.length);
        normalizedPath = normalizedPath.substr(0, queryStart);
        queryParams = (0, _aureliaPath.parseQueryString)(queryString);
      }

      normalizedPath = decodeURI(normalizedPath);

      if (normalizedPath.charAt(0) !== '/') {
        normalizedPath = '/' + normalizedPath;
      }

      var pathLen = normalizedPath.length;
      if (pathLen > 1 && normalizedPath.charAt(pathLen - 1) === '/') {
        normalizedPath = normalizedPath.substr(0, pathLen - 1);
        isSlashDropped = true;
      }

      for (var i = 0, l = normalizedPath.length; i < l; i++) {
        states = recognizeChar(states, normalizedPath.charAt(i));
        if (!states.length) {
          break;
        }
      }

      var solutions = [];
      for (var _i3 = 0, _l = states.length; _i3 < _l; _i3++) {
        if (states[_i3].handlers) {
          solutions.push(states[_i3]);
        }
      }

      states = sortSolutions(solutions);

      var state = solutions[0];
      if (state && state.handlers) {
        if (isSlashDropped && state.regex.source.slice(-5) === '(.+)$') {
          normalizedPath = normalizedPath + '/';
        }

        return findHandler(state, normalizedPath, queryParams);
      }
    };

    return RouteRecognizer;
  }();

  var RecognizeResults = function RecognizeResults(queryParams) {
    

    this.splice = Array.prototype.splice;
    this.slice = Array.prototype.slice;
    this.push = Array.prototype.push;
    this.length = 0;
    this.queryParams = queryParams || {};
  };

  function parse(route, names, types, caseSensitive) {
    var normalizedRoute = route;
    if (route.charAt(0) === '/') {
      normalizedRoute = route.substr(1);
    }

    var results = [];

    var splitRoute = normalizedRoute.split('/');
    for (var i = 0, ii = splitRoute.length; i < ii; ++i) {
      var segment = splitRoute[i];

      var match = segment.match(/^:([^?]+)(\?)?$/);
      if (match) {
        var _match = match,
            _name = _match[1],
            optional = _match[2];

        if (_name.indexOf('=') !== -1) {
          throw new Error('Parameter ' + _name + ' in route ' + route + ' has a default value, which is not supported.');
        }
        results.push(new DynamicSegment(_name, !!optional));
        names.push(_name);
        types.dynamics++;
        continue;
      }

      match = segment.match(/^\*(.+)$/);
      if (match) {
        results.push(new StarSegment(match[1]));
        names.push(match[1]);
        types.stars++;
      } else if (segment === '') {
        results.push(new EpsilonSegment());
      } else {
        results.push(new StaticSegment(segment, caseSensitive));
        types.statics++;
      }
    }

    return results;
  }

  function sortSolutions(states) {
    return states.sort(function (a, b) {
      if (a.types.stars !== b.types.stars) {
        return a.types.stars - b.types.stars;
      }

      if (a.types.stars) {
        if (a.types.statics !== b.types.statics) {
          return b.types.statics - a.types.statics;
        }
        if (a.types.dynamics !== b.types.dynamics) {
          return b.types.dynamics - a.types.dynamics;
        }
      }

      if (a.types.dynamics !== b.types.dynamics) {
        return a.types.dynamics - b.types.dynamics;
      }

      if (a.types.statics !== b.types.statics) {
        return b.types.statics - a.types.statics;
      }

      return 0;
    });
  }

  function recognizeChar(states, ch) {
    var nextStates = [];

    for (var i = 0, l = states.length; i < l; i++) {
      var state = states[i];
      nextStates.push.apply(nextStates, state.match(ch));
    }

    var skippableStates = nextStates.filter(function (s) {
      return s.epsilon;
    });

    var _loop = function _loop() {
      var newStates = [];
      skippableStates.forEach(function (s) {
        nextStates.push.apply(nextStates, s.epsilon);
        newStates.push.apply(newStates, s.epsilon);
      });
      skippableStates = newStates.filter(function (s) {
        return s.epsilon;
      });
    };

    while (skippableStates.length > 0) {
      _loop();
    }

    return nextStates;
  }

  function findHandler(state, path, queryParams) {
    var handlers = state.handlers;
    var regex = state.regex;
    var captures = path.match(regex);
    var currentCapture = 1;
    var result = new RecognizeResults(queryParams);

    for (var i = 0, l = handlers.length; i < l; i++) {
      var _handler = handlers[i];
      var _names = _handler.names;
      var _params = {};

      for (var j = 0, m = _names.length; j < m; j++) {
        _params[_names[j]] = captures[currentCapture++];
      }

      result.push({ handler: _handler.handler, params: _params, isDynamic: !!_names.length });
    }

    return result;
  }

  function addSegment(currentState, segment) {
    var state = currentState.put({ validChars: '/' });
    segment.eachChar(function (ch) {
      state = state.put(ch);
    });

    if (segment.optional) {
      currentState.epsilon = currentState.epsilon || [];
      currentState.epsilon.push(state);
    }

    return state;
  }
});
define('aurelia-router',['exports', 'aurelia-logging', 'aurelia-route-recognizer', 'aurelia-dependency-injection', 'aurelia-history', 'aurelia-event-aggregator'], function (exports, _aureliaLogging, _aureliaRouteRecognizer, _aureliaDependencyInjection, _aureliaHistory, _aureliaEventAggregator) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.AppRouter = exports.PipelineProvider = exports.LoadRouteStep = exports.RouteLoader = exports.ActivateNextStep = exports.DeactivatePreviousStep = exports.CanActivateNextStep = exports.CanDeactivatePreviousStep = exports.Router = exports.BuildNavigationPlanStep = exports.activationStrategy = exports.RouterConfiguration = exports.RedirectToRoute = exports.Redirect = exports.NavModel = exports.NavigationInstruction = exports.CommitChangesStep = exports.Pipeline = exports.pipelineStatus = undefined;
  exports._normalizeAbsolutePath = _normalizeAbsolutePath;
  exports._createRootedPath = _createRootedPath;
  exports._resolveUrl = _resolveUrl;
  exports.isNavigationCommand = isNavigationCommand;
  exports._buildNavigationPlan = _buildNavigationPlan;

  var LogManager = _interopRequireWildcard(_aureliaLogging);

  function _interopRequireWildcard(obj) {
    if (obj && obj.__esModule) {
      return obj;
    } else {
      var newObj = {};

      if (obj != null) {
        for (var key in obj) {
          if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key];
        }
      }

      newObj.default = obj;
      return newObj;
    }
  }

  function _possibleConstructorReturn(self, call) {
    if (!self) {
      throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
    }

    return call && (typeof call === "object" || typeof call === "function") ? call : self;
  }

  function _inherits(subClass, superClass) {
    if (typeof superClass !== "function" && superClass !== null) {
      throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
    }

    subClass.prototype = Object.create(superClass && superClass.prototype, {
      constructor: {
        value: subClass,
        enumerable: false,
        writable: true,
        configurable: true
      }
    });
    if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
  }

  var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) {
    return typeof obj;
  } : function (obj) {
    return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
  };

  var _createClass = function () {
    function defineProperties(target, props) {
      for (var i = 0; i < props.length; i++) {
        var descriptor = props[i];
        descriptor.enumerable = descriptor.enumerable || false;
        descriptor.configurable = true;
        if ("value" in descriptor) descriptor.writable = true;
        Object.defineProperty(target, descriptor.key, descriptor);
      }
    }

    return function (Constructor, protoProps, staticProps) {
      if (protoProps) defineProperties(Constructor.prototype, protoProps);
      if (staticProps) defineProperties(Constructor, staticProps);
      return Constructor;
    };
  }();

  

  function _normalizeAbsolutePath(path, hasPushState) {
    var absolute = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;

    if (!hasPushState && path[0] !== '#') {
      path = '#' + path;
    }

    if (hasPushState && absolute) {
      path = path.substring(1, path.length);
    }

    return path;
  }

  function _createRootedPath(fragment, baseUrl, hasPushState, absolute) {
    if (isAbsoluteUrl.test(fragment)) {
      return fragment;
    }

    var path = '';

    if (baseUrl.length && baseUrl[0] !== '/') {
      path += '/';
    }

    path += baseUrl;

    if ((!path.length || path[path.length - 1] !== '/') && fragment[0] !== '/') {
      path += '/';
    }

    if (path.length && path[path.length - 1] === '/' && fragment[0] === '/') {
      path = path.substring(0, path.length - 1);
    }

    return _normalizeAbsolutePath(path + fragment, hasPushState, absolute);
  }

  function _resolveUrl(fragment, baseUrl, hasPushState) {
    if (isRootedPath.test(fragment)) {
      return _normalizeAbsolutePath(fragment, hasPushState);
    }

    return _createRootedPath(fragment, baseUrl, hasPushState);
  }

  var isRootedPath = /^#?\//;
  var isAbsoluteUrl = /^([a-z][a-z0-9+\-.]*:)?\/\//i;

  var pipelineStatus = exports.pipelineStatus = {
    completed: 'completed',
    canceled: 'canceled',
    rejected: 'rejected',
    running: 'running'
  };

  var Pipeline = exports.Pipeline = function () {
    function Pipeline() {
      

      this.steps = [];
    }

    Pipeline.prototype.addStep = function addStep(step) {
      var run = void 0;

      if (typeof step === 'function') {
        run = step;
      } else if (typeof step.getSteps === 'function') {
        var steps = step.getSteps();
        for (var i = 0, l = steps.length; i < l; i++) {
          this.addStep(steps[i]);
        }

        return this;
      } else {
        run = step.run.bind(step);
      }

      this.steps.push(run);

      return this;
    };

    Pipeline.prototype.run = function run(instruction) {
      var index = -1;
      var steps = this.steps;

      function next() {
        index++;

        if (index < steps.length) {
          var currentStep = steps[index];

          try {
            return currentStep(instruction, next);
          } catch (e) {
            return next.reject(e);
          }
        } else {
          return next.complete();
        }
      }

      next.complete = createCompletionHandler(next, pipelineStatus.completed);
      next.cancel = createCompletionHandler(next, pipelineStatus.canceled);
      next.reject = createCompletionHandler(next, pipelineStatus.rejected);

      return next();
    };

    return Pipeline;
  }();

  function createCompletionHandler(next, status) {
    return function (output) {
      return Promise.resolve({ status: status, output: output, completed: status === pipelineStatus.completed });
    };
  }

  var CommitChangesStep = exports.CommitChangesStep = function () {
    function CommitChangesStep() {
      
    }

    CommitChangesStep.prototype.run = function run(navigationInstruction, next) {
      return navigationInstruction._commitChanges(true).then(function () {
        navigationInstruction._updateTitle();
        return next();
      });
    };

    return CommitChangesStep;
  }();

  var NavigationInstruction = exports.NavigationInstruction = function () {
    function NavigationInstruction(init) {
      

      this.plan = null;
      this.options = {};

      Object.assign(this, init);

      this.params = this.params || {};
      this.viewPortInstructions = {};

      var ancestorParams = [];
      var current = this;
      do {
        var currentParams = Object.assign({}, current.params);
        if (current.config && current.config.hasChildRouter) {
          delete currentParams[current.getWildCardName()];
        }

        ancestorParams.unshift(currentParams);
        current = current.parentInstruction;
      } while (current);

      var allParams = Object.assign.apply(Object, [{}, this.queryParams].concat(ancestorParams));
      this.lifecycleArgs = [allParams, this.config, this];
    }

    NavigationInstruction.prototype.getAllInstructions = function getAllInstructions() {
      var instructions = [this];
      for (var key in this.viewPortInstructions) {
        var childInstruction = this.viewPortInstructions[key].childNavigationInstruction;
        if (childInstruction) {
          instructions.push.apply(instructions, childInstruction.getAllInstructions());
        }
      }

      return instructions;
    };

    NavigationInstruction.prototype.getAllPreviousInstructions = function getAllPreviousInstructions() {
      return this.getAllInstructions().map(function (c) {
        return c.previousInstruction;
      }).filter(function (c) {
        return c;
      });
    };

    NavigationInstruction.prototype.addViewPortInstruction = function addViewPortInstruction(viewPortName, strategy, moduleId, component) {
      var config = Object.assign({}, this.lifecycleArgs[1], { currentViewPort: viewPortName });
      var viewportInstruction = this.viewPortInstructions[viewPortName] = {
        name: viewPortName,
        strategy: strategy,
        moduleId: moduleId,
        component: component,
        childRouter: component.childRouter,
        lifecycleArgs: [].concat(this.lifecycleArgs[0], config, this.lifecycleArgs[2])
      };

      return viewportInstruction;
    };

    NavigationInstruction.prototype.getWildCardName = function getWildCardName() {
      var wildcardIndex = this.config.route.lastIndexOf('*');
      return this.config.route.substr(wildcardIndex + 1);
    };

    NavigationInstruction.prototype.getWildcardPath = function getWildcardPath() {
      var wildcardName = this.getWildCardName();
      var path = this.params[wildcardName] || '';

      if (this.queryString) {
        path += '?' + this.queryString;
      }

      return path;
    };

    NavigationInstruction.prototype.getBaseUrl = function getBaseUrl() {
      var _this = this;

      var fragment = decodeURI(this.fragment);

      if (fragment === '') {
        var nonEmptyRoute = this.router.routes.find(function (route) {
          return route.name === _this.config.name && route.route !== '';
        });
        if (nonEmptyRoute) {
          fragment = nonEmptyRoute.route;
        }
      }

      if (!this.params) {
        return encodeURI(fragment);
      }

      var wildcardName = this.getWildCardName();
      var path = this.params[wildcardName] || '';

      if (!path) {
        return encodeURI(fragment);
      }

      return encodeURI(fragment.substr(0, fragment.lastIndexOf(path)));
    };

    NavigationInstruction.prototype._commitChanges = function _commitChanges(waitToSwap) {
      var _this2 = this;

      var router = this.router;
      router.currentInstruction = this;

      if (this.previousInstruction) {
        this.previousInstruction.config.navModel.isActive = false;
      }

      this.config.navModel.isActive = true;

      router._refreshBaseUrl();
      router.refreshNavigation();

      var loads = [];
      var delaySwaps = [];

      var _loop = function _loop(viewPortName) {
        var viewPortInstruction = _this2.viewPortInstructions[viewPortName];
        var viewPort = router.viewPorts[viewPortName];

        if (!viewPort) {
          throw new Error('There was no router-view found in the view for ' + viewPortInstruction.moduleId + '.');
        }

        if (viewPortInstruction.strategy === activationStrategy.replace) {
          if (viewPortInstruction.childNavigationInstruction && viewPortInstruction.childNavigationInstruction.parentCatchHandler) {
            loads.push(viewPortInstruction.childNavigationInstruction._commitChanges());
          } else {
            if (waitToSwap) {
              delaySwaps.push({ viewPort: viewPort, viewPortInstruction: viewPortInstruction });
            }
            loads.push(viewPort.process(viewPortInstruction, waitToSwap).then(function (x) {
              if (viewPortInstruction.childNavigationInstruction) {
                return viewPortInstruction.childNavigationInstruction._commitChanges();
              }

              return undefined;
            }));
          }
        } else {
          if (viewPortInstruction.childNavigationInstruction) {
            loads.push(viewPortInstruction.childNavigationInstruction._commitChanges(waitToSwap));
          }
        }
      };

      for (var viewPortName in this.viewPortInstructions) {
        _loop(viewPortName);
      }

      return Promise.all(loads).then(function () {
        delaySwaps.forEach(function (x) {
          return x.viewPort.swap(x.viewPortInstruction);
        });
        return null;
      }).then(function () {
        return prune(_this2);
      });
    };

    NavigationInstruction.prototype._updateTitle = function _updateTitle() {
      var title = this._buildTitle();
      if (title) {
        this.router.history.setTitle(title);
      }
    };

    NavigationInstruction.prototype._buildTitle = function _buildTitle() {
      var separator = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : ' | ';

      var title = '';
      var childTitles = [];

      if (this.config.navModel.title) {
        title = this.router.transformTitle(this.config.navModel.title);
      }

      for (var viewPortName in this.viewPortInstructions) {
        var _viewPortInstruction = this.viewPortInstructions[viewPortName];

        if (_viewPortInstruction.childNavigationInstruction) {
          var childTitle = _viewPortInstruction.childNavigationInstruction._buildTitle(separator);
          if (childTitle) {
            childTitles.push(childTitle);
          }
        }
      }

      if (childTitles.length) {
        title = childTitles.join(separator) + (title ? separator : '') + title;
      }

      if (this.router.title) {
        title += (title ? separator : '') + this.router.transformTitle(this.router.title);
      }

      return title;
    };

    return NavigationInstruction;
  }();

  function prune(instruction) {
    instruction.previousInstruction = null;
    instruction.plan = null;
  }

  var NavModel = exports.NavModel = function () {
    function NavModel(router, relativeHref) {
      

      this.isActive = false;
      this.title = null;
      this.href = null;
      this.relativeHref = null;
      this.settings = {};
      this.config = null;

      this.router = router;
      this.relativeHref = relativeHref;
    }

    NavModel.prototype.setTitle = function setTitle(title) {
      this.title = title;

      if (this.isActive) {
        this.router.updateTitle();
      }
    };

    return NavModel;
  }();

  function isNavigationCommand(obj) {
    return obj && typeof obj.navigate === 'function';
  }

  var Redirect = exports.Redirect = function () {
    function Redirect(url) {
      var options = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};

      

      this.url = url;
      this.options = Object.assign({ trigger: true, replace: true }, options);
      this.shouldContinueProcessing = false;
    }

    Redirect.prototype.setRouter = function setRouter(router) {
      this.router = router;
    };

    Redirect.prototype.navigate = function navigate(appRouter) {
      var navigatingRouter = this.options.useAppRouter ? appRouter : this.router || appRouter;
      navigatingRouter.navigate(this.url, this.options);
    };

    return Redirect;
  }();

  var RedirectToRoute = exports.RedirectToRoute = function () {
    function RedirectToRoute(route) {
      var params = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {};
      var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};

      

      this.route = route;
      this.params = params;
      this.options = Object.assign({ trigger: true, replace: true }, options);
      this.shouldContinueProcessing = false;
    }

    RedirectToRoute.prototype.setRouter = function setRouter(router) {
      this.router = router;
    };

    RedirectToRoute.prototype.navigate = function navigate(appRouter) {
      var navigatingRouter = this.options.useAppRouter ? appRouter : this.router || appRouter;
      navigatingRouter.navigateToRoute(this.route, this.params, this.options);
    };

    return RedirectToRoute;
  }();

  var RouterConfiguration = exports.RouterConfiguration = function () {
    function RouterConfiguration() {
      

      this.instructions = [];
      this.options = {};
      this.pipelineSteps = [];
    }

    RouterConfiguration.prototype.addPipelineStep = function addPipelineStep(name, step) {
      this.pipelineSteps.push({ name: name, step: step });
      return this;
    };

    RouterConfiguration.prototype.addAuthorizeStep = function addAuthorizeStep(step) {
      return this.addPipelineStep('authorize', step);
    };

    RouterConfiguration.prototype.addPreActivateStep = function addPreActivateStep(step) {
      return this.addPipelineStep('preActivate', step);
    };

    RouterConfiguration.prototype.addPreRenderStep = function addPreRenderStep(step) {
      return this.addPipelineStep('preRender', step);
    };

    RouterConfiguration.prototype.addPostRenderStep = function addPostRenderStep(step) {
      return this.addPipelineStep('postRender', step);
    };

    RouterConfiguration.prototype.fallbackRoute = function fallbackRoute(fragment) {
      this._fallbackRoute = fragment;
      return this;
    };

    RouterConfiguration.prototype.map = function map(route) {
      if (Array.isArray(route)) {
        route.forEach(this.map.bind(this));
        return this;
      }

      return this.mapRoute(route);
    };

    RouterConfiguration.prototype.mapRoute = function mapRoute(config) {
      this.instructions.push(function (router) {
        var routeConfigs = [];

        if (Array.isArray(config.route)) {
          for (var i = 0, ii = config.route.length; i < ii; ++i) {
            var _current = Object.assign({}, config);
            _current.route = config.route[i];
            routeConfigs.push(_current);
          }
        } else {
          routeConfigs.push(Object.assign({}, config));
        }

        var navModel = void 0;
        for (var _i = 0, _ii = routeConfigs.length; _i < _ii; ++_i) {
          var _routeConfig = routeConfigs[_i];
          _routeConfig.settings = _routeConfig.settings || {};
          if (!navModel) {
            navModel = router.createNavModel(_routeConfig);
          }

          router.addRoute(_routeConfig, navModel);
        }
      });

      return this;
    };

    RouterConfiguration.prototype.mapUnknownRoutes = function mapUnknownRoutes(config) {
      this.unknownRouteConfig = config;
      return this;
    };

    RouterConfiguration.prototype.exportToRouter = function exportToRouter(router) {
      var instructions = this.instructions;
      for (var i = 0, ii = instructions.length; i < ii; ++i) {
        instructions[i](router);
      }

      if (this.title) {
        router.title = this.title;
      }

      if (this.unknownRouteConfig) {
        router.handleUnknownRoutes(this.unknownRouteConfig);
      }

      if (this._fallbackRoute) {
        router.fallbackRoute = this._fallbackRoute;
      }

      router.options = this.options;

      var pipelineSteps = this.pipelineSteps;
      if (pipelineSteps.length) {
        if (!router.isRoot) {
          throw new Error('Pipeline steps can only be added to the root router');
        }

        var pipelineProvider = router.pipelineProvider;
        for (var _i2 = 0, _ii2 = pipelineSteps.length; _i2 < _ii2; ++_i2) {
          var _pipelineSteps$_i = pipelineSteps[_i2],
              _name = _pipelineSteps$_i.name,
              step = _pipelineSteps$_i.step;

          pipelineProvider.addStep(_name, step);
        }
      }
    };

    return RouterConfiguration;
  }();

  var activationStrategy = exports.activationStrategy = {
    noChange: 'no-change',
    invokeLifecycle: 'invoke-lifecycle',
    replace: 'replace'
  };

  var BuildNavigationPlanStep = exports.BuildNavigationPlanStep = function () {
    function BuildNavigationPlanStep() {
      
    }

    BuildNavigationPlanStep.prototype.run = function run(navigationInstruction, next) {
      return _buildNavigationPlan(navigationInstruction).then(function (plan) {
        navigationInstruction.plan = plan;
        return next();
      }).catch(next.cancel);
    };

    return BuildNavigationPlanStep;
  }();

  function _buildNavigationPlan(instruction, forceLifecycleMinimum) {
    var prev = instruction.previousInstruction;
    var config = instruction.config;
    var plan = {};

    if ('redirect' in config) {
      var redirectLocation = _resolveUrl(config.redirect, getInstructionBaseUrl(instruction));
      if (instruction.queryString) {
        redirectLocation += '?' + instruction.queryString;
      }

      return Promise.reject(new Redirect(redirectLocation));
    }

    if (prev) {
      var newParams = hasDifferentParameterValues(prev, instruction);
      var pending = [];

      var _loop2 = function _loop2(viewPortName) {
        var prevViewPortInstruction = prev.viewPortInstructions[viewPortName];
        var nextViewPortConfig = config.viewPorts[viewPortName];

        if (!nextViewPortConfig) throw new Error('Invalid Route Config: Configuration for viewPort "' + viewPortName + '" was not found for route: "' + instruction.config.route + '."');

        var viewPortPlan = plan[viewPortName] = {
          name: viewPortName,
          config: nextViewPortConfig,
          prevComponent: prevViewPortInstruction.component,
          prevModuleId: prevViewPortInstruction.moduleId
        };

        if (prevViewPortInstruction.moduleId !== nextViewPortConfig.moduleId) {
          viewPortPlan.strategy = activationStrategy.replace;
        } else if ('determineActivationStrategy' in prevViewPortInstruction.component.viewModel) {
          var _prevViewPortInstruct;

          viewPortPlan.strategy = (_prevViewPortInstruct = prevViewPortInstruction.component.viewModel).determineActivationStrategy.apply(_prevViewPortInstruct, instruction.lifecycleArgs);
        } else if (config.activationStrategy) {
          viewPortPlan.strategy = config.activationStrategy;
        } else if (newParams || forceLifecycleMinimum) {
          viewPortPlan.strategy = activationStrategy.invokeLifecycle;
        } else {
          viewPortPlan.strategy = activationStrategy.noChange;
        }

        if (viewPortPlan.strategy !== activationStrategy.replace && prevViewPortInstruction.childRouter) {
          var path = instruction.getWildcardPath();
          var task = prevViewPortInstruction.childRouter._createNavigationInstruction(path, instruction).then(function (childInstruction) {
            viewPortPlan.childNavigationInstruction = childInstruction;

            return _buildNavigationPlan(childInstruction, viewPortPlan.strategy === activationStrategy.invokeLifecycle).then(function (childPlan) {
              childInstruction.plan = childPlan;
            });
          });

          pending.push(task);
        }
      };

      for (var viewPortName in prev.viewPortInstructions) {
        _loop2(viewPortName);
      }

      return Promise.all(pending).then(function () {
        return plan;
      });
    }

    for (var viewPortName in config.viewPorts) {
      plan[viewPortName] = {
        name: viewPortName,
        strategy: activationStrategy.replace,
        config: instruction.config.viewPorts[viewPortName]
      };
    }

    return Promise.resolve(plan);
  }

  function hasDifferentParameterValues(prev, next) {
    var prevParams = prev.params;
    var nextParams = next.params;
    var nextWildCardName = next.config.hasChildRouter ? next.getWildCardName() : null;

    for (var key in nextParams) {
      if (key === nextWildCardName) {
        continue;
      }

      if (prevParams[key] !== nextParams[key]) {
        return true;
      }
    }

    for (var _key in prevParams) {
      if (_key === nextWildCardName) {
        continue;
      }

      if (prevParams[_key] !== nextParams[_key]) {
        return true;
      }
    }

    if (!next.options.compareQueryParams) {
      return false;
    }

    var prevQueryParams = prev.queryParams;
    var nextQueryParams = next.queryParams;
    for (var _key2 in nextQueryParams) {
      if (prevQueryParams[_key2] !== nextQueryParams[_key2]) {
        return true;
      }
    }

    for (var _key3 in prevQueryParams) {
      if (prevQueryParams[_key3] !== nextQueryParams[_key3]) {
        return true;
      }
    }

    return false;
  }

  function getInstructionBaseUrl(instruction) {
    var instructionBaseUrlParts = [];
    instruction = instruction.parentInstruction;

    while (instruction) {
      instructionBaseUrlParts.unshift(instruction.getBaseUrl());
      instruction = instruction.parentInstruction;
    }

    instructionBaseUrlParts.unshift('/');
    return instructionBaseUrlParts.join('');
  }

  var Router = exports.Router = function () {
    function Router(container, history) {
      var _this3 = this;

      

      this.parent = null;
      this.options = {};

      this.transformTitle = function (title) {
        if (_this3.parent) {
          return _this3.parent.transformTitle(title);
        }
        return title;
      };

      this.container = container;
      this.history = history;
      this.reset();
    }

    Router.prototype.reset = function reset() {
      var _this4 = this;

      this.viewPorts = {};
      this.routes = [];
      this.baseUrl = '';
      this.isConfigured = false;
      this.isNavigating = false;
      this.isExplicitNavigation = false;
      this.isExplicitNavigationBack = false;
      this.navigation = [];
      this.currentInstruction = null;
      this._fallbackOrder = 100;
      this._recognizer = new _aureliaRouteRecognizer.RouteRecognizer();
      this._childRecognizer = new _aureliaRouteRecognizer.RouteRecognizer();
      this._configuredPromise = new Promise(function (resolve) {
        _this4._resolveConfiguredPromise = resolve;
      });
    };

    Router.prototype.registerViewPort = function registerViewPort(viewPort, name) {
      name = name || 'default';
      this.viewPorts[name] = viewPort;
    };

    Router.prototype.ensureConfigured = function ensureConfigured() {
      return this._configuredPromise;
    };

    Router.prototype.configure = function configure(callbackOrConfig) {
      var _this5 = this;

      this.isConfigured = true;

      var result = callbackOrConfig;
      var config = void 0;
      if (typeof callbackOrConfig === 'function') {
        config = new RouterConfiguration();
        result = callbackOrConfig(config);
      }

      return Promise.resolve(result).then(function (c) {
        if (c && c.exportToRouter) {
          config = c;
        }

        config.exportToRouter(_this5);
        _this5.isConfigured = true;
        _this5._resolveConfiguredPromise();
      });
    };

    Router.prototype.navigate = function navigate(fragment, options) {
      if (!this.isConfigured && this.parent) {
        return this.parent.navigate(fragment, options);
      }

      this.isExplicitNavigation = true;
      return this.history.navigate(_resolveUrl(fragment, this.baseUrl, this.history._hasPushState), options);
    };

    Router.prototype.navigateToRoute = function navigateToRoute(route, params, options) {
      var path = this.generate(route, params);
      return this.navigate(path, options);
    };

    Router.prototype.navigateBack = function navigateBack() {
      this.isExplicitNavigationBack = true;
      this.history.navigateBack();
    };

    Router.prototype.createChild = function createChild(container) {
      var childRouter = new Router(container || this.container.createChild(), this.history);
      childRouter.parent = this;
      return childRouter;
    };

    Router.prototype.generate = function generate(name, params) {
      var options = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};

      var hasRoute = this._recognizer.hasRoute(name);
      if ((!this.isConfigured || !hasRoute) && this.parent) {
        return this.parent.generate(name, params);
      }

      if (!hasRoute) {
        throw new Error('A route with name \'' + name + '\' could not be found. Check that `name: \'' + name + '\'` was specified in the route\'s config.');
      }

      var path = this._recognizer.generate(name, params);
      var rootedPath = _createRootedPath(path, this.baseUrl, this.history._hasPushState, options.absolute);
      return options.absolute ? '' + this.history.getAbsoluteRoot() + rootedPath : rootedPath;
    };

    Router.prototype.createNavModel = function createNavModel(config) {
      var navModel = new NavModel(this, 'href' in config ? config.href : config.route);
      navModel.title = config.title;
      navModel.order = config.nav;
      navModel.href = config.href;
      navModel.settings = config.settings;
      navModel.config = config;

      return navModel;
    };

    Router.prototype.addRoute = function addRoute(config, navModel) {
      validateRouteConfig(config, this.routes);

      if (!('viewPorts' in config) && !config.navigationStrategy) {
        config.viewPorts = {
          'default': {
            moduleId: config.moduleId,
            view: config.view
          }
        };
      }

      if (!navModel) {
        navModel = this.createNavModel(config);
      }

      this.routes.push(config);

      var path = config.route;
      if (path.charAt(0) === '/') {
        path = path.substr(1);
      }
      var caseSensitive = config.caseSensitive === true;
      var state = this._recognizer.add({ path: path, handler: config, caseSensitive: caseSensitive });

      if (path) {
        var _settings = config.settings;
        delete config.settings;
        var withChild = JSON.parse(JSON.stringify(config));
        config.settings = _settings;
        withChild.route = path + '/*childRoute';
        withChild.hasChildRouter = true;
        this._childRecognizer.add({
          path: withChild.route,
          handler: withChild,
          caseSensitive: caseSensitive
        });

        withChild.navModel = navModel;
        withChild.settings = config.settings;
        withChild.navigationStrategy = config.navigationStrategy;
      }

      config.navModel = navModel;

      if ((navModel.order || navModel.order === 0) && this.navigation.indexOf(navModel) === -1) {
        if (!navModel.href && navModel.href !== '' && (state.types.dynamics || state.types.stars)) {
          throw new Error('Invalid route config for "' + config.route + '" : dynamic routes must specify an "href:" to be included in the navigation model.');
        }

        if (typeof navModel.order !== 'number') {
          navModel.order = ++this._fallbackOrder;
        }

        this.navigation.push(navModel);
        this.navigation = this.navigation.sort(function (a, b) {
          return a.order - b.order;
        });
      }
    };

    Router.prototype.hasRoute = function hasRoute(name) {
      return !!(this._recognizer.hasRoute(name) || this.parent && this.parent.hasRoute(name));
    };

    Router.prototype.hasOwnRoute = function hasOwnRoute(name) {
      return this._recognizer.hasRoute(name);
    };

    Router.prototype.handleUnknownRoutes = function handleUnknownRoutes(config) {
      var _this6 = this;

      if (!config) {
        throw new Error('Invalid unknown route handler');
      }

      this.catchAllHandler = function (instruction) {
        return _this6._createRouteConfig(config, instruction).then(function (c) {
          instruction.config = c;
          return instruction;
        });
      };
    };

    Router.prototype.updateTitle = function updateTitle() {
      if (this.parent) {
        return this.parent.updateTitle();
      }

      if (this.currentInstruction) {
        this.currentInstruction._updateTitle();
      }
      return undefined;
    };

    Router.prototype.refreshNavigation = function refreshNavigation() {
      var nav = this.navigation;

      for (var i = 0, length = nav.length; i < length; i++) {
        var _current2 = nav[i];
        if (!_current2.config.href) {
          _current2.href = _createRootedPath(_current2.relativeHref, this.baseUrl, this.history._hasPushState);
        } else {
          _current2.href = _normalizeAbsolutePath(_current2.config.href, this.history._hasPushState);
        }
      }
    };

    Router.prototype._refreshBaseUrl = function _refreshBaseUrl() {
      if (this.parent) {
        var baseUrl = this.parent.currentInstruction.getBaseUrl();
        this.baseUrl = this.parent.baseUrl + baseUrl;
      }
    };

    Router.prototype._createNavigationInstruction = function _createNavigationInstruction() {
      var url = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';
      var parentInstruction = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;

      var fragment = url;
      var queryString = '';

      var queryIndex = url.indexOf('?');
      if (queryIndex !== -1) {
        fragment = url.substr(0, queryIndex);
        queryString = url.substr(queryIndex + 1);
      }

      var results = this._recognizer.recognize(url);
      if (!results || !results.length) {
        results = this._childRecognizer.recognize(url);
      }

      var instructionInit = {
        fragment: fragment,
        queryString: queryString,
        config: null,
        parentInstruction: parentInstruction,
        previousInstruction: this.currentInstruction,
        router: this,
        options: {
          compareQueryParams: this.options.compareQueryParams
        }
      };

      if (results && results.length) {
        var first = results[0];
        var _instruction = new NavigationInstruction(Object.assign({}, instructionInit, {
          params: first.params,
          queryParams: first.queryParams || results.queryParams,
          config: first.config || first.handler
        }));

        if (typeof first.handler === 'function') {
          return evaluateNavigationStrategy(_instruction, first.handler, first);
        } else if (first.handler && typeof first.handler.navigationStrategy === 'function') {
          return evaluateNavigationStrategy(_instruction, first.handler.navigationStrategy, first.handler);
        }

        return Promise.resolve(_instruction);
      } else if (this.catchAllHandler) {
        var _instruction2 = new NavigationInstruction(Object.assign({}, instructionInit, {
          params: { path: fragment },
          queryParams: results ? results.queryParams : {},
          config: null }));

        return evaluateNavigationStrategy(_instruction2, this.catchAllHandler);
      } else if (this.parent) {
        var _router = this._parentCatchAllHandler(this.parent);

        if (_router) {
          var newParentInstruction = this._findParentInstructionFromRouter(_router, parentInstruction);

          var _instruction3 = new NavigationInstruction(Object.assign({}, instructionInit, {
            params: { path: fragment },
            queryParams: results ? results.queryParams : {},
            router: _router,
            parentInstruction: newParentInstruction,
            parentCatchHandler: true,
            config: null }));

          return evaluateNavigationStrategy(_instruction3, _router.catchAllHandler);
        }
      }

      return Promise.reject(new Error('Route not found: ' + url));
    };

    Router.prototype._findParentInstructionFromRouter = function _findParentInstructionFromRouter(router, instruction) {
      if (instruction.router === router) {
        instruction.fragment = router.baseUrl;
        return instruction;
      } else if (instruction.parentInstruction) {
        return this._findParentInstructionFromRouter(router, instruction.parentInstruction);
      }
      return undefined;
    };

    Router.prototype._parentCatchAllHandler = function _parentCatchAllHandler(router) {
      if (router.catchAllHandler) {
        return router;
      } else if (router.parent) {
        return this._parentCatchAllHandler(router.parent);
      }
      return false;
    };

    Router.prototype._createRouteConfig = function _createRouteConfig(config, instruction) {
      var _this7 = this;

      return Promise.resolve(config).then(function (c) {
        if (typeof c === 'string') {
          return { moduleId: c };
        } else if (typeof c === 'function') {
          return c(instruction);
        }

        return c;
      }).then(function (c) {
        return typeof c === 'string' ? { moduleId: c } : c;
      }).then(function (c) {
        c.route = instruction.params.path;
        validateRouteConfig(c, _this7.routes);

        if (!c.navModel) {
          c.navModel = _this7.createNavModel(c);
        }

        return c;
      });
    };

    _createClass(Router, [{
      key: 'isRoot',
      get: function get() {
        return !this.parent;
      }
    }]);

    return Router;
  }();

  function validateRouteConfig(config, routes) {
    if ((typeof config === 'undefined' ? 'undefined' : _typeof(config)) !== 'object') {
      throw new Error('Invalid Route Config');
    }

    if (typeof config.route !== 'string') {
      var _name2 = config.name || '(no name)';
      throw new Error('Invalid Route Config for "' + _name2 + '": You must specify a "route:" pattern.');
    }

    if (!('redirect' in config || config.moduleId || config.navigationStrategy || config.viewPorts)) {
      throw new Error('Invalid Route Config for "' + config.route + '": You must specify a "moduleId:", "redirect:", "navigationStrategy:", or "viewPorts:".');
    }
  }

  function evaluateNavigationStrategy(instruction, evaluator, context) {
    return Promise.resolve(evaluator.call(context, instruction)).then(function () {
      if (!('viewPorts' in instruction.config)) {
        instruction.config.viewPorts = {
          'default': {
            moduleId: instruction.config.moduleId
          }
        };
      }

      return instruction;
    });
  }

  var CanDeactivatePreviousStep = exports.CanDeactivatePreviousStep = function () {
    function CanDeactivatePreviousStep() {
      
    }

    CanDeactivatePreviousStep.prototype.run = function run(navigationInstruction, next) {
      return processDeactivatable(navigationInstruction, 'canDeactivate', next);
    };

    return CanDeactivatePreviousStep;
  }();

  var CanActivateNextStep = exports.CanActivateNextStep = function () {
    function CanActivateNextStep() {
      
    }

    CanActivateNextStep.prototype.run = function run(navigationInstruction, next) {
      return processActivatable(navigationInstruction, 'canActivate', next);
    };

    return CanActivateNextStep;
  }();

  var DeactivatePreviousStep = exports.DeactivatePreviousStep = function () {
    function DeactivatePreviousStep() {
      
    }

    DeactivatePreviousStep.prototype.run = function run(navigationInstruction, next) {
      return processDeactivatable(navigationInstruction, 'deactivate', next, true);
    };

    return DeactivatePreviousStep;
  }();

  var ActivateNextStep = exports.ActivateNextStep = function () {
    function ActivateNextStep() {
      
    }

    ActivateNextStep.prototype.run = function run(navigationInstruction, next) {
      return processActivatable(navigationInstruction, 'activate', next, true);
    };

    return ActivateNextStep;
  }();

  function processDeactivatable(navigationInstruction, callbackName, next, ignoreResult) {
    var plan = navigationInstruction.plan;
    var infos = findDeactivatable(plan, callbackName);
    var i = infos.length;

    function inspect(val) {
      if (ignoreResult || shouldContinue(val)) {
        return iterate();
      }

      return next.cancel(val);
    }

    function iterate() {
      if (i--) {
        try {
          var viewModel = infos[i];
          var _result = viewModel[callbackName](navigationInstruction);
          return processPotential(_result, inspect, next.cancel);
        } catch (error) {
          return next.cancel(error);
        }
      }

      return next();
    }

    return iterate();
  }

  function findDeactivatable(plan, callbackName) {
    var list = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : [];

    for (var viewPortName in plan) {
      var _viewPortPlan = plan[viewPortName];
      var prevComponent = _viewPortPlan.prevComponent;

      if ((_viewPortPlan.strategy === activationStrategy.invokeLifecycle || _viewPortPlan.strategy === activationStrategy.replace) && prevComponent) {
        var viewModel = prevComponent.viewModel;

        if (callbackName in viewModel) {
          list.push(viewModel);
        }
      }

      if (_viewPortPlan.strategy === activationStrategy.replace && prevComponent) {
        addPreviousDeactivatable(prevComponent, callbackName, list);
      } else if (_viewPortPlan.childNavigationInstruction) {
        findDeactivatable(_viewPortPlan.childNavigationInstruction.plan, callbackName, list);
      }
    }

    return list;
  }

  function addPreviousDeactivatable(component, callbackName, list) {
    var childRouter = component.childRouter;

    if (childRouter && childRouter.currentInstruction) {
      var viewPortInstructions = childRouter.currentInstruction.viewPortInstructions;

      for (var viewPortName in viewPortInstructions) {
        var _viewPortInstruction2 = viewPortInstructions[viewPortName];
        var prevComponent = _viewPortInstruction2.component;
        var prevViewModel = prevComponent.viewModel;

        if (callbackName in prevViewModel) {
          list.push(prevViewModel);
        }

        addPreviousDeactivatable(prevComponent, callbackName, list);
      }
    }
  }

  function processActivatable(navigationInstruction, callbackName, next, ignoreResult) {
    var infos = findActivatable(navigationInstruction, callbackName);
    var length = infos.length;
    var i = -1;

    function inspect(val, router) {
      if (ignoreResult || shouldContinue(val, router)) {
        return iterate();
      }

      return next.cancel(val);
    }

    function iterate() {
      i++;

      if (i < length) {
        try {
          var _current3$viewModel;

          var _current3 = infos[i];
          var _result2 = (_current3$viewModel = _current3.viewModel)[callbackName].apply(_current3$viewModel, _current3.lifecycleArgs);
          return processPotential(_result2, function (val) {
            return inspect(val, _current3.router);
          }, next.cancel);
        } catch (error) {
          return next.cancel(error);
        }
      }

      return next();
    }

    return iterate();
  }

  function findActivatable(navigationInstruction, callbackName) {
    var list = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : [];
    var router = arguments[3];

    var plan = navigationInstruction.plan;

    Object.keys(plan).filter(function (viewPortName) {
      var viewPortPlan = plan[viewPortName];
      var viewPortInstruction = navigationInstruction.viewPortInstructions[viewPortName];
      var viewModel = viewPortInstruction.component.viewModel;

      if ((viewPortPlan.strategy === activationStrategy.invokeLifecycle || viewPortPlan.strategy === activationStrategy.replace) && callbackName in viewModel) {
        list.push({
          viewModel: viewModel,
          lifecycleArgs: viewPortInstruction.lifecycleArgs,
          router: router
        });
      }

      if (viewPortPlan.childNavigationInstruction) {
        findActivatable(viewPortPlan.childNavigationInstruction, callbackName, list, viewPortInstruction.component.childRouter || router);
      }
    });

    return list;
  }

  function shouldContinue(output, router) {
    if (output instanceof Error) {
      return false;
    }

    if (isNavigationCommand(output)) {
      if (typeof output.setRouter === 'function') {
        output.setRouter(router);
      }

      return !!output.shouldContinueProcessing;
    }

    if (output === undefined) {
      return true;
    }

    return output;
  }

  var SafeSubscription = function () {
    function SafeSubscription(subscriptionFunc) {
      

      this._subscribed = true;
      this._subscription = subscriptionFunc(this);

      if (!this._subscribed) this.unsubscribe();
    }

    SafeSubscription.prototype.unsubscribe = function unsubscribe() {
      if (this._subscribed && this._subscription) this._subscription.unsubscribe();

      this._subscribed = false;
    };

    _createClass(SafeSubscription, [{
      key: 'subscribed',
      get: function get() {
        return this._subscribed;
      }
    }]);

    return SafeSubscription;
  }();

  function processPotential(obj, resolve, reject) {
    if (obj && typeof obj.then === 'function') {
      return Promise.resolve(obj).then(resolve).catch(reject);
    }

    if (obj && typeof obj.subscribe === 'function') {
      var obs = obj;
      return new SafeSubscription(function (sub) {
        return obs.subscribe({
          next: function next() {
            if (sub.subscribed) {
              sub.unsubscribe();
              resolve(obj);
            }
          },
          error: function error(_error) {
            if (sub.subscribed) {
              sub.unsubscribe();
              reject(_error);
            }
          },
          complete: function complete() {
            if (sub.subscribed) {
              sub.unsubscribe();
              resolve(obj);
            }
          }
        });
      });
    }

    try {
      return resolve(obj);
    } catch (error) {
      return reject(error);
    }
  }

  var RouteLoader = exports.RouteLoader = function () {
    function RouteLoader() {
      
    }

    RouteLoader.prototype.loadRoute = function loadRoute(router, config, navigationInstruction) {
      throw Error('Route loaders must implement "loadRoute(router, config, navigationInstruction)".');
    };

    return RouteLoader;
  }();

  var LoadRouteStep = exports.LoadRouteStep = function () {
    LoadRouteStep.inject = function inject() {
      return [RouteLoader];
    };

    function LoadRouteStep(routeLoader) {
      

      this.routeLoader = routeLoader;
    }

    LoadRouteStep.prototype.run = function run(navigationInstruction, next) {
      return loadNewRoute(this.routeLoader, navigationInstruction).then(next).catch(next.cancel);
    };

    return LoadRouteStep;
  }();

  function loadNewRoute(routeLoader, navigationInstruction) {
    var toLoad = determineWhatToLoad(navigationInstruction);
    var loadPromises = toLoad.map(function (current) {
      return loadRoute(routeLoader, current.navigationInstruction, current.viewPortPlan);
    });

    return Promise.all(loadPromises);
  }

  function determineWhatToLoad(navigationInstruction) {
    var toLoad = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];

    var plan = navigationInstruction.plan;

    for (var viewPortName in plan) {
      var _viewPortPlan2 = plan[viewPortName];

      if (_viewPortPlan2.strategy === activationStrategy.replace) {
        toLoad.push({ viewPortPlan: _viewPortPlan2, navigationInstruction: navigationInstruction });

        if (_viewPortPlan2.childNavigationInstruction) {
          determineWhatToLoad(_viewPortPlan2.childNavigationInstruction, toLoad);
        }
      } else {
        var _viewPortInstruction3 = navigationInstruction.addViewPortInstruction(viewPortName, _viewPortPlan2.strategy, _viewPortPlan2.prevModuleId, _viewPortPlan2.prevComponent);

        if (_viewPortPlan2.childNavigationInstruction) {
          _viewPortInstruction3.childNavigationInstruction = _viewPortPlan2.childNavigationInstruction;
          determineWhatToLoad(_viewPortPlan2.childNavigationInstruction, toLoad);
        }
      }
    }

    return toLoad;
  }

  function loadRoute(routeLoader, navigationInstruction, viewPortPlan) {
    var moduleId = viewPortPlan.config.moduleId;

    return loadComponent(routeLoader, navigationInstruction, viewPortPlan.config).then(function (component) {
      var viewPortInstruction = navigationInstruction.addViewPortInstruction(viewPortPlan.name, viewPortPlan.strategy, moduleId, component);

      var childRouter = component.childRouter;
      if (childRouter) {
        var path = navigationInstruction.getWildcardPath();

        return childRouter._createNavigationInstruction(path, navigationInstruction).then(function (childInstruction) {
          viewPortPlan.childNavigationInstruction = childInstruction;

          return _buildNavigationPlan(childInstruction).then(function (childPlan) {
            childInstruction.plan = childPlan;
            viewPortInstruction.childNavigationInstruction = childInstruction;

            return loadNewRoute(routeLoader, childInstruction);
          });
        });
      }

      return undefined;
    });
  }

  function loadComponent(routeLoader, navigationInstruction, config) {
    var router = navigationInstruction.router;
    var lifecycleArgs = navigationInstruction.lifecycleArgs;

    return routeLoader.loadRoute(router, config, navigationInstruction).then(function (component) {
      var viewModel = component.viewModel,
          childContainer = component.childContainer;

      component.router = router;
      component.config = config;

      if ('configureRouter' in viewModel) {
        var childRouter = childContainer.getChildRouter();
        component.childRouter = childRouter;

        return childRouter.configure(function (c) {
          return viewModel.configureRouter.apply(viewModel, [c, childRouter].concat(lifecycleArgs));
        }).then(function () {
          return component;
        });
      }

      return component;
    });
  }

  var PipelineSlot = function () {
    function PipelineSlot(container, name, alias) {
      

      this.steps = [];

      this.container = container;
      this.slotName = name;
      this.slotAlias = alias;
    }

    PipelineSlot.prototype.getSteps = function getSteps() {
      var _this8 = this;

      return this.steps.map(function (x) {
        return _this8.container.get(x);
      });
    };

    return PipelineSlot;
  }();

  var PipelineProvider = exports.PipelineProvider = function () {
    PipelineProvider.inject = function inject() {
      return [_aureliaDependencyInjection.Container];
    };

    function PipelineProvider(container) {
      

      this.container = container;
      this.steps = [BuildNavigationPlanStep, CanDeactivatePreviousStep, LoadRouteStep, this._createPipelineSlot('authorize'), CanActivateNextStep, this._createPipelineSlot('preActivate', 'modelbind'), DeactivatePreviousStep, ActivateNextStep, this._createPipelineSlot('preRender', 'precommit'), CommitChangesStep, this._createPipelineSlot('postRender', 'postcomplete')];
    }

    PipelineProvider.prototype.createPipeline = function createPipeline() {
      var _this9 = this;

      var pipeline = new Pipeline();
      this.steps.forEach(function (step) {
        return pipeline.addStep(_this9.container.get(step));
      });
      return pipeline;
    };

    PipelineProvider.prototype._findStep = function _findStep(name) {
      return this.steps.find(function (x) {
        return x.slotName === name || x.slotAlias === name;
      });
    };

    PipelineProvider.prototype.addStep = function addStep(name, step) {
      var found = this._findStep(name);
      if (found) {
        if (!found.steps.includes(step)) {
          found.steps.push(step);
        }
      } else {
        throw new Error('Invalid pipeline slot name: ' + name + '.');
      }
    };

    PipelineProvider.prototype.removeStep = function removeStep(name, step) {
      var slot = this._findStep(name);
      if (slot) {
        slot.steps.splice(slot.steps.indexOf(step), 1);
      }
    };

    PipelineProvider.prototype._clearSteps = function _clearSteps() {
      var name = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : '';

      var slot = this._findStep(name);
      if (slot) {
        slot.steps = [];
      }
    };

    PipelineProvider.prototype.reset = function reset() {
      this._clearSteps('authorize');
      this._clearSteps('preActivate');
      this._clearSteps('preRender');
      this._clearSteps('postRender');
    };

    PipelineProvider.prototype._createPipelineSlot = function _createPipelineSlot(name, alias) {
      return new PipelineSlot(this.container, name, alias);
    };

    return PipelineProvider;
  }();

  var logger = LogManager.getLogger('app-router');

  var AppRouter = exports.AppRouter = function (_Router) {
    _inherits(AppRouter, _Router);

    AppRouter.inject = function inject() {
      return [_aureliaDependencyInjection.Container, _aureliaHistory.History, PipelineProvider, _aureliaEventAggregator.EventAggregator];
    };

    function AppRouter(container, history, pipelineProvider, events) {
      

      var _this10 = _possibleConstructorReturn(this, _Router.call(this, container, history));

      _this10.pipelineProvider = pipelineProvider;
      _this10.events = events;
      return _this10;
    }

    AppRouter.prototype.reset = function reset() {
      _Router.prototype.reset.call(this);
      this.maxInstructionCount = 10;
      if (!this._queue) {
        this._queue = [];
      } else {
        this._queue.length = 0;
      }
    };

    AppRouter.prototype.loadUrl = function loadUrl(url) {
      var _this11 = this;

      return this._createNavigationInstruction(url).then(function (instruction) {
        return _this11._queueInstruction(instruction);
      }).catch(function (error) {
        logger.error(error);
        restorePreviousLocation(_this11);
      });
    };

    AppRouter.prototype.registerViewPort = function registerViewPort(viewPort, name) {
      var _this12 = this;

      _Router.prototype.registerViewPort.call(this, viewPort, name);

      if (!this.isActive) {
        var viewModel = this._findViewModel(viewPort);
        if ('configureRouter' in viewModel) {
          if (!this.isConfigured) {
            var resolveConfiguredPromise = this._resolveConfiguredPromise;
            this._resolveConfiguredPromise = function () {};
            return this.configure(function (config) {
              return viewModel.configureRouter(config, _this12);
            }).then(function () {
              _this12.activate();
              resolveConfiguredPromise();
            });
          }
        } else {
          this.activate();
        }
      } else {
        this._dequeueInstruction();
      }

      return Promise.resolve();
    };

    AppRouter.prototype.activate = function activate(options) {
      if (this.isActive) {
        return;
      }

      this.isActive = true;
      this.options = Object.assign({ routeHandler: this.loadUrl.bind(this) }, this.options, options);
      this.history.activate(this.options);
      this._dequeueInstruction();
    };

    AppRouter.prototype.deactivate = function deactivate() {
      this.isActive = false;
      this.history.deactivate();
    };

    AppRouter.prototype._queueInstruction = function _queueInstruction(instruction) {
      var _this13 = this;

      return new Promise(function (resolve) {
        instruction.resolve = resolve;
        _this13._queue.unshift(instruction);
        _this13._dequeueInstruction();
      });
    };

    AppRouter.prototype._dequeueInstruction = function _dequeueInstruction() {
      var _this14 = this;

      var instructionCount = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : 0;

      return Promise.resolve().then(function () {
        if (_this14.isNavigating && !instructionCount) {
          return undefined;
        }

        var instruction = _this14._queue.shift();
        _this14._queue.length = 0;

        if (!instruction) {
          return undefined;
        }

        _this14.isNavigating = true;
        instruction.previousInstruction = _this14.currentInstruction;

        if (!instructionCount) {
          _this14.events.publish('router:navigation:processing', { instruction: instruction });
        } else if (instructionCount === _this14.maxInstructionCount - 1) {
          logger.error(instructionCount + 1 + ' navigation instructions have been attempted without success. Restoring last known good location.');
          restorePreviousLocation(_this14);
          return _this14._dequeueInstruction(instructionCount + 1);
        } else if (instructionCount > _this14.maxInstructionCount) {
          throw new Error('Maximum navigation attempts exceeded. Giving up.');
        }

        var pipeline = _this14.pipelineProvider.createPipeline();

        return pipeline.run(instruction).then(function (result) {
          return processResult(instruction, result, instructionCount, _this14);
        }).catch(function (error) {
          return { output: error instanceof Error ? error : new Error(error) };
        }).then(function (result) {
          return resolveInstruction(instruction, result, !!instructionCount, _this14);
        });
      });
    };

    AppRouter.prototype._findViewModel = function _findViewModel(viewPort) {
      if (this.container.viewModel) {
        return this.container.viewModel;
      }

      if (viewPort.container) {
        var container = viewPort.container;

        while (container) {
          if (container.viewModel) {
            this.container.viewModel = container.viewModel;
            return container.viewModel;
          }

          container = container.parent;
        }
      }

      return undefined;
    };

    return AppRouter;
  }(Router);

  function processResult(instruction, result, instructionCount, router) {
    if (!(result && 'completed' in result && 'output' in result)) {
      result = result || {};
      result.output = new Error('Expected router pipeline to return a navigation result, but got [' + JSON.stringify(result) + '] instead.');
    }

    var finalResult = null;
    if (isNavigationCommand(result.output)) {
      result.output.navigate(router);
    } else {
      finalResult = result;

      if (!result.completed) {
        if (result.output instanceof Error) {
          logger.error(result.output);
        }

        restorePreviousLocation(router);
      }
    }

    return router._dequeueInstruction(instructionCount + 1).then(function (innerResult) {
      return finalResult || innerResult || result;
    });
  }

  function resolveInstruction(instruction, result, isInnerInstruction, router) {
    instruction.resolve(result);

    var eventArgs = { instruction: instruction, result: result };
    if (!isInnerInstruction) {
      router.isNavigating = false;
      router.isExplicitNavigation = false;
      router.isExplicitNavigationBack = false;

      var eventName = void 0;

      if (result.output instanceof Error) {
        eventName = 'error';
      } else if (!result.completed) {
        eventName = 'canceled';
      } else {
        var _queryString = instruction.queryString ? '?' + instruction.queryString : '';
        router.history.previousLocation = instruction.fragment + _queryString;
        eventName = 'success';
      }

      router.events.publish('router:navigation:' + eventName, eventArgs);
      router.events.publish('router:navigation:complete', eventArgs);
    } else {
      router.events.publish('router:navigation:child:complete', eventArgs);
    }

    return result;
  }

  function restorePreviousLocation(router) {
    var previousLocation = router.history.previousLocation;
    if (previousLocation) {
      router.navigate(router.history.previousLocation, { trigger: false, replace: true });
    } else if (router.fallbackRoute) {
      router.navigate(router.fallbackRoute, { trigger: true, replace: true });
    } else {
      logger.error('Router navigation failed, and no previous location or fallbackRoute could be restored.');
    }
  }
});
define('aurelia-templating-binding',['exports', 'aurelia-logging', 'aurelia-binding', 'aurelia-templating'], function (exports, _aureliaLogging, _aureliaBinding, _aureliaTemplating) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.TemplatingBindingLanguage = exports.SyntaxInterpreter = exports.ChildInterpolationBinding = exports.InterpolationBinding = exports.InterpolationBindingExpression = exports.AttributeMap = undefined;
  exports.configure = configure;

  var LogManager = _interopRequireWildcard(_aureliaLogging);

  function _interopRequireWildcard(obj) {
    if (obj && obj.__esModule) {
      return obj;
    } else {
      var newObj = {};

      if (obj != null) {
        for (var key in obj) {
          if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key];
        }
      }

      newObj.default = obj;
      return newObj;
    }
  }

  function _possibleConstructorReturn(self, call) {
    if (!self) {
      throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
    }

    return call && (typeof call === "object" || typeof call === "function") ? call : self;
  }

  function _inherits(subClass, superClass) {
    if (typeof superClass !== "function" && superClass !== null) {
      throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
    }

    subClass.prototype = Object.create(superClass && superClass.prototype, {
      constructor: {
        value: subClass,
        enumerable: false,
        writable: true,
        configurable: true
      }
    });
    if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
  }

  

  var _class, _temp, _dec, _class2, _class3, _temp2, _class4, _temp3;

  var AttributeMap = exports.AttributeMap = (_temp = _class = function () {
    function AttributeMap(svg) {
      

      this.elements = Object.create(null);
      this.allElements = Object.create(null);

      this.svg = svg;

      this.registerUniversal('accesskey', 'accessKey');
      this.registerUniversal('contenteditable', 'contentEditable');
      this.registerUniversal('tabindex', 'tabIndex');
      this.registerUniversal('textcontent', 'textContent');
      this.registerUniversal('innerhtml', 'innerHTML');
      this.registerUniversal('scrolltop', 'scrollTop');
      this.registerUniversal('scrollleft', 'scrollLeft');
      this.registerUniversal('readonly', 'readOnly');

      this.register('label', 'for', 'htmlFor');

      this.register('img', 'usemap', 'useMap');

      this.register('input', 'maxlength', 'maxLength');
      this.register('input', 'minlength', 'minLength');
      this.register('input', 'formaction', 'formAction');
      this.register('input', 'formenctype', 'formEncType');
      this.register('input', 'formmethod', 'formMethod');
      this.register('input', 'formnovalidate', 'formNoValidate');
      this.register('input', 'formtarget', 'formTarget');

      this.register('textarea', 'maxlength', 'maxLength');

      this.register('td', 'rowspan', 'rowSpan');
      this.register('td', 'colspan', 'colSpan');
      this.register('th', 'rowspan', 'rowSpan');
      this.register('th', 'colspan', 'colSpan');
    }

    AttributeMap.prototype.register = function register(elementName, attributeName, propertyName) {
      elementName = elementName.toLowerCase();
      attributeName = attributeName.toLowerCase();
      var element = this.elements[elementName] = this.elements[elementName] || Object.create(null);
      element[attributeName] = propertyName;
    };

    AttributeMap.prototype.registerUniversal = function registerUniversal(attributeName, propertyName) {
      attributeName = attributeName.toLowerCase();
      this.allElements[attributeName] = propertyName;
    };

    AttributeMap.prototype.map = function map(elementName, attributeName) {
      if (this.svg.isStandardSvgAttribute(elementName, attributeName)) {
        return attributeName;
      }
      elementName = elementName.toLowerCase();
      attributeName = attributeName.toLowerCase();
      var element = this.elements[elementName];
      if (element !== undefined && attributeName in element) {
        return element[attributeName];
      }
      if (attributeName in this.allElements) {
        return this.allElements[attributeName];
      }

      if (/(?:^data-)|(?:^aria-)|:/.test(attributeName)) {
        return attributeName;
      }
      return (0, _aureliaBinding.camelCase)(attributeName);
    };

    return AttributeMap;
  }(), _class.inject = [_aureliaBinding.SVGAnalyzer], _temp);

  var InterpolationBindingExpression = exports.InterpolationBindingExpression = function () {
    function InterpolationBindingExpression(observerLocator, targetProperty, parts, mode, lookupFunctions, attribute) {
      

      this.observerLocator = observerLocator;
      this.targetProperty = targetProperty;
      this.parts = parts;
      this.mode = mode;
      this.lookupFunctions = lookupFunctions;
      this.attribute = this.attrToRemove = attribute;
      this.discrete = false;
    }

    InterpolationBindingExpression.prototype.createBinding = function createBinding(target) {
      if (this.parts.length === 3) {
        return new ChildInterpolationBinding(target, this.observerLocator, this.parts[1], this.mode, this.lookupFunctions, this.targetProperty, this.parts[0], this.parts[2]);
      }
      return new InterpolationBinding(this.observerLocator, this.parts, target, this.targetProperty, this.mode, this.lookupFunctions);
    };

    return InterpolationBindingExpression;
  }();

  function validateTarget(target, propertyName) {
    if (propertyName === 'style') {
      LogManager.getLogger('templating-binding').info('Internet Explorer does not support interpolation in "style" attributes.  Use the style attribute\'s alias, "css" instead.');
    } else if (target.parentElement && target.parentElement.nodeName === 'TEXTAREA' && propertyName === 'textContent') {
      throw new Error('Interpolation binding cannot be used in the content of a textarea element.  Use <textarea value.bind="expression"></textarea> instead.');
    }
  }

  var InterpolationBinding = exports.InterpolationBinding = function () {
    function InterpolationBinding(observerLocator, parts, target, targetProperty, mode, lookupFunctions) {
      

      validateTarget(target, targetProperty);
      this.observerLocator = observerLocator;
      this.parts = parts;
      this.target = target;
      this.targetProperty = targetProperty;
      this.targetAccessor = observerLocator.getAccessor(target, targetProperty);
      this.mode = mode;
      this.lookupFunctions = lookupFunctions;
    }

    InterpolationBinding.prototype.interpolate = function interpolate() {
      if (this.isBound) {
        var value = '';
        var parts = this.parts;
        for (var i = 0, ii = parts.length; i < ii; i++) {
          value += i % 2 === 0 ? parts[i] : this['childBinding' + i].value;
        }
        this.targetAccessor.setValue(value, this.target, this.targetProperty);
      }
    };

    InterpolationBinding.prototype.updateOneTimeBindings = function updateOneTimeBindings() {
      for (var i = 1, ii = this.parts.length; i < ii; i += 2) {
        var child = this['childBinding' + i];
        if (child.mode === _aureliaBinding.bindingMode.oneTime) {
          child.call();
        }
      }
    };

    InterpolationBinding.prototype.bind = function bind(source) {
      if (this.isBound) {
        if (this.source === source) {
          return;
        }
        this.unbind();
      }
      this.source = source;

      var parts = this.parts;
      for (var i = 1, ii = parts.length; i < ii; i += 2) {
        var binding = new ChildInterpolationBinding(this, this.observerLocator, parts[i], this.mode, this.lookupFunctions);
        binding.bind(source);
        this['childBinding' + i] = binding;
      }

      this.isBound = true;
      this.interpolate();
    };

    InterpolationBinding.prototype.unbind = function unbind() {
      if (!this.isBound) {
        return;
      }
      this.isBound = false;
      this.source = null;
      var parts = this.parts;
      for (var i = 1, ii = parts.length; i < ii; i += 2) {
        var name = 'childBinding' + i;
        this[name].unbind();
      }
    };

    return InterpolationBinding;
  }();

  var ChildInterpolationBinding = exports.ChildInterpolationBinding = (_dec = (0, _aureliaBinding.connectable)(), _dec(_class2 = function () {
    function ChildInterpolationBinding(target, observerLocator, sourceExpression, mode, lookupFunctions, targetProperty, left, right) {
      

      if (target instanceof InterpolationBinding) {
        this.parent = target;
      } else {
        validateTarget(target, targetProperty);
        this.target = target;
        this.targetProperty = targetProperty;
        this.targetAccessor = observerLocator.getAccessor(target, targetProperty);
      }
      this.observerLocator = observerLocator;
      this.sourceExpression = sourceExpression;
      this.mode = mode;
      this.lookupFunctions = lookupFunctions;
      this.left = left;
      this.right = right;
    }

    ChildInterpolationBinding.prototype.updateTarget = function updateTarget(value) {
      value = value === null || value === undefined ? '' : value.toString();
      if (value !== this.value) {
        this.value = value;
        if (this.parent) {
          this.parent.interpolate();
        } else {
          this.targetAccessor.setValue(this.left + value + this.right, this.target, this.targetProperty);
        }
      }
    };

    ChildInterpolationBinding.prototype.call = function call() {
      if (!this.isBound) {
        return;
      }

      this.rawValue = this.sourceExpression.evaluate(this.source, this.lookupFunctions);
      this.updateTarget(this.rawValue);

      if (this.mode !== _aureliaBinding.bindingMode.oneTime) {
        this._version++;
        this.sourceExpression.connect(this, this.source);
        if (this.rawValue instanceof Array) {
          this.observeArray(this.rawValue);
        }
        this.unobserve(false);
      }
    };

    ChildInterpolationBinding.prototype.bind = function bind(source) {
      if (this.isBound) {
        if (this.source === source) {
          return;
        }
        this.unbind();
      }
      this.isBound = true;
      this.source = source;

      var sourceExpression = this.sourceExpression;
      if (sourceExpression.bind) {
        sourceExpression.bind(this, source, this.lookupFunctions);
      }

      this.rawValue = sourceExpression.evaluate(source, this.lookupFunctions);
      this.updateTarget(this.rawValue);

      if (this.mode === _aureliaBinding.bindingMode.oneWay) {
        (0, _aureliaBinding.enqueueBindingConnect)(this);
      }
    };

    ChildInterpolationBinding.prototype.unbind = function unbind() {
      if (!this.isBound) {
        return;
      }
      this.isBound = false;
      var sourceExpression = this.sourceExpression;
      if (sourceExpression.unbind) {
        sourceExpression.unbind(this, this.source);
      }
      this.source = null;
      this.value = null;
      this.rawValue = null;
      this.unobserve(true);
    };

    ChildInterpolationBinding.prototype.connect = function connect(evaluate) {
      if (!this.isBound) {
        return;
      }
      if (evaluate) {
        this.rawValue = this.sourceExpression.evaluate(this.source, this.lookupFunctions);
        this.updateTarget(this.rawValue);
      }
      this.sourceExpression.connect(this, this.source);
      if (this.rawValue instanceof Array) {
        this.observeArray(this.rawValue);
      }
    };

    return ChildInterpolationBinding;
  }()) || _class2);
  var SyntaxInterpreter = exports.SyntaxInterpreter = (_temp2 = _class3 = function () {
    function SyntaxInterpreter(parser, observerLocator, eventManager, attributeMap) {
      

      this.parser = parser;
      this.observerLocator = observerLocator;
      this.eventManager = eventManager;
      this.attributeMap = attributeMap;
    }

    SyntaxInterpreter.prototype.interpret = function interpret(resources, element, info, existingInstruction, context) {
      if (info.command in this) {
        return this[info.command](resources, element, info, existingInstruction, context);
      }

      return this.handleUnknownCommand(resources, element, info, existingInstruction, context);
    };

    SyntaxInterpreter.prototype.handleUnknownCommand = function handleUnknownCommand(resources, element, info, existingInstruction, context) {
      LogManager.getLogger('templating-binding').warn('Unknown binding command.', info);
      return existingInstruction;
    };

    SyntaxInterpreter.prototype.determineDefaultBindingMode = function determineDefaultBindingMode(element, attrName, context) {
      var tagName = element.tagName.toLowerCase();

      if (tagName === 'input' && (attrName === 'value' || attrName === 'files') && element.type !== 'checkbox' && element.type !== 'radio' || tagName === 'input' && attrName === 'checked' && (element.type === 'checkbox' || element.type === 'radio') || (tagName === 'textarea' || tagName === 'select') && attrName === 'value' || (attrName === 'textcontent' || attrName === 'innerhtml') && element.contentEditable === 'true' || attrName === 'scrolltop' || attrName === 'scrollleft') {
        return _aureliaBinding.bindingMode.twoWay;
      }

      if (context && attrName in context.attributes && context.attributes[attrName] && context.attributes[attrName].defaultBindingMode >= _aureliaBinding.bindingMode.oneTime) {
        return context.attributes[attrName].defaultBindingMode;
      }

      return _aureliaBinding.bindingMode.oneWay;
    };

    SyntaxInterpreter.prototype.bind = function bind(resources, element, info, existingInstruction, context) {
      var instruction = existingInstruction || _aureliaTemplating.BehaviorInstruction.attribute(info.attrName);

      instruction.attributes[info.attrName] = new _aureliaBinding.BindingExpression(this.observerLocator, this.attributeMap.map(element.tagName, info.attrName), this.parser.parse(info.attrValue), info.defaultBindingMode === undefined || info.defaultBindingMode === null ? this.determineDefaultBindingMode(element, info.attrName, context) : info.defaultBindingMode, resources.lookupFunctions);

      return instruction;
    };

    SyntaxInterpreter.prototype.trigger = function trigger(resources, element, info) {
      return new _aureliaBinding.ListenerExpression(this.eventManager, info.attrName, this.parser.parse(info.attrValue), _aureliaBinding.delegationStrategy.none, true, resources.lookupFunctions);
    };

    SyntaxInterpreter.prototype.capture = function capture(resources, element, info) {
      return new _aureliaBinding.ListenerExpression(this.eventManager, info.attrName, this.parser.parse(info.attrValue), _aureliaBinding.delegationStrategy.capturing, true, resources.lookupFunctions);
    };

    SyntaxInterpreter.prototype.delegate = function delegate(resources, element, info) {
      return new _aureliaBinding.ListenerExpression(this.eventManager, info.attrName, this.parser.parse(info.attrValue), _aureliaBinding.delegationStrategy.bubbling, true, resources.lookupFunctions);
    };

    SyntaxInterpreter.prototype.call = function call(resources, element, info, existingInstruction) {
      var instruction = existingInstruction || _aureliaTemplating.BehaviorInstruction.attribute(info.attrName);

      instruction.attributes[info.attrName] = new _aureliaBinding.CallExpression(this.observerLocator, info.attrName, this.parser.parse(info.attrValue), resources.lookupFunctions);

      return instruction;
    };

    SyntaxInterpreter.prototype.options = function options(resources, element, info, existingInstruction, context) {
      var instruction = existingInstruction || _aureliaTemplating.BehaviorInstruction.attribute(info.attrName);
      var attrValue = info.attrValue;
      var language = this.language;
      var name = null;
      var target = '';
      var current = void 0;
      var i = void 0;
      var ii = void 0;
      var inString = false;
      var inEscape = false;
      var foundName = false;

      for (i = 0, ii = attrValue.length; i < ii; ++i) {
        current = attrValue[i];

        if (current === ';' && !inString) {
          if (!foundName) {
            name = this._getPrimaryPropertyName(resources, context);
          }
          info = language.inspectAttribute(resources, '?', name, target.trim());
          language.createAttributeInstruction(resources, element, info, instruction, context);

          if (!instruction.attributes[info.attrName]) {
            instruction.attributes[info.attrName] = info.attrValue;
          }

          target = '';
          name = null;
        } else if (current === ':' && name === null) {
          foundName = true;
          name = target.trim();
          target = '';
        } else if (current === '\\') {
          target += current;
          inEscape = true;
          continue;
        } else {
          target += current;

          if (name !== null && inEscape === false && current === '\'') {
            inString = !inString;
          }
        }

        inEscape = false;
      }

      if (!foundName) {
        name = this._getPrimaryPropertyName(resources, context);
      }

      if (name !== null) {
        info = language.inspectAttribute(resources, '?', name, target.trim());
        language.createAttributeInstruction(resources, element, info, instruction, context);

        if (!instruction.attributes[info.attrName]) {
          instruction.attributes[info.attrName] = info.attrValue;
        }
      }

      return instruction;
    };

    SyntaxInterpreter.prototype._getPrimaryPropertyName = function _getPrimaryPropertyName(resources, context) {
      var type = resources.getAttribute(context.attributeName);
      if (type && type.primaryProperty) {
        return type.primaryProperty.name;
      }
      return null;
    };

    SyntaxInterpreter.prototype['for'] = function _for(resources, element, info, existingInstruction) {
      var parts = void 0;
      var keyValue = void 0;
      var instruction = void 0;
      var attrValue = void 0;
      var isDestructuring = void 0;

      attrValue = info.attrValue;
      isDestructuring = attrValue.match(/^ *[[].+[\]]/);
      parts = isDestructuring ? attrValue.split('of ') : attrValue.split(' of ');

      if (parts.length !== 2) {
        throw new Error('Incorrect syntax for "for". The form is: "$local of $items" or "[$key, $value] of $items".');
      }

      instruction = existingInstruction || _aureliaTemplating.BehaviorInstruction.attribute(info.attrName);

      if (isDestructuring) {
        keyValue = parts[0].replace(/[[\]]/g, '').replace(/,/g, ' ').replace(/\s+/g, ' ').trim().split(' ');
        instruction.attributes.key = keyValue[0];
        instruction.attributes.value = keyValue[1];
      } else {
        instruction.attributes.local = parts[0];
      }

      instruction.attributes.items = new _aureliaBinding.BindingExpression(this.observerLocator, 'items', this.parser.parse(parts[1]), _aureliaBinding.bindingMode.oneWay, resources.lookupFunctions);

      return instruction;
    };

    SyntaxInterpreter.prototype['two-way'] = function twoWay(resources, element, info, existingInstruction) {
      var instruction = existingInstruction || _aureliaTemplating.BehaviorInstruction.attribute(info.attrName);

      instruction.attributes[info.attrName] = new _aureliaBinding.BindingExpression(this.observerLocator, this.attributeMap.map(element.tagName, info.attrName), this.parser.parse(info.attrValue), _aureliaBinding.bindingMode.twoWay, resources.lookupFunctions);

      return instruction;
    };

    SyntaxInterpreter.prototype['to-view'] = function toView(resources, element, info, existingInstruction) {
      var instruction = existingInstruction || _aureliaTemplating.BehaviorInstruction.attribute(info.attrName);

      instruction.attributes[info.attrName] = new _aureliaBinding.BindingExpression(this.observerLocator, this.attributeMap.map(element.tagName, info.attrName), this.parser.parse(info.attrValue), _aureliaBinding.bindingMode.toView, resources.lookupFunctions);

      return instruction;
    };

    SyntaxInterpreter.prototype['from-view'] = function fromView(resources, element, info, existingInstruction) {
      var instruction = existingInstruction || _aureliaTemplating.BehaviorInstruction.attribute(info.attrName);

      instruction.attributes[info.attrName] = new _aureliaBinding.BindingExpression(this.observerLocator, this.attributeMap.map(element.tagName, info.attrName), this.parser.parse(info.attrValue), _aureliaBinding.bindingMode.fromView, resources.lookupFunctions);

      return instruction;
    };

    SyntaxInterpreter.prototype['one-time'] = function oneTime(resources, element, info, existingInstruction) {
      var instruction = existingInstruction || _aureliaTemplating.BehaviorInstruction.attribute(info.attrName);

      instruction.attributes[info.attrName] = new _aureliaBinding.BindingExpression(this.observerLocator, this.attributeMap.map(element.tagName, info.attrName), this.parser.parse(info.attrValue), _aureliaBinding.bindingMode.oneTime, resources.lookupFunctions);

      return instruction;
    };

    return SyntaxInterpreter;
  }(), _class3.inject = [_aureliaBinding.Parser, _aureliaBinding.ObserverLocator, _aureliaBinding.EventManager, AttributeMap], _temp2);


  SyntaxInterpreter.prototype['one-way'] = SyntaxInterpreter.prototype['to-view'];

  var info = {};

  var TemplatingBindingLanguage = exports.TemplatingBindingLanguage = (_temp3 = _class4 = function (_BindingLanguage) {
    _inherits(TemplatingBindingLanguage, _BindingLanguage);

    function TemplatingBindingLanguage(parser, observerLocator, syntaxInterpreter, attributeMap) {
      

      var _this = _possibleConstructorReturn(this, _BindingLanguage.call(this));

      _this.parser = parser;
      _this.observerLocator = observerLocator;
      _this.syntaxInterpreter = syntaxInterpreter;
      _this.emptyStringExpression = _this.parser.parse('\'\'');
      syntaxInterpreter.language = _this;
      _this.attributeMap = attributeMap;
      return _this;
    }

    TemplatingBindingLanguage.prototype.inspectAttribute = function inspectAttribute(resources, elementName, attrName, attrValue) {
      var parts = attrName.split('.');

      info.defaultBindingMode = null;

      if (parts.length === 2) {
        info.attrName = parts[0].trim();
        info.attrValue = attrValue;
        info.command = parts[1].trim();

        if (info.command === 'ref') {
          info.expression = new _aureliaBinding.NameExpression(this.parser.parse(attrValue), info.attrName, resources.lookupFunctions);
          info.command = null;
          info.attrName = 'ref';
        } else {
          info.expression = null;
        }
      } else if (attrName === 'ref') {
        info.attrName = attrName;
        info.attrValue = attrValue;
        info.command = null;
        info.expression = new _aureliaBinding.NameExpression(this.parser.parse(attrValue), 'element', resources.lookupFunctions);
      } else {
        info.attrName = attrName;
        info.attrValue = attrValue;
        info.command = null;
        var interpolationParts = this.parseInterpolation(resources, attrValue);
        if (interpolationParts === null) {
          info.expression = null;
        } else {
          info.expression = new InterpolationBindingExpression(this.observerLocator, this.attributeMap.map(elementName, attrName), interpolationParts, _aureliaBinding.bindingMode.oneWay, resources.lookupFunctions, attrName);
        }
      }

      return info;
    };

    TemplatingBindingLanguage.prototype.createAttributeInstruction = function createAttributeInstruction(resources, element, theInfo, existingInstruction, context) {
      var instruction = void 0;

      if (theInfo.expression) {
        if (theInfo.attrName === 'ref') {
          return theInfo.expression;
        }

        instruction = existingInstruction || _aureliaTemplating.BehaviorInstruction.attribute(theInfo.attrName);
        instruction.attributes[theInfo.attrName] = theInfo.expression;
      } else if (theInfo.command) {
        instruction = this.syntaxInterpreter.interpret(resources, element, theInfo, existingInstruction, context);
      }

      return instruction;
    };

    TemplatingBindingLanguage.prototype.inspectTextContent = function inspectTextContent(resources, value) {
      var parts = this.parseInterpolation(resources, value);
      if (parts === null) {
        return null;
      }
      return new InterpolationBindingExpression(this.observerLocator, 'textContent', parts, _aureliaBinding.bindingMode.oneWay, resources.lookupFunctions, 'textContent');
    };

    TemplatingBindingLanguage.prototype.parseInterpolation = function parseInterpolation(resources, value) {
      var i = value.indexOf('${', 0);
      var ii = value.length;
      var char = void 0;
      var pos = 0;
      var open = 0;
      var quote = null;
      var interpolationStart = void 0;
      var parts = void 0;
      var partIndex = 0;

      while (i >= 0 && i < ii - 2) {
        open = 1;
        interpolationStart = i;
        i += 2;

        do {
          char = value[i];
          i++;

          if (char === "'" || char === '"') {
            if (quote === null) {
              quote = char;
            } else if (quote === char) {
              quote = null;
            }
            continue;
          }

          if (char === '\\') {
            i++;
            continue;
          }

          if (quote !== null) {
            continue;
          }

          if (char === '{') {
            open++;
          } else if (char === '}') {
            open--;
          }
        } while (open > 0 && i < ii);

        if (open === 0) {
          parts = parts || [];
          if (value[interpolationStart - 1] === '\\' && value[interpolationStart - 2] !== '\\') {
            parts[partIndex] = value.substring(pos, interpolationStart - 1) + value.substring(interpolationStart, i);
            partIndex++;
            parts[partIndex] = this.emptyStringExpression;
            partIndex++;
          } else {
            parts[partIndex] = value.substring(pos, interpolationStart);
            partIndex++;
            parts[partIndex] = this.parser.parse(value.substring(interpolationStart + 2, i - 1));
            partIndex++;
          }
          pos = i;
          i = value.indexOf('${', i);
        } else {
          break;
        }
      }

      if (partIndex === 0) {
        return null;
      }

      parts[partIndex] = value.substr(pos);
      return parts;
    };

    return TemplatingBindingLanguage;
  }(_aureliaTemplating.BindingLanguage), _class4.inject = [_aureliaBinding.Parser, _aureliaBinding.ObserverLocator, SyntaxInterpreter, AttributeMap], _temp3);
  function configure(config) {
    config.container.registerSingleton(_aureliaTemplating.BindingLanguage, TemplatingBindingLanguage);
    config.container.registerAlias(_aureliaTemplating.BindingLanguage, TemplatingBindingLanguage);
  }
});
define('aurelia-templating-router/router-view',['exports', 'aurelia-dependency-injection', 'aurelia-binding', 'aurelia-templating', 'aurelia-router', 'aurelia-metadata', 'aurelia-pal'], function (exports, _aureliaDependencyInjection, _aureliaBinding, _aureliaTemplating, _aureliaRouter, _aureliaMetadata, _aureliaPal) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.RouterViewLocator = exports.RouterView = undefined;

  function _initDefineProp(target, property, descriptor, context) {
    if (!descriptor) return;
    Object.defineProperty(target, property, {
      enumerable: descriptor.enumerable,
      configurable: descriptor.configurable,
      writable: descriptor.writable,
      value: descriptor.initializer ? descriptor.initializer.call(context) : void 0
    });
  }

  

  function _applyDecoratedDescriptor(target, property, decorators, descriptor, context) {
    var desc = {};
    Object['ke' + 'ys'](descriptor).forEach(function (key) {
      desc[key] = descriptor[key];
    });
    desc.enumerable = !!desc.enumerable;
    desc.configurable = !!desc.configurable;

    if ('value' in desc || desc.initializer) {
      desc.writable = true;
    }

    desc = decorators.slice().reverse().reduce(function (desc, decorator) {
      return decorator(target, property, desc) || desc;
    }, desc);

    if (context && desc.initializer !== void 0) {
      desc.value = desc.initializer ? desc.initializer.call(context) : void 0;
      desc.initializer = undefined;
    }

    if (desc.initializer === void 0) {
      Object['define' + 'Property'](target, property, desc);
      desc = null;
    }

    return desc;
  }

  function _initializerWarningHelper(descriptor, context) {
    throw new Error('Decorating class property failed. Please ensure that transform-class-properties is enabled.');
  }

  var _dec, _dec2, _class, _desc, _value, _class2, _descriptor, _descriptor2, _descriptor3, _descriptor4;

  var RouterView = exports.RouterView = (_dec = (0, _aureliaTemplating.customElement)('router-view'), _dec2 = (0, _aureliaDependencyInjection.inject)(_aureliaPal.DOM.Element, _aureliaDependencyInjection.Container, _aureliaTemplating.ViewSlot, _aureliaRouter.Router, _aureliaTemplating.ViewLocator, _aureliaTemplating.CompositionTransaction, _aureliaTemplating.CompositionEngine), _dec(_class = (0, _aureliaTemplating.noView)(_class = _dec2(_class = (_class2 = function () {
    function RouterView(element, container, viewSlot, router, viewLocator, compositionTransaction, compositionEngine) {
      

      _initDefineProp(this, 'swapOrder', _descriptor, this);

      _initDefineProp(this, 'layoutView', _descriptor2, this);

      _initDefineProp(this, 'layoutViewModel', _descriptor3, this);

      _initDefineProp(this, 'layoutModel', _descriptor4, this);

      this.element = element;
      this.container = container;
      this.viewSlot = viewSlot;
      this.router = router;
      this.viewLocator = viewLocator;
      this.compositionTransaction = compositionTransaction;
      this.compositionEngine = compositionEngine;
      this.router.registerViewPort(this, this.element.getAttribute('name'));

      if (!('initialComposition' in compositionTransaction)) {
        compositionTransaction.initialComposition = true;
        this.compositionTransactionNotifier = compositionTransaction.enlist();
      }
    }

    RouterView.prototype.created = function created(owningView) {
      this.owningView = owningView;
    };

    RouterView.prototype.bind = function bind(bindingContext, overrideContext) {
      this.container.viewModel = bindingContext;
      this.overrideContext = overrideContext;
    };

    RouterView.prototype.process = function process(viewPortInstruction, waitToSwap) {
      var _this = this;

      var component = viewPortInstruction.component;
      var childContainer = component.childContainer;
      var viewModel = component.viewModel;
      var viewModelResource = component.viewModelResource;
      var metadata = viewModelResource.metadata;
      var config = component.router.currentInstruction.config;
      var viewPort = config.viewPorts ? config.viewPorts[viewPortInstruction.name] : {};

      childContainer.get(RouterViewLocator)._notify(this);

      var layoutInstruction = {
        viewModel: viewPort.layoutViewModel || config.layoutViewModel || this.layoutViewModel,
        view: viewPort.layoutView || config.layoutView || this.layoutView,
        model: viewPort.layoutModel || config.layoutModel || this.layoutModel,
        router: viewPortInstruction.component.router,
        childContainer: childContainer,
        viewSlot: this.viewSlot
      };

      var viewStrategy = this.viewLocator.getViewStrategy(component.view || viewModel);
      if (viewStrategy && component.view) {
        viewStrategy.makeRelativeTo(_aureliaMetadata.Origin.get(component.router.container.viewModel.constructor).moduleId);
      }

      return metadata.load(childContainer, viewModelResource.value, null, viewStrategy, true).then(function (viewFactory) {
        if (!_this.compositionTransactionNotifier) {
          _this.compositionTransactionOwnershipToken = _this.compositionTransaction.tryCapture();
        }

        if (layoutInstruction.viewModel || layoutInstruction.view) {
          viewPortInstruction.layoutInstruction = layoutInstruction;
        }

        viewPortInstruction.controller = metadata.create(childContainer, _aureliaTemplating.BehaviorInstruction.dynamic(_this.element, viewModel, viewFactory));

        if (waitToSwap) {
          return null;
        }

        _this.swap(viewPortInstruction);
      });
    };

    RouterView.prototype.swap = function swap(viewPortInstruction) {
      var _this2 = this;

      var layoutInstruction = viewPortInstruction.layoutInstruction;
      var previousView = this.view;

      var work = function work() {
        var swapStrategy = _aureliaTemplating.SwapStrategies[_this2.swapOrder] || _aureliaTemplating.SwapStrategies.after;
        var viewSlot = _this2.viewSlot;

        swapStrategy(viewSlot, previousView, function () {
          return Promise.resolve(viewSlot.add(_this2.view));
        }).then(function () {
          _this2._notify();
        });
      };

      var ready = function ready(owningView) {
        viewPortInstruction.controller.automate(_this2.overrideContext, owningView);
        if (_this2.compositionTransactionOwnershipToken) {
          return _this2.compositionTransactionOwnershipToken.waitForCompositionComplete().then(function () {
            _this2.compositionTransactionOwnershipToken = null;
            return work();
          });
        }

        return work();
      };

      if (layoutInstruction) {
        if (!layoutInstruction.viewModel) {
          layoutInstruction.viewModel = {};
        }

        return this.compositionEngine.createController(layoutInstruction).then(function (controller) {
          _aureliaTemplating.ShadowDOM.distributeView(viewPortInstruction.controller.view, controller.slots || controller.view.slots);
          controller.automate((0, _aureliaBinding.createOverrideContext)(layoutInstruction.viewModel), _this2.owningView);
          controller.view.children.push(viewPortInstruction.controller.view);
          return controller.view || controller;
        }).then(function (newView) {
          _this2.view = newView;
          return ready(newView);
        });
      }

      this.view = viewPortInstruction.controller.view;

      return ready(this.owningView);
    };

    RouterView.prototype._notify = function _notify() {
      if (this.compositionTransactionNotifier) {
        this.compositionTransactionNotifier.done();
        this.compositionTransactionNotifier = null;
      }
    };

    return RouterView;
  }(), (_descriptor = _applyDecoratedDescriptor(_class2.prototype, 'swapOrder', [_aureliaTemplating.bindable], {
    enumerable: true,
    initializer: null
  }), _descriptor2 = _applyDecoratedDescriptor(_class2.prototype, 'layoutView', [_aureliaTemplating.bindable], {
    enumerable: true,
    initializer: null
  }), _descriptor3 = _applyDecoratedDescriptor(_class2.prototype, 'layoutViewModel', [_aureliaTemplating.bindable], {
    enumerable: true,
    initializer: null
  }), _descriptor4 = _applyDecoratedDescriptor(_class2.prototype, 'layoutModel', [_aureliaTemplating.bindable], {
    enumerable: true,
    initializer: null
  })), _class2)) || _class) || _class) || _class);

  var RouterViewLocator = exports.RouterViewLocator = function () {
    function RouterViewLocator() {
      var _this3 = this;

      

      this.promise = new Promise(function (resolve) {
        return _this3.resolve = resolve;
      });
    }

    RouterViewLocator.prototype.findNearest = function findNearest() {
      return this.promise;
    };

    RouterViewLocator.prototype._notify = function _notify(routerView) {
      this.resolve(routerView);
    };

    return RouterViewLocator;
  }();
});
define('aurelia-templating-router/route-loader',['exports', 'aurelia-dependency-injection', 'aurelia-templating', 'aurelia-router', 'aurelia-path', 'aurelia-metadata', './router-view'], function (exports, _aureliaDependencyInjection, _aureliaTemplating, _aureliaRouter, _aureliaPath, _aureliaMetadata, _routerView) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.TemplatingRouteLoader = undefined;

  

  function _possibleConstructorReturn(self, call) {
    if (!self) {
      throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
    }

    return call && (typeof call === "object" || typeof call === "function") ? call : self;
  }

  function _inherits(subClass, superClass) {
    if (typeof superClass !== "function" && superClass !== null) {
      throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
    }

    subClass.prototype = Object.create(superClass && superClass.prototype, {
      constructor: {
        value: subClass,
        enumerable: false,
        writable: true,
        configurable: true
      }
    });
    if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
  }

  var _dec, _class;

  var TemplatingRouteLoader = exports.TemplatingRouteLoader = (_dec = (0, _aureliaDependencyInjection.inject)(_aureliaTemplating.CompositionEngine), _dec(_class = function (_RouteLoader) {
    _inherits(TemplatingRouteLoader, _RouteLoader);

    function TemplatingRouteLoader(compositionEngine) {
      

      var _this = _possibleConstructorReturn(this, _RouteLoader.call(this));

      _this.compositionEngine = compositionEngine;
      return _this;
    }

    TemplatingRouteLoader.prototype.loadRoute = function loadRoute(router, config) {
      var childContainer = router.container.createChild();

      var viewModel = /\.html/.test(config.moduleId) ? createDynamicClass(config.moduleId) : (0, _aureliaPath.relativeToFile)(config.moduleId, _aureliaMetadata.Origin.get(router.container.viewModel.constructor).moduleId);

      var instruction = {
        viewModel: viewModel,
        childContainer: childContainer,
        view: config.view || config.viewStrategy,
        router: router
      };

      childContainer.registerSingleton(_routerView.RouterViewLocator);

      childContainer.getChildRouter = function () {
        var childRouter = void 0;

        childContainer.registerHandler(_aureliaRouter.Router, function (c) {
          return childRouter || (childRouter = router.createChild(childContainer));
        });

        return childContainer.get(_aureliaRouter.Router);
      };

      return this.compositionEngine.ensureViewModel(instruction);
    };

    return TemplatingRouteLoader;
  }(_aureliaRouter.RouteLoader)) || _class);


  function createDynamicClass(moduleId) {
    var _dec2, _dec3, _class2;

    var name = /([^\/^\?]+)\.html/i.exec(moduleId)[1];

    var DynamicClass = (_dec2 = (0, _aureliaTemplating.customElement)(name), _dec3 = (0, _aureliaTemplating.useView)(moduleId), _dec2(_class2 = _dec3(_class2 = function () {
      function DynamicClass() {
        
      }

      DynamicClass.prototype.bind = function bind(bindingContext) {
        this.$parent = bindingContext;
      };

      return DynamicClass;
    }()) || _class2) || _class2);


    return DynamicClass;
  }
});
define('aurelia-templating-router/route-href',['exports', 'aurelia-templating', 'aurelia-dependency-injection', 'aurelia-router', 'aurelia-pal', 'aurelia-logging'], function (exports, _aureliaTemplating, _aureliaDependencyInjection, _aureliaRouter, _aureliaPal, _aureliaLogging) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.RouteHref = undefined;

  var LogManager = _interopRequireWildcard(_aureliaLogging);

  function _interopRequireWildcard(obj) {
    if (obj && obj.__esModule) {
      return obj;
    } else {
      var newObj = {};

      if (obj != null) {
        for (var key in obj) {
          if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key];
        }
      }

      newObj.default = obj;
      return newObj;
    }
  }

  

  var _dec, _dec2, _dec3, _dec4, _dec5, _class;

  var logger = LogManager.getLogger('route-href');

  var RouteHref = exports.RouteHref = (_dec = (0, _aureliaTemplating.customAttribute)('route-href'), _dec2 = (0, _aureliaTemplating.bindable)({ name: 'route', changeHandler: 'processChange', primaryProperty: true }), _dec3 = (0, _aureliaTemplating.bindable)({ name: 'params', changeHandler: 'processChange' }), _dec4 = (0, _aureliaTemplating.bindable)({ name: 'attribute', defaultValue: 'href' }), _dec5 = (0, _aureliaDependencyInjection.inject)(_aureliaRouter.Router, _aureliaPal.DOM.Element), _dec(_class = _dec2(_class = _dec3(_class = _dec4(_class = _dec5(_class = function () {
    function RouteHref(router, element) {
      

      this.router = router;
      this.element = element;
    }

    RouteHref.prototype.attached = function attached() {
      this.isActive = true;
      this.processChange();
    };

    RouteHref.prototype.unbind = function unbind() {
      this.isActive = false;
    };

    RouteHref.prototype.attributeChanged = function attributeChanged(value, previous) {
      if (previous) {
        this.element.removeAttribute(previous);
      }

      this.processChange();
    };

    RouteHref.prototype.processChange = function processChange() {
      var _this = this;

      return this.router.ensureConfigured().then(function () {
        if (!_this.isActive) {
          return null;
        }

        var href = _this.router.generate(_this.route, _this.params);

        if (_this.element.au.controller) {
          _this.element.au.controller.viewModel[_this.attribute] = href;
        } else {
          _this.element.setAttribute(_this.attribute, href);
        }

        return null;
      }).catch(function (reason) {
        logger.error(reason);
      });
    };

    return RouteHref;
  }()) || _class) || _class) || _class) || _class) || _class);
});
define('aurelia-templating-router/aurelia-templating-router',['exports', 'aurelia-pal', 'aurelia-router', './route-loader', './router-view', './route-href'], function (exports, _aureliaPal, _aureliaRouter, _routeLoader, _routerView, _routeHref) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.configure = exports.RouteHref = exports.RouterView = exports.TemplatingRouteLoader = undefined;


  function configure(config) {
    config.singleton(_aureliaRouter.RouteLoader, _routeLoader.TemplatingRouteLoader).singleton(_aureliaRouter.Router, _aureliaRouter.AppRouter).globalResources(_aureliaPal.PLATFORM.moduleName('./router-view'), _aureliaPal.PLATFORM.moduleName('./route-href'));

    config.container.registerAlias(_aureliaRouter.Router, _aureliaRouter.AppRouter);
  }

  exports.TemplatingRouteLoader = _routeLoader.TemplatingRouteLoader;
  exports.RouterView = _routerView.RouterView;
  exports.RouteHref = _routeHref.RouteHref;
  exports.configure = configure;
});
define('aurelia-templating-router', ['aurelia-templating-router/aurelia-templating-router'], function (main) { return main; });

define('aurelia-templating-resources/compose',['exports', 'aurelia-dependency-injection', 'aurelia-logging', 'aurelia-task-queue', 'aurelia-templating', 'aurelia-pal'], function (exports, _aureliaDependencyInjection, _aureliaLogging, _aureliaTaskQueue, _aureliaTemplating, _aureliaPal) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.Compose = undefined;

  var LogManager = _interopRequireWildcard(_aureliaLogging);

  function _interopRequireWildcard(obj) {
    if (obj && obj.__esModule) {
      return obj;
    } else {
      var newObj = {};

      if (obj != null) {
        for (var key in obj) {
          if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key];
        }
      }

      newObj.default = obj;
      return newObj;
    }
  }

  function _initDefineProp(target, property, descriptor, context) {
    if (!descriptor) return;
    Object.defineProperty(target, property, {
      enumerable: descriptor.enumerable,
      configurable: descriptor.configurable,
      writable: descriptor.writable,
      value: descriptor.initializer ? descriptor.initializer.call(context) : void 0
    });
  }

  

  function _applyDecoratedDescriptor(target, property, decorators, descriptor, context) {
    var desc = {};
    Object['ke' + 'ys'](descriptor).forEach(function (key) {
      desc[key] = descriptor[key];
    });
    desc.enumerable = !!desc.enumerable;
    desc.configurable = !!desc.configurable;

    if ('value' in desc || desc.initializer) {
      desc.writable = true;
    }

    desc = decorators.slice().reverse().reduce(function (desc, decorator) {
      return decorator(target, property, desc) || desc;
    }, desc);

    if (context && desc.initializer !== void 0) {
      desc.value = desc.initializer ? desc.initializer.call(context) : void 0;
      desc.initializer = undefined;
    }

    if (desc.initializer === void 0) {
      Object['define' + 'Property'](target, property, desc);
      desc = null;
    }

    return desc;
  }

  function _initializerWarningHelper(descriptor, context) {
    throw new Error('Decorating class property failed. Please ensure that transform-class-properties is enabled.');
  }

  var _dec, _dec2, _class, _desc, _value, _class2, _descriptor, _descriptor2, _descriptor3, _descriptor4;

  var logger = LogManager.getLogger('templating-resources');

  var Compose = exports.Compose = (_dec = (0, _aureliaTemplating.customElement)('compose'), _dec2 = (0, _aureliaDependencyInjection.inject)(_aureliaPal.DOM.Element, _aureliaDependencyInjection.Container, _aureliaTemplating.CompositionEngine, _aureliaTemplating.ViewSlot, _aureliaTemplating.ViewResources, _aureliaTaskQueue.TaskQueue), _dec(_class = (0, _aureliaTemplating.noView)(_class = _dec2(_class = (_class2 = function () {
    function Compose(element, container, compositionEngine, viewSlot, viewResources, taskQueue) {
      

      _initDefineProp(this, 'model', _descriptor, this);

      _initDefineProp(this, 'view', _descriptor2, this);

      _initDefineProp(this, 'viewModel', _descriptor3, this);

      _initDefineProp(this, 'swapOrder', _descriptor4, this);

      this.element = element;
      this.container = container;
      this.compositionEngine = compositionEngine;
      this.viewSlot = viewSlot;
      this.viewResources = viewResources;
      this.taskQueue = taskQueue;
      this.currentController = null;
      this.currentViewModel = null;
      this.changes = Object.create(null);
    }

    Compose.prototype.created = function created(owningView) {
      this.owningView = owningView;
    };

    Compose.prototype.bind = function bind(bindingContext, overrideContext) {
      this.bindingContext = bindingContext;
      this.overrideContext = overrideContext;
      this.changes.view = this.view;
      this.changes.viewModel = this.viewModel;
      this.changes.model = this.model;
      processChanges(this);
    };

    Compose.prototype.unbind = function unbind() {
      this.changes = Object.create(null);
      this.pendingTask = null;
      this.bindingContext = null;
      this.overrideContext = null;
      var returnToCache = true;
      var skipAnimation = true;
      this.viewSlot.removeAll(returnToCache, skipAnimation);
    };

    Compose.prototype.modelChanged = function modelChanged(newValue, oldValue) {
      this.changes.model = newValue;
      requestUpdate(this);
    };

    Compose.prototype.viewChanged = function viewChanged(newValue, oldValue) {
      this.changes.view = newValue;
      requestUpdate(this);
    };

    Compose.prototype.viewModelChanged = function viewModelChanged(newValue, oldValue) {
      this.changes.viewModel = newValue;
      requestUpdate(this);
    };

    return Compose;
  }(), (_descriptor = _applyDecoratedDescriptor(_class2.prototype, 'model', [_aureliaTemplating.bindable], {
    enumerable: true,
    initializer: null
  }), _descriptor2 = _applyDecoratedDescriptor(_class2.prototype, 'view', [_aureliaTemplating.bindable], {
    enumerable: true,
    initializer: null
  }), _descriptor3 = _applyDecoratedDescriptor(_class2.prototype, 'viewModel', [_aureliaTemplating.bindable], {
    enumerable: true,
    initializer: null
  }), _descriptor4 = _applyDecoratedDescriptor(_class2.prototype, 'swapOrder', [_aureliaTemplating.bindable], {
    enumerable: true,
    initializer: null
  })), _class2)) || _class) || _class) || _class);


  function isEmpty(obj) {
    for (var key in obj) {
      return false;
    }
    return true;
  }

  function tryActivateViewModel(vm, model) {
    if (vm && typeof vm.activate === 'function') {
      return Promise.resolve(vm.activate(model));
    }
  }

  function createInstruction(composer, instruction) {
    return Object.assign(instruction, {
      bindingContext: composer.bindingContext,
      overrideContext: composer.overrideContext,
      owningView: composer.owningView,
      container: composer.container,
      viewSlot: composer.viewSlot,
      viewResources: composer.viewResources,
      currentController: composer.currentController,
      host: composer.element,
      swapOrder: composer.swapOrder
    });
  }

  function processChanges(composer) {
    var changes = composer.changes;
    composer.changes = Object.create(null);

    if (!('view' in changes) && !('viewModel' in changes) && 'model' in changes) {
      composer.pendingTask = tryActivateViewModel(composer.currentViewModel, changes.model);
      if (!composer.pendingTask) {
        return;
      }
    } else {
      var instruction = {
        view: composer.view,
        viewModel: composer.currentViewModel || composer.viewModel,
        model: composer.model
      };

      instruction = Object.assign(instruction, changes);

      instruction = createInstruction(composer, instruction);
      composer.pendingTask = composer.compositionEngine.compose(instruction).then(function (controller) {
        composer.currentController = controller;
        composer.currentViewModel = controller ? controller.viewModel : null;
      });
    }

    composer.pendingTask = composer.pendingTask.catch(function (e) {
      logger.error(e);
    }).then(function () {
      if (!composer.pendingTask) {
        return;
      }

      composer.pendingTask = null;
      if (!isEmpty(composer.changes)) {
        processChanges(composer);
      }
    });
  }

  function requestUpdate(composer) {
    if (composer.pendingTask || composer.updateRequested) {
      return;
    }
    composer.updateRequested = true;
    composer.taskQueue.queueMicroTask(function () {
      composer.updateRequested = false;
      processChanges(composer);
    });
  }
});
define('aurelia-templating-resources/if-core',["exports"], function (exports) {
  "use strict";

  Object.defineProperty(exports, "__esModule", {
    value: true
  });

  

  var IfCore = exports.IfCore = function () {
    function IfCore(viewFactory, viewSlot) {
      

      this.viewFactory = viewFactory;
      this.viewSlot = viewSlot;
      this.view = null;
      this.bindingContext = null;
      this.overrideContext = null;

      this.showing = false;
    }

    IfCore.prototype.bind = function bind(bindingContext, overrideContext) {
      this.bindingContext = bindingContext;
      this.overrideContext = overrideContext;
    };

    IfCore.prototype.unbind = function unbind() {
      if (this.view === null) {
        return;
      }

      this.view.unbind();

      if (!this.viewFactory.isCaching) {
        return;
      }

      if (this.showing) {
        this.showing = false;
        this.viewSlot.remove(this.view, true, true);
      } else {
        this.view.returnToCache();
      }

      this.view = null;
    };

    IfCore.prototype._show = function _show() {
      if (this.showing) {
        if (!this.view.isBound) {
          this.view.bind(this.bindingContext, this.overrideContext);
        }
        return;
      }

      if (this.view === null) {
        this.view = this.viewFactory.create();
      }

      if (!this.view.isBound) {
        this.view.bind(this.bindingContext, this.overrideContext);
      }

      this.showing = true;
      return this.viewSlot.add(this.view);
    };

    IfCore.prototype._hide = function _hide() {
      var _this = this;

      if (!this.showing) {
        return;
      }

      this.showing = false;
      var removed = this.viewSlot.remove(this.view);

      if (removed instanceof Promise) {
        return removed.then(function () {
          return _this.view.unbind();
        });
      }

      this.view.unbind();
    };

    return IfCore;
  }();
});
define('aurelia-templating-resources/if',['exports', 'aurelia-templating', 'aurelia-dependency-injection', './if-core'], function (exports, _aureliaTemplating, _aureliaDependencyInjection, _ifCore) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.If = undefined;

  function _initDefineProp(target, property, descriptor, context) {
    if (!descriptor) return;
    Object.defineProperty(target, property, {
      enumerable: descriptor.enumerable,
      configurable: descriptor.configurable,
      writable: descriptor.writable,
      value: descriptor.initializer ? descriptor.initializer.call(context) : void 0
    });
  }

  

  function _possibleConstructorReturn(self, call) {
    if (!self) {
      throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
    }

    return call && (typeof call === "object" || typeof call === "function") ? call : self;
  }

  function _inherits(subClass, superClass) {
    if (typeof superClass !== "function" && superClass !== null) {
      throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
    }

    subClass.prototype = Object.create(superClass && superClass.prototype, {
      constructor: {
        value: subClass,
        enumerable: false,
        writable: true,
        configurable: true
      }
    });
    if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
  }

  function _applyDecoratedDescriptor(target, property, decorators, descriptor, context) {
    var desc = {};
    Object['ke' + 'ys'](descriptor).forEach(function (key) {
      desc[key] = descriptor[key];
    });
    desc.enumerable = !!desc.enumerable;
    desc.configurable = !!desc.configurable;

    if ('value' in desc || desc.initializer) {
      desc.writable = true;
    }

    desc = decorators.slice().reverse().reduce(function (desc, decorator) {
      return decorator(target, property, desc) || desc;
    }, desc);

    if (context && desc.initializer !== void 0) {
      desc.value = desc.initializer ? desc.initializer.call(context) : void 0;
      desc.initializer = undefined;
    }

    if (desc.initializer === void 0) {
      Object['define' + 'Property'](target, property, desc);
      desc = null;
    }

    return desc;
  }

  function _initializerWarningHelper(descriptor, context) {
    throw new Error('Decorating class property failed. Please ensure that transform-class-properties is enabled.');
  }

  var _dec, _dec2, _dec3, _class, _desc, _value, _class2, _descriptor, _descriptor2;

  var If = exports.If = (_dec = (0, _aureliaTemplating.customAttribute)('if'), _dec2 = (0, _aureliaDependencyInjection.inject)(_aureliaTemplating.BoundViewFactory, _aureliaTemplating.ViewSlot), _dec3 = (0, _aureliaTemplating.bindable)({ primaryProperty: true }), _dec(_class = (0, _aureliaTemplating.templateController)(_class = _dec2(_class = (_class2 = function (_IfCore) {
    _inherits(If, _IfCore);

    function If() {
      var _temp, _this, _ret;

      

      for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
        args[_key] = arguments[_key];
      }

      return _ret = (_temp = (_this = _possibleConstructorReturn(this, _IfCore.call.apply(_IfCore, [this].concat(args))), _this), _initDefineProp(_this, 'condition', _descriptor, _this), _initDefineProp(_this, 'swapOrder', _descriptor2, _this), _temp), _possibleConstructorReturn(_this, _ret);
    }

    If.prototype.bind = function bind(bindingContext, overrideContext) {
      _IfCore.prototype.bind.call(this, bindingContext, overrideContext);
      if (this.condition) {
        this._show();
      } else {
        this._hide();
      }
    };

    If.prototype.conditionChanged = function conditionChanged(newValue) {
      this._update(newValue);
    };

    If.prototype._update = function _update(show) {
      var _this2 = this;

      if (this.animating) {
        return;
      }

      var promise = void 0;
      if (this.elseVm) {
        promise = show ? this._swap(this.elseVm, this) : this._swap(this, this.elseVm);
      } else {
        promise = show ? this._show() : this._hide();
      }

      if (promise) {
        this.animating = true;
        promise.then(function () {
          _this2.animating = false;
          if (_this2.condition !== _this2.showing) {
            _this2._update(_this2.condition);
          }
        });
      }
    };

    If.prototype._swap = function _swap(remove, add) {
      switch (this.swapOrder) {
        case 'before':
          return Promise.resolve(add._show()).then(function () {
            return remove._hide();
          });
        case 'with':
          return Promise.all([remove._hide(), add._show()]);
        default:
          var promise = remove._hide();
          return promise ? promise.then(function () {
            return add._show();
          }) : add._show();
      }
    };

    return If;
  }(_ifCore.IfCore), (_descriptor = _applyDecoratedDescriptor(_class2.prototype, 'condition', [_dec3], {
    enumerable: true,
    initializer: null
  }), _descriptor2 = _applyDecoratedDescriptor(_class2.prototype, 'swapOrder', [_aureliaTemplating.bindable], {
    enumerable: true,
    initializer: null
  })), _class2)) || _class) || _class) || _class);
});
define('aurelia-templating-resources/else',['exports', 'aurelia-templating', 'aurelia-dependency-injection', './if-core'], function (exports, _aureliaTemplating, _aureliaDependencyInjection, _ifCore) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.Else = undefined;

  

  function _possibleConstructorReturn(self, call) {
    if (!self) {
      throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
    }

    return call && (typeof call === "object" || typeof call === "function") ? call : self;
  }

  function _inherits(subClass, superClass) {
    if (typeof superClass !== "function" && superClass !== null) {
      throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
    }

    subClass.prototype = Object.create(superClass && superClass.prototype, {
      constructor: {
        value: subClass,
        enumerable: false,
        writable: true,
        configurable: true
      }
    });
    if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
  }

  var _dec, _dec2, _class;

  var Else = exports.Else = (_dec = (0, _aureliaTemplating.customAttribute)('else'), _dec2 = (0, _aureliaDependencyInjection.inject)(_aureliaTemplating.BoundViewFactory, _aureliaTemplating.ViewSlot), _dec(_class = (0, _aureliaTemplating.templateController)(_class = _dec2(_class = function (_IfCore) {
    _inherits(Else, _IfCore);

    function Else(viewFactory, viewSlot) {
      

      var _this = _possibleConstructorReturn(this, _IfCore.call(this, viewFactory, viewSlot));

      _this._registerInIf();
      return _this;
    }

    Else.prototype.bind = function bind(bindingContext, overrideContext) {
      _IfCore.prototype.bind.call(this, bindingContext, overrideContext);

      if (this.ifVm.condition) {
        this._hide();
      } else {
        this._show();
      }
    };

    Else.prototype._registerInIf = function _registerInIf() {
      var previous = this.viewSlot.anchor.previousSibling;
      while (previous && !previous.au) {
        previous = previous.previousSibling;
      }
      if (!previous || !previous.au.if) {
        throw new Error("Can't find matching If for Else custom attribute.");
      }
      this.ifVm = previous.au.if.viewModel;
      this.ifVm.elseVm = this;
    };

    return Else;
  }(_ifCore.IfCore)) || _class) || _class) || _class);
});
define('aurelia-templating-resources/with',['exports', 'aurelia-dependency-injection', 'aurelia-templating', 'aurelia-binding'], function (exports, _aureliaDependencyInjection, _aureliaTemplating, _aureliaBinding) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.With = undefined;

  

  var _dec, _dec2, _class;

  var With = exports.With = (_dec = (0, _aureliaTemplating.customAttribute)('with'), _dec2 = (0, _aureliaDependencyInjection.inject)(_aureliaTemplating.BoundViewFactory, _aureliaTemplating.ViewSlot), _dec(_class = (0, _aureliaTemplating.templateController)(_class = _dec2(_class = function () {
    function With(viewFactory, viewSlot) {
      

      this.viewFactory = viewFactory;
      this.viewSlot = viewSlot;
      this.parentOverrideContext = null;
      this.view = null;
    }

    With.prototype.bind = function bind(bindingContext, overrideContext) {
      this.parentOverrideContext = overrideContext;
      this.valueChanged(this.value);
    };

    With.prototype.valueChanged = function valueChanged(newValue) {
      var overrideContext = (0, _aureliaBinding.createOverrideContext)(newValue, this.parentOverrideContext);
      if (!this.view) {
        this.view = this.viewFactory.create();
        this.view.bind(newValue, overrideContext);
        this.viewSlot.add(this.view);
      } else {
        this.view.bind(newValue, overrideContext);
      }
    };

    With.prototype.unbind = function unbind() {
      this.parentOverrideContext = null;

      if (this.view) {
        this.view.unbind();
      }
    };

    return With;
  }()) || _class) || _class) || _class);
});
define('aurelia-templating-resources/null-repeat-strategy',["exports"], function (exports) {
  "use strict";

  Object.defineProperty(exports, "__esModule", {
    value: true
  });

  

  var NullRepeatStrategy = exports.NullRepeatStrategy = function () {
    function NullRepeatStrategy() {
      
    }

    NullRepeatStrategy.prototype.instanceChanged = function instanceChanged(repeat, items) {
      repeat.removeAllViews(true);
    };

    NullRepeatStrategy.prototype.getCollectionObserver = function getCollectionObserver(observerLocator, items) {};

    return NullRepeatStrategy;
  }();
});
define('aurelia-templating-resources/repeat-utilities',['exports', 'aurelia-binding'], function (exports, _aureliaBinding) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.updateOverrideContexts = updateOverrideContexts;
  exports.createFullOverrideContext = createFullOverrideContext;
  exports.updateOverrideContext = updateOverrideContext;
  exports.getItemsSourceExpression = getItemsSourceExpression;
  exports.unwrapExpression = unwrapExpression;
  exports.isOneTime = isOneTime;
  exports.updateOneTimeBinding = updateOneTimeBinding;
  exports.indexOf = indexOf;


  var oneTime = _aureliaBinding.bindingMode.oneTime;

  function updateOverrideContexts(views, startIndex) {
    var length = views.length;

    if (startIndex > 0) {
      startIndex = startIndex - 1;
    }

    for (; startIndex < length; ++startIndex) {
      updateOverrideContext(views[startIndex].overrideContext, startIndex, length);
    }
  }

  function createFullOverrideContext(repeat, data, index, length, key) {
    var bindingContext = {};
    var overrideContext = (0, _aureliaBinding.createOverrideContext)(bindingContext, repeat.scope.overrideContext);

    if (typeof key !== 'undefined') {
      bindingContext[repeat.key] = key;
      bindingContext[repeat.value] = data;
    } else {
      bindingContext[repeat.local] = data;
    }
    updateOverrideContext(overrideContext, index, length);
    return overrideContext;
  }

  function updateOverrideContext(overrideContext, index, length) {
    var first = index === 0;
    var last = index === length - 1;
    var even = index % 2 === 0;

    overrideContext.$index = index;
    overrideContext.$first = first;
    overrideContext.$last = last;
    overrideContext.$middle = !(first || last);
    overrideContext.$odd = !even;
    overrideContext.$even = even;
  }

  function getItemsSourceExpression(instruction, attrName) {
    return instruction.behaviorInstructions.filter(function (bi) {
      return bi.originalAttrName === attrName;
    })[0].attributes.items.sourceExpression;
  }

  function unwrapExpression(expression) {
    var unwrapped = false;
    while (expression instanceof _aureliaBinding.BindingBehavior) {
      expression = expression.expression;
    }
    while (expression instanceof _aureliaBinding.ValueConverter) {
      expression = expression.expression;
      unwrapped = true;
    }
    return unwrapped ? expression : null;
  }

  function isOneTime(expression) {
    while (expression instanceof _aureliaBinding.BindingBehavior) {
      if (expression.name === 'oneTime') {
        return true;
      }
      expression = expression.expression;
    }
    return false;
  }

  function updateOneTimeBinding(binding) {
    if (binding.call && binding.mode === oneTime) {
      binding.call(_aureliaBinding.sourceContext);
    } else if (binding.updateOneTimeBindings) {
      binding.updateOneTimeBindings();
    }
  }

  function indexOf(array, item, matcher, startIndex) {
    if (!matcher) {
      return array.indexOf(item);
    }
    var length = array.length;
    for (var index = startIndex || 0; index < length; index++) {
      if (matcher(array[index], item)) {
        return index;
      }
    }
    return -1;
  }
});
define('aurelia-templating-resources/array-repeat-strategy',['exports', './repeat-utilities', 'aurelia-binding'], function (exports, _repeatUtilities, _aureliaBinding) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.ArrayRepeatStrategy = undefined;

  

  var ArrayRepeatStrategy = exports.ArrayRepeatStrategy = function () {
    function ArrayRepeatStrategy() {
      
    }

    ArrayRepeatStrategy.prototype.getCollectionObserver = function getCollectionObserver(observerLocator, items) {
      return observerLocator.getArrayObserver(items);
    };

    ArrayRepeatStrategy.prototype.instanceChanged = function instanceChanged(repeat, items) {
      var _this = this;

      var itemsLength = items.length;

      if (!items || itemsLength === 0) {
        repeat.removeAllViews(true, !repeat.viewsRequireLifecycle);
        return;
      }

      var children = repeat.views();
      var viewsLength = children.length;

      if (viewsLength === 0) {
        this._standardProcessInstanceChanged(repeat, items);
        return;
      }

      if (repeat.viewsRequireLifecycle) {
        var childrenSnapshot = children.slice(0);
        var itemNameInBindingContext = repeat.local;
        var matcher = repeat.matcher();

        var itemsPreviouslyInViews = [];
        var viewsToRemove = [];

        for (var index = 0; index < viewsLength; index++) {
          var view = childrenSnapshot[index];
          var oldItem = view.bindingContext[itemNameInBindingContext];

          if ((0, _repeatUtilities.indexOf)(items, oldItem, matcher) === -1) {
            viewsToRemove.push(view);
          } else {
            itemsPreviouslyInViews.push(oldItem);
          }
        }

        var updateViews = void 0;
        var removePromise = void 0;

        if (itemsPreviouslyInViews.length > 0) {
          removePromise = repeat.removeViews(viewsToRemove, true, !repeat.viewsRequireLifecycle);
          updateViews = function updateViews() {
            for (var _index = 0; _index < itemsLength; _index++) {
              var item = items[_index];
              var indexOfView = (0, _repeatUtilities.indexOf)(itemsPreviouslyInViews, item, matcher, _index);
              var _view = void 0;

              if (indexOfView === -1) {
                var overrideContext = (0, _repeatUtilities.createFullOverrideContext)(repeat, items[_index], _index, itemsLength);
                repeat.insertView(_index, overrideContext.bindingContext, overrideContext);

                itemsPreviouslyInViews.splice(_index, 0, undefined);
              } else if (indexOfView === _index) {
                _view = children[indexOfView];
                itemsPreviouslyInViews[indexOfView] = undefined;
              } else {
                _view = children[indexOfView];
                repeat.moveView(indexOfView, _index);
                itemsPreviouslyInViews.splice(indexOfView, 1);
                itemsPreviouslyInViews.splice(_index, 0, undefined);
              }

              if (_view) {
                (0, _repeatUtilities.updateOverrideContext)(_view.overrideContext, _index, itemsLength);
              }
            }

            _this._inPlaceProcessItems(repeat, items);
          };
        } else {
          removePromise = repeat.removeAllViews(true, !repeat.viewsRequireLifecycle);
          updateViews = function updateViews() {
            return _this._standardProcessInstanceChanged(repeat, items);
          };
        }

        if (removePromise instanceof Promise) {
          removePromise.then(updateViews);
        } else {
          updateViews();
        }
      } else {
        this._inPlaceProcessItems(repeat, items);
      }
    };

    ArrayRepeatStrategy.prototype._standardProcessInstanceChanged = function _standardProcessInstanceChanged(repeat, items) {
      for (var i = 0, ii = items.length; i < ii; i++) {
        var overrideContext = (0, _repeatUtilities.createFullOverrideContext)(repeat, items[i], i, ii);
        repeat.addView(overrideContext.bindingContext, overrideContext);
      }
    };

    ArrayRepeatStrategy.prototype._inPlaceProcessItems = function _inPlaceProcessItems(repeat, items) {
      var itemsLength = items.length;
      var viewsLength = repeat.viewCount();

      while (viewsLength > itemsLength) {
        viewsLength--;
        repeat.removeView(viewsLength, true, !repeat.viewsRequireLifecycle);
      }

      var local = repeat.local;

      for (var i = 0; i < viewsLength; i++) {
        var view = repeat.view(i);
        var last = i === itemsLength - 1;
        var middle = i !== 0 && !last;

        if (view.bindingContext[local] === items[i] && view.overrideContext.$middle === middle && view.overrideContext.$last === last) {
          continue;
        }

        view.bindingContext[local] = items[i];
        view.overrideContext.$middle = middle;
        view.overrideContext.$last = last;
        repeat.updateBindings(view);
      }

      for (var _i = viewsLength; _i < itemsLength; _i++) {
        var overrideContext = (0, _repeatUtilities.createFullOverrideContext)(repeat, items[_i], _i, itemsLength);
        repeat.addView(overrideContext.bindingContext, overrideContext);
      }
    };

    ArrayRepeatStrategy.prototype.instanceMutated = function instanceMutated(repeat, array, splices) {
      var _this2 = this;

      if (repeat.__queuedSplices) {
        for (var i = 0, ii = splices.length; i < ii; ++i) {
          var _splices$i = splices[i],
              index = _splices$i.index,
              removed = _splices$i.removed,
              addedCount = _splices$i.addedCount;

          (0, _aureliaBinding.mergeSplice)(repeat.__queuedSplices, index, removed, addedCount);
        }

        repeat.__array = array.slice(0);
        return;
      }

      var maybePromise = this._runSplices(repeat, array.slice(0), splices);
      if (maybePromise instanceof Promise) {
        var queuedSplices = repeat.__queuedSplices = [];

        var runQueuedSplices = function runQueuedSplices() {
          if (!queuedSplices.length) {
            repeat.__queuedSplices = undefined;
            repeat.__array = undefined;
            return;
          }

          var nextPromise = _this2._runSplices(repeat, repeat.__array, queuedSplices) || Promise.resolve();
          queuedSplices = repeat.__queuedSplices = [];
          nextPromise.then(runQueuedSplices);
        };

        maybePromise.then(runQueuedSplices);
      }
    };

    ArrayRepeatStrategy.prototype._runSplices = function _runSplices(repeat, array, splices) {
      var _this3 = this;

      var removeDelta = 0;
      var rmPromises = [];

      for (var i = 0, ii = splices.length; i < ii; ++i) {
        var splice = splices[i];
        var removed = splice.removed;

        for (var j = 0, jj = removed.length; j < jj; ++j) {
          var viewOrPromise = repeat.removeView(splice.index + removeDelta + rmPromises.length, true);
          if (viewOrPromise instanceof Promise) {
            rmPromises.push(viewOrPromise);
          }
        }
        removeDelta -= splice.addedCount;
      }

      if (rmPromises.length > 0) {
        return Promise.all(rmPromises).then(function () {
          var spliceIndexLow = _this3._handleAddedSplices(repeat, array, splices);
          (0, _repeatUtilities.updateOverrideContexts)(repeat.views(), spliceIndexLow);
        });
      }

      var spliceIndexLow = this._handleAddedSplices(repeat, array, splices);
      (0, _repeatUtilities.updateOverrideContexts)(repeat.views(), spliceIndexLow);

      return undefined;
    };

    ArrayRepeatStrategy.prototype._handleAddedSplices = function _handleAddedSplices(repeat, array, splices) {
      var spliceIndex = void 0;
      var spliceIndexLow = void 0;
      var arrayLength = array.length;
      for (var i = 0, ii = splices.length; i < ii; ++i) {
        var splice = splices[i];
        var addIndex = spliceIndex = splice.index;
        var end = splice.index + splice.addedCount;

        if (typeof spliceIndexLow === 'undefined' || spliceIndexLow === null || spliceIndexLow > splice.index) {
          spliceIndexLow = spliceIndex;
        }

        for (; addIndex < end; ++addIndex) {
          var overrideContext = (0, _repeatUtilities.createFullOverrideContext)(repeat, array[addIndex], addIndex, arrayLength);
          repeat.insertView(addIndex, overrideContext.bindingContext, overrideContext);
        }
      }

      return spliceIndexLow;
    };

    return ArrayRepeatStrategy;
  }();
});
define('aurelia-templating-resources/map-repeat-strategy',['exports', './repeat-utilities'], function (exports, _repeatUtilities) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.MapRepeatStrategy = undefined;

  

  var MapRepeatStrategy = exports.MapRepeatStrategy = function () {
    function MapRepeatStrategy() {
      
    }

    MapRepeatStrategy.prototype.getCollectionObserver = function getCollectionObserver(observerLocator, items) {
      return observerLocator.getMapObserver(items);
    };

    MapRepeatStrategy.prototype.instanceChanged = function instanceChanged(repeat, items) {
      var _this = this;

      var removePromise = repeat.removeAllViews(true, !repeat.viewsRequireLifecycle);
      if (removePromise instanceof Promise) {
        removePromise.then(function () {
          return _this._standardProcessItems(repeat, items);
        });
        return;
      }
      this._standardProcessItems(repeat, items);
    };

    MapRepeatStrategy.prototype._standardProcessItems = function _standardProcessItems(repeat, items) {
      var index = 0;
      var overrideContext = void 0;

      items.forEach(function (value, key) {
        overrideContext = (0, _repeatUtilities.createFullOverrideContext)(repeat, value, index, items.size, key);
        repeat.addView(overrideContext.bindingContext, overrideContext);
        ++index;
      });
    };

    MapRepeatStrategy.prototype.instanceMutated = function instanceMutated(repeat, map, records) {
      var key = void 0;
      var i = void 0;
      var ii = void 0;
      var overrideContext = void 0;
      var removeIndex = void 0;
      var addIndex = void 0;
      var record = void 0;
      var rmPromises = [];
      var viewOrPromise = void 0;

      for (i = 0, ii = records.length; i < ii; ++i) {
        record = records[i];
        key = record.key;
        switch (record.type) {
          case 'update':
            removeIndex = this._getViewIndexByKey(repeat, key);
            viewOrPromise = repeat.removeView(removeIndex, true, !repeat.viewsRequireLifecycle);
            if (viewOrPromise instanceof Promise) {
              rmPromises.push(viewOrPromise);
            }
            overrideContext = (0, _repeatUtilities.createFullOverrideContext)(repeat, map.get(key), removeIndex, map.size, key);
            repeat.insertView(removeIndex, overrideContext.bindingContext, overrideContext);
            break;
          case 'add':
            addIndex = repeat.viewCount() <= map.size - 1 ? repeat.viewCount() : map.size - 1;
            overrideContext = (0, _repeatUtilities.createFullOverrideContext)(repeat, map.get(key), addIndex, map.size, key);
            repeat.insertView(map.size - 1, overrideContext.bindingContext, overrideContext);
            break;
          case 'delete':
            if (record.oldValue === undefined) {
              return;
            }
            removeIndex = this._getViewIndexByKey(repeat, key);
            viewOrPromise = repeat.removeView(removeIndex, true, !repeat.viewsRequireLifecycle);
            if (viewOrPromise instanceof Promise) {
              rmPromises.push(viewOrPromise);
            }
            break;
          case 'clear':
            repeat.removeAllViews(true, !repeat.viewsRequireLifecycle);
            break;
          default:
            continue;
        }
      }

      if (rmPromises.length > 0) {
        Promise.all(rmPromises).then(function () {
          (0, _repeatUtilities.updateOverrideContexts)(repeat.views(), 0);
        });
      } else {
        (0, _repeatUtilities.updateOverrideContexts)(repeat.views(), 0);
      }
    };

    MapRepeatStrategy.prototype._getViewIndexByKey = function _getViewIndexByKey(repeat, key) {
      var i = void 0;
      var ii = void 0;
      var child = void 0;

      for (i = 0, ii = repeat.viewCount(); i < ii; ++i) {
        child = repeat.view(i);
        if (child.bindingContext[repeat.key] === key) {
          return i;
        }
      }

      return undefined;
    };

    return MapRepeatStrategy;
  }();
});
define('aurelia-templating-resources/set-repeat-strategy',['exports', './repeat-utilities'], function (exports, _repeatUtilities) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.SetRepeatStrategy = undefined;

  

  var SetRepeatStrategy = exports.SetRepeatStrategy = function () {
    function SetRepeatStrategy() {
      
    }

    SetRepeatStrategy.prototype.getCollectionObserver = function getCollectionObserver(observerLocator, items) {
      return observerLocator.getSetObserver(items);
    };

    SetRepeatStrategy.prototype.instanceChanged = function instanceChanged(repeat, items) {
      var _this = this;

      var removePromise = repeat.removeAllViews(true, !repeat.viewsRequireLifecycle);
      if (removePromise instanceof Promise) {
        removePromise.then(function () {
          return _this._standardProcessItems(repeat, items);
        });
        return;
      }
      this._standardProcessItems(repeat, items);
    };

    SetRepeatStrategy.prototype._standardProcessItems = function _standardProcessItems(repeat, items) {
      var index = 0;
      var overrideContext = void 0;

      items.forEach(function (value) {
        overrideContext = (0, _repeatUtilities.createFullOverrideContext)(repeat, value, index, items.size);
        repeat.addView(overrideContext.bindingContext, overrideContext);
        ++index;
      });
    };

    SetRepeatStrategy.prototype.instanceMutated = function instanceMutated(repeat, set, records) {
      var value = void 0;
      var i = void 0;
      var ii = void 0;
      var overrideContext = void 0;
      var removeIndex = void 0;
      var record = void 0;
      var rmPromises = [];
      var viewOrPromise = void 0;

      for (i = 0, ii = records.length; i < ii; ++i) {
        record = records[i];
        value = record.value;
        switch (record.type) {
          case 'add':
            var size = Math.max(set.size - 1, 0);
            overrideContext = (0, _repeatUtilities.createFullOverrideContext)(repeat, value, size, set.size);
            repeat.insertView(size, overrideContext.bindingContext, overrideContext);
            break;
          case 'delete':
            removeIndex = this._getViewIndexByValue(repeat, value);
            viewOrPromise = repeat.removeView(removeIndex, true, !repeat.viewsRequireLifecycle);
            if (viewOrPromise instanceof Promise) {
              rmPromises.push(viewOrPromise);
            }
            break;
          case 'clear':
            repeat.removeAllViews(true, !repeat.viewsRequireLifecycle);
            break;
          default:
            continue;
        }
      }

      if (rmPromises.length > 0) {
        Promise.all(rmPromises).then(function () {
          (0, _repeatUtilities.updateOverrideContexts)(repeat.views(), 0);
        });
      } else {
        (0, _repeatUtilities.updateOverrideContexts)(repeat.views(), 0);
      }
    };

    SetRepeatStrategy.prototype._getViewIndexByValue = function _getViewIndexByValue(repeat, value) {
      var i = void 0;
      var ii = void 0;
      var child = void 0;

      for (i = 0, ii = repeat.viewCount(); i < ii; ++i) {
        child = repeat.view(i);
        if (child.bindingContext[repeat.local] === value) {
          return i;
        }
      }

      return undefined;
    };

    return SetRepeatStrategy;
  }();
});
define('aurelia-templating-resources/number-repeat-strategy',['exports', './repeat-utilities'], function (exports, _repeatUtilities) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.NumberRepeatStrategy = undefined;

  

  var NumberRepeatStrategy = exports.NumberRepeatStrategy = function () {
    function NumberRepeatStrategy() {
      
    }

    NumberRepeatStrategy.prototype.getCollectionObserver = function getCollectionObserver() {
      return null;
    };

    NumberRepeatStrategy.prototype.instanceChanged = function instanceChanged(repeat, value) {
      var _this = this;

      var removePromise = repeat.removeAllViews(true, !repeat.viewsRequireLifecycle);
      if (removePromise instanceof Promise) {
        removePromise.then(function () {
          return _this._standardProcessItems(repeat, value);
        });
        return;
      }
      this._standardProcessItems(repeat, value);
    };

    NumberRepeatStrategy.prototype._standardProcessItems = function _standardProcessItems(repeat, value) {
      var childrenLength = repeat.viewCount();
      var i = void 0;
      var ii = void 0;
      var overrideContext = void 0;
      var viewsToRemove = void 0;

      value = Math.floor(value);
      viewsToRemove = childrenLength - value;

      if (viewsToRemove > 0) {
        if (viewsToRemove > childrenLength) {
          viewsToRemove = childrenLength;
        }

        for (i = 0, ii = viewsToRemove; i < ii; ++i) {
          repeat.removeView(childrenLength - (i + 1), true, !repeat.viewsRequireLifecycle);
        }

        return;
      }

      for (i = childrenLength, ii = value; i < ii; ++i) {
        overrideContext = (0, _repeatUtilities.createFullOverrideContext)(repeat, i, i, ii);
        repeat.addView(overrideContext.bindingContext, overrideContext);
      }

      (0, _repeatUtilities.updateOverrideContexts)(repeat.views(), 0);
    };

    return NumberRepeatStrategy;
  }();
});
define('aurelia-templating-resources/repeat-strategy-locator',['exports', './null-repeat-strategy', './array-repeat-strategy', './map-repeat-strategy', './set-repeat-strategy', './number-repeat-strategy'], function (exports, _nullRepeatStrategy, _arrayRepeatStrategy, _mapRepeatStrategy, _setRepeatStrategy, _numberRepeatStrategy) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.RepeatStrategyLocator = undefined;

  

  var RepeatStrategyLocator = exports.RepeatStrategyLocator = function () {
    function RepeatStrategyLocator() {
      

      this.matchers = [];
      this.strategies = [];

      this.addStrategy(function (items) {
        return items === null || items === undefined;
      }, new _nullRepeatStrategy.NullRepeatStrategy());
      this.addStrategy(function (items) {
        return items instanceof Array;
      }, new _arrayRepeatStrategy.ArrayRepeatStrategy());
      this.addStrategy(function (items) {
        return items instanceof Map;
      }, new _mapRepeatStrategy.MapRepeatStrategy());
      this.addStrategy(function (items) {
        return items instanceof Set;
      }, new _setRepeatStrategy.SetRepeatStrategy());
      this.addStrategy(function (items) {
        return typeof items === 'number';
      }, new _numberRepeatStrategy.NumberRepeatStrategy());
    }

    RepeatStrategyLocator.prototype.addStrategy = function addStrategy(matcher, strategy) {
      this.matchers.push(matcher);
      this.strategies.push(strategy);
    };

    RepeatStrategyLocator.prototype.getStrategy = function getStrategy(items) {
      var matchers = this.matchers;

      for (var i = 0, ii = matchers.length; i < ii; ++i) {
        if (matchers[i](items)) {
          return this.strategies[i];
        }
      }

      return null;
    };

    return RepeatStrategyLocator;
  }();
});
define('aurelia-templating-resources/analyze-view-factory',['exports'], function (exports) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.viewsRequireLifecycle = viewsRequireLifecycle;
  var lifecycleOptionalBehaviors = exports.lifecycleOptionalBehaviors = ['focus', 'if', 'repeat', 'show', 'with'];

  function behaviorRequiresLifecycle(instruction) {
    var t = instruction.type;
    var name = t.elementName !== null ? t.elementName : t.attributeName;
    return lifecycleOptionalBehaviors.indexOf(name) === -1 && (t.handlesAttached || t.handlesBind || t.handlesCreated || t.handlesDetached || t.handlesUnbind) || t.viewFactory && viewsRequireLifecycle(t.viewFactory) || instruction.viewFactory && viewsRequireLifecycle(instruction.viewFactory);
  }

  function targetRequiresLifecycle(instruction) {
    var behaviors = instruction.behaviorInstructions;
    if (behaviors) {
      var i = behaviors.length;
      while (i--) {
        if (behaviorRequiresLifecycle(behaviors[i])) {
          return true;
        }
      }
    }

    return instruction.viewFactory && viewsRequireLifecycle(instruction.viewFactory);
  }

  function viewsRequireLifecycle(viewFactory) {
    if ('_viewsRequireLifecycle' in viewFactory) {
      return viewFactory._viewsRequireLifecycle;
    }

    viewFactory._viewsRequireLifecycle = false;

    if (viewFactory.viewFactory) {
      viewFactory._viewsRequireLifecycle = viewsRequireLifecycle(viewFactory.viewFactory);
      return viewFactory._viewsRequireLifecycle;
    }

    if (viewFactory.template.querySelector('.au-animate')) {
      viewFactory._viewsRequireLifecycle = true;
      return true;
    }

    for (var id in viewFactory.instructions) {
      if (targetRequiresLifecycle(viewFactory.instructions[id])) {
        viewFactory._viewsRequireLifecycle = true;
        return true;
      }
    }

    viewFactory._viewsRequireLifecycle = false;
    return false;
  }
});
define('aurelia-templating-resources/abstract-repeater',['exports'], function (exports) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });

  

  var AbstractRepeater = exports.AbstractRepeater = function () {
    function AbstractRepeater(options) {
      

      Object.assign(this, {
        local: 'items',
        viewsRequireLifecycle: true
      }, options);
    }

    AbstractRepeater.prototype.viewCount = function viewCount() {
      throw new Error('subclass must implement `viewCount`');
    };

    AbstractRepeater.prototype.views = function views() {
      throw new Error('subclass must implement `views`');
    };

    AbstractRepeater.prototype.view = function view(index) {
      throw new Error('subclass must implement `view`');
    };

    AbstractRepeater.prototype.matcher = function matcher() {
      throw new Error('subclass must implement `matcher`');
    };

    AbstractRepeater.prototype.addView = function addView(bindingContext, overrideContext) {
      throw new Error('subclass must implement `addView`');
    };

    AbstractRepeater.prototype.insertView = function insertView(index, bindingContext, overrideContext) {
      throw new Error('subclass must implement `insertView`');
    };

    AbstractRepeater.prototype.moveView = function moveView(sourceIndex, targetIndex) {
      throw new Error('subclass must implement `moveView`');
    };

    AbstractRepeater.prototype.removeAllViews = function removeAllViews(returnToCache, skipAnimation) {
      throw new Error('subclass must implement `removeAllViews`');
    };

    AbstractRepeater.prototype.removeViews = function removeViews(viewsToRemove, returnToCache, skipAnimation) {
      throw new Error('subclass must implement `removeView`');
    };

    AbstractRepeater.prototype.removeView = function removeView(index, returnToCache, skipAnimation) {
      throw new Error('subclass must implement `removeView`');
    };

    AbstractRepeater.prototype.updateBindings = function updateBindings(view) {
      throw new Error('subclass must implement `updateBindings`');
    };

    return AbstractRepeater;
  }();
});
define('aurelia-templating-resources/repeat',['exports', 'aurelia-dependency-injection', 'aurelia-binding', 'aurelia-templating', './repeat-strategy-locator', './repeat-utilities', './analyze-view-factory', './abstract-repeater'], function (exports, _aureliaDependencyInjection, _aureliaBinding, _aureliaTemplating, _repeatStrategyLocator, _repeatUtilities, _analyzeViewFactory, _abstractRepeater) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.Repeat = undefined;

  function _initDefineProp(target, property, descriptor, context) {
    if (!descriptor) return;
    Object.defineProperty(target, property, {
      enumerable: descriptor.enumerable,
      configurable: descriptor.configurable,
      writable: descriptor.writable,
      value: descriptor.initializer ? descriptor.initializer.call(context) : void 0
    });
  }

  

  function _possibleConstructorReturn(self, call) {
    if (!self) {
      throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
    }

    return call && (typeof call === "object" || typeof call === "function") ? call : self;
  }

  function _inherits(subClass, superClass) {
    if (typeof superClass !== "function" && superClass !== null) {
      throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
    }

    subClass.prototype = Object.create(superClass && superClass.prototype, {
      constructor: {
        value: subClass,
        enumerable: false,
        writable: true,
        configurable: true
      }
    });
    if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
  }

  function _applyDecoratedDescriptor(target, property, decorators, descriptor, context) {
    var desc = {};
    Object['ke' + 'ys'](descriptor).forEach(function (key) {
      desc[key] = descriptor[key];
    });
    desc.enumerable = !!desc.enumerable;
    desc.configurable = !!desc.configurable;

    if ('value' in desc || desc.initializer) {
      desc.writable = true;
    }

    desc = decorators.slice().reverse().reduce(function (desc, decorator) {
      return decorator(target, property, desc) || desc;
    }, desc);

    if (context && desc.initializer !== void 0) {
      desc.value = desc.initializer ? desc.initializer.call(context) : void 0;
      desc.initializer = undefined;
    }

    if (desc.initializer === void 0) {
      Object['define' + 'Property'](target, property, desc);
      desc = null;
    }

    return desc;
  }

  function _initializerWarningHelper(descriptor, context) {
    throw new Error('Decorating class property failed. Please ensure that transform-class-properties is enabled.');
  }

  var _dec, _dec2, _class, _desc, _value, _class2, _descriptor, _descriptor2, _descriptor3, _descriptor4;

  var Repeat = exports.Repeat = (_dec = (0, _aureliaTemplating.customAttribute)('repeat'), _dec2 = (0, _aureliaDependencyInjection.inject)(_aureliaTemplating.BoundViewFactory, _aureliaTemplating.TargetInstruction, _aureliaTemplating.ViewSlot, _aureliaTemplating.ViewResources, _aureliaBinding.ObserverLocator, _repeatStrategyLocator.RepeatStrategyLocator), _dec(_class = (0, _aureliaTemplating.templateController)(_class = _dec2(_class = (_class2 = function (_AbstractRepeater) {
    _inherits(Repeat, _AbstractRepeater);

    function Repeat(viewFactory, instruction, viewSlot, viewResources, observerLocator, strategyLocator) {
      

      var _this = _possibleConstructorReturn(this, _AbstractRepeater.call(this, {
        local: 'item',
        viewsRequireLifecycle: (0, _analyzeViewFactory.viewsRequireLifecycle)(viewFactory)
      }));

      _initDefineProp(_this, 'items', _descriptor, _this);

      _initDefineProp(_this, 'local', _descriptor2, _this);

      _initDefineProp(_this, 'key', _descriptor3, _this);

      _initDefineProp(_this, 'value', _descriptor4, _this);

      _this.viewFactory = viewFactory;
      _this.instruction = instruction;
      _this.viewSlot = viewSlot;
      _this.lookupFunctions = viewResources.lookupFunctions;
      _this.observerLocator = observerLocator;
      _this.key = 'key';
      _this.value = 'value';
      _this.strategyLocator = strategyLocator;
      _this.ignoreMutation = false;
      _this.sourceExpression = (0, _repeatUtilities.getItemsSourceExpression)(_this.instruction, 'repeat.for');
      _this.isOneTime = (0, _repeatUtilities.isOneTime)(_this.sourceExpression);
      _this.viewsRequireLifecycle = (0, _analyzeViewFactory.viewsRequireLifecycle)(viewFactory);
      return _this;
    }

    Repeat.prototype.call = function call(context, changes) {
      this[context](this.items, changes);
    };

    Repeat.prototype.bind = function bind(bindingContext, overrideContext) {
      this.scope = { bindingContext: bindingContext, overrideContext: overrideContext };
      this.matcherBinding = this._captureAndRemoveMatcherBinding();
      this.itemsChanged();
    };

    Repeat.prototype.unbind = function unbind() {
      this.scope = null;
      this.items = null;
      this.matcherBinding = null;
      this.viewSlot.removeAll(true, true);
      this._unsubscribeCollection();
    };

    Repeat.prototype._unsubscribeCollection = function _unsubscribeCollection() {
      if (this.collectionObserver) {
        this.collectionObserver.unsubscribe(this.callContext, this);
        this.collectionObserver = null;
        this.callContext = null;
      }
    };

    Repeat.prototype.itemsChanged = function itemsChanged() {
      this._unsubscribeCollection();

      if (!this.scope) {
        return;
      }

      var items = this.items;
      this.strategy = this.strategyLocator.getStrategy(items);
      if (!this.strategy) {
        throw new Error('Value for \'' + this.sourceExpression + '\' is non-repeatable');
      }

      if (!this.isOneTime && !this._observeInnerCollection()) {
        this._observeCollection();
      }
      this.strategy.instanceChanged(this, items);
    };

    Repeat.prototype._getInnerCollection = function _getInnerCollection() {
      var expression = (0, _repeatUtilities.unwrapExpression)(this.sourceExpression);
      if (!expression) {
        return null;
      }
      return expression.evaluate(this.scope, null);
    };

    Repeat.prototype.handleCollectionMutated = function handleCollectionMutated(collection, changes) {
      if (!this.collectionObserver) {
        return;
      }
      this.strategy.instanceMutated(this, collection, changes);
    };

    Repeat.prototype.handleInnerCollectionMutated = function handleInnerCollectionMutated(collection, changes) {
      var _this2 = this;

      if (!this.collectionObserver) {
        return;
      }

      if (this.ignoreMutation) {
        return;
      }
      this.ignoreMutation = true;
      var newItems = this.sourceExpression.evaluate(this.scope, this.lookupFunctions);
      this.observerLocator.taskQueue.queueMicroTask(function () {
        return _this2.ignoreMutation = false;
      });

      if (newItems === this.items) {
        this.itemsChanged();
      } else {
        this.items = newItems;
      }
    };

    Repeat.prototype._observeInnerCollection = function _observeInnerCollection() {
      var items = this._getInnerCollection();
      var strategy = this.strategyLocator.getStrategy(items);
      if (!strategy) {
        return false;
      }
      this.collectionObserver = strategy.getCollectionObserver(this.observerLocator, items);
      if (!this.collectionObserver) {
        return false;
      }
      this.callContext = 'handleInnerCollectionMutated';
      this.collectionObserver.subscribe(this.callContext, this);
      return true;
    };

    Repeat.prototype._observeCollection = function _observeCollection() {
      var items = this.items;
      this.collectionObserver = this.strategy.getCollectionObserver(this.observerLocator, items);
      if (this.collectionObserver) {
        this.callContext = 'handleCollectionMutated';
        this.collectionObserver.subscribe(this.callContext, this);
      }
    };

    Repeat.prototype._captureAndRemoveMatcherBinding = function _captureAndRemoveMatcherBinding() {
      if (this.viewFactory.viewFactory) {
        var instructions = this.viewFactory.viewFactory.instructions;
        var instructionIds = Object.keys(instructions);
        for (var i = 0; i < instructionIds.length; i++) {
          var expressions = instructions[instructionIds[i]].expressions;
          if (expressions) {
            for (var ii = 0; i < expressions.length; i++) {
              if (expressions[ii].targetProperty === 'matcher') {
                var matcherBinding = expressions[ii];
                expressions.splice(ii, 1);
                return matcherBinding;
              }
            }
          }
        }
      }

      return undefined;
    };

    Repeat.prototype.viewCount = function viewCount() {
      return this.viewSlot.children.length;
    };

    Repeat.prototype.views = function views() {
      return this.viewSlot.children;
    };

    Repeat.prototype.view = function view(index) {
      return this.viewSlot.children[index];
    };

    Repeat.prototype.matcher = function matcher() {
      return this.matcherBinding ? this.matcherBinding.sourceExpression.evaluate(this.scope, this.matcherBinding.lookupFunctions) : null;
    };

    Repeat.prototype.addView = function addView(bindingContext, overrideContext) {
      var view = this.viewFactory.create();
      view.bind(bindingContext, overrideContext);
      this.viewSlot.add(view);
    };

    Repeat.prototype.insertView = function insertView(index, bindingContext, overrideContext) {
      var view = this.viewFactory.create();
      view.bind(bindingContext, overrideContext);
      this.viewSlot.insert(index, view);
    };

    Repeat.prototype.moveView = function moveView(sourceIndex, targetIndex) {
      this.viewSlot.move(sourceIndex, targetIndex);
    };

    Repeat.prototype.removeAllViews = function removeAllViews(returnToCache, skipAnimation) {
      return this.viewSlot.removeAll(returnToCache, skipAnimation);
    };

    Repeat.prototype.removeViews = function removeViews(viewsToRemove, returnToCache, skipAnimation) {
      return this.viewSlot.removeMany(viewsToRemove, returnToCache, skipAnimation);
    };

    Repeat.prototype.removeView = function removeView(index, returnToCache, skipAnimation) {
      return this.viewSlot.removeAt(index, returnToCache, skipAnimation);
    };

    Repeat.prototype.updateBindings = function updateBindings(view) {
      var j = view.bindings.length;
      while (j--) {
        (0, _repeatUtilities.updateOneTimeBinding)(view.bindings[j]);
      }
      j = view.controllers.length;
      while (j--) {
        var k = view.controllers[j].boundProperties.length;
        while (k--) {
          var binding = view.controllers[j].boundProperties[k].binding;
          (0, _repeatUtilities.updateOneTimeBinding)(binding);
        }
      }
    };

    return Repeat;
  }(_abstractRepeater.AbstractRepeater), (_descriptor = _applyDecoratedDescriptor(_class2.prototype, 'items', [_aureliaTemplating.bindable], {
    enumerable: true,
    initializer: null
  }), _descriptor2 = _applyDecoratedDescriptor(_class2.prototype, 'local', [_aureliaTemplating.bindable], {
    enumerable: true,
    initializer: null
  }), _descriptor3 = _applyDecoratedDescriptor(_class2.prototype, 'key', [_aureliaTemplating.bindable], {
    enumerable: true,
    initializer: null
  }), _descriptor4 = _applyDecoratedDescriptor(_class2.prototype, 'value', [_aureliaTemplating.bindable], {
    enumerable: true,
    initializer: null
  })), _class2)) || _class) || _class) || _class);
});
define('aurelia-templating-resources/aurelia-hide-style',['exports', 'aurelia-pal'], function (exports, _aureliaPal) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.aureliaHideClassName = undefined;
  exports.injectAureliaHideStyleAtHead = injectAureliaHideStyleAtHead;
  exports.injectAureliaHideStyleAtBoundary = injectAureliaHideStyleAtBoundary;
  var aureliaHideClassName = exports.aureliaHideClassName = 'aurelia-hide';

  var aureliaHideClass = '.' + aureliaHideClassName + ' { display:none !important; }';

  function injectAureliaHideStyleAtHead() {
    _aureliaPal.DOM.injectStyles(aureliaHideClass);
  }

  function injectAureliaHideStyleAtBoundary(domBoundary) {
    if (_aureliaPal.FEATURE.shadowDOM && domBoundary && !domBoundary.hasAureliaHideStyle) {
      domBoundary.hasAureliaHideStyle = true;
      _aureliaPal.DOM.injectStyles(aureliaHideClass, domBoundary);
    }
  }
});
define('aurelia-templating-resources/show',['exports', 'aurelia-dependency-injection', 'aurelia-templating', 'aurelia-pal', './aurelia-hide-style'], function (exports, _aureliaDependencyInjection, _aureliaTemplating, _aureliaPal, _aureliaHideStyle) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.Show = undefined;

  

  var _dec, _dec2, _class;

  var Show = exports.Show = (_dec = (0, _aureliaTemplating.customAttribute)('show'), _dec2 = (0, _aureliaDependencyInjection.inject)(_aureliaPal.DOM.Element, _aureliaTemplating.Animator, _aureliaDependencyInjection.Optional.of(_aureliaPal.DOM.boundary, true)), _dec(_class = _dec2(_class = function () {
    function Show(element, animator, domBoundary) {
      

      this.element = element;
      this.animator = animator;
      this.domBoundary = domBoundary;
    }

    Show.prototype.created = function created() {
      (0, _aureliaHideStyle.injectAureliaHideStyleAtBoundary)(this.domBoundary);
    };

    Show.prototype.valueChanged = function valueChanged(newValue) {
      if (newValue) {
        this.animator.removeClass(this.element, _aureliaHideStyle.aureliaHideClassName);
      } else {
        this.animator.addClass(this.element, _aureliaHideStyle.aureliaHideClassName);
      }
    };

    Show.prototype.bind = function bind(bindingContext) {
      this.valueChanged(this.value);
    };

    return Show;
  }()) || _class) || _class);
});
define('aurelia-templating-resources/hide',['exports', 'aurelia-dependency-injection', 'aurelia-templating', 'aurelia-pal', './aurelia-hide-style'], function (exports, _aureliaDependencyInjection, _aureliaTemplating, _aureliaPal, _aureliaHideStyle) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.Hide = undefined;

  

  var _dec, _dec2, _class;

  var Hide = exports.Hide = (_dec = (0, _aureliaTemplating.customAttribute)('hide'), _dec2 = (0, _aureliaDependencyInjection.inject)(_aureliaPal.DOM.Element, _aureliaTemplating.Animator, _aureliaDependencyInjection.Optional.of(_aureliaPal.DOM.boundary, true)), _dec(_class = _dec2(_class = function () {
    function Hide(element, animator, domBoundary) {
      

      this.element = element;
      this.animator = animator;
      this.domBoundary = domBoundary;
    }

    Hide.prototype.created = function created() {
      (0, _aureliaHideStyle.injectAureliaHideStyleAtBoundary)(this.domBoundary);
    };

    Hide.prototype.valueChanged = function valueChanged(newValue) {
      if (newValue) {
        this.animator.addClass(this.element, _aureliaHideStyle.aureliaHideClassName);
      } else {
        this.animator.removeClass(this.element, _aureliaHideStyle.aureliaHideClassName);
      }
    };

    Hide.prototype.bind = function bind(bindingContext) {
      this.valueChanged(this.value);
    };

    return Hide;
  }()) || _class) || _class);
});
define('aurelia-templating-resources/html-sanitizer',['exports'], function (exports) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });

  

  var SCRIPT_REGEX = /<script\b[^<]*(?:(?!<\/script>)<[^<]*)*<\/script>/gi;

  var HTMLSanitizer = exports.HTMLSanitizer = function () {
    function HTMLSanitizer() {
      
    }

    HTMLSanitizer.prototype.sanitize = function sanitize(input) {
      return input.replace(SCRIPT_REGEX, '');
    };

    return HTMLSanitizer;
  }();
});
define('aurelia-templating-resources/sanitize-html',['exports', 'aurelia-binding', 'aurelia-dependency-injection', './html-sanitizer'], function (exports, _aureliaBinding, _aureliaDependencyInjection, _htmlSanitizer) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.SanitizeHTMLValueConverter = undefined;

  

  var _dec, _dec2, _class;

  var SanitizeHTMLValueConverter = exports.SanitizeHTMLValueConverter = (_dec = (0, _aureliaBinding.valueConverter)('sanitizeHTML'), _dec2 = (0, _aureliaDependencyInjection.inject)(_htmlSanitizer.HTMLSanitizer), _dec(_class = _dec2(_class = function () {
    function SanitizeHTMLValueConverter(sanitizer) {
      

      this.sanitizer = sanitizer;
    }

    SanitizeHTMLValueConverter.prototype.toView = function toView(untrustedMarkup) {
      if (untrustedMarkup === null || untrustedMarkup === undefined) {
        return null;
      }

      return this.sanitizer.sanitize(untrustedMarkup);
    };

    return SanitizeHTMLValueConverter;
  }()) || _class) || _class);
});
define('aurelia-templating-resources/replaceable',['exports', 'aurelia-dependency-injection', 'aurelia-templating'], function (exports, _aureliaDependencyInjection, _aureliaTemplating) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.Replaceable = undefined;

  

  var _dec, _dec2, _class;

  var Replaceable = exports.Replaceable = (_dec = (0, _aureliaTemplating.customAttribute)('replaceable'), _dec2 = (0, _aureliaDependencyInjection.inject)(_aureliaTemplating.BoundViewFactory, _aureliaTemplating.ViewSlot), _dec(_class = (0, _aureliaTemplating.templateController)(_class = _dec2(_class = function () {
    function Replaceable(viewFactory, viewSlot) {
      

      this.viewFactory = viewFactory;
      this.viewSlot = viewSlot;
      this.view = null;
    }

    Replaceable.prototype.bind = function bind(bindingContext, overrideContext) {
      if (this.view === null) {
        this.view = this.viewFactory.create();
        this.viewSlot.add(this.view);
      }

      this.view.bind(bindingContext, overrideContext);
    };

    Replaceable.prototype.unbind = function unbind() {
      this.view.unbind();
    };

    return Replaceable;
  }()) || _class) || _class) || _class);
});
define('aurelia-templating-resources/focus',['exports', 'aurelia-templating', 'aurelia-binding', 'aurelia-dependency-injection', 'aurelia-task-queue', 'aurelia-pal'], function (exports, _aureliaTemplating, _aureliaBinding, _aureliaDependencyInjection, _aureliaTaskQueue, _aureliaPal) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.Focus = undefined;

  

  var _dec, _dec2, _class;

  var Focus = exports.Focus = (_dec = (0, _aureliaTemplating.customAttribute)('focus', _aureliaBinding.bindingMode.twoWay), _dec2 = (0, _aureliaDependencyInjection.inject)(_aureliaPal.DOM.Element, _aureliaTaskQueue.TaskQueue), _dec(_class = _dec2(_class = function () {
    function Focus(element, taskQueue) {
      

      this.element = element;
      this.taskQueue = taskQueue;
      this.isAttached = false;
      this.needsApply = false;
    }

    Focus.prototype.valueChanged = function valueChanged(newValue) {
      if (this.isAttached) {
        this._apply();
      } else {
        this.needsApply = true;
      }
    };

    Focus.prototype._apply = function _apply() {
      var _this = this;

      if (this.value) {
        this.taskQueue.queueMicroTask(function () {
          if (_this.value) {
            _this.element.focus();
          }
        });
      } else {
        this.element.blur();
      }
    };

    Focus.prototype.attached = function attached() {
      this.isAttached = true;
      if (this.needsApply) {
        this.needsApply = false;
        this._apply();
      }
      this.element.addEventListener('focus', this);
      this.element.addEventListener('blur', this);
    };

    Focus.prototype.detached = function detached() {
      this.isAttached = false;
      this.element.removeEventListener('focus', this);
      this.element.removeEventListener('blur', this);
    };

    Focus.prototype.handleEvent = function handleEvent(e) {
      if (e.type === 'focus') {
        this.value = true;
      } else if (_aureliaPal.DOM.activeElement !== this.element) {
        this.value = false;
      }
    };

    return Focus;
  }()) || _class) || _class);
});
define('aurelia-templating-resources/css-resource',['exports', 'aurelia-templating', 'aurelia-loader', 'aurelia-dependency-injection', 'aurelia-path', 'aurelia-pal'], function (exports, _aureliaTemplating, _aureliaLoader, _aureliaDependencyInjection, _aureliaPath, _aureliaPal) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports._createCSSResource = _createCSSResource;

  function _possibleConstructorReturn(self, call) {
    if (!self) {
      throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
    }

    return call && (typeof call === "object" || typeof call === "function") ? call : self;
  }

  function _inherits(subClass, superClass) {
    if (typeof superClass !== "function" && superClass !== null) {
      throw new TypeError("Super expression must either be null or a function, not " + typeof superClass);
    }

    subClass.prototype = Object.create(superClass && superClass.prototype, {
      constructor: {
        value: subClass,
        enumerable: false,
        writable: true,
        configurable: true
      }
    });
    if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass;
  }

  

  var cssUrlMatcher = /url\((?!['"]data)([^)]+)\)/gi;

  function fixupCSSUrls(address, css) {
    if (typeof css !== 'string') {
      throw new Error('Failed loading required CSS file: ' + address);
    }
    return css.replace(cssUrlMatcher, function (match, p1) {
      var quote = p1.charAt(0);
      if (quote === '\'' || quote === '"') {
        p1 = p1.substr(1, p1.length - 2);
      }
      return 'url(\'' + (0, _aureliaPath.relativeToFile)(p1, address) + '\')';
    });
  }

  var CSSResource = function () {
    function CSSResource(address) {
      

      this.address = address;
      this._scoped = null;
      this._global = false;
      this._alreadyGloballyInjected = false;
    }

    CSSResource.prototype.initialize = function initialize(container, target) {
      this._scoped = new target(this);
    };

    CSSResource.prototype.register = function register(registry, name) {
      if (name === 'scoped') {
        registry.registerViewEngineHooks(this._scoped);
      } else {
        this._global = true;
      }
    };

    CSSResource.prototype.load = function load(container) {
      var _this = this;

      return container.get(_aureliaLoader.Loader).loadText(this.address).catch(function (err) {
        return null;
      }).then(function (text) {
        text = fixupCSSUrls(_this.address, text);
        _this._scoped.css = text;
        if (_this._global) {
          _this._alreadyGloballyInjected = true;
          _aureliaPal.DOM.injectStyles(text);
        }
      });
    };

    return CSSResource;
  }();

  var CSSViewEngineHooks = function () {
    function CSSViewEngineHooks(owner) {
      

      this.owner = owner;
      this.css = null;
    }

    CSSViewEngineHooks.prototype.beforeCompile = function beforeCompile(content, resources, instruction) {
      if (instruction.targetShadowDOM) {
        _aureliaPal.DOM.injectStyles(this.css, content, true);
      } else if (_aureliaPal.FEATURE.scopedCSS) {
        var styleNode = _aureliaPal.DOM.injectStyles(this.css, content, true);
        styleNode.setAttribute('scoped', 'scoped');
      } else if (this._global && !this.owner._alreadyGloballyInjected) {
        _aureliaPal.DOM.injectStyles(this.css);
        this.owner._alreadyGloballyInjected = true;
      }
    };

    return CSSViewEngineHooks;
  }();

  function _createCSSResource(address) {
    var _dec, _class;

    var ViewCSS = (_dec = (0, _aureliaTemplating.resource)(new CSSResource(address)), _dec(_class = function (_CSSViewEngineHooks) {
      _inherits(ViewCSS, _CSSViewEngineHooks);

      function ViewCSS() {
        

        return _possibleConstructorReturn(this, _CSSViewEngineHooks.apply(this, arguments));
      }

      return ViewCSS;
    }(CSSViewEngineHooks)) || _class);

    return ViewCSS;
  }
});
define('aurelia-templating-resources/attr-binding-behavior',['exports', 'aurelia-binding'], function (exports, _aureliaBinding) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.AttrBindingBehavior = undefined;

  

  var AttrBindingBehavior = exports.AttrBindingBehavior = function () {
    function AttrBindingBehavior() {
      
    }

    AttrBindingBehavior.prototype.bind = function bind(binding, source) {
      binding.targetObserver = new _aureliaBinding.DataAttributeObserver(binding.target, binding.targetProperty);
    };

    AttrBindingBehavior.prototype.unbind = function unbind(binding, source) {};

    return AttrBindingBehavior;
  }();
});
define('aurelia-templating-resources/binding-mode-behaviors',['exports', 'aurelia-binding', 'aurelia-metadata'], function (exports, _aureliaBinding, _aureliaMetadata) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.TwoWayBindingBehavior = exports.OneWayBindingBehavior = exports.OneTimeBindingBehavior = undefined;

  

  var _dec, _class, _dec2, _class2, _dec3, _class3;

  var modeBindingBehavior = {
    bind: function bind(binding, source, lookupFunctions) {
      binding.originalMode = binding.mode;
      binding.mode = this.mode;
    },
    unbind: function unbind(binding, source) {
      binding.mode = binding.originalMode;
      binding.originalMode = null;
    }
  };

  var OneTimeBindingBehavior = exports.OneTimeBindingBehavior = (_dec = (0, _aureliaMetadata.mixin)(modeBindingBehavior), _dec(_class = function OneTimeBindingBehavior() {
    

    this.mode = _aureliaBinding.bindingMode.oneTime;
  }) || _class);
  var OneWayBindingBehavior = exports.OneWayBindingBehavior = (_dec2 = (0, _aureliaMetadata.mixin)(modeBindingBehavior), _dec2(_class2 = function OneWayBindingBehavior() {
    

    this.mode = _aureliaBinding.bindingMode.oneWay;
  }) || _class2);
  var TwoWayBindingBehavior = exports.TwoWayBindingBehavior = (_dec3 = (0, _aureliaMetadata.mixin)(modeBindingBehavior), _dec3(_class3 = function TwoWayBindingBehavior() {
    

    this.mode = _aureliaBinding.bindingMode.twoWay;
  }) || _class3);
});
define('aurelia-templating-resources/throttle-binding-behavior',['exports', 'aurelia-binding'], function (exports, _aureliaBinding) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.ThrottleBindingBehavior = undefined;

  

  function throttle(newValue) {
    var _this = this;

    var state = this.throttleState;
    var elapsed = +new Date() - state.last;
    if (elapsed >= state.delay) {
      clearTimeout(state.timeoutId);
      state.timeoutId = null;
      state.last = +new Date();
      this.throttledMethod(newValue);
      return;
    }
    state.newValue = newValue;
    if (state.timeoutId === null) {
      state.timeoutId = setTimeout(function () {
        state.timeoutId = null;
        state.last = +new Date();
        _this.throttledMethod(state.newValue);
      }, state.delay - elapsed);
    }
  }

  var ThrottleBindingBehavior = exports.ThrottleBindingBehavior = function () {
    function ThrottleBindingBehavior() {
      
    }

    ThrottleBindingBehavior.prototype.bind = function bind(binding, source) {
      var delay = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 200;

      var methodToThrottle = 'updateTarget';
      if (binding.callSource) {
        methodToThrottle = 'callSource';
      } else if (binding.updateSource && binding.mode === _aureliaBinding.bindingMode.twoWay) {
        methodToThrottle = 'updateSource';
      }

      binding.throttledMethod = binding[methodToThrottle];
      binding.throttledMethod.originalName = methodToThrottle;

      binding[methodToThrottle] = throttle;

      binding.throttleState = {
        delay: delay,
        last: 0,
        timeoutId: null
      };
    };

    ThrottleBindingBehavior.prototype.unbind = function unbind(binding, source) {
      var methodToRestore = binding.throttledMethod.originalName;
      binding[methodToRestore] = binding.throttledMethod;
      binding.throttledMethod = null;
      clearTimeout(binding.throttleState.timeoutId);
      binding.throttleState = null;
    };

    return ThrottleBindingBehavior;
  }();
});
define('aurelia-templating-resources/debounce-binding-behavior',['exports', 'aurelia-binding'], function (exports, _aureliaBinding) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.DebounceBindingBehavior = undefined;

  

  function debounce(newValue) {
    var _this = this;

    var state = this.debounceState;
    if (state.immediate) {
      state.immediate = false;
      this.debouncedMethod(newValue);
      return;
    }
    clearTimeout(state.timeoutId);
    state.timeoutId = setTimeout(function () {
      return _this.debouncedMethod(newValue);
    }, state.delay);
  }

  var DebounceBindingBehavior = exports.DebounceBindingBehavior = function () {
    function DebounceBindingBehavior() {
      
    }

    DebounceBindingBehavior.prototype.bind = function bind(binding, source) {
      var delay = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : 200;

      var methodToDebounce = 'updateTarget';
      if (binding.callSource) {
        methodToDebounce = 'callSource';
      } else if (binding.updateSource && binding.mode === _aureliaBinding.bindingMode.twoWay) {
        methodToDebounce = 'updateSource';
      }

      binding.debouncedMethod = binding[methodToDebounce];
      binding.debouncedMethod.originalName = methodToDebounce;

      binding[methodToDebounce] = debounce;

      binding.debounceState = {
        delay: delay,
        timeoutId: null,
        immediate: methodToDebounce === 'updateTarget' };
    };

    DebounceBindingBehavior.prototype.unbind = function unbind(binding, source) {
      var methodToRestore = binding.debouncedMethod.originalName;
      binding[methodToRestore] = binding.debouncedMethod;
      binding.debouncedMethod = null;
      clearTimeout(binding.debounceState.timeoutId);
      binding.debounceState = null;
    };

    return DebounceBindingBehavior;
  }();
});
define('aurelia-templating-resources/self-binding-behavior',['exports'], function (exports) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });

  

  function findOriginalEventTarget(event) {
    return event.path && event.path[0] || event.deepPath && event.deepPath[0] || event.target;
  }

  function handleSelfEvent(event) {
    var target = findOriginalEventTarget(event);
    if (this.target !== target) return;
    this.selfEventCallSource(event);
  }

  var SelfBindingBehavior = exports.SelfBindingBehavior = function () {
    function SelfBindingBehavior() {
      
    }

    SelfBindingBehavior.prototype.bind = function bind(binding, source) {
      if (!binding.callSource || !binding.targetEvent) throw new Error('Self binding behavior only supports event.');
      binding.selfEventCallSource = binding.callSource;
      binding.callSource = handleSelfEvent;
    };

    SelfBindingBehavior.prototype.unbind = function unbind(binding, source) {
      binding.callSource = binding.selfEventCallSource;
      binding.selfEventCallSource = null;
    };

    return SelfBindingBehavior;
  }();
});
define('aurelia-templating-resources/binding-signaler',['exports', 'aurelia-binding'], function (exports, _aureliaBinding) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.BindingSignaler = undefined;

  

  var BindingSignaler = exports.BindingSignaler = function () {
    function BindingSignaler() {
      

      this.signals = {};
    }

    BindingSignaler.prototype.signal = function signal(name) {
      var bindings = this.signals[name];
      if (!bindings) {
        return;
      }
      var i = bindings.length;
      while (i--) {
        bindings[i].call(_aureliaBinding.sourceContext);
      }
    };

    return BindingSignaler;
  }();
});
define('aurelia-templating-resources/signal-binding-behavior',['exports', './binding-signaler'], function (exports, _bindingSignaler) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.SignalBindingBehavior = undefined;

  

  var SignalBindingBehavior = exports.SignalBindingBehavior = function () {
    SignalBindingBehavior.inject = function inject() {
      return [_bindingSignaler.BindingSignaler];
    };

    function SignalBindingBehavior(bindingSignaler) {
      

      this.signals = bindingSignaler.signals;
    }

    SignalBindingBehavior.prototype.bind = function bind(binding, source) {
      if (!binding.updateTarget) {
        throw new Error('Only property bindings and string interpolation bindings can be signaled.  Trigger, delegate and call bindings cannot be signaled.');
      }
      if (arguments.length === 3) {
        var name = arguments[2];
        var bindings = this.signals[name] || (this.signals[name] = []);
        bindings.push(binding);
        binding.signalName = name;
      } else if (arguments.length > 3) {
        var names = Array.prototype.slice.call(arguments, 2);
        var i = names.length;
        while (i--) {
          var _name = names[i];
          var _bindings = this.signals[_name] || (this.signals[_name] = []);
          _bindings.push(binding);
        }
        binding.signalName = names;
      } else {
        throw new Error('Signal name is required.');
      }
    };

    SignalBindingBehavior.prototype.unbind = function unbind(binding, source) {
      var name = binding.signalName;
      binding.signalName = null;
      if (Array.isArray(name)) {
        var names = name;
        var i = names.length;
        while (i--) {
          var n = names[i];
          var bindings = this.signals[n];
          bindings.splice(bindings.indexOf(binding), 1);
        }
      } else {
        var _bindings2 = this.signals[name];
        _bindings2.splice(_bindings2.indexOf(binding), 1);
      }
    };

    return SignalBindingBehavior;
  }();
});
define('aurelia-templating-resources/update-trigger-binding-behavior',['exports', 'aurelia-binding'], function (exports, _aureliaBinding) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.UpdateTriggerBindingBehavior = undefined;

  

  var _class, _temp;

  var eventNamesRequired = 'The updateTrigger binding behavior requires at least one event name argument: eg <input value.bind="firstName & updateTrigger:\'blur\'">';
  var notApplicableMessage = 'The updateTrigger binding behavior can only be applied to two-way bindings on input/select elements.';

  var UpdateTriggerBindingBehavior = exports.UpdateTriggerBindingBehavior = (_temp = _class = function () {
    function UpdateTriggerBindingBehavior(eventManager) {
      

      this.eventManager = eventManager;
    }

    UpdateTriggerBindingBehavior.prototype.bind = function bind(binding, source) {
      for (var _len = arguments.length, events = Array(_len > 2 ? _len - 2 : 0), _key = 2; _key < _len; _key++) {
        events[_key - 2] = arguments[_key];
      }

      if (events.length === 0) {
        throw new Error(eventNamesRequired);
      }
      if (binding.mode !== _aureliaBinding.bindingMode.twoWay) {
        throw new Error(notApplicableMessage);
      }

      var targetObserver = binding.observerLocator.getObserver(binding.target, binding.targetProperty);
      if (!targetObserver.handler) {
        throw new Error(notApplicableMessage);
      }
      binding.targetObserver = targetObserver;

      targetObserver.originalHandler = binding.targetObserver.handler;

      var handler = this.eventManager.createElementHandler(events);
      targetObserver.handler = handler;
    };

    UpdateTriggerBindingBehavior.prototype.unbind = function unbind(binding, source) {
      binding.targetObserver.handler = binding.targetObserver.originalHandler;
      binding.targetObserver.originalHandler = null;
    };

    return UpdateTriggerBindingBehavior;
  }(), _class.inject = [_aureliaBinding.EventManager], _temp);
});
define('aurelia-templating-resources/dynamic-element',['exports', 'aurelia-templating'], function (exports, _aureliaTemplating) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports._createDynamicElement = _createDynamicElement;

  

  function _createDynamicElement(name, viewUrl, bindableNames) {
    var _dec, _dec2, _class;

    var DynamicElement = (_dec = (0, _aureliaTemplating.customElement)(name), _dec2 = (0, _aureliaTemplating.useView)(viewUrl), _dec(_class = _dec2(_class = function () {
      function DynamicElement() {
        
      }

      DynamicElement.prototype.bind = function bind(bindingContext) {
        this.$parent = bindingContext;
      };

      return DynamicElement;
    }()) || _class) || _class);

    for (var i = 0, ii = bindableNames.length; i < ii; ++i) {
      (0, _aureliaTemplating.bindable)(bindableNames[i])(DynamicElement);
    }
    return DynamicElement;
  }
});
define('aurelia-templating-resources/html-resource-plugin',['exports', 'aurelia-templating', './dynamic-element'], function (exports, _aureliaTemplating, _dynamicElement) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.getElementName = getElementName;
  exports.configure = configure;
  function getElementName(address) {
    return (/([^\/^\?]+)\.html/i.exec(address)[1].toLowerCase()
    );
  }

  function configure(config) {
    var viewEngine = config.container.get(_aureliaTemplating.ViewEngine);
    var loader = config.aurelia.loader;

    viewEngine.addResourcePlugin('.html', {
      'fetch': function fetch(address) {
        return loader.loadTemplate(address).then(function (registryEntry) {
          var _ref;

          var bindable = registryEntry.template.getAttribute('bindable');
          var elementName = getElementName(address);

          if (bindable) {
            bindable = bindable.split(',').map(function (x) {
              return x.trim();
            });
            registryEntry.template.removeAttribute('bindable');
          } else {
            bindable = [];
          }

          return _ref = {}, _ref[elementName] = (0, _dynamicElement._createDynamicElement)(elementName, address, bindable), _ref;
        });
      }
    });
  }
});
define('aurelia-templating-resources/aurelia-templating-resources',['exports', 'aurelia-pal', './compose', './if', './else', './with', './repeat', './show', './hide', './sanitize-html', './replaceable', './focus', 'aurelia-templating', './css-resource', './html-sanitizer', './attr-binding-behavior', './binding-mode-behaviors', './throttle-binding-behavior', './debounce-binding-behavior', './self-binding-behavior', './signal-binding-behavior', './binding-signaler', './update-trigger-binding-behavior', './abstract-repeater', './repeat-strategy-locator', './html-resource-plugin', './null-repeat-strategy', './array-repeat-strategy', './map-repeat-strategy', './set-repeat-strategy', './number-repeat-strategy', './repeat-utilities', './analyze-view-factory', './aurelia-hide-style'], function (exports, _aureliaPal, _compose, _if, _else, _with, _repeat, _show, _hide, _sanitizeHtml, _replaceable, _focus, _aureliaTemplating, _cssResource, _htmlSanitizer, _attrBindingBehavior, _bindingModeBehaviors, _throttleBindingBehavior, _debounceBindingBehavior, _selfBindingBehavior, _signalBindingBehavior, _bindingSignaler, _updateTriggerBindingBehavior, _abstractRepeater, _repeatStrategyLocator, _htmlResourcePlugin, _nullRepeatStrategy, _arrayRepeatStrategy, _mapRepeatStrategy, _setRepeatStrategy, _numberRepeatStrategy, _repeatUtilities, _analyzeViewFactory, _aureliaHideStyle) {
  'use strict';

  Object.defineProperty(exports, "__esModule", {
    value: true
  });
  exports.viewsRequireLifecycle = exports.unwrapExpression = exports.updateOneTimeBinding = exports.isOneTime = exports.getItemsSourceExpression = exports.updateOverrideContext = exports.createFullOverrideContext = exports.NumberRepeatStrategy = exports.SetRepeatStrategy = exports.MapRepeatStrategy = exports.ArrayRepeatStrategy = exports.NullRepeatStrategy = exports.RepeatStrategyLocator = exports.AbstractRepeater = exports.UpdateTriggerBindingBehavior = exports.BindingSignaler = exports.SignalBindingBehavior = exports.SelfBindingBehavior = exports.DebounceBindingBehavior = exports.ThrottleBindingBehavior = exports.TwoWayBindingBehavior = exports.OneWayBindingBehavior = exports.OneTimeBindingBehavior = exports.AttrBindingBehavior = exports.configure = exports.Focus = exports.Replaceable = exports.SanitizeHTMLValueConverter = exports.HTMLSanitizer = exports.Hide = exports.Show = exports.Repeat = exports.With = exports.Else = exports.If = exports.Compose = undefined;


  function configure(config) {
    (0, _aureliaHideStyle.injectAureliaHideStyleAtHead)();

    config.globalResources(_aureliaPal.PLATFORM.moduleName('./compose'), _aureliaPal.PLATFORM.moduleName('./if'), _aureliaPal.PLATFORM.moduleName('./else'), _aureliaPal.PLATFORM.moduleName('./with'), _aureliaPal.PLATFORM.moduleName('./repeat'), _aureliaPal.PLATFORM.moduleName('./show'), _aureliaPal.PLATFORM.moduleName('./hide'), _aureliaPal.PLATFORM.moduleName('./replaceable'), _aureliaPal.PLATFORM.moduleName('./sanitize-html'), _aureliaPal.PLATFORM.moduleName('./focus'), _aureliaPal.PLATFORM.moduleName('./binding-mode-behaviors'), _aureliaPal.PLATFORM.moduleName('./self-binding-behavior'), _aureliaPal.PLATFORM.moduleName('./throttle-binding-behavior'), _aureliaPal.PLATFORM.moduleName('./debounce-binding-behavior'), _aureliaPal.PLATFORM.moduleName('./signal-binding-behavior'), _aureliaPal.PLATFORM.moduleName('./update-trigger-binding-behavior'), _aureliaPal.PLATFORM.moduleName('./attr-binding-behavior'));

    (0, _htmlResourcePlugin.configure)(config);

    var viewEngine = config.container.get(_aureliaTemplating.ViewEngine);
    var styleResourcePlugin = {
      fetch: function fetch(address) {
        var _ref;

        return _ref = {}, _ref[address] = (0, _cssResource._createCSSResource)(address), _ref;
      }
    };
    ['.css', '.less', '.sass', '.scss', '.styl'].forEach(function (ext) {
      return viewEngine.addResourcePlugin(ext, styleResourcePlugin);
    });
  }

  exports.Compose = _compose.Compose;
  exports.If = _if.If;
  exports.Else = _else.Else;
  exports.With = _with.With;
  exports.Repeat = _repeat.Repeat;
  exports.Show = _show.Show;
  exports.Hide = _hide.Hide;
  exports.HTMLSanitizer = _htmlSanitizer.HTMLSanitizer;
  exports.SanitizeHTMLValueConverter = _sanitizeHtml.SanitizeHTMLValueConverter;
  exports.Replaceable = _replaceable.Replaceable;
  exports.Focus = _focus.Focus;
  exports.configure = configure;
  exports.AttrBindingBehavior = _attrBindingBehavior.AttrBindingBehavior;
  exports.OneTimeBindingBehavior = _bindingModeBehaviors.OneTimeBindingBehavior;
  exports.OneWayBindingBehavior = _bindingModeBehaviors.OneWayBindingBehavior;
  exports.TwoWayBindingBehavior = _bindingModeBehaviors.TwoWayBindingBehavior;
  exports.ThrottleBindingBehavior = _throttleBindingBehavior.ThrottleBindingBehavior;
  exports.DebounceBindingBehavior = _debounceBindingBehavior.DebounceBindingBehavior;
  exports.SelfBindingBehavior = _selfBindingBehavior.SelfBindingBehavior;
  exports.SignalBindingBehavior = _signalBindingBehavior.SignalBindingBehavior;
  exports.BindingSignaler = _bindingSignaler.BindingSignaler;
  exports.UpdateTriggerBindingBehavior = _updateTriggerBindingBehavior.UpdateTriggerBindingBehavior;
  exports.AbstractRepeater = _abstractRepeater.AbstractRepeater;
  exports.RepeatStrategyLocator = _repeatStrategyLocator.RepeatStrategyLocator;
  exports.NullRepeatStrategy = _nullRepeatStrategy.NullRepeatStrategy;
  exports.ArrayRepeatStrategy = _arrayRepeatStrategy.ArrayRepeatStrategy;
  exports.MapRepeatStrategy = _mapRepeatStrategy.MapRepeatStrategy;
  exports.SetRepeatStrategy = _setRepeatStrategy.SetRepeatStrategy;
  exports.NumberRepeatStrategy = _numberRepeatStrategy.NumberRepeatStrategy;
  exports.createFullOverrideContext = _repeatUtilities.createFullOverrideContext;
  exports.updateOverrideContext = _repeatUtilities.updateOverrideContext;
  exports.getItemsSourceExpression = _repeatUtilities.getItemsSourceExpression;
  exports.isOneTime = _repeatUtilities.isOneTime;
  exports.updateOneTimeBinding = _repeatUtilities.updateOneTimeBinding;
  exports.unwrapExpression = _repeatUtilities.unwrapExpression;
  exports.viewsRequireLifecycle = _analyzeViewFactory.viewsRequireLifecycle;
});
define('aurelia-templating-resources', ['aurelia-templating-resources/aurelia-templating-resources'], function (main) { return main; });

define('aurelia-validation/get-target-dom-element',["require", "exports", "aurelia-pal"], function (require, exports, aurelia_pal_1) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    /**
     * Gets the DOM element associated with the data-binding. Most of the time it's
     * the binding.target but sometimes binding.target is an aurelia custom element,
     * or custom attribute which is a javascript "class" instance, so we need to use
     * the controller's container to retrieve the actual DOM element.
     */
    function getTargetDOMElement(binding, view) {
        var target = binding.target;
        // DOM element
        if (target instanceof Element) {
            return target;
        }
        // custom element or custom attribute
        // tslint:disable-next-line:prefer-const
        for (var i = 0, ii = view.controllers.length; i < ii; i++) {
            var controller = view.controllers[i];
            if (controller.viewModel === target) {
                var element = controller.container.get(aurelia_pal_1.DOM.Element);
                if (element) {
                    return element;
                }
                throw new Error("Unable to locate target element for \"" + binding.sourceExpression + "\".");
            }
        }
        throw new Error("Unable to locate target element for \"" + binding.sourceExpression + "\".");
    }
    exports.getTargetDOMElement = getTargetDOMElement;
});

define('aurelia-validation/property-info',["require", "exports", "aurelia-binding"], function (require, exports, aurelia_binding_1) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    function getObject(expression, objectExpression, source) {
        var value = objectExpression.evaluate(source, null);
        if (value === null || value === undefined || value instanceof Object) {
            return value;
        }
        // tslint:disable-next-line:max-line-length
        throw new Error("The '" + objectExpression + "' part of '" + expression + "' evaluates to " + value + " instead of an object, null or undefined.");
    }
    /**
     * Retrieves the object and property name for the specified expression.
     * @param expression The expression
     * @param source The scope
     */
    function getPropertyInfo(expression, source) {
        var originalExpression = expression;
        while (expression instanceof aurelia_binding_1.BindingBehavior || expression instanceof aurelia_binding_1.ValueConverter) {
            expression = expression.expression;
        }
        var object;
        var propertyName;
        if (expression instanceof aurelia_binding_1.AccessScope) {
            object = aurelia_binding_1.getContextFor(expression.name, source, expression.ancestor);
            propertyName = expression.name;
        }
        else if (expression instanceof aurelia_binding_1.AccessMember) {
            object = getObject(originalExpression, expression.object, source);
            propertyName = expression.name;
        }
        else if (expression instanceof aurelia_binding_1.AccessKeyed) {
            object = getObject(originalExpression, expression.object, source);
            propertyName = expression.key.evaluate(source);
        }
        else {
            throw new Error("Expression '" + originalExpression + "' is not compatible with the validate binding-behavior.");
        }
        if (object === null || object === undefined) {
            return null;
        }
        return { object: object, propertyName: propertyName };
    }
    exports.getPropertyInfo = getPropertyInfo;
});

define('aurelia-validation/util',["require", "exports"], function (require, exports) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    function isString(value) {
        return Object.prototype.toString.call(value) === '[object String]';
    }
    exports.isString = isString;
});

define('aurelia-validation/property-accessor-parser',["require", "exports", "aurelia-binding", "./util"], function (require, exports, aurelia_binding_1, util_1) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    var PropertyAccessorParser = (function () {
        function PropertyAccessorParser(parser) {
            this.parser = parser;
        }
        PropertyAccessorParser.prototype.parse = function (property) {
            if (util_1.isString(property)) {
                return property;
            }
            var accessorText = getAccessorExpression(property.toString());
            var accessor = this.parser.parse(accessorText);
            if (accessor instanceof aurelia_binding_1.AccessScope
                || accessor instanceof aurelia_binding_1.AccessMember && accessor.object instanceof aurelia_binding_1.AccessScope) {
                return accessor.name;
            }
            throw new Error("Invalid property expression: \"" + accessor + "\"");
        };
        PropertyAccessorParser.inject = [aurelia_binding_1.Parser];
        return PropertyAccessorParser;
    }());
    exports.PropertyAccessorParser = PropertyAccessorParser;
    function getAccessorExpression(fn) {
        /* tslint:disable:max-line-length */
        var classic = /^function\s*\([$_\w\d]+\)\s*\{(?:\s*"use strict";)?\s*(?:[$_\w\d.['"\]+;]+)?\s*return\s+[$_\w\d]+\.([$_\w\d]+)\s*;?\s*\}$/;
        /* tslint:enable:max-line-length */
        var arrow = /^\(?[$_\w\d]+\)?\s*=>\s*[$_\w\d]+\.([$_\w\d]+)$/;
        var match = classic.exec(fn) || arrow.exec(fn);
        if (match === null) {
            throw new Error("Unable to parse accessor function:\n" + fn);
        }
        return match[1];
    }
    exports.getAccessorExpression = getAccessorExpression;
});

define('aurelia-validation/validate-trigger',["require", "exports"], function (require, exports) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    /**
     * Validation triggers.
     */
    var validateTrigger;
    (function (validateTrigger) {
        /**
         * Manual validation.  Use the controller's `validate()` and  `reset()` methods
         * to validate all bindings.
         */
        validateTrigger[validateTrigger["manual"] = 0] = "manual";
        /**
         * Validate the binding when the binding's target element fires a DOM "blur" event.
         */
        validateTrigger[validateTrigger["blur"] = 1] = "blur";
        /**
         * Validate the binding when it updates the model due to a change in the view.
         */
        validateTrigger[validateTrigger["change"] = 2] = "change";
        /**
         * Validate the binding when the binding's target element fires a DOM "blur" event and
         * when it updates the model due to a change in the view.
         */
        validateTrigger[validateTrigger["changeOrBlur"] = 3] = "changeOrBlur";
    })(validateTrigger = exports.validateTrigger || (exports.validateTrigger = {}));
});

define('aurelia-validation/validator',["require", "exports"], function (require, exports) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    /**
     * Validates objects and properties.
     */
    var Validator = (function () {
        function Validator() {
        }
        return Validator;
    }());
    exports.Validator = Validator;
});

define('aurelia-validation/validate-result',["require", "exports"], function (require, exports) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    /**
     * The result of validating an individual validation rule.
     */
    var ValidateResult = (function () {
        /**
         * @param rule The rule associated with the result. Validator implementation specific.
         * @param object The object that was validated.
         * @param propertyName The name of the property that was validated.
         * @param error The error, if the result is a validation error.
         */
        function ValidateResult(rule, object, propertyName, valid, message) {
            if (message === void 0) { message = null; }
            this.rule = rule;
            this.object = object;
            this.propertyName = propertyName;
            this.valid = valid;
            this.message = message;
            this.id = ValidateResult.nextId++;
        }
        ValidateResult.prototype.toString = function () {
            return this.valid ? 'Valid.' : this.message;
        };
        ValidateResult.nextId = 0;
        return ValidateResult;
    }());
    exports.ValidateResult = ValidateResult;
});

define('aurelia-validation/validate-event',["require", "exports"], function (require, exports) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    var ValidateEvent = (function () {
        function ValidateEvent(
            /**
             * The type of validate event. Either "validate" or "reset".
             */
            type, 
            /**
             * The controller's current array of errors. For an array containing both
             * failed rules and passed rules, use the "results" property.
             */
            errors, 
            /**
             * The controller's current array of validate results. This
             * includes both passed rules and failed rules. For an array of only failed rules,
             * use the "errors" property.
             */
            results, 
            /**
             * The instruction passed to the "validate" or "reset" event. Will be null when
             * the controller's validate/reset method was called with no instruction argument.
             */
            instruction, 
            /**
             * In events with type === "validate", this property will contain the result
             * of validating the instruction (see "instruction" property). Use the controllerValidateResult
             * to access the validate results specific to the call to "validate"
             * (as opposed to using the "results" and "errors" properties to access the controller's entire
             * set of results/errors).
             */
            controllerValidateResult) {
            this.type = type;
            this.errors = errors;
            this.results = results;
            this.instruction = instruction;
            this.controllerValidateResult = controllerValidateResult;
        }
        return ValidateEvent;
    }());
    exports.ValidateEvent = ValidateEvent;
});

define('aurelia-validation/validation-controller',["require", "exports", "./validator", "./validate-trigger", "./property-info", "./validate-result", "./property-accessor-parser", "./validate-event"], function (require, exports, validator_1, validate_trigger_1, property_info_1, validate_result_1, property_accessor_parser_1, validate_event_1) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    /**
     * Orchestrates validation.
     * Manages a set of bindings, renderers and objects.
     * Exposes the current list of validation results for binding purposes.
     */
    var ValidationController = (function () {
        function ValidationController(validator, propertyParser) {
            this.validator = validator;
            this.propertyParser = propertyParser;
            // Registered bindings (via the validate binding behavior)
            this.bindings = new Map();
            // Renderers that have been added to the controller instance.
            this.renderers = [];
            /**
             * Validation results that have been rendered by the controller.
             */
            this.results = [];
            /**
             * Validation errors that have been rendered by the controller.
             */
            this.errors = [];
            /**
             *  Whether the controller is currently validating.
             */
            this.validating = false;
            // Elements related to validation results that have been rendered.
            this.elements = new Map();
            // Objects that have been added to the controller instance (entity-style validation).
            this.objects = new Map();
            /**
             * The trigger that will invoke automatic validation of a property used in a binding.
             */
            this.validateTrigger = validate_trigger_1.validateTrigger.blur;
            // Promise that resolves when validation has completed.
            this.finishValidating = Promise.resolve();
            this.eventCallbacks = [];
        }
        /**
         * Subscribe to controller validate and reset events. These events occur when the
         * controller's "validate"" and "reset" methods are called.
         * @param callback The callback to be invoked when the controller validates or resets.
         */
        ValidationController.prototype.subscribe = function (callback) {
            var _this = this;
            this.eventCallbacks.push(callback);
            return {
                dispose: function () {
                    var index = _this.eventCallbacks.indexOf(callback);
                    if (index === -1) {
                        return;
                    }
                    _this.eventCallbacks.splice(index, 1);
                }
            };
        };
        /**
         * Adds an object to the set of objects that should be validated when validate is called.
         * @param object The object.
         * @param rules Optional. The rules. If rules aren't supplied the Validator implementation will lookup the rules.
         */
        ValidationController.prototype.addObject = function (object, rules) {
            this.objects.set(object, rules);
        };
        /**
         * Removes an object from the set of objects that should be validated when validate is called.
         * @param object The object.
         */
        ValidationController.prototype.removeObject = function (object) {
            this.objects.delete(object);
            this.processResultDelta('reset', this.results.filter(function (result) { return result.object === object; }), []);
        };
        /**
         * Adds and renders an error.
         */
        ValidationController.prototype.addError = function (message, object, propertyName) {
            if (propertyName === void 0) { propertyName = null; }
            var resolvedPropertyName;
            if (propertyName === null) {
                resolvedPropertyName = propertyName;
            }
            else {
                resolvedPropertyName = this.propertyParser.parse(propertyName);
            }
            var result = new validate_result_1.ValidateResult({ __manuallyAdded__: true }, object, resolvedPropertyName, false, message);
            this.processResultDelta('validate', [], [result]);
            return result;
        };
        /**
         * Removes and unrenders an error.
         */
        ValidationController.prototype.removeError = function (result) {
            if (this.results.indexOf(result) !== -1) {
                this.processResultDelta('reset', [result], []);
            }
        };
        /**
         * Adds a renderer.
         * @param renderer The renderer.
         */
        ValidationController.prototype.addRenderer = function (renderer) {
            var _this = this;
            this.renderers.push(renderer);
            renderer.render({
                kind: 'validate',
                render: this.results.map(function (result) { return ({ result: result, elements: _this.elements.get(result) }); }),
                unrender: []
            });
        };
        /**
         * Removes a renderer.
         * @param renderer The renderer.
         */
        ValidationController.prototype.removeRenderer = function (renderer) {
            var _this = this;
            this.renderers.splice(this.renderers.indexOf(renderer), 1);
            renderer.render({
                kind: 'reset',
                render: [],
                unrender: this.results.map(function (result) { return ({ result: result, elements: _this.elements.get(result) }); })
            });
        };
        /**
         * Registers a binding with the controller.
         * @param binding The binding instance.
         * @param target The DOM element.
         * @param rules (optional) rules associated with the binding. Validator implementation specific.
         */
        ValidationController.prototype.registerBinding = function (binding, target, rules) {
            this.bindings.set(binding, { target: target, rules: rules, propertyInfo: null });
        };
        /**
         * Unregisters a binding with the controller.
         * @param binding The binding instance.
         */
        ValidationController.prototype.unregisterBinding = function (binding) {
            this.resetBinding(binding);
            this.bindings.delete(binding);
        };
        /**
         * Interprets the instruction and returns a predicate that will identify
         * relevant results in the list of rendered validation results.
         */
        ValidationController.prototype.getInstructionPredicate = function (instruction) {
            var _this = this;
            if (instruction) {
                var object_1 = instruction.object, propertyName_1 = instruction.propertyName, rules_1 = instruction.rules;
                var predicate_1;
                if (instruction.propertyName) {
                    predicate_1 = function (x) { return x.object === object_1 && x.propertyName === propertyName_1; };
                }
                else {
                    predicate_1 = function (x) { return x.object === object_1; };
                }
                if (rules_1) {
                    return function (x) { return predicate_1(x) && _this.validator.ruleExists(rules_1, x.rule); };
                }
                return predicate_1;
            }
            else {
                return function () { return true; };
            }
        };
        /**
         * Validates and renders results.
         * @param instruction Optional. Instructions on what to validate. If undefined, all
         * objects and bindings will be validated.
         */
        ValidationController.prototype.validate = function (instruction) {
            var _this = this;
            // Get a function that will process the validation instruction.
            var execute;
            if (instruction) {
                // tslint:disable-next-line:prefer-const
                var object_2 = instruction.object, propertyName_2 = instruction.propertyName, rules_2 = instruction.rules;
                // if rules were not specified, check the object map.
                rules_2 = rules_2 || this.objects.get(object_2);
                // property specified?
                if (instruction.propertyName === undefined) {
                    // validate the specified object.
                    execute = function () { return _this.validator.validateObject(object_2, rules_2); };
                }
                else {
                    // validate the specified property.
                    execute = function () { return _this.validator.validateProperty(object_2, propertyName_2, rules_2); };
                }
            }
            else {
                // validate all objects and bindings.
                execute = function () {
                    var promises = [];
                    for (var _i = 0, _a = Array.from(_this.objects); _i < _a.length; _i++) {
                        var _b = _a[_i], object = _b[0], rules = _b[1];
                        promises.push(_this.validator.validateObject(object, rules));
                    }
                    for (var _c = 0, _d = Array.from(_this.bindings); _c < _d.length; _c++) {
                        var _e = _d[_c], binding = _e[0], rules = _e[1].rules;
                        var propertyInfo = property_info_1.getPropertyInfo(binding.sourceExpression, binding.source);
                        if (!propertyInfo || _this.objects.has(propertyInfo.object)) {
                            continue;
                        }
                        promises.push(_this.validator.validateProperty(propertyInfo.object, propertyInfo.propertyName, rules));
                    }
                    return Promise.all(promises).then(function (resultSets) { return resultSets.reduce(function (a, b) { return a.concat(b); }, []); });
                };
            }
            // Wait for any existing validation to finish, execute the instruction, render the results.
            this.validating = true;
            var returnPromise = this.finishValidating
                .then(execute)
                .then(function (newResults) {
                var predicate = _this.getInstructionPredicate(instruction);
                var oldResults = _this.results.filter(predicate);
                _this.processResultDelta('validate', oldResults, newResults);
                if (returnPromise === _this.finishValidating) {
                    _this.validating = false;
                }
                var result = {
                    instruction: instruction,
                    valid: newResults.find(function (x) { return !x.valid; }) === undefined,
                    results: newResults
                };
                _this.invokeCallbacks(instruction, result);
                return result;
            })
                .catch(function (exception) {
                // recover, to enable subsequent calls to validate()
                _this.validating = false;
                _this.finishValidating = Promise.resolve();
                return Promise.reject(exception);
            });
            this.finishValidating = returnPromise;
            return returnPromise;
        };
        /**
         * Resets any rendered validation results (unrenders).
         * @param instruction Optional. Instructions on what to reset. If unspecified all rendered results
         * will be unrendered.
         */
        ValidationController.prototype.reset = function (instruction) {
            var predicate = this.getInstructionPredicate(instruction);
            var oldResults = this.results.filter(predicate);
            this.processResultDelta('reset', oldResults, []);
            this.invokeCallbacks(instruction, null);
        };
        /**
         * Gets the elements associated with an object and propertyName (if any).
         */
        ValidationController.prototype.getAssociatedElements = function (_a) {
            var object = _a.object, propertyName = _a.propertyName;
            var elements = [];
            for (var _i = 0, _b = Array.from(this.bindings); _i < _b.length; _i++) {
                var _c = _b[_i], binding = _c[0], target = _c[1].target;
                var propertyInfo = property_info_1.getPropertyInfo(binding.sourceExpression, binding.source);
                if (propertyInfo && propertyInfo.object === object && propertyInfo.propertyName === propertyName) {
                    elements.push(target);
                }
            }
            return elements;
        };
        ValidationController.prototype.processResultDelta = function (kind, oldResults, newResults) {
            // prepare the instruction.
            var instruction = {
                kind: kind,
                render: [],
                unrender: []
            };
            // create a shallow copy of newResults so we can mutate it without causing side-effects.
            newResults = newResults.slice(0);
            var _loop_1 = function (oldResult) {
                // get the elements associated with the old result.
                var elements = this_1.elements.get(oldResult);
                // remove the old result from the element map.
                this_1.elements.delete(oldResult);
                // create the unrender instruction.
                instruction.unrender.push({ result: oldResult, elements: elements });
                // determine if there's a corresponding new result for the old result we are unrendering.
                var newResultIndex = newResults.findIndex(function (x) { return x.rule === oldResult.rule && x.object === oldResult.object && x.propertyName === oldResult.propertyName; });
                if (newResultIndex === -1) {
                    // no corresponding new result... simple remove.
                    this_1.results.splice(this_1.results.indexOf(oldResult), 1);
                    if (!oldResult.valid) {
                        this_1.errors.splice(this_1.errors.indexOf(oldResult), 1);
                    }
                }
                else {
                    // there is a corresponding new result...
                    var newResult = newResults.splice(newResultIndex, 1)[0];
                    // get the elements that are associated with the new result.
                    var elements_1 = this_1.getAssociatedElements(newResult);
                    this_1.elements.set(newResult, elements_1);
                    // create a render instruction for the new result.
                    instruction.render.push({ result: newResult, elements: elements_1 });
                    // do an in-place replacement of the old result with the new result.
                    // this ensures any repeats bound to this.results will not thrash.
                    this_1.results.splice(this_1.results.indexOf(oldResult), 1, newResult);
                    if (!oldResult.valid && newResult.valid) {
                        this_1.errors.splice(this_1.errors.indexOf(oldResult), 1);
                    }
                    else if (!oldResult.valid && !newResult.valid) {
                        this_1.errors.splice(this_1.errors.indexOf(oldResult), 1, newResult);
                    }
                    else if (!newResult.valid) {
                        this_1.errors.push(newResult);
                    }
                }
            };
            var this_1 = this;
            // create unrender instructions from the old results.
            for (var _i = 0, oldResults_1 = oldResults; _i < oldResults_1.length; _i++) {
                var oldResult = oldResults_1[_i];
                _loop_1(oldResult);
            }
            // create render instructions from the remaining new results.
            for (var _a = 0, newResults_1 = newResults; _a < newResults_1.length; _a++) {
                var result = newResults_1[_a];
                var elements = this.getAssociatedElements(result);
                instruction.render.push({ result: result, elements: elements });
                this.elements.set(result, elements);
                this.results.push(result);
                if (!result.valid) {
                    this.errors.push(result);
                }
            }
            // render.
            for (var _b = 0, _c = this.renderers; _b < _c.length; _b++) {
                var renderer = _c[_b];
                renderer.render(instruction);
            }
        };
        /**
         * Validates the property associated with a binding.
         */
        ValidationController.prototype.validateBinding = function (binding) {
            if (!binding.isBound) {
                return;
            }
            var propertyInfo = property_info_1.getPropertyInfo(binding.sourceExpression, binding.source);
            var rules;
            var registeredBinding = this.bindings.get(binding);
            if (registeredBinding) {
                rules = registeredBinding.rules;
                registeredBinding.propertyInfo = propertyInfo;
            }
            if (!propertyInfo) {
                return;
            }
            var object = propertyInfo.object, propertyName = propertyInfo.propertyName;
            this.validate({ object: object, propertyName: propertyName, rules: rules });
        };
        /**
         * Resets the results for a property associated with a binding.
         */
        ValidationController.prototype.resetBinding = function (binding) {
            var registeredBinding = this.bindings.get(binding);
            var propertyInfo = property_info_1.getPropertyInfo(binding.sourceExpression, binding.source);
            if (!propertyInfo && registeredBinding) {
                propertyInfo = registeredBinding.propertyInfo;
            }
            if (registeredBinding) {
                registeredBinding.propertyInfo = null;
            }
            if (!propertyInfo) {
                return;
            }
            var object = propertyInfo.object, propertyName = propertyInfo.propertyName;
            this.reset({ object: object, propertyName: propertyName });
        };
        /**
         * Changes the controller's validateTrigger.
         * @param newTrigger The new validateTrigger
         */
        ValidationController.prototype.changeTrigger = function (newTrigger) {
            this.validateTrigger = newTrigger;
            var bindings = Array.from(this.bindings.keys());
            for (var _i = 0, bindings_1 = bindings; _i < bindings_1.length; _i++) {
                var binding = bindings_1[_i];
                var source = binding.source;
                binding.unbind();
                binding.bind(source);
            }
        };
        /**
         * Revalidates the controller's current set of errors.
         */
        ValidationController.prototype.revalidateErrors = function () {
            for (var _i = 0, _a = this.errors; _i < _a.length; _i++) {
                var _b = _a[_i], object = _b.object, propertyName = _b.propertyName, rule = _b.rule;
                if (rule.__manuallyAdded__) {
                    continue;
                }
                var rules = [[rule]];
                this.validate({ object: object, propertyName: propertyName, rules: rules });
            }
        };
        ValidationController.prototype.invokeCallbacks = function (instruction, result) {
            if (this.eventCallbacks.length === 0) {
                return;
            }
            var event = new validate_event_1.ValidateEvent(result ? 'validate' : 'reset', this.errors, this.results, instruction || null, result);
            for (var i = 0; i < this.eventCallbacks.length; i++) {
                this.eventCallbacks[i](event);
            }
        };
        ValidationController.inject = [validator_1.Validator, property_accessor_parser_1.PropertyAccessorParser];
        return ValidationController;
    }());
    exports.ValidationController = ValidationController;
});

define('aurelia-validation/validate-binding-behavior-base',["require", "exports", "aurelia-dependency-injection", "./validation-controller", "./validate-trigger", "./get-target-dom-element"], function (require, exports, aurelia_dependency_injection_1, validation_controller_1, validate_trigger_1, get_target_dom_element_1) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    /**
     * Binding behavior. Indicates the bound property should be validated.
     */
    var ValidateBindingBehaviorBase = (function () {
        function ValidateBindingBehaviorBase(taskQueue) {
            this.taskQueue = taskQueue;
        }
        ValidateBindingBehaviorBase.prototype.bind = function (binding, source, rulesOrController, rules) {
            var _this = this;
            // identify the target element.
            var target = get_target_dom_element_1.getTargetDOMElement(binding, source);
            // locate the controller.
            var controller;
            if (rulesOrController instanceof validation_controller_1.ValidationController) {
                controller = rulesOrController;
            }
            else {
                controller = source.container.get(aurelia_dependency_injection_1.Optional.of(validation_controller_1.ValidationController));
                rules = rulesOrController;
            }
            if (controller === null) {
                throw new Error("A ValidationController has not been registered.");
            }
            controller.registerBinding(binding, target, rules);
            binding.validationController = controller;
            var trigger = this.getValidateTrigger(controller);
            // tslint:disable-next-line:no-bitwise
            if (trigger & validate_trigger_1.validateTrigger.change) {
                binding.standardUpdateSource = binding.updateSource;
                // tslint:disable-next-line:only-arrow-functions
                // tslint:disable-next-line:space-before-function-paren
                binding.updateSource = function (value) {
                    this.standardUpdateSource(value);
                    this.validationController.validateBinding(this);
                };
            }
            // tslint:disable-next-line:no-bitwise
            if (trigger & validate_trigger_1.validateTrigger.blur) {
                binding.validateBlurHandler = function () {
                    _this.taskQueue.queueMicroTask(function () { return controller.validateBinding(binding); });
                };
                binding.validateTarget = target;
                _this.taskQueue.queueMicroTask(function () { target.addEventListener('blur', binding.validateBlurHandler); });
            }
            if (trigger !== validate_trigger_1.validateTrigger.manual) {
                binding.standardUpdateTarget = binding.updateTarget;
                // tslint:disable-next-line:only-arrow-functions
                // tslint:disable-next-line:space-before-function-paren
                binding.updateTarget = function (value) {
                    this.standardUpdateTarget(value);
                    this.validationController.resetBinding(this);
                };
            }
        };
        ValidateBindingBehaviorBase.prototype.unbind = function (binding) {
            // reset the binding to it's original state.
            if (binding.standardUpdateSource) {
                binding.updateSource = binding.standardUpdateSource;
                binding.standardUpdateSource = null;
            }
            if (binding.standardUpdateTarget) {
                binding.updateTarget = binding.standardUpdateTarget;
                binding.standardUpdateTarget = null;
            }
            if (binding.validateBlurHandler) {
                binding.validateTarget.removeEventListener('blur', binding.validateBlurHandler);
                binding.validateBlurHandler = null;
                binding.validateTarget = null;
            }
            binding.validationController.unregisterBinding(binding);
            binding.validationController = null;
        };
        return ValidateBindingBehaviorBase;
    }());
    exports.ValidateBindingBehaviorBase = ValidateBindingBehaviorBase;
});

var __extends = (this && this.__extends) || (function () {
    var extendStatics = Object.setPrototypeOf ||
        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
define('aurelia-validation/validate-binding-behavior',["require", "exports", "aurelia-task-queue", "./validate-trigger", "./validate-binding-behavior-base"], function (require, exports, aurelia_task_queue_1, validate_trigger_1, validate_binding_behavior_base_1) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    /**
     * Binding behavior. Indicates the bound property should be validated
     * when the validate trigger specified by the associated controller's
     * validateTrigger property occurs.
     */
    var ValidateBindingBehavior = (function (_super) {
        __extends(ValidateBindingBehavior, _super);
        function ValidateBindingBehavior() {
            return _super !== null && _super.apply(this, arguments) || this;
        }
        ValidateBindingBehavior.prototype.getValidateTrigger = function (controller) {
            return controller.validateTrigger;
        };
        ValidateBindingBehavior.inject = [aurelia_task_queue_1.TaskQueue];
        return ValidateBindingBehavior;
    }(validate_binding_behavior_base_1.ValidateBindingBehaviorBase));
    exports.ValidateBindingBehavior = ValidateBindingBehavior;
    /**
     * Binding behavior. Indicates the bound property will be validated
     * manually, by calling controller.validate(). No automatic validation
     * triggered by data-entry or blur will occur.
     */
    var ValidateManuallyBindingBehavior = (function (_super) {
        __extends(ValidateManuallyBindingBehavior, _super);
        function ValidateManuallyBindingBehavior() {
            return _super !== null && _super.apply(this, arguments) || this;
        }
        ValidateManuallyBindingBehavior.prototype.getValidateTrigger = function () {
            return validate_trigger_1.validateTrigger.manual;
        };
        ValidateManuallyBindingBehavior.inject = [aurelia_task_queue_1.TaskQueue];
        return ValidateManuallyBindingBehavior;
    }(validate_binding_behavior_base_1.ValidateBindingBehaviorBase));
    exports.ValidateManuallyBindingBehavior = ValidateManuallyBindingBehavior;
    /**
     * Binding behavior. Indicates the bound property should be validated
     * when the associated element blurs.
     */
    var ValidateOnBlurBindingBehavior = (function (_super) {
        __extends(ValidateOnBlurBindingBehavior, _super);
        function ValidateOnBlurBindingBehavior() {
            return _super !== null && _super.apply(this, arguments) || this;
        }
        ValidateOnBlurBindingBehavior.prototype.getValidateTrigger = function () {
            return validate_trigger_1.validateTrigger.blur;
        };
        ValidateOnBlurBindingBehavior.inject = [aurelia_task_queue_1.TaskQueue];
        return ValidateOnBlurBindingBehavior;
    }(validate_binding_behavior_base_1.ValidateBindingBehaviorBase));
    exports.ValidateOnBlurBindingBehavior = ValidateOnBlurBindingBehavior;
    /**
     * Binding behavior. Indicates the bound property should be validated
     * when the associated element is changed by the user, causing a change
     * to the model.
     */
    var ValidateOnChangeBindingBehavior = (function (_super) {
        __extends(ValidateOnChangeBindingBehavior, _super);
        function ValidateOnChangeBindingBehavior() {
            return _super !== null && _super.apply(this, arguments) || this;
        }
        ValidateOnChangeBindingBehavior.prototype.getValidateTrigger = function () {
            return validate_trigger_1.validateTrigger.change;
        };
        ValidateOnChangeBindingBehavior.inject = [aurelia_task_queue_1.TaskQueue];
        return ValidateOnChangeBindingBehavior;
    }(validate_binding_behavior_base_1.ValidateBindingBehaviorBase));
    exports.ValidateOnChangeBindingBehavior = ValidateOnChangeBindingBehavior;
    /**
     * Binding behavior. Indicates the bound property should be validated
     * when the associated element blurs or is changed by the user, causing
     * a change to the model.
     */
    var ValidateOnChangeOrBlurBindingBehavior = (function (_super) {
        __extends(ValidateOnChangeOrBlurBindingBehavior, _super);
        function ValidateOnChangeOrBlurBindingBehavior() {
            return _super !== null && _super.apply(this, arguments) || this;
        }
        ValidateOnChangeOrBlurBindingBehavior.prototype.getValidateTrigger = function () {
            return validate_trigger_1.validateTrigger.changeOrBlur;
        };
        ValidateOnChangeOrBlurBindingBehavior.inject = [aurelia_task_queue_1.TaskQueue];
        return ValidateOnChangeOrBlurBindingBehavior;
    }(validate_binding_behavior_base_1.ValidateBindingBehaviorBase));
    exports.ValidateOnChangeOrBlurBindingBehavior = ValidateOnChangeOrBlurBindingBehavior;
});

define('aurelia-validation/validation-controller-factory',["require", "exports", "./validation-controller", "./validator", "./property-accessor-parser"], function (require, exports, validation_controller_1, validator_1, property_accessor_parser_1) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    /**
     * Creates ValidationController instances.
     */
    var ValidationControllerFactory = (function () {
        function ValidationControllerFactory(container) {
            this.container = container;
        }
        ValidationControllerFactory.get = function (container) {
            return new ValidationControllerFactory(container);
        };
        /**
         * Creates a new controller instance.
         */
        ValidationControllerFactory.prototype.create = function (validator) {
            if (!validator) {
                validator = this.container.get(validator_1.Validator);
            }
            var propertyParser = this.container.get(property_accessor_parser_1.PropertyAccessorParser);
            return new validation_controller_1.ValidationController(validator, propertyParser);
        };
        /**
         * Creates a new controller and registers it in the current element's container so that it's
         * available to the validate binding behavior and renderers.
         */
        ValidationControllerFactory.prototype.createForCurrentScope = function (validator) {
            var controller = this.create(validator);
            this.container.registerInstance(validation_controller_1.ValidationController, controller);
            return controller;
        };
        return ValidationControllerFactory;
    }());
    exports.ValidationControllerFactory = ValidationControllerFactory;
    ValidationControllerFactory['protocol:aurelia:resolver'] = true;
});

var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
define('aurelia-validation/validation-errors-custom-attribute',["require", "exports", "aurelia-binding", "aurelia-dependency-injection", "aurelia-templating", "./validation-controller", "aurelia-pal"], function (require, exports, aurelia_binding_1, aurelia_dependency_injection_1, aurelia_templating_1, validation_controller_1, aurelia_pal_1) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    var ValidationErrorsCustomAttribute = (function () {
        function ValidationErrorsCustomAttribute(boundaryElement, controllerAccessor) {
            this.boundaryElement = boundaryElement;
            this.controllerAccessor = controllerAccessor;
            this.controller = null;
            this.errors = [];
            this.errorsInternal = [];
        }
        ValidationErrorsCustomAttribute.prototype.sort = function () {
            this.errorsInternal.sort(function (a, b) {
                if (a.targets[0] === b.targets[0]) {
                    return 0;
                }
                // tslint:disable-next-line:no-bitwise
                return a.targets[0].compareDocumentPosition(b.targets[0]) & 2 ? 1 : -1;
            });
        };
        ValidationErrorsCustomAttribute.prototype.interestingElements = function (elements) {
            var _this = this;
            return elements.filter(function (e) { return _this.boundaryElement.contains(e); });
        };
        ValidationErrorsCustomAttribute.prototype.render = function (instruction) {
            var _loop_1 = function (result) {
                var index = this_1.errorsInternal.findIndex(function (x) { return x.error === result; });
                if (index !== -1) {
                    this_1.errorsInternal.splice(index, 1);
                }
            };
            var this_1 = this;
            for (var _i = 0, _a = instruction.unrender; _i < _a.length; _i++) {
                var result = _a[_i].result;
                _loop_1(result);
            }
            for (var _b = 0, _c = instruction.render; _b < _c.length; _b++) {
                var _d = _c[_b], result = _d.result, elements = _d.elements;
                if (result.valid) {
                    continue;
                }
                var targets = this.interestingElements(elements);
                if (targets.length) {
                    this.errorsInternal.push({ error: result, targets: targets });
                }
            }
            this.sort();
            this.errors = this.errorsInternal;
        };
        ValidationErrorsCustomAttribute.prototype.bind = function () {
            if (!this.controller) {
                this.controller = this.controllerAccessor();
            }
            // this will call render() with the side-effect of updating this.errors
            this.controller.addRenderer(this);
        };
        ValidationErrorsCustomAttribute.prototype.unbind = function () {
            if (this.controller) {
                this.controller.removeRenderer(this);
            }
        };
        ValidationErrorsCustomAttribute.inject = [aurelia_pal_1.DOM.Element, aurelia_dependency_injection_1.Lazy.of(validation_controller_1.ValidationController)];
        __decorate([
            aurelia_templating_1.bindable({ defaultBindingMode: aurelia_binding_1.bindingMode.oneWay })
        ], ValidationErrorsCustomAttribute.prototype, "controller", void 0);
        __decorate([
            aurelia_templating_1.bindable({ primaryProperty: true, defaultBindingMode: aurelia_binding_1.bindingMode.twoWay })
        ], ValidationErrorsCustomAttribute.prototype, "errors", void 0);
        ValidationErrorsCustomAttribute = __decorate([
            aurelia_templating_1.customAttribute('validation-errors')
        ], ValidationErrorsCustomAttribute);
        return ValidationErrorsCustomAttribute;
    }());
    exports.ValidationErrorsCustomAttribute = ValidationErrorsCustomAttribute;
});

define('aurelia-validation/validation-renderer-custom-attribute',["require", "exports", "./validation-controller"], function (require, exports, validation_controller_1) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    var ValidationRendererCustomAttribute = (function () {
        function ValidationRendererCustomAttribute() {
        }
        ValidationRendererCustomAttribute.prototype.created = function (view) {
            this.container = view.container;
        };
        ValidationRendererCustomAttribute.prototype.bind = function () {
            this.controller = this.container.get(validation_controller_1.ValidationController);
            this.renderer = this.container.get(this.value);
            this.controller.addRenderer(this.renderer);
        };
        ValidationRendererCustomAttribute.prototype.unbind = function () {
            this.controller.removeRenderer(this.renderer);
            this.controller = null;
            this.renderer = null;
        };
        return ValidationRendererCustomAttribute;
    }());
    exports.ValidationRendererCustomAttribute = ValidationRendererCustomAttribute;
});

define('aurelia-validation/implementation/rules',["require", "exports"], function (require, exports) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    /**
     * Sets, unsets and retrieves rules on an object or constructor function.
     */
    var Rules = (function () {
        function Rules() {
        }
        /**
         * Applies the rules to a target.
         */
        Rules.set = function (target, rules) {
            if (target instanceof Function) {
                target = target.prototype;
            }
            Object.defineProperty(target, Rules.key, { enumerable: false, configurable: false, writable: true, value: rules });
        };
        /**
         * Removes rules from a target.
         */
        Rules.unset = function (target) {
            if (target instanceof Function) {
                target = target.prototype;
            }
            target[Rules.key] = null;
        };
        /**
         * Retrieves the target's rules.
         */
        Rules.get = function (target) {
            return target[Rules.key] || null;
        };
        /**
         * The name of the property that stores the rules.
         */
        Rules.key = '__rules__';
        return Rules;
    }());
    exports.Rules = Rules;
});

define('aurelia-validation/implementation/expression-visitor',["require", "exports"], function (require, exports) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    // tslint:disable:no-empty
    var ExpressionVisitor = (function () {
        function ExpressionVisitor() {
        }
        ExpressionVisitor.prototype.visitChain = function (chain) {
            this.visitArgs(chain.expressions);
        };
        ExpressionVisitor.prototype.visitBindingBehavior = function (behavior) {
            behavior.expression.accept(this);
            this.visitArgs(behavior.args);
        };
        ExpressionVisitor.prototype.visitValueConverter = function (converter) {
            converter.expression.accept(this);
            this.visitArgs(converter.args);
        };
        ExpressionVisitor.prototype.visitAssign = function (assign) {
            assign.target.accept(this);
            assign.value.accept(this);
        };
        ExpressionVisitor.prototype.visitConditional = function (conditional) {
            conditional.condition.accept(this);
            conditional.yes.accept(this);
            conditional.no.accept(this);
        };
        ExpressionVisitor.prototype.visitAccessThis = function (access) {
            access.ancestor = access.ancestor;
        };
        ExpressionVisitor.prototype.visitAccessScope = function (access) {
            access.name = access.name;
        };
        ExpressionVisitor.prototype.visitAccessMember = function (access) {
            access.object.accept(this);
        };
        ExpressionVisitor.prototype.visitAccessKeyed = function (access) {
            access.object.accept(this);
            access.key.accept(this);
        };
        ExpressionVisitor.prototype.visitCallScope = function (call) {
            this.visitArgs(call.args);
        };
        ExpressionVisitor.prototype.visitCallFunction = function (call) {
            call.func.accept(this);
            this.visitArgs(call.args);
        };
        ExpressionVisitor.prototype.visitCallMember = function (call) {
            call.object.accept(this);
            this.visitArgs(call.args);
        };
        ExpressionVisitor.prototype.visitPrefix = function (prefix) {
            prefix.expression.accept(this);
        };
        ExpressionVisitor.prototype.visitBinary = function (binary) {
            binary.left.accept(this);
            binary.right.accept(this);
        };
        ExpressionVisitor.prototype.visitLiteralPrimitive = function (literal) {
            literal.value = literal.value;
        };
        ExpressionVisitor.prototype.visitLiteralArray = function (literal) {
            this.visitArgs(literal.elements);
        };
        ExpressionVisitor.prototype.visitLiteralObject = function (literal) {
            this.visitArgs(literal.values);
        };
        ExpressionVisitor.prototype.visitLiteralString = function (literal) {
            literal.value = literal.value;
        };
        ExpressionVisitor.prototype.visitArgs = function (args) {
            for (var i = 0; i < args.length; i++) {
                args[i].accept(this);
            }
        };
        return ExpressionVisitor;
    }());
    exports.ExpressionVisitor = ExpressionVisitor;
});

var __extends = (this && this.__extends) || (function () {
    var extendStatics = Object.setPrototypeOf ||
        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
define('aurelia-validation/implementation/validation-message-parser',["require", "exports", "aurelia-binding", "aurelia-templating", "aurelia-logging", "./expression-visitor"], function (require, exports, aurelia_binding_1, aurelia_templating_1, LogManager, expression_visitor_1) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    var ValidationMessageParser = (function () {
        function ValidationMessageParser(bindinqLanguage) {
            this.bindinqLanguage = bindinqLanguage;
            this.emptyStringExpression = new aurelia_binding_1.LiteralString('');
            this.nullExpression = new aurelia_binding_1.LiteralPrimitive(null);
            this.undefinedExpression = new aurelia_binding_1.LiteralPrimitive(undefined);
            this.cache = {};
        }
        ValidationMessageParser.prototype.parse = function (message) {
            if (this.cache[message] !== undefined) {
                return this.cache[message];
            }
            var parts = this.bindinqLanguage.parseInterpolation(null, message);
            if (parts === null) {
                return new aurelia_binding_1.LiteralString(message);
            }
            var expression = new aurelia_binding_1.LiteralString(parts[0]);
            for (var i = 1; i < parts.length; i += 2) {
                expression = new aurelia_binding_1.Binary('+', expression, new aurelia_binding_1.Binary('+', this.coalesce(parts[i]), new aurelia_binding_1.LiteralString(parts[i + 1])));
            }
            MessageExpressionValidator.validate(expression, message);
            this.cache[message] = expression;
            return expression;
        };
        ValidationMessageParser.prototype.coalesce = function (part) {
            // part === null || part === undefined ? '' : part
            return new aurelia_binding_1.Conditional(new aurelia_binding_1.Binary('||', new aurelia_binding_1.Binary('===', part, this.nullExpression), new aurelia_binding_1.Binary('===', part, this.undefinedExpression)), this.emptyStringExpression, new aurelia_binding_1.CallMember(part, 'toString', []));
        };
        ValidationMessageParser.inject = [aurelia_templating_1.BindingLanguage];
        return ValidationMessageParser;
    }());
    exports.ValidationMessageParser = ValidationMessageParser;
    var MessageExpressionValidator = (function (_super) {
        __extends(MessageExpressionValidator, _super);
        function MessageExpressionValidator(originalMessage) {
            var _this = _super.call(this) || this;
            _this.originalMessage = originalMessage;
            return _this;
        }
        MessageExpressionValidator.validate = function (expression, originalMessage) {
            var visitor = new MessageExpressionValidator(originalMessage);
            expression.accept(visitor);
        };
        MessageExpressionValidator.prototype.visitAccessScope = function (access) {
            if (access.ancestor !== 0) {
                throw new Error('$parent is not permitted in validation message expressions.');
            }
            if (['displayName', 'propertyName', 'value', 'object', 'config', 'getDisplayName'].indexOf(access.name) !== -1) {
                LogManager.getLogger('aurelia-validation')
                    .warn("Did you mean to use \"$" + access.name + "\" instead of \"" + access.name + "\" in this validation message template: \"" + this.originalMessage + "\"?");
            }
        };
        return MessageExpressionValidator;
    }(expression_visitor_1.ExpressionVisitor));
    exports.MessageExpressionValidator = MessageExpressionValidator;
});

define('aurelia-validation/implementation/validation-messages',["require", "exports", "./validation-message-parser"], function (require, exports, validation_message_parser_1) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    /**
     * Dictionary of validation messages. [messageKey]: messageExpression
     */
    exports.validationMessages = {
        /**
         * The default validation message. Used with rules that have no standard message.
         */
        default: "${$displayName} is invalid.",
        required: "${$displayName} is required.",
        matches: "${$displayName} is not correctly formatted.",
        email: "${$displayName} is not a valid email.",
        minLength: "${$displayName} must be at least ${$config.length} character${$config.length === 1 ? '' : 's'}.",
        maxLength: "${$displayName} cannot be longer than ${$config.length} character${$config.length === 1 ? '' : 's'}.",
        minItems: "${$displayName} must contain at least ${$config.count} item${$config.count === 1 ? '' : 's'}.",
        maxItems: "${$displayName} cannot contain more than ${$config.count} item${$config.count === 1 ? '' : 's'}.",
        equals: "${$displayName} must be ${$config.expectedValue}.",
    };
    /**
     * Retrieves validation messages and property display names.
     */
    var ValidationMessageProvider = (function () {
        function ValidationMessageProvider(parser) {
            this.parser = parser;
        }
        /**
         * Returns a message binding expression that corresponds to the key.
         * @param key The message key.
         */
        ValidationMessageProvider.prototype.getMessage = function (key) {
            var message;
            if (key in exports.validationMessages) {
                message = exports.validationMessages[key];
            }
            else {
                message = exports.validationMessages['default'];
            }
            return this.parser.parse(message);
        };
        /**
         * Formulates a property display name using the property name and the configured
         * displayName (if provided).
         * Override this with your own custom logic.
         * @param propertyName The property name.
         */
        ValidationMessageProvider.prototype.getDisplayName = function (propertyName, displayName) {
            if (displayName !== null && displayName !== undefined) {
                return (displayName instanceof Function) ? displayName() : displayName;
            }
            // split on upper-case letters.
            var words = propertyName.split(/(?=[A-Z])/).join(' ');
            // capitalize first letter.
            return words.charAt(0).toUpperCase() + words.slice(1);
        };
        ValidationMessageProvider.inject = [validation_message_parser_1.ValidationMessageParser];
        return ValidationMessageProvider;
    }());
    exports.ValidationMessageProvider = ValidationMessageProvider;
});

var __extends = (this && this.__extends) || (function () {
    var extendStatics = Object.setPrototypeOf ||
        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
define('aurelia-validation/implementation/standard-validator',["require", "exports", "aurelia-templating", "../validator", "../validate-result", "./rules", "./validation-messages"], function (require, exports, aurelia_templating_1, validator_1, validate_result_1, rules_1, validation_messages_1) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    /**
     * Validates.
     * Responsible for validating objects and properties.
     */
    var StandardValidator = (function (_super) {
        __extends(StandardValidator, _super);
        function StandardValidator(messageProvider, resources) {
            var _this = _super.call(this) || this;
            _this.messageProvider = messageProvider;
            _this.lookupFunctions = resources.lookupFunctions;
            _this.getDisplayName = messageProvider.getDisplayName.bind(messageProvider);
            return _this;
        }
        /**
         * Validates the specified property.
         * @param object The object to validate.
         * @param propertyName The name of the property to validate.
         * @param rules Optional. If unspecified, the rules will be looked up using the metadata
         * for the object created by ValidationRules....on(class/object)
         */
        StandardValidator.prototype.validateProperty = function (object, propertyName, rules) {
            return this.validate(object, propertyName, rules || null);
        };
        /**
         * Validates all rules for specified object and it's properties.
         * @param object The object to validate.
         * @param rules Optional. If unspecified, the rules will be looked up using the metadata
         * for the object created by ValidationRules....on(class/object)
         */
        StandardValidator.prototype.validateObject = function (object, rules) {
            return this.validate(object, null, rules || null);
        };
        /**
         * Determines whether a rule exists in a set of rules.
         * @param rules The rules to search.
         * @parem rule The rule to find.
         */
        StandardValidator.prototype.ruleExists = function (rules, rule) {
            var i = rules.length;
            while (i--) {
                if (rules[i].indexOf(rule) !== -1) {
                    return true;
                }
            }
            return false;
        };
        StandardValidator.prototype.getMessage = function (rule, object, value) {
            var expression = rule.message || this.messageProvider.getMessage(rule.messageKey);
            // tslint:disable-next-line:prefer-const
            var _a = rule.property, propertyName = _a.name, displayName = _a.displayName;
            if (propertyName !== null) {
                displayName = this.messageProvider.getDisplayName(propertyName, displayName);
            }
            var overrideContext = {
                $displayName: displayName,
                $propertyName: propertyName,
                $value: value,
                $object: object,
                $config: rule.config,
                // returns the name of a given property, given just the property name (irrespective of the property's displayName)
                // split on capital letters, first letter ensured to be capitalized
                $getDisplayName: this.getDisplayName
            };
            return expression.evaluate({ bindingContext: object, overrideContext: overrideContext }, this.lookupFunctions);
        };
        StandardValidator.prototype.validateRuleSequence = function (object, propertyName, ruleSequence, sequence, results) {
            var _this = this;
            // are we validating all properties or a single property?
            var validateAllProperties = propertyName === null || propertyName === undefined;
            var rules = ruleSequence[sequence];
            var allValid = true;
            // validate each rule.
            var promises = [];
            var _loop_1 = function (i) {
                var rule = rules[i];
                // is the rule related to the property we're validating.
                if (!validateAllProperties && rule.property.name !== propertyName) {
                    return "continue";
                }
                // is this a conditional rule? is the condition met?
                if (rule.when && !rule.when(object)) {
                    return "continue";
                }
                // validate.
                var value = rule.property.name === null ? object : object[rule.property.name];
                var promiseOrBoolean = rule.condition(value, object);
                if (!(promiseOrBoolean instanceof Promise)) {
                    promiseOrBoolean = Promise.resolve(promiseOrBoolean);
                }
                promises.push(promiseOrBoolean.then(function (valid) {
                    var message = valid ? null : _this.getMessage(rule, object, value);
                    results.push(new validate_result_1.ValidateResult(rule, object, rule.property.name, valid, message));
                    allValid = allValid && valid;
                    return valid;
                }));
            };
            for (var i = 0; i < rules.length; i++) {
                _loop_1(i);
            }
            return Promise.all(promises)
                .then(function () {
                sequence++;
                if (allValid && sequence < ruleSequence.length) {
                    return _this.validateRuleSequence(object, propertyName, ruleSequence, sequence, results);
                }
                return results;
            });
        };
        StandardValidator.prototype.validate = function (object, propertyName, rules) {
            // rules specified?
            if (!rules) {
                // no. attempt to locate the rules.
                rules = rules_1.Rules.get(object);
            }
            // any rules?
            if (!rules) {
                return Promise.resolve([]);
            }
            return this.validateRuleSequence(object, propertyName, rules, 0, []);
        };
        StandardValidator.inject = [validation_messages_1.ValidationMessageProvider, aurelia_templating_1.ViewResources];
        return StandardValidator;
    }(validator_1.Validator));
    exports.StandardValidator = StandardValidator;
});

define('aurelia-validation/implementation/validation-rules',["require", "exports", "./rules", "./validation-messages", "../util"], function (require, exports, rules_1, validation_messages_1, util_1) {
    "use strict";
    Object.defineProperty(exports, "__esModule", { value: true });
    /**
     * Part of the fluent rule API. Enables customizing property rules.
     */
    var FluentRuleCustomizer = (function () {
        function FluentRuleCustomizer(property, condition, config, fluentEnsure, fluentRules, parsers) {
            if (config === void 0) { config = {}; }
            this.fluentEnsure = fluentEnsure;
            this.fluentRules = fluentRules;
            this.parsers = parsers;
            this.rule = {
                property: property,
                condition: condition,
                config: config,
                when: null,
                messageKey: 'default',
                message: null,
                sequence: fluentRules.sequence
            };
            this.fluentEnsure._addRule(this.rule);
        }
        /**
         * Validate subsequent rules after previously declared rules have
         * been validated successfully. Use to postpone validation of costly
         * rules until less expensive rules pass validation.
         */
        FluentRuleCustomizer.prototype.then = function () {
            this.fluentRules.sequence++;
            return this;
        };
        /**
         * Specifies the key to use when looking up the rule's validation message.
         */
        FluentRuleCustomizer.prototype.withMessageKey = function (key) {
            this.rule.messageKey = key;
            this.rule.message = null;
            return this;
        };
        /**
         * Specifies rule's validation message.
         */
        FluentRuleCustomizer.prototype.withMessage = function (message) {
            this.rule.messageKey = 'custom';
            this.rule.message = this.parsers.message.parse(message);
            return this;
        };
        /**
         * Specifies a condition that must be met before attempting to validate the rule.
         * @param condition A function that accepts the object as a parameter and returns true
         * or false whether the rule should be evaluated.
         */
        FluentRuleCustomizer.prototype.when = function (condition) {
            this.rule.when = condition;
            return this;
        };
        /**
         * Tags the rule instance, enabling the rule to be found easily
         * using ValidationRules.taggedRules(rules, tag)
         */
        FluentRuleCustomizer.prototype.tag = function (tag) {
            this.rule.tag = tag;
            return this;
        };
        ///// FluentEnsure APIs /////
        /**
         * Target a property with validation rules.
         * @param property The property to target. Can be the property name or a property accessor function.
         */
        FluentRuleCustomizer.prototype.ensure = function (subject) {
            return this.fluentEnsure.ensure(subject);
        };
        /**
         * Targets an object with validation rules.
         */
        FluentRuleCustomizer.prototype.ensureObject = function () {
            return this.fluentEnsure.ensureObject();
        };
        Object.defineProperty(FluentRuleCustomizer.prototype, "rules", {
            /**
             * Rules that have been defined using the fluent API.
             */
            get: function () {
                return this.fluentEnsure.rules;
            },
            enumerable: true,
            configurable: true
        });
        /**
         * Applies the rules to a class or object, making them discoverable by the StandardValidator.
         * @param target A class or object.
         */
        FluentRuleCustomizer.prototype.on = function (target) {
            return this.fluentEnsure.on(target);
        };
        ///////// FluentRules APIs /////////
        /**
         * Applies an ad-hoc rule function to the ensured property or object.
         * @param condition The function to validate the rule.
         * Will be called with two arguments, the property value and the object.
         * Should return a boolean or a Promise that resolves to a boolean.
         */
        FluentRuleCustomizer.prototype.satisfies = function (condition, config) {
            return this.fluentRules.satisfies(condition, config);
        };
        /**
         * Applies a rule by name.
         * @param name The name of the custom or standard rule.
         * @param args The rule's arguments.
         */
        FluentRuleCustomizer.prototype.satisfiesRule = function (name) {
            var args = [];
            for (var _i = 1; _i < arguments.length; _i++) {
                args[_i - 1] = arguments[_i];
            }
            return (_a = this.fluentRules).satisfiesRule.apply(_a, [name].concat(args));
            var _a;
        };
        /**
         * Applies the "required" rule to the property.
         * The value cannot be null, undefined or whitespace.
         */
        FluentRuleCustomizer.prototype.required = function () {
            return this.fluentRules.required();
        };
        /**
         * Applies the "matches" rule to the property.
         * Value must match the specified regular expression.
         * null, undefined and empty-string values are considered valid.
         */
        FluentRuleCustomizer.prototype.matches = function (regex) {
            return this.fluentRules.matches(regex);
        };
        /**
         * Applies the "email" rule to the property.
         * null, undefined and empty-string values are considered valid.
         */
        FluentRuleCustomizer.prototype.email = function () {
            return this.fluentRules.email();
        };
        /**
         * Applies the "minLength" STRING validation rule to the property.
         * null, undefined and empty-string values are considered valid.
         */
        FluentRuleCustomizer.prototype.minLength = function (length) {
            return this.fluentRules.minLength(length);
        };
        /**
         * Applies the "maxLength" STRING validation rule to the property.
         * null, undefined and empty-string values are considered valid.
         */
        FluentRuleCustomizer.prototype.maxLength = function (length) {
            return this.fluentRules.maxLength(length);
        };
        /**
         * Applies the "minItems" ARRAY validation rule to the property.
         * null and undefined values are considered valid.
         */
        FluentRuleCustomizer.prototype.minItems = function (count) {
            return this.fluentRules.minItems(count);
        };
        /**
         * Applies the "maxItems" ARRAY validation rule to the property.
         * null and undefined values are considered valid.
         */
        FluentRuleCustomizer.prototype.maxItems = function (count) {
            return this.fluentRules.maxItems(count);
        };
        /**
         * Applies the "equals" validation rule to the property.
         * null, undefined and empty-string values are considered valid.
         */
        FluentRuleCustomizer.prototype.equals = function (expectedValue) {
            return this.fluentRules.equals(expectedValue);
        };
        return FluentRuleCustomizer;
    }());
    exports.FluentRuleCustomizer = FluentRuleCustomizer;
    /**
     * Part of the fluent rule API. Enables applying rules to properties and objects.
     */
    var FluentRules = (function () {
        function FluentRules(fluentEnsure, parsers, property) {
            this.fluentEnsure = fluentEnsure;
            this.parsers = parsers;
            this.property = property;
            /**
             * Current rule sequence number. Used to postpone evaluation of rules until rules
             * with lower sequence number have successfully validated. The "then" fluent API method
             * manages this property, there's usually no need to set it directly.
             */
            this.sequence = 0;
        }
        /**
         * Sets the display name of the ensured property.
         */
        FluentRules.prototype.displayName = function (name) {
            this.property.displayName = name;
            return this;
        };
        /**
         * Applies an ad-hoc rule function to the ensured property or object.
         * @param condition The function to validate the rule.
         * Will be called with two arguments, the property value and the object.
         * Should return a boolean or a Promise that resolves to a boolean.
         */
        FluentRules.prototype.satisfies = function (condition, config) {
            return new FluentRuleCustomizer(this.property, condition, config, this.fluentEnsure, this, this.parsers);
        };
        /**
         * Applies a rule by name.
         * @param name The name of the custom or standard rule.
         * @param args The rule's arguments.
         */
        FluentRules.prototype.satisfiesRule = function (name) {
            var _this = this;
            var args = [];
            for (var _i = 1; _i < arguments.length; _i++) {
                args[_i - 1] = arguments[_i];
            }
            var rule = FluentRules.customRules[name];
            if (!rule) {
                // standard rule?
                rule = this[name];
                if (rule instanceof Function) {
                    return rule.call.apply(rule, [this].concat(args));
                }
                throw new Error("Rule with name \"" + name + "\" does not exist.");
            }
            var config = rule.argsToConfig ? rule.argsToConfig.apply(rule, args) : undefined;
            return this.satisfies(function (value, obj) {
                return (_a = rule.condition).call.apply(_a, [_this, value, obj].concat(args));
                var _a;
            }, config)
                .withMessageKey(name);
        };
        /**
         * Applies the "required" rule to the property.
         * The value cannot be null, undefined or whitespace.
         */
        FluentRules.prototype.required = function () {
            return this.satisfies(function (value) {
                return value !== null
                    && value !== undefined
                    && !(util_1.isString(value) && !/\S/.test(value));
            }).withMessageKey('required');
        };
        /**
         * Applies the "matches" rule to the property.
         * Value must match the specified regular expression.
         * null, undefined and empty-string values are considered valid.
         */
        FluentRules.prototype.matches = function (regex) {
            return this.satisfies(function (value) { return value === null || value === undefined || value.length === 0 || regex.test(value); })
                .withMessageKey('matches');
        };
        /**
         * Applies the "email" rule to the property.
         * null, undefined and empty-string values are considered valid.
         */
        FluentRules.prototype.email = function () {
            // regex from https://html.spec.whatwg.org/multipage/forms.html#valid-e-mail-address
            /* tslint:disable:max-line-length */
            return this.matches(/^[a-zA-Z0-9.!#$%&'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/)
                .withMessageKey('email');
        };
        /**
         * Applies the "minLength" STRING validation rule to the property.
         * null, undefined and empty-string values are considered valid.
         */
        FluentRules.prototype.minLength = function (length) {
            return this.satisfies(function (value) { return value === null || value === undefined || value.length === 0 || value.length >= length; }, { length: length })
                .withMessageKey('minLength');
        };
        /**
         * Applies the "maxLength" STRING validation rule to the property.
         * null, undefined and empty-string values are considered valid.
         */
        FluentRules.prototype.maxLength = function (length) {
            return this.satisfies(function (value) { return value === null || value === undefined || value.length === 0 || value.length <= length; }, { length: length })
                .withMessageKey('maxLength');
        };
        /**
         * Applies the "minItems" ARRAY validation rule to the property.
         * null and undefined values are considered valid.
         */
        FluentRules.prototype.minItems = function (count) {
            return this.satisfies(function (value) { return value === null || value === undefined || value.length >= count; }, { count: count })
                .withMessageKey('minItems');
        };
        /**
         * Applies the "maxItems" ARRAY validation rule to the property.
         * null and undefined values are considered valid.
         */
        FluentRules.prototype.maxItems = function (count) {
            return this.satisfies(function (value) { return value === null || value === undefined || value.length <= count; }, { count: count })
                .withMessageKey('maxItems');
        };
        /**
         * Applies the "equals" validation rule to the property.
         * null and undefined values are considered valid.
         */
        FluentRules.prototype.equals = function (expectedValue) {
            return this.satisfies(function (value) { return value === null || value === undefined || value === '' || value === expectedValue; }, { expectedValue: expectedValue })
                .withMessageKey('equals');
        };
        FluentRules.customRules = {};
        return FluentRules;
    }());
    exports.FluentRules = FluentRules;
    /**
     * Part of the fluent rule API. Enables targeting properties and objects with rules.
     */
    var FluentEnsure = (function () {
        function FluentEnsure(parsers) {
            this.parsers = parsers;
            /**
             * Rules that have been defined using the fluent API.
             */
            this.rules = [];
        }
        /**
         * Target a property with validation rules.
         * @param property The property to target. Can be the property name or a property accessor
         * function.
         */
        FluentEnsure.prototype.ensure = function (property) {
            this.assertInitialized();
            var name = this.parsers.property.parse(property);
            var fluentRules = new FluentRules(this, this.parsers, { name: name, displayName: null });
            return this.mergeRules(fluentRules, name);
        };
        /**
         * Targets an object with validation rules.
         */
        FluentEnsure.prototype.ensureObject = function () {
            this.assertInitialized();
            var fluentRules = new FluentRules(this, this.parsers, { name: null, displayName: null });
            return this.mergeRules(fluentRules, null);
        };
        /**
         * Applies the rules to a class or object, making them discoverable by the StandardValidator.
         * @param target A class or object.
         */
        FluentEnsure.prototype.on = function (target) {
            rules_1.Rules.set(target, this.rules);
            return this;
        };
        /**
         * Adds a rule definition to the sequenced ruleset.
         * @internal
         */
        FluentEnsure.prototype._addRule = function (rule) {
            while (this.rules.length < rule.sequence + 1) {
                this.rules.push([]);
            }
            this.rules[rule.sequence].push(rule);
        };
        FluentEnsure.prototype.assertInitialized = function () {
            if (this.parsers) {
                return;
            }
            throw new Error("Did you forget to add \".plugin('aurelia-validation')\" to your main.js?");
        };
        FluentEnsure.prototype.mergeRules = function (fluentRules, propertyName) {
            var existingRules = this.rules.find(function (r) { return r.length > 0 && r[0].property.name === propertyName; });
            if (existingRules) {
                var rule = existingRules[existingRules.length - 1];
                fluentRules.sequence = rule.sequence;
                if (rule.property.displayName !== null) {
                    fluentRules = fluentRules.displayName(rule.property.displayName);
                }
            }
            return fluentRules;
        };
        return FluentEnsure;
    }());
    exports.FluentEnsure = FluentEnsure;
    /**
     * Fluent rule definition API.
     */
    var ValidationRules = (function () {
        function ValidationRules() {
        }
        ValidationRules.initialize = function (messageParser, propertyParser) {
            this.parsers = {
                message: messageParser,
                property: propertyParser
            };
        };
        /**
         * Target a property with validation rules.
         * @param property The property to target. Can be the property name or a property accessor function.
         */
        ValidationRules.ensure = function (property) {
            return new FluentEnsure(ValidationRules.parsers).ensure(property);
        };
        /**
         * Targets an object with validation rules.
         */
        ValidationRules.ensureObject = function () {
            return new FluentEnsure(ValidationRules.parsers).ensureObject();
        };
        /**
         * Defines a custom rule.
         * @param name The name of the custom rule. Also serves as the message key.
         * @param condition The rule function.
         * @param message The message expression
         * @param argsToConfig A function that maps the rule's arguments to a "config"
         * object that can be used when evaluating the message expression.
         */
        ValidationRules.customRule = function (name, condition, message, argsToConfig) {
            validation_messages_1.validationMessages[name] = message;
            FluentRules.customRules[name] = { condition: condition, argsToConfig: argsToConfig };
        };
        /**
         * Returns rules with the matching tag.
         * @param rules The rules to search.
         * @param tag The tag to search for.
         */
        ValidationRules.taggedRules = function (rules, tag) {
            return rules.map(function (x) { return x.filter(function (r) { return r.tag === tag; }); });
        };
        /**
         * Returns rules that have no tag.
         * @param rules The rules to search.
         */
        ValidationRules.untaggedRules = function (rules) {
            return rules.map(function (x) { return x.filter(function (r) { return r.tag === undefined; }); });
        };
        /**
         * Removes the rules from a class or object.
         * @param target A class or object.
         */
        ValidationRules.off = function (target) {
            rules_1.Rules.unset(target);
        };
        return ValidationRules;
    }());
    exports.ValidationRules = ValidationRules;
});

// Exports
define('aurelia-validation/aurelia-validation',["require", "exports", "./get-target-dom-element", "./property-info", "./property-accessor-parser", "./validate-binding-behavior", "./validate-event", "./validate-result", "./validate-trigger", "./validation-controller", "./validation-controller-factory", "./validation-errors-custom-attribute", "./validation-renderer-custom-attribute", "./validator", "./implementation/rules", "./implementation/standard-validator", "./implementation/validation-messages", "./implementation/validation-message-parser", "./implementation/validation-rules", "aurelia-pal", "./validator", "./implementation/standard-validator", "./implementation/validation-message-parser", "./property-accessor-parser", "./implementation/validation-rules"], function (require, exports, get_target_dom_element_1, property_info_1, property_accessor_parser_1, validate_binding_behavior_1, validate_event_1, validate_result_1, validate_trigger_1, validation_controller_1, validation_controller_factory_1, validation_errors_custom_attribute_1, validation_renderer_custom_attribute_1, validator_1, rules_1, standard_validator_1, validation_messages_1, validation_message_parser_1, validation_rules_1, aurelia_pal_1, validator_2, standard_validator_2, validation_message_parser_2, property_accessor_parser_2, validation_rules_2) {
    "use strict";
    function __export(m) {
        for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];
    }
    Object.defineProperty(exports, "__esModule", { value: true });
    __export(get_target_dom_element_1);
    __export(property_info_1);
    __export(property_accessor_parser_1);
    __export(validate_binding_behavior_1);
    __export(validate_event_1);
    __export(validate_result_1);
    __export(validate_trigger_1);
    __export(validation_controller_1);
    __export(validation_controller_factory_1);
    __export(validation_errors_custom_attribute_1);
    __export(validation_renderer_custom_attribute_1);
    __export(validator_1);
    __export(rules_1);
    __export(standard_validator_1);
    __export(validation_messages_1);
    __export(validation_message_parser_1);
    __export(validation_rules_1);
    /**
     * Aurelia Validation Configuration API
     */
    var AureliaValidationConfiguration = (function () {
        function AureliaValidationConfiguration() {
            this.validatorType = standard_validator_2.StandardValidator;
        }
        /**
         * Use a custom Validator implementation.
         */
        AureliaValidationConfiguration.prototype.customValidator = function (type) {
            this.validatorType = type;
        };
        /**
         * Applies the configuration.
         */
        AureliaValidationConfiguration.prototype.apply = function (container) {
            var validator = container.get(this.validatorType);
            container.registerInstance(validator_2.Validator, validator);
        };
        return AureliaValidationConfiguration;
    }());
    exports.AureliaValidationConfiguration = AureliaValidationConfiguration;
    /**
     * Configures the plugin.
     */
    function configure(frameworkConfig, callback) {
        // the fluent rule definition API needs the parser to translate messages
        // to interpolation expressions.
        var messageParser = frameworkConfig.container.get(validation_message_parser_2.ValidationMessageParser);
        var propertyParser = frameworkConfig.container.get(property_accessor_parser_2.PropertyAccessorParser);
        validation_rules_2.ValidationRules.initialize(messageParser, propertyParser);
        // configure...
        var config = new AureliaValidationConfiguration();
        if (callback instanceof Function) {
            callback(config);
        }
        config.apply(frameworkConfig.container);
        // globalize the behaviors.
        if (frameworkConfig.globalResources) {
            frameworkConfig.globalResources(aurelia_pal_1.PLATFORM.moduleName('./validate-binding-behavior'), aurelia_pal_1.PLATFORM.moduleName('./validation-errors-custom-attribute'), aurelia_pal_1.PLATFORM.moduleName('./validation-renderer-custom-attribute'));
        }
    }
    exports.configure = configure;
});

define('aurelia-validation', ['aurelia-validation/aurelia-validation'], function (main) { return main; });


        define('aurelia-manifest',[
          "aurelia-binding",
          "aurelia-bootstrapper",
          "aurelia-dependency-injection",
          "aurelia-event-aggregator",
          "aurelia-framework",
          "aurelia-history",
          "aurelia-history-browser",
          "aurelia-loader",
          "aurelia-loader-default",
          "aurelia-logging",
          "aurelia-logging-console",
          "aurelia-metadata",
          "aurelia-pal",
          "aurelia-pal-browser",
          "aurelia-path",
          "aurelia-polyfills",
          "aurelia-router",
          "aurelia-route-recognizer",
          "aurelia-task-queue",
          "aurelia-templating",
          "aurelia-templating-binding",

          "aurelia-templating-router",
          "aurelia-templating-resources",

          // "aurelia-breeze",
          // "aurelia-i18n",
          "aurelia-validation"
          // "aurelia-ui-virtualization"
        ], function() {});

bootstrap-form-renderer.js

import {
  ValidationRenderer,
  RenderInstruction,
  ValidateResult
} from 'aurelia-validation';

export class BootstrapFormRenderer {
  render(instruction: RenderInstruction) {
    for (let { result, elements } of instruction.unrender) {
      for (let element of elements) {
        this.remove(element, result);
      }
    }

    for (let { result, elements } of instruction.render) {
      for (let element of elements) {
        this.add(element, result);
      }
    }
  }

  add(element: Element, result: ValidateResult) {
    if (result.valid) {
      return;
    }

    const formGroup = element.closest('.form-group');
    if (!formGroup) {
      return;
    }

    // add the has-error class to the enclosing form-group div
    formGroup.classList.add('has-error');

    // add help-block
    const message = document.createElement('span');
    message.className = 'help-block validation-message';
    message.textContent = result.message;
    message.id = `validation-message-${result.id}`;
    formGroup.appendChild(message);
  }

  remove(element: Element, result: ValidateResult) {
    if (result.valid) {
      return;
    }

    const formGroup = element.closest('.form-group');
    if (!formGroup) {
      return;
    }

    // remove help-block
    const message = formGroup.querySelector(`#validation-message-${result.id}`);
    if (message) {
      formGroup.removeChild(message);

      // remove the has-error class from the enclosing form-group div
      if (formGroup.querySelectorAll('.help-block.validation-message').length === 0) {
        formGroup.classList.remove('has-error');
      }
    }
  }
}

index.html

<!doctype html>
<html>
  <head>
    <title>Aurelia</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
    <link href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-1q8mTJOASx8j1Au+a5WDVnPi2lkFfwwEAa8hDDdjZlpLegxhjVME1fgjWPGmkzs7" crossorigin="anonymous">
    <style>
      registration-form {
        display: block;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
      }
    </style>
  </head>
  <body aurelia-app="main">
    <h1>Loading...</h1>
    
    <script src="https://jdanyow.github.io/rjs-bundle/node_modules/requirejs/require.js"></script>
    <script src="https://jdanyow.github.io/rjs-bundle/config.js"></script>
    <script src="https://jdanyow.github.io/rjs-bundle/bundles/aurelia.js"></script>
    <script src="https://jdanyow.github.io/rjs-bundle/bundles/babel.js"></script>
    <script>
      require(['aurelia-bootstrapper']);
    </script>
  </body>
</html>

main.js

export function configure(aurelia) {
  aurelia.use
    .standardConfiguration()
    .developmentLogging()
    .plugin('aurelia-validation');

  aurelia.start().then(() => aurelia.setRoot());
}

registration-form.html

<template>
  <form submit.delegate="submit()">

    <div class="form-group">
      <label class="control-label" for="first">Input</label>
      <input type="text" class="form-control" id="first" placeholder="Input"
             value.bind="firstName & updateTrigger:'blur' & validate">
    </div>

    <button type="submit" class="btn btn-primary">Submit</button>

    <p style="margin-top: 1em">Enter a value and press submit. Note that the old value is validated before it is updated to the new value.</p>
  </form>
</template>

registration-form.js

import {inject} from 'aurelia-dependency-injection';
import {
  ValidationControllerFactory,
  ValidationController,
  ValidationRules
} from 'aurelia-validation';
import {BootstrapFormRenderer} from './bootstrap-form-renderer';

@inject(ValidationControllerFactory)
export class RegistrationForm {
  firstName = '';
  controller = null;
  
  constructor(controllerFactory) {
    this.controller = controllerFactory.createForCurrentScope();
    this.controller.addRenderer(new BootstrapFormRenderer());
  }
  
  submit() {
    this.controller.validate();
  }
}

ValidationRules
  .ensure(a => a.firstName).satisfies(value => {
    alert('Validating value "' + value + '"');
    return true;
  })
  .on(RegistrationForm);