watermanagement-backend-prod/node_modules/nunjucks/browser/nunjucks-slim.js

/*! Browser bundle of nunjucks 3.2.3 (slim, only works with precompiled templates) */
(function webpackUniversalModuleDefinition(root, factory) {
	if(typeof exports === 'object' && typeof module === 'object')
		module.exports = factory();
	else if(typeof define === 'function' && define.amd)
		define([], factory);
	else if(typeof exports === 'object')
		exports["nunjucks"] = factory();
	else
		root["nunjucks"] = factory();
})(typeof self !== 'undefined' ? self : this, function() {
return /******/ (function(modules) { // webpackBootstrap
/******/ 	// The module cache
/******/ 	var installedModules = {};
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/******/ 	// The require function
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/******/ 		var module = installedModules[moduleId] = {
/******/ 			i: moduleId,
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/******/ 			exports: {}
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/* 0 */
/***/ (function(module, exports) {



/***/ }),
/* 1 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var ArrayProto = Array.prototype;
var ObjProto = Object.prototype;
var escapeMap = {
  '&': '&',
  '"': '"',
  '\'': ''',
  '<': '&lt;',
  '>': '&gt;'
};
var escapeRegex = /[&"'<>]/g;
var exports = module.exports = {};

function hasOwnProp(obj, k) {
  return ObjProto.hasOwnProperty.call(obj, k);
}

exports.hasOwnProp = hasOwnProp;

function lookupEscape(ch) {
  return escapeMap[ch];
}

function _prettifyError(path, withInternals, err) {
  if (!err.Update) {
    // not one of ours, cast it
    err = new exports.TemplateError(err);
  }

  err.Update(path); // Unless they marked the dev flag, show them a trace from here

  if (!withInternals) {
    var old = err;
    err = new Error(old.message);
    err.name = old.name;
  }

  return err;
}

exports._prettifyError = _prettifyError;

function TemplateError(message, lineno, colno) {
  var err;
  var cause;

  if (message instanceof Error) {
    cause = message;
    message = cause.name + ": " + cause.message;
  }

  if (Object.setPrototypeOf) {
    err = new Error(message);
    Object.setPrototypeOf(err, TemplateError.prototype);
  } else {
    err = this;
    Object.defineProperty(err, 'message', {
      enumerable: false,
      writable: true,
      value: message
    });
  }

  Object.defineProperty(err, 'name', {
    value: 'Template render error'
  });

  if (Error.captureStackTrace) {
    Error.captureStackTrace(err, this.constructor);
  }

  var getStack;

  if (cause) {
    var stackDescriptor = Object.getOwnPropertyDescriptor(cause, 'stack');

    getStack = stackDescriptor && (stackDescriptor.get || function () {
      return stackDescriptor.value;
    });

    if (!getStack) {
      getStack = function getStack() {
        return cause.stack;
      };
    }
  } else {
    var stack = new Error(message).stack;

    getStack = function getStack() {
      return stack;
    };
  }

  Object.defineProperty(err, 'stack', {
    get: function get() {
      return getStack.call(err);
    }
  });
  Object.defineProperty(err, 'cause', {
    value: cause
  });
  err.lineno = lineno;
  err.colno = colno;
  err.firstUpdate = true;

  err.Update = function Update(path) {
    var msg = '(' + (path || 'unknown path') + ')'; // only show lineno + colno next to path of template
    // where error occurred

    if (this.firstUpdate) {
      if (this.lineno && this.colno) {
        msg += " [Line " + this.lineno + ", Column " + this.colno + "]";
      } else if (this.lineno) {
        msg += " [Line " + this.lineno + "]";
      }
    }

    msg += '\n ';

    if (this.firstUpdate) {
      msg += ' ';
    }

    this.message = msg + (this.message || '');
    this.firstUpdate = false;
    return this;
  };

  return err;
}

if (Object.setPrototypeOf) {
  Object.setPrototypeOf(TemplateError.prototype, Error.prototype);
} else {
  TemplateError.prototype = Object.create(Error.prototype, {
    constructor: {
      value: TemplateError
    }
  });
}

exports.TemplateError = TemplateError;

function escape(val) {
  return val.replace(escapeRegex, lookupEscape);
}

exports.escape = escape;

function isFunction(obj) {
  return ObjProto.toString.call(obj) === '[object Function]';
}

exports.isFunction = isFunction;

function isArray(obj) {
  return ObjProto.toString.call(obj) === '[object Array]';
}

exports.isArray = isArray;

function isString(obj) {
  return ObjProto.toString.call(obj) === '[object String]';
}

exports.isString = isString;

function isObject(obj) {
  return ObjProto.toString.call(obj) === '[object Object]';
}

exports.isObject = isObject;
/**
 * @param {string|number} attr
 * @returns {(string|number)[]}
 * @private
 */

function _prepareAttributeParts(attr) {
  if (!attr) {
    return [];
  }

  if (typeof attr === 'string') {
    return attr.split('.');
  }

  return [attr];
}
/**
 * @param {string}   attribute      Attribute value. Dots allowed.
 * @returns {function(Object): *}
 */


function getAttrGetter(attribute) {
  var parts = _prepareAttributeParts(attribute);

  return function attrGetter(item) {
    var _item = item;

    for (var i = 0; i < parts.length; i++) {
      var part = parts[i]; // If item is not an object, and we still got parts to handle, it means
      // that something goes wrong. Just roll out to undefined in that case.

      if (hasOwnProp(_item, part)) {
        _item = _item[part];
      } else {
        return undefined;
      }
    }

    return _item;
  };
}

exports.getAttrGetter = getAttrGetter;

function groupBy(obj, val, throwOnUndefined) {
  var result = {};
  var iterator = isFunction(val) ? val : getAttrGetter(val);

  for (var i = 0; i < obj.length; i++) {
    var value = obj[i];
    var key = iterator(value, i);

    if (key === undefined && throwOnUndefined === true) {
      throw new TypeError("groupby: attribute \"" + val + "\" resolved to undefined");
    }

    (result[key] || (result[key] = [])).push(value);
  }

  return result;
}

exports.groupBy = groupBy;

function toArray(obj) {
  return Array.prototype.slice.call(obj);
}

exports.toArray = toArray;

function without(array) {
  var result = [];

  if (!array) {
    return result;
  }

  var length = array.length;
  var contains = toArray(arguments).slice(1);
  var index = -1;

  while (++index < length) {
    if (indexOf(contains, array[index]) === -1) {
      result.push(array[index]);
    }
  }

  return result;
}

exports.without = without;

function repeat(char_, n) {
  var str = '';

  for (var i = 0; i < n; i++) {
    str += char_;
  }

  return str;
}

exports.repeat = repeat;

function each(obj, func, context) {
  if (obj == null) {
    return;
  }

  if (ArrayProto.forEach && obj.forEach === ArrayProto.forEach) {
    obj.forEach(func, context);
  } else if (obj.length === +obj.length) {
    for (var i = 0, l = obj.length; i < l; i++) {
      func.call(context, obj[i], i, obj);
    }
  }
}

exports.each = each;

function map(obj, func) {
  var results = [];

  if (obj == null) {
    return results;
  }

  if (ArrayProto.map && obj.map === ArrayProto.map) {
    return obj.map(func);
  }

  for (var i = 0; i < obj.length; i++) {
    results[results.length] = func(obj[i], i);
  }

  if (obj.length === +obj.length) {
    results.length = obj.length;
  }

  return results;
}

exports.map = map;

function asyncIter(arr, iter, cb) {
  var i = -1;

  function next() {
    i++;

    if (i < arr.length) {
      iter(arr[i], i, next, cb);
    } else {
      cb();
    }
  }

  next();
}

exports.asyncIter = asyncIter;

function asyncFor(obj, iter, cb) {
  var keys = keys_(obj || {});
  var len = keys.length;
  var i = -1;

  function next() {
    i++;
    var k = keys[i];

    if (i < len) {
      iter(k, obj[k], i, len, next);
    } else {
      cb();
    }
  }

  next();
}

exports.asyncFor = asyncFor;

function indexOf(arr, searchElement, fromIndex) {
  return Array.prototype.indexOf.call(arr || [], searchElement, fromIndex);
}

exports.indexOf = indexOf;

function keys_(obj) {
  /* eslint-disable no-restricted-syntax */
  var arr = [];

  for (var k in obj) {
    if (hasOwnProp(obj, k)) {
      arr.push(k);
    }
  }

  return arr;
}

exports.keys = keys_;

function _entries(obj) {
  return keys_(obj).map(function (k) {
    return [k, obj[k]];
  });
}

exports._entries = _entries;

function _values(obj) {
  return keys_(obj).map(function (k) {
    return obj[k];
  });
}

exports._values = _values;

function extend(obj1, obj2) {
  obj1 = obj1 || {};
  keys_(obj2).forEach(function (k) {
    obj1[k] = obj2[k];
  });
  return obj1;
}

exports._assign = exports.extend = extend;

function inOperator(key, val) {
  if (isArray(val) || isString(val)) {
    return val.indexOf(key) !== -1;
  } else if (isObject(val)) {
    return key in val;
  }

  throw new Error('Cannot use "in" operator to search for "' + key + '" in unexpected types.');
}

exports.inOperator = inOperator;

/***/ }),
/* 2 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var lib = __webpack_require__(1);

var arrayFrom = Array.from;
var supportsIterators = typeof Symbol === 'function' && Symbol.iterator && typeof arrayFrom === 'function'; // Frames keep track of scoping both at compile-time and run-time so
// we know how to access variables. Block tags can introduce special
// variables, for example.

var Frame = /*#__PURE__*/function () {
  function Frame(parent, isolateWrites) {
    this.variables = Object.create(null);
    this.parent = parent;
    this.topLevel = false; // if this is true, writes (set) should never propagate upwards past
    // this frame to its parent (though reads may).

    this.isolateWrites = isolateWrites;
  }

  var _proto = Frame.prototype;

  _proto.set = function set(name, val, resolveUp) {
    // Allow variables with dots by automatically creating the
    // nested structure
    var parts = name.split('.');
    var obj = this.variables;
    var frame = this;

    if (resolveUp) {
      if (frame = this.resolve(parts[0], true)) {
        frame.set(name, val);
        return;
      }
    }

    for (var i = 0; i < parts.length - 1; i++) {
      var id = parts[i];

      if (!obj[id]) {
        obj[id] = {};
      }

      obj = obj[id];
    }

    obj[parts[parts.length - 1]] = val;
  };

  _proto.get = function get(name) {
    var val = this.variables[name];

    if (val !== undefined) {
      return val;
    }

    return null;
  };

  _proto.lookup = function lookup(name) {
    var p = this.parent;
    var val = this.variables[name];

    if (val !== undefined) {
      return val;
    }

    return p && p.lookup(name);
  };

  _proto.resolve = function resolve(name, forWrite) {
    var p = forWrite && this.isolateWrites ? undefined : this.parent;
    var val = this.variables[name];

    if (val !== undefined) {
      return this;
    }

    return p && p.resolve(name);
  };

  _proto.push = function push(isolateWrites) {
    return new Frame(this, isolateWrites);
  };

  _proto.pop = function pop() {
    return this.parent;
  };

  return Frame;
}();

function makeMacro(argNames, kwargNames, func) {
  return function macro() {
    for (var _len = arguments.length, macroArgs = new Array(_len), _key = 0; _key < _len; _key++) {
      macroArgs[_key] = arguments[_key];
    }

    var argCount = numArgs(macroArgs);
    var args;
    var kwargs = getKeywordArgs(macroArgs);

    if (argCount > argNames.length) {
      args = macroArgs.slice(0, argNames.length); // Positional arguments that should be passed in as
      // keyword arguments (essentially default values)

      macroArgs.slice(args.length, argCount).forEach(function (val, i) {
        if (i < kwargNames.length) {
          kwargs[kwargNames[i]] = val;
        }
      });
      args.push(kwargs);
    } else if (argCount < argNames.length) {
      args = macroArgs.slice(0, argCount);

      for (var i = argCount; i < argNames.length; i++) {
        var arg = argNames[i]; // Keyword arguments that should be passed as
        // positional arguments, i.e. the caller explicitly
        // used the name of a positional arg

        args.push(kwargs[arg]);
        delete kwargs[arg];
      }

      args.push(kwargs);
    } else {
      args = macroArgs;
    }

    return func.apply(this, args);
  };
}

function makeKeywordArgs(obj) {
  obj.__keywords = true;
  return obj;
}

function isKeywordArgs(obj) {
  return obj && Object.prototype.hasOwnProperty.call(obj, '__keywords');
}

function getKeywordArgs(args) {
  var len = args.length;

  if (len) {
    var lastArg = args[len - 1];

    if (isKeywordArgs(lastArg)) {
      return lastArg;
    }
  }

  return {};
}

function numArgs(args) {
  var len = args.length;

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

  var lastArg = args[len - 1];

  if (isKeywordArgs(lastArg)) {
    return len - 1;
  } else {
    return len;
  }
} // A SafeString object indicates that the string should not be
// autoescaped. This happens magically because autoescaping only
// occurs on primitive string objects.


function SafeString(val) {
  if (typeof val !== 'string') {
    return val;
  }

  this.val = val;
  this.length = val.length;
}

SafeString.prototype = Object.create(String.prototype, {
  length: {
    writable: true,
    configurable: true,
    value: 0
  }
});

SafeString.prototype.valueOf = function valueOf() {
  return this.val;
};

SafeString.prototype.toString = function toString() {
  return this.val;
};

function copySafeness(dest, target) {
  if (dest instanceof SafeString) {
    return new SafeString(target);
  }

  return target.toString();
}

function markSafe(val) {
  var type = typeof val;

  if (type === 'string') {
    return new SafeString(val);
  } else if (type !== 'function') {
    return val;
  } else {
    return function wrapSafe(args) {
      var ret = val.apply(this, arguments);

      if (typeof ret === 'string') {
        return new SafeString(ret);
      }

      return ret;
    };
  }
}

function suppressValue(val, autoescape) {
  val = val !== undefined && val !== null ? val : '';

  if (autoescape && !(val instanceof SafeString)) {
    val = lib.escape(val.toString());
  }

  return val;
}

function ensureDefined(val, lineno, colno) {
  if (val === null || val === undefined) {
    throw new lib.TemplateError('attempted to output null or undefined value', lineno + 1, colno + 1);
  }

  return val;
}

function memberLookup(obj, val) {
  if (obj === undefined || obj === null) {
    return undefined;
  }

  if (typeof obj[val] === 'function') {
    return function () {
      for (var _len2 = arguments.length, args = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
        args[_key2] = arguments[_key2];
      }

      return obj[val].apply(obj, args);
    };
  }

  return obj[val];
}

function callWrap(obj, name, context, args) {
  if (!obj) {
    throw new Error('Unable to call `' + name + '`, which is undefined or falsey');
  } else if (typeof obj !== 'function') {
    throw new Error('Unable to call `' + name + '`, which is not a function');
  }

  return obj.apply(context, args);
}

function contextOrFrameLookup(context, frame, name) {
  var val = frame.lookup(name);
  return val !== undefined ? val : context.lookup(name);
}

function handleError(error, lineno, colno) {
  if (error.lineno) {
    return error;
  } else {
    return new lib.TemplateError(error, lineno, colno);
  }
}

function asyncEach(arr, dimen, iter, cb) {
  if (lib.isArray(arr)) {
    var len = arr.length;
    lib.asyncIter(arr, function iterCallback(item, i, next) {
      switch (dimen) {
        case 1:
          iter(item, i, len, next);
          break;

        case 2:
          iter(item[0], item[1], i, len, next);
          break;

        case 3:
          iter(item[0], item[1], item[2], i, len, next);
          break;

        default:
          item.push(i, len, next);
          iter.apply(this, item);
      }
    }, cb);
  } else {
    lib.asyncFor(arr, function iterCallback(key, val, i, len, next) {
      iter(key, val, i, len, next);
    }, cb);
  }
}

function asyncAll(arr, dimen, func, cb) {
  var finished = 0;
  var len;
  var outputArr;

  function done(i, output) {
    finished++;
    outputArr[i] = output;

    if (finished === len) {
      cb(null, outputArr.join(''));
    }
  }

  if (lib.isArray(arr)) {
    len = arr.length;
    outputArr = new Array(len);

    if (len === 0) {
      cb(null, '');
    } else {
      for (var i = 0; i < arr.length; i++) {
        var item = arr[i];

        switch (dimen) {
          case 1:
            func(item, i, len, done);
            break;

          case 2:
            func(item[0], item[1], i, len, done);
            break;

          case 3:
            func(item[0], item[1], item[2], i, len, done);
            break;

          default:
            item.push(i, len, done);
            func.apply(this, item);
        }
      }
    }
  } else {
    var keys = lib.keys(arr || {});
    len = keys.length;
    outputArr = new Array(len);

    if (len === 0) {
      cb(null, '');
    } else {
      for (var _i = 0; _i < keys.length; _i++) {
        var k = keys[_i];
        func(k, arr[k], _i, len, done);
      }
    }
  }
}

function fromIterator(arr) {
  if (typeof arr !== 'object' || arr === null || lib.isArray(arr)) {
    return arr;
  } else if (supportsIterators && Symbol.iterator in arr) {
    return arrayFrom(arr);
  } else {
    return arr;
  }
}

module.exports = {
  Frame: Frame,
  makeMacro: makeMacro,
  makeKeywordArgs: makeKeywordArgs,
  numArgs: numArgs,
  suppressValue: suppressValue,
  ensureDefined: ensureDefined,
  memberLookup: memberLookup,
  contextOrFrameLookup: contextOrFrameLookup,
  callWrap: callWrap,
  handleError: handleError,
  isArray: lib.isArray,
  keys: lib.keys,
  SafeString: SafeString,
  copySafeness: copySafeness,
  markSafe: markSafe,
  asyncEach: asyncEach,
  asyncAll: asyncAll,
  inOperator: lib.inOperator,
  fromIterator: fromIterator
};

/***/ }),
/* 3 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

var Loader = __webpack_require__(4);

var PrecompiledLoader = /*#__PURE__*/function (_Loader) {
  _inheritsLoose(PrecompiledLoader, _Loader);

  function PrecompiledLoader(compiledTemplates) {
    var _this;

    _this = _Loader.call(this) || this;
    _this.precompiled = compiledTemplates || {};
    return _this;
  }

  var _proto = PrecompiledLoader.prototype;

  _proto.getSource = function getSource(name) {
    if (this.precompiled[name]) {
      return {
        src: {
          type: 'code',
          obj: this.precompiled[name]
        },
        path: name
      };
    }

    return null;
  };

  return PrecompiledLoader;
}(Loader);

module.exports = {
  PrecompiledLoader: PrecompiledLoader
};

/***/ }),
/* 4 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

var path = __webpack_require__(0);

var _require = __webpack_require__(5),
    EmitterObj = _require.EmitterObj;

module.exports = /*#__PURE__*/function (_EmitterObj) {
  _inheritsLoose(Loader, _EmitterObj);

  function Loader() {
    return _EmitterObj.apply(this, arguments) || this;
  }

  var _proto = Loader.prototype;

  _proto.resolve = function resolve(from, to) {
    return path.resolve(path.dirname(from), to);
  };

  _proto.isRelative = function isRelative(filename) {
    return filename.indexOf('./') === 0 || filename.indexOf('../') === 0;
  };

  return Loader;
}(EmitterObj);

/***/ }),
/* 5 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";
 // A simple class system, more documentation to come

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); } }

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

function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

var EventEmitter = __webpack_require__(13);

var lib = __webpack_require__(1);

function parentWrap(parent, prop) {
  if (typeof parent !== 'function' || typeof prop !== 'function') {
    return prop;
  }

  return function wrap() {
    // Save the current parent method
    var tmp = this.parent; // Set parent to the previous method, call, and restore

    this.parent = parent;
    var res = prop.apply(this, arguments);
    this.parent = tmp;
    return res;
  };
}

function extendClass(cls, name, props) {
  props = props || {};
  lib.keys(props).forEach(function (k) {
    props[k] = parentWrap(cls.prototype[k], props[k]);
  });

  var subclass = /*#__PURE__*/function (_cls) {
    _inheritsLoose(subclass, _cls);

    function subclass() {
      return _cls.apply(this, arguments) || this;
    }

    _createClass(subclass, [{
      key: "typename",
      get: function get() {
        return name;
      }
    }]);

    return subclass;
  }(cls);

  lib._assign(subclass.prototype, props);

  return subclass;
}

var Obj = /*#__PURE__*/function () {
  function Obj() {
    // Unfortunately necessary for backwards compatibility
    this.init.apply(this, arguments);
  }

  var _proto = Obj.prototype;

  _proto.init = function init() {};

  Obj.extend = function extend(name, props) {
    if (typeof name === 'object') {
      props = name;
      name = 'anonymous';
    }

    return extendClass(this, name, props);
  };

  _createClass(Obj, [{
    key: "typename",
    get: function get() {
      return this.constructor.name;
    }
  }]);

  return Obj;
}();

var EmitterObj = /*#__PURE__*/function (_EventEmitter) {
  _inheritsLoose(EmitterObj, _EventEmitter);

  function EmitterObj() {
    var _this2;

    var _this;

    _this = _EventEmitter.call(this) || this; // Unfortunately necessary for backwards compatibility

    (_this2 = _this).init.apply(_this2, arguments);

    return _this;
  }

  var _proto2 = EmitterObj.prototype;

  _proto2.init = function init() {};

  EmitterObj.extend = function extend(name, props) {
    if (typeof name === 'object') {
      props = name;
      name = 'anonymous';
    }

    return extendClass(this, name, props);
  };

  _createClass(EmitterObj, [{
    key: "typename",
    get: function get() {
      return this.constructor.name;
    }
  }]);

  return EmitterObj;
}(EventEmitter);

module.exports = {
  Obj: Obj,
  EmitterObj: EmitterObj
};

/***/ }),
/* 6 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var lib = __webpack_require__(1);

var _require = __webpack_require__(7),
    Environment = _require.Environment,
    Template = _require.Template;

var Loader = __webpack_require__(4);

var loaders = __webpack_require__(3);

var precompile = __webpack_require__(0);

var compiler = __webpack_require__(0);

var parser = __webpack_require__(0);

var lexer = __webpack_require__(0);

var runtime = __webpack_require__(2);

var nodes = __webpack_require__(0);

var installJinjaCompat = __webpack_require__(17); // A single instance of an environment, since this is so commonly used


var e;

function configure(templatesPath, opts) {
  opts = opts || {};

  if (lib.isObject(templatesPath)) {
    opts = templatesPath;
    templatesPath = null;
  }

  var TemplateLoader;

  if (loaders.FileSystemLoader) {
    TemplateLoader = new loaders.FileSystemLoader(templatesPath, {
      watch: opts.watch,
      noCache: opts.noCache
    });
  } else if (loaders.WebLoader) {
    TemplateLoader = new loaders.WebLoader(templatesPath, {
      useCache: opts.web && opts.web.useCache,
      async: opts.web && opts.web.async
    });
  }

  e = new Environment(TemplateLoader, opts);

  if (opts && opts.express) {
    e.express(opts.express);
  }

  return e;
}

module.exports = {
  Environment: Environment,
  Template: Template,
  Loader: Loader,
  FileSystemLoader: loaders.FileSystemLoader,
  NodeResolveLoader: loaders.NodeResolveLoader,
  PrecompiledLoader: loaders.PrecompiledLoader,
  WebLoader: loaders.WebLoader,
  compiler: compiler,
  parser: parser,
  lexer: lexer,
  runtime: runtime,
  lib: lib,
  nodes: nodes,
  installJinjaCompat: installJinjaCompat,
  configure: configure,
  reset: function reset() {
    e = undefined;
  },
  compile: function compile(src, env, path, eagerCompile) {
    if (!e) {
      configure();
    }

    return new Template(src, env, path, eagerCompile);
  },
  render: function render(name, ctx, cb) {
    if (!e) {
      configure();
    }

    return e.render(name, ctx, cb);
  },
  renderString: function renderString(src, ctx, cb) {
    if (!e) {
      configure();
    }

    return e.renderString(src, ctx, cb);
  },
  precompile: precompile ? precompile.precompile : undefined,
  precompileString: precompile ? precompile.precompileString : undefined
};

/***/ }),
/* 7 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


function _inheritsLoose(subClass, superClass) { subClass.prototype = Object.create(superClass.prototype); subClass.prototype.constructor = subClass; _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

var asap = __webpack_require__(8);

var _waterfall = __webpack_require__(11);

var lib = __webpack_require__(1);

var compiler = __webpack_require__(0);

var filters = __webpack_require__(12);

var _require = __webpack_require__(3),
    FileSystemLoader = _require.FileSystemLoader,
    WebLoader = _require.WebLoader,
    PrecompiledLoader = _require.PrecompiledLoader;

var tests = __webpack_require__(14);

var globals = __webpack_require__(15);

var _require2 = __webpack_require__(5),
    Obj = _require2.Obj,
    EmitterObj = _require2.EmitterObj;

var globalRuntime = __webpack_require__(2);

var handleError = globalRuntime.handleError,
    Frame = globalRuntime.Frame;

var expressApp = __webpack_require__(16); // If the user is using the async API, *always* call it
// asynchronously even if the template was synchronous.


function callbackAsap(cb, err, res) {
  asap(function () {
    cb(err, res);
  });
}
/**
 * A no-op template, for use with {% include ignore missing %}
 */


var noopTmplSrc = {
  type: 'code',
  obj: {
    root: function root(env, context, frame, runtime, cb) {
      try {
        cb(null, '');
      } catch (e) {
        cb(handleError(e, null, null));
      }
    }
  }
};

var Environment = /*#__PURE__*/function (_EmitterObj) {
  _inheritsLoose(Environment, _EmitterObj);

  function Environment() {
    return _EmitterObj.apply(this, arguments) || this;
  }

  var _proto = Environment.prototype;

  _proto.init = function init(loaders, opts) {
    var _this = this;

    // The dev flag determines the trace that'll be shown on errors.
    // If set to true, returns the full trace from the error point,
    // otherwise will return trace starting from Template.render
    // (the full trace from within nunjucks may confuse developers using
    //  the library)
    // defaults to false
    opts = this.opts = opts || {};
    this.opts.dev = !!opts.dev; // The autoescape flag sets global autoescaping. If true,
    // every string variable will be escaped by default.
    // If false, strings can be manually escaped using the `escape` filter.
    // defaults to true

    this.opts.autoescape = opts.autoescape != null ? opts.autoescape : true; // If true, this will make the system throw errors if trying
    // to output a null or undefined value

    this.opts.throwOnUndefined = !!opts.throwOnUndefined;
    this.opts.trimBlocks = !!opts.trimBlocks;
    this.opts.lstripBlocks = !!opts.lstripBlocks;
    this.loaders = [];

    if (!loaders) {
      // The filesystem loader is only available server-side
      if (FileSystemLoader) {
        this.loaders = [new FileSystemLoader('views')];
      } else if (WebLoader) {
        this.loaders = [new WebLoader('/views')];
      }
    } else {
      this.loaders = lib.isArray(loaders) ? loaders : [loaders];
    } // It's easy to use precompiled templates: just include them
    // before you configure nunjucks and this will automatically
    // pick it up and use it


    if (typeof window !== 'undefined' && window.nunjucksPrecompiled) {
      this.loaders.unshift(new PrecompiledLoader(window.nunjucksPrecompiled));
    }

    this._initLoaders();

    this.globals = globals();
    this.filters = {};
    this.tests = {};
    this.asyncFilters = [];
    this.extensions = {};
    this.extensionsList = [];

    lib._entries(filters).forEach(function (_ref) {
      var name = _ref[0],
          filter = _ref[1];
      return _this.addFilter(name, filter);
    });

    lib._entries(tests).forEach(function (_ref2) {
      var name = _ref2[0],
          test = _ref2[1];
      return _this.addTest(name, test);
    });
  };

  _proto._initLoaders = function _initLoaders() {
    var _this2 = this;

    this.loaders.forEach(function (loader) {
      // Caching and cache busting
      loader.cache = {};

      if (typeof loader.on === 'function') {
        loader.on('update', function (name, fullname) {
          loader.cache[name] = null;

          _this2.emit('update', name, fullname, loader);
        });
        loader.on('load', function (name, source) {
          _this2.emit('load', name, source, loader);
        });
      }
    });
  };

  _proto.invalidateCache = function invalidateCache() {
    this.loaders.forEach(function (loader) {
      loader.cache = {};
    });
  };

  _proto.addExtension = function addExtension(name, extension) {
    extension.__name = name;
    this.extensions[name] = extension;
    this.extensionsList.push(extension);
    return this;
  };

  _proto.removeExtension = function removeExtension(name) {
    var extension = this.getExtension(name);

    if (!extension) {
      return;
    }

    this.extensionsList = lib.without(this.extensionsList, extension);
    delete this.extensions[name];
  };

  _proto.getExtension = function getExtension(name) {
    return this.extensions[name];
  };

  _proto.hasExtension = function hasExtension(name) {
    return !!this.extensions[name];
  };

  _proto.addGlobal = function addGlobal(name, value) {
    this.globals[name] = value;
    return this;
  };

  _proto.getGlobal = function getGlobal(name) {
    if (typeof this.globals[name] === 'undefined') {
      throw new Error('global not found: ' + name);
    }

    return this.globals[name];
  };

  _proto.addFilter = function addFilter(name, func, async) {
    var wrapped = func;

    if (async) {
      this.asyncFilters.push(name);
    }

    this.filters[name] = wrapped;
    return this;
  };

  _proto.getFilter = function getFilter(name) {
    if (!this.filters[name]) {
      throw new Error('filter not found: ' + name);
    }

    return this.filters[name];
  };

  _proto.addTest = function addTest(name, func) {
    this.tests[name] = func;
    return this;
  };

  _proto.getTest = function getTest(name) {
    if (!this.tests[name]) {
      throw new Error('test not found: ' + name);
    }

    return this.tests[name];
  };

  _proto.resolveTemplate = function resolveTemplate(loader, parentName, filename) {
    var isRelative = loader.isRelative && parentName ? loader.isRelative(filename) : false;
    return isRelative && loader.resolve ? loader.resolve(parentName, filename) : filename;
  };

  _proto.getTemplate = function getTemplate(name, eagerCompile, parentName, ignoreMissing, cb) {
    var _this3 = this;

    var that = this;
    var tmpl = null;

    if (name && name.raw) {
      // this fixes autoescape for templates referenced in symbols
      name = name.raw;
    }

    if (lib.isFunction(parentName)) {
      cb = parentName;
      parentName = null;
      eagerCompile = eagerCompile || false;
    }

    if (lib.isFunction(eagerCompile)) {
      cb = eagerCompile;
      eagerCompile = false;
    }

    if (name instanceof Template) {
      tmpl = name;
    } else if (typeof name !== 'string') {
      throw new Error('template names must be a string: ' + name);
    } else {
      for (var i = 0; i < this.loaders.length; i++) {
        var loader = this.loaders[i];
        tmpl = loader.cache[this.resolveTemplate(loader, parentName, name)];

        if (tmpl) {
          break;
        }
      }
    }

    if (tmpl) {
      if (eagerCompile) {
        tmpl.compile();
      }

      if (cb) {
        cb(null, tmpl);
        return undefined;
      } else {
        return tmpl;
      }
    }

    var syncResult;

    var createTemplate = function createTemplate(err, info) {
      if (!info && !err && !ignoreMissing) {
        err = new Error('template not found: ' + name);
      }

      if (err) {
        if (cb) {
          cb(err);
          return;
        } else {
          throw err;
        }
      }

      var newTmpl;

      if (!info) {
        newTmpl = new Template(noopTmplSrc, _this3, '', eagerCompile);
      } else {
        newTmpl = new Template(info.src, _this3, info.path, eagerCompile);

        if (!info.noCache) {
          info.loader.cache[name] = newTmpl;
        }
      }

      if (cb) {
        cb(null, newTmpl);
      } else {
        syncResult = newTmpl;
      }
    };

    lib.asyncIter(this.loaders, function (loader, i, next, done) {
      function handle(err, src) {
        if (err) {
          done(err);
        } else if (src) {
          src.loader = loader;
          done(null, src);
        } else {
          next();
        }
      } // Resolve name relative to parentName


      name = that.resolveTemplate(loader, parentName, name);

      if (loader.async) {
        loader.getSource(name, handle);
      } else {
        handle(null, loader.getSource(name));
      }
    }, createTemplate);
    return syncResult;
  };

  _proto.express = function express(app) {
    return expressApp(this, app);
  };

  _proto.render = function render(name, ctx, cb) {
    if (lib.isFunction(ctx)) {
      cb = ctx;
      ctx = null;
    } // We support a synchronous API to make it easier to migrate
    // existing code to async. This works because if you don't do
    // anything async work, the whole thing is actually run
    // synchronously.


    var syncResult = null;
    this.getTemplate(name, function (err, tmpl) {
      if (err && cb) {
        callbackAsap(cb, err);
      } else if (err) {
        throw err;
      } else {
        syncResult = tmpl.render(ctx, cb);
      }
    });
    return syncResult;
  };

  _proto.renderString = function renderString(src, ctx, opts, cb) {
    if (lib.isFunction(opts)) {
      cb = opts;
      opts = {};
    }

    opts = opts || {};
    var tmpl = new Template(src, this, opts.path);
    return tmpl.render(ctx, cb);
  };

  _proto.waterfall = function waterfall(tasks, callback, forceAsync) {
    return _waterfall(tasks, callback, forceAsync);
  };

  return Environment;
}(EmitterObj);

var Context = /*#__PURE__*/function (_Obj) {
  _inheritsLoose(Context, _Obj);

  function Context() {
    return _Obj.apply(this, arguments) || this;
  }

  var _proto2 = Context.prototype;

  _proto2.init = function init(ctx, blocks, env) {
    var _this4 = this;

    // Has to be tied to an environment so we can tap into its globals.
    this.env = env || new Environment(); // Make a duplicate of ctx

    this.ctx = lib.extend({}, ctx);
    this.blocks = {};
    this.exported = [];
    lib.keys(blocks).forEach(function (name) {
      _this4.addBlock(name, blocks[name]);
    });
  };

  _proto2.lookup = function lookup(name) {
    // This is one of the most called functions, so optimize for
    // the typical case where the name isn't in the globals
    if (name in this.env.globals && !(name in this.ctx)) {
      return this.env.globals[name];
    } else {
      return this.ctx[name];
    }
  };

  _proto2.setVariable = function setVariable(name, val) {
    this.ctx[name] = val;
  };

  _proto2.getVariables = function getVariables() {
    return this.ctx;
  };

  _proto2.addBlock = function addBlock(name, block) {
    this.blocks[name] = this.blocks[name] || [];
    this.blocks[name].push(block);
    return this;
  };

  _proto2.getBlock = function getBlock(name) {
    if (!this.blocks[name]) {
      throw new Error('unknown block "' + name + '"');
    }

    return this.blocks[name][0];
  };

  _proto2.getSuper = function getSuper(env, name, block, frame, runtime, cb) {
    var idx = lib.indexOf(this.blocks[name] || [], block);
    var blk = this.blocks[name][idx + 1];
    var context = this;

    if (idx === -1 || !blk) {
      throw new Error('no super block available for "' + name + '"');
    }

    blk(env, context, frame, runtime, cb);
  };

  _proto2.addExport = function addExport(name) {
    this.exported.push(name);
  };

  _proto2.getExported = function getExported() {
    var _this5 = this;

    var exported = {};
    this.exported.forEach(function (name) {
      exported[name] = _this5.ctx[name];
    });
    return exported;
  };

  return Context;
}(Obj);

var Template = /*#__PURE__*/function (_Obj2) {
  _inheritsLoose(Template, _Obj2);

  function Template() {
    return _Obj2.apply(this, arguments) || this;
  }

  var _proto3 = Template.prototype;

  _proto3.init = function init(src, env, path, eagerCompile) {
    this.env = env || new Environment();

    if (lib.isObject(src)) {
      switch (src.type) {
        case 'code':
          this.tmplProps = src.obj;
          break;

        case 'string':
          this.tmplStr = src.obj;
          break;

        default:
          throw new Error("Unexpected template object type " + src.type + "; expected 'code', or 'string'");
      }
    } else if (lib.isString(src)) {
      this.tmplStr = src;
    } else {
      throw new Error('src must be a string or an object describing the source');
    }

    this.path = path;

    if (eagerCompile) {
      try {
        this._compile();
      } catch (err) {
        throw lib._prettifyError(this.path, this.env.opts.dev, err);
      }
    } else {
      this.compiled = false;
    }
  };

  _proto3.render = function render(ctx, parentFrame, cb) {
    var _this6 = this;

    if (typeof ctx === 'function') {
      cb = ctx;
      ctx = {};
    } else if (typeof parentFrame === 'function') {
      cb = parentFrame;
      parentFrame = null;
    } // If there is a parent frame, we are being called from internal
    // code of another template, and the internal system
    // depends on the sync/async nature of the parent template
    // to be inherited, so force an async callback


    var forceAsync = !parentFrame; // Catch compile errors for async rendering

    try {
      this.compile();
    } catch (e) {
      var err = lib._prettifyError(this.path, this.env.opts.dev, e);

      if (cb) {
        return callbackAsap(cb, err);
      } else {
        throw err;
      }
    }

    var context = new Context(ctx || {}, this.blocks, this.env);
    var frame = parentFrame ? parentFrame.push(true) : new Frame();
    frame.topLevel = true;
    var syncResult = null;
    var didError = false;
    this.rootRenderFunc(this.env, context, frame, globalRuntime, function (err, res) {
      // TODO: this is actually a bug in the compiled template (because waterfall
      // tasks are both not passing errors up the chain of callbacks AND are not
      // causing a return from the top-most render function). But fixing that
      // will require a more substantial change to the compiler.
      if (didError && cb && typeof res !== 'undefined') {
        // prevent multiple calls to cb
        return;
      }

      if (err) {
        err = lib._prettifyError(_this6.path, _this6.env.opts.dev, err);
        didError = true;
      }

      if (cb) {
        if (forceAsync) {
          callbackAsap(cb, err, res);
        } else {
          cb(err, res);
        }
      } else {
        if (err) {
          throw err;
        }

        syncResult = res;
      }
    });
    return syncResult;
  };

  _proto3.getExported = function getExported(ctx, parentFrame, cb) {
    // eslint-disable-line consistent-return
    if (typeof ctx === 'function') {
      cb = ctx;
      ctx = {};
    }

    if (typeof parentFrame === 'function') {
      cb = parentFrame;
      parentFrame = null;
    } // Catch compile errors for async rendering


    try {
      this.compile();
    } catch (e) {
      if (cb) {
        return cb(e);
      } else {
        throw e;
      }
    }

    var frame = parentFrame ? parentFrame.push() : new Frame();
    frame.topLevel = true; // Run the rootRenderFunc to populate the context with exported vars

    var context = new Context(ctx || {}, this.blocks, this.env);
    this.rootRenderFunc(this.env, context, frame, globalRuntime, function (err) {
      if (err) {
        cb(err, null);
      } else {
        cb(null, context.getExported());
      }
    });
  };

  _proto3.compile = function compile() {
    if (!this.compiled) {
      this._compile();
    }
  };

  _proto3._compile = function _compile() {
    var props;

    if (this.tmplProps) {
      props = this.tmplProps;
    } else {
      var source = compiler.compile(this.tmplStr, this.env.asyncFilters, this.env.extensionsList, this.path, this.env.opts);
      var func = new Function(source); // eslint-disable-line no-new-func

      props = func();
    }

    this.blocks = this._getBlocks(props);
    this.rootRenderFunc = props.root;
    this.compiled = true;
  };

  _proto3._getBlocks = function _getBlocks(props) {
    var blocks = {};
    lib.keys(props).forEach(function (k) {
      if (k.slice(0, 2) === 'b_') {
        blocks[k.slice(2)] = props[k];
      }
    });
    return blocks;
  };

  return Template;
}(Obj);

module.exports = {
  Environment: Environment,
  Template: Template
};

/***/ }),
/* 8 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


// rawAsap provides everything we need except exception management.
var rawAsap = __webpack_require__(9);
// RawTasks are recycled to reduce GC churn.
var freeTasks = [];
// We queue errors to ensure they are thrown in right order (FIFO).
// Array-as-queue is good enough here, since we are just dealing with exceptions.
var pendingErrors = [];
var requestErrorThrow = rawAsap.makeRequestCallFromTimer(throwFirstError);

function throwFirstError() {
    if (pendingErrors.length) {
        throw pendingErrors.shift();
    }
}

/**
 * Calls a task as soon as possible after returning, in its own event, with priority
 * over other events like animation, reflow, and repaint. An error thrown from an
 * event will not interrupt, nor even substantially slow down the processing of
 * other events, but will be rather postponed to a lower priority event.
 * @param {{call}} task A callable object, typically a function that takes no
 * arguments.
 */
module.exports = asap;
function asap(task) {
    var rawTask;
    if (freeTasks.length) {
        rawTask = freeTasks.pop();
    } else {
        rawTask = new RawTask();
    }
    rawTask.task = task;
    rawAsap(rawTask);
}

// We wrap tasks with recyclable task objects.  A task object implements
// `call`, just like a function.
function RawTask() {
    this.task = null;
}

// The sole purpose of wrapping the task is to catch the exception and recycle
// the task object after its single use.
RawTask.prototype.call = function () {
    try {
        this.task.call();
    } catch (error) {
        if (asap.onerror) {
            // This hook exists purely for testing purposes.
            // Its name will be periodically randomized to break any code that
            // depends on its existence.
            asap.onerror(error);
        } else {
            // In a web browser, exceptions are not fatal. However, to avoid
            // slowing down the queue of pending tasks, we rethrow the error in a
            // lower priority turn.
            pendingErrors.push(error);
            requestErrorThrow();
        }
    } finally {
        this.task = null;
        freeTasks[freeTasks.length] = this;
    }
};


/***/ }),
/* 9 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";
/* WEBPACK VAR INJECTION */(function(global) {

// Use the fastest means possible to execute a task in its own turn, with
// priority over other events including IO, animation, reflow, and redraw
// events in browsers.
//
// An exception thrown by a task will permanently interrupt the processing of
// subsequent tasks. The higher level `asap` function ensures that if an
// exception is thrown by a task, that the task queue will continue flushing as
// soon as possible, but if you use `rawAsap` directly, you are responsible to
// either ensure that no exceptions are thrown from your task, or to manually
// call `rawAsap.requestFlush` if an exception is thrown.
module.exports = rawAsap;
function rawAsap(task) {
    if (!queue.length) {
        requestFlush();
        flushing = true;
    }
    // Equivalent to push, but avoids a function call.
    queue[queue.length] = task;
}

var queue = [];
// Once a flush has been requested, no further calls to `requestFlush` are
// necessary until the next `flush` completes.
var flushing = false;
// `requestFlush` is an implementation-specific method that attempts to kick
// off a `flush` event as quickly as possible. `flush` will attempt to exhaust
// the event queue before yielding to the browser's own event loop.
var requestFlush;
// The position of the next task to execute in the task queue. This is
// preserved between calls to `flush` so that it can be resumed if
// a task throws an exception.
var index = 0;
// If a task schedules additional tasks recursively, the task queue can grow
// unbounded. To prevent memory exhaustion, the task queue will periodically
// truncate already-completed tasks.
var capacity = 1024;

// The flush function processes all tasks that have been scheduled with
// `rawAsap` unless and until one of those tasks throws an exception.
// If a task throws an exception, `flush` ensures that its state will remain
// consistent and will resume where it left off when called again.
// However, `flush` does not make any arrangements to be called again if an
// exception is thrown.
function flush() {
    while (index < queue.length) {
        var currentIndex = index;
        // Advance the index before calling the task. This ensures that we will
        // begin flushing on the next task the task throws an error.
        index = index + 1;
        queue[currentIndex].call();
        // Prevent leaking memory for long chains of recursive calls to `asap`.
        // If we call `asap` within tasks scheduled by `asap`, the queue will
        // grow, but to avoid an O(n) walk for every task we execute, we don't
        // shift tasks off the queue after they have been executed.
        // Instead, we periodically shift 1024 tasks off the queue.
        if (index > capacity) {
            // Manually shift all values starting at the index back to the
            // beginning of the queue.
            for (var scan = 0, newLength = queue.length - index; scan < newLength; scan++) {
                queue[scan] = queue[scan + index];
            }
            queue.length -= index;
            index = 0;
        }
    }
    queue.length = 0;
    index = 0;
    flushing = false;
}

// `requestFlush` is implemented using a strategy based on data collected from
// every available SauceLabs Selenium web driver worker at time of writing.
// https://docs.google.com/spreadsheets/d/1mG-5UYGup5qxGdEMWkhP6BWCz053NUb2E1QoUTU16uA/edit#gid=783724593

// Safari 6 and 6.1 for desktop, iPad, and iPhone are the only browsers that
// have WebKitMutationObserver but not un-prefixed MutationObserver.
// Must use `global` or `self` instead of `window` to work in both frames and web
// workers. `global` is a provision of Browserify, Mr, Mrs, or Mop.

/* globals self */
var scope = typeof global !== "undefined" ? global : self;
var BrowserMutationObserver = scope.MutationObserver || scope.WebKitMutationObserver;

// MutationObservers are desirable because they have high priority and work
// reliably everywhere they are implemented.
// They are implemented in all modern browsers.
//
// - Android 4-4.3
// - Chrome 26-34
// - Firefox 14-29
// - Internet Explorer 11
// - iPad Safari 6-7.1
// - iPhone Safari 7-7.1
// - Safari 6-7
if (typeof BrowserMutationObserver === "function") {
    requestFlush = makeRequestCallFromMutationObserver(flush);

// MessageChannels are desirable because they give direct access to the HTML
// task queue, are implemented in Internet Explorer 10, Safari 5.0-1, and Opera
// 11-12, and in web workers in many engines.
// Although message channels yield to any queued rendering and IO tasks, they
// would be better than imposing the 4ms delay of timers.
// However, they do not work reliably in Internet Explorer or Safari.

// Internet Explorer 10 is the only browser that has setImmediate but does
// not have MutationObservers.
// Although setImmediate yields to the browser's renderer, it would be
// preferrable to falling back to setTimeout since it does not have
// the minimum 4ms penalty.
// Unfortunately there appears to be a bug in Internet Explorer 10 Mobile (and
// Desktop to a lesser extent) that renders both setImmediate and
// MessageChannel useless for the purposes of ASAP.
// https://github.com/kriskowal/q/issues/396

// Timers are implemented universally.
// We fall back to timers in workers in most engines, and in foreground
// contexts in the following browsers.
// However, note that even this simple case requires nuances to operate in a
// broad spectrum of browsers.
//
// - Firefox 3-13
// - Internet Explorer 6-9
// - iPad Safari 4.3
// - Lynx 2.8.7
} else {
    requestFlush = makeRequestCallFromTimer(flush);
}

// `requestFlush` requests that the high priority event queue be flushed as
// soon as possible.
// This is useful to prevent an error thrown in a task from stalling the event
// queue if the exception handled by Node.js’s
// `process.on("uncaughtException")` or by a domain.
rawAsap.requestFlush = requestFlush;

// To request a high priority event, we induce a mutation observer by toggling
// the text of a text node between "1" and "-1".
function makeRequestCallFromMutationObserver(callback) {
    var toggle = 1;
    var observer = new BrowserMutationObserver(callback);
    var node = document.createTextNode("");
    observer.observe(node, {characterData: true});
    return function requestCall() {
        toggle = -toggle;
        node.data = toggle;
    };
}

// The message channel technique was discovered by Malte Ubl and was the
// original foundation for this library.
// http://www.nonblocking.io/2011/06/windownexttick.html

// Safari 6.0.5 (at least) intermittently fails to create message ports on a
// page's first load. Thankfully, this version of Safari supports
// MutationObservers, so we don't need to fall back in that case.

// function makeRequestCallFromMessageChannel(callback) {
//     var channel = new MessageChannel();
//     channel.port1.onmessage = callback;
//     return function requestCall() {
//         channel.port2.postMessage(0);
//     };
// }

// For reasons explained above, we are also unable to use `setImmediate`
// under any circumstances.
// Even if we were, there is another bug in Internet Explorer 10.
// It is not sufficient to assign `setImmediate` to `requestFlush` because
// `setImmediate` must be called *by name* and therefore must be wrapped in a
// closure.
// Never forget.

// function makeRequestCallFromSetImmediate(callback) {
//     return function requestCall() {
//         setImmediate(callback);
//     };
// }

// Safari 6.0 has a problem where timers will get lost while the user is
// scrolling. This problem does not impact ASAP because Safari 6.0 supports
// mutation observers, so that implementation is used instead.
// However, if we ever elect to use timers in Safari, the prevalent work-around
// is to add a scroll event listener that calls for a flush.

// `setTimeout` does not call the passed callback if the delay is less than
// approximately 7 in web workers in Firefox 8 through 18, and sometimes not
// even then.

function makeRequestCallFromTimer(callback) {
    return function requestCall() {
        // We dispatch a timeout with a specified delay of 0 for engines that
        // can reliably accommodate that request. This will usually be snapped
        // to a 4 milisecond delay, but once we're flushing, there's no delay
        // between events.
        var timeoutHandle = setTimeout(handleTimer, 0);
        // However, since this timer gets frequently dropped in Firefox
        // workers, we enlist an interval handle that will try to fire
        // an event 20 times per second until it succeeds.
        var intervalHandle = setInterval(handleTimer, 50);

        function handleTimer() {
            // Whichever timer succeeds will cancel both timers and
            // execute the callback.
            clearTimeout(timeoutHandle);
            clearInterval(intervalHandle);
            callback();
        }
    };
}

// This is for `asap.js` only.
// Its name will be periodically randomized to break any code that depends on
// its existence.
rawAsap.makeRequestCallFromTimer = makeRequestCallFromTimer;

// ASAP was originally a nextTick shim included in Q. This was factored out
// into this ASAP package. It was later adapted to RSVP which made further
// amendments. These decisions, particularly to marginalize MessageChannel and
// to capture the MutationObserver implementation in a closure, were integrated
// back into ASAP proper.
// https://github.com/tildeio/rsvp.js/blob/cddf7232546a9cf858524b75cde6f9edf72620a7/lib/rsvp/asap.js

/* WEBPACK VAR INJECTION */}.call(exports, __webpack_require__(10)))

/***/ }),
/* 10 */
/***/ (function(module, exports) {

var g;

// This works in non-strict mode
g = (function() {
	return this;
})();

try {
	// This works if eval is allowed (see CSP)
	g = g || Function("return this")() || (1,eval)("this");
} catch(e) {
	// This works if the window reference is available
	if(typeof window === "object")
		g = window;
}

// g can still be undefined, but nothing to do about it...
// We return undefined, instead of nothing here, so it's
// easier to handle this case. if(!global) { ...}

module.exports = g;


/***/ }),
/* 11 */
/***/ (function(module, exports, __webpack_require__) {

var __WEBPACK_AMD_DEFINE_ARRAY__, __WEBPACK_AMD_DEFINE_RESULT__;// MIT license (by Elan Shanker).
(function(globals) {
  'use strict';

  var executeSync = function(){
    var args = Array.prototype.slice.call(arguments);
    if (typeof args[0] === 'function'){
      args[0].apply(null, args.splice(1));
    }
  };

  var executeAsync = function(fn){
    if (typeof setImmediate === 'function') {
      setImmediate(fn);
    } else if (typeof process !== 'undefined' && process.nextTick) {
      process.nextTick(fn);
    } else {
      setTimeout(fn, 0);
    }
  };

  var makeIterator = function (tasks) {
    var makeCallback = function (index) {
      var fn = function () {
        if (tasks.length) {
          tasks[index].apply(null, arguments);
        }
        return fn.next();
      };
      fn.next = function () {
        return (index < tasks.length - 1) ? makeCallback(index + 1): null;
      };
      return fn;
    };
    return makeCallback(0);
  };
  
  var _isArray = Array.isArray || function(maybeArray){
    return Object.prototype.toString.call(maybeArray) === '[object Array]';
  };

  var waterfall = function (tasks, callback, forceAsync) {
    var nextTick = forceAsync ? executeAsync : executeSync;
    callback = callback || function () {};
    if (!_isArray(tasks)) {
      var err = new Error('First argument to waterfall must be an array of functions');
      return callback(err);
    }
    if (!tasks.length) {
      return callback();
    }
    var wrapIterator = function (iterator) {
      return function (err) {
        if (err) {
          callback.apply(null, arguments);
          callback = function () {};
        } else {
          var args = Array.prototype.slice.call(arguments, 1);
          var next = iterator.next();
          if (next) {
            args.push(wrapIterator(next));
          } else {
            args.push(callback);
          }
          nextTick(function () {
            iterator.apply(null, args);
          });
        }
      };
    };
    wrapIterator(makeIterator(tasks))();
  };

  if (true) {
    !(__WEBPACK_AMD_DEFINE_ARRAY__ = [], __WEBPACK_AMD_DEFINE_RESULT__ = (function () {
      return waterfall;
    }).apply(exports, __WEBPACK_AMD_DEFINE_ARRAY__),
				__WEBPACK_AMD_DEFINE_RESULT__ !== undefined && (module.exports = __WEBPACK_AMD_DEFINE_RESULT__)); // RequireJS
  } else if (typeof module !== 'undefined' && module.exports) {
    module.exports = waterfall; // CommonJS
  } else {
    globals.waterfall = waterfall; // <script>
  }
})(this);


/***/ }),
/* 12 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var lib = __webpack_require__(1);

var r = __webpack_require__(2);

var exports = module.exports = {};

function normalize(value, defaultValue) {
  if (value === null || value === undefined || value === false) {
    return defaultValue;
  }

  return value;
}

exports.abs = Math.abs;

function isNaN(num) {
  return num !== num; // eslint-disable-line no-self-compare
}

function batch(arr, linecount, fillWith) {
  var i;
  var res = [];
  var tmp = [];

  for (i = 0; i < arr.length; i++) {
    if (i % linecount === 0 && tmp.length) {
      res.push(tmp);
      tmp = [];
    }

    tmp.push(arr[i]);
  }

  if (tmp.length) {
    if (fillWith) {
      for (i = tmp.length; i < linecount; i++) {
        tmp.push(fillWith);
      }
    }

    res.push(tmp);
  }

  return res;
}

exports.batch = batch;

function capitalize(str) {
  str = normalize(str, '');
  var ret = str.toLowerCase();
  return r.copySafeness(str, ret.charAt(0).toUpperCase() + ret.slice(1));
}

exports.capitalize = capitalize;

function center(str, width) {
  str = normalize(str, '');
  width = width || 80;

  if (str.length >= width) {
    return str;
  }

  var spaces = width - str.length;
  var pre = lib.repeat(' ', spaces / 2 - spaces % 2);
  var post = lib.repeat(' ', spaces / 2);
  return r.copySafeness(str, pre + str + post);
}

exports.center = center;

function default_(val, def, bool) {
  if (bool) {
    return val || def;
  } else {
    return val !== undefined ? val : def;
  }
} // TODO: it is confusing to export something called 'default'


exports['default'] = default_; // eslint-disable-line dot-notation

function dictsort(val, caseSensitive, by) {
  if (!lib.isObject(val)) {
    throw new lib.TemplateError('dictsort filter: val must be an object');
  }

  var array = []; // deliberately include properties from the object's prototype

  for (var k in val) {
    // eslint-disable-line guard-for-in, no-restricted-syntax
    array.push([k, val[k]]);
  }

  var si;

  if (by === undefined || by === 'key') {
    si = 0;
  } else if (by === 'value') {
    si = 1;
  } else {
    throw new lib.TemplateError('dictsort filter: You can only sort by either key or value');
  }

  array.sort(function (t1, t2) {
    var a = t1[si];
    var b = t2[si];

    if (!caseSensitive) {
      if (lib.isString(a)) {
        a = a.toUpperCase();
      }

      if (lib.isString(b)) {
        b = b.toUpperCase();
      }
    }

    return a > b ? 1 : a === b ? 0 : -1; // eslint-disable-line no-nested-ternary
  });
  return array;
}

exports.dictsort = dictsort;

function dump(obj, spaces) {
  return JSON.stringify(obj, null, spaces);
}

exports.dump = dump;

function escape(str) {
  if (str instanceof r.SafeString) {
    return str;
  }

  str = str === null || str === undefined ? '' : str;
  return r.markSafe(lib.escape(str.toString()));
}

exports.escape = escape;

function safe(str) {
  if (str instanceof r.SafeString) {
    return str;
  }

  str = str === null || str === undefined ? '' : str;
  return r.markSafe(str.toString());
}

exports.safe = safe;

function first(arr) {
  return arr[0];
}

exports.first = first;

function forceescape(str) {
  str = str === null || str === undefined ? '' : str;
  return r.markSafe(lib.escape(str.toString()));
}

exports.forceescape = forceescape;

function groupby(arr, attr) {
  return lib.groupBy(arr, attr, this.env.opts.throwOnUndefined);
}

exports.groupby = groupby;

function indent(str, width, indentfirst) {
  str = normalize(str, '');

  if (str === '') {
    return '';
  }

  width = width || 4; // let res = '';

  var lines = str.split('\n');
  var sp = lib.repeat(' ', width);
  var res = lines.map(function (l, i) {
    return i === 0 && !indentfirst ? l : "" + sp + l;
  }).join('\n');
  return r.copySafeness(str, res);
}

exports.indent = indent;

function join(arr, del, attr) {
  del = del || '';

  if (attr) {
    arr = lib.map(arr, function (v) {
      return v[attr];
    });
  }

  return arr.join(del);
}

exports.join = join;

function last(arr) {
  return arr[arr.length - 1];
}

exports.last = last;

function lengthFilter(val) {
  var value = normalize(val, '');

  if (value !== undefined) {
    if (typeof Map === 'function' && value instanceof Map || typeof Set === 'function' && value instanceof Set) {
      // ECMAScript 2015 Maps and Sets
      return value.size;
    }

    if (lib.isObject(value) && !(value instanceof r.SafeString)) {
      // Objects (besides SafeStrings), non-primative Arrays
      return lib.keys(value).length;
    }

    return value.length;
  }

  return 0;
}

exports.length = lengthFilter;

function list(val) {
  if (lib.isString(val)) {
    return val.split('');
  } else if (lib.isObject(val)) {
    return lib._entries(val || {}).map(function (_ref) {
      var key = _ref[0],
          value = _ref[1];
      return {
        key: key,
        value: value
      };
    });
  } else if (lib.isArray(val)) {
    return val;
  } else {
    throw new lib.TemplateError('list filter: type not iterable');
  }
}

exports.list = list;

function lower(str) {
  str = normalize(str, '');
  return str.toLowerCase();
}

exports.lower = lower;

function nl2br(str) {
  if (str === null || str === undefined) {
    return '';
  }

  return r.copySafeness(str, str.replace(/\r\n|\n/g, '<br />\n'));
}

exports.nl2br = nl2br;

function random(arr) {
  return arr[Math.floor(Math.random() * arr.length)];
}

exports.random = random;
/**
 * Construct select or reject filter
 *
 * @param {boolean} expectedTestResult
 * @returns {function(array, string, *): array}
 */

function getSelectOrReject(expectedTestResult) {
  function filter(arr, testName, secondArg) {
    if (testName === void 0) {
      testName = 'truthy';
    }

    var context = this;
    var test = context.env.getTest(testName);
    return lib.toArray(arr).filter(function examineTestResult(item) {
      return test.call(context, item, secondArg) === expectedTestResult;
    });
  }

  return filter;
}

exports.reject = getSelectOrReject(false);

function rejectattr(arr, attr) {
  return arr.filter(function (item) {
    return !item[attr];
  });
}

exports.rejectattr = rejectattr;
exports.select = getSelectOrReject(true);

function selectattr(arr, attr) {
  return arr.filter(function (item) {
    return !!item[attr];
  });
}

exports.selectattr = selectattr;

function replace(str, old, new_, maxCount) {
  var originalStr = str;

  if (old instanceof RegExp) {
    return str.replace(old, new_);
  }

  if (typeof maxCount === 'undefined') {
    maxCount = -1;
  }

  var res = ''; // Output
  // Cast Numbers in the search term to string

  if (typeof old === 'number') {
    old = '' + old;
  } else if (typeof old !== 'string') {
    // If it is something other than number or string,
    // return the original string
    return str;
  } // Cast numbers in the replacement to string


  if (typeof str === 'number') {
    str = '' + str;
  } // If by now, we don't have a string, throw it back


  if (typeof str !== 'string' && !(str instanceof r.SafeString)) {
    return str;
  } // ShortCircuits


  if (old === '') {
    // Mimic the python behaviour: empty string is replaced
    // by replacement e.g. "abc"|replace("", ".") -> .a.b.c.
    res = new_ + str.split('').join(new_) + new_;
    return r.copySafeness(str, res);
  }

  var nextIndex = str.indexOf(old); // if # of replacements to perform is 0, or the string to does
  // not contain the old value, return the string

  if (maxCount === 0 || nextIndex === -1) {
    return str;
  }

  var pos = 0;
  var count = 0; // # of replacements made

  while (nextIndex > -1 && (maxCount === -1 || count < maxCount)) {
    // Grab the next chunk of src string and add it with the
    // replacement, to the result
    res += str.substring(pos, nextIndex) + new_; // Increment our pointer in the src string

    pos = nextIndex + old.length;
    count++; // See if there are any more replacements to be made

    nextIndex = str.indexOf(old, pos);
  } // We've either reached the end, or done the max # of
  // replacements, tack on any remaining string


  if (pos < str.length) {
    res += str.substring(pos);
  }

  return r.copySafeness(originalStr, res);
}

exports.replace = replace;

function reverse(val) {
  var arr;

  if (lib.isString(val)) {
    arr = list(val);
  } else {
    // Copy it
    arr = lib.map(val, function (v) {
      return v;
    });
  }

  arr.reverse();

  if (lib.isString(val)) {
    return r.copySafeness(val, arr.join(''));
  }

  return arr;
}

exports.reverse = reverse;

function round(val, precision, method) {
  precision = precision || 0;
  var factor = Math.pow(10, precision);
  var rounder;

  if (method === 'ceil') {
    rounder = Math.ceil;
  } else if (method === 'floor') {
    rounder = Math.floor;
  } else {
    rounder = Math.round;
  }

  return rounder(val * factor) / factor;
}

exports.round = round;

function slice(arr, slices, fillWith) {
  var sliceLength = Math.floor(arr.length / slices);
  var extra = arr.length % slices;
  var res = [];
  var offset = 0;

  for (var i = 0; i < slices; i++) {
    var start = offset + i * sliceLength;

    if (i < extra) {
      offset++;
    }

    var end = offset + (i + 1) * sliceLength;
    var currSlice = arr.slice(start, end);

    if (fillWith && i >= extra) {
      currSlice.push(fillWith);
    }

    res.push(currSlice);
  }

  return res;
}

exports.slice = slice;

function sum(arr, attr, start) {
  if (start === void 0) {
    start = 0;
  }

  if (attr) {
    arr = lib.map(arr, function (v) {
      return v[attr];
    });
  }

  return start + arr.reduce(function (a, b) {
    return a + b;
  }, 0);
}

exports.sum = sum;
exports.sort = r.makeMacro(['value', 'reverse', 'case_sensitive', 'attribute'], [], function sortFilter(arr, reversed, caseSens, attr) {
  var _this = this;

  // Copy it
  var array = lib.map(arr, function (v) {
    return v;
  });
  var getAttribute = lib.getAttrGetter(attr);
  array.sort(function (a, b) {
    var x = attr ? getAttribute(a) : a;
    var y = attr ? getAttribute(b) : b;

    if (_this.env.opts.throwOnUndefined && attr && (x === undefined || y === undefined)) {
      throw new TypeError("sort: attribute \"" + attr + "\" resolved to undefined");
    }

    if (!caseSens && lib.isString(x) && lib.isString(y)) {
      x = x.toLowerCase();
      y = y.toLowerCase();
    }

    if (x < y) {
      return reversed ? 1 : -1;
    } else if (x > y) {
      return reversed ? -1 : 1;
    } else {
      return 0;
    }
  });
  return array;
});

function string(obj) {
  return r.copySafeness(obj, obj);
}

exports.string = string;

function striptags(input, preserveLinebreaks) {
  input = normalize(input, '');
  var tags = /<\/?([a-z][a-z0-9]*)\b[^>]*>|<!--[\s\S]*?-->/gi;
  var trimmedInput = trim(input.replace(tags, ''));
  var res = '';

  if (preserveLinebreaks) {
    res = trimmedInput.replace(/^ +| +$/gm, '') // remove leading and trailing spaces
    .replace(/ +/g, ' ') // squash adjacent spaces
    .replace(/(\r\n)/g, '\n') // normalize linebreaks (CRLF -> LF)
    .replace(/\n\n\n+/g, '\n\n'); // squash abnormal adjacent linebreaks
  } else {
    res = trimmedInput.replace(/\s+/gi, ' ');
  }

  return r.copySafeness(input, res);
}

exports.striptags = striptags;

function title(str) {
  str = normalize(str, '');
  var words = str.split(' ').map(function (word) {
    return capitalize(word);
  });
  return r.copySafeness(str, words.join(' '));
}

exports.title = title;

function trim(str) {
  return r.copySafeness(str, str.replace(/^\s*|\s*$/g, ''));
}

exports.trim = trim;

function truncate(input, length, killwords, end) {
  var orig = input;
  input = normalize(input, '');
  length = length || 255;

  if (input.length <= length) {
    return input;
  }

  if (killwords) {
    input = input.substring(0, length);
  } else {
    var idx = input.lastIndexOf(' ', length);

    if (idx === -1) {
      idx = length;
    }

    input = input.substring(0, idx);
  }

  input += end !== undefined && end !== null ? end : '...';
  return r.copySafeness(orig, input);
}

exports.truncate = truncate;

function upper(str) {
  str = normalize(str, '');
  return str.toUpperCase();
}

exports.upper = upper;

function urlencode(obj) {
  var enc = encodeURIComponent;

  if (lib.isString(obj)) {
    return enc(obj);
  } else {
    var keyvals = lib.isArray(obj) ? obj : lib._entries(obj);
    return keyvals.map(function (_ref2) {
      var k = _ref2[0],
          v = _ref2[1];
      return enc(k) + "=" + enc(v);
    }).join('&');
  }
}

exports.urlencode = urlencode; // For the jinja regexp, see
// https://github.com/mitsuhiko/jinja2/blob/f15b814dcba6aa12bc74d1f7d0c881d55f7126be/jinja2/utils.py#L20-L23

var puncRe = /^(?:\(|<|&lt;)?(.*?)(?:\.|,|\)|\n|&gt;)?$/; // from http://blog.gerv.net/2011/05/html5_email_address_regexp/

var emailRe = /^[\w.!#$%&'*+\-\/=?\^`{|}~]+@[a-z\d\-]+(\.[a-z\d\-]+)+$/i;
var httpHttpsRe = /^https?:\/\/.*$/;
var wwwRe = /^www\./;
var tldRe = /\.(?:org|net|com)(?:\:|\/|$)/;

function urlize(str, length, nofollow) {
  if (isNaN(length)) {
    length = Infinity;
  }

  var noFollowAttr = nofollow === true ? ' rel="nofollow"' : '';
  var words = str.split(/(\s+)/).filter(function (word) {
    // If the word has no length, bail. This can happen for str with
    // trailing whitespace.
    return word && word.length;
  }).map(function (word) {
    var matches = word.match(puncRe);
    var possibleUrl = matches ? matches[1] : word;
    var shortUrl = possibleUrl.substr(0, length); // url that starts with http or https

    if (httpHttpsRe.test(possibleUrl)) {
      return "<a href=\"" + possibleUrl + "\"" + noFollowAttr + ">" + shortUrl + "</a>";
    } // url that starts with www.


    if (wwwRe.test(possibleUrl)) {
      return "<a href=\"http://" + possibleUrl + "\"" + noFollowAttr + ">" + shortUrl + "</a>";
    } // an email address of the form username@domain.tld


    if (emailRe.test(possibleUrl)) {
      return "<a href=\"mailto:" + possibleUrl + "\">" + possibleUrl + "</a>";
    } // url that ends in .com, .org or .net that is not an email address


    if (tldRe.test(possibleUrl)) {
      return "<a href=\"http://" + possibleUrl + "\"" + noFollowAttr + ">" + shortUrl + "</a>";
    }

    return word;
  });
  return words.join('');
}

exports.urlize = urlize;

function wordcount(str) {
  str = normalize(str, '');
  var words = str ? str.match(/\w+/g) : null;
  return words ? words.length : null;
}

exports.wordcount = wordcount;

function float(val, def) {
  var res = parseFloat(val);
  return isNaN(res) ? def : res;
}

exports.float = float;
var intFilter = r.makeMacro(['value', 'default', 'base'], [], function doInt(value, defaultValue, base) {
  if (base === void 0) {
    base = 10;
  }

  var res = parseInt(value, base);
  return isNaN(res) ? defaultValue : res;
});
exports.int = intFilter; // Aliases

exports.d = exports.default;
exports.e = exports.escape;

/***/ }),
/* 13 */
/***/ (function(module, exports, __webpack_require__) {

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



var R = typeof Reflect === 'object' ? Reflect : null
var ReflectApply = R && typeof R.apply === 'function'
  ? R.apply
  : function ReflectApply(target, receiver, args) {
    return Function.prototype.apply.call(target, receiver, args);
  }

var ReflectOwnKeys
if (R && typeof R.ownKeys === 'function') {
  ReflectOwnKeys = R.ownKeys
} else if (Object.getOwnPropertySymbols) {
  ReflectOwnKeys = function ReflectOwnKeys(target) {
    return Object.getOwnPropertyNames(target)
      .concat(Object.getOwnPropertySymbols(target));
  };
} else {
  ReflectOwnKeys = function ReflectOwnKeys(target) {
    return Object.getOwnPropertyNames(target);
  };
}

function ProcessEmitWarning(warning) {
  if (console && console.warn) console.warn(warning);
}

var NumberIsNaN = Number.isNaN || function NumberIsNaN(value) {
  return value !== value;
}

function EventEmitter() {
  EventEmitter.init.call(this);
}
module.exports = EventEmitter;
module.exports.once = once;

// Backwards-compat with node 0.10.x
EventEmitter.EventEmitter = EventEmitter;

EventEmitter.prototype._events = undefined;
EventEmitter.prototype._eventsCount = 0;
EventEmitter.prototype._maxListeners = undefined;

// By default EventEmitters will print a warning if more than 10 listeners are
// added to it. This is a useful default which helps finding memory leaks.
var defaultMaxListeners = 10;

function checkListener(listener) {
  if (typeof listener !== 'function') {
    throw new TypeError('The "listener" argument must be of type Function. Received type ' + typeof listener);
  }
}

Object.defineProperty(EventEmitter, 'defaultMaxListeners', {
  enumerable: true,
  get: function() {
    return defaultMaxListeners;
  },
  set: function(arg) {
    if (typeof arg !== 'number' || arg < 0 || NumberIsNaN(arg)) {
      throw new RangeError('The value of "defaultMaxListeners" is out of range. It must be a non-negative number. Received ' + arg + '.');
    }
    defaultMaxListeners = arg;
  }
});

EventEmitter.init = function() {

  if (this._events === undefined ||
      this._events === Object.getPrototypeOf(this)._events) {
    this._events = Object.create(null);
    this._eventsCount = 0;
  }

  this._maxListeners = this._maxListeners || undefined;
};

// Obviously not all Emitters should be limited to 10. This function allows
// that to be increased. Set to zero for unlimited.
EventEmitter.prototype.setMaxListeners = function setMaxListeners(n) {
  if (typeof n !== 'number' || n < 0 || NumberIsNaN(n)) {
    throw new RangeError('The value of "n" is out of range. It must be a non-negative number. Received ' + n + '.');
  }
  this._maxListeners = n;
  return this;
};

function _getMaxListeners(that) {
  if (that._maxListeners === undefined)
    return EventEmitter.defaultMaxListeners;
  return that._maxListeners;
}

EventEmitter.prototype.getMaxListeners = function getMaxListeners() {
  return _getMaxListeners(this);
};

EventEmitter.prototype.emit = function emit(type) {
  var args = [];
  for (var i = 1; i < arguments.length; i++) args.push(arguments[i]);
  var doError = (type === 'error');

  var events = this._events;
  if (events !== undefined)
    doError = (doError && events.error === undefined);
  else if (!doError)
    return false;

  // If there is no 'error' event listener then throw.
  if (doError) {
    var er;
    if (args.length > 0)
      er = args[0];
    if (er instanceof Error) {
      // Note: The comments on the `throw` lines are intentional, they show
      // up in Node's output if this results in an unhandled exception.
      throw er; // Unhandled 'error' event
    }
    // At least give some kind of context to the user
    var err = new Error('Unhandled error.' + (er ? ' (' + er.message + ')' : ''));
    err.context = er;
    throw err; // Unhandled 'error' event
  }

  var handler = events[type];

  if (handler === undefined)
    return false;

  if (typeof handler === 'function') {
    ReflectApply(handler, this, args);
  } else {
    var len = handler.length;
    var listeners = arrayClone(handler, len);
    for (var i = 0; i < len; ++i)
      ReflectApply(listeners[i], this, args);
  }

  return true;
};

function _addListener(target, type, listener, prepend) {
  var m;
  var events;
  var existing;

  checkListener(listener);

  events = target._events;
  if (events === undefined) {
    events = target._events = Object.create(null);
    target._eventsCount = 0;
  } else {
    // To avoid recursion in the case that type === "newListener"! Before
    // adding it to the listeners, first emit "newListener".
    if (events.newListener !== undefined) {
      target.emit('newListener', type,
                  listener.listener ? listener.listener : listener);

      // Re-assign `events` because a newListener handler could have caused the
      // this._events to be assigned to a new object
      events = target._events;
    }
    existing = events[type];
  }

  if (existing === undefined) {
    // Optimize the case of one listener. Don't need the extra array object.
    existing = events[type] = listener;
    ++target._eventsCount;
  } else {
    if (typeof existing === 'function') {
      // Adding the second element, need to change to array.
      existing = events[type] =
        prepend ? [listener, existing] : [existing, listener];
      // If we've already got an array, just append.
    } else if (prepend) {
      existing.unshift(listener);
    } else {
      existing.push(listener);
    }

    // Check for listener leak
    m = _getMaxListeners(target);
    if (m > 0 && existing.length > m && !existing.warned) {
      existing.warned = true;
      // No error code for this since it is a Warning
      // eslint-disable-next-line no-restricted-syntax
      var w = new Error('Possible EventEmitter memory leak detected. ' +
                          existing.length + ' ' + String(type) + ' listeners ' +
                          'added. Use emitter.setMaxListeners() to ' +
                          'increase limit');
      w.name = 'MaxListenersExceededWarning';
      w.emitter = target;
      w.type = type;
      w.count = existing.length;
      ProcessEmitWarning(w);
    }
  }

  return target;
}

EventEmitter.prototype.addListener = function addListener(type, listener) {
  return _addListener(this, type, listener, false);
};

EventEmitter.prototype.on = EventEmitter.prototype.addListener;

EventEmitter.prototype.prependListener =
    function prependListener(type, listener) {
      return _addListener(this, type, listener, true);
    };

function onceWrapper() {
  if (!this.fired) {
    this.target.removeListener(this.type, this.wrapFn);
    this.fired = true;
    if (arguments.length === 0)
      return this.listener.call(this.target);
    return this.listener.apply(this.target, arguments);
  }
}

function _onceWrap(target, type, listener) {
  var state = { fired: false, wrapFn: undefined, target: target, type: type, listener: listener };
  var wrapped = onceWrapper.bind(state);
  wrapped.listener = listener;
  state.wrapFn = wrapped;
  return wrapped;
}

EventEmitter.prototype.once = function once(type, listener) {
  checkListener(listener);
  this.on(type, _onceWrap(this, type, listener));
  return this;
};

EventEmitter.prototype.prependOnceListener =
    function prependOnceListener(type, listener) {
      checkListener(listener);
      this.prependListener(type, _onceWrap(this, type, listener));
      return this;
    };

// Emits a 'removeListener' event if and only if the listener was removed.
EventEmitter.prototype.removeListener =
    function removeListener(type, listener) {
      var list, events, position, i, originalListener;

      checkListener(listener);

      events = this._events;
      if (events === undefined)
        return this;

      list = events[type];
      if (list === undefined)
        return this;

      if (list === listener || list.listener === listener) {
        if (--this._eventsCount === 0)
          this._events = Object.create(null);
        else {
          delete events[type];
          if (events.removeListener)
            this.emit('removeListener', type, list.listener || listener);
        }
      } else if (typeof list !== 'function') {
        position = -1;

        for (i = list.length - 1; i >= 0; i--) {
          if (list[i] === listener || list[i].listener === listener) {
            originalListener = list[i].listener;
            position = i;
            break;
          }
        }

        if (position < 0)
          return this;

        if (position === 0)
          list.shift();
        else {
          spliceOne(list, position);
        }

        if (list.length === 1)
          events[type] = list[0];

        if (events.removeListener !== undefined)
          this.emit('removeListener', type, originalListener || listener);
      }

      return this;
    };

EventEmitter.prototype.off = EventEmitter.prototype.removeListener;

EventEmitter.prototype.removeAllListeners =
    function removeAllListeners(type) {
      var listeners, events, i;

      events = this._events;
      if (events === undefined)
        return this;

      // not listening for removeListener, no need to emit
      if (events.removeListener === undefined) {
        if (arguments.length === 0) {
          this._events = Object.create(null);
          this._eventsCount = 0;
        } else if (events[type] !== undefined) {
          if (--this._eventsCount === 0)
            this._events = Object.create(null);
          else
            delete events[type];
        }
        return this;
      }

      // emit removeListener for all listeners on all events
      if (arguments.length === 0) {
        var keys = Object.keys(events);
        var key;
        for (i = 0; i < keys.length; ++i) {
          key = keys[i];
          if (key === 'removeListener') continue;
          this.removeAllListeners(key);
        }
        this.removeAllListeners('removeListener');
        this._events = Object.create(null);
        this._eventsCount = 0;
        return this;
      }

      listeners = events[type];

      if (typeof listeners === 'function') {
        this.removeListener(type, listeners);
      } else if (listeners !== undefined) {
        // LIFO order
        for (i = listeners.length - 1; i >= 0; i--) {
          this.removeListener(type, listeners[i]);
        }
      }

      return this;
    };

function _listeners(target, type, unwrap) {
  var events = target._events;

  if (events === undefined)
    return [];

  var evlistener = events[type];
  if (evlistener === undefined)
    return [];

  if (typeof evlistener === 'function')
    return unwrap ? [evlistener.listener || evlistener] : [evlistener];

  return unwrap ?
    unwrapListeners(evlistener) : arrayClone(evlistener, evlistener.length);
}

EventEmitter.prototype.listeners = function listeners(type) {
  return _listeners(this, type, true);
};

EventEmitter.prototype.rawListeners = function rawListeners(type) {
  return _listeners(this, type, false);
};

EventEmitter.listenerCount = function(emitter, type) {
  if (typeof emitter.listenerCount === 'function') {
    return emitter.listenerCount(type);
  } else {
    return listenerCount.call(emitter, type);
  }
};

EventEmitter.prototype.listenerCount = listenerCount;
function listenerCount(type) {
  var events = this._events;

  if (events !== undefined) {
    var evlistener = events[type];

    if (typeof evlistener === 'function') {
      return 1;
    } else if (evlistener !== undefined) {
      return evlistener.length;
    }
  }

  return 0;
}

EventEmitter.prototype.eventNames = function eventNames() {
  return this._eventsCount > 0 ? ReflectOwnKeys(this._events) : [];
};

function arrayClone(arr, n) {
  var copy = new Array(n);
  for (var i = 0; i < n; ++i)
    copy[i] = arr[i];
  return copy;
}

function spliceOne(list, index) {
  for (; index + 1 < list.length; index++)
    list[index] = list[index + 1];
  list.pop();
}

function unwrapListeners(arr) {
  var ret = new Array(arr.length);
  for (var i = 0; i < ret.length; ++i) {
    ret[i] = arr[i].listener || arr[i];
  }
  return ret;
}

function once(emitter, name) {
  return new Promise(function (resolve, reject) {
    function eventListener() {
      if (errorListener !== undefined) {
        emitter.removeListener('error', errorListener);
      }
      resolve([].slice.call(arguments));
    };
    var errorListener;

    // Adding an error listener is not optional because
    // if an error is thrown on an event emitter we cannot
    // guarantee that the actual event we are waiting will
    // be fired. The result could be a silent way to create
    // memory or file descriptor leaks, which is something
    // we should avoid.
    if (name !== 'error') {
      errorListener = function errorListener(err) {
        emitter.removeListener(name, eventListener);
        reject(err);
      };

      emitter.once('error', errorListener);
    }

    emitter.once(name, eventListener);
  });
}


/***/ }),
/* 14 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


var SafeString = __webpack_require__(2).SafeString;
/**
 * Returns `true` if the object is a function, otherwise `false`.
 * @param { any } value
 * @returns { boolean }
 */


function callable(value) {
  return typeof value === 'function';
}

exports.callable = callable;
/**
 * Returns `true` if the object is strictly not `undefined`.
 * @param { any } value
 * @returns { boolean }
 */

function defined(value) {
  return value !== undefined;
}

exports.defined = defined;
/**
 * Returns `true` if the operand (one) is divisble by the test's argument
 * (two).
 * @param { number } one
 * @param { number } two
 * @returns { boolean }
 */

function divisibleby(one, two) {
  return one % two === 0;
}

exports.divisibleby = divisibleby;
/**
 * Returns true if the string has been escaped (i.e., is a SafeString).
 * @param { any } value
 * @returns { boolean }
 */

function escaped(value) {
  return value instanceof SafeString;
}

exports.escaped = escaped;
/**
 * Returns `true` if the arguments are strictly equal.
 * @param { any } one
 * @param { any } two
 */

function equalto(one, two) {
  return one === two;
}

exports.equalto = equalto; // Aliases

exports.eq = exports.equalto;
exports.sameas = exports.equalto;
/**
 * Returns `true` if the value is evenly divisible by 2.
 * @param { number } value
 * @returns { boolean }
 */

function even(value) {
  return value % 2 === 0;
}

exports.even = even;
/**
 * Returns `true` if the value is falsy - if I recall correctly, '', 0, false,
 * undefined, NaN or null. I don't know if we should stick to the default JS
 * behavior or attempt to replicate what Python believes should be falsy (i.e.,
 * empty arrays, empty dicts, not 0...).
 * @param { any } value
 * @returns { boolean }
 */

function falsy(value) {
  return !value;
}

exports.falsy = falsy;
/**
 * Returns `true` if the operand (one) is greater or equal to the test's
 * argument (two).
 * @param { number } one
 * @param { number } two
 * @returns { boolean }
 */

function ge(one, two) {
  return one >= two;
}

exports.ge = ge;
/**
 * Returns `true` if the operand (one) is greater than the test's argument
 * (two).
 * @param { number } one
 * @param { number } two
 * @returns { boolean }
 */

function greaterthan(one, two) {
  return one > two;
}

exports.greaterthan = greaterthan; // alias

exports.gt = exports.greaterthan;
/**
 * Returns `true` if the operand (one) is less than or equal to the test's
 * argument (two).
 * @param { number } one
 * @param { number } two
 * @returns { boolean }
 */

function le(one, two) {
  return one <= two;
}

exports.le = le;
/**
 * Returns `true` if the operand (one) is less than the test's passed argument
 * (two).
 * @param { number } one
 * @param { number } two
 * @returns { boolean }
 */

function lessthan(one, two) {
  return one < two;
}

exports.lessthan = lessthan; // alias

exports.lt = exports.lessthan;
/**
 * Returns `true` if the string is lowercased.
 * @param { string } value
 * @returns { boolean }
 */

function lower(value) {
  return value.toLowerCase() === value;
}

exports.lower = lower;
/**
 * Returns `true` if the operand (one) is less than or equal to the test's
 * argument (two).
 * @param { number } one
 * @param { number } two
 * @returns { boolean }
 */

function ne(one, two) {
  return one !== two;
}

exports.ne = ne;
/**
 * Returns true if the value is strictly equal to `null`.
 * @param { any }
 * @returns { boolean }
 */

function nullTest(value) {
  return value === null;
}

exports.null = nullTest;
/**
 * Returns true if value is a number.
 * @param { any }
 * @returns { boolean }
 */

function number(value) {
  return typeof value === 'number';
}

exports.number = number;
/**
 * Returns `true` if the value is *not* evenly divisible by 2.
 * @param { number } value
 * @returns { boolean }
 */

function odd(value) {
  return value % 2 === 1;
}

exports.odd = odd;
/**
 * Returns `true` if the value is a string, `false` if not.
 * @param { any } value
 * @returns { boolean }
 */

function string(value) {
  return typeof value === 'string';
}

exports.string = string;
/**
 * Returns `true` if the value is not in the list of things considered falsy:
 * '', null, undefined, 0, NaN and false.
 * @param { any } value
 * @returns { boolean }
 */

function truthy(value) {
  return !!value;
}

exports.truthy = truthy;
/**
 * Returns `true` if the value is undefined.
 * @param { any } value
 * @returns { boolean }
 */

function undefinedTest(value) {
  return value === undefined;
}

exports.undefined = undefinedTest;
/**
 * Returns `true` if the string is uppercased.
 * @param { string } value
 * @returns { boolean }
 */

function upper(value) {
  return value.toUpperCase() === value;
}

exports.upper = upper;
/**
 * If ES6 features are available, returns `true` if the value implements the
 * `Symbol.iterator` method. If not, it's a string or Array.
 *
 * Could potentially cause issues if a browser exists that has Set and Map but
 * not Symbol.
 *
 * @param { any } value
 * @returns { boolean }
 */

function iterable(value) {
  if (typeof Symbol !== 'undefined') {
    return !!value[Symbol.iterator];
  } else {
    return Array.isArray(value) || typeof value === 'string';
  }
}

exports.iterable = iterable;
/**
 * If ES6 features are available, returns `true` if the value is an object hash
 * or an ES6 Map. Otherwise just return if it's an object hash.
 * @param { any } value
 * @returns { boolean }
 */

function mapping(value) {
  // only maps and object hashes
  var bool = value !== null && value !== undefined && typeof value === 'object' && !Array.isArray(value);

  if (Set) {
    return bool && !(value instanceof Set);
  } else {
    return bool;
  }
}

exports.mapping = mapping;

/***/ }),
/* 15 */
/***/ (function(module, exports, __webpack_require__) {

"use strict";


function _cycler(items) {
  var index = -1;
  return {
    current: null,
    reset: function reset() {
      index = -1;
      this.current = null;
    },
    next: function next() {
      index++;

      if (index >= items.length) {
        index = 0;
      }

      this.current = items[index];
      return this.current;
    }
  };
}

function _joiner(sep) {
  sep = sep || ',';
  var first = true;
  return function () {
    var val = first ? '' : sep;
    first = false;
    return val;
  };
} // Making this a function instead so it returns a new object
// each time it's called. That way, if something like an environment
// uses it, they will each have their own copy.


function globals() {
  return {
    range: function range(start, stop, step) {
      if (typeof stop === 'undefined') {
        stop = start;
        start = 0;
        step = 1;
      } else if (!step) {
        step = 1;
      }

      var arr = [];

      if (step > 0) {
        for (var i = start; i < stop; i += step) {
          arr.push(i);
        }
      } else {
        for (var _i = start; _i > stop; _i += step) {
          // eslint-disable-line for-direction
          arr.push(_i);
        }
      }

      return arr;
    },
    cycler: function cycler() {
      return _cycler(Array.prototype.slice.call(arguments));
    },
    joiner: function joiner(sep) {
      return _joiner(sep);
    }
  };
}

module.exports = globals;

/***/ }),
/* 16 */
/***/ (function(module, exports, __webpack_require__) {

var path = __webpack_require__(0);

module.exports = function express(env, app) {
  function NunjucksView(name, opts) {
    this.name = name;
    this.path = name;
    this.defaultEngine = opts.defaultEngine;
    this.ext = path.extname(name);

    if (!this.ext && !this.defaultEngine) {
      throw new Error('No default engine was specified and no extension was provided.');
    }

    if (!this.ext) {
      this.name += this.ext = (this.defaultEngine[0] !== '.' ? '.' : '') + this.defaultEngine;
    }
  }

  NunjucksView.prototype.render = function render(opts, cb) {
    env.render(this.name, opts, cb);
  };

  app.set('view', NunjucksView);
  app.set('nunjucksEnv', env);
  return env;
};

/***/ }),
/* 17 */
/***/ (function(module, exports, __webpack_require__) {

function installCompat() {
  'use strict';
  /* eslint-disable camelcase */
  // This must be called like `nunjucks.installCompat` so that `this`
  // references the nunjucks instance

  var runtime = this.runtime;
  var lib = this.lib; // Handle slim case where these 'modules' are excluded from the built source

  var Compiler = this.compiler.Compiler;
  var Parser = this.parser.Parser;
  var nodes = this.nodes;
  var lexer = this.lexer;
  var orig_contextOrFrameLookup = runtime.contextOrFrameLookup;
  var orig_memberLookup = runtime.memberLookup;
  var orig_Compiler_assertType;
  var orig_Parser_parseAggregate;

  if (Compiler) {
    orig_Compiler_assertType = Compiler.prototype.assertType;
  }

  if (Parser) {
    orig_Parser_parseAggregate = Parser.prototype.parseAggregate;
  }

  function uninstall() {
    runtime.contextOrFrameLookup = orig_contextOrFrameLookup;
    runtime.memberLookup = orig_memberLookup;

    if (Compiler) {
      Compiler.prototype.assertType = orig_Compiler_assertType;
    }

    if (Parser) {
      Parser.prototype.parseAggregate = orig_Parser_parseAggregate;
    }
  }

  runtime.contextOrFrameLookup = function contextOrFrameLookup(context, frame, key) {
    var val = orig_contextOrFrameLookup.apply(this, arguments);

    if (val !== undefined) {
      return val;
    }

    switch (key) {
      case 'True':
        return true;

      case 'False':
        return false;

      case 'None':
        return null;

      default:
        return undefined;
    }
  };

  function getTokensState(tokens) {
    return {
      index: tokens.index,
      lineno: tokens.lineno,
      colno: tokens.colno
    };
  }

  if (false) {
    // i.e., not slim mode
    var Slice = nodes.Node.extend('Slice', {
      fields: ['start', 'stop', 'step'],
      init: function init(lineno, colno, start, stop, step) {
        start = start || new nodes.Literal(lineno, colno, null);
        stop = stop || new nodes.Literal(lineno, colno, null);
        step = step || new nodes.Literal(lineno, colno, 1);
        this.parent(lineno, colno, start, stop, step);
      }
    });

    Compiler.prototype.assertType = function assertType(node) {
      if (node instanceof Slice) {
        return;
      }

      orig_Compiler_assertType.apply(this, arguments);
    };

    Compiler.prototype.compileSlice = function compileSlice(node, frame) {
      this._emit('(');

      this._compileExpression(node.start, frame);

      this._emit('),(');

      this._compileExpression(node.stop, frame);

      this._emit('),(');

      this._compileExpression(node.step, frame);

      this._emit(')');
    };

    Parser.prototype.parseAggregate = function parseAggregate() {
      var _this = this;

      var origState = getTokensState(this.tokens); // Set back one accounting for opening bracket/parens

      origState.colno--;
      origState.index--;

      try {
        return orig_Parser_parseAggregate.apply(this);
      } catch (e) {
        var errState = getTokensState(this.tokens);

        var rethrow = function rethrow() {
          lib._assign(_this.tokens, errState);

          return e;
        }; // Reset to state before original parseAggregate called


        lib._assign(this.tokens, origState);

        this.peeked = false;
        var tok = this.peekToken();

        if (tok.type !== lexer.TOKEN_LEFT_BRACKET) {
          throw rethrow();
        } else {
          this.nextToken();
        }

        var node = new Slice(tok.lineno, tok.colno); // If we don't encounter a colon while parsing, this is not a slice,
        // so re-raise the original exception.

        var isSlice = false;

        for (var i = 0; i <= node.fields.length; i++) {
          if (this.skip(lexer.TOKEN_RIGHT_BRACKET)) {
            break;
          }

          if (i === node.fields.length) {
            if (isSlice) {
              this.fail('parseSlice: too many slice components', tok.lineno, tok.colno);
            } else {
              break;
            }
          }

          if (this.skip(lexer.TOKEN_COLON)) {
            isSlice = true;
          } else {
            var field = node.fields[i];
            node[field] = this.parseExpression();
            isSlice = this.skip(lexer.TOKEN_COLON) || isSlice;
          }
        }

        if (!isSlice) {
          throw rethrow();
        }

        return new nodes.Array(tok.lineno, tok.colno, [node]);
      }
    };
  }

  function sliceLookup(obj, start, stop, step) {
    obj = obj || [];

    if (start === null) {
      start = step < 0 ? obj.length - 1 : 0;
    }

    if (stop === null) {
      stop = step < 0 ? -1 : obj.length;
    } else if (stop < 0) {
      stop += obj.length;
    }

    if (start < 0) {
      start += obj.length;
    }

    var results = [];

    for (var i = start;; i += step) {
      if (i < 0 || i > obj.length) {
        break;
      }

      if (step > 0 && i >= stop) {
        break;
      }

      if (step < 0 && i <= stop) {
        break;
      }

      results.push(runtime.memberLookup(obj, i));
    }

    return results;
  }

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

  var ARRAY_MEMBERS = {
    pop: function pop(index) {
      if (index === undefined) {
        return this.pop();
      }

      if (index >= this.length || index < 0) {
        throw new Error('KeyError');
      }

      return this.splice(index, 1);
    },
    append: function append(element) {
      return this.push(element);
    },
    remove: function remove(element) {
      for (var i = 0; i < this.length; i++) {
        if (this[i] === element) {
          return this.splice(i, 1);
        }
      }

      throw new Error('ValueError');
    },
    count: function count(element) {
      var count = 0;

      for (var i = 0; i < this.length; i++) {
        if (this[i] === element) {
          count++;
        }
      }

      return count;
    },
    index: function index(element) {
      var i;

      if ((i = this.indexOf(element)) === -1) {
        throw new Error('ValueError');
      }

      return i;
    },
    find: function find(element) {
      return this.indexOf(element);
    },
    insert: function insert(index, elem) {
      return this.splice(index, 0, elem);
    }
  };
  var OBJECT_MEMBERS = {
    items: function items() {
      return lib._entries(this);
    },
    values: function values() {
      return lib._values(this);
    },
    keys: function keys() {
      return lib.keys(this);
    },
    get: function get(key, def) {
      var output = this[key];

      if (output === undefined) {
        output = def;
      }

      return output;
    },
    has_key: function has_key(key) {
      return hasOwnProp(this, key);
    },
    pop: function pop(key, def) {
      var output = this[key];

      if (output === undefined && def !== undefined) {
        output = def;
      } else if (output === undefined) {
        throw new Error('KeyError');
      } else {
        delete this[key];
      }

      return output;
    },
    popitem: function popitem() {
      var keys = lib.keys(this);

      if (!keys.length) {
        throw new Error('KeyError');
      }

      var k = keys[0];
      var val = this[k];
      delete this[k];
      return [k, val];
    },
    setdefault: function setdefault(key, def) {
      if (def === void 0) {
        def = null;
      }

      if (!(key in this)) {
        this[key] = def;
      }

      return this[key];
    },
    update: function update(kwargs) {
      lib._assign(this, kwargs);

      return null; // Always returns None
    }
  };
  OBJECT_MEMBERS.iteritems = OBJECT_MEMBERS.items;
  OBJECT_MEMBERS.itervalues = OBJECT_MEMBERS.values;
  OBJECT_MEMBERS.iterkeys = OBJECT_MEMBERS.keys;

  runtime.memberLookup = function memberLookup(obj, val, autoescape) {
    if (arguments.length === 4) {
      return sliceLookup.apply(this, arguments);
    }

    obj = obj || {}; // If the object is an object, return any of the methods that Python would
    // otherwise provide.

    if (lib.isArray(obj) && hasOwnProp(ARRAY_MEMBERS, val)) {
      return ARRAY_MEMBERS[val].bind(obj);
    }

    if (lib.isObject(obj) && hasOwnProp(OBJECT_MEMBERS, val)) {
      return OBJECT_MEMBERS[val].bind(obj);
    }

    return orig_memberLookup.apply(this, arguments);
  };

  return uninstall;
}

module.exports = installCompat;

/***/ })
/******/ ]);
});
//# sourceMappingURL=nunjucks-slim.js.map