update fullcalendar library

1 files changed, 0 insertions, 3808 deletions

diff --git a/library/fullcalendar/vendor/rrule.js b/library/fullcalendar/vendor/rrule.js
deleted file mode 100644
index 826d9f4f2..000000000
--- a/library/fullcalendar/vendor/rrule.js
+++ /dev/null
@@ -1,3808 +0,0 @@
-(function webpackUniversalModuleDefinition(root, factory) {
-	if(typeof exports === 'object' && typeof module === 'object')
-		module.exports = factory(require("luxon"));
-	else if(typeof define === 'function' && define.amd)
-		define(["luxon"], factory);
-	else if(typeof exports === 'object')
-		exports["rrule"] = factory(require("luxon"));
-	else
-		root["rrule"] = factory(root["luxon"]);
-})(typeof self !== 'undefined' ? self : this, function(__WEBPACK_EXTERNAL_MODULE__3__) {
-return /******/ (function(modules) { // webpackBootstrap
-/******/ 	// The module cache
-/******/ 	var installedModules = {};
-/******/
-/******/ 	// The require function
-/******/ 	function __webpack_require__(moduleId) {
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-/* 0 */
-/***/ (function(module, __webpack_exports__, __webpack_require__) {
-
-"use strict";
-/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "f", function() { return isPresent; });
-/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "e", function() { return isNumber; });
-/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "g", function() { return isWeekdayStr; });
-/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "d", function() { return isArray; });
-/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "k", function() { return range; });
-/* unused harmony export clone */
-/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "l", function() { return repeat; });
-/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "n", function() { return toArray; });
-/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "i", function() { return padStart; });
-/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "m", function() { return split; });
-/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "j", function() { return pymod; });
-/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return divmod; });
-/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "b", function() { return empty; });
-/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "h", function() { return notEmpty; });
-/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "c", function() { return includes; });
-/* harmony import */ var _weekday__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(2);
-// =============================================================================
-// Helper functions
-// =============================================================================
-
-var isPresent = function (value) {
-    return value !== null && value !== undefined;
-};
-var isNumber = function (value) {
-    return typeof value === 'number';
-};
-var isWeekdayStr = function (value) {
-    return _weekday__WEBPACK_IMPORTED_MODULE_0__[/* ALL_WEEKDAYS */ "a"].indexOf(value) >= 0;
-};
-var isArray = Array.isArray;
-/**
- * Simplified version of python's range()
- */
-var range = function (start, end) {
-    if (end === void 0) { end = start; }
-    if (arguments.length === 1) {
-        end = start;
-        start = 0;
-    }
-    var rang = [];
-    for (var i = start; i < end; i++)
-        rang.push(i);
-    return rang;
-};
-var clone = function (array) {
-    return [].concat(array);
-};
-var repeat = function (value, times) {
-    var i = 0;
-    var array = [];
-    if (isArray(value)) {
-        for (; i < times; i++)
-            array[i] = [].concat(value);
-    }
-    else {
-        for (; i < times; i++)
-            array[i] = value;
-    }
-    return array;
-};
-var toArray = function (item) {
-    if (isArray(item)) {
-        return item;
-    }
-    return [item];
-};
-function padStart(item, targetLength, padString) {
-    if (padString === void 0) { padString = ' '; }
-    var str = String(item);
-    targetLength = targetLength >> 0;
-    if (str.length > targetLength) {
-        return String(str);
-    }
-    targetLength = targetLength - str.length;
-    if (targetLength > padString.length) {
-        padString += repeat(padString, targetLength / padString.length);
-    }
-    return padString.slice(0, targetLength) + String(str);
-}
-/**
- * Python like split
- */
-var split = function (str, sep, num) {
-    var splits = str.split(sep);
-    return num
-        ? splits.slice(0, num).concat([splits.slice(num).join(sep)])
-        : splits;
-};
-/**
- * closure/goog/math/math.js:modulo
- * Copyright 2006 The Closure Library Authors.
- * The % operator in JavaScript returns the remainder of a / b, but differs from
- * some other languages in that the result will have the same sign as the
- * dividend. For example, -1 % 8 == -1, whereas in some other languages
- * (such as Python) the result would be 7. This function emulates the more
- * correct modulo behavior, which is useful for certain applications such as
- * calculating an offset index in a circular list.
- *
- * @param {number} a The dividend.
- * @param {number} b The divisor.
- * @return {number} a % b where the result is between 0 and b (either 0 <= x < b
- *     or b < x <= 0, depending on the sign of b).
- */
-var pymod = function (a, b) {
-    var r = a % b;
-    // If r and b differ in sign, add b to wrap the result to the correct sign.
-    return r * b < 0 ? r + b : r;
-};
-/**
- * @see: <http://docs.python.org/library/functions.html#divmod>
- */
-var divmod = function (a, b) {
-    return { div: Math.floor(a / b), mod: pymod(a, b) };
-};
-var empty = function (obj) {
-    return !isPresent(obj) || obj.length === 0;
-};
-/**
- * Python-like boolean
- * @return {Boolean} value of an object/primitive, taking into account
- * the fact that in Python an empty list's/tuple's
- * boolean value is False, whereas in JS it's true
- */
-var notEmpty = function (obj) {
-    return !empty(obj);
-};
-/**
- * Return true if a value is in an array
- */
-var includes = function (arr, val) {
-    return notEmpty(arr) && arr.indexOf(val) !== -1;
-};
-
-
-/***/ }),
-/* 1 */
-/***/ (function(module, __webpack_exports__, __webpack_require__) {
-
-"use strict";
-__webpack_require__.r(__webpack_exports__);
-
-// EXTERNAL MODULE: ./src/helpers.ts
-var helpers = __webpack_require__(0);
-
-// CONCATENATED MODULE: ./src/dateutil.ts
-
-/**
- * General date-related utilities.
- * Also handles several incompatibilities between JavaScript and Python
- *
- */
-var dateutil_dateutil;
-(function (dateutil) {
-    dateutil.MONTH_DAYS = [31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31];
-    /**
-     * Number of milliseconds of one day
-     */
-    dateutil.ONE_DAY = 1000 * 60 * 60 * 24;
-    /**
-     * @see: <http://docs.python.org/library/datetime.html#datetime.MAXYEAR>
-     */
-    dateutil.MAXYEAR = 9999;
-    /**
-     * Python uses 1-Jan-1 as the base for calculating ordinals but we don't
-     * want to confuse the JS engine with milliseconds > Number.MAX_NUMBER,
-     * therefore we use 1-Jan-1970 instead
-     */
-    dateutil.ORDINAL_BASE = new Date(Date.UTC(1970, 0, 1));
-    /**
-     * Python: MO-SU: 0 - 6
-     * JS: SU-SAT 0 - 6
-     */
-    dateutil.PY_WEEKDAYS = [6, 0, 1, 2, 3, 4, 5];
-    /**
-     * py_date.timetuple()[7]
-     */
-    dateutil.getYearDay = function (date) {
-        var dateNoTime = new Date(date.getUTCFullYear(), date.getUTCMonth(), date.getUTCDate());
-        return (Math.ceil((dateNoTime.valueOf() -
-            new Date(date.getUTCFullYear(), 0, 1).valueOf()) /
-            dateutil.ONE_DAY) + 1);
-    };
-    dateutil.isLeapYear = function (year) {
-        return (year % 4 === 0 && year % 100 !== 0) || year % 400 === 0;
-    };
-    dateutil.isDate = function (value) {
-        return value instanceof Date;
-    };
-    dateutil.isValidDate = function (value) {
-        return dateutil.isDate(value) && !isNaN(value.getTime());
-    };
-    /**
-     * @return {Number} the date's timezone offset in ms
-     */
-    dateutil.tzOffset = function (date) {
-        return date.getTimezoneOffset() * 60 * 1000;
-    };
-    /**
-     * @see: <http://www.mcfedries.com/JavaScript/DaysBetween.asp>
-     */
-    dateutil.daysBetween = function (date1, date2) {
-        // The number of milliseconds in one day
-        // Convert both dates to milliseconds
-        var date1ms = date1.getTime() - dateutil.tzOffset(date1);
-        var date2ms = date2.getTime() - dateutil.tzOffset(date2);
-        // Calculate the difference in milliseconds
-        var differencems = date1ms - date2ms;
-        // Convert back to days and return
-        return Math.round(differencems / dateutil.ONE_DAY);
-    };
-    /**
-     * @see: <http://docs.python.org/library/datetime.html#datetime.date.toordinal>
-     */
-    dateutil.toOrdinal = function (date) {
-        return dateutil.daysBetween(date, dateutil.ORDINAL_BASE);
-    };
-    /**
-     * @see - <http://docs.python.org/library/datetime.html#datetime.date.fromordinal>
-     */
-    dateutil.fromOrdinal = function (ordinal) {
-        return new Date(dateutil.ORDINAL_BASE.getTime() + ordinal * dateutil.ONE_DAY);
-    };
-    dateutil.getMonthDays = function (date) {
-        var month = date.getUTCMonth();
-        return month === 1 && dateutil.isLeapYear(date.getUTCFullYear())
-            ? 29
-            : dateutil.MONTH_DAYS[month];
-    };
-    /**
-     * @return {Number} python-like weekday
-     */
-    dateutil.getWeekday = function (date) {
-        return dateutil.PY_WEEKDAYS[date.getUTCDay()];
-    };
-    /**
-     * @see: <http://docs.python.org/library/calendar.html#calendar.monthrange>
-     */
-    dateutil.monthRange = function (year, month) {
-        var date = new Date(Date.UTC(year, month, 1));
-        return [dateutil.getWeekday(date), dateutil.getMonthDays(date)];
-    };
-    /**
-     * @see: <http://docs.python.org/library/datetime.html#datetime.datetime.combine>
-     */
-    dateutil.combine = function (date, time) {
-        time = time || date;
-        return new Date(Date.UTC(date.getUTCFullYear(), date.getUTCMonth(), date.getUTCDate(), time.getHours(), time.getMinutes(), time.getSeconds(), time.getMilliseconds()));
-    };
-    dateutil.clone = function (date) {
-        var dolly = new Date(date.getTime());
-        return dolly;
-    };
-    dateutil.cloneDates = function (dates) {
-        var clones = [];
-        for (var i = 0; i < dates.length; i++) {
-            clones.push(dateutil.clone(dates[i]));
-        }
-        return clones;
-    };
-    /**
-     * Sorts an array of Date or dateutil.Time objects
-     */
-    dateutil.sort = function (dates) {
-        dates.sort(function (a, b) {
-            return a.getTime() - b.getTime();
-        });
-    };
-    dateutil.timeToUntilString = function (time, utc) {
-        if (utc === void 0) { utc = true; }
-        var date = new Date(time);
-        return [
-            Object(helpers["i" /* padStart */])(date.getUTCFullYear().toString(), 4, '0'),
-            Object(helpers["i" /* padStart */])(date.getUTCMonth() + 1, 2, '0'),
-            Object(helpers["i" /* padStart */])(date.getUTCDate(), 2, '0'),
-            'T',
-            Object(helpers["i" /* padStart */])(date.getUTCHours(), 2, '0'),
-            Object(helpers["i" /* padStart */])(date.getUTCMinutes(), 2, '0'),
-            Object(helpers["i" /* padStart */])(date.getUTCSeconds(), 2, '0'),
-            utc ? 'Z' : ''
-        ].join('');
-    };
-    dateutil.untilStringToDate = function (until) {
-        var re = /^(\d{4})(\d{2})(\d{2})(T(\d{2})(\d{2})(\d{2})Z?)?$/;
-        var bits = re.exec(until);
-        if (!bits)
-            throw new Error("Invalid UNTIL value: " + until);
-        return new Date(Date.UTC(parseInt(bits[1], 10), parseInt(bits[2], 10) - 1, parseInt(bits[3], 10), parseInt(bits[5], 10) || 0, parseInt(bits[6], 10) || 0, parseInt(bits[7], 10) || 0));
-    };
-})(dateutil_dateutil || (dateutil_dateutil = {}));
-/* harmony default export */ var src_dateutil = (dateutil_dateutil);
-
-// CONCATENATED MODULE: ./src/iterresult.ts
-/**
- * This class helps us to emulate python's generators, sorta.
- */
-var IterResult = /** @class */ (function () {
-    function IterResult(method, args) {
-        this.minDate = null;
-        this.maxDate = null;
-        this._result = [];
-        this.total = 0;
-        this.method = method;
-        this.args = args;
-        if (method === 'between') {
-            this.maxDate = args.inc
-                ? args.before
-                : new Date(args.before.getTime() - 1);
-            this.minDate = args.inc ? args.after : new Date(args.after.getTime() + 1);
-        }
-        else if (method === 'before') {
-            this.maxDate = args.inc ? args.dt : new Date(args.dt.getTime() - 1);
-        }
-        else if (method === 'after') {
-            this.minDate = args.inc ? args.dt : new Date(args.dt.getTime() + 1);
-        }
-    }
-    /**
-     * Possibly adds a date into the result.
-     *
-     * @param {Date} date - the date isn't necessarly added to the result
-     *                      list (if it is too late/too early)
-     * @return {Boolean} true if it makes sense to continue the iteration
-     *                   false if we're done.
-     */
-    IterResult.prototype.accept = function (date) {
-        ++this.total;
-        var tooEarly = this.minDate && date < this.minDate;
-        var tooLate = this.maxDate && date > this.maxDate;
-        if (this.method === 'between') {
-            if (tooEarly)
-                return true;
-            if (tooLate)
-                return false;
-        }
-        else if (this.method === 'before') {
-            if (tooLate)
-                return false;
-        }
-        else if (this.method === 'after') {
-            if (tooEarly)
-                return true;
-            this.add(date);
-            return false;
-        }
-        return this.add(date);
-    };
-    /**
-     *
-     * @param {Date} date that is part of the result.
-     * @return {Boolean} whether we are interested in more values.
-     */
-    IterResult.prototype.add = function (date) {
-        this._result.push(date);
-        return true;
-    };
-    /**
-     * 'before' and 'after' return only one date, whereas 'all'
-     * and 'between' an array.
-     * @return {Date,Array?}
-     */
-    IterResult.prototype.getValue = function () {
-        var res = this._result;
-        switch (this.method) {
-            case 'all':
-            case 'between':
-                return res;
-            case 'before':
-            case 'after':
-            default:
-                return (res.length ? res[res.length - 1] : null);
-        }
-    };
-    IterResult.prototype.clone = function () {
-        return new IterResult(this.method, this.args);
-    };
-    return IterResult;
-}());
-/* harmony default export */ var iterresult = (IterResult);
-
-// CONCATENATED MODULE: ./node_modules/tslib/tslib.es6.js
-/*! *****************************************************************************

-Copyright (c) Microsoft Corporation. All rights reserved.

-Licensed under the Apache License, Version 2.0 (the "License"); you may not use

-this file except in compliance with the License. You may obtain a copy of the

-License at http://www.apache.org/licenses/LICENSE-2.0

-

-THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

-KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED

-WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,

-MERCHANTABLITY OR NON-INFRINGEMENT.

-

-See the Apache Version 2.0 License for specific language governing permissions

-and limitations under the License.

-***************************************************************************** */

-/* global Reflect, Promise */

-

-var extendStatics = function(d, b) {

-    extendStatics = Object.setPrototypeOf ||

-        ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||

-        function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };

-    return extendStatics(d, b);

-};

-

-function __extends(d, b) {

-    extendStatics(d, b);

-    function __() { this.constructor = d; }

-    d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());

-}

-

-var __assign = function() {

-    __assign = Object.assign || function __assign(t) {

-        for (var s, i = 1, n = arguments.length; i < n; i++) {

-            s = arguments[i];

-            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p)) t[p] = s[p];

-        }

-        return t;

-    }

-    return __assign.apply(this, arguments);

-}

-

-function __rest(s, e) {

-    var t = {};

-    for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p) && e.indexOf(p) < 0)

-        t[p] = s[p];

-    if (s != null && typeof Object.getOwnPropertySymbols === "function")

-        for (var i = 0, p = Object.getOwnPropertySymbols(s); i < p.length; i++) {

-            if (e.indexOf(p[i]) < 0 && Object.prototype.propertyIsEnumerable.call(s, p[i]))

-                t[p[i]] = s[p[i]];

-        }

-    return t;

-}

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-function __decorate(decorators, target, key, desc) {

-    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;

-    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);

-    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;

-    return c > 3 && r && Object.defineProperty(target, key, r), r;

-}

-

-function __param(paramIndex, decorator) {

-    return function (target, key) { decorator(target, key, paramIndex); }

-}

-

-function __metadata(metadataKey, metadataValue) {

-    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(metadataKey, metadataValue);

-}

-

-function __awaiter(thisArg, _arguments, P, generator) {

-    return new (P || (P = Promise))(function (resolve, reject) {

-        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }

-        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }

-        function step(result) { result.done ? resolve(result.value) : new P(function (resolve) { resolve(result.value); }).then(fulfilled, rejected); }

-        step((generator = generator.apply(thisArg, _arguments || [])).next());

-    });

-}

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-function __generator(thisArg, body) {

-    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;

-    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;

-    function verb(n) { return function (v) { return step([n, v]); }; }

-    function step(op) {

-        if (f) throw new TypeError("Generator is already executing.");

-        while (_) try {

-            if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;

-            if (y = 0, t) op = [op[0] & 2, t.value];

-            switch (op[0]) {

-                case 0: case 1: t = op; break;

-                case 4: _.label++; return { value: op[1], done: false };

-                case 5: _.label++; y = op[1]; op = [0]; continue;

-                case 7: op = _.ops.pop(); _.trys.pop(); continue;

-                default:

-                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }

-                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }

-                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }

-                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }

-                    if (t[2]) _.ops.pop();

-                    _.trys.pop(); continue;

-            }

-            op = body.call(thisArg, _);

-        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }

-        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };

-    }

-}

-

-function __exportStar(m, exports) {

-    for (var p in m) if (!exports.hasOwnProperty(p)) exports[p] = m[p];

-}

-

-function __values(o) {

-    var m = typeof Symbol === "function" && o[Symbol.iterator], i = 0;

-    if (m) return m.call(o);

-    return {

-        next: function () {

-            if (o && i >= o.length) o = void 0;

-            return { value: o && o[i++], done: !o };

-        }

-    };

-}

-

-function __read(o, n) {

-    var m = typeof Symbol === "function" && o[Symbol.iterator];

-    if (!m) return o;

-    var i = m.call(o), r, ar = [], e;

-    try {

-        while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);

-    }

-    catch (error) { e = { error: error }; }

-    finally {

-        try {

-            if (r && !r.done && (m = i["return"])) m.call(i);

-        }

-        finally { if (e) throw e.error; }

-    }

-    return ar;

-}

-

-function __spread() {

-    for (var ar = [], i = 0; i < arguments.length; i++)

-        ar = ar.concat(__read(arguments[i]));

-    return ar;

-}

-

-function __spreadArrays() {

-    for (var s = 0, i = 0, il = arguments.length; i < il; i++) s += arguments[i].length;

-    for (var r = Array(s), k = 0, i = 0; i < il; i++)

-        for (var a = arguments[i], j = 0, jl = a.length; j < jl; j++, k++)

-            r[k] = a[j];

-    return r;

-};

-

-function __await(v) {

-    return this instanceof __await ? (this.v = v, this) : new __await(v);

-}

-

-function __asyncGenerator(thisArg, _arguments, generator) {

-    if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined.");

-    var g = generator.apply(thisArg, _arguments || []), i, q = [];

-    return i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i;

-    function verb(n) { if (g[n]) i[n] = function (v) { return new Promise(function (a, b) { q.push([n, v, a, b]) > 1 || resume(n, v); }); }; }

-    function resume(n, v) { try { step(g[n](v)); } catch (e) { settle(q[0][3], e); } }

-    function step(r) { r.value instanceof __await ? Promise.resolve(r.value.v).then(fulfill, reject) : settle(q[0][2], r); }

-    function fulfill(value) { resume("next", value); }

-    function reject(value) { resume("throw", value); }

-    function settle(f, v) { if (f(v), q.shift(), q.length) resume(q[0][0], q[0][1]); }

-}

-

-function __asyncDelegator(o) {

-    var i, p;

-    return i = {}, verb("next"), verb("throw", function (e) { throw e; }), verb("return"), i[Symbol.iterator] = function () { return this; }, i;

-    function verb(n, f) { i[n] = o[n] ? function (v) { return (p = !p) ? { value: __await(o[n](v)), done: n === "return" } : f ? f(v) : v; } : f; }

-}

-

-function __asyncValues(o) {

-    if (!Symbol.asyncIterator) throw new TypeError("Symbol.asyncIterator is not defined.");

-    var m = o[Symbol.asyncIterator], i;

-    return m ? m.call(o) : (o = typeof __values === "function" ? __values(o) : o[Symbol.iterator](), i = {}, verb("next"), verb("throw"), verb("return"), i[Symbol.asyncIterator] = function () { return this; }, i);

-    function verb(n) { i[n] = o[n] && function (v) { return new Promise(function (resolve, reject) { v = o[n](v), settle(resolve, reject, v.done, v.value); }); }; }

-    function settle(resolve, reject, d, v) { Promise.resolve(v).then(function(v) { resolve({ value: v, done: d }); }, reject); }

-}

-

-function __makeTemplateObject(cooked, raw) {

-    if (Object.defineProperty) { Object.defineProperty(cooked, "raw", { value: raw }); } else { cooked.raw = raw; }

-    return cooked;

-};

-

-function __importStar(mod) {

-    if (mod && mod.__esModule) return mod;

-    var result = {};

-    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];

-    result.default = mod;

-    return result;

-}

-

-function __importDefault(mod) {

-    return (mod && mod.__esModule) ? mod : { default: mod };

-}

-
-// CONCATENATED MODULE: ./src/callbackiterresult.ts
-
-
-/**
- * IterResult subclass that calls a callback function on each add,
- * and stops iterating when the callback returns false.
- */
-var callbackiterresult_CallbackIterResult = /** @class */ (function (_super) {
-    __extends(CallbackIterResult, _super);
-    function CallbackIterResult(method, args, iterator) {
-        var _this = _super.call(this, method, args) || this;
-        _this.iterator = iterator;
-        return _this;
-    }
-    CallbackIterResult.prototype.add = function (date) {
-        if (this.iterator(date, this._result.length)) {
-            this._result.push(date);
-            return true;
-        }
-        return false;
-    };
-    return CallbackIterResult;
-}(iterresult));
-/* harmony default export */ var callbackiterresult = (callbackiterresult_CallbackIterResult);
-
-// CONCATENATED MODULE: ./src/types.ts
-var Frequency;
-(function (Frequency) {
-    Frequency[Frequency["YEARLY"] = 0] = "YEARLY";
-    Frequency[Frequency["MONTHLY"] = 1] = "MONTHLY";
-    Frequency[Frequency["WEEKLY"] = 2] = "WEEKLY";
-    Frequency[Frequency["DAILY"] = 3] = "DAILY";
-    Frequency[Frequency["HOURLY"] = 4] = "HOURLY";
-    Frequency[Frequency["MINUTELY"] = 5] = "MINUTELY";
-    Frequency[Frequency["SECONDLY"] = 6] = "SECONDLY";
-})(Frequency || (Frequency = {}));
-function freqIsDailyOrGreater(freq) {
-    return freq < Frequency.HOURLY;
-}
-
-// EXTERNAL MODULE: ./src/weekday.ts
-var weekday = __webpack_require__(2);
-
-// CONCATENATED MODULE: ./src/datetime.ts
-
-
-
-
-var Time = /** @class */ (function () {
-    function Time(hour, minute, second, millisecond) {
-        this.hour = hour;
-        this.minute = minute;
-        this.second = second;
-        this.millisecond = millisecond || 0;
-    }
-    Time.prototype.getHours = function () {
-        return this.hour;
-    };
-    Time.prototype.getMinutes = function () {
-        return this.minute;
-    };
-    Time.prototype.getSeconds = function () {
-        return this.second;
-    };
-    Time.prototype.getMilliseconds = function () {
-        return this.millisecond;
-    };
-    Time.prototype.getTime = function () {
-        return ((this.hour * 60 * 60 + this.minute * 60 + this.second) * 1000 +
-            this.millisecond);
-    };
-    return Time;
-}());
-
-var datetime_DateTime = /** @class */ (function (_super) {
-    __extends(DateTime, _super);
-    function DateTime(year, month, day, hour, minute, second, millisecond) {
-        var _this = _super.call(this, hour, minute, second, millisecond) || this;
-        _this.year = year;
-        _this.month = month;
-        _this.day = day;
-        return _this;
-    }
-    DateTime.fromDate = function (date) {
-        return new this(date.getUTCFullYear(), date.getUTCMonth() + 1, date.getUTCDate(), date.getUTCHours(), date.getUTCMinutes(), date.getUTCSeconds(), date.valueOf() % 1000);
-    };
-    DateTime.prototype.getWeekday = function () {
-        return dateutil_dateutil.getWeekday(new Date(this.getTime()));
-    };
-    DateTime.prototype.getTime = function () {
-        return new Date(Date.UTC(this.year, this.month - 1, this.day, this.hour, this.minute, this.second, this.millisecond)).getTime();
-    };
-    DateTime.prototype.getDay = function () {
-        return this.day;
-    };
-    DateTime.prototype.getMonth = function () {
-        return this.month;
-    };
-    DateTime.prototype.getYear = function () {
-        return this.year;
-    };
-    DateTime.prototype.addYears = function (years) {
-        this.year += years;
-    };
-    DateTime.prototype.addMonths = function (months) {
-        this.month += months;
-        if (this.month > 12) {
-            var yearDiv = Math.floor(this.month / 12);
-            var monthMod = Object(helpers["j" /* pymod */])(this.month, 12);
-            this.month = monthMod;
-            this.year += yearDiv;
-            if (this.month === 0) {
-                this.month = 12;
-                --this.year;
-            }
-        }
-    };
-    DateTime.prototype.addWeekly = function (days, wkst) {
-        if (wkst > this.getWeekday()) {
-            this.day += -(this.getWeekday() + 1 + (6 - wkst)) + days * 7;
-        }
-        else {
-            this.day += -(this.getWeekday() - wkst) + days * 7;
-        }
-        this.fixDay();
-    };
-    DateTime.prototype.addDaily = function (days) {
-        this.day += days;
-        this.fixDay();
-    };
-    DateTime.prototype.addHours = function (hours, filtered, byhour) {
-        if (filtered) {
-            // Jump to one iteration before next day
-            this.hour += Math.floor((23 - this.hour) / hours) * hours;
-        }
-        while (true) {
-            this.hour += hours;
-            var _a = Object(helpers["a" /* divmod */])(this.hour, 24), dayDiv = _a.div, hourMod = _a.mod;
-            if (dayDiv) {
-                this.hour = hourMod;
-                this.addDaily(dayDiv);
-            }
-            if (Object(helpers["b" /* empty */])(byhour) || Object(helpers["c" /* includes */])(byhour, this.hour))
-                break;
-        }
-    };
-    DateTime.prototype.addMinutes = function (minutes, filtered, byhour, byminute) {
-        if (filtered) {
-            // Jump to one iteration before next day
-            this.minute +=
-                Math.floor((1439 - (this.hour * 60 + this.minute)) / minutes) * minutes;
-        }
-        while (true) {
-            this.minute += minutes;
-            var _a = Object(helpers["a" /* divmod */])(this.minute, 60), hourDiv = _a.div, minuteMod = _a.mod;
-            if (hourDiv) {
-                this.minute = minuteMod;
-                this.addHours(hourDiv, false, byhour);
-            }
-            if ((Object(helpers["b" /* empty */])(byhour) || Object(helpers["c" /* includes */])(byhour, this.hour)) &&
-                (Object(helpers["b" /* empty */])(byminute) || Object(helpers["c" /* includes */])(byminute, this.minute))) {
-                break;
-            }
-        }
-    };
-    DateTime.prototype.addSeconds = function (seconds, filtered, byhour, byminute, bysecond) {
-        if (filtered) {
-            // Jump to one iteration before next day
-            this.second +=
-                Math.floor((86399 - (this.hour * 3600 + this.minute * 60 + this.second)) / seconds) * seconds;
-        }
-        while (true) {
-            this.second += seconds;
-            var _a = Object(helpers["a" /* divmod */])(this.second, 60), minuteDiv = _a.div, secondMod = _a.mod;
-            if (minuteDiv) {
-                this.second = secondMod;
-                this.addMinutes(minuteDiv, false, byhour, byminute);
-            }
-            if ((Object(helpers["b" /* empty */])(byhour) || Object(helpers["c" /* includes */])(byhour, this.hour)) &&
-                (Object(helpers["b" /* empty */])(byminute) || Object(helpers["c" /* includes */])(byminute, this.minute)) &&
-                (Object(helpers["b" /* empty */])(bysecond) || Object(helpers["c" /* includes */])(bysecond, this.second))) {
-                break;
-            }
-        }
-    };
-    DateTime.prototype.fixDay = function () {
-        if (this.day <= 28) {
-            return;
-        }
-        var daysinmonth = dateutil_dateutil.monthRange(this.year, this.month - 1)[1];
-        if (this.day <= daysinmonth) {
-            return;
-        }
-        while (this.day > daysinmonth) {
-            this.day -= daysinmonth;
-            ++this.month;
-            if (this.month === 13) {
-                this.month = 1;
-                ++this.year;
-                if (this.year > dateutil_dateutil.MAXYEAR) {
-                    return;
-                }
-            }
-            daysinmonth = dateutil_dateutil.monthRange(this.year, this.month - 1)[1];
-        }
-    };
-    DateTime.prototype.add = function (options, filtered) {
-        var freq = options.freq, interval = options.interval, wkst = options.wkst, byhour = options.byhour, byminute = options.byminute, bysecond = options.bysecond;
-        switch (freq) {
-            case Frequency.YEARLY: return this.addYears(interval);
-            case Frequency.MONTHLY: return this.addMonths(interval);
-            case Frequency.WEEKLY: return this.addWeekly(interval, wkst);
-            case Frequency.DAILY: return this.addDaily(interval);
-            case Frequency.HOURLY: return this.addHours(interval, filtered, byhour);
-            case Frequency.MINUTELY: return this.addMinutes(interval, filtered, byhour, byminute);
-            case Frequency.SECONDLY: return this.addSeconds(interval, filtered, byhour, byminute, bysecond);
-        }
-    };
-    return DateTime;
-}(Time));
-
-
-// CONCATENATED MODULE: ./src/parseoptions.ts
-
-
-
-
-
-
-
-function initializeOptions(options) {
-    var invalid = [];
-    var keys = Object.keys(options);
-    // Shallow copy for options and origOptions and check for invalid
-    for (var _i = 0, keys_1 = keys; _i < keys_1.length; _i++) {
-        var key = keys_1[_i];
-        if (!Object(helpers["c" /* includes */])(rrule_defaultKeys, key))
-            invalid.push(key);
-        if (src_dateutil.isDate(options[key]) && !src_dateutil.isValidDate(options[key]))
-            invalid.push(key);
-    }
-    if (invalid.length) {
-        throw new Error('Invalid options: ' + invalid.join(', '));
-    }
-    return __assign({}, options);
-}
-function parseOptions(options) {
-    var opts = __assign(__assign({}, DEFAULT_OPTIONS), initializeOptions(options));
-    if (Object(helpers["f" /* isPresent */])(opts.byeaster))
-        opts.freq = src_rrule.YEARLY;
-    if (!(Object(helpers["f" /* isPresent */])(opts.freq) && src_rrule.FREQUENCIES[opts.freq])) {
-        throw new Error("Invalid frequency: " + opts.freq + " " + options.freq);
-    }
-    if (!opts.dtstart)
-        opts.dtstart = new Date(new Date().setMilliseconds(0));
-    if (!Object(helpers["f" /* isPresent */])(opts.wkst)) {
-        opts.wkst = src_rrule.MO.weekday;
-    }
-    else if (Object(helpers["e" /* isNumber */])(opts.wkst)) {
-        // cool, just keep it like that
-    }
-    else {
-        opts.wkst = opts.wkst.weekday;
-    }
-    if (Object(helpers["f" /* isPresent */])(opts.bysetpos)) {
-        if (Object(helpers["e" /* isNumber */])(opts.bysetpos))
-            opts.bysetpos = [opts.bysetpos];
-        for (var i = 0; i < opts.bysetpos.length; i++) {
-            var v = opts.bysetpos[i];
-            if (v === 0 || !(v >= -366 && v <= 366)) {
-                throw new Error('bysetpos must be between 1 and 366,' + ' or between -366 and -1');
-            }
-        }
-    }
-    if (!(Boolean(opts.byweekno) ||
-        Object(helpers["h" /* notEmpty */])(opts.byweekno) ||
-        Object(helpers["h" /* notEmpty */])(opts.byyearday) ||
-        Boolean(opts.bymonthday) ||
-        Object(helpers["h" /* notEmpty */])(opts.bymonthday) ||
-        Object(helpers["f" /* isPresent */])(opts.byweekday) ||
-        Object(helpers["f" /* isPresent */])(opts.byeaster))) {
-        switch (opts.freq) {
-            case src_rrule.YEARLY:
-                if (!opts.bymonth)
-                    opts.bymonth = opts.dtstart.getUTCMonth() + 1;
-                opts.bymonthday = opts.dtstart.getUTCDate();
-                break;
-            case src_rrule.MONTHLY:
-                opts.bymonthday = opts.dtstart.getUTCDate();
-                break;
-            case src_rrule.WEEKLY:
-                opts.byweekday = [src_dateutil.getWeekday(opts.dtstart)];
-                break;
-        }
-    }
-    // bymonth
-    if (Object(helpers["f" /* isPresent */])(opts.bymonth) && !Object(helpers["d" /* isArray */])(opts.bymonth)) {
-        opts.bymonth = [opts.bymonth];
-    }
-    // byyearday
-    if (Object(helpers["f" /* isPresent */])(opts.byyearday) &&
-        !Object(helpers["d" /* isArray */])(opts.byyearday) &&
-        Object(helpers["e" /* isNumber */])(opts.byyearday)) {
-        opts.byyearday = [opts.byyearday];
-    }
-    // bymonthday
-    if (!Object(helpers["f" /* isPresent */])(opts.bymonthday)) {
-        opts.bymonthday = [];
-        opts.bynmonthday = [];
-    }
-    else if (Object(helpers["d" /* isArray */])(opts.bymonthday)) {
-        var bymonthday = [];
-        var bynmonthday = [];
-        for (var i = 0; i < opts.bymonthday.length; i++) {
-            var v = opts.bymonthday[i];
-            if (v > 0) {
-                bymonthday.push(v);
-            }
-            else if (v < 0) {
-                bynmonthday.push(v);
-            }
-        }
-        opts.bymonthday = bymonthday;
-        opts.bynmonthday = bynmonthday;
-    }
-    else if (opts.bymonthday < 0) {
-        opts.bynmonthday = [opts.bymonthday];
-        opts.bymonthday = [];
-    }
-    else {
-        opts.bynmonthday = [];
-        opts.bymonthday = [opts.bymonthday];
-    }
-    // byweekno
-    if (Object(helpers["f" /* isPresent */])(opts.byweekno) && !Object(helpers["d" /* isArray */])(opts.byweekno)) {
-        opts.byweekno = [opts.byweekno];
-    }
-    // byweekday / bynweekday
-    if (!Object(helpers["f" /* isPresent */])(opts.byweekday)) {
-        opts.bynweekday = null;
-    }
-    else if (Object(helpers["e" /* isNumber */])(opts.byweekday)) {
-        opts.byweekday = [opts.byweekday];
-        opts.bynweekday = null;
-    }
-    else if (Object(helpers["g" /* isWeekdayStr */])(opts.byweekday)) {
-        opts.byweekday = [weekday["b" /* Weekday */].fromStr(opts.byweekday).weekday];
-        opts.bynweekday = null;
-    }
-    else if (opts.byweekday instanceof weekday["b" /* Weekday */]) {
-        if (!opts.byweekday.n || opts.freq > src_rrule.MONTHLY) {
-            opts.byweekday = [opts.byweekday.weekday];
-            opts.bynweekday = null;
-        }
-        else {
-            opts.bynweekday = [[opts.byweekday.weekday, opts.byweekday.n]];
-            opts.byweekday = null;
-        }
-    }
-    else {
-        var byweekday = [];
-        var bynweekday = [];
-        for (var i = 0; i < opts.byweekday.length; i++) {
-            var wday = opts.byweekday[i];
-            if (Object(helpers["e" /* isNumber */])(wday)) {
-                byweekday.push(wday);
-                continue;
-            }
-            else if (Object(helpers["g" /* isWeekdayStr */])(wday)) {
-                byweekday.push(weekday["b" /* Weekday */].fromStr(wday).weekday);
-                continue;
-            }
-            if (!wday.n || opts.freq > src_rrule.MONTHLY) {
-                byweekday.push(wday.weekday);
-            }
-            else {
-                bynweekday.push([wday.weekday, wday.n]);
-            }
-        }
-        opts.byweekday = Object(helpers["h" /* notEmpty */])(byweekday) ? byweekday : null;
-        opts.bynweekday = Object(helpers["h" /* notEmpty */])(bynweekday) ? bynweekday : null;
-    }
-    // byhour
-    if (!Object(helpers["f" /* isPresent */])(opts.byhour)) {
-        opts.byhour =
-            opts.freq < src_rrule.HOURLY ? [opts.dtstart.getUTCHours()] : null;
-    }
-    else if (Object(helpers["e" /* isNumber */])(opts.byhour)) {
-        opts.byhour = [opts.byhour];
-    }
-    // byminute
-    if (!Object(helpers["f" /* isPresent */])(opts.byminute)) {
-        opts.byminute =
-            opts.freq < src_rrule.MINUTELY ? [opts.dtstart.getUTCMinutes()] : null;
-    }
-    else if (Object(helpers["e" /* isNumber */])(opts.byminute)) {
-        opts.byminute = [opts.byminute];
-    }
-    // bysecond
-    if (!Object(helpers["f" /* isPresent */])(opts.bysecond)) {
-        opts.bysecond =
-            opts.freq < src_rrule.SECONDLY ? [opts.dtstart.getUTCSeconds()] : null;
-    }
-    else if (Object(helpers["e" /* isNumber */])(opts.bysecond)) {
-        opts.bysecond = [opts.bysecond];
-    }
-    return { parsedOptions: opts };
-}
-function buildTimeset(opts) {
-    var millisecondModulo = opts.dtstart.getTime() % 1000;
-    if (!freqIsDailyOrGreater(opts.freq)) {
-        return [];
-    }
-    var timeset = [];
-    opts.byhour.forEach(function (hour) {
-        opts.byminute.forEach(function (minute) {
-            opts.bysecond.forEach(function (second) {
-                timeset.push(new Time(hour, minute, second, millisecondModulo));
-            });
-        });
-    });
-    return timeset;
-}
-
-// CONCATENATED MODULE: ./src/parsestring.ts
-
-
-
-
-
-function parseString(rfcString) {
-    var options = rfcString.split('\n').map(parseLine).filter(function (x) { return x !== null; });
-    return __assign(__assign({}, options[0]), options[1]);
-}
-function parseDtstart(line) {
-    var options = {};
-    var dtstartWithZone = /DTSTART(?:;TZID=([^:=]+?))?(?::|=)([^;\s]+)/i.exec(line);
-    if (!dtstartWithZone) {
-        return options;
-    }
-    var _ = dtstartWithZone[0], tzid = dtstartWithZone[1], dtstart = dtstartWithZone[2];
-    if (tzid) {
-        options.tzid = tzid;
-    }
-    options.dtstart = src_dateutil.untilStringToDate(dtstart);
-    return options;
-}
-function parseLine(rfcString) {
-    rfcString = rfcString.replace(/^\s+|\s+$/, '');
-    if (!rfcString.length)
-        return null;
-    var header = /^([A-Z]+?)[:;]/.exec(rfcString.toUpperCase());
-    if (!header) {
-        return parseRrule(rfcString);
-    }
-    var _ = header[0], key = header[1];
-    switch (key.toUpperCase()) {
-        case 'RRULE':
-        case 'EXRULE':
-            return parseRrule(rfcString);
-        case 'DTSTART':
-            return parseDtstart(rfcString);
-        default:
-            throw new Error("Unsupported RFC prop " + key + " in " + rfcString);
-    }
-}
-function parseRrule(line) {
-    var strippedLine = line.replace(/^RRULE:/i, '');
-    var options = parseDtstart(strippedLine);
-    var attrs = line.replace(/^(?:RRULE|EXRULE):/i, '').split(';');
-    attrs.forEach(function (attr) {
-        var _a = attr.split('='), key = _a[0], value = _a[1];
-        switch (key.toUpperCase()) {
-            case 'FREQ':
-                options.freq = Frequency[value.toUpperCase()];
-                break;
-            case 'WKST':
-                options.wkst = Days[value.toUpperCase()];
-                break;
-            case 'COUNT':
-            case 'INTERVAL':
-            case 'BYSETPOS':
-            case 'BYMONTH':
-            case 'BYMONTHDAY':
-            case 'BYYEARDAY':
-            case 'BYWEEKNO':
-            case 'BYHOUR':
-            case 'BYMINUTE':
-            case 'BYSECOND':
-                var num = parseNumber(value);
-                var optionKey = key.toLowerCase();
-                // @ts-ignore
-                options[optionKey] = num;
-                break;
-            case 'BYWEEKDAY':
-            case 'BYDAY':
-                options.byweekday = parseWeekday(value);
-                break;
-            case 'DTSTART':
-            case 'TZID':
-                // for backwards compatibility
-                var dtstart = parseDtstart(line);
-                options.tzid = dtstart.tzid;
-                options.dtstart = dtstart.dtstart;
-                break;
-            case 'UNTIL':
-                options.until = src_dateutil.untilStringToDate(value);
-                break;
-            case 'BYEASTER':
-                options.byeaster = Number(value);
-                break;
-            default:
-                throw new Error("Unknown RRULE property '" + key + "'");
-        }
-    });
-    return options;
-}
-function parseNumber(value) {
-    if (value.indexOf(',') !== -1) {
-        var values = value.split(',');
-        return values.map(parseIndividualNumber);
-    }
-    return parseIndividualNumber(value);
-}
-function parseIndividualNumber(value) {
-    if (/^[+-]?\d+$/.test(value)) {
-        return Number(value);
-    }
-    return value;
-}
-function parseWeekday(value) {
-    var days = value.split(',');
-    return days.map(function (day) {
-        if (day.length === 2) {
-            // MO, TU, ...
-            return Days[day]; // wday instanceof Weekday
-        }
-        // -1MO, +3FR, 1SO, 13TU ...
-        var parts = day.match(/^([+-]?\d{1,2})([A-Z]{2})$/);
-        var n = Number(parts[1]);
-        var wdaypart = parts[2];
-        var wday = Days[wdaypart].weekday;
-        return new weekday["b" /* Weekday */](wday, n);
-    });
-}
-
-// EXTERNAL MODULE: external "luxon"
-var external_luxon_ = __webpack_require__(3);
-
-// CONCATENATED MODULE: ./src/datewithzone.ts
-
-
-var datewithzone_DateWithZone = /** @class */ (function () {
-    function DateWithZone(date, tzid) {
-        this.date = date;
-        this.tzid = tzid;
-    }
-    Object.defineProperty(DateWithZone.prototype, "isUTC", {
-        get: function () {
-            return !this.tzid || this.tzid.toUpperCase() === 'UTC';
-        },
-        enumerable: true,
-        configurable: true
-    });
-    DateWithZone.prototype.toString = function () {
-        var datestr = src_dateutil.timeToUntilString(this.date.getTime(), this.isUTC);
-        if (!this.isUTC) {
-            return ";TZID=" + this.tzid + ":" + datestr;
-        }
-        return ":" + datestr;
-    };
-    DateWithZone.prototype.getTime = function () {
-        return this.date.getTime();
-    };
-    DateWithZone.prototype.rezonedDate = function () {
-        if (this.isUTC) {
-            return this.date;
-        }
-        try {
-            var datetime = external_luxon_["DateTime"]
-                .fromJSDate(this.date);
-            var rezoned = datetime.setZone(this.tzid, { keepLocalTime: true });
-            return rezoned.toJSDate();
-        }
-        catch (e) {
-            if (e instanceof TypeError) {
-                console.error('Using TZID without Luxon available is unsupported. Returned times are in UTC, not the requested time zone');
-            }
-            return this.date;
-        }
-    };
-    return DateWithZone;
-}());
-
-
-// CONCATENATED MODULE: ./src/optionstostring.ts
-
-
-
-
-
-function optionsToString(options) {
-    var rrule = [];
-    var dtstart = '';
-    var keys = Object.keys(options);
-    var defaultKeys = Object.keys(DEFAULT_OPTIONS);
-    for (var i = 0; i < keys.length; i++) {
-        if (keys[i] === 'tzid')
-            continue;
-        if (!Object(helpers["c" /* includes */])(defaultKeys, keys[i]))
-            continue;
-        var key = keys[i].toUpperCase();
-        var value = options[keys[i]];
-        var outValue = '';
-        if (!Object(helpers["f" /* isPresent */])(value) || (Object(helpers["d" /* isArray */])(value) && !value.length))
-            continue;
-        switch (key) {
-            case 'FREQ':
-                outValue = src_rrule.FREQUENCIES[options.freq];
-                break;
-            case 'WKST':
-                if (Object(helpers["e" /* isNumber */])(value)) {
-                    outValue = new weekday["b" /* Weekday */](value).toString();
-                }
-                else {
-                    outValue = value.toString();
-                }
-                break;
-            case 'BYWEEKDAY':
-                /*
-                NOTE: BYWEEKDAY is a special case.
-                RRule() deconstructs the rule.options.byweekday array
-                into an array of Weekday arguments.
-                On the other hand, rule.origOptions is an array of Weekdays.
-                We need to handle both cases here.
-                It might be worth change RRule to keep the Weekdays.
-      
-                Also, BYWEEKDAY (used by RRule) vs. BYDAY (RFC)
-      
-                */
-                key = 'BYDAY';
-                outValue = Object(helpers["n" /* toArray */])(value).map(function (wday) {
-                    if (wday instanceof weekday["b" /* Weekday */]) {
-                        return wday;
-                    }
-                    if (Object(helpers["d" /* isArray */])(wday)) {
-                        return new weekday["b" /* Weekday */](wday[0], wday[1]);
-                    }
-                    return new weekday["b" /* Weekday */](wday);
-                }).toString();
-                break;
-            case 'DTSTART':
-                dtstart = buildDtstart(value, options.tzid);
-                break;
-            case 'UNTIL':
-                outValue = src_dateutil.timeToUntilString(value, !options.tzid);
-                break;
-            default:
-                if (Object(helpers["d" /* isArray */])(value)) {
-                    var strValues = [];
-                    for (var j = 0; j < value.length; j++) {
-                        strValues[j] = String(value[j]);
-                    }
-                    outValue = strValues.toString();
-                }
-                else {
-                    outValue = String(value);
-                }
-        }
-        if (outValue) {
-            rrule.push([key, outValue]);
-        }
-    }
-    var rules = rrule.map(function (_a) {
-        var key = _a[0], value = _a[1];
-        return key + "=" + value.toString();
-    }).join(';');
-    var ruleString = '';
-    if (rules !== '') {
-        ruleString = "RRULE:" + rules;
-    }
-    return [dtstart, ruleString].filter(function (x) { return !!x; }).join('\n');
-}
-function buildDtstart(dtstart, tzid) {
-    if (!dtstart) {
-        return '';
-    }
-    return 'DTSTART' + new datewithzone_DateWithZone(new Date(dtstart), tzid).toString();
-}
-
-// CONCATENATED MODULE: ./src/cache.ts
-
-
-
-var cache_Cache = /** @class */ (function () {
-    function Cache() {
-        this.all = false;
-        this.before = [];
-        this.after = [];
-        this.between = [];
-    }
-    /**
-     * @param {String} what - all/before/after/between
-     * @param {Array,Date} value - an array of dates, one date, or null
-     * @param {Object?} args - _iter arguments
-     */
-    Cache.prototype._cacheAdd = function (what, value, args) {
-        if (value) {
-            value =
-                value instanceof Date
-                    ? src_dateutil.clone(value)
-                    : src_dateutil.cloneDates(value);
-        }
-        if (what === 'all') {
-            this.all = value;
-        }
-        else {
-            args._value = value;
-            this[what].push(args);
-        }
-    };
-    /**
-     * @return false - not in the cache
-     *         null  - cached, but zero occurrences (before/after)
-     *         Date  - cached (before/after)
-     *         []    - cached, but zero occurrences (all/between)
-     *         [Date1, DateN] - cached (all/between)
-     */
-    Cache.prototype._cacheGet = function (what, args) {
-        var cached = false;
-        var argsKeys = args ? Object.keys(args) : [];
-        var findCacheDiff = function (item) {
-            for (var i = 0; i < argsKeys.length; i++) {
-                var key = argsKeys[i];
-                if (String(args[key]) !== String(item[key])) {
-                    return true;
-                }
-            }
-            return false;
-        };
-        var cachedObject = this[what];
-        if (what === 'all') {
-            cached = this.all;
-        }
-        else if (Object(helpers["d" /* isArray */])(cachedObject)) {
-            // Let's see whether we've already called the
-            // 'what' method with the same 'args'
-            for (var i = 0; i < cachedObject.length; i++) {
-                var item = cachedObject[i];
-                if (argsKeys.length && findCacheDiff(item))
-                    continue;
-                cached = item._value;
-                break;
-            }
-        }
-        if (!cached && this.all) {
-            // Not in the cache, but we already know all the occurrences,
-            // so we can find the correct dates from the cached ones.
-            var iterResult = new iterresult(what, args);
-            for (var i = 0; i < this.all.length; i++) {
-                if (!iterResult.accept(this.all[i]))
-                    break;
-            }
-            cached = iterResult.getValue();
-            this._cacheAdd(what, cached, args);
-        }
-        return Object(helpers["d" /* isArray */])(cached)
-            ? src_dateutil.cloneDates(cached)
-            : cached instanceof Date
-                ? src_dateutil.clone(cached)
-                : cached;
-    };
-    return Cache;
-}());
-
-
-// CONCATENATED MODULE: ./src/masks.ts
-
-
-// =============================================================================
-// Date masks
-// =============================================================================
-// Every mask is 7 days longer to handle cross-year weekly periods.
-var M365MASK = __spreadArrays(Object(helpers["l" /* repeat */])(1, 31), Object(helpers["l" /* repeat */])(2, 28), Object(helpers["l" /* repeat */])(3, 31), Object(helpers["l" /* repeat */])(4, 30), Object(helpers["l" /* repeat */])(5, 31), Object(helpers["l" /* repeat */])(6, 30), Object(helpers["l" /* repeat */])(7, 31), Object(helpers["l" /* repeat */])(8, 31), Object(helpers["l" /* repeat */])(9, 30), Object(helpers["l" /* repeat */])(10, 31), Object(helpers["l" /* repeat */])(11, 30), Object(helpers["l" /* repeat */])(12, 31), Object(helpers["l" /* repeat */])(1, 7));
-var M366MASK = __spreadArrays(Object(helpers["l" /* repeat */])(1, 31), Object(helpers["l" /* repeat */])(2, 29), Object(helpers["l" /* repeat */])(3, 31), Object(helpers["l" /* repeat */])(4, 30), Object(helpers["l" /* repeat */])(5, 31), Object(helpers["l" /* repeat */])(6, 30), Object(helpers["l" /* repeat */])(7, 31), Object(helpers["l" /* repeat */])(8, 31), Object(helpers["l" /* repeat */])(9, 30), Object(helpers["l" /* repeat */])(10, 31), Object(helpers["l" /* repeat */])(11, 30), Object(helpers["l" /* repeat */])(12, 31), Object(helpers["l" /* repeat */])(1, 7));
-var M28 = Object(helpers["k" /* range */])(1, 29);
-var M29 = Object(helpers["k" /* range */])(1, 30);
-var M30 = Object(helpers["k" /* range */])(1, 31);
-var M31 = Object(helpers["k" /* range */])(1, 32);
-var MDAY366MASK = __spreadArrays(M31, M29, M31, M30, M31, M30, M31, M31, M30, M31, M30, M31, M31.slice(0, 7));
-var MDAY365MASK = __spreadArrays(M31, M28, M31, M30, M31, M30, M31, M31, M30, M31, M30, M31, M31.slice(0, 7));
-var NM28 = Object(helpers["k" /* range */])(-28, 0);
-var NM29 = Object(helpers["k" /* range */])(-29, 0);
-var NM30 = Object(helpers["k" /* range */])(-30, 0);
-var NM31 = Object(helpers["k" /* range */])(-31, 0);
-var NMDAY366MASK = __spreadArrays(NM31, NM29, NM31, NM30, NM31, NM30, NM31, NM31, NM30, NM31, NM30, NM31, NM31.slice(0, 7));
-var NMDAY365MASK = __spreadArrays(NM31, NM28, NM31, NM30, NM31, NM30, NM31, NM31, NM30, NM31, NM30, NM31, NM31.slice(0, 7));
-var M366RANGE = [0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366];
-var M365RANGE = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365];
-var WDAYMASK = (function () {
-    var wdaymask = [];
-    for (var i = 0; i < 55; i++)
-        wdaymask = wdaymask.concat(Object(helpers["k" /* range */])(7));
-    return wdaymask;
-})();
-
-
-// CONCATENATED MODULE: ./src/iterinfo/yearinfo.ts
-
-
-
-
-function rebuildYear(year, options) {
-    var firstyday = new Date(Date.UTC(year, 0, 1));
-    var yearlen = src_dateutil.isLeapYear(year) ? 366 : 365;
-    var nextyearlen = src_dateutil.isLeapYear(year + 1) ? 366 : 365;
-    var yearordinal = src_dateutil.toOrdinal(firstyday);
-    var yearweekday = src_dateutil.getWeekday(firstyday);
-    var result = __assign(__assign({ yearlen: yearlen,
-        nextyearlen: nextyearlen,
-        yearordinal: yearordinal,
-        yearweekday: yearweekday }, baseYearMasks(year)), { wnomask: null });
-    if (Object(helpers["b" /* empty */])(options.byweekno)) {
-        return result;
-    }
-    result.wnomask = Object(helpers["l" /* repeat */])(0, yearlen + 7);
-    var firstwkst;
-    var wyearlen;
-    var no1wkst = firstwkst = Object(helpers["j" /* pymod */])(7 - yearweekday + options.wkst, 7);
-    if (no1wkst >= 4) {
-        no1wkst = 0;
-        // Number of days in the year, plus the days we got
-        // from last year.
-        wyearlen =
-            result.yearlen + Object(helpers["j" /* pymod */])(yearweekday - options.wkst, 7);
-    }
-    else {
-        // Number of days in the year, minus the days we
-        // left in last year.
-        wyearlen = yearlen - no1wkst;
-    }
-    var div = Math.floor(wyearlen / 7);
-    var mod = Object(helpers["j" /* pymod */])(wyearlen, 7);
-    var numweeks = Math.floor(div + mod / 4);
-    for (var j = 0; j < options.byweekno.length; j++) {
-        var n = options.byweekno[j];
-        if (n < 0) {
-            n += numweeks + 1;
-        }
-        if (!(n > 0 && n <= numweeks)) {
-            continue;
-        }
-        var i = void 0;
-        if (n > 1) {
-            i = no1wkst + (n - 1) * 7;
-            if (no1wkst !== firstwkst) {
-                i -= 7 - firstwkst;
-            }
-        }
-        else {
-            i = no1wkst;
-        }
-        for (var k = 0; k < 7; k++) {
-            result.wnomask[i] = 1;
-            i++;
-            if (result.wdaymask[i] === options.wkst)
-                break;
-        }
-    }
-    if (Object(helpers["c" /* includes */])(options.byweekno, 1)) {
-        // Check week number 1 of next year as well
-        // orig-TODO : Check -numweeks for next year.
-        var i = no1wkst + numweeks * 7;
-        if (no1wkst !== firstwkst)
-            i -= 7 - firstwkst;
-        if (i < yearlen) {
-            // If week starts in next year, we
-            // don't care about it.
-            for (var j = 0; j < 7; j++) {
-                result.wnomask[i] = 1;
-                i += 1;
-                if (result.wdaymask[i] === options.wkst)
-                    break;
-            }
-        }
-    }
-    if (no1wkst) {
-        // Check last week number of last year as
-        // well. If no1wkst is 0, either the year
-        // started on week start, or week number 1
-        // got days from last year, so there are no
-        // days from last year's last week number in
-        // this year.
-        var lnumweeks = void 0;
-        if (!Object(helpers["c" /* includes */])(options.byweekno, -1)) {
-            var lyearweekday = src_dateutil.getWeekday(new Date(Date.UTC(year - 1, 0, 1)));
-            var lno1wkst = Object(helpers["j" /* pymod */])(7 - lyearweekday.valueOf() + options.wkst, 7);
-            var lyearlen = src_dateutil.isLeapYear(year - 1) ? 366 : 365;
-            var weekst = void 0;
-            if (lno1wkst >= 4) {
-                lno1wkst = 0;
-                weekst = lyearlen + Object(helpers["j" /* pymod */])(lyearweekday - options.wkst, 7);
-            }
-            else {
-                weekst = yearlen - no1wkst;
-            }
-            lnumweeks = Math.floor(52 + Object(helpers["j" /* pymod */])(weekst, 7) / 4);
-        }
-        else {
-            lnumweeks = -1;
-        }
-        if (Object(helpers["c" /* includes */])(options.byweekno, lnumweeks)) {
-            for (var i = 0; i < no1wkst; i++)
-                result.wnomask[i] = 1;
-        }
-    }
-    return result;
-}
-function baseYearMasks(year) {
-    var yearlen = src_dateutil.isLeapYear(year) ? 366 : 365;
-    var firstyday = new Date(Date.UTC(year, 0, 1));
-    var wday = src_dateutil.getWeekday(firstyday);
-    if (yearlen === 365) {
-        return {
-            mmask: M365MASK,
-            mdaymask: MDAY365MASK,
-            nmdaymask: NMDAY365MASK,
-            wdaymask: WDAYMASK.slice(wday),
-            mrange: M365RANGE
-        };
-    }
-    return {
-        mmask: M366MASK,
-        mdaymask: MDAY366MASK,
-        nmdaymask: NMDAY366MASK,
-        wdaymask: WDAYMASK.slice(wday),
-        mrange: M366RANGE
-    };
-}
-
-// CONCATENATED MODULE: ./src/iterinfo/monthinfo.ts
-
-
-function rebuildMonth(year, month, yearlen, mrange, wdaymask, options) {
-    var result = {
-        lastyear: year,
-        lastmonth: month,
-        nwdaymask: []
-    };
-    var ranges = [];
-    if (options.freq === src_rrule.YEARLY) {
-        if (Object(helpers["b" /* empty */])(options.bymonth)) {
-            ranges = [[0, yearlen]];
-        }
-        else {
-            for (var j = 0; j < options.bymonth.length; j++) {
-                month = options.bymonth[j];
-                ranges.push(mrange.slice(month - 1, month + 1));
-            }
-        }
-    }
-    else if (options.freq === src_rrule.MONTHLY) {
-        ranges = [mrange.slice(month - 1, month + 1)];
-    }
-    if (Object(helpers["b" /* empty */])(ranges)) {
-        return result;
-    }
-    // Weekly frequency won't get here, so we may not
-    // care about cross-year weekly periods.
-    result.nwdaymask = Object(helpers["l" /* repeat */])(0, yearlen);
-    for (var j = 0; j < ranges.length; j++) {
-        var rang = ranges[j];
-        var first = rang[0];
-        var last = rang[1] - 1;
-        for (var k = 0; k < options.bynweekday.length; k++) {
-            var i = void 0;
-            var _a = options.bynweekday[k], wday = _a[0], n = _a[1];
-            if (n < 0) {
-                i = last + (n + 1) * 7;
-                i -= Object(helpers["j" /* pymod */])(wdaymask[i] - wday, 7);
-            }
-            else {
-                i = first + (n - 1) * 7;
-                i += Object(helpers["j" /* pymod */])(7 - wdaymask[i] + wday, 7);
-            }
-            if (first <= i && i <= last)
-                result.nwdaymask[i] = 1;
-        }
-    }
-    return result;
-}
-
-// CONCATENATED MODULE: ./src/iterinfo/easter.ts
-function easter(y, offset) {
-    if (offset === void 0) { offset = 0; }
-    var a = y % 19;
-    var b = Math.floor(y / 100);
-    var c = y % 100;
-    var d = Math.floor(b / 4);
-    var e = b % 4;
-    var f = Math.floor((b + 8) / 25);
-    var g = Math.floor((b - f + 1) / 3);
-    var h = Math.floor(19 * a + b - d - g + 15) % 30;
-    var i = Math.floor(c / 4);
-    var k = c % 4;
-    var l = Math.floor(32 + 2 * e + 2 * i - h - k) % 7;
-    var m = Math.floor((a + 11 * h + 22 * l) / 451);
-    var month = Math.floor((h + l - 7 * m + 114) / 31);
-    var day = ((h + l - 7 * m + 114) % 31) + 1;
-    var date = Date.UTC(y, month - 1, day + offset);
-    var yearStart = Date.UTC(y, 0, 1);
-    return [Math.ceil((date - yearStart) / (1000 * 60 * 60 * 24))];
-}
-
-// CONCATENATED MODULE: ./src/iterinfo/index.ts
-
-
-
-
-
-
-
-// =============================================================================
-// Iterinfo
-// =============================================================================
-var iterinfo_Iterinfo = /** @class */ (function () {
-    function Iterinfo(options) {
-        this.options = options;
-    }
-    Iterinfo.prototype.rebuild = function (year, month) {
-        var options = this.options;
-        if (year !== this.lastyear) {
-            this.yearinfo = rebuildYear(year, options);
-        }
-        if (Object(helpers["h" /* notEmpty */])(options.bynweekday) &&
-            (month !== this.lastmonth || year !== this.lastyear)) {
-            var _a = this.yearinfo, yearlen = _a.yearlen, mrange = _a.mrange, wdaymask = _a.wdaymask;
-            this.monthinfo = rebuildMonth(year, month, yearlen, mrange, wdaymask, options);
-        }
-        if (Object(helpers["f" /* isPresent */])(options.byeaster)) {
-            this.eastermask = easter(year, options.byeaster);
-        }
-    };
-    Object.defineProperty(Iterinfo.prototype, "lastyear", {
-        get: function () {
-            return this.monthinfo ? this.monthinfo.lastyear : null;
-        },
-        enumerable: true,
-        configurable: true
-    });
-    Object.defineProperty(Iterinfo.prototype, "lastmonth", {
-        get: function () {
-            return this.monthinfo ? this.monthinfo.lastmonth : null;
-        },
-        enumerable: true,
-        configurable: true
-    });
-    Object.defineProperty(Iterinfo.prototype, "yearlen", {
-        get: function () {
-            return this.yearinfo.yearlen;
-        },
-        enumerable: true,
-        configurable: true
-    });
-    Object.defineProperty(Iterinfo.prototype, "yearordinal", {
-        get: function () {
-            return this.yearinfo.yearordinal;
-        },
-        enumerable: true,
-        configurable: true
-    });
-    Object.defineProperty(Iterinfo.prototype, "mrange", {
-        get: function () {
-            return this.yearinfo.mrange;
-        },
-        enumerable: true,
-        configurable: true
-    });
-    Object.defineProperty(Iterinfo.prototype, "wdaymask", {
-        get: function () {
-            return this.yearinfo.wdaymask;
-        },
-        enumerable: true,
-        configurable: true
-    });
-    Object.defineProperty(Iterinfo.prototype, "mmask", {
-        get: function () {
-            return this.yearinfo.mmask;
-        },
-        enumerable: true,
-        configurable: true
-    });
-    Object.defineProperty(Iterinfo.prototype, "wnomask", {
-        get: function () {
-            return this.yearinfo.wnomask;
-        },
-        enumerable: true,
-        configurable: true
-    });
-    Object.defineProperty(Iterinfo.prototype, "nwdaymask", {
-        get: function () {
-            return this.monthinfo ? this.monthinfo.nwdaymask : [];
-        },
-        enumerable: true,
-        configurable: true
-    });
-    Object.defineProperty(Iterinfo.prototype, "nextyearlen", {
-        get: function () {
-            return this.yearinfo.nextyearlen;
-        },
-        enumerable: true,
-        configurable: true
-    });
-    Object.defineProperty(Iterinfo.prototype, "mdaymask", {
-        get: function () {
-            return this.yearinfo.mdaymask;
-        },
-        enumerable: true,
-        configurable: true
-    });
-    Object.defineProperty(Iterinfo.prototype, "nmdaymask", {
-        get: function () {
-            return this.yearinfo.nmdaymask;
-        },
-        enumerable: true,
-        configurable: true
-    });
-    Iterinfo.prototype.ydayset = function () {
-        return [Object(helpers["k" /* range */])(this.yearlen), 0, this.yearlen];
-    };
-    Iterinfo.prototype.mdayset = function (_, month, __) {
-        var start = this.mrange[month - 1];
-        var end = this.mrange[month];
-        var set = Object(helpers["l" /* repeat */])(null, this.yearlen);
-        for (var i = start; i < end; i++)
-            set[i] = i;
-        return [set, start, end];
-    };
-    Iterinfo.prototype.wdayset = function (year, month, day) {
-        // We need to handle cross-year weeks here.
-        var set = Object(helpers["l" /* repeat */])(null, this.yearlen + 7);
-        var i = src_dateutil.toOrdinal(new Date(Date.UTC(year, month - 1, day))) -
-            this.yearordinal;
-        var start = i;
-        for (var j = 0; j < 7; j++) {
-            set[i] = i;
-            ++i;
-            if (this.wdaymask[i] === this.options.wkst)
-                break;
-        }
-        return [set, start, i];
-    };
-    Iterinfo.prototype.ddayset = function (year, month, day) {
-        var set = Object(helpers["l" /* repeat */])(null, this.yearlen);
-        var i = src_dateutil.toOrdinal(new Date(Date.UTC(year, month - 1, day))) -
-            this.yearordinal;
-        set[i] = i;
-        return [set, i, i + 1];
-    };
-    Iterinfo.prototype.htimeset = function (hour, _, second, millisecond) {
-        var _this = this;
-        var set = [];
-        this.options.byminute.forEach(function (minute) {
-            set = set.concat(_this.mtimeset(hour, minute, second, millisecond));
-        });
-        src_dateutil.sort(set);
-        return set;
-    };
-    Iterinfo.prototype.mtimeset = function (hour, minute, _, millisecond) {
-        var set = this.options.bysecond.map(function (second) {
-            return new Time(hour, minute, second, millisecond);
-        });
-        src_dateutil.sort(set);
-        return set;
-    };
-    Iterinfo.prototype.stimeset = function (hour, minute, second, millisecond) {
-        return [new Time(hour, minute, second, millisecond)];
-    };
-    Iterinfo.prototype.getdayset = function (freq) {
-        switch (freq) {
-            case Frequency.YEARLY: return this.ydayset.bind(this);
-            case Frequency.MONTHLY: return this.mdayset.bind(this);
-            case Frequency.WEEKLY: return this.wdayset.bind(this);
-            case Frequency.DAILY: return this.ddayset.bind(this);
-            default: return this.ddayset.bind(this);
-        }
-    };
-    Iterinfo.prototype.gettimeset = function (freq) {
-        switch (freq) {
-            case Frequency.HOURLY: return this.htimeset.bind(this);
-            case Frequency.MINUTELY: return this.mtimeset.bind(this);
-            case Frequency.SECONDLY: return this.stimeset.bind(this);
-        }
-    };
-    return Iterinfo;
-}());
-/* harmony default export */ var iterinfo = (iterinfo_Iterinfo);
-
-// CONCATENATED MODULE: ./src/iter/poslist.ts
-
-
-function buildPoslist(bysetpos, timeset, start, end, ii, dayset) {
-    var poslist = [];
-    for (var j = 0; j < bysetpos.length; j++) {
-        var daypos = void 0;
-        var timepos = void 0;
-        var pos = bysetpos[j];
-        if (pos < 0) {
-            daypos = Math.floor(pos / timeset.length);
-            timepos = Object(helpers["j" /* pymod */])(pos, timeset.length);
-        }
-        else {
-            daypos = Math.floor((pos - 1) / timeset.length);
-            timepos = Object(helpers["j" /* pymod */])(pos - 1, timeset.length);
-        }
-        var tmp = [];
-        for (var k = start; k < end; k++) {
-            var val = dayset[k];
-            if (!Object(helpers["f" /* isPresent */])(val))
-                continue;
-            tmp.push(val);
-        }
-        var i = void 0;
-        if (daypos < 0) {
-            i = tmp.slice(daypos)[0];
-        }
-        else {
-            i = tmp[daypos];
-        }
-        var time = timeset[timepos];
-        var date = src_dateutil.fromOrdinal(ii.yearordinal + i);
-        var res = src_dateutil.combine(date, time);
-        // XXX: can this ever be in the array?
-        // - compare the actual date instead?
-        if (!Object(helpers["c" /* includes */])(poslist, res))
-            poslist.push(res);
-    }
-    src_dateutil.sort(poslist);
-    return poslist;
-}
-
-// CONCATENATED MODULE: ./src/iter/index.ts
-
-
-
-
-
-
-
-
-
-function iter(iterResult, options) {
-    var dtstart = options.dtstart, freq = options.freq, interval = options.interval, until = options.until, bysetpos = options.bysetpos;
-    var count = options.count;
-    if (count === 0 || interval === 0) {
-        return emitResult(iterResult);
-    }
-    var counterDate = datetime_DateTime.fromDate(dtstart);
-    var ii = new iterinfo(options);
-    ii.rebuild(counterDate.year, counterDate.month);
-    var timeset = makeTimeset(ii, counterDate, options);
-    while (true) {
-        var _a = ii.getdayset(freq)(counterDate.year, counterDate.month, counterDate.day), dayset = _a[0], start = _a[1], end = _a[2];
-        var filtered = removeFilteredDays(dayset, start, end, ii, options);
-        if (Object(helpers["h" /* notEmpty */])(bysetpos)) {
-            var poslist = buildPoslist(bysetpos, timeset, start, end, ii, dayset);
-            for (var j = 0; j < poslist.length; j++) {
-                var res = poslist[j];
-                if (until && res > until) {
-                    return emitResult(iterResult);
-                }
-                if (res >= dtstart) {
-                    var rezonedDate = rezoneIfNeeded(res, options);
-                    if (!iterResult.accept(rezonedDate)) {
-                        return emitResult(iterResult);
-                    }
-                    if (count) {
-                        --count;
-                        if (!count) {
-                            return emitResult(iterResult);
-                        }
-                    }
-                }
-            }
-        }
-        else {
-            for (var j = start; j < end; j++) {
-                var currentDay = dayset[j];
-                if (!Object(helpers["f" /* isPresent */])(currentDay)) {
-                    continue;
-                }
-                var date = src_dateutil.fromOrdinal(ii.yearordinal + currentDay);
-                for (var k = 0; k < timeset.length; k++) {
-                    var time = timeset[k];
-                    var res = src_dateutil.combine(date, time);
-                    if (until && res > until) {
-                        return emitResult(iterResult);
-                    }
-                    if (res >= dtstart) {
-                        var rezonedDate = rezoneIfNeeded(res, options);
-                        if (!iterResult.accept(rezonedDate)) {
-                            return emitResult(iterResult);
-                        }
-                        if (count) {
-                            --count;
-                            if (!count) {
-                                return emitResult(iterResult);
-                            }
-                        }
-                    }
-                }
-            }
-        }
-        if (options.interval === 0) {
-            return emitResult(iterResult);
-        }
-        // Handle frequency and interval
-        counterDate.add(options, filtered);
-        if (counterDate.year > src_dateutil.MAXYEAR) {
-            return emitResult(iterResult);
-        }
-        if (!freqIsDailyOrGreater(freq)) {
-            timeset = ii.gettimeset(freq)(counterDate.hour, counterDate.minute, counterDate.second, 0);
-        }
-        ii.rebuild(counterDate.year, counterDate.month);
-    }
-}
-function isFiltered(ii, currentDay, options) {
-    var bymonth = options.bymonth, byweekno = options.byweekno, byweekday = options.byweekday, byeaster = options.byeaster, bymonthday = options.bymonthday, bynmonthday = options.bynmonthday, byyearday = options.byyearday;
-    return ((Object(helpers["h" /* notEmpty */])(bymonth) && !Object(helpers["c" /* includes */])(bymonth, ii.mmask[currentDay])) ||
-        (Object(helpers["h" /* notEmpty */])(byweekno) && !ii.wnomask[currentDay]) ||
-        (Object(helpers["h" /* notEmpty */])(byweekday) && !Object(helpers["c" /* includes */])(byweekday, ii.wdaymask[currentDay])) ||
-        (Object(helpers["h" /* notEmpty */])(ii.nwdaymask) && !ii.nwdaymask[currentDay]) ||
-        (byeaster !== null && !Object(helpers["c" /* includes */])(ii.eastermask, currentDay)) ||
-        ((Object(helpers["h" /* notEmpty */])(bymonthday) || Object(helpers["h" /* notEmpty */])(bynmonthday)) &&
-            !Object(helpers["c" /* includes */])(bymonthday, ii.mdaymask[currentDay]) &&
-            !Object(helpers["c" /* includes */])(bynmonthday, ii.nmdaymask[currentDay])) ||
-        (Object(helpers["h" /* notEmpty */])(byyearday) &&
-            ((currentDay < ii.yearlen &&
-                !Object(helpers["c" /* includes */])(byyearday, currentDay + 1) &&
-                !Object(helpers["c" /* includes */])(byyearday, -ii.yearlen + currentDay)) ||
-                (currentDay >= ii.yearlen &&
-                    !Object(helpers["c" /* includes */])(byyearday, currentDay + 1 - ii.yearlen) &&
-                    !Object(helpers["c" /* includes */])(byyearday, -ii.nextyearlen + currentDay - ii.yearlen)))));
-}
-function rezoneIfNeeded(date, options) {
-    return new datewithzone_DateWithZone(date, options.tzid).rezonedDate();
-}
-function emitResult(iterResult) {
-    return iterResult.getValue();
-}
-function removeFilteredDays(dayset, start, end, ii, options) {
-    var filtered = false;
-    for (var dayCounter = start; dayCounter < end; dayCounter++) {
-        var currentDay = dayset[dayCounter];
-        filtered = isFiltered(ii, currentDay, options);
-        if (filtered)
-            dayset[currentDay] = null;
-    }
-    return filtered;
-}
-function makeTimeset(ii, counterDate, options) {
-    var freq = options.freq, byhour = options.byhour, byminute = options.byminute, bysecond = options.bysecond;
-    if (freqIsDailyOrGreater(freq)) {
-        return buildTimeset(options);
-    }
-    if ((freq >= src_rrule.HOURLY &&
-        Object(helpers["h" /* notEmpty */])(byhour) &&
-        !Object(helpers["c" /* includes */])(byhour, counterDate.hour)) ||
-        (freq >= src_rrule.MINUTELY &&
-            Object(helpers["h" /* notEmpty */])(byminute) &&
-            !Object(helpers["c" /* includes */])(byminute, counterDate.minute)) ||
-        (freq >= src_rrule.SECONDLY &&
-            Object(helpers["h" /* notEmpty */])(bysecond) &&
-            !Object(helpers["c" /* includes */])(bysecond, counterDate.second))) {
-        return [];
-    }
-    return ii.gettimeset(freq)(counterDate.hour, counterDate.minute, counterDate.second, counterDate.millisecond);
-}
-
-// CONCATENATED MODULE: ./src/rrule.ts
-
-
-
-
-
-
-
-
-
-
-var getnlp = function () {
-    // Lazy, runtime import to avoid circular refs.
-    if (!getnlp._nlp) {
-        getnlp._nlp = __webpack_require__(4);
-    }
-    return getnlp._nlp;
-};
-// =============================================================================
-// RRule
-// =============================================================================
-var Days = {
-    MO: new weekday["b" /* Weekday */](0),
-    TU: new weekday["b" /* Weekday */](1),
-    WE: new weekday["b" /* Weekday */](2),
-    TH: new weekday["b" /* Weekday */](3),
-    FR: new weekday["b" /* Weekday */](4),
-    SA: new weekday["b" /* Weekday */](5),
-    SU: new weekday["b" /* Weekday */](6)
-};
-var DEFAULT_OPTIONS = {
-    freq: Frequency.YEARLY,
-    dtstart: null,
-    interval: 1,
-    wkst: Days.MO,
-    count: null,
-    until: null,
-    tzid: null,
-    bysetpos: null,
-    bymonth: null,
-    bymonthday: null,
-    bynmonthday: null,
-    byyearday: null,
-    byweekno: null,
-    byweekday: null,
-    bynweekday: null,
-    byhour: null,
-    byminute: null,
-    bysecond: null,
-    byeaster: null
-};
-var rrule_defaultKeys = Object.keys(DEFAULT_OPTIONS);
-/**
- *
- * @param {Options?} options - see <http://labix.org/python-dateutil/#head-cf004ee9a75592797e076752b2a889c10f445418>
- *        The only required option is `freq`, one of RRule.YEARLY, RRule.MONTHLY, ...
- * @constructor
- */
-var rrule_RRule = /** @class */ (function () {
-    function RRule(options, noCache) {
-        if (options === void 0) { options = {}; }
-        if (noCache === void 0) { noCache = false; }
-        // RFC string
-        this._cache = noCache ? null : new cache_Cache();
-        // used by toString()
-        this.origOptions = initializeOptions(options);
-        var parsedOptions = parseOptions(options).parsedOptions;
-        this.options = parsedOptions;
-    }
-    RRule.parseText = function (text, language) {
-        return getnlp().parseText(text, language);
-    };
-    RRule.fromText = function (text, language) {
-        return getnlp().fromText(text, language);
-    };
-    RRule.fromString = function (str) {
-        return new RRule(RRule.parseString(str) || undefined);
-    };
-    RRule.prototype._iter = function (iterResult) {
-        return iter(iterResult, this.options);
-    };
-    RRule.prototype._cacheGet = function (what, args) {
-        if (!this._cache)
-            return false;
-        return this._cache._cacheGet(what, args);
-    };
-    RRule.prototype._cacheAdd = function (what, value, args) {
-        if (!this._cache)
-            return;
-        return this._cache._cacheAdd(what, value, args);
-    };
-    /**
-     * @param {Function} iterator - optional function that will be called
-     *                   on each date that is added. It can return false
-     *                   to stop the iteration.
-     * @return Array containing all recurrences.
-     */
-    RRule.prototype.all = function (iterator) {
-        if (iterator) {
-            return this._iter(new callbackiterresult('all', {}, iterator));
-        }
-        var result = this._cacheGet('all');
-        if (result === false) {
-            result = this._iter(new iterresult('all', {}));
-            this._cacheAdd('all', result);
-        }
-        return result;
-    };
-    /**
-     * Returns all the occurrences of the rrule between after and before.
-     * The inc keyword defines what happens if after and/or before are
-     * themselves occurrences. With inc == True, they will be included in the
-     * list, if they are found in the recurrence set.
-     * @return Array
-     */
-    RRule.prototype.between = function (after, before, inc, iterator) {
-        if (inc === void 0) { inc = false; }
-        if (!src_dateutil.isValidDate(after) || !src_dateutil.isValidDate(before))
-            throw new Error('Invalid date passed in to RRule.between');
-        var args = {
-            before: before,
-            after: after,
-            inc: inc
-        };
-        if (iterator) {
-            return this._iter(new callbackiterresult('between', args, iterator));
-        }
-        var result = this._cacheGet('between', args);
-        if (result === false) {
-            result = this._iter(new iterresult('between', args));
-            this._cacheAdd('between', result, args);
-        }
-        return result;
-    };
-    /**
-     * Returns the last recurrence before the given datetime instance.
-     * The inc keyword defines what happens if dt is an occurrence.
-     * With inc == True, if dt itself is an occurrence, it will be returned.
-     * @return Date or null
-     */
-    RRule.prototype.before = function (dt, inc) {
-        if (inc === void 0) { inc = false; }
-        if (!src_dateutil.isValidDate(dt))
-            throw new Error('Invalid date passed in to RRule.before');
-        var args = { dt: dt, inc: inc };
-        var result = this._cacheGet('before', args);
-        if (result === false) {
-            result = this._iter(new iterresult('before', args));
-            this._cacheAdd('before', result, args);
-        }
-        return result;
-    };
-    /**
-     * Returns the first recurrence after the given datetime instance.
-     * The inc keyword defines what happens if dt is an occurrence.
-     * With inc == True, if dt itself is an occurrence, it will be returned.
-     * @return Date or null
-     */
-    RRule.prototype.after = function (dt, inc) {
-        if (inc === void 0) { inc = false; }
-        if (!src_dateutil.isValidDate(dt))
-            throw new Error('Invalid date passed in to RRule.after');
-        var args = { dt: dt, inc: inc };
-        var result = this._cacheGet('after', args);
-        if (result === false) {
-            result = this._iter(new iterresult('after', args));
-            this._cacheAdd('after', result, args);
-        }
-        return result;
-    };
-    /**
-     * Returns the number of recurrences in this set. It will have go trough
-     * the whole recurrence, if this hasn't been done before.
-     */
-    RRule.prototype.count = function () {
-        return this.all().length;
-    };
-    /**
-     * Converts the rrule into its string representation
-     * @see <http://www.ietf.org/rfc/rfc2445.txt>
-     * @return String
-     */
-    RRule.prototype.toString = function () {
-        return optionsToString(this.origOptions);
-    };
-    /**
-     * Will convert all rules described in nlp:ToText
-     * to text.
-     */
-    RRule.prototype.toText = function (gettext, language, dateFormatter) {
-        return getnlp().toText(this, gettext, language, dateFormatter);
-    };
-    RRule.prototype.isFullyConvertibleToText = function () {
-        return getnlp().isFullyConvertible(this);
-    };
-    /**
-     * @return a RRule instance with the same freq and options
-     *          as this one (cache is not cloned)
-     */
-    RRule.prototype.clone = function () {
-        return new RRule(this.origOptions);
-    };
-    // RRule class 'constants'
-    RRule.FREQUENCIES = [
-        'YEARLY',
-        'MONTHLY',
-        'WEEKLY',
-        'DAILY',
-        'HOURLY',
-        'MINUTELY',
-        'SECONDLY'
-    ];
-    RRule.YEARLY = Frequency.YEARLY;
-    RRule.MONTHLY = Frequency.MONTHLY;
-    RRule.WEEKLY = Frequency.WEEKLY;
-    RRule.DAILY = Frequency.DAILY;
-    RRule.HOURLY = Frequency.HOURLY;
-    RRule.MINUTELY = Frequency.MINUTELY;
-    RRule.SECONDLY = Frequency.SECONDLY;
-    RRule.MO = Days.MO;
-    RRule.TU = Days.TU;
-    RRule.WE = Days.WE;
-    RRule.TH = Days.TH;
-    RRule.FR = Days.FR;
-    RRule.SA = Days.SA;
-    RRule.SU = Days.SU;
-    RRule.parseString = parseString;
-    RRule.optionsToString = optionsToString;
-    return RRule;
-}());
-/* harmony default export */ var src_rrule = (rrule_RRule);
-
-// CONCATENATED MODULE: ./src/iterset.ts
-
-
-
-function iterSet(iterResult, _rrule, _exrule, _rdate, _exdate, tzid) {
-    var _exdateHash = {};
-    var _accept = iterResult.accept;
-    function evalExdate(after, before) {
-        _exrule.forEach(function (rrule) {
-            rrule.between(after, before, true).forEach(function (date) {
-                _exdateHash[Number(date)] = true;
-            });
-        });
-    }
-    _exdate.forEach(function (date) {
-        var zonedDate = new datewithzone_DateWithZone(date, tzid).rezonedDate();
-        _exdateHash[Number(zonedDate)] = true;
-    });
-    iterResult.accept = function (date) {
-        var dt = Number(date);
-        if (isNaN(dt))
-            return _accept.call(this, date);
-        if (!_exdateHash[dt]) {
-            evalExdate(new Date(dt - 1), new Date(dt + 1));
-            if (!_exdateHash[dt]) {
-                _exdateHash[dt] = true;
-                return _accept.call(this, date);
-            }
-        }
-        return true;
-    };
-    if (iterResult.method === 'between') {
-        evalExdate(iterResult.args.after, iterResult.args.before);
-        iterResult.accept = function (date) {
-            var dt = Number(date);
-            if (!_exdateHash[dt]) {
-                _exdateHash[dt] = true;
-                return _accept.call(this, date);
-            }
-            return true;
-        };
-    }
-    for (var i = 0; i < _rdate.length; i++) {
-        var zonedDate = new datewithzone_DateWithZone(_rdate[i], tzid).rezonedDate();
-        if (!iterResult.accept(new Date(zonedDate.getTime())))
-            break;
-    }
-    _rrule.forEach(function (rrule) {
-        iter(iterResult, rrule.options);
-    });
-    var res = iterResult._result;
-    src_dateutil.sort(res);
-    switch (iterResult.method) {
-        case 'all':
-        case 'between':
-            return res;
-        case 'before':
-            return ((res.length && res[res.length - 1]) || null);
-        case 'after':
-        default:
-            return ((res.length && res[0]) || null);
-    }
-}
-
-// CONCATENATED MODULE: ./src/rrulestr.ts
-
-
-
-
-
-
-/**
- * RRuleStr
- *  To parse a set of rrule strings
- */
-var rrulestr_DEFAULT_OPTIONS = {
-    dtstart: null,
-    cache: false,
-    unfold: false,
-    forceset: false,
-    compatible: false,
-    tzid: null
-};
-function parseInput(s, options) {
-    var rrulevals = [];
-    var rdatevals = [];
-    var exrulevals = [];
-    var exdatevals = [];
-    var _a = parseDtstart(s), dtstart = _a.dtstart, tzid = _a.tzid;
-    var lines = splitIntoLines(s, options.unfold);
-    lines.forEach(function (line) {
-        if (!line)
-            return;
-        var _a = breakDownLine(line), name = _a.name, parms = _a.parms, value = _a.value;
-        switch (name.toUpperCase()) {
-            case 'RRULE':
-                if (parms.length) {
-                    throw new Error("unsupported RRULE parm: " + parms.join(','));
-                }
-                rrulevals.push(parseString(line));
-                break;
-            case 'RDATE':
-                var _b = /RDATE(?:;TZID=([^:=]+))?/i.exec(line), _ = _b[0], rdateTzid = _b[1];
-                if (rdateTzid && !tzid) {
-                    tzid = rdateTzid;
-                }
-                rdatevals = rdatevals.concat(parseRDate(value, parms));
-                break;
-            case 'EXRULE':
-                if (parms.length) {
-                    throw new Error("unsupported EXRULE parm: " + parms.join(','));
-                }
-                exrulevals.push(parseString(value));
-                break;
-            case 'EXDATE':
-                exdatevals = exdatevals.concat(parseRDate(value, parms));
-                break;
-            case 'DTSTART':
-                break;
-            default:
-                throw new Error('unsupported property: ' + name);
-        }
-    });
-    return {
-        dtstart: dtstart,
-        tzid: tzid,
-        rrulevals: rrulevals,
-        rdatevals: rdatevals,
-        exrulevals: exrulevals,
-        exdatevals: exdatevals
-    };
-}
-function buildRule(s, options) {
-    var _a = parseInput(s, options), rrulevals = _a.rrulevals, rdatevals = _a.rdatevals, exrulevals = _a.exrulevals, exdatevals = _a.exdatevals, dtstart = _a.dtstart, tzid = _a.tzid;
-    var noCache = options.cache === false;
-    if (options.compatible) {
-        options.forceset = true;
-        options.unfold = true;
-    }
-    if (options.forceset ||
-        rrulevals.length > 1 ||
-        rdatevals.length ||
-        exrulevals.length ||
-        exdatevals.length) {
-        var rset_1 = new rruleset(noCache);
-        rset_1.dtstart(dtstart);
-        rset_1.tzid(tzid || undefined);
-        rrulevals.forEach(function (val) {
-            rset_1.rrule(new src_rrule(groomRruleOptions(val, dtstart, tzid), noCache));
-        });
-        rdatevals.forEach(function (date) {
-            rset_1.rdate(date);
-        });
-        exrulevals.forEach(function (val) {
-            rset_1.exrule(new src_rrule(groomRruleOptions(val, dtstart, tzid), noCache));
-        });
-        exdatevals.forEach(function (date) {
-            rset_1.exdate(date);
-        });
-        if (options.compatible && options.dtstart)
-            rset_1.rdate(dtstart);
-        return rset_1;
-    }
-    var val = rrulevals[0] || {};
-    return new src_rrule(groomRruleOptions(val, val.dtstart || options.dtstart || dtstart, val.tzid || options.tzid || tzid), noCache);
-}
-function rrulestr(s, options) {
-    if (options === void 0) { options = {}; }
-    return buildRule(s, rrulestr_initializeOptions(options));
-}
-function groomRruleOptions(val, dtstart, tzid) {
-    return __assign(__assign({}, val), { dtstart: dtstart,
-        tzid: tzid });
-}
-function rrulestr_initializeOptions(options) {
-    var invalid = [];
-    var keys = Object.keys(options);
-    var defaultKeys = Object.keys(rrulestr_DEFAULT_OPTIONS);
-    keys.forEach(function (key) {
-        if (!Object(helpers["c" /* includes */])(defaultKeys, key))
-            invalid.push(key);
-    });
-    if (invalid.length) {
-        throw new Error('Invalid options: ' + invalid.join(', '));
-    }
-    return __assign(__assign({}, rrulestr_DEFAULT_OPTIONS), options);
-}
-function extractName(line) {
-    if (line.indexOf(':') === -1) {
-        return {
-            name: 'RRULE',
-            value: line
-        };
-    }
-    var _a = Object(helpers["m" /* split */])(line, ':', 1), name = _a[0], value = _a[1];
-    return {
-        name: name,
-        value: value
-    };
-}
-function breakDownLine(line) {
-    var _a = extractName(line), name = _a.name, value = _a.value;
-    var parms = name.split(';');
-    if (!parms)
-        throw new Error('empty property name');
-    return {
-        name: parms[0].toUpperCase(),
-        parms: parms.slice(1),
-        value: value
-    };
-}
-function splitIntoLines(s, unfold) {
-    if (unfold === void 0) { unfold = false; }
-    s = s && s.trim();
-    if (!s)
-        throw new Error('Invalid empty string');
-    // More info about 'unfold' option
-    // Go head to http://www.ietf.org/rfc/rfc2445.txt
-    if (!unfold) {
-        return s.split(/\s/);
-    }
-    var lines = s.split('\n');
-    var i = 0;
-    while (i < lines.length) {
-        // TODO
-        var line = (lines[i] = lines[i].replace(/\s+$/g, ''));
-        if (!line) {
-            lines.splice(i, 1);
-        }
-        else if (i > 0 && line[0] === ' ') {
-            lines[i - 1] += line.slice(1);
-            lines.splice(i, 1);
-        }
-        else {
-            i += 1;
-        }
-    }
-    return lines;
-}
-function validateDateParm(parms) {
-    parms.forEach(function (parm) {
-        if (!/(VALUE=DATE(-TIME)?)|(TZID=)/.test(parm)) {
-            throw new Error('unsupported RDATE/EXDATE parm: ' + parm);
-        }
-    });
-}
-function parseRDate(rdateval, parms) {
-    validateDateParm(parms);
-    return rdateval
-        .split(',')
-        .map(function (datestr) { return src_dateutil.untilStringToDate(datestr); });
-}
-
-// CONCATENATED MODULE: ./src/rruleset.ts
-
-
-
-
-
-
-
-function createGetterSetter(fieldName) {
-    var _this = this;
-    return function (field) {
-        if (field !== undefined) {
-            _this["_" + fieldName] = field;
-        }
-        if (_this["_" + fieldName] !== undefined) {
-            return _this["_" + fieldName];
-        }
-        for (var i = 0; i < _this._rrule.length; i++) {
-            var field_1 = _this._rrule[i].origOptions[fieldName];
-            if (field_1) {
-                return field_1;
-            }
-        }
-    };
-}
-var rruleset_RRuleSet = /** @class */ (function (_super) {
-    __extends(RRuleSet, _super);
-    /**
-     *
-     * @param {Boolean?} noCache
-     *  The same stratagy as RRule on cache, default to false
-     * @constructor
-     */
-    function RRuleSet(noCache) {
-        if (noCache === void 0) { noCache = false; }
-        var _this = _super.call(this, {}, noCache) || this;
-        _this.dtstart = createGetterSetter.apply(_this, ['dtstart']);
-        _this.tzid = createGetterSetter.apply(_this, ['tzid']);
-        _this._rrule = [];
-        _this._rdate = [];
-        _this._exrule = [];
-        _this._exdate = [];
-        return _this;
-    }
-    RRuleSet.prototype._iter = function (iterResult) {
-        return iterSet(iterResult, this._rrule, this._exrule, this._rdate, this._exdate, this.tzid());
-    };
-    /**
-     * Adds an RRule to the set
-     *
-     * @param {RRule}
-     */
-    RRuleSet.prototype.rrule = function (rrule) {
-        _addRule(rrule, this._rrule);
-    };
-    /**
-     * Adds an EXRULE to the set
-     *
-     * @param {RRule}
-     */
-    RRuleSet.prototype.exrule = function (rrule) {
-        _addRule(rrule, this._exrule);
-    };
-    /**
-     * Adds an RDate to the set
-     *
-     * @param {Date}
-     */
-    RRuleSet.prototype.rdate = function (date) {
-        _addDate(date, this._rdate);
-    };
-    /**
-     * Adds an EXDATE to the set
-     *
-     * @param {Date}
-     */
-    RRuleSet.prototype.exdate = function (date) {
-        _addDate(date, this._exdate);
-    };
-    /**
-     * Get list of included rrules in this recurrence set.
-     *
-     * @return List of rrules
-     */
-    RRuleSet.prototype.rrules = function () {
-        return this._rrule.map(function (e) { return rrulestr(e.toString()); });
-    };
-    /**
-     * Get list of excluded rrules in this recurrence set.
-     *
-     * @return List of exrules
-     */
-    RRuleSet.prototype.exrules = function () {
-        return this._exrule.map(function (e) { return rrulestr(e.toString()); });
-    };
-    /**
-     * Get list of included datetimes in this recurrence set.
-     *
-     * @return List of rdates
-     */
-    RRuleSet.prototype.rdates = function () {
-        return this._rdate.map(function (e) { return new Date(e.getTime()); });
-    };
-    /**
-     * Get list of included datetimes in this recurrence set.
-     *
-     * @return List of exdates
-     */
-    RRuleSet.prototype.exdates = function () {
-        return this._exdate.map(function (e) { return new Date(e.getTime()); });
-    };
-    RRuleSet.prototype.valueOf = function () {
-        var result = [];
-        if (!this._rrule.length && this._dtstart) {
-            result = result.concat(optionsToString({ dtstart: this._dtstart }));
-        }
-        this._rrule.forEach(function (rrule) {
-            result = result.concat(rrule.toString().split('\n'));
-        });
-        this._exrule.forEach(function (exrule) {
-            result = result.concat(exrule.toString().split('\n')
-                .map(function (line) { return line.replace(/^RRULE:/, 'EXRULE:'); })
-                .filter(function (line) { return !/^DTSTART/.test(line); }));
-        });
-        if (this._rdate.length) {
-            result.push(rdatesToString('RDATE', this._rdate, this.tzid()));
-        }
-        if (this._exdate.length) {
-            result.push(rdatesToString('EXDATE', this._exdate, this.tzid()));
-        }
-        return result;
-    };
-    /**
-     * to generate recurrence field such as:
-     *   DTSTART:19970902T010000Z
-     *   RRULE:FREQ=YEARLY;COUNT=2;BYDAY=TU
-     *   RRULE:FREQ=YEARLY;COUNT=1;BYDAY=TH
-     */
-    RRuleSet.prototype.toString = function () {
-        return this.valueOf().join('\n');
-    };
-    /**
-     * Create a new RRuleSet Object completely base on current instance
-     */
-    RRuleSet.prototype.clone = function () {
-        var rrs = new RRuleSet(!!this._cache);
-        this._rrule.forEach(function (rule) { return rrs.rrule(rule.clone()); });
-        this._exrule.forEach(function (rule) { return rrs.exrule(rule.clone()); });
-        this._rdate.forEach(function (date) { return rrs.rdate(new Date(date.getTime())); });
-        this._exdate.forEach(function (date) { return rrs.exdate(new Date(date.getTime())); });
-        return rrs;
-    };
-    return RRuleSet;
-}(src_rrule));
-/* harmony default export */ var rruleset = (rruleset_RRuleSet);
-function _addRule(rrule, collection) {
-    if (!(rrule instanceof src_rrule)) {
-        throw new TypeError(String(rrule) + ' is not RRule instance');
-    }
-    if (!Object(helpers["c" /* includes */])(collection.map(String), String(rrule))) {
-        collection.push(rrule);
-    }
-}
-function _addDate(date, collection) {
-    if (!(date instanceof Date)) {
-        throw new TypeError(String(date) + ' is not Date instance');
-    }
-    if (!Object(helpers["c" /* includes */])(collection.map(Number), Number(date))) {
-        collection.push(date);
-        src_dateutil.sort(collection);
-    }
-}
-function rdatesToString(param, rdates, tzid) {
-    var isUTC = !tzid || tzid.toUpperCase() === 'UTC';
-    var header = isUTC ? param + ":" : param + ";TZID=" + tzid + ":";
-    var dateString = rdates
-        .map(function (rdate) { return src_dateutil.timeToUntilString(rdate.valueOf(), isUTC); })
-        .join(',');
-    return "" + header + dateString;
-}
-
-// CONCATENATED MODULE: ./src/index.ts
-/* concated harmony reexport Frequency */__webpack_require__.d(__webpack_exports__, "Frequency", function() { return Frequency; });
-/* concated harmony reexport Weekday */__webpack_require__.d(__webpack_exports__, "Weekday", function() { return weekday["b" /* Weekday */]; });
-/* concated harmony reexport RRule */__webpack_require__.d(__webpack_exports__, "RRule", function() { return src_rrule; });
-/* concated harmony reexport RRuleSet */__webpack_require__.d(__webpack_exports__, "RRuleSet", function() { return rruleset; });
-/* concated harmony reexport rrulestr */__webpack_require__.d(__webpack_exports__, "rrulestr", function() { return rrulestr; });
-/*!
- * rrule.js - Library for working with recurrence rules for calendar dates.
- * https://github.com/jakubroztocil/rrule
- *
- * Copyright 2010, Jakub Roztocil and Lars Schoning
- * Licenced under the BSD licence.
- * https://github.com/jakubroztocil/rrule/blob/master/LICENCE
- *
- * Based on:
- * python-dateutil - Extensions to the standard Python datetime module.
- * Copyright (c) 2003-2011 - Gustavo Niemeyer <gustavo@niemeyer.net>
- * Copyright (c) 2012 - Tomi Pieviläinen <tomi.pievilainen@iki.fi>
- * https://github.com/jakubroztocil/rrule/blob/master/LICENCE
- *
- */
-
-
-
-
-
-// =============================================================================
-// Export
-// =============================================================================
-
-/* harmony default export */ var src = __webpack_exports__["default"] = (src_rrule);
-
-
-/***/ }),
-/* 2 */
-/***/ (function(module, __webpack_exports__, __webpack_require__) {
-
-"use strict";
-/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "a", function() { return ALL_WEEKDAYS; });
-/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "b", function() { return Weekday; });
-// =============================================================================
-// Weekday
-// =============================================================================
-var ALL_WEEKDAYS = ['MO', 'TU', 'WE', 'TH', 'FR', 'SA', 'SU'];
-var Weekday = /** @class */ (function () {
-    function Weekday(weekday, n) {
-        if (n === 0)
-            throw new Error("Can't create weekday with n == 0");
-        this.weekday = weekday;
-        this.n = n;
-    }
-    Weekday.fromStr = function (str) {
-        return new Weekday(ALL_WEEKDAYS.indexOf(str));
-    };
-    // __call__ - Cannot call the object directly, do it through
-    // e.g. RRule.TH.nth(-1) instead,
-    Weekday.prototype.nth = function (n) {
-        return this.n === n ? this : new Weekday(this.weekday, n);
-    };
-    // __eq__
-    Weekday.prototype.equals = function (other) {
-        return this.weekday === other.weekday && this.n === other.n;
-    };
-    // __repr__
-    Weekday.prototype.toString = function () {
-        var s = ALL_WEEKDAYS[this.weekday];
-        if (this.n)
-            s = (this.n > 0 ? '+' : '') + String(this.n) + s;
-        return s;
-    };
-    Weekday.prototype.getJsWeekday = function () {
-        return this.weekday === 6 ? 0 : this.weekday + 1;
-    };
-    return Weekday;
-}());
-
-
-
-/***/ }),
-/* 3 */
-/***/ (function(module, exports) {
-
-module.exports = __WEBPACK_EXTERNAL_MODULE__3__;
-
-/***/ }),
-/* 4 */
-/***/ (function(module, __webpack_exports__, __webpack_require__) {
-
-"use strict";
-__webpack_require__.r(__webpack_exports__);
-
-// CONCATENATED MODULE: ./src/nlp/i18n.ts
-// =============================================================================
-// i18n
-// =============================================================================
-var ENGLISH = {
-    dayNames: [
-        'Sunday', 'Monday', 'Tuesday', 'Wednesday',
-        'Thursday', 'Friday', 'Saturday'
-    ],
-    monthNames: [
-        'January', 'February', 'March', 'April', 'May',
-        'June', 'July', 'August', 'September', 'October',
-        'November', 'December'
-    ],
-    tokens: {
-        'SKIP': /^[ \r\n\t]+|^\.$/,
-        'number': /^[1-9][0-9]*/,
-        'numberAsText': /^(one|two|three)/i,
-        'every': /^every/i,
-        'day(s)': /^days?/i,
-        'weekday(s)': /^weekdays?/i,
-        'week(s)': /^weeks?/i,
-        'hour(s)': /^hours?/i,
-        'minute(s)': /^minutes?/i,
-        'month(s)': /^months?/i,
-        'year(s)': /^years?/i,
-        'on': /^(on|in)/i,
-        'at': /^(at)/i,
-        'the': /^the/i,
-        'first': /^first/i,
-        'second': /^second/i,
-        'third': /^third/i,
-        'nth': /^([1-9][0-9]*)(\.|th|nd|rd|st)/i,
-        'last': /^last/i,
-        'for': /^for/i,
-        'time(s)': /^times?/i,
-        'until': /^(un)?til/i,
-        'monday': /^mo(n(day)?)?/i,
-        'tuesday': /^tu(e(s(day)?)?)?/i,
-        'wednesday': /^we(d(n(esday)?)?)?/i,
-        'thursday': /^th(u(r(sday)?)?)?/i,
-        'friday': /^fr(i(day)?)?/i,
-        'saturday': /^sa(t(urday)?)?/i,
-        'sunday': /^su(n(day)?)?/i,
-        'january': /^jan(uary)?/i,
-        'february': /^feb(ruary)?/i,
-        'march': /^mar(ch)?/i,
-        'april': /^apr(il)?/i,
-        'may': /^may/i,
-        'june': /^june?/i,
-        'july': /^july?/i,
-        'august': /^aug(ust)?/i,
-        'september': /^sep(t(ember)?)?/i,
-        'october': /^oct(ober)?/i,
-        'november': /^nov(ember)?/i,
-        'december': /^dec(ember)?/i,
-        'comma': /^(,\s*|(and|or)\s*)+/i
-    }
-};
-/* harmony default export */ var i18n = (ENGLISH);
-
-// EXTERNAL MODULE: ./src/index.ts + 22 modules
-var src = __webpack_require__(1);
-
-// EXTERNAL MODULE: ./src/helpers.ts
-var helpers = __webpack_require__(0);
-
-// CONCATENATED MODULE: ./src/nlp/totext.ts
-
-
-
-// =============================================================================
-// Helper functions
-// =============================================================================
-/**
- * Return true if a value is in an array
- */
-var contains = function (arr, val) {
-    return arr.indexOf(val) !== -1;
-};
-var defaultGetText = function (id) { return id.toString(); };
-var defaultDateFormatter = function (year, month, day) { return month + " " + day + ", " + year; };
-/**
- *
- * @param {RRule} rrule
- * Optional:
- * @param {Function} gettext function
- * @param {Object} language definition
- * @constructor
- */
-var totext_ToText = /** @class */ (function () {
-    function ToText(rrule, gettext, language, dateFormatter) {
-        if (gettext === void 0) { gettext = defaultGetText; }
-        if (language === void 0) { language = i18n; }
-        if (dateFormatter === void 0) { dateFormatter = defaultDateFormatter; }
-        this.text = [];
-        this.language = language || i18n;
-        this.gettext = gettext;
-        this.dateFormatter = dateFormatter;
-        this.rrule = rrule;
-        this.options = rrule.options;
-        this.origOptions = rrule.origOptions;
-        if (this.origOptions.bymonthday) {
-            var bymonthday = [].concat(this.options.bymonthday);
-            var bynmonthday = [].concat(this.options.bynmonthday);
-            bymonthday.sort(function (a, b) { return a - b; });
-            bynmonthday.sort(function (a, b) { return b - a; });
-            // 1, 2, 3, .., -5, -4, -3, ..
-            this.bymonthday = bymonthday.concat(bynmonthday);
-            if (!this.bymonthday.length)
-                this.bymonthday = null;
-        }
-        if (Object(helpers["f" /* isPresent */])(this.origOptions.byweekday)) {
-            var byweekday = !Object(helpers["d" /* isArray */])(this.origOptions.byweekday)
-                ? [this.origOptions.byweekday]
-                : this.origOptions.byweekday;
-            var days = String(byweekday);
-            this.byweekday = {
-                allWeeks: byweekday.filter(function (weekday) {
-                    return !weekday.n;
-                }),
-                someWeeks: byweekday.filter(function (weekday) {
-                    return Boolean(weekday.n);
-                }),
-                isWeekdays: days.indexOf('MO') !== -1 &&
-                    days.indexOf('TU') !== -1 &&
-                    days.indexOf('WE') !== -1 &&
-                    days.indexOf('TH') !== -1 &&
-                    days.indexOf('FR') !== -1 &&
-                    days.indexOf('SA') === -1 &&
-                    days.indexOf('SU') === -1,
-                isEveryDay: days.indexOf('MO') !== -1 &&
-                    days.indexOf('TU') !== -1 &&
-                    days.indexOf('WE') !== -1 &&
-                    days.indexOf('TH') !== -1 &&
-                    days.indexOf('FR') !== -1 &&
-                    days.indexOf('SA') !== -1 &&
-                    days.indexOf('SU') !== -1
-            };
-            var sortWeekDays = function (a, b) {
-                return a.weekday - b.weekday;
-            };
-            this.byweekday.allWeeks.sort(sortWeekDays);
-            this.byweekday.someWeeks.sort(sortWeekDays);
-            if (!this.byweekday.allWeeks.length)
-                this.byweekday.allWeeks = null;
-            if (!this.byweekday.someWeeks.length)
-                this.byweekday.someWeeks = null;
-        }
-        else {
-            this.byweekday = null;
-        }
-    }
-    /**
-     * Test whether the rrule can be fully converted to text.
-     * @param {RRule} rrule
-     * @return {Boolean}
-     */
-    ToText.isFullyConvertible = function (rrule) {
-        var canConvert = true;
-        if (!(rrule.options.freq in ToText.IMPLEMENTED))
-            return false;
-        if (rrule.origOptions.until && rrule.origOptions.count)
-            return false;
-        for (var key in rrule.origOptions) {
-            if (contains(['dtstart', 'wkst', 'freq'], key))
-                return true;
-            if (!contains(ToText.IMPLEMENTED[rrule.options.freq], key))
-                return false;
-        }
-        return canConvert;
-    };
-    ToText.prototype.isFullyConvertible = function () {
-        return ToText.isFullyConvertible(this.rrule);
-    };
-    /**
-     * Perform the conversion. Only some of the frequencies are supported.
-     * If some of the rrule's options aren't supported, they'll
-     * be omitted from the output an "(~ approximate)" will be appended.
-     * @return {*}
-     */
-    ToText.prototype.toString = function () {
-        var gettext = this.gettext;
-        if (!(this.options.freq in ToText.IMPLEMENTED)) {
-            return gettext('RRule error: Unable to fully convert this rrule to text');
-        }
-        this.text = [gettext('every')];
-        // @ts-ignore
-        this[src["default"].FREQUENCIES[this.options.freq]]();
-        if (this.options.until) {
-            this.add(gettext('until'));
-            var until = this.options.until;
-            this.add(this.dateFormatter(until.getUTCFullYear(), this.language.monthNames[until.getUTCMonth()], until.getUTCDate()));
-        }
-        else if (this.options.count) {
-            this.add(gettext('for'))
-                .add(this.options.count.toString())
-                .add(this.plural(this.options.count) ? gettext('times') : gettext('time'));
-        }
-        if (!this.isFullyConvertible())
-            this.add(gettext('(~ approximate)'));
-        return this.text.join('');
-    };
-    ToText.prototype.HOURLY = function () {
-        var gettext = this.gettext;
-        if (this.options.interval !== 1)
-            this.add(this.options.interval.toString());
-        this.add(this.plural(this.options.interval) ? gettext('hours') : gettext('hour'));
-    };
-    ToText.prototype.MINUTELY = function () {
-        var gettext = this.gettext;
-        if (this.options.interval !== 1)
-            this.add(this.options.interval.toString());
-        this.add(this.plural(this.options.interval)
-            ? gettext('minutes')
-            : gettext('minutes'));
-    };
-    ToText.prototype.DAILY = function () {
-        var gettext = this.gettext;
-        if (this.options.interval !== 1)
-            this.add(this.options.interval.toString());
-        if (this.byweekday && this.byweekday.isWeekdays) {
-            this.add(this.plural(this.options.interval)
-                ? gettext('weekdays')
-                : gettext('weekday'));
-        }
-        else {
-            this.add(this.plural(this.options.interval) ? gettext('days') : gettext('day'));
-        }
-        if (this.origOptions.bymonth) {
-            this.add(gettext('in'));
-            this._bymonth();
-        }
-        if (this.bymonthday) {
-            this._bymonthday();
-        }
-        else if (this.byweekday) {
-            this._byweekday();
-        }
-        else if (this.origOptions.byhour) {
-            this._byhour();
-        }
-    };
-    ToText.prototype.WEEKLY = function () {
-        var gettext = this.gettext;
-        if (this.options.interval !== 1) {
-            this.add(this.options.interval.toString()).add(this.plural(this.options.interval) ? gettext('weeks') : gettext('week'));
-        }
-        if (this.byweekday && this.byweekday.isWeekdays) {
-            if (this.options.interval === 1) {
-                this.add(this.plural(this.options.interval)
-                    ? gettext('weekdays')
-                    : gettext('weekday'));
-            }
-            else {
-                this.add(gettext('on')).add(gettext('weekdays'));
-            }
-        }
-        else if (this.byweekday && this.byweekday.isEveryDay) {
-            this.add(this.plural(this.options.interval) ? gettext('days') : gettext('day'));
-        }
-        else {
-            if (this.options.interval === 1)
-                this.add(gettext('week'));
-            if (this.origOptions.bymonth) {
-                this.add(gettext('in'));
-                this._bymonth();
-            }
-            if (this.bymonthday) {
-                this._bymonthday();
-            }
-            else if (this.byweekday) {
-                this._byweekday();
-            }
-        }
-    };
-    ToText.prototype.MONTHLY = function () {
-        var gettext = this.gettext;
-        if (this.origOptions.bymonth) {
-            if (this.options.interval !== 1) {
-                this.add(this.options.interval.toString()).add(gettext('months'));
-                if (this.plural(this.options.interval))
-                    this.add(gettext('in'));
-            }
-            else {
-                // this.add(gettext('MONTH'))
-            }
-            this._bymonth();
-        }
-        else {
-            if (this.options.interval !== 1)
-                this.add(this.options.interval.toString());
-            this.add(this.plural(this.options.interval)
-                ? gettext('months')
-                : gettext('month'));
-        }
-        if (this.bymonthday) {
-            this._bymonthday();
-        }
-        else if (this.byweekday && this.byweekday.isWeekdays) {
-            this.add(gettext('on')).add(gettext('weekdays'));
-        }
-        else if (this.byweekday) {
-            this._byweekday();
-        }
-    };
-    ToText.prototype.YEARLY = function () {
-        var gettext = this.gettext;
-        if (this.origOptions.bymonth) {
-            if (this.options.interval !== 1) {
-                this.add(this.options.interval.toString());
-                this.add(gettext('years'));
-            }
-            else {
-                // this.add(gettext('YEAR'))
-            }
-            this._bymonth();
-        }
-        else {
-            if (this.options.interval !== 1)
-                this.add(this.options.interval.toString());
-            this.add(this.plural(this.options.interval) ? gettext('years') : gettext('year'));
-        }
-        if (this.bymonthday) {
-            this._bymonthday();
-        }
-        else if (this.byweekday) {
-            this._byweekday();
-        }
-        if (this.options.byyearday) {
-            this.add(gettext('on the'))
-                .add(this.list(this.options.byyearday, this.nth, gettext('and')))
-                .add(gettext('day'));
-        }
-        if (this.options.byweekno) {
-            this.add(gettext('in'))
-                .add(this.plural(this.options.byweekno.length)
-                ? gettext('weeks')
-                : gettext('week'))
-                .add(this.list(this.options.byweekno, undefined, gettext('and')));
-        }
-    };
-    ToText.prototype._bymonthday = function () {
-        var gettext = this.gettext;
-        if (this.byweekday && this.byweekday.allWeeks) {
-            this.add(gettext('on'))
-                .add(this.list(this.byweekday.allWeeks, this.weekdaytext, gettext('or')))
-                .add(gettext('the'))
-                .add(this.list(this.bymonthday, this.nth, gettext('or')));
-        }
-        else {
-            this.add(gettext('on the')).add(this.list(this.bymonthday, this.nth, gettext('and')));
-        }
-        // this.add(gettext('DAY'))
-    };
-    ToText.prototype._byweekday = function () {
-        var gettext = this.gettext;
-        if (this.byweekday.allWeeks && !this.byweekday.isWeekdays) {
-            this.add(gettext('on')).add(this.list(this.byweekday.allWeeks, this.weekdaytext));
-        }
-        if (this.byweekday.someWeeks) {
-            if (this.byweekday.allWeeks)
-                this.add(gettext('and'));
-            this.add(gettext('on the')).add(this.list(this.byweekday.someWeeks, this.weekdaytext, gettext('and')));
-        }
-    };
-    ToText.prototype._byhour = function () {
-        var gettext = this.gettext;
-        this.add(gettext('at')).add(this.list(this.origOptions.byhour, undefined, gettext('and')));
-    };
-    ToText.prototype._bymonth = function () {
-        this.add(this.list(this.options.bymonth, this.monthtext, this.gettext('and')));
-    };
-    ToText.prototype.nth = function (n) {
-        n = parseInt(n.toString(), 10);
-        var nth;
-        var npos;
-        var gettext = this.gettext;
-        if (n === -1)
-            return gettext('last');
-        npos = Math.abs(n);
-        switch (npos) {
-            case 1:
-            case 21:
-            case 31:
-                nth = npos + gettext('st');
-                break;
-            case 2:
-            case 22:
-                nth = npos + gettext('nd');
-                break;
-            case 3:
-            case 23:
-                nth = npos + gettext('rd');
-                break;
-            default:
-                nth = npos + gettext('th');
-        }
-        return n < 0 ? nth + ' ' + gettext('last') : nth;
-    };
-    ToText.prototype.monthtext = function (m) {
-        return this.language.monthNames[m - 1];
-    };
-    ToText.prototype.weekdaytext = function (wday) {
-        var weekday = Object(helpers["e" /* isNumber */])(wday) ? (wday + 1) % 7 : wday.getJsWeekday();
-        return ((wday.n ? this.nth(wday.n) + ' ' : '') + this.language.dayNames[weekday]);
-    };
-    ToText.prototype.plural = function (n) {
-        return n % 100 !== 1;
-    };
-    ToText.prototype.add = function (s) {
-        this.text.push(' ');
-        this.text.push(s);
-        return this;
-    };
-    ToText.prototype.list = function (arr, callback, finalDelim, delim) {
-        if (delim === void 0) { delim = ','; }
-        if (!Object(helpers["d" /* isArray */])(arr)) {
-            arr = [arr];
-        }
-        var delimJoin = function (array, delimiter, finalDelimiter) {
-            var list = '';
-            for (var i = 0; i < array.length; i++) {
-                if (i !== 0) {
-                    if (i === array.length - 1) {
-                        list += ' ' + finalDelimiter + ' ';
-                    }
-                    else {
-                        list += delimiter + ' ';
-                    }
-                }
-                list += array[i];
-            }
-            return list;
-        };
-        callback =
-            callback ||
-                function (o) {
-                    return o.toString();
-                };
-        var self = this;
-        var realCallback = function (arg) {
-            return callback && callback.call(self, arg);
-        };
-        if (finalDelim) {
-            return delimJoin(arr.map(realCallback), delim, finalDelim);
-        }
-        else {
-            return arr.map(realCallback).join(delim + ' ');
-        }
-    };
-    return ToText;
-}());
-/* harmony default export */ var totext = (totext_ToText);
-
-// CONCATENATED MODULE: ./src/nlp/parsetext.ts
-
-
-// =============================================================================
-// Parser
-// =============================================================================
-var Parser = /** @class */ (function () {
-    function Parser(rules) {
-        this.done = true;
-        this.rules = rules;
-    }
-    Parser.prototype.start = function (text) {
-        this.text = text;
-        this.done = false;
-        return this.nextSymbol();
-    };
-    Parser.prototype.isDone = function () {
-        return this.done && this.symbol === null;
-    };
-    Parser.prototype.nextSymbol = function () {
-        var best;
-        var bestSymbol;
-        var p = this;
-        this.symbol = null;
-        this.value = null;
-        do {
-            if (this.done)
-                return false;
-            var rule = void 0;
-            best = null;
-            for (var name_1 in this.rules) {
-                rule = this.rules[name_1];
-                var match = rule.exec(p.text);
-                if (match) {
-                    if (best === null || match[0].length > best[0].length) {
-                        best = match;
-                        bestSymbol = name_1;
-                    }
-                }
-            }
-            if (best != null) {
-                this.text = this.text.substr(best[0].length);
-                if (this.text === '')
-                    this.done = true;
-            }
-            if (best == null) {
-                this.done = true;
-                this.symbol = null;
-                this.value = null;
-                return;
-            }
-            // @ts-ignore
-        } while (bestSymbol === 'SKIP');
-        // @ts-ignore
-        this.symbol = bestSymbol;
-        this.value = best;
-        return true;
-    };
-    Parser.prototype.accept = function (name) {
-        if (this.symbol === name) {
-            if (this.value) {
-                var v = this.value;
-                this.nextSymbol();
-                return v;
-            }
-            this.nextSymbol();
-            return true;
-        }
-        return false;
-    };
-    Parser.prototype.acceptNumber = function () {
-        return this.accept('number');
-    };
-    Parser.prototype.expect = function (name) {
-        if (this.accept(name))
-            return true;
-        throw new Error('expected ' + name + ' but found ' + this.symbol);
-    };
-    return Parser;
-}());
-function parseText(text, language) {
-    if (language === void 0) { language = i18n; }
-    var options = {};
-    var ttr = new Parser(language.tokens);
-    if (!ttr.start(text))
-        return null;
-    S();
-    return options;
-    function S() {
-        // every [n]
-        ttr.expect('every');
-        var n = ttr.acceptNumber();
-        if (n)
-            options.interval = parseInt(n[0], 10);
-        if (ttr.isDone())
-            throw new Error('Unexpected end');
-        switch (ttr.symbol) {
-            case 'day(s)':
-                options.freq = src["default"].DAILY;
-                if (ttr.nextSymbol()) {
-                    AT();
-                    F();
-                }
-                break;
-            // FIXME Note: every 2 weekdays != every two weeks on weekdays.
-            // DAILY on weekdays is not a valid rule
-            case 'weekday(s)':
-                options.freq = src["default"].WEEKLY;
-                options.byweekday = [
-                    src["default"].MO,
-                    src["default"].TU,
-                    src["default"].WE,
-                    src["default"].TH,
-                    src["default"].FR
-                ];
-                ttr.nextSymbol();
-                F();
-                break;
-            case 'week(s)':
-                options.freq = src["default"].WEEKLY;
-                if (ttr.nextSymbol()) {
-                    ON();
-                    F();
-                }
-                break;
-            case 'hour(s)':
-                options.freq = src["default"].HOURLY;
-                if (ttr.nextSymbol()) {
-                    ON();
-                    F();
-                }
-                break;
-            case 'minute(s)':
-                options.freq = src["default"].MINUTELY;
-                if (ttr.nextSymbol()) {
-                    ON();
-                    F();
-                }
-                break;
-            case 'month(s)':
-                options.freq = src["default"].MONTHLY;
-                if (ttr.nextSymbol()) {
-                    ON();
-                    F();
-                }
-                break;
-            case 'year(s)':
-                options.freq = src["default"].YEARLY;
-                if (ttr.nextSymbol()) {
-                    ON();
-                    F();
-                }
-                break;
-            case 'monday':
-            case 'tuesday':
-            case 'wednesday':
-            case 'thursday':
-            case 'friday':
-            case 'saturday':
-            case 'sunday':
-                options.freq = src["default"].WEEKLY;
-                var key = ttr.symbol.substr(0, 2).toUpperCase();
-                options.byweekday = [src["default"][key]];
-                if (!ttr.nextSymbol())
-                    return;
-                // TODO check for duplicates
-                while (ttr.accept('comma')) {
-                    if (ttr.isDone())
-                        throw new Error('Unexpected end');
-                    var wkd = decodeWKD();
-                    if (!wkd) {
-                        throw new Error('Unexpected symbol ' + ttr.symbol + ', expected weekday');
-                    }
-                    // @ts-ignore
-                    options.byweekday.push(src["default"][wkd]);
-                    ttr.nextSymbol();
-                }
-                MDAYs();
-                F();
-                break;
-            case 'january':
-            case 'february':
-            case 'march':
-            case 'april':
-            case 'may':
-            case 'june':
-            case 'july':
-            case 'august':
-            case 'september':
-            case 'october':
-            case 'november':
-            case 'december':
-                options.freq = src["default"].YEARLY;
-                options.bymonth = [decodeM()];
-                if (!ttr.nextSymbol())
-                    return;
-                // TODO check for duplicates
-                while (ttr.accept('comma')) {
-                    if (ttr.isDone())
-                        throw new Error('Unexpected end');
-                    var m = decodeM();
-                    if (!m) {
-                        throw new Error('Unexpected symbol ' + ttr.symbol + ', expected month');
-                    }
-                    options.bymonth.push(m);
-                    ttr.nextSymbol();
-                }
-                ON();
-                F();
-                break;
-            default:
-                throw new Error('Unknown symbol');
-        }
-    }
-    function ON() {
-        var on = ttr.accept('on');
-        var the = ttr.accept('the');
-        if (!(on || the))
-            return;
-        do {
-            var nth = decodeNTH();
-            var wkd = decodeWKD();
-            var m = decodeM();
-            // nth <weekday> | <weekday>
-            if (nth) {
-                // ttr.nextSymbol()
-                if (wkd) {
-                    ttr.nextSymbol();
-                    if (!options.byweekday)
-                        options.byweekday = [];
-                    // @ts-ignore
-                    options.byweekday.push(src["default"][wkd].nth(nth));
-                }
-                else {
-                    if (!options.bymonthday)
-                        options.bymonthday = [];
-                    // @ts-ignore
-                    options.bymonthday.push(nth);
-                    ttr.accept('day(s)');
-                }
-                // <weekday>
-            }
-            else if (wkd) {
-                ttr.nextSymbol();
-                if (!options.byweekday)
-                    options.byweekday = [];
-                // @ts-ignore
-                options.byweekday.push(src["default"][wkd]);
-            }
-            else if (ttr.symbol === 'weekday(s)') {
-                ttr.nextSymbol();
-                if (!options.byweekday) {
-                    options.byweekday = [
-                        src["default"].MO,
-                        src["default"].TU,
-                        src["default"].WE,
-                        src["default"].TH,
-                        src["default"].FR
-                    ];
-                }
-            }
-            else if (ttr.symbol === 'week(s)') {
-                ttr.nextSymbol();
-                var n = ttr.acceptNumber();
-                if (!n) {
-                    throw new Error('Unexpected symbol ' + ttr.symbol + ', expected week number');
-                }
-                options.byweekno = [parseInt(n[0], 10)];
-                while (ttr.accept('comma')) {
-                    n = ttr.acceptNumber();
-                    if (!n) {
-                        throw new Error('Unexpected symbol ' + ttr.symbol + '; expected monthday');
-                    }
-                    options.byweekno.push(parseInt(n[0], 10));
-                }
-            }
-            else if (m) {
-                ttr.nextSymbol();
-                if (!options.bymonth)
-                    options.bymonth = [];
-                // @ts-ignore
-                options.bymonth.push(m);
-            }
-            else {
-                return;
-            }
-        } while (ttr.accept('comma') || ttr.accept('the') || ttr.accept('on'));
-    }
-    function AT() {
-        var at = ttr.accept('at');
-        if (!at)
-            return;
-        do {
-            var n = ttr.acceptNumber();
-            if (!n) {
-                throw new Error('Unexpected symbol ' + ttr.symbol + ', expected hour');
-            }
-            options.byhour = [parseInt(n[0], 10)];
-            while (ttr.accept('comma')) {
-                n = ttr.acceptNumber();
-                if (!n) {
-                    throw new Error('Unexpected symbol ' + ttr.symbol + '; expected hour');
-                }
-                options.byhour.push(parseInt(n[0], 10));
-            }
-        } while (ttr.accept('comma') || ttr.accept('at'));
-    }
-    function decodeM() {
-        switch (ttr.symbol) {
-            case 'january':
-                return 1;
-            case 'february':
-                return 2;
-            case 'march':
-                return 3;
-            case 'april':
-                return 4;
-            case 'may':
-                return 5;
-            case 'june':
-                return 6;
-            case 'july':
-                return 7;
-            case 'august':
-                return 8;
-            case 'september':
-                return 9;
-            case 'october':
-                return 10;
-            case 'november':
-                return 11;
-            case 'december':
-                return 12;
-            default:
-                return false;
-        }
-    }
-    function decodeWKD() {
-        switch (ttr.symbol) {
-            case 'monday':
-            case 'tuesday':
-            case 'wednesday':
-            case 'thursday':
-            case 'friday':
-            case 'saturday':
-            case 'sunday':
-                return ttr.symbol.substr(0, 2).toUpperCase();
-            default:
-                return false;
-        }
-    }
-    function decodeNTH() {
-        switch (ttr.symbol) {
-            case 'last':
-                ttr.nextSymbol();
-                return -1;
-            case 'first':
-                ttr.nextSymbol();
-                return 1;
-            case 'second':
-                ttr.nextSymbol();
-                return ttr.accept('last') ? -2 : 2;
-            case 'third':
-                ttr.nextSymbol();
-                return ttr.accept('last') ? -3 : 3;
-            case 'nth':
-                var v = parseInt(ttr.value[1], 10);
-                if (v < -366 || v > 366)
-                    throw new Error('Nth out of range: ' + v);
-                ttr.nextSymbol();
-                return ttr.accept('last') ? -v : v;
-            default:
-                return false;
-        }
-    }
-    function MDAYs() {
-        ttr.accept('on');
-        ttr.accept('the');
-        var nth = decodeNTH();
-        if (!nth)
-            return;
-        options.bymonthday = [nth];
-        ttr.nextSymbol();
-        while (ttr.accept('comma')) {
-            nth = decodeNTH();
-            if (!nth) {
-                throw new Error('Unexpected symbol ' + ttr.symbol + '; expected monthday');
-            }
-            options.bymonthday.push(nth);
-            ttr.nextSymbol();
-        }
-    }
-    function F() {
-        if (ttr.symbol === 'until') {
-            var date = Date.parse(ttr.text);
-            if (!date)
-                throw new Error('Cannot parse until date:' + ttr.text);
-            options.until = new Date(date);
-        }
-        else if (ttr.accept('for')) {
-            options.count = parseInt(ttr.value[0], 10);
-            ttr.expect('number');
-            // ttr.expect('times')
-        }
-    }
-}
-
-// CONCATENATED MODULE: ./src/nlp/index.ts
-/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "fromText", function() { return fromText; });
-/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "isFullyConvertible", function() { return isFullyConvertible; });
-/* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "toText", function() { return toText; });
-/* concated harmony reexport parseText */__webpack_require__.d(__webpack_exports__, "parseText", function() { return parseText; });
-
-
-
-
-/*!
-* rrule.js - Library for working with recurrence rules for calendar dates.
-* https://github.com/jakubroztocil/rrule
-*
-* Copyright 2010, Jakub Roztocil and Lars Schoning
-* Licenced under the BSD licence.
-* https://github.com/jakubroztocil/rrule/blob/master/LICENCE
-*
-*/
-/**
- *
- * Implementation of RRule.fromText() and RRule::toText().
- *
- *
- * On the client side, this file needs to be included
- * when those functions are used.
- *
- */
-// =============================================================================
-// fromText
-// =============================================================================
-/**
- * Will be able to convert some of the below described rules from
- * text format to a rule object.
- *
- *
- * RULES
- *
- * Every ([n])
- *       day(s)
- *     | [weekday], ..., (and) [weekday]
- *     | weekday(s)
- *     | week(s)
- *     | month(s)
- *     | [month], ..., (and) [month]
- *     | year(s)
- *
- *
- * Plus 0, 1, or multiple of these:
- *
- * on [weekday], ..., (or) [weekday] the [monthday], [monthday], ... (or) [monthday]
- *
- * on [weekday], ..., (and) [weekday]
- *
- * on the [monthday], [monthday], ... (and) [monthday] (day of the month)
- *
- * on the [nth-weekday], ..., (and) [nth-weekday] (of the month/year)
- *
- *
- * Plus 0 or 1 of these:
- *
- * for [n] time(s)
- *
- * until [date]
- *
- * Plus (.)
- *
- *
- * Definitely no supported for parsing:
- *
- * (for year):
- *     in week(s) [n], ..., (and) [n]
- *
- *     on the [yearday], ..., (and) [n] day of the year
- *     on day [yearday], ..., (and) [n]
- *
- *
- * NON-TERMINALS
- *
- * [n]: 1, 2 ..., one, two, three ..
- * [month]: January, February, March, April, May, ... December
- * [weekday]: Monday, ... Sunday
- * [nth-weekday]: first [weekday], 2nd [weekday], ... last [weekday], ...
- * [monthday]: first, 1., 2., 1st, 2nd, second, ... 31st, last day, 2nd last day, ..
- * [date]:
- *     [month] (0-31(,) ([year])),
- *     (the) 0-31.(1-12.([year])),
- *     (the) 0-31/(1-12/([year])),
- *     [weekday]
- *
- * [year]: 0000, 0001, ... 01, 02, ..
- *
- * Definitely not supported for parsing:
- *
- * [yearday]: first, 1., 2., 1st, 2nd, second, ... 366th, last day, 2nd last day, ..
- *
- * @param {String} text
- * @return {Object, Boolean} the rule, or null.
- */
-var fromText = function (text, language) {
-    if (language === void 0) { language = i18n; }
-    return new src["default"](parseText(text, language) || undefined);
-};
-var common = [
-    'count',
-    'until',
-    'interval',
-    'byweekday',
-    'bymonthday',
-    'bymonth'
-];
-totext.IMPLEMENTED = [];
-totext.IMPLEMENTED[src["default"].HOURLY] = common;
-totext.IMPLEMENTED[src["default"].MINUTELY] = common;
-totext.IMPLEMENTED[src["default"].DAILY] = ['byhour'].concat(common);
-totext.IMPLEMENTED[src["default"].WEEKLY] = common;
-totext.IMPLEMENTED[src["default"].MONTHLY] = common;
-totext.IMPLEMENTED[src["default"].YEARLY] = ['byweekno', 'byyearday'].concat(common);
-// =============================================================================
-// Export
-// =============================================================================
-var toText = function (rrule, gettext, language, dateFormatter) {
-    return new totext(rrule, gettext, language, dateFormatter).toString();
-};
-var isFullyConvertible = totext.isFullyConvertible;
-
-
-
-/***/ })
-/******/ ]);
-});
-//# sourceMappingURL=rrule.js.map
\ No newline at end of file