added all files to project

2022-03-10 10:36:59 +01:00
parent 09dd957b33
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+body {
+    font: 14px/1.4 sans-serif;
+    color: #111;
+    background: #fafafa;
+}
+a {
+    color: #366097;
+}
+h2, h1 {
+    text-align: center;
+    font-family: georgia, serif;
+    font-size: 3em;
+    font-weight: normal;
+}
+h2 {
+    font-size: 2.5em;
+    margin-bottom: .7em;
+}
+
+pre, ol {
+    margin: 0
+}
+
+
+
+table {
+    border-collapse: collapse;
+    width: 100%;
+}
+
+table, td, th {
+    border: 1px solid #fafafa;
+}
+td, th {
+    padding: .4em;
+}
+
+tbody th {
+    text-align: right;
+    width: 10em;
+}
+
+code, label {
+    background: #fff;
+    border-radius: .3em;
+    padding: .2em .3em;
+    border: 1px solid #ededed;
+}
+
+
+label {
+    white-space: nowrap;
+    display: inline-block;
+    margin: 0 .3em .3em 0;
+    cursor: pointer;
+    font-size: .9em;
+}
+input:not([type=checkbox]):not([type=radio]), select {
+    width: 100%;
+    font-size: 1.4em;
+    box-sizing: border-box;
+}
+input {
+    padding: .2em;
+}
+
+.error {
+    color: red;
+}
+
+
+#page {
+    min-width: 960px;
+    margin: auto;
+}
+
+#intro {
+    text-align: center;
+    font-size: 1.2em;
+}
+
+/* Input
+-------------------------------------- */
+
+
+#tabs {
+    border-bottom: 1px solid #111;
+    text-align: center;
+}
+#tabs a {
+    background: #111;
+    border: 1px solid #111;
+    padding: .4em 1em;
+    margin: 0 .5em -1px;
+    color: #eee;
+    display: inline-block;
+    text-decoration: none;
+    font-weight: bold;
+    font-size: 1.1em;
+    border-top-left-radius: .2em;
+    border-top-right-radius: .2em;
+}
+#tabs a.active {
+    color: #111;
+    background: #fafafa;
+    border-bottom-color: #fafafa;
+}
+#input {
+    float: left;
+    width: 40%
+}
+#input th {
+    width: 7em !important;
+}
+#input section {
+    padding: 1em;
+}
+.examples li {
+    margin-bottom: .7em;
+}
+.examples code {
+    cursor: pointer;
+}
+#rfc-input input {
+    font-family: monospace;
+}
+
+#options-input input, #options-input select {
+    font-size: 1em;
+}
+.option-name  {
+    position: relative;
+    cursor: help;
+}
+.option-name .help {
+    border-radius: .3em;
+    font-weight: normal;
+    display: none;
+    position: absolute;
+    padding: 1em;
+    background: #333;
+    color: #fafafa;
+    border: 1px solid #000;
+    left: 110%;
+    right: -100%;
+    width: 350px;
+    text-align: left;
+    top: -1em;
+    box-shadow: 3px 3px 3px #888;
+    line-height: 1.6;
+    font-size: .9em;
+}
+.option-name .help code {
+    color: #fff;
+    background: #000;
+}
+.option-name:hover code:first-child{
+    background: #222;
+    color: #fafafa;
+}
+.option-name:hover .help {
+    display: block;
+}
+
+
+/* Output
+-------------------------------------- */
+
+
+#output {
+    float: right;
+    width: 58%
+}
+#output pre {
+    white-space: pre-wrap;
+}
+#output td {
+    background: #fff;
+}
+#output td, #output th {
+    vertical-align: top;
+}
+#output li {
+    font-family: monospace;
+}
+#output li:nth-child(even) {
+    background: #f1f1f1;
+}
+#dates {
+    font-size: .9em;
+}
+#dates td:first-child {
+    color: #ccc;
+}
+#dates td:first-child {
+    text-align: right;
+}
+#dates td.b {
+    background: #eaeaea;
+}
+#dates td.b {
+    background: #f0f0f0;
+}
+
+#output a {
+    color: inherit
+}
@@ -0,0 +1,2 @@
+export {};
+//# sourceMappingURL=demo.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"demo.d.ts","sourceRoot":"","sources":["../../../demo/demo.ts"],"names":[],"mappings":""}
@@ -0,0 +1,586 @@
+<!doctype html>
+<!-- GitHub pages homepage -->
+<html>
+
+<head>
+  <title>rrule.js demo</title>
+  <link rel="stylesheet" href="./dist/demo.css" />
+  <script type="text/javascript" src="./dist/demo.js"></script>
+</head>
+
+<body>
+  <div id="page">
+    <p>
+      <a href="https://github.com/jakubroztocil/rrule">Code and docs</a>
+    </p>
+    <h1>
+      <code>rrule.js</code> demo</h1>
+
+    <section id="intro">
+      <p>
+        This is a demo and test app for
+        <code>rrule.js</code>, a JavaScript library for working with recurrence rules for calendar dates.
+      </p>
+
+    </section>
+
+    <section id="output">
+      <h2>Output</h2>
+      <table>
+        <tr>
+          <th>
+            <code>rule =</code>
+          </th>
+          <td>
+            <pre id="init"></pre>
+          </td>
+        </tr>
+        <tr>
+          <th>
+            <code>rule.origOptions</code>
+          </th>
+          <td>
+            <pre id="options-output"></pre>
+          </td>
+        </tr>
+        <tr>
+          <th>
+            <code>rule.toString()</code>
+          </th>
+          <td>
+            <pre id="rfc-output"><a href=""></a></pre>
+          </td>
+        </tr>
+        <tr>
+          <th>
+            <code>rule.toText()</code>
+          </th>
+          <td>
+            <em id="text-output">
+              <a href=""></a>
+            </em>
+          </td>
+        </tr>
+        <tr>
+          <th>
+            <code>rule.all()</code>
+          </th>
+          <td>
+            <table id="dates"></table>
+          </td>
+        </tr>
+      </table>
+    </section>
+
+
+    <div id="input">
+      <h2>Input</h2>
+      <div id="tabs"></div>
+      <div id="input-types">
+        <section id="options-input">
+          <h3>Options</h3>
+
+          <form>
+            <table>
+
+              <tbody>
+                <tr>
+                  <th>
+                    <div class="option-name">
+                      <code>freq</code>
+
+                      <div class="help">Frequency</div>
+                    </div>
+                  </th>
+                  <td>
+                    <label>
+                      <input name="freq" type="radio" value="0" />RRule.YEARLY</label>
+                    <label>
+                      <input name="freq" type="radio" value="1" />RRule.MONTHLY</label>
+                    <label>
+                      <input name="freq" type="radio" value="2" checked />RRule.WEEKLY</label>
+                    <label>
+                      <input name="freq" type="radio" value="3" />RRule.DAILY</label>
+                    <label>
+                      <input name="freq" type="radio" value="4" />RRule.HOURLY</label>
+                    <label>
+                      <input name="freq" type="radio" value="5" />RRule.MINUTELY</label>
+                    <label>
+                      <input name="freq" type="radio" value="6" />RRule.SECONDLY</label>
+                  </td>
+                </tr>
+                <tr>
+                  <th>
+                    <div class="option-name">
+                      <code>dtstart</code>
+
+                      <div class="help">The recurrence start. Besides being the base for the recurrence, missing parameters in the final recurrence
+                        instances will also be extracted from this date. If not given,
+                        <code>new Date</code> will be used instead.
+                      </div>
+                    </div>
+                  </th>
+                  <td>
+                    <input name="dtstart" type="datetime-local" />
+                  </td>
+                </tr>
+                <tr>
+                  <th>
+                    <div class="option-name">
+                      <code>tzid</code>
+
+                      <div class="help">The timezone for the rule. If present, all recurrences will be interpreted as being in the local time
+                        of the given timezone. If not present, <code>UTC</code> will be used instead.
+                      </div>
+                    </div>
+                  </th>
+                  <td>
+                    <select name="tzid">
+                      <option value="">none (UTC)</option>
+                      <option value="Pacific/Midway">(GMT-11:00) Midway Island, Samoa</option>
+                      <option value="America/Adak">(GMT-10:00) Hawaii-Aleutian</option>
+                      <option value="Etc/GMT+10">(GMT-10:00) Hawaii</option>
+                      <option value="Pacific/Marquesas">(GMT-09:30) Marquesas Islands</option>
+                      <option value="Pacific/Gambier">(GMT-09:00) Gambier Islands</option>
+                      <option value="America/Anchorage">(GMT-09:00) Alaska</option>
+                      <option value="America/Ensenada">(GMT-08:00) Tijuana, Baja California</option>
+                      <option value="Etc/GMT+8">(GMT-08:00) Pitcairn Islands</option>
+                      <option value="America/Los_Angeles">(GMT-08:00) Pacific Time (US & Canada)</option>
+                      <option value="America/Denver">(GMT-07:00) Mountain Time (US & Canada)</option>
+                      <option value="America/Chihuahua">(GMT-07:00) Chihuahua, La Paz, Mazatlan</option>
+                      <option value="America/Dawson_Creek">(GMT-07:00) Arizona</option>
+                      <option value="America/Belize">(GMT-06:00) Saskatchewan, Central America</option>
+                      <option value="America/Cancun">(GMT-06:00) Guadalajara, Mexico City, Monterrey</option>
+                      <option value="Chile/EasterIsland">(GMT-06:00) Easter Island</option>
+                      <option value="America/Chicago">(GMT-06:00) Central Time (US & Canada)</option>
+                      <option value="America/New_York">(GMT-05:00) Eastern Time (US & Canada)</option>
+                      <option value="America/Havana">(GMT-05:00) Cuba</option>
+                      <option value="America/Bogota">(GMT-05:00) Bogota, Lima, Quito, Rio Branco</option>
+                      <option value="America/Caracas">(GMT-04:30) Caracas</option>
+                      <option value="America/Santiago">(GMT-04:00) Santiago</option>
+                      <option value="America/La_Paz">(GMT-04:00) La Paz</option>
+                      <option value="Atlantic/Stanley">(GMT-04:00) Faukland Islands</option>
+                      <option value="America/Campo_Grande">(GMT-04:00) Brazil</option>
+                      <option value="America/Goose_Bay">(GMT-04:00) Atlantic Time (Goose Bay)</option>
+                      <option value="America/Glace_Bay">(GMT-04:00) Atlantic Time (Canada)</option>
+                      <option value="America/St_Johns">(GMT-03:30) Newfoundland</option>
+                      <option value="America/Araguaina">(GMT-03:00) UTC-3</option>
+                      <option value="America/Montevideo">(GMT-03:00) Montevideo</option>
+                      <option value="America/Miquelon">(GMT-03:00) Miquelon, St. Pierre</option>
+                      <option value="America/Godthab">(GMT-03:00) Greenland</option>
+                      <option value="America/Argentina/Buenos_Aires">(GMT-03:00) Buenos Aires</option>
+                      <option value="America/Sao_Paulo">(GMT-03:00) Brasilia</option>
+                      <option value="America/Noronha">(GMT-02:00) Mid-Atlantic</option>
+                      <option value="Atlantic/Cape_Verde">(GMT-01:00) Cape Verde Is.</option>
+                      <option value="Atlantic/Azores">(GMT-01:00) Azores</option>
+                      <option value="Europe/Belfast">(GMT) Greenwich Mean Time : Belfast</option>
+                      <option value="Europe/Dublin">(GMT) Greenwich Mean Time : Dublin</option>
+                      <option value="Europe/Lisbon">(GMT) Greenwich Mean Time : Lisbon</option>
+                      <option value="Europe/London">(GMT) Greenwich Mean Time : London</option>
+                      <option value="Africa/Abidjan">(GMT) Monrovia, Reykjavik</option>
+                      <option value="Europe/Amsterdam">(GMT+01:00) Amsterdam, Berlin, Bern, Rome, Stockholm, Vienna</option>
+                      <option value="Europe/Belgrade">(GMT+01:00) Belgrade, Bratislava, Budapest, Ljubljana, Prague</option>
+                      <option value="Europe/Brussels">(GMT+01:00) Brussels, Copenhagen, Madrid, Paris</option>
+                      <option value="Africa/Algiers">(GMT+01:00) West Central Africa</option>
+                      <option value="Africa/Windhoek">(GMT+01:00) Windhoek</option>
+                      <option value="Asia/Beirut">(GMT+02:00) Beirut</option>
+                      <option value="Africa/Cairo">(GMT+02:00) Cairo</option>
+                      <option value="Asia/Gaza">(GMT+02:00) Gaza</option>
+                      <option value="Africa/Blantyre">(GMT+02:00) Harare, Pretoria</option>
+                      <option value="Asia/Jerusalem">(GMT+02:00) Jerusalem</option>
+                      <option value="Europe/Minsk">(GMT+02:00) Minsk</option>
+                      <option value="Asia/Damascus">(GMT+02:00) Syria</option>
+                      <option value="Europe/Moscow">(GMT+03:00) Moscow, St. Petersburg, Volgograd</option>
+                      <option value="Africa/Addis_Ababa">(GMT+03:00) Nairobi</option>
+                      <option value="Asia/Tehran">(GMT+03:30) Tehran</option>
+                      <option value="Asia/Dubai">(GMT+04:00) Abu Dhabi, Muscat</option>
+                      <option value="Asia/Yerevan">(GMT+04:00) Yerevan</option>
+                      <option value="Asia/Kabul">(GMT+04:30) Kabul</option>
+                      <option value="Asia/Yekaterinburg">(GMT+05:00) Ekaterinburg</option>
+                      <option value="Asia/Tashkent">(GMT+05:00) Tashkent</option>
+                      <option value="Asia/Kolkata">(GMT+05:30) Chennai, Kolkata, Mumbai, New Delhi</option>
+                      <option value="Asia/Katmandu">(GMT+05:45) Kathmandu</option>
+                      <option value="Asia/Dhaka">(GMT+06:00) Astana, Dhaka</option>
+                      <option value="Asia/Novosibirsk">(GMT+06:00) Novosibirsk</option>
+                      <option value="Asia/Rangoon">(GMT+06:30) Yangon (Rangoon)</option>
+                      <option value="Asia/Bangkok">(GMT+07:00) Bangkok, Hanoi, Jakarta</option>
+                      <option value="Asia/Krasnoyarsk">(GMT+07:00) Krasnoyarsk</option>
+                      <option value="Asia/Hong_Kong">(GMT+08:00) Beijing, Chongqing, Hong Kong, Urumqi</option>
+                      <option value="Asia/Irkutsk">(GMT+08:00) Irkutsk, Ulaan Bataar</option>
+                      <option value="Australia/Perth">(GMT+08:00) Perth</option>
+                      <option value="Australia/Eucla">(GMT+08:45) Eucla</option>
+                      <option value="Asia/Tokyo">(GMT+09:00) Osaka, Sapporo, Tokyo</option>
+                      <option value="Asia/Seoul">(GMT+09:00) Seoul</option>
+                      <option value="Asia/Yakutsk">(GMT+09:00) Yakutsk</option>
+                      <option value="Australia/Adelaide">(GMT+09:30) Adelaide</option>
+                      <option value="Australia/Darwin">(GMT+09:30) Darwin</option>
+                      <option value="Australia/Brisbane">(GMT+10:00) Brisbane</option>
+                      <option value="Australia/Hobart">(GMT+10:00) Hobart</option>
+                      <option value="Asia/Vladivostok">(GMT+10:00) Vladivostok</option>
+                      <option value="Australia/Lord_Howe">(GMT+10:30) Lord Howe Island</option>
+                      <option value="Etc/GMT-11">(GMT+11:00) Solomon Is., New Caledonia</option>
+                      <option value="Asia/Magadan">(GMT+11:00) Magadan</option>
+                      <option value="Pacific/Norfolk">(GMT+11:30) Norfolk Island</option>
+                      <option value="Asia/Anadyr">(GMT+12:00) Anadyr, Kamchatka</option>
+                      <option value="Pacific/Auckland">(GMT+12:00) Auckland, Wellington</option>
+                      <option value="Etc/GMT-12">(GMT+12:00) Fiji, Kamchatka, Marshall Is.</option>
+                      <option value="Pacific/Chatham">(GMT+12:45) Chatham Islands</option>
+                      <option value="Pacific/Tongatapu">(GMT+13:00) Nuku'alofa</option>
+                      <option value="Pacific/Kiritimati">(GMT+14:00) Kiritimati</option>
+                    </select>
+                  </td>
+                </tr>
+                <tr>
+                  <th>
+                    <div class="option-name">
+                      <code>until</code>
+
+                      <div class="help">If given, this must be a
+                        <code>Date</code>
+                        instance, that will specify the limit of the recurrence. If a recurrence instance happens to be the same as the
+                        <code>Date</code> instance given in the
+                        <code>until</code>
+                        argument, this will be the last occurrence.
+                      </div>
+                    </div>
+                  </th>
+                  <td>
+                    <input type="datetime-local" name="until" />
+                  </td>
+                </tr>
+                <tr>
+                  <th>
+                    <div class="option-name">
+                      <code>count</code>
+
+                      <div class="help">How many occurrences will be generated.
+                      </div>
+                    </div>
+                  </th>
+                  <td>
+                    <input type="number" max="1000" min="1" value="30" name="count" />
+                  </td>
+                </tr>
+                <tr>
+                  <th>
+                    <div class="option-name">
+                      <code>interval</code>
+
+                      <div class="help">The interval between each freq iteration. For example, when using
+                        <code>RRule.YEARLY</code>, an interval of
+                        <code>2</code> means once every two years, but with
+                        <code>RRule.HOURLY</code>, it means once every two hours. The default interval is
+                        <code>1</code>.
+                      </div>
+                    </div>
+                  </th>
+                  <td>
+                    <input type="number" value="1" min="1" name="interval" />
+                  </td>
+                </tr>
+                <tr>
+                  <th>
+                    <div class="option-name">
+                      <code>wkst</code>
+
+                      <div class="help"> The week start day. Must be one of the
+                        <code>RRule.MO</code>,
+                        <code>RRule.TU</code>,
+                        <code>RRule.WE</code>
+                        constants, or an integer, specifying the first day of the week. This will affect recurrences based on weekly periods. The
+                        default week start is
+                        <code>RRule.MO</code>.
+                      </div>
+                    </div>
+                  </th>
+                  <td>
+                    <label>
+                      <input type="radio" name="wkst" value="0" checked />RRule.MO</label>
+                    <label>
+                      <input type="radio" name="wkst" value="1" />RRule.TU</label>
+                    <label>
+                      <input type="radio" name="wkst" value="2" />RRule.WE</label>
+                    <label>
+                      <input type="radio" name="wkst" value="3" />RRule.TH</label>
+                    <label>
+                      <input type="radio" name="wkst" value="4" />RRule.FR</label>
+                    <label>
+                      <input type="radio" name="wkst" value="5" />RRule.SA</label>
+                    <label>
+                      <input type="radio" name="wkst" value="6" />RRule.SU</label>
+                  </td>
+                </tr>
+                <tr>
+                  <th>
+                    <div class="option-name">
+                      <code>byweekday</code>
+
+                      <div class="help">If given, it must be either an integer (
+                        <code>0 == RRule.MO</code>), a sequence of integers, one of the weekday constants (
+                        <code>RRule.MO</code>,
+                        <code>RRule.TU</code>, etc), or a sequence of these constants. When given, these variables will define
+                        the weekdays where the recurrence will be applied. It's also possible to use an argument n for the
+                        weekday instances, which will mean the nth occurrence of this weekday in the period. For example,
+                        with
+                        <code>RRule.MONTHLY</code>, or with
+                        <code>RRule.YEARLY</code> and
+                        <code>BYMONTH</code>, using
+                        <code>RRule.FR.clone(+1)</code> in
+                        <code>byweekday</code> will specify the first friday of the month where the recurrence happens. Notice
+                        that the RFC documentation, this is specified as
+                        <code>BYDAY</code>, but was renamed to avoid the ambiguity of that argument.
+                      </div>
+                    </div>
+                  </th>
+                  <td>
+                    <label>
+                      <input type="checkbox" name="byweekday" value="0">RRule.MO</label>
+                    <label>
+                      <input type="checkbox" name="byweekday" value="1">RRule.TU</label>
+                    <label>
+                      <input type="checkbox" name="byweekday" value="2">RRule.WE</label>
+                    <label>
+                      <input type="checkbox" name="byweekday" value="3">RRule.TH</label>
+                    <label>
+                      <input type="checkbox" name="byweekday" value="4">RRule.FR</label>
+                    <label>
+                      <input type="checkbox" name="byweekday" value="5">RRule.SA</label>
+                    <label>
+                      <input type="checkbox" name="byweekday" value="6">RRule.SU</label>
+                  </td>
+                </tr>
+                <tr>
+                  <th>
+                    <div class="option-name">
+                      <code>bymonth</code>
+
+                      <div class="help">If given, it must be either an integer, or a sequence of integers, meaning the months to apply the
+                        recurrence to.
+                      </div>
+                    </div>
+                  </th>
+                  <td>
+                    <label>
+                      <input name="bymonth" type="checkbox" value="1" /> Jan</label>
+                    <label>
+                      <input name="bymonth" type="checkbox" value="2" /> Feb</label>
+                    <label>
+                      <input name="bymonth" type="checkbox" value="3" /> Mar</label>
+                    <label>
+                      <input name="bymonth" type="checkbox" value="4" /> Apr</label>
+                    <label>
+                      <input name="bymonth" type="checkbox" value="5" /> May</label>
+                    <label>
+                      <input name="bymonth" type="checkbox" value="6" /> Jun</label>
+                    <label>
+                      <input name="bymonth" type="checkbox" value="7" /> Jul</label>
+                    <label>
+                      <input name="bymonth" type="checkbox" value="8" /> Aug</label>
+                    <label>
+                      <input name="bymonth" type="checkbox" value="9" /> Sep</label>
+                    <label>
+                      <input name="bymonth" type="checkbox" value="10" /> Oct</label>
+                    <label>
+                      <input name="bymonth" type="checkbox" value="11" /> Nov</label>
+                    <label>
+                      <input name="bymonth" type="checkbox" value="12" /> Dec</label>
+                  </td>
+                </tr>
+                <tr>
+                  <th>
+                    <div class="option-name">
+                      <code>bysetpos</code>
+
+                      <div class="help">If given, it must be either an integer, or a sequence of integers, positive or negative. Each given
+                        integer will specify an occurrence number, corresponding to the nth occurrence of the rule inside
+                        the frequency period. For example, a
+                        <code>bysetpos</code> of
+                        <code>-1</code> if combined with a
+                        <code>RRule.MONTHLY</code>
+                        frequency, and a byweekday of (
+                        <code>RRule.MO</code>,
+                        <code>RRule.TU</code>,
+                        <code>RRule.WE</code>,
+                        <code>RRule.TH</code>,
+                        <code>RRule.FR</code>), will result in the last work day of every month.
+                      </div>
+                    </div>
+                  </th>
+                  <td>
+                    <input name="bysetpos" />
+                  </td>
+                </tr>
+                <tr>
+                  <th>
+                    <div class="option-name">
+                      <code>bymonthday</code>
+
+                      <div class="help">If given, it must be either an integer, or a sequence of integers, meaning the month days to apply
+                        the recurrence to.
+                      </div>
+                    </div>
+                  </th>
+                  <td>
+                    <input name="bymonthday" />
+                  </td>
+                </tr>
+                <tr>
+                  <th>
+                    <div class="option-name">
+                      <code>byyearday</code>
+
+                      <div class="help">If given, it must be either an integer, or a sequence of integers, meaning the year days to apply the
+                        recurrence to.
+                      </div>
+                    </div>
+                  </th>
+                  <td>
+                    <input name="byyearday" />
+                  </td>
+                </tr>
+                <tr>
+                  <th>
+                    <div class="option-name">
+                      <code>byweekno</code>
+
+                      <div class="help">If given, it must be either an integer, or a sequence of integers, meaning the week numbers to apply
+                        the recurrence to. Week numbers have the meaning described in ISO8601, that is, the first week of
+                        the year is that containing at least four days of the new year.
+                      </div>
+                    </div>
+                  </th>
+                  <td>
+                    <input name="byweekno">
+                  </td>
+                </tr>
+                <tr>
+                  <th>
+                    <div class="option-name">
+                      <code>byhour</code>
+
+                      <div class="help">If given, it must be either an integer, or a sequence of integers, meaning the hours to apply the recurrence
+                        to.
+                      </div>
+                    </div>
+                  </th>
+                  <td>
+                    <input name="byhour">
+                  </td>
+                </tr>
+
+                <tr>
+                  <th>
+                    <div class="option-name">
+                      <code>byminute</code>
+
+                      <div class="help">If given, it must be either an integer, or a sequence of integers, meaning the minutes to apply the
+                        recurrence to.
+                      </div>
+                    </div>
+                  </th>
+                  <td>
+                    <input name="byminute" />
+                  </td>
+                </tr>
+                <tr>
+                  <th>
+                    <div class="option-name">
+                      <code>bysecond</code>
+
+                      <div class="help">If given, it must be either an integer, or a sequence of integers, meaning the seconds to apply the
+                        recurrence to.
+                      </div>
+                    </div>
+                  </th>
+                  <td>
+                    <input name="bysecond">
+                  </td>
+                </tr>
+                <tr>
+                  <th>
+                    <div class="option-name">
+                      <code>byeaster</code>
+
+                      <div class="help">
+                        This is an extension to the RFC specification which the Python implementation provides.
+                        <strong>Not implemented in the JavaScript version.
+                        </strong>
+                      </div>
+                    </div>
+                  </th>
+                  <td>
+                    <input disabled>
+                  </td>
+                </tr>
+              </tbody>
+            </table>
+          </form>
+        </section>
+
+
+        <section id="rfc-input">
+          <h3>
+            <code>RRULE</code> string</h3>
+          <p>
+            <input value="FREQ=DAILY;INTERVAL=2;COUNT=4" />
+          </p>
+          <p>
+            Enter an
+            <code>RRULE</code> as per
+            <a href="http://www.kanzaki.com/docs/ical/rrule.html">iCalendar RFC</a>.
+          </p>
+          <p>Examples:</p>
+          <ul class="examples">
+            <li>
+              <code>FREQ=WEEKLY;BYDAY=MO,WE</code>
+            </li>
+            <li>
+              <code>FREQ=MONTHLY;BYMONTHDAY=10,15;COUNT=20</code>
+            </li>
+            <li>
+              <code>FREQ=DAILY;INTERVAL=3;COUNT=10</code>
+            </li>
+            <li>
+              <code>FREQ=MONTHLY;BYDAY=-2FR;COUNT=7</code>
+            </li>
+          </ul>
+        </section>
+
+
+
+        <section id="text-input">
+          <h3>Text input</h3>
+          <p>
+            <input value="Every 2 weeks on Friday for 6 times" />
+          </p>
+          <p>Examples:</p>
+          <ul class="examples">
+            <li>
+              <code>Every weekday</code>
+            </li>
+            <li>
+              <code>Every 2 weeks on Tuesday</code>
+            </li>
+            <li>
+              <code>Every week on Monday, Wednesday</code>
+            </li>
+            <li>
+              <code>Every month on the 2nd last Friday for 7 times</code>
+            </li>
+            <li>
+              <code>Every 6 months</code>
+            </li>
+          </ul>
+        </section>
+
+
+      </div>
+    </div>
+  </div>
+  <a href="https://github.com/jakubroztocil/rrule">
+    <img style="position: absolute; top: 0; right: 0; border: 0;" src="https://s3.amazonaws.com/github/ribbons/forkme_right_orange_ff7600.png"
+      alt="Fork me on GitHub">
+  </a>
+<script type="text/javascript" src="demo.js"></script></body>
+
+</html>
@@ -0,0 +1,23 @@
+import { IterArgs } from './iterresult';
+export declare type CacheKeys = 'before' | 'after' | 'between';
+export declare class Cache {
+    all: Date[] | Partial<IterArgs> | false;
+    before: IterArgs[];
+    after: IterArgs[];
+    between: IterArgs[];
+    /**
+     * @param {String} what - all/before/after/between
+     * @param {Array,Date} value - an array of dates, one date, or null
+     * @param {Object?} args - _iter arguments
+     */
+    _cacheAdd(what: CacheKeys | 'all', value: Date[] | Date | null, args?: Partial<IterArgs>): void;
+    /**
+     * @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)
+     */
+    _cacheGet(what: CacheKeys | 'all', args?: Partial<IterArgs>): Date | Date[] | false | null;
+}
+//# sourceMappingURL=cache.d.ts.map
@@ -0,0 +1 @@
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@@ -0,0 +1,85 @@
+import IterResult from './iterresult';
+import dateutil from './dateutil';
+import { isArray } from './helpers';
+var 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
+                    ? dateutil.clone(value)
+                    : 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 (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 isArray(cached)
+            ? dateutil.cloneDates(cached)
+            : cached instanceof Date
+                ? dateutil.clone(cached)
+                : cached;
+    };
+    return Cache;
+}());
+export { Cache };
+//# sourceMappingURL=cache.js.map
@@ -0,0 +1 @@
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@@ -0,0 +1,13 @@
+import IterResult, { IterArgs } from './iterresult';
+declare type Iterator = (d: Date, len: number) => boolean;
+/**
+ * IterResult subclass that calls a callback function on each add,
+ * and stops iterating when the callback returns false.
+ */
+export default class CallbackIterResult extends IterResult<'all' | 'between'> {
+    private iterator;
+    constructor(method: 'all' | 'between', args: Partial<IterArgs>, iterator: Iterator);
+    add(date: Date): boolean;
+}
+export {};
+//# sourceMappingURL=callbackiterresult.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"callbackiterresult.d.ts","sourceRoot":"","sources":["../../../src/callbackiterresult.ts"],"names":[],"mappings":"AAAA,OAAO,UAAU,EAAE,EAAE,QAAQ,EAAE,MAAM,cAAc,CAAA;AAEnD,aAAK,QAAQ,GAAG,CAAC,CAAC,EAAE,IAAI,EAAE,GAAG,EAAE,MAAM,KAAK,OAAO,CAAA;AAEjD;;;GAGG;AACH,MAAM,CAAC,OAAO,OAAO,kBAAmB,SAAQ,UAAU,CAAC,KAAK,GAAG,SAAS,CAAC;IAC3E,OAAO,CAAC,QAAQ,CAAU;gBAGxB,MAAM,EAAE,KAAK,GAAG,SAAS,EACzB,IAAI,EAAE,OAAO,CAAC,QAAQ,CAAC,EACvB,QAAQ,EAAE,QAAQ;IAOpB,GAAG,CAAE,IAAI,EAAE,IAAI;CAOhB"}
@@ -0,0 +1,24 @@
+import { __extends } from "tslib";
+import IterResult from './iterresult';
+/**
+ * IterResult subclass that calls a callback function on each add,
+ * and stops iterating when the callback returns false.
+ */
+var 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));
+export default CallbackIterResult;
+//# sourceMappingURL=callbackiterresult.js.map
@@ -0,0 +1 @@
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@@ -0,0 +1,35 @@
+import { ParsedOptions } from './types';
+export declare class Time {
+    hour: number;
+    minute: number;
+    second: number;
+    millisecond: number;
+    constructor(hour: number, minute: number, second: number, millisecond: number);
+    getHours(): number;
+    getMinutes(): number;
+    getSeconds(): number;
+    getMilliseconds(): number;
+    getTime(): number;
+}
+export declare class DateTime extends Time {
+    day: number;
+    month: number;
+    year: number;
+    static fromDate(date: Date): DateTime;
+    constructor(year: number, month: number, day: number, hour: number, minute: number, second: number, millisecond: number);
+    getWeekday(): number;
+    getTime(): number;
+    getDay(): number;
+    getMonth(): number;
+    getYear(): number;
+    addYears(years: number): void;
+    addMonths(months: number): void;
+    addWeekly(days: number, wkst: number): void;
+    addDaily(days: number): void;
+    addHours(hours: number, filtered: boolean, byhour: number[]): void;
+    addMinutes(minutes: number, filtered: boolean, byhour: number[], byminute: number[]): void;
+    addSeconds(seconds: number, filtered: boolean, byhour: number[], byminute: number[], bysecond: number[]): void;
+    fixDay(): void;
+    add(options: ParsedOptions, filtered: boolean): void;
+}
+//# sourceMappingURL=datetime.d.ts.map
@@ -0,0 +1 @@
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@@ -0,0 +1,178 @@
+import { __extends } from "tslib";
+import { Frequency } from './types';
+import { pymod, divmod, empty, includes } from './helpers';
+import { dateutil } from './dateutil';
+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;
+}());
+export { Time };
+var 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.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 = 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 = divmod(this.hour, 24), dayDiv = _a.div, hourMod = _a.mod;
+            if (dayDiv) {
+                this.hour = hourMod;
+                this.addDaily(dayDiv);
+            }
+            if (empty(byhour) || 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 = divmod(this.minute, 60), hourDiv = _a.div, minuteMod = _a.mod;
+            if (hourDiv) {
+                this.minute = minuteMod;
+                this.addHours(hourDiv, false, byhour);
+            }
+            if ((empty(byhour) || includes(byhour, this.hour)) &&
+                (empty(byminute) || 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 = divmod(this.second, 60), minuteDiv = _a.div, secondMod = _a.mod;
+            if (minuteDiv) {
+                this.second = secondMod;
+                this.addMinutes(minuteDiv, false, byhour, byminute);
+            }
+            if ((empty(byhour) || includes(byhour, this.hour)) &&
+                (empty(byminute) || includes(byminute, this.minute)) &&
+                (empty(bysecond) || includes(bysecond, this.second))) {
+                break;
+            }
+        }
+    };
+    DateTime.prototype.fixDay = function () {
+        if (this.day <= 28) {
+            return;
+        }
+        var daysinmonth = 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.MAXYEAR) {
+                    return;
+                }
+            }
+            daysinmonth = 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));
+export { DateTime };
+//# sourceMappingURL=datetime.js.map
@@ -0,0 +1,74 @@
+import { Time } from './datetime';
+/**
+ * General date-related utilities.
+ * Also handles several incompatibilities between JavaScript and Python
+ *
+ */
+export declare namespace dateutil {
+    const MONTH_DAYS: number[];
+    /**
+     * Number of milliseconds of one day
+     */
+    const ONE_DAY: number;
+    /**
+     * @see: <http://docs.python.org/library/datetime.html#datetime.MAXYEAR>
+     */
+    const 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
+     */
+    const ORDINAL_BASE: Date;
+    /**
+     * Python: MO-SU: 0 - 6
+     * JS: SU-SAT 0 - 6
+     */
+    const PY_WEEKDAYS: number[];
+    /**
+     * py_date.timetuple()[7]
+     */
+    const getYearDay: (date: Date) => number;
+    const isLeapYear: (year: number) => boolean;
+    const isDate: (value: any) => value is Date;
+    const isValidDate: (value: any) => value is Date;
+    /**
+     * @return {Number} the date's timezone offset in ms
+     */
+    const tzOffset: (date: Date) => number;
+    /**
+     * @see: <http://www.mcfedries.com/JavaScript/DaysBetween.asp>
+     */
+    const daysBetween: (date1: Date, date2: Date) => number;
+    /**
+     * @see: <http://docs.python.org/library/datetime.html#datetime.date.toordinal>
+     */
+    const toOrdinal: (date: Date) => number;
+    /**
+     * @see - <http://docs.python.org/library/datetime.html#datetime.date.fromordinal>
+     */
+    const fromOrdinal: (ordinal: number) => Date;
+    const getMonthDays: (date: Date) => number;
+    /**
+     * @return {Number} python-like weekday
+     */
+    const getWeekday: (date: Date) => number;
+    /**
+     * @see: <http://docs.python.org/library/calendar.html#calendar.monthrange>
+     */
+    const monthRange: (year: number, month: number) => number[];
+    /**
+     * @see: <http://docs.python.org/library/datetime.html#datetime.datetime.combine>
+     */
+    const combine: (date: Date, time: Date | Time) => Date;
+    const clone: (date: Date | Time) => Date;
+    const cloneDates: (dates: Date[] | Time[]) => Date[];
+    /**
+     * Sorts an array of Date or dateutil.Time objects
+     */
+    const sort: <T extends Pick<Date, "getTime">>(dates: T[]) => void;
+    const timeToUntilString: (time: number, utc?: boolean) => string;
+    const untilStringToDate: (until: string) => Date;
+}
+export default dateutil;
+//# sourceMappingURL=dateutil.d.ts.map
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@@ -0,0 +1,146 @@
+import { padStart } from './helpers';
+/**
+ * General date-related utilities.
+ * Also handles several incompatibilities between JavaScript and Python
+ *
+ */
+export var 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 [
+            padStart(date.getUTCFullYear().toString(), 4, '0'),
+            padStart(date.getUTCMonth() + 1, 2, '0'),
+            padStart(date.getUTCDate(), 2, '0'),
+            'T',
+            padStart(date.getUTCHours(), 2, '0'),
+            padStart(date.getUTCMinutes(), 2, '0'),
+            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 = {}));
+export default dateutil;
+//# sourceMappingURL=dateutil.js.map
@@ -0,0 +1 @@
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@@ -0,0 +1,10 @@
+export declare class DateWithZone {
+    date: Date;
+    tzid?: string | null;
+    constructor(date: Date, tzid?: string | null);
+    private get isUTC();
+    toString(): string;
+    getTime(): number;
+    rezonedDate(): Date;
+}
+//# sourceMappingURL=datewithzone.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"datewithzone.d.ts","sourceRoot":"","sources":["../../../src/datewithzone.ts"],"names":[],"mappings":"AAGA,qBAAa,YAAY;IAChB,IAAI,EAAE,IAAI,CAAA;IACV,IAAI,CAAC,EAAE,MAAM,GAAG,IAAI,CAAA;gBAEd,IAAI,EAAE,IAAI,EAAE,IAAI,CAAC,EAAE,MAAM,GAAG,IAAI;IAK7C,OAAO,KAAK,KAAK,GAEhB;IAEM,QAAQ;IASR,OAAO;IAIP,WAAW;CAmBnB"}
@@ -0,0 +1,45 @@
+import dateutil from './dateutil';
+import { DateTime } from 'luxon';
+var 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 = 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 = 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;
+}());
+export { DateWithZone };
+//# sourceMappingURL=datewithzone.js.map
@@ -0,0 +1 @@
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@@ -0,0 +1,4 @@
+export declare const DateTime: {
+    fromJSDate(): never;
+};
+//# sourceMappingURL=fake-luxon.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"fake-luxon.d.ts","sourceRoot":"","sources":["../../../src/fake-luxon.ts"],"names":[],"mappings":"AAAA,eAAO,MAAM,QAAQ;;CAIpB,CAAA"}
@@ -0,0 +1,6 @@
+export var DateTime = {
+    fromJSDate: function () {
+        throw new TypeError();
+    }
+};
+//# sourceMappingURL=fake-luxon.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"fake-luxon.js","sourceRoot":"","sources":["../../../src/fake-luxon.ts"],"names":[],"mappings":"AAAA,MAAM,CAAC,IAAM,QAAQ,GAAG;IACtB,UAAU;QACR,MAAM,IAAI,SAAS,EAAE,CAAA;IACvB,CAAC;CACF,CAAA"}
@@ -0,0 +1,53 @@
+import { WeekdayStr } from './weekday';
+export declare const isPresent: <T>(value?: T | null | undefined) => value is T;
+export declare const isNumber: (value?: any) => value is number;
+export declare const isWeekdayStr: (value?: any) => value is WeekdayStr;
+export declare const isArray: (arg: any) => arg is any[];
+/**
+ * Simplified version of python's range()
+ */
+export declare const range: (start: number, end?: number) => number[];
+export declare const clone: <T>(array: T[]) => T[];
+export declare const repeat: <T>(value: T | T[], times: number) => (T | T[])[];
+export declare const toArray: <T>(item: T | T[]) => T[];
+export declare function padStart(item: string | number, targetLength: number, padString?: string): string;
+/**
+ * Python like split
+ */
+export declare const split: (str: string, sep: string, num: number) => string[];
+/**
+ * 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).
+ */
+export declare const pymod: (a: number, b: number) => number;
+/**
+ * @see: <http://docs.python.org/library/functions.html#divmod>
+ */
+export declare const divmod: (a: number, b: number) => {
+    div: number;
+    mod: number;
+};
+export declare const empty: <T>(obj: T[] | null | undefined) => boolean;
+/**
+ * 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
+ */
+export declare const notEmpty: <T>(obj: T[] | null | undefined) => obj is T[];
+/**
+ * Return true if a value is in an array
+ */
+export declare const includes: <T>(arr: T[] | null | undefined, val: T) => boolean;
+//# sourceMappingURL=helpers.d.ts.map
@@ -0,0 +1 @@
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@@ -0,0 +1,117 @@
+// =============================================================================
+// Helper functions
+// =============================================================================
+import { ALL_WEEKDAYS } from './weekday';
+export var isPresent = function (value) {
+    return value !== null && value !== undefined;
+};
+export var isNumber = function (value) {
+    return typeof value === 'number';
+};
+export var isWeekdayStr = function (value) {
+    return ALL_WEEKDAYS.indexOf(value) >= 0;
+};
+export var isArray = Array.isArray;
+/**
+ * Simplified version of python's range()
+ */
+export 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;
+};
+export var clone = function (array) {
+    return [].concat(array);
+};
+export 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;
+};
+export var toArray = function (item) {
+    if (isArray(item)) {
+        return item;
+    }
+    return [item];
+};
+export 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
+ */
+export 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).
+ */
+export 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>
+ */
+export var divmod = function (a, b) {
+    return { div: Math.floor(a / b), mod: pymod(a, b) };
+};
+export 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
+ */
+export var notEmpty = function (obj) {
+    return !empty(obj);
+};
+/**
+ * Return true if a value is in an array
+ */
+export var includes = function (arr, val) {
+    return notEmpty(arr) && arr.indexOf(val) !== -1;
+};
+//# sourceMappingURL=helpers.js.map
@@ -0,0 +1 @@
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@@ -0,0 +1,24 @@
+/*!
+ * 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
+ *
+ */
+import RRule from './rrule';
+import RRuleSet from './rruleset';
+export { rrulestr } from './rrulestr';
+export { Frequency, ByWeekday, Options } from './types';
+export { Weekday, WeekdayStr } from './weekday';
+export { RRuleStrOptions } from './rrulestr';
+export { RRule, RRuleSet };
+export default RRule;
+//# sourceMappingURL=index.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../../../src/index.ts"],"names":[],"mappings":"AAAA;;;;;;;;;;;;;;GAcG;AAEH,OAAO,KAAK,MAAM,SAAS,CAAA;AAC3B,OAAO,QAAQ,MAAM,YAAY,CAAA;AAEjC,OAAO,EAAE,QAAQ,EAAE,MAAM,YAAY,CAAA;AACrC,OAAO,EAAE,SAAS,EAAE,SAAS,EAAE,OAAO,EAAE,MAAM,SAAS,CAAA;AACvD,OAAO,EAAE,OAAO,EAAE,UAAU,EAAE,MAAM,WAAW,CAAA;AAC/C,OAAO,EAAE,eAAe,EAAE,MAAM,YAAY,CAAA;AAE5C,OAAO,EACL,KAAK,EACL,QAAQ,EACT,CAAA;AAED,eAAe,KAAK,CAAA"}
@@ -0,0 +1,23 @@
+/*!
+ * 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
+ *
+ */
+import RRule from './rrule';
+import RRuleSet from './rruleset';
+export { rrulestr } from './rrulestr';
+export { Frequency } from './types';
+export { Weekday } from './weekday';
+export { RRule, RRuleSet };
+export default RRule;
+//# sourceMappingURL=index.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"index.js","sourceRoot":"","sources":["../../../src/index.ts"],"names":[],"mappings":"AAAA;;;;;;;;;;;;;;GAcG;AAEH,OAAO,KAAK,MAAM,SAAS,CAAA;AAC3B,OAAO,QAAQ,MAAM,YAAY,CAAA;AAEjC,OAAO,EAAE,QAAQ,EAAE,MAAM,YAAY,CAAA;AACrC,OAAO,EAAE,SAAS,EAAsB,MAAM,SAAS,CAAA;AACvD,OAAO,EAAE,OAAO,EAAc,MAAM,WAAW,CAAA;AAG/C,OAAO,EACL,KAAK,EACL,QAAQ,EACT,CAAA;AAED,eAAe,KAAK,CAAA"}
@@ -0,0 +1,4 @@
+import IterResult from '../iterresult';
+import { ParsedOptions, QueryMethodTypes } from '../types';
+export declare function iter<M extends QueryMethodTypes>(iterResult: IterResult<M>, options: ParsedOptions): import("../types").IterResultType<M>;
+//# sourceMappingURL=index.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../../../../src/iter/index.ts"],"names":[],"mappings":"AAAA,OAAO,UAAU,MAAM,eAAe,CAAA;AACtC,OAAO,EAAE,aAAa,EAAwB,gBAAgB,EAAE,MAAM,UAAU,CAAA;AAUhF,wBAAgB,IAAI,CAAE,CAAC,SAAS,gBAAgB,EAAG,UAAU,EAAE,UAAU,CAAC,CAAC,CAAC,EAAE,OAAO,EAAE,aAAa,wCAqGnG"}
@@ -0,0 +1,138 @@
+import { freqIsDailyOrGreater } from '../types';
+import dateutil from '../dateutil';
+import Iterinfo from '../iterinfo/index';
+import RRule from '../rrule';
+import { buildTimeset } from '../parseoptions';
+import { notEmpty, includes, isPresent } from '../helpers';
+import { DateWithZone } from '../datewithzone';
+import { buildPoslist } from './poslist';
+import { DateTime } from '../datetime';
+export 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.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 (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 (!isPresent(currentDay)) {
+                    continue;
+                }
+                var date = dateutil.fromOrdinal(ii.yearordinal + currentDay);
+                for (var k = 0; k < timeset.length; k++) {
+                    var time = timeset[k];
+                    var res = 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 > 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 ((notEmpty(bymonth) && !includes(bymonth, ii.mmask[currentDay])) ||
+        (notEmpty(byweekno) && !ii.wnomask[currentDay]) ||
+        (notEmpty(byweekday) && !includes(byweekday, ii.wdaymask[currentDay])) ||
+        (notEmpty(ii.nwdaymask) && !ii.nwdaymask[currentDay]) ||
+        (byeaster !== null && !includes(ii.eastermask, currentDay)) ||
+        ((notEmpty(bymonthday) || notEmpty(bynmonthday)) &&
+            !includes(bymonthday, ii.mdaymask[currentDay]) &&
+            !includes(bynmonthday, ii.nmdaymask[currentDay])) ||
+        (notEmpty(byyearday) &&
+            ((currentDay < ii.yearlen &&
+                !includes(byyearday, currentDay + 1) &&
+                !includes(byyearday, -ii.yearlen + currentDay)) ||
+                (currentDay >= ii.yearlen &&
+                    !includes(byyearday, currentDay + 1 - ii.yearlen) &&
+                    !includes(byyearday, -ii.nextyearlen + currentDay - ii.yearlen)))));
+}
+function rezoneIfNeeded(date, options) {
+    return new 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 >= RRule.HOURLY &&
+        notEmpty(byhour) &&
+        !includes(byhour, counterDate.hour)) ||
+        (freq >= RRule.MINUTELY &&
+            notEmpty(byminute) &&
+            !includes(byminute, counterDate.minute)) ||
+        (freq >= RRule.SECONDLY &&
+            notEmpty(bysecond) &&
+            !includes(bysecond, counterDate.second))) {
+        return [];
+    }
+    return ii.gettimeset(freq)(counterDate.hour, counterDate.minute, counterDate.second, counterDate.millisecond);
+}
+//# sourceMappingURL=index.js.map
@@ -0,0 +1,4 @@
+import Iterinfo from '../iterinfo/index';
+import { Time } from '../datetime';
+export declare function buildPoslist(bysetpos: number[], timeset: Time[], start: number, end: number, ii: Iterinfo, dayset: (number | null)[]): Date[];
+//# sourceMappingURL=poslist.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"poslist.d.ts","sourceRoot":"","sources":["../../../../src/iter/poslist.ts"],"names":[],"mappings":"AACA,OAAO,QAAQ,MAAM,mBAAmB,CAAA;AAExC,OAAO,EAAE,IAAI,EAAE,MAAM,aAAa,CAAA;AAElC,wBAAgB,YAAY,CAAE,QAAQ,EAAE,MAAM,EAAE,EAAE,OAAO,EAAE,IAAI,EAAE,EAAE,KAAK,EAAE,MAAM,EAAE,GAAG,EAAE,MAAM,EAAE,EAAE,EAAE,QAAQ,EAAE,MAAM,EAAE,CAAC,MAAM,GAAG,IAAI,CAAC,EAAE,UAwCrI"}
@@ -0,0 +1,42 @@
+import dateutil from '../dateutil';
+import { pymod, isPresent, includes } from '../helpers';
+export 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 = pymod(pos, timeset.length);
+        }
+        else {
+            daypos = Math.floor((pos - 1) / timeset.length);
+            timepos = pymod(pos - 1, timeset.length);
+        }
+        var tmp = [];
+        for (var k = start; k < end; k++) {
+            var val = dayset[k];
+            if (!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 = dateutil.fromOrdinal(ii.yearordinal + i);
+        var res = dateutil.combine(date, time);
+        // XXX: can this ever be in the array?
+        // - compare the actual date instead?
+        if (!includes(poslist, res))
+            poslist.push(res);
+    }
+    dateutil.sort(poslist);
+    return poslist;
+}
+//# sourceMappingURL=poslist.js.map
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@@ -0,0 +1,2 @@
+export declare function easter(y: number, offset?: number): number[];
+//# sourceMappingURL=easter.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"easter.d.ts","sourceRoot":"","sources":["../../../../src/iterinfo/easter.ts"],"names":[],"mappings":"AAAA,wBAAgB,MAAM,CAAE,CAAC,EAAE,MAAM,EAAE,MAAM,GAAE,MAAU,YAmBpD"}
@@ -0,0 +1,21 @@
+export 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))];
+}
+//# sourceMappingURL=easter.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"easter.js","sourceRoot":"","sources":["../../../../src/iterinfo/easter.ts"],"names":[],"mappings":"AAAA,MAAM,UAAU,MAAM,CAAE,CAAS,EAAE,MAAkB;IAAlB,uBAAA,EAAA,UAAkB;IACnD,IAAM,CAAC,GAAG,CAAC,GAAG,EAAE,CAAA;IAChB,IAAM,CAAC,GAAG,IAAI,CAAC,KAAK,CAAC,CAAC,GAAG,GAAG,CAAC,CAAA;IAC7B,IAAM,CAAC,GAAG,CAAC,GAAG,GAAG,CAAA;IACjB,IAAM,CAAC,GAAG,IAAI,CAAC,KAAK,CAAC,CAAC,GAAG,CAAC,CAAC,CAAA;IAC3B,IAAM,CAAC,GAAG,CAAC,GAAG,CAAC,CAAA;IACf,IAAM,CAAC,GAAG,IAAI,CAAC,KAAK,CAAC,CAAC,CAAC,GAAG,CAAC,CAAC,GAAG,EAAE,CAAC,CAAA;IAClC,IAAM,CAAC,GAAG,IAAI,CAAC,KAAK,CAAC,CAAC,CAAC,GAAG,CAAC,GAAG,CAAC,CAAC,GAAG,CAAC,CAAC,CAAA;IACrC,IAAM,CAAC,GAAG,IAAI,CAAC,KAAK,CAAC,EAAE,GAAG,CAAC,GAAG,CAAC,GAAG,CAAC,GAAG,CAAC,GAAG,EAAE,CAAC,GAAG,EAAE,CAAA;IAClD,IAAM,CAAC,GAAG,IAAI,CAAC,KAAK,CAAC,CAAC,GAAG,CAAC,CAAC,CAAA;IAC3B,IAAM,CAAC,GAAG,CAAC,GAAG,CAAC,CAAA;IACf,IAAM,CAAC,GAAG,IAAI,CAAC,KAAK,CAAC,EAAE,GAAG,CAAC,GAAG,CAAC,GAAG,CAAC,GAAG,CAAC,GAAG,CAAC,GAAG,CAAC,CAAC,GAAG,CAAC,CAAA;IACpD,IAAM,CAAC,GAAG,IAAI,CAAC,KAAK,CAAC,CAAC,CAAC,GAAG,EAAE,GAAG,CAAC,GAAG,EAAE,GAAG,CAAC,CAAC,GAAG,GAAG,CAAC,CAAA;IACjD,IAAM,KAAK,GAAG,IAAI,CAAC,KAAK,CAAC,CAAC,CAAC,GAAG,CAAC,GAAG,CAAC,GAAG,CAAC,GAAG,GAAG,CAAC,GAAG,EAAE,CAAC,CAAA;IACpD,IAAM,GAAG,GAAG,CAAC,CAAC,CAAC,GAAG,CAAC,GAAG,CAAC,GAAG,CAAC,GAAG,GAAG,CAAC,GAAG,EAAE,CAAC,GAAG,CAAC,CAAA;IAC5C,IAAM,IAAI,GAAG,IAAI,CAAC,GAAG,CAAC,CAAC,EAAE,KAAK,GAAG,CAAC,EAAE,GAAG,GAAG,MAAM,CAAC,CAAA;IACjD,IAAM,SAAS,GAAG,IAAI,CAAC,GAAG,CAAC,CAAC,EAAE,CAAC,EAAE,CAAC,CAAC,CAAA;IAEnC,OAAO,CAAC,IAAI,CAAC,IAAI,CAAC,CAAC,IAAI,GAAG,SAAS,CAAC,GAAG,CAAC,IAAI,GAAG,EAAE,GAAG,EAAE,GAAG,EAAE,CAAC,CAAC,CAAC,CAAA;AAChE,CAAC"}
@@ -0,0 +1,36 @@
+import { ParsedOptions, Frequency } from '../types';
+import { YearInfo } from './yearinfo';
+import { MonthInfo } from './monthinfo';
+import { Time } from '../datetime';
+export declare type DaySet = [(number | null)[], number, number];
+export declare type GetDayset = () => DaySet;
+export default class Iterinfo {
+    private options;
+    yearinfo: YearInfo;
+    monthinfo: MonthInfo;
+    eastermask: number[] | null;
+    constructor(options: ParsedOptions);
+    rebuild(year: number, month: number): void;
+    get lastyear(): number | null;
+    get lastmonth(): number | null;
+    get yearlen(): 366 | 365;
+    get yearordinal(): number;
+    get mrange(): number[];
+    get wdaymask(): number[];
+    get mmask(): number[];
+    get wnomask(): number[] | null;
+    get nwdaymask(): number[];
+    get nextyearlen(): 366 | 365;
+    get mdaymask(): number[];
+    get nmdaymask(): number[];
+    ydayset(): (number | number[])[];
+    mdayset(_: any, month: number, __: any): (number | (number | (number | null)[] | null)[])[];
+    wdayset(year: number, month: number, day: number): (number | (number | (number | null)[] | null)[])[];
+    ddayset(year: number, month: number, day: number): (number | (number | null)[])[];
+    htimeset(hour: number, _: number, second: number, millisecond: number): Time[];
+    mtimeset(hour: number, minute: number, _: number, millisecond: number): Time[];
+    stimeset(hour: number, minute: number, second: number, millisecond: number): Time[];
+    getdayset(freq: Frequency): (y: number, m: number, d: number) => DaySet;
+    gettimeset(freq: Frequency.HOURLY | Frequency.MINUTELY | Frequency.SECONDLY): (h: number, m: number, s: number, ms: number) => Time[];
+}
+//# sourceMappingURL=index.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../../../../src/iterinfo/index.ts"],"names":[],"mappings":"AAOA,OAAO,EAAE,aAAa,EAAE,SAAS,EAAE,MAAM,UAAU,CAAA;AACnD,OAAO,EAAE,QAAQ,EAAe,MAAM,YAAY,CAAA;AAClD,OAAO,EAAgB,SAAS,EAAE,MAAM,aAAa,CAAA;AAErD,OAAO,EAAE,IAAI,EAAE,MAAM,aAAa,CAAA;AAElC,oBAAY,MAAM,GAAG,CAAC,CAAC,MAAM,GAAG,IAAI,CAAC,EAAE,EAAE,MAAM,EAAE,MAAM,CAAC,CAAA;AACxD,oBAAY,SAAS,GAAG,MAAM,MAAM,CAAA;AAMpC,MAAM,CAAC,OAAO,OAAO,QAAQ;IAKd,OAAO,CAAC,OAAO;IAJrB,QAAQ,EAAE,QAAQ,CAAA;IAClB,SAAS,EAAE,SAAS,CAAA;IACpB,UAAU,EAAE,MAAM,EAAE,GAAG,IAAI,CAAA;gBAEb,OAAO,EAAE,aAAa;IAE3C,OAAO,CAAE,IAAI,EAAE,MAAM,EAAE,KAAK,EAAE,MAAM;IAsBpC,IAAI,QAAQ,kBAEX;IAED,IAAI,SAAS,kBAEZ;IAED,IAAI,OAAO,cAEV;IAED,IAAI,WAAW,WAEd;IAED,IAAI,MAAM,aAET;IAED,IAAI,QAAQ,aAEX;IAED,IAAI,KAAK,aAER;IAED,IAAI,OAAO,oBAEV;IAED,IAAI,SAAS,aAEZ;IAED,IAAI,WAAW,cAEd;IAED,IAAI,QAAQ,aAEX;IAED,IAAI,SAAS,aAEZ;IAED,OAAO;IAIP,OAAO,CAAE,CAAC,EAAE,GAAG,EAAE,KAAK,EAAE,MAAM,EAAE,EAAE,EAAE,GAAG;IAQvC,OAAO,CAAE,IAAI,EAAE,MAAM,EAAE,KAAK,EAAE,MAAM,EAAE,GAAG,EAAE,MAAM;IAejD,OAAO,CAAE,IAAI,EAAE,MAAM,EAAE,KAAK,EAAE,MAAM,EAAE,GAAG,EAAE,MAAM;IASjD,QAAQ,CAAE,IAAI,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM,EAAE,MAAM,EAAE,MAAM,EAAE,WAAW,EAAE,MAAM;IAStE,QAAQ,CAAE,IAAI,EAAE,MAAM,EAAE,MAAM,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM,EAAE,WAAW,EAAE,MAAM;IAStE,QAAQ,CAAE,IAAI,EAAE,MAAM,EAAE,MAAM,EAAE,MAAM,EAAE,MAAM,EAAE,MAAM,EAAE,WAAW,EAAE,MAAM;IAI3E,SAAS,CAAE,IAAI,EAAE,SAAS,GAAG,CAAC,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM,KAAK,MAAM;IAUxE,UAAU,CAAE,IAAI,EAAE,SAAS,CAAC,MAAM,GAAG,SAAS,CAAC,QAAQ,GAAG,SAAS,CAAC,QAAQ,GAAG,CAAC,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM,EAAE,CAAC,EAAE,MAAM,EAAE,EAAE,EAAE,MAAM,KAAK,IAAI,EAAE;CAOvI"}
@@ -0,0 +1,183 @@
+import dateutil from '../dateutil';
+import { notEmpty, repeat, range, isPresent } from '../helpers';
+import { Frequency } from '../types';
+import { rebuildYear } from './yearinfo';
+import { rebuildMonth } from './monthinfo';
+import { easter } from './easter';
+import { Time } from '../datetime';
+// =============================================================================
+// Iterinfo
+// =============================================================================
+var 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 (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 (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 [range(this.yearlen), 0, this.yearlen];
+    };
+    Iterinfo.prototype.mdayset = function (_, month, __) {
+        var start = this.mrange[month - 1];
+        var end = this.mrange[month];
+        var set = 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 = repeat(null, this.yearlen + 7);
+        var i = 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 = repeat(null, this.yearlen);
+        var i = 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));
+        });
+        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);
+        });
+        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;
+}());
+export default Iterinfo;
+//# sourceMappingURL=index.js.map
@@ -0,0 +1,8 @@
+import { ParsedOptions } from '../types';
+export interface MonthInfo {
+    lastyear: number;
+    lastmonth: number;
+    nwdaymask: number[];
+}
+export declare function rebuildMonth(year: number, month: number, yearlen: number, mrange: number[], wdaymask: number[], options: ParsedOptions): MonthInfo;
+//# sourceMappingURL=monthinfo.d.ts.map
@@ -0,0 +1 @@
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@@ -0,0 +1,51 @@
+import RRule from '../rrule';
+import { empty, repeat, pymod } from '../helpers';
+export function rebuildMonth(year, month, yearlen, mrange, wdaymask, options) {
+    var result = {
+        lastyear: year,
+        lastmonth: month,
+        nwdaymask: []
+    };
+    var ranges = [];
+    if (options.freq === RRule.YEARLY) {
+        if (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 === RRule.MONTHLY) {
+        ranges = [mrange.slice(month - 1, month + 1)];
+    }
+    if (empty(ranges)) {
+        return result;
+    }
+    // Weekly frequency won't get here, so we may not
+    // care about cross-year weekly periods.
+    result.nwdaymask = 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 -= pymod(wdaymask[i] - wday, 7);
+            }
+            else {
+                i = first + (n - 1) * 7;
+                i += pymod(7 - wdaymask[i] + wday, 7);
+            }
+            if (first <= i && i <= last)
+                result.nwdaymask[i] = 1;
+        }
+    }
+    return result;
+}
+//# sourceMappingURL=monthinfo.js.map
@@ -0,0 +1 @@
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@@ -0,0 +1,15 @@
+import { ParsedOptions } from '../types';
+export interface YearInfo {
+    yearlen: 365 | 366;
+    nextyearlen: 365 | 366;
+    yearordinal: number;
+    yearweekday: number;
+    mmask: number[];
+    mrange: number[];
+    mdaymask: number[];
+    nmdaymask: number[];
+    wdaymask: number[];
+    wnomask: number[] | null;
+}
+export declare function rebuildYear(year: number, options: ParsedOptions): YearInfo;
+//# sourceMappingURL=yearinfo.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"yearinfo.d.ts","sourceRoot":"","sources":["../../../../src/iterinfo/yearinfo.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,aAAa,EAAE,MAAM,UAAU,CAAA;AAKxC,MAAM,WAAW,QAAQ;IACvB,OAAO,EAAE,GAAG,GAAG,GAAG,CAAA;IAClB,WAAW,EAAE,GAAG,GAAG,GAAG,CAAA;IACtB,WAAW,EAAE,MAAM,CAAA;IACnB,WAAW,EAAE,MAAM,CAAA;IACnB,KAAK,EAAE,MAAM,EAAE,CAAA;IACf,MAAM,EAAE,MAAM,EAAE,CAAA;IAChB,QAAQ,EAAE,MAAM,EAAE,CAAA;IAClB,SAAS,EAAE,MAAM,EAAE,CAAA;IACnB,QAAQ,EAAE,MAAM,EAAE,CAAA;IAClB,OAAO,EAAE,MAAM,EAAE,GAAG,IAAI,CAAA;CACzB;AAED,wBAAgB,WAAW,CAAE,IAAI,EAAE,MAAM,EAAE,OAAO,EAAE,aAAa,YA0HhE"}
@@ -0,0 +1,132 @@
+import { __assign } from "tslib";
+import dateutil from '../dateutil';
+import { empty, repeat, pymod, includes } from '../helpers';
+import { M365MASK, MDAY365MASK, NMDAY365MASK, WDAYMASK, M365RANGE, M366MASK, MDAY366MASK, NMDAY366MASK, M366RANGE } from '../masks';
+export function rebuildYear(year, options) {
+    var firstyday = new Date(Date.UTC(year, 0, 1));
+    var yearlen = dateutil.isLeapYear(year) ? 366 : 365;
+    var nextyearlen = dateutil.isLeapYear(year + 1) ? 366 : 365;
+    var yearordinal = dateutil.toOrdinal(firstyday);
+    var yearweekday = dateutil.getWeekday(firstyday);
+    var result = __assign(__assign({ yearlen: yearlen,
+        nextyearlen: nextyearlen,
+        yearordinal: yearordinal,
+        yearweekday: yearweekday }, baseYearMasks(year)), { wnomask: null });
+    if (empty(options.byweekno)) {
+        return result;
+    }
+    result.wnomask = repeat(0, yearlen + 7);
+    var firstwkst;
+    var wyearlen;
+    var no1wkst = firstwkst = 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 + 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 = 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 (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 (!includes(options.byweekno, -1)) {
+            var lyearweekday = dateutil.getWeekday(new Date(Date.UTC(year - 1, 0, 1)));
+            var lno1wkst = pymod(7 - lyearweekday.valueOf() + options.wkst, 7);
+            var lyearlen = dateutil.isLeapYear(year - 1) ? 366 : 365;
+            var weekst = void 0;
+            if (lno1wkst >= 4) {
+                lno1wkst = 0;
+                weekst = lyearlen + pymod(lyearweekday - options.wkst, 7);
+            }
+            else {
+                weekst = yearlen - no1wkst;
+            }
+            lnumweeks = Math.floor(52 + pymod(weekst, 7) / 4);
+        }
+        else {
+            lnumweeks = -1;
+        }
+        if (includes(options.byweekno, lnumweeks)) {
+            for (var i = 0; i < no1wkst; i++)
+                result.wnomask[i] = 1;
+        }
+    }
+    return result;
+}
+function baseYearMasks(year) {
+    var yearlen = dateutil.isLeapYear(year) ? 366 : 365;
+    var firstyday = new Date(Date.UTC(year, 0, 1));
+    var wday = 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
+    };
+}
+//# sourceMappingURL=yearinfo.js.map
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@@ -0,0 +1,43 @@
+import { QueryMethodTypes, IterResultType } from './types';
+export interface IterArgs {
+    inc: boolean;
+    before: Date;
+    after: Date;
+    dt: Date;
+    _value: Date | Date[] | null;
+}
+/**
+ * This class helps us to emulate python's generators, sorta.
+ */
+export default class IterResult<M extends QueryMethodTypes> {
+    readonly method: M;
+    readonly args: Partial<IterArgs>;
+    readonly minDate: Date | null;
+    readonly maxDate: Date | null;
+    _result: Date[];
+    total: number;
+    constructor(method: M, args: Partial<IterArgs>);
+    /**
+     * 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.
+     */
+    accept(date: Date): boolean;
+    /**
+     *
+     * @param {Date} date that is part of the result.
+     * @return {Boolean} whether we are interested in more values.
+     */
+    add(date: Date): boolean;
+    /**
+     * 'before' and 'after' return only one date, whereas 'all'
+     * and 'between' an array.
+     * @return {Date,Array?}
+     */
+    getValue(): IterResultType<M>;
+    clone(): IterResult<M>;
+}
+//# sourceMappingURL=iterresult.d.ts.map
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@@ -0,0 +1,87 @@
+/**
+ * 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;
+}());
+export default IterResult;
+//# sourceMappingURL=iterresult.js.map
@@ -0,0 +1 @@
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@@ -0,0 +1,5 @@
+import IterResult from './iterresult';
+import RRule from './rrule';
+import { QueryMethodTypes, IterResultType } from './types';
+export declare function iterSet<M extends QueryMethodTypes>(iterResult: IterResult<M>, _rrule: RRule[], _exrule: RRule[], _rdate: Date[], _exdate: Date[], tzid: string | undefined): IterResultType<M>;
+//# sourceMappingURL=iterset.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"iterset.d.ts","sourceRoot":"","sources":["../../../src/iterset.ts"],"names":[],"mappings":"AAAA,OAAO,UAAU,MAAM,cAAc,CAAA;AACrC,OAAO,KAAK,MAAM,SAAS,CAAA;AAI3B,OAAO,EAAE,gBAAgB,EAAE,cAAc,EAAE,MAAM,SAAS,CAAA;AAE1D,wBAAgB,OAAO,CAAE,CAAC,SAAS,gBAAgB,EACjD,UAAU,EAAE,UAAU,CAAC,CAAC,CAAC,EACzB,MAAM,EAAE,KAAK,EAAE,EACf,OAAO,EAAE,KAAK,EAAE,EAChB,MAAM,EAAE,IAAI,EAAE,EACd,OAAO,EAAE,IAAI,EAAE,EACf,IAAI,EAAE,MAAM,GAAG,SAAS,qBAgEzB"}
@@ -0,0 +1,63 @@
+import { DateWithZone } from './datewithzone';
+import { iter } from './iter/index';
+import dateutil from './dateutil';
+export 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(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(_rdate[i], tzid).rezonedDate();
+        if (!iterResult.accept(new Date(zonedDate.getTime())))
+            break;
+    }
+    _rrule.forEach(function (rrule) {
+        iter(iterResult, rrule.options);
+    });
+    var res = iterResult._result;
+    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);
+    }
+}
+//# sourceMappingURL=iterset.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"iterset.js","sourceRoot":"","sources":["../../../src/iterset.ts"],"names":[],"mappings":"AAEA,OAAO,EAAE,YAAY,EAAE,MAAM,gBAAgB,CAAA;AAC7C,OAAO,EAAE,IAAI,EAAE,MAAM,cAAc,CAAA;AACnC,OAAO,QAAQ,MAAM,YAAY,CAAA;AAGjC,MAAM,UAAU,OAAO,CACrB,UAAyB,EACzB,MAAe,EACf,OAAgB,EAChB,MAAc,EACd,OAAe,EACf,IAAwB;IAExB,IAAM,WAAW,GAA6B,EAAE,CAAA;IAChD,IAAM,OAAO,GAAG,UAAU,CAAC,MAAM,CAAA;IAEjC,SAAS,UAAU,CAAE,KAAW,EAAE,MAAY;QAC5C,OAAO,CAAC,OAAO,CAAC,UAAU,KAAK;YAC7B,KAAK,CAAC,OAAO,CAAC,KAAK,EAAE,MAAM,EAAE,IAAI,CAAC,CAAC,OAAO,CAAC,UAAU,IAAI;gBACvD,WAAW,CAAC,MAAM,CAAC,IAAI,CAAC,CAAC,GAAG,IAAI,CAAA;YAClC,CAAC,CAAC,CAAA;QACJ,CAAC,CAAC,CAAA;IACJ,CAAC;IAED,OAAO,CAAC,OAAO,CAAC,UAAU,IAAI;QAC5B,IAAM,SAAS,GAAG,IAAI,YAAY,CAAC,IAAI,EAAE,IAAI,CAAC,CAAC,WAAW,EAAE,CAAA;QAC5D,WAAW,CAAC,MAAM,CAAC,SAAS,CAAC,CAAC,GAAG,IAAI,CAAA;IACvC,CAAC,CAAC,CAAA;IAEF,UAAU,CAAC,MAAM,GAAG,UAAU,IAAI;QAChC,IAAM,EAAE,GAAG,MAAM,CAAC,IAAI,CAAC,CAAA;QACvB,IAAI,KAAK,CAAC,EAAE,CAAC;YAAE,OAAO,OAAO,CAAC,IAAI,CAAC,IAAI,EAAE,IAAI,CAAC,CAAA;QAC9C,IAAI,CAAC,WAAW,CAAC,EAAE,CAAC,EAAE;YACpB,UAAU,CAAC,IAAI,IAAI,CAAC,EAAE,GAAG,CAAC,CAAC,EAAE,IAAI,IAAI,CAAC,EAAE,GAAG,CAAC,CAAC,CAAC,CAAA;YAC9C,IAAI,CAAC,WAAW,CAAC,EAAE,CAAC,EAAE;gBACpB,WAAW,CAAC,EAAE,CAAC,GAAG,IAAI,CAAA;gBACtB,OAAO,OAAO,CAAC,IAAI,CAAC,IAAI,EAAE,IAAI,CAAC,CAAA;aAChC;SACF;QACD,OAAO,IAAI,CAAA;IACb,CAAC,CAAA;IAED,IAAI,UAAU,CAAC,MAAM,KAAK,SAAS,EAAE;QACnC,UAAU,CAAC,UAAU,CAAC,IAAI,CAAC,KAAM,EAAE,UAAU,CAAC,IAAI,CAAC,MAAO,CAAC,CAAA;QAC3D,UAAU,CAAC,MAAM,GAAG,UAAU,IAAI;YAChC,IAAM,EAAE,GAAG,MAAM,CAAC,IAAI,CAAC,CAAA;YACvB,IAAI,CAAC,WAAW,CAAC,EAAE,CAAC,EAAE;gBACpB,WAAW,CAAC,EAAE,CAAC,GAAG,IAAI,CAAA;gBACtB,OAAO,OAAO,CAAC,IAAI,CAAC,IAAI,EAAE,IAAI,CAAC,CAAA;aAChC;YACD,OAAO,IAAI,CAAA;QACb,CAAC,CAAA;KACF;IAED,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,MAAM,CAAC,MAAM,EAAE,CAAC,EAAE,EAAE;QACtC,IAAM,SAAS,GAAG,IAAI,YAAY,CAAC,MAAM,CAAC,CAAC,CAAC,EAAE,IAAI,CAAC,CAAC,WAAW,EAAE,CAAA;QACjE,IAAI,CAAC,UAAU,CAAC,MAAM,CAAC,IAAI,IAAI,CAAC,SAAS,CAAC,OAAO,EAAE,CAAC,CAAC;YAAE,MAAK;KAC7D;IAED,MAAM,CAAC,OAAO,CAAC,UAAU,KAAK;QAC5B,IAAI,CAAC,UAAU,EAAE,KAAK,CAAC,OAAO,CAAC,CAAA;IACjC,CAAC,CAAC,CAAA;IAEF,IAAM,GAAG,GAAG,UAAU,CAAC,OAAO,CAAA;IAC9B,QAAQ,CAAC,IAAI,CAAC,GAAG,CAAC,CAAA;IAClB,QAAQ,UAAU,CAAC,MAAM,EAAE;QACzB,KAAK,KAAK,CAAC;QACX,KAAK,SAAS;YACZ,OAAO,GAAwB,CAAA;QACjC,KAAK,QAAQ;YACX,OAAO,CAAC,CAAC,GAAG,CAAC,MAAM,IAAI,GAAG,CAAC,GAAG,CAAC,MAAM,GAAG,CAAC,CAAC,CAAC,IAAI,IAAI,CAAsB,CAAA;QAC3E,KAAK,OAAO,CAAC;QACb;YACE,OAAO,CAAC,CAAC,GAAG,CAAC,MAAM,IAAI,GAAG,CAAC,CAAC,CAAC,CAAC,IAAI,IAAI,CAAsB,CAAA;KAC/D;AACH,CAAC"}
@@ -0,0 +1,11 @@
+declare const M365MASK: (number | number[])[];
+declare const M366MASK: (number | number[])[];
+declare const MDAY366MASK: number[];
+declare const MDAY365MASK: number[];
+declare const NMDAY366MASK: number[];
+declare const NMDAY365MASK: number[];
+declare const M366RANGE: number[];
+declare const M365RANGE: number[];
+declare const WDAYMASK: number[];
+export { WDAYMASK, M365MASK, M365RANGE, M366MASK, M366RANGE, MDAY365MASK, MDAY366MASK, NMDAY365MASK, NMDAY366MASK };
+//# sourceMappingURL=masks.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"masks.d.ts","sourceRoot":"","sources":["../../../src/masks.ts"],"names":[],"mappings":"AAQA,QAAA,MAAM,QAAQ,uBAcb,CAAA;AAED,QAAA,MAAM,QAAQ,uBAcb,CAAA;AAOD,QAAA,MAAM,WAAW,UAchB,CAAA;AAED,QAAA,MAAM,WAAW,UAchB,CAAA;AAOD,QAAA,MAAM,YAAY,UAcjB,CAAA;AAED,QAAA,MAAM,YAAY,UAcjB,CAAA;AAED,QAAA,MAAM,SAAS,UAA+D,CAAA;AAC9E,QAAA,MAAM,SAAS,UAA+D,CAAA;AAE9E,QAAA,MAAM,QAAQ,UAIV,CAAA;AAEJ,OAAO,EACL,QAAQ,EACR,QAAQ,EACR,SAAS,EACT,QAAQ,EACR,SAAS,EACT,WAAW,EACX,WAAW,EACX,YAAY,EACZ,YAAY,EACb,CAAA"}
@@ -0,0 +1,30 @@
+import { __spreadArrays } from "tslib";
+import { range, repeat } from './helpers';
+// =============================================================================
+// Date masks
+// =============================================================================
+// Every mask is 7 days longer to handle cross-year weekly periods.
+var M365MASK = __spreadArrays(repeat(1, 31), repeat(2, 28), repeat(3, 31), repeat(4, 30), repeat(5, 31), repeat(6, 30), repeat(7, 31), repeat(8, 31), repeat(9, 30), repeat(10, 31), repeat(11, 30), repeat(12, 31), repeat(1, 7));
+var M366MASK = __spreadArrays(repeat(1, 31), repeat(2, 29), repeat(3, 31), repeat(4, 30), repeat(5, 31), repeat(6, 30), repeat(7, 31), repeat(8, 31), repeat(9, 30), repeat(10, 31), repeat(11, 30), repeat(12, 31), repeat(1, 7));
+var M28 = range(1, 29);
+var M29 = range(1, 30);
+var M30 = range(1, 31);
+var M31 = 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 = range(-28, 0);
+var NM29 = range(-29, 0);
+var NM30 = range(-30, 0);
+var NM31 = 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(range(7));
+    return wdaymask;
+})();
+export { WDAYMASK, M365MASK, M365RANGE, M366MASK, M366RANGE, MDAY365MASK, MDAY366MASK, NMDAY365MASK, NMDAY366MASK };
+//# sourceMappingURL=masks.js.map
@@ -0,0 +1 @@
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@@ -0,0 +1,10 @@
+export interface Language {
+    dayNames: string[];
+    monthNames: string[];
+    tokens: {
+        [k: string]: RegExp;
+    };
+}
+declare const ENGLISH: Language;
+export default ENGLISH;
+//# sourceMappingURL=i18n.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"i18n.d.ts","sourceRoot":"","sources":["../../../../src/nlp/i18n.ts"],"names":[],"mappings":"AAIA,MAAM,WAAW,QAAQ;IACvB,QAAQ,EAAE,MAAM,EAAE,CAAA;IAClB,UAAU,EAAE,MAAM,EAAE,CAAA;IACpB,MAAM,EAAE;QACN,CAAC,CAAC,EAAE,MAAM,GAAG,MAAM,CAAA;KACpB,CAAA;CACF;AAED,QAAA,MAAM,OAAO,EAAE,QAsDd,CAAA;AAED,eAAe,OAAO,CAAA"}
@@ -0,0 +1,60 @@
+// =============================================================================
+// 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
+    }
+};
+export default ENGLISH;
+//# sourceMappingURL=i18n.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"i18n.js","sourceRoot":"","sources":["../../../../src/nlp/i18n.ts"],"names":[],"mappings":"AAAA,gFAAgF;AAChF,OAAO;AACP,gFAAgF;AAUhF,IAAM,OAAO,GAAa;IACxB,QAAQ,EAAE;QACR,QAAQ,EAAE,QAAQ,EAAE,SAAS,EAAE,WAAW;QAC1C,UAAU,EAAE,QAAQ,EAAE,UAAU;KACjC;IACD,UAAU,EAAE;QACV,SAAS,EAAE,UAAU,EAAE,OAAO,EAAE,OAAO,EAAE,KAAK;QAC9C,MAAM,EAAE,MAAM,EAAE,QAAQ,EAAE,WAAW,EAAE,SAAS;QAChD,UAAU,EAAE,UAAU;KACvB;IACD,MAAM,EAAE;QACN,MAAM,EAAE,kBAAkB;QAC1B,QAAQ,EAAE,cAAc;QACxB,cAAc,EAAE,mBAAmB;QACnC,OAAO,EAAE,SAAS;QAClB,QAAQ,EAAE,SAAS;QACnB,YAAY,EAAE,aAAa;QAC3B,SAAS,EAAE,UAAU;QACrB,SAAS,EAAE,UAAU;QACrB,WAAW,EAAE,YAAY;QACzB,UAAU,EAAE,WAAW;QACvB,SAAS,EAAE,UAAU;QACrB,IAAI,EAAE,WAAW;QACjB,IAAI,EAAE,QAAQ;QACd,KAAK,EAAE,OAAO;QACd,OAAO,EAAE,SAAS;QAClB,QAAQ,EAAE,UAAU;QACpB,OAAO,EAAE,SAAS;QAClB,KAAK,EAAE,iCAAiC;QACxC,MAAM,EAAE,QAAQ;QAChB,KAAK,EAAE,OAAO;QACd,SAAS,EAAE,UAAU;QACrB,OAAO,EAAE,YAAY;QACrB,QAAQ,EAAE,gBAAgB;QAC1B,SAAS,EAAE,oBAAoB;QAC/B,WAAW,EAAE,sBAAsB;QACnC,UAAU,EAAE,qBAAqB;QACjC,QAAQ,EAAE,gBAAgB;QAC1B,UAAU,EAAE,kBAAkB;QAC9B,QAAQ,EAAE,gBAAgB;QAC1B,SAAS,EAAE,cAAc;QACzB,UAAU,EAAE,eAAe;QAC3B,OAAO,EAAE,YAAY;QACrB,OAAO,EAAE,YAAY;QACrB,KAAK,EAAE,OAAO;QACd,MAAM,EAAE,SAAS;QACjB,MAAM,EAAE,SAAS;QACjB,QAAQ,EAAE,aAAa;QACvB,WAAW,EAAE,mBAAmB;QAChC,SAAS,EAAE,cAAc;QACzB,UAAU,EAAE,eAAe;QAC3B,UAAU,EAAE,eAAe;QAC3B,OAAO,EAAE,uBAAuB;KACjC;CACF,CAAA;AAED,eAAe,OAAO,CAAA"}
@@ -0,0 +1,101 @@
+import ToText, { DateFormatter, GetText } from './totext';
+import parseText from './parsetext';
+import RRule from '../index';
+import { Language } from './i18n';
+/*!
+* 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.
+ *
+ */
+/**
+ * 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.
+ */
+declare const fromText: (text: string, language?: Language) => RRule;
+declare const toText: (rrule: RRule, gettext?: GetText | undefined, language?: Language | undefined, dateFormatter?: DateFormatter | undefined) => string;
+declare const isFullyConvertible: typeof ToText.isFullyConvertible;
+export interface Nlp {
+    fromText: typeof fromText;
+    parseText: typeof parseText;
+    isFullyConvertible: typeof isFullyConvertible;
+    toText: typeof toText;
+}
+export { fromText, parseText, isFullyConvertible, toText };
+//# sourceMappingURL=index.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"index.d.ts","sourceRoot":"","sources":["../../../../src/nlp/index.ts"],"names":[],"mappings":"AAAA,OAAO,MAAM,EAAE,EAAE,aAAa,EAAE,OAAO,EAAE,MAAM,UAAU,CAAA;AACzD,OAAO,SAAS,MAAM,aAAa,CAAA;AACnC,OAAO,KAAK,MAAM,UAAU,CAAA;AAE5B,OAAgB,EAAE,QAAQ,EAAE,MAAM,QAAQ,CAAA;AAE1C;;;;;;;;EAQE;AAEF;;;;;;;;GAQG;AAKH;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;GAmEG;AACH,QAAA,MAAM,QAAQ,8CAEb,CAAA;AAuBD,QAAA,MAAM,MAAM,qIAEX,CAAA;AAED,QAAA,MAAQ,kBAAkB,kCAAW,CAAA;AAErC,MAAM,WAAW,GAAG;IAClB,QAAQ,EAAE,OAAO,QAAQ,CAAA;IACzB,SAAS,EAAE,OAAO,SAAS,CAAA;IAC3B,kBAAkB,EAAE,OAAO,kBAAkB,CAAA;IAC7C,MAAM,EAAE,OAAO,MAAM,CAAA;CACtB;AAED,OAAO,EAAE,QAAQ,EAAE,SAAS,EAAE,kBAAkB,EAAE,MAAM,EAAE,CAAA"}
@@ -0,0 +1,122 @@
+import ToText from './totext';
+import parseText from './parsetext';
+import RRule from '../index';
+import { Frequency } from '../types';
+import ENGLISH from './i18n';
+/*!
+* 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 = ENGLISH; }
+    return new RRule(parseText(text, language) || undefined);
+};
+var common = [
+    'count',
+    'until',
+    'interval',
+    'byweekday',
+    'bymonthday',
+    'bymonth'
+];
+ToText.IMPLEMENTED = [];
+ToText.IMPLEMENTED[Frequency.HOURLY] = common;
+ToText.IMPLEMENTED[Frequency.MINUTELY] = common;
+ToText.IMPLEMENTED[Frequency.DAILY] = ['byhour'].concat(common);
+ToText.IMPLEMENTED[Frequency.WEEKLY] = common;
+ToText.IMPLEMENTED[Frequency.MONTHLY] = common;
+ToText.IMPLEMENTED[Frequency.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;
+export { fromText, parseText, isFullyConvertible, toText };
+//# sourceMappingURL=index.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"index.js","sourceRoot":"","sources":["../../../../src/nlp/index.ts"],"names":[],"mappings":"AAAA,OAAO,MAAkC,MAAM,UAAU,CAAA;AACzD,OAAO,SAAS,MAAM,aAAa,CAAA;AACnC,OAAO,KAAK,MAAM,UAAU,CAAA;AAC5B,OAAO,EAAE,SAAS,EAAE,MAAM,UAAU,CAAA;AACpC,OAAO,OAAqB,MAAM,QAAQ,CAAA;AAE1C;;;;;;;;EAQE;AAEF;;;;;;;;GAQG;AAEH,gFAAgF;AAChF,WAAW;AACX,gFAAgF;AAChF;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;GAmEG;AACH,IAAM,QAAQ,GAAG,UAAU,IAAY,EAAE,QAA4B;IAA5B,yBAAA,EAAA,kBAA4B;IACnE,OAAO,IAAI,KAAK,CAAC,SAAS,CAAC,IAAI,EAAE,QAAQ,CAAC,IAAI,SAAS,CAAC,CAAA;AAC1D,CAAC,CAAA;AAED,IAAM,MAAM,GAAG;IACb,OAAO;IACP,OAAO;IACP,UAAU;IACV,WAAW;IACX,YAAY;IACZ,SAAS;CACV,CAAA;AAED,MAAM,CAAC,WAAW,GAAG,EAAE,CAAA;AACvB,MAAM,CAAC,WAAW,CAAC,SAAS,CAAC,MAAM,CAAC,GAAG,MAAM,CAAA;AAC7C,MAAM,CAAC,WAAW,CAAC,SAAS,CAAC,QAAQ,CAAC,GAAG,MAAM,CAAA;AAC/C,MAAM,CAAC,WAAW,CAAC,SAAS,CAAC,KAAK,CAAC,GAAG,CAAC,QAAQ,CAAC,CAAC,MAAM,CAAC,MAAM,CAAC,CAAA;AAC/D,MAAM,CAAC,WAAW,CAAC,SAAS,CAAC,MAAM,CAAC,GAAG,MAAM,CAAA;AAC7C,MAAM,CAAC,WAAW,CAAC,SAAS,CAAC,OAAO,CAAC,GAAG,MAAM,CAAA;AAC9C,MAAM,CAAC,WAAW,CAAC,SAAS,CAAC,MAAM,CAAC,GAAG,CAAC,UAAU,EAAE,WAAW,CAAC,CAAC,MAAM,CAAC,MAAM,CAAC,CAAA;AAE/E,gFAAgF;AAChF,SAAS;AACT,gFAAgF;AAEhF,IAAM,MAAM,GAAG,UAAU,KAAY,EAAE,OAAiB,EAAE,QAAmB,EAAE,aAA6B;IAC1G,OAAO,IAAI,MAAM,CAAC,KAAK,EAAE,OAAO,EAAE,QAAQ,EAAE,aAAa,CAAC,CAAC,QAAQ,EAAE,CAAA;AACvE,CAAC,CAAA;AAEO,IAAA,8CAAkB,CAAW;AASrC,OAAO,EAAE,QAAQ,EAAE,SAAS,EAAE,kBAAkB,EAAE,MAAM,EAAE,CAAA"}
@@ -0,0 +1,4 @@
+import { Language } from './i18n';
+import { Options } from '../types';
+export default function parseText(text: string, language?: Language): Partial<Options> | null;
+//# sourceMappingURL=parsetext.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"parsetext.d.ts","sourceRoot":"","sources":["../../../../src/nlp/parsetext.ts"],"names":[],"mappings":"AAAA,OAAgB,EAAE,QAAQ,EAAE,MAAM,QAAQ,CAAA;AAE1C,OAAO,EAAE,OAAO,EAAE,MAAM,UAAU,CAAA;AAkGlC,MAAM,CAAC,OAAO,UAAU,SAAS,CAAE,IAAI,EAAE,MAAM,EAAE,QAAQ,GAAE,QAAkB,2BAuV5E"}
@@ -0,0 +1,406 @@
+import ENGLISH from './i18n';
+import RRule from '../index';
+// =============================================================================
+// 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;
+}());
+export default function parseText(text, language) {
+    if (language === void 0) { language = ENGLISH; }
+    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 = RRule.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 = RRule.WEEKLY;
+                options.byweekday = [
+                    RRule.MO,
+                    RRule.TU,
+                    RRule.WE,
+                    RRule.TH,
+                    RRule.FR
+                ];
+                ttr.nextSymbol();
+                F();
+                break;
+            case 'week(s)':
+                options.freq = RRule.WEEKLY;
+                if (ttr.nextSymbol()) {
+                    ON();
+                    F();
+                }
+                break;
+            case 'hour(s)':
+                options.freq = RRule.HOURLY;
+                if (ttr.nextSymbol()) {
+                    ON();
+                    F();
+                }
+                break;
+            case 'minute(s)':
+                options.freq = RRule.MINUTELY;
+                if (ttr.nextSymbol()) {
+                    ON();
+                    F();
+                }
+                break;
+            case 'month(s)':
+                options.freq = RRule.MONTHLY;
+                if (ttr.nextSymbol()) {
+                    ON();
+                    F();
+                }
+                break;
+            case 'year(s)':
+                options.freq = RRule.YEARLY;
+                if (ttr.nextSymbol()) {
+                    ON();
+                    F();
+                }
+                break;
+            case 'monday':
+            case 'tuesday':
+            case 'wednesday':
+            case 'thursday':
+            case 'friday':
+            case 'saturday':
+            case 'sunday':
+                options.freq = RRule.WEEKLY;
+                var key = ttr.symbol.substr(0, 2).toUpperCase();
+                options.byweekday = [RRule[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(RRule[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 = RRule.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(RRule[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(RRule[wkd]);
+            }
+            else if (ttr.symbol === 'weekday(s)') {
+                ttr.nextSymbol();
+                if (!options.byweekday) {
+                    options.byweekday = [
+                        RRule.MO,
+                        RRule.TU,
+                        RRule.WE,
+                        RRule.TH,
+                        RRule.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')
+        }
+    }
+}
+//# sourceMappingURL=parsetext.js.map
@@ -0,0 +1,58 @@
+import { Language } from './i18n';
+import RRule from '../index';
+import { ByWeekday } from '../types';
+import { Weekday } from '../weekday';
+export declare type GetText = (id: string | number | Weekday) => string;
+export declare type DateFormatter = (year: number, month: string, day: number) => string;
+/**
+ *
+ * @param {RRule} rrule
+ * Optional:
+ * @param {Function} gettext function
+ * @param {Object} language definition
+ * @constructor
+ */
+export default class ToText {
+    static IMPLEMENTED: string[][];
+    private rrule;
+    private text;
+    private gettext;
+    private dateFormatter;
+    private language;
+    private options;
+    private origOptions;
+    private bymonthday;
+    private byweekday;
+    constructor(rrule: RRule, gettext?: GetText, language?: Language, dateFormatter?: DateFormatter);
+    /**
+     * Test whether the rrule can be fully converted to text.
+     * @param {RRule} rrule
+     * @return {Boolean}
+     */
+    static isFullyConvertible(rrule: RRule): boolean;
+    isFullyConvertible(): boolean;
+    /**
+     * 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 {*}
+     */
+    toString(): string;
+    HOURLY(): void;
+    MINUTELY(): void;
+    DAILY(): void;
+    WEEKLY(): void;
+    MONTHLY(): void;
+    YEARLY(): void;
+    private _bymonthday;
+    private _byweekday;
+    private _byhour;
+    private _bymonth;
+    nth(n: number | string): string;
+    monthtext(m: number): string;
+    weekdaytext(wday: Weekday | number): string;
+    plural(n: number): boolean;
+    add(s: string): this;
+    list(arr: ByWeekday | ByWeekday[], callback?: GetText, finalDelim?: string, delim?: string): string;
+}
+//# sourceMappingURL=totext.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"totext.d.ts","sourceRoot":"","sources":["../../../../src/nlp/totext.ts"],"names":[],"mappings":"AAAA,OAAgB,EAAE,QAAQ,EAAE,MAAM,QAAQ,CAAA;AAC1C,OAAO,KAAK,MAAM,UAAU,CAAA;AAC5B,OAAO,EAAW,SAAS,EAAE,MAAM,UAAU,CAAA;AAC7C,OAAO,EAAE,OAAO,EAAE,MAAM,YAAY,CAAA;AAkBpC,oBAAY,OAAO,GAAG,CAAC,EAAE,EAAE,MAAM,GAAG,MAAM,GAAG,OAAO,KAAK,MAAM,CAAA;AAI/D,oBAAY,aAAa,GAAG,CAAC,IAAI,EAAE,MAAM,EAAE,KAAK,EAAE,MAAM,EAAE,GAAG,EAAE,MAAM,KAAK,MAAM,CAAA;AAIhF;;;;;;;GAOG;AACH,MAAM,CAAC,OAAO,OAAO,MAAM;IACzB,MAAM,CAAC,WAAW,EAAE,MAAM,EAAE,EAAE,CAAA;IAC9B,OAAO,CAAC,KAAK,CAAO;IACpB,OAAO,CAAC,IAAI,CAAU;IACtB,OAAO,CAAC,OAAO,CAAS;IACxB,OAAO,CAAC,aAAa,CAAe;IACpC,OAAO,CAAC,QAAQ,CAAU;IAC1B,OAAO,CAAC,OAAO,CAAkB;IACjC,OAAO,CAAC,WAAW,CAAkB;IACrC,OAAO,CAAC,UAAU,CAA8B;IAChD,OAAO,CAAC,SAAS,CAKT;gBAEK,KAAK,EAAE,KAAK,EAAE,OAAO,GAAE,OAAwB,EAAE,QAAQ,GAAE,QAAkB,EAAE,aAAa,GAAE,aAAoC;IAiE/I;;;;OAIG;IACH,MAAM,CAAC,kBAAkB,CAAE,KAAK,EAAE,KAAK;IAcvC,kBAAkB;IAIlB;;;;;OAKG;IACH,QAAQ;IA4BR,MAAM;IAUN,QAAQ;IAYR,KAAK;IAgCL,MAAM;IAuCN,OAAO;IA4BP,MAAM;IAyCN,OAAO,CAAC,WAAW;IAiBnB,OAAO,CAAC,UAAU;IAiBlB,OAAO,CAAC,OAAO;IAQf,OAAO,CAAC,QAAQ;IAMhB,GAAG,CAAE,CAAC,EAAE,MAAM,GAAG,MAAM;IA8BvB,SAAS,CAAE,CAAC,EAAE,MAAM;IAIpB,WAAW,CAAE,IAAI,EAAE,OAAO,GAAG,MAAM;IAQnC,MAAM,CAAE,CAAC,EAAE,MAAM;IAIjB,GAAG,CAAE,CAAC,EAAE,MAAM;IAMd,IAAI,CAAE,GAAG,EAAE,SAAS,GAAG,SAAS,EAAE,EAAE,QAAQ,CAAC,EAAE,OAAO,EAAE,UAAU,CAAC,EAAE,MAAM,EAAE,KAAK,GAAE,MAAY;CAwCjG"}
@@ -0,0 +1,387 @@
+import ENGLISH from './i18n';
+import RRule from '../index';
+import { isArray, isNumber, isPresent } from '../helpers';
+// =============================================================================
+// 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 = /** @class */ (function () {
+    function ToText(rrule, gettext, language, dateFormatter) {
+        if (gettext === void 0) { gettext = defaultGetText; }
+        if (language === void 0) { language = ENGLISH; }
+        if (dateFormatter === void 0) { dateFormatter = defaultDateFormatter; }
+        this.text = [];
+        this.language = language || ENGLISH;
+        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 (isPresent(this.origOptions.byweekday)) {
+            var byweekday = !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[RRule.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('minute'));
+    };
+    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 = 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 (!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;
+}());
+export default ToText;
+//# sourceMappingURL=totext.js.map
@@ -0,0 +1,3 @@
+import { Options } from './types';
+export declare function optionsToString(options: Partial<Options>): string;
+//# sourceMappingURL=optionstostring.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"optionstostring.d.ts","sourceRoot":"","sources":["../../../src/optionstostring.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,OAAO,EAAE,MAAM,SAAS,CAAA;AAOjC,wBAAgB,eAAe,CAAE,OAAO,EAAE,OAAO,CAAC,OAAO,CAAC,UAqFzD"}
@@ -0,0 +1,94 @@
+import RRule, { DEFAULT_OPTIONS } from './rrule';
+import { includes, isPresent, isArray, isNumber, toArray } from './helpers';
+import { Weekday } from './weekday';
+import dateutil from './dateutil';
+import { DateWithZone } from './datewithzone';
+export 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 (!includes(defaultKeys, keys[i]))
+            continue;
+        var key = keys[i].toUpperCase();
+        var value = options[keys[i]];
+        var outValue = '';
+        if (!isPresent(value) || (isArray(value) && !value.length))
+            continue;
+        switch (key) {
+            case 'FREQ':
+                outValue = RRule.FREQUENCIES[options.freq];
+                break;
+            case 'WKST':
+                if (isNumber(value)) {
+                    outValue = new 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 = toArray(value).map(function (wday) {
+                    if (wday instanceof Weekday) {
+                        return wday;
+                    }
+                    if (isArray(wday)) {
+                        return new Weekday(wday[0], wday[1]);
+                    }
+                    return new Weekday(wday);
+                }).toString();
+                break;
+            case 'DTSTART':
+                dtstart = buildDtstart(value, options.tzid);
+                break;
+            case 'UNTIL':
+                outValue = dateutil.timeToUntilString(value, !options.tzid);
+                break;
+            default:
+                if (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(new Date(dtstart), tzid).toString();
+}
+//# sourceMappingURL=optionstostring.js.map
@@ -0,0 +1 @@
+{"version":3,"file":"optionstostring.js","sourceRoot":"","sources":["../../../src/optionstostring.ts"],"names":[],"mappings":"AACA,OAAO,KAAK,EAAE,EAAE,eAAe,EAAE,MAAM,SAAS,CAAA;AAChD,OAAO,EAAE,QAAQ,EAAE,SAAS,EAAE,OAAO,EAAE,QAAQ,EAAE,OAAO,EAAE,MAAM,WAAW,CAAA;AAC3E,OAAO,EAAE,OAAO,EAAE,MAAM,WAAW,CAAA;AACnC,OAAO,QAAQ,MAAM,YAAY,CAAA;AACjC,OAAO,EAAE,YAAY,EAAE,MAAM,gBAAgB,CAAA;AAE7C,MAAM,UAAU,eAAe,CAAE,OAAyB;IACxD,IAAI,KAAK,GAAe,EAAE,CAAA;IAC1B,IAAI,OAAO,GAAW,EAAE,CAAA;IACxB,IAAM,IAAI,GAAsB,MAAM,CAAC,IAAI,CAAC,OAAO,CAAsB,CAAA;IACzE,IAAM,WAAW,GAAG,MAAM,CAAC,IAAI,CAAC,eAAe,CAAC,CAAA;IAEhD,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,IAAI,CAAC,MAAM,EAAE,CAAC,EAAE,EAAE;QACpC,IAAI,IAAI,CAAC,CAAC,CAAC,KAAK,MAAM;YAAE,SAAQ;QAChC,IAAI,CAAC,QAAQ,CAAC,WAAW,EAAE,IAAI,CAAC,CAAC,CAAC,CAAC;YAAE,SAAQ;QAE7C,IAAI,GAAG,GAAG,IAAI,CAAC,CAAC,CAAC,CAAC,WAAW,EAAE,CAAA;QAC/B,IAAM,KAAK,GAAQ,OAAO,CAAC,IAAI,CAAC,CAAC,CAAC,CAAC,CAAA;QACnC,IAAI,QAAQ,GAAW,EAAE,CAAA;QAEzB,IAAI,CAAC,SAAS,CAAC,KAAK,CAAC,IAAI,CAAC,OAAO,CAAC,KAAK,CAAC,IAAI,CAAC,KAAK,CAAC,MAAM,CAAC;YAAE,SAAQ;QAEpE,QAAQ,GAAG,EAAE;YACX,KAAK,MAAM;gBACT,QAAQ,GAAG,KAAK,CAAC,WAAW,CAAC,OAAO,CAAC,IAAK,CAAC,CAAA;gBAC3C,MAAK;YACP,KAAK,MAAM;gBACT,IAAI,QAAQ,CAAC,KAAK,CAAC,EAAE;oBACnB,QAAQ,GAAG,IAAI,OAAO,CAAC,KAAK,CAAC,CAAC,QAAQ,EAAE,CAAA;iBACzC;qBAAM;oBACL,QAAQ,GAAG,KAAK,CAAC,QAAQ,EAAE,CAAA;iBAC5B;gBACD,MAAK;YACP,KAAK,WAAW;gBACZ;;;;;;;;;;kBAUE;gBACJ,GAAG,GAAG,OAAO,CAAA;gBACb,QAAQ,GAAG,OAAO,CAA8B,KAAK,CAAC,CAAC,GAAG,CAAC,UAAA,IAAI;oBAC7D,IAAI,IAAI,YAAY,OAAO,EAAE;wBAC3B,OAAO,IAAI,CAAA;qBACZ;oBAED,IAAI,OAAO,CAAC,IAAI,CAAC,EAAE;wBACjB,OAAO,IAAI,OAAO,CAAC,IAAI,CAAC,CAAC,CAAC,EAAE,IAAI,CAAC,CAAC,CAAC,CAAC,CAAA;qBACrC;oBAED,OAAO,IAAI,OAAO,CAAC,IAAI,CAAC,CAAA;gBAC1B,CAAC,CAAC,CAAC,QAAQ,EAAE,CAAA;gBAEb,MAAK;YACP,KAAK,SAAS;gBACZ,OAAO,GAAG,YAAY,CAAC,KAAK,EAAE,OAAO,CAAC,IAAI,CAAC,CAAA;gBAC3C,MAAK;YAEP,KAAK,OAAO;gBACV,QAAQ,GAAG,QAAQ,CAAC,iBAAiB,CAAC,KAAK,EAAE,CAAC,OAAO,CAAC,IAAI,CAAC,CAAA;gBAC3D,MAAK;YAEP;gBACE,IAAI,OAAO,CAAC,KAAK,CAAC,EAAE;oBAClB,IAAM,SAAS,GAAa,EAAE,CAAA;oBAC9B,KAAK,IAAI,CAAC,GAAG,CAAC,EAAE,CAAC,GAAG,KAAK,CAAC,MAAM,EAAE,CAAC,EAAE,EAAE;wBACrC,SAAS,CAAC,CAAC,CAAC,GAAG,MAAM,CAAC,KAAK,CAAC,CAAC,CAAC,CAAC,CAAA;qBAChC;oBACD,QAAQ,GAAG,SAAS,CAAC,QAAQ,EAAE,CAAA;iBAChC;qBAAM;oBACL,QAAQ,GAAG,MAAM,CAAC,KAAK,CAAC,CAAA;iBACzB;SACJ;QAED,IAAI,QAAQ,EAAE;YACZ,KAAK,CAAC,IAAI,CAAC,CAAC,GAAG,EAAE,QAAQ,CAAC,CAAC,CAAA;SAC5B;KACF;IAED,IAAM,KAAK,GAAG,KAAK,CAAC,GAAG,CAAC,UAAC,EAAY;YAAX,WAAG,EAAE,aAAK;QAAM,OAAG,GAAG,SAAI,KAAK,CAAC,QAAQ,EAAI;IAA5B,CAA4B,CAAC,CAAC,IAAI,CAAC,GAAG,CAAC,CAAA;IACjF,IAAI,UAAU,GAAG,EAAE,CAAA;IACnB,IAAI,KAAK,KAAK,EAAE,EAAE;QAChB,UAAU,GAAG,WAAS,KAAO,CAAA;KAC9B;IAED,OAAO,CAAE,OAAO,EAAE,UAAU,CAAE,CAAC,MAAM,CAAC,UAAA,CAAC,IAAI,OAAA,CAAC,CAAC,CAAC,EAAH,CAAG,CAAC,CAAC,IAAI,CAAC,IAAI,CAAC,CAAA;AAC5D,CAAC;AAED,SAAS,YAAY,CAAE,OAAgB,EAAE,IAAoB;IAC3D,IAAI,CAAC,OAAO,EAAE;QACZ,OAAO,EAAE,CAAA;KACV;IAED,OAAO,SAAS,GAAG,IAAI,YAAY,CAAC,IAAI,IAAI,CAAC,OAAO,CAAC,EAAE,IAAI,CAAC,CAAC,QAAQ,EAAE,CAAA;AACzE,CAAC"}
@@ -0,0 +1,29 @@
+import { Options, ParsedOptions } from './types';
+import { Weekday } from './weekday';
+import { Time } from './datetime';
+export declare function initializeOptions(options: Partial<Options>): {
+    freq?: import("./types").Frequency | undefined;
+    dtstart?: Date | null | undefined;
+    interval?: number | undefined;
+    wkst?: number | Weekday | null | undefined;
+    count?: number | null | undefined;
+    until?: Date | null | undefined;
+    tzid?: string | null | undefined;
+    bysetpos?: number | number[] | null | undefined;
+    bymonth?: number | number[] | null | undefined;
+    bymonthday?: number | number[] | null | undefined;
+    bynmonthday?: number[] | null | undefined;
+    byyearday?: number | number[] | null | undefined;
+    byweekno?: number | number[] | null | undefined;
+    byweekday?: number | Weekday | "MO" | "TU" | "WE" | "TH" | "FR" | "SA" | "SU" | import("./types").ByWeekday[] | null | undefined;
+    bynweekday?: number[][] | null | undefined;
+    byhour?: number | number[] | null | undefined;
+    byminute?: number | number[] | null | undefined;
+    bysecond?: number | number[] | null | undefined;
+    byeaster?: number | null | undefined;
+};
+export declare function parseOptions(options: Partial<Options>): {
+    parsedOptions: ParsedOptions;
+};
+export declare function buildTimeset(opts: ParsedOptions): Time[];
+//# sourceMappingURL=parseoptions.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"parseoptions.d.ts","sourceRoot":"","sources":["../../../src/parseoptions.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,OAAO,EAAE,aAAa,EAAwB,MAAM,SAAS,CAAA;AAItE,OAAO,EAAE,OAAO,EAAE,MAAM,WAAW,CAAA;AACnC,OAAO,EAAE,IAAI,EAAE,MAAM,YAAY,CAAA;AAEjC,wBAAgB,iBAAiB,CAAE,OAAO,EAAE,OAAO,CAAC,OAAO,CAAC;;;;;;;;;;;;;;;;;;;;EAe3D;AAED,wBAAgB,YAAY,CAAE,OAAO,EAAE,OAAO,CAAC,OAAO,CAAC;;EAyKtD;AAED,wBAAgB,YAAY,CAAE,IAAI,EAAE,aAAa,UAgBhD"}
@@ -0,0 +1,201 @@
+import { __assign } from "tslib";
+import { freqIsDailyOrGreater } from './types';
+import { includes, notEmpty, isPresent, isNumber, isArray, isWeekdayStr } from './helpers';
+import RRule, { defaultKeys, DEFAULT_OPTIONS } from './rrule';
+import dateutil from './dateutil';
+import { Weekday } from './weekday';
+import { Time } from './datetime';
+export 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 (!includes(defaultKeys, key))
+            invalid.push(key);
+        if (dateutil.isDate(options[key]) && !dateutil.isValidDate(options[key]))
+            invalid.push(key);
+    }
+    if (invalid.length) {
+        throw new Error('Invalid options: ' + invalid.join(', '));
+    }
+    return __assign({}, options);
+}
+export function parseOptions(options) {
+    var opts = __assign(__assign({}, DEFAULT_OPTIONS), initializeOptions(options));
+    if (isPresent(opts.byeaster))
+        opts.freq = RRule.YEARLY;
+    if (!(isPresent(opts.freq) && 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 (!isPresent(opts.wkst)) {
+        opts.wkst = RRule.MO.weekday;
+    }
+    else if (isNumber(opts.wkst)) {
+        // cool, just keep it like that
+    }
+    else {
+        opts.wkst = opts.wkst.weekday;
+    }
+    if (isPresent(opts.bysetpos)) {
+        if (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) ||
+        notEmpty(opts.byweekno) ||
+        notEmpty(opts.byyearday) ||
+        Boolean(opts.bymonthday) ||
+        notEmpty(opts.bymonthday) ||
+        isPresent(opts.byweekday) ||
+        isPresent(opts.byeaster))) {
+        switch (opts.freq) {
+            case RRule.YEARLY:
+                if (!opts.bymonth)
+                    opts.bymonth = opts.dtstart.getUTCMonth() + 1;
+                opts.bymonthday = opts.dtstart.getUTCDate();
+                break;
+            case RRule.MONTHLY:
+                opts.bymonthday = opts.dtstart.getUTCDate();
+                break;
+            case RRule.WEEKLY:
+                opts.byweekday = [dateutil.getWeekday(opts.dtstart)];
+                break;
+        }
+    }
+    // bymonth
+    if (isPresent(opts.bymonth) && !isArray(opts.bymonth)) {
+        opts.bymonth = [opts.bymonth];
+    }
+    // byyearday
+    if (isPresent(opts.byyearday) &&
+        !isArray(opts.byyearday) &&
+        isNumber(opts.byyearday)) {
+        opts.byyearday = [opts.byyearday];
+    }
+    // bymonthday
+    if (!isPresent(opts.bymonthday)) {
+        opts.bymonthday = [];
+        opts.bynmonthday = [];
+    }
+    else if (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 (isPresent(opts.byweekno) && !isArray(opts.byweekno)) {
+        opts.byweekno = [opts.byweekno];
+    }
+    // byweekday / bynweekday
+    if (!isPresent(opts.byweekday)) {
+        opts.bynweekday = null;
+    }
+    else if (isNumber(opts.byweekday)) {
+        opts.byweekday = [opts.byweekday];
+        opts.bynweekday = null;
+    }
+    else if (isWeekdayStr(opts.byweekday)) {
+        opts.byweekday = [Weekday.fromStr(opts.byweekday).weekday];
+        opts.bynweekday = null;
+    }
+    else if (opts.byweekday instanceof Weekday) {
+        if (!opts.byweekday.n || opts.freq > 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 (isNumber(wday)) {
+                byweekday.push(wday);
+                continue;
+            }
+            else if (isWeekdayStr(wday)) {
+                byweekday.push(Weekday.fromStr(wday).weekday);
+                continue;
+            }
+            if (!wday.n || opts.freq > RRule.MONTHLY) {
+                byweekday.push(wday.weekday);
+            }
+            else {
+                bynweekday.push([wday.weekday, wday.n]);
+            }
+        }
+        opts.byweekday = notEmpty(byweekday) ? byweekday : null;
+        opts.bynweekday = notEmpty(bynweekday) ? bynweekday : null;
+    }
+    // byhour
+    if (!isPresent(opts.byhour)) {
+        opts.byhour =
+            opts.freq < RRule.HOURLY ? [opts.dtstart.getUTCHours()] : null;
+    }
+    else if (isNumber(opts.byhour)) {
+        opts.byhour = [opts.byhour];
+    }
+    // byminute
+    if (!isPresent(opts.byminute)) {
+        opts.byminute =
+            opts.freq < RRule.MINUTELY ? [opts.dtstart.getUTCMinutes()] : null;
+    }
+    else if (isNumber(opts.byminute)) {
+        opts.byminute = [opts.byminute];
+    }
+    // bysecond
+    if (!isPresent(opts.bysecond)) {
+        opts.bysecond =
+            opts.freq < RRule.SECONDLY ? [opts.dtstart.getUTCSeconds()] : null;
+    }
+    else if (isNumber(opts.bysecond)) {
+        opts.bysecond = [opts.bysecond];
+    }
+    return { parsedOptions: opts };
+}
+export 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;
+}
+//# sourceMappingURL=parseoptions.js.map
@@ -0,0 +1,4 @@
+import { Options } from './types';
+export declare function parseString(rfcString: string): Partial<Options>;
+export declare function parseDtstart(line: string): Partial<Options>;
+//# sourceMappingURL=parsestring.d.ts.map
@@ -0,0 +1 @@
+{"version":3,"file":"parsestring.d.ts","sourceRoot":"","sources":["../../../src/parsestring.ts"],"names":[],"mappings":"AAAA,OAAO,EAAE,OAAO,EAAa,MAAM,SAAS,CAAA;AAK5C,wBAAgB,WAAW,CAAE,SAAS,EAAE,MAAM,GAAG,OAAO,CAAC,OAAO,CAAC,CAGhE;AAED,wBAAgB,YAAY,CAAE,IAAI,EAAE,MAAM,oBAgBzC"}
--- a/Show More
+++ b/Show More
				`@@ -0,0 +1 @@`
				`{"version":3,"file":"demo.d.ts","sourceRoot":"","sources":["../../../demo/demo.ts"],"names":[],"mappings":""}`
				`@@ -0,0 +1 @@`
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				`@@ -0,0 +1 @@`
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				`@@ -0,0 +1 @@`
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				`@@ -0,0 +1 @@`
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				`@@ -0,0 +1 @@`
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				`@@ -0,0 +1 @@`
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