rrule
Version:
JavaScript library for working with recurrence rules for calendar dates.
201 lines • 6.76 kB
JavaScript
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 { getWeekday, isDate, isValidDate } 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 (isDate(options[key]) && !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: ".concat(opts.freq, " ").concat(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 = [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;
}
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