rrule-rust is a library for working with recurrence rules based on Rust's rrule crate
See test folder to find more use cases
npm i rrule-rust
import { RRule, RRuleSet, Frequency, DateTime } from 'rrule-rust';
const rrule = new RRule({
frequency: Frequency.Daily,
count: 5,
});
const set = new RRuleSet({
dtstart: DateTime.create(1997, 9, 2, 9, 0, 0, false),
tzid: 'US/Eastern',
rrules: [rrule],
});
const dates = set.all(); // [ DateTime, DateTime, DateTime, DateTime, DateTime ]
const asString = set.toString(); // DTSTART;TZID=US/Eastern:19970902T090000\nFREQ=daily;COUNT=5;BYHOUR=9;BYMINUTE=0;BYSECOND=0 Host: MacBook Pro, 14-inch, 2023
OS: macOS 14.4.1 (23E224)
Processor: Apple M3 Pro
Memory: 36 GB LPDDR5
| rrule | rrule-rust | ||
|---|---|---|---|
| UTC TZ | 15 904 ops/s | 108 538 ops/s | ~6x faster |
| Other TZ | 260 ops/s | 106 034 ops/s | ~400x faster |
You can run benchmarks using npm run benchmark
rrule-rust is MIT licensed.