https://deno.land/x/pomo 🍅

import { DAY, format, MINUTE, Pomo } from "https://deno.land/x/pomo/mod.ts";

import { DAY, format, MINUTE, Pomo } from "pomo";

// Options for creating a pomo from a pattern
const pattern = "25w5b"; // 25 minutes of work, 5 minutes of break
const dayLength = DAY; // 1 day in milliseconds
const ref = new Date(new Date().setHours(0, 0, 0, 0)).valueOf(); // Previous midnight
const scale = MINUTE; // Scale minutes in pattern to milliseconds

const pomo = Pomo.fromPattern({
  pattern, // required
  dayLength, // required
  ref, // required
  scale, // default = 1
});

const stamp = pomo.at(new Date().valueOf());
console.log(format(stamp.timeout, "HH:mm:ss.SSS"));