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import { Notyf } from "notyf";
const DEFAULT_MINS = 12;
const MIN_MINS = 0.5;
const initialMins = Number(sessionStorage.getItem("mins")) || DEFAULT_MINS;
const initialRunning = Boolean(Number(sessionStorage.getItem("running")));
const initialDeadline = Number(sessionStorage.getItem("deadline")) || Date.now();
const initialRemainingMs = initialRunning
? Math.max(initialDeadline - Date.now(), 0)
: initialMins * 60 * 1000;
let mins = $state(initialMins);
let running = $state(initialRunning);
let deadline = $state(initialDeadline);
let remainingMs = $state(initialRemainingMs);
let intervalId = null;
function persist() {
sessionStorage.setItem("mins", mins);
sessionStorage.setItem("running", Number(running));
sessionStorage.setItem("deadline", deadline);
}
function showRoundCompletedToast() {
const notyf = new Notyf({
duration: 0,
position: { x: "center", y: "top" },
dismissible: true,
});
notyf.error("Round completed");
}
function stopInterval() {
if (intervalId !== null) clearInterval(intervalId);
intervalId = null;
}
function tick() {
const msToDeadline = deadline - Date.now();
if (msToDeadline > 0) {
remainingMs = msToDeadline;
return;
}
stopInterval();
running = false;
remainingMs = mins * 60 * 1000;
persist();
showRoundCompletedToast();
}
export function getMins() {
return mins;
}
export function getRunning() {
return running;
}
export function getRemainingMs() {
return remainingMs;
}
export function formatRemaining(ms) {
const m = Math.floor((ms % (1000 * 60 * 60)) / (1000 * 60));
const s = Math.floor((ms % (1000 * 60)) / 1000);
const pad = (n) => (n < 10 ? "0" + n : String(n));
return `${pad(m)}:${pad(s)}`;
}
export function getDisplay() {
return formatRemaining(remainingMs);
}
export function stopTimer() {
stopInterval();
running = false;
remainingMs = mins * 60 * 1000;
persist();
}
export function start(fresh = true) {
if (fresh && running) return;
if (fresh) {
deadline = Date.now() + mins * 60 * 1000;
}
running = true;
remainingMs = Math.max(deadline - Date.now(), 0);
persist();
stopInterval();
intervalId = setInterval(tick, 1000);
}
export function changeMinutes(delta) {
mins = Math.max(mins + delta, MIN_MINS);
stopTimer();
}
// Resume a timer that was still running across a page reload, otherwise
// settle the display to the resting (not-running) state.
if (initialRunning) {
start(false);
} else {
stopTimer();
}
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