bdd-use-countdown/dist/index.js

React hook encapsulating countdown functionality

"use strict";
var __defProp = Object.defineProperty;
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
var __getOwnPropNames = Object.getOwnPropertyNames;
var __hasOwnProp = Object.prototype.hasOwnProperty;
var __export = (target, all) => {
  for (var name in all)
    __defProp(target, name, { get: all[name], enumerable: true });
};
var __copyProps = (to, from, except, desc) => {
  if (from && typeof from === "object" || typeof from === "function") {
    for (let key of __getOwnPropNames(from))
      if (!__hasOwnProp.call(to, key) && key !== except)
        __defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// src/index.ts
var index_exports = {};
__export(index_exports, {
  useCountdown: () => useCountdown
});
module.exports = __toCommonJS(index_exports);
var import_react = require("react");
var import_bdd_date_ext = require("bdd-date-ext");
function useCountdown({
  start = new import_bdd_date_ext.DateX(),
  end,
  onStart,
  onEnd,
  timedActions = []
}) {
  const [values, setValues] = (0, import_react.useState)(
    () => diffTime(start, end)
  );
  const timerRef = (0, import_react.useRef)(null);
  const executedActionsRef = (0, import_react.useRef)(/* @__PURE__ */ new Set());
  (0, import_react.useEffect)(() => {
    onStart?.(start);
    timerRef.current = setInterval(() => {
      const now = new import_bdd_date_ext.DateX();
      const timeLeft = diffTime(now, end);
      setValues(timeLeft);
      for (const { timestamp, action } of timedActions) {
        const ts = timestamp.getTime();
        if (now.getTime() >= ts && !executedActionsRef.current.has(ts)) {
          action(timestamp);
          executedActionsRef.current.add(ts);
        }
      }
      if (now.getTime() >= end.getTime()) {
        clearInterval(timerRef.current);
        onEnd?.(end);
      }
    }, 1e3);
    return () => clearInterval(timerRef.current);
  }, [end.getTime()]);
  return values;
}
function diffTime(from, to) {
  const durationMs = Math.max(to.getTime() - from.getTime(), 0);
  let remaining = durationMs;
  const ms = remaining % 1e3;
  remaining = Math.floor(remaining / 1e3);
  const s = remaining % 60;
  remaining = Math.floor(remaining / 60);
  const m = remaining % 60;
  remaining = Math.floor(remaining / 60);
  const h = remaining % 24;
  remaining = Math.floor(remaining / 24);
  const d = remaining;
  return {
    days: d,
    hours: h,
    minutes: m,
    seconds: s,
    milliseconds: ms
  };
}
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  useCountdown
});