black-friday/dist/index.js

A lightweight, dependency-free utility to calculate Thanksgiving, Black Friday, and Cyber Monday dates for a given year.

"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) => {
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  }
  return to;
};
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);

// src/index.ts
var index_exports = {};
__export(index_exports, {
  blackFriday: () => blackFriday,
  cyberMonday: () => cyberMonday,
  daysUntilBlackFriday: () => daysUntilBlackFriday,
  daysUntilCyberMonday: () => daysUntilCyberMonday,
  daysUntilThanksgiving: () => daysUntilThanksgiving,
  thanksgiving: () => thanksgiving
});
module.exports = __toCommonJS(index_exports);
var getNovFirst = (year = (/* @__PURE__ */ new Date()).getFullYear()) => new Date(year, 10, 1);
var getFirstThursday = (year = (/* @__PURE__ */ new Date()).getFullYear()) => {
  const novFirst = getNovFirst(year);
  const dayOfWeek = novFirst.getDay();
  const daysToAdd = dayOfWeek <= 4 ? 4 - dayOfWeek : 11 - dayOfWeek;
  return new Date(novFirst.getFullYear(), novFirst.getMonth(), novFirst.getDate() + daysToAdd);
};
var thanksgiving = (year = (/* @__PURE__ */ new Date()).getFullYear()) => {
  const firstThursday = getFirstThursday(year);
  return new Date(firstThursday.getFullYear(), firstThursday.getMonth(), firstThursday.getDate() + 21);
};
var blackFriday = (year = (/* @__PURE__ */ new Date()).getFullYear()) => {
  const thanksgivingDate = thanksgiving(year);
  return new Date(thanksgivingDate.getFullYear(), thanksgivingDate.getMonth(), thanksgivingDate.getDate() + 1);
};
var cyberMonday = (year = (/* @__PURE__ */ new Date()).getFullYear()) => {
  const thanksgivingDate = thanksgiving(year);
  return new Date(thanksgivingDate.getFullYear(), thanksgivingDate.getMonth(), thanksgivingDate.getDate() + 4);
};
var daysUntil = (eventDate) => {
  const today = /* @__PURE__ */ new Date();
  today.setHours(0, 0, 0, 0);
  eventDate.setHours(0, 0, 0, 0);
  return Math.ceil((eventDate.getTime() - today.getTime()) / (1e3 * 3600 * 24));
};
var daysUntilThanksgiving = (year = (/* @__PURE__ */ new Date()).getFullYear()) => {
  return daysUntil(thanksgiving(year));
};
var daysUntilBlackFriday = (year = (/* @__PURE__ */ new Date()).getFullYear()) => {
  return daysUntil(blackFriday(year));
};
var daysUntilCyberMonday = (year = (/* @__PURE__ */ new Date()).getFullYear()) => {
  return daysUntil(cyberMonday(year));
};
// Annotate the CommonJS export names for ESM import in node:
0 && (module.exports = {
  blackFriday,
  cyberMonday,
  daysUntilBlackFriday,
  daysUntilCyberMonday,
  daysUntilThanksgiving,
  thanksgiving
});
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