isToday()

.isToday(): boolean

import { fdu } from "@pyyupsk/fdu";

// Assuming today is 2024-01-15
fdu("2024-01-15").isToday();          // true
fdu("2024-01-15T23:59:59").isToday(); // true (same day, different time)
fdu("2024-01-14").isToday();          // false
fdu("2024-01-16").isToday();          // false

fdu().isToday(); // always true (current moment)

function renderCalendarDay(date: FduInstance) {
  const isCurrentDay = date.isToday();

  return {
    date: date.format("D"),
    className: isCurrentDay ? "today highlight" : "day",
  };
}

const events = [
  { date: fdu("2024-01-14"), title: "Yesterday's Meeting" },
  { date: fdu("2024-01-15"), title: "Today's Meeting" },
  { date: fdu("2024-01-16"), title: "Tomorrow's Meeting" },
];

// Assuming today is 2024-01-15
const todaysEvents = events.filter((e) => e.date.isToday());
// [{ date: ..., title: "Today's Meeting" }]

function shouldRemind(taskDueDate: FduInstance): boolean {
  return taskDueDate.isToday() || taskDueDate.isBefore(fdu(), "day");
}

const task = { dueDate: fdu("2024-01-15"), title: "Submit report" };
shouldRemind(task.dueDate); // true if today or overdue

function getDateLabel(date: FduInstance): string {
  if (date.isToday()) return "Today";
  if (date.isTomorrow()) return "Tomorrow";
  if (date.isYesterday()) return "Yesterday";
  return date.format("MMM D, YYYY");
}

getDateLabel(fdu());                    // "Today"
getDateLabel(fdu().add(1, "day"));      // "Tomorrow"
getDateLabel(fdu().subtract(1, "day")); // "Yesterday"
getDateLabel(fdu("2024-12-25"));        // "Dec 25, 2024"