date.ts

export const toLocaleDate = (datetime: string) => {
    const date = new Date(datetime);

    if (isNaN(date.getTime())) {
        return 'n/a';
    }

    const options: Intl.DateTimeFormatOptions = {
        year: 'numeric',
        month: 'short',
        day: 'numeric'
    };

    return date.toLocaleDateString('en', options);
};

export const toLocaleDateTime = (datetime: string | number) => {
    const date = new Date(datetime);

    if (isNaN(date.getTime())) {
        return 'n/a';
    }

    const options: Intl.DateTimeFormatOptions = {
        year: 'numeric',
        month: 'short',
        day: 'numeric',
        hour: 'numeric',
        minute: 'numeric',
        hourCycle: 'h23'
    };

    return date.toLocaleDateString('en', options);
};

export const isSameDay = (date1: Date, date2: Date) => {
    return (
        date1.getFullYear() === date2.getFullYear() &&
        date1.getMonth() === date2.getMonth() &&
        date1.getDate() === date2.getDate()
    );
};

export const isValidDate = (date: string) => {
    return !isNaN(new Date(date).getTime());
};

export const diffDays = (date1: Date, date2: Date) => {
    const diffTime = Math.abs(date2.getTime() - date1.getTime());
    return Math.floor(diffTime / (1000 * 60 * 60 * 24));
};