light-date/dist/index.esm.js

Blazing fast & lightweight (180 bytes) date formatting for Node.js and the browser.

/**
 * Use this API for simple, most common formatting.
 *
 * @param {Date}  date - Date object, which should be used.
 * @param {string} exp - String, which you want to format, for example: `{yyyy}-{MM}-{dd}` or Current time: `{hh}:{mm}:{ss}`.
 * @return {string} String with formatted date.
 *
 * @example
 * format(new Date(2014, 1, 11), '{yyyy}-{MM}-{dd}') //=> '2014-01-11'
 */
export const format = (date, exp) => exp.replace(/\\?{.*?}/g, key => {
    if (key.startsWith('\\')) {
        return key.slice(1);
    }
    switch (key) {
        case '{yyyy}':
            return `${date.getFullYear()}`;
        case '{yy}':
            return `${date.getFullYear()}`.slice(-2);
        case '{MM}':
            return `${(date.getMonth() + 1)}`.padStart(2, '0');
        case '{dd}':
            return `${date.getDate()}`.padStart(2, '0');
        case '{HH}':
            return `${date.getHours()}`.padStart(2, '0');
        case '{mm}':
            return `${date.getMinutes()}`.padStart(2, '0');
        case '{ss}':
            return `${date.getSeconds()}`.padStart(2, '0');
        case '{SSS}':
            return `${date.getMilliseconds()}`.padStart(3, '0');
        default:
            return '';
    }
});
/* c8 ignore next */
export { default as localeFormat } from './locale';