react-datetime-picker/dist/shared/dateFormatter.js

A date range picker for your React app.

import getUserLocale from 'get-user-locale';
const formatterCache = new Map();
export function getFormatter(options) {
    return function formatter(locale, date) {
        const localeWithDefault = locale || getUserLocale();
        if (!formatterCache.has(localeWithDefault)) {
            formatterCache.set(localeWithDefault, new Map());
        }
        const formatterCacheLocale = formatterCache.get(localeWithDefault);
        if (!formatterCacheLocale.has(options)) {
            const formatter = new Intl.DateTimeFormat(localeWithDefault || undefined, options);
            formatterCacheLocale.set(options, formatter.format.bind(formatter));
        }
        return formatterCacheLocale.get(options)(date);
    };
}
const numberFormatterCache = new Map();
export function getNumberFormatter(options) {
    return (locale, number) => {
        const localeWithDefault = locale || getUserLocale();
        if (!numberFormatterCache.has(localeWithDefault)) {
            numberFormatterCache.set(localeWithDefault, new Map());
        }
        const numberFormatterCacheLocale = numberFormatterCache.get(localeWithDefault);
        if (!numberFormatterCacheLocale.has(options)) {
            const formatter = new Intl.NumberFormat(localeWithDefault || undefined, options);
            numberFormatterCacheLocale.set(options, formatter.format.bind(formatter));
        }
        return numberFormatterCacheLocale.get(options)(number);
    };
}
const formatDateOptions = {
    day: 'numeric',
    month: 'numeric',
    year: 'numeric',
};
export const formatDate = getFormatter(formatDateOptions);