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react-datetime-picker

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