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 王天杨
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import { toDate } from "./toDate.mjs";
/**
* The locale string (see: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl#locales_argument).
*/
/**
* The format options (see: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/DateTimeFormat/DateTimeFormat#options)
*/
/**
* The locale options.
*/
/**
* @name intlFormat
* @category Common Helpers
* @summary Format the date with Intl.DateTimeFormat (https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/DateTimeFormat).
*
* @description
* Return the formatted date string in the given format.
* The method uses [`Intl.DateTimeFormat`](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/DateTimeFormat) inside.
* formatOptions are the same as [`Intl.DateTimeFormat` options](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Intl/DateTimeFormat#using_options)
*
* > ⚠️ Please note that before Node version 13.0.0, only the locale data for en-US is available by default.
*
* @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).
*
* @param date - The date to format
*
* @returns The formatted date string
*
* @throws `date` must not be Invalid Date
*
* @example
* // Represent 4 October 2019 in middle-endian format:
* const result = intlFormat(new Date(2019, 9, 4, 12, 30, 13, 456))
* //=> 10/4/2019
*/
/**
* @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).
*
* @param date - The date to format
* @param localeOptions - An object with locale
*
* @returns The formatted date string
*
* @throws `date` must not be Invalid Date
*
* @example
* // Represent 4 October 2019 in Korean.
* // Convert the date with locale's options.
* const result = intlFormat(new Date(2019, 9, 4, 12, 30, 13, 456), {
* locale: 'ko-KR',
* })
* //=> 2019. 10. 4.
*/
/**
* @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).
*
* @param date - The date to format
* @param formatOptions - The format options
*
* @returns The formatted date string
*
* @throws `date` must not be Invalid Date
*
* @example
* // Represent 4 October 2019.
* // Convert the date with format's options.
* const result = intlFormat.default(new Date(2019, 9, 4, 12, 30, 13, 456), {
* year: 'numeric',
* month: 'numeric',
* day: 'numeric',
* hour: 'numeric',
* })
* //=> 10/4/2019, 12 PM
*/
/**
* @typeParam DateType - The `Date` type, the function operates on. Gets inferred from passed arguments. Allows to use extensions like [`UTCDate`](https://github.com/date-fns/utc).
*
* @param date - The date to format
* @param formatOptions - The format options
* @param localeOptions - An object with locale
*
* @returns The formatted date string
*
* @throws `date` must not be Invalid Date
*
* @example
* // Represent 4 October 2019 in German.
* // Convert the date with format's options and locale's options.
* const result = intlFormat(new Date(2019, 9, 4, 12, 30, 13, 456), {
* weekday: 'long',
* year: 'numeric',
* month: 'long',
* day: 'numeric',
* }, {
* locale: 'de-DE',
* })
* //=> Freitag, 4. Oktober 2019
*/
export function intlFormat(date, formatOrLocale, localeOptions) {
let formatOptions;
if (isFormatOptions(formatOrLocale)) {
formatOptions = formatOrLocale;
} else {
localeOptions = formatOrLocale;
}
return new Intl.DateTimeFormat(localeOptions?.locale, formatOptions).format(
toDate(date),
);
}
function isFormatOptions(opts) {
return opts !== undefined && !("locale" in opts);
}
// Fallback for modularized imports:
export default intlFormat;
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