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function $parcel$export(e, n, v, s) {
Object.defineProperty(e, n, {get: v, set: s, enumerable: true, configurable: true});
}
$parcel$export(module.exports, "DateFormatter", () => $8f23a04ae90a588b$export$ad991b66133851cf);
/*
* Copyright 2020 Adobe. All rights reserved.
* This file is licensed to you under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License. You may obtain a copy
* of the License at http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under
* the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
* OF ANY KIND, either express or implied. See the License for the specific language
* governing permissions and limitations under the License.
*/ let $8f23a04ae90a588b$var$formatterCache = new Map();
class $8f23a04ae90a588b$export$ad991b66133851cf {
/** Formats a date as a string according to the locale and format options passed to the constructor. */ format(value) {
return this.formatter.format(value);
}
/** Formats a date to an array of parts such as separators, numbers, punctuation, and more. */ formatToParts(value) {
return this.formatter.formatToParts(value);
}
/** Formats a date range as a string. */ formatRange(start, end) {
// @ts-ignore
if (typeof this.formatter.formatRange === 'function') // @ts-ignore
return this.formatter.formatRange(start, end);
if (end < start) throw new RangeError('End date must be >= start date');
// Very basic fallback for old browsers.
return `${this.formatter.format(start)} \u{2013} ${this.formatter.format(end)}`;
}
/** Formats a date range as an array of parts. */ formatRangeToParts(start, end) {
// @ts-ignore
if (typeof this.formatter.formatRangeToParts === 'function') // @ts-ignore
return this.formatter.formatRangeToParts(start, end);
if (end < start) throw new RangeError('End date must be >= start date');
let startParts = this.formatter.formatToParts(start);
let endParts = this.formatter.formatToParts(end);
return [
...startParts.map((p)=>({
...p,
source: 'startRange'
})),
{
type: 'literal',
value: " \u2013 ",
source: 'shared'
},
...endParts.map((p)=>({
...p,
source: 'endRange'
}))
];
}
/** Returns the resolved formatting options based on the values passed to the constructor. */ resolvedOptions() {
let resolvedOptions = this.formatter.resolvedOptions();
if ($8f23a04ae90a588b$var$hasBuggyResolvedHourCycle()) {
if (!this.resolvedHourCycle) this.resolvedHourCycle = $8f23a04ae90a588b$var$getResolvedHourCycle(resolvedOptions.locale, this.options);
resolvedOptions.hourCycle = this.resolvedHourCycle;
resolvedOptions.hour12 = this.resolvedHourCycle === 'h11' || this.resolvedHourCycle === 'h12';
}
// Safari uses a different name for the Ethiopic (Amete Alem) calendar.
// https://bugs.webkit.org/show_bug.cgi?id=241564
if (resolvedOptions.calendar === 'ethiopic-amete-alem') resolvedOptions.calendar = 'ethioaa';
return resolvedOptions;
}
constructor(locale, options = {}){
this.formatter = $8f23a04ae90a588b$var$getCachedDateFormatter(locale, options);
this.options = options;
}
}
// There are multiple bugs involving the hour12 and hourCycle options in various browser engines.
// - Chrome [1] (and the ECMA 402 spec [2]) resolve hour12: false in English and other locales to h24 (24:00 - 23:59)
// rather than h23 (00:00 - 23:59). Same can happen with hour12: true in French, which Chrome resolves to h11 (00:00 - 11:59)
// rather than h12 (12:00 - 11:59).
// - WebKit returns an incorrect hourCycle resolved option in the French locale due to incorrect parsing of 'h' literal
// in the resolved pattern. It also formats incorrectly when specifying the hourCycle option for the same reason. [3]
// [1] https://bugs.chromium.org/p/chromium/issues/detail?id=1045791
// [2] https://github.com/tc39/ecma402/issues/402
// [3] https://bugs.webkit.org/show_bug.cgi?id=229313
// https://github.com/unicode-org/cldr/blob/018b55eff7ceb389c7e3fc44e2f657eae3b10b38/common/supplemental/supplementalData.xml#L4774-L4802
const $8f23a04ae90a588b$var$hour12Preferences = {
true: {
// Only Japanese uses the h11 style for 12 hour time. All others use h12.
ja: 'h11'
},
false: {
}
};
function $8f23a04ae90a588b$var$getCachedDateFormatter(locale, options = {}) {
// Work around buggy hour12 behavior in Chrome / ECMA 402 spec by using hourCycle instead.
// Only apply the workaround if the issue is detected, because the hourCycle option is buggy in Safari.
if (typeof options.hour12 === 'boolean' && $8f23a04ae90a588b$var$hasBuggyHour12Behavior()) {
options = {
...options
};
let pref = $8f23a04ae90a588b$var$hour12Preferences[String(options.hour12)][locale.split('-')[0]];
let defaultHourCycle = options.hour12 ? 'h12' : 'h23';
options.hourCycle = pref !== null && pref !== void 0 ? pref : defaultHourCycle;
delete options.hour12;
}
let cacheKey = locale + (options ? Object.entries(options).sort((a, b)=>a[0] < b[0] ? -1 : 1).join() : '');
if ($8f23a04ae90a588b$var$formatterCache.has(cacheKey)) return $8f23a04ae90a588b$var$formatterCache.get(cacheKey);
let numberFormatter = new Intl.DateTimeFormat(locale, options);
$8f23a04ae90a588b$var$formatterCache.set(cacheKey, numberFormatter);
return numberFormatter;
}
let $8f23a04ae90a588b$var$_hasBuggyHour12Behavior = null;
function $8f23a04ae90a588b$var$hasBuggyHour12Behavior() {
if ($8f23a04ae90a588b$var$_hasBuggyHour12Behavior == null) $8f23a04ae90a588b$var$_hasBuggyHour12Behavior = new Intl.DateTimeFormat('en-US', {
hour: 'numeric',
hour12: false
}).format(new Date(2020, 2, 3, 0)) === '24';
return $8f23a04ae90a588b$var$_hasBuggyHour12Behavior;
}
let $8f23a04ae90a588b$var$_hasBuggyResolvedHourCycle = null;
function $8f23a04ae90a588b$var$hasBuggyResolvedHourCycle() {
if ($8f23a04ae90a588b$var$_hasBuggyResolvedHourCycle == null) $8f23a04ae90a588b$var$_hasBuggyResolvedHourCycle = new Intl.DateTimeFormat('fr', {
hour: 'numeric',
hour12: false
}).resolvedOptions().hourCycle === 'h12';
return $8f23a04ae90a588b$var$_hasBuggyResolvedHourCycle;
}
function $8f23a04ae90a588b$var$getResolvedHourCycle(locale, options) {
if (!options.timeStyle && !options.hour) return undefined;
// Work around buggy results in resolved hourCycle and hour12 options in WebKit.
// Format the minimum possible hour and maximum possible hour in a day and parse the results.
locale = locale.replace(/(-u-)?-nu-[a-zA-Z0-9]+/, '');
locale += (locale.includes('-u-') ? '' : '-u') + '-nu-latn';
let formatter = $8f23a04ae90a588b$var$getCachedDateFormatter(locale, {
...options,
timeZone: undefined // use local timezone
});
let min = parseInt(formatter.formatToParts(new Date(2020, 2, 3, 0)).find((p)=>p.type === 'hour').value, 10);
let max = parseInt(formatter.formatToParts(new Date(2020, 2, 3, 23)).find((p)=>p.type === 'hour').value, 10);
if (min === 0 && max === 23) return 'h23';
if (min === 24 && max === 23) return 'h24';
if (min === 0 && max === 11) return 'h11';
if (min === 12 && max === 11) return 'h12';
throw new Error('Unexpected hour cycle result');
}
//# sourceMappingURL=DateFormatter.main.js.map
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