107 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
			
		
		
	
	
			107 lines
		
	
	
		
			4.1 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
	
	
// import { shouldPolyfill as shouldPolyfillCanonicalLocales } from '@formatjs/intl-getcanonicallocales/should-polyfill';
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// import { shouldPolyfill as shouldPolyfillLocale } from '@formatjs/intl-locale/should-polyfill';
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import { shouldPolyfill as shoudPolyfillPluralRules } from '@formatjs/intl-pluralrules/should-polyfill';
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// import { shouldPolyfill as shouldPolyfillNumberFormat } from '@formatjs/intl-numberformat/should-polyfill';
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// import { shouldPolyfill as shouldPolyfillIntlDateTimeFormat } from '@formatjs/intl-datetimeformat/should-polyfill';
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// import { shouldPolyfill as shouldPolyfillIntlRelativeTimeFormat } from '@formatjs/intl-relativetimeformat/should-polyfill';
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// async function loadGetCanonicalLocalesPolyfill() {
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//   // This platform already supports Intl.getCanonicalLocales
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//   if (shouldPolyfillCanonicalLocales()) {
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//     await import('@formatjs/intl-getcanonicallocales/polyfill');
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//   }
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// }
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// async function loadLocalePolyfill() {
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//   // This platform already supports Intl.Locale
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//   if (shouldPolyfillLocale()) {
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//     await import('@formatjs/intl-locale/polyfill');
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//   }
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// }
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// async function loadIntlNumberFormatPolyfill(locale: string) {
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//   const unsupportedLocale = shouldPolyfillNumberFormat(locale);
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//   // This locale is supported
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//   if (!unsupportedLocale) {
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//     return;
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//   }
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//   // Load the polyfill 1st BEFORE loading data
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//   await import('@formatjs/intl-numberformat/polyfill-force');
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//   await import(`@formatjs/intl-numberformat/locale-data/${unsupportedLocale}`);
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// }
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// async function loadIntlDateTimeFormatPolyfill(locale: string) {
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//   const unsupportedLocale = shouldPolyfillIntlDateTimeFormat(locale);
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//   // This locale is supported
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//   if (!unsupportedLocale) {
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//     return;
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//   }
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//   // Load the polyfill 1st BEFORE loading data
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//   await import('@formatjs/intl-datetimeformat/polyfill-force');
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//   // Parallelize CLDR data loading
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//   const dataPolyfills = [
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//     import('@formatjs/intl-datetimeformat/add-all-tz'),
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//     import(`@formatjs/intl-datetimeformat/locale-data/${unsupportedLocale}`),
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//   ];
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//   await Promise.all(dataPolyfills);
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// }
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async function loadIntlPluralRulesPolyfills(locale: string) {
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  const unsupportedLocale = shoudPolyfillPluralRules(locale);
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  // This locale is supported
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  if (!unsupportedLocale) {
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    return;
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  }
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  // Load the polyfill 1st BEFORE loading data
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  await import(
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    /* webpackChunkName: "i18n-pluralrules-polyfill" */ '@formatjs/intl-pluralrules/polyfill-force'
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  );
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  await import(
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    /* webpackChunkName: "i18n-pluralrules-polyfill-[request]" */ `@formatjs/intl-pluralrules/locale-data/${unsupportedLocale}`
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  );
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}
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// async function loadIntlRelativeTimeFormatPolyfill(locale: string) {
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//   const unsupportedLocale = shouldPolyfillIntlRelativeTimeFormat(locale);
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//   // This locale is supported
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//   if (!unsupportedLocale) {
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//     return;
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//   }
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//   // Load the polyfill 1st BEFORE loading data
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//   await import(
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//     /* webpackChunkName: "i18n-relativetimeformat-polyfill" */
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//     '@formatjs/intl-relativetimeformat/polyfill-force'
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//   );
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//   await import(
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//     /* webpackChunkName: "i18n-relativetimeformat-polyfill-[request]" */
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//     `@formatjs/intl-relativetimeformat/locale-data/${unsupportedLocale}`
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//   );
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// }
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export async function loadIntlPolyfills() {
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  // eslint-disable-next-line @typescript-eslint/prefer-nullish-coalescing -- we want to match empty strings
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  const locale = document.querySelector('html')?.lang || 'en';
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  // order is important here
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  // Supported in IE11 and most other browsers, not useful
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  // await loadGetCanonicalLocalesPolyfill()
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  // Supported in IE11 and most other browsers, not useful
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  // await loadLocalePolyfill()
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  // Supported in IE11 and most other browsers, not useful
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  // await loadIntlNumberFormatPolyfill(locale)
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  // Supported in IE11 and most other browsers, not useful
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  // await loadIntlDateTimeFormatPolyfill(locale)
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  // Supported from Safari 13+, may still be useful
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  await loadIntlPluralRulesPolyfills(locale);
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  // This is not used yet in the codebase yet
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  // Supported from Safari 14+
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  // await loadIntlRelativeTimeFormatPolyfill(locale);
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}
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