mirror of
https://github.com/elyby/accounts-frontend.git
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104 lines
3.2 KiB
TypeScript
104 lines
3.2 KiB
TypeScript
import logger from 'app/services/logger';
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const needs = {
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intl: !window.Intl,
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plural: !window?.Intl?.PluralRules,
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// @ts-ignore ts has a little bit outdated definitions
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relative: !window?.Intl?.RelativeTimeFormat,
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};
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/**
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* All modern browsers currently do support all required Intl APIs,
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* for the outdated browsers we will polyfill this api on demand
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*/
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async function polyfill(locale: string): Promise<void> {
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const promises: Promise<void>[] = [];
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if (!needs.intl && Intl.DateTimeFormat.supportedLocalesOf([locale]).length === 0) {
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// fallback to polyfill in case, when browser does not support locale we need
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needs.intl = true;
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needs.plural = true;
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needs.relative = true;
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}
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if (needs.intl) {
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promises.push(polyfillIntl(locale));
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} else {
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if (needs.plural) {
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promises.push(polyfillPlural(locale));
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}
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if (needs.relative) {
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promises.push(polyfillRelative(locale));
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}
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}
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try {
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await Promise.all(promises);
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} catch (error) {
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logger.warn('Error loading intl polyfills', {
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error,
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});
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}
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}
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async function polyfillIntl(locale: string): Promise<void> {
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// do not rely on tests provided by polyfill implementation
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// forcibly apply polyfill, because if this function was called
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// this means that browser does not support some of locales
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const { default: Intl } = await import(
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/* webpackChunkName: "intl" */
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'intl'
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);
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// resolve issue with RegExp errors
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// @see https://github.com/mattlewis92/angular-calendar/issues/274
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// @see https://github.com/mattlewis92/angular-calendar/issues/274
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// @ts-expect-error
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Intl.__disableRegExpRestore();
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window.Intl = Intl;
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// MUST be loaded in series with the main polyfill
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await Promise.all([
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import(
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// WARNING: .js extension is required for proper function of ContextReplacementPlugin
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/* webpackChunkName: "intl-[request]" */
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`intl/locale-data/jsonp/${locale}.js`
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),
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polyfillPlural(locale),
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polyfillRelative(locale),
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]);
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}
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async function polyfillPlural(locale: string): Promise<void> {
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await import(
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/* webpackChunkName: "intl-pluralrules" */
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'@formatjs/intl-pluralrules/polyfill'
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);
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// MUST be loaded in series with the main polyfill
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await import(
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// WARNING: .js extension is required for proper function of ContextReplacementPlugin
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/* webpackChunkName: "intl-pluralrules-[request]" */
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`@formatjs/intl-pluralrules/dist/locale-data/${locale}.js`
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);
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}
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async function polyfillRelative(locale: string): Promise<void> {
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await import(
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/* webpackChunkName: "intl-relativetimeformat" */
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'@formatjs/intl-relativetimeformat/polyfill'
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);
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// MUST be loaded in series with the main polyfill
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await import(
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// WARNING: .js extension is required for proper function of ContextReplacementPlugin
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/* webpackChunkName: "intl-relativetimeformat-[request]" */
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`@formatjs/intl-relativetimeformat/dist/locale-data/${locale}.js`
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);
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}
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export default polyfill;
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