pinafore/src/routes/_utils/polyfills/loadPolyfills.js

34 lines
1.1 KiB
JavaScript

import {
importDynamicViewportUnitsPolyfill,
importIntlListFormat,
importIntlLocale, importIntlPluralRules, importIntlRelativeTimeFormat,
importRequestIdleCallback
} from './asyncPolyfills.js'
import { mark, stop } from '../marks.js'
async function loadIntlPolyfillsIfNecessary () {
// Have to chain these so that they load in the proper order.
// Luckily these requests aren't done in serial, because we're using the same Webpack
// chunk name for each one.
if (typeof Intl.Locale !== 'function') {
await importIntlLocale()
}
if (typeof Intl.PluralRules !== 'function') {
await importIntlPluralRules()
}
await Promise.all([
typeof Intl.RelativeTimeFormat !== 'function' && importIntlRelativeTimeFormat(),
typeof Intl.ListFormat !== 'function' && importIntlListFormat()
])
}
export async function loadPolyfills () {
mark('loadPolyfills')
await Promise.all([
typeof requestIdleCallback !== 'function' && importRequestIdleCallback(),
loadIntlPolyfillsIfNecessary(),
!CSS.supports('height: 1dvh') && importDynamicViewportUnitsPolyfill()
])
stop('loadPolyfills')
}