kopia lustrzana https://github.com/nolanlawson/pinafore
31 wiersze
1.2 KiB
JavaScript
31 wiersze
1.2 KiB
JavaScript
import { polyfillCountryFlagEmojis } from 'country-flag-emoji-polyfill'
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import { store } from '../store.js'
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let polyfilled = false
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const COUNTRY_FLAG_FONT_URL = '/TwemojiCountryFlags.woff2'
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export function countryFlagEmojiPolyfill () {
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if (!polyfilled) {
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polyfilled = true
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const numStylesBefore = document.head.querySelectorAll('style').length
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polyfillCountryFlagEmojis('Twemoji Mozilla', COUNTRY_FLAG_FONT_URL)
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const numStylesAfter = document.head.querySelectorAll('style').length
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// if a style was added, then the polyfill was activated
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const polyfillActivated = numStylesAfter !== numStylesBefore
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if (polyfillActivated) {
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const style = document.createElement('style')
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style.textContent = `
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@font-face {
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font-family: CountryFlagEmojiPolyfill;
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src: url(${JSON.stringify(COUNTRY_FLAG_FONT_URL)});
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}
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`
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document.head.appendChild(style)
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// "Twemoji Mozilla" is for emoji-picker-element, since it lists that font first.
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// "CountryFlagEmojiPolyfill" is for us so we can set it before everything else in our own font family lists.
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}
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store.set({ polyfilledCountryFlagEmoji: polyfillActivated })
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}
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}
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