mirror of
https://github.com/kremalicious/metamask-extension.git
synced 2024-12-23 09:52:26 +01:00
e3ecc94a52
fix for brave
29 lines
1.1 KiB
JavaScript
29 lines
1.1 KiB
JavaScript
const extension = require('extensionizer')
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const promisify = require('pify')
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const allLocales = require('../../_locales/index.json')
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const isSupported = extension.i18n && extension.i18n.getAcceptLanguages
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const getPreferredLocales = isSupported ? promisify(
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extension.i18n.getAcceptLanguages,
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{ errorFirst: false }
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) : async () => []
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const existingLocaleCodes = allLocales.map(locale => locale.code.toLowerCase().replace('_', '-'))
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/**
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* Returns a preferred language code, based on settings within the user's browser. If we have no translations for the
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* users preferred locales, 'en' is returned.
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*
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* @returns {Promise<string>} Promises a locale code, either one from the user's preferred list that we have a translation for, or 'en'
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*
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*/
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async function getFirstPreferredLangCode () {
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const userPreferredLocaleCodes = await getPreferredLocales()
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const firstPreferredLangCode = userPreferredLocaleCodes
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.map(code => code.toLowerCase())
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.find(code => existingLocaleCodes.includes(code))
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return firstPreferredLangCode || 'en'
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}
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module.exports = getFirstPreferredLangCode
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