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metamask-extension/app/scripts/lib/get-first-preferred-lang-code.js
2018-03-27 10:37:45 -02:30

18 lines
584 B
JavaScript

const fs = require('fs')
const path = require('path')
const extension = require('extensionizer')
const promisify = require('pify')
const existingLocaleCodes = fs.readdirSync(path.join(__dirname, '..', '..', '_locales'))
async function getFirstPreferredLangCode () {
const userPreferredLocaleCodes = await promisify(
extension.i18n.getAcceptLanguages,
{ errorFirst: false }
)()
const firstPreferredLangCode = userPreferredLocaleCodes.find(code => existingLocaleCodes.includes(code))
return firstPreferredLangCode || 'en'
}
module.exports = getFirstPreferredLangCode