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metamask-extension/ui/i18n-helper.js

43 lines
1.1 KiB
JavaScript

// cross-browser connection to extension i18n API
const log = require('loglevel')
const getMessage = (locale, key, substitutions) => {
// check locale is loaded
if (!locale) {
// throw new Error('Translator - has not loaded a locale yet.')
return ''
}
// check entry is present
const { current, en } = locale
const entry = current[key] || en[key]
if (!entry) {
log.error(`Translator - Unable to find value for "${key}"`)
// throw new Error(`Translator - Unable to find value for "${key}"`)
}
let phrase = entry.message
// perform substitutions
if (substitutions && substitutions.length) {
phrase = phrase.replace(/\$1/g, substitutions[0])
if (substitutions.length > 1) {
phrase = phrase.replace(/\$2/g, substitutions[1])
}
}
return phrase
}
async function fetchLocale (localeName) {
try {
const response = await fetch(`./_locales/${localeName}/messages.json`)
const locale = await response.json()
return locale
} catch (error) {
log.error(`failed to fetch ${localeName} locale because of ${error}`)
return {}
}
}
module.exports = {
getMessage,
fetchLocale,
}