You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
43 lines
1.1 KiB
43 lines
1.1 KiB
// cross-browser connection to extension i18n API
|
|
const extension = require('extensionizer')
|
|
const log = require('loglevel')
|
|
|
|
|
|
class Translator {
|
|
|
|
async setLocale(localeName) {
|
|
this.localeName = localeName
|
|
this.locale = await fetchLocale(localeName)
|
|
}
|
|
|
|
getMessage (key, substitutions) {
|
|
// check locale is loaded
|
|
if (!this.locale) {
|
|
throw new Error('Translator - has not loaded a locale yet')
|
|
}
|
|
// check entry is present
|
|
const entry = this.locale[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) {
|
|
const response = await fetch(`/_locales/${localeName}/messages.json`)
|
|
const locale = await response.json()
|
|
return locale
|
|
}
|
|
|
|
module.exports = Translator
|
|
|