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