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109 lines
3.6 KiB
109 lines
3.6 KiB
// cross-browser connection to extension i18n API
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import React from 'react'
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import log from 'loglevel'
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import * as Sentry from '@sentry/browser'
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const warned = {}
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const missingMessageErrors = {}
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const missingSubstitutionErrors = {}
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/**
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* Returns a localized message for the given key
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* @param {string} localeCode - The code for the current locale
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* @param {Object} localeMessages - The map of messages for the current locale
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* @param {string} key - The message key
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* @param {string[]} substitutions - A list of message substitution replacements
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* @returns {null|string} - The localized message
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*/
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export const getMessage = (localeCode, localeMessages, key, substitutions) => {
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if (!localeMessages) {
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return null
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}
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if (!localeMessages[key]) {
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if (localeCode === 'en') {
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if (!missingMessageErrors[key]) {
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missingMessageErrors[key] = new Error(`Unable to find value of key "${key}" for locale "${localeCode}"`)
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Sentry.captureException(missingMessageErrors[key])
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log.error(missingMessageErrors[key])
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if (process.env.IN_TEST === 'true') {
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throw missingMessageErrors[key]
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}
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}
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} else if (!warned[localeCode] || !warned[localeCode][key]) {
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if (!warned[localeCode]) {
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warned[localeCode] = {}
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}
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warned[localeCode][key] = true
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log.warn(`Translator - Unable to find value of key "${key}" for locale "${localeCode}"`)
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}
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return null
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}
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const entry = localeMessages[key]
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let phrase = entry.message
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const hasSubstitutions = Boolean(substitutions && substitutions.length)
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const hasReactSubstitutions = hasSubstitutions &&
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substitutions.some((element) => element !== null && (typeof element === 'function' || typeof element === 'object'))
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// perform substitutions
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if (hasSubstitutions) {
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const parts = phrase.split(/(\$\d)/g)
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const substitutedParts = parts.map((part) => {
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const subMatch = part.match(/\$(\d)/)
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if (!subMatch) {
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return part
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}
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const substituteIndex = Number(subMatch[1]) - 1
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if (
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(substitutions[substituteIndex] === null || substitutions[substituteIndex] === undefined) &&
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!missingSubstitutionErrors[localeCode]?.[key]
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) {
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if (!missingSubstitutionErrors[localeCode]) {
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missingSubstitutionErrors[localeCode] = {}
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}
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missingSubstitutionErrors[localeCode][key] = true
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const error = new Error(`Insufficient number of substitutions for message: '${phrase}'`)
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log.error(error)
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Sentry.captureException(error)
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}
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return substitutions[substituteIndex]
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})
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phrase = hasReactSubstitutions
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? <span> { substitutedParts } </span>
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: substitutedParts.join('')
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}
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return phrase
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}
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export async function fetchLocale (localeCode) {
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try {
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const response = await window.fetch(`./_locales/${localeCode}/messages.json`)
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return await response.json()
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} catch (error) {
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log.error(`failed to fetch ${localeCode} locale because of ${error}`)
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return {}
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}
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}
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const relativeTimeFormatLocaleData = new Set()
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export async function loadRelativeTimeFormatLocaleData (localeCode) {
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const languageTag = localeCode.split('_')[0]
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if (
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Intl.RelativeTimeFormat &&
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typeof Intl.RelativeTimeFormat.__addLocaleData === 'function' &&
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!relativeTimeFormatLocaleData.has(languageTag)
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) {
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const localeData = await fetchRelativeTimeFormatData(languageTag)
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Intl.RelativeTimeFormat.__addLocaleData(localeData)
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}
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}
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async function fetchRelativeTimeFormatData (languageTag) {
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const response = await window.fetch(`./intl/${languageTag}/relative-time-format-data.json`)
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return await response.json()
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}
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