jan/scripts/find-missing-translations.js
2025-06-26 22:17:47 +07:00

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/**
* Script to find missing translations in locale files for Jan
*
* Usage:
* node scripts/find-missing-translations.js [options]
*
* Options:
* --locale=<locale> Only check a specific locale (e.g. --locale=id)
* --file=<file> Only check a specific file (e.g. --file=common.json)
* --help Show this help message
*/
const fs = require('fs')
const path = require('path')
// Process command line arguments
const args = process.argv.slice(2).reduce((acc, arg) => {
if (arg === '--help') {
acc.help = true
} else if (arg.startsWith('--locale=')) {
acc.locale = arg.split('=')[1]
} else if (arg.startsWith('--file=')) {
acc.file = arg.split('=')[1]
}
return acc
}, {})
// Show help if requested
if (args.help) {
console.log(`
Find Missing Translations for Jan
A utility script to identify missing translations across locale files.
Compares non-English locale files to the English ones to find any missing keys.
Usage:
node scripts/find-missing-translations.js [options]
Options:
--locale=<locale> Only check a specific locale (e.g. --locale=id)
--file=<file> Only check a specific file (e.g. --file=common.json)
--help Show this help message
Output:
- Generates a report of missing translations for the web-app
`)
process.exit(0)
}
// Path to the locales directory
const LOCALES_DIR = path.join(__dirname, '../web-app/src/locales')
// Recursively find all keys in an object
function findKeys(obj, parentKey = '') {
let keys = []
for (const [key, value] of Object.entries(obj)) {
const currentKey = parentKey ? `${parentKey}.${key}` : key
if (typeof value === 'object' && value !== null) {
// If value is an object, recurse
keys = [...keys, ...findKeys(value, currentKey)]
} else {
// If value is a primitive, add the key
keys.push(currentKey)
}
}
return keys
}
// Get value at a dotted path in an object
function getValueAtPath(obj, path) {
const parts = path.split('.')
let current = obj
for (const part of parts) {
if (current === undefined || current === null) {
return undefined
}
current = current[part]
}
return current
}
// Function to check translations
function checkTranslations() {
// Get all locale directories (or filter to the specified locale)
const allLocales = fs.readdirSync(LOCALES_DIR).filter((item) => {
const stats = fs.statSync(path.join(LOCALES_DIR, item))
return stats.isDirectory() && item !== 'en' // Exclude English as it's our source
})
// Filter to the specified locale if provided
const locales = args.locale
? allLocales.filter((locale) => locale === args.locale)
: allLocales
if (args.locale && locales.length === 0) {
console.error(`Error: Locale '${args.locale}' not found in ${LOCALES_DIR}`)
process.exit(1)
}
console.log(
`Checking ${locales.length} non-English locale(s): ${locales.join(', ')}`
)
// Get all English JSON files
const englishDir = path.join(LOCALES_DIR, 'en')
let englishFiles = fs
.readdirSync(englishDir)
.filter((file) => file.endsWith('.json') && !file.startsWith('.'))
// Filter to the specified file if provided
if (args.file) {
if (!englishFiles.includes(args.file)) {
console.error(`Error: File '${args.file}' not found in ${englishDir}`)
process.exit(1)
}
englishFiles = englishFiles.filter((file) => file === args.file)
}
// Load file contents
let englishFileContents
try {
englishFileContents = englishFiles.map((file) => ({
name: file,
content: JSON.parse(fs.readFileSync(path.join(englishDir, file), 'utf8')),
}))
} catch (e) {
console.error(`Error: File '${englishDir}' is not a valid JSON file`)
process.exit(1)
}
console.log(
`Checking ${
englishFileContents.length
} translation file(s): ${englishFileContents.map((f) => f.name).join(', ')}`
)
// Results object to store missing translations
const missingTranslations = {}
// For each locale, check for missing translations
for (const locale of locales) {
missingTranslations[locale] = {}
for (const { name, content: englishContent } of englishFileContents) {
const localeFilePath = path.join(LOCALES_DIR, locale, name)
// Check if the file exists in the locale
if (!fs.existsSync(localeFilePath)) {
missingTranslations[locale][name] = { file: 'File is missing entirely' }
continue
}
// Load the locale file
let localeContent
try {
localeContent = JSON.parse(fs.readFileSync(localeFilePath, 'utf8'))
} catch (e) {
console.error(
`Error: File '${localeFilePath}' is not a valid JSON file`
)
process.exit(1)
}
// Find all keys in the English file
const englishKeys = findKeys(englishContent)
// Check for missing keys in the locale file
const missingKeys = []
for (const key of englishKeys) {
const englishValue = getValueAtPath(englishContent, key)
const localeValue = getValueAtPath(localeContent, key)
if (localeValue === undefined) {
missingKeys.push({
key,
englishValue,
})
}
}
if (missingKeys.length > 0) {
missingTranslations[locale][name] = missingKeys
}
}
}
return outputResults(missingTranslations)
}
// Function to output results
function outputResults(missingTranslations) {
let hasMissingTranslations = false
console.log(`\nMissing Translations Report:\n`)
for (const [locale, files] of Object.entries(missingTranslations)) {
if (Object.keys(files).length === 0) {
console.log(`${locale}: No missing translations`)
continue
}
hasMissingTranslations = true
console.log(`📝 ${locale}:`)
for (const [fileName, missingItems] of Object.entries(files)) {
if (missingItems.file) {
console.log(` - ${fileName}: ${missingItems.file}`)
continue
}
console.log(
` - ${fileName}: ${missingItems.length} missing translations`
)
for (const { key, englishValue } of missingItems) {
console.log(` ${key}: "${englishValue}"`)
}
}
console.log('')
}
return hasMissingTranslations
}
// Main function to find missing translations
function findMissingTranslations() {
try {
console.log('Starting translation check for Jan web-app...')
const hasMissingTranslations = checkTranslations()
// Summary
if (!hasMissingTranslations) {
console.log('\n✅ All translations are complete!')
} else {
console.log('\n✏ To add missing translations:')
console.log('1. Add the missing keys to the corresponding locale files')
console.log('2. Translate the English values to the appropriate language')
console.log(
'3. You can use yq commands to update JSON files efficiently:'
)
console.log(
' yq -i \'.namespace.key = "Translation"\' web-app/src/locales/<locale>/<file>.json'
)
console.log(
'4. Run this script again to verify all translations are complete'
)
// Exit with error code to fail CI checks
process.exit(1)
}
} catch (error) {
console.error('Error:', error.message)
console.error(error.stack)
process.exit(1)
}
}
// Run the main function
findMissingTranslations()