fix(i18n): fill missing locale translations (#100)

* fix(i18n): fill missing locale translations

* fix(i18n): keep interpolation keys

scripts/check-locales.js

@@ -0,0 +1,100 @@
+#!/usr/bin/env node
+
+const fs = require('node:fs')
+const path = require('node:path')
+
+const localesDir = path.join(__dirname, '..', 'src', 'renderer', 'src', 'locales')
+const baseLocaleFile = 'en.json'
+
+const readJson = (filePath) => {
+  try {
+    const raw = fs.readFileSync(filePath, 'utf8')
+    return JSON.parse(raw)
+  } catch (error) {
+    console.error(`ERROR: Failed to read ${filePath}`)
+    console.error(String(error))
+    process.exit(1)
+  }
+}
+
+const collectLeafKeys = (value, prefix = '', keys = new Set()) => {
+  if (value && typeof value === 'object' && !Array.isArray(value)) {
+    for (const [key, child] of Object.entries(value)) {
+      const next = prefix ? `${prefix}.${key}` : key
+      if (child && typeof child === 'object' && !Array.isArray(child)) {
+        collectLeafKeys(child, next, keys)
+      } else {
+        keys.add(next)
+      }
+    }
+    return keys
+  }
+
+  if (prefix) {
+    keys.add(prefix)
+  }
+
+  return keys
+}
+
+if (!fs.existsSync(localesDir)) {
+  console.error(`ERROR: Locales directory not found: ${localesDir}`)
+  process.exit(1)
+}
+
+const localeFiles = fs
+  .readdirSync(localesDir)
+  .filter((file) => file.endsWith('.json'))
+  .sort()
+
+if (!localeFiles.includes(baseLocaleFile)) {
+  console.error(`ERROR: Base locale file not found: ${baseLocaleFile}`)
+  process.exit(1)
+}
+
+const baseLocalePath = path.join(localesDir, baseLocaleFile)
+const baseLocaleData = readJson(baseLocalePath)
+const baseKeys = collectLeafKeys(baseLocaleData)
+
+let hasMissing = false
+let hasExtra = false
+
+for (const file of localeFiles) {
+  if (file === baseLocaleFile) {
+    continue
+  }
+
+  const localePath = path.join(localesDir, file)
+  const localeData = readJson(localePath)
+  const localeKeys = collectLeafKeys(localeData)
+
+  const missing = [...baseKeys].filter((key) => !localeKeys.has(key))
+  const extra = [...localeKeys].filter((key) => !baseKeys.has(key))
+
+  if (missing.length > 0) {
+    hasMissing = true
+    console.error(`ERROR: Missing keys in ${file}`)
+    for (const key of missing) {
+      console.error(`  - ${key}`)
+    }
+  }
+
+  if (extra.length > 0) {
+    hasExtra = true
+    console.warn(`WARN: Extra keys in ${file}`)
+    for (const key of extra) {
+      console.warn(`  - ${key}`)
+    }
+  }
+}
+
+if (hasMissing) {
+  process.exit(1)
+}
+
+if (hasExtra) {
+  console.log('INFO: No missing keys, but extra keys were found.')
+  process.exit(0)
+}
+
+console.log('OK: All locale files include every key from en.json.')