feat(localization): add localization for static strings

i18n/i18n.js

@@ -0,0 +1,46 @@
+const fs = require('fs')
+const path = require('path')
+
+let translations = null
+// Initializes translation dictionary with contents from /public/locales
+module.exports.initializeTranslations = () => {
+  if (translations) {
+    return
+  }
+
+  translations = {}
+
+  const localesPath = path.join(__dirname, '..', 'public', 'locales')
+
+  try {
+    const files = fs.readdirSync(localesPath)
+
+    files.forEach((file) => {
+      const localeDict = require(path.join(localesPath, file))
+      translations[file.replace('.json', '')] = localeDict
+    })
+  } catch (error) {
+    console.error('Error loading localization files:')
+    console.error(error)
+  }
+}
+
+/**
+ * Translate a static string
+ * @param symbol string Identifier for static text
+ * @param locale string Locale code
+ *
+ * @returns string
+ */
+module.exports.translate = (symbol, locale = 'en-US') => {
+  const localeDict = translations[locale]
+  if (!localeDict) {
+    return `Localization file for ${locale} is not available`
+  }
+  const translatedValue = localeDict[symbol]
+  if (!translatedValue) {
+    return `Translation not found for ${symbol} in ${locale}`
+  }
+
+  return translatedValue
+}