Merge remote-tracking branch 'origin/master'

ui/src/composables/useI18n.js

@@ -0,0 +1,42 @@
+import { computed } from 'vue'
+
+import { messages } from 'src/i18n/messages'
+import { DEFAULT_LOCALE } from 'src/i18n/languages'
+import { useLocaleStore } from 'src/stores/localeStore'
+
+function lookup(obj, path) {
+  return String(path || '')
+    .split('.')
+    .filter(Boolean)
+    .reduce((acc, key) => (acc && acc[key] != null ? acc[key] : undefined), obj)
+}
+
+export function useI18n() {
+  const localeStore = useLocaleStore()
+
+  const currentLocale = computed(() => localeStore.locale)
+
+  function fallbackLocales(locale) {
+    const normalized = String(locale || '').toLowerCase()
+    if (normalized === 'tr') return ['tr']
+    if (normalized === 'en') return ['en', 'tr']
+    return [normalized, 'en', 'tr']
+  }
+
+  function t(key) {
+    for (const locale of fallbackLocales(currentLocale.value)) {
+      const val = lookup(messages[locale] || {}, key)
+      if (val != null) return val
+    }
+
+    const byDefault = lookup(messages[DEFAULT_LOCALE] || {}, key)
+    if (byDefault != null) return byDefault
+
+    return key
+  }
+
+  return {
+    locale: currentLocale,
+    t
+  }
+}