vue-router-tab/demo/components/layout/LangCustom.vue

<template>
  <main class="app-main">
    <router-tab :i18n="customLanguage" />
  </main>
</template>

<script>
export default {
  name: 'LangCustom',
  data () {
    return {
      customLanguage: {
        tab: {
          untitled: 'Untitled Page'
        },
        contextmenu: {
          refresh: 'Refresh This',
          refreshAll: 'Refresh All',
          close: 'Close This',
          closeLefts: 'Close to the Left',
          closeRights: 'Close to the Right',
          closeOthers: 'Close Others'
        },
        msg: {
          keepOneTab: 'Keep at least 1 tab'
        }
      }
    }
  }
}
</script>