Intlayer と Nuxt で国際化（i18n）を始める

<script setup lang="ts">import { ref } from "vue";import { useIntlayer } from "vue-intlayer";defineProps({  msg: String,});const {  count,  edit,  checkOut,  nuxtIntlayer,  learnMore,  nuxtDocs,  readTheDocs,} = useIntlayer("helloworld");const countRef = ref(0);</script><template>  <h1>{{ msg }}</h1>  <div class="card">    <button type="button" @click="countRef++">      <count />      {{ countRef }}    </button>    <p v-html="edit"></p>  </div>  <p>    <checkOut />    <a href="https://nuxt.com/docs/getting-started/introduction" target="_blank"      >Nuxt</a    >, <nuxtIntlayer />  </p>  <p>    <learnMore />    <a href="https://nuxt.com" target="_blank"><nuxtDocs /></a>.  </p>  <p class="read-the-docs"><readTheDocs /></p>  <p class="read-the-docs">{{ readTheDocs }}</p></template>

<template>  <div class="locale-switcher">    <select v-model="selectedLocale" @change="changeLocale">      <option v-for="loc in availableLocales" :key="loc" :value="loc">        {{ getLocaleName(loc) }}      </option>    </select>  </div></template><script setup lang="ts">import { ref, watch } from "vue";import { getLocaleName } from "intlayer";import { useLocale } from "vue-intlayer";// ロケール情報と setLocale 関数を取得const { locale, availableLocales, setLocale } = useLocale();// ref で選択されたロケールを追跡const selectedLocale = ref(locale.value);// 選択が変更されたときにロケールを更新const changeLocale = () => setLocale(selectedLocale.value);// selectedLocale をグローバルロケールと同期させるwatch(  () => locale.value,(newLocale) => {  selectedLocale.value = newLocale;});</script></template><style scoped>.locale-switcher {  margin: 1rem 0;}select {  padding: 0.5rem;  border-radius: 0.25rem;  border: 1px solid #ccc;}</style>

<script setup lang="ts">import { useIntlayer } from "vue-intlayer";import LocaleSwitcher from "~/components/LocaleSwitcher.vue";const content = useIntlayer("app"); // 関連するintlayer宣言ファイルを作成</script><template>  <div>    <header>      <LocaleSwitcher />    </header>    <main>      <NuxtPage />    </main>  </div></template>

<script setup lang="ts">import { useIntlayer } from "vue-intlayer";const content = useIntlayer("about");</script><template>  <div>    <h1>{{ content.title }}</h1>    <p>{{ content.description }}</p>  </div></template>

<template>  <NuxtLink :to="localizedHref" v-bind="$attrs">    <slot />  </NuxtLink></template><script setup lang="ts">import { computed } from "vue";import { getLocalizedUrl } from "intlayer";import { useLocale } from "vue-intlayer";const props = defineProps({  to: {    type: String,    required: true,  },});const { locale } = useLocale();// リンクが外部リンクかどうかをチェックconst isExternalLink = computed(() => /^https?:\/\//.test(props.to || ""));// 内部リンクの場合はローカライズされたhrefを作成const localizedHref = computed(() =>  isExternalLink.value ? props.to : getLocalizedUrl(props.to, locale.value));</script>

<template>  <div>    <LocalizedLink to="/about">      {{ content.aboutLink }}    </LocalizedLink>    <LocalizedLink to="/contact">      {{ content.contactLink }}    </LocalizedLink>  </div></template><script setup lang="ts">import { useIntlayer } from "vue-intlayer";import LocalizedLink from "~/components/LocalizedLink.vue";const content = useIntlayer("home");</script>

<script setup lang="ts">import { useSeoMeta } from "nuxt/app";import { getIntlayer } from "intlayer";import { useLocale } from "vue-intlayer";const { locale } = useLocale();const content = getIntlayer("about-meta", locale.value);useSeoMeta({  title: content.title,  description: content.description,});</script><template>  <div>    <h1>{{ content.pageTitle }}</h1>    <p>{{ content.pageContent }}</p>  </div></template>