IntlayerでVite and Vueを翻訳する | 国際化（i18n）

npm install intlayer vue-intlayernpm install vite-intlayer --save-devnpx intlayer init

import { createApp } from "vue";import { intlayer } from "vue-intlayer";import App from "./App.vue";import "./style.css";const app = createApp(App);// 最上位でプロバイダーを注入app.use(intlayer);// アプリをマウントapp.mount("#app");

<script setup lang="ts">import { ref } from "vue";import { useIntlayer } from "vue-intlayer";defineProps({  msg: String,});const {  count,  edit,  checkOut,  officialStarter,  learnMore,  vueDocs,  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://vuejs.org/guide/quick-start.html#local" target="_blank"      >create-vue</a    >, <officialStarter />  </p>  <p>    <learnMore />    <a      href="https://vuejs.org/guide/scaling-up/tooling.html#ide-support"      target="_blank"      ><vueDocs /></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をグローバルなlocaleと同期させるwatch(  () => locale.value,  (newLocale) => {    selectedLocale.value = newLocale;  });</script>

<script setup lang="ts">import { useIntlayer } from "vue-intlayer";import HelloWorld from "@components/HelloWorld.vue";import LocaleSwitcher from "@components/LocaleSwitcher.vue";import { ref, watch } from "vue";const content = useIntlayer("app"); // 関連するintlayer宣言ファイルを作成</script><template>  <div>    <LocaleSwitcher />    <a href="https://vite.dev" target="_blank">      <img src="/vite.svg" class="logo" :alt="content.viteLogo" />    </a>    <a href="https://vuejs.org/" target="_blank">      <img src="./assets/vue.svg" class="logo vue" :alt="content.vueLogo" />    </a>  </div>  <HelloWorld :msg="content.title" /></template>

- https://example.com/about- https://example.com/es/about- https://example.com/fr/about

npm install vue-routernpx intlayer init

import {  localeFlatMap,  type Locale,} from 'intlayer';import { createIntlayerClient } from "vue-intlayer";import { createRouter, createWebHistory } from 'vue-router';import HomeView from './views/home/HomeView.vue';import RootView from './views/root/Root.vue';/** * ロケール固有のパスとメタデータを持つルートを宣言します。 */const routes = localeFlatMap(({ urlPrefix, locale }) => [  {    path: `${urlPrefix}/`,    name: `Root-${locale}`,    component: RootView,    meta: {      locale,    },  },  {    path: `${urlPrefix}/home`,    name: `Home-${locale}`,    component: HomeView,    meta: {      locale,    },  },]);// ルーターインスタンスを作成export const router = createRouter({  history: createWebHistory(),  routes,});// ロケール処理のためのナビゲーションガードを追加router.beforeEach((to, _from, next) => {  const client = createIntlayerClient();  const metaLocale = to.meta.locale as Locale;  // ルートのメタに定義されたロケールを再利用  client.setLocale(metaLocale);  next();});

import { createApp } from "vue";import App from "./App.vue";import { router } from "./router";import "./style.css";const app = createApp(App);// アプリにルーターを追加app.use(router);// アプリをマウントapp.mount("#app");

<script setup lang="ts">import LocaleSwitcher from "@components/LocaleSwitcher.vue";</script><template>  <nav>    <LocaleSwitcher />  </nav>  <RouterView /></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 { useRouter } from "vue-router";import { Locales, getLocaleName, getLocalizedUrl } from "intlayer";import { useLocale } from "vue-intlayer";// Vue Router を取得const router = useRouter();// ロケール情報と setLocale 関数を取得const { locale, availableLocales, setLocale } = useLocale({  onLocaleChange: (newLocale) => {    // 現在のルートを取得し、ローカライズされたURLを作成    const currentPath = router.currentRoute.value.fullPath;    const localizedPath = getLocalizedUrl(currentPath, newLocale);    // ページをリロードせずにローカライズされたルートへ遷移    router.push(localizedPath);  },});// 選択されたロケールを ref で追跡const selectedLocale = ref(locale.value);// 選択が変更されたときにロケールを更新するconst changeLocale = () => {  setLocale(selectedLocale.value);};// selectedLocaleをグローバルなロケールと同期させるwatch(  () => locale.value,  (newLocale) => {    selectedLocale.value = newLocale;  });</script>

<ol>  <li>    <a      hreflang="x-default"      aria-label="英語に切り替え"      target="_self"      aria-current="page"      href="/doc/get-started"    >      <div>        <span dir="ltr" lang="en">English</span>        <span>英語</span>        <span>EN</span>      </div>    </a>  </li>  <li>    <a      hreflang="es"      aria-label="スペイン語に切り替え"      target="_self"      href="/es/doc/get-started"    >      <div>        <span dir="ltr" lang="es">Español</span>        <span>スペイン語</span>        <span>ES</span>      </div>    </a>  </li></ol>

import { watch } from "vue";import { useLocale } from "vue-intlayer";import { getHTMLTextDir } from "intlayer";/** * 現在のロケールに基づいてHTMLの<html>要素の`lang`および`dir`属性を更新するComposable。 * * @example * // App.vueまたはグローバルコンポーネント内で * import { useI18nHTMLAttributes } from './composables/useI18nHTMLAttributes' * * useI18nHTMLAttributes() */export const useI18nHTMLAttributes = () => {  const { locale } = useLocale();  // ロケールが変更されるたびにHTML属性を更新する  watch(    () => locale.value,    (newLocale) => {      if (!newLocale) return;      // 言語属性を更新する      document.documentElement.lang = newLocale;      // テキストの方向を設定する（ほとんどの言語はltr、アラビア語やヘブライ語などはrtl）      document.documentElement.dir = getHTMLTextDir(newLocale);    },    { immediate: true }  );};

<script setup lang="ts">import { useI18nHTMLAttributes } from "@composables/useI18nHTMLAttributes";// 現在のロケールに基づいてHTML属性を適用するuseI18nHTMLAttributes();</script><template>  <!-- アプリのテンプレート --></template>

<template>  <a :href="localizedHref" v-bind="$attrs">    <slot />  </a></template><script setup lang="ts">import { computed } from "vue";import { getLocalizedUrl } from "intlayer";import { useLocale } from "vue-intlayer";const props = defineProps({  href: {    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.href || ""));// 内部リンク用のローカライズされたhrefを作成const localizedHref = computed(() =>  isExternalLink.value ? props.href : getLocalizedUrl(props.href, locale.value));</script>

<template>  <router-link :to="localizedTo" v-bind="$attrs">    <slot />  </router-link></template><script setup lang="ts">import { computed } from "vue";import { getLocalizedUrl } from "intlayer";import { useLocale } from "vue-intlayer";const props = defineProps({  to: {    type: [String, Object],    required: true,  },});const { locale } = useLocale();// router-link用のローカライズされたtoプロパティを作成const localizedTo = computed(() => {  if (typeof props.to === "string") {    return getLocalizedUrl(props.to, locale.value);  } else {    // 'to'がオブジェクトの場合は、pathプロパティをローカライズします    return {      ...props.to,      path: getLocalizedUrl(props.to.path ?? "/", locale.value),    };  }});</script>

<template>  <div>    <!-- Vueルーター -->    <RouterLink to="/">ルート</RouterLink>    <RouterLink to="/home">ホーム</RouterLink>    <!-- その他 -->    <Link href="/">ルート</Link>    <Link href="/home">ホーム</Link>  </div></template><script setup lang="ts">import Link from "@components/Link.vue";import RouterLink from "@components/RouterLink.vue";</script>

import MarkdownIt from "markdown-it";import { createApp, h } from "vue";import { installIntlayer, installIntlayerMarkdown } from "vue-intlayer";const app = createApp(App);app.use(intlayer);const md = new MarkdownIt({  html: true, // HTMLタグを許可  linkify: true, // URLを自動リンク化  typographer: true, // スマートクォートやダッシュなどを有効化});// IntlayerにmarkdownをHTMLに変換する際にmd.render()を使うよう指示installIntlayerMarkdown(app, (markdown) => {  const html = md.render(markdown);  return h("div", { innerHTML: html });});

<template>  <div>    <myMarkdownContent />  </div></template><script setup lang="ts">import { useIntlayer } from "vue-intlayer";const { myMarkdownContent } = useIntlayer("my-component");</script>

{  // ... 既存のTypeScript設定  "include": [    // ... 既存のTypeScript設定    ".intlayer/**/*.ts", // 自動生成された型定義を含める  ],}

#  Intlayerによって生成されたファイルを無視する.intlayer

import fs from "fs";import path from "path";import { fileURLToPath } from "url";import { generateSitemap, getMultilingualUrls } from "intlayer";const __dirname = path.dirname(fileURLToPath(import.meta.url));const SITE_URL = (process.env.SITE_URL || "http://localhost:5173").replace(  /\/$/,  "");const pathList = [  { path: "/", changefreq: "daily", priority: 1.0 },  { path: "/about", changefreq: "monthly", priority: 0.7 },];const sitemapXml = generateSitemap(pathList, { siteUrl: SITE_URL });fs.writeFileSync(path.join(__dirname, "public", "sitemap.xml"), sitemapXml);const getAllMultilingualUrls = (urls) =>  urls.flatMap((url) => Object.values(getMultilingualUrls(url)));const disallowedPaths = getAllMultilingualUrls(["/admin", "/private"]);const robotsTxt = [  "User-agent: *",  "Allow: /",  ...disallowedPaths.map((path) => `Disallow: ${path}`),  "",  `Sitemap: ${SITE_URL}/sitemap.xml`,].join("\n");fs.writeFileSync(path.join(__dirname, "public", "robots.txt"), robotsTxt);console.log("SEO files generated successfully.");

{  "scripts": {    "dev": "vite",    "prebuild": "node generate-seo.mjs",    "build": "vite build",    "preview": "vite preview"  }}