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refactor(i18n): isolate Vue I18n instances per request for SSR

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Replace global I18n singleton with a factory function
Inject request-specific I18n instances into Nuxt app and SEO metadata
Prevent cross-request locale state pollution during server-side rendering
This commit is contained in:
xiaomai
2026-05-06 10:10:07 +08:00
parent 337a6bda1f
commit cf1eb6965e
6 changed files with 86 additions and 27 deletions
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7
frontend/plugins/02-seo.ts
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@@ -1,11 +1,13 @@
import { computed, ref } from 'vue';
import { onLocaleChange } from '../src/i18n';
import { applyRouteSeo, onSeoChange, resolveRouteSeo, type ResolvedSeoConfig } from '../src/seo';
import { applyRouteSeo, onSeoChange, resolveRouteSeo, setSeoTranslator, type ResolvedSeoConfig } from '../src/seo';
export default defineNuxtPlugin(() => {
const router = useRouter();
const nuxtApp = useNuxtApp();
const t = (nuxtApp.$pokopiaI18n as { global: { t: (key: string, values?: Record<string, string | number>) => string } }).global.t;
const dynamicSeo = ref<ResolvedSeoConfig | null>(null);
const activeSeo = computed(() => dynamicSeo.value ?? resolveRouteSeo(router.currentRoute.value));
const activeSeo = computed(() => dynamicSeo.value ?? resolveRouteSeo(router.currentRoute.value, t));
useHead(() => ({
title: activeSeo.value.title,
@@ -42,6 +44,7 @@ export default defineNuxtPlugin(() => {
return;
}
setSeoTranslator(t);
onSeoChange((seo) => {
dynamicSeo.value = seo;
});