fix: do not fetch from server route if ssr is disabled (#3646)

Author: BobbieGoede

src/bundler.ts

@@ -124,6 +124,7 @@ export function getDefineConfig({ options, fullStatic }: I18nNuxtContext, server
   const common = {
     __DEBUG__: String(!!options.debug),
     __TEST__: String(!!options.debug),
+    __IS_SSR__: String(nuxt.options.ssr),
     __IS_SSG__: String(nuxt.options._generate),
     __PARALLEL_PLUGIN__: String(options.parallelPlugin),
     __DYNAMIC_PARAMS_KEY__: JSON.stringify(DYNAMIC_PARAMS_KEY),

src/env.d.ts

@@ -8,6 +8,7 @@ declare let __DEBUG__: boolean
 declare let __TEST__: boolean
 
 declare let __IS_SSG__: boolean
+declare let __IS_SSR__: boolean
 declare let __TRAILING_SLASH__: boolean
 declare let __PARALLEL_PLUGIN__: boolean
 declare let __DIFFERENT_DOMAINS__: boolean

src/runtime/context.ts

@@ -73,7 +73,7 @@ export function createNuxtI18nContext(nuxt: NuxtApp, _i18n: I18n, defaultLocale:
   const detectBrowserLanguage = runtimeI18n.detectBrowserLanguage || {}
   const localeCookie = createI18nCookie(detectBrowserLanguage)
 
-  const dynamicResourcesSSG = !__I18N_FULL_STATIC__ && (import.meta.prerender || __IS_SSG__)
+  const dynamicResourcesSSG = !__IS_SSR__ || (!__I18N_FULL_STATIC__ && (import.meta.prerender || __IS_SSG__))
   /** Get computed config for locale */
   const getLocaleConfig = (locale: string) => serverLocaleConfigs.value[locale]
   const getDomainFromLocale = createDomainFromLocaleGetter()