{"version":3,"file":"serverSideTranslations.cjs","names":["createConfig","createClient","path","unique"],"sources":["../../src/pagesRouter/serverSideTranslations.ts"],"sourcesContent":["import fs from 'fs'\nimport path from 'path'\nimport { createRequire } from 'module'\n\nimport { createConfig } from './config/createConfig'\nimport { applyServerSideConfig } from './config/serverSideConfig'\nimport createClient from './createClient/node'\n\nimport { UserConfig, SSRConfig } from './types'\nimport { getFallbackForLng, unique } from './utils'\nimport { Module, Namespace } from 'i18next'\n\nlet DEFAULT_CONFIG_PATH = './next-i18next.config.js'\n\n/**\n * One line expression like `const { I18NEXT_DEFAULT_CONFIG_PATH: DEFAULT_CONFIG_PATH = './next-i18next.config.js' } = process.env;`\n * is breaking the build, so keep it like this.\n *\n * @see https://github.com/i18next/next-i18next/pull/2084#issuecomment-1420511358\n */\nif (process.env.I18NEXT_DEFAULT_CONFIG_PATH) {\n DEFAULT_CONFIG_PATH = process.env.I18NEXT_DEFAULT_CONFIG_PATH\n}\n\ntype ArrayElementOrSelf = T extends ReadonlyArray ? U[] : T[]\n\nexport const serverSideTranslations = async (\n initialLocale: string,\n namespacesRequired:\n | ArrayElementOrSelf\n | string\n | string[]\n | undefined = undefined,\n configOverride: UserConfig | null = null,\n extraLocales: string[] | false = false\n): Promise => {\n if (typeof initialLocale !== 'string') {\n throw new Error(\n 'Initial locale argument was not passed into serverSideTranslations'\n )\n }\n\n let userConfig = configOverride\n const configPath = path.resolve(DEFAULT_CONFIG_PATH)\n\n if (!userConfig && fs.existsSync(configPath)) {\n // Use createRequire to prevent Turbopack/webpack from tracing this dynamic require.\n // Pass the absolute configPath itself as the base — works identically under CJS\n // and ESM output and avoids referencing __filename / import.meta.url.\n const nodeRequire = createRequire(configPath)\n userConfig = nodeRequire(configPath)\n }\n\n if (userConfig === null) {\n throw new Error(\n `next-i18next was unable to find a user config at ${configPath}`\n )\n }\n\n const config = createConfig(\n {\n ...userConfig,\n lng: initialLocale,\n },\n { applyServerSideConfig }\n )\n\n const {\n localeExtension,\n localePath,\n fallbackLng,\n reloadOnPrerender,\n } = config\n\n const { i18n, initPromise } = createClient({\n ...config,\n lng: initialLocale,\n })\n\n await initPromise\n\n const hasCustomBackend = userConfig?.use?.filter(Boolean).some(\n (b: Module) => b.type === 'backend'\n )\n if (hasCustomBackend && namespacesRequired) {\n await i18n.loadNamespaces(Array.isArray(namespacesRequired) ? (namespacesRequired as string[]) : (namespacesRequired as string))\n }\n\n const initialI18nStore: Record = {\n [initialLocale]: {},\n }\n\n getFallbackForLng(initialLocale, fallbackLng ?? false)\n .concat(extraLocales || [])\n .forEach((lng: string) => {\n initialI18nStore[lng] = {}\n })\n\n if (!Array.isArray(namespacesRequired)) {\n if (typeof localePath === 'function') {\n throw new Error(\n 'Must provide namespacesRequired to serverSideTranslations when using a function as localePath'\n )\n }\n\n const getLocaleNamespaces = (path: string) =>\n fs.existsSync(path)\n ? fs\n .readdirSync(path)\n .map(file => file.replace(`.${localeExtension}`, ''))\n : []\n\n const namespacesByLocale = Object.keys(initialI18nStore)\n .map(locale =>\n getLocaleNamespaces(\n path.resolve(process.cwd(), `${localePath}/${locale}`)\n )\n )\n .flat()\n\n namespacesRequired = unique(namespacesByLocale)\n }\n\n // Dev-only hot-reload: every backend (resources-to-backend, http, locize,\n // chained) refetches unconditionally with no dedup, so doing this in\n // production would hammer the source on every prerender call. 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