react-intlayer/dist/cjs/client/getBrowserLocale.cjs.map

Easily internationalize i18n your React applications with type-safe multilingual content management.

{"version":3,"sources":["../../../src/client/getBrowserLocale.tsx"],"sourcesContent":["import configuration from '@intlayer/config/built';\nimport { Locales } from '@intlayer/config/client';\n\nexport enum LanguageDetector {\n  Querystring = 'querystring',\n  Cookie = 'cookie',\n  LocalStorage = 'localStorage',\n  SessionStorage = 'sessionStorage',\n  Navigator = 'navigator',\n  HtmlTag = 'htmlTag',\n}\n\n// Default settings for the language detector\ntype LanguageDetectorOptions = {\n  order?: LanguageDetector[];\n  lookupQuerystring?: string;\n  lookupCookie?: string;\n  lookupLocalStorage?: string;\n  lookupSessionStorage?: string;\n  excludeCacheFor?: string[];\n  htmlTag?: HTMLElement | null;\n};\n\nconst getDefaultsOptions = (): LanguageDetectorOptions => {\n  const { middleware } = configuration;\n\n  return {\n    order: [\n      LanguageDetector.Querystring,\n      LanguageDetector.Cookie,\n      LanguageDetector.Navigator,\n      LanguageDetector.HtmlTag,\n    ],\n    lookupQuerystring: 'locale',\n    lookupCookie: middleware?.cookieName,\n    htmlTag: document.documentElement,\n  };\n};\n\n// Helper functions for various checks and operations\nconst isLocalStorageAvailable = (): boolean => {\n  try {\n    if (typeof window === 'undefined') return false;\n    const testKey = 'intlayer.translate.boo';\n    window.localStorage.setItem(testKey, 'foo');\n    window.localStorage.removeItem(testKey);\n    return true;\n  } catch {\n    return false;\n  }\n};\n\nconst isSessionStorageAvailable = (): boolean => {\n  try {\n    if (typeof window === 'undefined') return false;\n    const testKey = 'intlayer.translate.boo';\n    window.sessionStorage.setItem(testKey, 'foo');\n    window.sessionStorage.removeItem(testKey);\n    return true;\n  } catch {\n    return false;\n  }\n};\n\n// Function to detect language using different detectors\nconst detectLanguage = (\n  order: string[],\n  options: LanguageDetectorOptions\n): Record<LanguageDetector, Locales | Locales[]> => {\n  const detected: Record<LanguageDetector, Locales | Locales[]> = {} as Record<\n    LanguageDetector,\n    Locales | Locales[]\n  >;\n\n  const queryStringDetector = () => {\n    if (typeof window === 'undefined') return;\n    const search = window.location.search || '';\n    const params = new URLSearchParams(search);\n    const value = params.get(options.lookupQuerystring ?? '');\n    if (value) {\n      detected[LanguageDetector.Querystring] = value as Locales;\n    }\n  };\n\n  const cookieDetector = () => {\n    if (typeof document === 'undefined') return;\n    const cookies = document.cookie.split(';');\n    const cookieName = `${options.lookupCookie ?? ''}=`;\n    const cookie = cookies.find((c) => c.trim().startsWith(cookieName));\n    if (cookie) {\n      const value = cookie.split('=')[1].trim();\n\n      detected[LanguageDetector.Cookie] = value as Locales;\n    }\n  };\n\n  const localStorageDetector = () => {\n    if (!isLocalStorageAvailable()) return;\n    const value = window.localStorage.getItem(options.lookupLocalStorage ?? '');\n    if (value) {\n      detected[LanguageDetector.LocalStorage] = value as Locales;\n    }\n  };\n\n  const sessionStorageDetector = () => {\n    if (!isSessionStorageAvailable()) return;\n    const value = window.sessionStorage.getItem(\n      options.lookupSessionStorage ?? ''\n    );\n    if (value) {\n      detected[LanguageDetector.SessionStorage] = value as Locales;\n    }\n  };\n\n  const navigatorDetector = () => {\n    if (typeof navigator === 'undefined') return;\n\n    if (navigator.language) {\n      detected[LanguageDetector.Navigator] = navigator.language as Locales;\n    }\n  };\n\n  const htmlTagDetector = () => {\n    const htmlTag = options.htmlTag;\n    if (htmlTag && typeof htmlTag.getAttribute === 'function') {\n      const lang = htmlTag.getAttribute('lang');\n      if (lang) {\n        detected[LanguageDetector.HtmlTag] = lang as Locales;\n      }\n    }\n  };\n\n  // Map detector names to their corresponding functions\n  const detectors: Record<string, () => void> = {\n    [LanguageDetector.Querystring]: queryStringDetector,\n    [LanguageDetector.Cookie]: cookieDetector,\n    [LanguageDetector.LocalStorage]: localStorageDetector,\n    [LanguageDetector.SessionStorage]: sessionStorageDetector,\n    [LanguageDetector.Navigator]: navigatorDetector,\n    [LanguageDetector.HtmlTag]: htmlTagDetector,\n  };\n\n  // Use the provided order to run each detector\n  order.forEach((detectorName) => {\n    detectors[detectorName]?.();\n  });\n\n  return detected;\n};\n\nconst getFirstAvailableLocale = (\n  locales: Record<LanguageDetector, Locales | Locales[]>,\n  order: LanguageDetector[]\n): Locales => {\n  const { internationalization } = configuration;\n\n  for (const detector of order) {\n    const localesArray = [locales[detector]].flat();\n\n    for (const locale of localesArray) {\n      if (locale && (internationalization?.locales).includes(locale)) {\n        return locale;\n      } else if (\n        locale?.includes('-') &&\n        (internationalization?.locales).includes(\n          locale.split('-')[0] as Locales\n        )\n      ) {\n        return locale.split('-')[0] as Locales;\n      }\n    }\n  }\n\n  return internationalization?.defaultLocale ?? Locales.ENGLISH;\n};\n\n/**\n * Core language detector function\n * const detectedLanguages = detectLanguage(['LanguageDetector.Cookie', 'LanguageDetector.LocalStorage'], { lookupCookie: 'myCookie' });\n */\nexport const getBrowserLocale = (\n  userOptions: LanguageDetectorOptions | undefined = {}\n): Locales => {\n  const options = { ...getDefaultsOptions(), ...userOptions };\n\n  const locales = detectLanguage(options.order ?? [], options);\n\n  return getFirstAvailableLocale(locales, options.order ?? 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