feat: Added cookieDomain option to override locale cookie's domain (#599)

Author: tho-masn

docs/es/options-reference.md

@@ -62,6 +62,8 @@ Aquí están todas las opciones disponibles al configurar el módulo y sus valor
     // preferred language to prevent subsequent redirections
     // Set to false to redirect every time
     useCookie: true,
+    // Set to override the default domain of the cookie. Defaults to host of the site.
+    cookieDomain: null
     // Cookie name
     cookieKey: 'i18n_redirected',
     // Set to always redirect to value stored in the cookie, not just once

docs/options-reference.md

@@ -62,6 +62,8 @@ Here are all the options available when configuring the module and their default
     // preferred language to prevent subsequent redirections
     // Set to false to redirect every time
     useCookie: true,
+    // Set to override the default domain of the cookie. Defaults to host of the site.
+    cookieDomain: null
     // Cookie name
     cookieKey: 'i18n_redirected',
     // Set to always redirect to value stored in the cookie, not just once

src/helpers/constants.js

@@ -35,6 +35,7 @@ exports.DEFAULT_OPTIONS = {
   rootRedirect: null,
   detectBrowserLanguage: {
     useCookie: true,
+    cookieDomain: null,
     cookieKey: 'i18n_redirected',
     alwaysRedirect: false,
     fallbackLocale: null

src/plugins/main.js

@@ -86,7 +86,7 @@ export default async (context) => {
     }, { preserveState: !!store.state[vuex.moduleName] })
   }
 
-  const { useCookie, cookieKey } = detectBrowserLanguage
+  const { useCookie, cookieKey, cookieDomain } = detectBrowserLanguage
 
   const getLocaleCookie = () => {
     if (useCookie) {
@@ -109,6 +109,11 @@ export default async (context) => {
       path: '/',
       sameSite: 'lax'
     }
+
+    if (cookieDomain) {
+      cookieOptions.domain = cookieDomain
+    }
+
     if (process.client) {
       JsCookie.set(cookieKey, locale, cookieOptions)
     } else if (res) {

types/nuxt-i18n.d.ts

@@ -26,6 +26,7 @@ declare namespace NuxtVueI18n {
 
     interface DetectBrowserLanguageInterface {
       useCookie?: boolean
+      cookieDomain?: string | null
       cookieKey?: string
       alwaysRedirect?: boolean
       fallbackLocale?: Locale | null