feat: Add support for X-Forwarded-Host (#92)

Author: darcoder

src/helpers/utils.js

@@ -88,20 +88,27 @@ export const getLocaleFromRoute = (route = {}, routesNameSeparator = '', locales
   return null
 }
 
+/**
+ * Get x-forwarded-host
+ * @return {String} x-forwarded-host
+ */
+export const getForwarded = () => (
+  process.browser ? window.location.href.split('/')[2] : (req.headers['x-forwarded-host'] ? req.headers['x-forwarded-host'] : req.headers.host) // eslint-disable-line
+)
+
 /**
  * Get hostname
  * @return {String} Hostname
  */
 export const getHostname = () => (
   process.browser ? window.location.href.split('/')[2] : req.headers.host // eslint-disable-line
 )
-
 /**
  * Get locale code that corresponds to current hostname
  * @return {String} Locade code found if any
  */
 export const getLocaleDomain = () => {
-  const hostname = getHostname()
+  const hostname = app.i18n.forwardedHost ? getForwarded() : getHostname()
   if (hostname) {
     const localeDomain = app.i18n.locales.find(l => l[LOCALE_DOMAIN_KEY] === hostname) // eslint-disable-line
     if (localeDomain) {

src/module.js

@@ -18,6 +18,7 @@ import { makeRoutes } from './helpers/routes'
 import {
   getLocaleCodes,
   getLocaleFromRoute,
+  getForwarded,
   getHostname,
   getLocaleDomain,
   syncVuex
@@ -45,6 +46,7 @@ export default function (userOptions) {
     LOCALE_FILE_KEY,
     getLocaleCodes,
     getLocaleFromRoute,
+    getForwarded,
     getHostname,
     getLocaleDomain,
     syncVuex

src/plugins/main.js

@@ -14,6 +14,7 @@ export default async ({ app, route, store, req }) => {
   const getLocaleCodes = <%= options.getLocaleCodes %>
   const getLocaleFromRoute = <%= options.getLocaleFromRoute %>
   const getHostname = <%= options.getHostname %>
+  const getForwarded = <%= options.getForwarded %>
   const getLocaleDomain = <%= options.getLocaleDomain %>
   const syncVuex = <%= options.syncVuex %>
 
@@ -51,6 +52,7 @@ export default async ({ app, route, store, req }) => {
   app.i18n.locales = <%= JSON.stringify(options.locales) %>
   app.i18n.defaultLocale = '<%= options.defaultLocale %>'
   app.i18n.differentDomains = <%= options.differentDomains %>
+  app.i18n.forwardedHost = <%= options.forwardedHost %>
   app.i18n.routesNameSeparator = '<%= options.routesNameSeparator %>'
   app.i18n.beforeLanguageSwitch = <%= options.beforeLanguageSwitch %>
   app.i18n.onLanguageSwitched = <%= options.onLanguageSwitched %>