apollo uri support relative path with SSR support.

package.json

@@ -53,6 +53,7 @@
   },
   "devDependencies": {
     "@nuxt/schema": "npm:@nuxt/[email protected]",
-    "unbuild": "0.5.11"
+    "unbuild": "0.5.11",
+    "urijs": "^1.19.11"
   }
 }

src/index.ts

@@ -1,6 +1,7 @@
 import { dirname, resolve } from "pathe";
 import { fileURLToPath } from "url";
 import { defineNuxtModule, addTemplate, addPluginTemplate } from '@nuxt/kit'
+import URI from 'urijs'
 
 import type {
   InMemoryCache,
@@ -14,6 +15,7 @@ type ClientConfig = Partial<ApolloClientOptions<any>> & {
 }
 export interface ApolloModuleOptions {
   [name: string]: ClientConfig | any // <= 0.0.9
+  serverUri?: string
   default?: ClientConfig // <= 0.0.9
   clientConfigs?: { // > 0.0.9
     default: ClientConfig
@@ -27,7 +29,7 @@ export interface ApolloModuleOptions {
   }
 }
 export default defineNuxtModule<ApolloModuleOptions>({
-  
+
   meta: {
     name: '@nuxt3/apollo-module',
     configKey: 'apollo',
@@ -38,13 +40,20 @@ export default defineNuxtModule<ApolloModuleOptions>({
 
     const __dirname__ = dirname(fileURLToPath(import.meta.url));
 
+    const server = nuxt.options.server
+    options.serverUri = options.serverUri ?? new URI({
+      protocol: server.https ? 'https' : 'http',
+      hostname: server.host,
+      port: server.port,
+    }).toString()
+
     // save options to apollo.options.mjs
     addTemplate({
       filename: 'apollo.options.mjs',
       getContents: () => `export default ${JSON.stringify(options)}`,
     })
 
-    // add apollo plugin ( see plugin.ts ) to server and client 
+    // add apollo plugin ( see plugin.ts ) to server and client
     addPluginTemplate({
       src: resolve(__dirname__, "./plugin.mjs"),
       mode: 'all'
@@ -60,4 +69,4 @@ declare module '@nuxt/schema' {
   interface NuxtOptions {
     apollo?: ApolloModuleOptions
   }
-}
+}

src/plugin.ts

@@ -10,6 +10,7 @@ import { ApolloClients, provideApolloClient } from '@vue/apollo-composable'
 import { setContext } from '@apollo/client/link/context';
 import { parse, serialize } from "cookie-es";
 import { ApolloModuleOptions } from './index'
+import URI from 'urijs'
 // @ts-expect-error #build resolved by Nuxt3
 import apolloOptions from '#build/apollo.options.mjs' // generated by index.ts
 
@@ -71,6 +72,9 @@ export default defineNuxtPlugin((nuxt: NuxtApp) => {
     const httpLink = createHttpLink(options)
     const cache = new InMemoryCache();
     if (process.server) {
+      if (process.server) {
+        if (new URI(options.uri).is('relative') && apolloModuleOptions.serverUri)
+          options.uri = new URI(options.uri).absoluteTo(apolloModuleOptions.serverUri).toString()
       const apolloClient = new ApolloClient(Object.assign(options, {
         ssrMode: true,
         link: concat(authLink, httpLink),
@@ -91,7 +95,7 @@ export default defineNuxtPlugin((nuxt: NuxtApp) => {
       }))
       apolloClients[clientId] = apolloClient;
     }
-    
+
   }
 
   const apolloHelpers = {
@@ -107,7 +111,7 @@ export default defineNuxtPlugin((nuxt: NuxtApp) => {
       }
 
       writeClientCookie(getTokenName(clientId), token, cookieAttributes)
-      
+
       if (!skipResetStore) {
         try {
           await apolloClients[clientId].resetStore()
@@ -145,4 +149,4 @@ declare module '#app' {
       [key: string]: ApolloClient<any>
     }
   }
-}
+}