feat: add support for queryDeduplication apollo config option

README.md

@@ -40,6 +40,7 @@
 - Ensure you have the latest LTS version of Node.js installed
 - Run `corepack enable`
 - Install dependencies using `pnpm install`
+- Build the module and prepare the playground `pnpm dev:prepare`
 - Start playground with `pnpm dev`
 
 ## License

docs/content/1.getting-started/2.configuration.md

@@ -16,6 +16,7 @@ export default defineNuxtConfig({
     authHeader: 'Authorization',
     tokenStorage: 'cookie',
     proxyCookies: true,
+    queryDeduplication: true,
     clients: {}
   }
 })

src/module.ts

@@ -38,7 +38,8 @@ export default defineNuxtModule<ModuleOptions>({
       secure: process.env.NODE_ENV === 'production',
       sameSite: 'lax'
     },
-    clientAwareness: false
+    clientAwareness: false,
+    queryDeduplication: true
   },
   async setup (options, nuxt) {
     if (!options.clients || !Object.keys(options.clients).length) {
@@ -102,6 +103,7 @@ export default defineNuxtModule<ModuleOptions>({
         '  export const NuxtApollo: {',
         '    clients: Record<ApolloClientKeys, ClientConfig>',
         '    clientAwareness: boolean',
+        '    queryDeduplication: boolean',
         '    proxyCookies: boolean',
         '    cookieAttributes: ClientConfig[\'cookieAttributes\']',
         '  }',
@@ -115,8 +117,9 @@ export default defineNuxtModule<ModuleOptions>({
         'export const NuxtApollo = {',
         ` proxyCookies: ${options.proxyCookies},`,
         ` clientAwareness: ${options.clientAwareness},`,
+        ` queryDeduplication: ${options.queryDeduplication},`,
         ` cookieAttributes: ${serializeConfig(options.cookieAttributes)},`,
-        ` clients: ${serializeConfig(clients)}`,
+        ` clients: ${serializeConfig(clients)}`
         '}'
       ].join('\n')
     })

src/runtime/plugin.ts

@@ -124,7 +124,8 @@ export default defineNuxtPlugin((nuxtApp) => {
         ? { ssrMode: true }
         : { ssrForceFetchDelay: 100 }),
       connectToDevTools: clientConfig.connectToDevTools || false,
-      defaultOptions: clientConfig?.defaultOptions
+      defaultOptions: clientConfig?.defaultOptions,
+      queryDeduplication: NuxtApollo.queryDeduplication
     })
 
     if (!clients?.default && !NuxtApollo?.clients?.default && key === Object.keys(NuxtApollo.clients)[0]) {

src/types.d.ts

@@ -164,4 +164,12 @@ export interface NuxtApolloConfig<T = false> {
    * @default false
    */
   clientAwareness?: boolean
+
+  /**
+   * If false, Apollo Client sends every created query to the server,
+   * even if a completely identical query is already in flight.
+   * @type {boolean}
+   * @default true
+   **/
+  queryDeduplication?: boolean;
 }