feat(codegen): add getHeaders callback for dynamic request headers

graphql/codegen/src/core/codegen/orm/index.ts

@@ -156,7 +156,11 @@ export function generateOrm(options: GenerateOrmOptions): GenerateOrmResult {
 }
 
 // Re-export generators for direct use
-export { generateOrmClientFile, generateQueryBuilderFile, generateSelectTypesFile } from './client-generator';
+export {
+  generateOrmClientFile,
+  generateQueryBuilderFile,
+  generateSelectTypesFile,
+} from './client-generator';
 export { generateModelFile, generateAllModelFiles } from './model-generator';
 export { generateCustomQueryOpsFile, generateCustomMutationOpsFile } from './custom-ops-generator';
 export { generateModelsBarrel, generateTypesBarrel } from './barrel';

graphql/codegen/src/core/codegen/templates/client.browser.ts

@@ -17,6 +17,8 @@ export interface GraphQLClientConfig {
   endpoint: string;
   /** Default headers to include in all requests */
   headers?: Record<string, string>;
+  /** Dynamic headers callback called on every request */
+  getHeaders?: () => Record<string, string>;
 }
 
 let globalConfig: GraphQLClientConfig | null = null;
@@ -139,12 +141,14 @@ export async function execute<
   options?: ExecuteOptions
 ): Promise<TData> {
   const config = getConfig();
+  const dynamicHeaders = config.getHeaders?.() ?? {};
 
   const response = await fetch(config.endpoint, {
     method: 'POST',
     headers: {
       'Content-Type': 'application/json',
       ...config.headers,
+      ...dynamicHeaders,
       ...options?.headers,
     },
     body: JSON.stringify({
@@ -180,12 +184,14 @@ export async function executeWithErrors<
   options?: ExecuteOptions
 ): Promise<{ data: TData | null; errors: GraphQLError[] | null }> {
   const config = getConfig();
+  const dynamicHeaders = config.getHeaders?.() ?? {};
 
   const response = await fetch(config.endpoint, {
     method: 'POST',
     headers: {
       'Content-Type': 'application/json',
       ...config.headers,
+      ...dynamicHeaders,
       ...options?.headers,
     },
     body: JSON.stringify({

graphql/codegen/src/core/codegen/templates/client.node.ts

@@ -62,6 +62,8 @@ export interface GraphQLClientConfig {
   endpoint: string;
   /** Default headers to include in all requests */
   headers?: Record<string, string>;
+  /** Dynamic headers callback called on every request */
+  getHeaders?: () => Record<string, string>;
 }
 
 let globalConfig: GraphQLClientConfig | null = null;
@@ -183,6 +185,7 @@ export async function execute<
 ): Promise<TData> {
   const config = getConfig();
   const url = new URL(config.endpoint);
+  const dynamicHeaders = config.getHeaders?.() ?? {};
 
   const body = JSON.stringify({
     query: document,
@@ -194,6 +197,7 @@ export async function execute<
     headers: {
       'Content-Type': 'application/json',
       ...config.headers,
+      ...dynamicHeaders,
       ...options?.headers,
     },
   };
@@ -234,6 +238,7 @@ export async function executeWithErrors<
 ): Promise<{ data: TData | null; errors: GraphQLError[] | null }> {
   const config = getConfig();
   const url = new URL(config.endpoint);
+  const dynamicHeaders = config.getHeaders?.() ?? {};
 
   const body = JSON.stringify({
     query: document,
@@ -245,6 +250,7 @@ export async function executeWithErrors<
     headers: {
       'Content-Type': 'application/json',
       ...config.headers,
+      ...dynamicHeaders,
       ...options?.headers,
     },
   };