[build-utils] Rename Lambda experimentalResponseStreaming prop to supportsResponseStreaming (#9721)

packages/build-utils/src/lambda.ts

@@ -23,6 +23,10 @@ export interface LambdaOptionsBase {
   regions?: string[];
   supportsMultiPayloads?: boolean;
   supportsWrapper?: boolean;
+  supportsResponseStreaming?: boolean;
+  /**
+   * @deprecated Use the `supportsResponseStreaming` property instead.
+   */
   experimentalResponseStreaming?: boolean;
   operationType?: string;
   framework?: FunctionFramework;
@@ -69,7 +73,7 @@ export class Lambda {
   zipBuffer?: Buffer;
   supportsMultiPayloads?: boolean;
   supportsWrapper?: boolean;
-  experimentalResponseStreaming?: boolean;
+  supportsResponseStreaming?: boolean;
   framework?: FunctionFramework;
 
   constructor(opts: LambdaOptions) {
@@ -83,6 +87,7 @@ export class Lambda {
       regions,
       supportsMultiPayloads,
       supportsWrapper,
+      supportsResponseStreaming,
       experimentalResponseStreaming,
       operationType,
       framework,
@@ -162,7 +167,8 @@ export class Lambda {
     this.zipBuffer = 'zipBuffer' in opts ? opts.zipBuffer : undefined;
     this.supportsMultiPayloads = supportsMultiPayloads;
     this.supportsWrapper = supportsWrapper;
-    this.experimentalResponseStreaming = experimentalResponseStreaming;
+    this.supportsResponseStreaming =
+      supportsResponseStreaming ?? experimentalResponseStreaming;
     this.framework = framework;
   }
 
@@ -181,6 +187,16 @@ export class Lambda {
     }
     return zipBuffer;
   }
+
+  /**
+   * @deprecated Use the `supportsResponseStreaming` property instead.
+   */
+  get experimentalResponseStreaming(): boolean | undefined {
+    return this.supportsResponseStreaming;
+  }
+  set experimentalResponseStreaming(v: boolean | undefined) {
+    this.supportsResponseStreaming = v;
+  }
 }
 
 const sema = new Sema(10);

packages/next/src/utils.ts

@@ -795,7 +795,7 @@ export async function createLambdaFromPseudoLayers({
     ...lambdaOptions,
     ...(isStreaming
       ? {
-          experimentalResponseStreaming: true,
+          supportsResponseStreaming: true,
         }
       : {}),
     files,

packages/next/test/integration/index.test.js

@@ -35,7 +35,7 @@ if (parseInt(process.versions.node.split('.')[0], 10) >= 16) {
     expect(buildResult.output['api/hello-again']).toBeDefined();
     expect(buildResult.output['api/hello-again'].type).toBe('Lambda');
     expect(
-      buildResult.output['api/hello-again'].experimentalResponseStreaming
+      buildResult.output['api/hello-again'].supportsResponseStreaming
     ).toBe(true);
 
     expect(buildResult.output['edge-route-handler']).toBeDefined();

packages/node/src/index.ts

@@ -487,8 +487,11 @@ export const build: BuildV3 = async ({
       config.helpers === false || process.env.NODEJS_HELPERS === '0'
     );
 
-    const experimentalResponseStreaming =
+    const supportsResponseStreaming =
-      staticConfig?.experimentalResponseStreaming === true ? true : undefined;
+      (staticConfig?.supportsResponseStreaming ??
+        staticConfig?.experimentalResponseStreaming) === true
+        ? true
+        : undefined;
 
     output = new NodejsLambda({
       files: preparedFiles,
@@ -497,7 +500,7 @@ export const build: BuildV3 = async ({
       shouldAddHelpers,
       shouldAddSourcemapSupport,
       awsLambdaHandler,
-      experimentalResponseStreaming,
+      supportsResponseStreaming,
     });
   }
 

packages/remix/src/build.ts

@@ -522,7 +522,7 @@ async function createRenderNodeFunction(
     shouldAddHelpers: false,
     shouldAddSourcemapSupport: false,
     operationType: 'SSR',
-    experimentalResponseStreaming: true,
+    supportsResponseStreaming: true,
     regions: config.regions,
     memory: config.memory,
     maxDuration: config.maxDuration,