fix(typescript): noSerdeLayer with SSE now compiles (#5404)

generators/typescript/sdk/CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [0.43.1] - 2024-12-11
+
+- Fix: When `noSerdeLayer` is enabled, streaming endpoints were failing to compile because 
+  they assumed that the serialization layer existed. This is now fixed. 
+
+
 ## [0.43.0] - 2024-12-11
 
 - Feature: Generate inline types for inline schemas by setting `enableInlineTypes` to `true` in the generator config.

generators/typescript/sdk/VERSION

@@ -1 +1 @@
-0.43.0
+0.43.1

generators/typescript/sdk/client-class-generator/src/endpoints/default/endpoint-response/GeneratedThrowingEndpointResponse.ts

@@ -495,35 +495,56 @@ export class GeneratedThrowingEndpointResponse implements GeneratedEndpointRespo
                         signal: getAbortSignalExpression({
                             abortSignalReference: this.clientClass.getReferenceToAbortSignal.bind(this.clientClass)
                         }),
-                        parse: ts.factory.createArrowFunction(
-                            [ts.factory.createToken(ts.SyntaxKind.AsyncKeyword)],
-                            undefined,
-                            [
-                                ts.factory.createParameterDeclaration(
-                                    undefined,
-                                    undefined,
-                                    undefined,
-                                    GeneratedStreamingEndpointImplementation.DATA_PARAMETER_NAME
-                                )
-                            ],
-                            undefined,
-                            ts.factory.createToken(ts.SyntaxKind.EqualsGreaterThanToken),
-                            ts.factory.createBlock(
-                                [
-                                    ts.factory.createReturnStatement(
-                                        context.sdkEndpointTypeSchemas
-                                            .getGeneratedEndpointTypeSchemas(this.packageId, this.endpoint.name)
-                                            .deserializeStreamData({
-                                                context,
-                                                referenceToRawStreamData: ts.factory.createIdentifier(
-                                                    GeneratedStreamingEndpointImplementation.DATA_PARAMETER_NAME
-                                                )
-                                            })
-                                    )
-                                ],
-                                true
-                            )
-                        )
+                        parse: context.includeSerdeLayer
+                            ? ts.factory.createArrowFunction(
+                                  [ts.factory.createToken(ts.SyntaxKind.AsyncKeyword)],
+                                  undefined,
+                                  [
+                                      ts.factory.createParameterDeclaration(
+                                          undefined,
+                                          undefined,
+                                          undefined,
+                                          GeneratedStreamingEndpointImplementation.DATA_PARAMETER_NAME
+                                      )
+                                  ],
+                                  undefined,
+                                  ts.factory.createToken(ts.SyntaxKind.EqualsGreaterThanToken),
+                                  ts.factory.createBlock(
+                                      [
+                                          ts.factory.createReturnStatement(
+                                              context.sdkEndpointTypeSchemas
+                                                  .getGeneratedEndpointTypeSchemas(this.packageId, this.endpoint.name)
+                                                  .deserializeStreamData({
+                                                      context,
+                                                      referenceToRawStreamData: ts.factory.createIdentifier(
+                                                          GeneratedStreamingEndpointImplementation.DATA_PARAMETER_NAME
+                                                      )
+                                                  })
+                                          )
+                                      ],
+                                      true
+                                  )
+                              )
+                            : ts.factory.createArrowFunction(
+                                  undefined,
+                                  undefined,
+                                  [
+                                      ts.factory.createParameterDeclaration(
+                                          undefined,
+                                          undefined,
+                                          undefined,
+                                          GeneratedStreamingEndpointImplementation.DATA_PARAMETER_NAME
+                                      )
+                                  ],
+                                  undefined,
+                                  ts.factory.createToken(ts.SyntaxKind.EqualsGreaterThanToken),
+                                  ts.factory.createAsExpression(
+                                      ts.factory.createIdentifier(
+                                          GeneratedStreamingEndpointImplementation.DATA_PARAMETER_NAME
+                                      ),
+                                      ts.factory.createKeywordTypeNode(ts.SyntaxKind.AnyKeyword)
+                                  )
+                              )
                     })
                 )
             ];

seed/ts-sdk/seed.yml

@@ -45,6 +45,8 @@ fixtures:
   streaming:
     - customConfig: null
       outputFolder: no-custom-config
+    - customConfig: null
+      outputFolder: no-serde-layer
     - customConfig:
         allowCustomFetcher: true
         timeoutInSeconds: 2