review: inline default values

Author: dannyhw

packages/repack/src/loaders/babelSwcLoader/swc.ts

@@ -77,9 +77,7 @@ function getTransformReactDevelopmentConfig(
 
 function getTransformReactRuntimeConfig(
   swcConfig: SwcLoaderOptions,
-  reactRuntimeConfig: Record<string, any> = {
-    runtime: 'automatic',
-  }
+  reactRuntimeConfig: Record<string, any> = {}
 ): SwcLoaderOptions {
   return {
     ...swcConfig,
@@ -89,12 +87,8 @@ function getTransformReactRuntimeConfig(
         ...swcConfig.jsc?.transform,
         react: {
           ...swcConfig.jsc?.transform?.react,
-          runtime:
-            reactRuntimeConfig.runtime ??
-            swcConfig.jsc?.transform?.react?.runtime,
-          importSource:
-            reactRuntimeConfig.importSource ??
-            swcConfig.jsc?.transform?.react?.importSource,
+          runtime: reactRuntimeConfig.runtime ?? 'automatic',
+          importSource: reactRuntimeConfig.importSource ?? 'react',
         },
       },
     },