refactor: move task dependency for JSBubndle to variant aware preBuild task

Author: hurali97

gradle-plugins/react/brownfield/src/main/kotlin/com/callstack/react/brownfield/plugin/RNSourceSets.kt

@@ -109,11 +109,17 @@ object RNSourceSets {
 
         project.tasks.named("preBuild").configure {
             /**
-             * As part of the build task, we need to make sure the auto-gen files are present.
-             * This makes sure that AutoLinking and ReactNativeEntryPoint are generated.
+             * Ensure auto-generated sources are available before compilation.
+             *
+             * This hooks into the global `preBuild` task, so the dependency runs
+             * regardless of build variant. Use this only when the generated sources
+             * are identical for all variants (debug/release).
+             *
+             * If variant-specific
+             * files are needed, prefer `preDebugBuild` / `preReleaseBuild` under
+             * `VariantProcessor.processVariant`
              */
             it.dependsOn("copyAutolinkingSources")
-            it.dependsOn(":${appProject.name}:createBundleReleaseJsAndAssets")
         }
     }
 }

gradle-plugins/react/brownfield/src/main/kotlin/com/callstack/react/brownfield/processors/VariantProcessor.kt

@@ -11,6 +11,7 @@
 package com.callstack.react.brownfield.processors
 
 import com.android.build.gradle.api.LibraryVariant
+import com.android.build.gradle.internal.tasks.factory.dependsOn
 import com.callstack.react.brownfield.artifacts.ArtifactsResolver.Companion.ARTIFACT_TYPE_AAR
 import com.callstack.react.brownfield.artifacts.ArtifactsResolver.Companion.ARTIFACT_TYPE_JAR
 import com.callstack.react.brownfield.exceptions.TaskNotFound
@@ -54,6 +55,10 @@ class VariantProcessor(private val variant: LibraryVariant) : BaseProject() {
             throw TaskNotFound("Can not find $preBuildTaskPath task")
         }
 
+        if (upperCaseVariantName == "Release") {
+            prepareTask.dependsOn(":app:createBundleReleaseJsAndAssets")
+        }
+
         val bundleTask = variantTaskProvider.bundleTaskProvider(project, variant.name)
         explodeArtifactFiles(artifacts, prepareTask, bundleTask)
         mergeClassesAndJars(bundleTask)