KT-MR-5666 Keep dep graph utils internal; reuse transitive closure utils

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/mpp/CompilationDetails.kt

@@ -15,6 +15,7 @@ import org.gradle.api.tasks.SourceSet
 import org.gradle.api.tasks.TaskProvider
 import org.gradle.api.tasks.bundling.AbstractArchiveTask
 import org.gradle.kotlin.dsl.withType
+import org.jetbrains.kotlin.commonizer.util.transitiveClosure
 import org.jetbrains.kotlin.gradle.dsl.*
 import org.jetbrains.kotlin.gradle.dsl.KotlinJvmOptionsImpl
 import org.jetbrains.kotlin.gradle.plugin.*
@@ -69,14 +70,7 @@ interface CompilationDetailsWithRuntime<T : KotlinCommonOptions> : CompilationDe
 }
 
 internal val CompilationDetails<*>.associateWithTransitiveClosure: Iterable<CompilationDetails<*>>
-    get() = mutableSetOf<CompilationDetails<*>>().apply {
+    get() = transitiveClosure(this) { associateCompilations }
-        fun visit(other: CompilationDetails<*>) {
-            if (add(other)) {
-                other.associateCompilations.forEach(::visit)
-            }
-        }
-        associateCompilations.forEach(::visit)
-    }
 
 open class DefaultCompilationDetails<T : KotlinCommonOptions>(
     final override val target: KotlinTarget,

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/mpp/pm20/DependencyGraphResolver.kt

@@ -112,14 +112,3 @@ class GradleDependencyGraph(
     override val root: GradleDependencyGraphNode
 ) : DependencyGraphResolution.DependencyGraph(requestingModule, root)
 
-val GradleDependencyGraph.allGraphNodes: Iterable<GradleDependencyGraphNode>
-    get() = mutableSetOf<GradleDependencyGraphNode>().apply {
-        fun visit(node: GradleDependencyGraphNode) {
-            if (add(node))
-                node.dependenciesByFragment.values.flatten().forEach(::visit)
-        }
-        visit(root)
-    }
-
-val GradleDependencyGraph.allDependencyModules: Iterable<KotlinModule>
-    get() = allGraphNodes.map { it.module }.filter { it != root.module }

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/mpp/pm20/KotlinCompilationData.kt

@@ -13,6 +13,7 @@ import org.jetbrains.kotlin.gradle.dsl.pm20Extension
 import org.jetbrains.kotlin.gradle.plugin.*
 import org.jetbrains.kotlin.gradle.plugin.mpp.GradleModuleVariantResolver
 import org.jetbrains.kotlin.gradle.plugin.mpp.isMain
+import org.jetbrains.kotlin.gradle.plugin.mpp.pm20.util.allDependencyModules
 import org.jetbrains.kotlin.gradle.plugin.mpp.pm20.util.disambiguateName
 import org.jetbrains.kotlin.gradle.utils.filesProvider
 import org.jetbrains.kotlin.gradle.utils.lowerCamelCaseName

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/mpp/pm20/util/dependencyGraphUtils.kt

@@ -0,0 +1,17 @@
+/*
+ * Copyright 2010-2022 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.gradle.plugin.mpp.pm20.util
+
+import org.jetbrains.kotlin.commonizer.util.transitiveClosure
+import org.jetbrains.kotlin.gradle.plugin.mpp.pm20.GradleDependencyGraph
+import org.jetbrains.kotlin.gradle.plugin.mpp.pm20.GradleDependencyGraphNode
+import org.jetbrains.kotlin.project.model.KotlinModule
+
+internal val GradleDependencyGraph.allDependencyNodes: Iterable<GradleDependencyGraphNode>
+    get() = transitiveClosure(root) { dependenciesByFragment.values.flatten() }
+
+internal val GradleDependencyGraph.allDependencyModules: Iterable<KotlinModule>
+    get() = allDependencyNodes.map { it.module }