[Gradle, JS] KT-36784 Fix absolute paths on relative in package.json

#KT-32466 fixed
#KT-36784 fixed
#KT-36864 fixed

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/npm/AbstractNodeModulesCache.kt

@@ -5,6 +5,7 @@
 
 package org.jetbrains.kotlin.gradle.targets.js.npm
 
+import com.google.gson.GsonBuilder
 import org.gradle.api.Project
 import org.gradle.api.artifacts.ResolvedDependency
 import org.jetbrains.kotlin.gradle.internal.ProcessedFilesCache
@@ -42,4 +43,35 @@ internal abstract class AbstractNodeModulesCache(val nodeJs: NodeJsRootExtension
     override fun close() {
         cache.close()
     }
-}
+}
+
+fun makeNodeModule(
+    container: File,
+    packageJson: PackageJson,
+    files: (File) -> Unit
+): File {
+    val dir = importedPackageDir(container, packageJson.name, packageJson.version)
+
+    if (dir.exists()) dir.deleteRecursively()
+
+    check(dir.mkdirs()) {
+        "Cannot create directory: $dir"
+    }
+
+    val gson = GsonBuilder()
+        .setPrettyPrinting()
+        .create()
+
+    files(dir)
+
+    dir.resolve("package.json").writer().use {
+        gson.toJson(packageJson, it)
+    }
+
+    return dir
+}
+
+fun importedPackageDir(container: File, name: String, version: String): File =
+    container.resolve(name).resolve(version)
+
+fun GradleNodeModule(dir: File) = GradleNodeModule(dir.parentFile.name, dir.name, dir)

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/npm/CompositeNodeModuleBuilder.kt

@@ -5,7 +5,6 @@
 
 package org.jetbrains.kotlin.gradle.targets.js.npm
 
-import com.google.gson.GsonBuilder
 import org.gradle.api.Project
 import org.gradle.api.artifacts.ResolvedDependency
 import java.io.File
@@ -28,34 +27,24 @@ internal class CompositeNodeModuleBuilder(
 
         val packageJson = fromSrcPackageJson(srcPackageJsonFile)!!
 
-        packageJson.main = srcDir.parentFile.resolve(packageJson.main!!).canonicalPath
-
         // yarn requires semver
         packageJson.version = fixSemver(packageJson.version)
 
-        return makeNodeModule2(cache.dir, packageJson)
+        val container = cache.dir
+        val importedPackageDir = importedPackageDir(container, packageJson.name, packageJson.version)
+
+        packageJson.main = srcDir.parentFile.resolve(packageJson.main!!)
+            .relativeToOrNull(importedPackageDir)
+            ?.path
+            ?: throw IllegalStateException("Unable to link composite builds for Kotlin/JS which have different roots")
+
+        return makeNodeModule(container, packageJson)
     }
 }
 
-fun makeNodeModule2(
+private fun makeNodeModule(
     container: File,
     packageJson: PackageJson
 ): File {
-    val dir = importedPackageDir(container, packageJson.name, packageJson.version)
-
-    if (dir.exists()) dir.deleteRecursively()
-
-    check(dir.mkdirs()) {
-        "Cannot create directory: $dir"
-    }
-
-    val gson = GsonBuilder()
-        .setPrettyPrinting()
-        .create()
-
-    dir.resolve("package.json").writer().use {
-        gson.toJson(packageJson, it)
-    }
-
-    return dir
+    return makeNodeModule(container, packageJson) {}
 }

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/targets/js/npm/GradleNodeModuleBuilder.kt

@@ -5,7 +5,6 @@
 
 package org.jetbrains.kotlin.gradle.targets.js.npm
 
-import com.google.gson.GsonBuilder
 import org.gradle.api.Project
 import org.gradle.api.artifacts.ResolvedDependency
 import org.jetbrains.kotlin.gradle.targets.js.ir.KLIB_TYPE
@@ -73,35 +72,4 @@ private fun isKotlinJsRuntimeFile(file: File): Boolean {
     val name = file.name
     return (name.endsWith(".js") && !name.endsWith(".meta.js"))
             || name.endsWith(".js.map")
-}
-
-fun makeNodeModule(
-    container: File,
-    packageJson: PackageJson,
-    files: (File) -> Unit
-): File {
-    val dir = importedPackageDir(container, packageJson.name, packageJson.version)
-
-    if (dir.exists()) dir.deleteRecursively()
-
-    check(dir.mkdirs()) {
-        "Cannot create directory: $dir"
-    }
-
-    val gson = GsonBuilder()
-        .setPrettyPrinting()
-        .create()
-
-    files(dir)
-
-    dir.resolve("package.json").writer().use {
-        gson.toJson(packageJson, it)
-    }
-
-    return dir
-}
-
-fun importedPackageDir(container: File, name: String, version: String): File =
-    container.resolve(name).resolve(version)
-
-fun GradleNodeModule(dir: File) = GradleNodeModule(dir.parentFile.name, dir.name, dir)
+}