Advance version of kotlinx serialization in imports-dumper

File separator are not escaped now, as there's no need to escape /
character in JSON strings.

plugins/imports-dumper/build.gradle.kts

@@ -6,7 +6,7 @@ plugins {
     id("jps-compatible")
 }
 
-val kotlinxSerializationVersion = "0.4.2"
+val kotlinxSerializationVersion = "0.14.0"
 
 dependencies {
     api(project(":compiler:frontend.java"))

plugins/imports-dumper/src/org/jetbrains/kotlin/importsDumper/ImportsDumperExtension.kt

@@ -6,10 +6,11 @@
 package org.jetbrains.kotlin.importsDumper
 
 import com.intellij.openapi.project.Project
+import kotlinx.serialization.internal.LinkedHashMapSerializer
 import kotlinx.serialization.internal.StringSerializer
-import kotlinx.serialization.json.JSON
+import kotlinx.serialization.json.Json
+import kotlinx.serialization.json.JsonConfiguration
 import kotlinx.serialization.list
-import kotlinx.serialization.map
 import org.jetbrains.kotlin.analyzer.AnalysisResult
 import org.jetbrains.kotlin.container.ComponentProvider
 import org.jetbrains.kotlin.context.ProjectContext
@@ -29,18 +30,17 @@ class ImportsDumperExtension(destinationPath: String) : AnalysisHandlerExtension
         files: Collection<KtFile>,
         bindingTrace: BindingTrace,
         componentProvider: ComponentProvider
-    ): AnalysisResult? {
+    ): AnalysisResult {
         val filePathToImports: MutableMap<String, List<String>> = mutableMapOf()
 
         for (file in files) {
             filePathToImports[file.virtualFilePath] = file.importDirectives.map { it.text }
         }
 
-        val serializer = (StringSerializer to StringSerializer.list).map
+        val serializer = LinkedHashMapSerializer(StringSerializer, StringSerializer.list)
+        val jsonStringWithImports = Json(JsonConfiguration.Stable).toJson(serializer, filePathToImports)
 
-        val jsonStringWithImports = JSON.stringify(serializer, filePathToImports)
+        destination.writeText(jsonStringWithImports.toString())
-
-        destination.writeText(jsonStringWithImports)
 
         return AnalysisResult.success(bindingTrace.bindingContext, module, shouldGenerateCode = false)
     }

plugins/imports-dumper/testData/simpleCase/simpleCase.dump

@@ -1 +1 @@
-{"$TESTDATA_DIR$\/a\/A1.kt":["import c.JavaC"],"$TESTDATA_DIR$\/a\/A2.kt":[],"$TESTDATA_DIR$\/b\/B1.kt":["import a.*"],"$TESTDATA_DIR$\/b\/nestedB\/B2.kt":["import a.A1 as AliasedA1","import a.A1"],"$TESTDATA_DIR$\/c\/C1.kt":["import a.A1","import a.A2","import b.B1.Companion.a2","import b.nestedB.bar","import b.nestedB.foo"]}
+{"$TESTDATA_DIR$/a/A1.kt":["import c.JavaC"],"$TESTDATA_DIR$/a/A2.kt":[],"$TESTDATA_DIR$/b/B1.kt":["import a.*"],"$TESTDATA_DIR$/b/nestedB/B2.kt":["import a.A1 as AliasedA1","import a.A1"],"$TESTDATA_DIR$/c/C1.kt":["import a.A1","import a.A2","import b.B1.Companion.a2","import b.nestedB.bar","import b.nestedB.foo"]}

plugins/imports-dumper/tests/org/jetbrains/kotlin/importsDumper/ImportsDumperTest.kt

@@ -70,6 +70,6 @@ class ImportsDumperTest : TestCaseWithTmpdir() {
 
 private fun String.relativizeAbsolutePaths(relativeTo: File): String {
     // JSON escapes slashes
-    val pattern = relativeTo.absoluteFile.toString().replace(File.separatorChar.toString(), "\\/")
+    val pattern = relativeTo.absoluteFile.toString().replace(File.separatorChar.toString(), "/")
     return this.replace(pattern, "\$TESTDATA_DIR$")
 }