[JS IR BE] Split IrModule/IrFile serializers

compiler/ir/serialization.js/src/org/jetbrains/kotlin/ir/backend/js/lower/serialization/ir/JsIrFileSerializer.kt

@@ -0,0 +1,16 @@
+/*
+ * Copyright 2010-2019 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.ir.backend.js.lower.serialization.ir
+
+import org.jetbrains.kotlin.backend.common.LoggingContext
+import org.jetbrains.kotlin.backend.common.serialization.IrFileSerializer
+import org.jetbrains.kotlin.backend.common.serialization.DeclarationTable
+
+class JsIrFileSerializer(
+    logger: LoggingContext,
+    declarationTable: DeclarationTable,
+    bodiesOnlyForInlines: Boolean = false
+) : IrFileSerializer(logger, declarationTable, JsMangler, bodiesOnlyForInlines)

compiler/ir/serialization.js/src/org/jetbrains/kotlin/ir/backend/js/lower/serialization/ir/JsIrModuleSerializer.kt

@@ -7,10 +7,12 @@ package org.jetbrains.kotlin.ir.backend.js.lower.serialization.ir
 
 import org.jetbrains.kotlin.backend.common.LoggingContext
 import org.jetbrains.kotlin.backend.common.serialization.IrModuleSerializer
-import org.jetbrains.kotlin.backend.common.serialization.DeclarationTable
+import org.jetbrains.kotlin.backend.common.serialization.KotlinMangler
+import org.jetbrains.kotlin.ir.declarations.IrFile
 
-class JsIrModuleSerializer(
-    logger: LoggingContext,
-    declarationTable: DeclarationTable,
-    bodiesOnlyForInlines: Boolean = false
-) : IrModuleSerializer(logger, declarationTable, JsMangler, bodiesOnlyForInlines)
+class JsIrModuleSerializer(logger: LoggingContext, declarationTable: JsDeclarationTable) :
+    IrModuleSerializer<JsIrFileSerializer>(logger, JsMangler, declarationTable) {
+
+
+    override fun createSerializerForFile(file: IrFile): JsIrFileSerializer = JsIrFileSerializer(logger, declarationTable)
+}