[K/JS] Implement an incremental compilation for the per-file granularity

libraries/stdlib/js-ir-minimal-for-test/build.gradle.kts

@@ -84,7 +84,7 @@ val jsMainSources by task<Sync> {
                 "libraries/stdlib/js/src/kotlin/console.kt",
                 "libraries/stdlib/js/src/kotlin/coreDeprecated.kt",
                 "libraries/stdlib/js/src/kotlin/date.kt",
-                "libraries/stdlib/js/src/kotlin/grouping.kt",
+                "libraries/stdlib/js/src/kotlin/GroupingJs.kt",
                 "libraries/stdlib/js/src/kotlin/ItemArrayLike.kt",
                 "libraries/stdlib/js/src/kotlin/io/**",
                 "libraries/stdlib/js/src/kotlin/json.kt",

libraries/stdlib/js/src/kotlin/Comparator.kt

@@ -2,7 +2,7 @@
  * Copyright 2010-2020 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.
  */
-
+@file:JsName("ComparatorJs")
 package kotlin
 
 

libraries/stdlib/js/src/kotlin/GroupingJs.kt

@@ -2,6 +2,7 @@
  * Copyright 2010-2018 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 kotlin.collections
 
 /**

libraries/stdlib/js/src/kotlin/collections/AbstractMutableCollection.kt

@@ -3,6 +3,8 @@
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
+@file:JsName("AbstractMutableCollectionJs")
+
 package kotlin.collections
 
 /**

libraries/stdlib/js/src/kotlin/collections/AbstractMutableList.kt

@@ -8,6 +8,7 @@
  * Copyright 2007 Google Inc.
 */
 
+@file:JsName("AbstractMutableListJs")
 
 package kotlin.collections
 

libraries/stdlib/js/src/kotlin/collections/ArrayList.kt

@@ -3,6 +3,8 @@
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
+@file:JsName("ArrayListJs")
+
 package kotlin.collections
 
 /**

libraries/stdlib/js/src/kotlin/reflect/KCallable.kt

@@ -3,6 +3,8 @@
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
+@file:JsName("KCallableJs")
+
 package kotlin.reflect
 
 /**

libraries/stdlib/js/src/kotlin/reflect/KClass.kt

@@ -3,6 +3,8 @@
  * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
  */
 
+@file:kotlin.js.JsName("KClassJs")
+
 package kotlin.reflect
 
 /**

libraries/stdlib/js/src/kotlin/reflect/KProperty.kt

@@ -4,6 +4,8 @@
  */
 
 @file:Suppress("IMPLEMENTING_FUNCTION_INTERFACE")
+@file:JsName("KPropertyJs")
+
 package kotlin.reflect
 
 /**