Fix hanling module names that require escaping

compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/transformers/irToJs/ModuleWrapperTranslation.kt

@@ -5,12 +5,15 @@
 
 package org.jetbrains.kotlin.ir.backend.js.transformers.irToJs
 
+import org.jetbrains.kotlin.ir.backend.js.utils.RESERVED_IDENTIFIERS
 import org.jetbrains.kotlin.js.backend.ast.*
+import org.jetbrains.kotlin.js.naming.isValidES5Identifier
 import org.jetbrains.kotlin.serialization.js.ModuleKind
 
 object ModuleWrapperTranslation {
     object Namer {
-        fun requiresEscaping(name: String) = false
+        fun requiresEscaping(name: String) =
+            !name.isValidES5Identifier() || name in RESERVED_IDENTIFIERS
     }
 
     fun wrap(

compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/utils/StableNamesCollector.kt

@@ -83,7 +83,7 @@ class StableNamesCollector : IrElementVisitorVoid {
     }
 }
 
-private val RESERVED_IDENTIFIERS = setOf(
+val RESERVED_IDENTIFIERS = setOf(
     // keywords
     "await", "break", "case", "catch", "continue", "debugger", "default", "delete", "do", "else", "finally", "for", "function", "if",
     "in", "instanceof", "new", "return", "switch", "throw", "try", "typeof", "var", "void", "while", "with",