diff --git a/compiler/ir/serialization.common/src/org/jetbrains/kotlin/backend/common/serialization/KotlinIrLinker.kt b/compiler/ir/serialization.common/src/org/jetbrains/kotlin/backend/common/serialization/KotlinIrLinker.kt
index 5ea635c2893..3d18eceb4e8 100644
--- a/compiler/ir/serialization.common/src/org/jetbrains/kotlin/backend/common/serialization/KotlinIrLinker.kt
+++ b/compiler/ir/serialization.common/src/org/jetbrains/kotlin/backend/common/serialization/KotlinIrLinker.kt
@@ -581,7 +581,7 @@ abstract class KotlinIrLinker(
         }
     }
 
-    private fun deserializeIrModuleHeader(
+    fun deserializeIrModuleHeader(
         moduleDescriptor: ModuleDescriptor,
         deserializationStrategy: DeserializationStrategy = DeserializationStrategy.ONLY_REFERENCED
     ): IrModuleFragment {
diff --git a/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/repl/js/JsDebuggerCompiler.kt b/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/repl/js/JsDebuggerCompiler.kt
new file mode 100644
index 00000000000..e611a3dde02
--- /dev/null
+++ b/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/repl/js/JsDebuggerCompiler.kt
@@ -0,0 +1,35 @@
+/*
+ * 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.scripting.repl.js
+
+import org.jetbrains.kotlin.cli.common.repl.*
+import org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment
+import org.jetbrains.kotlin.ir.backend.js.utils.NameTables
+import java.util.concurrent.locks.ReentrantReadWriteLock
+
+class JsDebuggerCompiler(
+    environment: KotlinCoreEnvironment,
+    loadNames: NameTables
+) : ReplCompiler {
+    // TODO: configure dependencies
+    private val compiler = CoreScriptingJsCompiler(
+        environment,
+        loadNames,
+        readLibrariesFromConfiguration(environment.configuration)
+    )
+
+    override fun createState(lock: ReentrantReadWriteLock): IReplStageState<*> {
+        return JsState(lock)
+    }
+
+    override fun check(state: IReplStageState<*>, codeLine: ReplCodeLine): ReplCheckResult {
+        return ReplCheckResult.Ok()
+    }
+
+    override fun compile(state: IReplStageState<*>, codeLine: ReplCodeLine): ReplCompileResult {
+        return compiler.compile(codeLine)
+    }
+}
diff --git a/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/repl/js/JsReplCompiler.kt b/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/repl/js/JsReplCompiler.kt
new file mode 100644
index 00000000000..7be7820c90f
--- /dev/null
+++ b/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/repl/js/JsReplCompiler.kt
@@ -0,0 +1,34 @@
+/*
+ * 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.scripting.repl.js
+
+import org.jetbrains.kotlin.cli.common.repl.*
+import org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment
+import org.jetbrains.kotlin.descriptors.ModuleDescriptor
+import org.jetbrains.kotlin.ir.backend.js.utils.NameTables
+import java.util.concurrent.locks.ReentrantReadWriteLock
+
+class JsReplCompiler(
+    environment: KotlinCoreEnvironment
+) : ReplCompiler {
+    private val nameTables: NameTables = NameTables(emptyList())
+    private val dependencies: List<ModuleDescriptor> = readLibrariesFromConfiguration(environment.configuration)
+
+    val scriptDependencyBinary = ScriptDependencyCompiler(environment, nameTables).compile(dependencies).first
+    private val compiler = CoreScriptingJsCompiler(environment, nameTables, dependencies)
+
+    override fun createState(lock: ReentrantReadWriteLock): IReplStageState<*> {
+        return JsState(lock)
+    }
+
+    override fun check(state: IReplStageState<*>, codeLine: ReplCodeLine): ReplCheckResult {
+        return ReplCheckResult.Ok()
+    }
+
+    override fun compile(state: IReplStageState<*>, codeLine: ReplCodeLine): ReplCompileResult {
+        return compiler.compile(codeLine)
+    }
+}
diff --git a/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/repl/js/JsScriptCompiler.kt b/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/repl/js/JsScriptCompiler.kt
new file mode 100644
index 00000000000..0050ffe6d90
--- /dev/null
+++ b/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/repl/js/JsScriptCompiler.kt
@@ -0,0 +1,43 @@
+/*
+ * 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.scripting.repl.js
+
+import org.jetbrains.kotlin.cli.common.repl.ReplCompileResult.*
+import org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment
+import org.jetbrains.kotlin.descriptors.ModuleDescriptor
+import org.jetbrains.kotlin.ir.backend.js.utils.NameTables
+import kotlin.script.experimental.api.*
+
+class JsScriptCompiler(
+    environment: KotlinCoreEnvironment
+) : ScriptCompiler {
+    private val nameTables = NameTables(emptyList())
+    private val dependencies: List<ModuleDescriptor> = readLibrariesFromConfiguration(environment.configuration)
+    private val compiler = CoreScriptingJsCompiler(environment, nameTables, dependencies)
+
+    val scriptDependencyBinary = ScriptDependencyCompiler(environment, nameTables).compile(dependencies).first
+
+    override suspend fun invoke(
+        script: SourceCode,
+        scriptCompilationConfiguration: ScriptCompilationConfiguration
+    ): ResultWithDiagnostics<CompiledScript<*>> {
+        val compileResult = compiler.compile(makeReplCodeLine(0, script.text))
+        return when (compileResult) {
+            is CompiledClasses -> ResultWithDiagnostics.Success(
+                CompiledToJsScript(compileResult.data as String, scriptCompilationConfiguration)
+            )
+            is Incomplete -> ResultWithDiagnostics.Failure(
+                ScriptDiagnostic("Incomplete code")
+            )
+            is Error -> ResultWithDiagnostics.Failure(
+                ScriptDiagnostic(
+                    message = compileResult.message,
+                    severity = ScriptDiagnostic.Severity.ERROR
+                )
+            )
+        }
+    }
+}
diff --git a/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/repl/js/ScriptDependencyCompiler.kt b/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/repl/js/ScriptDependencyCompiler.kt
new file mode 100644
index 00000000000..e6198b0b92e
--- /dev/null
+++ b/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/repl/js/ScriptDependencyCompiler.kt
@@ -0,0 +1,41 @@
+/*
+ * 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.scripting.repl.js
+
+import org.jetbrains.kotlin.cli.common.repl.ReplCompileResult
+import org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment
+import org.jetbrains.kotlin.descriptors.ModuleDescriptor
+import org.jetbrains.kotlin.ir.backend.js.emptyLoggingContext
+import org.jetbrains.kotlin.ir.backend.js.lower.serialization.ir.JsIrLinker
+import org.jetbrains.kotlin.ir.backend.js.lower.serialization.ir.JsMangler
+import org.jetbrains.kotlin.ir.backend.js.utils.NameTables
+import org.jetbrains.kotlin.ir.descriptors.IrBuiltIns
+import org.jetbrains.kotlin.ir.util.SymbolTable
+
+class ScriptDependencyCompiler(
+    val environment: KotlinCoreEnvironment,
+    private val nameTables: NameTables = NameTables(emptyList())
+) {
+    fun compile(dependencies: List<ModuleDescriptor>): Pair<String, NameTables> {
+        val compiler = CoreScriptingJsCompiler(
+            environment,
+            nameTables,
+            dependencies,
+            ::createDeserializer
+        )
+        val compileResult = compiler.compile(makeReplCodeLine(0, ""))
+        return (compileResult as ReplCompileResult.CompiledClasses).data as String to nameTables
+    }
+
+    private fun createDeserializer(m: ModuleDescriptor, symbolTable: SymbolTable, irBuiltIns: IrBuiltIns): DeserializerWithDependencies {
+        val deserializer = JsIrLinker(m, JsMangler, emptyLoggingContext, irBuiltIns, symbolTable)
+        val deserializedModuleFragments = m.allDependencyModules.map {
+            deserializer.deserializeFullModule(it)
+        }
+
+        return DeserializerWithDependencies(deserializer, deserializedModuleFragments)
+    }
+}