diff --git a/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/JsIrBackendContext.kt b/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/JsIrBackendContext.kt
index 6f560518646..fa6d51b1fa2 100644
--- a/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/JsIrBackendContext.kt
+++ b/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/JsIrBackendContext.kt
@@ -44,7 +44,7 @@ class JsIrBackendContext(
     val symbolTable: SymbolTable,
     irModuleFragment: IrModuleFragment,
     val additionalExportedDeclarations: Set<FqName>,
-    override val configuration: CompilerConfiguration,
+    override val configuration: CompilerConfiguration, // TODO: remove configuration from backend context
     override val scriptMode: Boolean = false
 ) : CommonBackendContext {
     override val transformedFunction = mutableMapOf<IrFunctionSymbol, IrSimpleFunctionSymbol>()
diff --git a/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/compiler.kt b/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/compiler.kt
index 629ae7a824b..db66ac4c608 100644
--- a/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/compiler.kt
+++ b/compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/compiler.kt
@@ -86,7 +86,7 @@ fun compile(
     return transformer.generateModule(moduleFragment)
 }
 
-fun compileForRepl(
+fun generateJsCode(
     context: JsIrBackendContext,
     moduleFragment: IrModuleFragment,
     nameTables: NameTables
diff --git a/libraries/scripting/js-test/test/org/jetbrains/kotlin/scripting/repl/js/test/AbstractJsReplTest.kt b/libraries/scripting/js-test/test/org/jetbrains/kotlin/scripting/repl/js/test/AbstractJsReplTest.kt
index bced0deb78e..68fb92e58a2 100644
--- a/libraries/scripting/js-test/test/org/jetbrains/kotlin/scripting/repl/js/test/AbstractJsReplTest.kt
+++ b/libraries/scripting/js-test/test/org/jetbrains/kotlin/scripting/repl/js/test/AbstractJsReplTest.kt
@@ -21,8 +21,7 @@ import org.jetbrains.kotlin.scripting.compiler.plugin.ScriptingCompilerConfigura
 import org.jetbrains.kotlin.scripting.configuration.ScriptingConfigurationKeys
 import org.jetbrains.kotlin.scripting.definitions.ScriptDefinition
 import org.jetbrains.kotlin.scripting.definitions.platform
-import org.jetbrains.kotlin.scripting.repl.js.JsReplEvaluator
-import org.jetbrains.kotlin.scripting.repl.js.ReplMessageCollector
+import org.jetbrains.kotlin.scripting.repl.js.*
 import java.io.Closeable
 import kotlin.script.experimental.api.ScriptCompilationConfiguration
 import kotlin.script.experimental.api.baseClass
@@ -31,22 +30,24 @@ import kotlin.script.experimental.host.ScriptingHostConfiguration
 import kotlin.script.experimental.jvm.JsDependency
 
 abstract class AbstractJsReplTest : Closeable {
-    abstract fun createCompiler(): ReplCompiler
-    abstract fun preprocessEvaluation()
+    protected lateinit var compilationState: JsReplCompilationState
+    protected lateinit var evaluationState: JsEvaluationState
+
+    protected abstract fun createCompilationState(): JsReplCompilationState
+    protected abstract fun createEvaluationState(): JsEvaluationState
 
     fun compile(codeLine: ReplCodeLine): ReplCompileResult {
-        return compiler.compile(compiler.createState(), codeLine)
+        return JsReplCompiler(environment).compile(compilationState, codeLine)
     }
 
     fun evaluate(compileResult: ReplCompileResult.CompiledClasses): ReplEvalResult {
-        return jsEvaluator.eval(jsEvaluator.createState(), compileResult)
+        return JsReplEvaluator().eval(evaluationState, compileResult)
     }
 
     fun reset() {
         collector.clear()
-        compiler = createCompiler()
-        jsEvaluator = JsReplEvaluator()
-        preprocessEvaluation()
+        compilationState = createCompilationState()
+        evaluationState = createEvaluationState()
     }
 
     private val collector: MessageCollector = ReplMessageCollector()
@@ -55,9 +56,6 @@ abstract class AbstractJsReplTest : Closeable {
         disposable, loadConfiguration(), EnvironmentConfigFiles.JS_CONFIG_FILES
     )
 
-    lateinit var compiler: ReplCompiler
-    lateinit var jsEvaluator: JsReplEvaluator
-
     private var snippetId: Int = 1 //index 0 for klib
     fun newSnippetId(): Int = snippetId++
 
diff --git a/libraries/scripting/js-test/test/org/jetbrains/kotlin/scripting/repl/js/test/JsReplTestAgainstBinaries.kt b/libraries/scripting/js-test/test/org/jetbrains/kotlin/scripting/repl/js/test/JsReplTestAgainstBinaries.kt
index ed562e45de5..a32158a0b6c 100644
--- a/libraries/scripting/js-test/test/org/jetbrains/kotlin/scripting/repl/js/test/JsReplTestAgainstBinaries.kt
+++ b/libraries/scripting/js-test/test/org/jetbrains/kotlin/scripting/repl/js/test/JsReplTestAgainstBinaries.kt
@@ -5,37 +5,38 @@
 
 package org.jetbrains.kotlin.scripting.repl.js.test
 
-import org.jetbrains.kotlin.cli.common.repl.ReplCompiler
 import org.jetbrains.kotlin.ir.backend.js.utils.NameTables
+import org.jetbrains.kotlin.ir.util.SymbolTable
+import org.jetbrains.kotlin.js.engine.ScriptEngineNashorn
+import org.jetbrains.kotlin.scripting.compiler.plugin.repl.ReplCodeAnalyzer
 import org.jetbrains.kotlin.scripting.repl.js.*
+import java.util.concurrent.locks.ReentrantReadWriteLock
 
+// 1. Compile dependencies
+// 2. Save them as a binary dependency (name table and js string)
+// 3. For each new state load dependency's table and js code
 class JsReplTestAgainstBinaries : AbstractJsReplTest() {
     private val dependencyLoader = DependencyLoader()
-
-    private val runtimeBinary: String
-    private val nameTable: NameTables
+    private val dependencies = readLibrariesFromConfiguration(environment.configuration)
 
     init {
-        val dependencies = readLibrariesFromConfiguration(environment.configuration)
-        val compiler = ScriptDependencyCompiler(environment)
-
-        val result = compiler.compile(dependencies)
-        runtimeBinary = result.first
-        nameTable = result.second
+        val nameTable = NameTables(emptyList())
+        val compiler = JsScriptDependencyCompiler(environment.configuration, nameTable, SymbolTable())
+        val runtimeBinary = compiler.compile(dependencies)
 
         dependencyLoader.saveScriptDependencyBinary(runtimeBinary)
         dependencyLoader.saveNames(nameTable)
     }
 
-    override fun createCompiler(): ReplCompiler {
-        return JsDebuggerCompiler(environment, dependencyLoader.loadNames())
+    override fun createCompilationState(): JsReplCompilationState {
+        val replState = ReplCodeAnalyzer.ResettableAnalyzerState()
+        return JsReplCompilationState(ReentrantReadWriteLock(), dependencyLoader.loadNames(), dependencies, replState, SymbolTable())
     }
 
-    override fun preprocessEvaluation() {
-        jsEvaluator.eval(
-            jsEvaluator.createState(),
-            createCompileResult(dependencyLoader.loadScriptDependencyBinary())
-        )
+    override fun createEvaluationState(): JsEvaluationState {
+        val state = JsEvaluationState(ReentrantReadWriteLock(), ScriptEngineNashorn())
+        JsReplEvaluator().eval(state, createCompileResult(dependencyLoader.loadScriptDependencyBinary()))
+        return state
     }
 
     override fun close() {
diff --git a/libraries/scripting/js-test/test/org/jetbrains/kotlin/scripting/repl/js/test/JsReplTestAgainstKlib.kt b/libraries/scripting/js-test/test/org/jetbrains/kotlin/scripting/repl/js/test/JsReplTestAgainstKlib.kt
index e2f51b0d68e..aca5012b6d7 100644
--- a/libraries/scripting/js-test/test/org/jetbrains/kotlin/scripting/repl/js/test/JsReplTestAgainstKlib.kt
+++ b/libraries/scripting/js-test/test/org/jetbrains/kotlin/scripting/repl/js/test/JsReplTestAgainstKlib.kt
@@ -6,21 +6,43 @@
 package org.jetbrains.kotlin.scripting.repl.js.test
 
 import com.intellij.openapi.util.Disposer
-import org.jetbrains.kotlin.cli.common.repl.ReplCompiler
+import org.jetbrains.kotlin.ir.backend.js.utils.NameTables
+import org.jetbrains.kotlin.ir.util.SymbolTable
+import org.jetbrains.kotlin.js.engine.ScriptEngineNashorn
+import org.jetbrains.kotlin.scripting.compiler.plugin.repl.ReplCodeAnalyzer
 import org.jetbrains.kotlin.scripting.repl.js.*
+import java.util.concurrent.locks.ReentrantReadWriteLock
 
 class JsReplTestAgainstKlib : AbstractJsReplTest() {
-    override fun createCompiler(): ReplCompiler = JsReplCompiler(environment)
 
-    override fun preprocessEvaluation() {
-        val scriptDependencyBinary = (compiler as JsReplCompiler).scriptDependencyBinary
+    private var dependencyCode: String? = null
 
-        jsEvaluator.eval(
-            jsEvaluator.createState(),
-            createCompileResult(scriptDependencyBinary)
+    override fun createCompilationState(): JsReplCompilationState {
+        val nameTables = NameTables(emptyList())
+        val symbolTable = SymbolTable()
+        val dependencyCompiler = JsScriptDependencyCompiler(environment.configuration, nameTables, symbolTable)
+        val dependencies = readLibrariesFromConfiguration(environment.configuration)
+        dependencyCode = dependencyCompiler.compile(dependencies)
+
+        return JsReplCompilationState(
+            ReentrantReadWriteLock(),
+            nameTables,
+            dependencies,
+            ReplCodeAnalyzer.ResettableAnalyzerState(),
+            symbolTable
         )
     }
 
+    override fun createEvaluationState(): JsEvaluationState {
+        val state = JsEvaluationState(ReentrantReadWriteLock(), ScriptEngineNashorn())
+
+        JsReplEvaluator().eval(state, createCompileResult(dependencyCode ?: error("Dependencies has to be compiled first")))
+
+        dependencyCode = null
+
+        return state
+    }
+
     override fun close() {
         Disposer.dispose(disposable)
     }
diff --git a/libraries/scripting/js/build.gradle.kts b/libraries/scripting/js/build.gradle.kts
index 43985e52d2c..03498358b88 100644
--- a/libraries/scripting/js/build.gradle.kts
+++ b/libraries/scripting/js/build.gradle.kts
@@ -7,9 +7,9 @@ jvmTarget = "1.6"
 
 dependencies {
     compile(project(":kotlin-scripting-common"))
-    compile(project(":compiler:cli-common"))
-    compile(project(":js:js.engines"))
-    compile(intellijCoreDep()) { includeJars("intellij-core") }
+    compileOnly(project(":compiler:backend.js"))
+    compileOnly(project(":compiler:cli-common"))
+    compileOnly(project(":js:js.engines"))
 }
 
 sourceSets {
diff --git a/libraries/scripting/js/src/org/jetbrains/kotlin/scripting/repl/js/JsReplEvaluator.kt b/libraries/scripting/js/src/org/jetbrains/kotlin/scripting/repl/js/JsReplEvaluator.kt
index 3e8f906a891..0d221f19403 100644
--- a/libraries/scripting/js/src/org/jetbrains/kotlin/scripting/repl/js/JsReplEvaluator.kt
+++ b/libraries/scripting/js/src/org/jetbrains/kotlin/scripting/repl/js/JsReplEvaluator.kt
@@ -11,9 +11,7 @@ import java.util.concurrent.locks.ReentrantReadWriteLock
 
 class JsReplEvaluator : ReplEvaluator {
     //TODO: support println()
-    private val engine = ScriptEngineNashorn()
-
-    override fun createState(lock: ReentrantReadWriteLock): IReplStageState<*> = JsState(lock)
+    override fun createState(lock: ReentrantReadWriteLock): IReplStageState<*> = JsEvaluationState(lock, ScriptEngineNashorn())
 
     override fun eval(
         state: IReplStageState<*>,
@@ -22,7 +20,8 @@ class JsReplEvaluator : ReplEvaluator {
         invokeWrapper: InvokeWrapper?
     ): ReplEvalResult {
         return try {
-            val evalResult = engine.eval<Any?>(compileResult.data as String)
+            val evaluationState = state.asState(JsEvaluationState::class.java)
+            val evalResult = evaluationState.engine.eval<Any?>(compileResult.data as String)
             ReplEvalResult.ValueResult("result", evalResult, "Any?")
         } catch (e: Exception) {
             ReplEvalResult.Error.Runtime("Error while evaluating", e)
diff --git a/libraries/scripting/js/src/org/jetbrains/kotlin/scripting/repl/js/JsReplUtils.kt b/libraries/scripting/js/src/org/jetbrains/kotlin/scripting/repl/js/JsReplUtils.kt
index c89f4fb9b29..b4386cbe65c 100644
--- a/libraries/scripting/js/src/org/jetbrains/kotlin/scripting/repl/js/JsReplUtils.kt
+++ b/libraries/scripting/js/src/org/jetbrains/kotlin/scripting/repl/js/JsReplUtils.kt
@@ -6,7 +6,10 @@
 package org.jetbrains.kotlin.scripting.repl.js
 
 import org.jetbrains.kotlin.cli.common.repl.*
+import org.jetbrains.kotlin.descriptors.ModuleDescriptor
 import org.jetbrains.kotlin.descriptors.ScriptDescriptor
+import org.jetbrains.kotlin.ir.backend.js.utils.NameTables
+import org.jetbrains.kotlin.js.engine.ScriptEngine
 import java.util.concurrent.locks.ReentrantReadWriteLock
 import kotlin.reflect.KClass
 import kotlin.script.experimental.api.CompiledScript
@@ -14,7 +17,7 @@ import kotlin.script.experimental.api.ResultWithDiagnostics
 import kotlin.script.experimental.api.ScriptCompilationConfiguration
 import kotlin.script.experimental.api.ScriptEvaluationConfiguration
 
-class JsState(override val lock: ReentrantReadWriteLock) : IReplStageState<ScriptDescriptor> {
+abstract class JsState(override val lock: ReentrantReadWriteLock) : IReplStageState<ScriptDescriptor> {
     override val history: IReplStageHistory<ScriptDescriptor>
         get() = TODO("not implemented")
 
@@ -23,7 +26,18 @@ class JsState(override val lock: ReentrantReadWriteLock) : IReplStageState<Scrip
 
 }
 
-class CompiledToJsScript(
+abstract class JsCompilationState(
+    lock: ReentrantReadWriteLock,
+    val nameTables: NameTables,
+    val dependencies: List<ModuleDescriptor>) : JsState(lock)
+
+class JsEvaluationState(lock: ReentrantReadWriteLock, val engine: ScriptEngine) : JsState(lock) {
+    override fun dispose() {
+        engine.release()
+    }
+}
+
+class JsCompiledScript(
     val jsCode: String,
     override val compilationConfiguration: ScriptCompilationConfiguration
 ) : CompiledScript<Any> {
diff --git a/libraries/scripting/js/src/org/jetbrains/kotlin/scripting/repl/js/JsScriptEvaluator.kt b/libraries/scripting/js/src/org/jetbrains/kotlin/scripting/repl/js/JsScriptEvaluator.kt
index f20764f8686..39708627e1f 100644
--- a/libraries/scripting/js/src/org/jetbrains/kotlin/scripting/repl/js/JsScriptEvaluator.kt
+++ b/libraries/scripting/js/src/org/jetbrains/kotlin/scripting/repl/js/JsScriptEvaluator.kt
@@ -17,7 +17,7 @@ class JsScriptEvaluator : ScriptEvaluator {
         scriptEvaluationConfiguration: ScriptEvaluationConfiguration
     ): ResultWithDiagnostics<EvaluationResult> {
         return try {
-            val evalResult = engine.eval<Any?>((compiledScript as CompiledToJsScript).jsCode)
+            val evalResult = engine.eval<Any?>((compiledScript as JsCompiledScript).jsCode)
             ResultWithDiagnostics.Success(
                 EvaluationResult(
                     ResultValue.Value(
diff --git a/libraries/scripting/jvm-host/src/kotlin/script/experimental/jvmhost/jvmScriptCompilation.kt b/libraries/scripting/jvm-host/src/kotlin/script/experimental/jvmhost/jvmScriptCompilation.kt
index 95ab67572da..81803482dac 100644
--- a/libraries/scripting/jvm-host/src/kotlin/script/experimental/jvmhost/jvmScriptCompilation.kt
+++ b/libraries/scripting/jvm-host/src/kotlin/script/experimental/jvmhost/jvmScriptCompilation.kt
@@ -7,7 +7,7 @@
 
 package kotlin.script.experimental.jvmhost
 
-import org.jetbrains.kotlin.scripting.compiler.plugin.ScriptJvmCompilerProxy
+import org.jetbrains.kotlin.scripting.compiler.plugin.ScriptCompilerProxy
 import org.jetbrains.kotlin.scripting.compiler.plugin.impl.ScriptJvmCompilerIsolated
 import kotlin.script.experimental.api.*
 import kotlin.script.experimental.host.ScriptingHostConfiguration
@@ -16,12 +16,12 @@ import kotlin.script.experimental.jvm.defaultJvmScriptingHostConfiguration
 
 open class JvmScriptCompiler(
     baseHostConfiguration: ScriptingHostConfiguration = defaultJvmScriptingHostConfiguration,
-    compilerProxy: ScriptJvmCompilerProxy? = null
+    compilerProxy: ScriptCompilerProxy? = null
 ) : ScriptCompiler {
 
     val hostConfiguration = baseHostConfiguration.withDefaultsFrom(defaultJvmScriptingHostConfiguration)
 
-    val compilerProxy: ScriptJvmCompilerProxy = compilerProxy ?: ScriptJvmCompilerIsolated(hostConfiguration)
+    val compilerProxy: ScriptCompilerProxy = compilerProxy ?: ScriptJvmCompilerIsolated(hostConfiguration)
 
     override suspend operator fun invoke(
         script: SourceCode,
diff --git a/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/AbstractScriptEvaluationExtension.kt b/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/AbstractScriptEvaluationExtension.kt
index 98e5018edc1..2a0dd045150 100644
--- a/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/AbstractScriptEvaluationExtension.kt
+++ b/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/AbstractScriptEvaluationExtension.kt
@@ -31,12 +31,7 @@ abstract class AbstractScriptEvaluationExtension : ScriptEvaluationExtension {
     ): KotlinCoreEnvironment
 
     abstract fun createScriptEvaluator(): ScriptEvaluator
-
-    abstract suspend fun compilerInvoke(
-        environment: KotlinCoreEnvironment,
-        script: SourceCode,
-        scriptCompilationConfiguration: ScriptCompilationConfiguration
-    ): ResultWithDiagnostics<CompiledScript<*>>
+    abstract fun createScriptCompiler(environment: KotlinCoreEnvironment): ScriptCompilerProxy
 
     protected abstract fun ScriptEvaluationConfiguration.Builder.platformEvaluationConfiguration()
 
@@ -82,22 +77,17 @@ abstract class AbstractScriptEvaluationExtension : ScriptEvaluationExtension {
 
         }
         val scriptCompilationConfiguration = definition.compilationConfiguration
-
-        val scriptEvaluator = createScriptEvaluator()
+        val scriptCompiler = createScriptCompiler(environment)
 
         return runBlocking {
-            val compiledScript = compilerInvoke(
-                environment,
-                script,
-                scriptCompilationConfiguration
-            ).valueOr {
+            val compiledScript = scriptCompiler.compile(script, scriptCompilationConfiguration).valueOr {
                 for (report in it.reports) {
                     messageCollector.report(report.severity.toCompilerMessageSeverity(), report.render(withSeverity = false))
                 }
                 return@runBlocking ExitCode.COMPILATION_ERROR
             }
 
-            val evalResult = scriptEvaluator.invoke(compiledScript, evaluationConfiguration).valueOr {
+            val evalResult = createScriptEvaluator().invoke(compiledScript, evaluationConfiguration).valueOr {
                 for (report in it.reports) {
                     messageCollector.report(report.severity.toCompilerMessageSeverity(), report.render(withSeverity = false))
                 }
diff --git a/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/JsScriptEvaluationExtension.kt b/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/JsScriptEvaluationExtension.kt
index 003351c8680..1961c136045 100644
--- a/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/JsScriptEvaluationExtension.kt
+++ b/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/JsScriptEvaluationExtension.kt
@@ -6,22 +6,28 @@
 package org.jetbrains.kotlin.scripting.compiler.plugin
 
 import com.intellij.core.JavaCoreProjectEnvironment
+import org.jetbrains.kotlin.cli.common.CLIConfigurationKeys
 import org.jetbrains.kotlin.cli.common.arguments.CommonCompilerArguments
 import org.jetbrains.kotlin.cli.common.arguments.K2JSCompilerArguments
+import org.jetbrains.kotlin.cli.common.repl.ReplCompileResult
 import org.jetbrains.kotlin.cli.jvm.compiler.EnvironmentConfigFiles
 import org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment
 import org.jetbrains.kotlin.config.CompilerConfiguration
+import org.jetbrains.kotlin.descriptors.ModuleDescriptor
+import org.jetbrains.kotlin.ir.backend.js.utils.NameTables
+import org.jetbrains.kotlin.ir.util.SymbolTable
+import org.jetbrains.kotlin.scripting.compiler.plugin.impl.JsScriptCompilerWithDependenciesProxy
+import org.jetbrains.kotlin.scripting.compiler.plugin.impl.withMessageCollector
 import org.jetbrains.kotlin.scripting.configuration.ScriptingConfigurationKeys
 import org.jetbrains.kotlin.scripting.definitions.ScriptDefinition
 import org.jetbrains.kotlin.scripting.definitions.platform
-import org.jetbrains.kotlin.scripting.repl.js.CompiledToJsScript
-import org.jetbrains.kotlin.scripting.repl.js.JsScriptCompiler
-import org.jetbrains.kotlin.scripting.repl.js.JsScriptDependencyCompiler
-import org.jetbrains.kotlin.scripting.repl.js.JsScriptEvaluator
+import org.jetbrains.kotlin.scripting.repl.js.*
 import kotlin.script.experimental.api.*
 import kotlin.script.experimental.host.ScriptingHostConfiguration
 import kotlin.script.experimental.jvm.JsDependency
 
+// TODO: the code below has to be considered as temporary hack and removed ASAP.
+// Actual ScriptCompilationConfiguration should be set up from CompilerConfiguration.
 fun loadScriptConfiguration(configuration: CompilerConfiguration) {
     val scriptConfiguration = ScriptCompilationConfiguration {
         baseClass("kotlin.Any")
@@ -55,37 +61,13 @@ class JsScriptEvaluationExtension : AbstractScriptEvaluationExtension() {
         return JsScriptEvaluator()
     }
 
-    private var environment: KotlinCoreEnvironment? = null
-    private var dependencyJsCode: String? = null
-    private val scriptCompiler: JsScriptCompiler by lazy {
-        val env = environment ?: error("Expected environment is initialized prior to compiler instantiation")
-        JsScriptCompiler(env).apply {
-            dependencyJsCode = JsScriptDependencyCompiler(env.configuration, nameTables, symbolTable).compile(dependencies)
-        }
+    private var scriptCompilerProxy: ScriptCompilerProxy? = null
+
+    override fun createScriptCompiler(environment: KotlinCoreEnvironment): ScriptCompilerProxy {
+        return scriptCompilerProxy ?: JsScriptCompilerWithDependenciesProxy(environment).also { scriptCompilerProxy = it }
     }
 
-    override suspend fun compilerInvoke(
-        environment: KotlinCoreEnvironment,
-        script: SourceCode,
-        scriptCompilationConfiguration: ScriptCompilationConfiguration
-    ): ResultWithDiagnostics<CompiledScript<*>> {
-
-        this.environment = environment
-
-        return scriptCompiler.invoke(script, scriptCompilationConfiguration).onSuccess {
-            val compiledResult = it as CompiledToJsScript
-            val actualResult = dependencyJsCode?.let { d ->
-                dependencyJsCode = null
-                CompiledToJsScript(d + "\n" + compiledResult.jsCode, compiledResult.compilationConfiguration)
-            } ?: compiledResult
-
-            ResultWithDiagnostics.Success(actualResult)
-        }
-    }
-
-    override fun ScriptEvaluationConfiguration.Builder.platformEvaluationConfiguration() {
-
-    }
+    override fun ScriptEvaluationConfiguration.Builder.platformEvaluationConfiguration() {}
 
     override fun isAccepted(arguments: CommonCompilerArguments): Boolean {
         return arguments is K2JSCompilerArguments
diff --git a/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/JvmCliScriptEvaluationExtension.kt b/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/JvmCliScriptEvaluationExtension.kt
index 5d7fba2b972..6d7b7cf0795 100644
--- a/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/JvmCliScriptEvaluationExtension.kt
+++ b/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/JvmCliScriptEvaluationExtension.kt
@@ -43,18 +43,8 @@ class JvmCliScriptEvaluationExtension : AbstractScriptEvaluationExtension() {
         return BasicJvmScriptEvaluator()
     }
 
-    private var environment: KotlinCoreEnvironment? = null
-    private val scriptCompiler: ScriptJvmCompilerFromEnvironment by lazy {
-        ScriptJvmCompilerFromEnvironment(environment!!)
-    }
-
-    override suspend fun compilerInvoke(
-        environment: KotlinCoreEnvironment,
-        script: SourceCode,
-        scriptCompilationConfiguration: ScriptCompilationConfiguration
-    ): ResultWithDiagnostics<CompiledScript<*>> {
-        this.environment = environment
-        return scriptCompiler.compile(script, scriptCompilationConfiguration)
+    override fun createScriptCompiler(environment: KotlinCoreEnvironment): ScriptCompilerProxy {
+        return ScriptJvmCompilerFromEnvironment(environment)
     }
 
     override fun isAccepted(arguments: CommonCompilerArguments): Boolean =
diff --git a/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/ScriptJvmCompilerProxy.kt b/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/ScriptCompilerProxy.kt
similarity index 94%
rename from plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/ScriptJvmCompilerProxy.kt
rename to plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/ScriptCompilerProxy.kt
index 1705f69897b..1acacb9eb5e 100644
--- a/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/ScriptJvmCompilerProxy.kt
+++ b/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/ScriptCompilerProxy.kt
@@ -10,7 +10,7 @@ import kotlin.script.experimental.api.ResultWithDiagnostics
 import kotlin.script.experimental.api.ScriptCompilationConfiguration
 import kotlin.script.experimental.api.SourceCode
 
-interface ScriptJvmCompilerProxy {
+interface ScriptCompilerProxy {
     fun compile(
         script: SourceCode,
         scriptCompilationConfiguration: ScriptCompilationConfiguration
diff --git a/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/impl/AbstractJsScriptlikeCodeAnalyser.kt b/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/impl/AbstractJsScriptlikeCodeAnalyser.kt
new file mode 100644
index 00000000000..2d17b784c12
--- /dev/null
+++ b/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/impl/AbstractJsScriptlikeCodeAnalyser.kt
@@ -0,0 +1,79 @@
+/*
+ * 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.compiler.plugin.impl
+
+import org.jetbrains.kotlin.builtins.KotlinBuiltIns
+import org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment
+import org.jetbrains.kotlin.cli.jvm.compiler.NoScopeRecordCliBindingTrace
+import org.jetbrains.kotlin.config.languageVersionSettings
+import org.jetbrains.kotlin.context.ContextForNewModule
+import org.jetbrains.kotlin.context.ProjectContext
+import org.jetbrains.kotlin.descriptors.ClassDescriptorWithResolutionScopes
+import org.jetbrains.kotlin.descriptors.ModuleDescriptor
+import org.jetbrains.kotlin.descriptors.PackageFragmentProvider
+import org.jetbrains.kotlin.descriptors.impl.ModuleDescriptorImpl
+import org.jetbrains.kotlin.diagnostics.Severity
+import org.jetbrains.kotlin.frontend.js.di.createTopDownAnalyzerForJs
+import org.jetbrains.kotlin.incremental.components.ExpectActualTracker
+import org.jetbrains.kotlin.incremental.components.LookupTracker
+import org.jetbrains.kotlin.name.Name
+import org.jetbrains.kotlin.psi.KtFile
+import org.jetbrains.kotlin.resolve.BindingContext
+import org.jetbrains.kotlin.resolve.BindingTraceContext
+import org.jetbrains.kotlin.resolve.TopDownAnalysisMode
+import org.jetbrains.kotlin.resolve.lazy.declarations.FileBasedDeclarationProviderFactory
+
+abstract class AbstractJsScriptlikeCodeAnalyser(
+    private val environment: KotlinCoreEnvironment,
+    private val dependencies: List<ModuleDescriptor>
+) {
+
+    protected class JsScriptAnalysisResult(
+        val moduleDescriptor: ModuleDescriptor,
+        private val scriptDescriptor: ClassDescriptorWithResolutionScopes?,
+        val bindingContext: BindingContext
+    ) {
+        val isSuccess: Boolean get() = scriptDescriptor != null
+        val script: ClassDescriptorWithResolutionScopes get() = scriptDescriptor ?: error("Error occurred")
+    }
+
+    protected fun analysisImpl(psi: KtFile): JsScriptAnalysisResult {
+        val trace: BindingTraceContext = NoScopeRecordCliBindingTrace()
+        val project = environment.project
+        val builtIns: KotlinBuiltIns = dependencies.single { it.allDependencyModules.isEmpty() }.builtIns
+        val moduleContext = ContextForNewModule(
+            ProjectContext(project, "TopDownAnalyzer for JS Script"),
+            Name.special("<script>"),
+            builtIns,
+            platform = null
+        )
+        val languageVersionSettings = environment.configuration.languageVersionSettings
+        val lookupTracker = LookupTracker.DO_NOTHING
+        val expectActualTracker = ExpectActualTracker.DoNothing
+        val additionalPackages = emptyList<PackageFragmentProvider>()
+        val moduleDescriptor = moduleContext.module
+
+        moduleDescriptor.setDependencies(dependencies.map { it as ModuleDescriptorImpl } + moduleDescriptor)
+
+        val analyzer = createTopDownAnalyzerForJs(
+            moduleContext, trace,
+            FileBasedDeclarationProviderFactory(moduleContext.storageManager, listOf(psi)),
+            languageVersionSettings,
+            lookupTracker,
+            expectActualTracker,
+            additionalPackages
+        )
+        val analyzerContext = analyzer.analyzeDeclarations(TopDownAnalysisMode.TopLevelDeclarations, listOf(psi))
+
+        val diagnostics = trace.bindingContext.diagnostics
+        val hasErrors = diagnostics.any { it.severity == Severity.ERROR }
+        val scriptDescriptor = analyzerContext.scripts[psi.script]
+
+        assert(scriptDescriptor != null || hasErrors) { "If no errors occurred script descriptor has to be existed" }
+
+        return JsScriptAnalysisResult(moduleDescriptor, scriptDescriptor, trace.bindingContext)
+    }
+}
\ No newline at end of file
diff --git a/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/impl/ScriptJsCompilerImpls.kt b/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/impl/ScriptJsCompilerImpls.kt
new file mode 100644
index 00000000000..2feaf219856
--- /dev/null
+++ b/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/impl/ScriptJsCompilerImpls.kt
@@ -0,0 +1,61 @@
+/*
+ * 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.compiler.plugin.impl
+
+import org.jetbrains.kotlin.cli.common.CLIConfigurationKeys
+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 org.jetbrains.kotlin.ir.util.SymbolTable
+import org.jetbrains.kotlin.scripting.compiler.plugin.ScriptCompilerProxy
+import org.jetbrains.kotlin.scripting.repl.js.JsCompiledScript
+import org.jetbrains.kotlin.scripting.repl.js.JsCoreScriptingCompiler
+import org.jetbrains.kotlin.scripting.repl.js.JsScriptDependencyCompiler
+import org.jetbrains.kotlin.scripting.repl.js.readLibrariesFromConfiguration
+import kotlin.script.experimental.api.*
+
+class JsScriptCompilerWithDependenciesProxy(private val environment: KotlinCoreEnvironment) : ScriptCompilerProxy {
+    private val nameTables = NameTables(emptyList())
+    private val symbolTable = SymbolTable()
+    private val dependencies: List<ModuleDescriptor> = readLibrariesFromConfiguration(environment.configuration)
+    private val compiler = JsCoreScriptingCompiler(environment, nameTables, symbolTable, dependencies)
+    private var scriptDependencyCompiler: JsScriptDependencyCompiler? =
+        JsScriptDependencyCompiler(environment.configuration, nameTables, symbolTable)
+
+    override fun compile(
+        script: SourceCode,
+        scriptCompilationConfiguration: ScriptCompilationConfiguration
+    ): ResultWithDiagnostics<CompiledScript<*>> {
+        val parentMessageCollector = environment.configuration[CLIConfigurationKeys.MESSAGE_COLLECTOR_KEY]
+        return withMessageCollector(script = script, parentMessageCollector = parentMessageCollector) { messageCollector ->
+            environment.configuration.put(CLIConfigurationKeys.MESSAGE_COLLECTOR_KEY, messageCollector)
+            try {
+                val dependenciesCode = scriptDependencyCompiler?.let { scriptDependencyCompiler = null; it.compile(dependencies) } ?: ""
+                when (val compileResult = compiler.compile(org.jetbrains.kotlin.scripting.repl.js.makeReplCodeLine(0, script.text))) {
+                    is ReplCompileResult.CompiledClasses -> {
+                        val compileJsCode = compileResult.data as String
+                        ResultWithDiagnostics.Success(
+                            JsCompiledScript(dependenciesCode + "\n" + compileJsCode, scriptCompilationConfiguration)
+                        )
+                    }
+                    is ReplCompileResult.Incomplete -> ResultWithDiagnostics.Failure(
+                        ScriptDiagnostic("Incomplete code")
+                    )
+                    is ReplCompileResult.Error -> ResultWithDiagnostics.Failure(
+                        ScriptDiagnostic(
+                            message = compileResult.message,
+                            severity = ScriptDiagnostic.Severity.ERROR
+                        )
+                    )
+                }
+            } finally {
+                if (parentMessageCollector != null)
+                    environment.configuration.put(CLIConfigurationKeys.MESSAGE_COLLECTOR_KEY, parentMessageCollector)
+            }
+        }
+    }
+}
diff --git a/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/impl/ScriptJvmCompilerImpls.kt b/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/impl/ScriptJvmCompilerImpls.kt
index 8e9a74c027c..0c6756d7961 100644
--- a/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/impl/ScriptJvmCompilerImpls.kt
+++ b/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/compiler/plugin/impl/ScriptJvmCompilerImpls.kt
@@ -19,7 +19,7 @@ import org.jetbrains.kotlin.config.CompilerConfiguration
 import org.jetbrains.kotlin.config.languageVersionSettings
 import org.jetbrains.kotlin.psi.KtFile
 import org.jetbrains.kotlin.resolve.jvm.extensions.PackageFragmentProviderExtension
-import org.jetbrains.kotlin.scripting.compiler.plugin.ScriptJvmCompilerProxy
+import org.jetbrains.kotlin.scripting.compiler.plugin.ScriptCompilerProxy
 import org.jetbrains.kotlin.scripting.compiler.plugin.dependencies.ScriptsCompilationDependencies
 import org.jetbrains.kotlin.scripting.definitions.ScriptDependenciesProvider
 import kotlin.script.experimental.api.*
@@ -30,7 +30,7 @@ import kotlin.script.experimental.jvm.compilationCache
 import kotlin.script.experimental.jvm.impl.KJvmCompiledScript
 import kotlin.script.experimental.jvm.jvm
 
-class ScriptJvmCompilerIsolated(val hostConfiguration: ScriptingHostConfiguration) : ScriptJvmCompilerProxy {
+class ScriptJvmCompilerIsolated(val hostConfiguration: ScriptingHostConfiguration) : ScriptCompilerProxy {
 
     override fun compile(
         script: SourceCode,
@@ -50,7 +50,7 @@ class ScriptJvmCompilerIsolated(val hostConfiguration: ScriptingHostConfiguratio
         }
 }
 
-class ScriptJvmCompilerFromEnvironment(val environment: KotlinCoreEnvironment) : ScriptJvmCompilerProxy {
+class ScriptJvmCompilerFromEnvironment(val environment: KotlinCoreEnvironment) : ScriptCompilerProxy {
 
     override fun compile(
         script: SourceCode,
diff --git a/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/repl/js/CoreScriptingJsCompiler.kt b/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/repl/js/JsCoreScriptingCompiler.kt
similarity index 56%
rename from plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/repl/js/CoreScriptingJsCompiler.kt
rename to plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/repl/js/JsCoreScriptingCompiler.kt
index fab17a3c0d0..7b32f1ce4f7 100644
--- a/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/repl/js/CoreScriptingJsCompiler.kt
+++ b/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/repl/js/JsCoreScriptingCompiler.kt
@@ -9,40 +9,36 @@ import org.jetbrains.kotlin.cli.common.CLIConfigurationKeys
 import org.jetbrains.kotlin.cli.common.environment.setIdeaIoUseFallback
 import org.jetbrains.kotlin.cli.common.messages.AnalyzerWithCompilerReport
 import org.jetbrains.kotlin.cli.common.messages.MessageCollector
-import org.jetbrains.kotlin.cli.common.repl.*
+import org.jetbrains.kotlin.cli.common.repl.LineId
+import org.jetbrains.kotlin.cli.common.repl.ReplCodeLine
+import org.jetbrains.kotlin.cli.common.repl.ReplCompileResult
 import org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment
 import org.jetbrains.kotlin.config.languageVersionSettings
 import org.jetbrains.kotlin.descriptors.ModuleDescriptor
-import org.jetbrains.kotlin.ir.backend.js.*
+import org.jetbrains.kotlin.ir.backend.js.JsIrBackendContext
+import org.jetbrains.kotlin.ir.backend.js.generateJsCode
+import org.jetbrains.kotlin.ir.backend.js.generateModuleFragment
 import org.jetbrains.kotlin.ir.backend.js.utils.NameTables
-import org.jetbrains.kotlin.ir.declarations.IrModuleFragment
-import org.jetbrains.kotlin.ir.descriptors.IrBuiltIns
 import org.jetbrains.kotlin.ir.util.ExternalDependenciesGenerator
-import org.jetbrains.kotlin.ir.util.IrDeserializer
 import org.jetbrains.kotlin.ir.util.SymbolTable
 import org.jetbrains.kotlin.js.config.JSConfigurationKeys
 import org.jetbrains.kotlin.psi2ir.Psi2IrTranslator
+import org.jetbrains.kotlin.scripting.compiler.plugin.repl.ReplCodeAnalyzer
 import org.jetbrains.kotlin.serialization.js.ModuleKind
 import kotlin.script.experimental.api.valueOr
 import kotlin.script.experimental.host.StringScriptSource
 
-class DeserializerWithDependencies(val deserializer: IrDeserializer, val dependencies: List<IrModuleFragment>)
-
-class CoreScriptingJsCompiler(
+class JsCoreScriptingCompiler(
     private val environment: KotlinCoreEnvironment,
     private val nameTables: NameTables,
+    private val symbolTable: SymbolTable,
     private val dependencyDescriptors: List<ModuleDescriptor>,
-    private val createDeserializer: (ModuleDescriptor, SymbolTable, IrBuiltIns) -> DeserializerWithDependencies? = { _, _, _ -> null }
+    private val replState: ReplCodeAnalyzer.ResettableAnalyzerState = ReplCodeAnalyzer.ResettableAnalyzerState()
 ) {
-    private val analyzerEngine: JsReplCodeAnalyzer = JsReplCodeAnalyzer(environment.project, dependencyDescriptors)
-    private val symbolTable: SymbolTable = SymbolTable()
-
     fun compile(codeLine: ReplCodeLine): ReplCompileResult {
         val snippet = codeLine.code
         val snippetId = codeLine.no
 
-        val messageCollector = environment.configuration[CLIConfigurationKeys.MESSAGE_COLLECTOR_KEY] as MessageCollector
-
         setIdeaIoUseFallback()
 
         val sourceCode = StringScriptSource(snippet, "line-$snippetId.kts")
@@ -52,28 +48,20 @@ class CoreScriptingJsCompiler(
             environment.project
         ).valueOr { return ReplCompileResult.Error(it.reports.joinToString { r -> r.message }) }
 
-        analyzerEngine.analyzeReplLine(snippetKtFile, codeLine).also {
-            AnalyzerWithCompilerReport.reportDiagnostics(it, messageCollector)
+        val messageCollector = environment.configuration[CLIConfigurationKeys.MESSAGE_COLLECTOR_KEY] as MessageCollector
+        val analyzerEngine = JsReplCodeAnalyzer(environment, dependencyDescriptors, replState)
+        val analysisResult = analyzerEngine.analyzeReplLine(snippetKtFile, codeLine).also {
+            AnalyzerWithCompilerReport.reportDiagnostics(it.bindingContext.diagnostics, messageCollector)
             if (messageCollector.hasErrors()) return ReplCompileResult.Error("Error while analysis")
         }
 
+        val module = analysisResult.moduleDescriptor
+        val bindingContext = analysisResult.bindingContext
+
         val psi2ir = Psi2IrTranslator(environment.configuration.languageVersionSettings)
-        val psi2irContext = psi2ir.createGeneratorContext(
-            analyzerEngine.context.module,
-            analyzerEngine.trace.bindingContext,
-            symbolTable
-        )
-
-        val deserializerWithDependencies = createDeserializer(psi2irContext.moduleDescriptor, symbolTable, psi2irContext.irBuiltIns)
-
-        val irModuleFragment = psi2irContext.generateModuleFragment(listOf(snippetKtFile), deserializerWithDependencies?.deserializer)
-
-        val deserializedFragments = deserializerWithDependencies?.dependencies ?: emptyList()
-
-        val irFiles = sortDependencies(deserializedFragments).flatMap { it.files } + irModuleFragment.files
-        irModuleFragment.files.clear()
-        irModuleFragment.files += irFiles
+        val psi2irContext = psi2ir.createGeneratorContext(module, bindingContext, symbolTable)
 
+        val irModuleFragment = psi2irContext.generateModuleFragment(listOf(snippetKtFile))
 
         val context = JsIrBackendContext(
             irModuleFragment.descriptor,
@@ -88,28 +76,13 @@ class CoreScriptingJsCompiler(
         ExternalDependenciesGenerator(
             irModuleFragment.descriptor,
             psi2irContext.symbolTable,
-            psi2irContext.irBuiltIns,
-            deserializer = deserializerWithDependencies?.deserializer
+            psi2irContext.irBuiltIns
         ).generateUnboundSymbolsAsDependencies()
 
-        with(context.implicitDeclarationFile) {
-            if (!irModuleFragment.files.contains(this)) {
-                irModuleFragment.files += this
-            }
-        }
-        context.implicitDeclarationFile.declarations.clear()
-
         environment.configuration.put(JSConfigurationKeys.MODULE_KIND, ModuleKind.PLAIN)
 
-        val code = compileForRepl(
-            context,
-            irModuleFragment,
-            nameTables
-        )
+        val code = generateJsCode(context, irModuleFragment, nameTables)
 
-        return createCompileResult(
-            LineId(codeLine),
-            code
-        )
+        return createCompileResult(LineId(codeLine), code)
     }
 }
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
deleted file mode 100644
index e611a3dde02..00000000000
--- a/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/repl/js/JsDebuggerCompiler.kt
+++ /dev/null
@@ -1,35 +0,0 @@
-/*
- * 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/JsReplCodeAnalyzer.kt b/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/repl/js/JsReplCodeAnalyzer.kt
index 60cdbc3e033..041a2579350 100644
--- a/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/repl/js/JsReplCodeAnalyzer.kt
+++ b/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/repl/js/JsReplCodeAnalyzer.kt
@@ -5,82 +5,33 @@
 
 package org.jetbrains.kotlin.scripting.repl.js
 
-import com.intellij.openapi.project.Project
-import org.jetbrains.kotlin.builtins.KotlinBuiltIns
+import org.jetbrains.kotlin.analyzer.AnalysisResult
 import org.jetbrains.kotlin.cli.common.repl.ReplCodeLine
-import org.jetbrains.kotlin.cli.jvm.compiler.NoScopeRecordCliBindingTrace
-import org.jetbrains.kotlin.config.LanguageVersionSettingsImpl
-import org.jetbrains.kotlin.context.ContextForNewModule
-import org.jetbrains.kotlin.context.MutableModuleContext
-import org.jetbrains.kotlin.context.ProjectContext
+import org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment
 import org.jetbrains.kotlin.descriptors.ModuleDescriptor
-import org.jetbrains.kotlin.descriptors.PackageFragmentProvider
-import org.jetbrains.kotlin.descriptors.impl.ModuleDescriptorImpl
-import org.jetbrains.kotlin.diagnostics.Severity
-import org.jetbrains.kotlin.frontend.js.di.createTopDownAnalyzerForJs
-import org.jetbrains.kotlin.incremental.components.ExpectActualTracker
-import org.jetbrains.kotlin.incremental.components.LookupTracker
-import org.jetbrains.kotlin.name.Name
 import org.jetbrains.kotlin.psi.KtFile
-import org.jetbrains.kotlin.resolve.BindingTraceContext
-import org.jetbrains.kotlin.resolve.LazyTopDownAnalyzer
-import org.jetbrains.kotlin.resolve.TopDownAnalysisMode
-import org.jetbrains.kotlin.resolve.diagnostics.Diagnostics
-import org.jetbrains.kotlin.resolve.lazy.declarations.FileBasedDeclarationProviderFactory
+import org.jetbrains.kotlin.scripting.compiler.plugin.impl.AbstractJsScriptlikeCodeAnalyser
 import org.jetbrains.kotlin.scripting.compiler.plugin.repl.ReplCodeAnalyzer
 import org.jetbrains.kotlin.scripting.definitions.ScriptPriorities
 
-class JsReplCodeAnalyzer(private val project: Project, private val dependencies: List<ModuleDescriptor>) {
-
-    private val replState = ReplCodeAnalyzer.ResettableAnalyzerState()
-    val trace: BindingTraceContext = NoScopeRecordCliBindingTrace()
-
-    private val builtIns: KotlinBuiltIns = dependencies.single { it.allDependencyModules.isEmpty() }.builtIns
-    lateinit var context: MutableModuleContext
-    private fun createTopDownAnalyzerJS(files: Collection<KtFile>): LazyTopDownAnalyzer {
-        context = ContextForNewModule(
-            ProjectContext(project, "TopDownAnalyzer for JS"),
-            Name.special("<script>"),
-            builtIns,
-            platform = null
-        )
-
-        val languageVersionSettings = LanguageVersionSettingsImpl.DEFAULT
-        val lookupTracker = LookupTracker.DO_NOTHING
-        val expectActualTracker = ExpectActualTracker.DoNothing
-        val additionalPackages = mutableListOf<PackageFragmentProvider>()
-
-        context.module.setDependencies(dependencies.map { it as ModuleDescriptorImpl } + context.module)
-
-        return createTopDownAnalyzerForJs(
-            context, trace,
-            FileBasedDeclarationProviderFactory(context.storageManager, files),
-            languageVersionSettings,
-            lookupTracker,
-            expectActualTracker,
-            additionalPackages
-        )
-    }
-
-    fun analyzeReplLine(linePsi: KtFile, codeLine: ReplCodeLine): Diagnostics {
-        trace.clearDiagnostics()
+class JsReplCodeAnalyzer(
+    environment: KotlinCoreEnvironment,
+    dependencies: List<ModuleDescriptor>,
+    private val replState: ReplCodeAnalyzer.ResettableAnalyzerState
+) : AbstractJsScriptlikeCodeAnalyser(environment, dependencies) {
 
+    fun analyzeReplLine(linePsi: KtFile, codeLine: ReplCodeLine): AnalysisResult {
         linePsi.script!!.putUserData(ScriptPriorities.PRIORITY_KEY, codeLine.no)
-
         replState.submitLine(linePsi, codeLine)
 
-        val analyzer = createTopDownAnalyzerJS(listOf(linePsi))
-        val context = analyzer.analyzeDeclarations(TopDownAnalysisMode.TopLevelDeclarations, listOf(linePsi))
+        val result = analysisImpl(linePsi)
 
-        val diagnostics = trace.bindingContext.diagnostics
-        val hasErrors = diagnostics.any { it.severity == Severity.ERROR }
-
-        if (hasErrors) {
-            replState.lineFailure(linePsi, codeLine)
+        return if (result.isSuccess) {
+            replState.lineSuccess(linePsi, codeLine, result.script)
+            AnalysisResult.success(result.bindingContext, result.moduleDescriptor)
         } else {
-            val scriptDescriptor = context.scripts[linePsi.script]!!
-            replState.lineSuccess(linePsi, codeLine, scriptDescriptor)
+            replState.lineFailure(linePsi, codeLine)
+            AnalysisResult.compilationError(result.bindingContext)
         }
-        return diagnostics
     }
 }
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
index 7be7820c90f..ef7a7399fef 100644
--- 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
@@ -7,21 +7,22 @@ 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 org.jetbrains.kotlin.ir.util.SymbolTable
+import org.jetbrains.kotlin.scripting.compiler.plugin.repl.ReplCodeAnalyzer
 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)
+// Used to compile REPL code lines
+class JsReplCompiler(private val environment: KotlinCoreEnvironment) : ReplCompiler {
 
     override fun createState(lock: ReentrantReadWriteLock): IReplStageState<*> {
-        return JsState(lock)
+        return JsReplCompilationState(
+            lock,
+            NameTables(emptyList()),
+            readLibrariesFromConfiguration(environment.configuration),
+            ReplCodeAnalyzer.ResettableAnalyzerState(),
+            SymbolTable()
+        )
     }
 
     override fun check(state: IReplStageState<*>, codeLine: ReplCodeLine): ReplCheckResult {
@@ -29,6 +30,13 @@ class JsReplCompiler(
     }
 
     override fun compile(state: IReplStageState<*>, codeLine: ReplCodeLine): ReplCompileResult {
-        return compiler.compile(codeLine)
+        val compilationState = state.asState(JsReplCompilationState::class.java)
+        return JsCoreScriptingCompiler(
+            environment,
+            compilationState.nameTables,
+            compilationState.symbolTable,
+            compilationState.dependencies,
+            compilationState.replState
+        ).compile(codeLine)
     }
 }
diff --git a/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/repl/js/JsReplUtils.kt b/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/repl/js/JsReplUtils.kt
index e35c11ec726..f403beb04df 100644
--- a/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/repl/js/JsReplUtils.kt
+++ b/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/repl/js/JsReplUtils.kt
@@ -18,13 +18,16 @@ import org.jetbrains.kotlin.idea.KotlinLanguage
 import org.jetbrains.kotlin.ir.backend.js.loadKlib
 import org.jetbrains.kotlin.ir.backend.js.getModuleDescriptorByLibrary
 import org.jetbrains.kotlin.ir.backend.js.utils.NameTables
+import org.jetbrains.kotlin.ir.util.SymbolTable
 import org.jetbrains.kotlin.psi.KtFile
 import org.jetbrains.kotlin.psi.KtScript
+import org.jetbrains.kotlin.scripting.compiler.plugin.repl.ReplCodeAnalyzer
 import org.jetbrains.kotlin.scripting.configuration.ScriptingConfigurationKeys
 import org.jetbrains.kotlin.scripting.resolve.ScriptLightVirtualFile
 import org.jetbrains.kotlin.utils.addToStdlib.firstIsInstanceOrNull
 import java.io.*
 import java.nio.charset.Charset
+import java.util.concurrent.locks.ReentrantReadWriteLock
 import kotlin.script.experimental.api.*
 import kotlin.script.experimental.host.FileBasedScriptSource
 import kotlin.script.experimental.jvm.JsDependency
@@ -180,3 +183,12 @@ class DependencyLoader {
         }
     }
 }
+
+class JsReplCompilationState(
+    lock: ReentrantReadWriteLock,
+    nameTables: NameTables,
+    dependencies: List<ModuleDescriptor>,
+    val replState: ReplCodeAnalyzer.ResettableAnalyzerState,
+    val symbolTable: SymbolTable
+) : JsCompilationState(lock, nameTables, dependencies)
+
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
deleted file mode 100644
index 0050ffe6d90..00000000000
--- a/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/repl/js/JsScriptCompiler.kt
+++ /dev/null
@@ -1,43 +0,0 @@
-/*
- * 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/JsScriptDependencyCompiler.kt b/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/repl/js/JsScriptDependencyCompiler.kt
new file mode 100644
index 00000000000..9122884193e
--- /dev/null
+++ b/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/repl/js/JsScriptDependencyCompiler.kt
@@ -0,0 +1,86 @@
+/*
+ * 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.builtins.KotlinBuiltIns
+import org.jetbrains.kotlin.config.CompilerConfiguration
+import org.jetbrains.kotlin.config.LanguageVersionSettingsImpl
+import org.jetbrains.kotlin.descriptors.ModuleDescriptor
+import org.jetbrains.kotlin.descriptors.PackageFragmentProvider
+import org.jetbrains.kotlin.descriptors.impl.ModuleDescriptorImpl
+import org.jetbrains.kotlin.ir.backend.js.JsIrBackendContext
+import org.jetbrains.kotlin.ir.backend.js.generateJsCode
+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.declarations.impl.IrModuleFragmentImpl
+import org.jetbrains.kotlin.ir.descriptors.IrBuiltIns
+import org.jetbrains.kotlin.ir.util.*
+import org.jetbrains.kotlin.js.config.JSConfigurationKeys
+import org.jetbrains.kotlin.name.Name
+import org.jetbrains.kotlin.serialization.js.ModuleKind
+import org.jetbrains.kotlin.storage.LockBasedStorageManager
+
+// Transforms klib into js code in script-friendly way
+class JsScriptDependencyCompiler(
+    private val configuration: CompilerConfiguration,
+    private val nameTables: NameTables,
+    private val symbolTable: SymbolTable
+) {
+    fun compile(dependencies: List<ModuleDescriptor>): String {
+        val builtIns: KotlinBuiltIns = dependencies.single { it.allDependencyModules.isEmpty() }.builtIns
+        val languageVersionSettings = LanguageVersionSettingsImpl.DEFAULT
+        val moduleName = Name.special("<script-dependencies>")
+        val storageManager = LockBasedStorageManager.NO_LOCKS
+        val moduleDescriptor = ModuleDescriptorImpl(moduleName, storageManager, builtIns, null).also {
+            it.setDependencies(dependencies.map { d -> d as ModuleDescriptorImpl } + it)
+            it.initialize(PackageFragmentProvider.Empty)
+        }
+
+        val typeTranslator = TypeTranslator(symbolTable, languageVersionSettings, moduleDescriptor.builtIns).also {
+            it.constantValueGenerator = ConstantValueGenerator(moduleDescriptor, symbolTable)
+        }
+
+        val irBuiltIns = IrBuiltIns(builtIns, typeTranslator, symbolTable)
+        val jsLinker = JsIrLinker(moduleDescriptor, JsMangler, emptyLoggingContext, irBuiltIns, symbolTable)
+
+        val moduleFragment = IrModuleFragmentImpl(moduleDescriptor, irBuiltIns)
+        val irDependencies = dependencies.map { jsLinker.deserializeFullModule(it) }
+
+        ExternalDependenciesGenerator(
+            moduleDescriptor = moduleDescriptor,
+            symbolTable = symbolTable,
+            irBuiltIns = irBuiltIns,
+            deserializer = jsLinker
+        ).generateUnboundSymbolsAsDependencies()
+        moduleFragment.patchDeclarationParents()
+
+        val backendContext = JsIrBackendContext(
+            moduleDescriptor,
+            irBuiltIns,
+            symbolTable,
+            moduleFragment,
+            emptySet(),
+            configuration,
+            true
+        )
+
+        ExternalDependenciesGenerator(
+            moduleDescriptor = moduleDescriptor,
+            symbolTable = symbolTable,
+            irBuiltIns = irBuiltIns,
+            deserializer = jsLinker
+        ).generateUnboundSymbolsAsDependencies()
+        moduleFragment.patchDeclarationParents()
+
+        moduleFragment.files += irDependencies.flatMap { it.files }
+
+        configuration.put(JSConfigurationKeys.MODULE_KIND, ModuleKind.PLAIN)
+
+        return generateJsCode(backendContext, moduleFragment, nameTables)
+    }
+}
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
deleted file mode 100644
index e6198b0b92e..00000000000
--- a/plugins/scripting/scripting-compiler/src/org/jetbrains/kotlin/scripting/repl/js/ScriptDependencyCompiler.kt
+++ /dev/null
@@ -1,41 +0,0 @@
-/*
- * 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)
-    }
-}