diff --git a/compiler/cli/src/org/jetbrains/kotlin/cli/js/K2JSCompiler.java b/compiler/cli/src/org/jetbrains/kotlin/cli/js/K2JSCompiler.java
index 9a11a20d811..5af4668fc31 100644
--- a/compiler/cli/src/org/jetbrains/kotlin/cli/js/K2JSCompiler.java
+++ b/compiler/cli/src/org/jetbrains/kotlin/cli/js/K2JSCompiler.java
@@ -49,6 +49,7 @@ import org.jetbrains.kotlin.config.CommonConfigurationKeys;
 import org.jetbrains.kotlin.config.CompilerConfiguration;
 import org.jetbrains.kotlin.config.Services;
 import org.jetbrains.kotlin.js.analyze.TopDownAnalyzerFacadeForJS;
+import org.jetbrains.kotlin.js.analyzer.JsAnalysisResult;
 import org.jetbrains.kotlin.js.config.Config;
 import org.jetbrains.kotlin.js.config.EcmaVersion;
 import org.jetbrains.kotlin.js.config.LibrarySourcesConfig;
@@ -128,10 +129,15 @@ public class K2JSCompiler extends CLICompiler<K2JSCompilerArguments> {
             return COMPILATION_ERROR;
         }
 
-        if (analyzeAndReportErrors(messageCollector, sourcesFiles, config)) {
+        AnalyzerWithCompilerReport analyzerWithCompilerReport = analyzeAndReportErrors(messageCollector, sourcesFiles, config);
+        if (analyzerWithCompilerReport.hasErrors()) {
             return COMPILATION_ERROR;
         }
 
+        AnalysisResult analysisResult = analyzerWithCompilerReport.getAnalysisResult();
+        assert analysisResult instanceof JsAnalysisResult : "analysisResult should be instance of JsAnalysisResult, but " + analysisResult;
+        JsAnalysisResult jsAnalysisResult = (JsAnalysisResult) analysisResult;
+
         File outputPrefixFile = null;
         if (arguments.outputPrefix != null) {
             outputPrefixFile = new File(arguments.outputPrefix);
@@ -160,7 +166,7 @@ public class K2JSCompiler extends CLICompiler<K2JSCompilerArguments> {
         K2JSTranslator translator = new K2JSTranslator(config);
         try {
             //noinspection unchecked
-            translationResult = translator.translate(sourcesFiles, mainCallParameters);
+            translationResult = translator.translate(sourcesFiles, mainCallParameters, jsAnalysisResult);
         } catch (Exception e) {
             throw new RuntimeException(e);
         }
@@ -204,7 +210,7 @@ public class K2JSCompiler extends CLICompiler<K2JSCompilerArguments> {
                                 CompilerMessageLocation.NO_LOCATION);
     }
 
-    private static boolean analyzeAndReportErrors(@NotNull MessageCollector messageCollector,
+    private static AnalyzerWithCompilerReport analyzeAndReportErrors(@NotNull MessageCollector messageCollector,
             @NotNull final List<JetFile> sources, @NotNull final Config config) {
         AnalyzerWithCompilerReport analyzerWithCompilerReport = new AnalyzerWithCompilerReport(messageCollector);
         analyzerWithCompilerReport.analyzeAndReport(sources, new Function0<AnalysisResult>() {
@@ -213,7 +219,7 @@ public class K2JSCompiler extends CLICompiler<K2JSCompilerArguments> {
                 return TopDownAnalyzerFacadeForJS.analyzeFiles(sources, config);
             }
         });
-        return analyzerWithCompilerReport.hasErrors();
+        return analyzerWithCompilerReport;
     }
 
     @NotNull
diff --git a/js/js.translator/src/org/jetbrains/kotlin/js/facade/K2JSTranslator.java b/js/js.translator/src/org/jetbrains/kotlin/js/facade/K2JSTranslator.java
index f3d0fdebbc2..31070a8d462 100644
--- a/js/js.translator/src/org/jetbrains/kotlin/js/facade/K2JSTranslator.java
+++ b/js/js.translator/src/org/jetbrains/kotlin/js/facade/K2JSTranslator.java
@@ -16,46 +16,24 @@
 
 package org.jetbrains.kotlin.js.facade;
 
-import com.google.dart.compiler.backend.js.ast.JsNode;
 import com.google.dart.compiler.backend.js.ast.JsProgram;
-import com.google.dart.compiler.util.TextOutputImpl;
-import com.intellij.openapi.project.Project;
-import com.intellij.openapi.util.text.StringUtil;
-import com.intellij.openapi.vfs.VfsUtilCore;
-import com.intellij.openapi.vfs.VirtualFile;
-import com.intellij.util.Consumer;
-import com.intellij.util.Function;
-import com.intellij.util.SmartList;
-import com.intellij.util.containers.ContainerUtil;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
-import org.jetbrains.kotlin.backend.common.output.OutputFileCollection;
-import org.jetbrains.kotlin.backend.common.output.SimpleOutputFile;
-import org.jetbrains.kotlin.backend.common.output.SimpleOutputFileCollection;
 import org.jetbrains.kotlin.descriptors.ModuleDescriptor;
 import org.jetbrains.kotlin.js.analyze.TopDownAnalyzerFacadeForJS;
 import org.jetbrains.kotlin.js.analyzer.JsAnalysisResult;
 import org.jetbrains.kotlin.js.config.Config;
 import org.jetbrains.kotlin.js.facade.exceptions.TranslationException;
 import org.jetbrains.kotlin.js.inline.JsInliner;
-import org.jetbrains.kotlin.js.sourceMap.JsSourceGenerationVisitor;
-import org.jetbrains.kotlin.js.sourceMap.SourceMap3Builder;
-import org.jetbrains.kotlin.js.sourceMap.SourceMapBuilder;
 import org.jetbrains.kotlin.js.translate.context.TranslationContext;
 import org.jetbrains.kotlin.js.translate.general.Translation;
 import org.jetbrains.kotlin.psi.JetFile;
 import org.jetbrains.kotlin.resolve.BindingTrace;
 import org.jetbrains.kotlin.resolve.diagnostics.Diagnostics;
-import org.jetbrains.kotlin.utils.fileUtils.FileUtilsPackage;
 
-import java.io.File;
-import java.io.IOException;
-import java.util.Collections;
 import java.util.List;
 
 import static org.jetbrains.kotlin.diagnostics.DiagnosticUtils.hasError;
-import static org.jetbrains.kotlin.js.facade.FacadeUtils.parseString;
-import static org.jetbrains.kotlin.psi.PsiPackage.JetPsiFactory;
 
 /**
  * An entry point of translator.
@@ -77,7 +55,19 @@ public final class K2JSTranslator {
             @NotNull List<JetFile> files,
             @NotNull MainCallParameters mainCallParameters
     ) throws TranslationException {
-        JsAnalysisResult analysisResult = TopDownAnalyzerFacadeForJS.analyzeFiles(files, config);
+        return translate(files, mainCallParameters, null);
+    }
+
+    @NotNull
+    public TranslationResult translate(
+            @NotNull List<JetFile> files,
+            @NotNull MainCallParameters mainCallParameters,
+            @Nullable JsAnalysisResult analysisResult
+    ) throws TranslationException {
+        if (analysisResult == null) {
+            analysisResult = TopDownAnalyzerFacadeForJS.analyzeFiles(files, config);
+        }
+
         BindingTrace bindingTrace = analysisResult.getBindingTrace();
         TopDownAnalyzerFacadeForJS.checkForErrors(Config.withJsLibAdded(files, config), bindingTrace.getBindingContext());
         ModuleDescriptor moduleDescriptor = analysisResult.getModuleDescriptor();