From a8623b9b287e70e77191b052cdde95f26e090ac6 Mon Sep 17 00:00:00 2001
From: Zalim Bashorov <zalim.bashorov@jetbrains.com>
Date: Wed, 27 May 2020 23:13:39 +0300
Subject: [PATCH] Make sure that library file still exists before calling
 loadMetadata from JsResolverForModuleFactory since IDE model could be
 outdated

#EA-218905 fixed
---
 .../caches/resolve/JsResolverForModuleFactory.kt   | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/idea/idea-analysis/src/org/jetbrains/kotlin/caches/resolve/JsResolverForModuleFactory.kt b/idea/idea-analysis/src/org/jetbrains/kotlin/caches/resolve/JsResolverForModuleFactory.kt
index 4d036e712e2..52de11d0adc 100644
--- a/idea/idea-analysis/src/org/jetbrains/kotlin/caches/resolve/JsResolverForModuleFactory.kt
+++ b/idea/idea-analysis/src/org/jetbrains/kotlin/caches/resolve/JsResolverForModuleFactory.kt
@@ -5,6 +5,7 @@
 
 package org.jetbrains.kotlin.caches.resolve
 
+import com.intellij.openapi.diagnostic.Logger
 import org.jetbrains.kotlin.analyzer.*
 import org.jetbrains.kotlin.config.LanguageVersionSettings
 import org.jetbrains.kotlin.container.StorageComponentContainer
@@ -25,6 +26,9 @@ import org.jetbrains.kotlin.resolve.lazy.declarations.DeclarationProviderFactory
 import org.jetbrains.kotlin.serialization.js.KotlinJavascriptSerializationUtil
 import org.jetbrains.kotlin.serialization.js.createKotlinJavascriptPackageFragmentProvider
 import org.jetbrains.kotlin.utils.KotlinJavascriptMetadataUtils
+import java.io.File
+
+private val LOG = Logger.getInstance(JsResolverForModuleFactory::class.java)
 
 class JsResolverForModuleFactory(
     private val targetEnvironment: TargetEnvironment
@@ -85,7 +89,15 @@ internal fun <M : ModuleInfo> createPackageFragmentProvider(
     }
     is LibraryModuleInfo -> {
         moduleInfo.getLibraryRoots()
-            .flatMap { KotlinJavascriptMetadataUtils.loadMetadata(it) }
+            .flatMap {
+                if (File(it).exists()) {
+                    KotlinJavascriptMetadataUtils.loadMetadata(it)
+                } else {
+                    // TODO can/should we warn a user about a problem in a library root? If so how?
+                    LOG.error("Library $it not found")
+                    emptyList()
+                }
+            }
             .filter { it.version.isCompatible() }
             .map { metadata ->
                 val (header, packageFragmentProtos) =