From 8d61e9ba219a398f37618160746dc7ace191cdaf Mon Sep 17 00:00:00 2001
From: Roman Artemev <roman.artemev@jetbrains.com>
Date: Thu, 20 Aug 2020 16:54:28 +0300
Subject: [PATCH] [KLIB] Load `@JsExport` annotated declarations explicitly

---
 .../js/lower/serialization/ir/JsIrFileSerializer.kt | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/compiler/ir/serialization.js/src/org/jetbrains/kotlin/ir/backend/js/lower/serialization/ir/JsIrFileSerializer.kt b/compiler/ir/serialization.js/src/org/jetbrains/kotlin/ir/backend/js/lower/serialization/ir/JsIrFileSerializer.kt
index 0d21f7d468d..1f3af3546ee 100644
--- a/compiler/ir/serialization.js/src/org/jetbrains/kotlin/ir/backend/js/lower/serialization/ir/JsIrFileSerializer.kt
+++ b/compiler/ir/serialization.js/src/org/jetbrains/kotlin/ir/backend/js/lower/serialization/ir/JsIrFileSerializer.kt
@@ -9,7 +9,10 @@ import org.jetbrains.kotlin.backend.common.LoggingContext
 import org.jetbrains.kotlin.backend.common.serialization.IrFileSerializer
 import org.jetbrains.kotlin.backend.common.serialization.DeclarationTable
 import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
+import org.jetbrains.kotlin.ir.declarations.*
 import org.jetbrains.kotlin.ir.symbols.IrSymbol
+import org.jetbrains.kotlin.ir.util.hasAnnotation
+import org.jetbrains.kotlin.name.FqName
 
 class JsIrFileSerializer(
     logger: LoggingContext,
@@ -23,4 +26,12 @@ class JsIrFileSerializer(
     expectDescriptorToSymbol,
     bodiesOnlyForInlines = bodiesOnlyForInlines,
     skipExpects = skipExpects
-)
+) {
+    companion object {
+        private val JS_EXPORT_FQN = FqName("kotlin.js.JsExport")
+    }
+
+    override fun backendSpecificExplicitRoot(node: IrAnnotationContainer): Boolean {
+        return node.annotations.hasAnnotation(JS_EXPORT_FQN)
+    }
+}