From 6be741934a0053ed150bb3ca7ebf76b0854dce27 Mon Sep 17 00:00:00 2001
From: Vadim Salavatov <vadim.salavatov@jetbrains.com>
Date: Thu, 14 Aug 2025 16:51:18 +0200
Subject: [PATCH] [plugins] IJPL-202170 use weak interner for ModuleIds

GitOrigin-RevId: 1122527cf2d1c0ea252d72f6b38588c2c8368f3a
---
 .../core-impl/src/com/intellij/ide/plugins/ModuleId.kt | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/platform/core-impl/src/com/intellij/ide/plugins/ModuleId.kt b/platform/core-impl/src/com/intellij/ide/plugins/ModuleId.kt
index f873a453b6b1..c7c4cdf4d683 100644
--- a/platform/core-impl/src/com/intellij/ide/plugins/ModuleId.kt
+++ b/platform/core-impl/src/com/intellij/ide/plugins/ModuleId.kt
@@ -2,6 +2,7 @@
 package com.intellij.ide.plugins
 
 import com.intellij.openapi.util.IntellijInternalApi
+import com.intellij.util.containers.Interner
 import org.jetbrains.annotations.ApiStatus
 
 /**
@@ -10,4 +11,11 @@ import org.jetbrains.annotations.ApiStatus
 @JvmInline
 @ApiStatus.Internal
 @IntellijInternalApi
-value class ModuleId(val id: String)
\ No newline at end of file
+value class ModuleId private constructor(val id: String){
+  companion object {
+    // ModuleId can be either boxed or unboxed, so only interning of value matters
+    private val interner = Interner.createWeakInterner<String>()
+
+    operator fun invoke(id: String): ModuleId = ModuleId(interner.intern(id))
+  }
+}
\ No newline at end of file