From 23928a4815b00a704aa27cecd736d2ffb820ef1a Mon Sep 17 00:00:00 2001
From: izure <izure@naver.com>
Date: Thu, 21 Nov 2024 06:19:49 +0900
Subject: [PATCH] fix: resolve potential errors during garbage collection
 process

---
 README.md                    | 2 +-
 deno.json                    | 2 +-
 package.json                 | 2 +-
 src/utils/InvertedWeakMap.ts | 7 +++++++
 4 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index ef9b01f..9e3e137 100644
--- a/README.md
+++ b/README.md
@@ -102,7 +102,7 @@ import {
     ValueComparator,
     NumericComparator,
     StringComparator
-  } from 'https://cdn.jsdelivr.net/npm/serializable-bptree@5.x.x/dist/esm/index.min.js'
+  } from 'https://cdn.jsdelivr.net/npm/serializable-bptree@5/+esm'
 </script>
 ```
 
diff --git a/deno.json b/deno.json
index c8b100d..5167da7 100644
--- a/deno.json
+++ b/deno.json
@@ -1,6 +1,6 @@
 {
   "name": "@izure/serializable-bptree",
-  "version": "5.0.2",
+  "version": "5.0.3",
   "description": "Store the B+tree flexibly, not only in-memory.",
   "author": "izure1 <admin@izure.org>",
   "license": "MIT",
diff --git a/package.json b/package.json
index 1466729..de27986 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "serializable-bptree",
-  "version": "5.0.2",
+  "version": "5.0.3",
   "description": "Store the B+tree flexibly, not only in-memory.",
   "types": "./dist/types/index.d.ts",
   "main": "./dist/cjs/index.cjs",
diff --git a/src/utils/InvertedWeakMap.ts b/src/utils/InvertedWeakMap.ts
index 64a015a..0bae4dc 100644
--- a/src/utils/InvertedWeakMap.ts
+++ b/src/utils/InvertedWeakMap.ts
@@ -12,6 +12,13 @@ export class InvertedWeakMap<K extends string|number|symbol, V extends WeakKey>
   }
 
   delete(key: K): boolean {
+    const ref = this._map.get(key)
+    if (ref) {
+      const raw = ref.deref()
+      if (raw !== undefined) {
+        this._registry.unregister(raw)
+      }
+    }
     return this._map.delete(key)
   }