From 524ed90e3f26205f42aaefd6cd5a3ef4144eedd4 Mon Sep 17 00:00:00 2001
From: Alexander Rose <alexander.rose@weirdbyte.de>
Date: Fri, 17 Apr 2020 20:36:20 -0700
Subject: [PATCH] lru cache set returns removed entry
---
src/mol-util/lru-cache.ts | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/src/mol-util/lru-cache.ts b/src/mol-util/lru-cache.ts
index b6f843503..b5f39b5da 100644
--- a/src/mol-util/lru-cache.ts
+++ b/src/mol-util/lru-cache.ts
@@ -43,11 +43,14 @@ namespace LRUCache {
return void 0;
}
- export function set<T>(cache: LRUCache<T>, key: string, data: T): T {
+ export function set<T>(cache: LRUCache<T>, key: string, data: T): T | undefined {
+ let removed: T | undefined = undefined;
if (cache.entries.count >= cache.capacity) {
- cache.entries.remove(cache.entries.first!);
+ const first = cache.entries.first!;
+ removed = first.value.data;
+ cache.entries.remove(first);
}
cache.entries.addLast(entry(key, data));
- return data;
+ return removed;
}
}
\ No newline at end of file
--
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