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make it LRU

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Simon Knott 2024-09-02 14:23:33 +02:00
parent 57a50d0250
commit bb79be9225
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GPG key ID: 8CEDC00028084AEC
1 changed files with 8 additions and 2 deletions
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10
packages/trace-viewer/src/snapshotRenderer.ts
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@ -30,8 +30,14 @@ const cache = new Map<SnapshotRenderer, string>();
const CACHE_SIZE = 300000000; // 300mb
function cacheAndReturn(key: SnapshotRenderer, compute: () => string): string {
if (cache.has(key))
return cache.get(key)!;
if (cache.has(key)) {
const value = cache.get(key)!;
// reinserting makes this the least recently used entry
cache.delete(key);
cache.set(key, value);
return value;
}
const result = compute();