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rename, use cache.entries

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Simon Knott 2024-09-04 09:29:29 +02:00
parent f8d9dd3452
commit 4d124dfb46
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GPG key ID: 8CEDC00028084AEC
1 changed files with 5 additions and 5 deletions
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10
packages/trace-viewer/src/snapshotRenderer.ts
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@ -29,7 +29,7 @@ let cacheSize = 0;
const cache = new Map<SnapshotRenderer, string>(); const cache = new Map<SnapshotRenderer, string>();
const CACHE_SIZE = 300000000; // 300mb const CACHE_SIZE = 300000000; // 300mb
function cacheAndReturn(key: SnapshotRenderer, compute: () => string): string { function lruCache(key: SnapshotRenderer, compute: () => string): string {
if (cache.has(key)) { if (cache.has(key)) {
const value = cache.get(key)!; const value = cache.get(key)!;
// reinserting makes this the least recently used entry // reinserting makes this the least recently used entry
@ -42,9 +42,9 @@ function cacheAndReturn(key: SnapshotRenderer, compute: () => string): string {
const result = compute(); const result = compute();
while (cache.size && cacheSize + result.length > CACHE_SIZE) { while (cache.size && cacheSize + result.length > CACHE_SIZE) {
const first = cache.keys().next().value; const [firstKey, firstValue] = cache.entries().next().value;
cacheSize -= cache.get(first)!.length; cacheSize -= firstValue.length;
cache.delete(first); cache.delete(firstKey);
} }
cache.set(key, result); cache.set(key, result);
@ -151,7 +151,7 @@ export class SnapshotRenderer {
}; };
const snapshot = this._snapshot; const snapshot = this._snapshot;
const html = cacheAndReturn(this, () => { const html = lruCache(this, () => {
visit(snapshot.html, this._index, undefined, undefined); visit(snapshot.html, this._index, undefined, undefined);
const html = result.join(''); const html = result.join('');