import { CachedContent } from './types.js';
export class LRUCache {
private maxSize: number;
private cache: Map<string, CachedContent>;
constructor(maxSize: number = 50) {
this.maxSize = maxSize;
this.cache = new Map<string, CachedContent>();
}
set(url: string, data: Omit<CachedContent, 'timestamp'>): void {
if (this.cache.has(url)) {
this.cache.delete(url);
}
this.cache.set(url, {
...data,
timestamp: Date.now()
});
if (this.cache.size > this.maxSize) {
const firstKey = this.cache.keys().next().value as string;
if (firstKey) {
this.cache.delete(firstKey);
}
}
}
get(url: string): CachedContent | null {
if (!this.cache.has(url)) {
return null;
}
const data = this.cache.get(url)!;
this.cache.delete(url);
this.cache.set(url, data);
return data;
}
has(url: string): boolean {
return this.cache.has(url);
}
clear(): void {
this.cache.clear();
}
size(): number {
return this.cache.size;
}
}
// Default cache instance - will be initialized with configurable size
export let contentCache: LRUCache;
// Initialize cache with specified size
export function initializeCache(maxSize: number = 50): void {
contentCache = new LRUCache(maxSize);
}
