37 lines
971 B
TypeScript
37 lines
971 B
TypeScript
interface LRFUExpirerOptions {
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lruSize?: number;
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cleanupInterval?: number;
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}
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export class LRFUExpirer {
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constructor(options?: LRFUExpirerOptions);
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}
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interface WeakLRUCacheOptions {
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cacheSize?: number;
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expirer?: LRFUExpirer | false;
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deferRegister?: boolean;
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}
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export class CacheEntry<V> {
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value?: V
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deref?(): V
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}
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export class WeakLRUCache<K, V> extends Map<K, CacheEntry<V>> {
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constructor(options?: WeakLRUCacheOptions);
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/**
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* Get a value from the cache, if it is still in memory. If the value is no longer cached, will return undefined.
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* @param key The key to use to retrieve the value
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*/
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getValue(key: K): V | undefined;
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/**
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* Put a key-value into the cache
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* @param key The key to use to insert the entry
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* @param value The value to insert into the cache
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* @param expirationPriority A priority for expiration, a higher value will expire sooner
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*/
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setValue(key: K, value: V, expirationPriority?: number): void;
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}
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