neura-sdk/dist/utils/cache.js

TypeScript SDK for interacting with the Neura AI API

const DEFAULT_TTL = 5 * 60 * 1000; // 5 minutes in milliseconds
export class MemoryCache {
    constructor(defaultTTL = DEFAULT_TTL) {
        this.cache = new Map();
        this.defaultTTL = defaultTTL;
        // Periodically clean expired entries
        setInterval(() => this.cleanExpired(), 60 * 1000); // Clean every minute
    }
    get(key) {
        const entry = this.cache.get(key);
        if (!entry) {
            return undefined;
        }
        // Check if the entry has expired
        if (entry.expires < Date.now()) {
            this.cache.delete(key);
            return undefined;
        }
        return entry.value;
    }
    set(key, value, options) {
        const ttl = options?.ttl ?? this.defaultTTL;
        const expires = Date.now() + ttl;
        this.cache.set(key, { value, expires });
    }
    has(key) {
        const entry = this.cache.get(key);
        if (!entry) {
            return false;
        }
        // Check if the entry has expired
        if (entry.expires < Date.now()) {
            this.cache.delete(key);
            return false;
        }
        return true;
    }
    delete(key) {
        return this.cache.delete(key);
    }
    clear() {
        this.cache.clear();
    }
    cleanExpired() {
        const now = Date.now();
        for (const [key, entry] of this.cache.entries()) {
            if (entry.expires < now) {
                this.cache.delete(key);
            }
        }
    }
}