53 lines
1.5 KiB
TypeScript
53 lines
1.5 KiB
TypeScript
import { RedisCache } from './redis-cache';
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import type { CacheOptions, CacheProvider } from './types';
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// Cache instances registry to prevent multiple instances with same prefix
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const cacheInstances = new Map<string, CacheProvider>();
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/**
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* Create a Redis cache instance with trading-optimized defaults
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*/
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export function createCache(options: CacheOptions): CacheProvider {
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const defaultOptions: CacheOptions = {
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keyPrefix: 'cache:',
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ttl: 3600, // 1 hour default
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enableMetrics: true,
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shared: true, // Default to shared connections
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...options,
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};
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// For shared connections, reuse cache instances with the same key prefix
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if (defaultOptions.shared) {
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const cacheKey = `${defaultOptions.keyPrefix}-${defaultOptions.ttl}`;
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if (cacheInstances.has(cacheKey)) {
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const cachedInstance = cacheInstances.get(cacheKey);
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if (!cachedInstance) {
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throw new Error(`Expected cache instance ${cacheKey} to exist`);
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}
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return cachedInstance;
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}
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const cache = new RedisCache(defaultOptions);
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cacheInstances.set(cacheKey, cache);
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return cache;
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}
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// For non-shared connections, always create new instances
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return new RedisCache(defaultOptions);
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}
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// Export types and classes
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export type {
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CacheConfig,
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CacheKey,
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CacheOptions,
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CacheProvider,
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CacheStats,
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RedisConfig,
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SerializationOptions,
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} from './types';
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export { RedisConnectionManager } from './connection-manager';
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export { CacheKeyGenerator } from './key-generator';
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export { RedisCache } from './redis-cache';
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