stacks-cache
Use when implementing caching in Stacks - memory cache, Redis cache, cache-aside pattern (getOrSet), TTL management, cache stats, or cache configuration. Covers @stacksjs/cache and config/cache.ts.
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소스 지침 · 읽기 전용 미리보기- name
- stacks-cache
- description
- Use when implementing caching in Stacks - memory cache, Redis cache, cache-aside pattern (getOrSet), TTL management, cache stats, or cache configuration. Covers @stacksjs/cache and config/cache.ts.
- license
- MIT
- compatibility
- Bun >= 1.3.0, TypeScript
- allowed-tools
- Read Edit Write Bash Grep Glob
# Stacks Cache
## Key Paths
- Core package: `storage/framework/core/cache/src/`
- Configuration: `config/cache.ts`
- Cache storage: `storage/framework/cache/`
## Cache API (StacksCache)
```typescript
import { cache, memory } from '@stacksjs/cache'
// Get/Set
await cache.get<string>('key') // T | undefined
await cache.set('key', 'value', 3600) // TTL in seconds
await cache.setForever('key', 'value') // no expiry
await cache.mget<string>(['key1', 'key2']) // T[]
await cache.mset([{ key: 'k1', value: 'v1', ttl: 60 }, ...])
// Cache-aside pattern
const value = await cache.getOrSet('expensive-key', async () => {
return await computeExpensiveValue()
}, 3600)
// Delete
await cache.del('key')
await cache.del(['key1', 'key2'])
await cache.deleteMany(['key1', 'key2'])
await cache.remove('key')
// Existence
await cache.has('key') // boolean
await cache.missing('key') // boolean
// Take (get and delete)
const value = await cache.take<string>('key')
// TTL management
await cache.getTtl('key') // remaining TTL
await cache.ttl('key', 7200) // update TTL
// Clear
await cache.clear()
await cache.flush()
// Stats
const stats = await cache.getStats()
// { hits, misses, keys, size, hitRate }
// Keys
const keys = await cache.keys('user:*') // pattern matching
// Cleanup
await cache.close()
await cache.disconnect()
```
## Factory Functions
```typescript
import { createMemoryCache, createRedisCache, createCache } from '@stacksjs/cache'
const memCache = createMemoryCache({
stdTTL: 3600, // default TTL (seconds)
checkPeriod: 120, // eviction check interval
maxKeys: -1, // -1 = unlimited
useClones: true, // clone on get/set
prefix: 'app:' // key prefix
})
const redisCache = createRedisCache({
url: 'redis://localhost:6379',
// or individual:
host: 'localhost',
port: 6379,
username: undefined,
password: undefined,
database: 0,
tls: false,
stdTTL: 3600,
prefix: 'app:'
})
// Auto-detect from config
const cache = createCache('memory')
const cache = createCache('redis', { host: 'localhost' })
```
## config/cache.ts
```typescript
{
driver: 'memory', // 'memory' | 'redis'
prefix: 'stacks',
ttl: 3600, // 1 hour default
maxKeys: -1, // unlimited
useClones: true,
drivers: {
redis: { host: 'localhost', port: 6379 },
memory: {}
}
}
```
## Default Instance
- `cache` — default memory cache (pre-configured)
- `memory` — alias for `cache`
## Gotchas
- Default driver is `memory` — data lost on restart
- Redis driver requires a running Redis server
- `getOrSet()` is the cache-aside pattern — fetches only on miss
- `useClones: true` means mutations to retrieved objects don't affect cache
- `take()` atomically gets and deletes — useful for one-time tokens
- Cache stats track hits, misses, and hit rate — useful for tuning
- `keys()` supports glob patterns for key listing
- Framework caches (auto-imports, discovered packages) are in `storage/framework/cache/`
- Use `buddy clean` or `buddy fresh` to clear framework caches
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