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This commit is contained in:
Carl-Gerhard Lindesvärd
2025-11-10 10:09:59 +01:00
parent 37246f57f0
commit bb0e413b06
9 changed files with 76 additions and 107 deletions
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43
packages/redis/cachable.ts
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@@ -128,11 +128,13 @@ function hasResult(result: unknown): boolean {
return true;
}
type CacheMode = 'lru' | 'redis' | 'both';
// Overload 1: cacheable(fn, expireInSec, lruCache?)
export function cacheable<T extends (...args: any) => any>(
fn: T,
expireInSec: number,
lruCache?: boolean,
cacheMode?: CacheMode,
): T & {
getKey: (...args: Parameters<T>) => string;
clear: (...args: Parameters<T>) => Promise<number>;
@@ -146,7 +148,7 @@ export function cacheable<T extends (...args: any) => any>(
name: string,
fn: T,
expireInSec: number,
lruCache?: boolean,
cacheMode?: CacheMode,
): T & {
getKey: (...args: Parameters<T>) => string;
clear: (...args: Parameters<T>) => Promise<number>;
@@ -159,8 +161,8 @@ export function cacheable<T extends (...args: any) => any>(
export function cacheable<T extends (...args: any) => any>(
fnOrName: T | string,
fnOrExpireInSec: number | T,
_expireInSecOrLruCache?: number | boolean,
_lruCache?: boolean,
_expireInSecOrCacheMode?: number | CacheMode,
_cacheMode?: CacheMode,
) {
const name = typeof fnOrName === 'string' ? fnOrName : fnOrName.name;
const fn =
@@ -171,23 +173,23 @@ export function cacheable<T extends (...args: any) => any>(
: null;
let expireInSec: number | null = null;
let useLruCache = false;
let cacheMode = 'redis';
// Parse parameters based on function signature
if (typeof fnOrName === 'function') {
// Overload 1: cacheable(fn, expireInSec, lruCache?)
expireInSec = typeof fnOrExpireInSec === 'number' ? fnOrExpireInSec : null;
useLruCache =
typeof _expireInSecOrLruCache === 'boolean'
? _expireInSecOrLruCache
: false;
cacheMode =
typeof _expireInSecOrCacheMode === 'boolean'
? _expireInSecOrCacheMode
: 'redis';
} else {
// Overload 2: cacheable(name, fn, expireInSec, lruCache?)
expireInSec =
typeof _expireInSecOrLruCache === 'number'
? _expireInSecOrLruCache
typeof _expireInSecOrCacheMode === 'number'
? _expireInSecOrCacheMode
: null;
useLruCache = typeof _lruCache === 'boolean' ? _lruCache : false;
cacheMode = typeof _cacheMode === 'string' ? _cacheMode : 'redis';
}
if (typeof fn !== 'function') {
@@ -203,12 +205,13 @@ export function cacheable<T extends (...args: any) => any>(
`${cachePrefix}:${stringify(args)}`;
// Create function-specific LRU cache if enabled
const functionLruCache = useLruCache
? new LRUCache<string, any>({
max: 1000,
ttl: expireInSec * 1000, // Convert seconds to milliseconds for LRU
})
: null;
const functionLruCache =
cacheMode === 'lru' || cacheMode === 'both'
? new LRUCache<string, any>({
max: 1000,
ttl: expireInSec * 1000, // Convert seconds to milliseconds for LRU
})
: null;
const cachedFn = async (
...args: Parameters<T>
@@ -221,6 +224,10 @@ export function cacheable<T extends (...args: any) => any>(
if (lruHit !== undefined && hasResult(lruHit)) {
return lruHit;
}
if (cacheMode === 'lru') {
return null as any;
}
}
// L2 Cache: Check Redis cache (shared across instances)