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@directus/memory
Directus has various different needs for ephemeral storage that's synced between multiple processes for the same Directus Projects. To streamline that setup, this package exports three classes that are used for everything related to ephemeral storage:
Kv
The Kv class is a simple key-value store
Basic Usage
import { createKv } from '@directus/memory';
const cache = createKv({
type: 'memory',
});
await cache.set('my-key', 'my-value');
Cache
The cache class is a Kv class extended with an LRU store
Basic Usage
import { createCache } from '@directus/memory';
const cache = createCache({
type: 'memory',
maxKeys: 500,
});
await cache.set('my-key', 'my-value');
Bus
The bus class is a pub-sub abstraction. The memory type bus just handles local handlers, which adds no benefit next to having a shared API for using pubsub.
Basic Usage
import { Redis } from 'ioredis';
import { createBus } from '@directus/memory';
const bus = createBus({
type: 'redis',
redis: new Redis(),
namespace: 'directus',
});
Limiter
The limiter class is a basic shared rate limiter.
Basic Usage
import { createLimiter } from '@directus/memory';
const limiter = createLimiter({
type: 'memory',
points: 10,
duration: 5,
});