kvslite

Synchronous persistent key-value store for node using sqlite3 and v8's serialize & deserialize. No daemon!

npm i kvslite

• ✅ Store any data including classes, sets, etc
• ✅ Add 100k records per second
• ✅ Use in memory or on drive
• better-sqlite3 seems to require node version 16

example

import { KVS } from 'kvslite'
type User = { id: string; name: string }
const users = new KVS()<User>('mydb.db')
const memoryDb = new KVS(':memory:')
db.set('key', 'value')
db.set('objectsAllowed', new Date())
db.set('yepThisWorks', { big: { complicated: { object: new Set() } } })

API

• new KVS<T>(filepath, collectionName?): Make or open a collection. One path can hold multiple collections.
• db.close(): Close the file
• db.set(key, value): Set or update key to value
• db.get(key): T?: Get value by key
• setMany(mapping: Record<string, T>): Set many values in one transaction, aborting if any fail
• getMany(keys: string[]): Record<string, T>?: Get many values, returns undefined if any keys are absent
• db.delete(key): Delete key if it exists
• db.all(): Record<string, T>?: Get all keys and values
• db.find(prefix): Record<string, T>?: Get values for all keys starting with prefix