@jill64/typed-storage

🗃️ Type-Safe Web Storage API Wrapper

Installation

npm i @jill64/typed-storage

Example

See ts-serde for more information on type guard

import { typedStorage } from '@jill64/typed-storage'
import { json } from '@jill64/typed-storage/serde'

const key = 'localStorageKey'
const value = ['value1', 'value2', 'value3']

const guard = (x: unknown): x is string[] =>
  Array.isArray(x) && x.every((y) => typeof y === 'string')

const store = typedStorage(key, json(guard, []), {
  // Optional
  // Use sessionStorage
  // sessionStorage?: boolean
})

// string[]
const storedValue = store.get()

store.set(value)

const unsubscriber = store.subscribe((newValue) => {
  // called when localStorage value changes
  console.log(newValue)
})

// unsubscribe
unsubscriber()

License

MIT