" class="reference-link">Create Immutable State Easily

An utility to easily create immutable state for Redux

Usage

Primitive types

1. Define the State
   ```typescript
   import { createState, StateObject } from ‘immutable-state-creator’

const State = createState(‘User’, {
name: ‘my name’,
age: 10,
languages: [‘English’],
pets: List.of(‘cat’),
active: true,
})

2. Create initial state
```typescript
const initState = State.create()

1. Use getter to select value

   expect(State.get('age')(initState)).toBe(10)
   expect(State.get('name')(initState)).toBe('my name')

2. Use setter to update a value

   const newState = State.set('age', 20)(initState)
   expect(State.get('age')(newState)).toBe(20)

Toggle boolean value

const initState = State.create()
expect(initState.active).toBe(true)
const newState = State.toggle('active')(initState)
expect(newState.active).toBe(false)