@stateloom/immer

Immer integration for mutable draft syntax in StateLoom store set() calls.

Install

pnpm add @stateloom/immer immer

Quick Start

import { immer } from '@stateloom/immer';
import { createStore } from '@stateloom/store';

const store = createStore(
  immer((set) => ({
    todos: [] as Array<{ id: number; text: string; done: boolean }>,
    addTodo: (text: string) =>
      set((draft) => {
        draft.todos.push({ id: Date.now(), text, done: false });
      }),
    toggleTodo: (id: number) =>
      set((draft) => {
        const todo = draft.todos.find((t) => t.id === id);
        if (todo) todo.done = !todo.done;
      }),
  })),
);

Exports

| Export | Description | | ----------------------------- | ------------------------------------------------------------ | | immer(creator) | Wrap a state creator to enable Immer draft syntax in set() | | produceState(store, recipe) | Apply an Immer recipe to any existing store |

Documentation

Full documentation with API reference, patterns, and nested update examples: docs/api/immer

License

MIT