import Updux, { createAction, withPayload } from './index.js';
import { expectTypeOf } from 'expect-type';
test('initialState state', () => {
    const initialState = {
        next_id: 1,
        todos: [],
    };
    const dux = new Updux({
        initialState,
    });
    expectTypeOf(dux.initialState).toMatchTypeOf();
    expect(dux.initialState).toEqual(initialState);
    const store = dux.createStore();
    expect(store.getState()).toEqual(initialState);
});
test('actions', () => {
    const addTodo = createAction('addTodo', withPayload());
    const todoDone = createAction('todoDone');
    const todosDux = new Updux({
        actions: {
            addTodo,
            todoDone,
        },
    });
    expect(todosDux.actions.addTodo('write tutorial')).toEqual({
        type: 'addTodo',
        payload: 'write tutorial',
    });
});
test('mutation', () => {
    const addTodo = createAction('addTodo', withPayload());
    const dux = new Updux({
        initialState: { nextId: 0, todos: [] },
    });
    dux.addMutation(addTodo, (description) => (state) => {
        state.todos.unshift({ description, id: state.nextId, done: false });
        state.nextId++;
    });
});