easy-peasy/tests/typescript/action.ts at master · ctrlplusb/easy-peasy · GitHub

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import { createStore, action, Action, Thunk, thunk } from 'easy-peasy';

interface TodosModel {
  items: string[];
  add: Action<TodosModel, string>;
  clear: Action<TodosModel>;
}

interface Model {
  todos: TodosModel;
}

const todos: TodosModel = {
  items: [],
  add: action(
    (state, payload) => {
      state.items.push(payload);
    },
    { immer: true },
  ),
  clear: action((state) => {
    state.items = [];
  }),
};

const model: Model = {
  todos,
};

const store = createStore(model);

store.dispatch.todos.add('foo');
// @ts-expect-error
store.dispatch.todos.add(1);
// @ts-expect-error
store.dispatch.todos.add();

store.dispatch.todos.clear();