meteor_boosters_reactive_state_counter_with_subscription.ts

1import { Booster } from 'meteor-boosters';
2
3// 1. Define your initial state and boosters
4const MyBooster = new Booster({
5  name: 'Counter',
6  initialState: {
7    count: 0,
8  },
9  actions: {
10    increment(state) {
11      return { ...state, count: state.count + 1 };
12    },
13    decrement(state) {
14      return { ...state, count: state.count - 1 };
15    },
16  },
17});
18
19// 2. Usage in a TypeScript environment
20const { increment, decrement } = MyBooster.getActions();
21
22// Subscribe to state changes
23MyBooster.subscribe((state) => {
24  console.log('Current count:', state.count);
25});
26
27// Trigger actions
28increment(); // Output: Current count: 1
29increment(); // Output: Current count: 2
30decrement(); // Output: Current count: 1