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20 changes: 20 additions & 0 deletions README.md
Original file line number Diff line number Diff line change
Expand Up @@ -208,6 +208,26 @@ expect(reducer(undefined, increment(new Error)).to.deep.equal({ counter: 0 })
expect(reducer(undefined, decrement(new Error)).to.deep.equal({ counter: 0 })
```

Here's an example using `handleActions`:

```js
const { increment, decrement } = createActions({
INCREMENT: amount => ({ amount }),
DECREMENT: amount => ({ amount: -amount })
});

const reducer = handleActions({
[combineActions(increment, decrement)](state, { payload: { amount } }) {
return { ...state, counter: state.counter + amount };
}
}, { counter: 10 });

expect(reducer({ counter: 5 }, increment(5))).to.deep.equal({ counter: 10 });
expect(reducer({ counter: 5 }, decrement(5))).to.deep.equal({ counter: 0 });
expect(reducer({ counter: 5 }, { type: 'NOT_TYPE', payload: 1000 })).to.equal({ counter: 5 });
expect(reducer(undefined, increment(5))).to.deep.equal({ counter: 15 });
```

## Usage with middleware

redux-actions is handy all by itself, however, its real power comes when you combine it with middleware.
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