Skip to content

combineActions example in README #165

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 6 commits into from
Nov 23, 2016
Merged
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
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.
Expand Down