Redux Promise Middleware

Redux Promise Middleware enables simple, yet robust handling of async action creators in Redux.

const asyncAction = () => ({
  type: 'PROMISE',
  payload: new Promise(...),
})

Given a single action with an async payload, the middleware transforms the action to a separate pending action and a separate fulfilled/rejected action, representing the states of the async action.

The middleware can be combined with Redux Thunk to chain action creators.

const secondAction = (data) => ({
  type: 'SECOND',
  payload: {...},
})

const firstAction = () => {
  return (dispatch) => {
    const response = dispatch({
      type: 'FIRST',
      payload: new Promise(...),
    })

    response.then((data) => {
      dispatch(secondAction(data))
    })
  }
}

Documentation and Help

• Introduction
• Guides
• Examples

Heads Up: Version 6 includes some breaking changes. Check the upgrading guide for help.

Issues

For bug reports and feature requests, file an issue on GitHub.

For help, ask a question on StackOverflow.

Releases

• Release History
• Upgrade from 5.x to 6.0.0
• Upgrade from 4.x to 5.0.0
• Upgrade from 3.x to 4.0.0

For older versions:

• 5.x
• 4.x
• 3.x
• 2.x
• 1.x

Maintainers

Please reach out to us if you have any questions or comments.

Patrick Burtchaell (pburtchaell):

• GitHub

Thomas Hudspith-Tatham (tomatau):

• GitHub

License

Code licensed with the MIT License (MIT).

Documentation licensed with the CC BY-NC License.