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fsa-redux-thunk

2.3.0 • Public • Published

FSA Redux Thunk

Fork of redux-thunk middleware that enforces Flux Standard Actions.

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Installation

npm install --save redux-thunk

or

yarn add fsa-redux-thunk

Then, to enable Redux Thunk, use applyMiddleware():

import { createStore, applyMiddleware } from 'redux';
import FsaThunk from 'fsa-redux-thunk';
import rootReducer from './reducers/index';
 
// Note: this API requires redux@>=3.1.0
const store = createStore(
  rootReducer,
  applyMiddleware(FsaThunk)
);

Usage with redux-actions FSA library

Dispatching null initial payload

import { createAction } from 'redux-actions';
 
const fetchSomeApiSuccess = createAction('FETCH_SOME_API_SUCCESS');
const fetchSomeApiFailure = createAction('FETCH_SOME_API_FAILURE');
const fetchSomeApiRequest = createAction('FETCH_SOME_API_REQUEST', () => dispatch => {
  return fetch
    .get('some/url')
    .catch(err => {
      dispatch(fetchSomeApiFailure(err));
      throw err;
    })
    .then(data => dispatch(fetchSomeApiSuccess(data)));
});

Calling:

store.dispatch(fetchSomeApiRequest(true));

will dispatch an FSA action with this shape first, then will execute the payload creator function defined as the second argument to createAction:

{ type: 'FETCH_SOME_API_REQUEST', payload: null }

Dispatching WITH initial payload

In order to dispatch the initial request action (FETCH_SOME_API_REQUEST in our example), we must provide the value in the meta field, as follows (the third argument to createAction):

import { createAction } from 'redux-actions';
 
const fetchSomeApiSuccess = createAction('FETCH_SOME_API_SUCCESS');
const fetchSomeApiFailure = createAction('FETCH_SOME_API_FAILURE');
const fetchSomeApiRequest = createAction(
  // action type
  'FETCH_SOME_API_REQUEST',
  // payload creator function
  payload => dispatch => {
    return fetch
      .get('some/url')
      .catch(err => {
        dispatch(fetchSomeApiFailure(err));
        throw err;
      })
      .then(data => dispatch(fetchSomeApiSuccess(data)));
  },
  // meta creator function
  payload => ({ preThunkPayload: payload }),
);

Calling:

store.dispatch(fetchSomeApiRequest('foobar'));

will dispatch an FSA action with this shape first, then will execute the payload creator function defined as the second argument to createAction:

{ type: 'FETCH_SOME_API_REQUEST', payload: 'foobar' }

License

MIT

install

npm i fsa-redux-thunk

Downloadsweekly downloads

520

version

2.3.0

license

MIT

homepage

github.com

repository

Gitgithub

last publish

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