Package Exports

redux-fun

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Readme

redux-fun

Redux functional programming utilities

Install

$ npm install --save redux-fun

Documentation

Reducers

Compose reducers

  const { composeReducers, pipeReducers } = require('redux-fun');

  const reducer_1 = composeReducers(r3, r2, r1);
  const reducer_2 = pipeReducers(r1, r2, r3);

Convert updaters

const { toReducer } = require('redux-fun');
const updater = (action) => state => state;
const reducer = toReducer(updater);

Updaters

updater with initial state

const { withDefaultState } = require('redux-fun');

// normal
const updater_1 = withDefaultState({}, action => state => state);

// curried
const updater_2 = withDefaultState({})(action => state => state);

Middlewares

Compose middlewares

  const { composeMiddlewares, pipeMiddlewares } = require('redux-fun');

  const middleware_1 = composeMiddl(m3, m2, m1);
  const middleware_2 = pipeMiddlewares(m1, m2, m3);

Preserve async flow (deprecated)

Use preserveAsyncSeries instead

Preserve async series

Respect the dispatch order with async middleware

  const { preserveAsyncSeries } = require('redux-fun');
  const middleware_1 = preserveAsyncSeries('ACTION_TYPE')
  const middleware_2 = preserveAsyncSeries(['ACTION_TYPE_1', 'ACTION_TYPE_2'])

Selectors

Bind selectors

  const { bindSelectors } = require('redux-fun');

  const selectors = {
    getUsers: (state) => state.users,
    getUser: (state, { id }) => state.users[id],
  }

  const boundSelectors = bindSelectors(selectors, store.getState);
  const user = boundSelectors.getUser({ id: 1 });