用于Redux的Callbag中间件
用于Redux的Callbag中间件
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详细介绍
reduxbag
Callbag-based middleware for Redux.
- Tiny (<350b)
- Zero dependencies
- Similar API to redux-observable
- “Unlimited” operators (callbag ecosystem)
Install
yarn add reduxbag
# -- or --
npm install --save reduxbag
Usage
import map from 'callbag-map';
import pipe from 'callbag-pipe';
import mapPromise from 'callbag-map-promise';
import { createStore, applyMiddleware } from 'redux';
import createReduxbagMiddleware, { ofType } from 'reduxbag';
const todos = (state = [], action) => {
switch (action.type) {
case 'ADD_TODO':
return state.concat(action.text);
default:
return state;
}
}
const ajaxEpic = (action$, store) => pipe(
action$,
ofType('FETCH_TODO'),
mapPromise(action =>
fetch(`//jsonplaceholder.typicode.com/posts/${(1+Math.random()*50)>>0}`)
.then(res => res.json())
),
map(data => ({
type: 'ADD_TODO',
text: data.title,
})),
);
const store = createStore(
todos,
applyMiddleware(createReduxbagMiddleware(ajaxEpic)),
);
const logState = () => console.log(store.getState());
store.subscribe(logState);
logState();
store.dispatch({ type: 'ADD_TODO', text: 'Try out callbags' });
store.dispatch({ type: 'FETCH_TODO' });
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