redux middleware
A Redux middleware is a function returning a function, which takes next as a
parameter. Then the inner function returns another function which takes action
as a parameter and finally returns next(action). Here's how it looks like:
function Middleware() {
return function(next){
return function(action){
// do your stuff
return next(action);
}
}
}react redux middleware
const loggingMiddleware = function(store) {
// Called when calling applyMiddleware so
// our middleware can have access to the store
return function(next) {
// next is the following action to be run
// after this middleware
return function(action) {
// finally, this is where our logic lives for
// our middleware.
}
}
}react redux middleware
import * as types from './types';
export const initialState = {
currentTime: new Date().toString(),
}
export const reducer = (state = initialState, action) => {
switch(action.type) {
case types.FETCH_NEW_TIME:
return { ...state, currentTime: action.payload}
default:
return state;
}
}
export default reducerCopyright © 2021 Codeinu
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