Actually it depends on your use case. 1) You want to protect your route from unauthorized users If that is the case you can use the component called <Redirect /> and can implement the following logic: import React from ‘react’ import { Redirect } from ‘react-router-dom’ const ProtectedComponent = () => { if (authFails) return … Read more
There are multiple ways to achieve this. Here, I have explained the two most common approaches. 1. You can use axios interceptors to intercept any requests and add authorization headers. // Add a request interceptor axios.interceptors.request.use(function (config) { const token = store.getState().session.token; config.headers.Authorization = token; return config; }); 2. From the documentation of axios you … Read more
Redux author here! Redux is not that different from Flux. Overall it has same architecture, but Redux is able to cut some complexity corners by using functional composition where Flux uses callback registration. There is not a fundamental difference in Redux, but I find it makes certain abstractions easier, or at least possible to implement, … Read more
Update: see also how Twitter does it. This is not a full answer but should help you get started. Note that I’m not throwing away old reducers—I’m just adding new ones to the combination list. I see no reason to throw away the old reducers—even in the largest app you’re unlikely to have thousands of … Read more
You can use map. Here is an example implementation: case ‘SOME_ACTION’: return { …state, contents: state.contents.map( (content, i) => i === 1 ? {…content, text: action.payload} : content ) }
If you would like to persist your redux state across a browser refresh, it’s best to do this using redux middleware. Check out the redux-persist and redux-storage middleware. They both try to accomplish the same task of storing your redux state so that it may be saved and loaded at will. — Edit It’s been … Read more
the simplest way what I found from a tutorial of “TraversyMedia” is that just use https://cors-anywhere.herokuapp.com in ‘axios’ or ‘fetch’ api https://cors-anywhere.herokuapp.com/{type_your_url_here} e.g. axios.get(`https://cors-anywhere.herokuapp.com/https://www.api.com/`) and in your case edit url as url: ‘https://cors-anywhere.herokuapp.com/https://www.api.com’,
Use JSON for deep copy var newObject = JSON.parse(JSON.stringify(oldObject)) var oldObject = { name: ‘A’, address: { street: ‘Station Road’, city: ‘Pune’ } } var newObject = JSON.parse(JSON.stringify(oldObject)); newObject.address.city = ‘Delhi’; console.log(‘newObject’); console.log(newObject); console.log(‘oldObject’); console.log(oldObject);
Well, the difference between whether you should import your components within brackets or without it lies in the way you export it. There are two types of exports Default Export Named Export A component can have one default export and zero or more named exports. If a component is a default export then you need … Read more
Answered in reverse order… this.handleRefreshClick.bind(something) returns a new function, in which references to this will refer to something. This is a way of saving the current value of this, which is in scope during the call to the constructor, so that it can be used later when the function is called. If your functions don’t … Read more