Axios
one minute of reading
Axios is a popular JavaScript library that allows HTTP requests to be made from within a Node.js application. It was created with the idea of making the web easier to work with, and its main goal is to make communication between the application and the API simple and transparent.
Axios is a simple HTTP client with which we create requests in the browser and NodeJS. Its characteristic element is the use of the mechanism of so-called promises, that is, the executed query returns to us its status in the form of either reject or resolve.
In practice, queries to the API use "then" and "catch" syntaxes.
import axios from "axios";
axios.get('/users')
.then(res => {
console.log(res.data);
});
Interesting facts about how Axios works
Besides the ability to send Get and Post requests, Axios also provides other interesting mechanisms that make it easier to make requests to the API. Below I decided to present a list from the most important ones to the less important ones.
Axios config
Working in a project, we have the ability to create many customized Axios configs which we then import into the code. This allows us to create queries that use a different base_url or authorization method.
Axios interceptor
Axios interceptor gives us the ability to catch certain messages or events that occur during API implementation and act accordingly. For example, for any error with authorization, when our authorization token has expired we have the ability to recreate the token and resend the request without the user being aware of the event.
Axios and AbortController
As of version 0.22.0, Axios provides the ability to use AbortController, that is, to cancel a query that has been created. This provides a number of possibilities in the form of cancelling a long-running query while moving to another subpage of the application, or when the application logic requires it.
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