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Example of Axios with TypeScript
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| import axios, { AxiosError, AxiosResponse } from 'axios'; | |
| import token from './somewhere'; | |
| interface Todo { | |
| id: string; | |
| title: string; | |
| } | |
| interface User { | |
| id: string; | |
| name: string; | |
| } | |
| axios.defaults.baseURL = 'https://jsonplaceholder.typicode.com'; | |
| axios.interceptors.request.use((config) => { | |
| if (token) { | |
| config.headers.Authorization = `Bearer ${token}`; | |
| } | |
| return config; | |
| }); | |
| axios.interceptors.response.use( | |
| (res) => res, | |
| (error: AxiosError) => { | |
| const { data, status, config } = error.response!; | |
| switch (status) { | |
| case 400: | |
| console.error(data); | |
| break; | |
| case 401: | |
| console.error('unauthorised'); | |
| break; | |
| case 404: | |
| console.error('/not-found'); | |
| break; | |
| case 500: | |
| console.error('/server-error'); | |
| break; | |
| } | |
| return Promise.reject(error); | |
| } | |
| ); | |
| const responseBody = <T>(response: AxiosResponse<T>) => response.data; | |
| const request = { | |
| get: <T>(url: string) => axios.get<T>(url).then(responseBody), | |
| post: <T>(url: string, body: {}) => | |
| axios.post<T>(url, body).then(responseBody), | |
| }; | |
| const todos = { | |
| list: () => request.get<Todo[]>('/todos'), | |
| details: (id: string) => request.get<Todo>(`/todos/${id}`), | |
| create: (data: Todo) => request.post<void>('/todos', data), | |
| }; | |
| const users = { | |
| list: () => request.get<User[]>('/users'), | |
| details: (id: string) => request.get<User>(`/users/${id}`), | |
| create: (data: User) => request.post<User>('/users', data), | |
| }; | |
| const api = { | |
| todos, | |
| users, | |
| }; | |
| export default api; |
@JaysonChiang : Can you please give us some more information how to use this script ?
How can I "run" this (e.g. on port 3000), so I can use it with postman ?
Thanks in advance for your reply.
@jdriesen This is an example of using axios library.
interceptors.request is used to add to each request a Auth header with token. It's part of JWT auth.
interseptors.response is used to handle error if some exist after each request.
After there is some fetch examples. Then in code U can call, for example, api.users.list to call get requset that fetches all users
U can not run this and use this with postman 'cause it's implementation of frontend side.
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Thanks man. This will help me understand.