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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; |
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