Files
automatisch/packages/backend/src/helpers/http-client/index.ts
2023-11-13 16:14:03 +00:00

81 lines
2.3 KiB
TypeScript

import { IHttpClientParams } from '@automatisch/types';
import { InternalAxiosRequestConfig } from 'axios';
import { URL } from 'node:url';
export { AxiosInstance as IHttpClient } from 'axios';
import HttpError from '../../errors/http';
import axios from '../axios-with-proxy';
const removeBaseUrlForAbsoluteUrls = (
requestConfig: InternalAxiosRequestConfig
): InternalAxiosRequestConfig => {
try {
const url = new URL(requestConfig.url);
requestConfig.baseURL = url.origin;
requestConfig.url = url.pathname + url.search;
return requestConfig;
} catch {
return requestConfig;
}
};
export default function createHttpClient({
$,
baseURL,
beforeRequest = [],
}: IHttpClientParams) {
const instance = axios.create({
baseURL,
});
instance.interceptors.request.use(
(requestConfig: InternalAxiosRequestConfig): InternalAxiosRequestConfig => {
const newRequestConfig = removeBaseUrlForAbsoluteUrls(requestConfig);
const result = beforeRequest.reduce((newConfig, beforeRequestFunc) => {
return beforeRequestFunc($, newConfig);
}, newRequestConfig);
/**
* axios seems to want InternalAxiosRequestConfig returned not AxioRequestConfig
* anymore even though requests do require AxiosRequestConfig.
*
* Since both interfaces are very similar (InternalAxiosRequestConfig
* extends AxiosRequestConfig), we can utilize an assertion below
**/
return result as InternalAxiosRequestConfig;
}
);
instance.interceptors.response.use(
(response) => response,
async (error) => {
const { config, response } = error;
// Do not destructure `status` from `error.response` because it might not exist
const status = response?.status;
if (
// TODO: provide a `shouldRefreshToken` function in the app
(status === 401 || status === 403) &&
$.app.auth &&
$.app.auth.refreshToken &&
!$.app.auth.isRefreshTokenRequested
) {
$.app.auth.isRefreshTokenRequested = true;
await $.app.auth.refreshToken($);
// retry the previous request before the expired token error
const newResponse = await instance.request(config);
$.app.auth.isRefreshTokenRequested = false;
return newResponse;
}
throw new HttpError(error);
}
);
return instance;
}