Axios Http Client with Logging

httpClient.ts

import axios, { AxiosInstance, AxiosRequestConfig } from 'axios';
import tracingLogger from '../../logging/tracingLogger';

interface RequestConfig extends AxiosRequestConfig {
  metadata: {
    startTime: number;
  };
}

const createHttpClient = (baseURL: string, defaultHeaders: any = {}): AxiosInstance => {
  const client = axios.create({
    baseURL,
    headers: { ...defaultHeaders, 'Cache-Control': 'no-cache' },
  });

  client.interceptors.request.use(
    (config: RequestConfig) => {
      const logger = tracingLogger();
      logger.info({ url: config.url }, 'HttpClient Request starting');
      config.metadata = { startTime: Date.now() };
      return config;
    },
    (err) => Promise.reject(err),
  );

  client.interceptors.response.use(
    (resp) => {
      const config = resp.config as RequestConfig;
      const latency = Date.now() - config.metadata.startTime;
      const logger = tracingLogger();
      logger.info({ url: config.url, latency, statusCode: resp.status }, 'HttpClient Request completed');
      return resp;
    },
    (err) => Promise.reject(err),
  );

  return client;
};

export default createHttpClient;