frontend/src/helpers/http-common.js

import axios from 'axios';
import { API_URL } from '../constants';

const existingToken = localStorage.getItem('token');

export const backend = axios.create({
	baseURL: API_URL,
	headers: {
		'Content-type': 'application/json',
	},
});

// Add token if already in local storage
if (existingToken) {
	backend.defaults.headers.common['Authorization'] = JSON.parse(existingToken);
}