doublet
Handle any Javascript and Typescript function as an error and response tuple. This prevents declaring variables outside of a try/catch block for a cleaner flow.
Installation
npm i doubletUsage
Traditionnal error handling
import axios from 'axios';
import doublet from 'doublet';
import HttpException from 'your-favorite-error-handler';
async function fetchUser(id: string): User {
let user;
try {
user = await axios(`/users/${id}`);
} catch (error) {
throw new HttpException(`Could not fetch user ID "${id}", Error; ${error.message}`, error.status);
}
// Do something with user
}With doublet
import axios from 'axios';
import doublet from 'doublet';
import HttpException from 'your-favorite-error-handler';
async function fetchUser(id: string): User {
const [userError, user] = await doublet(axios, `/users/${id}`);
if (userError) throw new HttpException(`Could not fetch user ID "${id}", Error; ${userError.message}`, userError.status);
// Do something with user
}