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@fastify/error

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@fastify/error

A small utility, used by Fastify itself, for generating consistent error objects across your codebase and plugins.

  • 3.0.0
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  • npm
  • Socket score

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Weekly downloads
1.9M
increased by2.36%
Maintainers
17
Weekly downloads
 
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What is @fastify/error?

The @fastify/error package is designed to provide a simple and efficient way to create custom errors in Fastify applications. It allows developers to define error constructors with default status codes and messages, making error handling more consistent and streamlined across the application.

What are @fastify/error's main functionalities?

Creating custom errors

This feature allows developers to create custom error constructors. The example demonstrates how to create a 'NotFoundError' with a default message 'Resource not found' and a status code of 404.

const createError = require('@fastify/error');
const NotFoundError = createError('NOT_FOUND', 'Resource not found', 404);
throw new NotFoundError();

Custom error properties

This feature enables adding custom properties to errors. In the example, a 'DatabaseError' is created with an additional 'code' property, which is specified when the error is thrown.

const createError = require('@fastify/error');
const DatabaseError = createError('DB_ERROR', 'Database operation failed', 500, (opts) => ({ code: opts.code }));
throw new DatabaseError({ code: 'ER_NO_SUCH_TABLE' });

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Package last updated on 23 May 2022

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