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require("@middy/core/package.json"); // @middy/core is a peer dependency. var httpErrorHandler = require("@middy/http-error-handler")

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@middy/http-error-handler v1.1.0

Http error handler middleware for the middy framework

Middy http-error-handler middleware

Middy logo

HTTP error handler middleware for the middy framework, the stylish Node.js middleware engine for AWS Lambda

Automatically handles uncaught errors that contain the properties statusCode (number) and message (string) and creates a proper HTTP response for them (using the message and the status code provided by the error object). We recommend generating these HTTP errors with the npm module http-errors.

This middleware should be set as the last error handler.

Install

To install this middleware you can use NPM:

npm install --save @middy/http-error-handler

Options

  • logger (defaults to console.error) - a logging function that is invoked with the current error as an argument. You can pass false if you don't want the logging to happen.

Sample usage

const middy = require('@middy/core')
const httpErrorHandler = require('@middy/http-error-handler')

const handler = middy((event, context, cb) => {
  throw new createError.UnprocessableEntity()
})

handler
  .use(httpErrorHandler())

// when Lambda runs the handler...
handler({}, {}, (_, response) => {
  expect(response).toEqual({
    statusCode: 422,
    body: 'Unprocessable Entity'
  })
})

Middy documentation and examples

For more documentation and examples, refers to the main Middy monorepo on GitHub or Middy official website.

Contributing

Everyone is very welcome to contribute to this repository. Feel free to raise issues or to submit Pull Requests.

License

Licensed under MIT License. Copyright (c) 2017-2018 Luciano Mammino and the Middy team.

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