moh-error

moh-error

The advanced http response friendly Error class (extend from Error) to handle error with more info and features.

Features

• Easy way to create advanced Error with extra info
• Easy to transform to Http response
• Easy to send error to sentry

Installation

# with yarn
yarn add moh-error --save

# with npm
npm install moh-error --save

Usage

To generate a moh-error, use 1 arg or 2 args as below

1 arg: [String || Error ||Object] 2 args: [String, Error], [Object, StatusCode(/^[1-5][0-9][0-9]$/)]

the first arg is error instance or error message, the second arg are custom object or status code

const { MohError: MyError } = require('moh-error')

// use like normal Error
const error = new MyError('The error message')

// use with normal Error
const someErr = new Error('Default Error')
const error = new MyError(someErr)

// use with custom object
const ERRORS = {
  UNAUTH: {
    status: 401,
    code: 11001,
    message: 'User not authenticated'
  }
}
const error = new MyError(ERRORS.UNAUTH)

// add extra info
const loginError = new MyError('Faild to login', {
  user: {
    username: 'ole3021',
    password: 'youshouldnotpass'
  },
  isSentry: true // will send this error to sentry
})

// add status code
const error = new MyError(new Error('Unauthorized'), 401)
res.send(error.toHttp())

init()

The method to init the lib, include sentry and unExpectedError handling.(not necessary if not use those features.)

toHttp()

The method to transform the error object to an response mohErrorInstance.toHttp()

isSentry

Add isSentry prop in the create error info, will send this error to sentry.