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@keepkey/errors

v1.1.3

Published

Common set of typed errors

Downloads

3

Readme

@shapeshiftoss/errors

This package contains named errors and a function to create new named errors

Installation

It's recommend to add this package to peerDependencies to avoid duplicate versions of the package which will cause instanceof checks to fail.

Usage

import { ValidationError } from '@shapeshiftoss/errors'

throw new ValidationError('txId cannot be null', { details: { name: 'txId', expected: 'not null', actual: 'null' }})

Create a new named error

import { createErrorClass } from '@shapeshiftoss/errors'

const MyError = createErrorClass<{ myDetails: string }>('MyError')

try {
  throw new MyError('My cool error', { details: { myDetails: 'string' } })
} catch (e) {
  assert.ok(e instanceof MyError)
}

Error.code

All errors support a code property. This property is designed to be used for internationalization so that translated text can be displayed based on the code rather than on the message.

import { RateLimitError } from '@shapeshiftoss/errors'

const e = new RateLimitError('Something bad happened', { code: 'ERR_RATE_LIMIT_INFURA' })

Types

ForbiddenError - Authorized but not allowed access request resource
NotFoundError - Can not find requested entity
RateLimitError - API returned a 429 error
UnauthorizedError - Trying to access a protected resource
ValidationError - Invalid data provided