@rxstack/exceptions

The RxStack Exceptions

The Exception component contains a set of standard exception classes. They set the correct HTTP status codes for REST calls and socket responses.

Installation

npm install @rxstack/exceptions --save

Documentation

• Standard exceptions
• Special exceptions
• Helpers

Standard exceptions

The following exception types, all of which are instances of base Exception class are available:

• 400: BadRequest
• 401: Unauthorized
• 402: PaymentRequired
• 403: Forbidden
• 404: NotFound
• 405: MethodNotAllowed
• 406: NotAcceptable
• 407: ProxyAuthenticationRequired
• 408: RequestTimeout
• 409: Conflict
• 410: Gone
• 411: LengthRequired
• 412: PreconditionFailed
• 413: PayloadTooLarge
• 414: URITooLong
• 415: UnsupportedMediaType
• 416: Satisfiable
• 417: ExpectationFailed
• 422: UnprocessableEntity
• 429: TooManyRequests
• 451: UnavailableForLegalReasons
• 500: HttpException
• 501: NotImplemented
• 502: BadGateway
• 503: Unavailable
• 507: InsufficientStorage

Exceptions contain the following fields:

• name: The error name
• message: The error message
• stack: The error stack
• data: extra data
• statusCode: The HTTP status code

Special exceptions

If you use https://github.com/typestack/class-validator then you need ValidationException:

import {ValidationException} from `@rxstack/exceptions`

const errors: ValidationError[];
throw new ValidationException(errors);

Helpers

To transform a native error to exception, you can use:

import {transformToException} from `@rxstack/exceptions`

// returns instance of Exception
transformToException(error);