interference

Custom error factory for microservices with HTTP code and internal type props Edit

Install

npm install interference

Usage

import Interference from 'interference' // or const Interference = require('interference').default

Factory

(message: string, type?: string, details?: any, code?: number): Interference

You can inject custom HTTP codes to map internal type errors to HTTP errors inside your main index.ts/index.js.

InjectCodes({
    INVALID_OBJECT_ID: 400,
    MISSING_OBJECT_ID: 400,
    EMPTY_DOCUMENT: 400,
    DOCUMENT_VALIDATION_ERROR: 400,
    MISSING_UNIQUE_KEY: 400,
    MISSING_AUTH_DATA: 400,
    CREDENTIALS_NOT_VALID: 400,
    MISSING_MANDATORY_PRAMETER: 400,
    TOKEN_NOT_VALID: 401,
    DOCUMENT_NOT_FOUND: 404,
    INCOMPATIBLE_CHANGE_STATUS: 409,
    DUPLICATED_DOCUMENT: 409,
    REMOTE_UNREACHABLE: 503,
    GENERIC_ERROR: 500,
  })

Then if you create a new error const error = Interference('Empty document', 'EMPTY_DOCUMENT', { dupe: '4350394' }) it you will be mapped to 400 HTTP error inside error.statutsCode.

InjectCodes must be called only once inside your project since it will set internal httpCodes var, that will be used for all future Interference instance.

Referenct to < es6 target

Extending built-ins Error