yan-error-class

ErrorClass

A bundle of error classes

Get Started

1. Install the package by npm:

   npm install yan-error-class

2. Import the error class and throw the instance

   import {AuthError} from 'yan-error-class';
    
   throw new AuthError('Invalid token');
    
   // or
    
   throw new AuthError({
       message: 'Invalid token'
       code: 101101 // you can define custom code
       status: 401  // http status code,
       extra: {user: 'admin'} // the extra object will be returned in http response body
       id: '1' // you can add custom key
   });

3. When you need a http response about a error:

   import {AuthError} from 'yan-error-class';
    
   let error = new AuthError('Invalid token');
   console.log(error.getHttpError()) // {code: 101101, message: 'Invalid token', extra: undefined}

Error Type

Use import to use these error class.

import {ErrorType} from 'yan-error-class';

The code can be defined as you need.

AuthError

usage: authentication failure

default code: 108

status: 401

BadRequestError

usage: bad url

default code: 102

status: 400

CloudUnavailableError

usage: the cloud is unavailable

default code: 103

status: 503

ConfigError

usage: get server config error

default code: 104

status: 409

ConflictError

usage: operate a resource in invalid status

default code: 107

status: 409

DatabaseError

usage: database error

default code: 105100

status: 503

ForbiddenError

usage: no permission to access a resource

default code: 101

status: 403

InfrastructureError

usage: basic infrastructure error

default code: 105

status: 503

InternalError

usage: internal error

default code: 100

status: 500

NotFoundError

usage: a resource is not existed

default code: 103

status: 404

RequestBodyError

usage: invalid request body

default code: 102

status: 400

UnavailableError

usage: the resource is unavailable

default code: 100

status: 503

UnSupportError

usage: the action is not supported

default code: 103

status: 503

Custom Error Class

import _ from 'lodash';
import {AbstractError} from 'yan-error-class';
 
export default class CustomError extends AbstractError {
    constructor(obj) {
        super(_.defaults(obj, {
              status: 400,
              code: 100000
          }));
    }
}