Mini-rest-errors NPM

mini-rest-errors

Error objects for mini-rest project

If you have different needs regarding the functionality, please add a feature request.

Installation

npm install --save mini-rest-errors

Usage

`HTTPError`

Inherits Error

Constructor `HTTPError = new (status, message)`

status {Number} - HTTP Status Code (see appErrors section)
message {String} - Error message to override default HTTP Error Message based on status code value (according to http.STATUS_CODES) (optional)

Properties

status - HTTP status code as set in constructor
message - HTTP error message as set in constructor or defined in http.STATUS_CODES
stack - Error stack inherited from Error

`AppError`

Inherits HTTPError

Constructor `AppError = new(code, details)`

code {String} - Error code (see appErrors section)
details {String} - Error details (optional)
code - Error code as set in constructor
status - HTTP status code as defined in appErrors
message - Error message as defined in appErrors
details - Error details as set in constructor
stack - Error stack inherited from Error

exported

constructError

Example

examples/index.js

/**
 * Created by alykoshin on 08.03.16.
 */

'use strict';

var appErrors = require('../').appErrors;
var AppError = require('../').AppError;
var HTTPError = require('../').HTTPError;

console.log('\n* HTTPError Example 1\n');

var httpError = new HTTPError(400);
console.log('httpError:', httpError);
console.log('httpError.stack:', httpError.stack);

console.log('\n* HTTPError Example 2\n');

var httpError = new HTTPError(400, 'This message overrides default');
console.log('httpError:', httpError);
console.log('httpError.stack:', httpError.stack);

console.log('\n* AppError Example 1\n');

var appError = new AppError('notImplemented');
console.log('appError:', appError);
console.log('appError.stack:', appError.stack);

console.log('\n* AppError Example 2\n');

var appError = new AppError('notImplemented', 'more data');
console.log('appError:', appError);
console.log('appError.stack:', appError.stack);

console.log('\n* AppError Example 3\n');

appErrors.newAppError = {
  status: 500,
  message: 'newAppError Message'
};

var appError = new AppError('newAppError', 'more data');
console.log('appError:', appError);
console.log('appError.stack:', appError.stack);

$ node examples/index.js

* HTTPError Example 1

httpError: { [HTTPError: Bad Request] status: 400, message: 'Bad Request' }
httpError.stack: HTTPError: Bad Request
    at Object.<anonymous> (<...>/mini-rest-errors/examples/index.js:13:17)
    at Module._compile (module.js:413:34)
    at Object.Module._extensions..js (module.js:422:10)
    at Module.load (module.js:357:32)
    at Function.Module._load (module.js:314:12)
    at Function.Module.runMain (module.js:447:10)
    at startup (node.js:139:18)
    at node.js:999:3

* HTTPError Example 2

httpError: { [HTTPError: This message overrides default] status: 400, message: 'This message overrides default' }
httpError.stack: HTTPError: This message overrides default
    at Object.<anonymous> (<...>/mini-rest-errors/examples/index.js:19:17)
    at Module._compile (module.js:413:34)
    at Object.Module._extensions..js (module.js:422:10)
    at Module.load (module.js:357:32)
    at Function.Module._load (module.js:314:12)
    at Function.Module.runMain (module.js:447:10)
    at startup (node.js:139:18)
    at node.js:999:3

* AppError Example 1

appError: { [AppError: Internal Server Error]
  details: '',
  code: 'notImplemented',
  status: 500,
  message: 'Internal Server Error' }
appError.stack: AppError: Internal Server Error
    at Object.<anonymous> (<...>/mini-rest-errors/examples/index.js:25:16)
    at Module._compile (module.js:413:34)
    at Object.Module._extensions..js (module.js:422:10)
    at Module.load (module.js:357:32)
    at Function.Module._load (module.js:314:12)
    at Function.Module.runMain (module.js:447:10)
    at startup (node.js:139:18)
    at node.js:999:3

* AppError Example 2

appError: { [AppError: Internal Server Error]
  details: 'more data',
  code: 'notImplemented',
  status: 500,
  message: 'Internal Server Error' }
appError.stack: AppError: Internal Server Error
    at Object.<anonymous> (<...>/mini-rest-errors/examples/index.js:31:16)
    at Module._compile (module.js:413:34)
    at Object.Module._extensions..js (module.js:422:10)
    at Module.load (module.js:357:32)
    at Function.Module._load (module.js:314:12)
    at Function.Module.runMain (module.js:447:10)
    at startup (node.js:139:18)
    at node.js:999:3

* AppError Example 3

appError: { [AppError: newAppError Message]
  details: 'more data',
  code: 'newAppError',
  status: 500,
  message: 'newAppError Message' }
appError.stack: AppError: newAppError Message
    at Object.<anonymous> (<...>/mini-rest-errors/examples/index.js:42:16)
    at Module._compile (module.js:413:34)
    at Object.Module._extensions..js (module.js:422:10)
    at Module.load (module.js:357:32)
    at Function.Module._load (module.js:314:12)
    at Function.Module.runMain (module.js:447:10)
    at startup (node.js:139:18)
    at node.js:999:3

Predefined appErrors

{
  'notImplemented': {
    status:  500,
    // use default message
  },
  'unknownError': {
    status:  500,
    // use default message
  },
  'badRequest': {        // Invalid request from client / external entity
    status: 400,
  },
  'pageNotFound': {
    status:  404,
    // use default message
  }
}