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@times/error-collection

v1.0.2

Published

Allows collections of errors to be built and bubbled up through an application

Downloads

15

Readme

Error Collection

Allows collections of errors to be bubbled up through an application

Build Status Code coverage npm version

Usage

// Load the library
const { ErrorCollection } = require('@times/error-collection');

// Create an error with attached data
const error = new ErrorCollection('INVALID_ID', { id });

// You can append more errors to the chain
error.addError('ANOTHER_ERROR');

// And then get all the errors back
error.getErrors();

Chai plugin

There is a Chai plugin that adds throwErrorCollection() and rejectedWithErrorCollection() methods which can be used for testing.

// Load the plugin
const { errorCollectionChaiPlugin } = require('@times/error-collection');

// Load chai and initialise the plugin
const chai = require('chai');
chai.use(errorCollectionChaiPlugin);
const expect = chai.expect;

// Write your tests
describe('myThing', () => {
  describe('#myMethod()', () => {
    it('should pass a valid check', () => {
      expect(() => {}).to.throwErrorCollection([
        { code: 'SOME_ERROR', data: { name: 'test' } },
      ]);
    });


    it('should pass a valid promise check', () => {
      return expect(
        myFunction()
      ).to.be.rejectedWithErrorCollection([
        { code: 'SOME_ERROR', data: { name: 'test' } },
      ]);
    });
  });
});

Contributing

Pull requests are very welcome. Please include a clear description of any changes, and full test coverage.

During development you can run tests with

npm test