https://github.com/ronapelbaum/karma-coverage-incremental

a karma-coverage plugin for incremental coverage
https://github.com/ronapelbaum/karma-coverage-incremental

javascript karma-coverage

Last synced: about 1 year ago
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a karma-coverage plugin for incremental coverage

• Host: GitHub
• URL: https://github.com/ronapelbaum/karma-coverage-incremental
• Owner: ronapelbaum
• License: mit
• Created: 2017-04-24T13:16:23.000Z (about 9 years ago)
• Default Branch: master
• Last Pushed: 2019-10-21T22:09:26.000Z (over 6 years ago)
• Last Synced: 2025-03-24T11:41:44.480Z (about 1 year ago)
• Topics: javascript, karma-coverage
• Language: JavaScript
• Homepage:
• Size: 55.7 KB
• Stars: 4
• Watchers: 0
• Forks: 0
• Open Issues: 3
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

          
karma-coverage-incremental

===

[![npm version](https://badge.fury.io/js/karma-coverage-incremental.svg)](https://badge.fury.io/js/karma-coverage-incremental)

[![Build Status](https://travis-ci.org/ronapelbaum/karma-coverage-incremental.svg?branch=master)](https://travis-ci.org/ronapelbaum/karma-coverage-incremental)

[![Coverage Status](https://coveralls.io/repos/github/ronapelbaum/karma-coverage-incremental/badge.svg?branch=master)](https://coveralls.io/github/ronapelbaum/karma-coverage-incremental?branch=master)

A karma-coverage plugin for incremental coverage

# Usage

```

npm install --save-dev karma-coverage-incremental

```

## Karma (JSON support)

#### install `karma-coverage`

```

npm i -D karma-coverage

```

#### config `karma-coverage`

- Outsource threshold in a separate json file 

- Use `json-summary` coverage-reporter

```javascript

coverageReporter: {

  check: {

    global: require('./coverage.conf.json') 

  }

  reporters: [

           {type: 'json-summary'}

        ]

}

```

#### add `increment`

Add `increment` to reporters:

```javascript

    reporters: ['coverage', 'increment']

```

#### config `increment`

```javascript

incrementConfig: {

  flexibility: 0.5, //factor to reduce the roughness of the latest coverage results

  coverageCheckPath: './coverage.conf.json' //path to coverage threshold json

}

```

#### How does it work?

Takes the latest coverage report (from `json-summary` plugin) and smart-copies it to the `coverage.conf.json` file.

## Node

(in progress...)

## Istanbul (YAML support)

(in progress...)

# Development

```

npm install

npm test

npm run lint

npm run lint-fix

```