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    blanket.js is a simple code coverage library for javascript. Designed to be easy to install and use, for both browser and nodejs.
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    Blanket.js

    A seamless JavaScript code coverage library.

    FYI: Please note that this repo is not actively maintained

    If you're looking for a more active project for JavaScript code coverage, I recommend Istanbul.

    Project home page
    Blanket_js on Twitter for updates and news.

    NOTE: All Pull-Requests must be made into the master branch.

    Build Status Dependency Status devDependency Status

    NOTE: Blanket.js will throw XHR cross domain errors if run with the file:// protocol. See Special Features Guide for more details and workarounds.

    Getting Started

    Please see the following guides for using Blanket.js:

    Browser

    Node

    Configuration

    Philosophy

    Blanket.js is a code coverage tool for javascript that aims to be:

    1. Easy to install
    2. Easy to use
    3. Easy to understand

    Blanket.js can be run seamlessly or can be customized for your needs.

    Mechanism

    JavaScript code coverage compliments your existing JavaScript tests by adding code coverage statistics (which lines of your source code are covered by your tests).

    Blanket works in a 3 step process:

    1. Loading your source files
    2. Parsing the code using Esprima and node-falafel, and instrumenting the file by adding code tracking lines.
    3. Connecting to hooks in the test runner to output the coverage details after the tests have completed.

    Grunt Integration

    You've got a few options for using Grunt with Blanket:

    grunt-blanket

    A Grunt plugin has been created to allow you to use Blanket like a "traditional" code coverage tool (creating instrumented copies of physical files, as opposed to live-instrumenting). The plugin runs as a standlone project and can be found here.

    grunt-blanket-qunit

    Runs the QUnit-based Blanket report headlessly using PhantomJS. Results are displayed on the console, and the task will cause Grunt to fail if any of your configured coverage thresholds are not met. Minimum code coverage thresholds can be configured per-file, per-module, and globally.

    See:

    Compatibility and Features List

    See the Compatiblity and Feature List including links to working examples.

    Roll your own

    1. git clone git@github.com:alex-seville/blanket.git
    2. npm install
    3. Add your custom build details to the grunt.js file under concat
    4. npm run build

    A minified and unminfied copy of the source can be created (see the min task).

    Development

    All development takes place on the master branch
    Your pull request must pass all tests (run npm test to be sure) and respect all existing coverage thresholds

    Contact

    Feel free to add questions to the Issue tracker, or send them to @blanket_js.

    Contributors

    Thanks to the many people who have contributed to the project.

    And thanks also to: RequireJS, Esprima, node-falafel, Mocha, Qunit.

    Revision History

    Feb 18-15 - 1.2.2 PR's merged, but this project is not actively maintained.

    May 1-13 - 1.1.4
    Loaded reverting for grunt-blanket, branch tracking reporter fixed, coverage on-the-go (displaying coverage results while a single page is being used).

    Apr 28-13 - 1.1.3 YUI support added with custom adapter (and some wrapping code). CompoundJS support appears to be outside the scope of project.

    ... (see full revision history)

    License

    Copyright (c) 2012-2013 Alex Seville
    Licensed under the MIT license.

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