node-wcag

WCAG and Section 508 accessibility audits from the command line or as a traditional node module.

CLI installation

$ npm install wcag --global

CLI usage

First, get a free AChecker API ID. Then:

$ wcag wikipedia.org --id=<achecker id>

Also works against localhost:

$ wcag localhost:8000 --id=<achecker id>

Options

id

Type: string

Your free AChecker API ID.

$ wcag wikipedia.org --id=845cc0a8435cb0a766396a8c56399a43df0c843

If an id is not passed on the command line, the tool will check for an ACHECKER_ID environment variable.

guide

Type: string
Choices: 508, WCAG1-A, WCAG1-AA, WCAG1-AAA, WCAG2-A, WCAG2-AA, WCAG2-AAA, BITV1, STANCA Default: WCAG2-AA

The accessbility guideline to validate against.

$ wcag wikipedia.org --id=<achecker id> --guide=508
$ wcag wikipedia.org --id=<achecker id> --guide=BITV1

Module installation

$ npm install wcag

Module usage

var wcag = require('wcag');
var options = {
  id: '69f6ea6a9e30b37c3d341d3b716df218f8942c0e',
  uri: 'http://contolini.github.io/node-wcag/test/fixtures/whitehouse.html',
  guide: 'WCAG2-AA'
};

wcag(options, function (error, data) {
  if (error) {
    console.error(error);
  } else {
    console.log(data);
  }
});

The example will return this output

Options

id

Type: string
Required: true Your free AChecker API ID.

uri

Type: string Required: true URL for the page you want to validate

guide

Type: string Required: false Choices: 508, WCAG1-A, WCAG1-AA, WCAG1-AAA, WCAG2-A, WCAG2-AA, WCAG2-AAA, BITV1, STANCA Default: WCAG2-AA

The accessbility guideline to validate against.

Contributing

Please read the Contributing guidelines.

Running node-wcag locally

To contribute code, fork this repo, clone it down to your machine and use npm link:

$ npm uninstall -g wcag
$ cd node-wcag
$ npm link
$ wcag whatever.com

Running tests

We are using nodeunit to test. To run tests, first install nodeunit and any dependencies via npm:

npm install

Run tests with:

npm test

License

The project is in the public domain within the United States, and copyright and related rights in the work worldwide are waived through the CC0 1.0 Universal public domain dedication.

All contributions to this project will be released under the CC0 dedication. By submitting a pull request, you are agreeing to comply with this waiver of copyright interest.

Software source code previously released under an open source license and then modified by CFPB staff is considered a "joint work" (see 17 USC § 101); it is partially copyrighted, partially public domain, and as a whole is protected by the copyrights of the non-government authors and must be released according to the terms of the original open-source license.

For further details, please see: http://www.consumerfinance.gov/developers/sourcecodepolicy/