htmllint/lib/rules/button-req-content.js

An unofficial html5 linter.

var Issue = require('../issue');

module.exports = {
    name: 'button-req-content',
    on: ['tag'],
    filter: ['button'],
    desc: [
        'WCAG rule [78](http://oaa-accessibility.org/wcag20/rule/78/):',
        'Each `button` element must contain content.'
    ].join('\n')
};

module.exports.lint = function (element, opts) {
    return element.children.length === 0
        ? new Issue('E061', element.openLineCol)
        : [];
};