htmllint/lib/knife/tag_utils.js

An unofficial html5 linter.

module.exports.isSelfClosing = function (element) {
    var openRaw = element.open;

    return openRaw[openRaw.length - 1] === '/';
};

// Check whether the given tag has a non-empty attribute with the given
// name. Count "" as a non-empty attribute value only if optional
// parameter allowNull is true,
module.exports.hasNonEmptyAttr = function(tag, attr, allowNull) {
    var a = tag.attribs[attr];
    return (a && (allowNull || (a.value && a.value.length > 0)));
};