dfcreative/mucss

/**
 * Vendor prefixes
 * Method of http://davidwalsh.name/vendor-prefix
 * @module mucss/prefix
 */

var styles = getComputedStyle(document.documentElement, '');

if (!styles) {
    module.exports = {
        dom: '', lowercase: '', css: '', js: ''
    };
}

else {
    var pre = (Array.prototype.slice.call(styles)
        .join('')
        .match(/-(moz|webkit|ms)-/) || (styles.OLink === '' && ['', 'o'])
    )[1];

    var dom = ('WebKit|Moz|MS|O').match(new RegExp('(' + pre + ')', 'i'))[1];

    module.exports = {
        dom: dom,
        lowercase: pre,
        css: '-' + pre + '-',
        js: pre[0].toUpperCase() + pre.substr(1)
    };
}