dom.css = function(selector, string) {
var match;
selector = utils.minify_css_selector(selector);
// start with the last stylesheet
var stylesheets = _.toArray(document.styleSheets).reverse();
_.every(stylesheets, function(stylesheet) {
// ignore disabled stylesheets
if (stylesheet.disabled) { return true; } // continue
var rules = stylesheet.cssRules || stylesheet.rules || [];
match = _.find(rules, function(rule) {
// find matching minified selector
return utils.minify_css_selector(rule.selectorText) === selector;
});
return !match;
});
// always return an object
if (!match) { return {}; }
// remove selector and braces, leaving only the CSS properties
var rule = match.cssText.replace(/^.*{\s*/, '').replace(/\s*}\s*$/, '');
// convert the property string to an object
var css = _.chain(rule.split(';')).map(function(property) {
var map = _.map(property.split(':'), _.str.clean);
return map.length === 2 ? map : null;
}).compact().object().value();
return !string ? css :
_.reduce(css, function(str, value, prop) {
return str + _.str.sprintf('%s: %s; ', prop, value);
}, '').trim();
};
match = _.find(rules, function(rule) {
// find matching minified selector
return utils.minify_css_selector(rule.selectorText) === selector;
});