module.exports = postcss.plugin('postcss-rtlcss-combined', function (opts) {
opts = opts || {};
var rtlify = postcssJs.sync([ rtlcss() ]);
return function (css, result) {
var ltr = postcssJs.objectify(css);
var rtl = rtlify(ltr);
var ltrOnly = differ(rtl, ltr);
var rtlOnly = differ(ltr, rtl);
var sources = [];
if (ltrOnly == null) {
sources.push({ src: ltr, plugin: prefixDir });
} else {
var ltrNonOverridable = dedupe(prune(ltrOnly), prune(rtlOnly));
var bothAndLtrOverridable = differ(ltrNonOverridable, ltr);
if(bothAndLtrOverridable != null)
sources.push({ src: bothAndLtrOverridable, plugin: prefixDir });
sources.push({ src: ltrNonOverridable, plugin: prefixDir({ dir: 'ltr' }) });
sources.push({ src: rtlOnly, plugin: prefixDir({ dir: 'rtl' }) });
}
var res = sources.map(function (obj) {
return postcss(obj.plugin ? [obj.plugin] : [])
.process(obj.src, { parser: postcssJs });
});
return new Promise(function (resolve) {
Promise.all(res).then(function (values) {
result.root = postcss.root();
var nodesBySelector = {};
values.forEach(function (v) {
v.root.nodes.forEach(function(n) {
if (!nodesBySelector[n._originalSelector]) {
nodesBySelector[n._originalSelector] = [];
}
nodesBySelector[n._originalSelector].push(n);
});
});
Object.keys(nodesBySelector).forEach(function(selector) {
nodesBySelector[selector].forEach(function(node) {
result.root.append(node);
});
});
resolve();
});
});
};
});
hexo.extend.filter.register('after_render:css', function(css, data) {
css = postcss.parse(css);
css = postcssJs.objectify(css);
var cssFlow = postcssJs.sync([
autoprefixer({
browsers: ['> 5%', 'last 3 versions', 'Firefox ESR', 'iOS >= 6', 'Android >= 4.0', 'ExplorerMobile >= 10']
})
]);
var result = cssFlow(css);
return result.css;
});