update/upgrade

1 files changed, 34 insertions, 0 deletions

diff --git a/node_modules/postcss-unnot/index.js b/node_modules/postcss-unnot/index.js
new file mode 100644
index 00000000..e7a160fd
--- /dev/null
+++ b/node_modules/postcss-unnot/index.js
@@ -0,0 +1,34 @@
+var postcss = require('postcss');
+var parser  = require('postcss-selector-parser');
+
+module.exports = postcss.plugin('postcss-unnot', function (opts) {
+	var method = opts && /^(move|pseudo|warn)$/.test(opts.method) ? opts.method : 'remove';
+
+	return function (css, result) {
+		css.walkRules(function (rule) {
+			var cloneSelectors = [];
+
+			if (rule.selector.indexOf(':not') !== -1) {
+				var parsedSelector = parser(function (selectors) {
+					selectors.each(function (selector) {
+						selector.eachPseudo(function (pseudo) {
+							if (pseudo.value === ':not') {
+								if (method === 'move') cloneSelectors.push(String(selector));
+
+								if (method === 'remove' || method === 'move') return selector.removeSelf() && false;
+								else if (method === 'pseudo') pseudo.removeSelf();
+								else if (method === 'warn') result.warn(':not detected', { node: rule });
+							}
+						});
+					});
+				}).process(rule.selector).result;
+
+				if (parsedSelector !== rule.selector) {
+					if (cloneSelectors.length) rule.parent.insertBefore(rule, rule.clone({ selector: String(cloneSelectors).trim() }));
+
+					rule.selector = parsedSelector;
+				}
+			}
+		});
+	};
+});