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1 files changed, 71 insertions, 0 deletions

diff --git a/node_modules/stylus/lib/functions/selector.js b/node_modules/stylus/lib/functions/selector.js
new file mode 100644
index 00000000..45a421d6
--- /dev/null
+++ b/node_modules/stylus/lib/functions/selector.js
@@ -0,0 +1,71 @@
+var utils = require('../utils');
+
+/**
+ * Return the current selector or compile
+ * selector from a string or a list.
+ *
+ * @param {String|Expression}
+ * @return {String}
+ * @api public
+ */
+
+(module.exports = function selector(){
+  var stack = this.selectorStack
+    , args = [].slice.call(arguments);
+
+  if (1 == args.length) {
+    var expr = utils.unwrap(args[0])
+      , len = expr.nodes.length;
+
+    // selector('.a')
+    if (1 == len) {
+      utils.assertString(expr.first, 'selector');
+      var SelectorParser = require('../selector-parser')
+        , val = expr.first.string
+        , parsed = new SelectorParser(val).parse().val;
+
+      if (parsed == val) return val;
+
+      stack.push(parse(val));
+    } else if (len > 1) {
+      // selector-list = '.a', '.b', '.c'
+      // selector(selector-list)
+      if (expr.isList) {
+        pushToStack(expr.nodes, stack);
+      // selector('.a' '.b' '.c')
+      } else {
+        stack.push(parse(expr.nodes.map(function(node){
+          utils.assertString(node, 'selector');
+          return node.string;
+        }).join(' ')));
+      }
+    }
+  // selector('.a', '.b', '.c')
+  } else if (args.length > 1) {
+    pushToStack(args, stack);
+  }
+
+  return stack.length ? utils.compileSelectors(stack).join(',') : '&';
+}).raw = true;
+
+function pushToStack(selectors, stack) {
+  selectors.forEach(function(sel) {
+    sel = sel.first;
+    utils.assertString(sel, 'selector');
+    stack.push(parse(sel.string));
+  });
+}
+
+function parse(selector) {
+  var Parser = new require('../parser')
+    , parser = new Parser(selector)
+    , nodes;
+  parser.state.push('selector-parts');
+  nodes = parser.selector();
+  nodes.forEach(function(node) {
+    node.val = node.segments.map(function(seg){
+      return seg.toString();
+    }).join('');
+  });
+  return nodes;
+}