complete redesign: use nodejs on server instead of php - documentation to be updated

nodejs/node_modules/stylus/lib/functions/length.js

@@ -0,0 +1,25 @@
+var utils = require('../utils');
+
+/**
+ * Return length of the given `expr`.
+ *
+ * @param {Expression} expr
+ * @return {Unit}
+ * @api public
+ */
+
+(module.exports = function length(expr){
+  if (expr) {
+    if (expr.nodes) {
+      var nodes = utils.unwrap(expr).nodes;
+      if (1 == nodes.length && 'object' == nodes[0].nodeName) {
+        return nodes[0].length;
+      } else {
+        return nodes.length;
+      }
+    } else {
+      return 1;
+    }
+  }
+  return 0;
+}).raw = true;