Added Unix-like piping. Allows chaining of function calls where every succeeding call receives as first argument the result of all preceding expressions.

src/nodes.coffee

@@ -1277,6 +1277,23 @@ exports.IfNode: class IfNode extends BaseNode
     else_part:  if @else_body then @else_body.compile(o) else 'null'
     "$if_part : $else_part"
 
+#### PipeNode
+
+# Unix-like piping. Allows chaining of function calls where every succeeding
+# call receives as first argument the result of all preceding expressions.
+exports.PipeNode: class PipeNode extends BaseNode
+  type: 'Pipe'
+
+  constructor: (left, right, fallback) ->
+    @children: [@left: left, @right: right]
+    @fallback: fallback
+
+  compile_node: (o) ->
+    if @right instanceof CallNode and not (@right.is_new or @right.is_super)
+      @right.args.unshift @left
+      return @right.compile o
+    new OpNode((if @fallback and @left instanceof PipeNode then '||' else '|'), @left, @right).compile o
+
 # Faux-Nodes
 # ----------