Class: ElementSizeExtractor

ElementSizeExtractor()

Extractor for retrieving and caching the size of a subtree in terms of non-Property nodes only.

Constructor

new ElementSizeExtractor()

Create a new Extractor instance
Implements:
Source:

Classes

ElementSizeExtractor

Members

(protected) _memo :Map.<Node, Number>

Type:
  • Map.<Node, Number>
Source:

Methods

(protected) _extract(node)

Extract the element size for a subtree and cache it.
Parameters:
Name Type Description
node Node The root of the subtree
Source:

get(node) → {Number}

Get the cached element size of a subtree. If it is not cached, compute it first.
Parameters:
Name Type Description
node Node The root node of the subtree
Source:
Returns:
Type
Number