Home > @rushstack/tree-pattern > TreePattern

TreePattern class

A fast, lightweight pattern matcher for tree structures such as an Abstract Syntax Tree (AST).

Signature:

export declare class TreePattern 

Constructors

Constructor	Modifiers	Description
(constructor)(pattern)		Constructs a new instance of the TreePattern class

Methods

Method	Modifiers	Description
match(root, captures)		Match an input tree.
oneOf(possibleSubtrees)	static	Used to specify alternative possible subtrees in the search pattern.
tag(tagName, subtree)	static	Labels a subtree within the search pattern, so that the matching object can be retrieved.