@miy2/xml-api

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Type Alias: Validator()

Validator = (node, input) => boolean

A function that performs semantic or contextual validation on a parsed CST node.

It is used to enforce rules that cannot be easily expressed by the grammar itself, such as matching start and end tag names or ensuring attribute uniqueness. If it returns false, the node's wellFormed flag is set to false, but the parsing process continues.

Parameters

node

CST

input

string

Returns

boolean