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# unified-latex-util-match

## What is this?

Functions to match different `Ast.Node` types in a `unified-latex` Abstract Syntax Tree (AST).

## When should I use this?

If you need a type-guard to ensure a node is of a certain type; for example, during a call to `unified-latex-until-visit`.

## Install

```bash
npm install @unified-latex/unified-latex-util-match
```

This package contains both esm and commonjs exports. To explicitly access the esm export,
import the `.js` file. To explicitly access the commonjs export, import the `.cjs` file.

# Constants

| Name    | Type                                                                                                                                                                                                                                                                                                  | Description                                  |
| :------ | :---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | :------------------------------------------- |
| `match` | `{ macro(node: any, macroName?: string): node is Ast.Macro; anyMacro(node: any): node is Ast.Macro; environment(node: any, envName?: string): node is Ast.Environment; ... 12 more ...; createEnvironmentMatcher: (macros: string[] \| Record<string, unknown>) => Ast.TypeGuard<Ast.Environment>; }` | Functions to match different types of nodes. |