# unified-latex-util-render-info ## What is this? Functions to help modify the `_renderInfo` of a `unified-latex` Abstract Syntax Tree (AST). ## When should I use this? If you want to compare the structure of an AST without position information or extra information that is kept for pretty-printing, these functions can be used to remove/modify the `_renderInfo` of an `Ast.Node`. ## Install ```bash npm install @unified-latex/unified-latex-util-render-info ``` 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. # Functions ## `trimRenderInfo(ast)` Removes any `_renderInfo` and `position` tags present in the AST. This operation is *destructive*. ```typescript function trimRenderInfo(ast: Ast.Ast): T; ``` **Parameters** | Param | Type | | :---- | :-------- | | ast | `Ast.Ast` | ## `updateRenderInfo(node, renderInfo)` Updates the `._renderInfo` property on a node to include whatever has been supplied to `renderInfo`. If `renderInfo` is null, no update is performed. *This operation mutates `node`* ```typescript function updateRenderInfo( node: Ast.Node | Ast.Argument, renderInfo: {} ): Ast.Node | Ast.Argument; ``` **Parameters** | Param | Type | | :--------- | :------------------------- | | node | `Ast.Node \| Ast.Argument` | | renderInfo | `{}` |