unified-latex-util-align

What is this?

Functions to parse an analyze "align" environments like \begin{align}...\end{align} or \begin{bmatrix}...\end{bmatrix}.

When should I use this?

If you need to process the contents of an align environment for, e.g., pretty-printing.

Install

npm install @unified-latex/unified-latex-util-align
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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

createMatchers(rowSepMacros, colSep)

function createMatchers(
  rowSepMacros: string[],
  colSep: string[]
): {
  isRowSep: Ast.TypeGuard<Ast.Macro & { content: string }>;
  isColSep: (node: Ast.Node) => boolean;
  isWhitespace: (node: Ast.Node) => boolean;
  isSameLineComment: (node: Ast.Node) => boolean;
  isOwnLineComment: (node: Ast.Node) => boolean;
};
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Parameters

parseAlignEnvironment(ast, colSep, rowSepMacros)

Parse the content of an align environment into an array of row objects. Each row object looks like

 {
   cells: [...],
   colSeps: [...],
   rowSep: ...,
   trailingComment: ...
 }
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... may be an ast node or null.

function parseAlignEnvironment(
  ast: Ast.Node[],
  colSep: string[],
  rowSepMacros: string[]
): Row[];
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Parameters