Function mathjsonToLatex

scripts/fungrim/gen-reference-doc.ts:215–234

(
  ce: ReturnType<typeof createEngine>,
  e: Entry,
  node: unknown
)

}

function mathjsonToLatex(
  ce: ReturnType<typeof createEngine>,
  e: Entry,
  node: unknown
): string | null {
  try {
    const latex = withEntryScope(ce, e, () =>
      ce.expr(rewriteUpperHalfPlane(node) as any, { canonical: false }).latex
    );
    // The serializer emits literal newlines after `\\` row separators inside
    // matrix environments (e.g. `pmatrix`). A `$$…$$` (or inline `$…$`) block
    // must stay on a single physical line, otherwise the markdown/KaTeX
    // renderer splits the math span and the tail renders as raw LaTeX. Collapse
    // any embedded newline to a space — whitespace is token-equivalent in LaTeX,
    // so `\\ ` renders identically to `\\\n`.
    return latex.replace(/\s*\r?\n\s*/g, ' ');
  } catch {
    return null;
  }
}

/** Render the engine-usage sentence ("simplification", "expansion", "solving"). */
function usageSentence(u: Usage | undefined): string {