Function isDictionaryObject

src/math-json/utils.ts:42–53

(
  expr: MathJsonExpression | null
)

}

export function isDictionaryObject(
  expr: MathJsonExpression | null
): expr is MathJsonDictionaryObject {
  return (
    expr !== null &&
    typeof expr === 'object' &&
    'dict' in expr &&
    typeof expr.dict === 'object' &&
    !Array.isArray(expr.dict) &&
    expr.dict !== null
  );
}

export function isFunctionObject(
  expr: MathJsonExpression | null