Function parseVal

test/compute-engine/latex-syntax/numbers.test.ts:10–16

parseVal checks that the result is a numericValue (or an integer)

(s: string)

/** parseVal checks that the result is a numericValue (or an integer) */
function parseVal(s: string): string | number {
  const expr = ce.parse(s);
  if (!isNumber(expr)) return NaN;
  const result = expr.numericValue;
  if (typeof result === 'number') return result;
  return result.toString();
}

describe('PARSING OF NUMBER', () => {
  test('Basic Parsing', () => {