Function tryStringify

lib/internal/util/inspect.js:2752–2772

(arg)

const firstErrorLine = (error) => StringPrototypeSplit(error.message, '\n', 1)[0];
let CIRCULAR_ERROR_MESSAGE;
function tryStringify(arg) {
  try {
    return JSONStringify(arg);
  } catch (err) {
    // Populate the circular error message lazily
    if (!CIRCULAR_ERROR_MESSAGE) {
      try {
        const a = {};
        a.a = a;
        JSONStringify(a);
      } catch (circularError) {
        CIRCULAR_ERROR_MESSAGE = firstErrorLine(circularError);
      }
    }
    if (err.name === 'TypeError' &&
        firstErrorLine(err) === CIRCULAR_ERROR_MESSAGE) {
      return '[Circular]';
    }
    throw err;
  }
}

function format(...args) {
  return formatWithOptionsInternal(undefined, args);