Function checkOperator

lib/internal/assert/assertion_error.js:94–109

(actual, expected, operator)

}

function checkOperator(actual, expected, operator) {
  // In case both values are objects or functions explicitly mark them as not
  // reference equal for the `strictEqual` operator.
  if (
    operator === 'strictEqual' &&
    ((typeof actual === 'object' &&
      actual !== null &&
      typeof expected === 'object' &&
      expected !== null) ||
      (typeof actual === 'function' && typeof expected === 'function'))
  ) {
    operator = 'strictEqualObject';
  }

  return operator;
}

function getColoredMyersDiff(actual, expected) {
  const header = `${colors.green}actual${colors.white} ${colors.red}expected${colors.white}`;