Function getMessage

lib/internal/errors.js:595–618

(key, args, self)

}

function getMessage(key, args, self) {
  const msg = messages.get(key);

  if (typeof msg === 'function') {
    assert(
      msg.length <= args.length, // Default options do not count.
      `Code: ${key}; The provided arguments length (${args.length}) does not ` +
        `match the required ones (${msg.length}).`,
    );
    return ReflectApply(msg, self, args);
  }

  const expectedLength = getExpectedArgumentLength(msg);
  assert(
    expectedLength === args.length,
    `Code: ${key}; The provided arguments length (${args.length}) does not ` +
      `match the required ones (${expectedLength}).`,
  );
  if (args.length === 0)
    return msg;

  ArrayPrototypeUnshift(args, msg);
  return ReflectApply(lazyInternalUtilInspect().format, null, args);
}

let uvBinding;