Function E

lib/internal/errors.js:555–586

(sym, val, def, ...otherClasses)

// Utility function for registering the error codes. Only used here. Exported
// *only* to allow for testing.
function E(sym, val, def, ...otherClasses) {
  // Special case for SystemError that formats the error message differently
  // The SystemErrors only have SystemError as their base classes.
  messages.set(sym, val);

  const ErrClass = def === SystemError ?
    makeSystemErrorWithCode(sym) :
    makeNodeErrorWithCode(def, sym);

  if (otherClasses.length !== 0) {
    if (otherClasses.includes(HideStackFramesError)) {
      if (otherClasses.length !== 1) {
        otherClasses.forEach((clazz) => {
          if (clazz !== HideStackFramesError) {
            ErrClass[clazz.name] = makeNodeErrorWithCode(clazz, sym);
            ErrClass[clazz.name].HideStackFramesError = makeNodeErrorForHideStackFrame(ErrClass[clazz.name], clazz);
          }
        });
      }
    } else {
      otherClasses.forEach((clazz) => {
        ErrClass[clazz.name] = makeNodeErrorWithCode(clazz, sym);
      });
    }
  }

  if (otherClasses.includes(HideStackFramesError)) {
    ErrClass.HideStackFramesError = makeNodeErrorForHideStackFrame(ErrClass, def);
  }

  codes[sym] = ErrClass;
}

function getExpectedArgumentLength(msg) {
  let expectedLength = 0;