How to use the Error function from mongoose

app.js

GitHub: plaso/wallahack-test-api

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app.use((error, req, res, next) => {
  console.error(error);


  if (error instanceof mongoose.Error.ValidationError) {
    error = createError(StatusCodes.BAD_REQUEST, error);
  } else if (error instanceof mongoose.Error.CastError) {
    error = createError(StatusCodes.NOT_FOUND, 'Resource not found');
  } else if (error.message.includes('E11000')) {
    error = createError(StatusCodes.BAD_REQUEST, 'Already exists');
  } else if (error instanceof jwt.JsonWebTokenError) {

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+ 5 other calls in file

users.js

GitHub: KrinitsynaDarya/react-mesto-api-full-gha

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.then((user) => res.status(HTTP_STATUS_CREATED).send(user.clean()))
// данные не записались, вернём ошибку
.catch((err) => {
  if (err.code === 11000) {
    next(new ConflictError('Пользователь с данным email уже существует'));
  } else if (err instanceof mongoose.Error.ValidationError) {
    next(new BadRequestError(err.message));
  } else {
    next(err);
  }

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+ 14 other calls in file

middleware.js

GitHub: Fr0stFree/express-mesto-gha

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const errorHandler = async (err, req, res, next) => {
  if (err instanceof ObjectDoesNotExist) {
    return res.status(httpStatus.NOT_FOUND)
      .send({ message: err.message });
  }
  if (err instanceof mongoose.Error.ValidationError) {
    return res.status(httpStatus.BAD_REQUEST)
      .send({ message: 'Данные не прошли валидацию' });
  }
  if (err instanceof mongoose.Error.CastError) {

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+ 3 other calls in file

app.js

GitHub: mandicuervo/project3-ironhack-API

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})


app.use((error, req, res, next) => {
    console.log(error)


    if(error instanceof mongoose.Error.ValidationError) {
        error = createError(StatusCodes.BAD_REQUEST, error)
    } else if (error instanceof mongoose.Error.CastError) {
        error = createError(StatusCodes.BAD_REQUEST, 'Resource not found')
    } else if (error.message.includes('E11000')) {

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+ 3 other calls in file

users.js

GitHub: NekTarinka68/react-mesto-api-full-gha

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  throw new NotFoundError('Пользователь по указанному _id не найден');
})
  .then((user) => res.send(user))
  // eslint-disable-next-line consistent-return
  .catch((error) => {
    if (error instanceof mongoose.Error.CastError) {
      return next(new BadRequestError('Переданы некорректные данные'));
    }
    next(error);
  });

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+ 3 other calls in file

app.js

GitHub: AnderZulaikaAzkue/iron-proyect

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app.use((req, res, next) => next(createError(404, 'Route not found')))


app.use((error, req, res, next) => {
  if (error instanceof mongoose.Error.ValidationError) {
    error = createError(400, error);
  } else if (error instanceof mongoose.Error.CastError && error.path === '_id') {
    const resourceName = error.model().constructor.modelName;
    error = createError(404, `${resourceName} not found`);
  } else if (error.message.includes("E11000")) {
    // Duplicate key

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