@bee.js/node/beeRequest.js

A JavaScript framework for making Node.js API´s

module.exports = async function request(req, res, ...validations) {
  const failConditions = [];
  const error = {};
  let valid = true;

  req.onlyFields = {};

  for (let i = 0; i < validations.length; i++) {
    const validation = validations[i];

    // filter fields
    if (validation.onlyFields && validation.onlyFields !== "*")
      req.onlyFields[validation.model] = validation.onlyFields
        .split(",")
        .map((field) => field.trim()); //TODO otimizar colocando na memoria

    // fail conditions
    for ([condition, fn] of Object.entries(validation.failConditions || [])) {
      let fail = await fn(req);

      if (!fail || fail.error === true) {
        failConditions.push(condition);
        error.message = fail && fail.message ? fail.message : "";
        valid = false;
      }
    }
  }

  return new Promise(function (resolve, reject) {
    valid === true
      ? resolve(req)
      : reject({
          requestError: function (_error = error, errorCode = 400) {
            try {
              res.status(errorCode).send({
                error: {
                  message:
                    _error.message || "There was an error in the request",
                },
                failConditions,
              });
            } catch {}
          },
        });
  });
};