/*import { checkSchema } from "express-validator";
const authValidation = () => checkSchema({
  // The location of the field, can be one or more of body, cookies, headers, params or query.
  // If omitted, all request locations will be checked
  // Sanitizers can go here as well
  id: {
    in: ["params", "query"],
    errorMessage: "ID is wrong",
    isInt: true,
    toInt: true},
  myCustomField: {
    // Custom validators
    custom: {
      options: (value, { req, location, path }) => {
        return value + req.body.foo + location + path;}},
    // and sanitizers
    customSanitizer: {
      options: (value, { req, location, path }) => {
        let sanitizedValue;
        if (req.body.foo && location && path) {sanitizedValue = parseInt(value);}
        else {sanitizedValue = 0;}
        return sanitizedValue;}}},
  password: {
    isLength: {
      errorMessage: "Password should be at least 7 chars long",
      // Multiple options would be expressed as an array
      options: { min: 7 }}},
  firstName: {
    isUppercase:{negated:true},// To negate a validator
    //rtrim:{options:[" ", "-"]},
  },
  // Wildcards/dots for nested fields work as well
  "addresses.*.postalCode": {
    // Make this field optional when undefined or null
    optional:{ nullable: true },
    isPostalCode: true
  }
});

*/