open-mint-validator

The form validation for node apps.

Usage

Install the library with npm install open-mint-validator

var Validation = require('open-mint-validator');

module.exports = function (req, res) {

  var validator = new Validation();
  var fields = req.body;
  var query = {
    title: fields.title,
    amount: fields.amount,
    currency: 'EUR'
  };
  var response;

  validator.setRules({
    'title': {
      'len': {
        'args': [
          3,
          100
        ]
      }
    },
    'amount': {
      'float': true
    },
    'currency': {
      'enum': {
        'args': [
          [
            'EUR',
            'USD',
            'PLN'
          ]
        ]
      }
    }
  });

  if (validator.validate(query)) {

    // validation passed.
    // do something

  } else {

    // validation failed.
    // do something

    var errors = validator.getErrors();
    var key;

    for (key in errors) {
      console.log(
        errors[key]
      );
    }

  }
};

Available Validators

• len args: [ min, max ] - check if the string's length falls in a range. Note: this function takes into account surrogate pairs.
• email args: [] - check if the string is an email.
• equals args: [{string}] - check if the string matches the comparison.
• numeric args: [] - check if the string contains only numbers.
• int args: [] - check if the string is an integer.
• float args: [] - check if the string is a float.
• creditCard args: [] - check if the string is a correct credit card number.
• enum args: [ [ {string}, {string}... ] ] - check if the string is in a array of allowed values.
• date args: [] - check if the string is a date.
• alpha args: [] - check if the string contains only letters (a-zA-Z).
• url args: [ {object} ] - check if the string is an URL. options is an object which defaults to { protocols: ['http','https','ftp'], require_tld: true, require_protocol: false, allow_underscores: false }.