lexx-data-validator

This is simple data validator

Installation

npm i lexx-data-validator

Usage

import {DataValidator, DataValidatorRuleSchemaMap, ValidationRule} from "lexx-data-validator";

const data = {
  name: 'John Doe',
  age: 10,
  email: 'jdoe@[email protected]',
  gender: ''
}

const schema: DataValidatorRuleSchemaMap = {
  email: ValidationRule().email(),
  gender: ValidationRule().required(),
  age: ValidationRule().min(12)
}

const oValidator = new DataValidator()
oValidator.schema(schema).validate(data);
console.log(oValidator.getErrors())

Result is:

[
  {key: 'age', message:'10 should be greater than or equal to 12'},
  {key: 'email', message:'jdoe@[email protected] is not valid'},
  {key: 'gender', message: 'gender is required'}
]

Features

Since v 0.2.0 you can add message for errored values like shown below

const schema: DataValidatorRuleSchemaMap = {
  email: ValidationRule().email('E-mail is invalid'),
  gender: ValidationRule().required('Gender is required'),
  age: ValidationRule().min(12, 'Minimum value is 12')
}

Change log

Version|Changes ---|--- 0.3.0|Reorganized error structure 0.2.0|Added messages for error 0.1.3|If field is required and it not pass with data object - it is an error 0.1.2|string is deprecated. Use alpha method instead 0.1.1|min, max, email, string, number, required