JavaScript library to validate the values of the fields of forms or variables in general
Installation
npm i validatorjs-akerAvailable languages
- English ('en') Default
- Spanish ('es')
- Italian ('it')
- Portuguese ('pt')
- French ('fr')
- Deutsch ('de')
- Japanese ('ja')
- Chinese ('zh')
- Russian ('ru')
Usage example
import Validator from 'validatorjs-aker'
import it from 'validatorjs-aker/lang/it'
const validator = new Validator()
// const validator = new Validator('es')
// const validator = new Validator(it)
const number = 133
const text = 'John Doe'
const inputLastName = document.querySelector('#last-name')
const inputEmail = document.querySelector('#email')
validator.add(number, 'Number const').required().isNumber().min(150).maxLength(4)
validator.add(text, 'Text const').isString().minLength(3)
validator.add(inputLastName.value, 'Last name', inputLastName.id).required('The last name is required, please check it.').isString().minLength(inputLastName.minLength)
validator.add(inputEmail.value, 'Email', 'error_email_div').required().isString().isEmail()
if(validator.hasErrors()){
console.log(validator.getFirstError())
// or
console.log(validator.getErrorsMessages())
// or
console.log(validator.getErrorsDetail())
// or
document.querySelector('#div-errors').appendChild(validator.getErrorsList())
}Methods
Note: The
personalized_messageparameter is to show a custom error message for each error.
| Method | Description |
|---|---|
add(value: string/number/null, field_name: string, element_id: string/number/null) |
Add the value to the validations |
required(personalized_message: string/null) |
Check if the field value is empty or null |
isNumber(personalized_message: string/null) |
Check if the field value is a number or not |
isString(personalized_message: string/null) |
Check if the field value is a text or not |
isEmail(personalized_message: string/null) |
Check if the field value has email format |
isTrue(personalized_message: string/null) |
Check if the field value is true or not |
isFalse(personalized_message: string/null) |
Check if the field value is false or not |
isNull(personalized_message: string/null) |
Check if the field value is null or not |
isEmpty(personalized_message: string/null) |
Check if the field value is empty or not |
max(max: number, personalized_message: string/null) |
Check if the field value is less than or equal to the max value |
min(min: number, personalized_message: string/null) |
Check if the field value is greater than or equal to the min value |
maxLength(max: number, personalized_message: string/null) |
Check if the length of the field value is less than or equal to the max value |
minLength(min: number, personalized_message: string/null) |
Check if the length of the field value is greater than or equal to the min. |
notEqual(value: string/number/null, second_field_name: string, personalized_message: string/null) |
Check if the field value is not equal to the first value entered. |
hasErrors() |
Check if any field has an error. Return true o false |
getErrorsMessages() |
Returns errors messages in an array |
getErrorsDetail() |
Returns errors in this format [... {field_name: string, error: string, message: string}] |
getErrorsList(ulAttributes: Object/null, liAtributes: Object/null |
Returns errors in an HTML listing. You can indicate the attributes of the elements UL and LI through an object: {class, id, etc} |
Release Notes
v1.0.0 - Jan 04, 2024
- Validator project uploaded
License
This library is licensed under the MIT License.