Description

This library helps to you validate your form data in typescript.

Installation

npm install ts-validation

Usage

import {isValidPassword, isValidEmail, isValidInput} from "ts-valdation";

// your need to select your form element
let form:HTMLFormElement = document.querySelector('.form')

// validate password
let validatePassword:object = isValidPassword(form.password.value,{
minSymbol: 3; // must be number, required
maxSymbol: 10; // must be number, required
mustBeLowercase: false; // boolean , not required
mustBeUppercase: true; // boolean , not required
mustBeNumber: false; // boolean , not required
})

// returns 
{isSuccessful: false,
message: "Password length must be shorter than 3 symbols",}
that kind of object , if there is a error otherwise
validation returns { isSuccessful: true, message: "Validation ended successfully" }; that object

// validate string

let validateName:object = isValidInput(form.name.value, {
mustBeLowercase: false; // boolean , required
mustBeUppercase: true; // boolean , required
})

// validation returns error when the length of string is  is equal to 0

// validate email

let validateEmail:object = isValidEmail(form.email.value, {
mustBeLowercase: false; // boolean , required
mustBeUppercase: true; // boolean , required
})

// validation returns error when  the length of email is equal to 0
// validation returns error when email doesn't include "@"  symbol

Contributing

Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

Please make sure to update tests as appropriate.

License

MIT