@validator.tool/hook

Hooks for use with validator.tool.

Install

$ npm install @validator.tool/hook --save

Usage

import { useEffect, useState, Fragment } from 'react';
import { useValidator } from '@validator.tool/hook';

export default function Demo() {
  const [data, setData] = useState({
    email: '[e-mail]'
  });
  const { validator, handleReset, handleSubmit } = useValidator({
    initValues: data,
  });

  const onSubmit = (value) => {
    console.log('value', value)
  }

  const onReset = (value) => {
    setData({ ...value });
  }

  function handleChange(env) {
    const target = env.target;
    const value = target.type === "checkbox" ? target.checked : target.value;
    const name = target.name;
    setData({ ...data, [name]: value });
  }

  return (
    <form
      onSubmit={handleSubmit(onSubmit)}
      onReset={handleReset(onReset)}
      onChange={handleChange}
      onBlur={handleChange}
    >
      <div>
        <label htmlFor="email">EMail:</label>
        <input type="email" name="email" defaultValue={data.email} />
        <span>
          {validator.message('email', data.email, {
            validate: (val) => !/^[A-Z0-9.!#$%&'*+-/=?^_`{|}~]+@[A-Z0-9.-]+\.[A-Z]{2,}$/i.test(val) ? `The ${val} must be a valid email address.` : ''
          })}
        </span>
      </div>
      <div>
        <label htmlFor="password">Password:</label>
        <input type="password" name="password" />
        <span>
          {validator.message('password', data.password, {
            validate: (val) => !val ? 'Please enter the password!' : ''
          })}
        </span>
      </div>
      <div style={{ width: '100%' }}>
        <button type="submit">Submit</button>
        <button type="reset">Reset</button>
      </div>
    </form>
  );
}

API

import Validator, { ValidatorOption, Values } from 'validator.tool';
export * from 'validator.tool';
export interface UseValidator extends ValidatorOption {}
export declare function useValidator(props?: UseValidator): {
  validator: Validator;
  forceUpdate: () => void;
  /** Only `Form` Support */
  handleSubmit: (handle?: ((value: Values, valid: boolean) => void) | undefined) => (evn: React.FormEvent<HTMLFormElement>) => void;
  /** Only `Form` Support */
  handleReset: (handle?: ((value: Values) => void) | undefined) => (evn: React.FormEvent<HTMLFormElement>) => void;
};

Related

• validator.tool Lightweight JavaScript form validation, that had minimal configuration and felt natural to use.

License

Licensed under the MIT License.