sos-nextjs/pages/login.js

import React from 'react'
import isEmail from 'validator/lib/isEmail'
import axios from 'axios'

import {FormController, Input, Button} from '~/components/form'

export default function Login(){
  const submit = async (values)=>{
    const {data} = await axios.post(`/api/auth`, values)
    console.log(data)
  }

  return (
    <FormController onSubmit={submit}>
      <h1>Login</h1>
      <Input label="Email" type="text" name="email" validate={value=>isEmail(value)} hint="Enter a valid email address" />
      <Input label="Password" type="password" name="password" validate={value=>(value.length >= 8)} hint="Password must be at least 8 characters long" />
      <Button type="submit">Submit</Button>
    </FormController>
  )
}