react and material ui form code example

Example 1: material ui form

<FormControl>
  <InputLabel htmlFor="my-input">Email address</InputLabel>
  <Input id="my-input" aria-describedby="my-helper-text" />
  <FormHelperText id="my-helper-text">We'll never share your email.</FormHelperText>
</FormControl>

Example 2: Simple form based react material ui

const sleep = ms => new Promise(resolve => setTimeout(resolve, ms))

const asyncValidate = (values /*, dispatch */) => {
  return sleep(1000).then(() => {
    // simulate server latency
    if (['[email protected]', '[email protected]'].includes(values.email)) {
      // eslint-disable-next-line no-throw-literal
      throw { email: 'Email already Exists' }
    }
  })
}

export default asyncValidate