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| import { useState } from "react"
import "./App.css"
const InputItem = ({ handleInput, title, placeholder, error, isError }) => {
return (
<>
<p className="entry-name">{title}</p>
<input
className="input"
type="text"
placeholder={placeholder}
onBlur={(e) => {
handleInput(e.target.value, title)
}}
/>
<p className="error">{isError && error}</p>
</>
)
}
export default function App() {
const [username, setUsername] = useState("")
const [email, setEmail] = useState("")
const [password, setPassword] = useState("")
const [confirm, setConfirm] = useState("")
const [usernameError, setUsernameError] = useState(false)
const [emailError, setEmailError] = useState(false)
const [passwordError, setPasswordError] = useState(false)
const [confirmError, setConfirmError] = useState(false)
const handleInput = (value, title) => {
if (title === "Username") {
if (value && value.length >= 3) {
setUsernameError(false)
setUsername(value)
} else setUsernameError(true)
} else if (title === "Email") {
const emailReg =
/^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
if (value && emailReg.test(value)) {
setEmailError(false)
setEmail(value)
} else setEmailError(true)
} else if (title === "Password") {
if (value && value.length >= 6) {
setPasswordError(false)
setPassword(value)
} else setPasswordError(true)
} else {
if (value && value === password) setConfirmError(false)
else {
setConfirmError(true)
setConfirm(true)
}
}
}
const handleClick = () => {
if (username === "") setUsernameError(true)
if (email === "") setEmailError(true)
if (password === "") setPasswordError(true)
if (confirm === "") setConfirmError(true)
if (
username !== "" &&
!usernameError &&
!emailError &&
!passwordError &&
!confirmError
) {
alert("Register succeeded.")
}
}
return (
<div className="App">
<h2 className="title">Register With Us</h2>
<InputItem
handleInput={handleInput}
title="Username"
placeholder="Enter username"
isError={usernameError}
error="Username must be at least 3 characters"
/>
<InputItem
handleInput={handleInput}
title="Email"
placeholder="Enter email"
isError={emailError}
error="Email is not valid"
/>
<InputItem
handleInput={handleInput}
title="Password"
placeholder="Enter password"
isError={passwordError}
error="Password must be at least 6 characters"
/>
<InputItem
handleInput={handleInput}
title="Confirm Password"
placeholder="Enter password again"
isError={confirmError}
error="Passwords are not the same"
/>
<button className="submit" onClick={handleClick}>
Submit
</button>
</div>
)
}
|
