SignUp.js

import axios from "axios";
import { useEffect, useState } from "react";
import { Redirect } from "react-router-dom";
import userApi from "../apis/user.api";
import catchErrors from "../context/catchError";
const INIT_USER = {
  name: "",
  email: "",
  password: "",
  checkpw: "",
  phone: "",
};

const Signup = () => {
  const [user, setUser] = useState(INIT_USER);
  const [error, setError] = useState("");
  const [disabled, setDisabled] = useState(false);
  const [success, setSuccess] = useState(false);

  useEffect(() => {
    setDisabled(
      !(
        user.name &&
        user.email &&
        user.password &&
        user.checkpw
      )
    );
  }, [user]);

  function handleChange(event) {
    const { name, value } = event.target;
    setUser({ ...user, [name]: value });
  }

  async function handleSubmit() {
    console.log('회원가입')
    try {
      const data = await userApi.signup(user);
      console.log(data)
      setSuccess(true);
      setError("");
    } catch (error) {
      catchErrors(error, setError);
    } finally {
      // setLoading(false);
    }
  }
  function checkPassword(event) {
    const p1 = user.password;
    const p2 = user.checkpw;
    if (p1 !== p2) {
      event.preventDefault();
      alert("비밀번호가 일치하지 않습니다.");
      return false;
    } else {
      setSuccess(true);
      return true;
    }
  }
  if (success) {
    alert("회원가입 되었습니다.");
    <Redirect to="/" />;
  }

  const { name, id, password, checkpw, phone } = user;
  return (
    <div className="modal-content">
        {error && <div className="alert alert-danger">{error}</div>}
      <form onSubmit={handleSubmit}>
        <div className="modal-header">
          <h5 className="modal-title" id="loginModalLabel">
            회원가입
          </h5>
          <button
            type="button"
            className="btn-close"
            data-bs-dismiss="modal"
            aria-label="Close"
          ></button>
        </div>
        <div className="modal-body">
          <div className="p-2">
            <label className="p-1">이름</label>
            <input
              className="form-control"
              id="name"
              type="text"
              name="name"
              placeholder="이름을 입력하세요"
              value={name}
              onChange={handleChange}
            />
          </div>
          <div className="p-2">
            <label className="p-1">아이디</label>
            <input
              className="form-control"
              id="text"
              type="text"
              name="email"
              placeholder="아이디를 입력하세요"
              value={id}
              onChange={handleChange}
            />
          </div>
          <div className="p-2">
            <label className="p-1">비밀번호</label>
            <input
              className="form-control"
              id="password"
              type="password"
              name="password"
              placeholder="비밀번호를 입력하세요"
              value={password}
              onChange={handleChange}
            />
          </div>
          <div className="p-2">
            <label className="p-1">비밀번호확인</label>
            <input
              className="form-control"
              id="checkpw"
              type="password"
              name="checkpw"
              placeholder="비밀번호를 다시 입력하세요"
              value={checkpw}
              onChange={handleChange}
            />
          </div>
          <div className="p-2">
            <label className="p-1">전화번호</label>
            <input
              className="form-control"
              id="phone"
              type="text"
              name="phone"
              placeholder="'-'을 제외하고 입력하세요"
              value={phone}
              onChange={handleChange}
            />
          </div>
        </div>
        {console.log(disabled)}
        <div className="modal-footer">
          <button
            type="submit"
            className="btn btn-primary"
            onClick={checkPassword}
            disabled={disabled}
          >
            회원가입
          </button>
        </div>
      </form> 
    </div>
  );
};

export default Signup;