이메일을 보내는 Next.js 문의 폼

export interface InquiryState {
  sent: boolean;
  errors: Partial<Record<"name" | "email" | "company" | "budget" | "message" | "form", string>>;
}

export const initialInquiry: InquiryState = { sent: false, errors: {} };

"use client";

import { useActionState } from "react";
import { useFormStatus } from "react-dom";
import { sendInquiry } from "./actions";
import { initialInquiry } from "./state";

function SubmitButton() {
  const { pending } = useFormStatus();
  return <button disabled={pending}>{pending ? "Sending" : "Send inquiry"}</button>;
}

export function InquiryForm() {
  const [state, action] = useActionState(sendInquiry, initialInquiry);

  if (state.sent) return <p role="status">Thanks. We reply to every inquiry within two working days.</p>;

  return (
    <form action={action}>
      <label htmlFor="name">Name</label>
      <input id="name" name="name" autoComplete="name" required />
      {state.errors.name ? <p role="alert">{state.errors.name}</p> : null}

      <label htmlFor="email">Work email</label>
      <input id="email" name="email" type="email" autoComplete="email" required />
      {state.errors.email ? <p role="alert">{state.errors.email}</p> : null}

      <label htmlFor="company">Company</label>
      <input id="company" name="company" autoComplete="organization" />

      <label htmlFor="budget">Budget</label>
      <select id="budget" name="budget" required defaultValue="">
        <option value="" disabled>Choose a range</option>
        <option value="under-5k">Under $5k</option>
        <option value="5k-20k">$5k to $20k</option>
        <option value="over-20k">Over $20k</option>
      </select>
      {state.errors.budget ? <p role="alert">{state.errors.budget}</p> : null}

      <label htmlFor="message">About the project</label>
      <textarea id="message" name="message" rows={6} required minLength={20} />
      {state.errors.message ? <p role="alert">{state.errors.message}</p> : null}

      <input name="_gotcha" type="text" tabIndex={-1} autoComplete="off" hidden />
      {state.errors.form ? <p role="alert">{state.errors.form}</p> : null}
      <SubmitButton />
    </form>
  );
}