Preserving File Inputs after Form Errors

์„œ๋ฒ„ ์ธก ์˜ค๋ฅ˜ ์ฒ˜๋ฆฌ ๋ฐ ์œ ํšจ์„ฑ ๊ฒ€์‚ฌ๋ฅผ ํฌํ•จํ•˜๋Š” ํผ์— ๊ธฐ๋ณธ ๊ฐ’๊ณผ ํŒŒ์ผ ์ž…๋ ฅ์ด ๋ชจ๋‘ ํฌํ•จ๋œ ๊ฒฝ์šฐ, ์˜ค๋ฅ˜ ๋ฉ”์‹œ์ง€์™€ ํ•จ๊ป˜ ํผ์ด ๋ฐ˜ํ™˜๋  ๋•Œ ํŒŒ์ผ ์ž…๋ ฅ์˜ ๊ฐ’์ด ์†์‹ค๋ฉ๋‹ˆ๋‹ค. ๊ทธ ๊ฒฐ๊ณผ, ์‚ฌ์šฉ์ž๊ฐ€ ํŒŒ์ผ์„ ๋‹ค์‹œ ์—…๋กœ๋“œํ•ด์•ผ ํ•˜๋ฉฐ, ์ด๋Š” ์‚ฌ์šฉ์ž ์นœํ™”์ ์ธ ๊ฒฝํ—˜์„ ์ €ํ•ดํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค.

์ด ๋ฌธ์ œ๋ฅผ ๊ฐ„๋‹จํ•˜๊ฒŒ ํ•ด๊ฒฐํ•˜๊ธฐ ์œ„ํ•ด ๋‹ค์Œ๊ณผ ๊ฐ™์€ ์ ‘๊ทผ ๋ฐฉ์‹์„ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค:

๋ณ€๊ฒฝ ์ „:

<form method="POST" id="binaryForm" enctype="multipart/form-data" hx-swap="outerHTML" hx-target="#binaryForm">
    <input type="file" name="binaryFile">
    <button type="submit">Submit</button>
</form>

๋ณ€๊ฒฝ ํ›„:

<input form="binaryForm" type="file" name="binaryFile">

<form method="POST" id="binaryForm" enctype="multipart/form-data" hx-swap="outerHTML" hx-target="#binaryForm">
    <button type="submit">Submit</button>
</form>
  1. ํผ ๊ตฌ์กฐ ๋ณ€๊ฒฝ: ๋ฐ”์ด๋„ˆ๋ฆฌ ํŒŒ์ผ ์ž…๋ ฅ์„ HTML ๊ตฌ์กฐ์—์„œ ์ฃผ ํผ ์š”์†Œ ์™ธ๋ถ€๋กœ ์ด๋™์‹œํ‚ต๋‹ˆ๋‹ค.

  2. form ์†์„ฑ ์‚ฌ์šฉ: ๋ฐ”์ด๋„ˆ๋ฆฌ ํŒŒ์ผ ์ž…๋ ฅ์— form ์†์„ฑ์„ ์ถ”๊ฐ€ํ•˜๊ณ , ๊ทธ ๊ฐ’์„ ์ฃผ ํผ์˜ ID๋กœ ์„ค์ •ํ•ฉ๋‹ˆ๋‹ค. ์ด๋ ‡๊ฒŒ ํ•˜๋ฉด ํŒŒ์ผ ์ž…๋ ฅ์ด ํผ ์š”์†Œ ์™ธ๋ถ€์— ์žˆ์–ด๋„ ํผ๊ณผ ์—ฐ๊ด€๋˜๋„๋ก ๋งํฌ๋ฉ๋‹ˆ๋‹ค.