Radix UI, asChild pattern์— ๋Œ€ํ•ด์„œ

Radix UI, asChild pattern์— ๋Œ€ํ•ด์„œ

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5 min read

๐Ÿ‘‹ ์‹œ์ž‘ํ•˜๊ธฐ์— ์•ž์„œ์„œ

์ตœ๊ทผ Storybook์„ ํ†ตํ•ด์„œ ๋””์ž์ธ ์‹œ์Šคํ…œ์„ ๊ตฌ์ถ•ํ•˜๋‹ค๊ฐ€ ๊ณตํ†ต ์ปดํฌ๋„ŒํŠธ์˜ ํƒœ๊ทธ๋ฅผ ๋ณ€๊ฒฝํ•˜๊ฑฐ๋‚˜ ๊ณตํ†ต ์ปดํฌ๋„ŒํŠธ์˜ ๋™์ž‘์„ children์œผ๋กœ ๋ฐ›๋Š” ์ž์‹ ์ปดํฌ๋„ŒํŠธ๋กœ ๋„˜๊ธฐ๊ณ  ์‹ถ์€ ๊ฒฝ์šฐ๊ฐ€ ์žˆ์—ˆ๋‹ค.

์˜ˆ๋ฅผ ๋“ค์–ด, ๊ณต์šฉ Button ์ปดํฌ๋„ŒํŠธ๋ฅผ ์‚ฌ์šฉํ•˜๊ณ  ์žˆ๋Š”๋ฐ ํด๋ฆญ ์‹œ ๋‹ค๋ฅธ ํŽ˜์ด์ง€๋กœ ์ด๋™ํ•ด์•ผ ํ•˜๊ธฐ ๋•Œ๋ฌธ์— button ํƒœ๊ทธ๊ฐ€ ์•„๋‹Œ Link(a ํƒœ๊ทธ)๋ฅผ ์‚ฌ์šฉํ•˜๊ณ  ์‹ถ์„ ์ˆ˜ ์žˆ๋‹ค.

<Link href='...'>
  <Button>
    ๋งํฌ ์ด๋™
  </Button>
<Link>

์ด๋ ‡๊ฒŒ ๊ตฌํ˜„ํ•ด๋„ ์ž‘๋™ํ•˜์ง€๋งŒ, HTML5 specification์— ๋”ฐ๋ฅด๋ฉด button ํƒœ๊ทธ ๋‚ด์— a ํƒœ๊ทธ๋ฅผ ์ค‘์ฒฉํ•˜๋Š” ๊ฒƒ์€ ๋ช…์„ธ๋ฅผ ์œ„๋ฐ˜ํ•˜๋Š” ๋ฐฉ๋ฒ•์ด๋‹ค. (๋ฐ˜๋Œ€๋กœ button ํƒœ๊ทธ ๋‚ด์— a ํƒœ๊ทธ๋ฅผ ์ค‘์ฒฉํ•ด์„œ ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ๋„)

Content model:

Transparent, but there must be no interactive content descendant, a element descendant, or descendant with the tabindex attribute specified.

a ํƒœ๊ทธ ๋‚ด๋ถ€์—๋Š” ์ƒํ˜ธ ์ž‘์šฉ์ด ๊ฐ€๋Šฅํ•œ ํ•˜์œ„ ์š”์†Œ, a ํƒœ๊ทธ ํ•˜์œ„ ์š”์†Œ ๋˜๋Š” tabindex ์†์„ฑ์ด ์ง€์ •๋œ ํ•˜์œ„ ์š”์†Œ๊ฐ€ ์—†์–ด์•ผ ํ•œ๋‹ค. ์—ฌ๊ธฐ์„œ ์ƒํ˜ธ ์ž‘์šฉ์ด ๊ฐ€๋Šฅํ•œ ํ•˜์œ„ ์š”์†Œ๋ž€ button, input(type ์†์„ฑ์ด hidden์ด ์•„๋‹Œ), select ๋“ฑ๊ณผ ๊ฐ™์ด ์ƒํ˜ธ์ž‘์šฉ์„ ์œ„ํ•ด ๋งŒ๋“ค์–ด์ง„ ํƒœ๊ทธ๋“ค์„ ๋งํ•œ๋‹ค.

์ฐธ๊ณ ๋กœ Next.js์—์„œ๋„ HTML ๋ช…์„ธ์— ์œ„๋ฐ˜ํ•˜์—ฌ ์ค‘์ฒฉ๋œ HTML ํƒœ๊ทธ๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ๊ฒฝ์šฐ, Hydration ์—๋Ÿฌ๋ฅผ ๋ฐœ์ƒ์‹œํ‚ค๋ฉฐ ์œ„์™€ ๋น„์Šทํ•œ ์„ค๋ช…์ด ๊ณต์‹๋ฌธ์„œ์— ์จ์ ธ์žˆ๋‹ค.

Hydration errors can occur from:

  1. Incorrect nesting of HTML tags

    1. <p> nested in another <p> tag

    2. <div> nested in a <p> tag

    3. <ul> or <ol> nested in a <p> tag

    4. Interactive Content cannot be nested (<a> nested in a <a> tag, <button> nested in a <button> tag, etc.)

์œ„์™€ ๊ฐ™์€ ์ƒํ™ฉ ๋•Œ๋ฌธ์— ํ•„์š” ํ•  ๊ฒฝ์šฐ ์ปดํฌ๋„ŒํŠธ์˜ ๊ธฐ๋ณธ ํƒœ๊ทธ๋ฅผ ๋ณ€๊ฒฝ(button -> a)ํ•ด์„œ ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ์ด ์ข‹์œผ๋ฉฐ, Chakra UI๋‚˜ Reakit์—์„œ ์ž์ฃผ ์‚ฌ์šฉํ•˜๋Š” as prop pattern์„ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๋‹ค.

export function Button({ as, ...props }) {
  const Comp = as ?? "button"

  return <Comp {...props} />
}

<Button as={Link} />

๊ทธ๋Ÿฌ๋‚˜ ๋” ๋งŽ์€ ์‚ฌ์šฉ์ž ์ •์˜๋ฅผ ํ—ˆ์šฉํ•˜๋ ค๋ฉด, ์˜ˆ๋ฅผ ๋“ค์–ด ํ•˜์œ„ ์ปดํฌ๋„ŒํŠธ์— props์— ์ „๋‹ฌํ•˜๋ ค๋ฉด as prop์ด ๋ฌธ์ œ๊ฐ€ ๋  ์ˆ˜ ์žˆ๋‹ค. TypeScript๋ฅผ ํ†ตํ•ด์„œ ์ถฉ๋ถ„ํžˆ ๊ตฌํ˜„ ๊ฐ€๋Šฅํ•˜์ง€๋งŒ ์„ค์ •ํ•˜๊ธฐ๊ฐ€ ๋ณต์žกํ•ด์ง€๊ณ  ๋Ÿฐํƒ€์ž„์— ๋Š๋ ค์งˆ ์ˆ˜ ์žˆ๋‹ค.

<Button 
  as='a' 
  target='_blank' 
  variant='outline' 
  href='...'
  ...   
>
  Hello
</Button>

๐Ÿค” asChild pattern

asChild pattern์€ Radix์—์„œ ๋งŽ์ด ์‚ฌ์šฉ๋˜๋ฉฐ, as prop pattern์— ๋น„๊ตํ•˜๋ฉด ๊ตฌํ˜„ํ•˜๊ธฐ ์‰ฌ์šฐ๋ฉฐ ์ดํ•ดํ•˜๊ธฐ์—๋„ ์‰ฝ๋‹ค.

<Button asChild>
  <a target='_blank' href="..." />
</Button>
  • asChild ๊ฐ€ false์ผ ๋•Œ, ๊ธฐ๋ณธ ์ปดํฌ๋„ŒํŠธ(button)๋ฅผ ๋ Œ๋”๋งํ•œ๋‹ค.

  • asChild ๊ฐ€ true์ผ ๋•Œ๋Š” ์ž์‹ ์ปดํฌ๋„ŒํŠธ(a)๋ฅผ ๋ Œ๋”๋งํ•œ๋‹ค.

Radix๋ฅผ ์‚ฌ์šฉํ•˜๋‹ค ๋ณด๋ฉด ์ฃผ๋กœ Trigger ๊ฐ™์€ ์ปดํฌ๋„ŒํŠธ์—์„œ asChild props๋ฅผ ๋งŒ๋‚˜๊ฒŒ ๋˜๋Š”๋ฐ, ์„ค๋ช…๊ณผ ํ•จ๊ป˜ ์–ด๋–ป๊ฒŒ ์‚ฌ์šฉํ•˜๊ณ  ์žˆ๋Š”์ง€ ์‚ดํŽด๋ณด์ž. Radix์—์„œ asChild์˜ ํˆดํŒ์—๋Š” ๋‹ค์Œ๊ณผ ๊ฐ™์ด ์„ค๋ช…๋˜์–ด ์žˆ๋‹ค.

์ž์‹์œผ๋กœ ์ „๋‹ฌ๋œ ์š”์†Œ์˜ ๊ธฐ๋ณธ ๋ Œ๋”๋ง ์š”์†Œ๋ฅผ ๋ณ€๊ฒฝํ•˜์—ฌ props์™€ ๋™์ž‘์„ ๋ณ‘ํ•ฉํ•œ๋‹ค.

์„ค๋ช…๋งŒ ๋“ค์œผ๋ฉด ๋‚œํ•ดํ•œ๋ฐ, ์˜ˆ์ œ ์ฝ”๋“œ๋ฅผ ์‚ดํŽด๋ณด์ž.

import * as React from 'react';
import * as Tooltip from '@radix-ui/react-tooltip';

export default () => (
  <Tooltip.Root>
    <Tooltip.Trigger asChild> 
      โœ… a ํƒœ๊ทธ์— Tooltip.Trigger์˜ props์™€ ๋™์ž‘์ด ์ž์‹ ํƒœ๊ทธ์ธ a๋กœ ๋ณ‘ํ•ฉ๋œ๋‹ค.
      <a href="https://www.radix-ui.com/">Radix UI</a>
    </Tooltip.Trigger>
    <Tooltip.Portal>โ€ฆ</Tooltip.Portal>
  </Tooltip.Root>
);

๋‹ค๋งŒ, ์œ„ ๊ฐ™์ด ๊ธฐ๋ณธ ํƒœ๊ทธ๋ฅผ ๋ณ€๊ฒฝ(button -> a )ํ•˜๊ธฐ๋กœ ๊ฒฐ์ •ํ–ˆ๋‹ค๋ฉด, ์ ‘๊ทผ์„ฑ๊ณผ ๊ธฐ๋Šฅ์„ ์œ ์ง€ํ•  ์ˆ˜ ์žˆ๋„๋ก ํ•˜๋Š” ๊ฒƒ์€ ์‚ฌ์šฉ์ž์˜ ์ฑ…์ž„์ด๋‹ค. ์˜ˆ๋ฅผ ๋“ค์–ด Tooltip.Trigger๋Š” ํฌ์ธํ„ฐ ๋ฐ ํ‚ค๋ณด๋“œ ์ด๋ฒคํŠธ์— ๋ฐ˜์‘ํ•  ์ˆ˜ ์žˆ๋Š” ํฌ์ปค์Šค ๊ฐ€๋Šฅํ•œ ์š”์†Œ์—ฌ์•ผ ํ•œ๋‹ค. ๋งŒ์•ฝ ์ด๋ฅผ div ํƒœ๊ทธ๋กœ ๋ณ€๊ฒฝํ•˜๋ฉด ๋” ์ด์ƒ ์•ก์„ธ์Šคํ•  ์ˆ˜ ์—†๊ฒŒ ๋œ๋‹ค.

์‹ค์ œ๋กœ๋Š” ์œ„์ฒ˜๋Ÿผ ๊ธฐ๋ณธ DOM ์š”์†Œ๋ฅผ ์ง์ ‘ ์ˆ˜์ •ํ•ด์•ผ ํ•˜๋Š” ์ผ์€ ๊ฑฐ์˜ ์—†๊ณ , ๋Œ€์‹  ์ž์ฒด React ์ปดํฌ๋„ŒํŠธ๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ์ด ๋” ์ผ๋ฐ˜์ ์ด๋‹ค. Trigger์˜ ๊ฒฝ์šฐ ์ฃผ๋กœ ์‚ฌ์šฉ๋˜๋Š” ์ด์œ ๊ฐ€ ๋””์ž์ธ ์‹œ์Šคํ…œ์˜ ์‚ฌ์šฉ์ž ์ •์˜ ๋ฒ„ํŠผ, ๋งํฌ์™€ ํ•จ๊ป˜ Trigger์˜ ๊ธฐ๋Šฅ์„ ๋ณ‘ํ•ฉํ•ด์„œ ์‚ฌ์šฉํ•˜๊ณ ์ž ํ•˜๊ธฐ ๋•Œ๋ฌธ์ด๋‹ค.

import * as React from 'react';
import * as Tooltip from '@radix-ui/react-tooltip';

export default () => (
  <Tooltip.Root>
    <Tooltip.Trigger asChild> 
      โœ… Button ์ปดํฌ๋„ŒํŠธ์— Trigger์˜ ๊ธฐ๋Šฅ์ด ๋ณ‘ํ•ฉ๋œ๋‹ค.
      <Button>Radix UI</Button>
    </Tooltip.Trigger>
    <Tooltip.Portal>โ€ฆ</Tooltip.Portal>
  </Tooltip.Root>
);

๐Ÿ” Slot Component

๊ทธ๋ ‡๋‹ค๋ฉด asChild pattern์€ ์–ด๋–ป๊ฒŒ ๊ตฌํ˜„ํ•  ์ˆ˜ ์žˆ์„๊นŒ? Radix์˜ ์†Œ์Šค์ฝ”๋“œ๋ฅผ ํ†ตํ•ด ์–ด๋–ป๊ฒŒ ๊ตฌํ˜„๋˜์–ด ์žˆ๋Š”์ง€ ์‚ดํŽด๋ณด์ž.

radix-ui/themes์˜ base-button.tsx ์†Œ์Šค์ฝ”๋“œ๋ฅผ ๋ณด๋ฉด Slot ์ปดํฌ๋„ŒํŠธ๋ฅผ ํ†ตํ•ด์„œ ๊ตฌํ˜„๋˜์–ด ์žˆ๋Š”๊ฑธ ํ™•์ธํ•  ์ˆ˜ ์žˆ๋‹ค.

const BaseButton = React.forwardRef<BaseButtonElement, BaseButtonProps>((props, forwardedRef) => {
  ...
  const {
    ...
    asChild,
  } = extractProps(props, baseButtonPropDefs, marginPropDefs);
  const Comp = asChild ? Slot : 'button';
  return (
    <Comp>
      {props.loading ? (
        <>
          ...
        </>
      ) : (
        children
      )}
    </Comp>
  );
});

Radix ๊ณต์‹๋ฌธ์„œ์— ๋”ฐ๋ฅด๋ฉด, Slot ์ปดํฌ๋„ŒํŠธ๋Š” props๋ฅผ ์ž์‹์— ๋ณ‘ํ•ฉํ•˜๊ธฐ ์œ„ํ•œ ์ปดํฌ๋„ŒํŠธ๋‹ค.

import React from 'react';
import { Slot } from '@radix-ui/react-slot';

function Button({ asChild, ...props }) {
  const Comp = asChild ? Slot : 'button';
  return <Comp {...props} />;
}

์ฆ‰, asChild pattern์„ ์ง€์›ํ•˜๊ธฐ ์œ„ํ•ด ๋งŒ๋“ค์–ด์ง„ ์ปดํฌ๋„ŒํŠธ์ธ๋ฐ ๋‚ด๋ถ€ ๊ตฌํ˜„์€ ์–ด๋–ป๊ฒŒ ๋˜์–ด์žˆ์„๊นŒ?

const Slot = React.forwardRef<HTMLElement, SlotProps>((props, forwardedRef) => {
  const { children, ...slotProps } = props;

  // 1. ์ž์‹์š”์†Œ ์ค‘์— Slottable ์ปดํฌ๋„ŒํŠธ๊ฐ€ ์žˆ๋Š”์ง€ ํ™•์ธํ•œ๋‹ค.
  const childrenArray = React.Children.toArray(children);
  const slottable = childrenArray.find(isSlottable);

  // 2. ๋งŒ์•ฝ Slottable ์ปดํฌ๋„ŒํŠธ๊ฐ€ ์žˆ์œผ๋ฉด,
  if (slottable) {
    // Slottable ์ปดํฌ๋„ŒํŠธ์˜ ์ž์‹ ์š”์†Œ๋ฅผ newElement์— ํ• ๋‹นํ•œ๋‹ค.
    const newElement = slottable.props.children as React.ReactNode;

    // childrenArray๋ฅผ ์ˆœํšŒํ•˜๋ฉด์„œ ์ƒˆ๋กœ์šด ์ž์‹ ์š”์†Œ๋ฅผ ์ƒ์„ฑํ•œ๋‹ค.
    // Slottable ์ปดํฌ๋„ŒํŠธ๋ฅผ ๋ฐœ๊ฒฌํ•˜๋ฉด ํ•ด๋‹น ์ž์‹ ์š”์†Œ๋ฅผ newElement๋กœ ๊ต์ฒดํ•ฉ๋‹ˆ๋‹ค.
    const newChildren = childrenArray.map((child) => {
      if (child === slottable) {
        // because the new element will be the one rendered, we are only interested
        // in grabbing its children (`newElement.props.children`)
        if (React.Children.count(newElement) > 1) return React.Children.only(null);
        return React.isValidElement(newElement)
          ? (newElement.props.children as React.ReactNode)
          : null;
      } else {
        return child;
      }
    });

    // 3. Slottable ์ปดํฌ๋„ŒํŠธ๊ฐ€ ์กด์žฌํ•˜์ง€ ์•Š์„ ๊ฒฝ์šฐ, ๊ธฐ์กด์˜ children์„ ๊ทธ๋Œ€๋กœ ๋ Œ๋”๋งํ•ฉ๋‹ˆ๋‹ค.
    return (
      <SlotClone {...slotProps} ref={forwardedRef}>
        {React.isValidElement(newElement)
          ? React.cloneElement(newElement, undefined, newChildren)
          : null}
      </SlotClone>
    );
  }

  return (
    <SlotClone {...slotProps} ref={forwardedRef}>
      {children}
    </SlotClone>
  );
});

const SlotClone = React.forwardRef<any, SlotCloneProps>((props, forwardedRef) => {
  const { children, ...slotProps } = props;

  // children์ด ์œ ํšจํ•œ React ์š”์†Œ์ธ์ง€ ํ™•์ธํ•œ๋‹ค.
  if (React.isValidElement(children)) {
    // React.cloneElement์„ ์‚ฌ์šฉํ•˜์—ฌ children์„ ๋ณต์ œํ•œ๋‹ค. ์ด๋•Œ, ์ƒˆ๋กœ์šด ์†์„ฑ์„ ์ ์šฉํ•˜์—ฌ ๋ฐ˜ํ™˜ํ•œ๋‹ค.
    return React.cloneElement(children, {
      // mergeProps ํ•จ์ˆ˜๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ slotProps์™€ children.props๋ฅผ ๋ณ‘ํ•ฉํ•œ๋‹ค. 
      // ์ด๋ฅผ ํ†ตํ•ด Slot ์ปดํฌ๋„ŒํŠธ์˜ ์†์„ฑ๊ณผ ํ•ด๋‹น ์ž์‹ ์š”์†Œ์˜ ์†์„ฑ์„ ํ•จ๊ป˜ ์ ์šฉํ•  ์ˆ˜ ์žˆ๋‹ค.
      ...mergeProps(slotProps, children.props),
      // ๋ถ€๋ชจ ์ปดํฌ๋„ŒํŠธ์—์„œ ์ „๋‹ฌ๋œ ref์™€ ํ•จ๊ป˜ ๋™์ž‘ํ•˜๋„๋ก ํ•œ๋‹ค. 
      // composeRefs ํ•จ์ˆ˜๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ๋‘ ๊ฐœ์˜ ref๋ฅผ ๊ฒฐํ•ฉํ•œ๋‹ค. 
      ref: forwardedRef ? composeRefs(forwardedRef, (children as any).ref) : (children as any).ref,
    });
  }

  // children์ด ์œ ํšจํ•œ React ์š”์†Œ๊ฐ€ ์•„๋‹ˆ๊ฑฐ๋‚˜, children์ด ์—ฌ๋Ÿฌ ๊ฐœ์ผ ๊ฒฝ์šฐ์—๋Š” null์„ ๋ฐ˜ํ™˜ํ•œ๋‹ค. 
  // ์ด๋ ‡๊ฒŒ ํ•จ์œผ๋กœ์จ children์ด ๋‹จ์ผ ์š”์†Œ์ผ ๋•Œ๋งŒ ์ฒ˜๋ฆฌ๋˜๋„๋ก ํ•œ๋‹ค.
  return React.Children.count(children) > 1 ? React.Children.only(null) : null;
});

const Slottable = ({ children }: { children: React.ReactNode }) => {
  return <>{children}</>;
};

// child๊ฐ€ React ์š”์†Œ์ธ์ง€ ํ™•์ธํ•˜๊ณ , type์ด 'Slottable' ์ปดํฌ๋„ŒํŠธ์ธ์ง€ ํ™•์ธํ•œ๋‹ค.
function isSlottable(child: React.ReactNode): child is React.ReactElement {
  return React.isValidElement(child) && child.type === Slottable;
}

...

์ •๋ฆฌํ•ด๋ณด๋ฉด,

  • Slot: ์ฃผ์–ด์ง„ ์ž์‹ ์š”์†Œ์˜ ์†์„ฑ์„ ๋ณ‘ํ•ฉํ•˜๊ณ  ํ•ด๋‹น ์š”์†Œ๋ฅผ ๋ Œ๋”๋งํ•œ๋‹ค. ์ด ์ปดํฌ๋„ŒํŠธ๋Š” SlotClone ์ปดํฌ๋„ŒํŠธ๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ๋‚ด๋ถ€์ ์œผ๋กœ ๋ Œ๋”๋งํ•œ๋‹ค.

  • SlotClone: Slot์˜ ์ž์‹ ์š”์†Œ๋ฅผ ๋ณต์ œํ•˜๊ณ  ํ•ด๋‹น ์š”์†Œ์— ์†์„ฑ์„ ๋ณ‘ํ•ฉํ•œ ํ›„ ๋ Œ๋”๋งํ•œ๋‹ค.

  • Slottable: Slot ์ปดํฌ๋„ŒํŠธ์˜ ์ž์‹ ์š”์†Œ๋กœ ์‚ฌ์šฉ๋˜๋ฉฐ, Slot์ด ๋ Œ๋”๋งํ•  ๋Œ€์ƒ์ด๋‹ค.


โœจ ๋๋‚ด๋ฉฐ

์ด๋ ‡๊ฒŒ as prop pattern์œผ๋กœ ์‹œ์ž‘ํ•ด์„œ, Radix์˜ asChild prop pattern๊นŒ์ง€ ์‚ดํŽด๋ณด์•˜๋‹ค. Slot ์ปดํฌ๋„ŒํŠธ์˜ ๋‚ด๋ถ€ ๊ตฌํ˜„์„ ๋ณด๋ฉด์„œ props๋ฅผ ๋ณ‘ํ•ฉํ•˜๋Š” mergeProps๋‚˜ ref๋ฅผ ๊ฒฐํ•ฉํ•˜๋Š” composeRefs๊ฐ™์€ ํ—ฌํผ ํ•จ์ˆ˜๋„ ์•Œ ์ˆ˜ ์žˆ์—ˆ๊ณ , React.isValidElement, React.cloneElement , React.Children.count , React.Children.toArray ๊ฐ™์€ ์ž์ฃผ ์‚ฌ์šฉํ•˜์ง€ ์•Š๊ฑฐ๋‚˜ ์ฒ˜์Œ ๋ณด๋Š” ๋ฉ”์„œ๋“œ๋“ค๋„ ๋งŒ๋‚˜๊ฒŒ ๋˜์–ด ํฅ๋ฏธ๋กœ์› ๋‹ค.

Slot ์ปดํฌ๋„ŒํŠธ ์™ธ์—๋„ ๋‹ค๋ฅธ UI ์ปดํฌ๋„ŒํŠธ ๋‚ด๋ถ€ ๊ตฌํ˜„๋„ ์‚ดํŽด๋ณด๋ฉด์„œ ํฅ๋ฏธ๋กœ์šด ์ ์ด ์žˆ์œผ๋ฉด ๋‹ค์Œ ํฌ์ŠคํŒ…์— ์ด์–ด์ง€์ง€ ์•Š์„๊นŒ ์‹ถ๋‹ค. ๋!

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