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์›น ์• ํ”Œ๋ฆฌ์ผ€์ด์…˜ ๋‚ด์—์„œ ์‚ฌ์šฉ์ž๊ฐ€ ๋ฉ”๋‰ด, ๋งํฌ, ๋ฒ„ํŠผ์„ ํ†ตํ•ด ๋‹ค๋ฅธ ํ™”๋ฉด์ด๋‚˜ ๋‹ค๋ฅธ ํŽ˜์ด์ง€๋กœ ์ด๋™ํ•˜๋Š” ๊ธฐ๋Šฅ์„ ์˜๋ฏธ

React Router๋Š” History API๋ฅผ ๋‚ด๋ถ€์ ์œผ๋กœ ์‚ฌ์šฉํ•˜์—ฌ Navigation์„ ์ฒ˜๋ฆฌํ•˜๋Š” ๋‹ค์–‘ํ•œ ์ปดํฌ๋„ŒํŠธ, ํ›…์„ ์ œ๊ณตํ•œ๋‹ค.

์‚ฌ์šฉ์ž๊ฐ€ ํด๋ฆญํ•˜์—ฌ ๋‹ค๋ฅธ ํ™”๋ฉด์œผ๋กœ ์ด๋™ํ• ์ˆ˜ ์žˆ๊ฒŒ ํ•ด์ฃผ๋Š” ์ปดํฌ๋„ŒํŠธ ๊ฒฐ๊ณผ์ ์œผ๋กœ a ์š”์†Œ๊ฐ€ ๋ Œ๋”๋ง ๋œ๋‹ค.

declare function Link(props: LinkProps): React.ReactElement;

interface LinkProps
  extends Omit<
    React.AnchorHTMLAttributes<HTMLAnchorElement>,
    "href"
  > {
  replace?: boolean;
  state?: any;
  to: To;
  reloadDocument?: boolean;
  preventScrollReset?: boolean;
  relative?: "route" | "path";
}

type To = string | Partial<Path>;

interface Path {
  pathname: string;
  search: string;
  hash: string;
}
  • replace โ†’ ๋ธŒ๋ผ์šฐ์ € ํžˆ์Šคํ† ๋ฆฌ ์Šคํƒ์— ์ถ”๊ฐ€ํ•˜์ง€ ์•Š๊ณ  ๋Œ€์ฒดํ•œ๋‹ค. (๋’ค๋กœ๊ฐ€๊ธฐ ์‹œ ๊ฑด๋„ˆ๋œ€)

  • state โ†’ ๋ธŒ๋ผ์šฐ์ € ํžˆ์Šคํ† ๋ฆฌ ์Šคํƒ์— ๋ฐ์ดํ„ฐ(state)๋ฅผ ์ถ”๊ฐ€ํ•œ๋‹ค. ์ด์ „ ํŽ˜์ด์ง€์— ์ „๋‹ฌ๋œ ๋ฐ์ดํ„ฐ๋ฅผ ์‚ฌ์šฉ ๊ฐ€๋Šฅ

  • to(์ ˆ๋Œ€๊ฒฝ๋กœ) โ†’ ์ด๋™ํ•  ๊ฒฝ๋กœ๋ฅผ ์ž‘์„ฑ, ๊ฐ์ฒด๋กœ ์ž‘์„ฑ์‹œ, ๊ฒฝ๋กœ๋ช…, ์ฟผ๋ฆฌ, ํ•ด์‰ฌ ๊ฐ’์„ ๋”ฐ๋กœ ์ง€์ •

  • reloadDocument โ†’ ๊ฐ’์ด true์ด๋ฉด ์ด๋™ํ•  ๋•Œ ๋ธŒ๋ผ์šฐ์ €๊ฐ€ ์ƒˆ HTML์„ ๋ฐ›์•„์˜ค๋„๋ก ๊ฐ•์ œ

  • preventScrollReset โ†’ ๊ฐ’์ด true์ด๋ฉด, ์ด๋™ ํ›„ ์Šคํฌ๋กค ์œ„์น˜๋ฅผ ์œ ์ง€ํ•œ๋‹ค. (Link ํด๋ฆญ ํ•œ์ •)

    • <ScrollRestoration> ์ปดํฌ๋„ŒํŠธ๋ฅผ ์ด์šฉํ•˜๋ฉด ์ „์—ญ์ ์œผ๋กœ ํŽ˜์ด์ง€ ์ด๋™์‹œ ์Šคํฌ๋กค ์œ ์ง€๊ฐ€ ๊ฐ€๋Šฅํ•˜๋‹ค.

  • relative โ†’ to ๊ฐ’์˜ ๊ฒฝ๋กœ ๊ธฐ์ค€์„ ์ƒ๋Œ€๊ฒฝ๋กœ๋กœ ๋ณ€๊ฒฝํ•œ๋‹ค.

    • route โ†’ ํ˜„์žฌ ๋ผ์šฐํŠธ ๊ฒฝ๋กœ๋ฅผ ๊ธฐ์ค€์œผ๋กœ ์ƒ๋Œ€ ๊ฒฝ๋กœ ์ง€์ •

    • path โ†’ ํ˜„์žฌ ํŽ˜์ด์ง€์˜ URL ๊ฒฝ๋กœ๋ฅผ ๊ธฐ์ค€์œผ๋กœ ์ƒ๋Œ€ ๊ฒฝ๋กœ ์ง€์ •

    • ์ ˆ๋Œ€๊ฒฝ๋กœ ์ฒ˜๋Ÿผ ์ ์œผ๋ฉด /sample ๊ทธ๋ƒฅ ์ ˆ๋Œ€๊ฒฝ๋กœ์ฒ˜๋Ÿผ ์ž‘์šฉํ•œ๋‹ค. ๋ฐ˜๋“œ์‹œ ./ ์™€ ๊ฐ™์ด ์ƒ๋Œ€๊ฒฝ๋กœ๋กœ ์ž‘์„ฑํ•ด์•ผํ•จ

route vs path

  • dynamic segments๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ๊ฒฝ์šฐ ์ฐจ์ด๊ฐ€ ๋‚˜ํƒ€๋‚œ๋‹ค.

  • ํ˜„์žฌ ๊ฒฝ๋กœ๊ฐ€ '/product/:id', ์ฆ‰ '/product/1234'๋ผ๊ณ  ํ•œ๋‹ค๋ฉด

  • <LInk to='/comment' relative='route'> ์ธ ๊ฒฝ์šฐ '/product/1234/comment' ๋กœ ์ด๋™๋œ๋‹ค.

  • <LInk to='/comment' relative='path'> ์ธ ๊ฒฝ์šฐ '/product/comment' ๋กœ ์ด๋™๋œ๋‹ค.

<Link /> ์ปดํฌ๋„ŒํŠธ์—์„œ active, pending ์—ฌ๋ถ€ ๊ธฐ๋Šฅ์ด ์ถ”๊ฐ€๋œ ๋ฒ„์ „,

active

  • ํ˜„์žฌ ๊ฒฝ๋กœ์™€ <NavLink to={๊ฒฝ๋กœ} />๊ฐ€ ์ผ์น˜ ํ•œ๋‹ค๋ฉด active ์†์„ฑ์ด ํ™œ์„ฑํ™” ๋œ๋‹ค.

  • active ์†์„ฑ์ด ํ™œ์„ฑํ™”๋˜๋ฉด .active ํด๋ž˜์Šค์™€ aria-current="page" ์†์„ฑ์ด ํ• ๋‹น๋œ๋‹ค.

pending

  • ๋งํฌ๋ฅผ ํด๋ฆญ ํ›„ ํŽ˜์ด์ง€ ์ „ํ™˜์ด ์™„๋ฃŒ๋˜๊ธฐ ์ „๊นŒ์ง€ pending ์†์„ฑ์ด ํ™œ์„ฑํ™” ๋œ๋‹ค.

  • ์ฆ‰, ๋กœ๋”ฉ์ค‘์ž„์„ ๋‚˜ํƒ€๋‚ด๋Š” ์†์„ฑ

end

  • ๊ฒฝ๋กœ๊ฐ€ ์ •ํ™•ํžˆ ์ผ์น˜ํ•˜๋Š” ๊ฒฝ์šฐ์—๋งŒ active๋ฅผ ํ™œ์„ฑํ™” ์‹œํ‚จ๋‹ค.

  • ์ฆ‰, ๋™์  ์„ธ๊ทธ๋จผํŠธ ๋ฐ ํ•˜์œ„ ๋ผ์šฐํŠธ ํŽ˜์ด์ง€์—์„œ๋Š” active ๊ฐ€ ๋น„ํ™œ์„ฑํ™”๋œ๋‹ค.

Redirect์šฉ ์ปดํฌ๋„ŒํŠธ์ด๋ฉฐ, ํ•ด๋‹น ์ปดํฌ๋„ŒํŠธ๊ฐ€ ๋ Œ๋”๋ง ๋  ๋•Œ ํŽ˜์ด์ง€๋ฅผ ์ด๋™์‹œํ‚จ๋‹ค.

์กฐ๊ฑด๋ถ€ ๋ Œ๋”๋ง ์ƒํ™ฉ์—์„œ, ํŠน์ • ์กฐ๊ฑด์ด ์ถฉ์กฑ๋˜์—ˆ์„ ๋•Œ ๋ฆฌ๋‹ค์ด๋ ‰ํŠธ๋ฅผ ํ•ด์•ผ ํ•˜๋Š” ๊ฒฝ์šฐ ์ž์ฃผ ์‚ฌ์šฉ๋œ๋‹ค.

declare function Navigate(props: NavigateProps): null;

interface NavigateProps {
  to: To;
  replace?: boolean;
  state?: any;
  relative?: RelativeRoutingType;
}

Usage

import { Navigate } from 'react-router-dom';

const PublicRoute = () => {
  const { user, initializing } = useAuth();

  if (initializing) return null;

  return user ? (
    <Navigate to='/' />
  ) : (
    <PublicLayout>
      <Outlet />
    </PublicLayout>
  );
};

useNavigate

ํ”„๋กœ๊ทธ๋ž˜๋ฐ ๋ฐฉ์‹์œผ๋กœ ํŽ˜์ด์ง€๋ฅผ ์ด๋™ํ•  ์ˆ˜ ์žˆ๋Š” ํ•จ์ˆ˜๋ฅผ ๋ฐ˜ํ™˜ํ•˜๋Š” ํ›…

interface NavigateFunction {
  (
    to: To,
    options?: {
      replace?: boolean;
      state?: any;
      relative?: RelativeRoutingType;
    }
  ): void;
  (delta: number): void;
}
  • delta โ†’ ๋ธŒ๋ผ์šฐ์ € ํžˆ์Šคํ† ๋ฆฌ ์Šคํƒ ๊ธฐ์ค€์œผ๋กœ ํ˜„์žฌ ์œ„์น˜์—์„œ ์ด๋™ํ•  ์œ„์น˜์˜ ๋ณ€ํ™”๋Ÿ‰ (-1 ์ด๋ฉด ๋’ค๋กœ๊ฐ€๊ธฐ)

Usage

import { useNavigate } from 'react-router-dom';

export default function App() {
  const navigate = useNavigate();
  
  const handleRedirectHome = () => {
    navigate('/');
  }
  
  const handlePreviousPage = () => {
    navigate(-1);
  }
  
  return (
  <div>
    <button type="button" onClick={handleRedirectHome}>Redirect Home</button>
    <button type="button" onClick={handlePreviousPage}>Go Previous Page</button>
  </div>)
}

๋ฒˆ์™ธ useLocation

React Router์˜ ํ˜„์žฌ ์œ„์น˜ ์ •๋ณด๋ฅผ ์ œ๊ณตํ•˜๋Š” ๊ฐ์ฒด๋ฅผ ๋ฐ˜ํ™˜ํ•˜๋Š” ํ›…

declare function useLocation(): Location;

interface Location extends Path {
  state: unknown;
  key: Key;
}
  • state โ†’ ๋ผ์šฐํ„ฐ๊ฐ„ ์ •๋ณด๋ฅผ ์ „๋‹ฌํ•˜๊ณ  ๊ณต์œ ํ•˜๋Š” ๋ฐ์ดํ„ฐ, ์ด๋™ํ•  ๋‹ค์Œ ํŽ˜์ด์ง€์— ์ „๋‹ฌํ•˜๊ฑฐ๋‚˜, ์ด์ „ ํŽ˜์ด์ง€์—์„œ ์ „๋‹ฌํ•œ ๋ฐ์ดํ„ฐ๋ฅผ ๋ฐ›์•„์˜ฌ ์ˆ˜ ์žˆ๋‹ค.

  • key โ†’ ๋ผ์šฐํ„ฐ์˜ ์œ„์น˜ ์ •๋ณด๋ฅผ ๊ด€๋ฆฌํ•˜๊ธฐ ์œ„ํ•ด ์‚ฌ์šฉ๋˜๋Š” ๊ณ ์œ  ์‹๋ณ„์ž, React Router๊ฐ€ ์œ„์น˜๋ฅผ ์—…๋ฐ์ดํŠธํ•  ๋•Œ ์‚ฌ์šฉ

window.location๊ณผ ์ฐจ์ด๊ฐ€ ๋ญ˜๊นŒ?

window.location์€ ๋ธŒ๋ผ์šฐ์ €์˜ ํ˜„์žฌ URL ์ •๋ณด๋ฅผ ๊ฐ–๋Š” ๊ฐ์ฒด์ด๋ฉฐ, ์ „์—ญ์ ์œผ๋กœ ์ ‘๊ทผ์ด ๊ฐ€๋Šฅํ•˜์ง€๋งŒ ๋ธŒ๋ผ์šฐ์ € ํ™˜๊ฒฝ์—์„œ๋งŒ ์ ‘๊ทผํ•  ์ˆ˜ ์žˆ๋‹ค.

๋˜ํ•œ useLocation์ด ๋ฐ˜ํ™˜ํ•˜๋Š” ๊ฐ์ฒด์™€ ๋‹ฌ๋ฆฌ state ๋ฐ์ดํ„ฐ๋ฅผ ๊ฐ–๊ณ  ์žˆ์ง€ ์•Š๋‹ค.

state ํ™œ์šฉ

์ฃผ๋ฌธ ์™„๋ฃŒ ํŽ˜์ด์ง€์ฒ˜๋Ÿผ ์ผํšŒ์„ฑ ํŽ˜์ด์ง€์— ๋ฐ์ดํ„ฐ(์ฃผ๋ฌธ ํ’ˆ๋ชฉ)๋ฅผ ์ „๋‹ฌํ•  ๋•Œ ์‚ฌ์šฉํ•˜๋ฉด ์š”๊ธดํ•  ๊ฒƒ ๊ฐ™๋‹ค.?

์ด์ „์—๋Š” ์ฟผ๋ฆฌ์ŠคํŠธ๋ง์œผ๋กœ ๋„˜๊ฒจ์„œ ๋ฐ›๋Š” ํ˜•์‹์œผ๋กœ ์‚ฌ์šฉํ–ˆ์ง€๋งŒ ์ƒˆ๋กœ๊ณ ์นจํ•ด์„œ ์œ ์ง€ํ•  ํ•„์š”๊ฐ€ ์ „ํ˜€ ์—†์—ˆ๊ธฐ์— ํ•ด๋‹น ๋ฐฉ์‹์„ ์‚ฌ์šฉํ•˜๋ฉด ์ข€ ๋” ๊น”๋”ํ•œ ์ฝ”๋“œ๋ฅผ ์งค ์ˆ˜ ์žˆ์„ ๊ฒƒ ๊ฐ™๋‹ค.

โš ๏ธ state๋Š” ๋ผ์šฐํŠธ ์ด๋™๊ฐ„ ๊ณต์œ ๋˜๋Š” ๋ฐ์ดํ„ฐ์ด๋ฏ€๋กœ ์ƒˆ๋กœ๊ณ ์นจํ•˜๋ฉด ๋‚ ๋ผ๊ฐ„๋‹ค. ์ฆ‰, ์™ธ๋ถ€ ๋งํฌ๋กœ ์ ‘์†์‹œ state๋Š” ๋น„์–ด์žˆ์œผ๋ฏ€๋กœ ์ ์ ˆํ•œ ์ƒํ™ฉ์—์„œ ์‚ฌ์šฉํ•˜์ž.

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