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[Next.js] App Router - ๋„ค๋น„๊ฒŒ์ดํŒ…
FE/Next.js

[Next.js] App Router - ๋„ค๋น„๊ฒŒ์ดํŒ…

2025. 5. 8. 05:41
ํ•œ ์ž… ํฌ๊ธฐ๋กœ ์ž˜๋ผ๋จน๋Š” Next.js ํ•™์Šต์ •๋ฆฌ์šฉ์ž…๋‹ˆ๋‹ค. 
3.6) ํŽ˜์ด์ง€ ๋ผ์šฐํ„ฐ ์ •๋ฆฌ

3.6 ๋„ค๋น„๊ฒŒ์ดํŒ…

Page Router์—์„œ์˜ ๋„ค๋น„๊ฒŒ์ดํŒ…

1. ํŽ˜์ด์ง€ ์š”์ฒญ

2. ๋„ฅ์ŠคํŠธ ์„œ๋ฒ„๋กœ๋ถ€ํ„ฐ ์ด๋™ํ•  ํŽ˜์ด์ง€์— ํ•„์š”ํ•œ ๋ชจ๋“  ์ปดํฌ๋„ŒํŠธ๋“ค์ด ํฌํ•จ๋œ JS Bundle ํŒŒ์ผ ๋ฐ›์Œ

3. Bundle ํŒŒ์ผ์„ ๋ธŒ๋ผ์šฐ์ € ์ฐจ์›์—์„œ ์‹คํ–‰

4. ํ˜„์žฌ ํŽ˜์ด์ง€์— ๋งž๋„๋ก ์ปดํฌ๋„ŒํŠธ ๊ต์ฒด

 

JS Bundle ์ƒ์„ฑ์ด ์˜ค๋ž˜๊ฑธ๋ฆฐ๋‹ค๋ฉด ์ด๋™๊ฐ€๋Šฅํ•œ ํŽ˜์ด์ง€์˜ Bundle์„ ๋ฏธ๋ฆฌ ๋ถˆ๋Ÿฌ์˜ค๋Š” ํ”„๋ฆฌํŽ˜์นญ(Pre-Fetching) ๊ธฐ๋Šฅ๋„ ์ˆ˜ํ–‰๊ฐ€๋Šฅ

App Router์—์„œ์˜ ๋„ค๋น„๊ฒŒ์ดํŒ…

page router์™€ ํฌ๊ฒŒ ๋‹ค๋ฅด์ง€ ์•Š๋‹ค.

์„œ๋ฒ„ ์ปดํฌ๋„ŒํŠธ๊ฐ€ ์ถ”๊ฐ€๋˜์—ˆ๊ธฐ ๋•Œ๋ฌธ์— ์ด ๋ถ€๋ถ„์„ ์œ„ํ•œ ์ค‘์š”ํ•œ ์ฐจ์ด์ ์ด ์กด์žฌํ•œ๋‹ค.

1. ํŽ˜์ด์ง€ ์š”์ฒญ

2. ๋„ฅ์ŠคํŠธ ์„œ๋ฒ„๋กœ๋ถ€ํ„ฐ JS Bundle ํŒŒ์ผ ๋ฐ›์Œ -> Client Component๋“ค์˜ Bundle

3. ๋„ฅ์ŠคํŠธ ์„œ๋ฒ„๋กœ๋ถ€ํ„ฐ RSC payload ์ „๋‹ฌ ๋ฐ›์Œ

    JS Bundle์—์„œ๋Š” ์„œ๋ฒ„ ์ปดํฌ๋„ŒํŠธ๊ฐ€ ์ œ์™ธ๋˜์—ˆ๊ธฐ ๋•Œ๋ฌธ์— ์„œ๋ฒ„ ์ปดํฌ๋„ŒํŠธ์™€ ํด๋ผ์ด์–ธํŠธ ์ปดํฌ๋„ŒํŠธ์˜ ํ˜ผํ•ฉ๋œ ํŽ˜์ด์ง€๋ฅผ ๋งŒ๋“ค๊ธฐ ์œ„ํ•ด RSC Payload๋ฅผ ์ „๋‹ฌํ•œ๋‹ค.

4. Bundle์„ ์‹คํ–‰ํ•˜๋ฉฐ RSC Payload์™€ ํ•ฉ์ณ ํŽ˜์ด์ง€๋ฅผ ์ ์ ˆํžˆ ๊ต์ฒดํ•˜๊ฒŒ ๋œ๋‹ค.

 

network ํƒญ์—์„œ ํ™•์ธํ•ด๋ณด๋ฉด ์•„๋ž˜์™€ ๊ฐ™์€ RSC Payload๋ฅผ ํ™•์ธํ•  ์ˆ˜ ์žˆ๋‹ค.

App Router์—์„œ์˜ ํ”„๋ฆฌํŽ˜์นญ

ํ”„๋กœ๋•์…˜ ๋ชจ๋“œ๋กœ ์‹คํ–‰์„ ํ•˜๋ฉด ์ด๋™ํ•  ์ˆ˜ ์žˆ๋Š” ํŽ˜์ด์ง€์— ๋Œ€ํ•ด์„œ ํ”„๋ฆฌํŽ˜์นญ์ด ๊ฐ€๋Šฅํ•œ ๊ฒƒ์„ ์•Œ ์ˆ˜ ์žˆ๋‹ค.

RSC Payload๋Š” ๋ชจ๋“  ํŽ˜์ด์ง€์— ๋Œ€ํ•ด์„œ ์ „๋‹ฌ์ด ๋˜์ง€๋งŒ, JS Bundle์€ ํŠน์ • ํŽ˜์ด์ง€๋งŒ ์ „๋‹ฌ๋˜๋Š” ๊ฒƒ์„ ๋ณผ ์ˆ˜ ์žˆ๋‹ค.

 

์ด๋Š” ์ธ๋ฑ์Šค ํŽ˜์ด์ง€์™€ ๊ฐ™์€ ํŽ˜์ด์ง€๋Š” Static ํŽ˜์ด์ง€์ด๊ธฐ ๋•Œ๋ฌธ์— RSC Payload์™€ JS Bundle ๋ชจ๋‘ ์ „๋‹ฌ์ด ๋˜์ง€๋งŒ,

[id].tsx์™€ ๊ฐ™์€ ํŽ˜์ด์ง€๋Š” Dynamic ํŽ˜์ด์ง€์ด๊ธฐ ๋•Œ๋ฌธ์— ๋ฐ์ดํ„ฐ์˜ ์—…๋ฐ์ดํŠธ๊ฐ€ ํ–ฅํ›„์— ํ•„์š”ํ•  ์ˆ˜ ์žˆ์–ด์„œ JS Bundle์€ ์ œ๊ณต๋˜์ง€ ์•Š๋Š” ๊ฒƒ์ด๋‹ค.

์ €์ž‘์žํ‘œ์‹œ (์ƒˆ์ฐฝ์—ด๋ฆผ)

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