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FE/Next.js

[Next.js] reactStrictMode

2025. 4. 21. 14:56

https://nextjs.org/docs/app/api-reference/config/next-config-js/reactStrictMode

Good to know
: Since Next.js 13.5.1, Strict Mode is true by default with app router, so the above configuration is only necessary for pages. You can still disable Strict Mode by setting reactStrictMode: false.

์ถœ์ฒ˜ | https://nextjs.org/docs/app/api-reference/config/next-config-js/reactStrictMode

Next.js์—์„œ๋Š” next.config.js์— reactStrictMode๋ฅผ ๋”ฐ๋กœ ์„ค์ •(true)ํ•ด์ฃผ์ง€ ์•Š์•„๋„ default๋กœ true๋กœ ์„ค์ •๋ฉ๋‹ˆ๋‹ค.

 

next.config.js์— ์–ด๋–ค strictMode์— ๋Œ€ํ•œ ์„ค์ •๋„ ํ•˜์ง€ ์•Š์•˜์Œ์—๋„ ๋ถˆ๊ตฌํ•˜๊ณ  ๊ณ„์† ๋žœ๋”๋ง์ด ๋‘ ๋ฒˆ์ด๋‚˜ ๋ผ์„œ reactStrictMode: false๋ฅผ ์„ค์ •ํ•ด์ฃผ์—ˆ๋”๋‹ˆ ํ•œ๋ฒˆ๋งŒ ์‹คํ–‰๋˜์—ˆ์Šต๋‹ˆ๋‹ค.

(๋‹ค๋ฅธ ์ด์œ ๊ฐ€ ์žˆ๋Š” ์ค„ ์•Œ๊ณ  ์ƒํƒœ๋งŒ ๋šซ์–ด์ง€๊ฒŒ ์ณ๋‹ค๋ดค๋˜ ์˜ค์ „์˜ ๋‚˜ ๋ฐ˜์„ฑ..)

 

Next.js ํŒ€์€ Strict Mode๋ฅผ ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ์„ ๊ถŒ์žฅํ•˜์ง€๋งŒ <React.StrictMode>๋ฅผ ํ†ตํ•ด page by page๋กœ ์ ์šฉํ•  ์ˆ˜ ์žˆ๋‹ค๊ณ ๋„ ์„ค๋ช…ํ•˜๊ณ  ์žˆ์Šต๋‹ˆ๋‹ค.

 

์ €์ž‘์žํ‘œ์‹œ (์ƒˆ์ฐฝ์—ด๋ฆผ)

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    • [Next.js] Page Router, ์„ค์ •, ๋„ค๋น„๊ฒŒ์ดํŒ…
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    • [Next.js] ํ”„๋กœ์ ํŠธ ์ƒ์„ฑ
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