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Master NestJS Interceptors: Boost Performance, Logging & Error Handling! ๐Ÿš€

Sakura Dev

2025. 2. 25.

0ํšŒ

#backend
  • NestJS Interceptor๋Š” ๋“ค์–ด์˜ค๊ณ  ๋‚˜๊ฐ€๋Š” ์š”์ฒญ์„ ๊ฐ€๋กœ์ฑ„ ๋กœ๊ทธ, ์‘๋‹ต ๋ณ€ํ™˜, ์—๋Ÿฌ ์ฒ˜๋ฆฌ, ์บ์‹ฑ ๋“ฑ์— ์œ ์šฉํ•˜๋‹ค. ๆ‹ฆๆˆชๅ™จ๐Ÿš€
  • Interceptor์™€ Middleware๋Š” ๋ชฉ์ ๊ณผ ๋™์ž‘ ์‹œ์ ์ด ๋‹ค๋ฅด๋‹ค. Interceptor๋Š” ๋ผ์šฐํŠธ ํ•ธ๋“ค๋Ÿฌ ์ „ํ›„์—, Middleware๋Š” ๋ผ์šฐํŠธ ํ•ธ๋“ค๋Ÿฌ ์ „์— ๋™์ž‘ํ•œ๋‹ค. ๐Ÿšฆ
  • Interceptor๋Š” @Injectable ๋ฐ์ฝ”๋ ˆ์ดํ„ฐ๋กœ ํ‘œ์‹œํ•˜๊ณ  NestInterceptor ์ธํ„ฐํŽ˜์ด์Šค๋ฅผ ๊ตฌํ˜„ํ•œ๋‹ค. โš™๏ธ
  • Interceptor๋Š” ์ „์—ญ, ์ปจํŠธ๋กค๋Ÿฌ ๋‹จ์œ„, ๋ฉ”์„œ๋“œ ๋‹จ์œ„๋กœ ์ ์šฉ ๊ฐ€๋Šฅํ•˜๋‹ค. ๐ŸŽฏ
  • RxJS Observable์„ ์ด์šฉํ•˜์—ฌ ๋น„๋™๊ธฐ ์ž‘์—…์„ ์ฒ˜๋ฆฌํ•œ๋‹ค. ๐ŸŒŠ
  • pipe, tap, map ๋“ฑ RxJS ์—ฐ์‚ฐ์ž๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ์‘๋‹ต์„ ๋ณ€ํ™˜ํ•˜๊ณ  ๋ถ€์ˆ˜ ํšจ๊ณผ๋ฅผ ์‹คํ–‰ํ•œ๋‹ค. โž•โž–
  • Observable์€ ์‹œ๊ฐ„์— ๋”ฐ๋ผ ์—ฌ๋Ÿฌ ๊ฐ’์„ ๋ฐฉ์ถœํ•˜๋Š” ๋ฐ์ดํ„ฐ ์ŠคํŠธ๋ฆผ์ด๋‹ค. ๐Ÿ’ซ

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