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NoInfer

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[ TS ] TypeScript 5.4 ์ƒˆ๋กœ์šด ๊ธฐ๋Šฅ ์•Œ์•„๋ณด๊ธฐ. 2024๋…„ 1์›” 24์ผ ํƒ€์ž…์Šคํฌ๋ฆฝํŠธ 5.4 ๋ฒ ํƒ€ ๋ฒ„์ „ ๋ฐœํ‘œ๊ฐ€ ์žˆ์—ˆ๋‹ค. ์ด ํฌ์ŠคํŒ…์€ ํ•ด๋‹น ๋ธ”๋กœ๊ทธ๋ฅผ ๋ณด๊ณ  ๊ณต๋ถ€ํ•˜๊ณ ์ž ํŒŒํŒŒ๊ณ ์™€ ํ•จ๊ป˜ ๋ฒˆ์—ญํ•˜๋ฉฐ ์˜ฎ๊ธด ๊ธ€์ด๋‹ค. (โ€ป์˜ค์—ญ ์ฃผ์˜) ์šฐ์„  TypeScript 5.4 beta ๋ฒ„์ „์€ ์•„๋ž˜์˜ ๋ช…๋ น์–ด๋ฅผ ํ†ตํ•ด ๋‹ค์šด๋ฐ›์„ ์ˆ˜ ์žˆ๋‹ค๊ณ  ํ•œ๋‹ค. npm install -D typescript@beta TypeScript 5.4์˜ ์ƒˆ๋กœ์šด ๊ธฐ๋Šฅ์„ ๊ฐ„๋žตํ•˜๊ฒŒ ์†Œ๊ฐœํ•˜๋ฉด ์•„๋ž˜์™€ ๊ฐ™๋‹ค. 1. Preserved Narrowing in Clousures Following Last Assignments ๋งˆ์ง€๋ง‰ ํ• ๋‹น ํ›„ ํด๋กœ์ ธ์—์„œ ๋ฒ”์œ„๊ฐ€ ์ข์•„์ง€๋„๋ก ํƒ€์ž…์„ ์œ ์ง€(๋ณด์กด)ํ•˜๋‹ค. 2. NoInfer Utility Type NoInfer ์œ ํ‹ธ๋ฆฌํ‹ฐ ํƒ€์ž… 3. Object.groupBy and Map.groupBy O..

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