Typescript: --downlevelIteration์„ ์‚ฌ์šฉํ•˜์ง€ ์•Š์„ ๋•Œ ๋ฐ˜๋ณต ๋œ ์—”ํ‹ฐํ‹ฐ์— ๋Œ€ํ•ด ๋” ๋‚˜์€ ์˜ค๋ฅ˜ ๋ฉ”์‹œ์ง€๊ฐ€ ์ œ๊ณต๋ฉ๋‹ˆ๋‹ค.

์— ๋งŒ๋“  2017๋…„ 05์›” 23์ผ  ยท  3์ฝ”๋ฉ˜ํŠธ  ยท  ์ถœ์ฒ˜: microsoft/TypeScript



TypeScript ๋ฒ„์ „ : 2.3.3

์•”ํ˜ธ

String.fromCharCode(...new Uint8Array(0));

์˜ˆ์ƒ๋˜๋Š” ๋™์ž‘ :
์ปดํŒŒ์ผ ์˜ค๋ฅ˜๊ฐ€ ์—†์„ ๊ฒƒ์œผ๋กœ ์˜ˆ์ƒํ•ฉ๋‹ˆ๋‹ค.

์‹ค์ œ ํ–‰๋™ :
image
image

์ด ์ฝ”๋“œ๋ฅผ ์ž‘์„ฑํ•ด์•ผํ•ฉ๋‹ˆ๋‹ค.

String.fromCharCode(...Array.from(new Uint8Array(0)));
Bug Error Messages Moderate help wanted

๊ฐ€์žฅ ์œ ์šฉํ•œ ๋Œ“๊ธ€

๊ฐ’์ด ๋ฐ˜๋ณต ๊ฐ€๋Šฅํ•œ ๊ฒฝ์šฐ (์˜ˆ : Symbol.iterator )์ด ์˜ค๋ฅ˜ ๋ฉ”์‹œ์ง€๋ฅผ ๋ฐœํ–‰ํ•ด์•ผํ•ฉ๋‹ˆ๋‹ค.

Type '{0}' can only be iterated through when using the '--downlevelIteration' flag.

๋ชจ๋“  3 ๋Œ“๊ธ€

--downlevelIteration ํ•ฉ๋‹ˆ๋‹ค.

์˜ˆ :

tsc --downlevelIteration --lib es5,es2015.iterable a.ts

๊ฐ’์ด ๋ฐ˜๋ณต ๊ฐ€๋Šฅํ•œ ๊ฒฝ์šฐ (์˜ˆ : Symbol.iterator )์ด ์˜ค๋ฅ˜ ๋ฉ”์‹œ์ง€๋ฅผ ๋ฐœํ–‰ํ•ด์•ผํ•ฉ๋‹ˆ๋‹ค.

Type '{0}' can only be iterated through when using the '--downlevelIteration' flag.

๊ฒ€์ƒ‰์„ ํ†ตํ•ด ์—ฌ๊ธฐ๋กœ ์˜จ ์‚ฌ๋žŒ๋“ค์˜ ๊ฒฝ์šฐ "target": "es6" ํ•˜์—ฌ์ด ๋ฌธ์ œ๋ฅผ ํ•ด๊ฒฐํ–ˆ์Šต๋‹ˆ๋‹ค. tsconfig.json target ๊ตฌ์„ฑ์ด ์—†์—ˆ์Šต๋‹ˆ๋‹ค. ์ด๊ฒƒ์€ TypeScript 2.8.1์ž…๋‹ˆ๋‹ค.

์ด ํŽ˜์ด์ง€๊ฐ€ ๋„์›€์ด ๋˜์—ˆ๋‚˜์š”?
0 / 5 - 0 ๋“ฑ๊ธ‰