๐Ÿ‘ฉ‍๐Ÿ’ป๊ฐœ๋ฐœ_TIL/์—๋Ÿฌ 5

[๋ฆฌ์•กํŠธ] All component children of <Routes> must be a <Route> or <React.Fragment>(๋ฆฌ์•กํŠธ ๋ผ์šฐํ„ฐ v6 ์—…๋ฐ์ดํŠธ)

๋ฆฌ์•กํŠธ ๋ผ์šฐํŒ…์„ ์ ์šฉํ•˜๋ฉด์„œ ๋‹ค์Œ๊ณผ ๊ฐ™์€ ์—๋Ÿฌ๋ฅผ ๋ฐœ๊ฒฌํ–ˆ๋Š”๋ฐ์š”. ๋ฆฌ์•กํŠธ ๋ผ์šฐํ„ฐ ๋ฒ„์ „์ด v5์—์„œ v6๋กœ ์—…๋ฐ์ดํŠธ๋˜๋ฉด์„œ ๋ณ€๊ฒฝ๋œ ์‚ฌํ•ญ๊ณผ ๊ด€๋ จ๋œ ์—๋Ÿฌ์ž…๋‹ˆ๋‹ค. (์—ญ์‹œ ํ”„๋ก ํŠธ์—”๋“œ์˜ ๊ธฐ์ˆ  ์—…๋ฐ์ดํŠธ๋Š” ๋นจ๋ผ๋„ ๋„ˆ๋ฌด ๋นจ๋ผ..) ๋ฐ”๋กœ ๋Œ€์‹ ์— ๋กœ ์ ์šฉํ•˜๋ฉด ๋ฉ๋‹ˆ๋‹ค. Switch์™€ ๊ด€๋ จ๋œ ์—…๋ฐ์ดํŠธ ๋‚ด์šฉ์€ ๋‹ค์Œ๊ณผ ๊ฐ™์Šต๋‹ˆ๋‹ค. 1. ๋Œ€์‹ ์— ์ด์ œ๋Š” ์“ฐ์„ธ์š”! 2. component={์ปดํฌ๋„ŒํŠธ๋ช…} ๋Œ€์‹ ์— ์ด์ œ๋Š” element={} ์“ฐ์„ธ์š”! (๊ฐœ์ธ์ ์œผ๋กœ 1๋ฒˆ์€ Routes, Route๋ผ๋Š” ๋™์ผํ•œ ๋‹จ์–ด์—์„œ ํ†ต์ผ์„ฑ์ด ์žˆ์–ด์„œ ์ข‹์€๋ฐ, component๋Œ€์‹ ์— element๋ฅผ ์“ฐ๋Š”๊ฑด ์ต์ˆ™ํ•˜์ง€ ์•Š์€ ๊ฒƒ ๊ฐ™์Šต๋‹ˆ๋‹ค๐Ÿ˜ข) ์ œ๊ฐ€ ์ž‘์—…์ค‘์ธ ํ”„๋กœ์ ํŠธ์—๋„ ์•„๋ž˜์™€ ๊ฐ™์ด ์ ์šฉํ–ˆ๋”๋‹ˆ ์ •์ƒ์ ์œผ๋กœ ๋™์ž‘ํ•ฉ๋‹ˆ๋‹ค. ๋งˆ์ง€๋ง‰์œผ๋กœ, ๋ฒจ๋กœํผํŠธ๋‹˜์ด ๋ฆฌ์•กํŠธ ๋ผ์šฐํ„ฐ ์—…๋ฐ์ดํŠธ์— ๊ด€ํ•ด ์—…๋กœ๋“œํ•œ ์˜์ƒ..

[๋ฆฌ์•กํŠธ]img elements must have an alt prop

์ด๋ฏธ์ง€๋ฅผ ๋ Œ๋”๋งํ•  ๋•Œ ์œ„์™€ ๊ฐ™์€ ์—๋Ÿฌ๊ฐ€ ๋ฐœ์ƒํ–ˆ์Šต๋‹ˆ๋‹ค. ์ฐพ์•„๋ณด๋‹ˆ img ํƒœ๊ทธ์— alt ์†์„ฑ์„ ์ถ”๊ฐ€ํ•˜์ง€ ์•Š์œผ๋ฉด ๋ฐœ์ƒํ•˜๋Š” warning์ด๋ผ๊ณ  ํ•ฉ๋‹ˆ๋‹ค. (์ถœ์ฒ˜: stackoverflow) What does this warning message mean? 'img elements must have an alt prop, either with meaningful text, or an empty string for de Why am I getting this warning? warning: img elements must have an alt prop, either with meaningful text, or an empty string for decorative images jsx-a11y/img-has-alt I..

[๋ฆฌ์•กํŠธ]You are running `create-react-app` x.x.x, which is behind the latest release (x.x.x)

๊ฐœ์ธ ํ”„๋กœ์ ํŠธ๋ฅผ ์ƒ์„ฑํ•˜๊ธฐ ์œ„ํ•ด ํ„ฐ๋ฏธ๋„์— ๋ช…๋ น์–ด๋ฅผ ์ž…๋ ฅํ–ˆ๋”๋‹ˆ, ๋‹ค์Œ๊ณผ ๊ฐ™์€ ์—๋Ÿฌ๊ฐ€ ๋ฐœ์ƒํ–ˆ์Šต๋‹ˆ๋‹ค. create-react-app์˜ ๋ฒ„์ „์ด ์ตœ์‹ ์ด ์•„๋‹ˆ๋ผ์„œ ์ƒ๊ธฐ๋Š” ๋ฌธ์ œ์ธ ๊ฒƒ๊ฐ™์Šต๋‹ˆ๋‹ค. ํ•ด๊ฒฐ ๋ฐฉ๋ฒ• stackoverflow์—์„œ ํ•ด๋‹น ์—๋Ÿฌ๋ฅผ ๊ฒ€์ƒ‰ํ•ด๋ณด๋ฉด ๋‹ค์Œ๊ณผ ๊ฐ™์€ ๋‹ต๋ณ€์„ ์ฐพ์„ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. (์ถœ์ฒ˜: stackoverflow) create-react-app is not working since version 4.0.1 I tried installing create-react-app using npm i create-react-app, npx create-react-app new-app and npm init react-app new-app, but I keep getting this error message: You ..

[๋ฆฌ์•กํŠธ]<a> cannot appear as a descendant of <a>

react-router์˜ Link์™€ ํƒœ๊ทธ์˜ ๊ธฐ๋Šฅ์ด ์ค‘๋ณต๋˜์–ด ๋ฐœ์ƒํ•˜๋Š” ์˜ค๋ฅ˜์ž…๋‹ˆ๋‹ค. ๋ฅผ ์ง€์šฐ๊ณ  aํƒœ๊ทธ์˜ ์†์„ฑ์— as={Link}์™€ to="์—”๋“œํฌ์ธํŠธ" ์™€ ๊ฐ™์ด ์ž‘์„ฑํ•˜๋ฉด ๋ฉ๋‹ˆ๋‹ค. as = {Link} aํƒœ๊ทธ๋ฅผ Link ์ฒ˜๋Ÿผ ์‚ฌ์šฉํ•˜๊ฒ ๋‹ค๊ณ  ์ •ํ•ด์ค๋‹ˆ๋‹ค. to = "์—”๋“œํฌ์ธํŠธ" Link์™€ ๋™์ผํ•˜๊ฒŒ ์ด๋™ํ•  ์ฃผ์†Œ๋ฅผ ์ง€์ •ํ•ฉ๋‹ˆ๋‹ค. ํฌ์ธํŠธ๋Š” as๋ผ๋Š” ํ‚ค์›Œ๋“œ๋กœ ํƒœ๊ทธ๋ฅผ ์ฒ˜๋Ÿผ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ๋‹ค๋Š” ์ ์ž…๋‹ˆ๋‹ค.๐Ÿ˜Ž

[๋ฆฌ์•กํŠธ]Invalid DOM property class. Did you mean className?

JSX๋Š” ์ž๋ฐ”์Šคํฌ๋ฆฝํŠธ์˜ ์ผ๋ถ€์ด๋ฏ€๋กœ class๋ผ๋Š” ํ‚ค์›Œ๋“œ๋ฅผ ์‚ฌ์šฉํ•˜๋ฉด ์ด๋ฏธ ์กด์žฌํ•˜๋Š” class ๋ฌธ๋ฒ•๊ณผ ์ค‘๋ณต๋ฉ๋‹ˆ๋‹ค. ๋”ฐ๋ผ์„œ HTML ํƒœ๊ทธ์— ํด๋ž˜์Šค๋ช…์„ ์ง€์–ด์ค„ ๋•Œ๋Š” className์œผ๋กœ ์ž‘์„ฑํ•ด์•ผ ํ•ฉ๋‹ˆ๋‹ค. https://bit.ly/3nkoLZb [React] JSX์˜ค๋ฅ˜ํ•ด๊ฒฐ - Warning: Invalid DOM property `class`. Did you mean `className`? React๋ฅผ ํ™œ์šฉํ•œ ๊ฐœ๋ฐœ์„ ์ง„ํ–‰ํ•˜๋ฉด์„œ JSX๋Š” javaScript์ด๋ฏ€๋กœ class์˜ ๋‹ค๋ฅธ ์˜๋ฏธ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค. ๋ฌด๋ฃŒํ…œํ”Œ๋ฆฟ์ด๋‚˜ ํผ๋ธ”๋ฆฌ์‹ฑ ์ž‘์—…์„ ์ „๋‹ฌ๋ฐ›์•˜์„ ๋•Œ JSX์—์„œ class์˜ ์˜ค๋ฅ˜๋ฅผ ๋ณด๊ฒŒ๋  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. HTML ํƒœ๊ทธ ์†์„ฑ์„ mandlife.tistory.com App.js๋ฅผ ํ™•์ธํ•ด๋ณด๋‹ˆ, ์ œ๊ฐ€ Bootstrap์—์„œ ์‚ฌ์šฉํ•œ N..

1