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teppeis id:teppeis

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Node.jsã®ãƒã‚¤ãƒ†ã‚£ãƒ–ES Modulesã‚µãƒãƒ¼ãƒˆãŒæŠ±ãˆã‚‹å•é¡Œã‚’è§£æ±ºã™ã‚‹Babelãƒ—ãƒ©ã‚°ã‚¤ãƒ³ã‚’æ›¸ã„ãŸ
babel-plugin-node-cjs-interop ã¨ã„ã†ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã‚’ä½œã£ãŸã®ã§ãã®ç´¹ä»‹ã§ã™ã€‚ (GitHub) ä½•ãŒå•é¡Œã‹ Node.jsã®ãƒã‚¤ãƒ†ã‚£ãƒ–ES Modulesã‚µãƒãƒ¼ãƒˆã¨Babelã‚„TypeScriptã®ES Modulesã‚µãƒãƒ¼ãƒˆã‚’ä½µç”¨ã—ãŸã¨ãã«å•é¡ŒãŒèµ·ãã¾ã™ã€‚ ESMã¨CJS JavaScriptã«ã¯æ¨™æº–ã®ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã‚·ã‚¹ãƒ†ãƒ (ES Modules, ESM) ãŒã‚ã‚Šã¾ã™ãŒã€ESMã®ç–å®šå‰ã«å…ˆã ã£ã¦ã„ãã¤ã‹ã®ã‚³ãƒŸãƒ¥ãƒ‹ãƒ†ã‚£ãƒ¼å®šç¾©ã®ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã‚·ã‚¹ãƒ†ãƒ ãŒå˜åœ¨ã—ã¦ã„ã¾ã—ãŸã€‚ãã®ã†ã¡Node.jsã‚’ä¸å¿ƒã¨ã—ã¦ä½¿ã‚ã‚Œã¦ã„ãŸã®ãŒCommonJS Modules (CJS) ã§ã™ã€‚ãã®Node.jsç•Œéšˆã§ã‚‚ESMã¸ã®ç§»è¡ŒãŒé€²ã‚“ã§ã„ã¾ã™ã€‚ ç§»è¡Œã«ã‚ãŸã£ã¦å•é¡Œã«ãªã‚‹ã“ã¨ã®ã²ã¨ã¤ãŒã€ESMã¨CJSã®ã‚¨ã‚¯ã‚¹ãƒãƒ¼ãƒˆãƒ¢ãƒ‡ãƒ«ã®é•ã„ã§ã™ã€‚ ESMã§ã¯ã€ãƒ¢ã‚¸ãƒ¥ãƒ¼ãƒ«ã¯0å€‹ä»¥ä¸Šã®åå‰ã¤ãã‚¨ã‚¯ã‚¹ãƒãƒ¼ãƒˆã‚’å®š
teppeis 2022/01/01
babelç‰ã®æ“¬ä¼¼ESM default exportã«å¯¾ã—ã¦ã€native ESMå´ã§åå‰ç©ºé–“importã«å¤‰æ›ã—ã¦è§£æ±ºã™ã‚‹babelãƒ—ãƒ©ã‚°ã‚¤ãƒ³ã¨è©²å½“ãƒ‘ãƒƒã‚±ãƒ¼ã‚¸ã®æ¤œå‡ºãƒ„ãƒ¼ãƒ«ã€‚TSã§ã®åž‹ä¸æ•´åˆå•é¡Œã¯ã©ã†ã—ã¾ã—ã‚‡ã†ã‹ã

esm

node.js

babel
ãƒªãƒ³ã‚¯
Node.js Native ESM ã¸ã®é“ ã€œæœ€çµ‚ç« : Babel / TypeScript Modules ã¨ã®é—˜ã„ã€œ
Node.js Native ESM ã¸ã®é“ ã€œæœ€çµ‚ç« : Babel / TypeScript Modules ã¨ã®é—˜ã„ã€œ 2021/02/25(æœ¨) Nodeå¦åœ’ 35æ™‚é™ç›®ã®ç™ºè¡¨è³‡æ–™ https://nodejs.connpass.com/event/203464/ Node.js ã® ES Modules å¯¾å¿œã«ã¤ã„ã¦
teppeis 2021/02/25
ç™ºè¡¨è³‡æ–™ã§ã™ï¼ #tng35

node.js

esm

babel

typescript

self
ãƒªãƒ³ã‚¯
ESM-CJS interop test
ESM-CJS interop test Test Cases Results Node.js Babel Webpack Rollup.js Parcel esbuild Results by test case Results by syntax import x and similar import { named } and similar import { __esModule } and similar import * and similar import() and similar require().default and similar require().named and similar require().__esModule and similar require() and similar Direct differences Webpack <-> Node
teppeis 2020/11/24
esm

commonjs

module

node.js

webpack

babel

rollup
ãƒªãƒ³ã‚¯
Add a spec mode to transform-es2015-modules-commonjs by Jessidhia Â· Pull Request #4964 Â· babel/babel
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teppeis 2017/07/23
Babelã«ES Modulesä»•æ§˜ã«æº–æ‹ ã™ã‚‹ãƒ¢ãƒ¼ãƒ‰ã‚’è¿½åŠ ã™ã‚‹PR. æ¢ã¾ã£ã¦ã‚‹

babel

node.js

module
ãƒªãƒ³ã‚¯
What Happened When I Peeked Into My Node_Modules Directory
Photo: Mint Images/Getty ImagesThe left-pad fiasco shook the JavaScript community to its core when a rouge developer removed a popular module from npm, causing tens of projects to go dark. While code bloat continues to slow down our websites, drain our batteries, and make â€œnpm installâ€ slow for a few seconds, many developers like myself have decided to carefully audit the dependencies we bring int
teppeis 2016/08/16
babel

node.js
ãƒªãƒ³ã‚¯
1