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ECMAScript News (ecmascript_news@mastodon.online)'s status on Thursday, 07-Dec-2023 22:38:47 JST ECMAScript News
- Phil Nash
Stop nesting ternaries in JavaScript
@philnash
https://www.sonarsource.com/blog/stop-nesting-ternaries-javascript/
#ECMAScript #JavaScript
In conversation about a year ago from mastodon.online permalink
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  Stop nesting ternaries in JavaScript
  
  Nesting ternary operators makes code more complex and less clear. Let's investigate other ways to write conditional expressions.
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  Sergey on FunctionalScript (functionalscript@techhub.social)'s status on Thursday, 07-Dec-2023 22:38:43 JST Sergey on FunctionalScript
  in reply to
  - Phil Nash
  @ecmascript_news @philnash agree, I'm using `if () { return .. }` always. I've also tried to use `switch (true)` but TypeScript can't narrow types :-( https://github.com/functionalscript/functionalscript/pull/263/files
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    `switch (true)` instead of `if () { return }` by sergey-shandar · Pull Request #263 · functionalscript/functionalscript
    
    FunctionalScript is a purely functional subset of JavaScript - `switch (true)` instead of `if () { return }` by sergey-shandar · Pull Request #263 · functionalscript/functionalscript
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  Sergey on FunctionalScript (functionalscript@techhub.social)'s status on Thursday, 07-Dec-2023 23:39:20 JST Sergey on FunctionalScript
  in reply to
  - Phil Nash
  @ecmascript_news @philnash Thank you! Good to know! However, it looks like the narrowing doesn't apply to the next `case ...` after `return` 🥴 https://github.com/functionalscript/functionalscript/pull/263/commits/58db1318b5742e636df6a2e03005f1fc9719de4b
  In conversation about a year ago permalink
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    `switch (true)` instead of `if () { return }` by sergey-shandar · Pull Request #263 · functionalscript/functionalscript
    
    FunctionalScript is a purely functional subset of JavaScript - `switch (true)` instead of `if () { return }` by sergey-shandar · Pull Request #263 · functionalscript/functionalscript
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  ECMAScript News (ecmascript_news@mastodon.online)'s status on Thursday, 07-Dec-2023 23:39:21 JST ECMAScript News
  in reply to
  - Sergey on FunctionalScript
  - Phil Nash
  @functionalscript @philnash The latter has changed recently: https://www.typescriptlang.org/docs/handbook/release-notes/typescript-5-3.html#switch-true-narrowing
  In conversation about a year ago permalink
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    Documentation - TypeScript 5.3
    
    TypeScript 5.3 Release Notes

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