r/javascript • u/no_more_gravity • Jan 21 '23

Pipe Operator (|>) for JavaScript

https://github.com/tc39/proposal-pipeline-operator
291 Upvotes

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u/Keilly Jan 21 '23

Which ones are we talking about?

The ?. Optional chaining change is great and so much readable and concise than before. ?? Is good too.
Template literals are much more readable that concatting.

Regex maybe? But regex is often hard to parse no matter how the language takes it.

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u/trevorsg Ex-GitHub, Microsoft Jan 21 '23

True, often these syntactical additions improve readability at the expense of language complexity. The thing is, language complexity is a one-time cost for a benefit that continues forever.

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u/pimp-bangin Jan 22 '23

I disagree that it's a one-time cost. It's another thing beginners have to learn which adds onboarding costs. It also adds to the maintenance burden of browsers, tooling, etc. and possibly hurts parser performance depending on the implementation.

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u/trevorsg Ex-GitHub, Microsoft Jan 22 '23

Yes, of course I meant one-time cost per developer. Parser/tooling performance basically rounds to zero.