misc(jsconfig): Enable type checking for JavaScript #3589
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obvs this is non-binding for now, but this seems like a good idea. If we have type checking some day we'll want to be strict with nulls/undefined |
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@brendankenny 👍 added |
paulirish
approved these changes
Oct 17, 2017
patrickhulce
approved these changes
Oct 17, 2017
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nice 👍
I'd guess strict does something similar to ts's strict which is just an alias for a couple useful flags?
--strictNullChecks
--noImplicitAny
--noImplicitThis
--alwaysStrict
https://blog.mariusschulz.com/2017/06/09/typescript-2-3-the-strict-compiler-option
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Highlights errors in IDE, doesn't affect automatic linters.
Doc: https://code.visualstudio.com/docs/languages/javascript (cmd+f "checkJs")
Can be disabled per file via
// @ts-nocheck.We could also add
strict: true. I have hard time finding the docs for this, but from what I can see it doesn't allow implicit 'any' type and is able to recognize that function may return undefined while jsdoc says it should return a string.