Feature Request: allow exclusion of node_modules when skipLibCheck is false

## Search Terms `skipLibCheck node_modules`, `skipLibCheck` All I've found is this lonely [SO post](https://stackoverflow.com/questions/49985943/skip-library-check-only-in-node-modules). As that user notes, there are a lot of posts around Angular and excluding node_modules from typechecking on one dimension or another, but they all end up suggesting turning _on_ `skipLibCheck`. ## Suggestion Allow the exclusion of files in node_modules (regardless of their inclusion in the Project) from lib checking when `skipLibCheck` is set to `false`. ## Use Cases I want to be able to typecheck _my own_ `.d.ts` files without being responsible for all of the types my dependencies import. My local configuration is `strict` and it may be that the types provided in my packages were not intended `strict`ly, or other configurations in my local JSON run up against the way other packages have written theirs. I am assuming the counterargument is that it's all-or-nothing, but then why do `.ts` files that _rely on_ `.d.ts` files typecheck fine when my `.d.ts` files are not typechecked? Can't that behavior be applied to definitions in node_modules? ## Examples Not sure how to show an example here. I would like to be able to run `tsc --noEmit` on my codebase and get errors for my own definitions files without having a bunch of noise from unfixable errors in `node_modules/@types` etc. ## Checklist My suggestion meets these guidelines: * [x] This wouldn't be a breaking change in existing Type

Posted by bensaufley on Mar 20, 2019, 7:23 PM

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• github (Other)

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