fix(check): include dts files in tsc roots #18026
Merged
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Currently declaration files aren't included in type checking unless as a dependency of a module. This affects entrypoint
.d.ts
modules, theX-TypeScript-Types
/<reference types="./foo.d.ts" />
of a JS entrypoint module and doc tests of untagged code blocks within a.d.ts
module.The last one exposed that there were some untagged code blocks in
lib.deno.ns.d.ts
which would be wrongly checked in ambient mode due to the inherited virtual file extension being.d.ts
. I've added those tags and also removed the unsafe default which causes that to happen.