Deno•3y ago

LSP: Uncached or missing @types/node when importing node:process

I'd like to understand better what's going on here in case it's a potential bug in node interop:

// test.ts
import process from 'node:process';
console.log("arch is", process.arch);

// test.ts
import process from 'node:process';
console.log("arch is", process.arch);

The LSP flags

node:process

node:process

with

Uncached or missing npm package: @types/node

Uncached or missing npm package: @types/node

. Running

deno cache test.ts

deno cache test.ts

does not change anything, but if I manually run the same commands in a

deno repl

deno repl

, I notice a status message appear after running the import:

Download https://registry.npmjs.org/@types/node

Download https://registry.npmjs.org/@types/node

. After doing this in the repl, then I can reload the LSP and it no longer flags this line.

It appears to me that the repl knows that it needs to download

@types/node

@types/node

, but

deno cache

deno cache

does not. I don't believe I need to explicitly import

@types/node

@types/node

in my

test.ts

test.ts

, because it executes the same way whether or not I have cached the types using the repl workaround (I tested this by trashing

~/Library/Caches/deno

~/Library/Caches/deno

a few times).

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