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#typescript
Title
# typescript
i

icy-controller-6092

08/22/2022, 5:42 PM
import type { Provider } from '@pulumi/aws'
seems like it doesn’t work. Easy workaround though (just use 
aws.Provider
instead through a regular import). but I’m curious to know why it doesn’t work?
l

little-cartoon-10569

08/22/2022, 10:58 PM
What version of typescript are you using? This feature is new to 3.8.
i

icy-controller-6092

08/24/2022, 5:12 PM
I’m using 4.7.4
l

little-cartoon-10569

08/24/2022, 7:53 PM
Ah, it's a class, not a type. So you just want 
import { Provider } from '@pulumi/aws'
i

icy-controller-6092

08/24/2022, 9:45 PM
Oh you’re right, it is a class - but 
import type { Class } from 'pkg'
should also work as long as 
Class
is only used as a type in the importing module
I might try to debug more later on and see if I can get to the bottom of it
Copy code
import * as aws from '@pulumi/aws'
import type { Region } from '@pulumi/aws'
and here is the exact error:
Copy code
TSError: ⨯ Unable to compile TypeScript:
    src/platformapi/index.ts(2,13): error TS1005: '=' expected.
    src/platformapi/index.ts(2,29): error TS1005: ';' expected.
    src/platformapi/index.ts(2,15): error TS2304: Cannot find name 'Region'.
    src/platformapi/index.ts(2,24): error TS2304: Cannot find name 'from'.
    src/platformapi/index.ts(9,36): error TS2304: Cannot find name 'Region'.
My gut feeling is that the pulumi CLI bundles a specific version of Typescript compiler into it, and uses that, instead of the 
typescript
module I have installed in my project
l

little-cartoon-10569

08/24/2022, 9:59 PM
Have you seen the section at the bottom of the Javascript page? https://www.pulumi.com/docs/intro/languages/javascript/#disabling-built-in-typescript-support
🙌 1
i

icy-controller-6092

08/24/2022, 10:01 PM
Oh very nice, that’s fixed it (as in, I am now seeing a different error message hehe). Thanks @narrow-author-62348 🥳
👍 1
m

melodic-car-16900

08/29/2022, 3:28 PM
Hey - did you make much progress against this?
I've discovered exactly this - pulumi comes bundled with ts 3.8.something and it doesn't do everything I need it to
or specifically, everything that graphql needs it to
l

little-cartoon-10569

08/29/2022, 8:49 PM
If you disable built-in TS support and specify your own, you can work around this.
m

melodic-car-16900

08/29/2022, 8:57 PM
So like webpack it down to a js file and then pulumi up that?
🥲
l

little-cartoon-10569

08/29/2022, 8:59 PM
No, just turn off the built-in typescript support and specify your own versions. You'll use ts-node, no need to tsc or anything. It's all in the linked page, at the bottom.
There's never any webpack for node, is there? No need for that...
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