When using a

StackReference

, how do you get the output as an array? I tried this:

let subnetIds = myStack.getOutput("subnetIds") as pulumi.Output<string[]>;

but Typescript fails with:

TS2740: Type 'Output<any>' is missing the following properties from type 'Input<string>[]': length, pop, push, concat, and 26 more..

. I'm fairly certain the type of

getOutput

is correct.

Guessing that is

pulumi.Output<pulumi.Output<string>[]>

That results in a similar message:

TS2740: Type 'Output<Output<string>[]>' is missing the following properties from type 'Input<string>[]': length, pop, push, concat, and 26 more.

that’s another one for @lemon-spoon-91807

Fairly certain the type is Output<string[]> from

getOutput

. If I do

myStack.getOutput("subnetIds").apply(x => { console.log(x); return x;})

x

is printed as an array.

I think the

getOutput

return type is overly vague since it could be one of many. It could possibly be parameterized to allow a return type, like

getOutput<string[]>

to provide a better dev experience. As-is it is a cast either way to what you want to use.

FWIW, I'm trying to create a vpc from the output:

let subnetIds = myStack.getOutput("subnetIds") as pulumi.Output<string[]>;
const vpc = awsx.ec2.Vpc.fromExistingIds("infra-vpc", {
    vpcId: vpcId,
    publicSubnetIds: subnetIds,
});

and the error is on the

publicSubnetIds

line.

I would love to help you. And i will! But i'm oof for a few days.