aws-cognito-identitypool-alpha: fromIdentityPoolArn Method throws when using a string from a StringParameter lookup

[Xenoha]

Describe the bug

When using the construct to lookup an IdentityPool from a SSM StringParameter. The construct throws validation errors because it is expecting an actual string of two parts separated by a ':'.

Expected Behavior

Should be able to lookup an Identity pool with a SSM StringParameter stringValue.

Current Behavior

Code at lines 118 of the Identitypool.js file throws
// if (!(idParts.length === 2)) // throw new Error('Invalid Identity Pool Id: Identity Pool Ids must follow the format <region>:<id>'); // if (idParts[0] !== pool.region) // throw new Error('Invalid Identity Pool Id: Region in Identity Pool Id must match stack region');

Reproduction Steps

const identityPool = IdentityPool.fromIdentityPoolArn(this, 'some-identityPool', indentityPoolStringParameter.stringValue)

Possible Solution

Review other constructs best practices for allowing SSM StringParameter lookup stringValue strings.

Additional Information/Context

No response

CDK CLI Version

2.135.0

Framework Version

No response

Node.js Version

20.12.0

OS

Linux

Language

TypeScript

Language Version

Typescript 5.4.4

Other information

No response

[khushail]

Thanks @Xenoha for reaching out . I can see in the code why this is producing an error -

aws-cdk/packages/@aws-cdk/aws-cognito-identitypool-alpha/lib/identitypool.ts

Line 330 in 6f21c1d

if (!(idParts.length === 2)) throw new Error('Invalid Identity Pool Id: Identity Pool Ids must follow the format <region>:<id>');

aws-cdk/packages/@aws-cdk/aws-cognito-identitypool-alpha/lib/identitypool.ts

Line 310 in 6f21c1d

const identityPoolArn = Stack.of(scope).formatArn({

[ndltuan]

I encountered a similar error, how do I fix them.

"@aws-cdk/aws-cognito-identitypool-alpha": "^2.100.0-alpha.0",
"aws-cdk-lib": "^2.100.0",

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