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Error TS2411: Property '"Fn::Transform"' is not assignable to 'string' index type #82

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Error TS2411: Property '"Fn::Transform"' is not assignable to 'string' index type#82
@zirkelc

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@zirkelc
zirkelc
opened on Sep 24, 2023

I created types for the serverless-step-functions plugin and submitted it to DefinitelyTyped PR#66693.

The @types/serverless-step-functions depend on this package, because it uses module augmentation to merge the StepFunctions types into the Serverless type.

However, the CI on the PR fails due to errors in this package:
Test Log
image

The mentioned lines of code node_modules/@serverless/typescript/index.d.ts(1348,7) are these:

typescript/index.d.ts

Lines 1360 to 1390 in 29ea18f

Resources?: {
"Fn::Transform"?: {
Name: string;
Parameters?: {
[k: string]: unknown;
};
};
/**
* This interface was referenced by `undefined`'s JSON-Schema definition
* via the `patternProperty` "^[a-zA-Z0-9]{1,255}$".
*/
[k: string]: {
Type: string;
Properties?: {
[k: string]: unknown;
};
CreationPolicy?: {
[k: string]: unknown;
};
DeletionPolicy?: string;
DependsOn?: AwsResourceDependsOn;
Metadata?: {
[k: string]: unknown;
};
UpdatePolicy?: {
[k: string]: unknown;
};
UpdateReplacePolicy?: string;
Condition?: AwsResourceCondition;
};
};

The property "Fn::Transform"?: can be undefined while the index type [k: string]: can't be undefined. I assume changing it to [k: string]?: would be enough to fix it?

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