fix: Type soundness issue with Provider.resolveObjectEvaluation #1158

[ScottVenkataraman]

This PR

Updates the TypeScript method signature of resolveObjectEvaluation so that the defaultValue has a type of JsonValue and the returned promise's ResolutionDetails has a type of JsonValue

[gemini-code-assist]

Summary of Changes

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This pull request addresses a type soundness issue within the Provider.resolveObjectEvaluation method. By refining the TypeScript signature, it ensures that the defaultValue and the resolved promise's ResolutionDetails consistently handle JsonValue types, preventing potential type mismatches and improving the robustness of the API.

Highlights

• Type Signature Update: The TypeScript method signature for resolveObjectEvaluation has been updated to ensure type soundness. Specifically, the defaultValue parameter's type was changed from a generic T to JsonValue, and the return type was adjusted from Promise<ResolutionDetails<T>> to Promise<ResolutionDetails<JsonValue>>.

Changelog

• packages/server/src/provider/provider.ts
  • Updated the type signature of the resolveObjectEvaluation method to use JsonValue for defaultValue and the return type.

Activity

• No specific activity has been recorded for this pull request yet.

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[gemini-code-assist]

Code Review

This pull request correctly addresses a type soundness issue in resolveObjectEvaluation by using JsonValue for the default value and return type. However, this is a breaking change for the Provider interface, and the pull request is incomplete as it doesn't update the implementing classes like InMemoryProvider and MultiProvider. This will cause compilation errors. Please update all implementations of the Provider interface. I have also left a comment with a suggestion to further improve the new interface signature by removing a now-unused generic parameter.