Function resolveToolCalls

packages/ai/ai/src/LanguageModel.ts:992–1037

(
  content: ReadonlyArray<Response.AllPartsEncoded>,
  toolkit: Toolkit.WithHandler<Tools>,
  concurrency: Concurrency | undefined
)

// =============================================================================

const resolveToolCalls = <Tools extends Record<string, Tool.Any>>(
  content: ReadonlyArray<Response.AllPartsEncoded>,
  toolkit: Toolkit.WithHandler<Tools>,
  concurrency: Concurrency | undefined
): Effect.Effect<
  ReadonlyArray<
    Response.ToolResultPart<
      Tool.Name<Tools[keyof Tools]>,
      Tool.Success<Tools[keyof Tools]>,
      Tool.Failure<Tools[keyof Tools]>
    >
  >,
  Tool.HandlerError<Tools[keyof Tools]>,
  Tool.Requirements<Tools[keyof Tools]>
> => {
  const toolNames: Array<string> = []
  const toolCalls: Array<Response.ToolCallPartEncoded> = []

  for (const part of content) {
    if (part.type === "tool-call") {
      toolNames.push(part.name)
      if (part.providerExecuted === true) {
        continue
      }
      toolCalls.push(part)
    }
  }

  return Effect.forEach(toolCalls, (toolCall) => {
    return toolkit.handle(toolCall.name, toolCall.params as any).pipe(
      Effect.map(({ encodedResult, isFailure, result }) =>
        Response.makePart("tool-result", {
          id: toolCall.id,
          name: toolCall.name,
          result,
          encodedResult,
          isFailure,
          providerExecuted: false,
          ...(toolCall.providerName !== undefined
            ? { providerName: toolCall.providerName }
            : {})
        })
      )
    )
  }, { concurrency })
}

// =============================================================================
// Utilities