Function isAssistantThinking

packages/core/src/session.ts:1113–1125

(value: unknown)

}

function isAssistantThinking(value: unknown): value is AssistantThinking {
  return (
    isRecord(value) &&
    hasExactShape(value, ASSISTANT_THINKING_SHAPE) &&
    typeof value.text === 'string' &&
    isOptionalString(value.signature) &&
    (value.providerOptions === undefined || isRecord(value.providerOptions)) &&
    (value.parts === undefined ||
      (Array.isArray(value.parts) &&
        value.parts.length > 0 &&
        value.parts.every(isAssistantThinkingPart)))
  );
}

function isOptionalFiniteDuration(value: unknown): boolean {
  return value === undefined || isFiniteNumber(value);