Function isRuntimeEventContent

packages/core/src/runtime-event.ts:636–693

(value: unknown)

}

function isRuntimeEventContent(value: unknown): value is RuntimeEventContent {
  if (!isRecord(value)) return false;
  switch (value.kind) {
    case 'text':
      if (
        !hasExactShape(value, TEXT_CONTENT_SHAPE) ||
        (value.origin !== undefined && !isTurnOrigin(value.origin)) ||
        (value.steering !== undefined && value.steering !== true) ||
        (value.providerOptions !== undefined && !isRecord(value.providerOptions))
      ) {
        return false;
      }
      return isMessageContent({
        text: value.text,
        ...(value.displayText !== undefined ? { displayText: value.displayText } : {}),
        ...(value.attachments !== undefined ? { attachments: value.attachments } : {}),
        ...(value.quotes !== undefined ? { quotes: value.quotes } : {}),
        ...(value.inlineReferences !== undefined
          ? { inlineReferences: value.inlineReferences }
          : {}),
      });
    case 'thinking':
      return (
        hasExactShape(value, THINKING_CONTENT_SHAPE) &&
        typeof value.text === 'string' &&
        isOptionalString(value.signature) &&
        (value.providerOptions === undefined || isRecord(value.providerOptions))
      );
    case 'function_call':
      return (
        hasExactShape(value, FUNCTION_CALL_CONTENT_SHAPE) &&
        typeof value.id === 'string' &&
        typeof value.name === 'string' &&
        Object.hasOwn(value, 'args') &&
        (value.providerOptions === undefined || isRecord(value.providerOptions)) &&
        (value.providerExecuted === undefined || typeof value.providerExecuted === 'boolean')
      );
    case 'function_response':
      return (
        hasExactShape(value, FUNCTION_RESPONSE_CONTENT_SHAPE) &&
        typeof value.id === 'string' &&
        typeof value.name === 'string' &&
        Object.hasOwn(value, 'result') &&
        (value.isError === undefined || typeof value.isError === 'boolean') &&
        (value.providerExecuted === undefined || typeof value.providerExecuted === 'boolean')
      );
    case 'error':
      return (
        hasExactShape(value, ERROR_CONTENT_SHAPE) &&
        isOptionalString(value.code) &&
        isOptionalString(value.reason) &&
        typeof value.message === 'string' &&
        (value.details === undefined || isStringArray(value.details) || isRecord(value.details))
      );
    default:
      return false;
  }
}