/**
* Type guard functions for runtime validation of tool arguments
* These functions provide type-safe validation without requiring external libraries like Zod
*/
/**
* Type guard for get_user_events tool arguments
*/
export function isGetUserEventsArgs(args: unknown): args is GetUserEventsArgs {
if (!args || typeof args !== 'object') return true; // null/undefined is valid
const obj = args as Record<string, unknown>;
return (
(obj['type'] === undefined ||
['navigation', 'click', 'input', 'custom'].includes(
obj['type'] as string,
)) &&
(obj['startTime'] === undefined || typeof obj['startTime'] === 'number') &&
(obj['endTime'] === undefined || typeof obj['endTime'] === 'number') &&
(obj['path'] === undefined || typeof obj['path'] === 'string') &&
(obj['limit'] === undefined || typeof obj['limit'] === 'number')
);
}
/**
* Type guard for get_navigation_history tool arguments
*/
export function isGetNavigationHistoryArgs(
args: unknown,
): args is GetNavigationHistoryArgs {
if (!args || typeof args !== 'object') return true;
const obj = args as Record<string, unknown>;
return obj['limit'] === undefined || typeof obj['limit'] === 'number';
}
/**
* Type guard for get_click_events tool arguments
*/
export function isGetClickEventsArgs(
args: unknown,
): args is GetClickEventsArgs {
if (!args || typeof args !== 'object') return true;
const obj = args as Record<string, unknown>;
return (
(obj['element'] === undefined || typeof obj['element'] === 'string') &&
(obj['limit'] === undefined || typeof obj['limit'] === 'number')
);
}
// Type definitions for tool arguments (exported for reuse)
export type GetUserEventsArgs = {
type?: 'navigation' | 'click' | 'input' | 'custom';
startTime?: number;
endTime?: number;
path?: string;
limit?: number;
};
export type GetNavigationHistoryArgs = {
limit?: number;
};
export type GetClickEventsArgs = {
element?: string;
limit?: number;
};
