import type { SPLDocument } from '../types/index.js';
export interface PaginationResult<T> {
data: T[];
pagination: {
page: number;
pageSize: number;
totalResults: number;
totalPages: number;
hasNextPage: boolean;
hasPreviousPage: boolean;
};
}
export function paginateResults<T>(allResults: T[], page: number, pageSize: number): PaginationResult<T> {
const totalResults = allResults.length;
const totalPages = Math.ceil(totalResults / pageSize);
// Calculate pagination indices
const startIndex = (page - 1) * pageSize;
const endIndex = startIndex + pageSize;
// Get the paginated slice
const paginatedData = allResults.slice(startIndex, endIndex);
return {
data: paginatedData,
pagination: {
page,
pageSize,
totalResults,
totalPages,
hasNextPage: page < totalPages,
hasPreviousPage: page > 1,
},
};
}
export function validatePaginationParams(page: number, pageSize: number, maxPageSize: number = 200): void {
if (page < 1) {
throw new Error("Page number must be 1 or greater");
}
if (pageSize < 1 || pageSize > maxPageSize) {
throw new Error(`Page size must be between 1 and ${maxPageSize}`);
}
}
