62 lines
1.3 KiB
TypeScript
62 lines
1.3 KiB
TypeScript
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// Utility functions shared across services
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export function delay(ms: number): Promise<void> {
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return new Promise((resolve) => setTimeout(resolve, ms));
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}
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export function formatBytes(bytes: number): string {
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if (bytes === 0) return "0 Bytes";
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const k = 1024;
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const sizes = ["Bytes", "KB", "MB", "GB"];
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const i = Math.floor(Math.log(bytes) / Math.log(k));
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return Math.round((bytes / Math.pow(k, i)) * 100) / 100 + " " + sizes[i];
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}
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export function generateId(): string {
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return `${Date.now()}-${Math.random().toString(36).substr(2, 9)}`;
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}
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export function isValidUrl(url: string): boolean {
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try {
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new URL(url);
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return true;
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} catch {
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return false;
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}
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}
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export function sanitizeString(str: string): string {
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return str.replace(/[<>]/g, "").trim().substring(0);
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}
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export interface PaginationParams {
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page: number;
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limit: number;
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}
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export interface PaginatedResponse<T> {
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data: T[];
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total: number;
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page: number;
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limit: number;
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pages: number;
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}
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export function calculatePagination(
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total: number,
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page: number,
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limit: number,
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): PaginatedResponse<never> {
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return {
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data: [],
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total,
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page,
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limit,
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pages: Math.ceil(total / limit),
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};
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}
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export function getOffset(page: number, limit: number): number {
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return (page - 1) * limit;
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}
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