InvoiceExpress MCP

import { z } from 'zod'; import { ValidationError } from './errors.js'; export function validateInput<T>( schema: z.ZodSchema<T>, data: unknown, context?: string, ): T { try { return schema.parse(data); } catch (error) { if (error instanceof z.ZodError) { const details = error.errors.map((err) => ({ path: err.path.join('.'), message: err.message, })); const message = context ? `Validation failed for ${context}: ${details.map((d) => `${d.path} - ${d.message}`).join(', ')}` : `Validation failed: ${details.map((d) => `${d.path} - ${d.message}`).join(', ')}`; throw new ValidationError(message, { errors: details }); } throw error; } } export const paginationSchema = z.object({ page: z.number().int().positive().default(1), perPage: z.number().int().min(1).max(100).default(20), }); export const dateSchema = z.string().regex(/^\d{4}-\d{2}-\d{2}$/, 'Date must be in YYYY-MM-DD format'); export const datePTSchema = z.string().regex(/^\d{2}\/\d{2}\/\d{4}$/, 'Date must be in DD/MM/YYYY format'); export const dateFlexibleSchema = z.string().regex( /^(\d{4}-\d{2}-\d{2}|\d{2}\/\d{2}\/\d{4})$/, 'Date must be in YYYY-MM-DD or DD/MM/YYYY format' ); export const emailSchema = z.string().email(); export const vatNumberSchema = z.string().regex(/^\d{9}$/, 'VAT number must be 9 digits');