@fin.cx/einvoice/dist_ts/formats/ubl/ubl.encoder.js

A TypeScript module for creating, manipulating, and embedding XML data within PDF files specifically tailored for electronic invoice (einvoice) packages.

import { BaseEncoder } from '../base/base.encoder.js';
import { UBLDocumentType, UBL_NAMESPACES } from './ubl.types.js';
/**
 * Base encoder for UBL-based invoice formats
 */
export class UBLBaseEncoder extends BaseEncoder {
    /**
     * Encodes a TInvoice object into UBL XML
     * @param invoice TInvoice object to encode
     * @returns UBL XML string
     */
    async encode(invoice) {
        // TInvoice is always an invoice, treat it as debit note for encoding
        return this.encodeDebitNote(invoice);
    }
    /**
     * Creates the XML declaration and root element
     * @param documentType UBL document type
     * @returns XML string with declaration and root element
     */
    createXmlRoot(documentType) {
        return `<?xml version="1.0" encoding="UTF-8"?>
<${documentType} xmlns="urn:oasis:names:specification:ubl:schema:xsd:${documentType}-2"
  xmlns:cac="${UBL_NAMESPACES.CAC}"
  xmlns:cbc="${UBL_NAMESPACES.CBC}">
</${documentType}>`;
    }
    /**
     * Formats a date as an ISO string (YYYY-MM-DD)
     * @param timestamp Timestamp to format
     * @returns Formatted date string
     */
    formatDate(timestamp) {
        // Ensure timestamp is valid
        if (!timestamp || isNaN(timestamp)) {
            timestamp = Date.now();
        }
        const date = new Date(timestamp);
        // Check if date is valid
        if (isNaN(date.getTime())) {
            return new Date().toISOString().split('T')[0];
        }
        return date.toISOString().split('T')[0];
    }
}
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