Preserve line base price precision in UBL XML generation

package.json

@@ -1,6 +1,6 @@
 {
     "name": "@pixeldrive/peppol-toolkit",
-    "version": "0.8.3",
+    "version": "0.8.4",
     "description": "A TypeScript toolkit for building and reading peppol UBL documents",
     "keywords": [
         "peppol",

src/builder/DocumentBuilder.ts

@@ -44,7 +44,7 @@
      * @param invoice The invoice data
      * @returns The the invoice in Peppol format as an object
      */
     private __buildInvoice(invoice: Invoice) {
         return {
             ...this.__xmlHeader,
             Invoice: {
@@ -237,7 +237,7 @@
      * @param creditNote The credit-note data
      * @returns The creditNote in Peppol format as an object
      */
     private __buildCreditNote(creditNote: CreditNote) {
         return {
             ...this.__xmlHeader,
             CreditNote: {
@@ -994,7 +994,7 @@
         );
     }
 
     private __buildLineItem(
         line: Invoice['invoiceLines'][number],
         quantityTag: string
     ) {
@@ -1143,7 +1143,7 @@
             },
             'cac:Price': {
                 'cbc:PriceAmount': {
-                    '#text': line.price.toFixed(2),
+                    '#text': String(line.price),
                     ...XMLAttributes({
                         currencyID: line.currency,
                     }),

tests/builder-creditnote.test.ts

@@ -132,4 +132,20 @@ describe('Creditnote Builder', () => {
             /<cac:TaxRepresentativeParty>\s*<cac:Party>/
         );
     });
+
+    it('should preserve line price precision in PriceAmount', () => {
+        const creditNoteXML = toolkit.creditNoteToPeppolUBL({
+            ...basicCreditNote,
+            creditNoteLines: [
+                {
+                    ...basicCreditNote.creditNoteLines[0],
+                    price: 10.129,
+                },
+            ],
+        });
+
+        expect(creditNoteXML).toContain(
+            '<cbc:PriceAmount currencyID="EUR">10.129</cbc:PriceAmount>'
+        );
+    });
 });

tests/builder-invoice.test.ts

@@ -148,4 +148,20 @@ describe('Invoices Builder', () => {
             /<cac:TaxRepresentativeParty>\s*<cac:Party>/
         );
     });
+
+    it('should preserve line price precision in PriceAmount', () => {
+        const invoiceXML = toolkit.invoiceToPeppolUBL({
+            ...basicInvoice,
+            invoiceLines: [
+                {
+                    ...basicInvoice.invoiceLines[0],
+                    price: 10.129,
+                },
+            ],
+        });
+
+        expect(invoiceXML).toContain(
+            '<cbc:PriceAmount currencyID="EUR">10.129</cbc:PriceAmount>'
+        );
+    });
 });