allow to configure the minimal id to be generated

form-stamp.js

@@ -1,19 +1,21 @@
 /* jshint esversion: 6 */
 const defaults = {
     nameToReplace: 'idx',
-    removeSelector: '.remove'
+    removeSelector: '.remove',
+    minimalId: 'auto'
 }
 
 export function formStamp(element, options = {})
 {
     const {
         nameToReplace,
-        removeSelector
+        removeSelector,
+        minimalId
     } = { ...defaults, ...element.dataset, ...options };
     const container = element.parentElement;
     const template = element.querySelector('template');
     const itemSelector = '.' + template.content.firstElementChild.className.replace(/ /g, '.');
-    const initialItemCount = container.querySelectorAll(itemSelector).length;
+    const startWithId = minimalId === 'auto' ? container.querySelectorAll(itemSelector).length : parseInt(minimalId);
     let created = 0;
     const afterDomManipulation = () => {
         element.dispatchEvent(new CustomEvent('afterStampDomManipulation'));
@@ -43,7 +45,7 @@ export function formStamp(element, options = {})
     element.addEventListener('click', () => {
         const clone = template.content.cloneNode(true);
         clone.querySelectorAll('input, select, textarea').forEach(child => {
-            child.name = child.name.replace(nameToReplace, initialItemCount + created);
+            child.name = child.name.replace(nameToReplace, startWithId + created);
         });
         clone.querySelectorAll(removeSelector).forEach(child => {
             child.onclick = removeRow(child);
@@ -52,7 +54,7 @@ export function formStamp(element, options = {})
             'beforeStampInsert',
             {
                 detail: {
-                    i: initialItemCount + created,
+                    i: startWithId + created,
                     node: clone
                 },
                 cancelable: true

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@digicomp/form-stamp",
-  "version": "0.0.4",
+  "version": "0.0.5",
   "description": "duplicates an entry form field group",
   "main": "form-stamp.js",
   "scripts": {