Fix apv2, WIP

module/system/handlebars-manager.mjs

@@ -90,22 +90,9 @@ export const registerHandlebarsHelpers = function () {
     return str.toLowerCase();
   });
   Handlebars.registerHelper('romanNumber', function (numb) {
-    switch (numb) {
-      case 0:
-        return '';
-      case 1:
-        return 'I';
-      case 2:
-        return 'II';
-      case 3:
-        return 'III';
-      case 4:
-        return 'IV';
-      case 5:
-        return 'V';
-      default:
-        throw new Error('Le handicap rareté doit être comprise entre 0 et 5');
-    }
+    const n = Number(numb);
+    if ( !Number.isFinite(n) || n < 0 ) return '';
+    return ['', 'I', 'II', 'III', 'IV', 'V', 'VI', 'VII', 'VIII', 'IX', 'X'][n] ?? '';
   });
 
   // search translation with variables
@@ -386,7 +373,9 @@ export const registerHandlebarsHelpers = function () {
   Handlebars.registerHelper('repeat', function (times, start, indexLabel, block) {
     var accum = '';
     if (!indexLabel) { indexLabel = "index" }
-    if (!start) { start = 0; }
+    times = Number(times);
+    start = Number(start ?? 0);
+    if ( !Number.isFinite(times) || !Number.isFinite(start) || times < 0 ) return '';
     for (var i = start; i < times + start; ++i) {
       block.data[indexLabel] = i;
       block.data.first = i === start;