Fill properly tiles on export

geneit_app/src/utils/string_utils.ts

@@ -0,0 +1,8 @@
+export function getAllIndexes(s: string, val: string) {
+  var indexes = [],
+    i = -1;
+  while ((i = s.indexOf(val, i + 1)) !== -1) {
+    indexes.push(i);
+  }
+  return indexes;
+}