chore: format number

src/pages/list/group/index.tsx

@@ -9,6 +9,7 @@ import ToolInputAndResult from '../../../components/ToolInputAndResult';
 import SimpleRadio from '../../../components/options/SimpleRadio';
 import TextFieldWithDesc from '../../../components/options/TextFieldWithDesc';
 import CheckboxWithDesc from '../../../components/options/CheckboxWithDesc';
+import { formatNumber } from '../../../utils/number';
 
 const initialValues = {
   splitOperatorType: 'symbol' as SplitOperatorType,
@@ -121,7 +122,7 @@ export default function FindUnique() {
                   description={'Number of items in a group'}
                   type={'number'}
                   onOwnChange={(value) =>
-                    updateField('groupNumber', Number(value))
+                    updateField('groupNumber', formatNumber(value, 1))
                   }
                 />
                 <TextFieldWithDesc

src/utils/number.ts

@@ -0,0 +1,11 @@
+export function formatNumber(
+  num: number | string,
+  fallback: number = 0
+): number {
+  if (!num) return fallback;
+  const result: number = Number(num);
+  if (!result) {
+    return fallback;
+  }
+  return result >= 0 ? result : fallback;
+}