Fix checkbox with 0 as a value was unselectable in antd

CHANGELOG.md

@@ -24,13 +24,12 @@ should change the heading of the (upcoming) version to include a major version b
 
 ## @rjsf/utils
 
-- [4024](https://github.com/rjsf-team/react-jsonschema-form/issues/4024) Added `base64` to support `encoding`
-  and `decoding` using the `UTF-8` charset to support the characters out of the `Latin1` range.
+- [#4024](https://github.com/rjsf-team/react-jsonschema-form/issues/4024) Added `base64` to support `encoding` and `decoding` using the `UTF-8` charset to support the characters out of the `Latin1` range.
+- Updated `enumOptionsValueForIndex()` to fix issue that filtered enum options with a value that was 0, fixing [#4067](https://github.com/rjsf-team/react-jsonschema-form/issues/4067)
 
 ## Dev / docs / playground
 
-- [4024](https://github.com/rjsf-team/react-jsonschema-form/issues/4024) Updated the base64 references from (`atob`
-  and `btoa`) to invoke the functions from the new `base64` object in `@rjsf/utils`.
+- [#4024](https://github.com/rjsf-team/react-jsonschema-form/issues/4024) Updated the base64 references from (`atob` and `btoa`) to invoke the functions from the new `base64` object in `@rjsf/utils`.
 - Updated the `uiSchema.md` documentation to describe how to use the new `anyOf`/`oneOf` support
 
 # 5.16.1

packages/utils/src/enumOptionsValueForIndex.ts

@@ -17,7 +17,12 @@ export default function enumOptionsValueForIndex<S extends StrictRJSFSchema = RJ
   emptyValue?: EnumOptionsType<S>['value']
 ): EnumOptionsType<S>['value'] | EnumOptionsType<S>['value'][] | undefined {
   if (Array.isArray(valueIndex)) {
-    return valueIndex.map((index) => enumOptionsValueForIndex(index, allEnumOptions)).filter((val) => val);
+    return (
+      valueIndex
+        .map((index) => enumOptionsValueForIndex(index, allEnumOptions))
+        // Since the recursive call returns `emptyValue` when we get a bad option, only filter those out
+        .filter((val) => val !== emptyValue)
+    );
   }
   // So Number(null) and Number('') both return 0, so use emptyValue for those two values
   const index = valueIndex === '' || valueIndex === null ? -1 : Number(valueIndex);

packages/utils/test/enumOptionsValueForIndex.test.ts

@@ -1,5 +1,5 @@
 import { enumOptionsValueForIndex } from '../src';
-import { ALL_OPTIONS } from './testUtils/testData';
+import { ALL_OPTIONS, FALSY_OPTIONS } from './testUtils/testData';
 
 const EMPTY_VALUE = 'empty';
 
@@ -38,4 +38,8 @@ describe('enumOptionsValueForIndex()', () => {
     const expected = [ALL_OPTIONS[2].value, ALL_OPTIONS[1].value];
     expect(enumOptionsValueForIndex([2, 1], ALL_OPTIONS)).toEqual(expected);
   });
+  it('keeps falsy values in the options', () => {
+    const expected = [FALSY_OPTIONS[1].value];
+    expect(enumOptionsValueForIndex([1], FALSY_OPTIONS)).toEqual(expected);
+  });
 });