fix: resolve refs in EnumArrayRenderer

resolve refs ind the MultiEnumControlProps mapper and tester

fixes #2192

Author: LukasBoll

packages/core/src/util/renderer.ts

@@ -78,6 +78,7 @@ import {
   arrayDefaultTranslations,
   ArrayTranslations,
 } from '../i18n/arrayTranslations';
+import { resolveSchema } from './resolvers';
 
 const isRequired = (
   schema: JsonSchema,
@@ -617,7 +618,11 @@ export const mapStateToMultiEnumControlProps = (
   ownProps: OwnPropsOfControl & OwnPropsOfEnum
 ): StatePropsOfControl & OwnPropsOfEnum => {
   const props: StatePropsOfControl = mapStateToControlProps(state, ownProps);
-  const items = props.schema.items as JsonSchema;
+  let items = props.schema.items as JsonSchema;
+  items =
+    items && items.$ref
+      ? resolveSchema(props.rootSchema, items.$ref, props.rootSchema)
+      : items;
   const options: EnumOption[] =
     ownProps.options ||
     (items?.oneOf &&

packages/core/test/util/renderer.test.ts

@@ -983,6 +983,50 @@ test('mapStateToMultiEnumControlProps - enum items', (t) => {
   ]);
 });
 
+test('mapStateToMultiEnumControlProps - enum with ref', (t) => {
+  const uischema: ControlElement = {
+    type: 'Control',
+    scope: '#/properties/colors',
+  };
+  const state = {
+    jsonforms: {
+      core: {
+        schema: {
+          definitions: {
+            colors: {
+              type: 'string',
+              enum: ['red', 'green', 'pink'],
+            },
+          },
+          type: 'object',
+          properties: {
+            colors: {
+              type: 'array',
+              items: {
+                $ref: '#/definitions/colors',
+              },
+              uniqueItems: true,
+            },
+          },
+        },
+        data: {},
+        uischema,
+        errors: [] as ErrorObject[],
+      },
+    },
+  };
+  const ownProps = {
+    uischema,
+    path: 'colors',
+  };
+  const props = mapStateToMultiEnumControlProps(state, ownProps);
+  t.deepEqual(props.options, [
+    { label: 'red', value: 'red' },
+    { label: 'green', value: 'green' },
+    { label: 'pink', value: 'pink' },
+  ]);
+});
+
 test('mapDispatchToMultiEnumProps - enum schema - addItem', (t) => {
   const uischema: ControlElement = {
     type: 'Control',

packages/material-renderers/src/complex/MaterialEnumArrayRenderer.tsx

@@ -8,6 +8,7 @@ import {
   Paths,
   RankedTester,
   rankWith,
+  resolveSchema,
   schemaMatches,
   schemaSubPathMatches,
   uiTypeIs,
@@ -99,8 +100,11 @@ export const materialEnumArrayRendererTester: RankedTester = rankWith(
           !Array.isArray(schema.items) &&
           schema.uniqueItems === true
       ),
-      schemaSubPathMatches('items', (schema) => {
-        return hasOneOfItems(schema) || hasEnumItems(schema);
+      schemaSubPathMatches('items', (schema, rootSchema) => {
+        const resolvedSchema = schema.$ref
+          ? resolveSchema(rootSchema, schema.$ref, rootSchema)
+          : schema;
+        return hasOneOfItems(resolvedSchema) || hasEnumItems(resolvedSchema);
       })
     )
   )