fix: MultiSchema getting incorrect id in arrays

Author: qingqi-spotify

packages/core/src/components/fields/SchemaField.js

@@ -243,7 +243,7 @@ function SchemaFieldRender(props) {
   let idSchema = props.idSchema;
   const schema = retrieveSchema(props.schema, rootSchema, formData);
   idSchema = mergeObjects(
-    toIdSchema(schema, null, rootSchema, formData, idPrefix),
+    toIdSchema(schema, idSchema.$id, rootSchema, formData, idPrefix),
     idSchema
   );
   const FieldComponent = getFieldComponent(schema, uiSchema, idSchema, fields);

packages/core/test/anyOf_test.js

@@ -810,7 +810,9 @@ describe("anyOf", () => {
 
       expect(node.querySelectorAll("select")).to.have.length.of(1);
 
-      expect(node.querySelectorAll("input#root_foo")).to.have.length.of(1);
+      expect(node.querySelectorAll("input#root_items_0_foo")).to.have.length.of(
+        1
+      );
     });
 
     it("should not change the selected option when switching order of items for anyOf inside array items", () => {
@@ -995,8 +997,12 @@ describe("anyOf", () => {
         target: { value: $select.options[1].value },
       });
 
-      expect(node.querySelectorAll("input#root_foo")).to.have.length.of(1);
-      expect(node.querySelectorAll("input#root_bar")).to.have.length.of(1);
+      expect(node.querySelectorAll("input#root_items_0_foo")).to.have.length.of(
+        1
+      );
+      expect(node.querySelectorAll("input#root_items_0_bar")).to.have.length.of(
+        1
+      );
     });
 
     it("should correctly infer the selected option based on value", () => {

packages/core/test/oneOf_test.js

@@ -494,7 +494,7 @@ describe("oneOf", () => {
 
     expect($select.value).eql("1");
 
-    Simulate.change(node.querySelector("input#root_bar"), {
+    Simulate.change(node.querySelector("input#root_items_bar"), {
       target: { value: "Lorem ipsum dolor sit amet" },
     });
 
@@ -584,8 +584,12 @@ describe("oneOf", () => {
         target: { value: $select.options[1].value },
       });
 
-      expect(node.querySelectorAll("input#root_foo")).to.have.length.of(1);
-      expect(node.querySelectorAll("input#root_bar")).to.have.length.of(1);
+      expect(node.querySelectorAll("input#root_items_0_foo")).to.have.length.of(
+        1
+      );
+      expect(node.querySelectorAll("input#root_items_0_bar")).to.have.length.of(
+        1
+      );
     });
   });