fix(ajv): undefined props validate structure error

ajv/src/__tests__/__fixtures__/data.ts

@@ -60,6 +60,17 @@ export const invalidData = {
   },
 };
 
+export const invalidDataWithUndefined = {
+  username: 'jsun969',
+  password: undefined,
+  deepObject: {
+    twoLayersDeep: {
+      name: 'deeper',
+    },
+    data: undefined,
+  }
+}
+
 export const fields: Record<InternalFieldName, Field['_f']> = {
   username: {
     ref: { name: 'username' },

ajv/src/__tests__/__snapshots__/ajv.ts.snap

@@ -54,6 +54,28 @@ Object {
 }
 `;
 
+exports[`ajvResolver should return all the error messages from ajvResolver when some property is undefined and result will keep strcut 1`] = `
+Object {
+  "errors": Object {
+    "deepObject": Object {
+      "data": Object {
+        "message": "must have required property 'data'",
+        "ref": undefined,
+        "type": "required",
+      },
+    },
+    "password": Object {
+      "message": "must have required property 'password'",
+      "ref": Object {
+        "name": "password",
+      },
+      "type": "required",
+    },
+  },
+  "values": Object {},
+}
+`;
+
 exports[`ajvResolver should return all the error messages from ajvResolver when validation fails and validateAllFieldCriteria set to true 1`] = `
 Object {
   "errors": Object {

ajv/src/__tests__/ajv.ts

@@ -1,5 +1,5 @@
 import { ajvResolver } from '..';
-import { fields, invalidData, schema, validData } from './__fixtures__/data';
+import { fields, invalidData, invalidDataWithUndefined, schema, validData } from './__fixtures__/data';
 
 const shouldUseNativeValidation = false;
 
@@ -81,4 +81,17 @@ describe('ajvResolver', () => {
       }),
     ).toMatchSnapshot();
   });
+
+  it('should return all the error messages from ajvResolver when some property is undefined and result will keep the input data structure', async () => {
+    expect(
+      await ajvResolver(schema, undefined, { mode: 'sync' })(
+        invalidDataWithUndefined,
+        undefined,
+        {
+          fields,
+          shouldUseNativeValidation,
+        },
+      ),
+    ).toMatchSnapshot();
+  });
 });

ajv/src/ajv.ts

@@ -11,7 +11,7 @@ const parseErrorSchema = (
   // Ajv will return empty instancePath when require error
   ajvErrors.forEach((error) => {
     if (error.keyword === 'required') {
-      error.instancePath = '/' + error.params.missingProperty;
+      error.instancePath += '/' + error.params.missingProperty;
     }
   });