add test case for #613

Author: bcherny

test/__snapshots__/test/test.ts.md

@@ -448260,6 +448260,26 @@ Generated by [AVA](https://avajs.dev).
     }␊
     `
 
+## ref.7.js
+
+> Expected output to match snapshot for e2e test: ref.7.js
+
+    `/* eslint-disable */␊
+    /**␊
+     * This file was automatically generated by json-schema-to-typescript.␊
+     * DO NOT MODIFY IT BY HAND. Instead, modify the source JSONSchema file,␊
+     * and run json-schema-to-typescript to regenerate this file.␊
+     */␊
+    ␊
+    export interface Sample {␊
+      neighborhood?: Person[];␊
+    }␊
+    export interface Person {␊
+      age?: number;␊
+      [k: string]: unknown;␊
+    }␊
+    `
+
 ## refWithCycle.1.js
 
 > Expected output to match snapshot for e2e test: refWithCycle.1.js

test/__snapshots__/test/test.ts.snap

@@ -0,0 +1,37 @@
+// @see https://github.com/bcherny/json-schema-to-typescript/issues/613
+export const input = {
+  $schema: 'https://json-schema.org/draft/2020-12/schema',
+  title: 'Sample',
+  type: 'object',
+  additionalProperties: false,
+  properties: {
+    neighborhood: {
+      type: 'array',
+      items: {
+        $ref: '#/$defs/person',
+      },
+    },
+  },
+  $defs: {
+    baseType: {
+      title: 'BaseType',
+      type: 'object',
+      properties: {
+        name: {
+          type: 'string',
+        },
+      },
+    },
+    person: {
+      title: 'Person',
+      $ref: '#/$defs/baseType',
+      type: 'object',
+      unevaluatedProperties: false,
+      properties: {
+        age: {
+          type: 'number',
+        },
+      },
+    },
+  },
+}