Use deepmerge instead of merge-deep (#107)

README.md

@@ -35,6 +35,7 @@
   - `zodToOpenAPI` - generate highly accurate Swagger Schema
   - Zod DTOs can be used in any `@nestjs/swagger` decorator
 - Extended Zod schemas for NestJS (`@nest-zod/z`)
+  - **Note:** _`@nest-zod/z` is deprecated and will not be supported soon.  It is recommended to use `zod` directly.  See [MIGRATION.md](./MIGRATION.md) for more information._
   - `dateString` for dates (supports casting to `Date`)
   - `password` for passwords (more complex string rules + OpenAPI conversion)
 - Customization - change exception format easily

packages/nestjs-zod/package.json

@@ -18,6 +18,7 @@
   "types": "./dist/index.d.ts",
   "files": [
     "dist",
+    "logo.svg",
     "dto.d.ts"
   ],
   "sideEffects": false,
@@ -81,7 +82,7 @@
     }
   },
   "dependencies": {
-    "merge-deep": "^3.0.3",
+    "deepmerge": "^4.3.1",
     "@nest-zod/z": "*"
   }
 }

packages/nestjs-zod/src/openapi/zod-to-openapi.ts

@@ -1,7 +1,7 @@
 import { Type } from '@nestjs/common'
 import { SchemaObject } from '@nestjs/swagger/dist/interfaces/open-api-spec.interface'
-import mergeDeep from 'merge-deep'
 import { z } from '@nest-zod/z'
+import deepmerge from 'deepmerge'
 
 interface ExtendedSchemaObject extends SchemaObject {
   // eslint-disable-next-line @typescript-eslint/no-explicit-any
@@ -225,9 +225,15 @@ export function zodToOpenAPI(
 
   if (is(zodType, z.ZodIntersection)) {
     const { left, right } = zodType._def
-    const merged = mergeDeep(
+    const merged = deepmerge(
       zodToOpenAPI(left, visited),
-      zodToOpenAPI(right, visited)
+      zodToOpenAPI(right, visited),
+      {
+        arrayMerge: (target, source) => {
+          const mergedSet = new Set([...target, ...source]);
+          return Array.from(mergedSet);
+        }
+      }
     )
     Object.assign(object, merged)
   }