Feature removed mongoose dependancy for typeorm based projects

Author: Mishhub

README.md

@@ -33,6 +33,7 @@ A powerful and flexible NestJS module for integrating MinIO object storage into
 - 🎯 TypeScript support
 - 📝 Swagger documentation support
 - 🔄 RxJS integration
+- 🧩 Optional `@nestjs/mongoose` integration (only required if you use `@FileSchemaField`)
 - 🤖 Automatic presigned URL detection even for raw QueryBuilder results
 
 ## Installation
@@ -219,6 +220,7 @@ These decorators provide:
 - 🔄 Seamless MongoDB integration
 - 🤖 Automatic presigned URL generation even for raw QueryBuilder objects (bucket names are auto-detected from your MinIO config)
 - 🎯 Type safety with TypeScript
+- 🧩 Optional Mongoose dependency (install `@nestjs/mongoose` only if you plan to use `@FileSchemaField`)
 
 ## Configuration
 

package-lock.json

@@ -1,6 +1,6 @@
 {
   "name": "nestjs-minio-backend",
-  "version": "1.0.14",
+  "version": "1.0.16",
   "description": "NestJS module for MinIO integration",
   "author": "Mishhub",
   "license": "MIT",
@@ -64,11 +64,16 @@
     "@nestjs/core": "^10.0.0 || ^11.0.0",
     "@nestjs/mongoose": "^10.0.0 || ^11.0.0",
     "@nestjs/platform-express": "^10.0.0 || ^11.0.0",
-    "@nestjs/swagger": "^8.0.0",
+    "@nestjs/swagger": "^8.0.0 || ^11.0.0",
     "class-validator": "^0.14.1",
     "minio": "^8.0.5",
     "rxjs": "^7.8.1"
   },
+  "peerDependenciesMeta": {
+    "@nestjs/mongoose": {
+      "optional": true
+    }
+  },
   "devDependencies": {
     "@types/jest": "^29.5.14",
     "@types/node": "^22.14.0",

package.json

@@ -1,8 +1,46 @@
 import { applyDecorators } from '@nestjs/common';
-import { Prop, PropOptions } from '@nestjs/mongoose';
 import { FileColumn, FileColumnOptions } from './file-column.decorator';
 
-export type FileSchemaFieldOptions = PropOptions & FileColumnOptions;
+export type FileSchemaFieldOptions = FileColumnOptions & {
+  // Allow any additional Mongoose-specific options without depending on @nestjs/mongoose types
+  // eslint-disable-next-line @typescript-eslint/no-explicit-any
+  [key: string]: any;
+};
+
+type PropDecoratorFn = (options?: unknown) => PropertyDecorator;
+
+let cachedPropDecorator: PropDecoratorFn | null | undefined;
+const optionalRequire: ((moduleId: string) => unknown) | null = ((): ((
+  moduleId: string,
+) => unknown) | null => {
+  try {
+    return (Function(
+      'return typeof require !== "undefined" ? require : null',
+    ) as () => ((moduleId: string) => unknown) | null)();
+  } catch {
+    return null;
+  }
+})();
+
+function getMongoosePropDecorator(): PropDecoratorFn | null {
+  if (cachedPropDecorator !== undefined) {
+    return cachedPropDecorator;
+  }
+
+  try {
+    if (!optionalRequire) {
+      cachedPropDecorator = null;
+      return cachedPropDecorator;
+    }
+    const mongooseModule = optionalRequire('@nestjs/mongoose') as { Prop?: PropDecoratorFn };
+    const prop = mongooseModule?.Prop;
+    cachedPropDecorator = typeof prop === 'function' ? prop : null;
+  } catch {
+    cachedPropDecorator = null;
+  }
+
+  return cachedPropDecorator;
+}
 
 export function FileSchemaField(options: FileSchemaFieldOptions = {}): PropertyDecorator {
   const fileOptions = {
@@ -11,5 +49,11 @@ export function FileSchemaField(options: FileSchemaFieldOptions = {}): PropertyD
     bucketName: options.bucketName || 'media-files-bucket',
   };
 
-  return applyDecorators(FileColumn(options), Prop(fileOptions));
+  const propDecorator = getMongoosePropDecorator();
+
+  if (!propDecorator) {
+    return FileColumn(options);
+  }
+
+  return applyDecorators(FileColumn(options), propDecorator(fileOptions));
 }