From 2ffe58a6b930e9b75eef808ad03328fd5f9d40ce Mon Sep 17 00:00:00 2001
From: Jeremy Yin <jeremyyin2012@gmail.com>
Date: Thu, 20 Jun 2019 22:19:03 +0800
Subject: [PATCH] =?UTF-8?q?=E5=88=9B=E5=BB=BA=E4=B8=80=E4=B8=AA=E7=AE=A1?=
 =?UTF-8?q?=E9=81=93pipe=EF=BC=8Cdemo?=
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---
 src/core/pipes/demo.pipe.spec.ts | 7 +++++++
 src/core/pipes/demo.pipe.ts      | 8 ++++++++
 2 files changed, 15 insertions(+)
 create mode 100644 src/core/pipes/demo.pipe.spec.ts
 create mode 100644 src/core/pipes/demo.pipe.ts

diff --git a/src/core/pipes/demo.pipe.spec.ts b/src/core/pipes/demo.pipe.spec.ts
new file mode 100644
index 0000000..e2a7102
--- /dev/null
+++ b/src/core/pipes/demo.pipe.spec.ts
@@ -0,0 +1,7 @@
+import { DemoPipe } from './demo.pipe';
+
+describe('DemoPipe', () => {
+  it('should be defined', () => {
+    expect(new DemoPipe()).toBeDefined();
+  });
+});
diff --git a/src/core/pipes/demo.pipe.ts b/src/core/pipes/demo.pipe.ts
new file mode 100644
index 0000000..214b763
--- /dev/null
+++ b/src/core/pipes/demo.pipe.ts
@@ -0,0 +1,8 @@
+import { ArgumentMetadata, Injectable, PipeTransform } from '@nestjs/common';
+
+@Injectable()
+export class DemoPipe implements PipeTransform {
+  transform(value: any, metadata: ArgumentMetadata) {
+    return value;
+  }
+}