From 47e73a2cb1a8587479df457d7b25dd890a68d49e Mon Sep 17 00:00:00 2001
From: Wooseop Kim <wooseop.kim.dev@gmail.com>
Date: Sun, 19 Aug 2018 01:44:01 +0900
Subject: [PATCH] Fix #28100

---
 types/sharp/index.d.ts     |  1 +
 types/sharp/sharp-tests.ts | 11 +++++++++++
 2 files changed, 12 insertions(+)

diff --git a/types/sharp/index.d.ts b/types/sharp/index.d.ts
index c889f1f4fa..97b9ea6f86 100644
--- a/types/sharp/index.d.ts
+++ b/types/sharp/index.d.ts
@@ -15,6 +15,7 @@ import { Duplex } from "stream";
  * @throws {Error} Invalid parameters
  * @returns A sharp instance that can be used to chain operations
  */
+declare function sharp(options?: sharp.SharpOptions): sharp.SharpInstance;
 declare function sharp(input?: string | Buffer, options?: sharp.SharpOptions): sharp.SharpInstance;
 declare namespace sharp {
     const gravity: GravityEnum;
diff --git a/types/sharp/sharp-tests.ts b/types/sharp/sharp-tests.ts
index 2cef4e42a4..f3c2c8a7ce 100644
--- a/types/sharp/sharp-tests.ts
+++ b/types/sharp/sharp-tests.ts
@@ -47,6 +47,17 @@ sharp('input.jpg')
         // containing a scaled and cropped version of input.jpg
     });
 
+sharp({
+    create: {
+        width: 300,
+        height: 200,
+        channels: 4,
+        background: { r: 255, g: 0, b: 0, alpha: 128 }
+    }
+})
+.png()
+.toBuffer();
+
 let transformer = sharp()
     .resize(300)
     .on('info', (info: sharp.OutputInfo) => {