From 9dc3b0838973e9a7449abbfe22145cd5e8fa513a Mon Sep 17 00:00:00 2001
From: Li Yin <liyin@live.com>
Date: Wed, 3 Jan 2018 05:08:44 +0800
Subject: [PATCH] [ref-struct]: add opt parameter to allow create packed struct
 (#21932)

* [ref-struct]: add opt parameter to allow create packed struct

* Set TypeScript version to 2.2 for package depending on ref-struct
---
 types/ffi/index.d.ts                 |  1 +
 types/ref-struct/index.d.ts          |  5 +++--
 types/ref-struct/ref-struct-tests.ts | 12 ++++++++++++
 types/ref-struct/tsconfig.json       |  3 ++-
 4 files changed, 18 insertions(+), 3 deletions(-)
 create mode 100644 types/ref-struct/ref-struct-tests.ts

diff --git a/types/ffi/index.d.ts b/types/ffi/index.d.ts
index 19107f373e..e3fc35f913 100644
--- a/types/ffi/index.d.ts
+++ b/types/ffi/index.d.ts
@@ -2,6 +2,7 @@
 // Project: https://github.com/rbranson/node-ffi
 // Definitions by: Paul Loyd <https://github.com/loyd>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.2
 
 /// <reference types="node" />
 
diff --git a/types/ref-struct/index.d.ts b/types/ref-struct/index.d.ts
index e0b47b288e..b45012d53e 100644
--- a/types/ref-struct/index.d.ts
+++ b/types/ref-struct/index.d.ts
@@ -2,6 +2,7 @@
 // Project: https://github.com/TooTallNate/ref-struct
 // Definitions by: Paul Loyd <https://github.com/loyd>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
+// TypeScript Version: 2.2
 
 import ref = require('ref');
 
@@ -50,9 +51,9 @@ interface StructType extends ref.Type {
 
 /** The struct type meta-constructor. */
 declare var StructType: {
-    new (fields?: {}): StructType;
+    new (fields?: object, opt?: object): StructType;
     new (fields?: any[]): StructType;
-    (fields?: {}): StructType;
+    (fields?: object, opt?: object): StructType;
     (fields?: any[]): StructType;
 }
 
diff --git a/types/ref-struct/ref-struct-tests.ts b/types/ref-struct/ref-struct-tests.ts
new file mode 100644
index 0000000000..194c9c7997
--- /dev/null
+++ b/types/ref-struct/ref-struct-tests.ts
@@ -0,0 +1,12 @@
+import ref = require("ref");
+import StructType = require("ref-struct");
+
+const normalStruct = StructType({
+  t: ref.types.uint8,
+  v: ref.types.long,
+});
+
+const packedStruct = StructType({
+  t: ref.types.uint8,
+  v: ref.types.long,
+}, {packed: true});
diff --git a/types/ref-struct/tsconfig.json b/types/ref-struct/tsconfig.json
index 02963e3afd..5ebe7efa5f 100644
--- a/types/ref-struct/tsconfig.json
+++ b/types/ref-struct/tsconfig.json
@@ -17,6 +17,7 @@
         "forceConsistentCasingInFileNames": true
     },
     "files": [
-        "index.d.ts"
+        "index.d.ts",
+        "ref-struct-tests.ts"
     ]
 }
\ No newline at end of file