From 28702421bfa27bebd12416be1c2c609e65054854 Mon Sep 17 00:00:00 2001
From: Sindre Sorhus <sindresorhus@gmail.com>
Date: Mon, 11 Dec 2017 21:38:53 +0100
Subject: [PATCH] Add missing `dataView` method

Fixes #37
---
 source/index.ts      | 2 ++
 source/tests/test.ts | 8 +++++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/source/index.ts b/source/index.ts
index 56d7ba2..8d82479 100644
--- a/source/index.ts
+++ b/source/index.ts
@@ -29,6 +29,7 @@ export const enum TypeName {
 	Float64Array = 'Float64Array',
 	ArrayBuffer = 'ArrayBuffer',
 	SharedArrayBuffer = 'SharedArrayBuffer',
+	DataView = 'DataView',
 	Promise = 'Promise'
 }
 
@@ -161,6 +162,7 @@ namespace is { // tslint:disable-line:no-namespace
 
 	export const arrayBuffer = isObjectOfType(TypeName.ArrayBuffer);
 	export const sharedArrayBuffer = isObjectOfType(TypeName.SharedArrayBuffer);
+	export const dataView = isObjectOfType(TypeName.DataView);
 
 	// TODO: Remove `object` checks when targeting ES2015 or higher
 	// See `Notes`: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/getPrototypeOf
diff --git a/source/tests/test.ts b/source/tests/test.ts
index 130594b..cb1008c 100644
--- a/source/tests/test.ts
+++ b/source/tests/test.ts
@@ -245,6 +245,12 @@ const types = new Map<string, Test>([
 			new ArrayBuffer(10)
 		]
 	}],
+	['dataView', {
+		is: m.dataView,
+		fixtures: [
+			new DataView(new ArrayBuffer(10))
+		]
+	}],
 	['nan', {
 		is: m.nan,
 		fixtures: [
@@ -504,7 +510,7 @@ test('is.arrayBuffer', t => {
 });
 
 test('is.dataView', t => {
-	testType(t, 'arrayBuffer');
+	testType(t, 'dataView');
 });
 
 test('is.directInstanceOf', t => {