From adc251ca5a8be2ebd5cb31d1b2dc1617acd6d0c6 Mon Sep 17 00:00:00 2001
From: Tim Schaub <tim.schaub@gmail.com>
Date: Tue, 21 Feb 2017 17:30:58 -0700
Subject: [PATCH] Accept array in Headers constructor

---
 fetch.js     |  5 ++++-
 test/test.js | 10 ++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/fetch.js b/fetch.js
index dfb74be..a5b8548 100644
--- a/fetch.js
+++ b/fetch.js
@@ -84,7 +84,10 @@
       headers.forEach(function(value, name) {
         this.append(name, value)
       }, this)
-
+    } else if (Array.isArray(headers)) {
+      headers.forEach(function(header) {
+        this.append(header[0], header[1]);
+      }, this);
     } else if (headers) {
       Object.getOwnPropertyNames(headers).forEach(function(name) {
         this.append(name, headers[name])
diff --git a/test/test.js b/test/test.js
index 280f0fe..ee315cf 100644
--- a/test/test.js
+++ b/test/test.js
@@ -170,6 +170,16 @@ suite('Headers', function() {
     assert.equal(headers.get('Accept'), 'application/json,text/plain')
     assert.equal(headers.get('Content-type'), 'text/html')
   })
+  test('constructor works with arrays', function() {
+    var array = [
+      ['Content-Type', 'text/xml'],
+      ['Breaking-Bad', '<3']
+    ];
+    var headers = new Headers(array)
+
+    assert.equal(headers.get('Content-Type'), 'text/xml')
+    assert.equal(headers.get('Breaking-Bad'), '<3')
+  })
   test('headers are case insensitive', function() {
     var headers = new Headers({'Accept': 'application/json'})
     assert.equal(headers.get('ACCEPT'), 'application/json')
-- 
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