From 1cc30ee19a6874ba763360e28d5984fd551ab047 Mon Sep 17 00:00:00 2001
From: Chen <forest93@163.com>
Date: Tue, 28 Feb 2017 04:22:06 +0800
Subject: [PATCH] fix(absoluteTo): return original URI for URI with scheme

closes #328 #329
---
 src/URI.js   |  5 ++++-
 test/test.js | 10 ++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/src/URI.js b/src/URI.js
index 0f023981..d8492ecc 100644
--- a/src/URI.js
+++ b/src/URI.js
@@ -2077,7 +2077,10 @@
       base = new URI(base);
     }
 
-    if (!resolved._parts.protocol) {
+    if (resolved._parts.protocol) {
+      // Directly returns even if this._parts.hostname is empty.
+      return resolved;
+    } else {
       resolved._parts.protocol = base._parts.protocol;
     }
 
diff --git a/test/test.js b/test/test.js
index 8745d608..dc07acf0 100644
--- a/test/test.js
+++ b/test/test.js
@@ -1342,6 +1342,16 @@
         url: 'http://github.com//the_relative_url',
         base: 'http://example.com/foo/bar',
         result: 'http://github.com//the_relative_url'
+      }, {
+        name: 'absolute passthru - file:/// - urljoin (#328)',
+        url: 'file:///C:/skyclan/snipkit',
+        base: 'http://example.com/foo/bar',
+        result: 'file:///C:/skyclan/snipkit'
+      }, {
+        name: 'absolute passthru - generic empty-hostname - urljoin (#328)',
+        url: 'http:///foo',
+        base: 'http://example.com/foo/bar',
+        result: 'http:///foo'
       }, {
         name: 'file paths - urljoin',
         url: 'anotherFile',