From 50235d6951142cf3d11cf8b80963111e4ae552ea Mon Sep 17 00:00:00 2001
From: Estevao Soares dos Santos <estevao.santos@gmail.com>
Date: Fri, 31 Mar 2017 00:25:40 +0100
Subject: [PATCH] feat(openLinksInNewWindow): add option to open all links in a
 new window

Closes #362, #337, #249, #247, #222
---
 README.md                                     |   2 ++
 dist/showdown.js                              | Bin 85343 -> 85694 bytes
 dist/showdown.js.map                          | Bin 247518 -> 248451 bytes
 dist/showdown.min.js                          | Bin 35726 -> 35930 bytes
 dist/showdown.min.js.map                      | Bin 38719 -> 38873 bytes
 src/options.js                                |   5 +++++
 src/subParsers/anchors.js                     |   4 ++++
 src/subParsers/autoLinks.js                   |   8 ++++++--
 .../features/openLinksInNewWindow/simple.html |   2 ++
 test/features/openLinksInNewWindow/simple.md  |   3 +++
 .../simplifiedAutoLink.html                   |   1 +
 .../simplifiedAutoLink.md                     |   1 +
 test/node/testsuite.features.js               |  16 +++++++++++++++-
 13 files changed, 39 insertions(+), 3 deletions(-)
 create mode 100644 test/features/openLinksInNewWindow/simple.html
 create mode 100644 test/features/openLinksInNewWindow/simple.md
 create mode 100644 test/features/openLinksInNewWindow/simplifiedAutoLink.html
 create mode 100644 test/features/openLinksInNewWindow/simplifiedAutoLink.md

diff --git a/README.md b/README.md
index 8125943..7568ce0 100644
--- a/README.md
+++ b/README.md
@@ -310,6 +310,8 @@ var defaultOptions = showdown.getDefaultOptions();
 
    NOTE: Prior to version 1.6.1, emails would always be obfuscated through dec and hex encoding.
 
+ * **openLinksInNewWindow**: (boolean) [default false] Open all links in new windows (by adding the attribute `target="_blank"` to `<a>` tags)
+
 **NOTE**: Please note that until version 1.6.0, all of these options are ***DISABLED*** by default in the cli tool.
  
 ## Flavors
diff --git a/dist/showdown.js b/dist/showdown.js
index 01aedbca536e8d2ccb07593ec822a09d52a81bdd..6b8db403cb35d8121907e28d8091007411add258 100644
GIT binary patch
delta 269
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delta 50
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diff --git a/dist/showdown.js.map b/dist/showdown.js.map
index 1e4a77c23a2620827cf66e266d638e16420712c2..5dacbac9a5b72422c971531ae4129bf960d82544 100644
GIT binary patch
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diff --git a/dist/showdown.min.js b/dist/showdown.min.js
index c40ae4dffb69945047bda1d66fdc2394717b3970..227d3ad03fd02a491e4c7f5026663c66f41d160f 100644
GIT binary patch
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diff --git a/dist/showdown.min.js.map b/dist/showdown.min.js.map
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diff --git a/src/options.js b/src/options.js
index abe254a..0dae5e4 100644
--- a/src/options.js
+++ b/src/options.js
@@ -115,6 +115,11 @@ function getDefaultOpts (simple) {
       defaultValue: true,
       description: 'Encode e-mail addresses through the use of Character Entities, transforming ASCII e-mail addresses into its equivalent decimal entities',
       type: 'boolean'
+    },
+    openLinksInNewWindow: {
+      defaultValue: false,
+      description: 'Open all links in new windows',
+      type: 'boolean'
     }
   };
   if (simple === false) {
diff --git a/src/subParsers/anchors.js b/src/subParsers/anchors.js
index 341dd87..d631e89 100644
--- a/src/subParsers/anchors.js
+++ b/src/subParsers/anchors.js
@@ -50,6 +50,10 @@ showdown.subParser('anchors', function (text, options, globals) {
       result += ' title="' + title + '"';
     }
 
+    if (options.openLinksInNewWindow) {
+      result += ' target="_blank"';
+    }
+
     result += '>' + linkText + '</a>';
 
     return result;
diff --git a/src/subParsers/autoLinks.js b/src/subParsers/autoLinks.js
index 3fbabd7..354b9be 100644
--- a/src/subParsers/autoLinks.js
+++ b/src/subParsers/autoLinks.js
@@ -12,14 +12,18 @@ var simpleURLRegex  = /\b(((https?|ftp|dict):\/\/|www\.)[^'">\s]+\.[^'">\s]+)()(
 
       return function (wm, link, m2, m3, trailingPunctuation) {
         var lnkTxt = link,
-            append = '';
+            append = '',
+            target = '';
         if (/^www\./i.test(link)) {
           link = link.replace(/^www\./i, 'http://www.');
         }
         if (options.excludeTrailingPunctuationFromURLs && trailingPunctuation) {
           append = trailingPunctuation;
         }
-        return '<a href="' + link + '">' + lnkTxt + '</a>' + append;
+        if (options.openLinksInNewWindow) {
+          target = ' target="_blank"';
+        }
+        return '<a href="' + link + '"' + target + '>' + lnkTxt + '</a>' + append;
       };
     },
 
diff --git a/test/features/openLinksInNewWindow/simple.html b/test/features/openLinksInNewWindow/simple.html
new file mode 100644
index 0000000..c62a155
--- /dev/null
+++ b/test/features/openLinksInNewWindow/simple.html
@@ -0,0 +1,2 @@
+<p><a href="www.google.com" target="_blank">foo</a></p>
+<p>a link <a href="http://www.google.com" target="_blank">http://www.google.com</a></p>
diff --git a/test/features/openLinksInNewWindow/simple.md b/test/features/openLinksInNewWindow/simple.md
new file mode 100644
index 0000000..28e9e69
--- /dev/null
+++ b/test/features/openLinksInNewWindow/simple.md
@@ -0,0 +1,3 @@
+[foo](www.google.com)
+
+a link <http://www.google.com>
diff --git a/test/features/openLinksInNewWindow/simplifiedAutoLink.html b/test/features/openLinksInNewWindow/simplifiedAutoLink.html
new file mode 100644
index 0000000..c23bf68
--- /dev/null
+++ b/test/features/openLinksInNewWindow/simplifiedAutoLink.html
@@ -0,0 +1 @@
+<p>this is <a href="http://www.google.com" target="_blank">http://www.google.com</a> autolink</p>
diff --git a/test/features/openLinksInNewWindow/simplifiedAutoLink.md b/test/features/openLinksInNewWindow/simplifiedAutoLink.md
new file mode 100644
index 0000000..d23d672
--- /dev/null
+++ b/test/features/openLinksInNewWindow/simplifiedAutoLink.md
@@ -0,0 +1 @@
+this is http://www.google.com autolink
diff --git a/test/node/testsuite.features.js b/test/node/testsuite.features.js
index 0982447..21c54c9 100644
--- a/test/node/testsuite.features.js
+++ b/test/node/testsuite.features.js
@@ -6,7 +6,8 @@ var bootstrap = require('../bootstrap.js'),
     assertion = bootstrap.assertion,
     testsuite = bootstrap.getTestSuite('test/features/'),
     tableSuite = bootstrap.getTestSuite('test/features/tables/'),
-    simplifiedAutoLinkSuite = bootstrap.getTestSuite('test/features/simplifiedAutoLink/');
+    simplifiedAutoLinkSuite = bootstrap.getTestSuite('test/features/simplifiedAutoLink/'),
+    openLinksInNewWindowSuite = bootstrap.getTestSuite('test/features/openLinksInNewWindow/');
 
 describe('makeHtml() features testsuite', function () {
   'use strict';
@@ -111,4 +112,17 @@ describe('makeHtml() features testsuite', function () {
     }
   });
 
+  // test openLinksInNewWindow support
+  describe('openLinksInNewWindow support in', function () {
+    var converter,
+        suite = openLinksInNewWindowSuite;
+    for (var i = 0; i < suite.length; ++i) {
+      if (suite[i].name === 'simplifiedAutoLink') {
+        converter = new showdown.Converter({openLinksInNewWindow: true, simplifiedAutoLink: true});
+      } else {
+        converter = new showdown.Converter({openLinksInNewWindow: true});
+      }
+      it(suite[i].name.replace(/-/g, ' '), assertion(suite[i], converter));
+    }
+  });
 });