From 5f790e4b379abfd139e9d90d024c5d726b46af8b Mon Sep 17 00:00:00 2001
From: Peter Cai <peter@typeblog.net>
Date: Wed, 15 Apr 2020 20:58:54 +0800
Subject: [PATCH] blog: make links open in new tab by default

---
 src/blog.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/blog.rs b/src/blog.rs
index ab66bd9..7ae4264 100644
--- a/src/blog.rs
+++ b/src/blog.rs
@@ -256,6 +256,10 @@ impl PostContentCache {
         let regex_code = RegExp::new("<pre><code class=\"language-([^\"]*)\">", "ig");
         let js_html = js_html.replace_by_pattern(&regex_code, "<pre><code class=\"hljs\">");
 
+        // Transform all non-self-refernece links (does not start with "#") to target="_blank"
+        let regex_links = RegExp::new("<a href=\"((?!#)[^\"]*)\">", "ig");
+        let js_html = js_html.replace_by_pattern(&regex_links, "<a target=\"_blank\" href=\"$1\">");
+
         js_html.into()
     }