From 7821062db15192e7a685272e937f888881750851 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=B0=8F=E6=9F=9A=E5=AD=90?=
 <76462613+uuznn@users.noreply.github.com>
Date: Wed, 17 Feb 2021 11:56:05 +0800
Subject: [PATCH] Add exturl icon option (#192)

---
 _config.yml             | 2 ++
 scripts/filters/post.js | 6 ++++--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/_config.yml b/_config.yml
index d804b75..cd65f3b 100644
--- a/_config.yml
+++ b/_config.yml
@@ -461,6 +461,8 @@ index_with_subtitle: false
 
 # Automatically add external URL with Base64 encrypt & decrypt.
 exturl: false
+# If true, an icon will be attached to each external URL
+exturl_icon: true
 
 # Google Webmaster tools verification.
 # See: https://developers.google.com/search
diff --git a/scripts/filters/post.js b/scripts/filters/post.js
index d40cef2..87e7026 100644
--- a/scripts/filters/post.js
+++ b/scripts/filters/post.js
@@ -13,6 +13,8 @@ hexo.extend.filter.register('after_post_render', data => {
   }
   if (theme.exturl) {
     const siteHost = parse(config.url).hostname || config.url;
+    // External URL icon
+    const exturlIcon = theme.exturl_icon ? '<i class="fa fa-external-link-alt"></i>' : '';
     data.content = data.content.replace(/<a[^>]* href="([^"]+)"[^>]*>([^<]+)<\/a>/img, (match, href, html) => {
       // Exit if the href attribute doesn't exists.
       if (!href) return match;
@@ -23,9 +25,9 @@ hexo.extend.filter.register('after_post_render', data => {
 
       // Return encrypted URL with title.
       const title = match.match(/title="([^"]+)"/);
-      if (title) return `<span class="exturl" data-url="${Buffer.from(href).toString('base64')}" title="${title[1]}">${html}<i class="fa fa-external-link-alt"></i></span>`;
+      if (title) return `<span class="exturl" data-url="${Buffer.from(href).toString('base64')}" title="${title[1]}">${html}${exturlIcon}</span>`;
 
-      return `<span class="exturl" data-url="${Buffer.from(href).toString('base64')}">${html}<i class="fa fa-external-link-alt"></i></span>`;
+      return `<span class="exturl" data-url="${Buffer.from(href).toString('base64')}">${html}${exturlIcon}</span>`;
     });
   }