Fix #628: preserve pure anchor links and hash in relative links

1 files changed, 12 insertions, 1 deletions

diff --git a/lib/utils/links.js b/lib/utils/links.js
index 9a95824..aa7c241 100644
--- a/lib/utils/links.js
+++ b/lib/utils/links.js
@@ -15,12 +15,22 @@ var isRelative = function(href) {
     try {
         var parsed = url.parse(href);
 
-        return !!(!parsed.protocol && parsed.path);// && parsed.path[0] != '/';
+        return !!(!parsed.protocol && parsed.path);
     } catch(err) {}
 
     return true;
 };
 
+// Return true if the link is an achor
+var isAnchor = function(href) {
+    try {
+        var parsed = url.parse(href);
+        return !!(!parsed.protocol && !parsed.path && parsed.hash);
+    } catch(err) {}
+
+    return false;
+};
+
 // Relative to absolute path
 // dir: directory parent of the file currently in rendering process
 // outdir: directory parent from the html output
@@ -61,6 +71,7 @@ var changeExtension = function(filename, newext) {
 };
 
 module.exports = {
+    isAnchor: isAnchor,
     isRelative: isRelative,
     isExternal: isExternal,
     toAbsolute: toAbsolute,