chore(website): fix links to github files

Closes #2545

Author: sjelin

Diff for: website/gulpfile.js

@@ -97,21 +97,27 @@ gulp.task('markdown', function() {
   gulp.src(['../docs/*.md', '!../docs/api.md'])
       // Parse markdown.
       .pipe(markdown())
-      // Fix in-page hash paths.
-      .pipe(replace(/"#([^ ]*?)"/g, '#{{path}}#$1'))
-      // Fix md urls.
-      .pipe(replace(/"(?:\/docs\/)?([\w\-]+)\.md/g, '"#/$1'))
-      // Fix png urls.
-      .pipe(replace(/"(?:\/docs\/)?([\w\-]+\.png)"/g, '"img/$1"'))
-      // Fix urls to reference js & feature files.
+      // Fix urls which reference files only on github.
       .pipe(replace(
-          /"(?:\/([\-\.\w\/]+)\/)?(\w+\.(?:js|feature)(?:#\w*)?)"/g,
+          /"(?:\/([\-\.\w\/]+)\/)?(\w+\.\w+(?:#.*)?)"/g,
           function(match, path, file) {
+            var ext = file.match(/\w+\.(\w+)(?:#.*)?/)[1];
+            // Don't process .md and .png files which are on the website
+            if (((ext == 'md') || (ext == 'png')) &&
+                !(path && ((path.substr(0,2) == '..') || (path[0] == '/')))) {
+              return match;
+            }
             path = path || 'docs';
             return '"https://github.com/angular/protractor/blob/master/' +
                 path + '/' + file + '"';
           }
       ))
+      // Fix in-page hash paths.
+      .pipe(replace(/"#([^ ]*?)"/g, '#{{path}}#$1'))
+      // Fix md urls.
+      .pipe(replace(/"(?:\/docs\/)?([\w\-]+)\.md/g, '"#/$1'))
+      // Fix png urls.
+      .pipe(replace(/"(?:\/docs\/)?([\w\-]+\.png)"/g, '"img/$1"'))
       // Add anchor links
       .pipe(replace(/<h2 id="([^"]*)">(.*?)<\/h2>/g, '<h2 id="$1" class="' +
           'anchored"><div><a href="#{{path}}#$1">&#x1f517;</a>$2</div></h2>'))